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, 500);
 270         kfree(usbdata);
 271
 272         if (status < 0){
 273                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
 274                            status);
 275                 return status;
 276         }
 277         return 0;
 278 }
 279
 280 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 281 {
 282         int status;
 283         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 284         struct usb_device *udev = priv->udev;
 285         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 286
 287         if (!usbdata)
 288                 return -ENOMEM;
 289
 290         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 291                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 292                                  indx | 0xfe00, 0, usbdata, 1, 500);
 293         *data = *usbdata;
 294         kfree(usbdata);
 295
 296         if (status < 0) {
 297                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 298                 return status;
 299         }
 300
 301         return 0;
 302 }
 303
 304 /* as 92U has extend page from 4 to 16, so modify functions below. */
 305 int write_nic_byte(struct net_device *dev, int indx, u8 data)
 306 {
 307         int status;
 308
 309         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 310         struct usb_device *udev = priv->udev;
 311         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 312
 313         if (!usbdata)
 314                 return -ENOMEM;
 315         *usbdata = data;
 316
 317         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 318                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 319                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 320                                  usbdata, 1, 500);
 321         kfree(usbdata);
 322
 323         if (status < 0) {
 324                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
 325                 return status;
 326         }
 327
 328         return 0;
 329 }
 330
 331
 332 int write_nic_word(struct net_device *dev, int indx, u16 data)
 333 {
 334         int status;
 335
 336         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 337         struct usb_device *udev = priv->udev;
 338         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 339
 340         if (!usbdata)
 341                 return -ENOMEM;
 342         *usbdata = data;
 343
 344         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 345                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 346                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 347                                  usbdata, 2, 500);
 348         kfree(usbdata);
 349
 350         if (status < 0) {
 351                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
 352                 return status;
 353         }
 354
 355         return 0;
 356 }
 357
 358
 359 int write_nic_dword(struct net_device *dev, int indx, u32 data)
 360 {
 361         int status;
 362
 363         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 364         struct usb_device *udev = priv->udev;
 365         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 366
 367         if (!usbdata)
 368                 return -ENOMEM;
 369         *usbdata = data;
 370
 371         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 372                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 373                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 374                                  usbdata, 4, 500);
 375         kfree(usbdata);
 376
 377
 378         if (status < 0) {
 379                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
 380                            status);
 381                 return status;
 382         }
 383
 384         return 0;
 385 }
 386
 387
 388
 389 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 390 {
 391         int status;
 392         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 393         struct usb_device *udev = priv->udev;
 394         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 395
 396         if (!usbdata)
 397                 return -ENOMEM;
 398
 399         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 400                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 401                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 402                                  usbdata, 1, 500);
 403         *data = *usbdata;
 404         kfree(usbdata);
 405
 406         if (status < 0) {
 407                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 408                 return status;
 409         }
 410
 411         return 0;
 412 }
 413
 414
 415
 416 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 417 {
 418         int status;
 419         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 420         struct usb_device *udev = priv->udev;
 421         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 422
 423         if (!usbdata)
 424                 return -ENOMEM;
 425
 426         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 427                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 428                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 429                                  usbdata, 2, 500);
 430         *data = *usbdata;
 431         kfree(usbdata);
 432
 433         if (status < 0) {
 434                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 435                 return status;
 436         }
 437
 438         return 0;
 439 }
 440
 441 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 442 {
 443         int status;
 444         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 445         struct usb_device *udev = priv->udev;
 446         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 447
 448         if (!usbdata)
 449                 return -ENOMEM;
 450
 451         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 452                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 453                                  indx | 0xfe00, 0, usbdata, 2, 500);
 454         *data = *usbdata;
 455         kfree(usbdata);
 456
 457         if (status < 0) {
 458                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 459                 return status;
 460         }
 461
 462         return 0;
 463 }
 464
 465 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 466 {
 467         int status;
 468
 469         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 470         struct usb_device *udev = priv->udev;
 471         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 472
 473         if (!usbdata)
 474                 return -ENOMEM;
 475
 476         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 477                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 478                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 479                                  usbdata, 4, 500);
 480         *data = *usbdata;
 481         kfree(usbdata);
 482
 483         if (status < 0) {
 484                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 485                 return status;
 486         }
 487
 488         return 0;
 489 }
 490
 491 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 492 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 493 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 494  * plans are to possibility turn it again in one common code...
 495  */
 496 inline void force_pci_posting(struct net_device *dev)
 497 {
 498 }
 499
 500 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 501 static void rtl8192_restart(struct work_struct *work);
 502 static void watch_dog_timer_callback(unsigned long data);
 503
 504 /****************************************************************************
 505  *   -----------------------------PROCFS STUFF-------------------------
 506 *****************************************************************************
 507  */
 508
 509 static struct proc_dir_entry *rtl8192_proc;
 510
 511 static int proc_get_stats_ap(struct seq_file *m, void *v)
 512 {
 513         struct net_device *dev = m->private;
 514         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 515         struct ieee80211_device *ieee = priv->ieee80211;
 516         struct ieee80211_network *target;
 517
 518         list_for_each_entry(target, &ieee->network_list, list) {
 519                 const char *wpa = "non_WPA";
 520
 521                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 522                         wpa = "WPA";
 523
 524                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 525         }
 526
 527         return 0;
 528 }
 529
 530 static int proc_get_registers(struct seq_file *m, void *v)
 531 {
 532         struct net_device *dev = m->private;
 533         int i, n, max = 0xff;
 534         u8 byte_rd;
 535
 536         seq_puts(m, "\n####################page 0##################\n ");
 537
 538         for (n = 0; n <= max;) {
 539                 seq_printf(m, "\nD:  %2x > ", n);
 540
 541                 for (i = 0; i < 16 && n <= max; i++, n++) {
 542                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 543                         seq_printf(m, "%2x ", byte_rd);
 544                 }
 545         }
 546
 547         seq_puts(m, "\n####################page 1##################\n ");
 548         for (n = 0; n <= max;) {
 549                 seq_printf(m, "\nD:  %2x > ", n);
 550
 551                 for (i = 0; i < 16 && n <= max; i++, n++) {
 552                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 553                         seq_printf(m, "%2x ", byte_rd);
 554                 }
 555         }
 556
 557         seq_puts(m, "\n####################page 3##################\n ");
 558         for (n = 0; n <= max;) {
 559                 seq_printf(m, "\nD:  %2x > ", n);
 560
 561                 for (i = 0; i < 16 && n <= max; i++, n++) {
 562                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 563                         seq_printf(m, "%2x ", byte_rd);
 564                 }
 565         }
 566
 567         seq_putc(m, '\n');
 568         return 0;
 569 }
 570
 571 static int proc_get_stats_tx(struct seq_file *m, void *v)
 572 {
 573         struct net_device *dev = m->private;
 574         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 575
 576         seq_printf(m,
 577                    "TX VI priority ok int: %lu\n"
 578                    "TX VI priority error int: %lu\n"
 579                    "TX VO priority ok int: %lu\n"
 580                    "TX VO priority error int: %lu\n"
 581                    "TX BE priority ok int: %lu\n"
 582                    "TX BE priority error int: %lu\n"
 583                    "TX BK priority ok int: %lu\n"
 584                    "TX BK priority error int: %lu\n"
 585                    "TX MANAGE priority ok int: %lu\n"
 586                    "TX MANAGE priority error int: %lu\n"
 587                    "TX BEACON priority ok int: %lu\n"
 588                    "TX BEACON priority error int: %lu\n"
 589                    "TX queue resume: %lu\n"
 590                    "TX queue stopped?: %d\n"
 591                    "TX fifo overflow: %lu\n"
 592                    "TX VI queue: %d\n"
 593                    "TX VO queue: %d\n"
 594                    "TX BE queue: %d\n"
 595                    "TX BK queue: %d\n"
 596                    "TX VI dropped: %lu\n"
 597                    "TX VO dropped: %lu\n"
 598                    "TX BE dropped: %lu\n"
 599                    "TX BK dropped: %lu\n"
 600                    "TX total data packets %lu\n",
 601                    priv->stats.txviokint,
 602                    priv->stats.txvierr,
 603                    priv->stats.txvookint,
 604                    priv->stats.txvoerr,
 605                    priv->stats.txbeokint,
 606                    priv->stats.txbeerr,
 607                    priv->stats.txbkokint,
 608                    priv->stats.txbkerr,
 609                    priv->stats.txmanageokint,
 610                    priv->stats.txmanageerr,
 611                    priv->stats.txbeaconokint,
 612                    priv->stats.txbeaconerr,
 613                    priv->stats.txresumed,
 614                    netif_queue_stopped(dev),
 615                    priv->stats.txoverflow,
 616                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 617                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 618                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 619                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 620                    priv->stats.txvidrop,
 621                    priv->stats.txvodrop,
 622                    priv->stats.txbedrop,
 623                    priv->stats.txbkdrop,
 624                    priv->stats.txdatapkt
 625                 );
 626
 627         return 0;
 628 }
 629
 630 static int proc_get_stats_rx(struct seq_file *m, void *v)
 631 {
 632         struct net_device *dev = m->private;
 633         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 634
 635         seq_printf(m,
 636                    "RX packets: %lu\n"
 637                    "RX urb status error: %lu\n"
 638                    "RX invalid urb error: %lu\n",
 639                    priv->stats.rxoktotal,
 640                    priv->stats.rxstaterr,
 641                    priv->stats.rxurberr);
 642
 643         return 0;
 644 }
 645
 646 static void rtl8192_proc_module_init(void)
 647 {
 648         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 649         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 650 }
 651
 652 /*
 653  * seq_file wrappers for procfile show routines.
 654  */
 655 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 656 {
 657         struct net_device *dev = proc_get_parent_data(inode);
 658         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 659
 660         return single_open(file, show, dev);
 661 }
 662
 663 static const struct file_operations rtl8192_proc_fops = {
 664         .open           = rtl8192_proc_open,
 665         .read           = seq_read,
 666         .llseek         = seq_lseek,
 667         .release        = single_release,
 668 };
 669
 670 /*
 671  * Table of proc files we need to create.
 672  */
 673 struct rtl8192_proc_file {
 674         char name[12];
 675         int (*show)(struct seq_file *, void *);
 676 };
 677
 678 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 679         { "stats-rx",   &proc_get_stats_rx },
 680         { "stats-tx",   &proc_get_stats_tx },
 681         { "stats-ap",   &proc_get_stats_ap },
 682         { "registers",  &proc_get_registers },
 683         { "" }
 684 };
 685
 686 static void rtl8192_proc_init_one(struct net_device *dev)
 687 {
 688         const struct rtl8192_proc_file *f;
 689         struct proc_dir_entry *dir;
 690
 691         if (rtl8192_proc) {
 692                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 693                 if (!dir) {
 694                         RT_TRACE(COMP_ERR,
 695                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 696                                  dev->name);
 697                         return;
 698                 }
 699
 700                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 701                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 702                                               &rtl8192_proc_fops, f->show)) {
 703                                 RT_TRACE(COMP_ERR,
 704                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 705                                          dev->name, f->name);
 706                                 return;
 707                         }
 708                 }
 709         }
 710 }
 711
 712 static void rtl8192_proc_remove_one(struct net_device *dev)
 713 {
 714         remove_proc_subtree(dev->name, rtl8192_proc);
 715 }
 716
 717 /****************************************************************************
 718    -----------------------------MISC STUFF-------------------------
 719 *****************************************************************************/
 720
 721 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 722 {
 723         struct r8192_priv *priv = ieee80211_priv(dev);
 724         int used = atomic_read(&priv->tx_pending[queue_index]);
 725
 726         return (used < MAX_TX_URB);
 727 }
 728
 729 static void tx_timeout(struct net_device *dev)
 730 {
 731         struct r8192_priv *priv = ieee80211_priv(dev);
 732
 733         schedule_work(&priv->reset_wq);
 734 }
 735
 736 void rtl8192_update_msr(struct net_device *dev)
 737 {
 738         struct r8192_priv *priv = ieee80211_priv(dev);
 739         u8 msr;
 740
 741         read_nic_byte(dev, MSR, &msr);
 742         msr &= ~MSR_LINK_MASK;
 743
 744         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 745          * msr must be updated if the state is ASSOCIATING.
 746          * this is intentional and make sense for ad-hoc and
 747          * master (see the create BSS/IBSS func)
 748          */
 749         if (priv->ieee80211->state == IEEE80211_LINKED) {
 750                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 751                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 752                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 753                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 754                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 755                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 756
 757         } else {
 758                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 759         }
 760
 761         write_nic_byte(dev, MSR, msr);
 762 }
 763
 764 void rtl8192_set_chan(struct net_device *dev, short ch)
 765 {
 766         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 767
 768         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 769         priv->chan = ch;
 770
 771         /* this hack should avoid frame TX during channel setting*/
 772
 773         /* need to implement rf set channel here */
 774
 775         if (priv->rf_set_chan)
 776                 priv->rf_set_chan(dev, priv->chan);
 777         mdelay(10);
 778 }
 779
 780 static void rtl8192_rx_isr(struct urb *urb);
 781
 782 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 783 {
 784         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 785                 + pstats->RxBufShift);
 786 }
 787
 788 static int rtl8192_rx_initiate(struct net_device *dev)
 789 {
 790         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 791         struct urb *entry;
 792         struct sk_buff *skb;
 793         struct rtl8192_rx_info *info;
 794
 795         /* nomal packet rx procedure */
 796         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 797                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 798                 if (!skb)
 799                         break;
 800                 entry = usb_alloc_urb(0, GFP_KERNEL);
 801                 if (!entry) {
 802                         kfree_skb(skb);
 803                         break;
 804                 }
 805                 usb_fill_bulk_urb(entry, priv->udev,
 806                                   usb_rcvbulkpipe(priv->udev, 3),
 807                                   skb_tail_pointer(skb),
 808                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 809                 info = (struct rtl8192_rx_info *)skb->cb;
 810                 info->urb = entry;
 811                 info->dev = dev;
 812                 info->out_pipe = 3; /* denote rx normal packet queue */
 813                 skb_queue_tail(&priv->rx_queue, skb);
 814                 usb_submit_urb(entry, GFP_KERNEL);
 815         }
 816
 817         /* command packet rx procedure */
 818         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 819                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 820                 if (!skb)
 821                         break;
 822                 entry = usb_alloc_urb(0, GFP_KERNEL);
 823                 if (!entry) {
 824                         kfree_skb(skb);
 825                         break;
 826                 }
 827                 usb_fill_bulk_urb(entry, priv->udev,
 828                                   usb_rcvbulkpipe(priv->udev, 9),
 829                                   skb_tail_pointer(skb),
 830                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 831                 info = (struct rtl8192_rx_info *)skb->cb;
 832                 info->urb = entry;
 833                 info->dev = dev;
 834                 info->out_pipe = 9; /* denote rx cmd packet queue */
 835                 skb_queue_tail(&priv->rx_queue, skb);
 836                 usb_submit_urb(entry, GFP_KERNEL);
 837         }
 838
 839         return 0;
 840 }
 841
 842 void rtl8192_set_rxconf(struct net_device *dev)
 843 {
 844         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 845         u32 rxconf;
 846
 847         read_nic_dword(dev, RCR, &rxconf);
 848         rxconf = rxconf & ~MAC_FILTER_MASK;
 849         rxconf = rxconf | RCR_AMF;
 850         rxconf = rxconf | RCR_ADF;
 851         rxconf = rxconf | RCR_AB;
 852         rxconf = rxconf | RCR_AM;
 853
 854         if (dev->flags & IFF_PROMISC)
 855                 DMESG("NIC in promisc mode");
 856
 857         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 858             dev->flags & IFF_PROMISC) {
 859                 rxconf = rxconf | RCR_AAP;
 860         } else {
 861                 rxconf = rxconf | RCR_APM;
 862                 rxconf = rxconf | RCR_CBSSID;
 863         }
 864
 865
 866         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 867                 rxconf = rxconf | RCR_AICV;
 868                 rxconf = rxconf | RCR_APWRMGT;
 869         }
 870
 871         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 872                 rxconf = rxconf | RCR_ACRC32;
 873
 874
 875         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 876         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 877         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 878         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 879
 880         rxconf = rxconf | RCR_ONLYERLPKT;
 881
 882         write_nic_dword(dev, RCR, rxconf);
 883 }
 884
 885 /* wait to be removed */
 886 void rtl8192_rx_enable(struct net_device *dev)
 887 {
 888         rtl8192_rx_initiate(dev);
 889 }
 890
 891
 892 void rtl8192_tx_enable(struct net_device *dev)
 893 {
 894 }
 895
 896
 897
 898 void rtl8192_rtx_disable(struct net_device *dev)
 899 {
 900         u8 cmd;
 901         struct r8192_priv *priv = ieee80211_priv(dev);
 902         struct sk_buff *skb;
 903         struct rtl8192_rx_info *info;
 904
 905         read_nic_byte(dev, CMDR, &cmd);
 906         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 907         force_pci_posting(dev);
 908         mdelay(10);
 909
 910         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 911                 info = (struct rtl8192_rx_info *)skb->cb;
 912                 if (!info->urb)
 913                         continue;
 914
 915                 usb_kill_urb(info->urb);
 916                 kfree_skb(skb);
 917         }
 918
 919         if (skb_queue_len(&priv->skb_queue))
 920                 netdev_warn(dev, "skb_queue not empty\n");
 921
 922         skb_queue_purge(&priv->skb_queue);
 923 }
 924
 925 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 926 static void rtl8192_rx_isr(struct urb *urb)
 927 {
 928         struct sk_buff *skb = (struct sk_buff *)urb->context;
 929         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 930         struct net_device *dev = info->dev;
 931         struct r8192_priv *priv = ieee80211_priv(dev);
 932         int out_pipe = info->out_pipe;
 933         int err;
 934
 935         if (!priv->up)
 936                 return;
 937
 938         if (unlikely(urb->status)) {
 939                 info->urb = NULL;
 940                 priv->stats.rxstaterr++;
 941                 priv->ieee80211->stats.rx_errors++;
 942                 usb_free_urb(urb);
 943                 return;
 944         }
 945         skb_unlink(skb, &priv->rx_queue);
 946         skb_put(skb, urb->actual_length);
 947
 948         skb_queue_tail(&priv->skb_queue, skb);
 949         tasklet_schedule(&priv->irq_rx_tasklet);
 950
 951         skb = dev_alloc_skb(RX_URB_SIZE);
 952         if (unlikely(!skb)) {
 953                 usb_free_urb(urb);
 954                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 955                 /* TODO check rx queue length and refill *somewhere* */
 956                 return;
 957         }
 958
 959         usb_fill_bulk_urb(urb, priv->udev,
 960                           usb_rcvbulkpipe(priv->udev, out_pipe),
 961                           skb_tail_pointer(skb),
 962                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 963
 964         info = (struct rtl8192_rx_info *)skb->cb;
 965         info->urb = urb;
 966         info->dev = dev;
 967         info->out_pipe = out_pipe;
 968
 969         urb->transfer_buffer = skb_tail_pointer(skb);
 970         urb->context = skb;
 971         skb_queue_tail(&priv->rx_queue, skb);
 972         err = usb_submit_urb(urb, GFP_ATOMIC);
 973         if (err && err != EPERM)
 974                 netdev_err(dev,
 975                            "can not submit rxurb, err is %x, URB status is %x\n",
 976                            err, urb->status);
 977 }
 978
 979 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 980                                         struct ieee80211_rx_stats *pstats)
 981 {
 982         u32     status;
 983
 984         status = cmpk_message_handle_rx(dev, pstats);
 985         if (status)
 986                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 987
 988         return status;
 989 }
 990
 991
 992 static void rtl8192_data_hard_stop(struct net_device *dev)
 993 {
 994         /* FIXME !! */
 995 }
 996
 997
 998 static void rtl8192_data_hard_resume(struct net_device *dev)
 999 {
1000         /* FIXME !! */
1001 }
1002
1003 /* this function TX data frames when the ieee80211 stack requires this.
