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, S_IRUGO | S_IWUSR);
 118 module_param(hwwep, int, S_IRUGO | S_IWUSR);
 119 module_param(channels, int, S_IRUGO | S_IWUSR);
 120
 121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
 122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
 123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 124
 125 static int rtl8192_usb_probe(struct usb_interface *intf,
 126                              const struct usb_device_id *id);
 127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
 128
 129
 130 static struct usb_driver rtl8192_usb_driver = {
 131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
 132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
 133         .probe          = rtl8192_usb_probe,              /* probe fn      */
 134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
 135         .suspend        = NULL,                           /* PM suspend fn */
 136         .resume         = NULL,                           /* PM resume fn  */
 137 };
 138
 139
 140 struct CHANNEL_LIST {
 141         u8      Channel[32];
 142         u8      Len;
 143 };
 144
 145 static struct CHANNEL_LIST ChannelPlan[] = {
 146         /* FCC */
 147         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
 148         /* IC */
 149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
 150         /* ETSI */
 151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
 152         /* Spain. Change to ETSI. */
 153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 154         /* France. Change to ETSI. */
 155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 156         /* MKK */
 157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 158         /* MKK1 */
 159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 160         /* Israel. */
 161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 162         /* For 11a , TELEC */
 163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 164         /* MIC */
 165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
 167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 168 };
 169
 170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 171 {
 172         int i, max_chan = -1, min_chan = -1;
 173         struct ieee80211_device *ieee = priv->ieee80211;
 174
 175         switch (channel_plan) {
 176         case COUNTRY_CODE_FCC:
 177         case COUNTRY_CODE_IC:
 178         case COUNTRY_CODE_ETSI:
 179         case COUNTRY_CODE_SPAIN:
 180         case COUNTRY_CODE_FRANCE:
 181         case COUNTRY_CODE_MKK:
 182         case COUNTRY_CODE_MKK1:
 183         case COUNTRY_CODE_ISRAEL:
 184         case COUNTRY_CODE_TELEC:
 185         case COUNTRY_CODE_MIC:
 186                 Dot11d_Init(ieee);
 187                 ieee->bGlobalDomain = false;
 188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
 189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
 190                         min_chan = 1;
 191                         max_chan = 14;
 192                 } else {
 193                         RT_TRACE(COMP_ERR,
 194                                  "unknown rf chip, can't set channel map in function:%s()\n",
 195                                  __func__);
 196                 }
 197                 if (ChannelPlan[channel_plan].Len != 0) {
 198                         /* Clear old channel map */
 199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 201                         /* Set new channel map */
 202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 204                                         break;
 205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 206                         }
 207                 }
 208                 break;
 209
 210         case COUNTRY_CODE_GLOBAL_DOMAIN:
 211                 /* this flag enabled to follow 11d country IE setting,
 212                  * otherwise, it shall follow global domain settings.
 213                  */
 214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
 215                 Dot11d_Reset(ieee);
 216                 ieee->bGlobalDomain = true;
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222 }
 223
 224
 225
 226
 227 static void CamResetAllEntry(struct net_device *dev)
 228 {
 229         u32 ulcommand = 0;
 230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
 231          * associate to AP. However, ResetKey is called on
 232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
 233          * condition, Cam can not be reset because upper layer will not set
 234          * this static key again.
 235          */
 236         ulcommand |= BIT(31) | BIT(30);
 237         write_nic_dword(dev, RWCAM, ulcommand);
 238 }
 239
 240
 241 void write_cam(struct net_device *dev, u8 addr, u32 data)
 242 {
 243         write_nic_dword(dev, WCAMI, data);
 244         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
 245 }
 246
 247 u32 read_cam(struct net_device *dev, u8 addr)
 248 {
 249         u32 data;
 250
 251         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 252         read_nic_dword(dev, 0xa8, &data);
 253         return data;
 254 }
 255
 256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 257 {
 258         int status;
 259         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 260         struct usb_device *udev = priv->udev;
 261         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 262
 263         if (!usbdata)
 264                 return -ENOMEM;
 265         *usbdata = data;
 266
 267         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 268                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 269                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 270         kfree(usbdata);
 271
 272         if (status < 0){
 273                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
 274                            status);
 275                 return status;
 276         }
 277         return 0;
 278 }
 279
 280 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 281 {
 282         int status;
 283         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 284         struct usb_device *udev = priv->udev;
 285         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 286
 287         if (!usbdata)
 288                 return -ENOMEM;
 289
 290         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 291                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 292                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
 293         *data = *usbdata;
 294         kfree(usbdata);
 295
 296         if (status < 0) {
 297                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 298                 return status;
 299         }
 300
 301         return 0;
 302 }
 303
 304 /* as 92U has extend page from 4 to 16, so modify functions below. */
 305 int write_nic_byte(struct net_device *dev, int indx, u8 data)
 306 {
 307         int status;
 308
 309         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 310         struct usb_device *udev = priv->udev;
 311         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 312
 313         if (!usbdata)
 314                 return -ENOMEM;
 315         *usbdata = data;
 316
 317         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 318                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 319                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 320                                  usbdata, 1, HZ / 2);
 321         kfree(usbdata);
 322
 323         if (status < 0) {
 324                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
 325                 return status;
 326         }
 327
 328         return 0;
 329 }
 330
 331
 332 int write_nic_word(struct net_device *dev, int indx, u16 data)
 333 {
 334         int status;
 335
 336         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 337         struct usb_device *udev = priv->udev;
 338         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 339
 340         if (!usbdata)
 341                 return -ENOMEM;
 342         *usbdata = data;
 343
 344         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 345                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 346                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 347                                  usbdata, 2, HZ / 2);
 348         kfree(usbdata);
 349
 350         if (status < 0) {
 351                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
 352                 return status;
 353         }
 354
 355         return 0;
 356 }
 357
 358
 359 int write_nic_dword(struct net_device *dev, int indx, u32 data)
 360 {
 361         int status;
 362
 363         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 364         struct usb_device *udev = priv->udev;
 365         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 366
 367         if (!usbdata)
 368                 return -ENOMEM;
 369         *usbdata = data;
 370
 371         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 372                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 373                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 374                                  usbdata, 4, HZ / 2);
 375         kfree(usbdata);
 376
 377
 378         if (status < 0) {
 379                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
 380                            status);
 381                 return status;
 382         }
 383
 384         return 0;
 385 }
 386
 387
 388
 389 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 390 {
 391         int status;
 392         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 393         struct usb_device *udev = priv->udev;
 394         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 395
 396         if (!usbdata)
 397                 return -ENOMEM;
 398
 399         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 400                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 401                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 402                                  usbdata, 1, HZ / 2);
 403         *data = *usbdata;
 404         kfree(usbdata);
 405
 406         if (status < 0) {
 407                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 408                 return status;
 409         }
 410
 411         return 0;
 412 }
 413
 414
 415
 416 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 417 {
 418         int status;
 419         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 420         struct usb_device *udev = priv->udev;
 421         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 422
 423         if (!usbdata)
 424                 return -ENOMEM;
 425
 426         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 427                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 428                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 429                                  usbdata, 2, HZ / 2);
 430         *data = *usbdata;
 431         kfree(usbdata);
 432
 433         if (status < 0) {
 434                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 435                 return status;
 436         }
 437
 438         return 0;
 439 }
 440
 441 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 442 {
 443         int status;
 444         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 445         struct usb_device *udev = priv->udev;
 446         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 447
 448         if (!usbdata)
 449                 return -ENOMEM;
 450
 451         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 452                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 453                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
 454         *data = *usbdata;
 455         kfree(usbdata);
 456
 457         if (status < 0) {
 458                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 459                 return status;
 460         }
 461
 462         return 0;
 463 }
 464
 465 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 466 {
 467         int status;
 468
 469         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 470         struct usb_device *udev = priv->udev;
 471         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 472
 473         if (!usbdata)
 474                 return -ENOMEM;
 475
 476         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 477                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 478                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 479                                  usbdata, 4, HZ / 2);
 480         *data = *usbdata;
 481         kfree(usbdata);
 482
 483         if (status < 0) {
 484                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 485                 return status;
 486         }
 487
 488         return 0;
 489 }
 490
 491 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 492 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 493 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 494  * plans are to possibility turn it again in one common code...
 495  */
 496 inline void force_pci_posting(struct net_device *dev)
 497 {
 498 }
 499
 500 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 501 static void rtl8192_restart(struct work_struct *work);
 502 static void watch_dog_timer_callback(unsigned long data);
 503
 504 /****************************************************************************
 505  *   -----------------------------PROCFS STUFF-------------------------
 506 *****************************************************************************
 507  */
 508
 509 static struct proc_dir_entry *rtl8192_proc;
 510
 511 static int proc_get_stats_ap(struct seq_file *m, void *v)
 512 {
 513         struct net_device *dev = m->private;
 514         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 515         struct ieee80211_device *ieee = priv->ieee80211;
 516         struct ieee80211_network *target;
 517
 518         list_for_each_entry(target, &ieee->network_list, list) {
 519                 const char *wpa = "non_WPA";
 520
 521                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 522                         wpa = "WPA";
 523
 524                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 525         }
 526
 527         return 0;
 528 }
 529
 530 static int proc_get_registers(struct seq_file *m, void *v)
 531 {
 532         struct net_device *dev = m->private;
 533         int i, n, max = 0xff;
 534         u8 byte_rd;
 535
 536         seq_puts(m, "\n####################page 0##################\n ");
 537
 538         for (n = 0; n <= max;) {
 539                 seq_printf(m, "\nD:  %2x > ", n);
 540
 541                 for (i = 0; i < 16 && n <= max; i++, n++) {
 542                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 543                         seq_printf(m, "%2x ", byte_rd);
 544                 }
 545         }
 546
 547         seq_puts(m, "\n####################page 1##################\n ");
 548         for (n = 0; n <= max;) {
 549                 seq_printf(m, "\nD:  %2x > ", n);
 550
 551                 for (i = 0; i < 16 && n <= max; i++, n++) {
 552                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 553                         seq_printf(m, "%2x ", byte_rd);
 554                 }
 555         }
 556
 557         seq_puts(m, "\n####################page 3##################\n ");
 558         for (n = 0; n <= max;) {
 559                 seq_printf(m, "\nD:  %2x > ", n);
 560
 561                 for (i = 0; i < 16 && n <= max; i++, n++) {
 562                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 563                         seq_printf(m, "%2x ", byte_rd);
 564                 }
 565         }
 566
 567         seq_putc(m, '\n');
 568         return 0;
 569 }
 570
 571 static int proc_get_stats_tx(struct seq_file *m, void *v)
 572 {
 573         struct net_device *dev = m->private;
 574         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 575
 576         seq_printf(m,
 577                    "TX VI priority ok int: %lu\n"
 578                    "TX VI priority error int: %lu\n"
 579                    "TX VO priority ok int: %lu\n"
 580                    "TX VO priority error int: %lu\n"
 581                    "TX BE priority ok int: %lu\n"
 582                    "TX BE priority error int: %lu\n"
 583                    "TX BK priority ok int: %lu\n"
 584                    "TX BK priority error int: %lu\n"
 585                    "TX MANAGE priority ok int: %lu\n"
 586                    "TX MANAGE priority error int: %lu\n"
 587                    "TX BEACON priority ok int: %lu\n"
 588                    "TX BEACON priority error int: %lu\n"
 589                    "TX queue resume: %lu\n"
 590                    "TX queue stopped?: %d\n"
 591                    "TX fifo overflow: %lu\n"
 592                    "TX VI queue: %d\n"
 593                    "TX VO queue: %d\n"
 594                    "TX BE queue: %d\n"
 595                    "TX BK queue: %d\n"
 596                    "TX VI dropped: %lu\n"
 597                    "TX VO dropped: %lu\n"
 598                    "TX BE dropped: %lu\n"
 599                    "TX BK dropped: %lu\n"
 600                    "TX total data packets %lu\n",
 601                    priv->stats.txviokint,
 602                    priv->stats.txvierr,
 603                    priv->stats.txvookint,
 604                    priv->stats.txvoerr,
 605                    priv->stats.txbeokint,
 606                    priv->stats.txbeerr,
 607                    priv->stats.txbkokint,
 608                    priv->stats.txbkerr,
 609                    priv->stats.txmanageokint,
 610                    priv->stats.txmanageerr,
 611                    priv->stats.txbeaconokint,
 612                    priv->stats.txbeaconerr,
 613                    priv->stats.txresumed,
 614                    netif_queue_stopped(dev),
 615                    priv->stats.txoverflow,
 616                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 617                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 618                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 619                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 620                    priv->stats.txvidrop,
 621                    priv->stats.txvodrop,
 622                    priv->stats.txbedrop,
 623                    priv->stats.txbkdrop,
 624                    priv->stats.txdatapkt
 625                 );
 626
 627         return 0;
 628 }
 629
 630 static int proc_get_stats_rx(struct seq_file *m, void *v)
 631 {
 632         struct net_device *dev = m->private;
 633         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 634
 635         seq_printf(m,
 636                    "RX packets: %lu\n"
 637                    "RX urb status error: %lu\n"
 638                    "RX invalid urb error: %lu\n",
 639                    priv->stats.rxoktotal,
 640                    priv->stats.rxstaterr,
 641                    priv->stats.rxurberr);
 642
 643         return 0;
 644 }
 645
 646 static void rtl8192_proc_module_init(void)
 647 {
 648         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 649         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 650 }
 651
 652 /*
 653  * seq_file wrappers for procfile show routines.
 654  */
 655 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 656 {
 657         struct net_device *dev = proc_get_parent_data(inode);
 658         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 659
 660         return single_open(file, show, dev);
 661 }
 662
 663 static const struct file_operations rtl8192_proc_fops = {
 664         .open           = rtl8192_proc_open,
 665         .read           = seq_read,
 666         .llseek         = seq_lseek,
 667         .release        = single_release,
 668 };
 669
 670 /*
 671  * Table of proc files we need to create.
 672  */
 673 struct rtl8192_proc_file {
 674         char name[12];
 675         int (*show)(struct seq_file *, void *);
 676 };
 677
 678 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 679         { "stats-rx",   &proc_get_stats_rx },
 680         { "stats-tx",   &proc_get_stats_tx },
 681         { "stats-ap",   &proc_get_stats_ap },
 682         { "registers",  &proc_get_registers },
 683         { "" }
 684 };
 685
 686 static void rtl8192_proc_init_one(struct net_device *dev)
 687 {
 688         const struct rtl8192_proc_file *f;
 689         struct proc_dir_entry *dir;
 690
 691         if (rtl8192_proc) {
 692                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 693                 if (!dir) {
 694                         RT_TRACE(COMP_ERR,
 695                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 696                                  dev->name);
 697                         return;
 698                 }
 699
 700                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 701                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 702                                               &rtl8192_proc_fops, f->show)) {
 703                                 RT_TRACE(COMP_ERR,
 704                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 705                                          dev->name, f->name);
 706                                 return;
 707                         }
 708                 }
 709         }
 710 }
 711
 712 static void rtl8192_proc_remove_one(struct net_device *dev)
 713 {
 714         remove_proc_subtree(dev->name, rtl8192_proc);
 715 }
 716
 717 /****************************************************************************
 718    -----------------------------MISC STUFF-------------------------
 719 *****************************************************************************/
 720
 721 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 722 {
 723         struct r8192_priv *priv = ieee80211_priv(dev);
 724         int used = atomic_read(&priv->tx_pending[queue_index]);
 725
 726         return (used < MAX_TX_URB);
 727 }
 728
 729 static void tx_timeout(struct net_device *dev)
 730 {
 731         struct r8192_priv *priv = ieee80211_priv(dev);
 732
 733         schedule_work(&priv->reset_wq);
 734 }
 735
 736 void rtl8192_update_msr(struct net_device *dev)
 737 {
 738         struct r8192_priv *priv = ieee80211_priv(dev);
 739         u8 msr;
 740
 741         read_nic_byte(dev, MSR, &msr);
 742         msr &= ~MSR_LINK_MASK;
 743
 744         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 745          * msr must be updated if the state is ASSOCIATING.
