drivers/staging/rtl8192u/r8192U_core.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  * Linux device driver for RTL8192U
   4  *
   5  * Based on the r8187 driver, which is:
   6  * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  19  *
  20  * The full GNU General Public License is included in this distribution in the
  21  * file called LICENSE.
  22  *
  23  * Contact Information:
  24  * Jerry chuang <wlanfae@realtek.com>
  25  */
  26
  27 #ifndef CONFIG_FORCE_HARD_FLOAT
  28 double __floatsidf(int i)
  29 {
  30         return i;
  31 }
  32
  33 unsigned int __fixunsdfsi(double d)
  34 {
  35         return d;
  36 }
  37
  38 double __adddf3(double a, double b)
  39 {
  40         return a + b;
  41 }
  42
  43 double __addsf3(float a, float b)
  44 {
  45         return a + b;
  46 }
  47
  48 double __subdf3(double a, double b)
  49 {
  50         return a - b;
  51 }
  52
  53 double __extendsfdf2(float a)
  54 {
  55         return a;
  56 }
  57 #endif
  58
  59 #define CONFIG_RTL8192_IO_MAP
  60
  61 #include <linux/uaccess.h>
  62 #include "r8192U_hw.h"
  63 #include "r8192U.h"
  64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
  65 #include "r8180_93cx6.h"   /* Card EEPROM */
  66 #include "r8192U_wx.h"
  67 #include "r819xU_phy.h"
  68 #include "r819xU_phyreg.h"
  69 #include "r819xU_cmdpkt.h"
  70 #include "r8192U_dm.h"
  71 #include <linux/usb.h>
  72 #include <linux/slab.h>
  73 #include <linux/proc_fs.h>
  74 #include <linux/seq_file.h>
  75 /* FIXME: check if 2.6.7 is ok */
  76
  77 #include "dot11d.h"
  78 /* set here to open your trace code. */
  79 u32 rt_global_debug_component = COMP_DOWN       |
  80                                 COMP_SEC        |
  81                                 COMP_ERR; /* always open err flags on */
  82
  83 #define TOTAL_CAM_ENTRY 32
  84 #define CAM_CONTENT_COUNT 8
  85
  86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
  87         /* Realtek */
  88         {USB_DEVICE(0x0bda, 0x8709)},
  89         /* Corega */
  90         {USB_DEVICE(0x07aa, 0x0043)},
  91         /* Belkin */
  92         {USB_DEVICE(0x050d, 0x805E)},
  93         /* Sitecom */
  94         {USB_DEVICE(0x0df6, 0x0031)},
  95         /* EnGenius */
  96         {USB_DEVICE(0x1740, 0x9201)},
  97         /* Dlink */
  98         {USB_DEVICE(0x2001, 0x3301)},
  99         /* Zinwell */
 100         {USB_DEVICE(0x5a57, 0x0290)},
 101         /* LG */
 102         {USB_DEVICE(0x043e, 0x7a01)},
 103         {}
 104 };
 105
 106 MODULE_LICENSE("GPL");
 107 MODULE_VERSION("V 1.1");
 108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
 109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
 110
 111 static char *ifname = "wlan%d";
 112 static int hwwep = 1;  /* default use hw. set 0 to use software security */
 113 static int channels = 0x3fff;
 114
 115
 116
 117 module_param(ifname, charp, 0644);
 118 module_param(hwwep, int, 0644);
 119 module_param(channels, int, 0644);
 120
 121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
 122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
 123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 124
 125 static int rtl8192_usb_probe(struct usb_interface *intf,
 126                              const struct usb_device_id *id);
 127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
 128
 129
 130 static struct usb_driver rtl8192_usb_driver = {
 131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
 132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
 133         .probe          = rtl8192_usb_probe,              /* probe fn      */
 134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
 135         .suspend        = NULL,                           /* PM suspend fn */
 136         .resume         = NULL,                           /* PM resume fn  */
 137 };
 138
 139
 140 struct CHANNEL_LIST {
 141         u8      Channel[32];
 142         u8      Len;
 143 };
 144
 145 static struct CHANNEL_LIST ChannelPlan[] = {
 146         /* FCC */
 147         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
 148         /* IC */
 149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
 150         /* ETSI */
 151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
 152         /* Spain. Change to ETSI. */
 153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 154         /* France. Change to ETSI. */
 155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 156         /* MKK */
 157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 158         /* MKK1 */
 159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 160         /* Israel. */
 161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 162         /* For 11a , TELEC */
 163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 164         /* MIC */
 165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
 167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 168 };
 169
 170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 171 {
 172         int i, max_chan = -1, min_chan = -1;
 173         struct ieee80211_device *ieee = priv->ieee80211;
 174
 175         switch (channel_plan) {
 176         case COUNTRY_CODE_FCC:
 177         case COUNTRY_CODE_IC:
 178         case COUNTRY_CODE_ETSI:
 179         case COUNTRY_CODE_SPAIN:
 180         case COUNTRY_CODE_FRANCE:
