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)->enabled = 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, 500);
 270         kfree(usbdata);
 271
 272         if (status < 0) {
 273                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 274                 return status;
 275         }
 276         return 0;
 277 }
 278
 279 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 280 {
 281         int status;
 282         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 283         struct usb_device *udev = priv->udev;
 284         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 285
 286         if (!usbdata)
 287                 return -ENOMEM;
 288
 289         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 290                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 291                                  indx | 0xfe00, 0, usbdata, 1, 500);
 292         *data = *usbdata;
 293         kfree(usbdata);
 294
 295         if (status < 0) {
 296                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 297                 return status;
 298         }
 299
 300         return 0;
 301 }
 302
 303 /* as 92U has extend page from 4 to 16, so modify functions below. */
 304 int write_nic_byte(struct net_device *dev, int indx, u8 data)
 305 {
 306         int status;
 307
 308         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 309         struct usb_device *udev = priv->udev;
 310         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 311
 312         if (!usbdata)
 313                 return -ENOMEM;
 314         *usbdata = data;
 315
 316         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 317                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 318                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 319                                  usbdata, 1, 500);
 320         kfree(usbdata);
 321
 322         if (status < 0) {
 323                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 324                 return status;
 325         }
 326
 327         return 0;
 328 }
 329
 330
 331 int write_nic_word(struct net_device *dev, int indx, u16 data)
 332 {
 333         int status;
 334
 335         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 336         struct usb_device *udev = priv->udev;
 337         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 338
 339         if (!usbdata)
 340                 return -ENOMEM;
 341         *usbdata = data;
 342
 343         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 344                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 345                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 346                                  usbdata, 2, 500);
 347         kfree(usbdata);
 348
 349         if (status < 0) {
 350                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 351                 return status;
 352         }
 353
 354         return 0;
 355 }
 356
 357
 358 int write_nic_dword(struct net_device *dev, int indx, u32 data)
 359 {
 360         int status;
 361
 362         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 363         struct usb_device *udev = priv->udev;
 364         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 365
 366         if (!usbdata)
 367                 return -ENOMEM;
 368         *usbdata = data;
 369
 370         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 371                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 372                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 373                                  usbdata, 4, 500);
 374         kfree(usbdata);
 375
 376
 377         if (status < 0) {
 378                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 379                 return status;
 380         }
 381
 382         return 0;
 383 }
 384
 385
 386
 387 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 388 {
 389         int status;
 390         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 391         struct usb_device *udev = priv->udev;
 392         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 393
 394         if (!usbdata)
 395                 return -ENOMEM;
 396
 397         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 398                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 399                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 400                                  usbdata, 1, 500);
 401         *data = *usbdata;
 402         kfree(usbdata);
 403
 404         if (status < 0) {
 405                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 406                 return status;
 407         }
 408
 409         return 0;
 410 }
 411
 412
 413
 414 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 415 {
 416         int status;
 417         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 418         struct usb_device *udev = priv->udev;
 419         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 420
 421         if (!usbdata)
 422                 return -ENOMEM;
 423
 424         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 425                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 426                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 427                                  usbdata, 2, 500);
 428         *data = *usbdata;
 429         kfree(usbdata);
 430
 431         if (status < 0) {
 432                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 433                 return status;
 434         }
 435
 436         return 0;
 437 }
 438
 439 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 440 {
 441         int status;
 442         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 443         struct usb_device *udev = priv->udev;
 444         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 445
 446         if (!usbdata)
 447                 return -ENOMEM;
 448
 449         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 450                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 451                                  indx | 0xfe00, 0, usbdata, 2, 500);
 452         *data = *usbdata;
 453         kfree(usbdata);
 454
 455         if (status < 0) {
 456                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 457                 return status;
 458         }
 459
 460         return 0;
 461 }
 462
 463 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 464 {
 465         int status;
 466
 467         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 468         struct usb_device *udev = priv->udev;
 469         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 470
 471         if (!usbdata)
 472                 return -ENOMEM;
 473
 474         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 475                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 476                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 477                                  usbdata, 4, 500);
 478         *data = *usbdata;
 479         kfree(usbdata);
 480
 481         if (status < 0) {
 482                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 483                 return status;
 484         }
 485
 486         return 0;
 487 }
 488
 489 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 490 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 491 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 492  * plans are to possibility turn it again in one common code...
 493  */
 494 inline void force_pci_posting(struct net_device *dev)
 495 {
 496 }
 497
 498 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 499 static void rtl8192_restart(struct work_struct *work);
 500 static void watch_dog_timer_callback(struct timer_list *t);
 501
 502 /****************************************************************************
 503  *   -----------------------------PROCFS STUFF-------------------------
 504  ****************************************************************************/
 505
 506 static struct proc_dir_entry *rtl8192_proc;
 507
 508 static int __maybe_unused proc_get_stats_ap(struct seq_file *m, void *v)
 509 {
 510         struct net_device *dev = m->private;
 511         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 512         struct ieee80211_device *ieee = priv->ieee80211;
 513         struct ieee80211_network *target;
 514
 515         list_for_each_entry(target, &ieee->network_list, list) {
 516                 const char *wpa = "non_WPA";
 517
 518                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 519                         wpa = "WPA";
 520
 521                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 522         }
 523
 524         return 0;
 525 }
 526
 527 static int __maybe_unused proc_get_registers(struct seq_file *m, void *v)
 528 {
 529         struct net_device *dev = m->private;
 530         int i, n, max = 0xff;
 531         u8 byte_rd;
 532
 533         seq_puts(m, "\n####################page 0##################\n ");
 534
 535         for (n = 0; n <= max;) {
 536                 seq_printf(m, "\nD:  %2x > ", n);
 537
 538                 for (i = 0; i < 16 && n <= max; i++, n++) {
 539                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 540                         seq_printf(m, "%2x ", byte_rd);
 541                 }
 542         }
 543
 544         seq_puts(m, "\n####################page 1##################\n ");
 545         for (n = 0; n <= max;) {
 546                 seq_printf(m, "\nD:  %2x > ", n);
 547
 548                 for (i = 0; i < 16 && n <= max; i++, n++) {
 549                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 550                         seq_printf(m, "%2x ", byte_rd);
 551                 }
 552         }
 553
 554         seq_puts(m, "\n####################page 3##################\n ");
 555         for (n = 0; n <= max;) {
 556                 seq_printf(m, "\nD:  %2x > ", n);
 557
 558                 for (i = 0; i < 16 && n <= max; i++, n++) {
 559                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 560                         seq_printf(m, "%2x ", byte_rd);
 561                 }
 562         }
 563
 564         seq_putc(m, '\n');
 565         return 0;
 566 }
 567
 568 static int __maybe_unused proc_get_stats_tx(struct seq_file *m, void *v)
 569 {
 570         struct net_device *dev = m->private;
 571         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 572
 573         seq_printf(m,
 574                    "TX VI priority ok int: %lu\n"
 575                    "TX VI priority error int: %lu\n"
 576                    "TX VO priority ok int: %lu\n"
 577                    "TX VO priority error int: %lu\n"
 578                    "TX BE priority ok int: %lu\n"
 579                    "TX BE priority error int: %lu\n"
 580                    "TX BK priority ok int: %lu\n"
 581                    "TX BK priority error int: %lu\n"
 582                    "TX MANAGE priority ok int: %lu\n"
 583                    "TX MANAGE priority error int: %lu\n"
 584                    "TX BEACON priority ok int: %lu\n"
 585                    "TX BEACON priority error int: %lu\n"
 586                    "TX queue resume: %lu\n"
 587                    "TX queue stopped?: %d\n"
 588                    "TX fifo overflow: %lu\n"
 589                    "TX VI queue: %d\n"
 590                    "TX VO queue: %d\n"
 591                    "TX BE queue: %d\n"
 592                    "TX BK queue: %d\n"
 593                    "TX VI dropped: %lu\n"
 594                    "TX VO dropped: %lu\n"
 595                    "TX BE dropped: %lu\n"
 596                    "TX BK dropped: %lu\n"
 597                    "TX total data packets %lu\n",
 598                    priv->stats.txviokint,
 599                    priv->stats.txvierr,
 600                    priv->stats.txvookint,
 601                    priv->stats.txvoerr,
 602                    priv->stats.txbeokint,
 603                    priv->stats.txbeerr,
 604                    priv->stats.txbkokint,
 605                    priv->stats.txbkerr,
 606                    priv->stats.txmanageokint,
 607                    priv->stats.txmanageerr,
 608                    priv->stats.txbeaconokint,
 609                    priv->stats.txbeaconerr,
 610                    priv->stats.txresumed,
 611                    netif_queue_stopped(dev),
 612                    priv->stats.txoverflow,
 613                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 614                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 615                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 616                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 617                    priv->stats.txvidrop,
 618                    priv->stats.txvodrop,
 619                    priv->stats.txbedrop,
 620                    priv->stats.txbkdrop,
 621                    priv->stats.txdatapkt
 622                 );
 623
 624         return 0;
 625 }
 626
 627 static int __maybe_unused proc_get_stats_rx(struct seq_file *m, void *v)
 628 {
 629         struct net_device *dev = m->private;
 630         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 631
 632         seq_printf(m,
 633                    "RX packets: %lu\n"
 634                    "RX urb status error: %lu\n"
 635                    "RX invalid urb error: %lu\n",
 636                    priv->stats.rxoktotal,
 637                    priv->stats.rxstaterr,
 638                    priv->stats.rxurberr);
 639
 640         return 0;
 641 }
 642
 643 static void rtl8192_proc_module_init(void)
 644 {
 645         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 646         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 647 }
 648
 649 static void rtl8192_proc_init_one(struct net_device *dev)
 650 {
 651         struct proc_dir_entry *dir;
 652
 653         if (!rtl8192_proc)
 654                 return;
 655
 656         dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 657         if (!dir)
 658                 return;
 659
 660         proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir,
 661                         proc_get_stats_rx);
 662         proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir,
 663                         proc_get_stats_tx);
 664         proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir,
 665                         proc_get_stats_ap);
 666         proc_create_single("registers", S_IFREG | S_IRUGO, dir,
 667                         proc_get_registers);
 668 }
 669
 670 static void rtl8192_proc_remove_one(struct net_device *dev)
 671 {
 672         remove_proc_subtree(dev->name, rtl8192_proc);
 673 }
 674
 675 /****************************************************************************
 676  *  -----------------------------MISC STUFF-------------------------
 677  *****************************************************************************/
 678
 679 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 680 {
 681         struct r8192_priv *priv = ieee80211_priv(dev);
 682         int used = atomic_read(&priv->tx_pending[queue_index]);
 683
 684         return (used < MAX_TX_URB);
 685 }
 686
 687 static void tx_timeout(struct net_device *dev)
 688 {
 689         struct r8192_priv *priv = ieee80211_priv(dev);
 690
 691         schedule_work(&priv->reset_wq);
 692 }
 693
 694 void rtl8192_update_msr(struct net_device *dev)
 695 {
 696         struct r8192_priv *priv = ieee80211_priv(dev);
 697         u8 msr;
 698
 699         read_nic_byte(dev, MSR, &msr);
 700         msr &= ~MSR_LINK_MASK;
 701
 702         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 703          * msr must be updated if the state is ASSOCIATING.
 704          * this is intentional and make sense for ad-hoc and
 705          * master (see the create BSS/IBSS func)
 706          */
 707         if (priv->ieee80211->state == IEEE80211_LINKED) {
 708                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 709                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 710                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 711                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 712                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 713                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 714
 715         } else {
 716                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 717         }
 718
 719         write_nic_byte(dev, MSR, msr);
 720 }
 721
 722 void rtl8192_set_chan(struct net_device *dev, short ch)
 723 {
 724         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 725
 726         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 727         priv->chan = ch;
 728
 729         /* this hack should avoid frame TX during channel setting*/
 730
 731         /* need to implement rf set channel here */
 732
 733         if (priv->rf_set_chan)
 734                 priv->rf_set_chan(dev, priv->chan);
 735         mdelay(10);
 736 }
 737
 738 static void rtl8192_rx_isr(struct urb *urb);
 739
 740 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 741 {
 742         return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
 743                 + pstats->RxBufShift);
 744 }
 745
 746 static int rtl8192_rx_initiate(struct net_device *dev)
 747 {
 748         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 749         struct urb *entry;
 750         struct sk_buff *skb;
 751         struct rtl8192_rx_info *info;
 752
 753         /* nomal packet rx procedure */
 754         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 755                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 756                 if (!skb)
 757                         break;
 758                 entry = usb_alloc_urb(0, GFP_KERNEL);
 759                 if (!entry) {
 760                         kfree_skb(skb);
 761                         break;
 762                 }
 763                 usb_fill_bulk_urb(entry, priv->udev,
 764                                   usb_rcvbulkpipe(priv->udev, 3),
 765                                   skb_tail_pointer(skb),
 766                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 767                 info = (struct rtl8192_rx_info *)skb->cb;
 768                 info->urb = entry;
 769                 info->dev = dev;
 770                 info->out_pipe = 3; /* denote rx normal packet queue */
 771                 skb_queue_tail(&priv->rx_queue, skb);
 772                 usb_submit_urb(entry, GFP_KERNEL);
 773         }
 774
 775         /* command packet rx procedure */
 776         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 777                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 778                 if (!skb)
 779                         break;
 780                 entry = usb_alloc_urb(0, GFP_KERNEL);
 781                 if (!entry) {
 782                         kfree_skb(skb);
 783                         break;
 784                 }
 785                 usb_fill_bulk_urb(entry, priv->udev,
 786                                   usb_rcvbulkpipe(priv->udev, 9),
 787                                   skb_tail_pointer(skb),
 788                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 789                 info = (struct rtl8192_rx_info *)skb->cb;
 790                 info->urb = entry;
 791                 info->dev = dev;
 792                 info->out_pipe = 9; /* denote rx cmd packet queue */
 793                 skb_queue_tail(&priv->rx_queue, skb);
 794                 usb_submit_urb(entry, GFP_KERNEL);
 795         }
 796
 797         return 0;
 798 }
 799
 800 void rtl8192_set_rxconf(struct net_device *dev)
 801 {
 802         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 803         u32 rxconf;
 804
 805         read_nic_dword(dev, RCR, &rxconf);
 806         rxconf = rxconf & ~MAC_FILTER_MASK;
 807         rxconf = rxconf | RCR_AMF;
 808         rxconf = rxconf | RCR_ADF;
 809         rxconf = rxconf | RCR_AB;
 810         rxconf = rxconf | RCR_AM;
 811
 812         if (dev->flags & IFF_PROMISC)
 813                 DMESG("NIC in promisc mode");
 814
 815         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 816             dev->flags & IFF_PROMISC) {
 817                 rxconf = rxconf | RCR_AAP;
 818         } else {
 819                 rxconf = rxconf | RCR_APM;
 820                 rxconf = rxconf | RCR_CBSSID;
 821         }
 822
 823
 824         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 825                 rxconf = rxconf | RCR_AICV;
 826                 rxconf = rxconf | RCR_APWRMGT;
 827         }
 828
 829         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 830                 rxconf = rxconf | RCR_ACRC32;
 831
 832
 833         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 834         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 835         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 836         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 837
 838         rxconf = rxconf | RCR_ONLYERLPKT;
 839
 840         write_nic_dword(dev, RCR, rxconf);
 841 }
 842
 843 /* wait to be removed */
 844 void rtl8192_rx_enable(struct net_device *dev)
 845 {
 846         rtl8192_rx_initiate(dev);
 847 }
 848
 849
 850 void rtl8192_tx_enable(struct net_device *dev)
 851 {
 852 }
 853
 854
 855
 856 void rtl8192_rtx_disable(struct net_device *dev)
 857 {
 858         u8 cmd;
 859         struct r8192_priv *priv = ieee80211_priv(dev);
 860         struct sk_buff *skb;
 861         struct rtl8192_rx_info *info;
 862
 863         read_nic_byte(dev, CMDR, &cmd);
 864         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 865         force_pci_posting(dev);
 866         mdelay(10);
 867
 868         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 869                 info = (struct rtl8192_rx_info *)skb->cb;
 870                 if (!info->urb)
 871                         continue;
 872
 873                 usb_kill_urb(info->urb);
 874                 kfree_skb(skb);
 875         }
 876
 877         if (skb_queue_len(&priv->skb_queue))
 878                 netdev_warn(dev, "skb_queue not empty\n");
 879
 880         skb_queue_purge(&priv->skb_queue);
 881 }
 882
 883 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 884 static void rtl8192_rx_isr(struct urb *urb)
 885 {
 886         struct sk_buff *skb = (struct sk_buff *)urb->context;
 887         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 888         struct net_device *dev = info->dev;
 889         struct r8192_priv *priv = ieee80211_priv(dev);
 890         int out_pipe = info->out_pipe;
 891         int err;
 892
 893         if (!priv->up)
 894                 return;
 895
 896         if (unlikely(urb->status)) {
 897                 info->urb = NULL;
 898                 priv->stats.rxstaterr++;
 899                 priv->ieee80211->stats.rx_errors++;
 900                 usb_free_urb(urb);
 901                 return;
 902         }
 903         skb_unlink(skb, &priv->rx_queue);
 904         skb_put(skb, urb->actual_length);
 905
 906         skb_queue_tail(&priv->skb_queue, skb);
 907         tasklet_schedule(&priv->irq_rx_tasklet);
 908
 909         skb = dev_alloc_skb(RX_URB_SIZE);
 910         if (unlikely(!skb)) {
 911                 usb_free_urb(urb);
 912                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 913                 /* TODO check rx queue length and refill *somewhere* */
 914                 return;
 915         }
 916
 917         usb_fill_bulk_urb(urb, priv->udev,
 918                           usb_rcvbulkpipe(priv->udev, out_pipe),
 919                           skb_tail_pointer(skb),
 920                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 921
 922         info = (struct rtl8192_rx_info *)skb->cb;
 923         info->urb = urb;
 924         info->dev = dev;
 925         info->out_pipe = out_pipe;
 926
 927         urb->transfer_buffer = skb_tail_pointer(skb);
 928         urb->context = skb;
 929         skb_queue_tail(&priv->rx_queue, skb);
 930         err = usb_submit_urb(urb, GFP_ATOMIC);
 931         if (err && err != EPERM)
 932                 netdev_err(dev,
 933                            "can not submit rxurb, err is %x, URB status is %x\n",
 934                            err, urb->status);
 935 }
 936
 937 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 938                                         struct ieee80211_rx_stats *pstats)
 939 {
 940         u32     status;
 941
 942         status = cmpk_message_handle_rx(dev, pstats);
 943         if (status)
 944                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 945
 946         return status;
 947 }
 948
 949
 950 static void rtl8192_data_hard_stop(struct net_device *dev)
 951 {
 952         /* FIXME !! */
 953 }
 954
 955
 956 static void rtl8192_data_hard_resume(struct net_device *dev)
 957 {
 958         /* FIXME !! */
 959 }
 960
 961 /* this function TX data frames when the ieee80211 stack requires this.
