drivers/staging/rtl8192u/r8192U_core.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  * Linux device driver for RTL8192U
   4  *
   5  * Based on the r8187 driver, which is:
   6  * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  19  *
  20  * The full GNU General Public License is included in this distribution in the
  21  * file called LICENSE.
  22  *
  23  * Contact Information:
  24  * Jerry chuang <wlanfae@realtek.com>
  25  */
  26
  27 #ifndef CONFIG_FORCE_HARD_FLOAT
  28 double __floatsidf(int i)
  29 {
  30         return i;
  31 }
  32
  33 unsigned int __fixunsdfsi(double d)
  34 {
  35         return d;
  36 }
  37
  38 double __adddf3(double a, double b)
  39 {
  40         return a + b;
  41 }
  42
  43 double __addsf3(float a, float b)
  44 {
  45         return a + b;
  46 }
  47
  48 double __subdf3(double a, double b)
  49 {
  50         return a - b;
  51 }
  52
  53 double __extendsfdf2(float a)
  54 {
  55         return a;
  56 }
  57 #endif
  58
  59 #define CONFIG_RTL8192_IO_MAP
  60
  61 #include <linux/uaccess.h>
  62 #include "r8192U_hw.h"
  63 #include "r8192U.h"
  64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
  65 #include "r8180_93cx6.h"   /* Card EEPROM */
  66 #include "r8192U_wx.h"
  67 #include "r819xU_phy.h"
  68 #include "r819xU_phyreg.h"
  69 #include "r819xU_cmdpkt.h"
  70 #include "r8192U_dm.h"
  71 #include <linux/usb.h>
  72 #include <linux/slab.h>
  73 #include <linux/proc_fs.h>
  74 #include <linux/seq_file.h>
  75 /* FIXME: check if 2.6.7 is ok */
  76
  77 #include "dot11d.h"
  78 /* set here to open your trace code. */
  79 u32 rt_global_debug_component = COMP_DOWN       |
  80                                 COMP_SEC        |
  81                                 COMP_ERR; /* always open err flags on */
  82
  83 #define TOTAL_CAM_ENTRY 32
  84 #define CAM_CONTENT_COUNT 8
  85
  86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
  87         /* Realtek */
  88         {USB_DEVICE(0x0bda, 0x8709)},
  89         /* Corega */
  90         {USB_DEVICE(0x07aa, 0x0043)},
  91         /* Belkin */
  92         {USB_DEVICE(0x050d, 0x805E)},
  93         /* Sitecom */
  94         {USB_DEVICE(0x0df6, 0x0031)},
  95         /* EnGenius */
  96         {USB_DEVICE(0x1740, 0x9201)},
  97         /* Dlink */
  98         {USB_DEVICE(0x2001, 0x3301)},
  99         /* Zinwell */
 100         {USB_DEVICE(0x5a57, 0x0290)},
 101         /* LG */
 102         {USB_DEVICE(0x043e, 0x7a01)},
 103         {}
 104 };
 105
 106 MODULE_LICENSE("GPL");
 107 MODULE_VERSION("V 1.1");
 108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
 109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
 110
 111 static char *ifname = "wlan%d";
 112 static int hwwep = 1;  /* default use hw. set 0 to use software security */
 113 static int channels = 0x3fff;
 114
 115
 116
 117 module_param(ifname, charp, 0644);
 118 module_param(hwwep, int, 0644);
 119 module_param(channels, int, 0644);
 120
 121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
 122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
 123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 124
 125 static int rtl8192_usb_probe(struct usb_interface *intf,
 126                              const struct usb_device_id *id);
 127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
 128
 129
 130 static struct usb_driver rtl8192_usb_driver = {
 131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
 132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
 133         .probe          = rtl8192_usb_probe,              /* probe fn      */
 134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
 135         .suspend        = NULL,                           /* PM suspend fn */
 136         .resume         = NULL,                           /* PM resume fn  */
 137 };
 138
 139
 140 struct CHANNEL_LIST {
 141         u8      Channel[32];
 142         u8      Len;
 143 };
 144
 145 static struct CHANNEL_LIST ChannelPlan[] = {
 146         /* FCC */
 147         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
 148         /* IC */
 149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
 150         /* ETSI */
 151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
 152         /* Spain. Change to ETSI. */
 153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 154         /* France. Change to ETSI. */
 155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 156         /* MKK */
 157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 158         /* MKK1 */
 159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 160         /* Israel. */
 161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 162         /* For 11a , TELEC */
 163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 164         /* MIC */
 165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
 167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 168 };
 169
 170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 171 {
 172         int i, max_chan = -1, min_chan = -1;
 173         struct ieee80211_device *ieee = priv->ieee80211;
 174
 175         switch (channel_plan) {
 176         case COUNTRY_CODE_FCC:
 177         case COUNTRY_CODE_IC:
 178         case COUNTRY_CODE_ETSI:
 179         case COUNTRY_CODE_SPAIN:
 180         case COUNTRY_CODE_FRANCE:
 181         case COUNTRY_CODE_MKK:
 182         case COUNTRY_CODE_MKK1:
 183         case COUNTRY_CODE_ISRAEL:
 184         case COUNTRY_CODE_TELEC:
 185         case COUNTRY_CODE_MIC:
 186                 Dot11d_Init(ieee);
 187                 ieee->bGlobalDomain = false;
 188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
 189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
 190                         min_chan = 1;
 191                         max_chan = 14;
 192                 } else {
 193                         RT_TRACE(COMP_ERR,
 194                                  "unknown rf chip, can't set channel map in function:%s()\n",
 195                                  __func__);
 196                 }
 197                 if (ChannelPlan[channel_plan].Len != 0) {
 198                         /* Clear old channel map */
 199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 201                         /* Set new channel map */
 202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 204                                         break;
 205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 206                         }
 207                 }
 208                 break;
 209
 210         case COUNTRY_CODE_GLOBAL_DOMAIN:
 211                 /* this flag enabled to follow 11d country IE setting,
 212                  * otherwise, it shall follow global domain settings.
 213                  */
 214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
 215                 Dot11d_Reset(ieee);
 216                 ieee->bGlobalDomain = true;
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222 }
 223
 224
 225
 226
 227 static void CamResetAllEntry(struct net_device *dev)
 228 {
 229         u32 ulcommand = 0;
 230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
 231          * associate to AP. However, ResetKey is called on
 232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
 233          * condition, Cam can not be reset because upper layer will not set
 234          * this static key again.
 235          */
 236         ulcommand |= BIT(31) | BIT(30);
 237         write_nic_dword(dev, RWCAM, ulcommand);
 238 }
 239
 240
 241 void write_cam(struct net_device *dev, u8 addr, u32 data)
 242 {
 243         write_nic_dword(dev, WCAMI, data);
 244         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
 245 }
 246
 247 u32 read_cam(struct net_device *dev, u8 addr)
 248 {
 249         u32 data;
 250
 251         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 252         read_nic_dword(dev, 0xa8, &data);
 253         return data;
 254 }
 255
 256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 257 {
 258         int status;
 259         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 260         struct usb_device *udev = priv->udev;
 261         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 262
 263         if (!usbdata)
 264                 return -ENOMEM;
 265         *usbdata = data;
 266
 267         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 268                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 269                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 270         kfree(usbdata);
 271
 272         if (status < 0) {
 273                 netdev_err(dev, "%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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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, HZ / 2);
 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(unsigned long data);
 501
 502 /****************************************************************************
 503  *   -----------------------------PROCFS STUFF-------------------------
 504  ****************************************************************************/
 505
 506 static struct proc_dir_entry *rtl8192_proc;
 507
 508 static int 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 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 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 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 /*
 650  * seq_file wrappers for procfile show routines.
 651  */
 652 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 653 {
 654         struct net_device *dev = proc_get_parent_data(inode);
 655         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 656
 657         return single_open(file, show, dev);
 658 }
 659
 660 static const struct file_operations rtl8192_proc_fops = {
 661         .open           = rtl8192_proc_open,
 662         .read           = seq_read,
 663         .llseek         = seq_lseek,
 664         .release        = single_release,
 665 };
 666
 667 /*
 668  * Table of proc files we need to create.
 669  */
 670 struct rtl8192_proc_file {
 671         char name[12];
 672         int (*show)(struct seq_file *, void *);
 673 };
 674
 675 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 676         { "stats-rx",   &proc_get_stats_rx },
 677         { "stats-tx",   &proc_get_stats_tx },
 678         { "stats-ap",   &proc_get_stats_ap },
 679         { "registers",  &proc_get_registers },
 680         { "" }
 681 };
 682
 683 static void rtl8192_proc_init_one(struct net_device *dev)
 684 {
 685         const struct rtl8192_proc_file *f;
 686         struct proc_dir_entry *dir;
 687
 688         if (rtl8192_proc) {
 689                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 690                 if (!dir) {
 691                         RT_TRACE(COMP_ERR,
 692                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 693                                  dev->name);
 694                         return;
 695                 }
 696
 697                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 698                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 699                                               &rtl8192_proc_fops, f->show)) {
 700                                 RT_TRACE(COMP_ERR,
 701                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 702                                          dev->name, f->name);
 703                                 return;
 704                         }
 705                 }
 706         }
 707 }
 708
 709 static void rtl8192_proc_remove_one(struct net_device *dev)
 710 {
 711         remove_proc_subtree(dev->name, rtl8192_proc);
 712 }
 713
 714 /****************************************************************************
 715  *  -----------------------------MISC STUFF-------------------------
 716  *****************************************************************************/
 717
 718 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 719 {
 720         struct r8192_priv *priv = ieee80211_priv(dev);
 721         int used = atomic_read(&priv->tx_pending[queue_index]);
 722
 723         return (used < MAX_TX_URB);
 724 }
 725
 726 static void tx_timeout(struct net_device *dev)
 727 {
 728         struct r8192_priv *priv = ieee80211_priv(dev);
 729
 730         schedule_work(&priv->reset_wq);
 731 }
 732
 733 void rtl8192_update_msr(struct net_device *dev)
 734 {
 735         struct r8192_priv *priv = ieee80211_priv(dev);
 736         u8 msr;
 737
 738         read_nic_byte(dev, MSR, &msr);
 739         msr &= ~MSR_LINK_MASK;
 740
 741         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 742          * msr must be updated if the state is ASSOCIATING.
 743          * this is intentional and make sense for ad-hoc and
 744          * master (see the create BSS/IBSS func)
 745          */
 746         if (priv->ieee80211->state == IEEE80211_LINKED) {
 747                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 748                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 749                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 750                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 751                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 752                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 753
 754         } else {
 755                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 756         }
 757
 758         write_nic_byte(dev, MSR, msr);
 759 }
 760
 761 void rtl8192_set_chan(struct net_device *dev, short ch)
 762 {
 763         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 764
 765         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 766         priv->chan = ch;
 767
 768         /* this hack should avoid frame TX during channel setting*/
 769
 770         /* need to implement rf set channel here */
 771
 772         if (priv->rf_set_chan)
 773                 priv->rf_set_chan(dev, priv->chan);
 774         mdelay(10);
 775 }
 776
 777 static void rtl8192_rx_isr(struct urb *urb);
 778
 779 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 780 {
 781         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 782                 + pstats->RxBufShift);
 783 }
 784
 785 static int rtl8192_rx_initiate(struct net_device *dev)
 786 {
 787         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 788         struct urb *entry;
 789         struct sk_buff *skb;
 790         struct rtl8192_rx_info *info;
 791
 792         /* nomal packet rx procedure */
 793         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 794                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 795                 if (!skb)
 796                         break;
 797                 entry = usb_alloc_urb(0, GFP_KERNEL);
 798                 if (!entry) {
 799                         kfree_skb(skb);
 800                         break;
 801                 }
 802                 usb_fill_bulk_urb(entry, priv->udev,
 803                                   usb_rcvbulkpipe(priv->udev, 3),
 804                                   skb_tail_pointer(skb),
 805                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 806                 info = (struct rtl8192_rx_info *)skb->cb;
 807                 info->urb = entry;
 808                 info->dev = dev;
 809                 info->out_pipe = 3; /* denote rx normal packet queue */
 810                 skb_queue_tail(&priv->rx_queue, skb);
 811                 usb_submit_urb(entry, GFP_KERNEL);
 812         }
 813
 814         /* command packet rx procedure */
 815         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 816                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 817                 if (!skb)
 818                         break;
 819                 entry = usb_alloc_urb(0, GFP_KERNEL);
 820                 if (!entry) {
 821                         kfree_skb(skb);
 822                         break;
 823                 }
 824                 usb_fill_bulk_urb(entry, priv->udev,
 825                                   usb_rcvbulkpipe(priv->udev, 9),
 826                                   skb_tail_pointer(skb),
 827                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 828                 info = (struct rtl8192_rx_info *)skb->cb;
 829                 info->urb = entry;
 830                 info->dev = dev;
 831                 info->out_pipe = 9; /* denote rx cmd packet queue */
 832                 skb_queue_tail(&priv->rx_queue, skb);
 833                 usb_submit_urb(entry, GFP_KERNEL);
 834         }
 835
 836         return 0;
 837 }
 838
 839 void rtl8192_set_rxconf(struct net_device *dev)
 840 {
 841         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 842         u32 rxconf;
 843
 844         read_nic_dword(dev, RCR, &rxconf);
 845         rxconf = rxconf & ~MAC_FILTER_MASK;
 846         rxconf = rxconf | RCR_AMF;
 847         rxconf = rxconf | RCR_ADF;
 848         rxconf = rxconf | RCR_AB;
 849         rxconf = rxconf | RCR_AM;
 850
 851         if (dev->flags & IFF_PROMISC)
 852                 DMESG("NIC in promisc mode");
 853
 854         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 855             dev->flags & IFF_PROMISC) {
 856                 rxconf = rxconf | RCR_AAP;
 857         } else {
 858                 rxconf = rxconf | RCR_APM;
 859                 rxconf = rxconf | RCR_CBSSID;
 860         }
 861
 862
 863         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 864                 rxconf = rxconf | RCR_AICV;
 865                 rxconf = rxconf | RCR_APWRMGT;
 866         }
 867
 868         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 869                 rxconf = rxconf | RCR_ACRC32;
 870
 871
 872         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 873         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 874         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 875         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 876
 877         rxconf = rxconf | RCR_ONLYERLPKT;
 878
 879         write_nic_dword(dev, RCR, rxconf);
 880 }
 881
 882 /* wait to be removed */
 883 void rtl8192_rx_enable(struct net_device *dev)
 884 {
 885         rtl8192_rx_initiate(dev);
 886 }
 887
 888
 889 void rtl8192_tx_enable(struct net_device *dev)
 890 {
 891 }
 892
 893
 894
 895 void rtl8192_rtx_disable(struct net_device *dev)
 896 {
 897         u8 cmd;
 898         struct r8192_priv *priv = ieee80211_priv(dev);
 899         struct sk_buff *skb;
 900         struct rtl8192_rx_info *info;
 901
 902         read_nic_byte(dev, CMDR, &cmd);
 903         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 904         force_pci_posting(dev);
 905         mdelay(10);
 906
 907         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 908                 info = (struct rtl8192_rx_info *)skb->cb;
 909                 if (!info->urb)
 910                         continue;
 911
 912                 usb_kill_urb(info->urb);
 913                 kfree_skb(skb);
 914         }
 915
 916         if (skb_queue_len(&priv->skb_queue))
 917                 netdev_warn(dev, "skb_queue not empty\n");
 918
 919         skb_queue_purge(&priv->skb_queue);
 920 }
 921
 922 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 923 static void rtl8192_rx_isr(struct urb *urb)
 924 {
 925         struct sk_buff *skb = (struct sk_buff *)urb->context;
 926         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 927         struct net_device *dev = info->dev;
 928         struct r8192_priv *priv = ieee80211_priv(dev);
 929         int out_pipe = info->out_pipe;
 930         int err;
 931
 932         if (!priv->up)
 933                 return;
 934
 935         if (unlikely(urb->status)) {
 936                 info->urb = NULL;
 937                 priv->stats.rxstaterr++;
 938                 priv->ieee80211->stats.rx_errors++;
 939                 usb_free_urb(urb);
 940                 return;
 941         }
 942         skb_unlink(skb, &priv->rx_queue);
 943         skb_put(skb, urb->actual_length);
 944
 945         skb_queue_tail(&priv->skb_queue, skb);
 946         tasklet_schedule(&priv->irq_rx_tasklet);
 947
 948         skb = dev_alloc_skb(RX_URB_SIZE);
 949         if (unlikely(!skb)) {
 950                 usb_free_urb(urb);
 951                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 952                 /* TODO check rx queue length and refill *somewhere* */
 953                 return;
 954         }
 955
 956         usb_fill_bulk_urb(urb, priv->udev,
 957                           usb_rcvbulkpipe(priv->udev, out_pipe),
 958                           skb_tail_pointer(skb),
 959                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 960
 961         info = (struct rtl8192_rx_info *)skb->cb;
 962         info->urb = urb;
 963         info->dev = dev;
 964         info->out_pipe = out_pipe;
 965
 966         urb->transfer_buffer = skb_tail_pointer(skb);
 967         urb->context = skb;
 968         skb_queue_tail(&priv->rx_queue, skb);
 969         err = usb_submit_urb(urb, GFP_ATOMIC);
 970         if (err && err != EPERM)
 971                 netdev_err(dev,
 972                            "can not submit rxurb, err is %x, URB status is %x\n",
 973                            err, urb->status);
 974 }
 975
 976 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 977                                         struct ieee80211_rx_stats *pstats)
 978 {
 979         u32     status;
 980
 981         status = cmpk_message_handle_rx(dev, pstats);
 982         if (status)
 983                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 984
 985         return status;
 986 }
 987
 988
 989 static void rtl8192_data_hard_stop(struct net_device *dev)
 990 {
 991         /* FIXME !! */
 992 }
 993
 994
 995 static void rtl8192_data_hard_resume(struct net_device *dev)
 996 {
 997         /* FIXME !! */
 998 }
 999
1000 /* this function TX data frames when the ieee80211 stack requires this.