 181         case COUNTRY_CODE_MKK:
 182         case COUNTRY_CODE_MKK1:
 183         case COUNTRY_CODE_ISRAEL:
 184         case COUNTRY_CODE_TELEC:
 185         case COUNTRY_CODE_MIC:
 186                 Dot11d_Init(ieee);
 187                 ieee->bGlobalDomain = false;
 188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
 189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
 190                         min_chan = 1;
 191                         max_chan = 14;
 192                 } else {
 193                         RT_TRACE(COMP_ERR,
 194                                  "unknown rf chip, can't set channel map in function:%s()\n",
 195                                  __func__);
 196                 }
 197                 if (ChannelPlan[channel_plan].Len != 0) {
 198                         /* Clear old channel map */
 199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 201                         /* Set new channel map */
 202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 204                                         break;
 205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 206                         }
 207                 }
 208                 break;
 209
 210         case COUNTRY_CODE_GLOBAL_DOMAIN:
 211                 /* this flag enabled to follow 11d country IE setting,
 212                  * otherwise, it shall follow global domain settings.
 213                  */
 214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
 215                 Dot11d_Reset(ieee);
 216                 ieee->bGlobalDomain = true;
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222 }
 223
 224
 225
 226
 227 static void CamResetAllEntry(struct net_device *dev)
 228 {
 229         u32 ulcommand = 0;
 230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
 231          * associate to AP. However, ResetKey is called on
 232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
 233          * condition, Cam can not be reset because upper layer will not set
 234          * this static key again.
 235          */
 236         ulcommand |= BIT(31) | BIT(30);
 237         write_nic_dword(dev, RWCAM, ulcommand);
 238 }
 239
 240
 241 void write_cam(struct net_device *dev, u8 addr, u32 data)
 242 {
 243         write_nic_dword(dev, WCAMI, data);
 244         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
 245 }
 246
 247 u32 read_cam(struct net_device *dev, u8 addr)
 248 {
 249         u32 data;
 250
 251         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 252         read_nic_dword(dev, 0xa8, &data);
 253         return data;
 254 }
 255
 256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 257 {
 258         int status;
 259         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 260         struct usb_device *udev = priv->udev;
 261         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 262
 263         if (!usbdata)
 264                 return -ENOMEM;
 265         *usbdata = data;
 266
 267         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 268                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 269                                  indx | 0xfe00, 0, usbdata, 1, 500);
 270         kfree(usbdata);
 271
 272         if (status < 0) {
 273                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 274                 return status;
 275         }
 276         return 0;
 277 }
 278
 279 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 280 {
 281         int status;
 282         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 283         struct usb_device *udev = priv->udev;
 284         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 285
 286         if (!usbdata)
 287                 return -ENOMEM;
 288
 289         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 290                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 291                                  indx | 0xfe00, 0, usbdata, 1, 500);
 292         *data = *usbdata;
 293         kfree(usbdata);
 294
 295         if (status < 0) {
 296                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 297                 return status;
 298         }
 299
 300         return 0;
 301 }
 302
 303 /* as 92U has extend page from 4 to 16, so modify functions below. */
 304 int write_nic_byte(struct net_device *dev, int indx, u8 data)
 305 {
 306         int status;
 307
 308         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 309         struct usb_device *udev = priv->udev;
 310         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 311
 312         if (!usbdata)
 313                 return -ENOMEM;
 314         *usbdata = data;
 315
 316         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 317                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 318                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 319                                  usbdata, 1, 500);
 320         kfree(usbdata);
 321
 322         if (status < 0) {
 323                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 324                 return status;
 325         }
 326
 327         return 0;
 328 }
 329
 330
 331 int write_nic_word(struct net_device *dev, int indx, u16 data)
 332 {
 333         int status;
 334