 962  * It checks also if we need to stop the ieee tx queue, eventually do it
 963  */
 964 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 965                                    int rate)
 966 {
 967         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 968         int ret;
 969         unsigned long flags;
 970         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 971         u8 queue_index = tcb_desc->queue_index;
 972
 973         /* shall not be referred by command packet */
 974         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
 975
 976         spin_lock_irqsave(&priv->tx_lock, flags);
 977
 978         *(struct net_device **)(skb->cb) = dev;
 979         tcb_desc->bTxEnableFwCalcDur = 1;
 980         skb_push(skb, priv->ieee80211->tx_headroom);
 981         ret = rtl8192_tx(dev, skb);
 982
 983         spin_unlock_irqrestore(&priv->tx_lock, flags);
 984 }
 985
 986 /* This is a rough attempt to TX a frame
 987  * This is called by the ieee 80211 stack to TX management frames.
 988  * If the ring is full packet are dropped (for data frame the queue
 989  * is stopped before this can happen).
 990  */
 991 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 992 {
 993         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 994         int ret;
 995         unsigned long flags;
 996         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 997         u8 queue_index = tcb_desc->queue_index;
 998
 999
1000         spin_lock_irqsave(&priv->tx_lock, flags);
1001
1002         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1003         if (queue_index == TXCMD_QUEUE) {
1004                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1005                 rtl819xU_tx_cmd(dev, skb);
1006                 ret = 1;
1007         } else {
1008                 skb_push(skb, priv->ieee80211->tx_headroom);
1009                 ret = rtl8192_tx(dev, skb);
1010         }
1011
1012         spin_unlock_irqrestore(&priv->tx_lock, flags);
1013
1014         return ret;
1015 }
1016
1017 static void rtl8192_tx_isr(struct urb *tx_urb)
1018 {
1019         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1020         struct net_device *dev;
1021         struct r8192_priv *priv = NULL;
1022         struct cb_desc *tcb_desc;
1023         u8  queue_index;
1024
1025         if (!skb)
1026                 return;
1027
1028         dev = *(struct net_device **)(skb->cb);
1029         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1030         queue_index = tcb_desc->queue_index;
1031
1032         priv = ieee80211_priv(dev);
1033
1034         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1035                 if (tx_urb->status == 0) {
1036                         netif_trans_update(dev);
1037                         priv->stats.txoktotal++;
1038                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1039                         priv->stats.txbytesunicast +=
1040                                 (skb->len - priv->ieee80211->tx_headroom);
1041                 } else {
1042                         priv->ieee80211->stats.tx_errors++;
1043                         /* TODO */
1044                 }
1045         }
1046
1047         /* free skb and tx_urb */
1048         dev_kfree_skb_any(skb);
1049         usb_free_urb(tx_urb);
1050         atomic_dec(&priv->tx_pending[queue_index]);
1051
1052         /*
1053          * Handle HW Beacon:
1054          * We had transfer our beacon frame to host controller at this moment.
1055          *
1056          *
1057          * Caution:
1058          * Handling the wait queue of command packets.
1059          * For Tx command packets, we must not do TCB fragment because it is
1060          * not handled right now. We must cut the packets to match the size of
1061          * TX_CMD_PKT before we send it.
1062          */
1063
1064         /* Handle MPDU in wait queue. */
1065         if (queue_index != BEACON_QUEUE) {
1066                 /* Don't send data frame during scanning.*/
1067                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1068                     (!(priv->ieee80211->queue_stop))) {
1069                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1070                         if (skb)
1071                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1072                                                                          dev);
1073
1074                         return; /* avoid further processing AMSDU */
1075                 }
1076         }
1077 }
1078
1079 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1080 {
1081         struct r8192_priv *priv = ieee80211_priv(dev);
1082         struct ieee80211_network *net;
1083         u8 i = 0, basic_rate = 0;
1084
1085         net = &priv->ieee80211->current_network;
1086
1087         for (i = 0; i < net->rates_len; i++) {
1088                 basic_rate = net->rates[i] & 0x7f;
1089                 switch (basic_rate) {
1090                 case MGN_1M:
1091                         *rate_config |= RRSR_1M;
1092                         break;
1093                 case MGN_2M:
1094                         *rate_config |= RRSR_2M;
1095                         break;
1096                 case MGN_5_5M:
1097                         *rate_config |= RRSR_5_5M;
1098                         break;
1099                 case MGN_11M:
1100                         *rate_config |= RRSR_11M;
1101                         break;
1102                 case MGN_6M:
1103                         *rate_config |= RRSR_6M;
1104                         break;
1105                 case MGN_9M:
1106                         *rate_config |= RRSR_9M;
1107                         break;
1108                 case MGN_12M:
1109                         *rate_config |= RRSR_12M;
1110                         break;
1111                 case MGN_18M:
1112                         *rate_config |= RRSR_18M;
1113                         break;
1114                 case MGN_24M:
1115                         *rate_config |= RRSR_24M;
1116                         break;
1117                 case MGN_36M:
1118                         *rate_config |= RRSR_36M;
1119                         break;
1120                 case MGN_48M:
1121                         *rate_config |= RRSR_48M;
1122                         break;
1123                 case MGN_54M:
1124                         *rate_config |= RRSR_54M;
1125                         break;
1126                 }
1127         }
1128         for (i = 0; i < net->rates_ex_len; i++) {
1129                 basic_rate = net->rates_ex[i] & 0x7f;
1130                 switch (basic_rate) {
1131                 case MGN_1M:
1132                         *rate_config |= RRSR_1M;
1133                         break;
1134                 case MGN_2M:
1135                         *rate_config |= RRSR_2M;
1136                         break;
1137                 case MGN_5_5M:
1138                         *rate_config |= RRSR_5_5M;
1139                         break;
1140                 case MGN_11M:
1141                         *rate_config |= RRSR_11M;
1142                         break;
1143                 case MGN_6M:
1144                         *rate_config |= RRSR_6M;
1145                         break;
1146                 case MGN_9M:
1147                         *rate_config |= RRSR_9M;
1148                         break;
1149                 case MGN_12M:
1150                         *rate_config |= RRSR_12M;
1151                         break;
1152                 case MGN_18M:
1153                         *rate_config |= RRSR_18M;
1154                         break;
1155                 case MGN_24M:
1156                         *rate_config |= RRSR_24M;
1157                         break;
1158                 case MGN_36M:
1159                         *rate_config |= RRSR_36M;
1160                         break;
1161                 case MGN_48M:
1162                         *rate_config |= RRSR_48M;
1163                         break;
1164                 case MGN_54M:
1165                         *rate_config |= RRSR_54M;
1166                         break;
1167                 }
1168         }
1169 }
1170
1171
1172 #define SHORT_SLOT_TIME 9
1173 #define NON_SHORT_SLOT_TIME 20
1174
1175 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1176 {
1177         u32 tmp = 0;
1178         struct r8192_priv *priv = ieee80211_priv(dev);
1179         struct ieee80211_network *net = &priv->ieee80211->current_network;
1180
1181         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1182         tmp = priv->basic_rate;
1183         if (priv->short_preamble)
1184                 tmp |= BRSR_AckShortPmb;
1185         write_nic_dword(dev, RRSR, tmp);
1186
1187         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1188                 u8 slot_time = 0;
1189
1190                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1191                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1192                         /* short slot time */
1193                         slot_time = SHORT_SLOT_TIME;
1194                 else    /* long slot time */
1195                         slot_time = NON_SHORT_SLOT_TIME;
1196                 priv->slot_time = slot_time;
1197                 write_nic_byte(dev, SLOT_TIME, slot_time);
1198         }
1199 }
1200
1201 static void rtl8192_net_update(struct net_device *dev)
1202 {
1203         struct r8192_priv *priv = ieee80211_priv(dev);
1204         struct ieee80211_network *net;
1205         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1206         u16 rate_config = 0;
1207
1208         net = &priv->ieee80211->current_network;
1209
1210         rtl8192_config_rate(dev, &rate_config);
1211         priv->basic_rate = rate_config & 0x15f;
1212
1213         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1214         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1215
1216         rtl8192_update_msr(dev);
1217         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1218                 write_nic_word(dev, ATIMWND, 2);
1219                 write_nic_word(dev, BCN_DMATIME, 1023);
1220                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1221                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1222                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1223                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1224                 /* TODO: BcnIFS may required to be changed on ASIC */
1225                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1226
1227                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1228         }
1229 }
1230
1231 /* temporary hw beacon is not used any more.
1232  * open it when necessary
1233  */
1234 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1235 {
1236
1237 }
1238
1239 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1240 {
1241         struct r8192_priv *priv = ieee80211_priv(dev);
1242         int                     status;
1243         struct urb              *tx_urb;
1244         unsigned int            idx_pipe;
1245         struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
1246         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1247         u8 queue_index = tcb_desc->queue_index;
1248
1249         atomic_inc(&priv->tx_pending[queue_index]);
1250         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1251         if (!tx_urb) {
1252                 dev_kfree_skb(skb);
1253                 return -ENOMEM;
1254         }
1255
1256         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1257         /* Tx descriptor ought to be set according to the skb->cb */
1258         pdesc->FirstSeg = 1;
1259         pdesc->LastSeg = 1;
1260         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1261         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1262         pdesc->OWN = 1;
1263         pdesc->LINIP = tcb_desc->bLastIniPkt;
1264
1265         /*---------------------------------------------------------------------
1266          * Fill up USB_OUT_CONTEXT.
1267          *---------------------------------------------------------------------
1268          */
1269         idx_pipe = 0x04;
1270         usb_fill_bulk_urb(tx_urb, priv->udev,
1271                           usb_sndbulkpipe(priv->udev, idx_pipe),
1272                           skb->data, skb->len, rtl8192_tx_isr, skb);
1273
1274         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1275
1276         if (!status)
1277                 return 0;
1278
1279         DMESGE("Error TX CMD URB, error %d", status);
1280         return -1;
1281 }
1282
1283 /*
1284  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1285  * in TxFwInfo data structure
1286  * 2006.10.30 by Emily
1287  *
1288  * \param QUEUEID       Software Queue
1289  */
1290 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1291 {
1292         u8 QueueSelect = 0x0;       /* default set to */
1293
1294         switch (QueueID) {
1295         case BE_QUEUE:
1296                 QueueSelect = QSLT_BE;
1297                 break;
1298
1299         case BK_QUEUE:
1300                 QueueSelect = QSLT_BK;
1301                 break;
1302
1303         case VO_QUEUE:
1304                 QueueSelect = QSLT_VO;
1305                 break;
1306
1307         case VI_QUEUE:
1308                 QueueSelect = QSLT_VI;
1309                 break;
1310         case MGNT_QUEUE:
1311                 QueueSelect = QSLT_MGNT;
1312                 break;
1313
1314         case BEACON_QUEUE:
1315                 QueueSelect = QSLT_BEACON;
1316                 break;
1317
1318                 /* TODO: mark other queue selection until we verify it is OK */
1319                 /* TODO: Remove Assertions */
1320         case TXCMD_QUEUE:
1321                 QueueSelect = QSLT_CMD;
1322                 break;
1323         case HIGH_QUEUE:
1324                 QueueSelect = QSLT_HIGH;
1325                 break;
1326
1327         default:
1328                 RT_TRACE(COMP_ERR,
1329                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1330                          QueueID);
1331                 break;
1332         }
1333         return QueueSelect;
1334 }
1335
1336 static u8 MRateToHwRate8190Pci(u8 rate)
1337 {
1338         u8  ret = DESC90_RATE1M;
1339
1340         switch (rate) {
1341         case MGN_1M:
1342                 ret = DESC90_RATE1M;
1343                 break;
1344         case MGN_2M:
1345                 ret = DESC90_RATE2M;
1346                 break;
1347         case MGN_5_5M:
1348                 ret = DESC90_RATE5_5M;
1349                 break;
1350         case MGN_11M:
1351                 ret = DESC90_RATE11M;
1352                 break;
1353         case MGN_6M:
1354                 ret = DESC90_RATE6M;
1355                 break;
1356         case MGN_9M:
1357                 ret = DESC90_RATE9M;
1358                 break;
1359         case MGN_12M:
1360                 ret = DESC90_RATE12M;
1361                 break;
1362         case MGN_18M:
1363                 ret = DESC90_RATE18M;
1364                 break;
1365         case MGN_24M:
1366                 ret = DESC90_RATE24M;
1367                 break;
1368         case MGN_36M:
1369                 ret = DESC90_RATE36M;
1370                 break;
1371         case MGN_48M:
1372                 ret = DESC90_RATE48M;
1373                 break;
1374         case MGN_54M:
1375                 ret = DESC90_RATE54M;
1376                 break;
1377
1378         /* HT rate since here */
1379         case MGN_MCS0:
1380                 ret = DESC90_RATEMCS0;
1381                 break;
1382         case MGN_MCS1:
1383                 ret = DESC90_RATEMCS1;
1384                 break;
1385         case MGN_MCS2:
1386                 ret = DESC90_RATEMCS2;
1387                 break;
1388         case MGN_MCS3:
1389                 ret = DESC90_RATEMCS3;
1390                 break;
1391         case MGN_MCS4:
1392                 ret = DESC90_RATEMCS4;
1393                 break;
1394         case MGN_MCS5:
1395                 ret = DESC90_RATEMCS5;
1396                 break;
1397         case MGN_MCS6:
1398                 ret = DESC90_RATEMCS6;
1399                 break;
1400         case MGN_MCS7:
1401                 ret = DESC90_RATEMCS7;
1402                 break;
1403         case MGN_MCS8:
1404                 ret = DESC90_RATEMCS8;
1405                 break;
1406         case MGN_MCS9:
1407                 ret = DESC90_RATEMCS9;
1408                 break;
1409         case MGN_MCS10:
1410                 ret = DESC90_RATEMCS10;
1411                 break;
1412         case MGN_MCS11:
1413                 ret = DESC90_RATEMCS11;
1414                 break;
1415         case MGN_MCS12:
1416                 ret = DESC90_RATEMCS12;
1417                 break;
1418         case MGN_MCS13:
1419                 ret = DESC90_RATEMCS13;
1420                 break;
1421         case MGN_MCS14:
1422                 ret = DESC90_RATEMCS14;
1423                 break;
1424         case MGN_MCS15:
1425                 ret = DESC90_RATEMCS15;
1426                 break;
1427         case (0x80 | 0x20):
1428                 ret = DESC90_RATEMCS32;
1429                 break;
1430
1431         default:
1432                 break;
1433         }
1434         return ret;
1435 }
1436
1437
1438 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1439 {
1440         u8   tmp_Short;
1441
1442         tmp_Short = (TxHT == 1) ?
1443                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1444                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1445
1446         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1447                 tmp_Short = 0;
1448
1449         return tmp_Short;
1450 }
1451
1452 static void tx_zero_isr(struct urb *tx_urb)
1453 {
1454 }
1455
1456 /*
1457  * The tx procedure is just as following,
1458  * skb->cb will contain all the following information,
1459  * priority, morefrag, rate, &dev.
1460  */
1461 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1462 {
1463         struct r8192_priv *priv = ieee80211_priv(dev);
1464         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1465         struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
1466         struct tx_fwinfo_819x_usb *tx_fwinfo =
1467                 (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1468         struct usb_device *udev = priv->udev;
1469         int pend;
1470         int status, rt = -1;
1471         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1472         unsigned int idx_pipe;
1473
1474         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1475         /* we are locked here so the two atomic_read and inc are executed
1476          * without interleaves
1477          * !!! For debug purpose
1478          */
1479         if (pend > MAX_TX_URB) {
1480                 netdev_dbg(dev, "To discard skb packet!\n");
1481                 dev_kfree_skb_any(skb);
1482                 return -1;
1483         }
1484
1485         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1486         if (!tx_urb) {
1487                 dev_kfree_skb_any(skb);
1488                 return -ENOMEM;
1489         }
1490
1491         /* Fill Tx firmware info */
1492         memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
1493         /* DWORD 0 */
1494         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1495         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1496         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1497         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1498                                         tcb_desc);
1499         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1500                 tx_fwinfo->AllowAggregation = 1;
1501                 /* DWORD 1 */
1502                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1503                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1504         } else {
1505                 tx_fwinfo->AllowAggregation = 0;
1506                 /* DWORD 1 */
1507                 tx_fwinfo->RxMF = 0;
1508                 tx_fwinfo->RxAMD = 0;
1509         }
1510
1511         /* Protection mode related */
1512         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1513         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1514         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1515         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1516         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1517         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1518         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1519         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1520                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1521
1522         /* Set Bandwidth and sub-channel settings. */
1523         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1524                 if (tcb_desc->bPacketBW) {
1525                         tx_fwinfo->TxBandwidth = 1;
1526                         /* use duplicated mode */
1527                         tx_fwinfo->TxSubCarrier = 0;
1528                 } else {
1529                         tx_fwinfo->TxBandwidth = 0;
1530                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1531                 }
1532         } else {
1533                 tx_fwinfo->TxBandwidth = 0;
1534                 tx_fwinfo->TxSubCarrier = 0;
1535         }
1536
1537         /* Fill Tx descriptor */
1538         memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
1539         /* DWORD 0 */
1540         tx_desc->LINIP = 0;
1541         tx_desc->CmdInit = 1;
1542         tx_desc->Offset =  sizeof(struct tx_fwinfo_819x_usb) + 8;
1543         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1544
1545         /*DWORD 1*/
1546         tx_desc->SecCAMID = 0;
1547         tx_desc->RATid = tcb_desc->RATRIndex;
1548         tx_desc->NoEnc = 1;
1549         tx_desc->SecType = 0x0;
1550         if (tcb_desc->bHwSec) {
1551                 switch (priv->ieee80211->pairwise_key_type) {
1552                 case KEY_TYPE_WEP40:
1553                 case KEY_TYPE_WEP104:
1554                         tx_desc->SecType = 0x1;
1555                         tx_desc->NoEnc = 0;
1556                         break;
1557                 case KEY_TYPE_TKIP:
1558                         tx_desc->SecType = 0x2;
1559                         tx_desc->NoEnc = 0;
1560                         break;
1561                 case KEY_TYPE_CCMP:
1562                         tx_desc->SecType = 0x3;
1563                         tx_desc->NoEnc = 0;
1564                         break;
1565                 case KEY_TYPE_NA:
1566                         tx_desc->SecType = 0x0;
1567                         tx_desc->NoEnc = 1;
1568                         break;
1569                 }
1570         }
1571
1572         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1573         tx_desc->TxFWInfoSize =  sizeof(struct tx_fwinfo_819x_usb);
1574
1575         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1576         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1577
1578         /* Fill fields that are required to be initialized in
1579          * all of the descriptors
1580          */
1581         /* DWORD 0 */
1582         tx_desc->FirstSeg = 1;
1583         tx_desc->LastSeg = 1;
1584         tx_desc->OWN = 1;
1585
1586         /* DWORD 2 */
1587         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1588         idx_pipe = 0x5;
1589
1590         /* To submit bulk urb */
1591         usb_fill_bulk_urb(tx_urb, udev,
1592                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1593                           skb->len, rtl8192_tx_isr, skb);
1594
1595         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1596         if (!status) {
1597                 /* We need to send 0 byte packet whenever
1598                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1599                  * been transmitted. Otherwise, it will be halt to wait for
1600                  * another packet.