 746          * this is intentional and make sense for ad-hoc and
 747          * master (see the create BSS/IBSS func)
 748          */
 749         if (priv->ieee80211->state == IEEE80211_LINKED) {
 750                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 751                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 752                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 753                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 754                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 755                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 756
 757         } else {
 758                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 759         }
 760
 761         write_nic_byte(dev, MSR, msr);
 762 }
 763
 764 void rtl8192_set_chan(struct net_device *dev, short ch)
 765 {
 766         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 767
 768         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 769         priv->chan = ch;
 770
 771         /* this hack should avoid frame TX during channel setting*/
 772
 773         /* need to implement rf set channel here */
 774
 775         if (priv->rf_set_chan)
 776                 priv->rf_set_chan(dev, priv->chan);
 777         mdelay(10);
 778 }
 779
 780 static void rtl8192_rx_isr(struct urb *urb);
 781
 782 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 783 {
 784         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 785                 + pstats->RxBufShift);
 786 }
 787
 788 static int rtl8192_rx_initiate(struct net_device *dev)
 789 {
 790         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 791         struct urb *entry;
 792         struct sk_buff *skb;
 793         struct rtl8192_rx_info *info;
 794
 795         /* nomal packet rx procedure */
 796         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 797                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 798                 if (!skb)
 799                         break;
 800                 entry = usb_alloc_urb(0, GFP_KERNEL);
 801                 if (!entry) {
 802                         kfree_skb(skb);
 803                         break;
 804                 }
 805                 usb_fill_bulk_urb(entry, priv->udev,
 806                                   usb_rcvbulkpipe(priv->udev, 3),
 807                                   skb_tail_pointer(skb),
 808                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 809                 info = (struct rtl8192_rx_info *)skb->cb;
 810                 info->urb = entry;
 811                 info->dev = dev;
 812                 info->out_pipe = 3; /* denote rx normal packet queue */
 813                 skb_queue_tail(&priv->rx_queue, skb);
 814                 usb_submit_urb(entry, GFP_KERNEL);
 815         }
 816
 817         /* command packet rx procedure */
 818         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 819                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 820                 if (!skb)
 821                         break;
 822                 entry = usb_alloc_urb(0, GFP_KERNEL);
 823                 if (!entry) {
 824                         kfree_skb(skb);
 825                         break;
 826                 }
 827                 usb_fill_bulk_urb(entry, priv->udev,
 828                                   usb_rcvbulkpipe(priv->udev, 9),
 829                                   skb_tail_pointer(skb),
 830                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 831                 info = (struct rtl8192_rx_info *)skb->cb;
 832                 info->urb = entry;
 833                 info->dev = dev;
 834                 info->out_pipe = 9; /* denote rx cmd packet queue */
 835                 skb_queue_tail(&priv->rx_queue, skb);
 836                 usb_submit_urb(entry, GFP_KERNEL);
 837         }
 838
 839         return 0;
 840 }
 841
 842 void rtl8192_set_rxconf(struct net_device *dev)
 843 {
 844         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 845         u32 rxconf;
 846
 847         read_nic_dword(dev, RCR, &rxconf);
 848         rxconf = rxconf & ~MAC_FILTER_MASK;
 849         rxconf = rxconf | RCR_AMF;
 850         rxconf = rxconf | RCR_ADF;
 851         rxconf = rxconf | RCR_AB;
 852         rxconf = rxconf | RCR_AM;
 853
 854         if (dev->flags & IFF_PROMISC)
 855                 DMESG("NIC in promisc mode");
 856
 857         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 858             dev->flags & IFF_PROMISC) {
 859                 rxconf = rxconf | RCR_AAP;
 860         } else {
 861                 rxconf = rxconf | RCR_APM;
 862                 rxconf = rxconf | RCR_CBSSID;
 863         }
 864
 865
 866         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 867                 rxconf = rxconf | RCR_AICV;
 868                 rxconf = rxconf | RCR_APWRMGT;
 869         }
 870
 871         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 872                 rxconf = rxconf | RCR_ACRC32;
 873
 874
 875         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 876         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 877         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 878         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 879
 880         rxconf = rxconf | RCR_ONLYERLPKT;
 881
 882         write_nic_dword(dev, RCR, rxconf);
 883 }
 884
 885 /* wait to be removed */
 886 void rtl8192_rx_enable(struct net_device *dev)
 887 {
 888         rtl8192_rx_initiate(dev);
 889 }
 890
 891
 892 void rtl8192_tx_enable(struct net_device *dev)
 893 {
 894 }
 895
 896
 897
 898 void rtl8192_rtx_disable(struct net_device *dev)
 899 {
 900         u8 cmd;
 901         struct r8192_priv *priv = ieee80211_priv(dev);
 902         struct sk_buff *skb;
 903         struct rtl8192_rx_info *info;
 904
 905         read_nic_byte(dev, CMDR, &cmd);
 906         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 907         force_pci_posting(dev);
 908         mdelay(10);
 909
 910         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 911                 info = (struct rtl8192_rx_info *)skb->cb;
 912                 if (!info->urb)
 913                         continue;
 914
 915                 usb_kill_urb(info->urb);
 916                 kfree_skb(skb);
 917         }
 918
 919         if (skb_queue_len(&priv->skb_queue))
 920                 netdev_warn(dev, "skb_queue not empty\n");
 921
 922         skb_queue_purge(&priv->skb_queue);
 923 }
 924
 925 inline u16 ieeerate2rtlrate(int rate)
 926 {
 927         switch (rate) {
 928         case 10:
 929                 return 0;
 930         case 20:
 931                 return 1;
 932         case 55:
 933                 return 2;
 934         case 110:
 935                 return 3;
 936         case 60:
 937                 return 4;
 938         case 90:
 939                 return 5;
 940         case 120:
 941                 return 6;
 942         case 180:
 943                 return 7;
 944         case 240:
 945                 return 8;
 946         case 360:
 947                 return 9;
 948         case 480:
 949                 return 10;
 950         case 540:
 951                 return 11;
 952         default:
 953                 return 3;
 954         }
 955 }
 956
 957 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
 958 inline u16 rtl8192_rate2rate(short rate)
 959 {
 960         if (rate > 11)
 961                 return 0;
 962         return rtl_rate[rate];
 963 }
 964
 965
 966 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 967 static void rtl8192_rx_isr(struct urb *urb)
 968 {
 969         struct sk_buff *skb = (struct sk_buff *)urb->context;
 970         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 971         struct net_device *dev = info->dev;
 972         struct r8192_priv *priv = ieee80211_priv(dev);
 973         int out_pipe = info->out_pipe;
 974         int err;
 975
 976         if (!priv->up)
 977                 return;
 978
 979         if (unlikely(urb->status)) {
 980                 info->urb = NULL;
 981                 priv->stats.rxstaterr++;
 982                 priv->ieee80211->stats.rx_errors++;
 983                 usb_free_urb(urb);
 984                 return;
 985         }
 986         skb_unlink(skb, &priv->rx_queue);
 987         skb_put(skb, urb->actual_length);
 988
 989         skb_queue_tail(&priv->skb_queue, skb);
 990         tasklet_schedule(&priv->irq_rx_tasklet);
 991
 992         skb = dev_alloc_skb(RX_URB_SIZE);
 993         if (unlikely(!skb)) {
 994                 usb_free_urb(urb);
 995                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 996                 /* TODO check rx queue length and refill *somewhere* */
 997                 return;
 998         }
 999
1000         usb_fill_bulk_urb(urb, priv->udev,
1001                           usb_rcvbulkpipe(priv->udev, out_pipe),
1002                           skb_tail_pointer(skb),
1003                           RX_URB_SIZE, rtl8192_rx_isr, skb);
1004
1005         info = (struct rtl8192_rx_info *)skb->cb;
1006         info->urb = urb;
1007         info->dev = dev;
1008         info->out_pipe = out_pipe;
1009
1010         urb->transfer_buffer = skb_tail_pointer(skb);
1011         urb->context = skb;
1012         skb_queue_tail(&priv->rx_queue, skb);
1013         err = usb_submit_urb(urb, GFP_ATOMIC);
1014         if (err && err != EPERM)
1015                 netdev_err(dev,
1016                            "can not submit rxurb, err is %x, URB status is %x\n",
1017                            err, urb->status);
1018 }
1019
1020 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1021                                         struct ieee80211_rx_stats *pstats)
1022 {
1023         u32     status;
1024
1025         status = cmpk_message_handle_rx(dev, pstats);
1026         if (status)
1027                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1028
1029         return status;
1030 }
1031
1032
1033 static void rtl8192_data_hard_stop(struct net_device *dev)
1034 {
1035         /* FIXME !! */
1036 }
1037
1038
1039 static void rtl8192_data_hard_resume(struct net_device *dev)
1040 {
1041         /* FIXME !! */
1042 }
1043
1044 /* this function TX data frames when the ieee80211 stack requires this.
1045  * It checks also if we need to stop the ieee tx queue, eventually do it
1046  */
1047 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1048                                    int rate)
1049 {
1050         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1051         int ret;
1052         unsigned long flags;
1053         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1054         u8 queue_index = tcb_desc->queue_index;
1055
1056         /* shall not be referred by command packet */
1057         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1058
1059         spin_lock_irqsave(&priv->tx_lock, flags);
1060
1061         *(struct net_device **)(skb->cb) = dev;
1062         tcb_desc->bTxEnableFwCalcDur = 1;
1063         skb_push(skb, priv->ieee80211->tx_headroom);
1064         ret = rtl8192_tx(dev, skb);
1065
1066         spin_unlock_irqrestore(&priv->tx_lock, flags);
1067 }
1068
1069 /* This is a rough attempt to TX a frame
1070  * This is called by the ieee 80211 stack to TX management frames.
1071  * If the ring is full packet are dropped (for data frame the queue
1072  * is stopped before this can happen).
1073  */
1074 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1075 {
1076         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1077         int ret;
1078         unsigned long flags;
1079         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1080         u8 queue_index = tcb_desc->queue_index;
1081
1082
1083         spin_lock_irqsave(&priv->tx_lock, flags);
1084
1085         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1086         if (queue_index == TXCMD_QUEUE) {
1087                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1088                 rtl819xU_tx_cmd(dev, skb);
1089                 ret = 1;
1090         } else {
1091                 skb_push(skb, priv->ieee80211->tx_headroom);
1092                 ret = rtl8192_tx(dev, skb);
1093         }
1094
1095         spin_unlock_irqrestore(&priv->tx_lock, flags);
1096
1097         return ret;
1098 }
1099
1100 static void rtl8192_tx_isr(struct urb *tx_urb)
1101 {
1102         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1103         struct net_device *dev;
1104         struct r8192_priv *priv = NULL;
1105         cb_desc *tcb_desc;
1106         u8  queue_index;
1107
1108         if (!skb)
1109                 return;
1110
1111         dev = *(struct net_device **)(skb->cb);
1112         tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1113         queue_index = tcb_desc->queue_index;
1114
1115         priv = ieee80211_priv(dev);
1116
1117         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1118                 if (tx_urb->status == 0) {
1119                         netif_trans_update(dev);
1120                         priv->stats.txoktotal++;
1121                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1122                         priv->stats.txbytesunicast +=
1123                                 (skb->len - priv->ieee80211->tx_headroom);
1124                 } else {
1125                         priv->ieee80211->stats.tx_errors++;
1126                         /* TODO */
1127                 }
1128         }
1129
1130         /* free skb and tx_urb */
1131         dev_kfree_skb_any(skb);
1132         usb_free_urb(tx_urb);
1133         atomic_dec(&priv->tx_pending[queue_index]);
1134
1135         /*
1136          * Handle HW Beacon:
1137          * We had transfer our beacon frame to host controller at this moment.
1138          *
1139          *
1140          * Caution:
1141          * Handling the wait queue of command packets.
1142          * For Tx command packets, we must not do TCB fragment because it is
1143          * not handled right now. We must cut the packets to match the size of
1144          * TX_CMD_PKT before we send it.
1145          */
1146
1147         /* Handle MPDU in wait queue. */
1148         if (queue_index != BEACON_QUEUE) {
1149                 /* Don't send data frame during scanning.*/
1150                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1151                     (!(priv->ieee80211->queue_stop))) {
1152                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1153                         if (skb)
1154                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1155                                                                          dev);
1156
1157                         return; /* avoid further processing AMSDU */
1158                 }
1159         }
1160 }
1161
1162 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1163 {
1164         struct r8192_priv *priv = ieee80211_priv(dev);
1165         struct ieee80211_network *net;
1166         u8 i = 0, basic_rate = 0;
1167
1168         net = &priv->ieee80211->current_network;
1169
1170         for (i = 0; i < net->rates_len; i++) {
1171                 basic_rate = net->rates[i] & 0x7f;
1172                 switch (basic_rate) {
1173                 case MGN_1M:
1174                         *rate_config |= RRSR_1M;
1175                         break;
1176                 case MGN_2M:
1177                         *rate_config |= RRSR_2M;
1178                         break;
1179                 case MGN_5_5M:
1180                         *rate_config |= RRSR_5_5M;
1181                         break;
1182                 case MGN_11M:
1183                         *rate_config |= RRSR_11M;
1184                         break;
1185                 case MGN_6M:
1186                         *rate_config |= RRSR_6M;
1187                         break;
1188                 case MGN_9M:
1189                         *rate_config |= RRSR_9M;
1190                         break;
1191                 case MGN_12M:
1192                         *rate_config |= RRSR_12M;
1193                         break;
1194                 case MGN_18M:
1195                         *rate_config |= RRSR_18M;
1196                         break;
1197                 case MGN_24M:
1198                         *rate_config |= RRSR_24M;
1199                         break;
1200                 case MGN_36M:
1201                         *rate_config |= RRSR_36M;
1202                         break;
1203                 case MGN_48M:
1204                         *rate_config |= RRSR_48M;
1205                         break;
1206                 case MGN_54M:
1207                         *rate_config |= RRSR_54M;
1208                         break;
1209                 }
1210         }
1211         for (i = 0; i < net->rates_ex_len; i++) {
1212                 basic_rate = net->rates_ex[i] & 0x7f;
1213                 switch (basic_rate) {
1214                 case MGN_1M:
1215                         *rate_config |= RRSR_1M;
1216                         break;
1217                 case MGN_2M:
1218                         *rate_config |= RRSR_2M;
1219                         break;
1220                 case MGN_5_5M:
1221                         *rate_config |= RRSR_5_5M;
1222                         break;
1223                 case MGN_11M:
1224                         *rate_config |= RRSR_11M;
1225                         break;
1226                 case MGN_6M:
1227                         *rate_config |= RRSR_6M;
1228                         break;
1229                 case MGN_9M:
1230                         *rate_config |= RRSR_9M;
1231                         break;
1232                 case MGN_12M:
1233                         *rate_config |= RRSR_12M;
1234                         break;
1235                 case MGN_18M:
1236                         *rate_config |= RRSR_18M;
1237                         break;
1238                 case MGN_24M:
1239                         *rate_config |= RRSR_24M;
1240                         break;
1241                 case MGN_36M:
1242                         *rate_config |= RRSR_36M;
1243                         break;
1244                 case MGN_48M:
1245                         *rate_config |= RRSR_48M;
1246                         break;
1247                 case MGN_54M:
1248                         *rate_config |= RRSR_54M;
1249                         break;
1250                 }
1251         }
1252 }
1253
1254
1255 #define SHORT_SLOT_TIME 9
1256 #define NON_SHORT_SLOT_TIME 20
1257
1258 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1259 {
1260         u32 tmp = 0;
1261         struct r8192_priv *priv = ieee80211_priv(dev);
1262         struct ieee80211_network *net = &priv->ieee80211->current_network;
1263
1264         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1265         tmp = priv->basic_rate;
1266         if (priv->short_preamble)
1267                 tmp |= BRSR_AckShortPmb;
1268         write_nic_dword(dev, RRSR, tmp);
1269
1270         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1271                 u8 slot_time = 0;
1272
1273                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1274                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1275                         /* short slot time */
1276                         slot_time = SHORT_SLOT_TIME;
1277                 else    /* long slot time */
1278                         slot_time = NON_SHORT_SLOT_TIME;
1279                 priv->slot_time = slot_time;
1280                 write_nic_byte(dev, SLOT_TIME, slot_time);
1281         }
1282 }
1283
1284 static void rtl8192_net_update(struct net_device *dev)
1285 {
1286         struct r8192_priv *priv = ieee80211_priv(dev);
1287         struct ieee80211_network *net;
1288         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1289         u16 rate_config = 0;
1290
1291         net = &priv->ieee80211->current_network;
1292
1293         rtl8192_config_rate(dev, &rate_config);
1294         priv->basic_rate = rate_config & 0x15f;
1295
1296         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1297         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1298
1299         rtl8192_update_msr(dev);
1300         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1301                 write_nic_word(dev, ATIMWND, 2);
1302                 write_nic_word(dev, BCN_DMATIME, 1023);
1303                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1304                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1305                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1306                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1307                 /* TODO: BcnIFS may required to be changed on ASIC */
1308                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1309
1310                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1311         }
1312 }
1313
1314 /* temporary hw beacon is not used any more.
1315  * open it when necessary
1316  */
1317 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1318 {
1319
1320 }
1321
1322 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1323 {
1324         if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1325                 return 1;
1326         else
1327                 return 0;
1328 }
1329
1330 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1331 {
1332         struct r8192_priv *priv = ieee80211_priv(dev);
1333         int                     status;
1334         struct urb              *tx_urb;
1335         unsigned int            idx_pipe;
1336         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1337         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1338         u8 queue_index = tcb_desc->queue_index;
1339
1340         atomic_inc(&priv->tx_pending[queue_index]);
1341         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1342         if (!tx_urb) {
1343                 dev_kfree_skb(skb);
1344                 return -ENOMEM;
1345         }
1346
1347         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1348         /* Tx descriptor ought to be set according to the skb->cb */
1349         pdesc->FirstSeg = 1;
1350         pdesc->LastSeg = 1;
1351         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1352         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1353         pdesc->OWN = 1;
1354         pdesc->LINIP = tcb_desc->bLastIniPkt;
1355
1356         /*---------------------------------------------------------------------
1357          * Fill up USB_OUT_CONTEXT.
1358          *---------------------------------------------------------------------
1359          */
1360         idx_pipe = 0x04;
1361         usb_fill_bulk_urb(tx_urb, priv->udev,
1362                           usb_sndbulkpipe(priv->udev, idx_pipe),
1363                           skb->data, skb->len, rtl8192_tx_isr, skb);
1364
1365         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1366
1367         if (!status)
1368                 return 0;
1369
1370         DMESGE("Error TX CMD URB, error %d", status);
1371         return -1;
1372 }
1373
1374 /*
1375  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1376  * in TxFwInfo data structure
1377  * 2006.10.30 by Emily
1378  *
1379  * \param QUEUEID       Software Queue
1380 */
1381 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1382 {
1383         u8 QueueSelect = 0x0;       /* default set to */
1384
1385         switch (QueueID) {
1386         case BE_QUEUE:
1387                 QueueSelect = QSLT_BE;
1388                 break;
1389
1390         case BK_QUEUE:
1391                 QueueSelect = QSLT_BK;
1392                 break;
1393
1394         case VO_QUEUE:
1395                 QueueSelect = QSLT_VO;
1396                 break;
1397
1398         case VI_QUEUE:
1399                 QueueSelect = QSLT_VI;
1400                 break;
1401         case MGNT_QUEUE:
1402                 QueueSelect = QSLT_MGNT;
1403                 break;
1404
1405         case BEACON_QUEUE:
1406                 QueueSelect = QSLT_BEACON;
1407                 break;
1408
1409                 /* TODO: mark other queue selection until we verify it is OK */
1410                 /* TODO: Remove Assertions */
1411         case TXCMD_QUEUE:
1412                 QueueSelect = QSLT_CMD;
1413                 break;
1414         case HIGH_QUEUE:
1415                 QueueSelect = QSLT_HIGH;
1416                 break;
1417
1418         default:
1419                 RT_TRACE(COMP_ERR,
1420                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1421                          QueueID);
1422                 break;
1423         }
1424         return QueueSelect;
1425 }
1426
1427 static u8 MRateToHwRate8190Pci(u8 rate)
1428 {
1429         u8  ret = DESC90_RATE1M;
1430
1431         switch (rate) {
1432         case MGN_1M:
1433                 ret = DESC90_RATE1M;
1434                 break;
1435         case MGN_2M:
1436                 ret = DESC90_RATE2M;
1437                 break;
1438         case MGN_5_5M:
1439                 ret = DESC90_RATE5_5M;
1440                 break;
1441         case MGN_11M:
1442                 ret = DESC90_RATE11M;
1443                 break;
1444         case MGN_6M:
1445                 ret = DESC90_RATE6M;
1446                 break;
1447         case MGN_9M:
1448                 ret = DESC90_RATE9M;
1449                 break;
1450         case MGN_12M:
1451                 ret = DESC90_RATE12M;
1452                 break;
1453         case MGN_18M:
1454                 ret = DESC90_RATE18M;
1455                 break;
1456         case MGN_24M:
1457                 ret = DESC90_RATE24M;
1458                 break;
1459         case MGN_36M:
1460                 ret = DESC90_RATE36M;
1461                 break;
1462         case MGN_48M:
1463                 ret = DESC90_RATE48M;
1464                 break;
1465         case MGN_54M:
1466                 ret = DESC90_RATE54M;
1467                 break;
1468
1469         /* HT rate since here */
1470         case MGN_MCS0:
1471                 ret = DESC90_RATEMCS0;
1472                 break;
1473         case MGN_MCS1:
1474                 ret = DESC90_RATEMCS1;
1475                 break;
1476         case MGN_MCS2:
1477                 ret = DESC90_RATEMCS2;
1478                 break;
1479         case MGN_MCS3:
1480                 ret = DESC90_RATEMCS3;
1481                 break;
1482         case MGN_MCS4:
1483                 ret = DESC90_RATEMCS4;
1484                 break;
1485         case MGN_MCS5:
1486                 ret = DESC90_RATEMCS5;
1487                 break;
1488         case MGN_MCS6:
1489                 ret = DESC90_RATEMCS6;
1490                 break;
1491         case MGN_MCS7:
1492                 ret = DESC90_RATEMCS7;
1493                 break;
1494         case MGN_MCS8:
1495                 ret = DESC90_RATEMCS8;
1496                 break;
1497         case MGN_MCS9:
1498                 ret = DESC90_RATEMCS9;
1499                 break;
1500         case MGN_MCS10:
1501                 ret = DESC90_RATEMCS10;
1502                 break;
1503         case MGN_MCS11:
1504                 ret = DESC90_RATEMCS11;
1505                 break;
1506         case MGN_MCS12:
1507                 ret = DESC90_RATEMCS12;
1508                 break;
1509         case MGN_MCS13:
1510                 ret = DESC90_RATEMCS13;
1511                 break;
1512         case MGN_MCS14:
1513                 ret = DESC90_RATEMCS14;
1514                 break;
1515         case MGN_MCS15:
1516                 ret = DESC90_RATEMCS15;
1517                 break;
1518         case (0x80 | 0x20):
1519                 ret = DESC90_RATEMCS32;
1520                 break;
1521
1522         default:
1523                 break;
1524         }
1525         return ret;
1526 }
1527
1528
1529 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1530 {
1531         u8   tmp_Short;
1532
1533         tmp_Short = (TxHT == 1) ?