1004  * It checks also if we need to stop the ieee tx queue, eventually do it
1005  */
1006 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1007                                    int rate)
1008 {
1009         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1010         int ret;
1011         unsigned long flags;
1012         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1013         u8 queue_index = tcb_desc->queue_index;
1014
1015         /* shall not be referred by command packet */
1016         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1017
1018         spin_lock_irqsave(&priv->tx_lock, flags);
1019
1020         *(struct net_device **)(skb->cb) = dev;
1021         tcb_desc->bTxEnableFwCalcDur = 1;
1022         skb_push(skb, priv->ieee80211->tx_headroom);
1023         ret = rtl8192_tx(dev, skb);
1024
1025         spin_unlock_irqrestore(&priv->tx_lock, flags);
1026 }
1027
1028 /* This is a rough attempt to TX a frame
1029  * This is called by the ieee 80211 stack to TX management frames.
1030  * If the ring is full packet are dropped (for data frame the queue
1031  * is stopped before this can happen).
1032  */
1033 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1034 {
1035         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1036         int ret;
1037         unsigned long flags;
1038         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1039         u8 queue_index = tcb_desc->queue_index;
1040
1041
1042         spin_lock_irqsave(&priv->tx_lock, flags);
1043
1044         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1045         if (queue_index == TXCMD_QUEUE) {
1046                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1047                 rtl819xU_tx_cmd(dev, skb);
1048                 ret = 1;
1049         } else {
1050                 skb_push(skb, priv->ieee80211->tx_headroom);
1051                 ret = rtl8192_tx(dev, skb);
1052         }
1053
1054         spin_unlock_irqrestore(&priv->tx_lock, flags);
1055
1056         return ret;
1057 }
1058
1059 static void rtl8192_tx_isr(struct urb *tx_urb)
1060 {
1061         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1062         struct net_device *dev;
1063         struct r8192_priv *priv = NULL;
1064         cb_desc *tcb_desc;
1065         u8  queue_index;
1066
1067         if (!skb)
1068                 return;
1069
1070         dev = *(struct net_device **)(skb->cb);
1071         tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1072         queue_index = tcb_desc->queue_index;
1073
1074         priv = ieee80211_priv(dev);
1075
1076         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1077                 if (tx_urb->status == 0) {
1078                         netif_trans_update(dev);
1079                         priv->stats.txoktotal++;
1080                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1081                         priv->stats.txbytesunicast +=
1082                                 (skb->len - priv->ieee80211->tx_headroom);
1083                 } else {
1084                         priv->ieee80211->stats.tx_errors++;
1085                         /* TODO */
1086                 }
1087         }
1088
1089         /* free skb and tx_urb */
1090         dev_kfree_skb_any(skb);
1091         usb_free_urb(tx_urb);
1092         atomic_dec(&priv->tx_pending[queue_index]);
1093
1094         /*
1095          * Handle HW Beacon:
1096          * We had transfer our beacon frame to host controller at this moment.
1097          *
1098          *
1099          * Caution:
1100          * Handling the wait queue of command packets.
1101          * For Tx command packets, we must not do TCB fragment because it is
1102          * not handled right now. We must cut the packets to match the size of
1103          * TX_CMD_PKT before we send it.
1104          */
1105
1106         /* Handle MPDU in wait queue. */
1107         if (queue_index != BEACON_QUEUE) {
1108                 /* Don't send data frame during scanning.*/
1109                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1110                     (!(priv->ieee80211->queue_stop))) {
1111                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1112                         if (skb)
1113                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1114                                                                          dev);
1115
1116                         return; /* avoid further processing AMSDU */
1117                 }
1118         }
1119 }
1120
1121 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1122 {
1123         struct r8192_priv *priv = ieee80211_priv(dev);
1124         struct ieee80211_network *net;
1125         u8 i = 0, basic_rate = 0;
1126
1127         net = &priv->ieee80211->current_network;
1128
1129         for (i = 0; i < net->rates_len; i++) {
1130                 basic_rate = net->rates[i] & 0x7f;
1131                 switch (basic_rate) {
1132                 case MGN_1M:
1133                         *rate_config |= RRSR_1M;
1134                         break;
1135                 case MGN_2M:
1136                         *rate_config |= RRSR_2M;
1137                         break;
1138                 case MGN_5_5M:
1139                         *rate_config |= RRSR_5_5M;
1140                         break;
1141                 case MGN_11M:
1142                         *rate_config |= RRSR_11M;
1143                         break;
1144                 case MGN_6M:
1145                         *rate_config |= RRSR_6M;
1146                         break;
1147                 case MGN_9M:
1148                         *rate_config |= RRSR_9M;
1149                         break;
1150                 case MGN_12M:
1151                         *rate_config |= RRSR_12M;
1152                         break;
1153                 case MGN_18M:
1154                         *rate_config |= RRSR_18M;
1155                         break;
1156                 case MGN_24M:
1157                         *rate_config |= RRSR_24M;
1158                         break;
1159                 case MGN_36M:
1160                         *rate_config |= RRSR_36M;
1161                         break;
1162                 case MGN_48M:
1163                         *rate_config |= RRSR_48M;
1164                         break;
1165                 case MGN_54M:
1166                         *rate_config |= RRSR_54M;
1167                         break;
1168                 }
1169         }
1170         for (i = 0; i < net->rates_ex_len; i++) {
1171                 basic_rate = net->rates_ex[i] & 0x7f;
1172                 switch (basic_rate) {
1173                 case MGN_1M:
1174                         *rate_config |= RRSR_1M;
1175                         break;
1176                 case MGN_2M:
1177                         *rate_config |= RRSR_2M;
1178                         break;
1179                 case MGN_5_5M:
1180                         *rate_config |= RRSR_5_5M;
1181                         break;
1182                 case MGN_11M:
1183                         *rate_config |= RRSR_11M;
1184                         break;
1185                 case MGN_6M:
1186                         *rate_config |= RRSR_6M;
1187                         break;
1188                 case MGN_9M:
1189                         *rate_config |= RRSR_9M;
1190                         break;
1191                 case MGN_12M:
1192                         *rate_config |= RRSR_12M;
1193                         break;
1194                 case MGN_18M:
1195                         *rate_config |= RRSR_18M;
1196                         break;
1197                 case MGN_24M:
1198                         *rate_config |= RRSR_24M;
1199                         break;
1200                 case MGN_36M:
1201                         *rate_config |= RRSR_36M;
1202                         break;
1203                 case MGN_48M:
1204                         *rate_config |= RRSR_48M;
1205                         break;
1206                 case MGN_54M:
1207                         *rate_config |= RRSR_54M;
1208                         break;
1209                 }
1210         }
1211 }
1212
1213
1214 #define SHORT_SLOT_TIME 9
1215 #define NON_SHORT_SLOT_TIME 20
1216
1217 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1218 {
1219         u32 tmp = 0;
1220         struct r8192_priv *priv = ieee80211_priv(dev);
1221         struct ieee80211_network *net = &priv->ieee80211->current_network;
1222
1223         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1224         tmp = priv->basic_rate;
1225         if (priv->short_preamble)
1226                 tmp |= BRSR_AckShortPmb;
1227         write_nic_dword(dev, RRSR, tmp);
1228
1229         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1230                 u8 slot_time = 0;
1231
1232                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1233                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1234                         /* short slot time */
1235                         slot_time = SHORT_SLOT_TIME;
1236                 else    /* long slot time */
1237                         slot_time = NON_SHORT_SLOT_TIME;
1238                 priv->slot_time = slot_time;
1239                 write_nic_byte(dev, SLOT_TIME, slot_time);
1240         }
1241 }
1242
1243 static void rtl8192_net_update(struct net_device *dev)
1244 {
1245         struct r8192_priv *priv = ieee80211_priv(dev);
1246         struct ieee80211_network *net;
1247         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1248         u16 rate_config = 0;
1249
1250         net = &priv->ieee80211->current_network;
1251
1252         rtl8192_config_rate(dev, &rate_config);
1253         priv->basic_rate = rate_config & 0x15f;
1254
1255         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1256         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1257
1258         rtl8192_update_msr(dev);
1259         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1260                 write_nic_word(dev, ATIMWND, 2);
1261                 write_nic_word(dev, BCN_DMATIME, 1023);
1262                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1263                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1264                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1265                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1266                 /* TODO: BcnIFS may required to be changed on ASIC */
1267                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1268
1269                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1270         }
1271 }
1272
1273 /* temporary hw beacon is not used any more.
1274  * open it when necessary
1275  */
1276 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1277 {
1278
1279 }
1280
1281 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1282 {
1283         struct r8192_priv *priv = ieee80211_priv(dev);
1284         int                     status;
1285         struct urb              *tx_urb;
1286         unsigned int            idx_pipe;
1287         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1288         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1289         u8 queue_index = tcb_desc->queue_index;
1290
1291         atomic_inc(&priv->tx_pending[queue_index]);
1292         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1293         if (!tx_urb) {
1294                 dev_kfree_skb(skb);
1295                 return -ENOMEM;
1296         }
1297
1298         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1299         /* Tx descriptor ought to be set according to the skb->cb */
1300         pdesc->FirstSeg = 1;
1301         pdesc->LastSeg = 1;
1302         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1303         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1304         pdesc->OWN = 1;
1305         pdesc->LINIP = tcb_desc->bLastIniPkt;
1306
1307         /*---------------------------------------------------------------------
1308          * Fill up USB_OUT_CONTEXT.
1309          *---------------------------------------------------------------------
1310          */
1311         idx_pipe = 0x04;
1312         usb_fill_bulk_urb(tx_urb, priv->udev,
1313                           usb_sndbulkpipe(priv->udev, idx_pipe),
1314                           skb->data, skb->len, rtl8192_tx_isr, skb);
1315
1316         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1317
1318         if (!status)
1319                 return 0;
1320
1321         DMESGE("Error TX CMD URB, error %d", status);
1322         return -1;
1323 }
1324
1325 /*
1326  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1327  * in TxFwInfo data structure
1328  * 2006.10.30 by Emily
1329  *
1330  * \param QUEUEID       Software Queue
1331 */
1332 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1333 {
1334         u8 QueueSelect = 0x0;       /* default set to */
1335
1336         switch (QueueID) {
1337         case BE_QUEUE:
1338                 QueueSelect = QSLT_BE;
1339                 break;
1340
1341         case BK_QUEUE:
1342                 QueueSelect = QSLT_BK;
1343                 break;
1344
1345         case VO_QUEUE:
1346                 QueueSelect = QSLT_VO;
1347                 break;
1348
1349         case VI_QUEUE:
1350                 QueueSelect = QSLT_VI;
1351                 break;
1352         case MGNT_QUEUE:
1353                 QueueSelect = QSLT_MGNT;
1354                 break;
1355
1356         case BEACON_QUEUE:
1357                 QueueSelect = QSLT_BEACON;
1358                 break;
1359
1360                 /* TODO: mark other queue selection until we verify it is OK */
1361                 /* TODO: Remove Assertions */
1362         case TXCMD_QUEUE:
1363                 QueueSelect = QSLT_CMD;
1364                 break;
1365         case HIGH_QUEUE:
1366                 QueueSelect = QSLT_HIGH;
1367                 break;
1368
1369         default:
1370                 RT_TRACE(COMP_ERR,
1371                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1372                          QueueID);
1373                 break;
1374         }
1375         return QueueSelect;
1376 }
1377
1378 static u8 MRateToHwRate8190Pci(u8 rate)
1379 {
1380         u8  ret = DESC90_RATE1M;
1381
1382         switch (rate) {
1383         case MGN_1M:
1384                 ret = DESC90_RATE1M;
1385                 break;
1386         case MGN_2M:
1387                 ret = DESC90_RATE2M;
1388                 break;
1389         case MGN_5_5M:
1390                 ret = DESC90_RATE5_5M;
1391                 break;
1392         case MGN_11M:
1393                 ret = DESC90_RATE11M;
1394                 break;
1395         case MGN_6M:
1396                 ret = DESC90_RATE6M;
1397                 break;
1398         case MGN_9M:
1399                 ret = DESC90_RATE9M;
1400                 break;
1401         case MGN_12M:
1402                 ret = DESC90_RATE12M;
1403                 break;
1404         case MGN_18M:
1405                 ret = DESC90_RATE18M;
1406                 break;
1407         case MGN_24M:
1408                 ret = DESC90_RATE24M;
1409                 break;
1410         case MGN_36M:
1411                 ret = DESC90_RATE36M;
1412                 break;
1413         case MGN_48M:
1414                 ret = DESC90_RATE48M;
1415                 break;
1416         case MGN_54M:
1417                 ret = DESC90_RATE54M;
1418                 break;
1419
1420         /* HT rate since here */
1421         case MGN_MCS0:
1422                 ret = DESC90_RATEMCS0;
1423                 break;
1424         case MGN_MCS1:
1425                 ret = DESC90_RATEMCS1;
1426                 break;
1427         case MGN_MCS2:
1428                 ret = DESC90_RATEMCS2;
1429                 break;
1430         case MGN_MCS3:
1431                 ret = DESC90_RATEMCS3;
1432                 break;
1433         case MGN_MCS4:
1434                 ret = DESC90_RATEMCS4;
1435                 break;
1436         case MGN_MCS5:
1437                 ret = DESC90_RATEMCS5;
1438                 break;
1439         case MGN_MCS6:
1440                 ret = DESC90_RATEMCS6;
1441                 break;
1442         case MGN_MCS7:
1443                 ret = DESC90_RATEMCS7;
1444                 break;
1445         case MGN_MCS8:
1446                 ret = DESC90_RATEMCS8;
1447                 break;
1448         case MGN_MCS9:
1449                 ret = DESC90_RATEMCS9;
1450                 break;
1451         case MGN_MCS10:
1452                 ret = DESC90_RATEMCS10;
1453                 break;
1454         case MGN_MCS11:
1455                 ret = DESC90_RATEMCS11;
1456                 break;
1457         case MGN_MCS12:
1458                 ret = DESC90_RATEMCS12;
1459                 break;
1460         case MGN_MCS13:
1461                 ret = DESC90_RATEMCS13;
1462                 break;
1463         case MGN_MCS14:
1464                 ret = DESC90_RATEMCS14;
1465                 break;
1466         case MGN_MCS15:
1467                 ret = DESC90_RATEMCS15;
1468                 break;
1469         case (0x80 | 0x20):
1470                 ret = DESC90_RATEMCS32;
1471                 break;
1472
1473         default:
1474                 break;
1475         }
1476         return ret;
1477 }
1478
1479
1480 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1481 {
1482         u8   tmp_Short;
1483
1484         tmp_Short = (TxHT == 1) ?
1485                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1486                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1487
1488         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1489                 tmp_Short = 0;
1490
1491         return tmp_Short;
1492 }
1493
1494 static void tx_zero_isr(struct urb *tx_urb)
1495 {
1496 }
1497
1498 /*
1499  * The tx procedure is just as following,
1500  * skb->cb will contain all the following information,
1501  * priority, morefrag, rate, &dev.