1601                  */
1602                 bool bSend0Byte = false;
1603                 u8 zero = 0;
1604
1605                 if (udev->speed == USB_SPEED_HIGH) {
1606                         if (skb->len > 0 && skb->len % 512 == 0)
1607                                 bSend0Byte = true;
1608                 } else {
1609                         if (skb->len > 0 && skb->len % 64 == 0)
1610                                 bSend0Byte = true;
1611                 }
1612                 if (bSend0Byte) {
1613                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1614                         if (!tx_urb_zero) {
1615                                 rt = -ENOMEM;
1616                                 goto error;
1617                         }
1618                         usb_fill_bulk_urb(tx_urb_zero, udev,
1619                                           usb_sndbulkpipe(udev, idx_pipe),
1620                                           &zero, 0, tx_zero_isr, dev);
1621                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1622                         if (status) {
1623                                 RT_TRACE(COMP_ERR,
1624                                          "Error TX URB for zero byte %d, error %d",
1625                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1626                                          status);
1627                                 goto error;
1628                         }
1629                 }
1630                 netif_trans_update(dev);
1631                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1632                 return 0;
1633         }
1634
1635         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1636                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1637                  status);
1638
1639 error:
1640         dev_kfree_skb_any(skb);
1641         usb_free_urb(tx_urb);
1642         usb_free_urb(tx_urb_zero);
1643         return rt;
1644 }
1645
1646 static short rtl8192_usb_initendpoints(struct net_device *dev)
1647 {
1648         struct r8192_priv *priv = ieee80211_priv(dev);
1649
1650         priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1651                                      GFP_KERNEL);
1652         if (!priv->rx_urb)
1653                 return -ENOMEM;
1654
1655 #ifndef JACKSON_NEW_RX
1656         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1657                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1658                 if (!priv->rx_urb[i])
1659                         return -ENOMEM;
1660
1661                 priv->rx_urb[i]->transfer_buffer =
1662                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1663                 if (!priv->rx_urb[i]->transfer_buffer)
1664                         return -ENOMEM;
1665
1666                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1667         }
1668 #endif
1669
1670 #ifdef THOMAS_BEACON
1671         {
1672                 long align = 0;
1673                 void *oldaddr, *newaddr;
1674
1675                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1676                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1677                 if (!priv->oldaddr)
1678                         return -ENOMEM;
1679                 oldaddr = priv->oldaddr;
1680                 align = ((long)oldaddr) & 3;
1681                 if (align) {
1682                         newaddr = oldaddr + 4 - align;
1683                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1684                 } else {
1685                         newaddr = oldaddr;
1686                         priv->rx_urb[16]->transfer_buffer_length = 16;
1687                 }
1688                 priv->rx_urb[16]->transfer_buffer = newaddr;
1689         }
1690 #endif
1691
1692         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1693         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1694                                  GFP_KERNEL);
1695         if (!priv->pp_rxskb) {
1696                 kfree(priv->rx_urb);
1697
1698                 priv->pp_rxskb = NULL;
1699                 priv->rx_urb = NULL;
1700
1701                 DMESGE("Endpoint Alloc Failure");
1702                 return -ENOMEM;
1703         }
1704
1705         netdev_dbg(dev, "End of initendpoints\n");
1706         return 0;
1707 }
1708
1709 #ifdef THOMAS_BEACON
1710 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1711 {
1712         int i;
1713         struct r8192_priv *priv = ieee80211_priv(dev);
1714
1715         if (priv->rx_urb) {
1716                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1717                         usb_kill_urb(priv->rx_urb[i]);
1718                         usb_free_urb(priv->rx_urb[i]);
1719                 }
1720                 kfree(priv->rx_urb);
1721                 priv->rx_urb = NULL;
1722         }
1723         kfree(priv->oldaddr);
1724         priv->oldaddr = NULL;
1725
1726         kfree(priv->pp_rxskb);
1727         priv->pp_rxskb = NULL;
1728 }
1729 #else
1730 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1731 {
1732         int i;
1733         struct r8192_priv *priv = ieee80211_priv(dev);
1734
1735 #ifndef JACKSON_NEW_RX
1736
1737         if (priv->rx_urb) {
1738                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1739                         usb_kill_urb(priv->rx_urb[i]);
1740                         kfree(priv->rx_urb[i]->transfer_buffer);
1741                         usb_free_urb(priv->rx_urb[i]);
1742                 }
1743                 kfree(priv->rx_urb);
1744                 priv->rx_urb = NULL;
1745         }
1746 #else
1747         kfree(priv->rx_urb);
1748         priv->rx_urb = NULL;
1749         kfree(priv->oldaddr);
1750         priv->oldaddr = NULL;
1751
1752         kfree(priv->pp_rxskb);
1753         priv->pp_rxskb = 0;
1754
1755 #endif
1756 }
1757 #endif
1758
1759 static void rtl8192_update_ratr_table(struct net_device *dev);
1760 static void rtl8192_link_change(struct net_device *dev)
1761 {
1762         struct r8192_priv *priv = ieee80211_priv(dev);
1763         struct ieee80211_device *ieee = priv->ieee80211;
1764
1765         if (ieee->state == IEEE80211_LINKED) {
1766                 rtl8192_net_update(dev);
1767                 rtl8192_update_ratr_table(dev);
1768                 /* Add this as in pure N mode, wep encryption will use software
1769                  * way, but there is no chance to set this as wep will not set
1770                  * group key in wext.
1771                  */
1772                 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1773                     ieee->pairwise_key_type == KEY_TYPE_WEP104)
1774                         EnableHWSecurityConfig8192(dev);
1775         }
1776         /*update timing params*/
1777         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1778                 u32 reg = 0;
1779
1780                 read_nic_dword(dev, RCR, &reg);
1781                 if (priv->ieee80211->state == IEEE80211_LINKED)
1782                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1783                 else
1784                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1785                 write_nic_dword(dev, RCR, reg);
1786         }
1787 }
1788
1789 static const struct ieee80211_qos_parameters def_qos_parameters = {
1790         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1791         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1792         {2, 2, 2, 2},/* aifs */
1793         {0, 0, 0, 0},/* flags */
1794         {0, 0, 0, 0} /* tx_op_limit */
1795 };
1796
1797
1798 static void rtl8192_update_beacon(struct work_struct *work)
1799 {
1800         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1801                                                update_beacon_wq.work);
1802         struct net_device *dev = priv->ieee80211->dev;
1803         struct ieee80211_device *ieee = priv->ieee80211;
1804         struct ieee80211_network *net = &ieee->current_network;
1805
1806         if (ieee->pHTInfo->bCurrentHTSupport)
1807                 HTUpdateSelfAndPeerSetting(ieee, net);
1808         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1809                 net->bssht.bdRT2RTLongSlotTime;
1810         rtl8192_update_cap(dev, net->capability);
1811 }
1812
1813 /*
1814  * background support to run QoS activate functionality
1815  */
1816 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1817                              EDCAPARA_VI, EDCAPARA_VO};
1818 static void rtl8192_qos_activate(struct work_struct *work)
1819 {
1820         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1821                                                qos_activate);
1822         struct net_device *dev = priv->ieee80211->dev;
1823         struct ieee80211_qos_parameters *qos_parameters =
1824                 &priv->ieee80211->current_network.qos_data.parameters;
1825         u8 mode = priv->ieee80211->current_network.mode;
1826         u32  u1bAIFS;
1827         u32 u4bAcParam;
1828         u32 op_limit;
1829         u32 cw_max;
1830         u32 cw_min;
1831         int i;
1832
1833         mutex_lock(&priv->mutex);
1834         if (priv->ieee80211->state != IEEE80211_LINKED)
1835                 goto success;
1836         RT_TRACE(COMP_QOS,
1837                  "qos active process with associate response received\n");
1838         /* It better set slot time at first
1839          *
1840          * For we just support b/g mode at present, let the slot time at
1841          * 9/20 selection
1842          *
1843          * update the ac parameter to related registers
1844          */
1845         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1846                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1847                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1848                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1849                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1850                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1851                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1852                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1853                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1854                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1855                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1856                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1857         }
1858
1859 success:
1860         mutex_unlock(&priv->mutex);
1861 }
1862
1863 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1864                                              int active_network,
1865                                              struct ieee80211_network *network)
1866 {
1867         int ret = 0;
1868         u32 size = sizeof(struct ieee80211_qos_parameters);
1869
1870         if (priv->ieee80211->state != IEEE80211_LINKED)
1871                 return ret;
1872
1873         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1874                 return ret;
1875
1876         if (network->flags & NETWORK_HAS_QOS_MASK) {
1877                 if (active_network &&
1878                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1879                         network->qos_data.active = network->qos_data.supported;
1880
1881                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1882                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1883                     (network->qos_data.old_param_count !=
1884                      network->qos_data.param_count)) {
1885                         network->qos_data.old_param_count =
1886                                 network->qos_data.param_count;
1887                         schedule_work(&priv->qos_activate);
1888                         RT_TRACE(COMP_QOS,
1889                                  "QoS parameters change call qos_activate\n");
1890                 }
1891         } else {
1892                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1893                        &def_qos_parameters, size);
1894
1895                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1896                         schedule_work(&priv->qos_activate);
1897                         RT_TRACE(COMP_QOS,
1898                                  "QoS was disabled call qos_activate\n");
1899                 }
1900                 network->qos_data.active = 0;
1901                 network->qos_data.supported = 0;
1902         }
1903
1904         return 0;
1905 }
1906
1907 /* handle and manage frame from beacon and probe response */
1908 static int rtl8192_handle_beacon(struct net_device *dev,
1909                                  struct ieee80211_beacon *beacon,
1910                                  struct ieee80211_network *network)
1911 {
1912         struct r8192_priv *priv = ieee80211_priv(dev);
1913
1914         rtl8192_qos_handle_probe_response(priv, 1, network);
1915         schedule_delayed_work(&priv->update_beacon_wq, 0);
1916         return 0;
1917 }
1918
1919 /*
1920  * handling the beaconing responses. if we get different QoS setting
1921  * off the network from the associated setting, adjust the QoS
1922  * setting
1923  */
1924 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1925                                         struct ieee80211_network *network)
1926 {
1927         unsigned long flags;
1928         u32 size = sizeof(struct ieee80211_qos_parameters);
1929         int set_qos_param = 0;
1930
1931         if (!priv || !network)
1932                 return 0;
1933
1934         if (priv->ieee80211->state != IEEE80211_LINKED)
1935                 return 0;
1936
1937         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1938                 return 0;
1939
1940         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1941         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1942                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1943                        &network->qos_data.parameters,
1944                        sizeof(struct ieee80211_qos_parameters));
1945                 priv->ieee80211->current_network.qos_data.active = 1;
1946                 set_qos_param = 1;
1947                 /* update qos parameter for current network */
1948                 priv->ieee80211->current_network.qos_data.old_param_count =
1949                         priv->ieee80211->current_network.qos_data.param_count;
1950                 priv->ieee80211->current_network.qos_data.param_count =
1951                         network->qos_data.param_count;
1952         } else {
1953                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1954                        &def_qos_parameters, size);
1955                 priv->ieee80211->current_network.qos_data.active = 0;
1956                 priv->ieee80211->current_network.qos_data.supported = 0;
1957                 set_qos_param = 1;
1958         }
1959
1960         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1961
1962         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1963                  network->flags,
1964                  priv->ieee80211->current_network.qos_data.active);
1965         if (set_qos_param == 1)
1966                 schedule_work(&priv->qos_activate);
1967
1968
1969         return 0;
1970 }
1971
1972
1973 static int rtl8192_handle_assoc_response(
1974                 struct net_device *dev,
1975                 struct ieee80211_assoc_response_frame *resp,
1976                 struct ieee80211_network *network)
1977 {
1978         struct r8192_priv *priv = ieee80211_priv(dev);
1979
1980         rtl8192_qos_association_resp(priv, network);
1981         return 0;
1982 }
1983
1984
1985 static void rtl8192_update_ratr_table(struct net_device *dev)
1986 {
1987         struct r8192_priv *priv = ieee80211_priv(dev);
1988         struct ieee80211_device *ieee = priv->ieee80211;
1989         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1990         u32 ratr_value = 0;
1991         u8 rate_index = 0;
1992
1993         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1994         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1995         switch (ieee->mode) {
1996         case IEEE_A:
1997                 ratr_value &= 0x00000FF0;
1998                 break;
1999         case IEEE_B:
2000                 ratr_value &= 0x0000000F;
2001                 break;
2002         case IEEE_G:
2003                 ratr_value &= 0x00000FF7;
2004                 break;
2005         case IEEE_N_24G:
2006         case IEEE_N_5G:
2007                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2008                         ratr_value &= 0x0007F007;
2009                 } else {
2010                         if (priv->rf_type == RF_1T2R)
2011                                 ratr_value &= 0x000FF007;
2012                         else
2013                                 ratr_value &= 0x0F81F007;
2014                 }
2015                 break;
2016         default:
2017                 break;
2018         }
2019         ratr_value &= 0x0FFFFFFF;
2020         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2021                 ratr_value |= 0x80000000;
2022         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2023                  ieee->pHTInfo->bCurShortGI20MHz)
2024                 ratr_value |= 0x80000000;
2025         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2026         write_nic_byte(dev, UFWP, 1);
2027 }
2028
2029 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2030 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2031 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2032 {
2033         struct r8192_priv *priv = ieee80211_priv(dev);
2034         struct ieee80211_device *ieee = priv->ieee80211;
2035         struct ieee80211_network *network = &ieee->current_network;
2036         int wpa_ie_len = ieee->wpa_ie_len;
2037         struct ieee80211_crypt_data *crypt;
2038         int encrypt;
2039
2040         crypt = ieee->crypt[ieee->tx_keyidx];
2041         /* we use connecting AP's capability instead of only security config
2042          * on our driver to distinguish whether it should use N mode or G mode
2043          */
2044         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2045                   (ieee->host_encrypt && crypt && crypt->ops &&
2046                    (strcmp(crypt->ops->name, "WEP") == 0));
2047
2048         /* simply judge  */
2049         if (encrypt && (wpa_ie_len == 0)) {
2050                 /* wep encryption, no N mode setting */
2051                 return false;
2052         } else if ((wpa_ie_len != 0)) {
2053                 /* parse pairwise key type */
2054                 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))))
2055                         return true;
2056                 else
2057                         return false;
2058         } else {
2059                 return true;
2060         }
2061
2062         return true;
2063 }
2064
2065 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2066 {
2067         struct r8192_priv *priv = ieee80211_priv(dev);
2068
2069         return priv->ieee80211->bHalfWirelessN24GMode;
2070 }
2071
2072 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2073 {
2074         struct ieee80211_device *ieee = priv->ieee80211;
2075         /* We do not consider set support rate for ABG mode, only
2076          * HT MCS rate is set here.
