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
 509 static struct proc_dir_entry *rtl8192_proc;
 510
 511 static int proc_get_stats_ap(struct seq_file *m, void *v)
 512 {
 513         struct net_device *dev = m->private;
 514         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 515         struct ieee80211_device *ieee = priv->ieee80211;
 516         struct ieee80211_network *target;
 517
 518         list_for_each_entry(target, &ieee->network_list, list) {
 519                 const char *wpa = "non_WPA";
 520
 521                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 522                         wpa = "WPA";
 523
 524                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 525         }
 526
 527         return 0;
 528 }
 529
 530 static int proc_get_registers(struct seq_file *m, void *v)
 531 {
 532         struct net_device *dev = m->private;
 533         int i, n, max = 0xff;
 534         u8 byte_rd;
 535
 536         seq_puts(m, "\n####################page 0##################\n ");
 537
 538         for (n = 0; n <= max;) {
 539                 seq_printf(m, "\nD:  %2x > ", n);
 540
 541                 for (i = 0; i < 16 && n <= max; i++, n++) {
 542                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 543                         seq_printf(m, "%2x ", byte_rd);
 544                 }
 545         }
 546
 547         seq_puts(m, "\n####################page 1##################\n ");
 548         for (n = 0; n <= max;) {
 549                 seq_printf(m, "\nD:  %2x > ", n);
 550
 551                 for (i = 0; i < 16 && n <= max; i++, n++) {
 552                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 553                         seq_printf(m, "%2x ", byte_rd);
 554                 }
 555         }
 556
 557         seq_puts(m, "\n####################page 3##################\n ");
 558         for (n = 0; n <= max;) {
 559                 seq_printf(m, "\nD:  %2x > ", n);
 560
 561                 for (i = 0; i < 16 && n <= max; i++, n++) {
 562                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 563                         seq_printf(m, "%2x ", byte_rd);
 564                 }
 565         }
 566
 567         seq_putc(m, '\n');
 568         return 0;
 569 }
 570
 571 static int proc_get_stats_tx(struct seq_file *m, void *v)
 572 {
 573         struct net_device *dev = m->private;
 574         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 575
 576         seq_printf(m,
 577                    "TX VI priority ok int: %lu\n"
 578                    "TX VI priority error int: %lu\n"
 579                    "TX VO priority ok int: %lu\n"
 580                    "TX VO priority error int: %lu\n"
 581                    "TX BE priority ok int: %lu\n"
 582                    "TX BE priority error int: %lu\n"
 583                    "TX BK priority ok int: %lu\n"
 584                    "TX BK priority error int: %lu\n"
 585                    "TX MANAGE priority ok int: %lu\n"
 586                    "TX MANAGE priority error int: %lu\n"
 587                    "TX BEACON priority ok int: %lu\n"
 588                    "TX BEACON priority error int: %lu\n"
 589                    "TX queue resume: %lu\n"
 590                    "TX queue stopped?: %d\n"
 591                    "TX fifo overflow: %lu\n"
 592                    "TX VI queue: %d\n"
 593                    "TX VO queue: %d\n"
 594                    "TX BE queue: %d\n"
 595                    "TX BK queue: %d\n"
 596                    "TX VI dropped: %lu\n"
 597                    "TX VO dropped: %lu\n"
 598                    "TX BE dropped: %lu\n"
 599                    "TX BK dropped: %lu\n"
 600                    "TX total data packets %lu\n",
 601                    priv->stats.txviokint,
 602                    priv->stats.txvierr,
 603                    priv->stats.txvookint,
 604                    priv->stats.txvoerr,
 605                    priv->stats.txbeokint,
 606                    priv->stats.txbeerr,
 607                    priv->stats.txbkokint,
 608                    priv->stats.txbkerr,
 609                    priv->stats.txmanageokint,
 610                    priv->stats.txmanageerr,
 611                    priv->stats.txbeaconokint,
 612                    priv->stats.txbeaconerr,
 613                    priv->stats.txresumed,
 614                    netif_queue_stopped(dev),
 615                    priv->stats.txoverflow,
 616                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 617                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 618                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 619                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 620                    priv->stats.txvidrop,
 621                    priv->stats.txvodrop,
 622                    priv->stats.txbedrop,
 623                    priv->stats.txbkdrop,
 624                    priv->stats.txdatapkt
 625                 );
 626
 627         return 0;
 628 }
 629
 630 static int proc_get_stats_rx(struct seq_file *m, void *v)
 631 {
 632         struct net_device *dev = m->private;
 633         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 634
 635         seq_printf(m,
 636                    "RX packets: %lu\n"
 637                    "RX urb status error: %lu\n"
 638                    "RX invalid urb error: %lu\n",
 639                    priv->stats.rxoktotal,
 640                    priv->stats.rxstaterr,
 641                    priv->stats.rxurberr);
 642
 643         return 0;
 644 }
 645
 646 static void rtl8192_proc_module_init(void)
 647 {
 648         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 649         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 650 }
 651
 652 /*
 653  * seq_file wrappers for procfile show routines.
 654  */
 655 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 656 {
 657         struct net_device *dev = proc_get_parent_data(inode);
 658         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 659
 660         return single_open(file, show, dev);
 661 }
 662
 663 static const struct file_operations rtl8192_proc_fops = {
 664         .open           = rtl8192_proc_open,
 665         .read           = seq_read,
 666         .llseek         = seq_lseek,
 667         .release        = single_release,
 668 };
 669
 670 /*
 671  * Table of proc files we need to create.
 672  */
 673 struct rtl8192_proc_file {
 674         char name[12];
 675         int (*show)(struct seq_file *, void *);
 676 };
 677
 678 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 679         { "stats-rx",   &proc_get_stats_rx },
 680         { "stats-tx",   &proc_get_stats_tx },
 681         { "stats-ap",   &proc_get_stats_ap },
 682         { "registers",  &proc_get_registers },
 683         { "" }
 684 };
 685
 686 static void rtl8192_proc_init_one(struct net_device *dev)
 687 {
 688         const struct rtl8192_proc_file *f;
 689         struct proc_dir_entry *dir;
 690
 691         if (rtl8192_proc) {
 692                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 693                 if (!dir) {
 694                         RT_TRACE(COMP_ERR,
 695                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 696                                  dev->name);
 697                         return;
 698                 }
 699
 700                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 701                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 702                                               &rtl8192_proc_fops, f->show)) {
 703                                 RT_TRACE(COMP_ERR,
 704                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 705                                          dev->name, f->name);
 706                                 return;
 707                         }
 708                 }
 709         }
 710 }
 711
 712 static void rtl8192_proc_remove_one(struct net_device *dev)
 713 {
 714         remove_proc_subtree(dev->name, rtl8192_proc);
 715 }
 716
 717 /****************************************************************************
 718    -----------------------------MISC STUFF-------------------------
 719 *****************************************************************************/
 720
 721 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 722 {
 723         struct r8192_priv *priv = ieee80211_priv(dev);
 724         int used = atomic_read(&priv->tx_pending[queue_index]);
 725
 726         return (used < MAX_TX_URB);
 727 }
 728
 729 static void tx_timeout(struct net_device *dev)
 730 {
 731         struct r8192_priv *priv = ieee80211_priv(dev);
 732
 733         schedule_work(&priv->reset_wq);
 734 }
 735
 736 void rtl8192_update_msr(struct net_device *dev)
 737 {
 738         struct r8192_priv *priv = ieee80211_priv(dev);
 739         u8 msr;
 740
 741         read_nic_byte(dev, MSR, &msr);
 742         msr &= ~MSR_LINK_MASK;
 743
 744         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 745          * msr must be updated if the state is ASSOCIATING.
 746          * this is intentional and make sense for ad-hoc and
 747          * master (see the create BSS/IBSS func)
 748          */
 749         if (priv->ieee80211->state == IEEE80211_LINKED) {
 750                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 751                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 752                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 753                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 754                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 755                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 756
 757         } else {
 758                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 759         }
 760
 761         write_nic_byte(dev, MSR, msr);
 762 }
 763
 764 void rtl8192_set_chan(struct net_device *dev, short ch)
 765 {
 766         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 767
 768         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 769         priv->chan = ch;
 770
 771         /* this hack should avoid frame TX during channel setting*/
 772
 773         /* need to implement rf set channel here */
 774
 775         if (priv->rf_set_chan)
 776                 priv->rf_set_chan(dev, priv->chan);
 777         mdelay(10);
 778 }
 779
 780 static void rtl8192_rx_isr(struct urb *urb);
 781
 782 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 783 {
 784         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 785                 + pstats->RxBufShift);
 786 }
 787
 788 static int rtl8192_rx_initiate(struct net_device *dev)
 789 {
 790         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 791         struct urb *entry;
 792         struct sk_buff *skb;
 793         struct rtl8192_rx_info *info;
 794
 795         /* nomal packet rx procedure */
 796         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 797                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 798                 if (!skb)
 799                         break;
 800                 entry = usb_alloc_urb(0, GFP_KERNEL);
 801                 if (!entry) {
 802                         kfree_skb(skb);
 803                         break;
 804                 }
 805                 usb_fill_bulk_urb(entry, priv->udev,
 806                                   usb_rcvbulkpipe(priv->udev, 3),
 807                                   skb_tail_pointer(skb),
 808                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 809                 info = (struct rtl8192_rx_info *)skb->cb;
 810                 info->urb = entry;
 811                 info->dev = dev;
 812                 info->out_pipe = 3; /* denote rx normal packet queue */
 813                 skb_queue_tail(&priv->rx_queue, skb);
 814                 usb_submit_urb(entry, GFP_KERNEL);
 815         }
 816
 817         /* command packet rx procedure */
 818         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 819                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 820                 if (!skb)
 821                         break;
 822                 entry = usb_alloc_urb(0, GFP_KERNEL);
 823                 if (!entry) {
 824                         kfree_skb(skb);
 825                         break;
 826                 }
 827                 usb_fill_bulk_urb(entry, priv->udev,
 828                                   usb_rcvbulkpipe(priv->udev, 9),
 829                                   skb_tail_pointer(skb),
 830                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 831                 info = (struct rtl8192_rx_info *)skb->cb;
 832                 info->urb = entry;
 833                 info->dev = dev;
 834                 info->out_pipe = 9; /* denote rx cmd packet queue */
 835                 skb_queue_tail(&priv->rx_queue, skb);
 836                 usb_submit_urb(entry, GFP_KERNEL);
 837         }
 838
 839         return 0;
 840 }
 841
 842 void rtl8192_set_rxconf(struct net_device *dev)
 843 {
 844         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 845         u32 rxconf;
 846
 847         read_nic_dword(dev, RCR, &rxconf);
 848         rxconf = rxconf & ~MAC_FILTER_MASK;
 849         rxconf = rxconf | RCR_AMF;
 850         rxconf = rxconf | RCR_ADF;
 851         rxconf = rxconf | RCR_AB;
 852         rxconf = rxconf | RCR_AM;
 853
 854         if (dev->flags & IFF_PROMISC)
 855                 DMESG("NIC in promisc mode");
 856
 857         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 858             dev->flags & IFF_PROMISC) {
 859                 rxconf = rxconf | RCR_AAP;
 860         } else {
 861                 rxconf = rxconf | RCR_APM;
 862                 rxconf = rxconf | RCR_CBSSID;
 863         }
 864
 865
 866         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 867                 rxconf = rxconf | RCR_AICV;
 868                 rxconf = rxconf | RCR_APWRMGT;
 869         }
 870
 871         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 872                 rxconf = rxconf | RCR_ACRC32;
 873
 874
 875         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 876         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 877         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 878         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 879
 880         rxconf = rxconf | RCR_ONLYERLPKT;
 881
 882         write_nic_dword(dev, RCR, rxconf);
 883 }
 884
 885 /* wait to be removed */
 886 void rtl8192_rx_enable(struct net_device *dev)
 887 {
 888         rtl8192_rx_initiate(dev);
 889 }
 890
 891
 892 void rtl8192_tx_enable(struct net_device *dev)
 893 {
 894 }
 895
 896
 897
 898 void rtl8192_rtx_disable(struct net_device *dev)
 899 {
 900         u8 cmd;
 901         struct r8192_priv *priv = ieee80211_priv(dev);
 902         struct sk_buff *skb;
 903         struct rtl8192_rx_info *info;
 904
 905         read_nic_byte(dev, CMDR, &cmd);
 906         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 907         force_pci_posting(dev);
 908         mdelay(10);
 909
 910         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 911                 info = (struct rtl8192_rx_info *)skb->cb;
 912                 if (!info->urb)
 913                         continue;
 914
 915                 usb_kill_urb(info->urb);
 916                 kfree_skb(skb);
 917         }
 918
 919         if (skb_queue_len(&priv->skb_queue))
 920                 netdev_warn(dev, "skb_queue not empty\n");
 921
 922         skb_queue_purge(&priv->skb_queue);
 923 }
 924
 925 inline u16 ieeerate2rtlrate(int rate)
 926 {
 927         switch (rate) {
 928         case 10:
 929                 return 0;
 930         case 20:
 931                 return 1;
 932         case 55:
 933                 return 2;
 934         case 110:
 935                 return 3;
 936         case 60:
 937                 return 4;
 938         case 90:
 939                 return 5;
 940         case 120:
 941                 return 6;
 942         case 180:
 943                 return 7;
 944         case 240:
 945                 return 8;
 946         case 360:
 947                 return 9;
 948         case 480:
 949                 return 10;
 950         case 540:
 951                 return 11;
 952         default:
 953                 return 3;
 954         }
 955 }
 956
 957 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
 958 inline u16 rtl8192_rate2rate(short rate)
 959 {
 960         if (rate > 11)
 961                 return 0;
 962         return rtl_rate[rate];
 963 }
 964
 965
 966 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 967 static void rtl8192_rx_isr(struct urb *urb)
 968 {
 969         struct sk_buff *skb = (struct sk_buff *)urb->context;
 970         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 971         struct net_device *dev = info->dev;
 972         struct r8192_priv *priv = ieee80211_priv(dev);
 973         int out_pipe = info->out_pipe;
 974         int err;
 975
 976         if (!priv->up)
 977                 return;
 978
 979         if (unlikely(urb->status)) {
 980                 info->urb = NULL;
 981                 priv->stats.rxstaterr++;
 982                 priv->ieee80211->stats.rx_errors++;
 983                 usb_free_urb(urb);
 984                 return;
 985         }
 986         skb_unlink(skb, &priv->rx_queue);
 987         skb_put(skb, urb->actual_length);
 988
 989         skb_queue_tail(&priv->skb_queue, skb);
 990         tasklet_schedule(&priv->irq_rx_tasklet);
 991
 992         skb = dev_alloc_skb(RX_URB_SIZE);
 993         if (unlikely(!skb)) {
 994                 usb_free_urb(urb);
 995                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 996                 /* TODO check rx queue length and refill *somewhere* */
 997                 return;
 998         }
 999
1000         usb_fill_bulk_urb(urb, priv->udev,
1001                           usb_rcvbulkpipe(priv->udev, out_pipe),
1002                           skb_tail_pointer(skb),
1003                           RX_URB_SIZE, rtl8192_rx_isr, skb);
1004
1005         info = (struct rtl8192_rx_info *)skb->cb;
1006         info->urb = urb;
1007         info->dev = dev;
1008         info->out_pipe = out_pipe;
1009
1010         urb->transfer_buffer = skb_tail_pointer(skb);
1011         urb->context = skb;
1012         skb_queue_tail(&priv->rx_queue, skb);
1013         err = usb_submit_urb(urb, GFP_ATOMIC);
1014         if (err && err != EPERM)
1015                 netdev_err(dev,
1016                            "can not submit rxurb, err is %x, URB status is %x\n",
1017                            err, urb->status);
1018 }
1019
1020 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1021                                         struct ieee80211_rx_stats *pstats)
1022 {
1023         u32     status;
1024
1025         status = cmpk_message_handle_rx(dev, pstats);
1026         if (status)
1027                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1028
1029         return status;
1030 }
1031
1032
1033 static void rtl8192_data_hard_stop(struct net_device *dev)
1034 {
1035         /* FIXME !! */
1036 }
1037
1038
1039 static void rtl8192_data_hard_resume(struct net_device *dev)
1040 {
1041         /* FIXME !! */
1042 }
1043
1044 /* this function TX data frames when the ieee80211 stack requires this.
1045  * It checks also if we need to stop the ieee tx queue, eventually do it
1046  */
1047 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1048                                    int rate)
1049 {
1050         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1051         int ret;
1052         unsigned long flags;
1053         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1054         u8 queue_index = tcb_desc->queue_index;
1055
1056         /* shall not be referred by command packet */
1057         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1058
1059         spin_lock_irqsave(&priv->tx_lock, flags);
1060
1061         *(struct net_device **)(skb->cb) = dev;
1062         tcb_desc->bTxEnableFwCalcDur = 1;
1063         skb_push(skb, priv->ieee80211->tx_headroom);
1064         ret = rtl8192_tx(dev, skb);
1065
1066         spin_unlock_irqrestore(&priv->tx_lock, flags);
1067 }
1068
1069 /* This is a rough attempt to TX a frame
1070  * This is called by the ieee 80211 stack to TX management frames.
1071  * If the ring is full packet are dropped (for data frame the queue
1072  * is stopped before this can happen).