1502  * */
1503 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1504 {
1505         struct r8192_priv *priv = ieee80211_priv(dev);
1506         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1507         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1508         tx_fwinfo_819x_usb *tx_fwinfo =
1509                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1510         struct usb_device *udev = priv->udev;
1511         int pend;
1512         int status, rt = -1;
1513         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1514         unsigned int idx_pipe;
1515
1516         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1517         /* we are locked here so the two atomic_read and inc are executed
1518          * without interleaves
1519          * !!! For debug purpose
1520          */
1521         if (pend > MAX_TX_URB) {
1522                 netdev_dbg(dev, "To discard skb packet!\n");
1523                 dev_kfree_skb_any(skb);
1524                 return -1;
1525         }
1526
1527         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1528         if (!tx_urb) {
1529                 dev_kfree_skb_any(skb);
1530                 return -ENOMEM;
1531         }
1532
1533         /* Fill Tx firmware info */
1534         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1535         /* DWORD 0 */
1536         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1537         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1538         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1539         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1540                                         tcb_desc);
1541         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1542                 tx_fwinfo->AllowAggregation = 1;
1543                 /* DWORD 1 */
1544                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1545                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1546         } else {
1547                 tx_fwinfo->AllowAggregation = 0;
1548                 /* DWORD 1 */
1549                 tx_fwinfo->RxMF = 0;
1550                 tx_fwinfo->RxAMD = 0;
1551         }
1552
1553         /* Protection mode related */
1554         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1555         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1556         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1557         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1558         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1559         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1560         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1561         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1562                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1563
1564         /* Set Bandwidth and sub-channel settings. */
1565         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1566                 if (tcb_desc->bPacketBW) {
1567                         tx_fwinfo->TxBandwidth = 1;
1568                         /* use duplicated mode */
1569                         tx_fwinfo->TxSubCarrier = 0;
1570                 } else {
1571                         tx_fwinfo->TxBandwidth = 0;
1572                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1573                 }
1574         } else {
1575                 tx_fwinfo->TxBandwidth = 0;
1576                 tx_fwinfo->TxSubCarrier = 0;
1577         }
1578
1579         /* Fill Tx descriptor */
1580         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1581         /* DWORD 0 */
1582         tx_desc->LINIP = 0;
1583         tx_desc->CmdInit = 1;
1584         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1585         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1586
1587         /*DWORD 1*/
1588         tx_desc->SecCAMID = 0;
1589         tx_desc->RATid = tcb_desc->RATRIndex;
1590         tx_desc->NoEnc = 1;
1591         tx_desc->SecType = 0x0;
1592         if (tcb_desc->bHwSec) {
1593                 switch (priv->ieee80211->pairwise_key_type) {
1594                 case KEY_TYPE_WEP40:
1595                 case KEY_TYPE_WEP104:
1596                         tx_desc->SecType = 0x1;
1597                         tx_desc->NoEnc = 0;
1598                         break;
1599                 case KEY_TYPE_TKIP:
1600                         tx_desc->SecType = 0x2;
1601                         tx_desc->NoEnc = 0;
1602                         break;
1603                 case KEY_TYPE_CCMP:
1604                         tx_desc->SecType = 0x3;
1605                         tx_desc->NoEnc = 0;
1606                         break;
1607                 case KEY_TYPE_NA:
1608                         tx_desc->SecType = 0x0;
1609                         tx_desc->NoEnc = 1;
1610                         break;
1611                 }
1612         }
1613
1614         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1615         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1616
1617         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1618         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1619
1620         /* Fill fields that are required to be initialized in
1621          * all of the descriptors
1622          */
1623         /* DWORD 0 */
1624         tx_desc->FirstSeg = 1;
1625         tx_desc->LastSeg = 1;
1626         tx_desc->OWN = 1;
1627
1628         /* DWORD 2 */
1629         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1630         idx_pipe = 0x5;
1631
1632         /* To submit bulk urb */
1633         usb_fill_bulk_urb(tx_urb, udev,
1634                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1635                           skb->len, rtl8192_tx_isr, skb);
1636
1637         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1638         if (!status) {
1639                 /* We need to send 0 byte packet whenever
1640                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1641                  * been transmitted. Otherwise, it will be halt to wait for
1642                  * another packet.
1643                  */
1644                 bool bSend0Byte = false;
1645                 u8 zero = 0;
1646
1647                 if (udev->speed == USB_SPEED_HIGH) {
1648                         if (skb->len > 0 && skb->len % 512 == 0)
1649                                 bSend0Byte = true;
1650                 } else {
1651                         if (skb->len > 0 && skb->len % 64 == 0)
1652                                 bSend0Byte = true;
1653                 }
1654                 if (bSend0Byte) {
1655                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1656                         if (!tx_urb_zero) {
1657                                 rt = -ENOMEM;
1658                                 goto error;
1659                         }
1660                         usb_fill_bulk_urb(tx_urb_zero, udev,
1661                                           usb_sndbulkpipe(udev, idx_pipe),
1662                                           &zero, 0, tx_zero_isr, dev);
1663                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1664                         if (status) {
1665                                 RT_TRACE(COMP_ERR,
1666                                          "Error TX URB for zero byte %d, error %d",
1667                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1668                                          status);
1669                                 goto error;
1670                         }
1671                 }
1672                 netif_trans_update(dev);
1673                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1674                 return 0;
1675         }
1676
1677         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1678                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1679                  status);
1680
1681 error:
1682         dev_kfree_skb_any(skb);
1683         usb_free_urb(tx_urb);
1684         usb_free_urb(tx_urb_zero);
1685         return rt;
1686 }
1687
1688 static short rtl8192_usb_initendpoints(struct net_device *dev)
1689 {
1690         struct r8192_priv *priv = ieee80211_priv(dev);
1691
1692         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1693                                GFP_KERNEL);
1694         if (!priv->rx_urb)
1695                 return -ENOMEM;
1696
1697 #ifndef JACKSON_NEW_RX
1698         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1699                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1700
1701                 priv->rx_urb[i]->transfer_buffer =
1702                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1703
1704                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1705         }
1706 #endif
1707
1708 #ifdef THOMAS_BEACON
1709         {
1710                 long align = 0;
1711                 void *oldaddr, *newaddr;
1712
1713                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1714                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1715                 if (!priv->oldaddr)
1716                         return -ENOMEM;
1717                 oldaddr = priv->oldaddr;
1718                 align = ((long)oldaddr) & 3;
1719                 if (align) {
1720                         newaddr = oldaddr + 4 - align;
1721                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1722                 } else {
1723                         newaddr = oldaddr;
1724                         priv->rx_urb[16]->transfer_buffer_length = 16;
1725                 }
1726                 priv->rx_urb[16]->transfer_buffer = newaddr;
1727         }
1728 #endif
1729
1730         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1731         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1732                                  GFP_KERNEL);
1733         if (!priv->pp_rxskb) {
1734                 kfree(priv->rx_urb);
1735
1736                 priv->pp_rxskb = NULL;
1737                 priv->rx_urb = NULL;
1738
1739                 DMESGE("Endpoint Alloc Failure");
1740                 return -ENOMEM;
1741         }
1742
1743         netdev_dbg(dev, "End of initendpoints\n");
1744         return 0;
1745 }
1746
1747 #ifdef THOMAS_BEACON
1748 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1749 {
1750         int i;
1751         struct r8192_priv *priv = ieee80211_priv(dev);
1752
1753         if (priv->rx_urb) {
1754                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1755                         usb_kill_urb(priv->rx_urb[i]);
1756                         usb_free_urb(priv->rx_urb[i]);
1757                 }
1758                 kfree(priv->rx_urb);
1759                 priv->rx_urb = NULL;
1760         }
1761         kfree(priv->oldaddr);
1762         priv->oldaddr = NULL;
1763
1764         kfree(priv->pp_rxskb);
1765         priv->pp_rxskb = NULL;
1766 }
1767 #else
1768 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1769 {
1770         int i;
1771         struct r8192_priv *priv = ieee80211_priv(dev);
1772
1773 #ifndef JACKSON_NEW_RX
1774
1775         if (priv->rx_urb) {
1776                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1777                         usb_kill_urb(priv->rx_urb[i]);
1778                         kfree(priv->rx_urb[i]->transfer_buffer);
1779                         usb_free_urb(priv->rx_urb[i]);
1780                 }
1781                 kfree(priv->rx_urb);
1782                 priv->rx_urb = NULL;
1783         }
1784 #else
1785         kfree(priv->rx_urb);
1786         priv->rx_urb = NULL;
1787         kfree(priv->oldaddr);
1788         priv->oldaddr = NULL;
1789
1790         kfree(priv->pp_rxskb);
1791         priv->pp_rxskb = 0;
1792
1793 #endif
1794 }
1795 #endif
1796
1797 static void rtl8192_update_ratr_table(struct net_device *dev);
1798 static void rtl8192_link_change(struct net_device *dev)
1799 {
1800         struct r8192_priv *priv = ieee80211_priv(dev);
1801         struct ieee80211_device *ieee = priv->ieee80211;
1802
1803         if (ieee->state == IEEE80211_LINKED) {
1804                 rtl8192_net_update(dev);
1805                 rtl8192_update_ratr_table(dev);
1806                 /* Add this as in pure N mode, wep encryption will use software
1807                  * way, but there is no chance to set this as wep will not set
1808                  * group key in wext.
1809                  */
1810                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1811                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1812                         EnableHWSecurityConfig8192(dev);
1813         }
1814         /*update timing params*/
1815         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1816                 u32 reg = 0;
1817
1818                 read_nic_dword(dev, RCR, &reg);
1819                 if (priv->ieee80211->state == IEEE80211_LINKED)
1820                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1821                 else
1822                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1823                 write_nic_dword(dev, RCR, reg);
1824         }
1825 }
1826
1827 static struct ieee80211_qos_parameters def_qos_parameters = {
1828         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1829         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1830         {2, 2, 2, 2},/* aifs */
1831         {0, 0, 0, 0},/* flags */
1832         {0, 0, 0, 0} /* tx_op_limit */
1833 };
1834
1835
1836 static void rtl8192_update_beacon(struct work_struct *work)
1837 {
1838         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1839                                                update_beacon_wq.work);
1840         struct net_device *dev = priv->ieee80211->dev;
1841         struct ieee80211_device *ieee = priv->ieee80211;
1842         struct ieee80211_network *net = &ieee->current_network;
1843
1844         if (ieee->pHTInfo->bCurrentHTSupport)
1845                 HTUpdateSelfAndPeerSetting(ieee, net);
1846         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1847                 net->bssht.bdRT2RTLongSlotTime;
1848         rtl8192_update_cap(dev, net->capability);
1849 }
1850
1851 /*
1852 * background support to run QoS activate functionality
1853 */
1854 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1855                              EDCAPARA_VI, EDCAPARA_VO};
1856 static void rtl8192_qos_activate(struct work_struct *work)
1857 {
1858         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1859                                                qos_activate);
1860         struct net_device *dev = priv->ieee80211->dev;
1861         struct ieee80211_qos_parameters *qos_parameters =
1862                 &priv->ieee80211->current_network.qos_data.parameters;
1863         u8 mode = priv->ieee80211->current_network.mode;
1864         u32  u1bAIFS;
1865         u32 u4bAcParam;
1866         u32 op_limit;
1867         u32 cw_max;
1868         u32 cw_min;
1869         int i;
1870
1871         mutex_lock(&priv->mutex);
1872         if (priv->ieee80211->state != IEEE80211_LINKED)
1873                 goto success;
1874         RT_TRACE(COMP_QOS,
1875                  "qos active process with associate response received\n");
1876         /* It better set slot time at first
1877          *
1878          * For we just support b/g mode at present, let the slot time at
1879          * 9/20 selection
1880          *
1881          * update the ac parameter to related registers
1882          */
1883         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1884                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1885                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1886                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1887                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1888                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1889                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1890                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1891                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1892                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1893                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1894                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1895         }
1896
1897 success:
1898         mutex_unlock(&priv->mutex);
1899 }
1900
1901 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1902                                              int active_network,
1903                                              struct ieee80211_network *network)
1904 {
1905         int ret = 0;
1906         u32 size = sizeof(struct ieee80211_qos_parameters);
1907
1908         if (priv->ieee80211->state != IEEE80211_LINKED)
1909                 return ret;
1910
1911         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1912                 return ret;
1913
1914         if (network->flags & NETWORK_HAS_QOS_MASK) {
1915                 if (active_network &&
1916                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1917                         network->qos_data.active = network->qos_data.supported;
1918
1919                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1920                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1921                     (network->qos_data.old_param_count !=
1922                      network->qos_data.param_count)) {
1923                         network->qos_data.old_param_count =
1924                                 network->qos_data.param_count;
1925                         schedule_work(&priv->qos_activate);
1926                         RT_TRACE(COMP_QOS,
1927                                  "QoS parameters change call qos_activate\n");
1928                 }
1929         } else {
1930                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1931                        &def_qos_parameters, size);
1932
1933                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1934                         schedule_work(&priv->qos_activate);
1935                         RT_TRACE(COMP_QOS,
1936                                  "QoS was disabled call qos_activate\n");
1937                 }
1938                 network->qos_data.active = 0;
1939                 network->qos_data.supported = 0;
1940         }
1941
1942         return 0;
1943 }
1944
1945 /* handle and manage frame from beacon and probe response */
1946 static int rtl8192_handle_beacon(struct net_device *dev,
1947                                  struct ieee80211_beacon *beacon,
1948                                  struct ieee80211_network *network)
1949 {
1950         struct r8192_priv *priv = ieee80211_priv(dev);
1951
1952         rtl8192_qos_handle_probe_response(priv, 1, network);
1953         schedule_delayed_work(&priv->update_beacon_wq, 0);
1954         return 0;
1955 }
1956
1957 /*
1958 * handling the beaconing responses. if we get different QoS setting
1959 * off the network from the associated setting, adjust the QoS
1960 * setting
1961 */
1962 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1963                                         struct ieee80211_network *network)
1964 {
1965         unsigned long flags;
1966         u32 size = sizeof(struct ieee80211_qos_parameters);
1967         int set_qos_param = 0;
1968
1969         if (!priv || !network)
1970                 return 0;
1971
1972         if (priv->ieee80211->state != IEEE80211_LINKED)
1973                 return 0;
1974
1975         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1976                 return 0;
1977
1978         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1979         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1980                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1981                        &network->qos_data.parameters,
1982                        sizeof(struct ieee80211_qos_parameters));
1983                 priv->ieee80211->current_network.qos_data.active = 1;
1984                 set_qos_param = 1;
1985                 /* update qos parameter for current network */
1986                 priv->ieee80211->current_network.qos_data.old_param_count =
1987                         priv->ieee80211->current_network.qos_data.param_count;
1988                 priv->ieee80211->current_network.qos_data.param_count =
1989                         network->qos_data.param_count;
1990         } else {
1991                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1992                        &def_qos_parameters, size);
1993                 priv->ieee80211->current_network.qos_data.active = 0;
1994                 priv->ieee80211->current_network.qos_data.supported = 0;
1995                 set_qos_param = 1;
1996         }
1997
1998         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1999
2000         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2001                  network->flags,
2002                  priv->ieee80211->current_network.qos_data.active);
2003         if (set_qos_param == 1)
2004                 schedule_work(&priv->qos_activate);
2005
2006
2007         return 0;
2008 }
2009
2010
2011 static int rtl8192_handle_assoc_response(
2012                 struct net_device *dev,
2013                 struct ieee80211_assoc_response_frame *resp,
2014                 struct ieee80211_network *network)
2015 {
2016         struct r8192_priv *priv = ieee80211_priv(dev);
2017
2018         rtl8192_qos_association_resp(priv, network);
2019         return 0;
2020 }
2021
2022
2023 static void rtl8192_update_ratr_table(struct net_device *dev)
2024 {
2025         struct r8192_priv *priv = ieee80211_priv(dev);
2026         struct ieee80211_device *ieee = priv->ieee80211;
2027         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2028         u32 ratr_value = 0;
2029         u8 rate_index = 0;
2030
2031         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2032         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2033         switch (ieee->mode) {
2034         case IEEE_A:
2035                 ratr_value &= 0x00000FF0;
2036                 break;
2037         case IEEE_B:
2038                 ratr_value &= 0x0000000F;
2039                 break;
2040         case IEEE_G:
2041                 ratr_value &= 0x00000FF7;
2042                 break;
2043         case IEEE_N_24G:
2044         case IEEE_N_5G:
2045                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2046                         ratr_value &= 0x0007F007;
2047                 } else {
2048                         if (priv->rf_type == RF_1T2R)
2049                                 ratr_value &= 0x000FF007;
2050                         else
2051                                 ratr_value &= 0x0F81F007;
2052                 }
2053                 break;
2054         default:
2055                 break;
2056         }
2057         ratr_value &= 0x0FFFFFFF;
2058         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2059                 ratr_value |= 0x80000000;
2060         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2061                  ieee->pHTInfo->bCurShortGI20MHz)
2062                 ratr_value |= 0x80000000;
2063         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2064         write_nic_byte(dev, UFWP, 1);
2065 }
2066
2067 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2068 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2069 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2070 {
2071         struct r8192_priv *priv = ieee80211_priv(dev);
2072         struct ieee80211_device *ieee = priv->ieee80211;
2073         struct ieee80211_network *network = &ieee->current_network;
2074         int wpa_ie_len = ieee->wpa_ie_len;
2075         struct ieee80211_crypt_data *crypt;
2076         int encrypt;
2077
2078         crypt = ieee->crypt[ieee->tx_keyidx];
2079         /* we use connecting AP's capability instead of only security config
2080          * on our driver to distinguish whether it should use N mode or G mode
2081          */
2082         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2083                   (ieee->host_encrypt && crypt && crypt->ops &&
2084                    (0 == strcmp(crypt->ops->name, "WEP")));
2085
2086         /* simply judge  */
2087         if (encrypt && (wpa_ie_len == 0)) {
2088                 /* wep encryption, no N mode setting */
2089                 return false;
2090         } else if ((wpa_ie_len != 0)) {
2091                 /* parse pairwise key type */
2092                 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))))
2093                         return true;
2094                 else
2095                         return false;
2096         } else {
2097                 return true;
2098         }
2099
2100         return true;
2101 }
2102
2103 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2104 {
2105         struct r8192_priv *priv = ieee80211_priv(dev);
2106
2107         return priv->ieee80211->bHalfWirelessN24GMode;
2108 }
2109
2110 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2111 {
2112         struct ieee80211_device *ieee = priv->ieee80211;
2113         /* We do not consider set support rate for ABG mode, only
2114          * HT MCS rate is set here.