2077          */
2078         if (ieee->mode == WIRELESS_MODE_N_24G ||
2079             ieee->mode == WIRELESS_MODE_N_5G)
2080                 memcpy(ieee->Regdot11HTOperationalRateSet,
2081                        ieee->RegHTSuppRateSet, 16);
2082         else
2083                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2084 }
2085
2086 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2087 {
2088         struct r8192_priv *priv = ieee80211_priv(dev);
2089         u8 ret = 0;
2090
2091         switch (priv->rf_chip) {
2092         case RF_8225:
2093         case RF_8256:
2094         case RF_PSEUDO_11N:
2095                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2096                 break;
2097         case RF_8258:
2098                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2099                 break;
2100         default:
2101                 ret = WIRELESS_MODE_B;
2102                 break;
2103         }
2104         return ret;
2105 }
2106
2107 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2108 {
2109         struct r8192_priv *priv = ieee80211_priv(dev);
2110         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2111
2112         if (wireless_mode == WIRELESS_MODE_AUTO ||
2113             (wireless_mode & bSupportMode) == 0) {
2114                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2115                         wireless_mode = WIRELESS_MODE_N_24G;
2116                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2117                         wireless_mode = WIRELESS_MODE_N_5G;
2118                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2119                         wireless_mode = WIRELESS_MODE_A;
2120                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2121                         wireless_mode = WIRELESS_MODE_G;
2122                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2123                         wireless_mode = WIRELESS_MODE_B;
2124                 } else {
2125                         RT_TRACE(COMP_ERR,
2126                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2127                                  __func__, bSupportMode);
2128                         wireless_mode = WIRELESS_MODE_B;
2129                 }
2130         }
2131 #ifdef TO_DO_LIST
2132         /* TODO: this function doesn't work well at this time,
2133          * we should wait for FPGA
2134          */
2135         ActUpdateChannelAccessSetting(
2136                         pAdapter, pHalData->CurrentWirelessMode,
2137                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2138 #endif
2139         priv->ieee80211->mode = wireless_mode;
2140
2141         if (wireless_mode == WIRELESS_MODE_N_24G ||
2142             wireless_mode == WIRELESS_MODE_N_5G)
2143                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2144         else
2145                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2146         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2147         rtl8192_refresh_supportrate(priv);
2148 }
2149
2150 /* init priv variables here. only non_zero value should be initialized here. */
2151 static void rtl8192_init_priv_variable(struct net_device *dev)
2152 {
2153         struct r8192_priv *priv = ieee80211_priv(dev);
2154         u8 i;
2155
2156         priv->card_8192 = NIC_8192U;
2157         priv->chan = 1; /* set to channel 1 */
2158         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2159         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2160         priv->ieee80211->ieee_up = 0;
2161         priv->retry_rts = DEFAULT_RETRY_RTS;
2162         priv->retry_data = DEFAULT_RETRY_DATA;
2163         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2164         priv->ieee80211->rate = 110; /* 11 mbps */
2165         priv->ieee80211->short_slot = 1;
2166         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2167         priv->CckPwEnl = 6;
2168         /* for silent reset */
2169         priv->IrpPendingCount = 1;
2170         priv->ResetProgress = RESET_TYPE_NORESET;
2171         priv->bForcedSilentReset = false;
2172         priv->bDisableNormalResetCheck = false;
2173         priv->force_reset = false;
2174
2175         /* we don't use FW read/write RF until stable firmware is available. */
2176         priv->ieee80211->FwRWRF = 0;
2177         priv->ieee80211->current_network.beacon_interval =
2178                 DEFAULT_BEACONINTERVAL;
2179         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2180                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2181                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2182                 IEEE_SOFTMAC_BEACONS;
2183
2184         priv->ieee80211->active_scan = 1;
2185         priv->ieee80211->modulation =
2186                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2187         priv->ieee80211->host_encrypt = 1;
2188         priv->ieee80211->host_decrypt = 1;
2189         priv->ieee80211->start_send_beacons = NULL;
2190         priv->ieee80211->stop_send_beacons = NULL;
2191         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2192         priv->ieee80211->set_chan = rtl8192_set_chan;
2193         priv->ieee80211->link_change = rtl8192_link_change;
2194         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2195         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2196         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2197         priv->ieee80211->init_wmmparam_flag = 0;
2198         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2199         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2200         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2201         priv->ieee80211->qos_support = 1;
2202
2203         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2204         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2205         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2206
2207         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2208         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2209                 GetHalfNmodeSupportByAPs819xUsb;
2210         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2211
2212         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2213         priv->card_type = USB;
2214 #ifdef TO_DO_LIST
2215         if (Adapter->bInHctTest) {
2216                 pHalData->ShortRetryLimit = 7;
2217                 pHalData->LongRetryLimit = 7;
2218         }
2219 #endif
2220         priv->ShortRetryLimit = 0x30;
2221         priv->LongRetryLimit = 0x30;
2222         priv->EarlyRxThreshold = 7;
2223         priv->enable_gpio0 = 0;
2224         priv->TransmitConfig =
2225                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2226                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2227                 /* Short retry limit */
2228                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2229                 /* Long retry limit */
2230                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2231                 /* FALSE: HW provides PLCP length and LENGEXT
2232                  * TRUE: SW provides them
2233                  */
2234                 (false ? TCR_SAT : 0);
2235 #ifdef TO_DO_LIST
2236         if (Adapter->bInHctTest)
2237                 pHalData->ReceiveConfig =
2238                         pHalData->CSMethod |
2239                         /* accept management/data */
2240                         RCR_AMF | RCR_ADF |
2241                         /* accept control frame for SW
2242                          * AP needs PS-poll
2243                          */
2244                         RCR_ACF |
2245                         /* accept BC/MC/UC */
2246                         RCR_AB | RCR_AM | RCR_APM |
2247                         /* accept ICV/CRC error
2248                          * packet
2249                          */
2250                         RCR_AICV | RCR_ACRC32 |
2251                         /* Max DMA Burst Size per Tx
2252                          * DMA Burst, 7: unlimited.
2253                          */
2254                         ((u32)7 << RCR_MXDMA_OFFSET) |
2255                         /* Rx FIFO Threshold,
2256                          * 7: No Rx threshold.
2257                          */
2258                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2259                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2260         else
2261
2262 #endif
2263         priv->ReceiveConfig     =
2264                 /* accept management/data */
2265                 RCR_AMF | RCR_ADF |
2266                 /* accept control frame for SW AP needs PS-poll */
2267                 RCR_ACF |
2268                 /* accept BC/MC/UC */
2269                 RCR_AB | RCR_AM | RCR_APM |
2270                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2271                 ((u32)7 << RCR_MXDMA_OFFSET) |
2272                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2273                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2274                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2275
2276         priv->AcmControl = 0;
2277         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2278
2279         /* rx related queue */
2280         skb_queue_head_init(&priv->rx_queue);
2281         skb_queue_head_init(&priv->skb_queue);
2282
2283         /* Tx related queue */
2284         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2285                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2286         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2287                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2288         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2289                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2290         priv->rf_set_chan = rtl8192_phy_SwChnl;
2291 }
2292
2293 /* init lock here */
2294 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2295 {
2296         spin_lock_init(&priv->tx_lock);
2297         spin_lock_init(&priv->irq_lock);
2298         mutex_init(&priv->wx_mutex);
2299         mutex_init(&priv->mutex);
2300 }
2301
2302 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2303
2304 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2305 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2306 #define DRV_NAME "wlan0"
2307 static void rtl8192_init_priv_task(struct net_device *dev)
2308 {
2309         struct r8192_priv *priv = ieee80211_priv(dev);
2310
2311
2312         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2313
2314         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2315                           rtl819x_watchdog_wqcallback);
2316         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2317                           dm_txpower_trackingcallback);
2318         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2319                           dm_rf_pathcheck_workitemcallback);
2320         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2321                           rtl8192_update_beacon);
2322         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2323                           InitialGainOperateWorkItemCallBack);
2324         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2325
2326         tasklet_init(&priv->irq_rx_tasklet,
2327                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2328                      (unsigned long)priv);
2329 }
2330
2331 static void rtl8192_get_eeprom_size(struct net_device *dev)
2332 {
2333         u16 curCR = 0;
2334         struct r8192_priv *priv = ieee80211_priv(dev);
2335
2336         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2337         read_nic_word_E(dev, EPROM_CMD, &curCR);
2338         RT_TRACE(COMP_EPROM,
2339                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2340         /* whether need I consider BIT(5?) */
2341         priv->epromtype =
2342                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2343         RT_TRACE(COMP_EPROM,
2344                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2345 }
2346
2347 /* used to swap endian. as ntohl & htonl are not necessary
2348  * to swap endian, so use this instead.
2349  */
2350 static inline u16 endian_swap(u16 *data)
2351 {
2352         u16 tmp = *data;
2353         *data = (tmp >> 8) | (tmp << 8);
2354         return *data;
2355 }
2356
2357 static int rtl8192_read_eeprom_info(struct net_device *dev)
2358 {
2359         u16 wEPROM_ID = 0;
2360         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2361         u8 bLoad_From_EEPOM = false;
2362         struct r8192_priv *priv = ieee80211_priv(dev);
2363         u16 tmpValue = 0;
2364         int i;
2365         int ret;
2366
2367         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2368         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2369         if (ret < 0)
2370                 return ret;
2371         wEPROM_ID = (u16)ret;
2372         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2373
2374         if (wEPROM_ID != RTL8190_EEPROM_ID)
2375                 RT_TRACE(COMP_ERR,
2376                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2377                          wEPROM_ID, RTL8190_EEPROM_ID);
2378         else
2379                 bLoad_From_EEPOM = true;
2380
2381         if (bLoad_From_EEPOM) {
2382                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2383                 ret = eprom_read(dev, EEPROM_VID >> 1);
2384                 if (ret < 0)
2385                         return ret;
2386                 tmpValue = (u16)ret;
2387                 priv->eeprom_vid = endian_swap(&tmpValue);
2388                 ret = eprom_read(dev, EEPROM_PID >> 1);
2389                 if (ret < 0)
2390                         return ret;
2391                 priv->eeprom_pid = (u16)ret;
2392                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2393                 if (ret < 0)
2394                         return ret;
2395                 tmpValue = (u16)ret;
2396                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2397                 priv->btxpowerdata_readfromEEPORM = true;
2398                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2399                 if (ret < 0)
2400                         return ret;
2401                 priv->eeprom_CustomerID = (u16)ret;
2402         } else {
2403                 priv->eeprom_vid = 0;
2404                 priv->eeprom_pid = 0;
2405                 priv->card_8192_version = VERSION_819xU_B;
2406                 priv->eeprom_ChannelPlan = 0;
2407                 priv->eeprom_CustomerID = 0;
2408         }
2409         RT_TRACE(COMP_EPROM,
2410                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2411                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2412                  priv->eeprom_ChannelPlan);
2413         /* set channelplan from eeprom */
2414         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2415         if (bLoad_From_EEPOM) {
2416                 int i;
2417
2418                 for (i = 0; i < 6; i += 2) {
2419                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2420                         if (ret < 0)
2421                                 return ret;
2422                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2423                 }
2424         } else {
2425                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2426                 /* should I set IDR0 here? */
2427         }
2428         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2429         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2430         priv->rf_chip = RF_8256;
2431
2432         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2433                 /* read Tx power gain offset of legacy OFDM to HT rate */
2434                 if (bLoad_From_EEPOM) {
2435                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2436                         if (ret < 0)
2437                                 return ret;
2438                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2439                 } else
2440                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2441                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2442                 /* read ThermalMeter from EEPROM */
2443                 if (bLoad_From_EEPOM) {
2444                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2445                         if (ret < 0)
2446                                 return ret;
2447                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2448                 } else
2449                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2450                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2451                 /* for tx power track */
2452                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2453                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2454                 if (bLoad_From_EEPOM) {
2455                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2456                         if (ret < 0)
2457                                 return ret;
2458                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2459                 } else
2460                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2461                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2462                 /* Read CrystalCap from EEPROM */
2463                 if (bLoad_From_EEPOM) {
2464                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2465                         if (ret < 0)
2466                                 return ret;
2467                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2468                 } else
2469                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2470                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2471                 /* get per-channel Tx power level */
2472                 if (bLoad_From_EEPOM) {
2473                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2474                         if (ret < 0)
2475                                 return ret;
2476                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2477                 } else
2478                         priv->EEPROM_Def_Ver = 1;
2479                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2480                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2481                         int i;
2482
2483                         if (bLoad_From_EEPOM) {
2484                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2485                                 if (ret < 0)
2486                                         return ret;
2487                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
2488                         } else
2489                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2490                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2491                         for (i = 0; i < 3; i++) {
2492                                 if (bLoad_From_EEPOM) {
2493                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2494                                         if (ret < 0)
2495                                                 return ret;
2496                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2497                                                 tmpValue = (u16)ret & 0x00ff;
2498                                         else
2499                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2500                                 } else {
2501                                         tmpValue = 0x10;
2502                                 }
2503                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2504                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2505                         }
2506                 } else if (priv->EEPROM_Def_Ver == 1) {
2507                         if (bLoad_From_EEPOM) {
2508                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2509                                 if (ret < 0)
2510                                         return ret;
2511                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2512                         } else {
2513                                 tmpValue = 0x10;
2514                         }
2515                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2516
2517                         if (bLoad_From_EEPOM) {
2518                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2519                                 if (ret < 0)
2520                                         return ret;
2521                                 tmpValue = (u16)ret;
2522                         } else
2523                                 tmpValue = 0x1010;
2524                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2525                         if (bLoad_From_EEPOM)
2526                                 tmpValue = eprom_read(dev,
2527                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2528                         else
2529                                 tmpValue = 0x1010;
2530                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2531                         if (bLoad_From_EEPOM)
2532                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2533                         else
2534                                 tmpValue = 0x10;
2535                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2536                 } /* endif EEPROM_Def_Ver == 1 */
2537
2538                 /* update HAL variables */
2539                 for (i = 0; i < 14; i++) {
2540                         if (i <= 3)
2541                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2542                         else if (i >= 4 && i <= 9)
2543                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2544                         else
2545                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2546                 }
2547
2548                 for (i = 0; i < 14; i++) {
2549                         if (priv->EEPROM_Def_Ver == 0) {
2550                                 if (i <= 3)
2551                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2552                                 else if (i >= 4 && i <= 9)
2553                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2554                                 else
2555                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2556                         } else if (priv->EEPROM_Def_Ver == 1) {
2557                                 if (i <= 3)
2558                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2559                                 else if (i >= 4 && i <= 9)
2560                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2561                                 else
2562                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2563                         }
2564                 }
2565                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2566                 /* Antenna B gain offset to antenna A, bit0~3 */
2567                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2568                 /* Antenna C gain offset to antenna A, bit4~7 */
2569                 priv->AntennaTxPwDiff[1] =
2570                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2571                 /* CrystalCap, bit12~15 */
2572                 priv->CrystalCap = priv->EEPROMCrystalCap;
2573                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2574                  * 92U does not enable TX power tracking.
2575                  */
2576                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2577         } /* end if VersionID == VERSION_819xU_A */
2578
2579         /* for dlink led */
2580         switch (priv->eeprom_CustomerID) {
2581         case EEPROM_CID_RUNTOP:
2582                 priv->CustomerID = RT_CID_819x_RUNTOP;
2583                 break;
2584
2585         case EEPROM_CID_DLINK:
2586                 priv->CustomerID = RT_CID_DLINK;
2587                 break;
2588
2589         default:
2590                 priv->CustomerID = RT_CID_DEFAULT;
2591                 break;
2592         }
2593
2594         switch (priv->CustomerID) {
2595         case RT_CID_819x_RUNTOP:
2596                 priv->LedStrategy = SW_LED_MODE2;
2597                 break;
2598
2599         case RT_CID_DLINK:
2600                 priv->LedStrategy = SW_LED_MODE4;
2601                 break;
2602
2603         default:
2604                 priv->LedStrategy = SW_LED_MODE0;
2605                 break;
2606         }
2607
2608
2609         if (priv->rf_type == RF_1T2R)
2610                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2611         else
2612                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2613
2614         /* We can only know RF type in the function. So we have to init
2615          * DIG RATR table again.
2616          */
2617         init_rate_adaptive(dev);
2618
2619         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2620
2621         return 0;
2622 }
2623
2624 static short rtl8192_get_channel_map(struct net_device *dev)
2625 {
2626         struct r8192_priv *priv = ieee80211_priv(dev);
2627
2628         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2629                 netdev_err(dev,
2630                            "rtl8180_init: Error channel plan! Set to default.\n");
2631                 priv->ChannelPlan = 0;
2632         }
2633         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2634
2635         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2636         return 0;
2637 }
2638
2639 static short rtl8192_init(struct net_device *dev)
2640 {
2641         struct r8192_priv *priv = ieee80211_priv(dev);
2642         int err;
2643
2644         memset(&(priv->stats), 0, sizeof(struct Stats));
2645         memset(priv->txqueue_to_outpipemap, 0, 9);
2646 #ifdef PIPE12
2647         {
2648                 int i = 0;
2649                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2650
2651                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2652         }
2653 #else
2654         {
2655                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2656
2657                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2658         }
2659 #endif
2660         rtl8192_init_priv_variable(dev);
2661         rtl8192_init_priv_lock(priv);
2662         rtl8192_init_priv_task(dev);
2663         rtl8192_get_eeprom_size(dev);
2664         err = rtl8192_read_eeprom_info(dev);
2665         if (err) {
2666                 DMESG("Reading EEPROM info failed");
2667                 return err;
2668         }
2669         rtl8192_get_channel_map(dev);
2670         init_hal_dm(dev);
2671         timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2672         if (rtl8192_usb_initendpoints(dev) != 0) {
2673                 DMESG("Endopoints initialization failed");
2674                 return -ENOMEM;
2675         }
2676
2677         return 0;
2678 }
2679
2680 /******************************************************************************
2681  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2682  *           not to do all the hw config as its name says
2683  *   input:  net_device dev
2684  *  output:  none
2685  *  return:  none
2686  *  notice:  This part need to modified according to the rate set we filtered
2687  * ****************************************************************************/
2688 static void rtl8192_hwconfig(struct net_device *dev)
2689 {
2690         u32 regRATR = 0, regRRSR = 0;
2691         u8 regBwOpMode = 0, regTmp = 0;
2692         struct r8192_priv *priv = ieee80211_priv(dev);
2693         u32 ratr_value = 0;
2694
2695         /* Set RRSR, RATR, and BW_OPMODE registers */
2696         switch (priv->ieee80211->mode) {
2697         case WIRELESS_MODE_B:
2698                 regBwOpMode = BW_OPMODE_20MHZ;
2699                 regRATR = RATE_ALL_CCK;
2700                 regRRSR = RATE_ALL_CCK;
2701                 break;
2702         case WIRELESS_MODE_A:
2703                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2704                 regRATR = RATE_ALL_OFDM_AG;
2705                 regRRSR = RATE_ALL_OFDM_AG;
2706                 break;
2707         case WIRELESS_MODE_G:
2708                 regBwOpMode = BW_OPMODE_20MHZ;
2709                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2710                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2711                 break;
2712         case WIRELESS_MODE_AUTO:
2713 #ifdef TO_DO_LIST
2714                 if (Adapter->bInHctTest) {
2715                         regBwOpMode = BW_OPMODE_20MHZ;
2716                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2717                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2718                 } else
2719 #endif
2720                 {
2721                         regBwOpMode = BW_OPMODE_20MHZ;
2722                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2723                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2724                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2725                 }
2726                 break;
2727         case WIRELESS_MODE_N_24G:
2728                 /* It support CCK rate by default. CCK rate will be filtered
2729                  * out only when associated AP does not support it.