1073  */
1074 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1075 {
1076         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1077         int ret;
1078         unsigned long flags;
1079         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1080         u8 queue_index = tcb_desc->queue_index;
1081
1082
1083         spin_lock_irqsave(&priv->tx_lock, flags);
1084
1085         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1086         if (queue_index == TXCMD_QUEUE) {
1087                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1088                 rtl819xU_tx_cmd(dev, skb);
1089                 ret = 1;
1090         } else {
1091                 skb_push(skb, priv->ieee80211->tx_headroom);
1092                 ret = rtl8192_tx(dev, skb);
1093         }
1094
1095         spin_unlock_irqrestore(&priv->tx_lock, flags);
1096
1097         return ret;
1098 }
1099
1100 static void rtl8192_tx_isr(struct urb *tx_urb)
1101 {
1102         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1103         struct net_device *dev;
1104         struct r8192_priv *priv = NULL;
1105         cb_desc *tcb_desc;
1106         u8  queue_index;
1107
1108         if (!skb)
1109                 return;
1110
1111         dev = *(struct net_device **)(skb->cb);
1112         tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1113         queue_index = tcb_desc->queue_index;
1114
1115         priv = ieee80211_priv(dev);
1116
1117         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1118                 if (tx_urb->status == 0) {
1119                         netif_trans_update(dev);
1120                         priv->stats.txoktotal++;
1121                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1122                         priv->stats.txbytesunicast +=
1123                                 (skb->len - priv->ieee80211->tx_headroom);
1124                 } else {
1125                         priv->ieee80211->stats.tx_errors++;
1126                         /* TODO */
1127                 }
1128         }
1129
1130         /* free skb and tx_urb */
1131         dev_kfree_skb_any(skb);
1132         usb_free_urb(tx_urb);
1133         atomic_dec(&priv->tx_pending[queue_index]);
1134
1135         /*
1136          * Handle HW Beacon:
1137          * We had transfer our beacon frame to host controller at this moment.
1138          *
1139          *
1140          * Caution:
1141          * Handling the wait queue of command packets.
1142          * For Tx command packets, we must not do TCB fragment because it is
1143          * not handled right now. We must cut the packets to match the size of
1144          * TX_CMD_PKT before we send it.
1145          */
1146
1147         /* Handle MPDU in wait queue. */
1148         if (queue_index != BEACON_QUEUE) {
1149                 /* Don't send data frame during scanning.*/
1150                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1151                     (!(priv->ieee80211->queue_stop))) {
1152                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1153                         if (skb)
1154                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1155                                                                          dev);
1156
1157                         return; /* avoid further processing AMSDU */
1158                 }
1159         }
1160 }
1161
1162 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1163 {
1164         struct r8192_priv *priv = ieee80211_priv(dev);
1165         struct ieee80211_network *net;
1166         u8 i = 0, basic_rate = 0;
1167
1168         net = &priv->ieee80211->current_network;
1169
1170         for (i = 0; i < net->rates_len; i++) {
1171                 basic_rate = net->rates[i] & 0x7f;
1172                 switch (basic_rate) {
1173                 case MGN_1M:
1174                         *rate_config |= RRSR_1M;
1175                         break;
1176                 case MGN_2M:
1177                         *rate_config |= RRSR_2M;
1178                         break;
1179                 case MGN_5_5M:
1180                         *rate_config |= RRSR_5_5M;
1181                         break;
1182                 case MGN_11M:
1183                         *rate_config |= RRSR_11M;
1184                         break;
1185                 case MGN_6M:
1186                         *rate_config |= RRSR_6M;
1187                         break;
1188                 case MGN_9M:
1189                         *rate_config |= RRSR_9M;
1190                         break;
1191                 case MGN_12M:
1192                         *rate_config |= RRSR_12M;
1193                         break;
1194                 case MGN_18M:
1195                         *rate_config |= RRSR_18M;
1196                         break;
1197                 case MGN_24M:
1198                         *rate_config |= RRSR_24M;
1199                         break;
1200                 case MGN_36M:
1201                         *rate_config |= RRSR_36M;
1202                         break;
1203                 case MGN_48M:
1204                         *rate_config |= RRSR_48M;
1205                         break;
1206                 case MGN_54M:
1207                         *rate_config |= RRSR_54M;
1208                         break;
1209                 }
1210         }
1211         for (i = 0; i < net->rates_ex_len; i++) {
1212                 basic_rate = net->rates_ex[i] & 0x7f;
1213                 switch (basic_rate) {
1214                 case MGN_1M:
1215                         *rate_config |= RRSR_1M;
1216                         break;
1217                 case MGN_2M:
1218                         *rate_config |= RRSR_2M;
1219                         break;
1220                 case MGN_5_5M:
1221                         *rate_config |= RRSR_5_5M;
1222                         break;
1223                 case MGN_11M:
1224                         *rate_config |= RRSR_11M;
1225                         break;
1226                 case MGN_6M:
1227                         *rate_config |= RRSR_6M;
1228                         break;
1229                 case MGN_9M:
1230                         *rate_config |= RRSR_9M;
1231                         break;
1232                 case MGN_12M:
1233                         *rate_config |= RRSR_12M;
1234                         break;
1235                 case MGN_18M:
1236                         *rate_config |= RRSR_18M;
1237                         break;
1238                 case MGN_24M:
1239                         *rate_config |= RRSR_24M;
1240                         break;
1241                 case MGN_36M:
1242                         *rate_config |= RRSR_36M;
1243                         break;
1244                 case MGN_48M:
1245                         *rate_config |= RRSR_48M;
1246                         break;
1247                 case MGN_54M:
1248                         *rate_config |= RRSR_54M;
1249                         break;
1250                 }
1251         }
1252 }
1253
1254
1255 #define SHORT_SLOT_TIME 9
1256 #define NON_SHORT_SLOT_TIME 20
1257
1258 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1259 {
1260         u32 tmp = 0;
1261         struct r8192_priv *priv = ieee80211_priv(dev);
1262         struct ieee80211_network *net = &priv->ieee80211->current_network;
1263
1264         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1265         tmp = priv->basic_rate;
1266         if (priv->short_preamble)
1267                 tmp |= BRSR_AckShortPmb;
1268         write_nic_dword(dev, RRSR, tmp);
1269
1270         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1271                 u8 slot_time = 0;
1272
1273                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1274                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1275                         /* short slot time */
1276                         slot_time = SHORT_SLOT_TIME;
1277                 else    /* long slot time */
1278                         slot_time = NON_SHORT_SLOT_TIME;
1279                 priv->slot_time = slot_time;
1280                 write_nic_byte(dev, SLOT_TIME, slot_time);
1281         }
1282 }
1283
1284 static void rtl8192_net_update(struct net_device *dev)
1285 {
1286         struct r8192_priv *priv = ieee80211_priv(dev);
1287         struct ieee80211_network *net;
1288         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1289         u16 rate_config = 0;
1290
1291         net = &priv->ieee80211->current_network;
1292
1293         rtl8192_config_rate(dev, &rate_config);
1294         priv->basic_rate = rate_config & 0x15f;
1295
1296         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1297         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1298
1299         rtl8192_update_msr(dev);
1300         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1301                 write_nic_word(dev, ATIMWND, 2);
1302                 write_nic_word(dev, BCN_DMATIME, 1023);
1303                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1304                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1305                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1306                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1307                 /* TODO: BcnIFS may required to be changed on ASIC */
1308                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1309
1310                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1311         }
1312 }
1313
1314 /* temporary hw beacon is not used any more.
1315  * open it when necessary
1316  */
1317 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1318 {
1319
1320 }
1321
1322 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1323 {
1324         if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1325                 return 1;
1326         else
1327                 return 0;
1328 }
1329
1330 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1331 {
1332         struct r8192_priv *priv = ieee80211_priv(dev);
1333         int                     status;
1334         struct urb              *tx_urb;
1335         unsigned int            idx_pipe;
1336         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1337         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1338         u8 queue_index = tcb_desc->queue_index;
1339
1340         atomic_inc(&priv->tx_pending[queue_index]);
1341         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1342         if (!tx_urb) {
1343                 dev_kfree_skb(skb);
1344                 return -ENOMEM;
1345         }
1346
1347         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1348         /* Tx descriptor ought to be set according to the skb->cb */
1349         pdesc->FirstSeg = 1;
1350         pdesc->LastSeg = 1;
1351         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1352         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1353         pdesc->OWN = 1;
1354         pdesc->LINIP = tcb_desc->bLastIniPkt;
1355
1356         /*---------------------------------------------------------------------
1357          * Fill up USB_OUT_CONTEXT.
1358          *---------------------------------------------------------------------
1359          */
1360         idx_pipe = 0x04;
1361         usb_fill_bulk_urb(tx_urb, priv->udev,
1362                           usb_sndbulkpipe(priv->udev, idx_pipe),
1363                           skb->data, skb->len, rtl8192_tx_isr, skb);
1364
1365         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1366
1367         if (!status)
1368                 return 0;
1369
1370         DMESGE("Error TX CMD URB, error %d", status);
1371         return -1;
1372 }
1373
1374 /*
1375  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1376  * in TxFwInfo data structure
1377  * 2006.10.30 by Emily
1378  *
1379  * \param QUEUEID       Software Queue
1380 */
1381 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1382 {
1383         u8 QueueSelect = 0x0;       /* default set to */
1384
1385         switch (QueueID) {
1386         case BE_QUEUE:
1387                 QueueSelect = QSLT_BE;
1388                 break;
1389
1390         case BK_QUEUE:
1391                 QueueSelect = QSLT_BK;
1392                 break;
1393
1394         case VO_QUEUE:
1395                 QueueSelect = QSLT_VO;
1396                 break;
1397
1398         case VI_QUEUE:
1399                 QueueSelect = QSLT_VI;
1400                 break;
1401         case MGNT_QUEUE:
1402                 QueueSelect = QSLT_MGNT;
1403                 break;
1404
1405         case BEACON_QUEUE:
1406                 QueueSelect = QSLT_BEACON;
1407                 break;
1408
1409                 /* TODO: mark other queue selection until we verify it is OK */
1410                 /* TODO: Remove Assertions */
1411         case TXCMD_QUEUE:
1412                 QueueSelect = QSLT_CMD;
1413                 break;
1414         case HIGH_QUEUE:
1415                 QueueSelect = QSLT_HIGH;
1416                 break;
1417
1418         default:
1419                 RT_TRACE(COMP_ERR,
1420                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1421                          QueueID);
1422                 break;
1423         }
1424         return QueueSelect;
1425 }
1426
1427 static u8 MRateToHwRate8190Pci(u8 rate)
1428 {
1429         u8  ret = DESC90_RATE1M;
1430
1431         switch (rate) {
1432         case MGN_1M:
1433                 ret = DESC90_RATE1M;
1434                 break;
1435         case MGN_2M:
1436                 ret = DESC90_RATE2M;
1437                 break;
1438         case MGN_5_5M:
1439                 ret = DESC90_RATE5_5M;
1440                 break;
1441         case MGN_11M:
1442                 ret = DESC90_RATE11M;
1443                 break;
1444         case MGN_6M:
1445                 ret = DESC90_RATE6M;
1446                 break;
1447         case MGN_9M:
1448                 ret = DESC90_RATE9M;
1449                 break;
1450         case MGN_12M:
1451                 ret = DESC90_RATE12M;
1452                 break;
1453         case MGN_18M:
1454                 ret = DESC90_RATE18M;
1455                 break;
1456         case MGN_24M:
1457                 ret = DESC90_RATE24M;
1458                 break;
1459         case MGN_36M:
1460                 ret = DESC90_RATE36M;
1461                 break;
1462         case MGN_48M:
1463                 ret = DESC90_RATE48M;
1464                 break;
1465         case MGN_54M:
1466                 ret = DESC90_RATE54M;
1467                 break;
1468
1469         /* HT rate since here */
1470         case MGN_MCS0:
1471                 ret = DESC90_RATEMCS0;
1472                 break;
1473         case MGN_MCS1:
1474                 ret = DESC90_RATEMCS1;
1475                 break;
1476         case MGN_MCS2:
1477                 ret = DESC90_RATEMCS2;
1478                 break;
1479         case MGN_MCS3:
1480                 ret = DESC90_RATEMCS3;
1481                 break;
1482         case MGN_MCS4:
1483                 ret = DESC90_RATEMCS4;
1484                 break;
1485         case MGN_MCS5:
1486                 ret = DESC90_RATEMCS5;
1487                 break;
1488         case MGN_MCS6:
1489                 ret = DESC90_RATEMCS6;
1490                 break;
1491         case MGN_MCS7:
1492                 ret = DESC90_RATEMCS7;
1493                 break;
1494         case MGN_MCS8:
1495                 ret = DESC90_RATEMCS8;
1496                 break;
1497         case MGN_MCS9:
1498                 ret = DESC90_RATEMCS9;
1499                 break;
1500         case MGN_MCS10:
1501                 ret = DESC90_RATEMCS10;
1502                 break;
1503         case MGN_MCS11:
1504                 ret = DESC90_RATEMCS11;
1505                 break;
1506         case MGN_MCS12:
1507                 ret = DESC90_RATEMCS12;
1508                 break;
1509         case MGN_MCS13:
1510                 ret = DESC90_RATEMCS13;
1511                 break;
1512         case MGN_MCS14:
1513                 ret = DESC90_RATEMCS14;
1514                 break;
1515         case MGN_MCS15:
1516                 ret = DESC90_RATEMCS15;
1517                 break;
1518         case (0x80 | 0x20):
1519                 ret = DESC90_RATEMCS32;
1520                 break;
1521
1522         default:
1523                 break;
1524         }
1525         return ret;
1526 }
1527
1528
1529 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1530 {
1531         u8   tmp_Short;
1532
1533         tmp_Short = (TxHT == 1) ?
1534                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1535                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1536
1537         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1538                 tmp_Short = 0;
1539
1540         return tmp_Short;
1541 }
1542
1543 static void tx_zero_isr(struct urb *tx_urb)
1544 {
1545 }
1546
1547 /*
1548  * The tx procedure is just as following,
1549  * skb->cb will contain all the following information,
1550  * priority, morefrag, rate, &dev.
1551  * */
1552 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1553 {
1554         struct r8192_priv *priv = ieee80211_priv(dev);
1555         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1556         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1557         tx_fwinfo_819x_usb *tx_fwinfo =
1558                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1559         struct usb_device *udev = priv->udev;
1560         int pend;
1561         int status;
1562         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1563         unsigned int idx_pipe;
1564
1565         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1566         /* we are locked here so the two atomic_read and inc are executed
1567          * without interleaves
1568          * !!! For debug purpose
1569          */
1570         if (pend > MAX_TX_URB) {
1571                 netdev_dbg(dev, "To discard skb packet!\n");
1572                 dev_kfree_skb_any(skb);
1573                 return -1;
1574         }
1575
1576         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1577         if (!tx_urb) {
1578                 dev_kfree_skb_any(skb);
1579                 return -ENOMEM;
1580         }
1581
1582         /* Fill Tx firmware info */
1583         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1584         /* DWORD 0 */
1585         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1586         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1587         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1588         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1589                                         tcb_desc);
1590         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1591                 tx_fwinfo->AllowAggregation = 1;
1592                 /* DWORD 1 */
1593                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1594                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1595         } else {
1596                 tx_fwinfo->AllowAggregation = 0;
1597                 /* DWORD 1 */
1598                 tx_fwinfo->RxMF = 0;
1599                 tx_fwinfo->RxAMD = 0;
1600         }
1601
1602         /* Protection mode related */
1603         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1604         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1605         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1606         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1607         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1608         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1609         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1610         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1611                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1612
1613         /* Set Bandwidth and sub-channel settings. */
1614         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1615                 if (tcb_desc->bPacketBW) {
1616                         tx_fwinfo->TxBandwidth = 1;
1617                         /* use duplicated mode */
1618                         tx_fwinfo->TxSubCarrier = 0;
1619                 } else {
1620                         tx_fwinfo->TxBandwidth = 0;
1621                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1622                 }
1623         } else {
1624                 tx_fwinfo->TxBandwidth = 0;
1625                 tx_fwinfo->TxSubCarrier = 0;
1626         }
1627
1628         /* Fill Tx descriptor */
1629         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1630         /* DWORD 0 */
1631         tx_desc->LINIP = 0;
1632         tx_desc->CmdInit = 1;
1633         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1634         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1635
1636         /*DWORD 1*/
1637         tx_desc->SecCAMID = 0;
1638         tx_desc->RATid = tcb_desc->RATRIndex;
1639         tx_desc->NoEnc = 1;
1640         tx_desc->SecType = 0x0;
1641         if (tcb_desc->bHwSec) {
1642                 switch (priv->ieee80211->pairwise_key_type) {
1643                 case KEY_TYPE_WEP40:
1644                 case KEY_TYPE_WEP104:
1645                         tx_desc->SecType = 0x1;
1646                         tx_desc->NoEnc = 0;
1647                         break;
1648                 case KEY_TYPE_TKIP:
1649                         tx_desc->SecType = 0x2;
1650                         tx_desc->NoEnc = 0;
1651                         break;
1652                 case KEY_TYPE_CCMP:
1653                         tx_desc->SecType = 0x3;
1654                         tx_desc->NoEnc = 0;
1655                         break;
1656                 case KEY_TYPE_NA:
1657                         tx_desc->SecType = 0x0;
1658                         tx_desc->NoEnc = 1;
1659                         break;
1660                 }
1661         }
1662
1663         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1664         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1665
1666         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1667         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1668
1669         /* Fill fields that are required to be initialized in
1670          * all of the descriptors
1671          */
1672         /* DWORD 0 */
1673         tx_desc->FirstSeg = 1;
1674         tx_desc->LastSeg = 1;
1675         tx_desc->OWN = 1;
1676
1677         /* DWORD 2 */
1678         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1679         idx_pipe = 0x5;
1680
1681         /* To submit bulk urb */
1682         usb_fill_bulk_urb(tx_urb, udev,
1683                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1684                           skb->len, rtl8192_tx_isr, skb);
1685
1686         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1687         if (!status) {
1688                 /* We need to send 0 byte packet whenever
1689                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1690                  * been transmitted. Otherwise, it will be halt to wait for
1691                  * another packet.