 335         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 336         struct usb_device *udev = priv->udev;
 337         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 338
 339         if (!usbdata)
 340                 return -ENOMEM;
 341         *usbdata = data;
 342
 343         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 344                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 345                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 346                                  usbdata, 2, 500);
 347         kfree(usbdata);
 348
 349         if (status < 0) {
 350                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 351                 return status;
 352         }
 353
 354         return 0;
 355 }
 356
 357
 358 int write_nic_dword(struct net_device *dev, int indx, u32 data)
 359 {
 360         int status;
 361
 362         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 363         struct usb_device *udev = priv->udev;
 364         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
 365
 366         if (!usbdata)
 367                 return -ENOMEM;
 368         *usbdata = data;
 369
 370         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 371                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 372                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 373                                  usbdata, 4, 500);
 374         kfree(usbdata);
 375
 376
 377         if (status < 0) {
 378                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
 379                 return status;
 380         }
 381
 382         return 0;
 383 }
 384
 385
 386
 387 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 388 {
 389         int status;
 390         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 391         struct usb_device *udev = priv->udev;
 392         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
 393
 394         if (!usbdata)
 395                 return -ENOMEM;
 396
 397         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 398                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 399                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 400                                  usbdata, 1, 500);
 401         *data = *usbdata;
 402         kfree(usbdata);
 403
 404         if (status < 0) {
 405                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 406                 return status;
 407         }
 408
 409         return 0;
 410 }
 411
 412
 413
 414 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 415 {
 416         int status;
 417         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 418         struct usb_device *udev = priv->udev;
 419         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 420
 421         if (!usbdata)
 422                 return -ENOMEM;
 423
 424         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 425                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 426                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 427                                  usbdata, 2, 500);
 428         *data = *usbdata;
 429         kfree(usbdata);
 430
 431         if (status < 0) {
 432                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 433                 return status;
 434         }
 435
 436         return 0;
 437 }
 438
 439 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 440 {
 441         int status;
 442         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 443         struct usb_device *udev = priv->udev;
 444         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
 445
 446         if (!usbdata)
 447                 return -ENOMEM;
 448
 449         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 450                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 451                                  indx | 0xfe00, 0, usbdata, 2, 500);
 452         *data = *usbdata;
 453         kfree(usbdata);
 454
 455         if (status < 0) {
 456                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 457                 return status;
 458         }
 459
 460         return 0;
 461 }
 462
 463 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 464 {
 465         int status;
 466
 467         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 468         struct usb_device *udev = priv->udev;
 469         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
 470
 471         if (!usbdata)
 472                 return -ENOMEM;
 473
 474         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 475                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 476                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 477                                  usbdata, 4, 500);
 478         *data = *usbdata;
 479         kfree(usbdata);
 480
 481         if (status < 0) {
 482                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 483                 return status;
 484         }
 485
 486         return 0;
 487 }
 488
 489 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 490 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 491 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 492  * plans are to possibility turn it again in one common code...