1534                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1535                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1536
1537         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1538                 tmp_Short = 0;
1539
1540         return tmp_Short;
1541 }
1542
1543 static void tx_zero_isr(struct urb *tx_urb)
1544 {
1545 }
1546
1547 /*
1548  * The tx procedure is just as following,
1549  * skb->cb will contain all the following information,
1550  * priority, morefrag, rate, &dev.
1551  * */
1552 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1553 {
1554         struct r8192_priv *priv = ieee80211_priv(dev);
1555         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1556         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1557         tx_fwinfo_819x_usb *tx_fwinfo =
1558                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1559         struct usb_device *udev = priv->udev;
1560         int pend;
1561         int status;
1562         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1563         unsigned int idx_pipe;
1564
1565         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1566         /* we are locked here so the two atomic_read and inc are executed
1567          * without interleaves
1568          * !!! For debug purpose
1569          */
1570         if (pend > MAX_TX_URB) {
1571                 netdev_dbg(dev, "To discard skb packet!\n");
1572                 dev_kfree_skb_any(skb);
1573                 return -1;
1574         }
1575
1576         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1577         if (!tx_urb) {
1578                 dev_kfree_skb_any(skb);
1579                 return -ENOMEM;
1580         }
1581
1582         /* Fill Tx firmware info */
1583         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1584         /* DWORD 0 */
1585         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1586         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1587         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1588         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1589                                         tcb_desc);
1590         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1591                 tx_fwinfo->AllowAggregation = 1;
1592                 /* DWORD 1 */
1593                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1594                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1595         } else {
1596                 tx_fwinfo->AllowAggregation = 0;
1597                 /* DWORD 1 */
1598                 tx_fwinfo->RxMF = 0;
1599                 tx_fwinfo->RxAMD = 0;
1600         }
1601
1602         /* Protection mode related */
1603         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1604         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1605         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1606         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1607         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1608         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1609         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1610         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1611                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1612
1613         /* Set Bandwidth and sub-channel settings. */
1614         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1615                 if (tcb_desc->bPacketBW) {
1616                         tx_fwinfo->TxBandwidth = 1;
1617                         /* use duplicated mode */
1618                         tx_fwinfo->TxSubCarrier = 0;
1619                 } else {
1620                         tx_fwinfo->TxBandwidth = 0;
1621                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1622                 }
1623         } else {
1624                 tx_fwinfo->TxBandwidth = 0;
1625                 tx_fwinfo->TxSubCarrier = 0;
1626         }
1627
1628         /* Fill Tx descriptor */
1629         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1630         /* DWORD 0 */
1631         tx_desc->LINIP = 0;
1632         tx_desc->CmdInit = 1;
1633         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1634         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1635
1636         /*DWORD 1*/
1637         tx_desc->SecCAMID = 0;
1638         tx_desc->RATid = tcb_desc->RATRIndex;
1639         tx_desc->NoEnc = 1;
1640         tx_desc->SecType = 0x0;
1641         if (tcb_desc->bHwSec) {
1642                 switch (priv->ieee80211->pairwise_key_type) {
1643                 case KEY_TYPE_WEP40:
1644                 case KEY_TYPE_WEP104:
1645                         tx_desc->SecType = 0x1;
1646                         tx_desc->NoEnc = 0;
1647                         break;
1648                 case KEY_TYPE_TKIP:
1649                         tx_desc->SecType = 0x2;
1650                         tx_desc->NoEnc = 0;
1651                         break;
1652                 case KEY_TYPE_CCMP:
1653                         tx_desc->SecType = 0x3;
1654                         tx_desc->NoEnc = 0;
1655                         break;
1656                 case KEY_TYPE_NA:
1657                         tx_desc->SecType = 0x0;
1658                         tx_desc->NoEnc = 1;
1659                         break;
1660                 }
1661         }
1662
1663         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1664         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1665
1666         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1667         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1668
1669         /* Fill fields that are required to be initialized in
1670          * all of the descriptors
1671          */
1672         /* DWORD 0 */
1673         tx_desc->FirstSeg = 1;
1674         tx_desc->LastSeg = 1;
1675         tx_desc->OWN = 1;
1676
1677         /* DWORD 2 */
1678         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1679         idx_pipe = 0x5;
1680
1681         /* To submit bulk urb */
1682         usb_fill_bulk_urb(tx_urb, udev,
1683                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1684                           skb->len, rtl8192_tx_isr, skb);
1685
1686         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1687         if (!status) {
1688                 /* We need to send 0 byte packet whenever
1689                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1690                  * been transmitted. Otherwise, it will be halt to wait for
1691                  * another packet.
1692                  */
1693                 bool bSend0Byte = false;
1694                 u8 zero = 0;
1695
1696                 if (udev->speed == USB_SPEED_HIGH) {
1697                         if (skb->len > 0 && skb->len % 512 == 0)
1698                                 bSend0Byte = true;
1699                 } else {
1700                         if (skb->len > 0 && skb->len % 64 == 0)
1701                                 bSend0Byte = true;
1702                 }
1703                 if (bSend0Byte) {
1704                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1705                         if (!tx_urb_zero) {
1706                                 RT_TRACE(COMP_ERR,
1707                                          "can't alloc urb for zero byte\n");
1708                                 return -ENOMEM;
1709                         }
1710                         usb_fill_bulk_urb(tx_urb_zero, udev,
1711                                           usb_sndbulkpipe(udev, idx_pipe),
1712                                           &zero, 0, tx_zero_isr, dev);
1713                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1714                         if (status) {
1715                                 RT_TRACE(COMP_ERR,
1716                                          "Error TX URB for zero byte %d, error %d",
1717                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1718                                          status);
1719                                 return -1;
1720                         }
1721                 }
1722                 netif_trans_update(dev);
1723                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1724                 return 0;
1725         }
1726
1727         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1728                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1729                  status);
1730         return -1;
1731 }
1732
1733 static short rtl8192_usb_initendpoints(struct net_device *dev)
1734 {
1735         struct r8192_priv *priv = ieee80211_priv(dev);
1736
1737         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1738                                GFP_KERNEL);
1739         if (!priv->rx_urb)
1740                 return -ENOMEM;
1741
1742 #ifndef JACKSON_NEW_RX
1743         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1744                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1745
1746                 priv->rx_urb[i]->transfer_buffer =
1747                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1748
1749                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1750         }
1751 #endif
1752
1753 #ifdef THOMAS_BEACON
1754         {
1755                 long align = 0;
1756                 void *oldaddr, *newaddr;
1757
1758                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1759                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1760                 oldaddr = priv->oldaddr;
1761                 align = ((long)oldaddr) & 3;
1762                 if (align) {
1763                         newaddr = oldaddr + 4 - align;
1764                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1765                 } else {
1766                         newaddr = oldaddr;
1767                         priv->rx_urb[16]->transfer_buffer_length = 16;
1768                 }
1769                 priv->rx_urb[16]->transfer_buffer = newaddr;
1770         }
1771 #endif
1772
1773         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1774         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1775                                  GFP_KERNEL);
1776         if (!priv->pp_rxskb) {
1777                 kfree(priv->rx_urb);
1778
1779                 priv->pp_rxskb = NULL;
1780                 priv->rx_urb = NULL;
1781
1782                 DMESGE("Endpoint Alloc Failure");
1783                 return -ENOMEM;
1784         }
1785
1786         netdev_dbg(dev, "End of initendpoints\n");
1787         return 0;
1788 }
1789
1790 #ifdef THOMAS_BEACON
1791 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1792 {
1793         int i;
1794         struct r8192_priv *priv = ieee80211_priv(dev);
1795
1796         if (priv->rx_urb) {
1797                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1798                         usb_kill_urb(priv->rx_urb[i]);
1799                         usb_free_urb(priv->rx_urb[i]);
1800                 }
1801                 kfree(priv->rx_urb);
1802                 priv->rx_urb = NULL;
1803         }
1804         kfree(priv->oldaddr);
1805         priv->oldaddr = NULL;
1806
1807         kfree(priv->pp_rxskb);
1808         priv->pp_rxskb = NULL;
1809 }
1810 #else
1811 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1812 {
1813         int i;
1814         struct r8192_priv *priv = ieee80211_priv(dev);
1815
1816 #ifndef JACKSON_NEW_RX
1817
1818         if (priv->rx_urb) {
1819                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1820                         usb_kill_urb(priv->rx_urb[i]);
1821                         kfree(priv->rx_urb[i]->transfer_buffer);
1822                         usb_free_urb(priv->rx_urb[i]);
1823                 }
1824                 kfree(priv->rx_urb);
1825                 priv->rx_urb = NULL;
1826         }
1827 #else
1828         kfree(priv->rx_urb);
1829         priv->rx_urb = NULL;
1830         kfree(priv->oldaddr);
1831         priv->oldaddr = NULL;
1832
1833         kfree(priv->pp_rxskb);
1834         priv->pp_rxskb = 0;
1835
1836 #endif
1837 }
1838 #endif
1839
1840 static void rtl8192_update_ratr_table(struct net_device *dev);
1841 static void rtl8192_link_change(struct net_device *dev)
1842 {
1843         struct r8192_priv *priv = ieee80211_priv(dev);
1844         struct ieee80211_device *ieee = priv->ieee80211;
1845
1846         if (ieee->state == IEEE80211_LINKED) {
1847                 rtl8192_net_update(dev);
1848                 rtl8192_update_ratr_table(dev);
1849                 /* Add this as in pure N mode, wep encryption will use software
1850                  * way, but there is no chance to set this as wep will not set
1851                  * group key in wext.
1852                  */
1853                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1854                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1855                         EnableHWSecurityConfig8192(dev);
1856         }
1857         /*update timing params*/
1858         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1859                 u32 reg = 0;
1860
1861                 read_nic_dword(dev, RCR, &reg);
1862                 if (priv->ieee80211->state == IEEE80211_LINKED)
1863                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1864                 else
1865                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1866                 write_nic_dword(dev, RCR, reg);
1867         }
1868 }
1869
1870 static struct ieee80211_qos_parameters def_qos_parameters = {
1871         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1872         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1873         {2, 2, 2, 2},/* aifs */
1874         {0, 0, 0, 0},/* flags */
1875         {0, 0, 0, 0} /* tx_op_limit */
1876 };
1877
1878
1879 static void rtl8192_update_beacon(struct work_struct *work)
1880 {
1881         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1882                                                update_beacon_wq.work);
1883         struct net_device *dev = priv->ieee80211->dev;
1884         struct ieee80211_device *ieee = priv->ieee80211;
1885         struct ieee80211_network *net = &ieee->current_network;
1886
1887         if (ieee->pHTInfo->bCurrentHTSupport)
1888                 HTUpdateSelfAndPeerSetting(ieee, net);
1889         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1890                 net->bssht.bdRT2RTLongSlotTime;
1891         rtl8192_update_cap(dev, net->capability);
1892 }
1893
1894 /*
1895 * background support to run QoS activate functionality
1896 */
1897 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1898                              EDCAPARA_VI, EDCAPARA_VO};
1899 static void rtl8192_qos_activate(struct work_struct *work)
1900 {
1901         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1902                                                qos_activate);
1903         struct net_device *dev = priv->ieee80211->dev;
1904         struct ieee80211_qos_parameters *qos_parameters =
1905                 &priv->ieee80211->current_network.qos_data.parameters;
1906         u8 mode = priv->ieee80211->current_network.mode;
1907         u32  u1bAIFS;
1908         u32 u4bAcParam;
1909         u32 op_limit;
1910         u32 cw_max;
1911         u32 cw_min;
1912         int i;
1913
1914         mutex_lock(&priv->mutex);
1915         if (priv->ieee80211->state != IEEE80211_LINKED)
1916                 goto success;
1917         RT_TRACE(COMP_QOS,
1918                  "qos active process with associate response received\n");
1919         /* It better set slot time at first
1920          *
1921          * For we just support b/g mode at present, let the slot time at
1922          * 9/20 selection
1923          *
1924          * update the ac parameter to related registers
1925          */
1926         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1927                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1928                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1929                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1930                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1931                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1932                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1933                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1934                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1935                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1936                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1937                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1938         }
1939
1940 success:
1941         mutex_unlock(&priv->mutex);
1942 }
1943
1944 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1945                                              int active_network,
1946                                              struct ieee80211_network *network)
1947 {
1948         int ret = 0;
1949         u32 size = sizeof(struct ieee80211_qos_parameters);
1950
1951         if (priv->ieee80211->state != IEEE80211_LINKED)
1952                 return ret;
1953
1954         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1955                 return ret;
1956
1957         if (network->flags & NETWORK_HAS_QOS_MASK) {
1958                 if (active_network &&
1959                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1960                         network->qos_data.active = network->qos_data.supported;
1961
1962                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1963                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1964                     (network->qos_data.old_param_count !=
1965                      network->qos_data.param_count)) {
1966                         network->qos_data.old_param_count =
1967                                 network->qos_data.param_count;
1968                         schedule_work(&priv->qos_activate);
1969                         RT_TRACE(COMP_QOS,
1970                                  "QoS parameters change call qos_activate\n");
1971                 }
1972         } else {
1973                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1974                        &def_qos_parameters, size);
1975
1976                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1977                         schedule_work(&priv->qos_activate);
1978                         RT_TRACE(COMP_QOS,
1979                                  "QoS was disabled call qos_activate\n");
1980                 }
1981                 network->qos_data.active = 0;
1982                 network->qos_data.supported = 0;
1983         }
1984
1985         return 0;
1986 }
1987
1988 /* handle and manage frame from beacon and probe response */
1989 static int rtl8192_handle_beacon(struct net_device *dev,
1990                                  struct ieee80211_beacon *beacon,
1991                                  struct ieee80211_network *network)
1992 {
1993         struct r8192_priv *priv = ieee80211_priv(dev);
1994
1995         rtl8192_qos_handle_probe_response(priv, 1, network);
1996         schedule_delayed_work(&priv->update_beacon_wq, 0);
1997         return 0;
1998 }
1999
2000 /*
2001 * handling the beaconing responses. if we get different QoS setting
2002 * off the network from the associated setting, adjust the QoS
2003 * setting
2004 */
2005 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
2006                                         struct ieee80211_network *network)
2007 {
2008         unsigned long flags;
2009         u32 size = sizeof(struct ieee80211_qos_parameters);
2010         int set_qos_param = 0;
2011
2012         if (!priv || !network)
2013                 return 0;
2014
2015         if (priv->ieee80211->state != IEEE80211_LINKED)
2016                 return 0;
2017
2018         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
2019                 return 0;
2020
2021         spin_lock_irqsave(&priv->ieee80211->lock, flags);
2022         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2023                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2024                        &network->qos_data.parameters,
2025                        sizeof(struct ieee80211_qos_parameters));
2026                 priv->ieee80211->current_network.qos_data.active = 1;
2027                 set_qos_param = 1;
2028                 /* update qos parameter for current network */
2029                 priv->ieee80211->current_network.qos_data.old_param_count =
2030                         priv->ieee80211->current_network.qos_data.param_count;
2031                 priv->ieee80211->current_network.qos_data.param_count =
2032                         network->qos_data.param_count;
2033         } else {
2034                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2035                        &def_qos_parameters, size);
2036                 priv->ieee80211->current_network.qos_data.active = 0;
2037                 priv->ieee80211->current_network.qos_data.supported = 0;
2038                 set_qos_param = 1;
2039         }
2040
2041         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2042
2043         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2044                  network->flags,
2045                  priv->ieee80211->current_network.qos_data.active);
2046         if (set_qos_param == 1)
2047                 schedule_work(&priv->qos_activate);
2048
2049
2050         return 0;
2051 }
2052
2053
2054 static int rtl8192_handle_assoc_response(
2055                 struct net_device *dev,
2056                 struct ieee80211_assoc_response_frame *resp,
2057                 struct ieee80211_network *network)
2058 {
2059         struct r8192_priv *priv = ieee80211_priv(dev);
2060
2061         rtl8192_qos_association_resp(priv, network);
2062         return 0;
2063 }
2064
2065
2066 static void rtl8192_update_ratr_table(struct net_device *dev)
2067 {
2068         struct r8192_priv *priv = ieee80211_priv(dev);
2069         struct ieee80211_device *ieee = priv->ieee80211;
2070         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2071         u32 ratr_value = 0;
2072         u8 rate_index = 0;
2073
2074         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2075         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2076         switch (ieee->mode) {
2077         case IEEE_A:
2078                 ratr_value &= 0x00000FF0;
2079                 break;
2080         case IEEE_B:
2081                 ratr_value &= 0x0000000F;
2082                 break;
2083         case IEEE_G:
2084                 ratr_value &= 0x00000FF7;
2085                 break;
2086         case IEEE_N_24G:
2087         case IEEE_N_5G:
2088                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2089                         ratr_value &= 0x0007F007;
2090                 } else {
2091                         if (priv->rf_type == RF_1T2R)
2092                                 ratr_value &= 0x000FF007;
2093                         else
2094                                 ratr_value &= 0x0F81F007;
2095                 }
2096                 break;
2097         default:
2098                 break;
2099         }
2100         ratr_value &= 0x0FFFFFFF;
2101         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2102                 ratr_value |= 0x80000000;
2103         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2104                  ieee->pHTInfo->bCurShortGI20MHz)
2105                 ratr_value |= 0x80000000;
2106         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2107         write_nic_byte(dev, UFWP, 1);
2108 }
2109
2110 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2111 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2112 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2113 {
2114         struct r8192_priv *priv = ieee80211_priv(dev);
2115         struct ieee80211_device *ieee = priv->ieee80211;
2116         struct ieee80211_network *network = &ieee->current_network;
2117         int wpa_ie_len = ieee->wpa_ie_len;
2118         struct ieee80211_crypt_data *crypt;
2119         int encrypt;
2120
2121         crypt = ieee->crypt[ieee->tx_keyidx];
2122         /* we use connecting AP's capability instead of only security config
2123          * on our driver to distinguish whether it should use N mode or G mode
2124          */
2125         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2126                   (ieee->host_encrypt && crypt && crypt->ops &&
2127                    (0 == strcmp(crypt->ops->name, "WEP")));
2128
2129         /* simply judge  */
2130         if (encrypt && (wpa_ie_len == 0)) {
2131                 /* wep encryption, no N mode setting */
2132                 return false;
2133         } else if ((wpa_ie_len != 0)) {
2134                 /* parse pairwise key type */
2135                 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))))
2136                         return true;
2137                 else
2138                         return false;
2139         } else {
2140                 return true;
2141         }
2142
2143         return true;
2144 }
2145
2146 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2147 {
2148         struct r8192_priv *priv = ieee80211_priv(dev);
2149
2150         return priv->ieee80211->bHalfWirelessN24GMode;
2151 }
2152
2153 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2154 {
2155         struct ieee80211_device *ieee = priv->ieee80211;
2156         /* We do not consider set support rate for ABG mode, only
2157          * HT MCS rate is set here.