2115          */
2116         if (ieee->mode == WIRELESS_MODE_N_24G ||
2117             ieee->mode == WIRELESS_MODE_N_5G)
2118                 memcpy(ieee->Regdot11HTOperationalRateSet,
2119                        ieee->RegHTSuppRateSet, 16);
2120         else
2121                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2122 }
2123
2124 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2125 {
2126         struct r8192_priv *priv = ieee80211_priv(dev);
2127         u8 ret = 0;
2128
2129         switch (priv->rf_chip) {
2130         case RF_8225:
2131         case RF_8256:
2132         case RF_PSEUDO_11N:
2133                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2134                 break;
2135         case RF_8258:
2136                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2137                 break;
2138         default:
2139                 ret = WIRELESS_MODE_B;
2140                 break;
2141         }
2142         return ret;
2143 }
2144
2145 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2146 {
2147         struct r8192_priv *priv = ieee80211_priv(dev);
2148         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2149
2150         if (wireless_mode == WIRELESS_MODE_AUTO ||
2151             (wireless_mode & bSupportMode) == 0) {
2152                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2153                         wireless_mode = WIRELESS_MODE_N_24G;
2154                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2155                         wireless_mode = WIRELESS_MODE_N_5G;
2156                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2157                         wireless_mode = WIRELESS_MODE_A;
2158                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2159                         wireless_mode = WIRELESS_MODE_G;
2160                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2161                         wireless_mode = WIRELESS_MODE_B;
2162                 } else {
2163                         RT_TRACE(COMP_ERR,
2164                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2165                                  __func__, bSupportMode);
2166                         wireless_mode = WIRELESS_MODE_B;
2167                 }
2168         }
2169 #ifdef TO_DO_LIST
2170         /* TODO: this function doesn't work well at this time,
2171          * we should wait for FPGA
2172          */
2173         ActUpdateChannelAccessSetting(
2174                         pAdapter, pHalData->CurrentWirelessMode,
2175                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2176 #endif
2177         priv->ieee80211->mode = wireless_mode;
2178
2179         if (wireless_mode == WIRELESS_MODE_N_24G ||
2180             wireless_mode == WIRELESS_MODE_N_5G)
2181                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2182         else
2183                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2184         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2185         rtl8192_refresh_supportrate(priv);
2186 }
2187
2188 /* init priv variables here. only non_zero value should be initialized here. */
2189 static void rtl8192_init_priv_variable(struct net_device *dev)
2190 {
2191         struct r8192_priv *priv = ieee80211_priv(dev);
2192         u8 i;
2193
2194         priv->card_8192 = NIC_8192U;
2195         priv->chan = 1; /* set to channel 1 */
2196         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2197         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2198         priv->ieee80211->ieee_up = 0;
2199         priv->retry_rts = DEFAULT_RETRY_RTS;
2200         priv->retry_data = DEFAULT_RETRY_DATA;
2201         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2202         priv->ieee80211->rate = 110; /* 11 mbps */
2203         priv->ieee80211->short_slot = 1;
2204         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2205         priv->CckPwEnl = 6;
2206         /* for silent reset */
2207         priv->IrpPendingCount = 1;
2208         priv->ResetProgress = RESET_TYPE_NORESET;
2209         priv->bForcedSilentReset = false;
2210         priv->bDisableNormalResetCheck = false;
2211         priv->force_reset = false;
2212
2213         /* we don't use FW read/write RF until stable firmware is available. */
2214         priv->ieee80211->FwRWRF = 0;
2215         priv->ieee80211->current_network.beacon_interval =
2216                 DEFAULT_BEACONINTERVAL;
2217         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2218                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2219                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2220                 IEEE_SOFTMAC_BEACONS;
2221
2222         priv->ieee80211->active_scan = 1;
2223         priv->ieee80211->modulation =
2224                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2225         priv->ieee80211->host_encrypt = 1;
2226         priv->ieee80211->host_decrypt = 1;
2227         priv->ieee80211->start_send_beacons = NULL;
2228         priv->ieee80211->stop_send_beacons = NULL;
2229         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2230         priv->ieee80211->set_chan = rtl8192_set_chan;
2231         priv->ieee80211->link_change = rtl8192_link_change;
2232         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2233         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2234         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2235         priv->ieee80211->init_wmmparam_flag = 0;
2236         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2237         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2238         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2239         priv->ieee80211->qos_support = 1;
2240
2241         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2242         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2243         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2244
2245         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2246         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2247                 GetHalfNmodeSupportByAPs819xUsb;
2248         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2249
2250         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2251         priv->card_type = USB;
2252 #ifdef TO_DO_LIST
2253         if (Adapter->bInHctTest) {
2254                 pHalData->ShortRetryLimit = 7;
2255                 pHalData->LongRetryLimit = 7;
2256         }
2257 #endif
2258         priv->ShortRetryLimit = 0x30;
2259         priv->LongRetryLimit = 0x30;
2260         priv->EarlyRxThreshold = 7;
2261         priv->enable_gpio0 = 0;
2262         priv->TransmitConfig =
2263                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2264                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2265                 /* Short retry limit */
2266                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2267                 /* Long retry limit */
2268                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2269                 /* FALSE: HW provides PLCP length and LENGEXT
2270                  * TRUE: SW provides them
2271                  */
2272                 (false ? TCR_SAT : 0);
2273 #ifdef TO_DO_LIST
2274         if (Adapter->bInHctTest)
2275                 pHalData->ReceiveConfig =
2276                         pHalData->CSMethod |
2277                         /* accept management/data */
2278                         RCR_AMF | RCR_ADF |
2279                         /* accept control frame for SW
2280                          * AP needs PS-poll
2281                          */
2282                         RCR_ACF |
2283                         /* accept BC/MC/UC */
2284                         RCR_AB | RCR_AM | RCR_APM |
2285                         /* accept ICV/CRC error
2286                          * packet
2287                          */
2288                         RCR_AICV | RCR_ACRC32 |
2289                         /* Max DMA Burst Size per Tx
2290                          * DMA Burst, 7: unlimited.
2291                          */
2292                         ((u32)7 << RCR_MXDMA_OFFSET) |
2293                         /* Rx FIFO Threshold,
2294                          * 7: No Rx threshold.
2295                          */
2296                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2297                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2298         else
2299
2300 #endif
2301         priv->ReceiveConfig     =
2302                 /* accept management/data */
2303                 RCR_AMF | RCR_ADF |
2304                 /* accept control frame for SW AP needs PS-poll */
2305                 RCR_ACF |
2306                 /* accept BC/MC/UC */
2307                 RCR_AB | RCR_AM | RCR_APM |
2308                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2309                 ((u32)7 << RCR_MXDMA_OFFSET) |
2310                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2311                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2312                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2313
2314         priv->AcmControl = 0;
2315         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2316
2317         /* rx related queue */
2318         skb_queue_head_init(&priv->rx_queue);
2319         skb_queue_head_init(&priv->skb_queue);
2320
2321         /* Tx related queue */
2322         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2323                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2324         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2325                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2326         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2327                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2328         priv->rf_set_chan = rtl8192_phy_SwChnl;
2329 }
2330
2331 /* init lock here */
2332 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2333 {
2334         spin_lock_init(&priv->tx_lock);
2335         spin_lock_init(&priv->irq_lock);
2336         mutex_init(&priv->wx_mutex);
2337         mutex_init(&priv->mutex);
2338 }
2339
2340 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2341
2342 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2343 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2344 #define DRV_NAME "wlan0"
2345 static void rtl8192_init_priv_task(struct net_device *dev)
2346 {
2347         struct r8192_priv *priv = ieee80211_priv(dev);
2348
2349
2350         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2351
2352         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2353                           rtl819x_watchdog_wqcallback);
2354         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2355                           dm_txpower_trackingcallback);
2356         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2357                           dm_rf_pathcheck_workitemcallback);
2358         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2359                           rtl8192_update_beacon);
2360         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2361                           InitialGainOperateWorkItemCallBack);
2362         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2363
2364         tasklet_init(&priv->irq_rx_tasklet,
2365                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2366                      (unsigned long)priv);
2367 }
2368
2369 static void rtl8192_get_eeprom_size(struct net_device *dev)
2370 {
2371         u16 curCR = 0;
2372         struct r8192_priv *priv = ieee80211_priv(dev);
2373
2374         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2375         read_nic_word_E(dev, EPROM_CMD, &curCR);
2376         RT_TRACE(COMP_EPROM,
2377                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2378         /* whether need I consider BIT(5?) */
2379         priv->epromtype =
2380                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2381         RT_TRACE(COMP_EPROM,
2382                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2383 }
2384
2385 /* used to swap endian. as ntohl & htonl are not necessary
2386  * to swap endian, so use this instead.
2387  */
2388 static inline u16 endian_swap(u16 *data)
2389 {
2390         u16 tmp = *data;
2391         *data = (tmp >> 8) | (tmp << 8);
2392         return *data;
2393 }
2394
2395 static int rtl8192_read_eeprom_info(struct net_device *dev)
2396 {
2397         u16 wEPROM_ID = 0;
2398         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2399         u8 bLoad_From_EEPOM = false;
2400         struct r8192_priv *priv = ieee80211_priv(dev);
2401         u16 tmpValue = 0;
2402         int i;
2403         int ret;
2404
2405         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2406         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2407         if (ret < 0)
2408                 return ret;
2409         wEPROM_ID = (u16)ret;
2410         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2411
2412         if (wEPROM_ID != RTL8190_EEPROM_ID)
2413                 RT_TRACE(COMP_ERR,
2414                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2415                          wEPROM_ID, RTL8190_EEPROM_ID);
2416         else
2417                 bLoad_From_EEPOM = true;
2418
2419         if (bLoad_From_EEPOM) {
2420                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2421                 ret = eprom_read(dev, EEPROM_VID >> 1);
2422                 if (ret < 0)
2423                         return ret;
2424                 tmpValue = (u16)ret;
2425                 priv->eeprom_vid = endian_swap(&tmpValue);
2426                 ret = eprom_read(dev, EEPROM_PID >> 1);
2427                 if (ret < 0)
2428                         return ret;
2429                 priv->eeprom_pid = (u16)ret;
2430                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2431                 if (ret < 0)
2432                         return ret;
2433                 tmpValue = (u16)ret;
2434                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2435                 priv->btxpowerdata_readfromEEPORM = true;
2436                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2437                 if (ret < 0)
2438                         return ret;
2439                 priv->eeprom_CustomerID = (u16)ret;
2440         } else {
2441                 priv->eeprom_vid = 0;
2442                 priv->eeprom_pid = 0;
2443                 priv->card_8192_version = VERSION_819xU_B;
2444                 priv->eeprom_ChannelPlan = 0;
2445                 priv->eeprom_CustomerID = 0;
2446         }
2447         RT_TRACE(COMP_EPROM,
2448                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2449                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2450                  priv->eeprom_ChannelPlan);
2451         /* set channelplan from eeprom */
2452         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2453         if (bLoad_From_EEPOM) {
2454                 int i;
2455
2456                 for (i = 0; i < 6; i += 2) {
2457                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2458                         if (ret < 0)
2459                                 return ret;
2460                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2461                 }
2462         } else {
2463                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2464                 /* should I set IDR0 here? */
2465         }
2466         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2467         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2468         priv->rf_chip = RF_8256;
2469
2470         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2471                 /* read Tx power gain offset of legacy OFDM to HT rate */
2472                 if (bLoad_From_EEPOM) {
2473                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2474                         if (ret < 0)
2475                                 return ret;
2476                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2477                 } else
2478                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2479                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2480                 /* read ThermalMeter from EEPROM */
2481                 if (bLoad_From_EEPOM) {
2482                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2483                         if (ret < 0)
2484                                 return ret;
2485                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2486                 } else
2487                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2488                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2489                 /* for tx power track */
2490                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2491                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2492                 if (bLoad_From_EEPOM) {
2493                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2494                         if (ret < 0)
2495                                 return ret;
2496                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2497                 } else
2498                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2499                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2500                 /* Read CrystalCap from EEPROM */
2501                 if (bLoad_From_EEPOM) {
2502                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2503                         if (ret < 0)
2504                                 return ret;
2505                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2506                 } else
2507                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2508                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2509                 /* get per-channel Tx power level */
2510                 if (bLoad_From_EEPOM) {
2511                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2512                         if (ret < 0)
2513                                 return ret;
2514                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2515                 } else
2516                         priv->EEPROM_Def_Ver = 1;
2517                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2518                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2519                         int i;
2520
2521                         if (bLoad_From_EEPOM) {
2522                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2523                                 if (ret < 0)
2524                                         return ret;
2525                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
2526                         } else
2527                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2528                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2529                         for (i = 0; i < 3; i++) {
2530                                 if (bLoad_From_EEPOM) {
2531                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2532                                         if ( ret < 0)
2533                                                 return ret;
2534                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2535                                                 tmpValue = (u16)ret & 0x00ff;
2536                                         else
2537                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2538                                 } else {
2539                                         tmpValue = 0x10;
2540                                 }
2541                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2542                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2543                         }
2544                 } else if (priv->EEPROM_Def_Ver == 1) {
2545                         if (bLoad_From_EEPOM) {
2546                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2547                                 if (ret < 0)
2548                                         return ret;
2549                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2550                         } else {
2551                                 tmpValue = 0x10;
2552                         }
2553                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2554
2555                         if (bLoad_From_EEPOM) {
2556                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2557                                 if (ret < 0)
2558                                         return ret;
2559                                 tmpValue = (u16)ret;
2560                         } else
2561                                 tmpValue = 0x1010;
2562                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2563                         if (bLoad_From_EEPOM)
2564                                 tmpValue = eprom_read(dev,
2565                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2566                         else
2567                                 tmpValue = 0x1010;
2568                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2569                         if (bLoad_From_EEPOM)
2570                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2571                         else
2572                                 tmpValue = 0x10;
2573                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2574                 } /* endif EEPROM_Def_Ver == 1 */
2575
2576                 /* update HAL variables */
2577                 for (i = 0; i < 14; i++) {
2578                         if (i <= 3)
2579                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2580                         else if (i >= 4 && i <= 9)
2581                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2582                         else
2583                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2584                 }
2585
2586                 for (i = 0; i < 14; i++) {
2587                         if (priv->EEPROM_Def_Ver == 0) {
2588                                 if (i <= 3)
2589                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2590                                 else if (i >= 4 && i <= 9)
2591                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2592                                 else
2593                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2594                         } else if (priv->EEPROM_Def_Ver == 1) {
2595                                 if (i <= 3)
2596                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2597                                 else if (i >= 4 && i <= 9)
2598                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2599                                 else
2600                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2601                         }
2602                 }
2603                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2604                 /* Antenna B gain offset to antenna A, bit0~3 */
2605                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2606                 /* Antenna C gain offset to antenna A, bit4~7 */
2607                 priv->AntennaTxPwDiff[1] =
2608                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2609                 /* CrystalCap, bit12~15 */
2610                 priv->CrystalCap = priv->EEPROMCrystalCap;
2611                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2612                  * 92U does not enable TX power tracking.
2613                  */
2614                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2615         } /* end if VersionID == VERSION_819xU_A */
2616
2617         /* for dlink led */
2618         switch (priv->eeprom_CustomerID) {
2619         case EEPROM_CID_RUNTOP:
2620                 priv->CustomerID = RT_CID_819x_RUNTOP;
2621                 break;
2622
2623         case EEPROM_CID_DLINK:
2624                 priv->CustomerID = RT_CID_DLINK;
2625                 break;
2626
2627         default:
2628                 priv->CustomerID = RT_CID_DEFAULT;
2629                 break;
2630         }
2631
2632         switch (priv->CustomerID) {
2633         case RT_CID_819x_RUNTOP:
2634                 priv->LedStrategy = SW_LED_MODE2;
2635                 break;
2636
2637         case RT_CID_DLINK:
2638                 priv->LedStrategy = SW_LED_MODE4;
2639                 break;
2640
2641         default:
2642                 priv->LedStrategy = SW_LED_MODE0;
2643                 break;
2644         }
2645
2646
2647         if (priv->rf_type == RF_1T2R)
2648                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2649         else
2650                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2651
2652         /* We can only know RF type in the function. So we have to init
2653          * DIG RATR table again.
2654          */
2655         init_rate_adaptive(dev);
2656
2657         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2658
2659         return 0;
2660 }
2661
2662 static short rtl8192_get_channel_map(struct net_device *dev)
2663 {
2664         struct r8192_priv *priv = ieee80211_priv(dev);
2665
2666         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2667                 netdev_err(dev,
2668                            "rtl8180_init: Error channel plan! Set to default.\n");
2669                 priv->ChannelPlan = 0;
2670         }
2671         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2672
2673         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2674         return 0;
2675 }
2676
2677 static short rtl8192_init(struct net_device *dev)
2678 {
2679         struct r8192_priv *priv = ieee80211_priv(dev);
2680         int err;
2681
2682         memset(&(priv->stats), 0, sizeof(struct Stats));
2683         memset(priv->txqueue_to_outpipemap, 0, 9);
2684 #ifdef PIPE12
2685         {
2686                 int i = 0;
2687                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2688
2689                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2690         }
2691 #else
2692         {
2693                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2694
2695                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2696         }
2697 #endif
2698         rtl8192_init_priv_variable(dev);
2699         rtl8192_init_priv_lock(priv);
2700         rtl8192_init_priv_task(dev);
2701         rtl8192_get_eeprom_size(dev);
2702         err = rtl8192_read_eeprom_info(dev);
2703         if (err) {
2704                 DMESG("Reading EEPROM info failed");
2705                 kfree(priv->pFirmware);
2706                 priv->pFirmware = NULL;
2707                 free_ieee80211(dev);
2708                 return err;
2709         }
2710         rtl8192_get_channel_map(dev);
2711         init_hal_dm(dev);
2712         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2713                     (unsigned long)dev);
2714         if (rtl8192_usb_initendpoints(dev) != 0) {
2715                 DMESG("Endopoints initialization failed");
2716                 return -ENOMEM;
2717         }
2718
2719         return 0;
2720 }
2721
2722 /******************************************************************************
2723  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2724  *           not to do all the hw config as its name says
2725  *   input:  net_device dev
2726  *  output:  none
2727  *  return:  none
2728  *  notice:  This part need to modified according to the rate set we filtered
2729  * ****************************************************************************/
2730 static void rtl8192_hwconfig(struct net_device *dev)
2731 {
2732         u32 regRATR = 0, regRRSR = 0;
2733         u8 regBwOpMode = 0, regTmp = 0;
2734         struct r8192_priv *priv = ieee80211_priv(dev);
2735         u32 ratr_value = 0;
2736
2737         /* Set RRSR, RATR, and BW_OPMODE registers */
2738         switch (priv->ieee80211->mode) {
2739         case WIRELESS_MODE_B:
2740                 regBwOpMode = BW_OPMODE_20MHZ;
2741                 regRATR = RATE_ALL_CCK;
2742                 regRRSR = RATE_ALL_CCK;
2743                 break;
2744         case WIRELESS_MODE_A:
2745                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2746                 regRATR = RATE_ALL_OFDM_AG;
2747                 regRRSR = RATE_ALL_OFDM_AG;
2748                 break;
2749         case WIRELESS_MODE_G:
2750                 regBwOpMode = BW_OPMODE_20MHZ;
2751                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2752                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2753                 break;
2754         case WIRELESS_MODE_AUTO:
2755 #ifdef TO_DO_LIST
2756                 if (Adapter->bInHctTest) {
2757                         regBwOpMode = BW_OPMODE_20MHZ;
2758                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2759                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2760                 } else
2761 #endif
2762                 {
2763                         regBwOpMode = BW_OPMODE_20MHZ;
2764                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2765                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2766                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2767                 }
2768                 break;
2769         case WIRELESS_MODE_N_24G:
2770                 /* It support CCK rate by default. CCK rate will be filtered
2771                  * out only when associated AP does not support it.