 493  */
 494 inline void force_pci_posting(struct net_device *dev)
 495 {
 496 }
 497
 498 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 499 static void rtl8192_restart(struct work_struct *work);
 500 static void watch_dog_timer_callback(unsigned long data);
 501
 502 /****************************************************************************
 503  *   -----------------------------PROCFS STUFF-------------------------
 504  ****************************************************************************/
 505
 506 static struct proc_dir_entry *rtl8192_proc;
 507
 508 static int proc_get_stats_ap(struct seq_file *m, void *v)
 509 {
 510         struct net_device *dev = m->private;
 511         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 512         struct ieee80211_device *ieee = priv->ieee80211;
 513         struct ieee80211_network *target;
 514
 515         list_for_each_entry(target, &ieee->network_list, list) {
 516                 const char *wpa = "non_WPA";
 517
 518                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 519                         wpa = "WPA";
 520
 521                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 522         }
 523
 524         return 0;
 525 }
 526
 527 static int proc_get_registers(struct seq_file *m, void *v)
 528 {
 529         struct net_device *dev = m->private;
 530         int i, n, max = 0xff;
 531         u8 byte_rd;
 532
 533         seq_puts(m, "\n####################page 0##################\n ");
 534
 535         for (n = 0; n <= max;) {
 536                 seq_printf(m, "\nD:  %2x > ", n);
 537
 538                 for (i = 0; i < 16 && n <= max; i++, n++) {
 539                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 540                         seq_printf(m, "%2x ", byte_rd);
 541                 }
 542         }
 543
 544         seq_puts(m, "\n####################page 1##################\n ");
 545         for (n = 0; n <= max;) {
 546                 seq_printf(m, "\nD:  %2x > ", n);
 547
 548                 for (i = 0; i < 16 && n <= max; i++, n++) {
 549                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 550                         seq_printf(m, "%2x ", byte_rd);
 551                 }
 552         }
 553
 554         seq_puts(m, "\n####################page 3##################\n ");
 555         for (n = 0; n <= max;) {
 556                 seq_printf(m, "\nD:  %2x > ", n);
 557
 558                 for (i = 0; i < 16 && n <= max; i++, n++) {
 559                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 560                         seq_printf(m, "%2x ", byte_rd);
 561                 }
 562         }
 563
 564         seq_putc(m, '\n');
 565         return 0;
 566 }
 567
 568 static int proc_get_stats_tx(struct seq_file *m, void *v)
 569 {
 570         struct net_device *dev = m->private;
 571         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 572
 573         seq_printf(m,
 574                    "TX VI priority ok int: %lu\n"
 575                    "TX VI priority error int: %lu\n"
 576                    "TX VO priority ok int: %lu\n"
 577                    "TX VO priority error int: %lu\n"
 578                    "TX BE priority ok int: %lu\n"
 579                    "TX BE priority error int: %lu\n"
 580                    "TX BK priority ok int: %lu\n"
 581                    "TX BK priority error int: %lu\n"
 582                    "TX MANAGE priority ok int: %lu\n"
 583                    "TX MANAGE priority error int: %lu\n"
 584                    "TX BEACON priority ok int: %lu\n"
 585                    "TX BEACON priority error int: %lu\n"
 586                    "TX queue resume: %lu\n"
 587                    "TX queue stopped?: %d\n"
 588                    "TX fifo overflow: %lu\n"
 589                    "TX VI queue: %d\n"
 590                    "TX VO queue: %d\n"
 591                    "TX BE queue: %d\n"
 592                    "TX BK queue: %d\n"
 593                    "TX VI dropped: %lu\n"
 594                    "TX VO dropped: %lu\n"
 595                    "TX BE dropped: %lu\n"
 596                    "TX BK dropped: %lu\n"
 597                    "TX total data packets %lu\n",
 598                    priv->stats.txviokint,
 599                    priv->stats.txvierr,
 600                    priv->stats.txvookint,
 601                    priv->stats.txvoerr,
 602                    priv->stats.txbeokint,
 603                    priv->stats.txbeerr,
 604                    priv->stats.txbkokint,
 605                    priv->stats.txbkerr,
 606                    priv->stats.txmanageokint,
 607                    priv->stats.txmanageerr,
 608                    priv->stats.txbeaconokint,
 609                    priv->stats.txbeaconerr,
 610                    priv->stats.txresumed,
 611                    netif_queue_stopped(dev),
 612                    priv->stats.txoverflow,
 613                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 614                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 615                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 616                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 617                    priv->stats.txvidrop,
 618                    priv->stats.txvodrop,
 619                    priv->stats.txbedrop,
 620                    priv->stats.txbkdrop,
 621                    priv->stats.txdatapkt
 622                 );
 623
 624         return 0;
 625 }
 626
 627 static int proc_get_stats_rx(struct seq_file *m, void *v)
 628 {
 629         struct net_device *dev = m->private;
 630         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 631
 632         seq_printf(m,
 633                    "RX packets: %lu\n"
 634                    "RX urb status error: %lu\n"
 635                    "RX invalid urb error: %lu\n",
 636                    priv->stats.rxoktotal,
 637                    priv->stats.rxstaterr,
 638                    priv->stats.rxurberr);
 639
 640         return 0;
 641 }
 642
 643 static void rtl8192_proc_module_init(void)
 644 {
 645         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 646         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 647 }
 648
 649 /*
 650  * seq_file wrappers for procfile show routines.