2730                  */
2731                 regBwOpMode = BW_OPMODE_20MHZ;
2732                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2733                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2734                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2735                 break;
2736         case WIRELESS_MODE_N_5G:
2737                 regBwOpMode = BW_OPMODE_5G;
2738                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2739                           RATE_ALL_OFDM_2SS;
2740                 regRRSR = RATE_ALL_OFDM_AG;
2741                 break;
2742         }
2743
2744         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2745         ratr_value = regRATR;
2746         if (priv->rf_type == RF_1T2R)
2747                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2748         write_nic_dword(dev, RATR0, ratr_value);
2749         write_nic_byte(dev, UFWP, 1);
2750         read_nic_byte(dev, 0x313, &regTmp);
2751         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2752         write_nic_dword(dev, RRSR, regRRSR);
2753
2754         /* Set Retry Limit here */
2755         write_nic_word(dev, RETRY_LIMIT,
2756                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2757                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2758         /* Set Contention Window here */
2759
2760         /* Set Tx AGC */
2761
2762         /* Set Tx Antenna including Feedback control */
2763
2764         /* Set Auto Rate fallback control */
2765 }
2766
2767
2768 /* InitializeAdapter and PhyCfg */
2769 static bool rtl8192_adapter_start(struct net_device *dev)
2770 {
2771         struct r8192_priv *priv = ieee80211_priv(dev);
2772         u32 dwRegRead = 0;
2773         bool init_status = true;
2774         u8 SECR_value = 0x0;
2775         u8 tmp;
2776
2777         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2778         priv->Rf_Mode = RF_OP_By_SW_3wire;
2779         /* for ASIC power on sequence */
2780         write_nic_byte_E(dev, 0x5f, 0x80);
2781         mdelay(50);
2782         write_nic_byte_E(dev, 0x5f, 0xf0);
2783         write_nic_byte_E(dev, 0x5d, 0x00);
2784         write_nic_byte_E(dev, 0x5e, 0x80);
2785         write_nic_byte(dev, 0x17, 0x37);
2786         mdelay(10);
2787         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2788         /* config CPUReset Register */
2789         /* Firmware Reset or not? */
2790         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2791         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2792                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2793         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2794                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2795         else
2796                 RT_TRACE(COMP_ERR,
2797                          "ERROR in %s(): undefined firmware state(%d)\n",
2798                          __func__,   priv->pFirmware->firmware_status);
2799
2800         write_nic_dword(dev, CPU_GEN, dwRegRead);
2801         /* config BB. */
2802         rtl8192_BBConfig(dev);
2803
2804         /* Loopback mode or not */
2805         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2806
2807         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2808         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2809                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2810                             CPU_GEN_NO_LOOPBACK_SET;
2811         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2812                 dwRegRead |= CPU_CCK_LOOPBACK;
2813         else
2814                 RT_TRACE(COMP_ERR,
2815                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2816                          __func__,  priv->LoopbackMode);
2817
2818         write_nic_dword(dev, CPU_GEN, dwRegRead);
2819
2820         /* after reset cpu, we need wait for a seconds to write in register. */
2821         udelay(500);
2822
2823         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2824         read_nic_byte_E(dev, 0x5f, &tmp);
2825         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2826
2827         /* Set Hardware */
2828         rtl8192_hwconfig(dev);
2829
2830         /* turn on Tx/Rx */
2831         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2832
2833         /* set IDR0 here */
2834         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2835         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2836
2837         /* set RCR */
2838         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2839
2840         /* Initialize Number of Reserved Pages in Firmware Queue */
2841         write_nic_dword(dev, RQPN1,
2842                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2843                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2844                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2845                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2846         write_nic_dword(dev, RQPN2,
2847                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2848                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2849         write_nic_dword(dev, RQPN3,
2850                 APPLIED_RESERVED_QUEUE_IN_FW |
2851                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2852         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2853
2854         /* Set AckTimeout */
2855         /* TODO: (it value is only for FPGA version). need to be changed!! */
2856         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2857
2858         if (priv->ResetProgress == RESET_TYPE_NORESET)
2859                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2860         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2861                 CamResetAllEntry(dev);
2862                 SECR_value |= SCR_TxEncEnable;
2863                 SECR_value |= SCR_RxDecEnable;
2864                 SECR_value |= SCR_NoSKMC;
2865                 write_nic_byte(dev, SECR, SECR_value);
2866         }
2867
2868         /* Beacon related */
2869         write_nic_word(dev, ATIMWND, 2);
2870         write_nic_word(dev, BCN_INTERVAL, 100);
2871
2872 #define DEFAULT_EDCA 0x005e4332
2873         {
2874                 int i;
2875
2876                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2877                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2878         }
2879
2880         rtl8192_phy_configmac(dev);
2881
2882         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2883                 rtl8192_phy_getTxPower(dev);
2884                 rtl8192_phy_setTxPower(dev, priv->chan);
2885         }
2886
2887         /* Firmware download */
2888         init_status = init_firmware(dev);
2889         if (!init_status) {
2890                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2891                          __func__);
2892                 return init_status;
2893         }
2894         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2895
2896 #ifdef TO_DO_LIST
2897         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2898                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2899                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2900                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2901                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2902                         /* Those actions will be discard in MgntActSet_RF_State
2903                          * because of the same state
2904                          */
2905                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2906                                 PHY_SetRFReg(Adapter,
2907                                              (enum rf90_radio_path_e)eRFPath,
2908                                              0x4, 0xC00, 0x0);
2909                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2910                         /* H/W or S/W RF OFF before sleep. */
2911                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2912                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2913                                   pMgntInfo->RfOffReason));
2914                         MgntActSet_RF_State(Adapter,
2915                                             eRfOff,
2916                                             pMgntInfo->RfOffReason);
2917                 } else {
2918                         pHalData->eRFPowerState = eRfOn;
2919                         pMgntInfo->RfOffReason = 0;
2920                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2921                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2922                 }
2923         } else {
2924                 if (pHalData->eRFPowerState == eRfOff) {
2925                         MgntActSet_RF_State(Adapter,
2926                                             eRfOff,
2927                                             pMgntInfo->RfOffReason);
2928                         /* Those actions will be discard in MgntActSet_RF_State
2929                          * because of the same state
2930                          */
2931                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2932                                 PHY_SetRFReg(Adapter,
2933                                              (enum rf90_radio_path_e)eRFPath,
2934                                              0x4, 0xC00, 0x0);
2935                 }
2936         }
2937 #endif
2938         /* config RF. */
2939         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2940                 rtl8192_phy_RFConfig(dev);
2941                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2942         }
2943
2944
2945         if (priv->ieee80211->FwRWRF)
2946                 /* We can force firmware to do RF-R/W */
2947                 priv->Rf_Mode = RF_OP_By_FW;
2948         else
2949                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2950
2951
2952         rtl8192_phy_updateInitGain(dev);
2953         /*--set CCK and OFDM Block "ON"--*/
2954         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2955         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2956
2957         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2958                 /* if D or C cut */
2959                 u8 tmpvalue;
2960
2961                 read_nic_byte(dev, 0x301, &tmpvalue);
2962                 if (tmpvalue == 0x03) {
2963                         priv->bDcut = true;
2964                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2965                 } else {
2966                         priv->bDcut = false;
2967                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2968                 }
2969                 dm_initialize_txpower_tracking(dev);
2970
2971                 if (priv->bDcut) {
2972                         u32 i, TempCCk;
2973                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
2974                                                          rOFDM0_XATxIQImbalance,
2975                                                          bMaskDWord);
2976
2977                         for (i = 0; i < TxBBGainTableLength; i++) {
2978                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2979                                         priv->rfa_txpowertrackingindex = (u8)i;
2980                                         priv->rfa_txpowertrackingindex_real =
2981                                                 (u8)i;
2982                                         priv->rfa_txpowertracking_default =
2983                                                 priv->rfa_txpowertrackingindex;
2984                                         break;
2985                                 }
2986                         }
2987
2988                         TempCCk = rtl8192_QueryBBReg(dev,
2989                                                      rCCK0_TxFilter1,
2990                                                      bMaskByte2);
2991
2992                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
2993                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2994                                         priv->cck_present_attenuation_20Mdefault = (u8)i;
2995                                         break;
2996                                 }
2997                         }
2998                         priv->cck_present_attenuation_40Mdefault = 0;
2999                         priv->cck_present_attenuation_difference = 0;
3000                         priv->cck_present_attenuation =
3001                                 priv->cck_present_attenuation_20Mdefault;
3002                 }
3003         }
3004         write_nic_byte(dev, 0x87, 0x0);
3005
3006
3007         return init_status;
3008 }
3009
3010 /* this configures registers for beacon tx and enables it via
3011  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3012  * be used to stop beacon transmission
3013  */
3014 /***************************************************************************
3015  *   -------------------------------NET STUFF---------------------------
3016  ***************************************************************************/
3017
3018 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3019 {
3020         struct r8192_priv *priv = ieee80211_priv(dev);
3021
3022         return &priv->ieee80211->stats;
3023 }
3024
3025 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3026 {
3027         struct r8192_priv *priv = ieee80211_priv(dev);
3028         u16             RegTxCounter;
3029         bool            bStuck = false;
3030
3031         read_nic_word(dev, 0x128, &RegTxCounter);
3032         RT_TRACE(COMP_RESET,
3033                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3034                  RegTxCounter, priv->TxCounter);
3035         if (priv->TxCounter == RegTxCounter)
3036                 bStuck = true;
3037
3038         priv->TxCounter = RegTxCounter;
3039
3040         return bStuck;
3041 }
3042
3043 /*
3044  *      <Assumption: RT_TX_SPINLOCK is acquired.>
3045  *      First added: 2006.11.19 by emily
3046  */
3047 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3048 {
3049         struct r8192_priv *priv = ieee80211_priv(dev);
3050         u8                      QueueID;
3051         bool                    bCheckFwTxCnt = false;
3052
3053         /* Decide such threshold according to current power save mode */
3054
3055         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3056                 if (QueueID == TXCMD_QUEUE)
3057                         continue;
3058                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3059                         continue;
3060
3061                 bCheckFwTxCnt = true;
3062         }
3063         if (bCheckFwTxCnt) {
3064                 if (HalTxCheckStuck819xUsb(dev)) {
3065                         RT_TRACE(COMP_RESET,
3066                                  "%s: Fw indicates no Tx condition!\n",
3067                                  __func__);
3068                         return RESET_TYPE_SILENT;
3069                 }
3070         }
3071         return RESET_TYPE_NORESET;
3072 }
3073
3074 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3075 {
3076         u16     RegRxCounter;
3077         struct r8192_priv *priv = ieee80211_priv(dev);
3078         bool bStuck = false;
3079         static u8       rx_chk_cnt;
3080
3081         read_nic_word(dev, 0x130, &RegRxCounter);
3082         RT_TRACE(COMP_RESET,
3083                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3084                  RegRxCounter, priv->RxCounter);
3085         /* If rssi is small, we should check rx for long time because of bad rx.
3086          * or maybe it will continuous silent reset every 2 seconds.
3087          */
3088         rx_chk_cnt++;
3089         if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
3090                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3091         } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
3092                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
3093                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
3094                 if (rx_chk_cnt < 2)
3095                         return bStuck;
3096
3097                 rx_chk_cnt = 0;
3098         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
3099                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
3100                      priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
3101                 if (rx_chk_cnt < 4)
3102                         return bStuck;
3103
3104                 rx_chk_cnt = 0;
3105         } else {
3106                 if (rx_chk_cnt < 8)
3107                         return bStuck;
3108
3109                 rx_chk_cnt = 0;
3110         }
3111
3112         if (priv->RxCounter == RegRxCounter)
3113                 bStuck = true;
3114
3115         priv->RxCounter = RegRxCounter;
3116
3117         return bStuck;
3118 }
3119
3120 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3121 {
3122         struct r8192_priv *priv = ieee80211_priv(dev);
3123         bool        bRxCheck = false;
3124
3125         if (priv->IrpPendingCount > 1)
3126                 bRxCheck = true;
3127
3128         if (bRxCheck) {
3129                 if (HalRxCheckStuck819xUsb(dev)) {
3130                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3131                         return RESET_TYPE_SILENT;
3132                 }
3133         }
3134         return RESET_TYPE_NORESET;
3135 }
3136
3137
3138 /**
3139  * This function is called by Checkforhang to check whether we should
3140  * ask OS to reset driver
3141  *
3142  * \param pAdapter      The adapter context for this miniport
3143  *
3144  * Note:NIC with USB interface sholud not call this function because we
3145  * cannot scan descriptor to judge whether there is tx stuck.
3146  * Note: This function may be required to be rewrite for Vista OS.
3147  * <<<Assumption: Tx spinlock has been acquired >>>
3148  *
3149  * 8185 and 8185b does not implement this function.
3150  */
3151 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3152 {
3153         struct r8192_priv *priv = ieee80211_priv(dev);
3154         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3155         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3156         RT_RF_POWER_STATE       rfState;
3157
3158         rfState = priv->ieee80211->eRFPowerState;
3159
3160         TxResetType = TxCheckStuck(dev);
3161         if (rfState != eRfOff ||
3162             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3163                 /* If driver is in the status of firmware download failure,
3164                  * driver skips RF initialization and RF is in turned off
3165                  * state. Driver should check whether Rx stuck and do silent
3166                  * reset. And if driver is in firmware download failure status,
3167                  * driver should initialize RF in the following silent reset
3168                  * procedure
3169                  *
3170                  * Driver should not check RX stuck in IBSS mode because it is
3171                  * required to set Check BSSID in order to send beacon,
3172                  * however, if check BSSID is set, STA cannot hear any packet
3173                  * at all.
3174                  */
3175                 RxResetType = RxCheckStuck(dev);
3176         }
3177         if (TxResetType == RESET_TYPE_NORMAL ||
3178             RxResetType == RESET_TYPE_NORMAL) {
3179                 return RESET_TYPE_NORMAL;
3180         } else if (TxResetType == RESET_TYPE_SILENT ||
3181                    RxResetType == RESET_TYPE_SILENT) {
3182                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3183                 return RESET_TYPE_SILENT;
3184         } else {
3185                 return RESET_TYPE_NORESET;
3186         }
3187 }
3188
3189 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3190 static int _rtl8192_up(struct net_device *dev);
3191 static int rtl8192_close(struct net_device *dev);
3192
3193
3194
3195 static void CamRestoreAllEntry(struct net_device *dev)
3196 {
3197         u8 EntryId = 0;
3198         struct r8192_priv *priv = ieee80211_priv(dev);
3199         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3200
3201         static u8       CAM_CONST_ADDR[4][6] = {
3202                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3203                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3204                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3205                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3206         static u8       CAM_CONST_BROAD[] = {
3207                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3208
3209         RT_TRACE(COMP_SEC, "%s:\n", __func__);
3210
3211
3212         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3213             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3214                 for (EntryId = 0; EntryId < 4; EntryId++) {
3215                         MacAddr = CAM_CONST_ADDR[EntryId];
3216                         setKey(dev, EntryId, EntryId,
3217                                priv->ieee80211->pairwise_key_type,
3218                                MacAddr, 0, NULL);
3219                 }
3220
3221         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3222                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3223                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3224                                (u8 *)dev->dev_addr, 0, NULL);
3225                 else
3226                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3227                                MacAddr, 0, NULL);
3228         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3229                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3230                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3231                                (u8 *)dev->dev_addr, 0, NULL);
3232                 else
3233                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3234                                MacAddr, 0, NULL);
3235         }
3236
3237
3238
3239         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3240                 MacAddr = CAM_CONST_BROAD;
3241                 for (EntryId = 1; EntryId < 4; EntryId++) {
3242                         setKey(dev, EntryId, EntryId,
3243                                priv->ieee80211->group_key_type,
3244                                MacAddr, 0, NULL);
3245                 }
3246                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3247                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3248                                CAM_CONST_ADDR[0], 0, NULL);
3249         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3250                 MacAddr = CAM_CONST_BROAD;
3251                 for (EntryId = 1; EntryId < 4; EntryId++) {
3252                         setKey(dev, EntryId, EntryId,
3253                                priv->ieee80211->group_key_type,
3254                                MacAddr, 0, NULL);
3255                 }
3256
3257                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3258                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3259                                CAM_CONST_ADDR[0], 0, NULL);
3260         }
3261 }
3262
3263 /* This function is used to fix Tx/Rx stop bug temporarily.
3264  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3265  * The method checking Tx/Rx stuck of this function is supported by FW,
3266  * which reports Tx and Rx counter to register 0x128 and 0x130.