1692                  */
1693                 bool bSend0Byte = false;
1694                 u8 zero = 0;
1695
1696                 if (udev->speed == USB_SPEED_HIGH) {
1697                         if (skb->len > 0 && skb->len % 512 == 0)
1698                                 bSend0Byte = true;
1699                 } else {
1700                         if (skb->len > 0 && skb->len % 64 == 0)
1701                                 bSend0Byte = true;
1702                 }
1703                 if (bSend0Byte) {
1704                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1705                         if (!tx_urb_zero)
1706                                 return -ENOMEM;
1707                         usb_fill_bulk_urb(tx_urb_zero, udev,
1708                                           usb_sndbulkpipe(udev, idx_pipe),
1709                                           &zero, 0, tx_zero_isr, dev);
1710                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1711                         if (status) {
1712                                 RT_TRACE(COMP_ERR,
1713                                          "Error TX URB for zero byte %d, error %d",
1714                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1715                                          status);
1716                                 return -1;
1717                         }
1718                 }
1719                 netif_trans_update(dev);
1720                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1721                 return 0;
1722         }
1723
1724         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1725                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1726                  status);
1727         return -1;
1728 }
1729
1730 static short rtl8192_usb_initendpoints(struct net_device *dev)
1731 {
1732         struct r8192_priv *priv = ieee80211_priv(dev);
1733
1734         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1735                                GFP_KERNEL);
1736         if (!priv->rx_urb)
1737                 return -ENOMEM;
1738
1739 #ifndef JACKSON_NEW_RX
1740         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1741                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1742
1743                 priv->rx_urb[i]->transfer_buffer =
1744                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1745
1746                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1747         }
1748 #endif
1749
1750 #ifdef THOMAS_BEACON
1751         {
1752                 long align = 0;
1753                 void *oldaddr, *newaddr;
1754
1755                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1756                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1757                 oldaddr = priv->oldaddr;
1758                 align = ((long)oldaddr) & 3;
1759                 if (align) {
1760                         newaddr = oldaddr + 4 - align;
1761                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1762                 } else {
1763                         newaddr = oldaddr;
1764                         priv->rx_urb[16]->transfer_buffer_length = 16;
1765                 }
1766                 priv->rx_urb[16]->transfer_buffer = newaddr;
1767         }
1768 #endif
1769
1770         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1771         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1772                                  GFP_KERNEL);
1773         if (!priv->pp_rxskb) {
1774                 kfree(priv->rx_urb);
1775
1776                 priv->pp_rxskb = NULL;
1777                 priv->rx_urb = NULL;
1778
1779                 DMESGE("Endpoint Alloc Failure");
1780                 return -ENOMEM;
1781         }
1782
1783         netdev_dbg(dev, "End of initendpoints\n");
1784         return 0;
1785 }
1786
1787 #ifdef THOMAS_BEACON
1788 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1789 {
1790         int i;
1791         struct r8192_priv *priv = ieee80211_priv(dev);
1792
1793         if (priv->rx_urb) {
1794                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1795                         usb_kill_urb(priv->rx_urb[i]);
1796                         usb_free_urb(priv->rx_urb[i]);
1797                 }
1798                 kfree(priv->rx_urb);
1799                 priv->rx_urb = NULL;
1800         }
1801         kfree(priv->oldaddr);
1802         priv->oldaddr = NULL;
1803
1804         kfree(priv->pp_rxskb);
1805         priv->pp_rxskb = NULL;
1806 }
1807 #else
1808 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1809 {
1810         int i;
1811         struct r8192_priv *priv = ieee80211_priv(dev);
1812
1813 #ifndef JACKSON_NEW_RX
1814
1815         if (priv->rx_urb) {
1816                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1817                         usb_kill_urb(priv->rx_urb[i]);
1818                         kfree(priv->rx_urb[i]->transfer_buffer);
1819                         usb_free_urb(priv->rx_urb[i]);
1820                 }
1821                 kfree(priv->rx_urb);
1822                 priv->rx_urb = NULL;
1823         }
1824 #else
1825         kfree(priv->rx_urb);
1826         priv->rx_urb = NULL;
1827         kfree(priv->oldaddr);
1828         priv->oldaddr = NULL;
1829
1830         kfree(priv->pp_rxskb);
1831         priv->pp_rxskb = 0;
1832
1833 #endif
1834 }
1835 #endif
1836
1837 static void rtl8192_update_ratr_table(struct net_device *dev);
1838 static void rtl8192_link_change(struct net_device *dev)
1839 {
1840         struct r8192_priv *priv = ieee80211_priv(dev);
1841         struct ieee80211_device *ieee = priv->ieee80211;
1842
1843         if (ieee->state == IEEE80211_LINKED) {
1844                 rtl8192_net_update(dev);
1845                 rtl8192_update_ratr_table(dev);
1846                 /* Add this as in pure N mode, wep encryption will use software
1847                  * way, but there is no chance to set this as wep will not set
1848                  * group key in wext.
1849                  */
1850                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1851                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1852                         EnableHWSecurityConfig8192(dev);
1853         }
1854         /*update timing params*/
1855         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1856                 u32 reg = 0;
1857
1858                 read_nic_dword(dev, RCR, &reg);
1859                 if (priv->ieee80211->state == IEEE80211_LINKED)
1860                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1861                 else
1862                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1863                 write_nic_dword(dev, RCR, reg);
1864         }
1865 }
1866
1867 static struct ieee80211_qos_parameters def_qos_parameters = {
1868         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1869         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1870         {2, 2, 2, 2},/* aifs */
1871         {0, 0, 0, 0},/* flags */
1872         {0, 0, 0, 0} /* tx_op_limit */
1873 };
1874
1875
1876 static void rtl8192_update_beacon(struct work_struct *work)
1877 {
1878         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1879                                                update_beacon_wq.work);
1880         struct net_device *dev = priv->ieee80211->dev;
1881         struct ieee80211_device *ieee = priv->ieee80211;
1882         struct ieee80211_network *net = &ieee->current_network;
1883
1884         if (ieee->pHTInfo->bCurrentHTSupport)
1885                 HTUpdateSelfAndPeerSetting(ieee, net);
1886         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1887                 net->bssht.bdRT2RTLongSlotTime;
1888         rtl8192_update_cap(dev, net->capability);
1889 }
1890
1891 /*
1892 * background support to run QoS activate functionality
1893 */
1894 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1895                              EDCAPARA_VI, EDCAPARA_VO};
1896 static void rtl8192_qos_activate(struct work_struct *work)
1897 {
1898         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1899                                                qos_activate);
1900         struct net_device *dev = priv->ieee80211->dev;
1901         struct ieee80211_qos_parameters *qos_parameters =
1902                 &priv->ieee80211->current_network.qos_data.parameters;
1903         u8 mode = priv->ieee80211->current_network.mode;
1904         u32  u1bAIFS;
1905         u32 u4bAcParam;
1906         u32 op_limit;
1907         u32 cw_max;
1908         u32 cw_min;
1909         int i;
1910
1911         mutex_lock(&priv->mutex);
1912         if (priv->ieee80211->state != IEEE80211_LINKED)
1913                 goto success;
1914         RT_TRACE(COMP_QOS,
1915                  "qos active process with associate response received\n");
1916         /* It better set slot time at first
1917          *
1918          * For we just support b/g mode at present, let the slot time at
1919          * 9/20 selection
1920          *
1921          * update the ac parameter to related registers
1922          */
1923         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1924                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1925                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1926                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1927                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1928                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1929                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1930                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1931                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1932                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1933                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1934                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1935         }
1936
1937 success:
1938         mutex_unlock(&priv->mutex);
1939 }
1940
1941 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1942                                              int active_network,
1943                                              struct ieee80211_network *network)
1944 {
1945         int ret = 0;
1946         u32 size = sizeof(struct ieee80211_qos_parameters);
1947
1948         if (priv->ieee80211->state != IEEE80211_LINKED)
1949                 return ret;
1950
1951         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1952                 return ret;
1953
1954         if (network->flags & NETWORK_HAS_QOS_MASK) {
1955                 if (active_network &&
1956                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1957                         network->qos_data.active = network->qos_data.supported;
1958
1959                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1960                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1961                     (network->qos_data.old_param_count !=
1962                      network->qos_data.param_count)) {
1963                         network->qos_data.old_param_count =
1964                                 network->qos_data.param_count;
1965                         schedule_work(&priv->qos_activate);
1966                         RT_TRACE(COMP_QOS,
1967                                  "QoS parameters change call qos_activate\n");
1968                 }
1969         } else {
1970                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1971                        &def_qos_parameters, size);
1972
1973                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1974                         schedule_work(&priv->qos_activate);
1975                         RT_TRACE(COMP_QOS,
1976                                  "QoS was disabled call qos_activate\n");
1977                 }
1978                 network->qos_data.active = 0;
1979                 network->qos_data.supported = 0;
1980         }
1981
1982         return 0;
1983 }
1984
1985 /* handle and manage frame from beacon and probe response */
1986 static int rtl8192_handle_beacon(struct net_device *dev,
1987                                  struct ieee80211_beacon *beacon,
1988                                  struct ieee80211_network *network)
1989 {
1990         struct r8192_priv *priv = ieee80211_priv(dev);
1991
1992         rtl8192_qos_handle_probe_response(priv, 1, network);
1993         schedule_delayed_work(&priv->update_beacon_wq, 0);
1994         return 0;
1995 }
1996
1997 /*
1998 * handling the beaconing responses. if we get different QoS setting
1999 * off the network from the associated setting, adjust the QoS
2000 * setting
2001 */
2002 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
2003                                         struct ieee80211_network *network)
2004 {
2005         unsigned long flags;
2006         u32 size = sizeof(struct ieee80211_qos_parameters);
2007         int set_qos_param = 0;
2008
2009         if (!priv || !network)
2010                 return 0;
2011
2012         if (priv->ieee80211->state != IEEE80211_LINKED)
2013                 return 0;
2014
2015         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
2016                 return 0;
2017
2018         spin_lock_irqsave(&priv->ieee80211->lock, flags);
2019         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2020                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2021                        &network->qos_data.parameters,
2022                        sizeof(struct ieee80211_qos_parameters));
2023                 priv->ieee80211->current_network.qos_data.active = 1;
2024                 set_qos_param = 1;
2025                 /* update qos parameter for current network */
2026                 priv->ieee80211->current_network.qos_data.old_param_count =
2027                         priv->ieee80211->current_network.qos_data.param_count;
2028                 priv->ieee80211->current_network.qos_data.param_count =
2029                         network->qos_data.param_count;
2030         } else {
2031                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2032                        &def_qos_parameters, size);
2033                 priv->ieee80211->current_network.qos_data.active = 0;
2034                 priv->ieee80211->current_network.qos_data.supported = 0;
2035                 set_qos_param = 1;
2036         }
2037
2038         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2039
2040         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2041                  network->flags,
2042                  priv->ieee80211->current_network.qos_data.active);
2043         if (set_qos_param == 1)
2044                 schedule_work(&priv->qos_activate);
2045
2046
2047         return 0;
2048 }
2049
2050
2051 static int rtl8192_handle_assoc_response(
2052                 struct net_device *dev,
2053                 struct ieee80211_assoc_response_frame *resp,
2054                 struct ieee80211_network *network)
2055 {
2056         struct r8192_priv *priv = ieee80211_priv(dev);
2057
2058         rtl8192_qos_association_resp(priv, network);
2059         return 0;
2060 }
2061
2062
2063 static void rtl8192_update_ratr_table(struct net_device *dev)
2064 {
2065         struct r8192_priv *priv = ieee80211_priv(dev);
2066         struct ieee80211_device *ieee = priv->ieee80211;
2067         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2068         u32 ratr_value = 0;
2069         u8 rate_index = 0;
2070
2071         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2072         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2073         switch (ieee->mode) {
2074         case IEEE_A:
2075                 ratr_value &= 0x00000FF0;
2076                 break;
2077         case IEEE_B:
2078                 ratr_value &= 0x0000000F;
2079                 break;
2080         case IEEE_G:
2081                 ratr_value &= 0x00000FF7;
2082                 break;
2083         case IEEE_N_24G:
2084         case IEEE_N_5G:
2085                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2086                         ratr_value &= 0x0007F007;
2087                 } else {
2088                         if (priv->rf_type == RF_1T2R)
2089                                 ratr_value &= 0x000FF007;
2090                         else
2091                                 ratr_value &= 0x0F81F007;
2092                 }
2093                 break;
2094         default:
2095                 break;
2096         }
2097         ratr_value &= 0x0FFFFFFF;
2098         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2099                 ratr_value |= 0x80000000;
2100         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2101                  ieee->pHTInfo->bCurShortGI20MHz)
2102                 ratr_value |= 0x80000000;
2103         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2104         write_nic_byte(dev, UFWP, 1);
2105 }
2106
2107 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2108 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2109 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2110 {
2111         struct r8192_priv *priv = ieee80211_priv(dev);
2112         struct ieee80211_device *ieee = priv->ieee80211;
2113         struct ieee80211_network *network = &ieee->current_network;
2114         int wpa_ie_len = ieee->wpa_ie_len;
2115         struct ieee80211_crypt_data *crypt;
2116         int encrypt;
2117
2118         crypt = ieee->crypt[ieee->tx_keyidx];
2119         /* we use connecting AP's capability instead of only security config
2120          * on our driver to distinguish whether it should use N mode or G mode
2121          */
2122         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2123                   (ieee->host_encrypt && crypt && crypt->ops &&
2124                    (0 == strcmp(crypt->ops->name, "WEP")));
2125
2126         /* simply judge  */
2127         if (encrypt && (wpa_ie_len == 0)) {
2128                 /* wep encryption, no N mode setting */
2129                 return false;
2130         } else if ((wpa_ie_len != 0)) {
2131                 /* parse pairwise key type */
2132                 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))))
2133                         return true;
2134                 else
2135                         return false;
2136         } else {
2137                 return true;
2138         }
2139
2140         return true;
2141 }
2142
2143 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2144 {
2145         struct r8192_priv *priv = ieee80211_priv(dev);
2146
2147         return priv->ieee80211->bHalfWirelessN24GMode;
2148 }
2149
2150 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2151 {
2152         struct ieee80211_device *ieee = priv->ieee80211;
2153         /* We do not consider set support rate for ABG mode, only
2154          * HT MCS rate is set here.
2155          */
2156         if (ieee->mode == WIRELESS_MODE_N_24G ||
2157             ieee->mode == WIRELESS_MODE_N_5G)
2158                 memcpy(ieee->Regdot11HTOperationalRateSet,
2159                        ieee->RegHTSuppRateSet, 16);
2160         else
2161                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2162 }
2163
2164 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2165 {
2166         struct r8192_priv *priv = ieee80211_priv(dev);
2167         u8 ret = 0;
2168
2169         switch (priv->rf_chip) {
2170         case RF_8225:
2171         case RF_8256:
2172         case RF_PSEUDO_11N:
2173                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2174                 break;
2175         case RF_8258:
2176                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2177                 break;
2178         default:
2179                 ret = WIRELESS_MODE_B;
2180                 break;
2181         }
2182         return ret;
2183 }
2184
2185 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2186 {
2187         struct r8192_priv *priv = ieee80211_priv(dev);
2188         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2189
2190         if (wireless_mode == WIRELESS_MODE_AUTO ||
2191             (wireless_mode & bSupportMode) == 0) {
2192                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2193                         wireless_mode = WIRELESS_MODE_N_24G;
2194                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2195                         wireless_mode = WIRELESS_MODE_N_5G;
2196                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2197                         wireless_mode = WIRELESS_MODE_A;
2198                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2199                         wireless_mode = WIRELESS_MODE_G;
2200                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2201                         wireless_mode = WIRELESS_MODE_B;
2202                 } else {
2203                         RT_TRACE(COMP_ERR,
2204                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2205                                  __func__, bSupportMode);
2206                         wireless_mode = WIRELESS_MODE_B;
2207                 }
2208         }
2209 #ifdef TO_DO_LIST
2210         /* TODO: this function doesn't work well at this time,
2211          * we should wait for FPGA
2212          */
2213         ActUpdateChannelAccessSetting(
2214                         pAdapter, pHalData->CurrentWirelessMode,
2215                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2216 #endif
2217         priv->ieee80211->mode = wireless_mode;
2218
2219         if (wireless_mode == WIRELESS_MODE_N_24G ||
2220             wireless_mode == WIRELESS_MODE_N_5G)
2221                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2222         else
2223                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2224         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2225         rtl8192_refresh_supportrate(priv);
2226 }
2227
2228 /* init priv variables here. only non_zero value should be initialized here. */
2229 static void rtl8192_init_priv_variable(struct net_device *dev)
2230 {
2231         struct r8192_priv *priv = ieee80211_priv(dev);
2232         u8 i;
2233
2234         priv->card_8192 = NIC_8192U;
2235         priv->chan = 1; /* set to channel 1 */
2236         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2237         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2238         priv->ieee80211->ieee_up = 0;
2239         priv->retry_rts = DEFAULT_RETRY_RTS;
2240         priv->retry_data = DEFAULT_RETRY_DATA;
2241         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2242         priv->ieee80211->rate = 110; /* 11 mbps */
2243         priv->ieee80211->short_slot = 1;
2244         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2245         priv->CckPwEnl = 6;
2246         /* for silent reset */
2247         priv->IrpPendingCount = 1;
2248         priv->ResetProgress = RESET_TYPE_NORESET;
2249         priv->bForcedSilentReset = false;
2250         priv->bDisableNormalResetCheck = false;
2251         priv->force_reset = false;
2252
2253         /* we don't use FW read/write RF until stable firmware is available. */
2254         priv->ieee80211->FwRWRF = 0;
2255         priv->ieee80211->current_network.beacon_interval =
2256                 DEFAULT_BEACONINTERVAL;
2257         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2258                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2259                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2260                 IEEE_SOFTMAC_BEACONS;
2261
2262         priv->ieee80211->active_scan = 1;
2263         priv->ieee80211->modulation =
2264                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2265         priv->ieee80211->host_encrypt = 1;
2266         priv->ieee80211->host_decrypt = 1;
2267         priv->ieee80211->start_send_beacons = NULL;
2268         priv->ieee80211->stop_send_beacons = NULL;
2269         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2270         priv->ieee80211->set_chan = rtl8192_set_chan;
2271         priv->ieee80211->link_change = rtl8192_link_change;
2272         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2273         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2274         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2275         priv->ieee80211->init_wmmparam_flag = 0;
2276         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2277         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2278         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2279         priv->ieee80211->qos_support = 1;
2280
2281         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2282         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2283         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2284
2285         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2286         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2287                 GetHalfNmodeSupportByAPs819xUsb;
2288         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2289
2290         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2291         priv->card_type = USB;
2292 #ifdef TO_DO_LIST
2293         if (Adapter->bInHctTest) {
2294                 pHalData->ShortRetryLimit = 7;
2295                 pHalData->LongRetryLimit = 7;
2296         }
2297 #endif
2298         priv->ShortRetryLimit = 0x30;
2299         priv->LongRetryLimit = 0x30;
2300         priv->EarlyRxThreshold = 7;
2301         priv->enable_gpio0 = 0;
2302         priv->TransmitConfig =
2303                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2304                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2305                 /* Short retry limit */
2306                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2307                 /* Long retry limit */
2308                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2309                 /* FALSE: HW provides PLCP length and LENGEXT
2310                  * TRUE: SW provides them
2311                  */
2312                 (false ? TCR_SAT : 0);
2313 #ifdef TO_DO_LIST
2314         if (Adapter->bInHctTest)
2315                 pHalData->ReceiveConfig =
2316                         pHalData->CSMethod |
2317                         /* accept management/data */
2318                         RCR_AMF | RCR_ADF |
2319                         /* accept control frame for SW
2320                          * AP needs PS-poll
2321                          */
2322                         RCR_ACF |
2323                         /* accept BC/MC/UC */
2324                         RCR_AB | RCR_AM | RCR_APM |
2325                         /* accept ICV/CRC error
2326                          * packet
2327                          */
2328                         RCR_AICV | RCR_ACRC32 |
2329                         /* Max DMA Burst Size per Tx
2330                          * DMA Burst, 7: unlimited.