1001  * It checks also if we need to stop the ieee tx queue, eventually do it
1002  */
1003 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1004                                    int rate)
1005 {
1006         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1007         int ret;
1008         unsigned long flags;
1009         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1010         u8 queue_index = tcb_desc->queue_index;
1011
1012         /* shall not be referred by command packet */
1013         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1014
1015         spin_lock_irqsave(&priv->tx_lock, flags);
1016
1017         *(struct net_device **)(skb->cb) = dev;
1018         tcb_desc->bTxEnableFwCalcDur = 1;
1019         skb_push(skb, priv->ieee80211->tx_headroom);
1020         ret = rtl8192_tx(dev, skb);
1021
1022         spin_unlock_irqrestore(&priv->tx_lock, flags);
1023 }
1024
1025 /* This is a rough attempt to TX a frame
1026  * This is called by the ieee 80211 stack to TX management frames.
1027  * If the ring is full packet are dropped (for data frame the queue
1028  * is stopped before this can happen).
1029  */
1030 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1031 {
1032         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1033         int ret;
1034         unsigned long flags;
1035         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1036         u8 queue_index = tcb_desc->queue_index;
1037
1038
1039         spin_lock_irqsave(&priv->tx_lock, flags);
1040
1041         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1042         if (queue_index == TXCMD_QUEUE) {
1043                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1044                 rtl819xU_tx_cmd(dev, skb);
1045                 ret = 1;
1046         } else {
1047                 skb_push(skb, priv->ieee80211->tx_headroom);
1048                 ret = rtl8192_tx(dev, skb);
1049         }
1050
1051         spin_unlock_irqrestore(&priv->tx_lock, flags);
1052
1053         return ret;
1054 }
1055
1056 static void rtl8192_tx_isr(struct urb *tx_urb)
1057 {
1058         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1059         struct net_device *dev;
1060         struct r8192_priv *priv = NULL;
1061         struct cb_desc *tcb_desc;
1062         u8  queue_index;
1063
1064         if (!skb)
1065                 return;
1066
1067         dev = *(struct net_device **)(skb->cb);
1068         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1069         queue_index = tcb_desc->queue_index;
1070
1071         priv = ieee80211_priv(dev);
1072
1073         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1074                 if (tx_urb->status == 0) {
1075                         netif_trans_update(dev);
1076                         priv->stats.txoktotal++;
1077                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1078                         priv->stats.txbytesunicast +=
1079                                 (skb->len - priv->ieee80211->tx_headroom);
1080                 } else {
1081                         priv->ieee80211->stats.tx_errors++;
1082                         /* TODO */
1083                 }
1084         }
1085
1086         /* free skb and tx_urb */
1087         dev_kfree_skb_any(skb);
1088         usb_free_urb(tx_urb);
1089         atomic_dec(&priv->tx_pending[queue_index]);
1090
1091         /*
1092          * Handle HW Beacon:
1093          * We had transfer our beacon frame to host controller at this moment.
1094          *
1095          *
1096          * Caution:
1097          * Handling the wait queue of command packets.
1098          * For Tx command packets, we must not do TCB fragment because it is
1099          * not handled right now. We must cut the packets to match the size of
1100          * TX_CMD_PKT before we send it.
1101          */
1102
1103         /* Handle MPDU in wait queue. */
1104         if (queue_index != BEACON_QUEUE) {
1105                 /* Don't send data frame during scanning.*/
1106                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1107                     (!(priv->ieee80211->queue_stop))) {
1108                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1109                         if (skb)
1110                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1111                                                                          dev);
1112
1113                         return; /* avoid further processing AMSDU */
1114                 }
1115         }
1116 }
1117
1118 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1119 {
1120         struct r8192_priv *priv = ieee80211_priv(dev);
1121         struct ieee80211_network *net;
1122         u8 i = 0, basic_rate = 0;
1123
1124         net = &priv->ieee80211->current_network;
1125
1126         for (i = 0; i < net->rates_len; i++) {
1127                 basic_rate = net->rates[i] & 0x7f;
1128                 switch (basic_rate) {
1129                 case MGN_1M:
1130                         *rate_config |= RRSR_1M;
1131                         break;
1132                 case MGN_2M:
1133                         *rate_config |= RRSR_2M;
1134                         break;
1135                 case MGN_5_5M:
1136                         *rate_config |= RRSR_5_5M;
1137                         break;
1138                 case MGN_11M:
1139                         *rate_config |= RRSR_11M;
1140                         break;
1141                 case MGN_6M:
1142                         *rate_config |= RRSR_6M;
1143                         break;
1144                 case MGN_9M:
1145                         *rate_config |= RRSR_9M;
1146                         break;
1147                 case MGN_12M:
1148                         *rate_config |= RRSR_12M;
1149                         break;
1150                 case MGN_18M:
1151                         *rate_config |= RRSR_18M;
1152                         break;
1153                 case MGN_24M:
1154                         *rate_config |= RRSR_24M;
1155                         break;
1156                 case MGN_36M:
1157                         *rate_config |= RRSR_36M;
1158                         break;
1159                 case MGN_48M:
1160                         *rate_config |= RRSR_48M;
1161                         break;
1162                 case MGN_54M:
1163                         *rate_config |= RRSR_54M;
1164                         break;
1165                 }
1166         }
1167         for (i = 0; i < net->rates_ex_len; i++) {
1168                 basic_rate = net->rates_ex[i] & 0x7f;
1169                 switch (basic_rate) {
1170                 case MGN_1M:
1171                         *rate_config |= RRSR_1M;
1172                         break;
1173                 case MGN_2M:
1174                         *rate_config |= RRSR_2M;
1175                         break;
1176                 case MGN_5_5M:
1177                         *rate_config |= RRSR_5_5M;
1178                         break;
1179                 case MGN_11M:
1180                         *rate_config |= RRSR_11M;
1181                         break;
1182                 case MGN_6M:
1183                         *rate_config |= RRSR_6M;
1184                         break;
1185                 case MGN_9M:
1186                         *rate_config |= RRSR_9M;
1187                         break;
1188                 case MGN_12M:
1189                         *rate_config |= RRSR_12M;
1190                         break;
1191                 case MGN_18M:
1192                         *rate_config |= RRSR_18M;
1193                         break;
1194                 case MGN_24M:
1195                         *rate_config |= RRSR_24M;
1196                         break;
1197                 case MGN_36M:
1198                         *rate_config |= RRSR_36M;
1199                         break;
1200                 case MGN_48M:
1201                         *rate_config |= RRSR_48M;
1202                         break;
1203                 case MGN_54M:
1204                         *rate_config |= RRSR_54M;
1205                         break;
1206                 }
1207         }
1208 }
1209
1210
1211 #define SHORT_SLOT_TIME 9
1212 #define NON_SHORT_SLOT_TIME 20
1213
1214 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1215 {
1216         u32 tmp = 0;
1217         struct r8192_priv *priv = ieee80211_priv(dev);
1218         struct ieee80211_network *net = &priv->ieee80211->current_network;
1219
1220         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1221         tmp = priv->basic_rate;
1222         if (priv->short_preamble)
1223                 tmp |= BRSR_AckShortPmb;
1224         write_nic_dword(dev, RRSR, tmp);
1225
1226         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1227                 u8 slot_time = 0;
1228
1229                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1230                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1231                         /* short slot time */
1232                         slot_time = SHORT_SLOT_TIME;
1233                 else    /* long slot time */
1234                         slot_time = NON_SHORT_SLOT_TIME;
1235                 priv->slot_time = slot_time;
1236                 write_nic_byte(dev, SLOT_TIME, slot_time);
1237         }
1238 }
1239
1240 static void rtl8192_net_update(struct net_device *dev)
1241 {
1242         struct r8192_priv *priv = ieee80211_priv(dev);
1243         struct ieee80211_network *net;
1244         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1245         u16 rate_config = 0;
1246
1247         net = &priv->ieee80211->current_network;
1248
1249         rtl8192_config_rate(dev, &rate_config);
1250         priv->basic_rate = rate_config & 0x15f;
1251
1252         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1253         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1254
1255         rtl8192_update_msr(dev);
1256         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1257                 write_nic_word(dev, ATIMWND, 2);
1258                 write_nic_word(dev, BCN_DMATIME, 1023);
1259                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1260                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1261                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1262                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1263                 /* TODO: BcnIFS may required to be changed on ASIC */
1264                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1265
1266                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1267         }
1268 }
1269
1270 /* temporary hw beacon is not used any more.
1271  * open it when necessary
1272  */
1273 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1274 {
1275
1276 }
1277
1278 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1279 {
1280         struct r8192_priv *priv = ieee80211_priv(dev);
1281         int                     status;
1282         struct urb              *tx_urb;
1283         unsigned int            idx_pipe;
1284         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1285         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1286         u8 queue_index = tcb_desc->queue_index;
1287
1288         atomic_inc(&priv->tx_pending[queue_index]);
1289         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1290         if (!tx_urb) {
1291                 dev_kfree_skb(skb);
1292                 return -ENOMEM;
1293         }
1294
1295         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1296         /* Tx descriptor ought to be set according to the skb->cb */
1297         pdesc->FirstSeg = 1;
1298         pdesc->LastSeg = 1;
1299         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1300         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1301         pdesc->OWN = 1;
1302         pdesc->LINIP = tcb_desc->bLastIniPkt;
1303
1304         /*---------------------------------------------------------------------
1305          * Fill up USB_OUT_CONTEXT.
1306          *---------------------------------------------------------------------
1307          */
1308         idx_pipe = 0x04;
1309         usb_fill_bulk_urb(tx_urb, priv->udev,
1310                           usb_sndbulkpipe(priv->udev, idx_pipe),
1311                           skb->data, skb->len, rtl8192_tx_isr, skb);
1312
1313         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1314
1315         if (!status)
1316                 return 0;
1317
1318         DMESGE("Error TX CMD URB, error %d", status);
1319         return -1;
1320 }
1321
1322 /*
1323  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1324  * in TxFwInfo data structure
1325  * 2006.10.30 by Emily
1326  *
1327  * \param QUEUEID       Software Queue
1328  */
1329 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1330 {
1331         u8 QueueSelect = 0x0;       /* default set to */
1332
1333         switch (QueueID) {
1334         case BE_QUEUE:
1335                 QueueSelect = QSLT_BE;
1336                 break;
1337
1338         case BK_QUEUE:
1339                 QueueSelect = QSLT_BK;
1340                 break;
1341
1342         case VO_QUEUE:
1343                 QueueSelect = QSLT_VO;
1344                 break;
1345
1346         case VI_QUEUE:
1347                 QueueSelect = QSLT_VI;
1348                 break;
1349         case MGNT_QUEUE:
1350                 QueueSelect = QSLT_MGNT;
1351                 break;
1352
1353         case BEACON_QUEUE:
1354                 QueueSelect = QSLT_BEACON;
1355                 break;
1356
1357                 /* TODO: mark other queue selection until we verify it is OK */
1358                 /* TODO: Remove Assertions */
1359         case TXCMD_QUEUE:
1360                 QueueSelect = QSLT_CMD;
1361                 break;
1362         case HIGH_QUEUE:
1363                 QueueSelect = QSLT_HIGH;
1364                 break;
1365
1366         default:
1367                 RT_TRACE(COMP_ERR,
1368                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1369                          QueueID);
1370                 break;
1371         }
1372         return QueueSelect;
1373 }
1374
1375 static u8 MRateToHwRate8190Pci(u8 rate)
1376 {
1377         u8  ret = DESC90_RATE1M;
1378
1379         switch (rate) {
1380         case MGN_1M:
1381                 ret = DESC90_RATE1M;
1382                 break;
1383         case MGN_2M:
1384                 ret = DESC90_RATE2M;
1385                 break;
1386         case MGN_5_5M:
1387                 ret = DESC90_RATE5_5M;
1388                 break;
1389         case MGN_11M:
1390                 ret = DESC90_RATE11M;
1391                 break;
1392         case MGN_6M:
1393                 ret = DESC90_RATE6M;
1394                 break;
1395         case MGN_9M:
1396                 ret = DESC90_RATE9M;
1397                 break;
1398         case MGN_12M:
1399                 ret = DESC90_RATE12M;
1400                 break;
1401         case MGN_18M:
1402                 ret = DESC90_RATE18M;
1403                 break;
1404         case MGN_24M:
1405                 ret = DESC90_RATE24M;
1406                 break;
1407         case MGN_36M:
1408                 ret = DESC90_RATE36M;
1409                 break;
1410         case MGN_48M:
1411                 ret = DESC90_RATE48M;
1412                 break;
1413         case MGN_54M:
1414                 ret = DESC90_RATE54M;
1415                 break;
1416
1417         /* HT rate since here */
1418         case MGN_MCS0:
1419                 ret = DESC90_RATEMCS0;
1420                 break;
1421         case MGN_MCS1:
1422                 ret = DESC90_RATEMCS1;
1423                 break;
1424         case MGN_MCS2:
1425                 ret = DESC90_RATEMCS2;
1426                 break;
1427         case MGN_MCS3:
1428                 ret = DESC90_RATEMCS3;
1429                 break;
1430         case MGN_MCS4:
1431                 ret = DESC90_RATEMCS4;
1432                 break;
1433         case MGN_MCS5:
1434                 ret = DESC90_RATEMCS5;
1435                 break;
1436         case MGN_MCS6:
1437                 ret = DESC90_RATEMCS6;
1438                 break;
1439         case MGN_MCS7:
1440                 ret = DESC90_RATEMCS7;
1441                 break;
1442         case MGN_MCS8:
1443                 ret = DESC90_RATEMCS8;
1444                 break;
1445         case MGN_MCS9:
1446                 ret = DESC90_RATEMCS9;
1447                 break;
1448         case MGN_MCS10:
1449                 ret = DESC90_RATEMCS10;
1450                 break;
1451         case MGN_MCS11:
1452                 ret = DESC90_RATEMCS11;
1453                 break;
1454         case MGN_MCS12:
1455                 ret = DESC90_RATEMCS12;
1456                 break;
1457         case MGN_MCS13:
1458                 ret = DESC90_RATEMCS13;
1459                 break;
1460         case MGN_MCS14:
1461                 ret = DESC90_RATEMCS14;
1462                 break;
1463         case MGN_MCS15:
1464                 ret = DESC90_RATEMCS15;
1465                 break;
1466         case (0x80 | 0x20):
1467                 ret = DESC90_RATEMCS32;
1468                 break;
1469
1470         default:
1471                 break;
1472         }
1473         return ret;
1474 }
1475
1476
1477 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1478 {
1479         u8   tmp_Short;
1480
1481         tmp_Short = (TxHT == 1) ?
1482                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1483                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1484
1485         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1486                 tmp_Short = 0;
1487
1488         return tmp_Short;
1489 }
1490
1491 static void tx_zero_isr(struct urb *tx_urb)
1492 {
1493 }
1494
1495 /*
1496  * The tx procedure is just as following,
1497  * skb->cb will contain all the following information,
1498  * priority, morefrag, rate, &dev.
1499  */
1500 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1501 {
1502         struct r8192_priv *priv = ieee80211_priv(dev);
1503         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1504         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1505         tx_fwinfo_819x_usb *tx_fwinfo =
1506                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1507         struct usb_device *udev = priv->udev;
1508         int pend;
1509         int status;
1510         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1511         unsigned int idx_pipe;
1512
1513         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1514         /* we are locked here so the two atomic_read and inc are executed
1515          * without interleaves
1516          * !!! For debug purpose
1517          */
1518         if (pend > MAX_TX_URB) {
1519                 netdev_dbg(dev, "To discard skb packet!\n");
1520                 dev_kfree_skb_any(skb);
1521                 return -1;
1522         }
1523
1524         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1525         if (!tx_urb) {
1526                 dev_kfree_skb_any(skb);
1527                 return -ENOMEM;
1528         }
1529
1530         /* Fill Tx firmware info */
1531         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1532         /* DWORD 0 */
1533         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1534         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1535         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1536         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1537                                         tcb_desc);
1538         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1539                 tx_fwinfo->AllowAggregation = 1;
1540                 /* DWORD 1 */
1541                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1542                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1543         } else {
1544                 tx_fwinfo->AllowAggregation = 0;
1545                 /* DWORD 1 */
1546                 tx_fwinfo->RxMF = 0;
1547                 tx_fwinfo->RxAMD = 0;
1548         }
1549
1550         /* Protection mode related */
1551         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1552         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1553         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1554         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1555         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1556         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1557         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1558         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1559                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1560
1561         /* Set Bandwidth and sub-channel settings. */
1562         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1563                 if (tcb_desc->bPacketBW) {
1564                         tx_fwinfo->TxBandwidth = 1;
1565                         /* use duplicated mode */
1566                         tx_fwinfo->TxSubCarrier = 0;
1567                 } else {
1568                         tx_fwinfo->TxBandwidth = 0;
1569                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1570                 }
1571         } else {
1572                 tx_fwinfo->TxBandwidth = 0;
1573                 tx_fwinfo->TxSubCarrier = 0;
1574         }
1575
1576         /* Fill Tx descriptor */
1577         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1578         /* DWORD 0 */
1579         tx_desc->LINIP = 0;
1580         tx_desc->CmdInit = 1;
1581         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1582         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1583
1584         /*DWORD 1*/
1585         tx_desc->SecCAMID = 0;
1586         tx_desc->RATid = tcb_desc->RATRIndex;
1587         tx_desc->NoEnc = 1;
1588         tx_desc->SecType = 0x0;
1589         if (tcb_desc->bHwSec) {
1590                 switch (priv->ieee80211->pairwise_key_type) {
1591                 case KEY_TYPE_WEP40:
1592                 case KEY_TYPE_WEP104:
1593                         tx_desc->SecType = 0x1;
1594                         tx_desc->NoEnc = 0;
1595                         break;
1596                 case KEY_TYPE_TKIP:
1597                         tx_desc->SecType = 0x2;
1598                         tx_desc->NoEnc = 0;
1599                         break;
1600                 case KEY_TYPE_CCMP:
1601                         tx_desc->SecType = 0x3;
1602                         tx_desc->NoEnc = 0;
1603                         break;
1604                 case KEY_TYPE_NA:
1605                         tx_desc->SecType = 0x0;
1606                         tx_desc->NoEnc = 1;
1607                         break;
1608                 }
1609         }
1610
1611         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1612         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1613
1614         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1615         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1616
1617         /* Fill fields that are required to be initialized in
1618          * all of the descriptors
1619          */
1620         /* DWORD 0 */
1621         tx_desc->FirstSeg = 1;
1622         tx_desc->LastSeg = 1;
1623         tx_desc->OWN = 1;
1624
1625         /* DWORD 2 */
1626         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1627         idx_pipe = 0x5;
1628
1629         /* To submit bulk urb */
1630         usb_fill_bulk_urb(tx_urb, udev,
1631                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1632                           skb->len, rtl8192_tx_isr, skb);
1633
1634         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1635         if (!status) {
1636                 /* We need to send 0 byte packet whenever
1637                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1638                  * been transmitted. Otherwise, it will be halt to wait for
1639                  * another packet.