2158          */
2159         if (ieee->mode == WIRELESS_MODE_N_24G ||
2160             ieee->mode == WIRELESS_MODE_N_5G)
2161                 memcpy(ieee->Regdot11HTOperationalRateSet,
2162                        ieee->RegHTSuppRateSet, 16);
2163         else
2164                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2165 }
2166
2167 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2168 {
2169         struct r8192_priv *priv = ieee80211_priv(dev);
2170         u8 ret = 0;
2171
2172         switch (priv->rf_chip) {
2173         case RF_8225:
2174         case RF_8256:
2175         case RF_PSEUDO_11N:
2176                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2177                 break;
2178         case RF_8258:
2179                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2180                 break;
2181         default:
2182                 ret = WIRELESS_MODE_B;
2183                 break;
2184         }
2185         return ret;
2186 }
2187
2188 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2189 {
2190         struct r8192_priv *priv = ieee80211_priv(dev);
2191         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2192
2193         if (wireless_mode == WIRELESS_MODE_AUTO ||
2194             (wireless_mode & bSupportMode) == 0) {
2195                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2196                         wireless_mode = WIRELESS_MODE_N_24G;
2197                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2198                         wireless_mode = WIRELESS_MODE_N_5G;
2199                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2200                         wireless_mode = WIRELESS_MODE_A;
2201                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2202                         wireless_mode = WIRELESS_MODE_G;
2203                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2204                         wireless_mode = WIRELESS_MODE_B;
2205                 } else {
2206                         RT_TRACE(COMP_ERR,
2207                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2208                                  __func__, bSupportMode);
2209                         wireless_mode = WIRELESS_MODE_B;
2210                 }
2211         }
2212 #ifdef TO_DO_LIST
2213         /* TODO: this function doesn't work well at this time,
2214          * we should wait for FPGA
2215          */
2216         ActUpdateChannelAccessSetting(
2217                         pAdapter, pHalData->CurrentWirelessMode,
2218                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2219 #endif
2220         priv->ieee80211->mode = wireless_mode;
2221
2222         if (wireless_mode == WIRELESS_MODE_N_24G ||
2223             wireless_mode == WIRELESS_MODE_N_5G)
2224                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2225         else
2226                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2227         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2228         rtl8192_refresh_supportrate(priv);
2229 }
2230
2231 /* init priv variables here. only non_zero value should be initialized here. */
2232 static void rtl8192_init_priv_variable(struct net_device *dev)
2233 {
2234         struct r8192_priv *priv = ieee80211_priv(dev);
2235         u8 i;
2236
2237         priv->card_8192 = NIC_8192U;
2238         priv->chan = 1; /* set to channel 1 */
2239         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2240         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2241         priv->ieee80211->ieee_up = 0;
2242         priv->retry_rts = DEFAULT_RETRY_RTS;
2243         priv->retry_data = DEFAULT_RETRY_DATA;
2244         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2245         priv->ieee80211->rate = 110; /* 11 mbps */
2246         priv->ieee80211->short_slot = 1;
2247         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2248         priv->CckPwEnl = 6;
2249         /* for silent reset */
2250         priv->IrpPendingCount = 1;
2251         priv->ResetProgress = RESET_TYPE_NORESET;
2252         priv->bForcedSilentReset = false;
2253         priv->bDisableNormalResetCheck = false;
2254         priv->force_reset = false;
2255
2256         /* we don't use FW read/write RF until stable firmware is available. */
2257         priv->ieee80211->FwRWRF = 0;
2258         priv->ieee80211->current_network.beacon_interval =
2259                 DEFAULT_BEACONINTERVAL;
2260         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2261                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2262                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2263                 IEEE_SOFTMAC_BEACONS;
2264
2265         priv->ieee80211->active_scan = 1;
2266         priv->ieee80211->modulation =
2267                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2268         priv->ieee80211->host_encrypt = 1;
2269         priv->ieee80211->host_decrypt = 1;
2270         priv->ieee80211->start_send_beacons = NULL;
2271         priv->ieee80211->stop_send_beacons = NULL;
2272         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2273         priv->ieee80211->set_chan = rtl8192_set_chan;
2274         priv->ieee80211->link_change = rtl8192_link_change;
2275         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2276         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2277         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2278         priv->ieee80211->init_wmmparam_flag = 0;
2279         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2280         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2281         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2282         priv->ieee80211->qos_support = 1;
2283
2284         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2285         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2286         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2287
2288         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2289         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2290                 GetHalfNmodeSupportByAPs819xUsb;
2291         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2292
2293         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2294         priv->card_type = USB;
2295 #ifdef TO_DO_LIST
2296         if (Adapter->bInHctTest) {
2297                 pHalData->ShortRetryLimit = 7;
2298                 pHalData->LongRetryLimit = 7;
2299         }
2300 #endif
2301         priv->ShortRetryLimit = 0x30;
2302         priv->LongRetryLimit = 0x30;
2303         priv->EarlyRxThreshold = 7;
2304         priv->enable_gpio0 = 0;
2305         priv->TransmitConfig =
2306                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2307                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2308                 /* Short retry limit */
2309                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2310                 /* Long retry limit */
2311                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2312                 /* FALSE: HW provides PLCP length and LENGEXT
2313                  * TRUE: SW provides them
2314                  */
2315                 (false ? TCR_SAT : 0);
2316 #ifdef TO_DO_LIST
2317         if (Adapter->bInHctTest)
2318                 pHalData->ReceiveConfig =
2319                         pHalData->CSMethod |
2320                         /* accept management/data */
2321                         RCR_AMF | RCR_ADF |
2322                         /* accept control frame for SW
2323                          * AP needs PS-poll
2324                          */
2325                         RCR_ACF |
2326                         /* accept BC/MC/UC */
2327                         RCR_AB | RCR_AM | RCR_APM |
2328                         /* accept ICV/CRC error
2329                          * packet
2330                          */
2331                         RCR_AICV | RCR_ACRC32 |
2332                         /* Max DMA Burst Size per Tx
2333                          * DMA Burst, 7: unlimited.
2334                          */
2335                         ((u32)7 << RCR_MXDMA_OFFSET) |
2336                         /* Rx FIFO Threshold,
2337                          * 7: No Rx threshold.
2338                          */
2339                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2340                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2341         else
2342
2343 #endif
2344         priv->ReceiveConfig     =
2345                 /* accept management/data */
2346                 RCR_AMF | RCR_ADF |
2347                 /* accept control frame for SW AP needs PS-poll */
2348                 RCR_ACF |
2349                 /* accept BC/MC/UC */
2350                 RCR_AB | RCR_AM | RCR_APM |
2351                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2352                 ((u32)7 << RCR_MXDMA_OFFSET) |
2353                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2354                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2355                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2356
2357         priv->AcmControl = 0;
2358         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2359
2360         /* rx related queue */
2361         skb_queue_head_init(&priv->rx_queue);
2362         skb_queue_head_init(&priv->skb_queue);
2363
2364         /* Tx related queue */
2365         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2366                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2367         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2368                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2369         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2370                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2371         priv->rf_set_chan = rtl8192_phy_SwChnl;
2372 }
2373
2374 /* init lock here */
2375 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2376 {
2377         spin_lock_init(&priv->tx_lock);
2378         spin_lock_init(&priv->irq_lock);
2379         mutex_init(&priv->wx_mutex);
2380         sema_init(&priv->rf_sem, 1);
2381         mutex_init(&priv->mutex);
2382 }
2383
2384 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2385
2386 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2387 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2388 #define DRV_NAME "wlan0"
2389 static void rtl8192_init_priv_task(struct net_device *dev)
2390 {
2391         struct r8192_priv *priv = ieee80211_priv(dev);
2392
2393
2394         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2395
2396         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2397                           rtl819x_watchdog_wqcallback);
2398         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2399                           dm_txpower_trackingcallback);
2400         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2401                           dm_rf_pathcheck_workitemcallback);
2402         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2403                           rtl8192_update_beacon);
2404         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2405                           InitialGainOperateWorkItemCallBack);
2406         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2407
2408         tasklet_init(&priv->irq_rx_tasklet,
2409                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2410                      (unsigned long)priv);
2411 }
2412
2413 static void rtl8192_get_eeprom_size(struct net_device *dev)
2414 {
2415         u16 curCR = 0;
2416         struct r8192_priv *priv = ieee80211_priv(dev);
2417
2418         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2419         read_nic_word_E(dev, EPROM_CMD, &curCR);
2420         RT_TRACE(COMP_EPROM,
2421                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2422         /* whether need I consider BIT(5?) */
2423         priv->epromtype =
2424                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2425         RT_TRACE(COMP_EPROM,
2426                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2427 }
2428
2429 /* used to swap endian. as ntohl & htonl are not necessary
2430  * to swap endian, so use this instead.
2431  */
2432 static inline u16 endian_swap(u16 *data)
2433 {
2434         u16 tmp = *data;
2435         *data = (tmp >> 8) | (tmp << 8);
2436         return *data;
2437 }
2438
2439 static int rtl8192_read_eeprom_info(struct net_device *dev)
2440 {
2441         u16 wEPROM_ID = 0;
2442         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2443         u8 bLoad_From_EEPOM = false;
2444         struct r8192_priv *priv = ieee80211_priv(dev);
2445         u16 tmpValue = 0;
2446         int i;
2447         int ret;
2448
2449         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2450         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2451         if (ret < 0)
2452                 return ret;
2453         wEPROM_ID = (u16)ret;
2454         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2455
2456         if (wEPROM_ID != RTL8190_EEPROM_ID)
2457                 RT_TRACE(COMP_ERR,
2458                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2459                          wEPROM_ID, RTL8190_EEPROM_ID);
2460         else
2461                 bLoad_From_EEPOM = true;
2462
2463         if (bLoad_From_EEPOM) {
2464                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2465                 ret = eprom_read(dev, EEPROM_VID >> 1);
2466                 if (ret < 0)
2467                         return ret;
2468                 tmpValue = (u16)ret;
2469                 priv->eeprom_vid = endian_swap(&tmpValue);
2470                 ret = eprom_read(dev, EEPROM_PID >> 1);
2471                 if (ret < 0)
2472                         return ret;
2473                 priv->eeprom_pid = (u16)ret;
2474                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2475                 if (ret < 0)
2476                         return ret;
2477                 tmpValue = (u16)ret;
2478                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2479                 priv->btxpowerdata_readfromEEPORM = true;
2480                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2481                 if (ret < 0)
2482                         return ret;
2483                 priv->eeprom_CustomerID = (u16)ret;
2484         } else {
2485                 priv->eeprom_vid = 0;
2486                 priv->eeprom_pid = 0;
2487                 priv->card_8192_version = VERSION_819xU_B;
2488                 priv->eeprom_ChannelPlan = 0;
2489                 priv->eeprom_CustomerID = 0;
2490         }
2491         RT_TRACE(COMP_EPROM,
2492                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2493                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2494                  priv->eeprom_ChannelPlan);
2495         /* set channelplan from eeprom */
2496         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2497         if (bLoad_From_EEPOM) {
2498                 int i;
2499
2500                 for (i = 0; i < 6; i += 2) {
2501                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2502                         if (ret < 0)
2503                                 return ret;
2504                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2505                 }
2506         } else {
2507                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2508                 /* should I set IDR0 here? */
2509         }
2510         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2511         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2512         priv->rf_chip = RF_8256;
2513
2514         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2515                 /* read Tx power gain offset of legacy OFDM to HT rate */
2516                 if (bLoad_From_EEPOM) {
2517                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2518                         if (ret < 0)
2519                                 return ret;
2520                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2521                 } else
2522                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2523                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2524                 /* read ThermalMeter from EEPROM */
2525                 if (bLoad_From_EEPOM) {
2526                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2527                         if (ret < 0)
2528                                 return ret;
2529                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2530                 } else
2531                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2532                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2533                 /* for tx power track */
2534                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2535                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2536                 if (bLoad_From_EEPOM) {
2537                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2538                         if (ret < 0)
2539                                 return ret;
2540                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2541                 } else
2542                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2543                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2544                 /* Read CrystalCap from EEPROM */
2545                 if (bLoad_From_EEPOM) {
2546                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2547                         if (ret < 0)
2548                                 return ret;
2549                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2550                 } else
2551                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2552                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2553                 /* get per-channel Tx power level */
2554                 if (bLoad_From_EEPOM) {
2555                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2556                         if (ret < 0)
2557                                 return ret;
2558                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2559                 } else
2560                         priv->EEPROM_Def_Ver = 1;
2561                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2562                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2563                         int i;
2564
2565                         if (bLoad_From_EEPOM) {
2566                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2567                                 if (ret < 0)
2568                                         return ret;
2569                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2570                         } else
2571                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2572                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2573                         for (i = 0; i < 3; i++) {
2574                                 if (bLoad_From_EEPOM) {
2575                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2576                                         if ( ret < 0)
2577                                                 return ret;
2578                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2579                                                 tmpValue = (u16)ret & 0x00ff;
2580                                         else
2581                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2582                                 } else {
2583                                         tmpValue = 0x10;
2584                                 }
2585                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2586                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2587                         }
2588                 } else if (priv->EEPROM_Def_Ver == 1) {
2589                         if (bLoad_From_EEPOM) {
2590                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2591                                 if (ret < 0)
2592                                         return ret;
2593                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2594                         } else {
2595                                 tmpValue = 0x10;
2596                         }
2597                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2598
2599                         if (bLoad_From_EEPOM) {
2600                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2601                                 if (ret < 0)
2602                                         return ret;
2603                                 tmpValue = (u16)ret;
2604                         } else
2605                                 tmpValue = 0x1010;
2606                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2607                         if (bLoad_From_EEPOM)
2608                                 tmpValue = eprom_read(dev,
2609                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2610                         else
2611                                 tmpValue = 0x1010;
2612                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2613                         if (bLoad_From_EEPOM)
2614                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2615                         else
2616                                 tmpValue = 0x10;
2617                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2618                 } /* endif EEPROM_Def_Ver == 1 */
2619
2620                 /* update HAL variables */
2621                 for (i = 0; i < 14; i++) {
2622                         if (i <= 3)
2623                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2624                         else if (i >= 4 && i <= 9)
2625                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2626                         else
2627                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2628                 }
2629
2630                 for (i = 0; i < 14; i++) {
2631                         if (priv->EEPROM_Def_Ver == 0) {
2632                                 if (i <= 3)
2633                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2634                                 else if (i >= 4 && i <= 9)
2635                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2636                                 else
2637                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2638                         } else if (priv->EEPROM_Def_Ver == 1) {
2639                                 if (i <= 3)
2640                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2641                                 else if (i >= 4 && i <= 9)
2642                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2643                                 else
2644                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2645                         }
2646                 }
2647                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2648                 /* Antenna B gain offset to antenna A, bit0~3 */
2649                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2650                 /* Antenna C gain offset to antenna A, bit4~7 */
2651                 priv->AntennaTxPwDiff[1] =
2652                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2653                 /* CrystalCap, bit12~15 */
2654                 priv->CrystalCap = priv->EEPROMCrystalCap;
2655                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2656                  * 92U does not enable TX power tracking.
2657                  */
2658                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2659         } /* end if VersionID == VERSION_819xU_A */
2660
2661         /* for dlink led */
2662         switch (priv->eeprom_CustomerID) {
2663         case EEPROM_CID_RUNTOP:
2664                 priv->CustomerID = RT_CID_819x_RUNTOP;
2665                 break;
2666
2667         case EEPROM_CID_DLINK:
2668                 priv->CustomerID = RT_CID_DLINK;
2669                 break;
2670
2671         default:
2672                 priv->CustomerID = RT_CID_DEFAULT;
2673                 break;
2674         }
2675
2676         switch (priv->CustomerID) {
2677         case RT_CID_819x_RUNTOP:
2678                 priv->LedStrategy = SW_LED_MODE2;
2679                 break;
2680
2681         case RT_CID_DLINK:
2682                 priv->LedStrategy = SW_LED_MODE4;
2683                 break;
2684
2685         default:
2686                 priv->LedStrategy = SW_LED_MODE0;
2687                 break;
2688         }
2689
2690
2691         if (priv->rf_type == RF_1T2R)
2692                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2693         else
2694                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2695
2696         /* We can only know RF type in the function. So we have to init
2697          * DIG RATR table again.