3267  */
3268 static void rtl819x_ifsilentreset(struct net_device *dev)
3269 {
3270         struct r8192_priv *priv = ieee80211_priv(dev);
3271         u8      reset_times = 0;
3272         int reset_status = 0;
3273         struct ieee80211_device *ieee = priv->ieee80211;
3274
3275
3276         /* If we need to check CCK stop, please uncomment this line. */
3277         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3278
3279         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3280 RESET_START:
3281
3282                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3283
3284                 /* Set the variable for reset. */
3285                 priv->ResetProgress = RESET_TYPE_SILENT;
3286                 mutex_lock(&priv->wx_mutex);
3287                 if (priv->up == 0) {
3288                         RT_TRACE(COMP_ERR,
3289                                  "%s():the driver is not up! return\n",
3290                                  __func__);
3291                         mutex_unlock(&priv->wx_mutex);
3292                         return;
3293                 }
3294                 priv->up = 0;
3295                 RT_TRACE(COMP_RESET,
3296                          "%s():======>start to down the driver\n",
3297                          __func__);
3298
3299                 rtl8192_rtx_disable(dev);
3300                 rtl8192_cancel_deferred_work(priv);
3301                 deinit_hal_dm(dev);
3302                 del_timer_sync(&priv->watch_dog_timer);
3303
3304                 ieee->sync_scan_hurryup = 1;
3305                 if (ieee->state == IEEE80211_LINKED) {
3306                         mutex_lock(&ieee->wx_mutex);
3307                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3308                         ieee80211_stop_send_beacons(priv->ieee80211);
3309                         del_timer_sync(&ieee->associate_timer);
3310                         cancel_delayed_work(&ieee->associate_retry_wq);
3311                         ieee80211_stop_scan(ieee);
3312                         netif_carrier_off(dev);
3313                         mutex_unlock(&ieee->wx_mutex);
3314                 } else {
3315                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3316                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3317                 }
3318                 mutex_unlock(&priv->wx_mutex);
3319                 RT_TRACE(COMP_RESET,
3320                          "%s():<==========down process is finished\n",
3321                          __func__);
3322                 RT_TRACE(COMP_RESET,
3323                          "%s():===========>start up the driver\n",
3324                          __func__);
3325                 reset_status = _rtl8192_up(dev);
3326
3327                 RT_TRACE(COMP_RESET,
3328                          "%s():<===========up process is finished\n",
3329                          __func__);
3330                 if (reset_status == -EAGAIN) {
3331                         if (reset_times < 3) {
3332                                 reset_times++;
3333                                 goto RESET_START;
3334                         } else {
3335                                 RT_TRACE(COMP_ERR,
3336                                          " ERR!!! %s():  Reset Failed!!\n",
3337                                          __func__);
3338                         }
3339                 }
3340                 ieee->is_silent_reset = 1;
3341                 EnableHWSecurityConfig8192(dev);
3342                 if (ieee->state == IEEE80211_LINKED &&
3343                     ieee->iw_mode == IW_MODE_INFRA) {
3344                         ieee->set_chan(ieee->dev,
3345                                        ieee->current_network.channel);
3346
3347                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3348
3349                 } else if (ieee->state == IEEE80211_LINKED &&
3350                            ieee->iw_mode == IW_MODE_ADHOC) {
3351                         ieee->set_chan(ieee->dev,
3352                                        ieee->current_network.channel);
3353                         ieee->link_change(ieee->dev);
3354
3355                         ieee80211_start_send_beacons(ieee);
3356
3357                         if (ieee->data_hard_resume)
3358                                 ieee->data_hard_resume(ieee->dev);
3359                         netif_carrier_on(ieee->dev);
3360                 }
3361
3362                 CamRestoreAllEntry(dev);
3363
3364                 priv->ResetProgress = RESET_TYPE_NORESET;
3365                 priv->reset_count++;
3366
3367                 priv->bForcedSilentReset = false;
3368                 priv->bResetInProgress = false;
3369
3370                 /* For test --> force write UFWP. */
3371                 write_nic_byte(dev, UFWP, 1);
3372                 RT_TRACE(COMP_RESET,
3373                          "Reset finished!! ====>[%d]\n",
3374                          priv->reset_count);
3375         }
3376 }
3377
3378 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3379                              u32 *TotalRxDataNum)
3380 {
3381         u16                     SlotIndex;
3382         u16                     i;
3383
3384         *TotalRxBcnNum = 0;
3385         *TotalRxDataNum = 0;
3386
3387         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3388                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3389         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3390                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3391         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3392                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3393         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3394                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3395                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3396         }
3397 }
3398
3399
3400 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3401 {
3402         struct delayed_work *dwork = to_delayed_work(work);
3403         struct r8192_priv *priv = container_of(dwork,
3404                                                struct r8192_priv, watch_dog_wq);
3405         struct net_device *dev = priv->ieee80211->dev;
3406         struct ieee80211_device *ieee = priv->ieee80211;
3407         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3408         static u8       check_reset_cnt;
3409         bool bBusyTraffic = false;
3410         u32     TotalRxBcnNum = 0;
3411         u32     TotalRxDataNum = 0;
3412
3413         if (!priv->up)
3414                 return;
3415         hal_dm_watchdog(dev);
3416
3417         /* to get busy traffic condition */
3418         if (ieee->state == IEEE80211_LINKED) {
3419                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3420                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3421                         bBusyTraffic = true;
3422                 }
3423                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3424                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3425                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3426         }
3427         /* for AP roaming */
3428         if (priv->ieee80211->state == IEEE80211_LINKED &&
3429             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3430                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3431                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3432 #ifdef TODO
3433                         if (rfState == eRfOff)
3434                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3435 #endif
3436                         netdev_dbg(dev,
3437                                    "===>%s(): AP is power off, connect another one\n",
3438                                    __func__);
3439                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3440                         notify_wx_assoc_event(priv->ieee80211);
3441                         RemovePeerTS(priv->ieee80211,
3442                                      priv->ieee80211->current_network.bssid);
3443                         priv->ieee80211->link_change(dev);
3444                         queue_work(priv->ieee80211->wq,
3445                                    &priv->ieee80211->associate_procedure_wq);
3446                 }
3447         }
3448         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3449         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3450         /* check if reset the driver */
3451         if (check_reset_cnt++ >= 3) {
3452                 ResetType = rtl819x_ifcheck_resetornot(dev);
3453                 check_reset_cnt = 3;
3454         }
3455         /* This is control by OID set in Pomelo */
3456         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3457             (priv->bForcedSilentReset ||
3458             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3459                 RT_TRACE(COMP_RESET,
3460                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3461                          __func__, priv->force_reset, priv->ResetProgress,
3462                          priv->bForcedSilentReset,
3463                          priv->bDisableNormalResetCheck, ResetType);
3464                 rtl819x_ifsilentreset(dev);
3465         }
3466         priv->force_reset = false;
3467         priv->bForcedSilentReset = false;
3468         priv->bResetInProgress = false;
3469         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3470 }
3471
3472 static void watch_dog_timer_callback(struct timer_list *t)
3473 {
3474         struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3475
3476         schedule_delayed_work(&priv->watch_dog_wq, 0);
3477         mod_timer(&priv->watch_dog_timer,
3478                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3479 }
3480
3481 static int _rtl8192_up(struct net_device *dev)
3482 {
3483         struct r8192_priv *priv = ieee80211_priv(dev);
3484         int init_status = 0;
3485
3486         priv->up = 1;
3487         priv->ieee80211->ieee_up = 1;
3488         RT_TRACE(COMP_INIT, "Bringing up iface");
3489         init_status = rtl8192_adapter_start(dev);
3490         if (!init_status) {
3491                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3492                          __func__);
3493                 priv->up = priv->ieee80211->ieee_up = 0;
3494                 return -EAGAIN;
3495         }
3496         RT_TRACE(COMP_INIT, "start adapter finished\n");
3497         rtl8192_rx_enable(dev);
3498         if (priv->ieee80211->state != IEEE80211_LINKED)
3499                 ieee80211_softmac_start_protocol(priv->ieee80211);
3500         ieee80211_reset_queue(priv->ieee80211);
3501         watch_dog_timer_callback(&priv->watch_dog_timer);
3502         if (!netif_queue_stopped(dev))
3503                 netif_start_queue(dev);
3504         else
3505                 netif_wake_queue(dev);
3506
3507         return 0;
3508 }
3509
3510
3511 static int rtl8192_open(struct net_device *dev)
3512 {
3513         struct r8192_priv *priv = ieee80211_priv(dev);
3514         int ret;
3515
3516         mutex_lock(&priv->wx_mutex);
3517         ret = rtl8192_up(dev);
3518         mutex_unlock(&priv->wx_mutex);
3519         return ret;
3520 }
3521
3522
3523 int rtl8192_up(struct net_device *dev)
3524 {
3525         struct r8192_priv *priv = ieee80211_priv(dev);
3526
3527         if (priv->up == 1)
3528                 return -1;
3529
3530         return _rtl8192_up(dev);
3531 }
3532
3533
3534 static int rtl8192_close(struct net_device *dev)
3535 {
3536         struct r8192_priv *priv = ieee80211_priv(dev);
3537         int ret;
3538
3539         mutex_lock(&priv->wx_mutex);
3540
3541         ret = rtl8192_down(dev);
3542
3543         mutex_unlock(&priv->wx_mutex);
3544
3545         return ret;
3546 }
3547
3548 int rtl8192_down(struct net_device *dev)
3549 {
3550         struct r8192_priv *priv = ieee80211_priv(dev);
3551         int i;
3552
3553         if (priv->up == 0)
3554                 return -1;
3555
3556         priv->up = 0;
3557         priv->ieee80211->ieee_up = 0;
3558         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3559         /* FIXME */
3560         if (!netif_queue_stopped(dev))
3561                 netif_stop_queue(dev);
3562
3563         rtl8192_rtx_disable(dev);
3564
3565         /* Tx related queue release */
3566         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3567                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3568         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3569                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3570
3571         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3572                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3573
3574         /* as cancel_delayed_work will del work->timer, so if work is not
3575          * defined as struct delayed_work, it will corrupt
3576          */
3577         rtl8192_cancel_deferred_work(priv);
3578         deinit_hal_dm(dev);
3579         del_timer_sync(&priv->watch_dog_timer);
3580
3581
3582         ieee80211_softmac_stop_protocol(priv->ieee80211);
3583         memset(&priv->ieee80211->current_network, 0,
3584                offsetof(struct ieee80211_network, list));
3585         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3586
3587         return 0;
3588 }
3589
3590
3591 void rtl8192_commit(struct net_device *dev)
3592 {
3593         struct r8192_priv *priv = ieee80211_priv(dev);
3594         int reset_status = 0;
3595
3596         if (priv->up == 0)
3597                 return;
3598         priv->up = 0;
3599
3600         rtl8192_cancel_deferred_work(priv);
3601         del_timer_sync(&priv->watch_dog_timer);
3602
3603         ieee80211_softmac_stop_protocol(priv->ieee80211);
3604
3605         rtl8192_rtx_disable(dev);
3606         reset_status = _rtl8192_up(dev);
3607 }
3608
3609 static void rtl8192_restart(struct work_struct *work)
3610 {
3611         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3612                                                reset_wq);
3613         struct net_device *dev = priv->ieee80211->dev;
3614
3615         mutex_lock(&priv->wx_mutex);
3616
3617         rtl8192_commit(dev);
3618
3619         mutex_unlock(&priv->wx_mutex);
3620 }
3621
3622 static void r8192_set_multicast(struct net_device *dev)
3623 {
3624         struct r8192_priv *priv = ieee80211_priv(dev);
3625         short promisc;
3626
3627         /* FIXME FIXME */
3628
3629         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3630
3631         if (promisc != priv->promisc)
3632
3633                 priv->promisc = promisc;
3634 }
3635
3636
3637 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3638 {
3639         struct r8192_priv *priv = ieee80211_priv(dev);
3640         struct sockaddr *addr = mac;
3641
3642         mutex_lock(&priv->wx_mutex);
3643
3644         ether_addr_copy(dev->dev_addr, addr->sa_data);
3645
3646         schedule_work(&priv->reset_wq);
3647         mutex_unlock(&priv->wx_mutex);
3648
3649         return 0;
3650 }
3651
3652 /* based on ipw2200 driver */
3653 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3654 {
3655         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3656         struct iwreq *wrq = (struct iwreq *)rq;
3657         int ret = -1;
3658         struct ieee80211_device *ieee = priv->ieee80211;
3659         u32 key[4];
3660         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3661         struct iw_point *p = &wrq->u.data;
3662         struct ieee_param *ipw = NULL;
3663
3664         mutex_lock(&priv->wx_mutex);
3665
3666
3667         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3668                 ret = -EINVAL;
3669                 goto out;
3670         }
3671
3672         ipw = memdup_user(p->pointer, p->length);
3673         if (IS_ERR(ipw)) {
3674                 ret = PTR_ERR(ipw);
3675                 goto out;
3676         }
3677
3678         switch (cmd) {
3679         case RTL_IOCTL_WPA_SUPPLICANT:
3680                 /* parse here for HW security */
3681                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3682                         if (ipw->u.crypt.set_tx) {
3683                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3684                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3685                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3686                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3687                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3688                                         if (ipw->u.crypt.key_len == 13)
3689                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3690                                         else if (ipw->u.crypt.key_len == 5)
3691                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3692                                 } else {
3693                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3694                                 }
3695
3696                                 if (ieee->pairwise_key_type) {
3697                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3698                                         EnableHWSecurityConfig8192(dev);
3699                                         /* We fill both index entry and 4th
3700                                          * entry for pairwise key as in IPW
3701                                          * interface, adhoc will only get here,
3702                                          * so we need index entry for its
3703                                          * default key serching!
3704                                          */
3705                                         setKey(dev, 4, ipw->u.crypt.idx,
3706                                                ieee->pairwise_key_type,
3707                                                (u8 *)ieee->ap_mac_addr,
3708                                                0, key);
3709                                         if (ieee->auth_mode != 2)
3710                                                 setKey(dev, ipw->u.crypt.idx,
3711                                                        ipw->u.crypt.idx,
3712                                                        ieee->pairwise_key_type,
3713                                                        (u8 *)ieee->ap_mac_addr,
3714                                                        0, key);
3715                                 }
3716                         } else {
3717                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3718                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3719                                         ieee->group_key_type = KEY_TYPE_CCMP;
3720                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3721                                         ieee->group_key_type = KEY_TYPE_TKIP;
3722                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3723                                         if (ipw->u.crypt.key_len == 13)
3724                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3725                                         else if (ipw->u.crypt.key_len == 5)
3726                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3727                                 } else {
3728                                         ieee->group_key_type = KEY_TYPE_NA;
3729                                 }
3730
3731                                 if (ieee->group_key_type) {
3732                                         setKey(dev, ipw->u.crypt.idx,
3733                                                /* KeyIndex */
3734                                                ipw->u.crypt.idx,
3735                                                /* KeyType */
3736                                                ieee->group_key_type,
3737                                                /* MacAddr */
3738                                                broadcast_addr,
3739                                                /* DefaultKey */
3740                                                0,
3741                                                /* KeyContent */
3742                                                key);
3743                                 }
3744                         }
3745                 }
3746                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3747                                                      &wrq->u.data);
3748                 break;
3749
3750         default:
3751                 ret = -EOPNOTSUPP;
3752                 break;
3753         }
3754         kfree(ipw);
3755         ipw = NULL;
3756 out:
3757         mutex_unlock(&priv->wx_mutex);
3758         return ret;
3759 }
3760
3761 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3762 {
3763         u8  ret_rate = 0xff;
3764
3765         if (!bIsHT) {
3766                 switch (rate) {
3767                 case DESC90_RATE1M:
3768                         ret_rate = MGN_1M;
3769                         break;
3770                 case DESC90_RATE2M:
3771                         ret_rate = MGN_2M;
3772                         break;
3773                 case DESC90_RATE5_5M:
3774                         ret_rate = MGN_5_5M;
3775                         break;
3776                 case DESC90_RATE11M:
3777                         ret_rate = MGN_11M;
3778                         break;
3779                 case DESC90_RATE6M:
3780                         ret_rate = MGN_6M;
3781                         break;
3782                 case DESC90_RATE9M:
3783                         ret_rate = MGN_9M;
3784                         break;
3785                 case DESC90_RATE12M:
3786                         ret_rate = MGN_12M;
3787                         break;
3788                 case DESC90_RATE18M:
3789                         ret_rate = MGN_18M;
3790                         break;
3791                 case DESC90_RATE24M:
3792                         ret_rate = MGN_24M;
3793                         break;
3794                 case DESC90_RATE36M:
3795                         ret_rate = MGN_36M;
3796                         break;
3797                 case DESC90_RATE48M:
3798                         ret_rate = MGN_48M;
3799                         break;
3800                 case DESC90_RATE54M:
3801                         ret_rate = MGN_54M;
3802                         break;
3803
3804                 default:
3805                         ret_rate = 0xff;
3806                         RT_TRACE(COMP_RECV,
3807                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3808                                  __func__, rate, bIsHT);
3809                         break;
3810                 }
3811
3812         } else {
3813                 switch (rate) {
3814                 case DESC90_RATEMCS0:
3815                         ret_rate = MGN_MCS0;
3816                         break;
3817                 case DESC90_RATEMCS1:
3818                         ret_rate = MGN_MCS1;
3819                         break;
3820                 case DESC90_RATEMCS2:
3821                         ret_rate = MGN_MCS2;
3822                         break;
3823                 case DESC90_RATEMCS3:
3824                         ret_rate = MGN_MCS3;
3825                         break;
3826                 case DESC90_RATEMCS4:
3827                         ret_rate = MGN_MCS4;
3828                         break;
3829                 case DESC90_RATEMCS5:
3830                         ret_rate = MGN_MCS5;
3831                         break;
3832                 case DESC90_RATEMCS6:
3833                         ret_rate = MGN_MCS6;
3834                         break;
3835                 case DESC90_RATEMCS7:
3836                         ret_rate = MGN_MCS7;
3837                         break;
3838                 case DESC90_RATEMCS8:
3839                         ret_rate = MGN_MCS8;
3840                         break;
3841                 case DESC90_RATEMCS9:
3842                         ret_rate = MGN_MCS9;
3843                         break;
3844                 case DESC90_RATEMCS10:
3845                         ret_rate = MGN_MCS10;
3846                         break;
3847                 case DESC90_RATEMCS11:
3848                         ret_rate = MGN_MCS11;
3849                         break;
3850                 case DESC90_RATEMCS12:
3851                         ret_rate = MGN_MCS12;
3852                         break;
3853                 case DESC90_RATEMCS13:
3854                         ret_rate = MGN_MCS13;
3855                         break;
3856                 case DESC90_RATEMCS14:
3857                         ret_rate = MGN_MCS14;
3858                         break;
3859                 case DESC90_RATEMCS15:
3860                         ret_rate = MGN_MCS15;
3861                         break;
3862                 case DESC90_RATEMCS32:
3863                         ret_rate = 0x80 | 0x20;
3864                         break;
3865
3866                 default:
3867                         ret_rate = 0xff;
3868                         RT_TRACE(COMP_RECV,
3869                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3870                                  __func__, rate, bIsHT);
3871                         break;
3872                 }
3873         }
3874
3875         return ret_rate;
3876 }
3877
3878 /**
3879  * Function:     UpdateRxPktTimeStamp
3880  * Overview:     Record the TSF time stamp when receiving a packet
3881  *
3882  * Input:
3883  *       PADAPTER        Adapter
3884  *       PRT_RFD         pRfd,
3885  *
3886  * Output:
3887  *       PRT_RFD         pRfd
3888  *                               (pRfd->Status.TimeStampHigh is updated)
3889  *                               (pRfd->Status.TimeStampLow is updated)
3890  * Return:
3891  *               None
3892  */
3893 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3894                                      struct ieee80211_rx_stats *stats)
3895 {
3896         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3897
3898         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3899                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3900                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3901         } else {
3902                 priv->LastRxDescTSFLow = stats->mac_time[0];
3903                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3904         }
3905 }
3906
3907 /* 0-100 index. */
3908 static long rtl819x_translate_todbm(u8 signal_strength_index)
3909 {
3910         long    signal_power; /* in dBm. */
3911
3912         /* Translate to dBm (x=0.5y-95). */
3913         signal_power = (long)((signal_strength_index + 1) >> 1);
3914         signal_power -= 95;
3915
3916         return signal_power;
3917 }
3918
3919
3920 /* We can not declare RSSI/EVM total value of sliding window to
3921  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3922  * value will be kept in memory or disk. Declare the value in the adaptor
3923  * and it will be reinitialized when returned from S3/S4.