1640                  */
1641                 bool bSend0Byte = false;
1642                 u8 zero = 0;
1643
1644                 if (udev->speed == USB_SPEED_HIGH) {
1645                         if (skb->len > 0 && skb->len % 512 == 0)
1646                                 bSend0Byte = true;
1647                 } else {
1648                         if (skb->len > 0 && skb->len % 64 == 0)
1649                                 bSend0Byte = true;
1650                 }
1651                 if (bSend0Byte) {
1652                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1653                         if (!tx_urb_zero)
1654                                 return -ENOMEM;
1655                         usb_fill_bulk_urb(tx_urb_zero, udev,
1656                                           usb_sndbulkpipe(udev, idx_pipe),
1657                                           &zero, 0, tx_zero_isr, dev);
1658                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1659                         if (status) {
1660                                 RT_TRACE(COMP_ERR,
1661                                          "Error TX URB for zero byte %d, error %d",
1662                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1663                                          status);
1664                                 return -1;
1665                         }
1666                 }
1667                 netif_trans_update(dev);
1668                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1669                 return 0;
1670         }
1671
1672         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1673                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1674                  status);
1675         return -1;
1676 }
1677
1678 static short rtl8192_usb_initendpoints(struct net_device *dev)
1679 {
1680         struct r8192_priv *priv = ieee80211_priv(dev);
1681
1682         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1683                                GFP_KERNEL);
1684         if (!priv->rx_urb)
1685                 return -ENOMEM;
1686
1687 #ifndef JACKSON_NEW_RX
1688         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1689                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1690
1691                 priv->rx_urb[i]->transfer_buffer =
1692                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1693
1694                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1695         }
1696 #endif
1697
1698 #ifdef THOMAS_BEACON
1699         {
1700                 long align = 0;
1701                 void *oldaddr, *newaddr;
1702
1703                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1704                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1705                 oldaddr = priv->oldaddr;
1706                 align = ((long)oldaddr) & 3;
1707                 if (align) {
1708                         newaddr = oldaddr + 4 - align;
1709                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1710                 } else {
1711                         newaddr = oldaddr;
1712                         priv->rx_urb[16]->transfer_buffer_length = 16;
1713                 }
1714                 priv->rx_urb[16]->transfer_buffer = newaddr;
1715         }
1716 #endif
1717
1718         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1719         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1720                                  GFP_KERNEL);
1721         if (!priv->pp_rxskb) {
1722                 kfree(priv->rx_urb);
1723
1724                 priv->pp_rxskb = NULL;
1725                 priv->rx_urb = NULL;
1726
1727                 DMESGE("Endpoint Alloc Failure");
1728                 return -ENOMEM;
1729         }
1730
1731         netdev_dbg(dev, "End of initendpoints\n");
1732         return 0;
1733 }
1734
1735 #ifdef THOMAS_BEACON
1736 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1737 {
1738         int i;
1739         struct r8192_priv *priv = ieee80211_priv(dev);
1740
1741         if (priv->rx_urb) {
1742                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1743                         usb_kill_urb(priv->rx_urb[i]);
1744                         usb_free_urb(priv->rx_urb[i]);
1745                 }
1746                 kfree(priv->rx_urb);
1747                 priv->rx_urb = NULL;
1748         }
1749         kfree(priv->oldaddr);
1750         priv->oldaddr = NULL;
1751
1752         kfree(priv->pp_rxskb);
1753         priv->pp_rxskb = NULL;
1754 }
1755 #else
1756 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1757 {
1758         int i;
1759         struct r8192_priv *priv = ieee80211_priv(dev);
1760
1761 #ifndef JACKSON_NEW_RX
1762
1763         if (priv->rx_urb) {
1764                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1765                         usb_kill_urb(priv->rx_urb[i]);
1766                         kfree(priv->rx_urb[i]->transfer_buffer);
1767                         usb_free_urb(priv->rx_urb[i]);
1768                 }
1769                 kfree(priv->rx_urb);
1770                 priv->rx_urb = NULL;
1771         }
1772 #else
1773         kfree(priv->rx_urb);
1774         priv->rx_urb = NULL;
1775         kfree(priv->oldaddr);
1776         priv->oldaddr = NULL;
1777
1778         kfree(priv->pp_rxskb);
1779         priv->pp_rxskb = 0;
1780
1781 #endif
1782 }
1783 #endif
1784
1785 static void rtl8192_update_ratr_table(struct net_device *dev);
1786 static void rtl8192_link_change(struct net_device *dev)
1787 {
1788         struct r8192_priv *priv = ieee80211_priv(dev);
1789         struct ieee80211_device *ieee = priv->ieee80211;
1790
1791         if (ieee->state == IEEE80211_LINKED) {
1792                 rtl8192_net_update(dev);
1793                 rtl8192_update_ratr_table(dev);
1794                 /* Add this as in pure N mode, wep encryption will use software
1795                  * way, but there is no chance to set this as wep will not set
1796                  * group key in wext.
1797                  */
1798                 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1799                     ieee->pairwise_key_type == KEY_TYPE_WEP104)
1800                         EnableHWSecurityConfig8192(dev);
1801         }
1802         /*update timing params*/
1803         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1804                 u32 reg = 0;
1805
1806                 read_nic_dword(dev, RCR, &reg);
1807                 if (priv->ieee80211->state == IEEE80211_LINKED)
1808                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1809                 else
1810                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1811                 write_nic_dword(dev, RCR, reg);
1812         }
1813 }
1814
1815 static const struct ieee80211_qos_parameters def_qos_parameters = {
1816         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1817         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1818         {2, 2, 2, 2},/* aifs */
1819         {0, 0, 0, 0},/* flags */
1820         {0, 0, 0, 0} /* tx_op_limit */
1821 };
1822
1823
1824 static void rtl8192_update_beacon(struct work_struct *work)
1825 {
1826         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1827                                                update_beacon_wq.work);
1828         struct net_device *dev = priv->ieee80211->dev;
1829         struct ieee80211_device *ieee = priv->ieee80211;
1830         struct ieee80211_network *net = &ieee->current_network;
1831
1832         if (ieee->pHTInfo->bCurrentHTSupport)
1833                 HTUpdateSelfAndPeerSetting(ieee, net);
1834         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1835                 net->bssht.bdRT2RTLongSlotTime;
1836         rtl8192_update_cap(dev, net->capability);
1837 }
1838
1839 /*
1840  * background support to run QoS activate functionality
1841  */
1842 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1843                              EDCAPARA_VI, EDCAPARA_VO};
1844 static void rtl8192_qos_activate(struct work_struct *work)
1845 {
1846         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1847                                                qos_activate);
1848         struct net_device *dev = priv->ieee80211->dev;
1849         struct ieee80211_qos_parameters *qos_parameters =
1850                 &priv->ieee80211->current_network.qos_data.parameters;
1851         u8 mode = priv->ieee80211->current_network.mode;
1852         u32  u1bAIFS;
1853         u32 u4bAcParam;
1854         u32 op_limit;
1855         u32 cw_max;
1856         u32 cw_min;
1857         int i;
1858
1859         mutex_lock(&priv->mutex);
1860         if (priv->ieee80211->state != IEEE80211_LINKED)
1861                 goto success;
1862         RT_TRACE(COMP_QOS,
1863                  "qos active process with associate response received\n");
1864         /* It better set slot time at first
1865          *
1866          * For we just support b/g mode at present, let the slot time at
1867          * 9/20 selection
1868          *
1869          * update the ac parameter to related registers
1870          */
1871         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1872                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1873                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1874                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1875                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1876                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1877                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1878                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1879                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1880                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1881                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1882                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1883         }
1884
1885 success:
1886         mutex_unlock(&priv->mutex);
1887 }
1888
1889 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1890                                              int active_network,
1891                                              struct ieee80211_network *network)
1892 {
1893         int ret = 0;
1894         u32 size = sizeof(struct ieee80211_qos_parameters);
1895
1896         if (priv->ieee80211->state != IEEE80211_LINKED)
1897                 return ret;
1898
1899         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1900                 return ret;
1901
1902         if (network->flags & NETWORK_HAS_QOS_MASK) {
1903                 if (active_network &&
1904                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1905                         network->qos_data.active = network->qos_data.supported;
1906
1907                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1908                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1909                     (network->qos_data.old_param_count !=
1910                      network->qos_data.param_count)) {
1911                         network->qos_data.old_param_count =
1912                                 network->qos_data.param_count;
1913                         schedule_work(&priv->qos_activate);
1914                         RT_TRACE(COMP_QOS,
1915                                  "QoS parameters change call qos_activate\n");
1916                 }
1917         } else {
1918                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1919                        &def_qos_parameters, size);
1920
1921                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1922                         schedule_work(&priv->qos_activate);
1923                         RT_TRACE(COMP_QOS,
1924                                  "QoS was disabled call qos_activate\n");
1925                 }
1926                 network->qos_data.active = 0;
1927                 network->qos_data.supported = 0;
1928         }
1929
1930         return 0;
1931 }
1932
1933 /* handle and manage frame from beacon and probe response */
1934 static int rtl8192_handle_beacon(struct net_device *dev,
1935                                  struct ieee80211_beacon *beacon,
1936                                  struct ieee80211_network *network)
1937 {
1938         struct r8192_priv *priv = ieee80211_priv(dev);
1939
1940         rtl8192_qos_handle_probe_response(priv, 1, network);
1941         schedule_delayed_work(&priv->update_beacon_wq, 0);
1942         return 0;
1943 }
1944
1945 /*
1946  * handling the beaconing responses. if we get different QoS setting
1947  * off the network from the associated setting, adjust the QoS
1948  * setting
1949  */
1950 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1951                                         struct ieee80211_network *network)
1952 {
1953         unsigned long flags;
1954         u32 size = sizeof(struct ieee80211_qos_parameters);
1955         int set_qos_param = 0;
1956
1957         if (!priv || !network)
1958                 return 0;
1959
1960         if (priv->ieee80211->state != IEEE80211_LINKED)
1961                 return 0;
1962
1963         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1964                 return 0;
1965
1966         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1967         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1968                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1969                        &network->qos_data.parameters,
1970                        sizeof(struct ieee80211_qos_parameters));
1971                 priv->ieee80211->current_network.qos_data.active = 1;
1972                 set_qos_param = 1;
1973                 /* update qos parameter for current network */
1974                 priv->ieee80211->current_network.qos_data.old_param_count =
1975                         priv->ieee80211->current_network.qos_data.param_count;
1976                 priv->ieee80211->current_network.qos_data.param_count =
1977                         network->qos_data.param_count;
1978         } else {
1979                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1980                        &def_qos_parameters, size);
1981                 priv->ieee80211->current_network.qos_data.active = 0;
1982                 priv->ieee80211->current_network.qos_data.supported = 0;
1983                 set_qos_param = 1;
1984         }
1985
1986         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1987
1988         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1989                  network->flags,
1990                  priv->ieee80211->current_network.qos_data.active);
1991         if (set_qos_param == 1)
1992                 schedule_work(&priv->qos_activate);
1993
1994
1995         return 0;
1996 }
1997
1998
1999 static int rtl8192_handle_assoc_response(
2000                 struct net_device *dev,
2001                 struct ieee80211_assoc_response_frame *resp,
2002                 struct ieee80211_network *network)
2003 {
2004         struct r8192_priv *priv = ieee80211_priv(dev);
2005
2006         rtl8192_qos_association_resp(priv, network);
2007         return 0;
2008 }
2009
2010
2011 static void rtl8192_update_ratr_table(struct net_device *dev)
2012 {
2013         struct r8192_priv *priv = ieee80211_priv(dev);
2014         struct ieee80211_device *ieee = priv->ieee80211;
2015         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2016         u32 ratr_value = 0;
2017         u8 rate_index = 0;
2018
2019         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2020         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2021         switch (ieee->mode) {
2022         case IEEE_A:
2023                 ratr_value &= 0x00000FF0;
2024                 break;
2025         case IEEE_B:
2026                 ratr_value &= 0x0000000F;
2027                 break;
2028         case IEEE_G:
2029                 ratr_value &= 0x00000FF7;
2030                 break;
2031         case IEEE_N_24G:
2032         case IEEE_N_5G:
2033                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2034                         ratr_value &= 0x0007F007;
2035                 } else {
2036                         if (priv->rf_type == RF_1T2R)
2037                                 ratr_value &= 0x000FF007;
2038                         else
2039                                 ratr_value &= 0x0F81F007;
2040                 }
2041                 break;
2042         default:
2043                 break;
2044         }
2045         ratr_value &= 0x0FFFFFFF;
2046         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2047                 ratr_value |= 0x80000000;
2048         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2049                  ieee->pHTInfo->bCurShortGI20MHz)
2050                 ratr_value |= 0x80000000;
2051         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2052         write_nic_byte(dev, UFWP, 1);
2053 }
2054
2055 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2056 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2057 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2058 {
2059         struct r8192_priv *priv = ieee80211_priv(dev);
2060         struct ieee80211_device *ieee = priv->ieee80211;
2061         struct ieee80211_network *network = &ieee->current_network;
2062         int wpa_ie_len = ieee->wpa_ie_len;
2063         struct ieee80211_crypt_data *crypt;
2064         int encrypt;
2065
2066         crypt = ieee->crypt[ieee->tx_keyidx];
2067         /* we use connecting AP's capability instead of only security config
2068          * on our driver to distinguish whether it should use N mode or G mode
2069          */
2070         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2071                   (ieee->host_encrypt && crypt && crypt->ops &&
2072                    (strcmp(crypt->ops->name, "WEP") == 0));
2073
2074         /* simply judge  */
2075         if (encrypt && (wpa_ie_len == 0)) {
2076                 /* wep encryption, no N mode setting */
2077                 return false;
2078         } else if ((wpa_ie_len != 0)) {
2079                 /* parse pairwise key type */
2080                 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))))
2081                         return true;
2082                 else
2083                         return false;
2084         } else {
2085                 return true;
2086         }
2087
2088         return true;
2089 }
2090
2091 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2092 {
2093         struct r8192_priv *priv = ieee80211_priv(dev);
2094
2095         return priv->ieee80211->bHalfWirelessN24GMode;
2096 }
2097
2098 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2099 {
2100         struct ieee80211_device *ieee = priv->ieee80211;
2101         /* We do not consider set support rate for ABG mode, only
2102          * HT MCS rate is set here.
2103          */
2104         if (ieee->mode == WIRELESS_MODE_N_24G ||
2105             ieee->mode == WIRELESS_MODE_N_5G)
2106                 memcpy(ieee->Regdot11HTOperationalRateSet,
2107                        ieee->RegHTSuppRateSet, 16);
2108         else
2109                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2110 }
2111
2112 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2113 {
2114         struct r8192_priv *priv = ieee80211_priv(dev);
2115         u8 ret = 0;
2116
2117         switch (priv->rf_chip) {
2118         case RF_8225:
2119         case RF_8256:
2120         case RF_PSEUDO_11N:
2121                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2122                 break;
2123         case RF_8258:
2124                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2125                 break;
2126         default:
2127                 ret = WIRELESS_MODE_B;
2128                 break;
2129         }
2130         return ret;
2131 }
2132
2133 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2134 {
2135         struct r8192_priv *priv = ieee80211_priv(dev);
2136         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2137
2138         if (wireless_mode == WIRELESS_MODE_AUTO ||
2139             (wireless_mode & bSupportMode) == 0) {
2140                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2141                         wireless_mode = WIRELESS_MODE_N_24G;
2142                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2143                         wireless_mode = WIRELESS_MODE_N_5G;
2144                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2145                         wireless_mode = WIRELESS_MODE_A;
2146                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2147                         wireless_mode = WIRELESS_MODE_G;
2148                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2149                         wireless_mode = WIRELESS_MODE_B;
2150                 } else {
2151                         RT_TRACE(COMP_ERR,
2152                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2153                                  __func__, bSupportMode);
2154                         wireless_mode = WIRELESS_MODE_B;
2155                 }
2156         }
2157 #ifdef TO_DO_LIST
2158         /* TODO: this function doesn't work well at this time,
2159          * we should wait for FPGA
2160          */
2161         ActUpdateChannelAccessSetting(
2162                         pAdapter, pHalData->CurrentWirelessMode,
2163                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2164 #endif
2165         priv->ieee80211->mode = wireless_mode;
2166
2167         if (wireless_mode == WIRELESS_MODE_N_24G ||
2168             wireless_mode == WIRELESS_MODE_N_5G)
2169                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2170         else
2171                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2172         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2173         rtl8192_refresh_supportrate(priv);
2174 }
2175
2176 /* init priv variables here. only non_zero value should be initialized here. */
2177 static void rtl8192_init_priv_variable(struct net_device *dev)
2178 {
2179         struct r8192_priv *priv = ieee80211_priv(dev);
2180         u8 i;
2181
2182         priv->card_8192 = NIC_8192U;
2183         priv->chan = 1; /* set to channel 1 */
2184         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2185         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2186         priv->ieee80211->ieee_up = 0;
2187         priv->retry_rts = DEFAULT_RETRY_RTS;
2188         priv->retry_data = DEFAULT_RETRY_DATA;
2189         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2190         priv->ieee80211->rate = 110; /* 11 mbps */
2191         priv->ieee80211->short_slot = 1;
2192         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2193         priv->CckPwEnl = 6;
2194         /* for silent reset */
2195         priv->IrpPendingCount = 1;
2196         priv->ResetProgress = RESET_TYPE_NORESET;
2197         priv->bForcedSilentReset = false;
2198         priv->bDisableNormalResetCheck = false;
2199         priv->force_reset = false;
2200
2201         /* we don't use FW read/write RF until stable firmware is available. */
2202         priv->ieee80211->FwRWRF = 0;
2203         priv->ieee80211->current_network.beacon_interval =
2204                 DEFAULT_BEACONINTERVAL;
2205         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2206                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2207                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2208                 IEEE_SOFTMAC_BEACONS;
2209
2210         priv->ieee80211->active_scan = 1;
2211         priv->ieee80211->modulation =
2212                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2213         priv->ieee80211->host_encrypt = 1;
2214         priv->ieee80211->host_decrypt = 1;
2215         priv->ieee80211->start_send_beacons = NULL;
2216         priv->ieee80211->stop_send_beacons = NULL;
2217         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2218         priv->ieee80211->set_chan = rtl8192_set_chan;
2219         priv->ieee80211->link_change = rtl8192_link_change;
2220         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2221         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2222         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2223         priv->ieee80211->init_wmmparam_flag = 0;
2224         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2225         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2226         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2227         priv->ieee80211->qos_support = 1;
2228
2229         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2230         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2231         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2232
2233         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2234         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2235                 GetHalfNmodeSupportByAPs819xUsb;
2236         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2237
2238         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2239         priv->card_type = USB;
2240 #ifdef TO_DO_LIST
2241         if (Adapter->bInHctTest) {
2242                 pHalData->ShortRetryLimit = 7;
2243                 pHalData->LongRetryLimit = 7;
2244         }
2245 #endif
2246         priv->ShortRetryLimit = 0x30;
2247         priv->LongRetryLimit = 0x30;
2248         priv->EarlyRxThreshold = 7;
2249         priv->enable_gpio0 = 0;
2250         priv->TransmitConfig =
2251                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2252                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2253                 /* Short retry limit */
2254                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2255                 /* Long retry limit */
2256                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2257                 /* FALSE: HW provides PLCP length and LENGEXT
2258                  * TRUE: SW provides them
2259                  */
2260                 (false ? TCR_SAT : 0);
2261 #ifdef TO_DO_LIST
2262         if (Adapter->bInHctTest)
2263                 pHalData->ReceiveConfig =
2264                         pHalData->CSMethod |
2265                         /* accept management/data */
2266                         RCR_AMF | RCR_ADF |
2267                         /* accept control frame for SW
2268                          * AP needs PS-poll
2269                          */
2270                         RCR_ACF |
2271                         /* accept BC/MC/UC */
2272                         RCR_AB | RCR_AM | RCR_APM |
2273                         /* accept ICV/CRC error
2274                          * packet
2275                          */
2276                         RCR_AICV | RCR_ACRC32 |
2277                         /* Max DMA Burst Size per Tx
2278                          * DMA Burst, 7: unlimited.