 651  */
 652 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 653 {
 654         struct net_device *dev = proc_get_parent_data(inode);
 655         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 656
 657         return single_open(file, show, dev);
 658 }
 659
 660 static const struct file_operations rtl8192_proc_fops = {
 661         .open           = rtl8192_proc_open,
 662         .read           = seq_read,
 663         .llseek         = seq_lseek,
 664         .release        = single_release,
 665 };
 666
 667 /*
 668  * Table of proc files we need to create.
 669  */
 670 struct rtl8192_proc_file {
 671         char name[12];
 672         int (*show)(struct seq_file *, void *);
 673 };
 674
 675 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 676         { "stats-rx",   &proc_get_stats_rx },
 677         { "stats-tx",   &proc_get_stats_tx },
 678         { "stats-ap",   &proc_get_stats_ap },
 679         { "registers",  &proc_get_registers },
 680         { "" }
 681 };
 682
 683 static void rtl8192_proc_init_one(struct net_device *dev)
 684 {
 685         const struct rtl8192_proc_file *f;
 686         struct proc_dir_entry *dir;
 687
 688         if (rtl8192_proc) {
 689                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 690                 if (!dir) {
 691                         RT_TRACE(COMP_ERR,
 692                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 693                                  dev->name);
 694                         return;
 695                 }
 696
 697                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 698                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 699                                               &rtl8192_proc_fops, f->show)) {
 700                                 RT_TRACE(COMP_ERR,
 701                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 702                                          dev->name, f->name);
 703                                 return;
 704                         }
 705                 }
 706         }
 707 }
 708
 709 static void rtl8192_proc_remove_one(struct net_device *dev)
 710 {
 711         remove_proc_subtree(dev->name, rtl8192_proc);
 712 }
 713
 714 /****************************************************************************
 715  *  -----------------------------MISC STUFF-------------------------
 716  *****************************************************************************/
 717
 718 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 719 {
 720         struct r8192_priv *priv = ieee80211_priv(dev);
 721         int used = atomic_read(&priv->tx_pending[queue_index]);
 722
 723         return (used < MAX_TX_URB);
 724 }
 725
 726 static void tx_timeout(struct net_device *dev)
 727 {
 728         struct r8192_priv *priv = ieee80211_priv(dev);
 729
 730         schedule_work(&priv->reset_wq);
 731 }
 732
 733 void rtl8192_update_msr(struct net_device *dev)
 734 {
 735         struct r8192_priv *priv = ieee80211_priv(dev);
 736         u8 msr;
 737
 738         read_nic_byte(dev, MSR, &msr);
 739         msr &= ~MSR_LINK_MASK;
 740
 741         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 742          * msr must be updated if the state is ASSOCIATING.