2331                          */
2332                         ((u32)7 << RCR_MXDMA_OFFSET) |
2333                         /* Rx FIFO Threshold,
2334                          * 7: No Rx threshold.
2335                          */
2336                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2337                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2338         else
2339
2340 #endif
2341         priv->ReceiveConfig     =
2342                 /* accept management/data */
2343                 RCR_AMF | RCR_ADF |
2344                 /* accept control frame for SW AP needs PS-poll */
2345                 RCR_ACF |
2346                 /* accept BC/MC/UC */
2347                 RCR_AB | RCR_AM | RCR_APM |
2348                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2349                 ((u32)7 << RCR_MXDMA_OFFSET) |
2350                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2351                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2352                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2353
2354         priv->AcmControl = 0;
2355         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2356
2357         /* rx related queue */
2358         skb_queue_head_init(&priv->rx_queue);
2359         skb_queue_head_init(&priv->skb_queue);
2360
2361         /* Tx related queue */
2362         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2363                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2364         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2365                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2366         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2367                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2368         priv->rf_set_chan = rtl8192_phy_SwChnl;
2369 }
2370
2371 /* init lock here */
2372 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2373 {
2374         spin_lock_init(&priv->tx_lock);
2375         spin_lock_init(&priv->irq_lock);
2376         mutex_init(&priv->wx_mutex);
2377         mutex_init(&priv->mutex);
2378 }
2379
2380 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2381
2382 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2383 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2384 #define DRV_NAME "wlan0"
2385 static void rtl8192_init_priv_task(struct net_device *dev)
2386 {
2387         struct r8192_priv *priv = ieee80211_priv(dev);
2388
2389
2390         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2391
2392         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2393                           rtl819x_watchdog_wqcallback);
2394         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2395                           dm_txpower_trackingcallback);
2396         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2397                           dm_rf_pathcheck_workitemcallback);
2398         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2399                           rtl8192_update_beacon);
2400         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2401                           InitialGainOperateWorkItemCallBack);
2402         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2403
2404         tasklet_init(&priv->irq_rx_tasklet,
2405                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2406                      (unsigned long)priv);
2407 }
2408
2409 static void rtl8192_get_eeprom_size(struct net_device *dev)
2410 {
2411         u16 curCR = 0;
2412         struct r8192_priv *priv = ieee80211_priv(dev);
2413
2414         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2415         read_nic_word_E(dev, EPROM_CMD, &curCR);
2416         RT_TRACE(COMP_EPROM,
2417                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2418         /* whether need I consider BIT(5?) */
2419         priv->epromtype =
2420                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2421         RT_TRACE(COMP_EPROM,
2422                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2423 }
2424
2425 /* used to swap endian. as ntohl & htonl are not necessary
2426  * to swap endian, so use this instead.
2427  */
2428 static inline u16 endian_swap(u16 *data)
2429 {
2430         u16 tmp = *data;
2431         *data = (tmp >> 8) | (tmp << 8);
2432         return *data;
2433 }
2434
2435 static int rtl8192_read_eeprom_info(struct net_device *dev)
2436 {
2437         u16 wEPROM_ID = 0;
2438         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2439         u8 bLoad_From_EEPOM = false;
2440         struct r8192_priv *priv = ieee80211_priv(dev);
2441         u16 tmpValue = 0;
2442         int i;
2443         int ret;
2444
2445         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2446         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2447         if (ret < 0)
2448                 return ret;
2449         wEPROM_ID = (u16)ret;
2450         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2451
2452         if (wEPROM_ID != RTL8190_EEPROM_ID)
2453                 RT_TRACE(COMP_ERR,
2454                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2455                          wEPROM_ID, RTL8190_EEPROM_ID);
2456         else
2457                 bLoad_From_EEPOM = true;
2458
2459         if (bLoad_From_EEPOM) {
2460                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2461                 ret = eprom_read(dev, EEPROM_VID >> 1);
2462                 if (ret < 0)
2463                         return ret;
2464                 tmpValue = (u16)ret;
2465                 priv->eeprom_vid = endian_swap(&tmpValue);
2466                 ret = eprom_read(dev, EEPROM_PID >> 1);
2467                 if (ret < 0)
2468                         return ret;
2469                 priv->eeprom_pid = (u16)ret;
2470                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2471                 if (ret < 0)
2472                         return ret;
2473                 tmpValue = (u16)ret;
2474                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2475                 priv->btxpowerdata_readfromEEPORM = true;
2476                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2477                 if (ret < 0)
2478                         return ret;
2479                 priv->eeprom_CustomerID = (u16)ret;
2480         } else {
2481                 priv->eeprom_vid = 0;
2482                 priv->eeprom_pid = 0;
2483                 priv->card_8192_version = VERSION_819xU_B;
2484                 priv->eeprom_ChannelPlan = 0;
2485                 priv->eeprom_CustomerID = 0;
2486         }
2487         RT_TRACE(COMP_EPROM,
2488                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2489                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2490                  priv->eeprom_ChannelPlan);
2491         /* set channelplan from eeprom */
2492         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2493         if (bLoad_From_EEPOM) {
2494                 int i;
2495
2496                 for (i = 0; i < 6; i += 2) {
2497                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2498                         if (ret < 0)
2499                                 return ret;
2500                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2501                 }
2502         } else {
2503                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2504                 /* should I set IDR0 here? */
2505         }
2506         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2507         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2508         priv->rf_chip = RF_8256;
2509
2510         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2511                 /* read Tx power gain offset of legacy OFDM to HT rate */
2512                 if (bLoad_From_EEPOM) {
2513                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2514                         if (ret < 0)
2515                                 return ret;
2516                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2517                 } else
2518                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2519                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2520                 /* read ThermalMeter from EEPROM */
2521                 if (bLoad_From_EEPOM) {
2522                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2523                         if (ret < 0)
2524                                 return ret;
2525                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2526                 } else
2527                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2528                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2529                 /* for tx power track */
2530                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2531                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2532                 if (bLoad_From_EEPOM) {
2533                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2534                         if (ret < 0)
2535                                 return ret;
2536                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2537                 } else
2538                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2539                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2540                 /* Read CrystalCap from EEPROM */
2541                 if (bLoad_From_EEPOM) {
2542                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2543                         if (ret < 0)
2544                                 return ret;
2545                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2546                 } else
2547                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2548                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2549                 /* get per-channel Tx power level */
2550                 if (bLoad_From_EEPOM) {
2551                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2552                         if (ret < 0)
2553                                 return ret;
2554                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2555                 } else
2556                         priv->EEPROM_Def_Ver = 1;
2557                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2558                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2559                         int i;
2560
2561                         if (bLoad_From_EEPOM) {
2562                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2563                                 if (ret < 0)
2564                                         return ret;
2565                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2566                         } else
2567                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2568                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2569                         for (i = 0; i < 3; i++) {
2570                                 if (bLoad_From_EEPOM) {
2571                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2572                                         if ( ret < 0)
2573                                                 return ret;
2574                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2575                                                 tmpValue = (u16)ret & 0x00ff;
2576                                         else
2577                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2578                                 } else {
2579                                         tmpValue = 0x10;
2580                                 }
2581                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2582                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2583                         }
2584                 } else if (priv->EEPROM_Def_Ver == 1) {
2585                         if (bLoad_From_EEPOM) {
2586                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2587                                 if (ret < 0)
2588                                         return ret;
2589                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2590                         } else {
2591                                 tmpValue = 0x10;
2592                         }
2593                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2594
2595                         if (bLoad_From_EEPOM) {
2596                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2597                                 if (ret < 0)
2598                                         return ret;
2599                                 tmpValue = (u16)ret;
2600                         } else
2601                                 tmpValue = 0x1010;
2602                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2603                         if (bLoad_From_EEPOM)
2604                                 tmpValue = eprom_read(dev,
2605                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2606                         else
2607                                 tmpValue = 0x1010;
2608                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2609                         if (bLoad_From_EEPOM)
2610                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2611                         else
2612                                 tmpValue = 0x10;
2613                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2614                 } /* endif EEPROM_Def_Ver == 1 */
2615
2616                 /* update HAL variables */
2617                 for (i = 0; i < 14; i++) {
2618                         if (i <= 3)
2619                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2620                         else if (i >= 4 && i <= 9)
2621                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2622                         else
2623                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2624                 }
2625
2626                 for (i = 0; i < 14; i++) {
2627                         if (priv->EEPROM_Def_Ver == 0) {
2628                                 if (i <= 3)
2629                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2630                                 else if (i >= 4 && i <= 9)
2631                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2632                                 else
2633                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2634                         } else if (priv->EEPROM_Def_Ver == 1) {
2635                                 if (i <= 3)
2636                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2637                                 else if (i >= 4 && i <= 9)
2638                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2639                                 else
2640                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2641                         }
2642                 }
2643                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2644                 /* Antenna B gain offset to antenna A, bit0~3 */
2645                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2646                 /* Antenna C gain offset to antenna A, bit4~7 */
2647                 priv->AntennaTxPwDiff[1] =
2648                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2649                 /* CrystalCap, bit12~15 */
2650                 priv->CrystalCap = priv->EEPROMCrystalCap;
2651                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2652                  * 92U does not enable TX power tracking.
2653                  */
2654                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2655         } /* end if VersionID == VERSION_819xU_A */
2656
2657         /* for dlink led */
2658         switch (priv->eeprom_CustomerID) {
2659         case EEPROM_CID_RUNTOP:
2660                 priv->CustomerID = RT_CID_819x_RUNTOP;
2661                 break;
2662
2663         case EEPROM_CID_DLINK:
2664                 priv->CustomerID = RT_CID_DLINK;
2665                 break;
2666
2667         default:
2668                 priv->CustomerID = RT_CID_DEFAULT;
2669                 break;
2670         }
2671
2672         switch (priv->CustomerID) {
2673         case RT_CID_819x_RUNTOP:
2674                 priv->LedStrategy = SW_LED_MODE2;
2675                 break;
2676
2677         case RT_CID_DLINK:
2678                 priv->LedStrategy = SW_LED_MODE4;
2679                 break;
2680
2681         default:
2682                 priv->LedStrategy = SW_LED_MODE0;
2683                 break;
2684         }
2685
2686
2687         if (priv->rf_type == RF_1T2R)
2688                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2689         else
2690                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2691
2692         /* We can only know RF type in the function. So we have to init
2693          * DIG RATR table again.
2694          */
2695         init_rate_adaptive(dev);
2696
2697         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2698
2699         return 0;
2700 }
2701
2702 static short rtl8192_get_channel_map(struct net_device *dev)
2703 {
2704         struct r8192_priv *priv = ieee80211_priv(dev);
2705
2706         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2707                 netdev_err(dev,
2708                            "rtl8180_init: Error channel plan! Set to default.\n");
2709                 priv->ChannelPlan = 0;
2710         }
2711         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2712
2713         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2714         return 0;
2715 }
2716
2717 static short rtl8192_init(struct net_device *dev)
2718 {
2719         struct r8192_priv *priv = ieee80211_priv(dev);
2720         int err;
2721
2722         memset(&(priv->stats), 0, sizeof(struct Stats));
2723         memset(priv->txqueue_to_outpipemap, 0, 9);
2724 #ifdef PIPE12
2725         {
2726                 int i = 0;
2727                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2728
2729                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2730         }
2731 #else
2732         {
2733                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2734
2735                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2736         }
2737 #endif
2738         rtl8192_init_priv_variable(dev);
2739         rtl8192_init_priv_lock(priv);
2740         rtl8192_init_priv_task(dev);
2741         rtl8192_get_eeprom_size(dev);
2742         err = rtl8192_read_eeprom_info(dev);
2743         if (err) {
2744                 DMESG("Reading EEPROM info failed");
2745                 kfree(priv->pFirmware);
2746                 priv->pFirmware = NULL;
2747                 free_ieee80211(dev);
2748                 return err;
2749         }
2750         rtl8192_get_channel_map(dev);
2751         init_hal_dm(dev);
2752         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2753                     (unsigned long)dev);
2754         if (rtl8192_usb_initendpoints(dev) != 0) {
2755                 DMESG("Endopoints initialization failed");
2756                 return -ENOMEM;
2757         }
2758
2759         return 0;
2760 }
2761
2762 /******************************************************************************
2763  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2764  *           not to do all the hw config as its name says
2765  *   input:  net_device dev
2766  *  output:  none
2767  *  return:  none
2768  *  notice:  This part need to modified according to the rate set we filtered
2769  * ****************************************************************************/
2770 static void rtl8192_hwconfig(struct net_device *dev)
2771 {
2772         u32 regRATR = 0, regRRSR = 0;
2773         u8 regBwOpMode = 0, regTmp = 0;
2774         struct r8192_priv *priv = ieee80211_priv(dev);
2775         u32 ratr_value = 0;
2776
2777         /* Set RRSR, RATR, and BW_OPMODE registers */
2778         switch (priv->ieee80211->mode) {
2779         case WIRELESS_MODE_B:
2780                 regBwOpMode = BW_OPMODE_20MHZ;
2781                 regRATR = RATE_ALL_CCK;
2782                 regRRSR = RATE_ALL_CCK;
2783                 break;
2784         case WIRELESS_MODE_A:
2785                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2786                 regRATR = RATE_ALL_OFDM_AG;
2787                 regRRSR = RATE_ALL_OFDM_AG;
2788                 break;
2789         case WIRELESS_MODE_G:
2790                 regBwOpMode = BW_OPMODE_20MHZ;
2791                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2792                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2793                 break;
2794         case WIRELESS_MODE_AUTO:
2795 #ifdef TO_DO_LIST
2796                 if (Adapter->bInHctTest) {
2797                         regBwOpMode = BW_OPMODE_20MHZ;
2798                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2799                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2800                 } else
2801 #endif
2802                 {
2803                         regBwOpMode = BW_OPMODE_20MHZ;
2804                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2805                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2806                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2807                 }
2808                 break;
2809         case WIRELESS_MODE_N_24G:
2810                 /* It support CCK rate by default. CCK rate will be filtered
2811                  * out only when associated AP does not support it.