2279                          */
2280                         ((u32)7 << RCR_MXDMA_OFFSET) |
2281                         /* Rx FIFO Threshold,
2282                          * 7: No Rx threshold.
2283                          */
2284                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2285                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2286         else
2287
2288 #endif
2289         priv->ReceiveConfig     =
2290                 /* accept management/data */
2291                 RCR_AMF | RCR_ADF |
2292                 /* accept control frame for SW AP needs PS-poll */
2293                 RCR_ACF |
2294                 /* accept BC/MC/UC */
2295                 RCR_AB | RCR_AM | RCR_APM |
2296                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2297                 ((u32)7 << RCR_MXDMA_OFFSET) |
2298                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2299                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2300                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2301
2302         priv->AcmControl = 0;
2303         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2304
2305         /* rx related queue */
2306         skb_queue_head_init(&priv->rx_queue);
2307         skb_queue_head_init(&priv->skb_queue);
2308
2309         /* Tx related queue */
2310         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2311                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2312         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2313                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2314         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2315                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2316         priv->rf_set_chan = rtl8192_phy_SwChnl;
2317 }
2318
2319 /* init lock here */
2320 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2321 {
2322         spin_lock_init(&priv->tx_lock);
2323         spin_lock_init(&priv->irq_lock);
2324         mutex_init(&priv->wx_mutex);
2325         mutex_init(&priv->mutex);
2326 }
2327
2328 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2329
2330 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2331 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2332 #define DRV_NAME "wlan0"
2333 static void rtl8192_init_priv_task(struct net_device *dev)
2334 {
2335         struct r8192_priv *priv = ieee80211_priv(dev);
2336
2337
2338         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2339
2340         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2341                           rtl819x_watchdog_wqcallback);
2342         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2343                           dm_txpower_trackingcallback);
2344         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2345                           dm_rf_pathcheck_workitemcallback);
2346         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2347                           rtl8192_update_beacon);
2348         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2349                           InitialGainOperateWorkItemCallBack);
2350         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2351
2352         tasklet_init(&priv->irq_rx_tasklet,
2353                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2354                      (unsigned long)priv);
2355 }
2356
2357 static void rtl8192_get_eeprom_size(struct net_device *dev)
2358 {
2359         u16 curCR = 0;
2360         struct r8192_priv *priv = ieee80211_priv(dev);
2361
2362         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2363         read_nic_word_E(dev, EPROM_CMD, &curCR);
2364         RT_TRACE(COMP_EPROM,
2365                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2366         /* whether need I consider BIT(5?) */
2367         priv->epromtype =
2368                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2369         RT_TRACE(COMP_EPROM,
2370                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2371 }
2372
2373 /* used to swap endian. as ntohl & htonl are not necessary
2374  * to swap endian, so use this instead.
2375  */
2376 static inline u16 endian_swap(u16 *data)
2377 {
2378         u16 tmp = *data;
2379         *data = (tmp >> 8) | (tmp << 8);
2380         return *data;
2381 }
2382
2383 static int rtl8192_read_eeprom_info(struct net_device *dev)
2384 {
2385         u16 wEPROM_ID = 0;
2386         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2387         u8 bLoad_From_EEPOM = false;
2388         struct r8192_priv *priv = ieee80211_priv(dev);
2389         u16 tmpValue = 0;
2390         int i;
2391         int ret;
2392
2393         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2394         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2395         if (ret < 0)
2396                 return ret;
2397         wEPROM_ID = (u16)ret;
2398         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2399
2400         if (wEPROM_ID != RTL8190_EEPROM_ID)
2401                 RT_TRACE(COMP_ERR,
2402                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2403                          wEPROM_ID, RTL8190_EEPROM_ID);
2404         else
2405                 bLoad_From_EEPOM = true;
2406
2407         if (bLoad_From_EEPOM) {
2408                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2409                 ret = eprom_read(dev, EEPROM_VID >> 1);
2410                 if (ret < 0)
2411                         return ret;
2412                 tmpValue = (u16)ret;
2413                 priv->eeprom_vid = endian_swap(&tmpValue);
2414                 ret = eprom_read(dev, EEPROM_PID >> 1);
2415                 if (ret < 0)
2416                         return ret;
2417                 priv->eeprom_pid = (u16)ret;
2418                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2419                 if (ret < 0)
2420                         return ret;
2421                 tmpValue = (u16)ret;
2422                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2423                 priv->btxpowerdata_readfromEEPORM = true;
2424                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2425                 if (ret < 0)
2426                         return ret;
2427                 priv->eeprom_CustomerID = (u16)ret;
2428         } else {
2429                 priv->eeprom_vid = 0;
2430                 priv->eeprom_pid = 0;
2431                 priv->card_8192_version = VERSION_819xU_B;
2432                 priv->eeprom_ChannelPlan = 0;
2433                 priv->eeprom_CustomerID = 0;
2434         }
2435         RT_TRACE(COMP_EPROM,
2436                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2437                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2438                  priv->eeprom_ChannelPlan);
2439         /* set channelplan from eeprom */
2440         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2441         if (bLoad_From_EEPOM) {
2442                 int i;
2443
2444                 for (i = 0; i < 6; i += 2) {
2445                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2446                         if (ret < 0)
2447                                 return ret;
2448                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2449                 }
2450         } else {
2451                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2452                 /* should I set IDR0 here? */
2453         }
2454         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2455         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2456         priv->rf_chip = RF_8256;
2457
2458         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2459                 /* read Tx power gain offset of legacy OFDM to HT rate */
2460                 if (bLoad_From_EEPOM) {
2461                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2462                         if (ret < 0)
2463                                 return ret;
2464                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2465                 } else
2466                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2467                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2468                 /* read ThermalMeter from EEPROM */
2469                 if (bLoad_From_EEPOM) {
2470                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2471                         if (ret < 0)
2472                                 return ret;
2473                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2474                 } else
2475                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2476                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2477                 /* for tx power track */
2478                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2479                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2480                 if (bLoad_From_EEPOM) {
2481                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2482                         if (ret < 0)
2483                                 return ret;
2484                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2485                 } else
2486                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2487                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2488                 /* Read CrystalCap from EEPROM */
2489                 if (bLoad_From_EEPOM) {
2490                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2491                         if (ret < 0)
2492                                 return ret;
2493                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2494                 } else
2495                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2496                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2497                 /* get per-channel Tx power level */
2498                 if (bLoad_From_EEPOM) {
2499                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2500                         if (ret < 0)
2501                                 return ret;
2502                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2503                 } else
2504                         priv->EEPROM_Def_Ver = 1;
2505                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2506                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2507                         int i;
2508
2509                         if (bLoad_From_EEPOM) {
2510                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2511                                 if (ret < 0)
2512                                         return ret;
2513                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2514                         } else
2515                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2516                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2517                         for (i = 0; i < 3; i++) {
2518                                 if (bLoad_From_EEPOM) {
2519                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2520                                         if (ret < 0)
2521                                                 return ret;
2522                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2523                                                 tmpValue = (u16)ret & 0x00ff;
2524                                         else
2525                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2526                                 } else {
2527                                         tmpValue = 0x10;
2528                                 }
2529                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2530                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2531                         }
2532                 } else if (priv->EEPROM_Def_Ver == 1) {
2533                         if (bLoad_From_EEPOM) {
2534                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2535                                 if (ret < 0)
2536                                         return ret;
2537                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2538                         } else {
2539                                 tmpValue = 0x10;
2540                         }
2541                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2542
2543                         if (bLoad_From_EEPOM) {
2544                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2545                                 if (ret < 0)
2546                                         return ret;
2547                                 tmpValue = (u16)ret;
2548                         } else
2549                                 tmpValue = 0x1010;
2550                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2551                         if (bLoad_From_EEPOM)
2552                                 tmpValue = eprom_read(dev,
2553                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2554                         else
2555                                 tmpValue = 0x1010;
2556                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2557                         if (bLoad_From_EEPOM)
2558                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2559                         else
2560                                 tmpValue = 0x10;
2561                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2562                 } /* endif EEPROM_Def_Ver == 1 */
2563
2564                 /* update HAL variables */
2565                 for (i = 0; i < 14; i++) {
2566                         if (i <= 3)
2567                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2568                         else if (i >= 4 && i <= 9)
2569                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2570                         else
2571                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2572                 }
2573
2574                 for (i = 0; i < 14; i++) {
2575                         if (priv->EEPROM_Def_Ver == 0) {
2576                                 if (i <= 3)
2577                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2578                                 else if (i >= 4 && i <= 9)
2579                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2580                                 else
2581                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2582                         } else if (priv->EEPROM_Def_Ver == 1) {
2583                                 if (i <= 3)
2584                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2585                                 else if (i >= 4 && i <= 9)
2586                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2587                                 else
2588                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2589                         }
2590                 }
2591                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2592                 /* Antenna B gain offset to antenna A, bit0~3 */
2593                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2594                 /* Antenna C gain offset to antenna A, bit4~7 */
2595                 priv->AntennaTxPwDiff[1] =
2596                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2597                 /* CrystalCap, bit12~15 */
2598                 priv->CrystalCap = priv->EEPROMCrystalCap;
2599                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2600                  * 92U does not enable TX power tracking.
2601                  */
2602                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2603         } /* end if VersionID == VERSION_819xU_A */
2604
2605         /* for dlink led */
2606         switch (priv->eeprom_CustomerID) {
2607         case EEPROM_CID_RUNTOP:
2608                 priv->CustomerID = RT_CID_819x_RUNTOP;
2609                 break;
2610
2611         case EEPROM_CID_DLINK:
2612                 priv->CustomerID = RT_CID_DLINK;
2613                 break;
2614
2615         default:
2616                 priv->CustomerID = RT_CID_DEFAULT;
2617                 break;
2618         }
2619
2620         switch (priv->CustomerID) {
2621         case RT_CID_819x_RUNTOP:
2622                 priv->LedStrategy = SW_LED_MODE2;
2623                 break;
2624
2625         case RT_CID_DLINK:
2626                 priv->LedStrategy = SW_LED_MODE4;
2627                 break;
2628
2629         default:
2630                 priv->LedStrategy = SW_LED_MODE0;
2631                 break;
2632         }
2633
2634
2635         if (priv->rf_type == RF_1T2R)
2636                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2637         else
2638                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2639
2640         /* We can only know RF type in the function. So we have to init
2641          * DIG RATR table again.
2642          */
2643         init_rate_adaptive(dev);
2644
2645         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2646
2647         return 0;
2648 }
2649
2650 static short rtl8192_get_channel_map(struct net_device *dev)
2651 {
2652         struct r8192_priv *priv = ieee80211_priv(dev);
2653
2654         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2655                 netdev_err(dev,
2656                            "rtl8180_init: Error channel plan! Set to default.\n");
2657                 priv->ChannelPlan = 0;
2658         }
2659         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2660
2661         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2662         return 0;
2663 }
2664
2665 static short rtl8192_init(struct net_device *dev)
2666 {
2667         struct r8192_priv *priv = ieee80211_priv(dev);
2668         int err;
2669
2670         memset(&(priv->stats), 0, sizeof(struct Stats));
2671         memset(priv->txqueue_to_outpipemap, 0, 9);
2672 #ifdef PIPE12
2673         {
2674                 int i = 0;
2675                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2676
2677                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2678         }
2679 #else
2680         {
2681                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2682
2683                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2684         }
2685 #endif
2686         rtl8192_init_priv_variable(dev);
2687         rtl8192_init_priv_lock(priv);
2688         rtl8192_init_priv_task(dev);
2689         rtl8192_get_eeprom_size(dev);
2690         err = rtl8192_read_eeprom_info(dev);
2691         if (err) {
2692                 DMESG("Reading EEPROM info failed");
2693                 kfree(priv->pFirmware);
2694                 priv->pFirmware = NULL;
2695                 free_ieee80211(dev);
2696                 return err;
2697         }
2698         rtl8192_get_channel_map(dev);
2699         init_hal_dm(dev);
2700         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2701                     (unsigned long)dev);
2702         if (rtl8192_usb_initendpoints(dev) != 0) {
2703                 DMESG("Endopoints initialization failed");
2704                 return -ENOMEM;
2705         }
2706
2707         return 0;
2708 }
2709
2710 /******************************************************************************
2711  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2712  *           not to do all the hw config as its name says
2713  *   input:  net_device dev
2714  *  output:  none
2715  *  return:  none
2716  *  notice:  This part need to modified according to the rate set we filtered
2717  * ****************************************************************************/
2718 static void rtl8192_hwconfig(struct net_device *dev)
2719 {
2720         u32 regRATR = 0, regRRSR = 0;
2721         u8 regBwOpMode = 0, regTmp = 0;
2722         struct r8192_priv *priv = ieee80211_priv(dev);
2723         u32 ratr_value = 0;
2724
2725         /* Set RRSR, RATR, and BW_OPMODE registers */
2726         switch (priv->ieee80211->mode) {
2727         case WIRELESS_MODE_B:
2728                 regBwOpMode = BW_OPMODE_20MHZ;
2729                 regRATR = RATE_ALL_CCK;
2730                 regRRSR = RATE_ALL_CCK;
2731                 break;
2732         case WIRELESS_MODE_A:
2733                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2734                 regRATR = RATE_ALL_OFDM_AG;
2735                 regRRSR = RATE_ALL_OFDM_AG;
2736                 break;
2737         case WIRELESS_MODE_G:
2738                 regBwOpMode = BW_OPMODE_20MHZ;
2739                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2740                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2741                 break;
2742         case WIRELESS_MODE_AUTO:
2743 #ifdef TO_DO_LIST
2744                 if (Adapter->bInHctTest) {
2745                         regBwOpMode = BW_OPMODE_20MHZ;
2746                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2747                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2748                 } else
2749 #endif
2750                 {
2751                         regBwOpMode = BW_OPMODE_20MHZ;
2752                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2753                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2754                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2755                 }
2756                 break;
2757         case WIRELESS_MODE_N_24G:
2758                 /* It support CCK rate by default. CCK rate will be filtered
2759                  * out only when associated AP does not support it.