 743          * this is intentional and make sense for ad-hoc and
 744          * master (see the create BSS/IBSS func)
 745          */
 746         if (priv->ieee80211->state == IEEE80211_LINKED) {
 747                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 748                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 749                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 750                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 751                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 752                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 753
 754         } else {
 755                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 756         }
 757
 758         write_nic_byte(dev, MSR, msr);
 759 }
 760
 761 void rtl8192_set_chan(struct net_device *dev, short ch)
 762 {
 763         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 764
 765         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 766         priv->chan = ch;
 767
 768         /* this hack should avoid frame TX during channel setting*/
 769
 770         /* need to implement rf set channel here */
 771
 772         if (priv->rf_set_chan)
 773                 priv->rf_set_chan(dev, priv->chan);
 774         mdelay(10);
 775 }
 776
 777 static void rtl8192_rx_isr(struct urb *urb);
 778
 779 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 780 {
 781         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 782                 + pstats->RxBufShift);
 783 }
 784
 785 static int rtl8192_rx_initiate(struct net_device *dev)
 786 {
 787         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 788         struct urb *entry;
 789         struct sk_buff *skb;
 790         struct rtl8192_rx_info *info;
 791
 792         /* nomal packet rx procedure */
 793         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 794                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 795                 if (!skb)
 796                         break;
 797                 entry = usb_alloc_urb(0, GFP_KERNEL);
 798                 if (!entry) {
 799                         kfree_skb(skb);
 800                         break;
 801                 }
 802                 usb_fill_bulk_urb(entry, priv->udev,
 803                                   usb_rcvbulkpipe(priv->udev, 3),
 804                                   skb_tail_pointer(skb),
 805                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 806                 info = (struct rtl8192_rx_info *)skb->cb;
 807                 info->urb = entry;
 808                 info->dev = dev;
 809                 info->out_pipe = 3; /* denote rx normal packet queue */
 810                 skb_queue_tail(&priv->rx_queue, skb);
 811                 usb_submit_urb(entry, GFP_KERNEL);
 812         }
 813
 814         /* command packet rx procedure */
 815         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 816                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 817                 if (!skb)
 818                         break;
 819                 entry = usb_alloc_urb(0, GFP_KERNEL);
 820                 if (!entry) {
 821                         kfree_skb(skb);
 822                         break;
 823                 }
 824                 usb_fill_bulk_urb(entry, priv->udev,
 825                                   usb_rcvbulkpipe(priv->udev, 9),
 826                                   skb_tail_pointer(skb),
 827                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 828                 info = (struct rtl8192_rx_info *)skb->cb;
 829                 info->urb = entry;
 830                 info->dev = dev;
 831                 info->out_pipe = 9; /* denote rx cmd packet queue */
 832                 skb_queue_tail(&priv->rx_queue, skb);
 833                 usb_submit_urb(entry, GFP_KERNEL);
 834         }
 835
 836         return 0;
 837 }
 838
 839 void rtl8192_set_rxconf(struct net_device *dev)
 840 {
 841         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 842         u32 rxconf;
 843
 844         read_nic_dword(dev, RCR, &rxconf);
 845         rxconf = rxconf & ~MAC_FILTER_MASK;
 846         rxconf = rxconf | RCR_AMF;
 847         rxconf = rxconf | RCR_ADF;
 848         rxconf = rxconf | RCR_AB;
 849         rxconf = rxconf | RCR_AM;
 850
 851         if (dev->flags & IFF_PROMISC)
 852                 DMESG("NIC in promisc mode");
 853
 854         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 855             dev->flags & IFF_PROMISC) {
 856                 rxconf = rxconf | RCR_AAP;
 857         } else {
 858                 rxconf = rxconf | RCR_APM;
 859                 rxconf = rxconf | RCR_CBSSID;
 860         }
 861
 862
 863         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 864                 rxconf = rxconf | RCR_AICV;
 865                 rxconf = rxconf | RCR_APWRMGT;
 866         }
 867
 868         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 869                 rxconf = rxconf | RCR_ACRC32;
 870
 871
 872         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 873         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 874         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 875         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 876