2812                  */
2813                 regBwOpMode = BW_OPMODE_20MHZ;
2814                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2815                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2816                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2817                 break;
2818         case WIRELESS_MODE_N_5G:
2819                 regBwOpMode = BW_OPMODE_5G;
2820                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2821                           RATE_ALL_OFDM_2SS;
2822                 regRRSR = RATE_ALL_OFDM_AG;
2823                 break;
2824         }
2825
2826         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2827         ratr_value = regRATR;
2828         if (priv->rf_type == RF_1T2R)
2829                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2830         write_nic_dword(dev, RATR0, ratr_value);
2831         write_nic_byte(dev, UFWP, 1);
2832         read_nic_byte(dev, 0x313, &regTmp);
2833         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2834         write_nic_dword(dev, RRSR, regRRSR);
2835
2836         /* Set Retry Limit here */
2837         write_nic_word(dev, RETRY_LIMIT,
2838                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2839                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2840         /* Set Contention Window here */
2841
2842         /* Set Tx AGC */
2843
2844         /* Set Tx Antenna including Feedback control */
2845
2846         /* Set Auto Rate fallback control */
2847 }
2848
2849
2850 /* InitializeAdapter and PhyCfg */
2851 static bool rtl8192_adapter_start(struct net_device *dev)
2852 {
2853         struct r8192_priv *priv = ieee80211_priv(dev);
2854         u32 dwRegRead = 0;
2855         bool init_status = true;
2856         u8 SECR_value = 0x0;
2857         u8 tmp;
2858
2859         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2860         priv->Rf_Mode = RF_OP_By_SW_3wire;
2861         /* for ASIC power on sequence */
2862         write_nic_byte_E(dev, 0x5f, 0x80);
2863         mdelay(50);
2864         write_nic_byte_E(dev, 0x5f, 0xf0);
2865         write_nic_byte_E(dev, 0x5d, 0x00);
2866         write_nic_byte_E(dev, 0x5e, 0x80);
2867         write_nic_byte(dev, 0x17, 0x37);
2868         mdelay(10);
2869         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2870         /* config CPUReset Register */
2871         /* Firmware Reset or not? */
2872         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2873         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2874                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2875         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2876                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2877         else
2878                 RT_TRACE(COMP_ERR,
2879                          "ERROR in %s(): undefined firmware state(%d)\n",
2880                          __func__,   priv->pFirmware->firmware_status);
2881
2882         write_nic_dword(dev, CPU_GEN, dwRegRead);
2883         /* config BB. */
2884         rtl8192_BBConfig(dev);
2885
2886         /* Loopback mode or not */
2887         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2888
2889         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2890         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2891                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2892                             CPU_GEN_NO_LOOPBACK_SET;
2893         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2894                 dwRegRead |= CPU_CCK_LOOPBACK;
2895         else
2896                 RT_TRACE(COMP_ERR,
2897                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2898                          __func__,  priv->LoopbackMode);
2899
2900         write_nic_dword(dev, CPU_GEN, dwRegRead);
2901
2902         /* after reset cpu, we need wait for a seconds to write in register. */
2903         udelay(500);
2904
2905         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2906         read_nic_byte_E(dev, 0x5f, &tmp);
2907         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2908
2909         /* Set Hardware */
2910         rtl8192_hwconfig(dev);
2911
2912         /* turn on Tx/Rx */
2913         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2914
2915         /* set IDR0 here */
2916         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2917         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2918
2919         /* set RCR */
2920         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2921
2922         /* Initialize Number of Reserved Pages in Firmware Queue */
2923         write_nic_dword(dev, RQPN1,
2924                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2925                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2926                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2927                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2928         write_nic_dword(dev, RQPN2,
2929                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2930                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2931         write_nic_dword(dev, RQPN3,
2932                 APPLIED_RESERVED_QUEUE_IN_FW |
2933                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2934         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2935
2936         /* Set AckTimeout */
2937         /* TODO: (it value is only for FPGA version). need to be changed!! */
2938         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2939
2940         if (priv->ResetProgress == RESET_TYPE_NORESET)
2941                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2942         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2943                 CamResetAllEntry(dev);
2944                 SECR_value |= SCR_TxEncEnable;
2945                 SECR_value |= SCR_RxDecEnable;
2946                 SECR_value |= SCR_NoSKMC;
2947                 write_nic_byte(dev, SECR, SECR_value);
2948         }
2949
2950         /* Beacon related */
2951         write_nic_word(dev, ATIMWND, 2);
2952         write_nic_word(dev, BCN_INTERVAL, 100);
2953
2954 #define DEFAULT_EDCA 0x005e4332
2955         {
2956                 int i;
2957
2958                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2959                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2960         }
2961
2962         rtl8192_phy_configmac(dev);
2963
2964         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2965                 rtl8192_phy_getTxPower(dev);
2966                 rtl8192_phy_setTxPower(dev, priv->chan);
2967         }
2968
2969         /* Firmware download */
2970         init_status = init_firmware(dev);
2971         if (!init_status) {
2972                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2973                          __func__);
2974                 return init_status;
2975         }
2976         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2977
2978 #ifdef TO_DO_LIST
2979         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2980                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2981                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2982                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2983                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2984                         /* Those actions will be discard in MgntActSet_RF_State
2985                          * because of the same state
2986                          */
2987                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2988                                 PHY_SetRFReg(Adapter,
2989                                              (RF90_RADIO_PATH_E)eRFPath,
2990                                              0x4, 0xC00, 0x0);
2991                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2992                         /* H/W or S/W RF OFF before sleep. */
2993                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2994                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2995                                   pMgntInfo->RfOffReason));
2996                         MgntActSet_RF_State(Adapter,
2997                                             eRfOff,
2998                                             pMgntInfo->RfOffReason);
2999                 } else {
3000                         pHalData->eRFPowerState = eRfOn;
3001                         pMgntInfo->RfOffReason = 0;
3002                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
3003                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
3004                 }
3005         } else {
3006                 if (pHalData->eRFPowerState == eRfOff) {
3007                         MgntActSet_RF_State(Adapter,
3008                                             eRfOff,
3009                                             pMgntInfo->RfOffReason);
3010                         /* Those actions will be discard in MgntActSet_RF_State
3011                          * because of the same state
3012                          */
3013                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
3014                                 PHY_SetRFReg(Adapter,
3015                                              (RF90_RADIO_PATH_E)eRFPath,
3016                                              0x4, 0xC00, 0x0);
3017                 }
3018         }
3019 #endif
3020         /* config RF. */
3021         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3022                 rtl8192_phy_RFConfig(dev);
3023                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
3024         }
3025
3026
3027         if (priv->ieee80211->FwRWRF)
3028                 /* We can force firmware to do RF-R/W */
3029                 priv->Rf_Mode = RF_OP_By_FW;
3030         else
3031                 priv->Rf_Mode = RF_OP_By_SW_3wire;
3032
3033
3034         rtl8192_phy_updateInitGain(dev);
3035         /*--set CCK and OFDM Block "ON"--*/
3036         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3037         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3038
3039         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3040                 /* if D or C cut */
3041                 u8 tmpvalue;
3042
3043                 read_nic_byte(dev, 0x301, &tmpvalue);
3044                 if (tmpvalue == 0x03) {
3045                         priv->bDcut = true;
3046                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3047                 } else {
3048                         priv->bDcut = false;
3049                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3050                 }
3051                 dm_initialize_txpower_tracking(dev);
3052
3053                 if (priv->bDcut) {
3054                         u32 i, TempCCk;
3055                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3056                                                          rOFDM0_XATxIQImbalance,
3057                                                          bMaskDWord);
3058
3059                         for (i = 0; i < TxBBGainTableLength; i++) {
3060                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3061                                         priv->rfa_txpowertrackingindex = (u8)i;
3062                                         priv->rfa_txpowertrackingindex_real =
3063                                                 (u8)i;
3064                                         priv->rfa_txpowertracking_default =
3065                                                 priv->rfa_txpowertrackingindex;
3066                                         break;
3067                                 }
3068                         }
3069
3070                         TempCCk = rtl8192_QueryBBReg(dev,
3071                                                      rCCK0_TxFilter1,
3072                                                      bMaskByte2);
3073
3074                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3075                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3076                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3077                                         break;
3078                                 }
3079                         }
3080                         priv->cck_present_attentuation_40Mdefault = 0;
3081                         priv->cck_present_attentuation_difference = 0;
3082                         priv->cck_present_attentuation =
3083                                 priv->cck_present_attentuation_20Mdefault;
3084                 }
3085         }
3086         write_nic_byte(dev, 0x87, 0x0);
3087
3088
3089         return init_status;
3090 }
3091
3092 /* this configures registers for beacon tx and enables it via
3093  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3094  * be used to stop beacon transmission
3095  */
3096 /***************************************************************************
3097     -------------------------------NET STUFF---------------------------
3098 ***************************************************************************/
3099
3100 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3101 {
3102         struct r8192_priv *priv = ieee80211_priv(dev);
3103
3104         return &priv->ieee80211->stats;
3105 }
3106
3107 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3108 {
3109         struct r8192_priv *priv = ieee80211_priv(dev);
3110         u16             RegTxCounter;
3111         bool            bStuck = false;
3112
3113         read_nic_word(dev, 0x128, &RegTxCounter);
3114         RT_TRACE(COMP_RESET,
3115                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3116                  RegTxCounter, priv->TxCounter);
3117         if (priv->TxCounter == RegTxCounter)
3118                 bStuck = true;
3119
3120         priv->TxCounter = RegTxCounter;
3121
3122         return bStuck;
3123 }
3124
3125 /*
3126 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3127 *       First added: 2006.11.19 by emily
3128 */
3129 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3130 {
3131         struct r8192_priv *priv = ieee80211_priv(dev);
3132         u8                      QueueID;
3133         bool                    bCheckFwTxCnt = false;
3134
3135         /* Decide such threshold according to current power save mode */
3136
3137         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3138                 if (QueueID == TXCMD_QUEUE)
3139                         continue;
3140                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3141                         continue;
3142
3143                 bCheckFwTxCnt = true;
3144         }
3145         if (bCheckFwTxCnt) {
3146                 if (HalTxCheckStuck819xUsb(dev)) {
3147                         RT_TRACE(COMP_RESET,
3148                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3149                         return RESET_TYPE_SILENT;
3150                 }
3151         }
3152         return RESET_TYPE_NORESET;
3153 }
3154
3155 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3156 {
3157         u16     RegRxCounter;
3158         struct r8192_priv *priv = ieee80211_priv(dev);
3159         bool bStuck = false;
3160         static u8       rx_chk_cnt;
3161
3162         read_nic_word(dev, 0x130, &RegRxCounter);
3163         RT_TRACE(COMP_RESET,
3164                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3165                  RegRxCounter, priv->RxCounter);
3166         /* If rssi is small, we should check rx for long time because of bad rx.
3167          * or maybe it will continuous silent reset every 2 seconds.
3168          */
3169         rx_chk_cnt++;
3170         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3171                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3172         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3173                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3174                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3175                 if (rx_chk_cnt < 2)
3176                         return bStuck;
3177
3178                 rx_chk_cnt = 0;
3179         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3180                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3181                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3182                 if (rx_chk_cnt < 4)
3183                         return bStuck;
3184
3185                 rx_chk_cnt = 0;
3186         } else {
3187                 if (rx_chk_cnt < 8)
3188                         return bStuck;
3189
3190                 rx_chk_cnt = 0;
3191         }
3192
3193         if (priv->RxCounter == RegRxCounter)
3194                 bStuck = true;
3195
3196         priv->RxCounter = RegRxCounter;
3197
3198         return bStuck;
3199 }
3200
3201 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3202 {
3203         struct r8192_priv *priv = ieee80211_priv(dev);
3204         bool        bRxCheck = false;
3205
3206         if (priv->IrpPendingCount > 1)
3207                 bRxCheck = true;
3208
3209         if (bRxCheck) {
3210                 if (HalRxCheckStuck819xUsb(dev)) {
3211                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3212                         return RESET_TYPE_SILENT;
3213                 }
3214         }
3215         return RESET_TYPE_NORESET;
3216 }
3217
3218
3219 /**
3220  * This function is called by Checkforhang to check whether we should
3221  * ask OS to reset driver
3222  *
3223  * \param pAdapter      The adapter context for this miniport
3224  *
3225  * Note:NIC with USB interface sholud not call this function because we
3226  * cannot scan descriptor to judge whether there is tx stuck.
3227  * Note: This function may be required to be rewrite for Vista OS.
3228  * <<<Assumption: Tx spinlock has been acquired >>>
3229  *
3230  * 8185 and 8185b does not implement this function.
3231  */
3232 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3233 {
3234         struct r8192_priv *priv = ieee80211_priv(dev);
3235         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3236         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3237         RT_RF_POWER_STATE       rfState;
3238
3239         rfState = priv->ieee80211->eRFPowerState;
3240
3241         TxResetType = TxCheckStuck(dev);
3242         if (rfState != eRfOff ||
3243             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3244                 /* If driver is in the status of firmware download failure,
3245                  * driver skips RF initialization and RF is in turned off
3246                  * state. Driver should check whether Rx stuck and do silent
3247                  * reset. And if driver is in firmware download failure status,
3248                  * driver should initialize RF in the following silent reset
3249                  * procedure
3250                  *
3251                  * Driver should not check RX stuck in IBSS mode because it is
3252                  * required to set Check BSSID in order to send beacon,
3253                  * however, if check BSSID is set, STA cannot hear any packet
3254                  * at all.
3255                  */
3256                 RxResetType = RxCheckStuck(dev);
3257         }
3258         if (TxResetType == RESET_TYPE_NORMAL ||
3259             RxResetType == RESET_TYPE_NORMAL) {
3260                 return RESET_TYPE_NORMAL;
3261         } else if (TxResetType == RESET_TYPE_SILENT ||
3262                    RxResetType == RESET_TYPE_SILENT) {
3263                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3264                 return RESET_TYPE_SILENT;
3265         } else {
3266                 return RESET_TYPE_NORESET;
3267         }
3268 }
3269
3270 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3271 static int _rtl8192_up(struct net_device *dev);
3272 static int rtl8192_close(struct net_device *dev);
3273
3274
3275
3276 static void CamRestoreAllEntry(struct net_device *dev)
3277 {
3278         u8 EntryId = 0;
3279         struct r8192_priv *priv = ieee80211_priv(dev);
3280         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3281
3282         static u8       CAM_CONST_ADDR[4][6] = {
3283                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3284                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3285                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3286                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3287         static u8       CAM_CONST_BROAD[] = {
3288                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3289
3290         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3291
3292
3293         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3294             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3295                 for (EntryId = 0; EntryId < 4; EntryId++) {
3296                         MacAddr = CAM_CONST_ADDR[EntryId];
3297                         setKey(dev, EntryId, EntryId,
3298                                priv->ieee80211->pairwise_key_type,
3299                                MacAddr, 0, NULL);
3300                 }
3301
3302         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3303                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3304                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3305                                (u8 *)dev->dev_addr, 0, NULL);
3306                 else
3307                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3308                                MacAddr, 0, NULL);
3309         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3310                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3311                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3312                                (u8 *)dev->dev_addr, 0, NULL);
3313                 else
3314                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3315                                MacAddr, 0, NULL);
3316         }
3317
3318
3319
3320         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3321                 MacAddr = CAM_CONST_BROAD;
3322                 for (EntryId = 1; EntryId < 4; EntryId++) {
3323                         setKey(dev, EntryId, EntryId,
3324                                priv->ieee80211->group_key_type,
3325                                MacAddr, 0, NULL);
3326                 }
3327                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3328                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3329                                CAM_CONST_ADDR[0], 0, NULL);
3330         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3331                 MacAddr = CAM_CONST_BROAD;
3332                 for (EntryId = 1; EntryId < 4; EntryId++) {
3333                         setKey(dev, EntryId, EntryId,
3334                                priv->ieee80211->group_key_type,
3335                                MacAddr, 0, NULL);
3336                 }
3337
3338                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3339                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3340                                CAM_CONST_ADDR[0], 0, NULL);
3341         }
3342 }
3343
3344 /* This function is used to fix Tx/Rx stop bug temporarily.
3345  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3346  * The method checking Tx/Rx stuck of this function is supported by FW,
3347  * which reports Tx and Rx counter to register 0x128 and 0x130.