3924  */
3925 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3926                                     struct ieee80211_rx_stats *pprevious_stats,
3927                                     struct ieee80211_rx_stats *pcurrent_stats)
3928 {
3929         bool bcheck = false;
3930         u8      rfpath;
3931         u32     nspatial_stream, tmp_val;
3932         static u32 slide_rssi_index, slide_rssi_statistics;
3933         static u32 slide_evm_index, slide_evm_statistics;
3934         static u32 last_rssi, last_evm;
3935
3936         static u32 slide_beacon_adc_pwdb_index;
3937         static u32 slide_beacon_adc_pwdb_statistics;
3938         static u32 last_beacon_adc_pwdb;
3939
3940         struct rtl_80211_hdr_3addr *hdr;
3941         u16 sc;
3942         unsigned int seq;
3943
3944         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3945         sc = le16_to_cpu(hdr->seq_ctl);
3946         seq = WLAN_GET_SEQ_SEQ(sc);
3947         /* to record the sequence number */
3948         pcurrent_stats->Seq_Num = seq;
3949
3950         /* Check whether we should take the previous packet into accounting */
3951         if (!pprevious_stats->bIsAMPDU) {
3952                 /* if previous packet is not aggregated packet */
3953                 bcheck = true;
3954         }
3955
3956         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3957                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3958                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3959                 priv->stats.slide_rssi_total -= last_rssi;
3960         }
3961         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3962
3963         priv->stats.slide_signal_strength[slide_rssi_index++] =
3964                 pprevious_stats->SignalStrength;
3965         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3966                 slide_rssi_index = 0;
3967
3968         /* <1> Showed on UI for user, in dbm */
3969         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3970         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3971         pcurrent_stats->rssi = priv->stats.signal_strength;
3972
3973         /* If the previous packet does not match the criteria, neglect it */
3974         if (!pprevious_stats->bPacketMatchBSSID) {
3975                 if (!pprevious_stats->bToSelfBA)
3976                         return;
3977         }
3978
3979         if (!bcheck)
3980                 return;
3981
3982
3983         /* only rtl8190 supported
3984          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
3985          */
3986
3987         /* Check RSSI */
3988         priv->stats.num_process_phyinfo++;
3989
3990         /* record the general signal strength to the sliding window. */
3991
3992
3993         /* <2> Showed on UI for engineering
3994          * hardware does not provide rssi information for each rf path in CCK
3995          */
3996         if (!pprevious_stats->bIsCCK &&
3997             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3998                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3999                         if (!rtl8192_phy_CheckIsLegalRFPath(
4000                                         priv->ieee80211->dev, rfpath))
4001                                 continue;
4002
4003                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4004                                 priv->stats.rx_rssi_percentage[rfpath] =
4005                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4006                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4007                                 priv->stats.rx_rssi_percentage[rfpath] =
4008                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4009                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4010                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4011                         } else {
4012                                 priv->stats.rx_rssi_percentage[rfpath] =
4013                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4014                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4015                         }
4016                         RT_TRACE(COMP_DBG,
4017                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4018                                  priv->stats.rx_rssi_percentage[rfpath]);
4019                 }
4020         }
4021
4022
4023         /* Check PWDB. */
4024         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4025                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4026                  pprevious_stats->RxPWDBAll);
4027
4028         if (pprevious_stats->bPacketBeacon) {
4029                 /* record the beacon pwdb to the sliding window. */
4030                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4031                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4032                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4033                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4034                 }
4035                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4036                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4037                 slide_beacon_adc_pwdb_index++;
4038                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4039                         slide_beacon_adc_pwdb_index = 0;
4040                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4041                 if (pprevious_stats->RxPWDBAll >= 3)
4042                         pprevious_stats->RxPWDBAll -= 3;
4043         }
4044
4045         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4046                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4047                  pprevious_stats->RxPWDBAll);
4048
4049
4050         if (pprevious_stats->bPacketToSelf ||
4051             pprevious_stats->bPacketBeacon ||
4052             pprevious_stats->bToSelfBA) {
4053                 if (priv->undecorated_smoothed_pwdb < 0)
4054                         /* initialize */
4055                         priv->undecorated_smoothed_pwdb =
4056                                 pprevious_stats->RxPWDBAll;
4057                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4058                         priv->undecorated_smoothed_pwdb =
4059                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4060                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4061                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4062                 } else {
4063                         priv->undecorated_smoothed_pwdb =
4064                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4065                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4066                 }
4067         }
4068
4069         /* Check EVM */
4070         /* record the general EVM to the sliding window. */
4071         if (pprevious_stats->SignalQuality) {
4072                 if (pprevious_stats->bPacketToSelf ||
4073                     pprevious_stats->bPacketBeacon ||
4074                     pprevious_stats->bToSelfBA) {
4075                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4076                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4077                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4078                                 priv->stats.slide_evm_total -= last_evm;
4079                         }
4080
4081                         priv->stats.slide_evm_total +=
4082                                 pprevious_stats->SignalQuality;
4083
4084                         priv->stats.slide_evm[slide_evm_index++] =
4085                                 pprevious_stats->SignalQuality;
4086                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4087                                 slide_evm_index = 0;
4088
4089                         /* <1> Showed on UI for user, in percentage. */
4090                         tmp_val = priv->stats.slide_evm_total /
4091                                   slide_evm_statistics;
4092                         priv->stats.signal_quality = tmp_val;
4093                         /* Showed on UI for user in Windows Vista,
4094                          * for Link quality.
4095                          */
4096                         priv->stats.last_signal_strength_inpercent = tmp_val;
4097                 }
4098
4099                 /* <2> Showed on UI for engineering */
4100                 if (pprevious_stats->bPacketToSelf ||
4101                     pprevious_stats->bPacketBeacon ||
4102                     pprevious_stats->bToSelfBA) {
4103                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4104                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4105                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4106                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4107                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4108                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4109                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4110                                 }
4111                         }
4112                 }
4113         }
4114 }
4115
4116 /*-----------------------------------------------------------------------------
4117  * Function:    rtl819x_query_rxpwrpercentage()
4118  *
4119  * Overview:
4120  *
4121  * Input:               char            antpower
4122  *
4123  * Output:              NONE
4124  *
4125  * Return:              0-100 percentage
4126  *---------------------------------------------------------------------------
4127  */
4128 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4129 {
4130         if ((antpower <= -100) || (antpower >= 20))
4131                 return  0;
4132         else if (antpower >= 0)
4133                 return  100;
4134         else
4135                 return  100 + antpower;
4136
4137 }       /* QueryRxPwrPercentage */
4138
4139 static u8 rtl819x_evm_dbtopercentage(s8 value)
4140 {
4141         s8 ret_val;
4142
4143         ret_val = value;
4144
4145         if (ret_val >= 0)
4146                 ret_val = 0;
4147         if (ret_val <= -33)
4148                 ret_val = -33;
4149         ret_val = 0 - ret_val;
4150         ret_val *= 3;
4151         if (ret_val == 99)
4152                 ret_val = 100;
4153         return ret_val;
4154 }
4155
4156 /* We want good-looking for signal strength/quality */
4157 static long rtl819x_signal_scale_mapping(long currsig)
4158 {
4159         long retsig;
4160
4161         /* Step 1. Scale mapping. */
4162         if (currsig >= 61 && currsig <= 100)
4163                 retsig = 90 + ((currsig - 60) / 4);
4164         else if (currsig >= 41 && currsig <= 60)
4165                 retsig = 78 + ((currsig - 40) / 2);
4166         else if (currsig >= 31 && currsig <= 40)
4167                 retsig = 66 + (currsig - 30);
4168         else if (currsig >= 21 && currsig <= 30)
4169                 retsig = 54 + (currsig - 20);
4170         else if (currsig >= 5 && currsig <= 20)
4171                 retsig = 42 + (((currsig - 5) * 2) / 3);
4172         else if (currsig == 4)
4173                 retsig = 36;
4174         else if (currsig == 3)
4175                 retsig = 27;
4176         else if (currsig == 2)
4177                 retsig = 18;
4178         else if (currsig == 1)
4179                 retsig = 9;
4180         else
4181                 retsig = currsig;
4182
4183         return retsig;
4184 }
4185
4186 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4187 {
4188         if (pdrvinfo->RxHT)
4189                 return false;
4190
4191         switch (pdrvinfo->RxRate) {
4192         case DESC90_RATE1M:
4193         case DESC90_RATE2M:
4194         case DESC90_RATE5_5M:
4195         case DESC90_RATE11M:
4196                 return true;
4197         default:
4198                 return false;
4199         }
4200 }
4201
4202 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4203                                       struct ieee80211_rx_stats *pstats,
4204                                       struct rx_drvinfo_819x_usb  *pdrvinfo,
4205                                       struct ieee80211_rx_stats *precord_stats,
4206                                       bool bpacket_match_bssid,
4207                                       bool bpacket_toself,
4208                                       bool bPacketBeacon,
4209                                       bool bToSelfBA)
4210 {
4211         phy_sts_ofdm_819xusb_t *pofdm_buf;
4212         phy_sts_cck_819xusb_t   *pcck_buf;
4213         struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4214         u8      *prxpkt;
4215         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4216         s8      rx_pwr[4], rx_pwr_all = 0;
4217         s8      rx_snrX, rx_evmX;
4218         u8      evm, pwdb_all;
4219         u32     RSSI, total_rssi = 0;
4220         u8      is_cck_rate = 0;
4221         u8      rf_rx_num = 0;
4222         u8      sq;
4223
4224
4225         priv->stats.numqry_phystatus++;
4226
4227         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4228
4229         /* Record it for next packet processing */
4230         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4231         pstats->bPacketMatchBSSID =
4232                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4233         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4234         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4235         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4236         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4237
4238         prxpkt = (u8 *)pdrvinfo;
4239
4240         /* Move pointer to the 16th bytes. Phy status start address. */
4241         prxpkt += sizeof(struct rx_drvinfo_819x_usb);
4242
4243         /* Initial the cck and ofdm buffer pointer */
4244         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4245         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4246
4247         pstats->RxMIMOSignalQuality[0] = -1;
4248         pstats->RxMIMOSignalQuality[1] = -1;
4249         precord_stats->RxMIMOSignalQuality[0] = -1;
4250         precord_stats->RxMIMOSignalQuality[1] = -1;
4251
4252         if (is_cck_rate) {
4253                 /* (1)Hardware does not provide RSSI for CCK */
4254
4255                 /* (2)PWDB, Average PWDB calculated by hardware
4256                  * (for rate adaptive)
4257                  */
4258                 u8 report;
4259
4260                 priv->stats.numqry_phystatusCCK++;
4261
4262                 if (!priv->bCckHighPower) {
4263                         report = pcck_buf->cck_agc_rpt & 0xc0;
4264                         report >>= 6;
4265                         switch (report) {
4266                         case 0x3:
4267                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4268                                 break;
4269                         case 0x2:
4270                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4271                                 break;
4272                         case 0x1:
4273                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4274                                 break;
4275                         case 0x0:
4276                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4277                                 break;
4278                         }
4279                 } else {
4280                         report = pcck_buf->cck_agc_rpt & 0x60;
4281                         report >>= 5;
4282                         switch (report) {
4283                         case 0x3:
4284                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4285                                 break;
4286                         case 0x2:
4287                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4288                                 break;
4289                         case 0x1:
4290                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4291                                 break;
4292                         case 0x0:
4293                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4294                                 break;
4295                         }
4296                 }
4297
4298                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4299                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4300                 pstats->RecvSignalPower = pwdb_all;
4301
4302                 /* (3) Get Signal Quality (EVM) */
4303
4304                 if (pstats->RxPWDBAll > 40) {
4305                         sq = 100;
4306                 } else {
4307                         sq = pcck_buf->sq_rpt;
4308
4309                         if (pcck_buf->sq_rpt > 64)
4310                                 sq = 0;
4311                         else if (pcck_buf->sq_rpt < 20)
4312                                 sq = 100;
4313                         else
4314                                 sq = ((64 - sq) * 100) / 44;
4315                 }
4316                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4317                 pstats->RxMIMOSignalQuality[0] =
4318                         precord_stats->RxMIMOSignalQuality[0] = sq;
4319                 pstats->RxMIMOSignalQuality[1] =
4320                         precord_stats->RxMIMOSignalQuality[1] = -1;
4321
4322         } else {
4323                 priv->stats.numqry_phystatusHT++;
4324
4325                 /* (1)Get RSSI for HT rate */
4326                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4327                         /* We will judge RF RX path now. */
4328                         if (priv->brfpath_rxenable[i])
4329                                 rf_rx_num++;
4330                         else
4331                                 continue;
4332
4333                         if (!rtl8192_phy_CheckIsLegalRFPath(
4334                                         priv->ieee80211->dev, i))
4335                                 continue;
4336
4337                         rx_pwr[i] =
4338                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4339
4340                         /* Get Rx snr value in DB */
4341                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4342                         rx_snrX = (s8)(tmp_rxsnr);
4343                         rx_snrX /= 2;
4344                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4345
4346                         /* Translate DBM to percentage. */
4347                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4348                         total_rssi += RSSI;
4349
4350                         /* Record Signal Strength for next packet */
4351                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4352                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4353                 }
4354
4355
4356                 /* (2)PWDB, Average PWDB calculated by hardware
4357                  * (for rate adaptive)
4358                  */
4359                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4360                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4361
4362                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4363                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4364
4365                 /* (3)EVM of HT rate */
4366                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4367                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4368                         /* both spatial stream make sense */
4369                         max_spatial_stream = 2;
4370                 else
4371                         /* only spatial stream 1 makes sense */
4372                         max_spatial_stream = 1;
4373
4374                 for (i = 0; i < max_spatial_stream; i++) {
4375                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4376                         rx_evmX = (s8)(tmp_rxevm);
4377
4378                         /* Do not use shift operation like "rx_evmX >>= 1"
4379                          * because the compiler of free build environment will
4380                          * set the most significant bit to "zero" when doing
4381                          * shifting operation which may change a negative value
4382                          * to positive one, then the dbm value (which is
4383                          * supposed to be negative) is not correct anymore.
4384                          */
4385                         rx_evmX /= 2;   /* dbm */
4386
4387                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4388                         if (i == 0)
4389                                 /* Fill value in RFD, Get the first spatial
4390                                  * stream only
4391                                  */
4392                                 pstats->SignalQuality =
4393                                         precord_stats->SignalQuality =
4394                                         evm & 0xff;
4395                         pstats->RxMIMOSignalQuality[i] =
4396                                 precord_stats->RxMIMOSignalQuality[i] =
4397                                 evm & 0xff;
4398                 }
4399
4400
4401                 /* record rx statistics for debug */
4402                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4403                 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4404                         &rxsc_sgien_exflg;
4405                 if (pdrvinfo->BW)       /* 40M channel */
4406                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4407                 else                    /* 20M channel */
4408                         priv->stats.received_bwtype[0]++;
4409         }
4410
4411         /* UI BSS List signal strength(in percentage), make it good looking,
4412          * from 0~100. It is assigned to the BSS List in
4413          * GetValueFromBeaconOrProbeRsp().
4414          */
4415         if (is_cck_rate) {
4416                 pstats->SignalStrength =
4417                         precord_stats->SignalStrength =
4418                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4419         } else {
4420                 /* We can judge RX path number now. */
4421                 if (rf_rx_num != 0) {
4422                         pstats->SignalStrength =
4423                                 precord_stats->SignalStrength =
4424                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4425                 }
4426         }
4427 }       /* QueryRxPhyStatus8190Pci */
4428
4429 static void rtl8192_record_rxdesc_forlateruse(
4430                 struct ieee80211_rx_stats *psrc_stats,
4431                 struct ieee80211_rx_stats *ptarget_stats)
4432 {
4433         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4434         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4435         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4436 }
4437
4438
4439 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4440                                           struct ieee80211_rx_stats *pstats,
4441                                           struct rx_drvinfo_819x_usb  *pdrvinfo)
4442 {
4443         /* TODO: We must only check packet for current MAC address.