2760                  */
2761                 regBwOpMode = BW_OPMODE_20MHZ;
2762                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2763                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2764                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2765                 break;
2766         case WIRELESS_MODE_N_5G:
2767                 regBwOpMode = BW_OPMODE_5G;
2768                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2769                           RATE_ALL_OFDM_2SS;
2770                 regRRSR = RATE_ALL_OFDM_AG;
2771                 break;
2772         }
2773
2774         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2775         ratr_value = regRATR;
2776         if (priv->rf_type == RF_1T2R)
2777                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2778         write_nic_dword(dev, RATR0, ratr_value);
2779         write_nic_byte(dev, UFWP, 1);
2780         read_nic_byte(dev, 0x313, &regTmp);
2781         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2782         write_nic_dword(dev, RRSR, regRRSR);
2783
2784         /* Set Retry Limit here */
2785         write_nic_word(dev, RETRY_LIMIT,
2786                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2787                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2788         /* Set Contention Window here */
2789
2790         /* Set Tx AGC */
2791
2792         /* Set Tx Antenna including Feedback control */
2793
2794         /* Set Auto Rate fallback control */
2795 }
2796
2797
2798 /* InitializeAdapter and PhyCfg */
2799 static bool rtl8192_adapter_start(struct net_device *dev)
2800 {
2801         struct r8192_priv *priv = ieee80211_priv(dev);
2802         u32 dwRegRead = 0;
2803         bool init_status = true;
2804         u8 SECR_value = 0x0;
2805         u8 tmp;
2806
2807         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2808         priv->Rf_Mode = RF_OP_By_SW_3wire;
2809         /* for ASIC power on sequence */
2810         write_nic_byte_E(dev, 0x5f, 0x80);
2811         mdelay(50);
2812         write_nic_byte_E(dev, 0x5f, 0xf0);
2813         write_nic_byte_E(dev, 0x5d, 0x00);
2814         write_nic_byte_E(dev, 0x5e, 0x80);
2815         write_nic_byte(dev, 0x17, 0x37);
2816         mdelay(10);
2817         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2818         /* config CPUReset Register */
2819         /* Firmware Reset or not? */
2820         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2821         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2822                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2823         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2824                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2825         else
2826                 RT_TRACE(COMP_ERR,
2827                          "ERROR in %s(): undefined firmware state(%d)\n",
2828                          __func__,   priv->pFirmware->firmware_status);
2829
2830         write_nic_dword(dev, CPU_GEN, dwRegRead);
2831         /* config BB. */
2832         rtl8192_BBConfig(dev);
2833
2834         /* Loopback mode or not */
2835         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2836
2837         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2838         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2839                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2840                             CPU_GEN_NO_LOOPBACK_SET;
2841         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2842                 dwRegRead |= CPU_CCK_LOOPBACK;
2843         else
2844                 RT_TRACE(COMP_ERR,
2845                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2846                          __func__,  priv->LoopbackMode);
2847
2848         write_nic_dword(dev, CPU_GEN, dwRegRead);
2849
2850         /* after reset cpu, we need wait for a seconds to write in register. */
2851         udelay(500);
2852
2853         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2854         read_nic_byte_E(dev, 0x5f, &tmp);
2855         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2856
2857         /* Set Hardware */
2858         rtl8192_hwconfig(dev);
2859
2860         /* turn on Tx/Rx */
2861         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2862
2863         /* set IDR0 here */
2864         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2865         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2866
2867         /* set RCR */
2868         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2869
2870         /* Initialize Number of Reserved Pages in Firmware Queue */
2871         write_nic_dword(dev, RQPN1,
2872                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2873                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2874                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2875                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2876         write_nic_dword(dev, RQPN2,
2877                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2878                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2879         write_nic_dword(dev, RQPN3,
2880                 APPLIED_RESERVED_QUEUE_IN_FW |
2881                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2882         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2883
2884         /* Set AckTimeout */
2885         /* TODO: (it value is only for FPGA version). need to be changed!! */
2886         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2887
2888         if (priv->ResetProgress == RESET_TYPE_NORESET)
2889                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2890         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2891                 CamResetAllEntry(dev);
2892                 SECR_value |= SCR_TxEncEnable;
2893                 SECR_value |= SCR_RxDecEnable;
2894                 SECR_value |= SCR_NoSKMC;
2895                 write_nic_byte(dev, SECR, SECR_value);
2896         }
2897
2898         /* Beacon related */
2899         write_nic_word(dev, ATIMWND, 2);
2900         write_nic_word(dev, BCN_INTERVAL, 100);
2901
2902 #define DEFAULT_EDCA 0x005e4332
2903         {
2904                 int i;
2905
2906                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2907                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2908         }
2909
2910         rtl8192_phy_configmac(dev);
2911
2912         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2913                 rtl8192_phy_getTxPower(dev);
2914                 rtl8192_phy_setTxPower(dev, priv->chan);
2915         }
2916
2917         /* Firmware download */
2918         init_status = init_firmware(dev);
2919         if (!init_status) {
2920                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2921                          __func__);
2922                 return init_status;
2923         }
2924         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2925
2926 #ifdef TO_DO_LIST
2927         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2928                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2929                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2930                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2931                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2932                         /* Those actions will be discard in MgntActSet_RF_State
2933                          * because of the same state
2934                          */
2935                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2936                                 PHY_SetRFReg(Adapter,
2937                                              (RF90_RADIO_PATH_E)eRFPath,
2938                                              0x4, 0xC00, 0x0);
2939                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2940                         /* H/W or S/W RF OFF before sleep. */
2941                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2942                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2943                                   pMgntInfo->RfOffReason));
2944                         MgntActSet_RF_State(Adapter,
2945                                             eRfOff,
2946                                             pMgntInfo->RfOffReason);
2947                 } else {
2948                         pHalData->eRFPowerState = eRfOn;
2949                         pMgntInfo->RfOffReason = 0;
2950                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2951                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2952                 }
2953         } else {
2954                 if (pHalData->eRFPowerState == eRfOff) {
2955                         MgntActSet_RF_State(Adapter,
2956                                             eRfOff,
2957                                             pMgntInfo->RfOffReason);
2958                         /* Those actions will be discard in MgntActSet_RF_State
2959                          * because of the same state
2960                          */
2961                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2962                                 PHY_SetRFReg(Adapter,
2963                                              (RF90_RADIO_PATH_E)eRFPath,
2964                                              0x4, 0xC00, 0x0);
2965                 }
2966         }
2967 #endif
2968         /* config RF. */
2969         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2970                 rtl8192_phy_RFConfig(dev);
2971                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2972         }
2973
2974
2975         if (priv->ieee80211->FwRWRF)
2976                 /* We can force firmware to do RF-R/W */
2977                 priv->Rf_Mode = RF_OP_By_FW;
2978         else
2979                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2980
2981
2982         rtl8192_phy_updateInitGain(dev);
2983         /*--set CCK and OFDM Block "ON"--*/
2984         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2985         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2986
2987         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2988                 /* if D or C cut */
2989                 u8 tmpvalue;
2990
2991                 read_nic_byte(dev, 0x301, &tmpvalue);
2992                 if (tmpvalue == 0x03) {
2993                         priv->bDcut = true;
2994                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2995                 } else {
2996                         priv->bDcut = false;
2997                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2998                 }
2999                 dm_initialize_txpower_tracking(dev);
3000
3001                 if (priv->bDcut) {
3002                         u32 i, TempCCk;
3003                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3004                                                          rOFDM0_XATxIQImbalance,
3005                                                          bMaskDWord);
3006
3007                         for (i = 0; i < TxBBGainTableLength; i++) {
3008                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3009                                         priv->rfa_txpowertrackingindex = (u8)i;
3010                                         priv->rfa_txpowertrackingindex_real =
3011                                                 (u8)i;
3012                                         priv->rfa_txpowertracking_default =
3013                                                 priv->rfa_txpowertrackingindex;
3014                                         break;
3015                                 }
3016                         }
3017
3018                         TempCCk = rtl8192_QueryBBReg(dev,
3019                                                      rCCK0_TxFilter1,
3020                                                      bMaskByte2);
3021
3022                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3023                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3024                                         priv->cck_present_attenuation_20Mdefault = (u8)i;
3025                                         break;
3026                                 }
3027                         }
3028                         priv->cck_present_attenuation_40Mdefault = 0;
3029                         priv->cck_present_attenuation_difference = 0;
3030                         priv->cck_present_attenuation =
3031                                 priv->cck_present_attenuation_20Mdefault;
3032                 }
3033         }
3034         write_nic_byte(dev, 0x87, 0x0);
3035
3036
3037         return init_status;
3038 }
3039
3040 /* this configures registers for beacon tx and enables it via
3041  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3042  * be used to stop beacon transmission
3043  */
3044 /***************************************************************************
3045  *   -------------------------------NET STUFF---------------------------
3046  ***************************************************************************/
3047
3048 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3049 {
3050         struct r8192_priv *priv = ieee80211_priv(dev);
3051
3052         return &priv->ieee80211->stats;
3053 }
3054
3055 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3056 {
3057         struct r8192_priv *priv = ieee80211_priv(dev);
3058         u16             RegTxCounter;
3059         bool            bStuck = false;
3060
3061         read_nic_word(dev, 0x128, &RegTxCounter);
3062         RT_TRACE(COMP_RESET,
3063                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3064                  RegTxCounter, priv->TxCounter);
3065         if (priv->TxCounter == RegTxCounter)
3066                 bStuck = true;
3067
3068         priv->TxCounter = RegTxCounter;
3069
3070         return bStuck;
3071 }
3072
3073 /*
3074  *      <Assumption: RT_TX_SPINLOCK is acquired.>
3075  *      First added: 2006.11.19 by emily
3076  */
3077 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3078 {
3079         struct r8192_priv *priv = ieee80211_priv(dev);
3080         u8                      QueueID;
3081         bool                    bCheckFwTxCnt = false;
3082
3083         /* Decide such threshold according to current power save mode */
3084
3085         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3086                 if (QueueID == TXCMD_QUEUE)
3087                         continue;
3088                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3089                         continue;
3090
3091                 bCheckFwTxCnt = true;
3092         }
3093         if (bCheckFwTxCnt) {
3094                 if (HalTxCheckStuck819xUsb(dev)) {
3095                         RT_TRACE(COMP_RESET,
3096                                  "%s: Fw indicates no Tx condition!\n",
3097                                  __func__);
3098                         return RESET_TYPE_SILENT;
3099                 }
3100         }
3101         return RESET_TYPE_NORESET;
3102 }
3103
3104 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3105 {
3106         u16     RegRxCounter;
3107         struct r8192_priv *priv = ieee80211_priv(dev);
3108         bool bStuck = false;
3109         static u8       rx_chk_cnt;
3110
3111         read_nic_word(dev, 0x130, &RegRxCounter);
3112         RT_TRACE(COMP_RESET,
3113                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3114                  RegRxCounter, priv->RxCounter);
3115         /* If rssi is small, we should check rx for long time because of bad rx.
3116          * or maybe it will continuous silent reset every 2 seconds.
3117          */
3118         rx_chk_cnt++;
3119         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3120                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3121         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3122                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3123                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3124                 if (rx_chk_cnt < 2)
3125                         return bStuck;
3126
3127                 rx_chk_cnt = 0;
3128         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3129                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3130                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3131                 if (rx_chk_cnt < 4)
3132                         return bStuck;
3133
3134                 rx_chk_cnt = 0;
3135         } else {
3136                 if (rx_chk_cnt < 8)
3137                         return bStuck;
3138
3139                 rx_chk_cnt = 0;
3140         }
3141
3142         if (priv->RxCounter == RegRxCounter)
3143                 bStuck = true;
3144
3145         priv->RxCounter = RegRxCounter;
3146
3147         return bStuck;
3148 }
3149
3150 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3151 {
3152         struct r8192_priv *priv = ieee80211_priv(dev);
3153         bool        bRxCheck = false;
3154
3155         if (priv->IrpPendingCount > 1)
3156                 bRxCheck = true;
3157
3158         if (bRxCheck) {
3159                 if (HalRxCheckStuck819xUsb(dev)) {
3160                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3161                         return RESET_TYPE_SILENT;
3162                 }
3163         }
3164         return RESET_TYPE_NORESET;
3165 }
3166
3167
3168 /**
3169  * This function is called by Checkforhang to check whether we should
3170  * ask OS to reset driver
3171  *
3172  * \param pAdapter      The adapter context for this miniport
3173  *
3174  * Note:NIC with USB interface sholud not call this function because we
3175  * cannot scan descriptor to judge whether there is tx stuck.
3176  * Note: This function may be required to be rewrite for Vista OS.
3177  * <<<Assumption: Tx spinlock has been acquired >>>
3178  *
3179  * 8185 and 8185b does not implement this function.
3180  */
3181 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3182 {
3183         struct r8192_priv *priv = ieee80211_priv(dev);
3184         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3185         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3186         RT_RF_POWER_STATE       rfState;
3187
3188         rfState = priv->ieee80211->eRFPowerState;
3189
3190         TxResetType = TxCheckStuck(dev);
3191         if (rfState != eRfOff ||
3192             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3193                 /* If driver is in the status of firmware download failure,
3194                  * driver skips RF initialization and RF is in turned off
3195                  * state. Driver should check whether Rx stuck and do silent
3196                  * reset. And if driver is in firmware download failure status,
3197                  * driver should initialize RF in the following silent reset
3198                  * procedure
3199                  *
3200                  * Driver should not check RX stuck in IBSS mode because it is
3201                  * required to set Check BSSID in order to send beacon,
3202                  * however, if check BSSID is set, STA cannot hear any packet
3203                  * at all.
3204                  */
3205                 RxResetType = RxCheckStuck(dev);
3206         }
3207         if (TxResetType == RESET_TYPE_NORMAL ||
3208             RxResetType == RESET_TYPE_NORMAL) {
3209                 return RESET_TYPE_NORMAL;
3210         } else if (TxResetType == RESET_TYPE_SILENT ||
3211                    RxResetType == RESET_TYPE_SILENT) {
3212                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3213                 return RESET_TYPE_SILENT;
3214         } else {
3215                 return RESET_TYPE_NORESET;
3216         }
3217 }
3218
3219 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3220 static int _rtl8192_up(struct net_device *dev);
3221 static int rtl8192_close(struct net_device *dev);
3222
3223
3224
3225 static void CamRestoreAllEntry(struct net_device *dev)
3226 {
3227         u8 EntryId = 0;
3228         struct r8192_priv *priv = ieee80211_priv(dev);
3229         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3230
3231         static u8       CAM_CONST_ADDR[4][6] = {
3232                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3233                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3234                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3235                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3236         static u8       CAM_CONST_BROAD[] = {
3237                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3238
3239         RT_TRACE(COMP_SEC, "%s:\n", __func__);
3240
3241
3242         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3243             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3244                 for (EntryId = 0; EntryId < 4; EntryId++) {
3245                         MacAddr = CAM_CONST_ADDR[EntryId];
3246                         setKey(dev, EntryId, EntryId,
3247                                priv->ieee80211->pairwise_key_type,
3248                                MacAddr, 0, NULL);
3249                 }
3250
3251         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3252                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3253                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3254                                (u8 *)dev->dev_addr, 0, NULL);
3255                 else
3256                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3257                                MacAddr, 0, NULL);
3258         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3259                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3260                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3261                                (u8 *)dev->dev_addr, 0, NULL);
3262                 else
3263                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3264                                MacAddr, 0, NULL);
3265         }
3266
3267
3268
3269         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3270                 MacAddr = CAM_CONST_BROAD;
3271                 for (EntryId = 1; EntryId < 4; EntryId++) {
3272                         setKey(dev, EntryId, EntryId,
3273                                priv->ieee80211->group_key_type,
3274                                MacAddr, 0, NULL);
3275                 }
3276                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3277                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3278                                CAM_CONST_ADDR[0], 0, NULL);
3279         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3280                 MacAddr = CAM_CONST_BROAD;
3281                 for (EntryId = 1; EntryId < 4; EntryId++) {
3282                         setKey(dev, EntryId, EntryId,
3283                                priv->ieee80211->group_key_type,
3284                                MacAddr, 0, NULL);
3285                 }
3286
3287                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3288                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3289                                CAM_CONST_ADDR[0], 0, NULL);
3290         }
3291 }
3292
3293 /* This function is used to fix Tx/Rx stop bug temporarily.
3294  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3295  * The method checking Tx/Rx stuck of this function is supported by FW,
3296  * which reports Tx and Rx counter to register 0x128 and 0x130.