3348  */
3349 static void rtl819x_ifsilentreset(struct net_device *dev)
3350 {
3351         struct r8192_priv *priv = ieee80211_priv(dev);
3352         u8      reset_times = 0;
3353         int reset_status = 0;
3354         struct ieee80211_device *ieee = priv->ieee80211;
3355
3356
3357         /* If we need to check CCK stop, please uncomment this line. */
3358         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3359
3360         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3361 RESET_START:
3362
3363                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3364
3365                 /* Set the variable for reset. */
3366                 priv->ResetProgress = RESET_TYPE_SILENT;
3367                 mutex_lock(&priv->wx_mutex);
3368                 if (priv->up == 0) {
3369                         RT_TRACE(COMP_ERR,
3370                                  "%s():the driver is not up! return\n",
3371                                  __func__);
3372                         mutex_unlock(&priv->wx_mutex);
3373                         return;
3374                 }
3375                 priv->up = 0;
3376                 RT_TRACE(COMP_RESET,
3377                          "%s():======>start to down the driver\n",
3378                          __func__);
3379
3380                 rtl8192_rtx_disable(dev);
3381                 rtl8192_cancel_deferred_work(priv);
3382                 deinit_hal_dm(dev);
3383                 del_timer_sync(&priv->watch_dog_timer);
3384
3385                 ieee->sync_scan_hurryup = 1;
3386                 if (ieee->state == IEEE80211_LINKED) {
3387                         mutex_lock(&ieee->wx_mutex);
3388                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3389                         ieee80211_stop_send_beacons(priv->ieee80211);
3390                         del_timer_sync(&ieee->associate_timer);
3391                         cancel_delayed_work(&ieee->associate_retry_wq);
3392                         ieee80211_stop_scan(ieee);
3393                         netif_carrier_off(dev);
3394                         mutex_unlock(&ieee->wx_mutex);
3395                 } else {
3396                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3397                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3398                 }
3399                 mutex_unlock(&priv->wx_mutex);
3400                 RT_TRACE(COMP_RESET,
3401                          "%s():<==========down process is finished\n",
3402                          __func__);
3403                 RT_TRACE(COMP_RESET,
3404                          "%s():===========>start up the driver\n",
3405                          __func__);
3406                 reset_status = _rtl8192_up(dev);
3407
3408                 RT_TRACE(COMP_RESET,
3409                          "%s():<===========up process is finished\n",
3410                          __func__);
3411                 if (reset_status == -EAGAIN) {
3412                         if (reset_times < 3) {
3413                                 reset_times++;
3414                                 goto RESET_START;
3415                         } else {
3416                                 RT_TRACE(COMP_ERR,
3417                                          " ERR!!! %s():  Reset Failed!!\n",
3418                                          __func__);
3419                         }
3420                 }
3421                 ieee->is_silent_reset = 1;
3422                 EnableHWSecurityConfig8192(dev);
3423                 if (ieee->state == IEEE80211_LINKED &&
3424                     ieee->iw_mode == IW_MODE_INFRA) {
3425                         ieee->set_chan(ieee->dev,
3426                                        ieee->current_network.channel);
3427
3428                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3429
3430                 } else if (ieee->state == IEEE80211_LINKED &&
3431                            ieee->iw_mode == IW_MODE_ADHOC) {
3432                         ieee->set_chan(ieee->dev,
3433                                        ieee->current_network.channel);
3434                         ieee->link_change(ieee->dev);
3435
3436                         ieee80211_start_send_beacons(ieee);
3437
3438                         if (ieee->data_hard_resume)
3439                                 ieee->data_hard_resume(ieee->dev);
3440                         netif_carrier_on(ieee->dev);
3441                 }
3442
3443                 CamRestoreAllEntry(dev);
3444
3445                 priv->ResetProgress = RESET_TYPE_NORESET;
3446                 priv->reset_count++;
3447
3448                 priv->bForcedSilentReset = false;
3449                 priv->bResetInProgress = false;
3450
3451                 /* For test --> force write UFWP. */
3452                 write_nic_byte(dev, UFWP, 1);
3453                 RT_TRACE(COMP_RESET,
3454                          "Reset finished!! ====>[%d]\n",
3455                          priv->reset_count);
3456         }
3457 }
3458
3459 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3460                              u32 *TotalRxDataNum)
3461 {
3462         u16                     SlotIndex;
3463         u8                      i;
3464
3465         *TotalRxBcnNum = 0;
3466         *TotalRxDataNum = 0;
3467
3468         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3469                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3470         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3471                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3472         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3473                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3474         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3475                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3476                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3477         }
3478 }
3479
3480
3481 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3482 {
3483         struct delayed_work *dwork = to_delayed_work(work);
3484         struct r8192_priv *priv = container_of(dwork,
3485                                                struct r8192_priv, watch_dog_wq);
3486         struct net_device *dev = priv->ieee80211->dev;
3487         struct ieee80211_device *ieee = priv->ieee80211;
3488         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3489         static u8       check_reset_cnt;
3490         bool bBusyTraffic = false;
3491         u32     TotalRxBcnNum = 0;
3492         u32     TotalRxDataNum = 0;
3493
3494         if (!priv->up)
3495                 return;
3496         hal_dm_watchdog(dev);
3497
3498         /* to get busy traffic condition */
3499         if (ieee->state == IEEE80211_LINKED) {
3500                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3501                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3502                         bBusyTraffic = true;
3503                 }
3504                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3505                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3506                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3507         }
3508         /* for AP roaming */
3509         if (priv->ieee80211->state == IEEE80211_LINKED &&
3510             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3511                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3512                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3513 #ifdef TODO
3514                         if (rfState == eRfOff)
3515                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3516 #endif
3517                         netdev_dbg(dev,
3518                                    "===>%s(): AP is power off, connect another one\n",
3519                                    __func__);
3520                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3521                         notify_wx_assoc_event(priv->ieee80211);
3522                         RemovePeerTS(priv->ieee80211,
3523                                      priv->ieee80211->current_network.bssid);
3524                         priv->ieee80211->link_change(dev);
3525                         queue_work(priv->ieee80211->wq,
3526                                    &priv->ieee80211->associate_procedure_wq);
3527                 }
3528         }
3529         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3530         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3531         /* check if reset the driver */
3532         if (check_reset_cnt++ >= 3) {
3533                 ResetType = rtl819x_ifcheck_resetornot(dev);
3534                 check_reset_cnt = 3;
3535         }
3536         /* This is control by OID set in Pomelo */
3537         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3538             (priv->bForcedSilentReset ||
3539             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3540                 RT_TRACE(COMP_RESET,
3541                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3542                          __func__, priv->force_reset, priv->ResetProgress,
3543                          priv->bForcedSilentReset,
3544                          priv->bDisableNormalResetCheck, ResetType);
3545                 rtl819x_ifsilentreset(dev);
3546         }
3547         priv->force_reset = false;
3548         priv->bForcedSilentReset = false;
3549         priv->bResetInProgress = false;
3550         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3551 }
3552
3553 static void watch_dog_timer_callback(unsigned long data)
3554 {
3555         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3556
3557         schedule_delayed_work(&priv->watch_dog_wq, 0);
3558         mod_timer(&priv->watch_dog_timer,
3559                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3560 }
3561
3562 static int _rtl8192_up(struct net_device *dev)
3563 {
3564         struct r8192_priv *priv = ieee80211_priv(dev);
3565         int init_status = 0;
3566
3567         priv->up = 1;
3568         priv->ieee80211->ieee_up = 1;
3569         RT_TRACE(COMP_INIT, "Bringing up iface");
3570         init_status = rtl8192_adapter_start(dev);
3571         if (!init_status) {
3572                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3573                          __func__);
3574                 priv->up = priv->ieee80211->ieee_up = 0;
3575                 return -EAGAIN;
3576         }
3577         RT_TRACE(COMP_INIT, "start adapter finished\n");
3578         rtl8192_rx_enable(dev);
3579         if (priv->ieee80211->state != IEEE80211_LINKED)
3580                 ieee80211_softmac_start_protocol(priv->ieee80211);
3581         ieee80211_reset_queue(priv->ieee80211);
3582         watch_dog_timer_callback((unsigned long)dev);
3583         if (!netif_queue_stopped(dev))
3584                 netif_start_queue(dev);
3585         else
3586                 netif_wake_queue(dev);
3587
3588         return 0;
3589 }
3590
3591
3592 static int rtl8192_open(struct net_device *dev)
3593 {
3594         struct r8192_priv *priv = ieee80211_priv(dev);
3595         int ret;
3596
3597         mutex_lock(&priv->wx_mutex);
3598         ret = rtl8192_up(dev);
3599         mutex_unlock(&priv->wx_mutex);
3600         return ret;
3601 }
3602
3603
3604 int rtl8192_up(struct net_device *dev)
3605 {
3606         struct r8192_priv *priv = ieee80211_priv(dev);
3607
3608         if (priv->up == 1)
3609                 return -1;
3610
3611         return _rtl8192_up(dev);
3612 }
3613
3614
3615 static int rtl8192_close(struct net_device *dev)
3616 {
3617         struct r8192_priv *priv = ieee80211_priv(dev);
3618         int ret;
3619
3620         mutex_lock(&priv->wx_mutex);
3621
3622         ret = rtl8192_down(dev);
3623
3624         mutex_unlock(&priv->wx_mutex);
3625
3626         return ret;
3627 }
3628
3629 int rtl8192_down(struct net_device *dev)
3630 {
3631         struct r8192_priv *priv = ieee80211_priv(dev);
3632         int i;
3633
3634         if (priv->up == 0)
3635                 return -1;
3636
3637         priv->up = 0;
3638         priv->ieee80211->ieee_up = 0;
3639         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3640         /* FIXME */
3641         if (!netif_queue_stopped(dev))
3642                 netif_stop_queue(dev);
3643
3644         rtl8192_rtx_disable(dev);
3645
3646         /* Tx related queue release */
3647         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3648                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3649         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3650                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3651
3652         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3653                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3654
3655         /* as cancel_delayed_work will del work->timer, so if work is not
3656          * defined as struct delayed_work, it will corrupt
3657          */
3658         rtl8192_cancel_deferred_work(priv);
3659         deinit_hal_dm(dev);
3660         del_timer_sync(&priv->watch_dog_timer);
3661
3662
3663         ieee80211_softmac_stop_protocol(priv->ieee80211);
3664         memset(&priv->ieee80211->current_network, 0,
3665                offsetof(struct ieee80211_network, list));
3666         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3667
3668         return 0;
3669 }
3670
3671
3672 void rtl8192_commit(struct net_device *dev)
3673 {
3674         struct r8192_priv *priv = ieee80211_priv(dev);
3675         int reset_status = 0;
3676
3677         if (priv->up == 0)
3678                 return;
3679         priv->up = 0;
3680
3681         rtl8192_cancel_deferred_work(priv);
3682         del_timer_sync(&priv->watch_dog_timer);
3683
3684         ieee80211_softmac_stop_protocol(priv->ieee80211);
3685
3686         rtl8192_rtx_disable(dev);
3687         reset_status = _rtl8192_up(dev);
3688 }
3689
3690 static void rtl8192_restart(struct work_struct *work)
3691 {
3692         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3693                                                reset_wq);
3694         struct net_device *dev = priv->ieee80211->dev;
3695
3696         mutex_lock(&priv->wx_mutex);
3697
3698         rtl8192_commit(dev);
3699
3700         mutex_unlock(&priv->wx_mutex);
3701 }
3702
3703 static void r8192_set_multicast(struct net_device *dev)
3704 {
3705         struct r8192_priv *priv = ieee80211_priv(dev);
3706         short promisc;
3707
3708         /* FIXME FIXME */
3709
3710         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3711
3712         if (promisc != priv->promisc)
3713
3714                 priv->promisc = promisc;
3715 }
3716
3717
3718 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3719 {
3720         struct r8192_priv *priv = ieee80211_priv(dev);
3721         struct sockaddr *addr = mac;
3722
3723         mutex_lock(&priv->wx_mutex);
3724
3725         ether_addr_copy(dev->dev_addr, addr->sa_data);
3726
3727         schedule_work(&priv->reset_wq);
3728         mutex_unlock(&priv->wx_mutex);
3729
3730         return 0;
3731 }
3732
3733 /* based on ipw2200 driver */
3734 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3735 {
3736         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3737         struct iwreq *wrq = (struct iwreq *)rq;
3738         int ret = -1;
3739         struct ieee80211_device *ieee = priv->ieee80211;
3740         u32 key[4];
3741         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3742         struct iw_point *p = &wrq->u.data;
3743         struct ieee_param *ipw = NULL;
3744
3745         mutex_lock(&priv->wx_mutex);
3746
3747
3748         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3749                 ret = -EINVAL;
3750                 goto out;
3751         }
3752
3753         ipw = memdup_user(p->pointer, p->length);
3754         if (IS_ERR(ipw)) {
3755                 ret = PTR_ERR(ipw);
3756                 goto out;
3757         }
3758
3759         switch (cmd) {
3760         case RTL_IOCTL_WPA_SUPPLICANT:
3761                 /* parse here for HW security */
3762                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3763                         if (ipw->u.crypt.set_tx) {
3764                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3765                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3766                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3767                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3768                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3769                                         if (ipw->u.crypt.key_len == 13)
3770                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3771                                         else if (ipw->u.crypt.key_len == 5)
3772                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3773                                 } else {
3774                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3775                                 }
3776
3777                                 if (ieee->pairwise_key_type) {
3778                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3779                                         EnableHWSecurityConfig8192(dev);
3780                                         /* We fill both index entry and 4th
3781                                          * entry for pairwise key as in IPW
3782                                          * interface, adhoc will only get here,
3783                                          * so we need index entry for its
3784                                          * default key serching!
3785                                          */
3786                                         setKey(dev, 4, ipw->u.crypt.idx,
3787                                                ieee->pairwise_key_type,
3788                                                (u8 *)ieee->ap_mac_addr,
3789                                                0, key);
3790                                         if (ieee->auth_mode != 2)
3791                                                 setKey(dev, ipw->u.crypt.idx,
3792                                                        ipw->u.crypt.idx,
3793                                                        ieee->pairwise_key_type,
3794                                                        (u8 *)ieee->ap_mac_addr,
3795                                                        0, key);
3796                                 }
3797                         } else {
3798                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3799                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3800                                         ieee->group_key_type = KEY_TYPE_CCMP;
3801                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3802                                         ieee->group_key_type = KEY_TYPE_TKIP;
3803                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3804                                         if (ipw->u.crypt.key_len == 13)
3805                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3806                                         else if (ipw->u.crypt.key_len == 5)
3807                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3808                                 } else {
3809                                         ieee->group_key_type = KEY_TYPE_NA;
3810                                 }
3811
3812                                 if (ieee->group_key_type) {
3813                                         setKey(dev, ipw->u.crypt.idx,
3814                                                /* KeyIndex */
3815                                                ipw->u.crypt.idx,
3816                                                /* KeyType */
3817                                                ieee->group_key_type,
3818                                                /* MacAddr */
3819                                                broadcast_addr,
3820                                                /* DefaultKey */
3821                                                0,
3822                                                /* KeyContent */
3823                                                key);
3824                                 }
3825                         }
3826                 }
3827                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3828                                                      &wrq->u.data);
3829                 break;
3830
3831         default:
3832                 ret = -EOPNOTSUPP;
3833                 break;
3834         }
3835         kfree(ipw);
3836         ipw = NULL;
3837 out:
3838         mutex_unlock(&priv->wx_mutex);
3839         return ret;
3840 }
3841
3842 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3843 {
3844         u8  ret_rate = 0xff;
3845
3846         if (!bIsHT) {
3847                 switch (rate) {
3848                 case DESC90_RATE1M:
3849                         ret_rate = MGN_1M;
3850                         break;
3851                 case DESC90_RATE2M:
3852                         ret_rate = MGN_2M;
3853                         break;
3854                 case DESC90_RATE5_5M:
3855                         ret_rate = MGN_5_5M;
3856                         break;
3857                 case DESC90_RATE11M:
3858                         ret_rate = MGN_11M;
3859                         break;
3860                 case DESC90_RATE6M:
3861                         ret_rate = MGN_6M;
3862                         break;
3863                 case DESC90_RATE9M:
3864                         ret_rate = MGN_9M;
3865                         break;
3866                 case DESC90_RATE12M:
3867                         ret_rate = MGN_12M;
3868                         break;
3869                 case DESC90_RATE18M:
3870                         ret_rate = MGN_18M;
3871                         break;
3872                 case DESC90_RATE24M:
3873                         ret_rate = MGN_24M;
3874                         break;
3875                 case DESC90_RATE36M:
3876                         ret_rate = MGN_36M;
3877                         break;
3878                 case DESC90_RATE48M:
3879                         ret_rate = MGN_48M;
3880                         break;
3881                 case DESC90_RATE54M:
3882                         ret_rate = MGN_54M;
3883                         break;
3884
3885                 default:
3886                         ret_rate = 0xff;
3887                         RT_TRACE(COMP_RECV,
3888                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3889                                  rate, bIsHT);
3890                         break;
3891                 }
3892
3893         } else {
3894                 switch (rate) {
3895                 case DESC90_RATEMCS0:
3896                         ret_rate = MGN_MCS0;
3897                         break;
3898                 case DESC90_RATEMCS1:
3899                         ret_rate = MGN_MCS1;
3900                         break;
3901                 case DESC90_RATEMCS2:
3902                         ret_rate = MGN_MCS2;
3903                         break;
3904                 case DESC90_RATEMCS3:
3905                         ret_rate = MGN_MCS3;
3906                         break;
3907                 case DESC90_RATEMCS4:
3908                         ret_rate = MGN_MCS4;
3909                         break;
3910                 case DESC90_RATEMCS5:
3911                         ret_rate = MGN_MCS5;
3912                         break;
3913                 case DESC90_RATEMCS6:
3914                         ret_rate = MGN_MCS6;
3915                         break;
3916                 case DESC90_RATEMCS7:
3917                         ret_rate = MGN_MCS7;
3918                         break;
3919                 case DESC90_RATEMCS8:
3920                         ret_rate = MGN_MCS8;
3921                         break;
3922                 case DESC90_RATEMCS9:
3923                         ret_rate = MGN_MCS9;
3924                         break;
3925                 case DESC90_RATEMCS10:
3926                         ret_rate = MGN_MCS10;
3927                         break;
3928                 case DESC90_RATEMCS11:
3929                         ret_rate = MGN_MCS11;
3930                         break;
3931                 case DESC90_RATEMCS12:
3932                         ret_rate = MGN_MCS12;
3933                         break;
3934                 case DESC90_RATEMCS13:
3935                         ret_rate = MGN_MCS13;
3936                         break;
3937                 case DESC90_RATEMCS14:
3938                         ret_rate = MGN_MCS14;
3939                         break;
3940                 case DESC90_RATEMCS15:
3941                         ret_rate = MGN_MCS15;
3942                         break;
3943                 case DESC90_RATEMCS32:
3944                         ret_rate = 0x80 | 0x20;
3945                         break;
3946
3947                 default:
3948                         ret_rate = 0xff;
3949                         RT_TRACE(COMP_RECV,
3950                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3951                                  rate, bIsHT);
3952                         break;
3953                 }
3954         }
3955
3956         return ret_rate;
3957 }
3958
3959 /**
3960  * Function:     UpdateRxPktTimeStamp
3961  * Overview:     Record the TSF time stamp when receiving a packet
3962  *
3963  * Input:
3964  *       PADAPTER        Adapter
3965  *       PRT_RFD         pRfd,
3966  *
3967  * Output:
3968  *       PRT_RFD         pRfd
3969  *                               (pRfd->Status.TimeStampHigh is updated)
3970  *                               (pRfd->Status.TimeStampLow is updated)
3971  * Return:
3972  *               None
3973  */
3974 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3975                                      struct ieee80211_rx_stats *stats)
3976 {
3977         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3978
3979         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3980                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3981                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3982         } else {
3983                 priv->LastRxDescTSFLow = stats->mac_time[0];
3984                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3985         }
3986 }
3987
3988 /* 0-100 index. */
3989 static long rtl819x_translate_todbm(u8 signal_strength_index)
3990 {
3991         long    signal_power; /* in dBm. */
3992
3993         /* Translate to dBm (x=0.5y-95). */
3994         signal_power = (long)((signal_strength_index + 1) >> 1);
3995         signal_power -= 95;
3996
3997         return signal_power;
3998 }
3999
4000
4001 /* We can not declare RSSI/EVM total value of sliding window to
4002  * be a local static. Otherwise, it may increase when we return from S3/S4. The
4003  * value will be kept in memory or disk. Declare the value in the adaptor
4004  * and it will be reinitialized when returned from S3/S4.