2698          */
2699         init_rate_adaptive(dev);
2700
2701         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2702
2703         return 0;
2704 }
2705
2706 static short rtl8192_get_channel_map(struct net_device *dev)
2707 {
2708         struct r8192_priv *priv = ieee80211_priv(dev);
2709
2710         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2711                 netdev_err(dev,
2712                            "rtl8180_init: Error channel plan! Set to default.\n");
2713                 priv->ChannelPlan = 0;
2714         }
2715         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2716
2717         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2718         return 0;
2719 }
2720
2721 static short rtl8192_init(struct net_device *dev)
2722 {
2723         struct r8192_priv *priv = ieee80211_priv(dev);
2724         int err;
2725
2726         memset(&(priv->stats), 0, sizeof(struct Stats));
2727         memset(priv->txqueue_to_outpipemap, 0, 9);
2728 #ifdef PIPE12
2729         {
2730                 int i = 0;
2731                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2732
2733                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2734         }
2735 #else
2736         {
2737                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2738
2739                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2740         }
2741 #endif
2742         rtl8192_init_priv_variable(dev);
2743         rtl8192_init_priv_lock(priv);
2744         rtl8192_init_priv_task(dev);
2745         rtl8192_get_eeprom_size(dev);
2746         err = rtl8192_read_eeprom_info(dev);
2747         if (err) {
2748                 DMESG("Reading EEPROM info failed");
2749                 kfree(priv->pFirmware);
2750                 priv->pFirmware = NULL;
2751                 free_ieee80211(dev);
2752                 return err;
2753         }
2754         rtl8192_get_channel_map(dev);
2755         init_hal_dm(dev);
2756         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2757                     (unsigned long)dev);
2758         if (rtl8192_usb_initendpoints(dev) != 0) {
2759                 DMESG("Endopoints initialization failed");
2760                 return -ENOMEM;
2761         }
2762
2763         return 0;
2764 }
2765
2766 /******************************************************************************
2767  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2768  *           not to do all the hw config as its name says
2769  *   input:  net_device dev
2770  *  output:  none
2771  *  return:  none
2772  *  notice:  This part need to modified according to the rate set we filtered
2773  * ****************************************************************************/
2774 static void rtl8192_hwconfig(struct net_device *dev)
2775 {
2776         u32 regRATR = 0, regRRSR = 0;
2777         u8 regBwOpMode = 0, regTmp = 0;
2778         struct r8192_priv *priv = ieee80211_priv(dev);
2779         u32 ratr_value = 0;
2780
2781         /* Set RRSR, RATR, and BW_OPMODE registers */
2782         switch (priv->ieee80211->mode) {
2783         case WIRELESS_MODE_B:
2784                 regBwOpMode = BW_OPMODE_20MHZ;
2785                 regRATR = RATE_ALL_CCK;
2786                 regRRSR = RATE_ALL_CCK;
2787                 break;
2788         case WIRELESS_MODE_A:
2789                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2790                 regRATR = RATE_ALL_OFDM_AG;
2791                 regRRSR = RATE_ALL_OFDM_AG;
2792                 break;
2793         case WIRELESS_MODE_G:
2794                 regBwOpMode = BW_OPMODE_20MHZ;
2795                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2796                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2797                 break;
2798         case WIRELESS_MODE_AUTO:
2799 #ifdef TO_DO_LIST
2800                 if (Adapter->bInHctTest) {
2801                         regBwOpMode = BW_OPMODE_20MHZ;
2802                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2803                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2804                 } else
2805 #endif
2806                 {
2807                         regBwOpMode = BW_OPMODE_20MHZ;
2808                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2809                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2810                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2811                 }
2812                 break;
2813         case WIRELESS_MODE_N_24G:
2814                 /* It support CCK rate by default. CCK rate will be filtered
2815                  * out only when associated AP does not support it.
2816                  */
2817                 regBwOpMode = BW_OPMODE_20MHZ;
2818                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2819                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2820                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2821                 break;
2822         case WIRELESS_MODE_N_5G:
2823                 regBwOpMode = BW_OPMODE_5G;
2824                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2825                           RATE_ALL_OFDM_2SS;
2826                 regRRSR = RATE_ALL_OFDM_AG;
2827                 break;
2828         }
2829
2830         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2831         ratr_value = regRATR;
2832         if (priv->rf_type == RF_1T2R)
2833                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2834         write_nic_dword(dev, RATR0, ratr_value);
2835         write_nic_byte(dev, UFWP, 1);
2836         read_nic_byte(dev, 0x313, &regTmp);
2837         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2838         write_nic_dword(dev, RRSR, regRRSR);
2839
2840         /* Set Retry Limit here */
2841         write_nic_word(dev, RETRY_LIMIT,
2842                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2843                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2844         /* Set Contention Window here */
2845
2846         /* Set Tx AGC */
2847
2848         /* Set Tx Antenna including Feedback control */
2849
2850         /* Set Auto Rate fallback control */
2851 }
2852
2853
2854 /* InitializeAdapter and PhyCfg */
2855 static bool rtl8192_adapter_start(struct net_device *dev)
2856 {
2857         struct r8192_priv *priv = ieee80211_priv(dev);
2858         u32 dwRegRead = 0;
2859         bool init_status = true;
2860         u8 SECR_value = 0x0;
2861         u8 tmp;
2862
2863         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2864         priv->Rf_Mode = RF_OP_By_SW_3wire;
2865         /* for ASIC power on sequence */
2866         write_nic_byte_E(dev, 0x5f, 0x80);
2867         mdelay(50);
2868         write_nic_byte_E(dev, 0x5f, 0xf0);
2869         write_nic_byte_E(dev, 0x5d, 0x00);
2870         write_nic_byte_E(dev, 0x5e, 0x80);
2871         write_nic_byte(dev, 0x17, 0x37);
2872         mdelay(10);
2873         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2874         /* config CPUReset Register */
2875         /* Firmware Reset or not? */
2876         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2877         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2878                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2879         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2880                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2881         else
2882                 RT_TRACE(COMP_ERR,
2883                          "ERROR in %s(): undefined firmware state(%d)\n",
2884                          __func__,   priv->pFirmware->firmware_status);
2885
2886         write_nic_dword(dev, CPU_GEN, dwRegRead);
2887         /* config BB. */
2888         rtl8192_BBConfig(dev);
2889
2890         /* Loopback mode or not */
2891         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2892
2893         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2894         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2895                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2896                             CPU_GEN_NO_LOOPBACK_SET;
2897         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2898                 dwRegRead |= CPU_CCK_LOOPBACK;
2899         else
2900                 RT_TRACE(COMP_ERR,
2901                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2902                          __func__,  priv->LoopbackMode);
2903
2904         write_nic_dword(dev, CPU_GEN, dwRegRead);
2905
2906         /* after reset cpu, we need wait for a seconds to write in register. */
2907         udelay(500);
2908
2909         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2910         read_nic_byte_E(dev, 0x5f, &tmp);
2911         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2912
2913         /* Set Hardware */
2914         rtl8192_hwconfig(dev);
2915
2916         /* turn on Tx/Rx */
2917         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2918
2919         /* set IDR0 here */
2920         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2921         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2922
2923         /* set RCR */
2924         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2925
2926         /* Initialize Number of Reserved Pages in Firmware Queue */
2927         write_nic_dword(dev, RQPN1,
2928                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2929                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2930                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2931                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2932         write_nic_dword(dev, RQPN2,
2933                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2934                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2935         write_nic_dword(dev, RQPN3,
2936                 APPLIED_RESERVED_QUEUE_IN_FW |
2937                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2938         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2939
2940         /* Set AckTimeout */
2941         /* TODO: (it value is only for FPGA version). need to be changed!! */
2942         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2943
2944         if (priv->ResetProgress == RESET_TYPE_NORESET)
2945                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2946         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2947                 CamResetAllEntry(dev);
2948                 SECR_value |= SCR_TxEncEnable;
2949                 SECR_value |= SCR_RxDecEnable;
2950                 SECR_value |= SCR_NoSKMC;
2951                 write_nic_byte(dev, SECR, SECR_value);
2952         }
2953
2954         /* Beacon related */
2955         write_nic_word(dev, ATIMWND, 2);
2956         write_nic_word(dev, BCN_INTERVAL, 100);
2957
2958 #define DEFAULT_EDCA 0x005e4332
2959         {
2960                 int i;
2961
2962                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2963                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2964         }
2965
2966         rtl8192_phy_configmac(dev);
2967
2968         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2969                 rtl8192_phy_getTxPower(dev);
2970                 rtl8192_phy_setTxPower(dev, priv->chan);
2971         }
2972
2973         /* Firmware download */
2974         init_status = init_firmware(dev);
2975         if (!init_status) {
2976                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2977                          __func__);
2978                 return init_status;
2979         }
2980         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2981
2982 #ifdef TO_DO_LIST
2983         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2984                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2985                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2986                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2987                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2988                         /* Those actions will be discard in MgntActSet_RF_State
2989                          * because of the same state
2990                          */
2991                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2992                                 PHY_SetRFReg(Adapter,
2993                                              (RF90_RADIO_PATH_E)eRFPath,
2994                                              0x4, 0xC00, 0x0);
2995                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2996                         /* H/W or S/W RF OFF before sleep. */
2997                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2998                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2999                                   pMgntInfo->RfOffReason));
3000                         MgntActSet_RF_State(Adapter,
3001                                             eRfOff,
3002                                             pMgntInfo->RfOffReason);
3003                 } else {
3004                         pHalData->eRFPowerState = eRfOn;
3005                         pMgntInfo->RfOffReason = 0;
3006                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
3007                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
3008                 }
3009         } else {
3010                 if (pHalData->eRFPowerState == eRfOff) {
3011                         MgntActSet_RF_State(Adapter,
3012                                             eRfOff,
3013                                             pMgntInfo->RfOffReason);
3014                         /* Those actions will be discard in MgntActSet_RF_State
3015                          * because of the same state
3016                          */
3017                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
3018                                 PHY_SetRFReg(Adapter,
3019                                              (RF90_RADIO_PATH_E)eRFPath,
3020                                              0x4, 0xC00, 0x0);
3021                 }
3022         }
3023 #endif
3024         /* config RF. */
3025         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3026                 rtl8192_phy_RFConfig(dev);
3027                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
3028         }
3029
3030
3031         if (priv->ieee80211->FwRWRF)
3032                 /* We can force firmware to do RF-R/W */
3033                 priv->Rf_Mode = RF_OP_By_FW;
3034         else
3035                 priv->Rf_Mode = RF_OP_By_SW_3wire;
3036
3037
3038         rtl8192_phy_updateInitGain(dev);
3039         /*--set CCK and OFDM Block "ON"--*/
3040         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3041         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3042
3043         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3044                 /* if D or C cut */
3045                 u8 tmpvalue;
3046
3047                 read_nic_byte(dev, 0x301, &tmpvalue);
3048                 if (tmpvalue == 0x03) {
3049                         priv->bDcut = true;
3050                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3051                 } else {
3052                         priv->bDcut = false;
3053                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3054                 }
3055                 dm_initialize_txpower_tracking(dev);
3056
3057                 if (priv->bDcut) {
3058                         u32 i, TempCCk;
3059                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3060                                                          rOFDM0_XATxIQImbalance,
3061                                                          bMaskDWord);
3062
3063                         for (i = 0; i < TxBBGainTableLength; i++) {
3064                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3065                                         priv->rfa_txpowertrackingindex = (u8)i;
3066                                         priv->rfa_txpowertrackingindex_real =
3067                                                 (u8)i;
3068                                         priv->rfa_txpowertracking_default =
3069                                                 priv->rfa_txpowertrackingindex;
3070                                         break;
3071                                 }
3072                         }
3073
3074                         TempCCk = rtl8192_QueryBBReg(dev,
3075                                                      rCCK0_TxFilter1,
3076                                                      bMaskByte2);
3077
3078                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3079                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3080                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3081                                         break;
3082                                 }
3083                         }
3084                         priv->cck_present_attentuation_40Mdefault = 0;
3085                         priv->cck_present_attentuation_difference = 0;
3086                         priv->cck_present_attentuation =
3087                                 priv->cck_present_attentuation_20Mdefault;
3088                 }
3089         }
3090         write_nic_byte(dev, 0x87, 0x0);
3091
3092
3093         return init_status;
3094 }
3095
3096 /* this configures registers for beacon tx and enables it via
3097  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3098  * be used to stop beacon transmission
3099  */
3100 /***************************************************************************
3101     -------------------------------NET STUFF---------------------------
3102 ***************************************************************************/
3103
3104 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3105 {
3106         struct r8192_priv *priv = ieee80211_priv(dev);
3107
3108         return &priv->ieee80211->stats;
3109 }
3110
3111 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3112 {
3113         struct r8192_priv *priv = ieee80211_priv(dev);
3114         u16             RegTxCounter;
3115         bool            bStuck = false;
3116
3117         read_nic_word(dev, 0x128, &RegTxCounter);
3118         RT_TRACE(COMP_RESET,
3119                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3120                  RegTxCounter, priv->TxCounter);
3121         if (priv->TxCounter == RegTxCounter)
3122                 bStuck = true;
3123
3124         priv->TxCounter = RegTxCounter;
3125
3126         return bStuck;
3127 }
3128
3129 /*
3130 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3131 *       First added: 2006.11.19 by emily
3132 */
3133 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3134 {
3135         struct r8192_priv *priv = ieee80211_priv(dev);
3136         u8                      QueueID;
3137         bool                    bCheckFwTxCnt = false;
3138
3139         /* Decide such threshold according to current power save mode */
3140
3141         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3142                 if (QueueID == TXCMD_QUEUE)
3143                         continue;
3144                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3145                         continue;
3146
3147                 bCheckFwTxCnt = true;
3148         }
3149         if (bCheckFwTxCnt) {
3150                 if (HalTxCheckStuck819xUsb(dev)) {
3151                         RT_TRACE(COMP_RESET,
3152                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3153                         return RESET_TYPE_SILENT;
3154                 }
3155         }
3156         return RESET_TYPE_NORESET;
3157 }
3158
3159 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3160 {
3161         u16     RegRxCounter;
3162         struct r8192_priv *priv = ieee80211_priv(dev);
3163         bool bStuck = false;
3164         static u8       rx_chk_cnt;
3165
3166         read_nic_word(dev, 0x130, &RegRxCounter);
3167         RT_TRACE(COMP_RESET,
3168                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3169                  RegRxCounter, priv->RxCounter);
3170         /* If rssi is small, we should check rx for long time because of bad rx.
3171          * or maybe it will continuous silent reset every 2 seconds.
3172          */
3173         rx_chk_cnt++;
3174         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3175                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3176         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3177                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3178                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3179                 if (rx_chk_cnt < 2)
3180                         return bStuck;
3181
3182                 rx_chk_cnt = 0;
3183         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3184                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3185                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3186                 if (rx_chk_cnt < 4)
3187                         return bStuck;
3188
3189                 rx_chk_cnt = 0;
3190         } else {
3191                 if (rx_chk_cnt < 8)
3192                         return bStuck;
3193
3194                 rx_chk_cnt = 0;
3195         }
3196
3197         if (priv->RxCounter == RegRxCounter)
3198                 bStuck = true;
3199
3200         priv->RxCounter = RegRxCounter;
3201
3202         return bStuck;
3203 }
3204
3205 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3206 {
3207         struct r8192_priv *priv = ieee80211_priv(dev);
3208         bool        bRxCheck = false;
3209
3210         if (priv->IrpPendingCount > 1)
3211                 bRxCheck = true;
3212
3213         if (bRxCheck) {
3214                 if (HalRxCheckStuck819xUsb(dev)) {
3215                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3216                         return RESET_TYPE_SILENT;
3217                 }
3218         }
3219         return RESET_TYPE_NORESET;
3220 }
3221
3222
3223 /**
3224  * This function is called by Checkforhang to check whether we should
3225  * ask OS to reset driver
3226  *
3227  * \param pAdapter      The adapter context for this miniport
3228  *
3229  * Note:NIC with USB interface sholud not call this function because we
3230  * cannot scan descriptor to judge whether there is tx stuck.
3231  * Note: This function may be required to be rewrite for Vista OS.
3232  * <<<Assumption: Tx spinlock has been acquired >>>
3233  *
3234  * 8185 and 8185b does not implement this function.
3235  */
3236 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3237 {
3238         struct r8192_priv *priv = ieee80211_priv(dev);
3239         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3240         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3241         RT_RF_POWER_STATE       rfState;
3242
3243         rfState = priv->ieee80211->eRFPowerState;
3244
3245         TxResetType = TxCheckStuck(dev);
3246         if (rfState != eRfOff ||
3247             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3248                 /* If driver is in the status of firmware download failure,
3249                  * driver skips RF initialization and RF is in turned off
3250                  * state. Driver should check whether Rx stuck and do silent
3251                  * reset. And if driver is in firmware download failure status,
3252                  * driver should initialize RF in the following silent reset
3253                  * procedure
3254                  *
3255                  * Driver should not check RX stuck in IBSS mode because it is
3256                  * required to set Check BSSID in order to send beacon,
3257                  * however, if check BSSID is set, STA cannot hear any packet
3258                  * at all.
3259                  */
3260                 RxResetType = RxCheckStuck(dev);
3261         }
3262         if (TxResetType == RESET_TYPE_NORMAL ||
3263             RxResetType == RESET_TYPE_NORMAL) {
3264                 return RESET_TYPE_NORMAL;
3265         } else if (TxResetType == RESET_TYPE_SILENT ||
3266                    RxResetType == RESET_TYPE_SILENT) {
3267                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3268                 return RESET_TYPE_SILENT;
3269         } else {
3270                 return RESET_TYPE_NORESET;
3271         }
3272 }
3273
3274 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3275 static int _rtl8192_up(struct net_device *dev);
3276 static int rtl8192_close(struct net_device *dev);
3277
3278
3279
3280 static void CamRestoreAllEntry(struct net_device *dev)
3281 {
3282         u8 EntryId = 0;
3283         struct r8192_priv *priv = ieee80211_priv(dev);
3284         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3285
3286         static u8       CAM_CONST_ADDR[4][6] = {
3287                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3288                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3289                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3290                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3291         static u8       CAM_CONST_BROAD[] = {
3292                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3293
3294         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3295
3296
3297         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3298             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3299                 for (EntryId = 0; EntryId < 4; EntryId++) {
3300                         MacAddr = CAM_CONST_ADDR[EntryId];
3301                         setKey(dev, EntryId, EntryId,
3302                                priv->ieee80211->pairwise_key_type,
3303                                MacAddr, 0, NULL);
3304                 }
3305
3306         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3307                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3308                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3309                                (u8 *)dev->dev_addr, 0, NULL);
3310                 else
3311                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3312                                MacAddr, 0, NULL);
3313         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3314                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3315                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3316                                (u8 *)dev->dev_addr, 0, NULL);
3317                 else
3318                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3319                                MacAddr, 0, NULL);
3320         }
3321
3322
3323
3324         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3325                 MacAddr = CAM_CONST_BROAD;
3326                 for (EntryId = 1; EntryId < 4; EntryId++) {
3327                         setKey(dev, EntryId, EntryId,
3328                                priv->ieee80211->group_key_type,
3329                                MacAddr, 0, NULL);
3330                 }
3331                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3332                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3333                                CAM_CONST_ADDR[0], 0, NULL);
3334         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3335                 MacAddr = CAM_CONST_BROAD;
3336                 for (EntryId = 1; EntryId < 4; EntryId++) {
3337                         setKey(dev, EntryId, EntryId,
3338                                priv->ieee80211->group_key_type,
3339                                MacAddr, 0, NULL);
3340                 }
3341
3342                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3343                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3344                                CAM_CONST_ADDR[0], 0, NULL);
3345         }
3346 }
3347
3348 /* This function is used to fix Tx/Rx stop bug temporarily.
3349  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3350  * The method checking Tx/Rx stuck of this function is supported by FW,
3351  * which reports Tx and Rx counter to register 0x128 and 0x130.