 877         rxconf = rxconf | RCR_ONLYERLPKT;
 878
 879         write_nic_dword(dev, RCR, rxconf);
 880 }
 881
 882 /* wait to be removed */
 883 void rtl8192_rx_enable(struct net_device *dev)
 884 {
 885         rtl8192_rx_initiate(dev);
 886 }
 887
 888
 889 void rtl8192_tx_enable(struct net_device *dev)
 890 {
 891 }
 892
 893
 894
 895 void rtl8192_rtx_disable(struct net_device *dev)
 896 {
 897         u8 cmd;
 898         struct r8192_priv *priv = ieee80211_priv(dev);
 899         struct sk_buff *skb;
 900         struct rtl8192_rx_info *info;
 901
 902         read_nic_byte(dev, CMDR, &cmd);
 903         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 904         force_pci_posting(dev);
 905         mdelay(10);
 906
 907         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 908                 info = (struct rtl8192_rx_info *)skb->cb;
 909                 if (!info->urb)
 910                         continue;
 911
 912                 usb_kill_urb(info->urb);
 913                 kfree_skb(skb);
 914         }
 915
 916         if (skb_queue_len(&priv->skb_queue))
 917                 netdev_warn(dev, "skb_queue not empty\n");
 918
 919         skb_queue_purge(&priv->skb_queue);
 920 }
 921
 922 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 923 static void rtl8192_rx_isr(struct urb *urb)
 924 {
 925         struct sk_buff *skb = (struct sk_buff *)urb->context;
 926         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 927         struct net_device *dev = info->dev;
 928         struct r8192_priv *priv = ieee80211_priv(dev);
 929         int out_pipe = info->out_pipe;
 930         int err;
 931
 932         if (!priv->up)
 933                 return;
 934
 935         if (unlikely(urb->status)) {
 936                 info->urb = NULL;
 937                 priv->stats.rxstaterr++;
 938                 priv->ieee80211->stats.rx_errors++;
 939                 usb_free_urb(urb);
 940                 return;
 941         }
 942         skb_unlink(skb, &priv->rx_queue);
 943         skb_put(skb, urb->actual_length);
 944
 945         skb_queue_tail(&priv->skb_queue, skb);
 946         tasklet_schedule(&priv->irq_rx_tasklet);
 947
 948         skb = dev_alloc_skb(RX_URB_SIZE);
 949         if (unlikely(!skb)) {
 950                 usb_free_urb(urb);
 951                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 952                 /* TODO check rx queue length and refill *somewhere* */
 953                 return;
 954         }
 955
 956         usb_fill_bulk_urb(urb, priv->udev,
 957                           usb_rcvbulkpipe(priv->udev, out_pipe),
 958                           skb_tail_pointer(skb),
 959                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 960
 961         info = (struct rtl8192_rx_info *)skb->cb;
 962         info->urb = urb;
 963         info->dev = dev;
 964         info->out_pipe = out_pipe;
 965
 966         urb->transfer_buffer = skb_tail_pointer(skb);
 967         urb->context = skb;
 968         skb_queue_tail(&priv->rx_queue, skb);
 969         err = usb_submit_urb(urb, GFP_ATOMIC);
 970         if (err && err != EPERM)
 971                 netdev_err(dev,
 972                            "can not submit rxurb, err is %x, URB status is %x\n",
 973                            err, urb->status);
 974 }
 975
 976 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 977                                         struct ieee80211_rx_stats *pstats)
 978 {
 979         u32     status;
 980
 981         status = cmpk_message_handle_rx(dev, pstats);
 982         if (status)
 983                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 984
 985         return status;
 986 }
 987
 988
 989 static void rtl8192_data_hard_stop(struct net_device *dev)
 990 {
 991         /* FIXME !! */
 992 }
 993
 994
 995 static void rtl8192_data_hard_resume(struct net_device *dev)
 996 {
 997         /* FIXME !! */
 998 }
 999
1000 /* this function TX data frames when the ieee80211 stack requires this.
1001  * It checks also if we need to stop the ieee tx queue, eventually do it
1002  */
1003 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1004                                    int rate)
1005 {
1006         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1007         int ret;
1008         unsigned long flags;
1009         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1010         u8 queue_index = tcb_desc->queue_index;
1011
1012         /* shall not be referred by command packet */
1013         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1014
1015         spin_lock_irqsave(&priv->tx_lock, flags);
1016
1017         *(struct net_device **)(skb->cb) = dev;
1018         tcb_desc->bTxEnableFwCalcDur = 1;
1019         skb_push(skb, priv->ieee80211->tx_headroom);
1020         ret = rtl8192_tx(dev, skb);
1021
1022         spin_unlock_irqrestore(&priv->tx_lock, flags);
1023 }
1024
1025 /* This is a rough attempt to TX a frame
1026  * This is called by the ieee 80211 stack to TX management frames.
1027  * If the ring is full packet are dropped (for data frame the queue
1028  * is stopped before this can happen).