4444          * Not finish
4445          */
4446         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4447         struct net_device *dev = info->dev;
4448         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4449         bool bpacket_match_bssid, bpacket_toself;
4450         bool bPacketBeacon = false, bToSelfBA = false;
4451         static struct ieee80211_rx_stats  previous_stats;
4452         struct rtl_80211_hdr_3addr *hdr;
4453         u16 fc, type;
4454
4455         /* Get Signal Quality for only RX data queue (but not command queue) */
4456
4457         u8 *tmp_buf;
4458         u8  *praddr;
4459
4460         /* Get MAC frame start address. */
4461         tmp_buf = (u8 *)skb->data;
4462
4463         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4464         fc = le16_to_cpu(hdr->frame_ctl);
4465         type = WLAN_FC_GET_TYPE(fc);
4466         praddr = hdr->addr1;
4467
4468         /* Check if the received packet is acceptable. */
4469         bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4470                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4471                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4472         bpacket_toself =  bpacket_match_bssid &
4473                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4474
4475         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4476                 bPacketBeacon = true;
4477         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4478                 if ((eqMacAddr(praddr, dev->dev_addr)))
4479                         bToSelfBA = true;
4480         }
4481
4482
4483
4484         if (bpacket_match_bssid)
4485                 priv->stats.numpacket_matchbssid++;
4486         if (bpacket_toself)
4487                 priv->stats.numpacket_toself++;
4488         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4489          * Because phy information is contained in the last packet of AMPDU
4490          * only, so driver should process phy information of previous packet
4491          */
4492         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4493         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4494                                   bpacket_match_bssid, bpacket_toself,
4495                                   bPacketBeacon, bToSelfBA);
4496         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4497 }
4498
4499 /**
4500  * Function:    UpdateReceivedRateHistogramStatistics
4501  * Overview:    Record the received data rate
4502  *
4503  * Input:
4504  *      struct net_device *dev
4505  *      struct ieee80211_rx_stats *stats
4506  *
4507  * Output:
4508  *
4509  *                      (priv->stats.ReceivedRateHistogram[] is updated)
4510  * Return:
4511  *              None
4512  */
4513 static void
4514 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4515                                           struct ieee80211_rx_stats *stats)
4516 {
4517         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4518         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4519         u32 rcvType = 1;
4520         u32 rateIndex;
4521         /* 1: short preamble/GI, 0: long preamble/GI */
4522         u32 preamble_guardinterval;
4523
4524
4525         if (stats->bCRC)
4526                 rcvType = 2;
4527         else if (stats->bICV)
4528                 rcvType = 3;
4529
4530         if (stats->bShortPreamble)
4531                 preamble_guardinterval = 1; /* short */
4532         else
4533                 preamble_guardinterval = 0; /* long */
4534
4535         switch (stats->rate) {
4536         /* CCK rate */
4537         case MGN_1M:
4538                 rateIndex = 0;
4539                 break;
4540         case MGN_2M:
4541                 rateIndex = 1;
4542                 break;
4543         case MGN_5_5M:
4544                 rateIndex = 2;
4545                 break;
4546         case MGN_11M:
4547                 rateIndex = 3;
4548                 break;
4549         /* Legacy OFDM rate */
4550         case MGN_6M:
4551                 rateIndex = 4;
4552                 break;
4553         case MGN_9M:
4554                 rateIndex = 5;
4555                 break;
4556         case MGN_12M:
4557                 rateIndex = 6;
4558                 break;
4559         case MGN_18M:
4560                 rateIndex = 7;
4561                 break;
4562         case MGN_24M:
4563                 rateIndex = 8;
4564                 break;
4565         case MGN_36M:
4566                 rateIndex = 9;
4567                 break;
4568         case MGN_48M:
4569                 rateIndex = 10;
4570                 break;
4571         case MGN_54M:
4572                 rateIndex = 11;
4573                 break;
4574         /* 11n High throughput rate */
4575         case MGN_MCS0:
4576                 rateIndex = 12;
4577                 break;
4578         case MGN_MCS1:
4579                 rateIndex = 13;
4580                 break;
4581         case MGN_MCS2:
4582                 rateIndex = 14;
4583                 break;
4584         case MGN_MCS3:
4585                 rateIndex = 15;
4586                 break;
4587         case MGN_MCS4:
4588                 rateIndex = 16;
4589                 break;
4590         case MGN_MCS5:
4591                 rateIndex = 17;
4592                 break;
4593         case MGN_MCS6:
4594                 rateIndex = 18;
4595                 break;
4596         case MGN_MCS7:
4597                 rateIndex = 19;
4598                 break;
4599         case MGN_MCS8:
4600                 rateIndex = 20;
4601                 break;
4602         case MGN_MCS9:
4603                 rateIndex = 21;
4604                 break;
4605         case MGN_MCS10:
4606                 rateIndex = 22;
4607                 break;
4608         case MGN_MCS11:
4609                 rateIndex = 23;
4610                 break;
4611         case MGN_MCS12:
4612                 rateIndex = 24;
4613                 break;
4614         case MGN_MCS13:
4615                 rateIndex = 25;
4616                 break;
4617         case MGN_MCS14:
4618                 rateIndex = 26;
4619                 break;
4620         case MGN_MCS15:
4621                 rateIndex = 27;
4622                 break;
4623         default:
4624                 rateIndex = 28;
4625                 break;
4626         }
4627         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4628         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4629         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4630 }
4631
4632
4633 static void query_rxdesc_status(struct sk_buff *skb,
4634                                 struct ieee80211_rx_stats *stats,
4635                                 bool bIsRxAggrSubframe)
4636 {
4637         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4638         struct net_device *dev = info->dev;
4639         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4640         struct rx_drvinfo_819x_usb  *driver_info = NULL;
4641
4642         /* Get Rx Descriptor Information */
4643         struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4644
4645         stats->Length = desc->Length;
4646         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4647         stats->RxBufShift = 0;
4648         stats->bICV = desc->ICV;
4649         stats->bCRC = desc->CRC32;
4650         stats->bHwError = stats->bCRC | stats->bICV;
4651         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4652         stats->Decrypted = !desc->SWDec;
4653
4654         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4655             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4656                 stats->bHwError = false;
4657         else
4658                 stats->bHwError = stats->bCRC | stats->bICV;
4659
4660         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4661                 stats->bHwError |= 1;
4662         /* Get Driver Info */
4663         /* TODO: Need to verify it on FGPA platform
4664          * Driver info are written to the RxBuffer following rx desc
4665          */
4666         if (stats->RxDrvInfoSize != 0) {
4667                 driver_info = (struct rx_drvinfo_819x_usb *)(
4668                                 skb->data
4669                                 + sizeof(struct rx_desc_819x_usb)
4670                                 + stats->RxBufShift
4671                               );
4672                 /* unit: 0.5M */
4673                 /* TODO */
4674                 if (!stats->bHwError) {
4675                         u8      ret_rate;
4676
4677                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4678                                                    driver_info->RxRate);
4679                         if (ret_rate == 0xff) {
4680                                 /* Abnormal Case: Receive CRC OK packet with Rx
4681                                  * descriptor indicating non supported rate.
4682                                  * Special Error Handling here
4683                                  */
4684
4685                                 stats->bHwError = 1;
4686                                 /* Set 1M rate by default */
4687                                 stats->rate = MGN_1M;
4688                         } else {
4689                                 stats->rate = ret_rate;
4690                         }
4691                 } else {
4692                         stats->rate = 0x02;
4693                 }
4694
4695                 stats->bShortPreamble = driver_info->SPLCP;
4696
4697
4698                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4699
4700                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4701                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4702                                     (driver_info->FirstAGGR == 1);
4703                 stats->TimeStampLow = driver_info->TSFL;
4704
4705                 UpdateRxPktTimeStamp8190(dev, stats);
4706
4707                 /* Rx A-MPDU */
4708                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4709                         RT_TRACE(COMP_RXDESC,
4710                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4711                                  driver_info->FirstAGGR, driver_info->PartAggr);
4712         }
4713
4714         skb_pull(skb, sizeof(struct rx_desc_819x_usb));
4715         /* Get Total offset of MPDU Frame Body */
4716         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4717                 stats->bShift = 1;
4718                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4719         }
4720
4721         if (driver_info) {
4722                 stats->RxIs40MHzPacket = driver_info->BW;
4723                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4724         }
4725 }
4726
4727 static void rtl8192_rx_nomal(struct sk_buff *skb)
4728 {
4729         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4730         struct net_device *dev = info->dev;
4731         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4732         struct ieee80211_rx_stats stats = {
4733                 .signal = 0,
4734                 .noise = 0x100 - 98,
4735                 .rate = 0,
4736                 .freq = IEEE80211_24GHZ_BAND,
4737         };
4738         u32 rx_pkt_len = 0;
4739         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4740         bool unicast_packet = false;
4741
4742         /* 20 is for ps-poll */
4743         if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4744                 /* first packet should not contain Rx aggregation header */
4745                 query_rxdesc_status(skb, &stats, false);
4746                 /* TODO */
4747                 /* hardware related info */
4748                 /* Process the MPDU received */
4749                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4750
4751                 rx_pkt_len = skb->len;
4752                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4753                 unicast_packet = false;
4754                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4755                         /* TODO */
4756                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4757                         /* TODO */
4758                 } else {
4759                         /* unicast packet */
4760                         unicast_packet = true;
4761                 }
4762
4763                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4764                         dev_kfree_skb_any(skb);
4765                 } else {
4766                         priv->stats.rxoktotal++;
4767                         if (unicast_packet)
4768                                 priv->stats.rxbytesunicast += rx_pkt_len;
4769                 }
4770         } else {
4771                 priv->stats.rxurberr++;
4772                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4773                 dev_kfree_skb_any(skb);
4774         }
4775 }
4776
4777 static void rtl819xusb_process_received_packet(
4778                 struct net_device *dev,
4779                 struct ieee80211_rx_stats *pstats)
4780 {
4781         struct r8192_priv *priv = ieee80211_priv(dev);
4782
4783         /* Get shifted bytes of Starting address of 802.11 header. */
4784         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4785 #ifdef TODO     /* about HCT */
4786         if (!Adapter->bInHctTest)
4787                 CountRxErrStatistics(Adapter, pRfd);
4788 #endif
4789 #ifdef ENABLE_PS  /* for adding ps function in future */
4790         RT_RF_POWER_STATE rtState;
4791         /* When RF is off, we should not count the packet for hw/sw synchronize
4792          * reason, ie. there may be a duration while sw switch is changed and
4793          * hw switch is being changed.
4794          */
4795         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4796                                          (u8 *)(&rtState));
4797         if (rtState == eRfOff)
4798                 return;
4799 #endif
4800         priv->stats.rxframgment++;
4801
4802 #ifdef TODO
4803         RmMonitorSignalStrength(Adapter, pRfd);
4804 #endif
4805         /* We have to release RFD and return if rx pkt is cmd pkt. */
4806         if (rtl819xusb_rx_command_packet(dev, pstats))
4807                 return;
4808
4809 #ifdef SW_CRC_CHECK
4810         SwCrcCheck();
4811 #endif
4812
4813
4814 }
4815
4816 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4817                                         struct ieee80211_rx_stats *stats)
4818 {
4819         struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4820
4821         /* Get Rx Descriptor Information */
4822         stats->virtual_address = (u8 *)skb->data;
4823         stats->Length = desc->Length;
4824         stats->RxDrvInfoSize = 0;
4825         stats->RxBufShift = 0;
4826         stats->packetlength = stats->Length - scrclng;
4827         stats->fraglength = stats->packetlength;
4828         stats->fragoffset = 0;
4829         stats->ntotalfrag = 1;
4830 }
4831
4832
4833 static void rtl8192_rx_cmd(struct sk_buff *skb)
4834 {
4835         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4836         struct net_device *dev = info->dev;
4837         /* TODO */
4838         struct ieee80211_rx_stats stats = {
4839                 .signal = 0,
4840                 .noise = 0x100 - 98,
4841                 .rate = 0,
4842                 .freq = IEEE80211_24GHZ_BAND,
4843         };
4844
4845         if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4846                 query_rx_cmdpkt_desc_status(skb, &stats);
4847                 /* prfd->queue_id = 1; */
4848
4849                 /* Process the command packet received. */
4850
4851                 rtl819xusb_process_received_packet(dev, &stats);
4852
4853                 dev_kfree_skb_any(skb);
4854         }
4855 }
4856
4857 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4858 {
4859         struct sk_buff *skb;
4860         struct rtl8192_rx_info *info;
4861
4862         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4863                 info = (struct rtl8192_rx_info *)skb->cb;
4864                 switch (info->out_pipe) {
4865                 /* Nomal packet pipe */
4866                 case 3:
4867                         priv->IrpPendingCount--;
4868                         rtl8192_rx_nomal(skb);
4869                         break;
4870
4871                 /* Command packet pipe */
4872                 case 9:
4873                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4874                                  info->out_pipe);
4875
4876                         rtl8192_rx_cmd(skb);
4877                         break;
4878
4879                 default: /* should never get here! */
4880                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4881                                  info->out_pipe);
4882                         dev_kfree_skb(skb);
4883                         break;
4884                 }
4885         }
4886 }
4887
4888 static const struct net_device_ops rtl8192_netdev_ops = {
4889         .ndo_open               = rtl8192_open,
4890         .ndo_stop               = rtl8192_close,
4891         .ndo_get_stats          = rtl8192_stats,
4892         .ndo_tx_timeout         = tx_timeout,
4893         .ndo_do_ioctl           = rtl8192_ioctl,
4894         .ndo_set_rx_mode        = r8192_set_multicast,
4895         .ndo_set_mac_address    = r8192_set_mac_adr,
4896         .ndo_validate_addr      = eth_validate_addr,
4897         .ndo_start_xmit         = ieee80211_xmit,
4898 };
4899
4900
4901 /****************************************************************************
4902  *    ---------------------------- USB_STUFF---------------------------
4903  *****************************************************************************/
4904
4905 static int rtl8192_usb_probe(struct usb_interface *intf,
4906                              const struct usb_device_id *id)
4907 {
4908         struct net_device *dev = NULL;
4909         struct r8192_priv *priv = NULL;
4910         struct usb_device *udev = interface_to_usbdev(intf);
4911         int ret;
4912
4913         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4914
4915         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4916         if (!dev)
4917                 return -ENOMEM;
4918
4919         usb_set_intfdata(intf, dev);
4920         SET_NETDEV_DEV(dev, &intf->dev);
4921         priv = ieee80211_priv(dev);
4922         priv->ieee80211 = netdev_priv(dev);
4923         priv->udev = udev;
4924
4925         dev->netdev_ops = &rtl8192_netdev_ops;
4926
4927         dev->wireless_handlers = &r8192_wx_handlers_def;
4928
4929         dev->type = ARPHRD_ETHER;
4930
4931         dev->watchdog_timeo = HZ * 3;
4932
4933         if (dev_alloc_name(dev, ifname) < 0) {
4934                 RT_TRACE(COMP_INIT,
4935                          "Oops: devname already taken! Trying wlan%%d...\n");
4936                 ifname = "wlan%d";
4937                 dev_alloc_name(dev, ifname);
4938         }
4939
4940         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4941         if (rtl8192_init(dev) != 0) {
4942                 RT_TRACE(COMP_ERR, "Initialization failed");
4943                 ret = -ENODEV;
4944                 goto fail;
4945         }
4946         netif_carrier_off(dev);
4947         netif_stop_queue(dev);
4948
4949         ret = register_netdev(dev);
4950         if (ret)
4951                 goto fail2;
4952
4953         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4954         rtl8192_proc_init_one(dev);
4955
4956
4957         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4958         return 0;
4959
4960 fail2:
4961         rtl8192_down(dev);
4962 fail:
4963         kfree(priv->pFirmware);
4964         priv->pFirmware = NULL;
4965         rtl8192_usb_deleteendpoints(dev);
4966         msleep(10);
4967         free_ieee80211(dev);
4968
4969         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4970         return ret;
4971 }
4972
4973 /* detach all the work and timer structure declared or inititialize
4974  * in r8192U_init function.
4975  */
4976 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4977 {
4978         cancel_work_sync(&priv->reset_wq);
4979         cancel_delayed_work(&priv->watch_dog_wq);
4980         cancel_delayed_work(&priv->update_beacon_wq);
4981         cancel_work_sync(&priv->qos_activate);
4982 }
4983
4984
4985 static void rtl8192_usb_disconnect(struct usb_interface *intf)
4986 {
4987         struct net_device *dev = usb_get_intfdata(intf);
4988         struct r8192_priv *priv = ieee80211_priv(dev);
4989
4990         if (dev) {
4991                 unregister_netdev(dev);
4992
4993                 RT_TRACE(COMP_DOWN,
4994                          "=============>wlan driver to be removed\n");
4995                 rtl8192_proc_remove_one(dev);
4996
4997                 rtl8192_down(dev);
4998                 kfree(priv->pFirmware);
4999                 priv->pFirmware = NULL;
5000                 rtl8192_usb_deleteendpoints(dev);
5001                 usleep_range(10000, 11000);
5002         }
5003         free_ieee80211(dev);
5004         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5005 }
5006
5007 static int __init rtl8192_usb_module_init(void)
5008 {
5009         int ret;
5010
5011 #ifdef CONFIG_IEEE80211_DEBUG
5012         ret = ieee80211_debug_init();
5013         if (ret) {
5014                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5015                 return ret;
5016         }
5017 #endif
5018         ret = ieee80211_crypto_init();
5019         if (ret) {
5020                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5021                 return ret;
5022         }
5023
5024         ret = ieee80211_crypto_tkip_init();
5025         if (ret) {
5026                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5027                 return ret;
5028         }
5029
5030         ret = ieee80211_crypto_ccmp_init();
5031         if (ret) {
5032                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5033                 return ret;
5034         }
5035
5036         ret = ieee80211_crypto_wep_init();
5037         if (ret) {
5038                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5039                 return ret;
5040         }
5041
5042         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5043         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5044         RT_TRACE(COMP_INIT, "Initializing module");
5045         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5046         rtl8192_proc_module_init();
5047         return usb_register(&rtl8192_usb_driver);
5048 }
5049
5050
5051 static void __exit rtl8192_usb_module_exit(void)
5052 {
5053         usb_deregister(&rtl8192_usb_driver);
5054
5055         RT_TRACE(COMP_DOWN, "Exiting");
5056 }
5057
5058 void EnableHWSecurityConfig8192(struct net_device *dev)
5059 {
5060         u8 SECR_value = 0x0;
5061         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5062         struct ieee80211_device *ieee = priv->ieee80211;
5063
5064         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5065         if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5066                 SECR_value |= SCR_RxUseDK;
5067                 SECR_value |= SCR_TxUseDK;
5068         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5069                 SECR_value |= SCR_RxUseDK;
5070                 SECR_value |= SCR_TxUseDK;
5071         }
5072         /* add HWSec active enable here.
5073          * default using hwsec. when peer AP is in N mode only and
5074          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5075          * it), use software security. when peer AP is in b,g,n mode mixed and
5076          * pairwise_key_type is none_aes, use g mode hw security.
5077          */
5078
5079         ieee->hwsec_active = 1;
5080
5081         /* add hwsec_support flag to totol control hw_sec on/off */
5082         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5083                 ieee->hwsec_active = 0;
5084                 SECR_value &= ~SCR_RxDecEnable;
5085         }
5086         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5087                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5088                  SECR_value);
5089         write_nic_byte(dev, SECR,  SECR_value);
5090 }
5091
5092
5093 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5094             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5095 {
5096         u32 TargetCommand = 0;
5097         u32 TargetContent = 0;
5098         u16 usConfig = 0;
5099         u8 i;
5100
5101         if (EntryNo >= TOTAL_CAM_ENTRY)
5102                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5103
5104         RT_TRACE(COMP_SEC,
5105                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5106                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5107
5108         if (DefaultKey)
5109                 usConfig |= BIT(15) | (KeyType << 2);
5110         else
5111                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5112
5113
5114         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5115                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5116                 TargetCommand |= BIT(31) | BIT(16);
5117
5118                 if (i == 0) { /* MAC|Config */
5119                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5120                                         (u32)(*(MacAddr + 1)) << 24 |
5121                                         (u32)usConfig;
5122
5123                         write_nic_dword(dev, WCAMI, TargetContent);
5124                         write_nic_dword(dev, RWCAM, TargetCommand);
5125                 } else if (i == 1) { /* MAC */
5126                         TargetContent = (u32)(*(MacAddr + 2))    |
5127                                         (u32)(*(MacAddr + 3)) <<  8 |
5128                                         (u32)(*(MacAddr + 4)) << 16 |
5129                                         (u32)(*(MacAddr + 5)) << 24;
5130                         write_nic_dword(dev, WCAMI, TargetContent);
5131                         write_nic_dword(dev, RWCAM, TargetCommand);
5132                 } else {
5133                         /* Key Material */
5134                         if (KeyContent) {
5135                                 write_nic_dword(dev, WCAMI,
5136                                                 *(KeyContent + i - 2));
5137                                 write_nic_dword(dev, RWCAM, TargetCommand);
5138                         }
5139                 }
5140         }
5141 }
5142
5143 /***************************************************************************
5144  *    ------------------- module init / exit stubs ----------------
5145  ****************************************************************************/
5146 module_init(rtl8192_usb_module_init);
5147 module_exit(rtl8192_usb_module_exit);