3352  */
3353 static void rtl819x_ifsilentreset(struct net_device *dev)
3354 {
3355         struct r8192_priv *priv = ieee80211_priv(dev);
3356         u8      reset_times = 0;
3357         int reset_status = 0;
3358         struct ieee80211_device *ieee = priv->ieee80211;
3359
3360
3361         /* If we need to check CCK stop, please uncomment this line. */
3362         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3363
3364         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3365 RESET_START:
3366
3367                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3368
3369                 /* Set the variable for reset. */
3370                 priv->ResetProgress = RESET_TYPE_SILENT;
3371                 mutex_lock(&priv->wx_mutex);
3372                 if (priv->up == 0) {
3373                         RT_TRACE(COMP_ERR,
3374                                  "%s():the driver is not up! return\n",
3375                                  __func__);
3376                         mutex_unlock(&priv->wx_mutex);
3377                         return;
3378                 }
3379                 priv->up = 0;
3380                 RT_TRACE(COMP_RESET,
3381                          "%s():======>start to down the driver\n",
3382                          __func__);
3383
3384                 rtl8192_rtx_disable(dev);
3385                 rtl8192_cancel_deferred_work(priv);
3386                 deinit_hal_dm(dev);
3387                 del_timer_sync(&priv->watch_dog_timer);
3388
3389                 ieee->sync_scan_hurryup = 1;
3390                 if (ieee->state == IEEE80211_LINKED) {
3391                         down(&ieee->wx_sem);
3392                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3393                         ieee80211_stop_send_beacons(priv->ieee80211);
3394                         del_timer_sync(&ieee->associate_timer);
3395                         cancel_delayed_work(&ieee->associate_retry_wq);
3396                         ieee80211_stop_scan(ieee);
3397                         netif_carrier_off(dev);
3398                         up(&ieee->wx_sem);
3399                 } else {
3400                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3401                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3402                 }
3403                 mutex_unlock(&priv->wx_mutex);
3404                 RT_TRACE(COMP_RESET,
3405                          "%s():<==========down process is finished\n",
3406                          __func__);
3407                 RT_TRACE(COMP_RESET,
3408                          "%s():===========>start up the driver\n",
3409                          __func__);
3410                 reset_status = _rtl8192_up(dev);
3411
3412                 RT_TRACE(COMP_RESET,
3413                          "%s():<===========up process is finished\n",
3414                          __func__);
3415                 if (reset_status == -EAGAIN) {
3416                         if (reset_times < 3) {
3417                                 reset_times++;
3418                                 goto RESET_START;
3419                         } else {
3420                                 RT_TRACE(COMP_ERR,
3421                                          " ERR!!! %s():  Reset Failed!!\n",
3422                                          __func__);
3423                         }
3424                 }
3425                 ieee->is_silent_reset = 1;
3426                 EnableHWSecurityConfig8192(dev);
3427                 if (ieee->state == IEEE80211_LINKED &&
3428                     ieee->iw_mode == IW_MODE_INFRA) {
3429                         ieee->set_chan(ieee->dev,
3430                                        ieee->current_network.channel);
3431
3432                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3433
3434                 } else if (ieee->state == IEEE80211_LINKED &&
3435                            ieee->iw_mode == IW_MODE_ADHOC) {
3436                         ieee->set_chan(ieee->dev,
3437                                        ieee->current_network.channel);
3438                         ieee->link_change(ieee->dev);
3439
3440                         ieee80211_start_send_beacons(ieee);
3441
3442                         if (ieee->data_hard_resume)
3443                                 ieee->data_hard_resume(ieee->dev);
3444                         netif_carrier_on(ieee->dev);
3445                 }
3446
3447                 CamRestoreAllEntry(dev);
3448
3449                 priv->ResetProgress = RESET_TYPE_NORESET;
3450                 priv->reset_count++;
3451
3452                 priv->bForcedSilentReset = false;
3453                 priv->bResetInProgress = false;
3454
3455                 /* For test --> force write UFWP. */
3456                 write_nic_byte(dev, UFWP, 1);
3457                 RT_TRACE(COMP_RESET,
3458                          "Reset finished!! ====>[%d]\n",
3459                          priv->reset_count);
3460         }
3461 }
3462
3463 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3464                              u32 *TotalRxDataNum)
3465 {
3466         u16                     SlotIndex;
3467         u8                      i;
3468
3469         *TotalRxBcnNum = 0;
3470         *TotalRxDataNum = 0;
3471
3472         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3473                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3474         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3475                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3476         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3477                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3478         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3479                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3480                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3481         }
3482 }
3483
3484
3485 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3486 {
3487         struct delayed_work *dwork = to_delayed_work(work);
3488         struct r8192_priv *priv = container_of(dwork,
3489                                                struct r8192_priv, watch_dog_wq);
3490         struct net_device *dev = priv->ieee80211->dev;
3491         struct ieee80211_device *ieee = priv->ieee80211;
3492         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3493         static u8       check_reset_cnt;
3494         bool bBusyTraffic = false;
3495         u32     TotalRxBcnNum = 0;
3496         u32     TotalRxDataNum = 0;
3497
3498         if (!priv->up)
3499                 return;
3500         hal_dm_watchdog(dev);
3501
3502         /* to get busy traffic condition */
3503         if (ieee->state == IEEE80211_LINKED) {
3504                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3505                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3506                         bBusyTraffic = true;
3507                 }
3508                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3509                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3510                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3511         }
3512         /* for AP roaming */
3513         if (priv->ieee80211->state == IEEE80211_LINKED &&
3514             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3515                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3516                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3517 #ifdef TODO
3518                         if (rfState == eRfOff)
3519                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3520 #endif
3521                         netdev_dbg(dev,
3522                                    "===>%s(): AP is power off, connect another one\n",
3523                                    __func__);
3524                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3525                         notify_wx_assoc_event(priv->ieee80211);
3526                         RemovePeerTS(priv->ieee80211,
3527                                      priv->ieee80211->current_network.bssid);
3528                         priv->ieee80211->link_change(dev);
3529                         queue_work(priv->ieee80211->wq,
3530                                    &priv->ieee80211->associate_procedure_wq);
3531                 }
3532         }
3533         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3534         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3535         /* check if reset the driver */
3536         if (check_reset_cnt++ >= 3) {
3537                 ResetType = rtl819x_ifcheck_resetornot(dev);
3538                 check_reset_cnt = 3;
3539         }
3540         /* This is control by OID set in Pomelo */
3541         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3542             (priv->bForcedSilentReset ||
3543             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3544                 RT_TRACE(COMP_RESET,
3545                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3546                          __func__, priv->force_reset, priv->ResetProgress,
3547                          priv->bForcedSilentReset,
3548                          priv->bDisableNormalResetCheck, ResetType);
3549                 rtl819x_ifsilentreset(dev);
3550         }
3551         priv->force_reset = false;
3552         priv->bForcedSilentReset = false;
3553         priv->bResetInProgress = false;
3554         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3555 }
3556
3557 static void watch_dog_timer_callback(unsigned long data)
3558 {
3559         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3560
3561         schedule_delayed_work(&priv->watch_dog_wq, 0);
3562         mod_timer(&priv->watch_dog_timer,
3563                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3564 }
3565
3566 static int _rtl8192_up(struct net_device *dev)
3567 {
3568         struct r8192_priv *priv = ieee80211_priv(dev);
3569         int init_status = 0;
3570
3571         priv->up = 1;
3572         priv->ieee80211->ieee_up = 1;
3573         RT_TRACE(COMP_INIT, "Bringing up iface");
3574         init_status = rtl8192_adapter_start(dev);
3575         if (!init_status) {
3576                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3577                          __func__);
3578                 priv->up = priv->ieee80211->ieee_up = 0;
3579                 return -EAGAIN;
3580         }
3581         RT_TRACE(COMP_INIT, "start adapter finished\n");
3582         rtl8192_rx_enable(dev);
3583         if (priv->ieee80211->state != IEEE80211_LINKED)
3584                 ieee80211_softmac_start_protocol(priv->ieee80211);
3585         ieee80211_reset_queue(priv->ieee80211);
3586         watch_dog_timer_callback((unsigned long)dev);
3587         if (!netif_queue_stopped(dev))
3588                 netif_start_queue(dev);
3589         else
3590                 netif_wake_queue(dev);
3591
3592         return 0;
3593 }
3594
3595
3596 static int rtl8192_open(struct net_device *dev)
3597 {
3598         struct r8192_priv *priv = ieee80211_priv(dev);
3599         int ret;
3600
3601         mutex_lock(&priv->wx_mutex);
3602         ret = rtl8192_up(dev);
3603         mutex_unlock(&priv->wx_mutex);
3604         return ret;
3605 }
3606
3607
3608 int rtl8192_up(struct net_device *dev)
3609 {
3610         struct r8192_priv *priv = ieee80211_priv(dev);
3611
3612         if (priv->up == 1)
3613                 return -1;
3614
3615         return _rtl8192_up(dev);
3616 }
3617
3618
3619 static int rtl8192_close(struct net_device *dev)
3620 {
3621         struct r8192_priv *priv = ieee80211_priv(dev);
3622         int ret;
3623
3624         mutex_lock(&priv->wx_mutex);
3625
3626         ret = rtl8192_down(dev);
3627
3628         mutex_unlock(&priv->wx_mutex);
3629
3630         return ret;
3631 }
3632
3633 int rtl8192_down(struct net_device *dev)
3634 {
3635         struct r8192_priv *priv = ieee80211_priv(dev);
3636         int i;
3637
3638         if (priv->up == 0)
3639                 return -1;
3640
3641         priv->up = 0;
3642         priv->ieee80211->ieee_up = 0;
3643         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3644         /* FIXME */
3645         if (!netif_queue_stopped(dev))
3646                 netif_stop_queue(dev);
3647
3648         rtl8192_rtx_disable(dev);
3649
3650         /* Tx related queue release */
3651         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3652                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3653         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3654                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3655
3656         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3657                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3658
3659         /* as cancel_delayed_work will del work->timer, so if work is not
3660          * defined as struct delayed_work, it will corrupt
3661          */
3662         rtl8192_cancel_deferred_work(priv);
3663         deinit_hal_dm(dev);
3664         del_timer_sync(&priv->watch_dog_timer);
3665
3666
3667         ieee80211_softmac_stop_protocol(priv->ieee80211);
3668         memset(&priv->ieee80211->current_network, 0,
3669                offsetof(struct ieee80211_network, list));
3670         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3671
3672         return 0;
3673 }
3674
3675
3676 void rtl8192_commit(struct net_device *dev)
3677 {
3678         struct r8192_priv *priv = ieee80211_priv(dev);
3679         int reset_status = 0;
3680
3681         if (priv->up == 0)
3682                 return;
3683         priv->up = 0;
3684
3685         rtl8192_cancel_deferred_work(priv);
3686         del_timer_sync(&priv->watch_dog_timer);
3687
3688         ieee80211_softmac_stop_protocol(priv->ieee80211);
3689
3690         rtl8192_rtx_disable(dev);
3691         reset_status = _rtl8192_up(dev);
3692 }
3693
3694 static void rtl8192_restart(struct work_struct *work)
3695 {
3696         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3697                                                reset_wq);
3698         struct net_device *dev = priv->ieee80211->dev;
3699
3700         mutex_lock(&priv->wx_mutex);
3701
3702         rtl8192_commit(dev);
3703
3704         mutex_unlock(&priv->wx_mutex);
3705 }
3706
3707 static void r8192_set_multicast(struct net_device *dev)
3708 {
3709         struct r8192_priv *priv = ieee80211_priv(dev);
3710         short promisc;
3711
3712         /* FIXME FIXME */
3713
3714         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3715
3716         if (promisc != priv->promisc)
3717
3718                 priv->promisc = promisc;
3719 }
3720
3721
3722 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3723 {
3724         struct r8192_priv *priv = ieee80211_priv(dev);
3725         struct sockaddr *addr = mac;
3726
3727         mutex_lock(&priv->wx_mutex);
3728
3729         ether_addr_copy(dev->dev_addr, addr->sa_data);
3730
3731         schedule_work(&priv->reset_wq);
3732         mutex_unlock(&priv->wx_mutex);
3733
3734         return 0;
3735 }
3736
3737 /* based on ipw2200 driver */
3738 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3739 {
3740         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3741         struct iwreq *wrq = (struct iwreq *)rq;
3742         int ret = -1;
3743         struct ieee80211_device *ieee = priv->ieee80211;
3744         u32 key[4];
3745         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3746         struct iw_point *p = &wrq->u.data;
3747         struct ieee_param *ipw = NULL;
3748
3749         mutex_lock(&priv->wx_mutex);
3750
3751
3752         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3753                 ret = -EINVAL;
3754                 goto out;
3755         }
3756
3757         ipw = memdup_user(p->pointer, p->length);
3758         if (IS_ERR(ipw)) {
3759                 ret = PTR_ERR(ipw);
3760                 goto out;
3761         }
3762
3763         switch (cmd) {
3764         case RTL_IOCTL_WPA_SUPPLICANT:
3765                 /* parse here for HW security */
3766                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3767                         if (ipw->u.crypt.set_tx) {
3768                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3769                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3770                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3771                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3772                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3773                                         if (ipw->u.crypt.key_len == 13)
3774                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3775                                         else if (ipw->u.crypt.key_len == 5)
3776                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3777                                 } else {
3778                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3779                                 }
3780
3781                                 if (ieee->pairwise_key_type) {
3782                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3783                                         EnableHWSecurityConfig8192(dev);
3784                                         /* We fill both index entry and 4th
3785                                          * entry for pairwise key as in IPW
3786                                          * interface, adhoc will only get here,
3787                                          * so we need index entry for its
3788                                          * default key serching!
3789                                          */
3790                                         setKey(dev, 4, ipw->u.crypt.idx,
3791                                                ieee->pairwise_key_type,
3792                                                (u8 *)ieee->ap_mac_addr,
3793                                                0, key);
3794                                         if (ieee->auth_mode != 2)
3795                                                 setKey(dev, ipw->u.crypt.idx,
3796                                                        ipw->u.crypt.idx,
3797                                                        ieee->pairwise_key_type,
3798                                                        (u8 *)ieee->ap_mac_addr,
3799                                                        0, key);
3800                                 }
3801                         } else {
3802                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3803                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3804                                         ieee->group_key_type = KEY_TYPE_CCMP;
3805                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3806                                         ieee->group_key_type = KEY_TYPE_TKIP;
3807                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3808                                         if (ipw->u.crypt.key_len == 13)
3809                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3810                                         else if (ipw->u.crypt.key_len == 5)
3811                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3812                                 } else {
3813                                         ieee->group_key_type = KEY_TYPE_NA;
3814                                 }
3815
3816                                 if (ieee->group_key_type) {
3817                                         setKey(dev, ipw->u.crypt.idx,
3818                                                /* KeyIndex */
3819                                                ipw->u.crypt.idx,
3820                                                /* KeyType */
3821                                                ieee->group_key_type,
3822                                                /* MacAddr */
3823                                                broadcast_addr,
3824                                                /* DefaultKey */
3825                                                0,
3826                                                /* KeyContent */
3827                                                key);
3828                                 }
3829                         }
3830                 }
3831                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3832                                                      &wrq->u.data);
3833                 break;
3834
3835         default:
3836                 ret = -EOPNOTSUPP;
3837                 break;
3838         }
3839         kfree(ipw);
3840         ipw = NULL;
3841 out:
3842         mutex_unlock(&priv->wx_mutex);
3843         return ret;
3844 }
3845
3846 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3847 {
3848         u8  ret_rate = 0xff;
3849
3850         if (!bIsHT) {
3851                 switch (rate) {
3852                 case DESC90_RATE1M:
3853                         ret_rate = MGN_1M;
3854                         break;
3855                 case DESC90_RATE2M:
3856                         ret_rate = MGN_2M;
3857                         break;
3858                 case DESC90_RATE5_5M:
3859                         ret_rate = MGN_5_5M;
3860                         break;
3861                 case DESC90_RATE11M:
3862                         ret_rate = MGN_11M;
3863                         break;
3864                 case DESC90_RATE6M:
3865                         ret_rate = MGN_6M;
3866                         break;
3867                 case DESC90_RATE9M:
3868                         ret_rate = MGN_9M;
3869                         break;
3870                 case DESC90_RATE12M:
3871                         ret_rate = MGN_12M;
3872                         break;
3873                 case DESC90_RATE18M:
3874                         ret_rate = MGN_18M;
3875                         break;
3876                 case DESC90_RATE24M:
3877                         ret_rate = MGN_24M;
3878                         break;
3879                 case DESC90_RATE36M:
3880                         ret_rate = MGN_36M;
3881                         break;
3882                 case DESC90_RATE48M:
3883                         ret_rate = MGN_48M;
3884                         break;
3885                 case DESC90_RATE54M:
3886                         ret_rate = MGN_54M;
3887                         break;
3888
3889                 default:
3890                         ret_rate = 0xff;
3891                         RT_TRACE(COMP_RECV,
3892                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3893                                  rate, bIsHT);
3894                         break;
3895                 }
3896
3897         } else {
3898                 switch (rate) {
3899                 case DESC90_RATEMCS0:
3900                         ret_rate = MGN_MCS0;
3901                         break;
3902                 case DESC90_RATEMCS1:
3903                         ret_rate = MGN_MCS1;
3904                         break;
3905                 case DESC90_RATEMCS2:
3906                         ret_rate = MGN_MCS2;
3907                         break;
3908                 case DESC90_RATEMCS3:
3909                         ret_rate = MGN_MCS3;
3910                         break;
3911                 case DESC90_RATEMCS4:
3912                         ret_rate = MGN_MCS4;
3913                         break;
3914                 case DESC90_RATEMCS5:
3915                         ret_rate = MGN_MCS5;
3916                         break;
3917                 case DESC90_RATEMCS6:
3918                         ret_rate = MGN_MCS6;
3919                         break;
3920                 case DESC90_RATEMCS7:
3921                         ret_rate = MGN_MCS7;
3922                         break;
3923                 case DESC90_RATEMCS8:
3924                         ret_rate = MGN_MCS8;
3925                         break;
3926                 case DESC90_RATEMCS9:
3927                         ret_rate = MGN_MCS9;
3928                         break;
3929                 case DESC90_RATEMCS10:
3930                         ret_rate = MGN_MCS10;
3931                         break;
3932                 case DESC90_RATEMCS11:
3933                         ret_rate = MGN_MCS11;
3934                         break;
3935                 case DESC90_RATEMCS12:
3936                         ret_rate = MGN_MCS12;
3937                         break;
3938                 case DESC90_RATEMCS13:
3939                         ret_rate = MGN_MCS13;
3940                         break;
3941                 case DESC90_RATEMCS14:
3942                         ret_rate = MGN_MCS14;
3943                         break;
3944                 case DESC90_RATEMCS15:
3945                         ret_rate = MGN_MCS15;
3946                         break;
3947                 case DESC90_RATEMCS32:
3948                         ret_rate = 0x80 | 0x20;
3949                         break;
3950
3951                 default:
3952                         ret_rate = 0xff;
3953                         RT_TRACE(COMP_RECV,
3954                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3955                                  rate, bIsHT);
3956                         break;
3957                 }
3958         }
3959
3960         return ret_rate;
3961 }
3962
3963 /**
3964  * Function:     UpdateRxPktTimeStamp
3965  * Overview:     Record the TSF time stamp when receiving a packet
3966  *
3967  * Input:
3968  *       PADAPTER        Adapter
3969  *       PRT_RFD         pRfd,
3970  *
3971  * Output:
3972  *       PRT_RFD         pRfd
3973  *                               (pRfd->Status.TimeStampHigh is updated)
3974  *                               (pRfd->Status.TimeStampLow is updated)
3975  * Return:
3976  *               None
3977  */
3978 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3979                                      struct ieee80211_rx_stats *stats)
3980 {
3981         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3982
3983         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3984                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3985                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3986         } else {
3987                 priv->LastRxDescTSFLow = stats->mac_time[0];
3988                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3989         }
3990 }
3991
3992 /* 0-100 index. */
3993 static long rtl819x_translate_todbm(u8 signal_strength_index)
3994 {
3995         long    signal_power; /* in dBm. */
3996
3997         /* Translate to dBm (x=0.5y-95). */
3998         signal_power = (long)((signal_strength_index + 1) >> 1);
3999         signal_power -= 95;
4000
4001         return signal_power;
4002 }
4003
4004
4005 /* We can not declare RSSI/EVM total value of sliding window to
4006  * be a local static. Otherwise, it may increase when we return from S3/S4. The
4007  * value will be kept in memory or disk. Declare the value in the adaptor
4008  * and it will be reinitialized when returned from S3/S4.