3297  */
3298 static void rtl819x_ifsilentreset(struct net_device *dev)
3299 {
3300         struct r8192_priv *priv = ieee80211_priv(dev);
3301         u8      reset_times = 0;
3302         int reset_status = 0;
3303         struct ieee80211_device *ieee = priv->ieee80211;
3304
3305
3306         /* If we need to check CCK stop, please uncomment this line. */
3307         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3308
3309         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3310 RESET_START:
3311
3312                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3313
3314                 /* Set the variable for reset. */
3315                 priv->ResetProgress = RESET_TYPE_SILENT;
3316                 mutex_lock(&priv->wx_mutex);
3317                 if (priv->up == 0) {
3318                         RT_TRACE(COMP_ERR,
3319                                  "%s():the driver is not up! return\n",
3320                                  __func__);
3321                         mutex_unlock(&priv->wx_mutex);
3322                         return;
3323                 }
3324                 priv->up = 0;
3325                 RT_TRACE(COMP_RESET,
3326                          "%s():======>start to down the driver\n",
3327                          __func__);
3328
3329                 rtl8192_rtx_disable(dev);
3330                 rtl8192_cancel_deferred_work(priv);
3331                 deinit_hal_dm(dev);
3332                 del_timer_sync(&priv->watch_dog_timer);
3333
3334                 ieee->sync_scan_hurryup = 1;
3335                 if (ieee->state == IEEE80211_LINKED) {
3336                         mutex_lock(&ieee->wx_mutex);
3337                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3338                         ieee80211_stop_send_beacons(priv->ieee80211);
3339                         del_timer_sync(&ieee->associate_timer);
3340                         cancel_delayed_work(&ieee->associate_retry_wq);
3341                         ieee80211_stop_scan(ieee);
3342                         netif_carrier_off(dev);
3343                         mutex_unlock(&ieee->wx_mutex);
3344                 } else {
3345                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3346                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3347                 }
3348                 mutex_unlock(&priv->wx_mutex);
3349                 RT_TRACE(COMP_RESET,
3350                          "%s():<==========down process is finished\n",
3351                          __func__);
3352                 RT_TRACE(COMP_RESET,
3353                          "%s():===========>start up the driver\n",
3354                          __func__);
3355                 reset_status = _rtl8192_up(dev);
3356
3357                 RT_TRACE(COMP_RESET,
3358                          "%s():<===========up process is finished\n",
3359                          __func__);
3360                 if (reset_status == -EAGAIN) {
3361                         if (reset_times < 3) {
3362                                 reset_times++;
3363                                 goto RESET_START;
3364                         } else {
3365                                 RT_TRACE(COMP_ERR,
3366                                          " ERR!!! %s():  Reset Failed!!\n",
3367                                          __func__);
3368                         }
3369                 }
3370                 ieee->is_silent_reset = 1;
3371                 EnableHWSecurityConfig8192(dev);
3372                 if (ieee->state == IEEE80211_LINKED &&
3373                     ieee->iw_mode == IW_MODE_INFRA) {
3374                         ieee->set_chan(ieee->dev,
3375                                        ieee->current_network.channel);
3376
3377                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3378
3379                 } else if (ieee->state == IEEE80211_LINKED &&
3380                            ieee->iw_mode == IW_MODE_ADHOC) {
3381                         ieee->set_chan(ieee->dev,
3382                                        ieee->current_network.channel);
3383                         ieee->link_change(ieee->dev);
3384
3385                         ieee80211_start_send_beacons(ieee);
3386
3387                         if (ieee->data_hard_resume)
3388                                 ieee->data_hard_resume(ieee->dev);
3389                         netif_carrier_on(ieee->dev);
3390                 }
3391
3392                 CamRestoreAllEntry(dev);
3393
3394                 priv->ResetProgress = RESET_TYPE_NORESET;
3395                 priv->reset_count++;
3396
3397                 priv->bForcedSilentReset = false;
3398                 priv->bResetInProgress = false;
3399
3400                 /* For test --> force write UFWP. */
3401                 write_nic_byte(dev, UFWP, 1);
3402                 RT_TRACE(COMP_RESET,
3403                          "Reset finished!! ====>[%d]\n",
3404                          priv->reset_count);
3405         }
3406 }
3407
3408 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3409                              u32 *TotalRxDataNum)
3410 {
3411         u16                     SlotIndex;
3412         u8                      i;
3413
3414         *TotalRxBcnNum = 0;
3415         *TotalRxDataNum = 0;
3416
3417         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3418                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3419         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3420                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3421         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3422                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3423         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3424                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3425                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3426         }
3427 }
3428
3429
3430 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3431 {
3432         struct delayed_work *dwork = to_delayed_work(work);
3433         struct r8192_priv *priv = container_of(dwork,
3434                                                struct r8192_priv, watch_dog_wq);
3435         struct net_device *dev = priv->ieee80211->dev;
3436         struct ieee80211_device *ieee = priv->ieee80211;
3437         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3438         static u8       check_reset_cnt;
3439         bool bBusyTraffic = false;
3440         u32     TotalRxBcnNum = 0;
3441         u32     TotalRxDataNum = 0;
3442
3443         if (!priv->up)
3444                 return;
3445         hal_dm_watchdog(dev);
3446
3447         /* to get busy traffic condition */
3448         if (ieee->state == IEEE80211_LINKED) {
3449                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3450                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3451                         bBusyTraffic = true;
3452                 }
3453                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3454                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3455                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3456         }
3457         /* for AP roaming */
3458         if (priv->ieee80211->state == IEEE80211_LINKED &&
3459             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3460                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3461                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3462 #ifdef TODO
3463                         if (rfState == eRfOff)
3464                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3465 #endif
3466                         netdev_dbg(dev,
3467                                    "===>%s(): AP is power off, connect another one\n",
3468                                    __func__);
3469                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3470                         notify_wx_assoc_event(priv->ieee80211);
3471                         RemovePeerTS(priv->ieee80211,
3472                                      priv->ieee80211->current_network.bssid);
3473                         priv->ieee80211->link_change(dev);
3474                         queue_work(priv->ieee80211->wq,
3475                                    &priv->ieee80211->associate_procedure_wq);
3476                 }
3477         }
3478         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3479         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3480         /* check if reset the driver */
3481         if (check_reset_cnt++ >= 3) {
3482                 ResetType = rtl819x_ifcheck_resetornot(dev);
3483                 check_reset_cnt = 3;
3484         }
3485         /* This is control by OID set in Pomelo */
3486         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3487             (priv->bForcedSilentReset ||
3488             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3489                 RT_TRACE(COMP_RESET,
3490                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3491                          __func__, priv->force_reset, priv->ResetProgress,
3492                          priv->bForcedSilentReset,
3493                          priv->bDisableNormalResetCheck, ResetType);
3494                 rtl819x_ifsilentreset(dev);
3495         }
3496         priv->force_reset = false;
3497         priv->bForcedSilentReset = false;
3498         priv->bResetInProgress = false;
3499         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3500 }
3501
3502 static void watch_dog_timer_callback(unsigned long data)
3503 {
3504         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3505
3506         schedule_delayed_work(&priv->watch_dog_wq, 0);
3507         mod_timer(&priv->watch_dog_timer,
3508                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3509 }
3510
3511 static int _rtl8192_up(struct net_device *dev)
3512 {
3513         struct r8192_priv *priv = ieee80211_priv(dev);
3514         int init_status = 0;
3515
3516         priv->up = 1;
3517         priv->ieee80211->ieee_up = 1;
3518         RT_TRACE(COMP_INIT, "Bringing up iface");
3519         init_status = rtl8192_adapter_start(dev);
3520         if (!init_status) {
3521                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3522                          __func__);
3523                 priv->up = priv->ieee80211->ieee_up = 0;
3524                 return -EAGAIN;
3525         }
3526         RT_TRACE(COMP_INIT, "start adapter finished\n");
3527         rtl8192_rx_enable(dev);
3528         if (priv->ieee80211->state != IEEE80211_LINKED)
3529                 ieee80211_softmac_start_protocol(priv->ieee80211);
3530         ieee80211_reset_queue(priv->ieee80211);
3531         watch_dog_timer_callback((unsigned long)dev);
3532         if (!netif_queue_stopped(dev))
3533                 netif_start_queue(dev);
3534         else
3535                 netif_wake_queue(dev);
3536
3537         return 0;
3538 }
3539
3540
3541 static int rtl8192_open(struct net_device *dev)
3542 {
3543         struct r8192_priv *priv = ieee80211_priv(dev);
3544         int ret;
3545
3546         mutex_lock(&priv->wx_mutex);
3547         ret = rtl8192_up(dev);
3548         mutex_unlock(&priv->wx_mutex);
3549         return ret;
3550 }
3551
3552
3553 int rtl8192_up(struct net_device *dev)
3554 {
3555         struct r8192_priv *priv = ieee80211_priv(dev);
3556
3557         if (priv->up == 1)
3558                 return -1;
3559
3560         return _rtl8192_up(dev);
3561 }
3562
3563
3564 static int rtl8192_close(struct net_device *dev)
3565 {
3566         struct r8192_priv *priv = ieee80211_priv(dev);
3567         int ret;
3568
3569         mutex_lock(&priv->wx_mutex);
3570
3571         ret = rtl8192_down(dev);
3572
3573         mutex_unlock(&priv->wx_mutex);
3574
3575         return ret;
3576 }
3577
3578 int rtl8192_down(struct net_device *dev)
3579 {
3580         struct r8192_priv *priv = ieee80211_priv(dev);
3581         int i;
3582
3583         if (priv->up == 0)
3584                 return -1;
3585
3586         priv->up = 0;
3587         priv->ieee80211->ieee_up = 0;
3588         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3589         /* FIXME */
3590         if (!netif_queue_stopped(dev))
3591                 netif_stop_queue(dev);
3592
3593         rtl8192_rtx_disable(dev);
3594
3595         /* Tx related queue release */
3596         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3597                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3598         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3599                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3600
3601         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3602                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3603
3604         /* as cancel_delayed_work will del work->timer, so if work is not
3605          * defined as struct delayed_work, it will corrupt
3606          */
3607         rtl8192_cancel_deferred_work(priv);
3608         deinit_hal_dm(dev);
3609         del_timer_sync(&priv->watch_dog_timer);
3610
3611
3612         ieee80211_softmac_stop_protocol(priv->ieee80211);
3613         memset(&priv->ieee80211->current_network, 0,
3614                offsetof(struct ieee80211_network, list));
3615         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3616
3617         return 0;
3618 }
3619
3620
3621 void rtl8192_commit(struct net_device *dev)
3622 {
3623         struct r8192_priv *priv = ieee80211_priv(dev);
3624         int reset_status = 0;
3625
3626         if (priv->up == 0)
3627                 return;
3628         priv->up = 0;
3629
3630         rtl8192_cancel_deferred_work(priv);
3631         del_timer_sync(&priv->watch_dog_timer);
3632
3633         ieee80211_softmac_stop_protocol(priv->ieee80211);
3634
3635         rtl8192_rtx_disable(dev);
3636         reset_status = _rtl8192_up(dev);
3637 }
3638
3639 static void rtl8192_restart(struct work_struct *work)
3640 {
3641         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3642                                                reset_wq);
3643         struct net_device *dev = priv->ieee80211->dev;
3644
3645         mutex_lock(&priv->wx_mutex);
3646
3647         rtl8192_commit(dev);
3648
3649         mutex_unlock(&priv->wx_mutex);
3650 }
3651
3652 static void r8192_set_multicast(struct net_device *dev)
3653 {
3654         struct r8192_priv *priv = ieee80211_priv(dev);
3655         short promisc;
3656
3657         /* FIXME FIXME */
3658
3659         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3660
3661         if (promisc != priv->promisc)
3662
3663                 priv->promisc = promisc;
3664 }
3665
3666
3667 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3668 {
3669         struct r8192_priv *priv = ieee80211_priv(dev);
3670         struct sockaddr *addr = mac;
3671
3672         mutex_lock(&priv->wx_mutex);
3673
3674         ether_addr_copy(dev->dev_addr, addr->sa_data);
3675
3676         schedule_work(&priv->reset_wq);
3677         mutex_unlock(&priv->wx_mutex);
3678
3679         return 0;
3680 }
3681
3682 /* based on ipw2200 driver */
3683 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3684 {
3685         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3686         struct iwreq *wrq = (struct iwreq *)rq;
3687         int ret = -1;
3688         struct ieee80211_device *ieee = priv->ieee80211;
3689         u32 key[4];
3690         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3691         struct iw_point *p = &wrq->u.data;
3692         struct ieee_param *ipw = NULL;
3693
3694         mutex_lock(&priv->wx_mutex);
3695
3696
3697         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3698                 ret = -EINVAL;
3699                 goto out;
3700         }
3701
3702         ipw = memdup_user(p->pointer, p->length);
3703         if (IS_ERR(ipw)) {
3704                 ret = PTR_ERR(ipw);
3705                 goto out;
3706         }
3707
3708         switch (cmd) {
3709         case RTL_IOCTL_WPA_SUPPLICANT:
3710                 /* parse here for HW security */
3711                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3712                         if (ipw->u.crypt.set_tx) {
3713                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3714                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3715                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3716                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3717                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3718                                         if (ipw->u.crypt.key_len == 13)
3719                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3720                                         else if (ipw->u.crypt.key_len == 5)
3721                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3722                                 } else {
3723                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3724                                 }
3725
3726                                 if (ieee->pairwise_key_type) {
3727                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3728                                         EnableHWSecurityConfig8192(dev);
3729                                         /* We fill both index entry and 4th
3730                                          * entry for pairwise key as in IPW
3731                                          * interface, adhoc will only get here,
3732                                          * so we need index entry for its
3733                                          * default key serching!
3734                                          */
3735                                         setKey(dev, 4, ipw->u.crypt.idx,
3736                                                ieee->pairwise_key_type,
3737                                                (u8 *)ieee->ap_mac_addr,
3738                                                0, key);
3739                                         if (ieee->auth_mode != 2)
3740                                                 setKey(dev, ipw->u.crypt.idx,
3741                                                        ipw->u.crypt.idx,
3742                                                        ieee->pairwise_key_type,
3743                                                        (u8 *)ieee->ap_mac_addr,
3744                                                        0, key);
3745                                 }
3746                         } else {
3747                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3748                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3749                                         ieee->group_key_type = KEY_TYPE_CCMP;
3750                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3751                                         ieee->group_key_type = KEY_TYPE_TKIP;
3752                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3753                                         if (ipw->u.crypt.key_len == 13)
3754                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3755                                         else if (ipw->u.crypt.key_len == 5)
3756                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3757                                 } else {
3758                                         ieee->group_key_type = KEY_TYPE_NA;
3759                                 }
3760
3761                                 if (ieee->group_key_type) {
3762                                         setKey(dev, ipw->u.crypt.idx,
3763                                                /* KeyIndex */
3764                                                ipw->u.crypt.idx,
3765                                                /* KeyType */
3766                                                ieee->group_key_type,
3767                                                /* MacAddr */
3768                                                broadcast_addr,
3769                                                /* DefaultKey */
3770                                                0,
3771                                                /* KeyContent */
3772                                                key);
3773                                 }
3774                         }
3775                 }
3776                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3777                                                      &wrq->u.data);
3778                 break;
3779
3780         default:
3781                 ret = -EOPNOTSUPP;
3782                 break;
3783         }
3784         kfree(ipw);
3785         ipw = NULL;
3786 out:
3787         mutex_unlock(&priv->wx_mutex);
3788         return ret;
3789 }
3790
3791 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3792 {
3793         u8  ret_rate = 0xff;
3794
3795         if (!bIsHT) {
3796                 switch (rate) {
3797                 case DESC90_RATE1M:
3798                         ret_rate = MGN_1M;
3799                         break;
3800                 case DESC90_RATE2M:
3801                         ret_rate = MGN_2M;
3802                         break;
3803                 case DESC90_RATE5_5M:
3804                         ret_rate = MGN_5_5M;
3805                         break;
3806                 case DESC90_RATE11M:
3807                         ret_rate = MGN_11M;
3808                         break;
3809                 case DESC90_RATE6M:
3810                         ret_rate = MGN_6M;
3811                         break;
3812                 case DESC90_RATE9M:
3813                         ret_rate = MGN_9M;
3814                         break;
3815                 case DESC90_RATE12M:
3816                         ret_rate = MGN_12M;
3817                         break;
3818                 case DESC90_RATE18M:
3819                         ret_rate = MGN_18M;
3820                         break;
3821                 case DESC90_RATE24M:
3822                         ret_rate = MGN_24M;
3823                         break;
3824                 case DESC90_RATE36M:
3825                         ret_rate = MGN_36M;
3826                         break;
3827                 case DESC90_RATE48M:
3828                         ret_rate = MGN_48M;
3829                         break;
3830                 case DESC90_RATE54M:
3831                         ret_rate = MGN_54M;
3832                         break;
3833
3834                 default:
3835                         ret_rate = 0xff;
3836                         RT_TRACE(COMP_RECV,
3837                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3838                                  __func__, rate, bIsHT);
3839                         break;
3840                 }
3841
3842         } else {
3843                 switch (rate) {
3844                 case DESC90_RATEMCS0:
3845                         ret_rate = MGN_MCS0;
3846                         break;
3847                 case DESC90_RATEMCS1:
3848                         ret_rate = MGN_MCS1;
3849                         break;
3850                 case DESC90_RATEMCS2:
3851                         ret_rate = MGN_MCS2;
3852                         break;
3853                 case DESC90_RATEMCS3:
3854                         ret_rate = MGN_MCS3;
3855                         break;
3856                 case DESC90_RATEMCS4:
3857                         ret_rate = MGN_MCS4;
3858                         break;
3859                 case DESC90_RATEMCS5:
3860                         ret_rate = MGN_MCS5;
3861                         break;
3862                 case DESC90_RATEMCS6:
3863                         ret_rate = MGN_MCS6;
3864                         break;
3865                 case DESC90_RATEMCS7:
3866                         ret_rate = MGN_MCS7;
3867                         break;
3868                 case DESC90_RATEMCS8:
3869                         ret_rate = MGN_MCS8;
3870                         break;
3871                 case DESC90_RATEMCS9:
3872                         ret_rate = MGN_MCS9;
3873                         break;
3874                 case DESC90_RATEMCS10:
3875                         ret_rate = MGN_MCS10;
3876                         break;
3877                 case DESC90_RATEMCS11:
3878                         ret_rate = MGN_MCS11;
3879                         break;
3880                 case DESC90_RATEMCS12:
3881                         ret_rate = MGN_MCS12;
3882                         break;
3883                 case DESC90_RATEMCS13:
3884                         ret_rate = MGN_MCS13;
3885                         break;
3886                 case DESC90_RATEMCS14:
3887                         ret_rate = MGN_MCS14;
3888                         break;
3889                 case DESC90_RATEMCS15:
3890                         ret_rate = MGN_MCS15;
3891                         break;
3892                 case DESC90_RATEMCS32:
3893                         ret_rate = 0x80 | 0x20;
3894                         break;
3895
3896                 default:
3897                         ret_rate = 0xff;
3898                         RT_TRACE(COMP_RECV,
3899                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3900                                  __func__, rate, bIsHT);
3901                         break;
3902                 }
3903         }
3904
3905         return ret_rate;
3906 }
3907
3908 /**
3909  * Function:     UpdateRxPktTimeStamp
3910  * Overview:     Record the TSF time stamp when receiving a packet
3911  *
3912  * Input:
3913  *       PADAPTER        Adapter
3914  *       PRT_RFD         pRfd,
3915  *
3916  * Output:
3917  *       PRT_RFD         pRfd
3918  *                               (pRfd->Status.TimeStampHigh is updated)
3919  *                               (pRfd->Status.TimeStampLow is updated)
3920  * Return:
3921  *               None
3922  */
3923 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3924                                      struct ieee80211_rx_stats *stats)
3925 {
3926         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3927
3928         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3929                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3930                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3931         } else {
3932                 priv->LastRxDescTSFLow = stats->mac_time[0];
3933                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3934         }
3935 }
3936
3937 /* 0-100 index. */
3938 static long rtl819x_translate_todbm(u8 signal_strength_index)
3939 {
3940         long    signal_power; /* in dBm. */
3941
3942         /* Translate to dBm (x=0.5y-95). */
3943         signal_power = (long)((signal_strength_index + 1) >> 1);
3944         signal_power -= 95;
3945
3946         return signal_power;
3947 }
3948
3949
3950 /* We can not declare RSSI/EVM total value of sliding window to
3951  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3952  * value will be kept in memory or disk. Declare the value in the adaptor
3953  * and it will be reinitialized when returned from S3/S4.