2772                  */
2773                 regBwOpMode = BW_OPMODE_20MHZ;
2774                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2775                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2776                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2777                 break;
2778         case WIRELESS_MODE_N_5G:
2779                 regBwOpMode = BW_OPMODE_5G;
2780                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2781                           RATE_ALL_OFDM_2SS;
2782                 regRRSR = RATE_ALL_OFDM_AG;
2783                 break;
2784         }
2785
2786         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2787         ratr_value = regRATR;
2788         if (priv->rf_type == RF_1T2R)
2789                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2790         write_nic_dword(dev, RATR0, ratr_value);
2791         write_nic_byte(dev, UFWP, 1);
2792         read_nic_byte(dev, 0x313, &regTmp);
2793         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2794         write_nic_dword(dev, RRSR, regRRSR);
2795
2796         /* Set Retry Limit here */
2797         write_nic_word(dev, RETRY_LIMIT,
2798                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2799                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2800         /* Set Contention Window here */
2801
2802         /* Set Tx AGC */
2803
2804         /* Set Tx Antenna including Feedback control */
2805
2806         /* Set Auto Rate fallback control */
2807 }
2808
2809
2810 /* InitializeAdapter and PhyCfg */
2811 static bool rtl8192_adapter_start(struct net_device *dev)
2812 {
2813         struct r8192_priv *priv = ieee80211_priv(dev);
2814         u32 dwRegRead = 0;
2815         bool init_status = true;
2816         u8 SECR_value = 0x0;
2817         u8 tmp;
2818
2819         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2820         priv->Rf_Mode = RF_OP_By_SW_3wire;
2821         /* for ASIC power on sequence */
2822         write_nic_byte_E(dev, 0x5f, 0x80);
2823         mdelay(50);
2824         write_nic_byte_E(dev, 0x5f, 0xf0);
2825         write_nic_byte_E(dev, 0x5d, 0x00);
2826         write_nic_byte_E(dev, 0x5e, 0x80);
2827         write_nic_byte(dev, 0x17, 0x37);
2828         mdelay(10);
2829         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2830         /* config CPUReset Register */
2831         /* Firmware Reset or not? */
2832         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2833         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2834                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2835         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2836                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2837         else
2838                 RT_TRACE(COMP_ERR,
2839                          "ERROR in %s(): undefined firmware state(%d)\n",
2840                          __func__,   priv->pFirmware->firmware_status);
2841
2842         write_nic_dword(dev, CPU_GEN, dwRegRead);
2843         /* config BB. */
2844         rtl8192_BBConfig(dev);
2845
2846         /* Loopback mode or not */
2847         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2848
2849         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2850         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2851                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2852                             CPU_GEN_NO_LOOPBACK_SET;
2853         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2854                 dwRegRead |= CPU_CCK_LOOPBACK;
2855         else
2856                 RT_TRACE(COMP_ERR,
2857                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2858                          __func__,  priv->LoopbackMode);
2859
2860         write_nic_dword(dev, CPU_GEN, dwRegRead);
2861
2862         /* after reset cpu, we need wait for a seconds to write in register. */
2863         udelay(500);
2864
2865         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2866         read_nic_byte_E(dev, 0x5f, &tmp);
2867         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2868
2869         /* Set Hardware */
2870         rtl8192_hwconfig(dev);
2871
2872         /* turn on Tx/Rx */
2873         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2874
2875         /* set IDR0 here */
2876         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2877         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2878
2879         /* set RCR */
2880         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2881
2882         /* Initialize Number of Reserved Pages in Firmware Queue */
2883         write_nic_dword(dev, RQPN1,
2884                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2885                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2886                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2887                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2888         write_nic_dword(dev, RQPN2,
2889                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2890                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2891         write_nic_dword(dev, RQPN3,
2892                 APPLIED_RESERVED_QUEUE_IN_FW |
2893                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2894         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2895
2896         /* Set AckTimeout */
2897         /* TODO: (it value is only for FPGA version). need to be changed!! */
2898         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2899
2900         if (priv->ResetProgress == RESET_TYPE_NORESET)
2901                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2902         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2903                 CamResetAllEntry(dev);
2904                 SECR_value |= SCR_TxEncEnable;
2905                 SECR_value |= SCR_RxDecEnable;
2906                 SECR_value |= SCR_NoSKMC;
2907                 write_nic_byte(dev, SECR, SECR_value);
2908         }
2909
2910         /* Beacon related */
2911         write_nic_word(dev, ATIMWND, 2);
2912         write_nic_word(dev, BCN_INTERVAL, 100);
2913
2914 #define DEFAULT_EDCA 0x005e4332
2915         {
2916                 int i;
2917
2918                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2919                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2920         }
2921
2922         rtl8192_phy_configmac(dev);
2923
2924         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2925                 rtl8192_phy_getTxPower(dev);
2926                 rtl8192_phy_setTxPower(dev, priv->chan);
2927         }
2928
2929         /* Firmware download */
2930         init_status = init_firmware(dev);
2931         if (!init_status) {
2932                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2933                          __func__);
2934                 return init_status;
2935         }
2936         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2937
2938 #ifdef TO_DO_LIST
2939         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2940                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2941                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2942                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2943                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2944                         /* Those actions will be discard in MgntActSet_RF_State
2945                          * because of the same state
2946                          */
2947                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2948                                 PHY_SetRFReg(Adapter,
2949                                              (RF90_RADIO_PATH_E)eRFPath,
2950                                              0x4, 0xC00, 0x0);
2951                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2952                         /* H/W or S/W RF OFF before sleep. */
2953                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2954                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2955                                   pMgntInfo->RfOffReason));
2956                         MgntActSet_RF_State(Adapter,
2957                                             eRfOff,
2958                                             pMgntInfo->RfOffReason);
2959                 } else {
2960                         pHalData->eRFPowerState = eRfOn;
2961                         pMgntInfo->RfOffReason = 0;
2962                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2963                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2964                 }
2965         } else {
2966                 if (pHalData->eRFPowerState == eRfOff) {
2967                         MgntActSet_RF_State(Adapter,
2968                                             eRfOff,
2969                                             pMgntInfo->RfOffReason);
2970                         /* Those actions will be discard in MgntActSet_RF_State
2971                          * because of the same state
2972                          */
2973                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2974                                 PHY_SetRFReg(Adapter,
2975                                              (RF90_RADIO_PATH_E)eRFPath,
2976                                              0x4, 0xC00, 0x0);
2977                 }
2978         }
2979 #endif
2980         /* config RF. */
2981         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2982                 rtl8192_phy_RFConfig(dev);
2983                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2984         }
2985
2986
2987         if (priv->ieee80211->FwRWRF)
2988                 /* We can force firmware to do RF-R/W */
2989                 priv->Rf_Mode = RF_OP_By_FW;
2990         else
2991                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2992
2993
2994         rtl8192_phy_updateInitGain(dev);
2995         /*--set CCK and OFDM Block "ON"--*/
2996         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2997         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2998
2999         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3000                 /* if D or C cut */
3001                 u8 tmpvalue;
3002
3003                 read_nic_byte(dev, 0x301, &tmpvalue);
3004                 if (tmpvalue == 0x03) {
3005                         priv->bDcut = true;
3006                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3007                 } else {
3008                         priv->bDcut = false;
3009                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3010                 }
3011                 dm_initialize_txpower_tracking(dev);
3012
3013                 if (priv->bDcut) {
3014                         u32 i, TempCCk;
3015                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3016                                                          rOFDM0_XATxIQImbalance,
3017                                                          bMaskDWord);
3018
3019                         for (i = 0; i < TxBBGainTableLength; i++) {
3020                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3021                                         priv->rfa_txpowertrackingindex = (u8)i;
3022                                         priv->rfa_txpowertrackingindex_real =
3023                                                 (u8)i;
3024                                         priv->rfa_txpowertracking_default =
3025                                                 priv->rfa_txpowertrackingindex;
3026                                         break;
3027                                 }
3028                         }
3029
3030                         TempCCk = rtl8192_QueryBBReg(dev,
3031                                                      rCCK0_TxFilter1,
3032                                                      bMaskByte2);
3033
3034                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3035                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3036                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3037                                         break;
3038                                 }
3039                         }
3040                         priv->cck_present_attentuation_40Mdefault = 0;
3041                         priv->cck_present_attentuation_difference = 0;
3042                         priv->cck_present_attentuation =
3043                                 priv->cck_present_attentuation_20Mdefault;
3044                 }
3045         }
3046         write_nic_byte(dev, 0x87, 0x0);
3047
3048
3049         return init_status;
3050 }
3051
3052 /* this configures registers for beacon tx and enables it via
3053  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3054  * be used to stop beacon transmission
3055  */
3056 /***************************************************************************
3057     -------------------------------NET STUFF---------------------------
3058 ***************************************************************************/
3059
3060 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3061 {
3062         struct r8192_priv *priv = ieee80211_priv(dev);
3063
3064         return &priv->ieee80211->stats;
3065 }
3066
3067 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3068 {
3069         struct r8192_priv *priv = ieee80211_priv(dev);
3070         u16             RegTxCounter;
3071         bool            bStuck = false;
3072
3073         read_nic_word(dev, 0x128, &RegTxCounter);
3074         RT_TRACE(COMP_RESET,
3075                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3076                  RegTxCounter, priv->TxCounter);
3077         if (priv->TxCounter == RegTxCounter)
3078                 bStuck = true;
3079
3080         priv->TxCounter = RegTxCounter;
3081
3082         return bStuck;
3083 }
3084
3085 /*
3086 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3087 *       First added: 2006.11.19 by emily
3088 */
3089 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3090 {
3091         struct r8192_priv *priv = ieee80211_priv(dev);
3092         u8                      QueueID;
3093         bool                    bCheckFwTxCnt = false;
3094
3095         /* Decide such threshold according to current power save mode */
3096
3097         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3098                 if (QueueID == TXCMD_QUEUE)
3099                         continue;
3100                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3101                         continue;
3102
3103                 bCheckFwTxCnt = true;
3104         }
3105         if (bCheckFwTxCnt) {
3106                 if (HalTxCheckStuck819xUsb(dev)) {
3107                         RT_TRACE(COMP_RESET,
3108                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3109                         return RESET_TYPE_SILENT;
3110                 }
3111         }
3112         return RESET_TYPE_NORESET;
3113 }
3114
3115 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3116 {
3117         u16     RegRxCounter;
3118         struct r8192_priv *priv = ieee80211_priv(dev);
3119         bool bStuck = false;
3120         static u8       rx_chk_cnt;
3121
3122         read_nic_word(dev, 0x130, &RegRxCounter);
3123         RT_TRACE(COMP_RESET,
3124                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3125                  RegRxCounter, priv->RxCounter);
3126         /* If rssi is small, we should check rx for long time because of bad rx.
3127          * or maybe it will continuous silent reset every 2 seconds.
3128          */
3129         rx_chk_cnt++;
3130         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3131                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3132         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3133                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3134                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3135                 if (rx_chk_cnt < 2)
3136                         return bStuck;
3137
3138                 rx_chk_cnt = 0;
3139         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3140                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3141                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3142                 if (rx_chk_cnt < 4)
3143                         return bStuck;
3144
3145                 rx_chk_cnt = 0;
3146         } else {
3147                 if (rx_chk_cnt < 8)
3148                         return bStuck;
3149
3150                 rx_chk_cnt = 0;
3151         }
3152
3153         if (priv->RxCounter == RegRxCounter)
3154                 bStuck = true;
3155
3156         priv->RxCounter = RegRxCounter;
3157
3158         return bStuck;
3159 }
3160
3161 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3162 {
3163         struct r8192_priv *priv = ieee80211_priv(dev);
3164         bool        bRxCheck = false;
3165
3166         if (priv->IrpPendingCount > 1)
3167                 bRxCheck = true;
3168
3169         if (bRxCheck) {
3170                 if (HalRxCheckStuck819xUsb(dev)) {
3171                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3172                         return RESET_TYPE_SILENT;
3173                 }
3174         }
3175         return RESET_TYPE_NORESET;
3176 }
3177
3178
3179 /**
3180  * This function is called by Checkforhang to check whether we should
3181  * ask OS to reset driver
3182  *
3183  * \param pAdapter      The adapter context for this miniport
3184  *
3185  * Note:NIC with USB interface sholud not call this function because we
3186  * cannot scan descriptor to judge whether there is tx stuck.
3187  * Note: This function may be required to be rewrite for Vista OS.
3188  * <<<Assumption: Tx spinlock has been acquired >>>
3189  *
3190  * 8185 and 8185b does not implement this function.
3191  */
3192 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3193 {
3194         struct r8192_priv *priv = ieee80211_priv(dev);
3195         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3196         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3197         RT_RF_POWER_STATE       rfState;
3198
3199         rfState = priv->ieee80211->eRFPowerState;
3200
3201         TxResetType = TxCheckStuck(dev);
3202         if (rfState != eRfOff ||
3203             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3204                 /* If driver is in the status of firmware download failure,
3205                  * driver skips RF initialization and RF is in turned off
3206                  * state. Driver should check whether Rx stuck and do silent
3207                  * reset. And if driver is in firmware download failure status,
3208                  * driver should initialize RF in the following silent reset
3209                  * procedure
3210                  *
3211                  * Driver should not check RX stuck in IBSS mode because it is
3212                  * required to set Check BSSID in order to send beacon,
3213                  * however, if check BSSID is set, STA cannot hear any packet
3214                  * at all.
3215                  */
3216                 RxResetType = RxCheckStuck(dev);
3217         }
3218         if (TxResetType == RESET_TYPE_NORMAL ||
3219             RxResetType == RESET_TYPE_NORMAL) {
3220                 return RESET_TYPE_NORMAL;
3221         } else if (TxResetType == RESET_TYPE_SILENT ||
3222                    RxResetType == RESET_TYPE_SILENT) {
3223                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3224                 return RESET_TYPE_SILENT;
3225         } else {
3226                 return RESET_TYPE_NORESET;
3227         }
3228 }
3229
3230 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3231 static int _rtl8192_up(struct net_device *dev);
3232 static int rtl8192_close(struct net_device *dev);
3233
3234
3235
3236 static void CamRestoreAllEntry(struct net_device *dev)
3237 {
3238         u8 EntryId = 0;
3239         struct r8192_priv *priv = ieee80211_priv(dev);
3240         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3241
3242         static u8       CAM_CONST_ADDR[4][6] = {
3243                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3244                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3245                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3246                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3247         static u8       CAM_CONST_BROAD[] = {
3248                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3249
3250         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3251
3252
3253         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3254             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3255                 for (EntryId = 0; EntryId < 4; EntryId++) {
3256                         MacAddr = CAM_CONST_ADDR[EntryId];
3257                         setKey(dev, EntryId, EntryId,
3258                                priv->ieee80211->pairwise_key_type,
3259                                MacAddr, 0, NULL);
3260                 }
3261
3262         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3263                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3264                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3265                                (u8 *)dev->dev_addr, 0, NULL);
3266                 else
3267                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3268                                MacAddr, 0, NULL);
3269         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3270                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3271                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3272                                (u8 *)dev->dev_addr, 0, NULL);
3273                 else
3274                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3275                                MacAddr, 0, NULL);
3276         }
3277
3278
3279
3280         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3281                 MacAddr = CAM_CONST_BROAD;
3282                 for (EntryId = 1; EntryId < 4; EntryId++) {
3283                         setKey(dev, EntryId, EntryId,
3284                                priv->ieee80211->group_key_type,
3285                                MacAddr, 0, NULL);
3286                 }
3287                 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         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3291                 MacAddr = CAM_CONST_BROAD;
3292                 for (EntryId = 1; EntryId < 4; EntryId++) {
3293                         setKey(dev, EntryId, EntryId,
3294                                priv->ieee80211->group_key_type,
3295                                MacAddr, 0, NULL);
3296                 }
3297
3298                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3299                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3300                                CAM_CONST_ADDR[0], 0, NULL);
3301         }
3302 }
3303
3304 /* This function is used to fix Tx/Rx stop bug temporarily.
3305  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3306  * The method checking Tx/Rx stuck of this function is supported by FW,
3307  * which reports Tx and Rx counter to register 0x128 and 0x130.