4009  */
4010 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
4011                                     struct ieee80211_rx_stats *pprevious_stats,
4012                                     struct ieee80211_rx_stats *pcurrent_stats)
4013 {
4014         bool bcheck = false;
4015         u8      rfpath;
4016         u32     nspatial_stream, tmp_val;
4017         static u32 slide_rssi_index, slide_rssi_statistics;
4018         static u32 slide_evm_index, slide_evm_statistics;
4019         static u32 last_rssi, last_evm;
4020
4021         static u32 slide_beacon_adc_pwdb_index;
4022         static u32 slide_beacon_adc_pwdb_statistics;
4023         static u32 last_beacon_adc_pwdb;
4024
4025         struct rtl_80211_hdr_3addr *hdr;
4026         u16 sc;
4027         unsigned int frag, seq;
4028
4029         hdr = (struct rtl_80211_hdr_3addr *)buffer;
4030         sc = le16_to_cpu(hdr->seq_ctl);
4031         frag = WLAN_GET_SEQ_FRAG(sc);
4032         seq = WLAN_GET_SEQ_SEQ(sc);
4033         /* to record the sequence number */
4034         pcurrent_stats->Seq_Num = seq;
4035
4036         /* Check whether we should take the previous packet into accounting */
4037         if (!pprevious_stats->bIsAMPDU) {
4038                 /* if previous packet is not aggregated packet */
4039                 bcheck = true;
4040         }
4041
4042         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4043                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4044                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4045                 priv->stats.slide_rssi_total -= last_rssi;
4046         }
4047         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4048
4049         priv->stats.slide_signal_strength[slide_rssi_index++] =
4050                 pprevious_stats->SignalStrength;
4051         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4052                 slide_rssi_index = 0;
4053
4054         /* <1> Showed on UI for user, in dbm */
4055         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4056         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4057         pcurrent_stats->rssi = priv->stats.signal_strength;
4058
4059         /* If the previous packet does not match the criteria, neglect it */
4060         if (!pprevious_stats->bPacketMatchBSSID) {
4061                 if (!pprevious_stats->bToSelfBA)
4062                         return;
4063         }
4064
4065         if (!bcheck)
4066                 return;
4067
4068
4069         /* only rtl8190 supported
4070          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4071          */
4072
4073         /* Check RSSI */
4074         priv->stats.num_process_phyinfo++;
4075
4076         /* record the general signal strength to the sliding window. */
4077
4078
4079         /* <2> Showed on UI for engineering
4080          * hardware does not provide rssi information for each rf path in CCK
4081          */
4082         if (!pprevious_stats->bIsCCK &&
4083             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4084                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4085                         if (!rtl8192_phy_CheckIsLegalRFPath(
4086                                         priv->ieee80211->dev, rfpath))
4087                                 continue;
4088
4089                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4090                                 priv->stats.rx_rssi_percentage[rfpath] =
4091                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4092                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4093                                 priv->stats.rx_rssi_percentage[rfpath] =
4094                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4095                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4096                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4097                         } else {
4098                                 priv->stats.rx_rssi_percentage[rfpath] =
4099                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4100                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4101                         }
4102                         RT_TRACE(COMP_DBG,
4103                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4104                                  priv->stats.rx_rssi_percentage[rfpath]);
4105                 }
4106         }
4107
4108
4109         /* Check PWDB. */
4110         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4111                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4112                  pprevious_stats->RxPWDBAll);
4113
4114         if (pprevious_stats->bPacketBeacon) {
4115                 /* record the beacon pwdb to the sliding window. */
4116                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4117                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4118                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4119                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4120                 }
4121                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4122                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4123                 slide_beacon_adc_pwdb_index++;
4124                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4125                         slide_beacon_adc_pwdb_index = 0;
4126                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4127                 if (pprevious_stats->RxPWDBAll >= 3)
4128                         pprevious_stats->RxPWDBAll -= 3;
4129         }
4130
4131         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4132                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4133                  pprevious_stats->RxPWDBAll);
4134
4135
4136         if (pprevious_stats->bPacketToSelf ||
4137             pprevious_stats->bPacketBeacon ||
4138             pprevious_stats->bToSelfBA) {
4139                 if (priv->undecorated_smoothed_pwdb < 0)
4140                         /* initialize */
4141                         priv->undecorated_smoothed_pwdb =
4142                                 pprevious_stats->RxPWDBAll;
4143                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4144                         priv->undecorated_smoothed_pwdb =
4145                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4146                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4147                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4148                 } else {
4149                         priv->undecorated_smoothed_pwdb =
4150                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4151                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4152                 }
4153         }
4154
4155         /* Check EVM */
4156         /* record the general EVM to the sliding window. */
4157         if (pprevious_stats->SignalQuality) {
4158                 if (pprevious_stats->bPacketToSelf ||
4159                     pprevious_stats->bPacketBeacon ||
4160                     pprevious_stats->bToSelfBA) {
4161                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4162                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4163                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4164                                 priv->stats.slide_evm_total -= last_evm;
4165                         }
4166
4167                         priv->stats.slide_evm_total +=
4168                                 pprevious_stats->SignalQuality;
4169
4170                         priv->stats.slide_evm[slide_evm_index++] =
4171                                 pprevious_stats->SignalQuality;
4172                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4173                                 slide_evm_index = 0;
4174
4175                         /* <1> Showed on UI for user, in percentage. */
4176                         tmp_val = priv->stats.slide_evm_total /
4177                                   slide_evm_statistics;
4178                         priv->stats.signal_quality = tmp_val;
4179                         /* Showed on UI for user in Windows Vista,
4180                          * for Link quality.
4181                          */
4182                         priv->stats.last_signal_strength_inpercent = tmp_val;
4183                 }
4184
4185                 /* <2> Showed on UI for engineering */
4186                 if (pprevious_stats->bPacketToSelf ||
4187                     pprevious_stats->bPacketBeacon ||
4188                     pprevious_stats->bToSelfBA) {
4189                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4190                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4191                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4192                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4193                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4194                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4195                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4196                                 }
4197                         }
4198                 }
4199         }
4200 }
4201
4202 /*-----------------------------------------------------------------------------
4203  * Function:    rtl819x_query_rxpwrpercentage()
4204  *
4205  * Overview:
4206  *
4207  * Input:               char            antpower
4208  *
4209  * Output:              NONE
4210  *
4211  * Return:              0-100 percentage
4212  *---------------------------------------------------------------------------*/
4213 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4214 {
4215         if ((antpower <= -100) || (antpower >= 20))
4216                 return  0;
4217         else if (antpower >= 0)
4218                 return  100;
4219         else
4220                 return  100 + antpower;
4221
4222 }       /* QueryRxPwrPercentage */
4223
4224 static u8 rtl819x_evm_dbtopercentage(char value)
4225 {
4226         char ret_val;
4227
4228         ret_val = value;
4229
4230         if (ret_val >= 0)
4231                 ret_val = 0;
4232         if (ret_val <= -33)
4233                 ret_val = -33;
4234         ret_val = 0 - ret_val;
4235         ret_val *= 3;
4236         if (ret_val == 99)
4237                 ret_val = 100;
4238         return ret_val;
4239 }
4240
4241 /* We want good-looking for signal strength/quality */
4242 static long rtl819x_signal_scale_mapping(long currsig)
4243 {
4244         long retsig;
4245
4246         /* Step 1. Scale mapping. */
4247         if (currsig >= 61 && currsig <= 100)
4248                 retsig = 90 + ((currsig - 60) / 4);
4249         else if (currsig >= 41 && currsig <= 60)
4250                 retsig = 78 + ((currsig - 40) / 2);
4251         else if (currsig >= 31 && currsig <= 40)
4252                 retsig = 66 + (currsig - 30);
4253         else if (currsig >= 21 && currsig <= 30)
4254                 retsig = 54 + (currsig - 20);
4255         else if (currsig >= 5 && currsig <= 20)
4256                 retsig = 42 + (((currsig - 5) * 2) / 3);
4257         else if (currsig == 4)
4258                 retsig = 36;
4259         else if (currsig == 3)
4260                 retsig = 27;
4261         else if (currsig == 2)
4262                 retsig = 18;
4263         else if (currsig == 1)
4264                 retsig = 9;
4265         else
4266                 retsig = currsig;
4267
4268         return retsig;
4269 }
4270
4271 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4272 {
4273         if (pdrvinfo->RxHT)
4274                 return false;
4275
4276         switch (pdrvinfo->RxRate) {
4277         case DESC90_RATE1M:
4278         case DESC90_RATE2M:
4279         case DESC90_RATE5_5M:
4280         case DESC90_RATE11M:
4281                 return true;
4282         default:
4283                 return false;
4284         }
4285 }
4286
4287 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4288                                       struct ieee80211_rx_stats *pstats,
4289                                       rx_drvinfo_819x_usb  *pdrvinfo,
4290                                       struct ieee80211_rx_stats *precord_stats,
4291                                       bool bpacket_match_bssid,
4292                                       bool bpacket_toself,
4293                                       bool bPacketBeacon,
4294                                       bool bToSelfBA)
4295 {
4296         phy_sts_ofdm_819xusb_t *pofdm_buf;
4297         phy_sts_cck_819xusb_t   *pcck_buf;
4298         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4299         u8      *prxpkt;
4300         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4301         char    rx_pwr[4], rx_pwr_all = 0;
4302         char    rx_snrX, rx_evmX;
4303         u8      evm, pwdb_all;
4304         u32     RSSI, total_rssi = 0;
4305         u8      is_cck_rate = 0;
4306         u8      rf_rx_num = 0;
4307         u8      sq;
4308
4309
4310         priv->stats.numqry_phystatus++;
4311
4312         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4313
4314         /* Record it for next packet processing */
4315         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4316         pstats->bPacketMatchBSSID =
4317                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4318         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4319         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4320         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4321         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4322
4323         prxpkt = (u8 *)pdrvinfo;
4324
4325         /* Move pointer to the 16th bytes. Phy status start address. */
4326         prxpkt += sizeof(rx_drvinfo_819x_usb);
4327
4328         /* Initial the cck and ofdm buffer pointer */
4329         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4330         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4331
4332         pstats->RxMIMOSignalQuality[0] = -1;
4333         pstats->RxMIMOSignalQuality[1] = -1;
4334         precord_stats->RxMIMOSignalQuality[0] = -1;
4335         precord_stats->RxMIMOSignalQuality[1] = -1;
4336
4337         if (is_cck_rate) {
4338                 /* (1)Hardware does not provide RSSI for CCK */
4339
4340                 /* (2)PWDB, Average PWDB calculated by hardware
4341                  * (for rate adaptive)
4342                  */
4343                 u8 report;
4344
4345                 priv->stats.numqry_phystatusCCK++;
4346
4347                 if (!priv->bCckHighPower) {
4348                         report = pcck_buf->cck_agc_rpt & 0xc0;
4349                         report >>= 6;
4350                         switch (report) {
4351                         case 0x3:
4352                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4353                                 break;
4354                         case 0x2:
4355                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4356                                 break;
4357                         case 0x1:
4358                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4359                                 break;
4360                         case 0x0:
4361                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4362                                 break;
4363                         }
4364                 } else {
4365                         report = pcck_buf->cck_agc_rpt & 0x60;
4366                         report >>= 5;
4367                         switch (report) {
4368                         case 0x3:
4369                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4370                                 break;
4371                         case 0x2:
4372                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4373                                 break;
4374                         case 0x1:
4375                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4376                                 break;
4377                         case 0x0:
4378                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4379                                 break;
4380                         }
4381                 }
4382
4383                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4384                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4385                 pstats->RecvSignalPower = pwdb_all;
4386
4387                 /* (3) Get Signal Quality (EVM) */
4388
4389                 if (pstats->RxPWDBAll > 40) {
4390                         sq = 100;
4391                 } else {
4392                         sq = pcck_buf->sq_rpt;
4393
4394                         if (pcck_buf->sq_rpt > 64)
4395                                 sq = 0;
4396                         else if (pcck_buf->sq_rpt < 20)
4397                                 sq = 100;
4398                         else
4399                                 sq = ((64 - sq) * 100) / 44;
4400                 }
4401                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4402                 pstats->RxMIMOSignalQuality[0] =
4403                         precord_stats->RxMIMOSignalQuality[0] = sq;
4404                 pstats->RxMIMOSignalQuality[1] =
4405                         precord_stats->RxMIMOSignalQuality[1] = -1;
4406
4407         } else {
4408                 priv->stats.numqry_phystatusHT++;
4409
4410                 /* (1)Get RSSI for HT rate */
4411                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4412                         /* We will judge RF RX path now. */
4413                         if (priv->brfpath_rxenable[i])
4414                                 rf_rx_num++;
4415                         else
4416                                 continue;
4417
4418                         if (!rtl8192_phy_CheckIsLegalRFPath(
4419                                         priv->ieee80211->dev, i))
4420                                 continue;
4421
4422                         rx_pwr[i] =
4423                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4424
4425                         /* Get Rx snr value in DB */
4426                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4427                         rx_snrX = (char)(tmp_rxsnr);
4428                         rx_snrX /= 2;
4429                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4430
4431                         /* Translate DBM to percentage. */
4432                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4433                         total_rssi += RSSI;
4434
4435                         /* Record Signal Strength for next packet */
4436                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4437                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4438                 }
4439
4440
4441                 /* (2)PWDB, Average PWDB calculated by hardware
4442                  * (for rate adaptive)
4443                  */
4444                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4445                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4446
4447                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4448                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4449
4450                 /* (3)EVM of HT rate */
4451                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4452                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4453                         /* both spatial stream make sense */
4454                         max_spatial_stream = 2;
4455                 else
4456                         /* only spatial stream 1 makes sense */
4457                         max_spatial_stream = 1;
4458
4459                 for (i = 0; i < max_spatial_stream; i++) {
4460                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4461                         rx_evmX = (char)(tmp_rxevm);
4462
4463                         /* Do not use shift operation like "rx_evmX >>= 1"
4464                          * because the compiler of free build environment will
4465                          * set the most significant bit to "zero" when doing
4466                          * shifting operation which may change a negative value
4467                          * to positive one, then the dbm value (which is
4468                          * supposed to be negative) is not correct anymore.
4469                          */
4470                         rx_evmX /= 2;   /* dbm */
4471
4472                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4473                         if (i == 0)
4474                                 /* Fill value in RFD, Get the first spatial
4475                                  * stream only
4476                                  */
4477                                 pstats->SignalQuality =
4478                                         precord_stats->SignalQuality =
4479                                         (u8)(evm & 0xff);
4480                         pstats->RxMIMOSignalQuality[i] =
4481                                 precord_stats->RxMIMOSignalQuality[i] =
4482                                 (u8)(evm & 0xff);
4483                 }
4484
4485
4486                 /* record rx statistics for debug */
4487                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4488                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4489                         &rxsc_sgien_exflg;
4490                 if (pdrvinfo->BW)       /* 40M channel */
4491                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4492                 else                    /* 20M channel */
4493                         priv->stats.received_bwtype[0]++;
4494         }
4495
4496         /* UI BSS List signal strength(in percentage), make it good looking,
4497          * from 0~100. It is assigned to the BSS List in
4498          * GetValueFromBeaconOrProbeRsp().
4499          */
4500         if (is_cck_rate) {
4501                 pstats->SignalStrength =
4502                         precord_stats->SignalStrength =
4503                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4504         } else {
4505                 /* We can judge RX path number now. */
4506                 if (rf_rx_num != 0) {
4507                         pstats->SignalStrength =
4508                                 precord_stats->SignalStrength =
4509                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4510                 }
4511         }
4512 }       /* QueryRxPhyStatus8190Pci */
4513
4514 static void rtl8192_record_rxdesc_forlateruse(
4515                 struct ieee80211_rx_stats *psrc_stats,
4516                 struct ieee80211_rx_stats *ptarget_stats)
4517 {
4518         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4519         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4520         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4521 }
4522
4523
4524 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4525                                           struct ieee80211_rx_stats *pstats,
4526                                           rx_drvinfo_819x_usb  *pdrvinfo)
4527 {
4528         /* TODO: We must only check packet for current MAC address.