3954  */
3955 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3956                                     struct ieee80211_rx_stats *pprevious_stats,
3957                                     struct ieee80211_rx_stats *pcurrent_stats)
3958 {
3959         bool bcheck = false;
3960         u8      rfpath;
3961         u32     nspatial_stream, tmp_val;
3962         static u32 slide_rssi_index, slide_rssi_statistics;
3963         static u32 slide_evm_index, slide_evm_statistics;
3964         static u32 last_rssi, last_evm;
3965
3966         static u32 slide_beacon_adc_pwdb_index;
3967         static u32 slide_beacon_adc_pwdb_statistics;
3968         static u32 last_beacon_adc_pwdb;
3969
3970         struct rtl_80211_hdr_3addr *hdr;
3971         u16 sc;
3972         unsigned int frag, seq;
3973
3974         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3975         sc = le16_to_cpu(hdr->seq_ctl);
3976         frag = WLAN_GET_SEQ_FRAG(sc);
3977         seq = WLAN_GET_SEQ_SEQ(sc);
3978         /* to record the sequence number */
3979         pcurrent_stats->Seq_Num = seq;
3980
3981         /* Check whether we should take the previous packet into accounting */
3982         if (!pprevious_stats->bIsAMPDU) {
3983                 /* if previous packet is not aggregated packet */
3984                 bcheck = true;
3985         }
3986
3987         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3988                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3989                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3990                 priv->stats.slide_rssi_total -= last_rssi;
3991         }
3992         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3993
3994         priv->stats.slide_signal_strength[slide_rssi_index++] =
3995                 pprevious_stats->SignalStrength;
3996         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3997                 slide_rssi_index = 0;
3998
3999         /* <1> Showed on UI for user, in dbm */
4000         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4001         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4002         pcurrent_stats->rssi = priv->stats.signal_strength;
4003
4004         /* If the previous packet does not match the criteria, neglect it */
4005         if (!pprevious_stats->bPacketMatchBSSID) {
4006                 if (!pprevious_stats->bToSelfBA)
4007                         return;
4008         }
4009
4010         if (!bcheck)
4011                 return;
4012
4013
4014         /* only rtl8190 supported
4015          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4016          */
4017
4018         /* Check RSSI */
4019         priv->stats.num_process_phyinfo++;
4020
4021         /* record the general signal strength to the sliding window. */
4022
4023
4024         /* <2> Showed on UI for engineering
4025          * hardware does not provide rssi information for each rf path in CCK
4026          */
4027         if (!pprevious_stats->bIsCCK &&
4028             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4029                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4030                         if (!rtl8192_phy_CheckIsLegalRFPath(
4031                                         priv->ieee80211->dev, rfpath))
4032                                 continue;
4033
4034                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4035                                 priv->stats.rx_rssi_percentage[rfpath] =
4036                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4037                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4038                                 priv->stats.rx_rssi_percentage[rfpath] =
4039                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4040                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4041                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4042                         } else {
4043                                 priv->stats.rx_rssi_percentage[rfpath] =
4044                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4045                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4046                         }
4047                         RT_TRACE(COMP_DBG,
4048                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4049                                  priv->stats.rx_rssi_percentage[rfpath]);
4050                 }
4051         }
4052
4053
4054         /* Check PWDB. */
4055         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4056                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4057                  pprevious_stats->RxPWDBAll);
4058
4059         if (pprevious_stats->bPacketBeacon) {
4060                 /* record the beacon pwdb to the sliding window. */
4061                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4062                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4063                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4064                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4065                 }
4066                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4067                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4068                 slide_beacon_adc_pwdb_index++;
4069                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4070                         slide_beacon_adc_pwdb_index = 0;
4071                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4072                 if (pprevious_stats->RxPWDBAll >= 3)
4073                         pprevious_stats->RxPWDBAll -= 3;
4074         }
4075
4076         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4077                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4078                  pprevious_stats->RxPWDBAll);
4079
4080
4081         if (pprevious_stats->bPacketToSelf ||
4082             pprevious_stats->bPacketBeacon ||
4083             pprevious_stats->bToSelfBA) {
4084                 if (priv->undecorated_smoothed_pwdb < 0)
4085                         /* initialize */
4086                         priv->undecorated_smoothed_pwdb =
4087                                 pprevious_stats->RxPWDBAll;
4088                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4089                         priv->undecorated_smoothed_pwdb =
4090                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4091                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4092                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4093                 } else {
4094                         priv->undecorated_smoothed_pwdb =
4095                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4096                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4097                 }
4098         }
4099
4100         /* Check EVM */
4101         /* record the general EVM to the sliding window. */
4102         if (pprevious_stats->SignalQuality) {
4103                 if (pprevious_stats->bPacketToSelf ||
4104                     pprevious_stats->bPacketBeacon ||
4105                     pprevious_stats->bToSelfBA) {
4106                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4107                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4108                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4109                                 priv->stats.slide_evm_total -= last_evm;
4110                         }
4111
4112                         priv->stats.slide_evm_total +=
4113                                 pprevious_stats->SignalQuality;
4114
4115                         priv->stats.slide_evm[slide_evm_index++] =
4116                                 pprevious_stats->SignalQuality;
4117                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4118                                 slide_evm_index = 0;
4119
4120                         /* <1> Showed on UI for user, in percentage. */
4121                         tmp_val = priv->stats.slide_evm_total /
4122                                   slide_evm_statistics;
4123                         priv->stats.signal_quality = tmp_val;
4124                         /* Showed on UI for user in Windows Vista,
4125                          * for Link quality.
4126                          */
4127                         priv->stats.last_signal_strength_inpercent = tmp_val;
4128                 }
4129
4130                 /* <2> Showed on UI for engineering */
4131                 if (pprevious_stats->bPacketToSelf ||
4132                     pprevious_stats->bPacketBeacon ||
4133                     pprevious_stats->bToSelfBA) {
4134                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4135                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4136                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4137                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4138                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4139                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4140                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4141                                 }
4142                         }
4143                 }
4144         }
4145 }
4146
4147 /*-----------------------------------------------------------------------------
4148  * Function:    rtl819x_query_rxpwrpercentage()
4149  *
4150  * Overview:
4151  *
4152  * Input:               char            antpower
4153  *
4154  * Output:              NONE
4155  *
4156  * Return:              0-100 percentage
4157  *---------------------------------------------------------------------------
4158  */
4159 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4160 {
4161         if ((antpower <= -100) || (antpower >= 20))
4162                 return  0;
4163         else if (antpower >= 0)
4164                 return  100;
4165         else
4166                 return  100 + antpower;
4167
4168 }       /* QueryRxPwrPercentage */
4169
4170 static u8 rtl819x_evm_dbtopercentage(s8 value)
4171 {
4172         s8 ret_val;
4173
4174         ret_val = value;
4175
4176         if (ret_val >= 0)
4177                 ret_val = 0;
4178         if (ret_val <= -33)
4179                 ret_val = -33;
4180         ret_val = 0 - ret_val;
4181         ret_val *= 3;
4182         if (ret_val == 99)
4183                 ret_val = 100;
4184         return ret_val;
4185 }
4186
4187 /* We want good-looking for signal strength/quality */
4188 static long rtl819x_signal_scale_mapping(long currsig)
4189 {
4190         long retsig;
4191
4192         /* Step 1. Scale mapping. */
4193         if (currsig >= 61 && currsig <= 100)
4194                 retsig = 90 + ((currsig - 60) / 4);
4195         else if (currsig >= 41 && currsig <= 60)
4196                 retsig = 78 + ((currsig - 40) / 2);
4197         else if (currsig >= 31 && currsig <= 40)
4198                 retsig = 66 + (currsig - 30);
4199         else if (currsig >= 21 && currsig <= 30)
4200                 retsig = 54 + (currsig - 20);
4201         else if (currsig >= 5 && currsig <= 20)
4202                 retsig = 42 + (((currsig - 5) * 2) / 3);
4203         else if (currsig == 4)
4204                 retsig = 36;
4205         else if (currsig == 3)
4206                 retsig = 27;
4207         else if (currsig == 2)
4208                 retsig = 18;
4209         else if (currsig == 1)
4210                 retsig = 9;
4211         else
4212                 retsig = currsig;
4213
4214         return retsig;
4215 }
4216
4217 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4218 {
4219         if (pdrvinfo->RxHT)
4220                 return false;
4221
4222         switch (pdrvinfo->RxRate) {
4223         case DESC90_RATE1M:
4224         case DESC90_RATE2M:
4225         case DESC90_RATE5_5M:
4226         case DESC90_RATE11M:
4227                 return true;
4228         default:
4229                 return false;
4230         }
4231 }
4232
4233 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4234                                       struct ieee80211_rx_stats *pstats,
4235                                       rx_drvinfo_819x_usb  *pdrvinfo,
4236                                       struct ieee80211_rx_stats *precord_stats,
4237                                       bool bpacket_match_bssid,
4238                                       bool bpacket_toself,
4239                                       bool bPacketBeacon,
4240                                       bool bToSelfBA)
4241 {
4242         phy_sts_ofdm_819xusb_t *pofdm_buf;
4243         phy_sts_cck_819xusb_t   *pcck_buf;
4244         struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4245         u8      *prxpkt;
4246         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4247         s8      rx_pwr[4], rx_pwr_all = 0;
4248         s8      rx_snrX, rx_evmX;
4249         u8      evm, pwdb_all;
4250         u32     RSSI, total_rssi = 0;
4251         u8      is_cck_rate = 0;
4252         u8      rf_rx_num = 0;
4253         u8      sq;
4254
4255
4256         priv->stats.numqry_phystatus++;
4257
4258         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4259
4260         /* Record it for next packet processing */
4261         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4262         pstats->bPacketMatchBSSID =
4263                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4264         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4265         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4266         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4267         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4268
4269         prxpkt = (u8 *)pdrvinfo;
4270
4271         /* Move pointer to the 16th bytes. Phy status start address. */
4272         prxpkt += sizeof(rx_drvinfo_819x_usb);
4273
4274         /* Initial the cck and ofdm buffer pointer */
4275         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4276         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4277
4278         pstats->RxMIMOSignalQuality[0] = -1;
4279         pstats->RxMIMOSignalQuality[1] = -1;
4280         precord_stats->RxMIMOSignalQuality[0] = -1;
4281         precord_stats->RxMIMOSignalQuality[1] = -1;
4282
4283         if (is_cck_rate) {
4284                 /* (1)Hardware does not provide RSSI for CCK */
4285
4286                 /* (2)PWDB, Average PWDB calculated by hardware
4287                  * (for rate adaptive)
4288                  */
4289                 u8 report;
4290
4291                 priv->stats.numqry_phystatusCCK++;
4292
4293                 if (!priv->bCckHighPower) {
4294                         report = pcck_buf->cck_agc_rpt & 0xc0;
4295                         report >>= 6;
4296                         switch (report) {
4297                         case 0x3:
4298                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4299                                 break;
4300                         case 0x2:
4301                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4302                                 break;
4303                         case 0x1:
4304                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4305                                 break;
4306                         case 0x0:
4307                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4308                                 break;
4309                         }
4310                 } else {
4311                         report = pcck_buf->cck_agc_rpt & 0x60;
4312                         report >>= 5;
4313                         switch (report) {
4314                         case 0x3:
4315                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4316                                 break;
4317                         case 0x2:
4318                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4319                                 break;
4320                         case 0x1:
4321                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4322                                 break;
4323                         case 0x0:
4324                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4325                                 break;
4326                         }
4327                 }
4328
4329                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4330                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4331                 pstats->RecvSignalPower = pwdb_all;
4332
4333                 /* (3) Get Signal Quality (EVM) */
4334
4335                 if (pstats->RxPWDBAll > 40) {
4336                         sq = 100;
4337                 } else {
4338                         sq = pcck_buf->sq_rpt;
4339
4340                         if (pcck_buf->sq_rpt > 64)
4341                                 sq = 0;
4342                         else if (pcck_buf->sq_rpt < 20)
4343                                 sq = 100;
4344                         else
4345                                 sq = ((64 - sq) * 100) / 44;
4346                 }
4347                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4348                 pstats->RxMIMOSignalQuality[0] =
4349                         precord_stats->RxMIMOSignalQuality[0] = sq;
4350                 pstats->RxMIMOSignalQuality[1] =
4351                         precord_stats->RxMIMOSignalQuality[1] = -1;
4352
4353         } else {
4354                 priv->stats.numqry_phystatusHT++;
4355
4356                 /* (1)Get RSSI for HT rate */
4357                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4358                         /* We will judge RF RX path now. */
4359                         if (priv->brfpath_rxenable[i])
4360                                 rf_rx_num++;
4361                         else
4362                                 continue;
4363
4364                         if (!rtl8192_phy_CheckIsLegalRFPath(
4365                                         priv->ieee80211->dev, i))
4366                                 continue;
4367
4368                         rx_pwr[i] =
4369                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4370
4371                         /* Get Rx snr value in DB */
4372                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4373                         rx_snrX = (s8)(tmp_rxsnr);
4374                         rx_snrX /= 2;
4375                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4376
4377                         /* Translate DBM to percentage. */
4378                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4379                         total_rssi += RSSI;
4380
4381                         /* Record Signal Strength for next packet */
4382                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4383                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4384                 }
4385
4386
4387                 /* (2)PWDB, Average PWDB calculated by hardware
4388                  * (for rate adaptive)
4389                  */
4390                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4391                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4392
4393                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4394                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4395
4396                 /* (3)EVM of HT rate */
4397                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4398                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4399                         /* both spatial stream make sense */
4400                         max_spatial_stream = 2;
4401                 else
4402                         /* only spatial stream 1 makes sense */
4403                         max_spatial_stream = 1;
4404
4405                 for (i = 0; i < max_spatial_stream; i++) {
4406                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4407                         rx_evmX = (s8)(tmp_rxevm);
4408
4409                         /* Do not use shift operation like "rx_evmX >>= 1"
4410                          * because the compiler of free build environment will
4411                          * set the most significant bit to "zero" when doing
4412                          * shifting operation which may change a negative value
4413                          * to positive one, then the dbm value (which is
4414                          * supposed to be negative) is not correct anymore.
4415                          */
4416                         rx_evmX /= 2;   /* dbm */
4417
4418                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4419                         if (i == 0)
4420                                 /* Fill value in RFD, Get the first spatial
4421                                  * stream only
4422                                  */
4423                                 pstats->SignalQuality =
4424                                         precord_stats->SignalQuality =
4425                                         evm & 0xff;
4426                         pstats->RxMIMOSignalQuality[i] =
4427                                 precord_stats->RxMIMOSignalQuality[i] =
4428                                 evm & 0xff;
4429                 }
4430
4431
4432                 /* record rx statistics for debug */
4433                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4434                 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4435                         &rxsc_sgien_exflg;
4436                 if (pdrvinfo->BW)       /* 40M channel */
4437                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4438                 else                    /* 20M channel */
4439                         priv->stats.received_bwtype[0]++;
4440         }
4441
4442         /* UI BSS List signal strength(in percentage), make it good looking,
4443          * from 0~100. It is assigned to the BSS List in
4444          * GetValueFromBeaconOrProbeRsp().
4445          */
4446         if (is_cck_rate) {
4447                 pstats->SignalStrength =
4448                         precord_stats->SignalStrength =
4449                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4450         } else {
4451                 /* We can judge RX path number now. */
4452                 if (rf_rx_num != 0) {
4453                         pstats->SignalStrength =
4454                                 precord_stats->SignalStrength =
4455                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4456                 }
4457         }
4458 }       /* QueryRxPhyStatus8190Pci */
4459
4460 static void rtl8192_record_rxdesc_forlateruse(
4461                 struct ieee80211_rx_stats *psrc_stats,
4462                 struct ieee80211_rx_stats *ptarget_stats)
4463 {
4464         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4465         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4466         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4467 }
4468
4469
4470 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4471                                           struct ieee80211_rx_stats *pstats,
4472                                           rx_drvinfo_819x_usb  *pdrvinfo)
4473 {
4474         /* TODO: We must only check packet for current MAC address.