3308  */
3309 static void rtl819x_ifsilentreset(struct net_device *dev)
3310 {
3311         struct r8192_priv *priv = ieee80211_priv(dev);
3312         u8      reset_times = 0;
3313         int reset_status = 0;
3314         struct ieee80211_device *ieee = priv->ieee80211;
3315
3316
3317         /* If we need to check CCK stop, please uncomment this line. */
3318         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3319
3320         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3321 RESET_START:
3322
3323                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3324
3325                 /* Set the variable for reset. */
3326                 priv->ResetProgress = RESET_TYPE_SILENT;
3327                 mutex_lock(&priv->wx_mutex);
3328                 if (priv->up == 0) {
3329                         RT_TRACE(COMP_ERR,
3330                                  "%s():the driver is not up! return\n",
3331                                  __func__);
3332                         mutex_unlock(&priv->wx_mutex);
3333                         return;
3334                 }
3335                 priv->up = 0;
3336                 RT_TRACE(COMP_RESET,
3337                          "%s():======>start to down the driver\n",
3338                          __func__);
3339
3340                 rtl8192_rtx_disable(dev);
3341                 rtl8192_cancel_deferred_work(priv);
3342                 deinit_hal_dm(dev);
3343                 del_timer_sync(&priv->watch_dog_timer);
3344
3345                 ieee->sync_scan_hurryup = 1;
3346                 if (ieee->state == IEEE80211_LINKED) {
3347                         mutex_lock(&ieee->wx_mutex);
3348                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3349                         ieee80211_stop_send_beacons(priv->ieee80211);
3350                         del_timer_sync(&ieee->associate_timer);
3351                         cancel_delayed_work(&ieee->associate_retry_wq);
3352                         ieee80211_stop_scan(ieee);
3353                         netif_carrier_off(dev);
3354                         mutex_unlock(&ieee->wx_mutex);
3355                 } else {
3356                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3357                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3358                 }
3359                 mutex_unlock(&priv->wx_mutex);
3360                 RT_TRACE(COMP_RESET,
3361                          "%s():<==========down process is finished\n",
3362                          __func__);
3363                 RT_TRACE(COMP_RESET,
3364                          "%s():===========>start up the driver\n",
3365                          __func__);
3366                 reset_status = _rtl8192_up(dev);
3367
3368                 RT_TRACE(COMP_RESET,
3369                          "%s():<===========up process is finished\n",
3370                          __func__);
3371                 if (reset_status == -EAGAIN) {
3372                         if (reset_times < 3) {
3373                                 reset_times++;
3374                                 goto RESET_START;
3375                         } else {
3376                                 RT_TRACE(COMP_ERR,
3377                                          " ERR!!! %s():  Reset Failed!!\n",
3378                                          __func__);
3379                         }
3380                 }
3381                 ieee->is_silent_reset = 1;
3382                 EnableHWSecurityConfig8192(dev);
3383                 if (ieee->state == IEEE80211_LINKED &&
3384                     ieee->iw_mode == IW_MODE_INFRA) {
3385                         ieee->set_chan(ieee->dev,
3386                                        ieee->current_network.channel);
3387
3388                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3389
3390                 } else if (ieee->state == IEEE80211_LINKED &&
3391                            ieee->iw_mode == IW_MODE_ADHOC) {
3392                         ieee->set_chan(ieee->dev,
3393                                        ieee->current_network.channel);
3394                         ieee->link_change(ieee->dev);
3395
3396                         ieee80211_start_send_beacons(ieee);
3397
3398                         if (ieee->data_hard_resume)
3399                                 ieee->data_hard_resume(ieee->dev);
3400                         netif_carrier_on(ieee->dev);
3401                 }
3402
3403                 CamRestoreAllEntry(dev);
3404
3405                 priv->ResetProgress = RESET_TYPE_NORESET;
3406                 priv->reset_count++;
3407
3408                 priv->bForcedSilentReset = false;
3409                 priv->bResetInProgress = false;
3410
3411                 /* For test --> force write UFWP. */
3412                 write_nic_byte(dev, UFWP, 1);
3413                 RT_TRACE(COMP_RESET,
3414                          "Reset finished!! ====>[%d]\n",
3415                          priv->reset_count);
3416         }
3417 }
3418
3419 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3420                              u32 *TotalRxDataNum)
3421 {
3422         u16                     SlotIndex;
3423         u16                     i;
3424
3425         *TotalRxBcnNum = 0;
3426         *TotalRxDataNum = 0;
3427
3428         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3429                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3430         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3431                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3432         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3433                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3434         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3435                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3436                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3437         }
3438 }
3439
3440
3441 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3442 {
3443         struct delayed_work *dwork = to_delayed_work(work);
3444         struct r8192_priv *priv = container_of(dwork,
3445                                                struct r8192_priv, watch_dog_wq);
3446         struct net_device *dev = priv->ieee80211->dev;
3447         struct ieee80211_device *ieee = priv->ieee80211;
3448         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3449         static u8       check_reset_cnt;
3450         bool bBusyTraffic = false;
3451         u32     TotalRxBcnNum = 0;
3452         u32     TotalRxDataNum = 0;
3453
3454         if (!priv->up)
3455                 return;
3456         hal_dm_watchdog(dev);
3457
3458         /* to get busy traffic condition */
3459         if (ieee->state == IEEE80211_LINKED) {
3460                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3461                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3462                         bBusyTraffic = true;
3463                 }
3464                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3465                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3466                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3467         }
3468         /* for AP roaming */
3469         if (priv->ieee80211->state == IEEE80211_LINKED &&
3470             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3471                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3472                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3473 #ifdef TODO
3474                         if (rfState == eRfOff)
3475                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3476 #endif
3477                         netdev_dbg(dev,
3478                                    "===>%s(): AP is power off, connect another one\n",
3479                                    __func__);
3480                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3481                         notify_wx_assoc_event(priv->ieee80211);
3482                         RemovePeerTS(priv->ieee80211,
3483                                      priv->ieee80211->current_network.bssid);
3484                         priv->ieee80211->link_change(dev);
3485                         queue_work(priv->ieee80211->wq,
3486                                    &priv->ieee80211->associate_procedure_wq);
3487                 }
3488         }
3489         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3490         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3491         /* check if reset the driver */
3492         if (check_reset_cnt++ >= 3) {
3493                 ResetType = rtl819x_ifcheck_resetornot(dev);
3494                 check_reset_cnt = 3;
3495         }
3496         /* This is control by OID set in Pomelo */
3497         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3498             (priv->bForcedSilentReset ||
3499             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3500                 RT_TRACE(COMP_RESET,
3501                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3502                          __func__, priv->force_reset, priv->ResetProgress,
3503                          priv->bForcedSilentReset,
3504                          priv->bDisableNormalResetCheck, ResetType);
3505                 rtl819x_ifsilentreset(dev);
3506         }
3507         priv->force_reset = false;
3508         priv->bForcedSilentReset = false;
3509         priv->bResetInProgress = false;
3510         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3511 }
3512
3513 static void watch_dog_timer_callback(unsigned long data)
3514 {
3515         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3516
3517         schedule_delayed_work(&priv->watch_dog_wq, 0);
3518         mod_timer(&priv->watch_dog_timer,
3519                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3520 }
3521
3522 static int _rtl8192_up(struct net_device *dev)
3523 {
3524         struct r8192_priv *priv = ieee80211_priv(dev);
3525         int init_status = 0;
3526
3527         priv->up = 1;
3528         priv->ieee80211->ieee_up = 1;
3529         RT_TRACE(COMP_INIT, "Bringing up iface");
3530         init_status = rtl8192_adapter_start(dev);
3531         if (!init_status) {
3532                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3533                          __func__);
3534                 priv->up = priv->ieee80211->ieee_up = 0;
3535                 return -EAGAIN;
3536         }
3537         RT_TRACE(COMP_INIT, "start adapter finished\n");
3538         rtl8192_rx_enable(dev);
3539         if (priv->ieee80211->state != IEEE80211_LINKED)
3540                 ieee80211_softmac_start_protocol(priv->ieee80211);
3541         ieee80211_reset_queue(priv->ieee80211);
3542         watch_dog_timer_callback((unsigned long)dev);
3543         if (!netif_queue_stopped(dev))
3544                 netif_start_queue(dev);
3545         else
3546                 netif_wake_queue(dev);
3547
3548         return 0;
3549 }
3550
3551
3552 static int rtl8192_open(struct net_device *dev)
3553 {
3554         struct r8192_priv *priv = ieee80211_priv(dev);
3555         int ret;
3556
3557         mutex_lock(&priv->wx_mutex);
3558         ret = rtl8192_up(dev);
3559         mutex_unlock(&priv->wx_mutex);
3560         return ret;
3561 }
3562
3563
3564 int rtl8192_up(struct net_device *dev)
3565 {
3566         struct r8192_priv *priv = ieee80211_priv(dev);
3567
3568         if (priv->up == 1)
3569                 return -1;
3570
3571         return _rtl8192_up(dev);
3572 }
3573
3574
3575 static int rtl8192_close(struct net_device *dev)
3576 {
3577         struct r8192_priv *priv = ieee80211_priv(dev);
3578         int ret;
3579
3580         mutex_lock(&priv->wx_mutex);
3581
3582         ret = rtl8192_down(dev);
3583
3584         mutex_unlock(&priv->wx_mutex);
3585
3586         return ret;
3587 }
3588
3589 int rtl8192_down(struct net_device *dev)
3590 {
3591         struct r8192_priv *priv = ieee80211_priv(dev);
3592         int i;
3593
3594         if (priv->up == 0)
3595                 return -1;
3596
3597         priv->up = 0;
3598         priv->ieee80211->ieee_up = 0;
3599         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3600         /* FIXME */
3601         if (!netif_queue_stopped(dev))
3602                 netif_stop_queue(dev);
3603
3604         rtl8192_rtx_disable(dev);
3605
3606         /* Tx related queue release */
3607         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3608                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3609         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3610                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3611
3612         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3613                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3614
3615         /* as cancel_delayed_work will del work->timer, so if work is not
3616          * defined as struct delayed_work, it will corrupt
3617          */
3618         rtl8192_cancel_deferred_work(priv);
3619         deinit_hal_dm(dev);
3620         del_timer_sync(&priv->watch_dog_timer);
3621
3622
3623         ieee80211_softmac_stop_protocol(priv->ieee80211);
3624         memset(&priv->ieee80211->current_network, 0,
3625                offsetof(struct ieee80211_network, list));
3626         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3627
3628         return 0;
3629 }
3630
3631
3632 void rtl8192_commit(struct net_device *dev)
3633 {
3634         struct r8192_priv *priv = ieee80211_priv(dev);
3635         int reset_status = 0;
3636
3637         if (priv->up == 0)
3638                 return;
3639         priv->up = 0;
3640
3641         rtl8192_cancel_deferred_work(priv);
3642         del_timer_sync(&priv->watch_dog_timer);
3643
3644         ieee80211_softmac_stop_protocol(priv->ieee80211);
3645
3646         rtl8192_rtx_disable(dev);
3647         reset_status = _rtl8192_up(dev);
3648 }
3649
3650 static void rtl8192_restart(struct work_struct *work)
3651 {
3652         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3653                                                reset_wq);
3654         struct net_device *dev = priv->ieee80211->dev;
3655
3656         mutex_lock(&priv->wx_mutex);
3657
3658         rtl8192_commit(dev);
3659
3660         mutex_unlock(&priv->wx_mutex);
3661 }
3662
3663 static void r8192_set_multicast(struct net_device *dev)
3664 {
3665         struct r8192_priv *priv = ieee80211_priv(dev);
3666         short promisc;
3667
3668         /* FIXME FIXME */
3669
3670         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3671
3672         if (promisc != priv->promisc)
3673
3674                 priv->promisc = promisc;
3675 }
3676
3677
3678 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3679 {
3680         struct r8192_priv *priv = ieee80211_priv(dev);
3681         struct sockaddr *addr = mac;
3682
3683         mutex_lock(&priv->wx_mutex);
3684
3685         ether_addr_copy(dev->dev_addr, addr->sa_data);
3686
3687         schedule_work(&priv->reset_wq);
3688         mutex_unlock(&priv->wx_mutex);
3689
3690         return 0;
3691 }
3692
3693 /* based on ipw2200 driver */
3694 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3695 {
3696         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3697         struct iwreq *wrq = (struct iwreq *)rq;
3698         int ret = -1;
3699         struct ieee80211_device *ieee = priv->ieee80211;
3700         u32 key[4];
3701         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3702         struct iw_point *p = &wrq->u.data;
3703         struct ieee_param *ipw = NULL;
3704
3705         mutex_lock(&priv->wx_mutex);
3706
3707
3708         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3709                 ret = -EINVAL;
3710                 goto out;
3711         }
3712
3713         ipw = memdup_user(p->pointer, p->length);
3714         if (IS_ERR(ipw)) {
3715                 ret = PTR_ERR(ipw);
3716                 goto out;
3717         }
3718
3719         switch (cmd) {
3720         case RTL_IOCTL_WPA_SUPPLICANT:
3721                 /* parse here for HW security */
3722                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3723                         if (ipw->u.crypt.set_tx) {
3724                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3725                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3726                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3727                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3728                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3729                                         if (ipw->u.crypt.key_len == 13)
3730                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3731                                         else if (ipw->u.crypt.key_len == 5)
3732                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3733                                 } else {
3734                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3735                                 }
3736
3737                                 if (ieee->pairwise_key_type) {
3738                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3739                                         EnableHWSecurityConfig8192(dev);
3740                                         /* We fill both index entry and 4th
3741                                          * entry for pairwise key as in IPW
3742                                          * interface, adhoc will only get here,
3743                                          * so we need index entry for its
3744                                          * default key serching!
3745                                          */
3746                                         setKey(dev, 4, ipw->u.crypt.idx,
3747                                                ieee->pairwise_key_type,
3748                                                (u8 *)ieee->ap_mac_addr,
3749                                                0, key);
3750                                         if (ieee->auth_mode != 2)
3751                                                 setKey(dev, ipw->u.crypt.idx,
3752                                                        ipw->u.crypt.idx,
3753                                                        ieee->pairwise_key_type,
3754                                                        (u8 *)ieee->ap_mac_addr,
3755                                                        0, key);
3756                                 }
3757                         } else {
3758                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3759                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3760                                         ieee->group_key_type = KEY_TYPE_CCMP;
3761                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3762                                         ieee->group_key_type = KEY_TYPE_TKIP;
3763                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3764                                         if (ipw->u.crypt.key_len == 13)
3765                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3766                                         else if (ipw->u.crypt.key_len == 5)
3767                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3768                                 } else {
3769                                         ieee->group_key_type = KEY_TYPE_NA;
3770                                 }
3771
3772                                 if (ieee->group_key_type) {
3773                                         setKey(dev, ipw->u.crypt.idx,
3774                                                /* KeyIndex */
3775                                                ipw->u.crypt.idx,
3776                                                /* KeyType */
3777                                                ieee->group_key_type,
3778                                                /* MacAddr */
3779                                                broadcast_addr,
3780                                                /* DefaultKey */
3781                                                0,
3782                                                /* KeyContent */
3783                                                key);
3784                                 }
3785                         }
3786                 }
3787                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3788                                                      &wrq->u.data);
3789                 break;
3790
3791         default:
3792                 ret = -EOPNOTSUPP;
3793                 break;
3794         }
3795         kfree(ipw);
3796         ipw = NULL;
3797 out:
3798         mutex_unlock(&priv->wx_mutex);
3799         return ret;
3800 }
3801
3802 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3803 {
3804         u8  ret_rate = 0xff;
3805
3806         if (!bIsHT) {
3807                 switch (rate) {
3808                 case DESC90_RATE1M:
3809                         ret_rate = MGN_1M;
3810                         break;
3811                 case DESC90_RATE2M:
3812                         ret_rate = MGN_2M;
3813                         break;
3814                 case DESC90_RATE5_5M:
3815                         ret_rate = MGN_5_5M;
3816                         break;
3817                 case DESC90_RATE11M:
3818                         ret_rate = MGN_11M;
3819                         break;
3820                 case DESC90_RATE6M:
3821                         ret_rate = MGN_6M;
3822                         break;
3823                 case DESC90_RATE9M:
3824                         ret_rate = MGN_9M;
3825                         break;
3826                 case DESC90_RATE12M:
3827                         ret_rate = MGN_12M;
3828                         break;
3829                 case DESC90_RATE18M:
3830                         ret_rate = MGN_18M;
3831                         break;
3832                 case DESC90_RATE24M:
3833                         ret_rate = MGN_24M;
3834                         break;
3835                 case DESC90_RATE36M:
3836                         ret_rate = MGN_36M;
3837                         break;
3838                 case DESC90_RATE48M:
3839                         ret_rate = MGN_48M;
3840                         break;
3841                 case DESC90_RATE54M:
3842                         ret_rate = MGN_54M;
3843                         break;
3844
3845                 default:
3846                         ret_rate = 0xff;
3847                         RT_TRACE(COMP_RECV,
3848                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3849                                  rate, bIsHT);
3850                         break;
3851                 }
3852
3853         } else {
3854                 switch (rate) {
3855                 case DESC90_RATEMCS0:
3856                         ret_rate = MGN_MCS0;
3857                         break;
3858                 case DESC90_RATEMCS1:
3859                         ret_rate = MGN_MCS1;
3860                         break;
3861                 case DESC90_RATEMCS2:
3862                         ret_rate = MGN_MCS2;
3863                         break;
3864                 case DESC90_RATEMCS3:
3865                         ret_rate = MGN_MCS3;
3866                         break;
3867                 case DESC90_RATEMCS4:
3868                         ret_rate = MGN_MCS4;
3869                         break;
3870                 case DESC90_RATEMCS5:
3871                         ret_rate = MGN_MCS5;
3872                         break;
3873                 case DESC90_RATEMCS6:
3874                         ret_rate = MGN_MCS6;
3875                         break;
3876                 case DESC90_RATEMCS7:
3877                         ret_rate = MGN_MCS7;
3878                         break;
3879                 case DESC90_RATEMCS8:
3880                         ret_rate = MGN_MCS8;
3881                         break;
3882                 case DESC90_RATEMCS9:
3883                         ret_rate = MGN_MCS9;
3884                         break;
3885                 case DESC90_RATEMCS10:
3886                         ret_rate = MGN_MCS10;
3887                         break;
3888                 case DESC90_RATEMCS11:
3889                         ret_rate = MGN_MCS11;
3890                         break;
3891                 case DESC90_RATEMCS12:
3892                         ret_rate = MGN_MCS12;
3893                         break;
3894                 case DESC90_RATEMCS13:
3895                         ret_rate = MGN_MCS13;
3896                         break;
3897                 case DESC90_RATEMCS14:
3898                         ret_rate = MGN_MCS14;
3899                         break;
3900                 case DESC90_RATEMCS15:
3901                         ret_rate = MGN_MCS15;
3902                         break;
3903                 case DESC90_RATEMCS32:
3904                         ret_rate = 0x80 | 0x20;
3905                         break;
3906
3907                 default:
3908                         ret_rate = 0xff;
3909                         RT_TRACE(COMP_RECV,
3910                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3911                                  rate, bIsHT);
3912                         break;
3913                 }
3914         }
3915
3916         return ret_rate;
3917 }
3918
3919 /**
3920  * Function:     UpdateRxPktTimeStamp
3921  * Overview:     Record the TSF time stamp when receiving a packet
3922  *
3923  * Input:
3924  *       PADAPTER        Adapter
3925  *       PRT_RFD         pRfd,
3926  *
3927  * Output:
3928  *       PRT_RFD         pRfd
3929  *                               (pRfd->Status.TimeStampHigh is updated)
3930  *                               (pRfd->Status.TimeStampLow is updated)
3931  * Return:
3932  *               None
3933  */
3934 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3935                                      struct ieee80211_rx_stats *stats)
3936 {
3937         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3938
3939         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3940                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3941                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3942         } else {
3943                 priv->LastRxDescTSFLow = stats->mac_time[0];
3944                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3945         }
3946 }
3947
3948 /* 0-100 index. */
3949 static long rtl819x_translate_todbm(u8 signal_strength_index)
3950 {
3951         long    signal_power; /* in dBm. */
3952
3953         /* Translate to dBm (x=0.5y-95). */
3954         signal_power = (long)((signal_strength_index + 1) >> 1);
3955         signal_power -= 95;
3956
3957         return signal_power;
3958 }
3959
3960
3961 /* We can not declare RSSI/EVM total value of sliding window to
3962  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3963  * value will be kept in memory or disk. Declare the value in the adaptor
3964  * and it will be reinitialized when returned from S3/S4.