4529          * Not finish
4530          */
4531         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4532         struct net_device *dev = info->dev;
4533         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4534         bool bpacket_match_bssid, bpacket_toself;
4535         bool bPacketBeacon = false, bToSelfBA = false;
4536         static struct ieee80211_rx_stats  previous_stats;
4537         struct rtl_80211_hdr_3addr *hdr;
4538         u16 fc, type;
4539
4540         /* Get Signal Quality for only RX data queue (but not command queue) */
4541
4542         u8 *tmp_buf;
4543         u8  *praddr;
4544
4545         /* Get MAC frame start address. */
4546         tmp_buf = (u8 *)skb->data;
4547
4548         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4549         fc = le16_to_cpu(hdr->frame_ctl);
4550         type = WLAN_FC_GET_TYPE(fc);
4551         praddr = hdr->addr1;
4552
4553         /* Check if the received packet is acceptable. */
4554         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4555                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4556                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4557         bpacket_toself =  bpacket_match_bssid &
4558                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4559
4560         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4561                 bPacketBeacon = true;
4562         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4563                 if ((eqMacAddr(praddr, dev->dev_addr)))
4564                         bToSelfBA = true;
4565         }
4566
4567
4568
4569         if (bpacket_match_bssid)
4570                 priv->stats.numpacket_matchbssid++;
4571         if (bpacket_toself)
4572                 priv->stats.numpacket_toself++;
4573         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4574          * Because phy information is contained in the last packet of AMPDU
4575          * only, so driver should process phy information of previous packet
4576          */
4577         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4578         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4579                                   bpacket_match_bssid, bpacket_toself,
4580                                   bPacketBeacon, bToSelfBA);
4581         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4582 }
4583
4584 /**
4585 * Function:     UpdateReceivedRateHistogramStatistics
4586 * Overview:     Record the received data rate
4587 *
4588 * Input:
4589 *       struct net_device *dev
4590 *       struct ieee80211_rx_stats *stats
4591 *
4592 * Output:
4593 *
4594 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4595 * Return:
4596 *               None
4597 */
4598 static void
4599 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4600                                           struct ieee80211_rx_stats *stats)
4601 {
4602         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4603         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4604         u32 rcvType = 1;
4605         u32 rateIndex;
4606         /* 1: short preamble/GI, 0: long preamble/GI */
4607         u32 preamble_guardinterval;
4608
4609
4610         if (stats->bCRC)
4611                 rcvType = 2;
4612         else if (stats->bICV)
4613                 rcvType = 3;
4614
4615         if (stats->bShortPreamble)
4616                 preamble_guardinterval = 1; /* short */
4617         else
4618                 preamble_guardinterval = 0; /* long */
4619
4620         switch (stats->rate) {
4621         /* CCK rate */
4622         case MGN_1M:
4623                 rateIndex = 0;
4624                 break;
4625         case MGN_2M:
4626                 rateIndex = 1;
4627                 break;
4628         case MGN_5_5M:
4629                 rateIndex = 2;
4630                 break;
4631         case MGN_11M:
4632                 rateIndex = 3;
4633                 break;
4634         /* Legacy OFDM rate */
4635         case MGN_6M:
4636                 rateIndex = 4;
4637                 break;
4638         case MGN_9M:
4639                 rateIndex = 5;
4640                 break;
4641         case MGN_12M:
4642                 rateIndex = 6;
4643                 break;
4644         case MGN_18M:
4645                 rateIndex = 7;
4646                 break;
4647         case MGN_24M:
4648                 rateIndex = 8;
4649                 break;
4650         case MGN_36M:
4651                 rateIndex = 9;
4652                 break;
4653         case MGN_48M:
4654                 rateIndex = 10;
4655                 break;
4656         case MGN_54M:
4657                 rateIndex = 11;
4658                 break;
4659         /* 11n High throughput rate */
4660         case MGN_MCS0:
4661                 rateIndex = 12;
4662                 break;
4663         case MGN_MCS1:
4664                 rateIndex = 13;
4665                 break;
4666         case MGN_MCS2:
4667                 rateIndex = 14;
4668                 break;
4669         case MGN_MCS3:
4670                 rateIndex = 15;
4671                 break;
4672         case MGN_MCS4:
4673                 rateIndex = 16;
4674                 break;
4675         case MGN_MCS5:
4676                 rateIndex = 17;
4677                 break;
4678         case MGN_MCS6:
4679                 rateIndex = 18;
4680                 break;
4681         case MGN_MCS7:
4682                 rateIndex = 19;
4683                 break;
4684         case MGN_MCS8:
4685                 rateIndex = 20;
4686                 break;
4687         case MGN_MCS9:
4688                 rateIndex = 21;
4689                 break;
4690         case MGN_MCS10:
4691                 rateIndex = 22;
4692                 break;
4693         case MGN_MCS11:
4694                 rateIndex = 23;
4695                 break;
4696         case MGN_MCS12:
4697                 rateIndex = 24;
4698                 break;
4699         case MGN_MCS13:
4700                 rateIndex = 25;
4701                 break;
4702         case MGN_MCS14:
4703                 rateIndex = 26;
4704                 break;
4705         case MGN_MCS15:
4706                 rateIndex = 27;
4707                 break;
4708         default:
4709                 rateIndex = 28;
4710                 break;
4711         }
4712         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4713         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4714         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4715 }
4716
4717
4718 static void query_rxdesc_status(struct sk_buff *skb,
4719                                 struct ieee80211_rx_stats *stats,
4720                                 bool bIsRxAggrSubframe)
4721 {
4722         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4723         struct net_device *dev = info->dev;
4724         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4725         rx_drvinfo_819x_usb  *driver_info = NULL;
4726
4727         /* Get Rx Descriptor Information */
4728         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4729
4730         stats->Length = desc->Length;
4731         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4732         stats->RxBufShift = 0;
4733         stats->bICV = desc->ICV;
4734         stats->bCRC = desc->CRC32;
4735         stats->bHwError = stats->bCRC | stats->bICV;
4736         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4737         stats->Decrypted = !desc->SWDec;
4738
4739         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4740             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4741                 stats->bHwError = false;
4742         else
4743                 stats->bHwError = stats->bCRC | stats->bICV;
4744
4745         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4746                 stats->bHwError |= 1;
4747         /* Get Driver Info */
4748         /* TODO: Need to verify it on FGPA platform
4749          * Driver info are written to the RxBuffer following rx desc
4750          */
4751         if (stats->RxDrvInfoSize != 0) {
4752                 driver_info = (rx_drvinfo_819x_usb *)(
4753                                 skb->data
4754                                 + sizeof(rx_desc_819x_usb)
4755                                 + stats->RxBufShift
4756                               );
4757                 /* unit: 0.5M */
4758                 /* TODO */
4759                 if (!stats->bHwError) {
4760                         u8      ret_rate;
4761
4762                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4763                                                    driver_info->RxRate);
4764                         if (ret_rate == 0xff) {
4765                                 /* Abnormal Case: Receive CRC OK packet with Rx
4766                                  * descriptor indicating non supported rate.
4767                                  * Special Error Handling here
4768                                  */
4769
4770                                 stats->bHwError = 1;
4771                                 /* Set 1M rate by default */
4772                                 stats->rate = MGN_1M;
4773                         } else {
4774                                 stats->rate = ret_rate;
4775                         }
4776                 } else {
4777                         stats->rate = 0x02;
4778                 }
4779
4780                 stats->bShortPreamble = driver_info->SPLCP;
4781
4782
4783                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4784
4785                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4786                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4787                                     (driver_info->FirstAGGR == 1);
4788                 stats->TimeStampLow = driver_info->TSFL;
4789
4790                 UpdateRxPktTimeStamp8190(dev, stats);
4791
4792                 /* Rx A-MPDU */
4793                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4794                         RT_TRACE(COMP_RXDESC,
4795                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4796                                  driver_info->FirstAGGR, driver_info->PartAggr);
4797         }
4798
4799         skb_pull(skb, sizeof(rx_desc_819x_usb));
4800         /* Get Total offset of MPDU Frame Body */
4801         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4802                 stats->bShift = 1;
4803                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4804         }
4805
4806         if (driver_info) {
4807                 stats->RxIs40MHzPacket = driver_info->BW;
4808                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4809         }
4810 }
4811
4812 static void rtl8192_rx_nomal(struct sk_buff *skb)
4813 {
4814         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4815         struct net_device *dev = info->dev;
4816         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4817         struct ieee80211_rx_stats stats = {
4818                 .signal = 0,
4819                 .noise = 0x100 - 98,
4820                 .rate = 0,
4821                 .freq = IEEE80211_24GHZ_BAND,
4822         };
4823         u32 rx_pkt_len = 0;
4824         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4825         bool unicast_packet = false;
4826
4827         /* 20 is for ps-poll */
4828         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4829                 /* first packet should not contain Rx aggregation header */
4830                 query_rxdesc_status(skb, &stats, false);
4831                 /* TODO */
4832                 /* hardware related info */
4833                 /* Process the MPDU received */
4834                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4835
4836                 rx_pkt_len = skb->len;
4837                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4838                 unicast_packet = false;
4839                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4840                         /* TODO */
4841                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4842                         /* TODO */
4843                 } else {
4844                         /* unicast packet */
4845                         unicast_packet = true;
4846                 }
4847
4848                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4849                         dev_kfree_skb_any(skb);
4850                 } else {
4851                         priv->stats.rxoktotal++;
4852                         if (unicast_packet)
4853                                 priv->stats.rxbytesunicast += rx_pkt_len;
4854                 }
4855         } else {
4856                 priv->stats.rxurberr++;
4857                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4858                 dev_kfree_skb_any(skb);
4859         }
4860 }
4861
4862 static void rtl819xusb_process_received_packet(
4863                 struct net_device *dev,
4864                 struct ieee80211_rx_stats *pstats)
4865 {
4866         u8      *frame;
4867         u16     frame_len = 0;
4868         struct r8192_priv *priv = ieee80211_priv(dev);
4869
4870         /* Get shifted bytes of Starting address of 802.11 header. */
4871         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4872         frame = pstats->virtual_address;
4873         frame_len = pstats->packetlength;
4874 #ifdef TODO     /* about HCT */
4875         if (!Adapter->bInHctTest)
4876                 CountRxErrStatistics(Adapter, pRfd);
4877 #endif
4878 #ifdef ENABLE_PS  /* for adding ps function in future */
4879         RT_RF_POWER_STATE rtState;
4880         /* When RF is off, we should not count the packet for hw/sw synchronize
4881          * reason, ie. there may be a duration while sw switch is changed and
4882          * hw switch is being changed.
4883          */
4884         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4885                                          (u8 *)(&rtState));
4886         if (rtState == eRfOff)
4887                 return;
4888 #endif
4889         priv->stats.rxframgment++;
4890
4891 #ifdef TODO
4892         RmMonitorSignalStrength(Adapter, pRfd);
4893 #endif
4894         /* We have to release RFD and return if rx pkt is cmd pkt. */
4895         if (rtl819xusb_rx_command_packet(dev, pstats))
4896                 return;
4897
4898 #ifdef SW_CRC_CHECK
4899         SwCrcCheck();
4900 #endif
4901
4902
4903 }
4904
4905 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4906                                         struct ieee80211_rx_stats *stats)
4907 {
4908         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4909
4910         /* Get Rx Descriptor Information */
4911         stats->virtual_address = (u8 *)skb->data;
4912         stats->Length = desc->Length;
4913         stats->RxDrvInfoSize = 0;
4914         stats->RxBufShift = 0;
4915         stats->packetlength = stats->Length - scrclng;
4916         stats->fraglength = stats->packetlength;
4917         stats->fragoffset = 0;
4918         stats->ntotalfrag = 1;
4919 }
4920
4921
4922 static void rtl8192_rx_cmd(struct sk_buff *skb)
4923 {
4924         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4925         struct net_device *dev = info->dev;
4926         /* TODO */
4927         struct ieee80211_rx_stats stats = {
4928                 .signal = 0,
4929                 .noise = 0x100 - 98,
4930                 .rate = 0,
4931                 .freq = IEEE80211_24GHZ_BAND,
4932         };
4933
4934         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4935                 query_rx_cmdpkt_desc_status(skb, &stats);
4936                 /* prfd->queue_id = 1; */
4937
4938                 /* Process the command packet received. */
4939
4940                 rtl819xusb_process_received_packet(dev, &stats);
4941
4942                 dev_kfree_skb_any(skb);
4943         }
4944 }
4945
4946 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4947 {
4948         struct sk_buff *skb;
4949         struct rtl8192_rx_info *info;
4950
4951         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4952                 info = (struct rtl8192_rx_info *)skb->cb;
4953                 switch (info->out_pipe) {
4954                 /* Nomal packet pipe */
4955                 case 3:
4956                         priv->IrpPendingCount--;
4957                         rtl8192_rx_nomal(skb);
4958                         break;
4959
4960                 /* Command packet pipe */
4961                 case 9:
4962                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4963                                  info->out_pipe);
4964
4965                         rtl8192_rx_cmd(skb);
4966                         break;
4967
4968                 default: /* should never get here! */
4969                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4970                                  info->out_pipe);
4971                         dev_kfree_skb(skb);
4972                         break;
4973                 }
4974         }
4975 }
4976
4977 static const struct net_device_ops rtl8192_netdev_ops = {
4978         .ndo_open               = rtl8192_open,
4979         .ndo_stop               = rtl8192_close,
4980         .ndo_get_stats          = rtl8192_stats,
4981         .ndo_tx_timeout         = tx_timeout,
4982         .ndo_do_ioctl           = rtl8192_ioctl,
4983         .ndo_set_rx_mode        = r8192_set_multicast,
4984         .ndo_set_mac_address    = r8192_set_mac_adr,
4985         .ndo_validate_addr      = eth_validate_addr,
4986         .ndo_change_mtu         = eth_change_mtu,
4987         .ndo_start_xmit         = ieee80211_xmit,
4988 };
4989
4990
4991 /****************************************************************************
4992      ---------------------------- USB_STUFF---------------------------
4993 *****************************************************************************/
4994
4995 static int rtl8192_usb_probe(struct usb_interface *intf,
4996                              const struct usb_device_id *id)
4997 {
4998         struct net_device *dev = NULL;
4999         struct r8192_priv *priv = NULL;
5000         struct usb_device *udev = interface_to_usbdev(intf);
5001         int ret;
5002
5003         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
5004
5005         dev = alloc_ieee80211(sizeof(struct r8192_priv));
5006         if (!dev)
5007                 return -ENOMEM;
5008
5009         usb_set_intfdata(intf, dev);
5010         SET_NETDEV_DEV(dev, &intf->dev);
5011         priv = ieee80211_priv(dev);
5012         priv->ieee80211 = netdev_priv(dev);
5013         priv->udev = udev;
5014
5015         dev->netdev_ops = &rtl8192_netdev_ops;
5016
5017         dev->wireless_handlers =
5018                 (struct iw_handler_def *)&r8192_wx_handlers_def;
5019
5020         dev->type = ARPHRD_ETHER;
5021
5022         dev->watchdog_timeo = HZ * 3;
5023
5024         if (dev_alloc_name(dev, ifname) < 0) {
5025                 RT_TRACE(COMP_INIT,
5026                          "Oops: devname already taken! Trying wlan%%d...\n");
5027                 ifname = "wlan%d";
5028                 dev_alloc_name(dev, ifname);
5029         }
5030
5031         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5032         if (rtl8192_init(dev) != 0) {
5033                 RT_TRACE(COMP_ERR, "Initialization failed");
5034                 ret = -ENODEV;
5035                 goto fail;
5036         }
5037         netif_carrier_off(dev);
5038         netif_stop_queue(dev);
5039
5040         ret = register_netdev(dev);
5041         if (ret)
5042                 goto fail2;
5043
5044         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5045         rtl8192_proc_init_one(dev);
5046
5047
5048         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5049         return 0;
5050
5051 fail2:
5052         rtl8192_down(dev);
5053         kfree(priv->pFirmware);
5054         priv->pFirmware = NULL;
5055         rtl8192_usb_deleteendpoints(dev);
5056         mdelay(10);
5057 fail:
5058         free_ieee80211(dev);
5059
5060         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5061         return ret;
5062 }
5063
5064 /* detach all the work and timer structure declared or inititialize
5065  * in r8192U_init function.
5066  */
5067 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5068 {
5069         cancel_work_sync(&priv->reset_wq);
5070         cancel_delayed_work(&priv->watch_dog_wq);
5071         cancel_delayed_work(&priv->update_beacon_wq);
5072         cancel_work_sync(&priv->qos_activate);
5073 }
5074
5075
5076 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5077 {
5078         struct net_device *dev = usb_get_intfdata(intf);
5079         struct r8192_priv *priv = ieee80211_priv(dev);
5080
5081         if (dev) {
5082                 unregister_netdev(dev);
5083
5084                 RT_TRACE(COMP_DOWN,
5085                          "=============>wlan driver to be removed\n");
5086                 rtl8192_proc_remove_one(dev);
5087
5088                 rtl8192_down(dev);
5089                 kfree(priv->pFirmware);
5090                 priv->pFirmware = NULL;
5091                 rtl8192_usb_deleteendpoints(dev);
5092                 mdelay(10);
5093         }
5094         free_ieee80211(dev);
5095         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5096 }
5097
5098 static int __init rtl8192_usb_module_init(void)
5099 {
5100         int ret;
5101
5102 #ifdef CONFIG_IEEE80211_DEBUG
5103         ret = ieee80211_debug_init();
5104         if (ret) {
5105                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5106                 return ret;
5107         }
5108 #endif
5109         ret = ieee80211_crypto_init();
5110         if (ret) {
5111                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5112                 return ret;
5113         }
5114
5115         ret = ieee80211_crypto_tkip_init();
5116         if (ret) {
5117                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5118                 return ret;
5119         }
5120
5121         ret = ieee80211_crypto_ccmp_init();
5122         if (ret) {
5123                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5124                 return ret;
5125         }
5126
5127         ret = ieee80211_crypto_wep_init();
5128         if (ret) {
5129                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5130                 return ret;
5131         }
5132
5133         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5134         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5135         RT_TRACE(COMP_INIT, "Initializing module");
5136         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5137         rtl8192_proc_module_init();
5138         return usb_register(&rtl8192_usb_driver);
5139 }
5140
5141
5142 static void __exit rtl8192_usb_module_exit(void)
5143 {
5144         usb_deregister(&rtl8192_usb_driver);
5145
5146         RT_TRACE(COMP_DOWN, "Exiting");
5147 }
5148
5149 void EnableHWSecurityConfig8192(struct net_device *dev)
5150 {
5151         u8 SECR_value = 0x0;
5152         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5153         struct ieee80211_device *ieee = priv->ieee80211;
5154
5155         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5156         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5157                 SECR_value |= SCR_RxUseDK;
5158                 SECR_value |= SCR_TxUseDK;
5159         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5160                 SECR_value |= SCR_RxUseDK;
5161                 SECR_value |= SCR_TxUseDK;
5162         }
5163         /* add HWSec active enable here.
5164          * default using hwsec. when peer AP is in N mode only and
5165          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5166          * it), use software security. when peer AP is in b,g,n mode mixed and
5167          * pairwise_key_type is none_aes, use g mode hw security.
5168          */
5169
5170         ieee->hwsec_active = 1;
5171
5172         /* add hwsec_support flag to totol control hw_sec on/off */
5173         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5174                 ieee->hwsec_active = 0;
5175                 SECR_value &= ~SCR_RxDecEnable;
5176         }
5177         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5178                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5179                  SECR_value);
5180         write_nic_byte(dev, SECR,  SECR_value);
5181 }
5182
5183
5184 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5185             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5186 {
5187         u32 TargetCommand = 0;
5188         u32 TargetContent = 0;
5189         u16 usConfig = 0;
5190         u8 i;
5191
5192         if (EntryNo >= TOTAL_CAM_ENTRY)
5193                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5194
5195         RT_TRACE(COMP_SEC,
5196                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5197                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5198
5199         if (DefaultKey)
5200                 usConfig |= BIT(15) | (KeyType << 2);
5201         else
5202                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5203
5204
5205         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5206                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5207                 TargetCommand |= BIT(31) | BIT(16);
5208
5209                 if (i == 0) { /* MAC|Config */
5210                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5211                                         (u32)(*(MacAddr + 1)) << 24 |
5212                                         (u32)usConfig;
5213
5214                         write_nic_dword(dev, WCAMI, TargetContent);
5215                         write_nic_dword(dev, RWCAM, TargetCommand);
5216                 } else if (i == 1) { /* MAC */
5217                         TargetContent = (u32)(*(MacAddr + 2))    |
5218                                         (u32)(*(MacAddr + 3)) <<  8 |
5219                                         (u32)(*(MacAddr + 4)) << 16 |
5220                                         (u32)(*(MacAddr + 5)) << 24;
5221                         write_nic_dword(dev, WCAMI, TargetContent);
5222                         write_nic_dword(dev, RWCAM, TargetCommand);
5223                 } else {
5224                         /* Key Material */
5225                         if (KeyContent) {
5226                                 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
5227                                 write_nic_dword(dev, RWCAM, TargetCommand);
5228                         }
5229                 }
5230         }
5231 }
5232
5233 /***************************************************************************
5234      ------------------- module init / exit stubs ----------------
5235 ****************************************************************************/
5236 module_init(rtl8192_usb_module_init);
5237 module_exit(rtl8192_usb_module_exit);