4005  */
4006 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
4007                                     struct ieee80211_rx_stats *pprevious_stats,
4008                                     struct ieee80211_rx_stats *pcurrent_stats)
4009 {
4010         bool bcheck = false;
4011         u8      rfpath;
4012         u32     nspatial_stream, tmp_val;
4013         static u32 slide_rssi_index, slide_rssi_statistics;
4014         static u32 slide_evm_index, slide_evm_statistics;
4015         static u32 last_rssi, last_evm;
4016
4017         static u32 slide_beacon_adc_pwdb_index;
4018         static u32 slide_beacon_adc_pwdb_statistics;
4019         static u32 last_beacon_adc_pwdb;
4020
4021         struct rtl_80211_hdr_3addr *hdr;
4022         u16 sc;
4023         unsigned int frag, seq;
4024
4025         hdr = (struct rtl_80211_hdr_3addr *)buffer;
4026         sc = le16_to_cpu(hdr->seq_ctl);
4027         frag = WLAN_GET_SEQ_FRAG(sc);
4028         seq = WLAN_GET_SEQ_SEQ(sc);
4029         /* to record the sequence number */
4030         pcurrent_stats->Seq_Num = seq;
4031
4032         /* Check whether we should take the previous packet into accounting */
4033         if (!pprevious_stats->bIsAMPDU) {
4034                 /* if previous packet is not aggregated packet */
4035                 bcheck = true;
4036         }
4037
4038         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4039                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4040                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4041                 priv->stats.slide_rssi_total -= last_rssi;
4042         }
4043         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4044
4045         priv->stats.slide_signal_strength[slide_rssi_index++] =
4046                 pprevious_stats->SignalStrength;
4047         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4048                 slide_rssi_index = 0;
4049
4050         /* <1> Showed on UI for user, in dbm */
4051         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4052         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4053         pcurrent_stats->rssi = priv->stats.signal_strength;
4054
4055         /* If the previous packet does not match the criteria, neglect it */
4056         if (!pprevious_stats->bPacketMatchBSSID) {
4057                 if (!pprevious_stats->bToSelfBA)
4058                         return;
4059         }
4060
4061         if (!bcheck)
4062                 return;
4063
4064
4065         /* only rtl8190 supported
4066          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4067          */
4068
4069         /* Check RSSI */
4070         priv->stats.num_process_phyinfo++;
4071
4072         /* record the general signal strength to the sliding window. */
4073
4074
4075         /* <2> Showed on UI for engineering
4076          * hardware does not provide rssi information for each rf path in CCK
4077          */
4078         if (!pprevious_stats->bIsCCK &&
4079             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4080                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4081                         if (!rtl8192_phy_CheckIsLegalRFPath(
4082                                         priv->ieee80211->dev, rfpath))
4083                                 continue;
4084
4085                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4086                                 priv->stats.rx_rssi_percentage[rfpath] =
4087                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4088                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4089                                 priv->stats.rx_rssi_percentage[rfpath] =
4090                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4091                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4092                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4093                         } else {
4094                                 priv->stats.rx_rssi_percentage[rfpath] =
4095                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4096                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4097                         }
4098                         RT_TRACE(COMP_DBG,
4099                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4100                                  priv->stats.rx_rssi_percentage[rfpath]);
4101                 }
4102         }
4103
4104
4105         /* Check PWDB. */
4106         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4107                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4108                  pprevious_stats->RxPWDBAll);
4109
4110         if (pprevious_stats->bPacketBeacon) {
4111                 /* record the beacon pwdb to the sliding window. */
4112                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4113                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4114                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4115                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4116                 }
4117                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4118                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4119                 slide_beacon_adc_pwdb_index++;
4120                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4121                         slide_beacon_adc_pwdb_index = 0;
4122                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4123                 if (pprevious_stats->RxPWDBAll >= 3)
4124                         pprevious_stats->RxPWDBAll -= 3;
4125         }
4126
4127         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4128                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4129                  pprevious_stats->RxPWDBAll);
4130
4131
4132         if (pprevious_stats->bPacketToSelf ||
4133             pprevious_stats->bPacketBeacon ||
4134             pprevious_stats->bToSelfBA) {
4135                 if (priv->undecorated_smoothed_pwdb < 0)
4136                         /* initialize */
4137                         priv->undecorated_smoothed_pwdb =
4138                                 pprevious_stats->RxPWDBAll;
4139                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4140                         priv->undecorated_smoothed_pwdb =
4141                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4142                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4143                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4144                 } else {
4145                         priv->undecorated_smoothed_pwdb =
4146                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4147                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4148                 }
4149         }
4150
4151         /* Check EVM */
4152         /* record the general EVM to the sliding window. */
4153         if (pprevious_stats->SignalQuality) {
4154                 if (pprevious_stats->bPacketToSelf ||
4155                     pprevious_stats->bPacketBeacon ||
4156                     pprevious_stats->bToSelfBA) {
4157                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4158                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4159                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4160                                 priv->stats.slide_evm_total -= last_evm;
4161                         }
4162
4163                         priv->stats.slide_evm_total +=
4164                                 pprevious_stats->SignalQuality;
4165
4166                         priv->stats.slide_evm[slide_evm_index++] =
4167                                 pprevious_stats->SignalQuality;
4168                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4169                                 slide_evm_index = 0;
4170
4171                         /* <1> Showed on UI for user, in percentage. */
4172                         tmp_val = priv->stats.slide_evm_total /
4173                                   slide_evm_statistics;
4174                         priv->stats.signal_quality = tmp_val;
4175                         /* Showed on UI for user in Windows Vista,
4176                          * for Link quality.
4177                          */
4178                         priv->stats.last_signal_strength_inpercent = tmp_val;
4179                 }
4180
4181                 /* <2> Showed on UI for engineering */
4182                 if (pprevious_stats->bPacketToSelf ||
4183                     pprevious_stats->bPacketBeacon ||
4184                     pprevious_stats->bToSelfBA) {
4185                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4186                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4187                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4188                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4189                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4190                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4191                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4192                                 }
4193                         }
4194                 }
4195         }
4196 }
4197
4198 /*-----------------------------------------------------------------------------
4199  * Function:    rtl819x_query_rxpwrpercentage()
4200  *
4201  * Overview:
4202  *
4203  * Input:               char            antpower
4204  *
4205  * Output:              NONE
4206  *
4207  * Return:              0-100 percentage
4208  *---------------------------------------------------------------------------*/
4209 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4210 {
4211         if ((antpower <= -100) || (antpower >= 20))
4212                 return  0;
4213         else if (antpower >= 0)
4214                 return  100;
4215         else
4216                 return  100 + antpower;
4217
4218 }       /* QueryRxPwrPercentage */
4219
4220 static u8 rtl819x_evm_dbtopercentage(s8 value)
4221 {
4222         s8 ret_val;
4223
4224         ret_val = value;
4225
4226         if (ret_val >= 0)
4227                 ret_val = 0;
4228         if (ret_val <= -33)
4229                 ret_val = -33;
4230         ret_val = 0 - ret_val;
4231         ret_val *= 3;
4232         if (ret_val == 99)
4233                 ret_val = 100;
4234         return ret_val;
4235 }
4236
4237 /* We want good-looking for signal strength/quality */
4238 static long rtl819x_signal_scale_mapping(long currsig)
4239 {
4240         long retsig;
4241
4242         /* Step 1. Scale mapping. */
4243         if (currsig >= 61 && currsig <= 100)
4244                 retsig = 90 + ((currsig - 60) / 4);
4245         else if (currsig >= 41 && currsig <= 60)
4246                 retsig = 78 + ((currsig - 40) / 2);
4247         else if (currsig >= 31 && currsig <= 40)
4248                 retsig = 66 + (currsig - 30);
4249         else if (currsig >= 21 && currsig <= 30)
4250                 retsig = 54 + (currsig - 20);
4251         else if (currsig >= 5 && currsig <= 20)
4252                 retsig = 42 + (((currsig - 5) * 2) / 3);
4253         else if (currsig == 4)
4254                 retsig = 36;
4255         else if (currsig == 3)
4256                 retsig = 27;
4257         else if (currsig == 2)
4258                 retsig = 18;
4259         else if (currsig == 1)
4260                 retsig = 9;
4261         else
4262                 retsig = currsig;
4263
4264         return retsig;
4265 }
4266
4267 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4268 {
4269         if (pdrvinfo->RxHT)
4270                 return false;
4271
4272         switch (pdrvinfo->RxRate) {
4273         case DESC90_RATE1M:
4274         case DESC90_RATE2M:
4275         case DESC90_RATE5_5M:
4276         case DESC90_RATE11M:
4277                 return true;
4278         default:
4279                 return false;
4280         }
4281 }
4282
4283 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4284                                       struct ieee80211_rx_stats *pstats,
4285                                       rx_drvinfo_819x_usb  *pdrvinfo,
4286                                       struct ieee80211_rx_stats *precord_stats,
4287                                       bool bpacket_match_bssid,
4288                                       bool bpacket_toself,
4289                                       bool bPacketBeacon,
4290                                       bool bToSelfBA)
4291 {
4292         phy_sts_ofdm_819xusb_t *pofdm_buf;
4293         phy_sts_cck_819xusb_t   *pcck_buf;
4294         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4295         u8      *prxpkt;
4296         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4297         s8      rx_pwr[4], rx_pwr_all = 0;
4298         s8      rx_snrX, rx_evmX;
4299         u8      evm, pwdb_all;
4300         u32     RSSI, total_rssi = 0;
4301         u8      is_cck_rate = 0;
4302         u8      rf_rx_num = 0;
4303         u8      sq;
4304
4305
4306         priv->stats.numqry_phystatus++;
4307
4308         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4309
4310         /* Record it for next packet processing */
4311         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4312         pstats->bPacketMatchBSSID =
4313                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4314         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4315         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4316         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4317         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4318
4319         prxpkt = (u8 *)pdrvinfo;
4320
4321         /* Move pointer to the 16th bytes. Phy status start address. */
4322         prxpkt += sizeof(rx_drvinfo_819x_usb);
4323
4324         /* Initial the cck and ofdm buffer pointer */
4325         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4326         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4327
4328         pstats->RxMIMOSignalQuality[0] = -1;
4329         pstats->RxMIMOSignalQuality[1] = -1;
4330         precord_stats->RxMIMOSignalQuality[0] = -1;
4331         precord_stats->RxMIMOSignalQuality[1] = -1;
4332
4333         if (is_cck_rate) {
4334                 /* (1)Hardware does not provide RSSI for CCK */
4335
4336                 /* (2)PWDB, Average PWDB calculated by hardware
4337                  * (for rate adaptive)
4338                  */
4339                 u8 report;
4340
4341                 priv->stats.numqry_phystatusCCK++;
4342
4343                 if (!priv->bCckHighPower) {
4344                         report = pcck_buf->cck_agc_rpt & 0xc0;
4345                         report >>= 6;
4346                         switch (report) {
4347                         case 0x3:
4348                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4349                                 break;
4350                         case 0x2:
4351                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4352                                 break;
4353                         case 0x1:
4354                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4355                                 break;
4356                         case 0x0:
4357                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4358                                 break;
4359                         }
4360                 } else {
4361                         report = pcck_buf->cck_agc_rpt & 0x60;
4362                         report >>= 5;
4363                         switch (report) {
4364                         case 0x3:
4365                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4366                                 break;
4367                         case 0x2:
4368                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4369                                 break;
4370                         case 0x1:
4371                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4372                                 break;
4373                         case 0x0:
4374                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4375                                 break;
4376                         }
4377                 }
4378
4379                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4380                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4381                 pstats->RecvSignalPower = pwdb_all;
4382
4383                 /* (3) Get Signal Quality (EVM) */
4384
4385                 if (pstats->RxPWDBAll > 40) {
4386                         sq = 100;
4387                 } else {
4388                         sq = pcck_buf->sq_rpt;
4389
4390                         if (pcck_buf->sq_rpt > 64)
4391                                 sq = 0;
4392                         else if (pcck_buf->sq_rpt < 20)
4393                                 sq = 100;
4394                         else
4395                                 sq = ((64 - sq) * 100) / 44;
4396                 }
4397                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4398                 pstats->RxMIMOSignalQuality[0] =
4399                         precord_stats->RxMIMOSignalQuality[0] = sq;
4400                 pstats->RxMIMOSignalQuality[1] =
4401                         precord_stats->RxMIMOSignalQuality[1] = -1;
4402
4403         } else {
4404                 priv->stats.numqry_phystatusHT++;
4405
4406                 /* (1)Get RSSI for HT rate */
4407                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4408                         /* We will judge RF RX path now. */
4409                         if (priv->brfpath_rxenable[i])
4410                                 rf_rx_num++;
4411                         else
4412                                 continue;
4413
4414                         if (!rtl8192_phy_CheckIsLegalRFPath(
4415                                         priv->ieee80211->dev, i))
4416                                 continue;
4417
4418                         rx_pwr[i] =
4419                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4420
4421                         /* Get Rx snr value in DB */
4422                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4423                         rx_snrX = (s8)(tmp_rxsnr);
4424                         rx_snrX /= 2;
4425                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4426
4427                         /* Translate DBM to percentage. */
4428                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4429                         total_rssi += RSSI;
4430
4431                         /* Record Signal Strength for next packet */
4432                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4433                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4434                 }
4435
4436
4437                 /* (2)PWDB, Average PWDB calculated by hardware
4438                  * (for rate adaptive)
4439                  */
4440                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4441                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4442
4443                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4444                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4445
4446                 /* (3)EVM of HT rate */
4447                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4448                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4449                         /* both spatial stream make sense */
4450                         max_spatial_stream = 2;
4451                 else
4452                         /* only spatial stream 1 makes sense */
4453                         max_spatial_stream = 1;
4454
4455                 for (i = 0; i < max_spatial_stream; i++) {
4456                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4457                         rx_evmX = (s8)(tmp_rxevm);
4458
4459                         /* Do not use shift operation like "rx_evmX >>= 1"
4460                          * because the compiler of free build environment will
4461                          * set the most significant bit to "zero" when doing
4462                          * shifting operation which may change a negative value
4463                          * to positive one, then the dbm value (which is
4464                          * supposed to be negative) is not correct anymore.
4465                          */
4466                         rx_evmX /= 2;   /* dbm */
4467
4468                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4469                         if (i == 0)
4470                                 /* Fill value in RFD, Get the first spatial
4471                                  * stream only
4472                                  */
4473                                 pstats->SignalQuality =
4474                                         precord_stats->SignalQuality =
4475                                         evm & 0xff;
4476                         pstats->RxMIMOSignalQuality[i] =
4477                                 precord_stats->RxMIMOSignalQuality[i] =
4478                                 evm & 0xff;
4479                 }
4480
4481
4482                 /* record rx statistics for debug */
4483                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4484                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4485                         &rxsc_sgien_exflg;
4486                 if (pdrvinfo->BW)       /* 40M channel */
4487                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4488                 else                    /* 20M channel */
4489                         priv->stats.received_bwtype[0]++;
4490         }
4491
4492         /* UI BSS List signal strength(in percentage), make it good looking,
4493          * from 0~100. It is assigned to the BSS List in
4494          * GetValueFromBeaconOrProbeRsp().
4495          */
4496         if (is_cck_rate) {
4497                 pstats->SignalStrength =
4498                         precord_stats->SignalStrength =
4499                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4500         } else {
4501                 /* We can judge RX path number now. */
4502                 if (rf_rx_num != 0) {
4503                         pstats->SignalStrength =
4504                                 precord_stats->SignalStrength =
4505                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4506                 }
4507         }
4508 }       /* QueryRxPhyStatus8190Pci */
4509
4510 static void rtl8192_record_rxdesc_forlateruse(
4511                 struct ieee80211_rx_stats *psrc_stats,
4512                 struct ieee80211_rx_stats *ptarget_stats)
4513 {
4514         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4515         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4516         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4517 }
4518
4519
4520 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4521                                           struct ieee80211_rx_stats *pstats,
4522                                           rx_drvinfo_819x_usb  *pdrvinfo)
4523 {
4524         /* TODO: We must only check packet for current MAC address.
4525          * Not finish
4526          */
4527         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4528         struct net_device *dev = info->dev;
4529         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4530         bool bpacket_match_bssid, bpacket_toself;
4531         bool bPacketBeacon = false, bToSelfBA = false;
4532         static struct ieee80211_rx_stats  previous_stats;
4533         struct rtl_80211_hdr_3addr *hdr;
4534         u16 fc, type;
4535
4536         /* Get Signal Quality for only RX data queue (but not command queue) */
4537
4538         u8 *tmp_buf;
4539         u8  *praddr;
4540
4541         /* Get MAC frame start address. */
4542         tmp_buf = (u8 *)skb->data;
4543
4544         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4545         fc = le16_to_cpu(hdr->frame_ctl);
4546         type = WLAN_FC_GET_TYPE(fc);
4547         praddr = hdr->addr1;
4548
4549         /* Check if the received packet is acceptable. */
4550         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4551                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4552                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4553         bpacket_toself =  bpacket_match_bssid &
4554                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4555
4556         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4557                 bPacketBeacon = true;
4558         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4559                 if ((eqMacAddr(praddr, dev->dev_addr)))
4560                         bToSelfBA = true;
4561         }
4562
4563
4564
4565         if (bpacket_match_bssid)
4566                 priv->stats.numpacket_matchbssid++;
4567         if (bpacket_toself)
4568                 priv->stats.numpacket_toself++;
4569         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4570          * Because phy information is contained in the last packet of AMPDU
4571          * only, so driver should process phy information of previous packet
4572          */
4573         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4574         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4575                                   bpacket_match_bssid, bpacket_toself,
4576                                   bPacketBeacon, bToSelfBA);
4577         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4578 }
4579
4580 /**
4581 * Function:     UpdateReceivedRateHistogramStatistics
4582 * Overview:     Record the received data rate
4583 *
4584 * Input:
4585 *       struct net_device *dev
4586 *       struct ieee80211_rx_stats *stats
4587 *
4588 * Output:
4589 *
4590 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4591 * Return:
4592 *               None
4593 */
4594 static void
4595 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4596                                           struct ieee80211_rx_stats *stats)
4597 {
4598         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4599         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4600         u32 rcvType = 1;
4601         u32 rateIndex;
4602         /* 1: short preamble/GI, 0: long preamble/GI */
4603         u32 preamble_guardinterval;
4604
4605
4606         if (stats->bCRC)
4607                 rcvType = 2;
4608         else if (stats->bICV)
4609                 rcvType = 3;
4610
4611         if (stats->bShortPreamble)
4612                 preamble_guardinterval = 1; /* short */
4613         else
4614                 preamble_guardinterval = 0; /* long */
4615
4616         switch (stats->rate) {
4617         /* CCK rate */
4618         case MGN_1M:
4619                 rateIndex = 0;
4620                 break;
4621         case MGN_2M:
4622                 rateIndex = 1;
4623                 break;
4624         case MGN_5_5M:
4625                 rateIndex = 2;
4626                 break;
4627         case MGN_11M:
4628                 rateIndex = 3;
4629                 break;
4630         /* Legacy OFDM rate */
4631         case MGN_6M:
4632                 rateIndex = 4;
4633                 break;
4634         case MGN_9M:
4635                 rateIndex = 5;
4636                 break;
4637         case MGN_12M:
4638                 rateIndex = 6;
4639                 break;
4640         case MGN_18M:
4641                 rateIndex = 7;
4642                 break;
4643         case MGN_24M:
4644                 rateIndex = 8;
4645                 break;
4646         case MGN_36M:
4647                 rateIndex = 9;
4648                 break;
4649         case MGN_48M:
4650                 rateIndex = 10;
4651                 break;
4652         case MGN_54M:
4653                 rateIndex = 11;
4654                 break;
4655         /* 11n High throughput rate */
4656         case MGN_MCS0:
4657                 rateIndex = 12;
4658                 break;
4659         case MGN_MCS1:
4660                 rateIndex = 13;
4661                 break;
4662         case MGN_MCS2:
4663                 rateIndex = 14;
4664                 break;
4665         case MGN_MCS3:
4666                 rateIndex = 15;
4667                 break;
4668         case MGN_MCS4:
4669                 rateIndex = 16;
4670                 break;
4671         case MGN_MCS5:
4672                 rateIndex = 17;
4673                 break;
4674         case MGN_MCS6:
4675                 rateIndex = 18;
4676                 break;
4677         case MGN_MCS7:
4678                 rateIndex = 19;
4679                 break;
4680         case MGN_MCS8:
4681                 rateIndex = 20;
4682                 break;
4683         case MGN_MCS9:
4684                 rateIndex = 21;
4685                 break;
4686         case MGN_MCS10:
4687                 rateIndex = 22;
4688                 break;
4689         case MGN_MCS11:
4690                 rateIndex = 23;
4691                 break;
4692         case MGN_MCS12:
4693                 rateIndex = 24;
4694                 break;
4695         case MGN_MCS13:
4696                 rateIndex = 25;
4697                 break;
4698         case MGN_MCS14:
4699                 rateIndex = 26;
4700                 break;
4701         case MGN_MCS15:
4702                 rateIndex = 27;
4703                 break;
4704         default:
4705                 rateIndex = 28;
4706                 break;
4707         }
4708         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4709         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4710         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4711 }
4712
4713
4714 static void query_rxdesc_status(struct sk_buff *skb,
4715                                 struct ieee80211_rx_stats *stats,
4716                                 bool bIsRxAggrSubframe)
4717 {
4718         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4719         struct net_device *dev = info->dev;
4720         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4721         rx_drvinfo_819x_usb  *driver_info = NULL;
4722
4723         /* Get Rx Descriptor Information */
4724         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4725
4726         stats->Length = desc->Length;
4727         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4728         stats->RxBufShift = 0;
4729         stats->bICV = desc->ICV;
4730         stats->bCRC = desc->CRC32;
4731         stats->bHwError = stats->bCRC | stats->bICV;
4732         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4733         stats->Decrypted = !desc->SWDec;
4734
4735         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4736             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4737                 stats->bHwError = false;
4738         else
4739                 stats->bHwError = stats->bCRC | stats->bICV;
4740
4741         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4742                 stats->bHwError |= 1;
4743         /* Get Driver Info */
4744         /* TODO: Need to verify it on FGPA platform
4745          * Driver info are written to the RxBuffer following rx desc
4746          */
4747         if (stats->RxDrvInfoSize != 0) {
4748                 driver_info = (rx_drvinfo_819x_usb *)(
4749                                 skb->data
4750                                 + sizeof(rx_desc_819x_usb)
4751                                 + stats->RxBufShift
4752                               );
4753                 /* unit: 0.5M */
4754                 /* TODO */
4755                 if (!stats->bHwError) {
4756                         u8      ret_rate;
4757
4758                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4759                                                    driver_info->RxRate);
4760                         if (ret_rate == 0xff) {
4761                                 /* Abnormal Case: Receive CRC OK packet with Rx
4762                                  * descriptor indicating non supported rate.