3965  */
3966 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3967                                     struct ieee80211_rx_stats *pprevious_stats,
3968                                     struct ieee80211_rx_stats *pcurrent_stats)
3969 {
3970         bool bcheck = false;
3971         u8      rfpath;
3972         u32     nspatial_stream, tmp_val;
3973         static u32 slide_rssi_index, slide_rssi_statistics;
3974         static u32 slide_evm_index, slide_evm_statistics;
3975         static u32 last_rssi, last_evm;
3976
3977         static u32 slide_beacon_adc_pwdb_index;
3978         static u32 slide_beacon_adc_pwdb_statistics;
3979         static u32 last_beacon_adc_pwdb;
3980
3981         struct rtl_80211_hdr_3addr *hdr;
3982         u16 sc;
3983         unsigned int frag, seq;
3984
3985         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3986         sc = le16_to_cpu(hdr->seq_ctl);
3987         frag = WLAN_GET_SEQ_FRAG(sc);
3988         seq = WLAN_GET_SEQ_SEQ(sc);
3989         /* to record the sequence number */
3990         pcurrent_stats->Seq_Num = seq;
3991
3992         /* Check whether we should take the previous packet into accounting */
3993         if (!pprevious_stats->bIsAMPDU) {
3994                 /* if previous packet is not aggregated packet */
3995                 bcheck = true;
3996         }
3997
3998         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3999                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4000                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4001                 priv->stats.slide_rssi_total -= last_rssi;
4002         }
4003         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4004
4005         priv->stats.slide_signal_strength[slide_rssi_index++] =
4006                 pprevious_stats->SignalStrength;
4007         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4008                 slide_rssi_index = 0;
4009
4010         /* <1> Showed on UI for user, in dbm */
4011         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4012         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4013         pcurrent_stats->rssi = priv->stats.signal_strength;
4014
4015         /* If the previous packet does not match the criteria, neglect it */
4016         if (!pprevious_stats->bPacketMatchBSSID) {
4017                 if (!pprevious_stats->bToSelfBA)
4018                         return;
4019         }
4020
4021         if (!bcheck)
4022                 return;
4023
4024
4025         /* only rtl8190 supported
4026          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4027          */
4028
4029         /* Check RSSI */
4030         priv->stats.num_process_phyinfo++;
4031
4032         /* record the general signal strength to the sliding window. */
4033
4034
4035         /* <2> Showed on UI for engineering
4036          * hardware does not provide rssi information for each rf path in CCK
4037          */
4038         if (!pprevious_stats->bIsCCK &&
4039             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4040                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4041                         if (!rtl8192_phy_CheckIsLegalRFPath(
4042                                         priv->ieee80211->dev, rfpath))
4043                                 continue;
4044
4045                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4046                                 priv->stats.rx_rssi_percentage[rfpath] =
4047                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4048                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4049                                 priv->stats.rx_rssi_percentage[rfpath] =
4050                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4051                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4052                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4053                         } else {
4054                                 priv->stats.rx_rssi_percentage[rfpath] =
4055                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4056                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4057                         }
4058                         RT_TRACE(COMP_DBG,
4059                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4060                                  priv->stats.rx_rssi_percentage[rfpath]);
4061                 }
4062         }
4063
4064
4065         /* Check PWDB. */
4066         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4067                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4068                  pprevious_stats->RxPWDBAll);
4069
4070         if (pprevious_stats->bPacketBeacon) {
4071                 /* record the beacon pwdb to the sliding window. */
4072                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4073                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4074                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4075                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4076                 }
4077                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4078                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4079                 slide_beacon_adc_pwdb_index++;
4080                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4081                         slide_beacon_adc_pwdb_index = 0;
4082                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4083                 if (pprevious_stats->RxPWDBAll >= 3)
4084                         pprevious_stats->RxPWDBAll -= 3;
4085         }
4086
4087         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4088                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4089                  pprevious_stats->RxPWDBAll);
4090
4091
4092         if (pprevious_stats->bPacketToSelf ||
4093             pprevious_stats->bPacketBeacon ||
4094             pprevious_stats->bToSelfBA) {
4095                 if (priv->undecorated_smoothed_pwdb < 0)
4096                         /* initialize */
4097                         priv->undecorated_smoothed_pwdb =
4098                                 pprevious_stats->RxPWDBAll;
4099                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4100                         priv->undecorated_smoothed_pwdb =
4101                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4102                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4103                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4104                 } else {
4105                         priv->undecorated_smoothed_pwdb =
4106                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4107                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4108                 }
4109         }
4110
4111         /* Check EVM */
4112         /* record the general EVM to the sliding window. */
4113         if (pprevious_stats->SignalQuality) {
4114                 if (pprevious_stats->bPacketToSelf ||
4115                     pprevious_stats->bPacketBeacon ||
4116                     pprevious_stats->bToSelfBA) {
4117                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4118                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4119                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4120                                 priv->stats.slide_evm_total -= last_evm;
4121                         }
4122
4123                         priv->stats.slide_evm_total +=
4124                                 pprevious_stats->SignalQuality;
4125
4126                         priv->stats.slide_evm[slide_evm_index++] =
4127                                 pprevious_stats->SignalQuality;
4128                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4129                                 slide_evm_index = 0;
4130
4131                         /* <1> Showed on UI for user, in percentage. */
4132                         tmp_val = priv->stats.slide_evm_total /
4133                                   slide_evm_statistics;
4134                         priv->stats.signal_quality = tmp_val;
4135                         /* Showed on UI for user in Windows Vista,
4136                          * for Link quality.
4137                          */
4138                         priv->stats.last_signal_strength_inpercent = tmp_val;
4139                 }
4140
4141                 /* <2> Showed on UI for engineering */
4142                 if (pprevious_stats->bPacketToSelf ||
4143                     pprevious_stats->bPacketBeacon ||
4144                     pprevious_stats->bToSelfBA) {
4145                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4146                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4147                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4148                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4149                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4150                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4151                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4152                                 }
4153                         }
4154                 }
4155         }
4156 }
4157
4158 /*-----------------------------------------------------------------------------
4159  * Function:    rtl819x_query_rxpwrpercentage()
4160  *
4161  * Overview:
4162  *
4163  * Input:               char            antpower
4164  *
4165  * Output:              NONE
4166  *
4167  * Return:              0-100 percentage
4168  *---------------------------------------------------------------------------*/
4169 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4170 {
4171         if ((antpower <= -100) || (antpower >= 20))
4172                 return  0;
4173         else if (antpower >= 0)
4174                 return  100;
4175         else
4176                 return  100 + antpower;
4177
4178 }       /* QueryRxPwrPercentage */
4179
4180 static u8 rtl819x_evm_dbtopercentage(s8 value)
4181 {
4182         s8 ret_val;
4183
4184         ret_val = value;
4185
4186         if (ret_val >= 0)
4187                 ret_val = 0;
4188         if (ret_val <= -33)
4189                 ret_val = -33;
4190         ret_val = 0 - ret_val;
4191         ret_val *= 3;
4192         if (ret_val == 99)
4193                 ret_val = 100;
4194         return ret_val;
4195 }
4196
4197 /* We want good-looking for signal strength/quality */
4198 static long rtl819x_signal_scale_mapping(long currsig)
4199 {
4200         long retsig;
4201
4202         /* Step 1. Scale mapping. */
4203         if (currsig >= 61 && currsig <= 100)
4204                 retsig = 90 + ((currsig - 60) / 4);
4205         else if (currsig >= 41 && currsig <= 60)
4206                 retsig = 78 + ((currsig - 40) / 2);
4207         else if (currsig >= 31 && currsig <= 40)
4208                 retsig = 66 + (currsig - 30);
4209         else if (currsig >= 21 && currsig <= 30)
4210                 retsig = 54 + (currsig - 20);
4211         else if (currsig >= 5 && currsig <= 20)
4212                 retsig = 42 + (((currsig - 5) * 2) / 3);
4213         else if (currsig == 4)
4214                 retsig = 36;
4215         else if (currsig == 3)
4216                 retsig = 27;
4217         else if (currsig == 2)
4218                 retsig = 18;
4219         else if (currsig == 1)
4220                 retsig = 9;
4221         else
4222                 retsig = currsig;
4223
4224         return retsig;
4225 }
4226
4227 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4228 {
4229         if (pdrvinfo->RxHT)
4230                 return false;
4231
4232         switch (pdrvinfo->RxRate) {
4233         case DESC90_RATE1M:
4234         case DESC90_RATE2M:
4235         case DESC90_RATE5_5M:
4236         case DESC90_RATE11M:
4237                 return true;
4238         default:
4239                 return false;
4240         }
4241 }
4242
4243 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4244                                       struct ieee80211_rx_stats *pstats,
4245                                       rx_drvinfo_819x_usb  *pdrvinfo,
4246                                       struct ieee80211_rx_stats *precord_stats,
4247                                       bool bpacket_match_bssid,
4248                                       bool bpacket_toself,
4249                                       bool bPacketBeacon,
4250                                       bool bToSelfBA)
4251 {
4252         phy_sts_ofdm_819xusb_t *pofdm_buf;
4253         phy_sts_cck_819xusb_t   *pcck_buf;
4254         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4255         u8      *prxpkt;
4256         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4257         s8      rx_pwr[4], rx_pwr_all = 0;
4258         s8      rx_snrX, rx_evmX;
4259         u8      evm, pwdb_all;
4260         u32     RSSI, total_rssi = 0;
4261         u8      is_cck_rate = 0;
4262         u8      rf_rx_num = 0;
4263         u8      sq;
4264
4265
4266         priv->stats.numqry_phystatus++;
4267
4268         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4269
4270         /* Record it for next packet processing */
4271         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4272         pstats->bPacketMatchBSSID =
4273                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4274         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4275         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4276         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4277         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4278
4279         prxpkt = (u8 *)pdrvinfo;
4280
4281         /* Move pointer to the 16th bytes. Phy status start address. */
4282         prxpkt += sizeof(rx_drvinfo_819x_usb);
4283
4284         /* Initial the cck and ofdm buffer pointer */
4285         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4286         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4287
4288         pstats->RxMIMOSignalQuality[0] = -1;
4289         pstats->RxMIMOSignalQuality[1] = -1;
4290         precord_stats->RxMIMOSignalQuality[0] = -1;
4291         precord_stats->RxMIMOSignalQuality[1] = -1;
4292
4293         if (is_cck_rate) {
4294                 /* (1)Hardware does not provide RSSI for CCK */
4295
4296                 /* (2)PWDB, Average PWDB calculated by hardware
4297                  * (for rate adaptive)
4298                  */
4299                 u8 report;
4300
4301                 priv->stats.numqry_phystatusCCK++;
4302
4303                 if (!priv->bCckHighPower) {
4304                         report = pcck_buf->cck_agc_rpt & 0xc0;
4305                         report >>= 6;
4306                         switch (report) {
4307                         case 0x3:
4308                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4309                                 break;
4310                         case 0x2:
4311                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4312                                 break;
4313                         case 0x1:
4314                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4315                                 break;
4316                         case 0x0:
4317                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4318                                 break;
4319                         }
4320                 } else {
4321                         report = pcck_buf->cck_agc_rpt & 0x60;
4322                         report >>= 5;
4323                         switch (report) {
4324                         case 0x3:
4325                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4326                                 break;
4327                         case 0x2:
4328                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4329                                 break;
4330                         case 0x1:
4331                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4332                                 break;
4333                         case 0x0:
4334                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4335                                 break;
4336                         }
4337                 }
4338
4339                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4340                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4341                 pstats->RecvSignalPower = pwdb_all;
4342
4343                 /* (3) Get Signal Quality (EVM) */
4344
4345                 if (pstats->RxPWDBAll > 40) {
4346                         sq = 100;
4347                 } else {
4348                         sq = pcck_buf->sq_rpt;
4349
4350                         if (pcck_buf->sq_rpt > 64)
4351                                 sq = 0;
4352                         else if (pcck_buf->sq_rpt < 20)
4353                                 sq = 100;
4354                         else
4355                                 sq = ((64 - sq) * 100) / 44;
4356                 }
4357                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4358                 pstats->RxMIMOSignalQuality[0] =
4359                         precord_stats->RxMIMOSignalQuality[0] = sq;
4360                 pstats->RxMIMOSignalQuality[1] =
4361                         precord_stats->RxMIMOSignalQuality[1] = -1;
4362
4363         } else {
4364                 priv->stats.numqry_phystatusHT++;
4365
4366                 /* (1)Get RSSI for HT rate */
4367                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4368                         /* We will judge RF RX path now. */
4369                         if (priv->brfpath_rxenable[i])
4370                                 rf_rx_num++;
4371                         else
4372                                 continue;
4373
4374                         if (!rtl8192_phy_CheckIsLegalRFPath(
4375                                         priv->ieee80211->dev, i))
4376                                 continue;
4377
4378                         rx_pwr[i] =
4379                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4380
4381                         /* Get Rx snr value in DB */
4382                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4383                         rx_snrX = (s8)(tmp_rxsnr);
4384                         rx_snrX /= 2;
4385                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4386
4387                         /* Translate DBM to percentage. */
4388                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4389                         total_rssi += RSSI;
4390
4391                         /* Record Signal Strength for next packet */
4392                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4393                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4394                 }
4395
4396
4397                 /* (2)PWDB, Average PWDB calculated by hardware
4398                  * (for rate adaptive)
4399                  */
4400                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4401                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4402
4403                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4404                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4405
4406                 /* (3)EVM of HT rate */
4407                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4408                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4409                         /* both spatial stream make sense */
4410                         max_spatial_stream = 2;
4411                 else
4412                         /* only spatial stream 1 makes sense */
4413                         max_spatial_stream = 1;
4414
4415                 for (i = 0; i < max_spatial_stream; i++) {
4416                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4417                         rx_evmX = (s8)(tmp_rxevm);
4418
4419                         /* Do not use shift operation like "rx_evmX >>= 1"
4420                          * because the compiler of free build environment will
4421                          * set the most significant bit to "zero" when doing
4422                          * shifting operation which may change a negative value
4423                          * to positive one, then the dbm value (which is
4424                          * supposed to be negative) is not correct anymore.
4425                          */
4426                         rx_evmX /= 2;   /* dbm */
4427
4428                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4429                         if (i == 0)
4430                                 /* Fill value in RFD, Get the first spatial
4431                                  * stream only
4432                                  */
4433                                 pstats->SignalQuality =
4434                                         precord_stats->SignalQuality =
4435                                         evm & 0xff;
4436                         pstats->RxMIMOSignalQuality[i] =
4437                                 precord_stats->RxMIMOSignalQuality[i] =
4438                                 evm & 0xff;
4439                 }
4440
4441
4442                 /* record rx statistics for debug */
4443                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4444                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4445                         &rxsc_sgien_exflg;
4446                 if (pdrvinfo->BW)       /* 40M channel */
4447                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4448                 else                    /* 20M channel */
4449                         priv->stats.received_bwtype[0]++;
4450         }
4451
4452         /* UI BSS List signal strength(in percentage), make it good looking,
4453          * from 0~100. It is assigned to the BSS List in
4454          * GetValueFromBeaconOrProbeRsp().
4455          */
4456         if (is_cck_rate) {
4457                 pstats->SignalStrength =
4458                         precord_stats->SignalStrength =
4459                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4460         } else {
4461                 /* We can judge RX path number now. */
4462                 if (rf_rx_num != 0) {
4463                         pstats->SignalStrength =
4464                                 precord_stats->SignalStrength =
4465                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4466                 }
4467         }
4468 }       /* QueryRxPhyStatus8190Pci */
4469
4470 static void rtl8192_record_rxdesc_forlateruse(
4471                 struct ieee80211_rx_stats *psrc_stats,
4472                 struct ieee80211_rx_stats *ptarget_stats)
4473 {
4474         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4475         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4476         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4477 }
4478
4479
4480 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4481                                           struct ieee80211_rx_stats *pstats,
4482                                           rx_drvinfo_819x_usb  *pdrvinfo)
4483 {
4484         /* TODO: We must only check packet for current MAC address.