4475          * Not finish
4476          */
4477         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4478         struct net_device *dev = info->dev;
4479         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4480         bool bpacket_match_bssid, bpacket_toself;
4481         bool bPacketBeacon = false, bToSelfBA = false;
4482         static struct ieee80211_rx_stats  previous_stats;
4483         struct rtl_80211_hdr_3addr *hdr;
4484         u16 fc, type;
4485
4486         /* Get Signal Quality for only RX data queue (but not command queue) */
4487
4488         u8 *tmp_buf;
4489         u8  *praddr;
4490
4491         /* Get MAC frame start address. */
4492         tmp_buf = (u8 *)skb->data;
4493
4494         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4495         fc = le16_to_cpu(hdr->frame_ctl);
4496         type = WLAN_FC_GET_TYPE(fc);
4497         praddr = hdr->addr1;
4498
4499         /* Check if the received packet is acceptable. */
4500         bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4501                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4502                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4503         bpacket_toself =  bpacket_match_bssid &
4504                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4505
4506         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4507                 bPacketBeacon = true;
4508         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4509                 if ((eqMacAddr(praddr, dev->dev_addr)))
4510                         bToSelfBA = true;
4511         }
4512
4513
4514
4515         if (bpacket_match_bssid)
4516                 priv->stats.numpacket_matchbssid++;
4517         if (bpacket_toself)
4518                 priv->stats.numpacket_toself++;
4519         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4520          * Because phy information is contained in the last packet of AMPDU
4521          * only, so driver should process phy information of previous packet
4522          */
4523         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4524         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4525                                   bpacket_match_bssid, bpacket_toself,
4526                                   bPacketBeacon, bToSelfBA);
4527         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4528 }
4529
4530 /**
4531  * Function:    UpdateReceivedRateHistogramStatistics
4532  * Overview:    Record the received data rate
4533  *
4534  * Input:
4535  *      struct net_device *dev
4536  *      struct ieee80211_rx_stats *stats
4537  *
4538  * Output:
4539  *
4540  *                      (priv->stats.ReceivedRateHistogram[] is updated)
4541  * Return:
4542  *              None
4543  */
4544 static void
4545 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4546                                           struct ieee80211_rx_stats *stats)
4547 {
4548         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4549         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4550         u32 rcvType = 1;
4551         u32 rateIndex;
4552         /* 1: short preamble/GI, 0: long preamble/GI */
4553         u32 preamble_guardinterval;
4554
4555
4556         if (stats->bCRC)
4557                 rcvType = 2;
4558         else if (stats->bICV)
4559                 rcvType = 3;
4560
4561         if (stats->bShortPreamble)
4562                 preamble_guardinterval = 1; /* short */
4563         else
4564                 preamble_guardinterval = 0; /* long */
4565
4566         switch (stats->rate) {
4567         /* CCK rate */
4568         case MGN_1M:
4569                 rateIndex = 0;
4570                 break;
4571         case MGN_2M:
4572                 rateIndex = 1;
4573                 break;
4574         case MGN_5_5M:
4575                 rateIndex = 2;
4576                 break;
4577         case MGN_11M:
4578                 rateIndex = 3;
4579                 break;
4580         /* Legacy OFDM rate */
4581         case MGN_6M:
4582                 rateIndex = 4;
4583                 break;
4584         case MGN_9M:
4585                 rateIndex = 5;
4586                 break;
4587         case MGN_12M:
4588                 rateIndex = 6;
4589                 break;
4590         case MGN_18M:
4591                 rateIndex = 7;
4592                 break;
4593         case MGN_24M:
4594                 rateIndex = 8;
4595                 break;
4596         case MGN_36M:
4597                 rateIndex = 9;
4598                 break;
4599         case MGN_48M:
4600                 rateIndex = 10;
4601                 break;
4602         case MGN_54M:
4603                 rateIndex = 11;
4604                 break;
4605         /* 11n High throughput rate */
4606         case MGN_MCS0:
4607                 rateIndex = 12;
4608                 break;
4609         case MGN_MCS1:
4610                 rateIndex = 13;
4611                 break;
4612         case MGN_MCS2:
4613                 rateIndex = 14;
4614                 break;
4615         case MGN_MCS3:
4616                 rateIndex = 15;
4617                 break;
4618         case MGN_MCS4:
4619                 rateIndex = 16;
4620                 break;
4621         case MGN_MCS5:
4622                 rateIndex = 17;
4623                 break;
4624         case MGN_MCS6:
4625                 rateIndex = 18;
4626                 break;
4627         case MGN_MCS7:
4628                 rateIndex = 19;
4629                 break;
4630         case MGN_MCS8:
4631                 rateIndex = 20;
4632                 break;
4633         case MGN_MCS9:
4634                 rateIndex = 21;
4635                 break;
4636         case MGN_MCS10:
4637                 rateIndex = 22;
4638                 break;
4639         case MGN_MCS11:
4640                 rateIndex = 23;
4641                 break;
4642         case MGN_MCS12:
4643                 rateIndex = 24;
4644                 break;
4645         case MGN_MCS13:
4646                 rateIndex = 25;
4647                 break;
4648         case MGN_MCS14:
4649                 rateIndex = 26;
4650                 break;
4651         case MGN_MCS15:
4652                 rateIndex = 27;
4653                 break;
4654         default:
4655                 rateIndex = 28;
4656                 break;
4657         }
4658         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4659         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4660         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4661 }
4662
4663
4664 static void query_rxdesc_status(struct sk_buff *skb,
4665                                 struct ieee80211_rx_stats *stats,
4666                                 bool bIsRxAggrSubframe)
4667 {
4668         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4669         struct net_device *dev = info->dev;
4670         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4671         rx_drvinfo_819x_usb  *driver_info = NULL;
4672
4673         /* Get Rx Descriptor Information */
4674         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4675
4676         stats->Length = desc->Length;
4677         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4678         stats->RxBufShift = 0;
4679         stats->bICV = desc->ICV;
4680         stats->bCRC = desc->CRC32;
4681         stats->bHwError = stats->bCRC | stats->bICV;
4682         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4683         stats->Decrypted = !desc->SWDec;
4684
4685         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4686             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4687                 stats->bHwError = false;
4688         else
4689                 stats->bHwError = stats->bCRC | stats->bICV;
4690
4691         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4692                 stats->bHwError |= 1;
4693         /* Get Driver Info */
4694         /* TODO: Need to verify it on FGPA platform
4695          * Driver info are written to the RxBuffer following rx desc
4696          */
4697         if (stats->RxDrvInfoSize != 0) {
4698                 driver_info = (rx_drvinfo_819x_usb *)(
4699                                 skb->data
4700                                 + sizeof(rx_desc_819x_usb)
4701                                 + stats->RxBufShift
4702                               );
4703                 /* unit: 0.5M */
4704                 /* TODO */
4705                 if (!stats->bHwError) {
4706                         u8      ret_rate;
4707
4708                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4709                                                    driver_info->RxRate);
4710                         if (ret_rate == 0xff) {
4711                                 /* Abnormal Case: Receive CRC OK packet with Rx
4712                                  * descriptor indicating non supported rate.
4713                                  * Special Error Handling here
4714                                  */
4715
4716                                 stats->bHwError = 1;
4717                                 /* Set 1M rate by default */
4718                                 stats->rate = MGN_1M;
4719                         } else {
4720                                 stats->rate = ret_rate;
4721                         }
4722                 } else {
4723                         stats->rate = 0x02;
4724                 }
4725
4726                 stats->bShortPreamble = driver_info->SPLCP;
4727
4728
4729                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4730
4731                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4732                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4733                                     (driver_info->FirstAGGR == 1);
4734                 stats->TimeStampLow = driver_info->TSFL;
4735
4736                 UpdateRxPktTimeStamp8190(dev, stats);
4737
4738                 /* Rx A-MPDU */
4739                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4740                         RT_TRACE(COMP_RXDESC,
4741                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4742                                  driver_info->FirstAGGR, driver_info->PartAggr);
4743         }
4744
4745         skb_pull(skb, sizeof(rx_desc_819x_usb));
4746         /* Get Total offset of MPDU Frame Body */
4747         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4748                 stats->bShift = 1;
4749                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4750         }
4751
4752         if (driver_info) {
4753                 stats->RxIs40MHzPacket = driver_info->BW;
4754                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4755         }
4756 }
4757
4758 static void rtl8192_rx_nomal(struct sk_buff *skb)
4759 {
4760         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4761         struct net_device *dev = info->dev;
4762         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4763         struct ieee80211_rx_stats stats = {
4764                 .signal = 0,
4765                 .noise = 0x100 - 98,
4766                 .rate = 0,
4767                 .freq = IEEE80211_24GHZ_BAND,
4768         };
4769         u32 rx_pkt_len = 0;
4770         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4771         bool unicast_packet = false;
4772
4773         /* 20 is for ps-poll */
4774         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4775                 /* first packet should not contain Rx aggregation header */
4776                 query_rxdesc_status(skb, &stats, false);
4777                 /* TODO */
4778                 /* hardware related info */
4779                 /* Process the MPDU received */
4780                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4781
4782                 rx_pkt_len = skb->len;
4783                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4784                 unicast_packet = false;
4785                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4786                         /* TODO */
4787                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4788                         /* TODO */
4789                 } else {
4790                         /* unicast packet */
4791                         unicast_packet = true;
4792                 }
4793
4794                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4795                         dev_kfree_skb_any(skb);
4796                 } else {
4797                         priv->stats.rxoktotal++;
4798                         if (unicast_packet)
4799                                 priv->stats.rxbytesunicast += rx_pkt_len;
4800                 }
4801         } else {
4802                 priv->stats.rxurberr++;
4803                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4804                 dev_kfree_skb_any(skb);
4805         }
4806 }
4807
4808 static void rtl819xusb_process_received_packet(
4809                 struct net_device *dev,
4810                 struct ieee80211_rx_stats *pstats)
4811 {
4812         u8      *frame;
4813         u16     frame_len = 0;
4814         struct r8192_priv *priv = ieee80211_priv(dev);
4815
4816         /* Get shifted bytes of Starting address of 802.11 header. */
4817         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4818         frame = pstats->virtual_address;
4819         frame_len = pstats->packetlength;
4820 #ifdef TODO     /* about HCT */
4821         if (!Adapter->bInHctTest)
4822                 CountRxErrStatistics(Adapter, pRfd);
4823 #endif
4824 #ifdef ENABLE_PS  /* for adding ps function in future */
4825         RT_RF_POWER_STATE rtState;
4826         /* When RF is off, we should not count the packet for hw/sw synchronize
4827          * reason, ie. there may be a duration while sw switch is changed and
4828          * hw switch is being changed.
4829          */
4830         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4831                                          (u8 *)(&rtState));
4832         if (rtState == eRfOff)
4833                 return;
4834 #endif
4835         priv->stats.rxframgment++;
4836
4837 #ifdef TODO
4838         RmMonitorSignalStrength(Adapter, pRfd);
4839 #endif
4840         /* We have to release RFD and return if rx pkt is cmd pkt. */
4841         if (rtl819xusb_rx_command_packet(dev, pstats))
4842                 return;
4843
4844 #ifdef SW_CRC_CHECK
4845         SwCrcCheck();
4846 #endif
4847
4848
4849 }
4850
4851 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4852                                         struct ieee80211_rx_stats *stats)
4853 {
4854         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4855
4856         /* Get Rx Descriptor Information */
4857         stats->virtual_address = (u8 *)skb->data;
4858         stats->Length = desc->Length;
4859         stats->RxDrvInfoSize = 0;
4860         stats->RxBufShift = 0;
4861         stats->packetlength = stats->Length - scrclng;
4862         stats->fraglength = stats->packetlength;
4863         stats->fragoffset = 0;
4864         stats->ntotalfrag = 1;
4865 }
4866
4867
4868 static void rtl8192_rx_cmd(struct sk_buff *skb)
4869 {
4870         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4871         struct net_device *dev = info->dev;
4872         /* TODO */
4873         struct ieee80211_rx_stats stats = {
4874                 .signal = 0,
4875                 .noise = 0x100 - 98,
4876                 .rate = 0,
4877                 .freq = IEEE80211_24GHZ_BAND,
4878         };
4879
4880         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4881                 query_rx_cmdpkt_desc_status(skb, &stats);
4882                 /* prfd->queue_id = 1; */
4883
4884                 /* Process the command packet received. */
4885
4886                 rtl819xusb_process_received_packet(dev, &stats);
4887
4888                 dev_kfree_skb_any(skb);
4889         }
4890 }
4891
4892 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4893 {
4894         struct sk_buff *skb;
4895         struct rtl8192_rx_info *info;
4896
4897         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4898                 info = (struct rtl8192_rx_info *)skb->cb;
4899                 switch (info->out_pipe) {
4900                 /* Nomal packet pipe */
4901                 case 3:
4902                         priv->IrpPendingCount--;
4903                         rtl8192_rx_nomal(skb);
4904                         break;
4905
4906                 /* Command packet pipe */
4907                 case 9:
4908                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4909                                  info->out_pipe);
4910
4911                         rtl8192_rx_cmd(skb);
4912                         break;
4913
4914                 default: /* should never get here! */
4915                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4916                                  info->out_pipe);
4917                         dev_kfree_skb(skb);
4918                         break;
4919                 }
4920         }
4921 }
4922
4923 static const struct net_device_ops rtl8192_netdev_ops = {
4924         .ndo_open               = rtl8192_open,
4925         .ndo_stop               = rtl8192_close,
4926         .ndo_get_stats          = rtl8192_stats,
4927         .ndo_tx_timeout         = tx_timeout,
4928         .ndo_do_ioctl           = rtl8192_ioctl,
4929         .ndo_set_rx_mode        = r8192_set_multicast,
4930         .ndo_set_mac_address    = r8192_set_mac_adr,
4931         .ndo_validate_addr      = eth_validate_addr,
4932         .ndo_start_xmit         = ieee80211_xmit,
4933 };
4934
4935
4936 /****************************************************************************
4937  *    ---------------------------- USB_STUFF---------------------------
4938  *****************************************************************************/
4939
4940 static int rtl8192_usb_probe(struct usb_interface *intf,
4941                              const struct usb_device_id *id)
4942 {
4943         struct net_device *dev = NULL;
4944         struct r8192_priv *priv = NULL;
4945         struct usb_device *udev = interface_to_usbdev(intf);
4946         int ret;
4947
4948         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4949
4950         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4951         if (!dev)
4952                 return -ENOMEM;
4953
4954         usb_set_intfdata(intf, dev);
4955         SET_NETDEV_DEV(dev, &intf->dev);
4956         priv = ieee80211_priv(dev);
4957         priv->ieee80211 = netdev_priv(dev);
4958         priv->udev = udev;
4959
4960         dev->netdev_ops = &rtl8192_netdev_ops;
4961
4962         dev->wireless_handlers = &r8192_wx_handlers_def;
4963
4964         dev->type = ARPHRD_ETHER;
4965
4966         dev->watchdog_timeo = HZ * 3;
4967
4968         if (dev_alloc_name(dev, ifname) < 0) {
4969                 RT_TRACE(COMP_INIT,
4970                          "Oops: devname already taken! Trying wlan%%d...\n");
4971                 ifname = "wlan%d";
4972                 dev_alloc_name(dev, ifname);
4973         }
4974
4975         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4976         if (rtl8192_init(dev) != 0) {
4977                 RT_TRACE(COMP_ERR, "Initialization failed");
4978                 ret = -ENODEV;
4979                 goto fail;
4980         }
4981         netif_carrier_off(dev);
4982         netif_stop_queue(dev);
4983
4984         ret = register_netdev(dev);
4985         if (ret)
4986                 goto fail2;
4987
4988         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4989         rtl8192_proc_init_one(dev);
4990
4991
4992         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4993         return 0;
4994
4995 fail2:
4996         rtl8192_down(dev);
4997         kfree(priv->pFirmware);
4998         priv->pFirmware = NULL;
4999         rtl8192_usb_deleteendpoints(dev);
5000         mdelay(10);
5001 fail:
5002         free_ieee80211(dev);
5003
5004         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5005         return ret;
5006 }
5007
5008 /* detach all the work and timer structure declared or inititialize
5009  * in r8192U_init function.
5010  */
5011 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5012 {
5013         cancel_work_sync(&priv->reset_wq);
5014         cancel_delayed_work(&priv->watch_dog_wq);
5015         cancel_delayed_work(&priv->update_beacon_wq);
5016         cancel_work_sync(&priv->qos_activate);
5017 }
5018
5019
5020 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5021 {
5022         struct net_device *dev = usb_get_intfdata(intf);
5023         struct r8192_priv *priv = ieee80211_priv(dev);
5024
5025         if (dev) {
5026                 unregister_netdev(dev);
5027
5028                 RT_TRACE(COMP_DOWN,
5029                          "=============>wlan driver to be removed\n");
5030                 rtl8192_proc_remove_one(dev);
5031
5032                 rtl8192_down(dev);
5033                 kfree(priv->pFirmware);
5034                 priv->pFirmware = NULL;
5035                 rtl8192_usb_deleteendpoints(dev);
5036                 mdelay(10);
5037         }
5038         free_ieee80211(dev);
5039         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5040 }
5041
5042 static int __init rtl8192_usb_module_init(void)
5043 {
5044         int ret;
5045
5046 #ifdef CONFIG_IEEE80211_DEBUG
5047         ret = ieee80211_debug_init();
5048         if (ret) {
5049                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5050                 return ret;
5051         }
5052 #endif
5053         ret = ieee80211_crypto_init();
5054         if (ret) {
5055                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5056                 return ret;
5057         }
5058
5059         ret = ieee80211_crypto_tkip_init();
5060         if (ret) {
5061                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5062                 return ret;
5063         }
5064
5065         ret = ieee80211_crypto_ccmp_init();
5066         if (ret) {
5067                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5068                 return ret;
5069         }
5070
5071         ret = ieee80211_crypto_wep_init();
5072         if (ret) {
5073                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5074                 return ret;
5075         }
5076
5077         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5078         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5079         RT_TRACE(COMP_INIT, "Initializing module");
5080         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5081         rtl8192_proc_module_init();
5082         return usb_register(&rtl8192_usb_driver);
5083 }
5084
5085
5086 static void __exit rtl8192_usb_module_exit(void)
5087 {
5088         usb_deregister(&rtl8192_usb_driver);
5089
5090         RT_TRACE(COMP_DOWN, "Exiting");
5091 }
5092
5093 void EnableHWSecurityConfig8192(struct net_device *dev)
5094 {
5095         u8 SECR_value = 0x0;
5096         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5097         struct ieee80211_device *ieee = priv->ieee80211;
5098
5099         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5100         if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5101                 SECR_value |= SCR_RxUseDK;
5102                 SECR_value |= SCR_TxUseDK;
5103         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5104                 SECR_value |= SCR_RxUseDK;
5105                 SECR_value |= SCR_TxUseDK;
5106         }
5107         /* add HWSec active enable here.
5108          * default using hwsec. when peer AP is in N mode only and
5109          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5110          * it), use software security. when peer AP is in b,g,n mode mixed and
5111          * pairwise_key_type is none_aes, use g mode hw security.
5112          */
5113
5114         ieee->hwsec_active = 1;
5115
5116         /* add hwsec_support flag to totol control hw_sec on/off */
5117         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5118                 ieee->hwsec_active = 0;
5119                 SECR_value &= ~SCR_RxDecEnable;
5120         }
5121         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5122                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5123                  SECR_value);
5124         write_nic_byte(dev, SECR,  SECR_value);
5125 }
5126
5127
5128 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5129             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5130 {
5131         u32 TargetCommand = 0;
5132         u32 TargetContent = 0;
5133         u16 usConfig = 0;
5134         u8 i;
5135
5136         if (EntryNo >= TOTAL_CAM_ENTRY)
5137                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5138
5139         RT_TRACE(COMP_SEC,
5140                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5141                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5142
5143         if (DefaultKey)
5144                 usConfig |= BIT(15) | (KeyType << 2);
5145         else
5146                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5147
5148
5149         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5150                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5151                 TargetCommand |= BIT(31) | BIT(16);
5152
5153                 if (i == 0) { /* MAC|Config */
5154                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5155                                         (u32)(*(MacAddr + 1)) << 24 |
5156                                         (u32)usConfig;
5157
5158                         write_nic_dword(dev, WCAMI, TargetContent);
5159                         write_nic_dword(dev, RWCAM, TargetCommand);
5160                 } else if (i == 1) { /* MAC */
5161                         TargetContent = (u32)(*(MacAddr + 2))    |
5162                                         (u32)(*(MacAddr + 3)) <<  8 |
5163                                         (u32)(*(MacAddr + 4)) << 16 |
5164                                         (u32)(*(MacAddr + 5)) << 24;
5165                         write_nic_dword(dev, WCAMI, TargetContent);
5166                         write_nic_dword(dev, RWCAM, TargetCommand);
5167                 } else {
5168                         /* Key Material */
5169                         if (KeyContent) {
5170                                 write_nic_dword(dev, WCAMI,
5171                                                 *(KeyContent + i - 2));
5172                                 write_nic_dword(dev, RWCAM, TargetCommand);
5173                         }
5174                 }
5175         }
5176 }
5177
5178 /***************************************************************************
5179  *    ------------------- module init / exit stubs ----------------
5180  ****************************************************************************/
5181 module_init(rtl8192_usb_module_init);
5182 module_exit(rtl8192_usb_module_exit);