4763                                  * Special Error Handling here
4764                                  */
4765
4766                                 stats->bHwError = 1;
4767                                 /* Set 1M rate by default */
4768                                 stats->rate = MGN_1M;
4769                         } else {
4770                                 stats->rate = ret_rate;
4771                         }
4772                 } else {
4773                         stats->rate = 0x02;
4774                 }
4775
4776                 stats->bShortPreamble = driver_info->SPLCP;
4777
4778
4779                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4780
4781                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4782                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4783                                     (driver_info->FirstAGGR == 1);
4784                 stats->TimeStampLow = driver_info->TSFL;
4785
4786                 UpdateRxPktTimeStamp8190(dev, stats);
4787
4788                 /* Rx A-MPDU */
4789                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4790                         RT_TRACE(COMP_RXDESC,
4791                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4792                                  driver_info->FirstAGGR, driver_info->PartAggr);
4793         }
4794
4795         skb_pull(skb, sizeof(rx_desc_819x_usb));
4796         /* Get Total offset of MPDU Frame Body */
4797         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4798                 stats->bShift = 1;
4799                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4800         }
4801
4802         if (driver_info) {
4803                 stats->RxIs40MHzPacket = driver_info->BW;
4804                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4805         }
4806 }
4807
4808 static void rtl8192_rx_nomal(struct sk_buff *skb)
4809 {
4810         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4811         struct net_device *dev = info->dev;
4812         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4813         struct ieee80211_rx_stats stats = {
4814                 .signal = 0,
4815                 .noise = 0x100 - 98,
4816                 .rate = 0,
4817                 .freq = IEEE80211_24GHZ_BAND,
4818         };
4819         u32 rx_pkt_len = 0;
4820         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4821         bool unicast_packet = false;
4822
4823         /* 20 is for ps-poll */
4824         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4825                 /* first packet should not contain Rx aggregation header */
4826                 query_rxdesc_status(skb, &stats, false);
4827                 /* TODO */
4828                 /* hardware related info */
4829                 /* Process the MPDU received */
4830                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4831
4832                 rx_pkt_len = skb->len;
4833                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4834                 unicast_packet = false;
4835                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4836                         /* TODO */
4837                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4838                         /* TODO */
4839                 } else {
4840                         /* unicast packet */
4841                         unicast_packet = true;
4842                 }
4843
4844                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4845                         dev_kfree_skb_any(skb);
4846                 } else {
4847                         priv->stats.rxoktotal++;
4848                         if (unicast_packet)
4849                                 priv->stats.rxbytesunicast += rx_pkt_len;
4850                 }
4851         } else {
4852                 priv->stats.rxurberr++;
4853                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4854                 dev_kfree_skb_any(skb);
4855         }
4856 }
4857
4858 static void rtl819xusb_process_received_packet(
4859                 struct net_device *dev,
4860                 struct ieee80211_rx_stats *pstats)
4861 {
4862         u8      *frame;
4863         u16     frame_len = 0;
4864         struct r8192_priv *priv = ieee80211_priv(dev);
4865
4866         /* Get shifted bytes of Starting address of 802.11 header. */
4867         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4868         frame = pstats->virtual_address;
4869         frame_len = pstats->packetlength;
4870 #ifdef TODO     /* about HCT */
4871         if (!Adapter->bInHctTest)
4872                 CountRxErrStatistics(Adapter, pRfd);
4873 #endif
4874 #ifdef ENABLE_PS  /* for adding ps function in future */
4875         RT_RF_POWER_STATE rtState;
4876         /* When RF is off, we should not count the packet for hw/sw synchronize
4877          * reason, ie. there may be a duration while sw switch is changed and
4878          * hw switch is being changed.
4879          */
4880         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4881                                          (u8 *)(&rtState));
4882         if (rtState == eRfOff)
4883                 return;
4884 #endif
4885         priv->stats.rxframgment++;
4886
4887 #ifdef TODO
4888         RmMonitorSignalStrength(Adapter, pRfd);
4889 #endif
4890         /* We have to release RFD and return if rx pkt is cmd pkt. */
4891         if (rtl819xusb_rx_command_packet(dev, pstats))
4892                 return;
4893
4894 #ifdef SW_CRC_CHECK
4895         SwCrcCheck();
4896 #endif
4897
4898
4899 }
4900
4901 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4902                                         struct ieee80211_rx_stats *stats)
4903 {
4904         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4905
4906         /* Get Rx Descriptor Information */
4907         stats->virtual_address = (u8 *)skb->data;
4908         stats->Length = desc->Length;
4909         stats->RxDrvInfoSize = 0;
4910         stats->RxBufShift = 0;
4911         stats->packetlength = stats->Length - scrclng;
4912         stats->fraglength = stats->packetlength;
4913         stats->fragoffset = 0;
4914         stats->ntotalfrag = 1;
4915 }
4916
4917
4918 static void rtl8192_rx_cmd(struct sk_buff *skb)
4919 {
4920         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4921         struct net_device *dev = info->dev;
4922         /* TODO */
4923         struct ieee80211_rx_stats stats = {
4924                 .signal = 0,
4925                 .noise = 0x100 - 98,
4926                 .rate = 0,
4927                 .freq = IEEE80211_24GHZ_BAND,
4928         };
4929
4930         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4931                 query_rx_cmdpkt_desc_status(skb, &stats);
4932                 /* prfd->queue_id = 1; */
4933
4934                 /* Process the command packet received. */
4935
4936                 rtl819xusb_process_received_packet(dev, &stats);
4937
4938                 dev_kfree_skb_any(skb);
4939         }
4940 }
4941
4942 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4943 {
4944         struct sk_buff *skb;
4945         struct rtl8192_rx_info *info;
4946
4947         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4948                 info = (struct rtl8192_rx_info *)skb->cb;
4949                 switch (info->out_pipe) {
4950                 /* Nomal packet pipe */
4951                 case 3:
4952                         priv->IrpPendingCount--;
4953                         rtl8192_rx_nomal(skb);
4954                         break;
4955
4956                 /* Command packet pipe */
4957                 case 9:
4958                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4959                                  info->out_pipe);
4960
4961                         rtl8192_rx_cmd(skb);
4962                         break;
4963
4964                 default: /* should never get here! */
4965                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4966                                  info->out_pipe);
4967                         dev_kfree_skb(skb);
4968                         break;
4969                 }
4970         }
4971 }
4972
4973 static const struct net_device_ops rtl8192_netdev_ops = {
4974         .ndo_open               = rtl8192_open,
4975         .ndo_stop               = rtl8192_close,
4976         .ndo_get_stats          = rtl8192_stats,
4977         .ndo_tx_timeout         = tx_timeout,
4978         .ndo_do_ioctl           = rtl8192_ioctl,
4979         .ndo_set_rx_mode        = r8192_set_multicast,
4980         .ndo_set_mac_address    = r8192_set_mac_adr,
4981         .ndo_validate_addr      = eth_validate_addr,
4982         .ndo_change_mtu         = eth_change_mtu,
4983         .ndo_start_xmit         = ieee80211_xmit,
4984 };
4985
4986
4987 /****************************************************************************
4988      ---------------------------- USB_STUFF---------------------------
4989 *****************************************************************************/
4990
4991 static int rtl8192_usb_probe(struct usb_interface *intf,
4992                              const struct usb_device_id *id)
4993 {
4994         struct net_device *dev = NULL;
4995         struct r8192_priv *priv = NULL;
4996         struct usb_device *udev = interface_to_usbdev(intf);
4997         int ret;
4998
4999         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
5000
5001         dev = alloc_ieee80211(sizeof(struct r8192_priv));
5002         if (!dev)
5003                 return -ENOMEM;
5004
5005         usb_set_intfdata(intf, dev);
5006         SET_NETDEV_DEV(dev, &intf->dev);
5007         priv = ieee80211_priv(dev);
5008         priv->ieee80211 = netdev_priv(dev);
5009         priv->udev = udev;
5010
5011         dev->netdev_ops = &rtl8192_netdev_ops;
5012
5013         dev->wireless_handlers = &r8192_wx_handlers_def;
5014
5015         dev->type = ARPHRD_ETHER;
5016
5017         dev->watchdog_timeo = HZ * 3;
5018
5019         if (dev_alloc_name(dev, ifname) < 0) {
5020                 RT_TRACE(COMP_INIT,
5021                          "Oops: devname already taken! Trying wlan%%d...\n");
5022                 ifname = "wlan%d";
5023                 dev_alloc_name(dev, ifname);
5024         }
5025
5026         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5027         if (rtl8192_init(dev) != 0) {
5028                 RT_TRACE(COMP_ERR, "Initialization failed");
5029                 ret = -ENODEV;
5030                 goto fail;
5031         }
5032         netif_carrier_off(dev);
5033         netif_stop_queue(dev);
5034
5035         ret = register_netdev(dev);
5036         if (ret)
5037                 goto fail2;
5038
5039         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5040         rtl8192_proc_init_one(dev);
5041
5042
5043         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5044         return 0;
5045
5046 fail2:
5047         rtl8192_down(dev);
5048         kfree(priv->pFirmware);
5049         priv->pFirmware = NULL;
5050         rtl8192_usb_deleteendpoints(dev);
5051         mdelay(10);
5052 fail:
5053         free_ieee80211(dev);
5054
5055         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5056         return ret;
5057 }
5058
5059 /* detach all the work and timer structure declared or inititialize
5060  * in r8192U_init function.
5061  */
5062 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5063 {
5064         cancel_work_sync(&priv->reset_wq);
5065         cancel_delayed_work(&priv->watch_dog_wq);
5066         cancel_delayed_work(&priv->update_beacon_wq);
5067         cancel_work_sync(&priv->qos_activate);
5068 }
5069
5070
5071 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5072 {
5073         struct net_device *dev = usb_get_intfdata(intf);
5074         struct r8192_priv *priv = ieee80211_priv(dev);
5075
5076         if (dev) {
5077                 unregister_netdev(dev);
5078
5079                 RT_TRACE(COMP_DOWN,
5080                          "=============>wlan driver to be removed\n");
5081                 rtl8192_proc_remove_one(dev);
5082
5083                 rtl8192_down(dev);
5084                 kfree(priv->pFirmware);
5085                 priv->pFirmware = NULL;
5086                 rtl8192_usb_deleteendpoints(dev);
5087                 mdelay(10);
5088         }
5089         free_ieee80211(dev);
5090         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5091 }
5092
5093 static int __init rtl8192_usb_module_init(void)
5094 {
5095         int ret;
5096
5097 #ifdef CONFIG_IEEE80211_DEBUG
5098         ret = ieee80211_debug_init();
5099         if (ret) {
5100                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5101                 return ret;
5102         }
5103 #endif
5104         ret = ieee80211_crypto_init();
5105         if (ret) {
5106                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5107                 return ret;
5108         }
5109
5110         ret = ieee80211_crypto_tkip_init();
5111         if (ret) {
5112                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5113                 return ret;
5114         }
5115
5116         ret = ieee80211_crypto_ccmp_init();
5117         if (ret) {
5118                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5119                 return ret;
5120         }
5121
5122         ret = ieee80211_crypto_wep_init();
5123         if (ret) {
5124                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5125                 return ret;
5126         }
5127
5128         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5129         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5130         RT_TRACE(COMP_INIT, "Initializing module");
5131         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5132         rtl8192_proc_module_init();
5133         return usb_register(&rtl8192_usb_driver);
5134 }
5135
5136
5137 static void __exit rtl8192_usb_module_exit(void)
5138 {
5139         usb_deregister(&rtl8192_usb_driver);
5140
5141         RT_TRACE(COMP_DOWN, "Exiting");
5142 }
5143
5144 void EnableHWSecurityConfig8192(struct net_device *dev)
5145 {
5146         u8 SECR_value = 0x0;
5147         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5148         struct ieee80211_device *ieee = priv->ieee80211;
5149
5150         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5151         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5152                 SECR_value |= SCR_RxUseDK;
5153                 SECR_value |= SCR_TxUseDK;
5154         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5155                 SECR_value |= SCR_RxUseDK;
5156                 SECR_value |= SCR_TxUseDK;
5157         }
5158         /* add HWSec active enable here.
5159          * default using hwsec. when peer AP is in N mode only and
5160          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5161          * it), use software security. when peer AP is in b,g,n mode mixed and
5162          * pairwise_key_type is none_aes, use g mode hw security.
5163          */
5164
5165         ieee->hwsec_active = 1;
5166
5167         /* add hwsec_support flag to totol control hw_sec on/off */
5168         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5169                 ieee->hwsec_active = 0;
5170                 SECR_value &= ~SCR_RxDecEnable;
5171         }
5172         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5173                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5174                  SECR_value);
5175         write_nic_byte(dev, SECR,  SECR_value);
5176 }
5177
5178
5179 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5180             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5181 {
5182         u32 TargetCommand = 0;
5183         u32 TargetContent = 0;
5184         u16 usConfig = 0;
5185         u8 i;
5186
5187         if (EntryNo >= TOTAL_CAM_ENTRY)
5188                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5189
5190         RT_TRACE(COMP_SEC,
5191                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5192                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5193
5194         if (DefaultKey)
5195                 usConfig |= BIT(15) | (KeyType << 2);
5196         else
5197                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5198
5199
5200         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5201                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5202                 TargetCommand |= BIT(31) | BIT(16);
5203
5204                 if (i == 0) { /* MAC|Config */
5205                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5206                                         (u32)(*(MacAddr + 1)) << 24 |
5207                                         (u32)usConfig;
5208
5209                         write_nic_dword(dev, WCAMI, TargetContent);
5210                         write_nic_dword(dev, RWCAM, TargetCommand);
5211                 } else if (i == 1) { /* MAC */
5212                         TargetContent = (u32)(*(MacAddr + 2))    |
5213                                         (u32)(*(MacAddr + 3)) <<  8 |
5214                                         (u32)(*(MacAddr + 4)) << 16 |
5215                                         (u32)(*(MacAddr + 5)) << 24;
5216                         write_nic_dword(dev, WCAMI, TargetContent);
5217                         write_nic_dword(dev, RWCAM, TargetCommand);
5218                 } else {
5219                         /* Key Material */
5220                         if (KeyContent) {
5221                                 write_nic_dword(dev, WCAMI,
5222                                                 *(KeyContent + i - 2));
5223                                 write_nic_dword(dev, RWCAM, TargetCommand);
5224                         }
5225                 }
5226         }
5227 }
5228
5229 /***************************************************************************
5230      ------------------- module init / exit stubs ----------------
5231 ****************************************************************************/
5232 module_init(rtl8192_usb_module_init);
5233 module_exit(rtl8192_usb_module_exit);