4485          * Not finish
4486          */
4487         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4488         struct net_device *dev = info->dev;
4489         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4490         bool bpacket_match_bssid, bpacket_toself;
4491         bool bPacketBeacon = false, bToSelfBA = false;
4492         static struct ieee80211_rx_stats  previous_stats;
4493         struct rtl_80211_hdr_3addr *hdr;
4494         u16 fc, type;
4495
4496         /* Get Signal Quality for only RX data queue (but not command queue) */
4497
4498         u8 *tmp_buf;
4499         u8  *praddr;
4500
4501         /* Get MAC frame start address. */
4502         tmp_buf = (u8 *)skb->data;
4503
4504         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4505         fc = le16_to_cpu(hdr->frame_ctl);
4506         type = WLAN_FC_GET_TYPE(fc);
4507         praddr = hdr->addr1;
4508
4509         /* Check if the received packet is acceptable. */
4510         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4511                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4512                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4513         bpacket_toself =  bpacket_match_bssid &
4514                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4515
4516         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4517                 bPacketBeacon = true;
4518         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4519                 if ((eqMacAddr(praddr, dev->dev_addr)))
4520                         bToSelfBA = true;
4521         }
4522
4523
4524
4525         if (bpacket_match_bssid)
4526                 priv->stats.numpacket_matchbssid++;
4527         if (bpacket_toself)
4528                 priv->stats.numpacket_toself++;
4529         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4530          * Because phy information is contained in the last packet of AMPDU
4531          * only, so driver should process phy information of previous packet
4532          */
4533         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4534         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4535                                   bpacket_match_bssid, bpacket_toself,
4536                                   bPacketBeacon, bToSelfBA);
4537         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4538 }
4539
4540 /**
4541 * Function:     UpdateReceivedRateHistogramStatistics
4542 * Overview:     Record the received data rate
4543 *
4544 * Input:
4545 *       struct net_device *dev
4546 *       struct ieee80211_rx_stats *stats
4547 *
4548 * Output:
4549 *
4550 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4551 * Return:
4552 *               None
4553 */
4554 static void
4555 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4556                                           struct ieee80211_rx_stats *stats)
4557 {
4558         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4559         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4560         u32 rcvType = 1;
4561         u32 rateIndex;
4562         /* 1: short preamble/GI, 0: long preamble/GI */
4563         u32 preamble_guardinterval;
4564
4565
4566         if (stats->bCRC)
4567                 rcvType = 2;
4568         else if (stats->bICV)
4569                 rcvType = 3;
4570
4571         if (stats->bShortPreamble)
4572                 preamble_guardinterval = 1; /* short */
4573         else
4574                 preamble_guardinterval = 0; /* long */
4575
4576         switch (stats->rate) {
4577         /* CCK rate */
4578         case MGN_1M:
4579                 rateIndex = 0;
4580                 break;
4581         case MGN_2M:
4582                 rateIndex = 1;
4583                 break;
4584         case MGN_5_5M:
4585                 rateIndex = 2;
4586                 break;
4587         case MGN_11M:
4588                 rateIndex = 3;
4589                 break;
4590         /* Legacy OFDM rate */
4591         case MGN_6M:
4592                 rateIndex = 4;
4593                 break;
4594         case MGN_9M:
4595                 rateIndex = 5;
4596                 break;
4597         case MGN_12M:
4598                 rateIndex = 6;
4599                 break;
4600         case MGN_18M:
4601                 rateIndex = 7;
4602                 break;
4603         case MGN_24M:
4604                 rateIndex = 8;
4605                 break;
4606         case MGN_36M:
4607                 rateIndex = 9;
4608                 break;
4609         case MGN_48M:
4610                 rateIndex = 10;
4611                 break;
4612         case MGN_54M:
4613                 rateIndex = 11;
4614                 break;
4615         /* 11n High throughput rate */
4616         case MGN_MCS0:
4617                 rateIndex = 12;
4618                 break;
4619         case MGN_MCS1:
4620                 rateIndex = 13;
4621                 break;
4622         case MGN_MCS2:
4623                 rateIndex = 14;
4624                 break;
4625         case MGN_MCS3:
4626                 rateIndex = 15;
4627                 break;
4628         case MGN_MCS4:
4629                 rateIndex = 16;
4630                 break;
4631         case MGN_MCS5:
4632                 rateIndex = 17;
4633                 break;
4634         case MGN_MCS6:
4635                 rateIndex = 18;
4636                 break;
4637         case MGN_MCS7:
4638                 rateIndex = 19;
4639                 break;
4640         case MGN_MCS8:
4641                 rateIndex = 20;
4642                 break;
4643         case MGN_MCS9:
4644                 rateIndex = 21;
4645                 break;
4646         case MGN_MCS10:
4647                 rateIndex = 22;
4648                 break;
4649         case MGN_MCS11:
4650                 rateIndex = 23;
4651                 break;
4652         case MGN_MCS12:
4653                 rateIndex = 24;
4654                 break;
4655         case MGN_MCS13:
4656                 rateIndex = 25;
4657                 break;
4658         case MGN_MCS14:
4659                 rateIndex = 26;
4660                 break;
4661         case MGN_MCS15:
4662                 rateIndex = 27;
4663                 break;
4664         default:
4665                 rateIndex = 28;
4666                 break;
4667         }
4668         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4669         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4670         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4671 }
4672
4673
4674 static void query_rxdesc_status(struct sk_buff *skb,
4675                                 struct ieee80211_rx_stats *stats,
4676                                 bool bIsRxAggrSubframe)
4677 {
4678         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4679         struct net_device *dev = info->dev;
4680         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4681         rx_drvinfo_819x_usb  *driver_info = NULL;
4682
4683         /* Get Rx Descriptor Information */
4684         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4685
4686         stats->Length = desc->Length;
4687         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4688         stats->RxBufShift = 0;
4689         stats->bICV = desc->ICV;
4690         stats->bCRC = desc->CRC32;
4691         stats->bHwError = stats->bCRC | stats->bICV;
4692         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4693         stats->Decrypted = !desc->SWDec;
4694
4695         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4696             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4697                 stats->bHwError = false;
4698         else
4699                 stats->bHwError = stats->bCRC | stats->bICV;
4700
4701         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4702                 stats->bHwError |= 1;
4703         /* Get Driver Info */
4704         /* TODO: Need to verify it on FGPA platform
4705          * Driver info are written to the RxBuffer following rx desc
4706          */
4707         if (stats->RxDrvInfoSize != 0) {
4708                 driver_info = (rx_drvinfo_819x_usb *)(
4709                                 skb->data
4710                                 + sizeof(rx_desc_819x_usb)
4711                                 + stats->RxBufShift
4712                               );
4713                 /* unit: 0.5M */
4714                 /* TODO */
4715                 if (!stats->bHwError) {
4716                         u8      ret_rate;
4717
4718                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4719                                                    driver_info->RxRate);
4720                         if (ret_rate == 0xff) {
4721                                 /* Abnormal Case: Receive CRC OK packet with Rx
4722                                  * descriptor indicating non supported rate.
4723                                  * Special Error Handling here
4724                                  */
4725
4726                                 stats->bHwError = 1;
4727                                 /* Set 1M rate by default */
4728                                 stats->rate = MGN_1M;
4729                         } else {
4730                                 stats->rate = ret_rate;
4731                         }
4732                 } else {
4733                         stats->rate = 0x02;
4734                 }
4735
4736                 stats->bShortPreamble = driver_info->SPLCP;
4737
4738
4739                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4740
4741                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4742                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4743                                     (driver_info->FirstAGGR == 1);
4744                 stats->TimeStampLow = driver_info->TSFL;
4745
4746                 UpdateRxPktTimeStamp8190(dev, stats);
4747
4748                 /* Rx A-MPDU */
4749                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4750                         RT_TRACE(COMP_RXDESC,
4751                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4752                                  driver_info->FirstAGGR, driver_info->PartAggr);
4753         }
4754
4755         skb_pull(skb, sizeof(rx_desc_819x_usb));
4756         /* Get Total offset of MPDU Frame Body */
4757         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4758                 stats->bShift = 1;
4759                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4760         }
4761
4762         if (driver_info) {
4763                 stats->RxIs40MHzPacket = driver_info->BW;
4764                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4765         }
4766 }
4767
4768 static void rtl8192_rx_nomal(struct sk_buff *skb)
4769 {
4770         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4771         struct net_device *dev = info->dev;
4772         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4773         struct ieee80211_rx_stats stats = {
4774                 .signal = 0,
4775                 .noise = 0x100 - 98,
4776                 .rate = 0,
4777                 .freq = IEEE80211_24GHZ_BAND,
4778         };
4779         u32 rx_pkt_len = 0;
4780         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4781         bool unicast_packet = false;
4782
4783         /* 20 is for ps-poll */
4784         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4785                 /* first packet should not contain Rx aggregation header */
4786                 query_rxdesc_status(skb, &stats, false);
4787                 /* TODO */
4788                 /* hardware related info */
4789                 /* Process the MPDU received */
4790                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4791
4792                 rx_pkt_len = skb->len;
4793                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4794                 unicast_packet = false;
4795                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4796                         /* TODO */
4797                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4798                         /* TODO */
4799                 } else {
4800                         /* unicast packet */
4801                         unicast_packet = true;
4802                 }
4803
4804                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4805                         dev_kfree_skb_any(skb);
4806                 } else {
4807                         priv->stats.rxoktotal++;
4808                         if (unicast_packet)
4809                                 priv->stats.rxbytesunicast += rx_pkt_len;
4810                 }
4811         } else {
4812                 priv->stats.rxurberr++;
4813                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4814                 dev_kfree_skb_any(skb);
4815         }
4816 }
4817
4818 static void rtl819xusb_process_received_packet(
4819                 struct net_device *dev,
4820                 struct ieee80211_rx_stats *pstats)
4821 {
4822         u8      *frame;
4823         u16     frame_len = 0;
4824         struct r8192_priv *priv = ieee80211_priv(dev);
4825
4826         /* Get shifted bytes of Starting address of 802.11 header. */
4827         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4828         frame = pstats->virtual_address;
4829         frame_len = pstats->packetlength;
4830 #ifdef TODO     /* about HCT */
4831         if (!Adapter->bInHctTest)
4832                 CountRxErrStatistics(Adapter, pRfd);
4833 #endif
4834 #ifdef ENABLE_PS  /* for adding ps function in future */
4835         RT_RF_POWER_STATE rtState;
4836         /* When RF is off, we should not count the packet for hw/sw synchronize
4837          * reason, ie. there may be a duration while sw switch is changed and
4838          * hw switch is being changed.
4839          */
4840         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4841                                          (u8 *)(&rtState));
4842         if (rtState == eRfOff)
4843                 return;
4844 #endif
4845         priv->stats.rxframgment++;
4846
4847 #ifdef TODO
4848         RmMonitorSignalStrength(Adapter, pRfd);
4849 #endif
4850         /* We have to release RFD and return if rx pkt is cmd pkt. */
4851         if (rtl819xusb_rx_command_packet(dev, pstats))
4852                 return;
4853
4854 #ifdef SW_CRC_CHECK
4855         SwCrcCheck();
4856 #endif
4857
4858
4859 }
4860
4861 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4862                                         struct ieee80211_rx_stats *stats)
4863 {
4864         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4865
4866         /* Get Rx Descriptor Information */
4867         stats->virtual_address = (u8 *)skb->data;
4868         stats->Length = desc->Length;
4869         stats->RxDrvInfoSize = 0;
4870         stats->RxBufShift = 0;
4871         stats->packetlength = stats->Length - scrclng;
4872         stats->fraglength = stats->packetlength;
4873         stats->fragoffset = 0;
4874         stats->ntotalfrag = 1;
4875 }
4876
4877
4878 static void rtl8192_rx_cmd(struct sk_buff *skb)
4879 {
4880         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4881         struct net_device *dev = info->dev;
4882         /* TODO */
4883         struct ieee80211_rx_stats stats = {
4884                 .signal = 0,
4885                 .noise = 0x100 - 98,
4886                 .rate = 0,
4887                 .freq = IEEE80211_24GHZ_BAND,
4888         };
4889
4890         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4891                 query_rx_cmdpkt_desc_status(skb, &stats);
4892                 /* prfd->queue_id = 1; */
4893
4894                 /* Process the command packet received. */
4895
4896                 rtl819xusb_process_received_packet(dev, &stats);
4897
4898                 dev_kfree_skb_any(skb);
4899         }
4900 }
4901
4902 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4903 {
4904         struct sk_buff *skb;
4905         struct rtl8192_rx_info *info;
4906
4907         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4908                 info = (struct rtl8192_rx_info *)skb->cb;
4909                 switch (info->out_pipe) {
4910                 /* Nomal packet pipe */
4911                 case 3:
4912                         priv->IrpPendingCount--;
4913                         rtl8192_rx_nomal(skb);
4914                         break;
4915
4916                 /* Command packet pipe */
4917                 case 9:
4918                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4919                                  info->out_pipe);
4920
4921                         rtl8192_rx_cmd(skb);
4922                         break;
4923
4924                 default: /* should never get here! */
4925                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4926                                  info->out_pipe);
4927                         dev_kfree_skb(skb);
4928                         break;
4929                 }
4930         }
4931 }
4932
4933 static const struct net_device_ops rtl8192_netdev_ops = {
4934         .ndo_open               = rtl8192_open,
4935         .ndo_stop               = rtl8192_close,
4936         .ndo_get_stats          = rtl8192_stats,
4937         .ndo_tx_timeout         = tx_timeout,
4938         .ndo_do_ioctl           = rtl8192_ioctl,
4939         .ndo_set_rx_mode        = r8192_set_multicast,
4940         .ndo_set_mac_address    = r8192_set_mac_adr,
4941         .ndo_validate_addr      = eth_validate_addr,
4942         .ndo_change_mtu         = eth_change_mtu,
4943         .ndo_start_xmit         = ieee80211_xmit,
4944 };
4945
4946
4947 /****************************************************************************
4948      ---------------------------- USB_STUFF---------------------------
4949 *****************************************************************************/
4950
4951 static int rtl8192_usb_probe(struct usb_interface *intf,
4952                              const struct usb_device_id *id)
4953 {
4954         struct net_device *dev = NULL;
4955         struct r8192_priv *priv = NULL;
4956         struct usb_device *udev = interface_to_usbdev(intf);
4957         int ret;
4958
4959         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4960
4961         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4962         if (!dev)
4963                 return -ENOMEM;
4964
4965         usb_set_intfdata(intf, dev);
4966         SET_NETDEV_DEV(dev, &intf->dev);
4967         priv = ieee80211_priv(dev);
4968         priv->ieee80211 = netdev_priv(dev);
4969         priv->udev = udev;
4970
4971         dev->netdev_ops = &rtl8192_netdev_ops;
4972
4973         dev->wireless_handlers = &r8192_wx_handlers_def;
4974
4975         dev->type = ARPHRD_ETHER;
4976
4977         dev->watchdog_timeo = HZ * 3;
4978
4979         if (dev_alloc_name(dev, ifname) < 0) {
4980                 RT_TRACE(COMP_INIT,
4981                          "Oops: devname already taken! Trying wlan%%d...\n");
4982                 ifname = "wlan%d";
4983                 dev_alloc_name(dev, ifname);
4984         }
4985
4986         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4987         if (rtl8192_init(dev) != 0) {
4988                 RT_TRACE(COMP_ERR, "Initialization failed");
4989                 ret = -ENODEV;
4990                 goto fail;
4991         }
4992         netif_carrier_off(dev);
4993         netif_stop_queue(dev);
4994
4995         ret = register_netdev(dev);
4996         if (ret)
4997                 goto fail2;
4998
4999         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5000         rtl8192_proc_init_one(dev);
5001
5002
5003         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5004         return 0;
5005
5006 fail2:
5007         rtl8192_down(dev);
5008         kfree(priv->pFirmware);
5009         priv->pFirmware = NULL;
5010         rtl8192_usb_deleteendpoints(dev);
5011         mdelay(10);
5012 fail:
5013         free_ieee80211(dev);
5014
5015         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5016         return ret;
5017 }
5018
5019 /* detach all the work and timer structure declared or inititialize
5020  * in r8192U_init function.
5021  */
5022 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5023 {
5024         cancel_work_sync(&priv->reset_wq);
5025         cancel_delayed_work(&priv->watch_dog_wq);
5026         cancel_delayed_work(&priv->update_beacon_wq);
5027         cancel_work_sync(&priv->qos_activate);
5028 }
5029
5030
5031 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5032 {
5033         struct net_device *dev = usb_get_intfdata(intf);
5034         struct r8192_priv *priv = ieee80211_priv(dev);
5035
5036         if (dev) {
5037                 unregister_netdev(dev);
5038
5039                 RT_TRACE(COMP_DOWN,
5040                          "=============>wlan driver to be removed\n");
5041                 rtl8192_proc_remove_one(dev);
5042
5043                 rtl8192_down(dev);
5044                 kfree(priv->pFirmware);
5045                 priv->pFirmware = NULL;
5046                 rtl8192_usb_deleteendpoints(dev);
5047                 mdelay(10);
5048         }
5049         free_ieee80211(dev);
5050         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5051 }
5052
5053 static int __init rtl8192_usb_module_init(void)
5054 {
5055         int ret;
5056
5057 #ifdef CONFIG_IEEE80211_DEBUG
5058         ret = ieee80211_debug_init();
5059         if (ret) {
5060                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5061                 return ret;
5062         }
5063 #endif
5064         ret = ieee80211_crypto_init();
5065         if (ret) {
5066                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5067                 return ret;
5068         }
5069
5070         ret = ieee80211_crypto_tkip_init();
5071         if (ret) {
5072                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5073                 return ret;
5074         }
5075
5076         ret = ieee80211_crypto_ccmp_init();
5077         if (ret) {
5078                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5079                 return ret;
5080         }
5081
5082         ret = ieee80211_crypto_wep_init();
5083         if (ret) {
5084                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5085                 return ret;
5086         }
5087
5088         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5089         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5090         RT_TRACE(COMP_INIT, "Initializing module");
5091         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5092         rtl8192_proc_module_init();
5093         return usb_register(&rtl8192_usb_driver);
5094 }
5095
5096
5097 static void __exit rtl8192_usb_module_exit(void)
5098 {
5099         usb_deregister(&rtl8192_usb_driver);
5100
5101         RT_TRACE(COMP_DOWN, "Exiting");
5102 }
5103
5104 void EnableHWSecurityConfig8192(struct net_device *dev)
5105 {
5106         u8 SECR_value = 0x0;
5107         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5108         struct ieee80211_device *ieee = priv->ieee80211;
5109
5110         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5111         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5112                 SECR_value |= SCR_RxUseDK;
5113                 SECR_value |= SCR_TxUseDK;
5114         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5115                 SECR_value |= SCR_RxUseDK;
5116                 SECR_value |= SCR_TxUseDK;
5117         }
5118         /* add HWSec active enable here.
5119          * default using hwsec. when peer AP is in N mode only and
5120          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5121          * it), use software security. when peer AP is in b,g,n mode mixed and
5122          * pairwise_key_type is none_aes, use g mode hw security.
5123          */
5124
5125         ieee->hwsec_active = 1;
5126
5127         /* add hwsec_support flag to totol control hw_sec on/off */
5128         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5129                 ieee->hwsec_active = 0;
5130                 SECR_value &= ~SCR_RxDecEnable;
5131         }
5132         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5133                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5134                  SECR_value);
5135         write_nic_byte(dev, SECR,  SECR_value);
5136 }
5137
5138
5139 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5140             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5141 {
5142         u32 TargetCommand = 0;
5143         u32 TargetContent = 0;
5144         u16 usConfig = 0;
5145         u8 i;
5146
5147         if (EntryNo >= TOTAL_CAM_ENTRY)
5148                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5149
5150         RT_TRACE(COMP_SEC,
5151                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5152                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5153
5154         if (DefaultKey)
5155                 usConfig |= BIT(15) | (KeyType << 2);
5156         else
5157                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5158
5159
5160         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5161                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5162                 TargetCommand |= BIT(31) | BIT(16);
5163
5164                 if (i == 0) { /* MAC|Config */
5165                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5166                                         (u32)(*(MacAddr + 1)) << 24 |
5167                                         (u32)usConfig;
5168
5169                         write_nic_dword(dev, WCAMI, TargetContent);
5170                         write_nic_dword(dev, RWCAM, TargetCommand);
5171                 } else if (i == 1) { /* MAC */
5172                         TargetContent = (u32)(*(MacAddr + 2))    |
5173                                         (u32)(*(MacAddr + 3)) <<  8 |
5174                                         (u32)(*(MacAddr + 4)) << 16 |
5175                                         (u32)(*(MacAddr + 5)) << 24;
5176                         write_nic_dword(dev, WCAMI, TargetContent);
5177                         write_nic_dword(dev, RWCAM, TargetCommand);
5178                 } else {
5179                         /* Key Material */
5180                         if (KeyContent) {
5181                                 write_nic_dword(dev, WCAMI,
5182                                                 *(KeyContent + i - 2));
5183                                 write_nic_dword(dev, RWCAM, TargetCommand);
5184                         }
5185                 }
5186         }
5187 }
5188
5189 /***************************************************************************
5190      ------------------- module init / exit stubs ----------------
5191 ****************************************************************************/
5192 module_init(rtl8192_usb_module_init);
5193 module_exit(rtl8192_usb_module_exit);