1029  */
1030 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1031 {
1032         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1033         int ret;
1034         unsigned long flags;
1035         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1036         u8 queue_index = tcb_desc->queue_index;
1037
1038
1039         spin_lock_irqsave(&priv->tx_lock, flags);
1040
1041         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1042         if (queue_index == TXCMD_QUEUE) {
1043                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1044                 rtl819xU_tx_cmd(dev, skb);
1045                 ret = 1;
1046         } else {
1047                 skb_push(skb, priv->ieee80211->tx_headroom);
1048                 ret = rtl8192_tx(dev, skb);
1049         }
1050
1051         spin_unlock_irqrestore(&priv->tx_lock, flags);
1052
1053         return ret;
1054 }
1055
1056 static void rtl8192_tx_isr(struct urb *tx_urb)
1057 {
1058         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1059         struct net_device *dev;
1060         struct r8192_priv *priv = NULL;
1061         struct cb_desc *tcb_desc;
1062         u8  queue_index;
1063
1064         if (!skb)
1065                 return;
1066
1067         dev = *(struct net_device **)(skb->cb);
1068         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1069         queue_index = tcb_desc->queue_index;
1070
1071         priv = ieee80211_priv(dev);
1072
1073         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1074                 if (tx_urb->status == 0) {
1075                         netif_trans_update(dev);
1076                         priv->stats.txoktotal++;
1077                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1078                         priv->stats.txbytesunicast +=
1079                                 (skb->len - priv->ieee80211->tx_headroom);
1080                 } else {
1081                         priv->ieee80211->stats.tx_errors++;
1082                         /* TODO */
1083                 }
1084         }
1085
1086         /* free skb and tx_urb */
1087         dev_kfree_skb_any(skb);
1088         usb_free_urb(tx_urb);
1089         atomic_dec(&priv->tx_pending[queue_index]);
1090
1091         /*
1092          * Handle HW Beacon:
1093          * We had transfer our beacon frame to host controller at this moment.
1094          *
1095          *
1096          * Caution:
1097          * Handling the wait queue of command packets.
1098          * For Tx command packets, we must not do TCB fragment because it is
1099          * not handled right now. We must cut the packets to match the size of
1100          * TX_CMD_PKT before we send it.
1101          */
1102
1103         /* Handle MPDU in wait queue. */
1104         if (queue_index != BEACON_QUEUE) {
1105                 /* Don't send data frame during scanning.*/
1106                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1107                     (!(priv->ieee80211->queue_stop))) {
1108                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1109                         if (skb)
1110                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1111                                                                          dev);
1112
1113                         return; /* avoid further processing AMSDU */
1114                 }
1115         }
1116 }
1117
1118 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1119 {
1120         struct r8192_priv *priv = ieee80211_priv(dev);
1121         struct ieee80211_network *net;
1122         u8 i = 0, basic_rate = 0;
1123
1124         net = &priv->ieee80211->current_network;
1125
1126         for (i = 0; i < net->rates_len; i++) {
1127                 basic_rate = net->rates[i] & 0x7f;
1128                 switch (basic_rate) {
1129                 case MGN_1M:
1130                         *rate_config |= RRSR_1M;
1131                         break;
1132                 case MGN_2M:
1133                         *rate_config |= RRSR_2M;
1134                         break;
1135                 case MGN_5_5M:
1136                         *rate_config |= RRSR_5_5M;
1137                         break;
1138                 case MGN_11M:
1139                         *rate_config |= RRSR_11M;
1140                         break;
1141                 case MGN_6M:
1142                         *rate_config |= RRSR_6M;
1143                         break;
1144                 case MGN_9M:
1145                         *rate_config |= RRSR_9M;
1146                         break;
1147                 case MGN_12M:
1148                         *rate_config |= RRSR_12M;
1149                         break;
1150                 case MGN_18M:
1151                         *rate_config |= RRSR_18M;
1152                         break;
1153                 case MGN_24M:
1154                         *rate_config |= RRSR_24M;
1155                         break;
1156                 case MGN_36M:
1157                         *rate_config |= RRSR_36M;
1158                         break;
1159                 case MGN_48M:
1160                         *rate_config |= RRSR_48M;
1161                         break;
1162                 case MGN_54M:
1163                         *rate_config |= RRSR_54M;
1164                         break;
1165                 }
1166         }
1167         for (i = 0; i < net->rates_ex_len; i++) {
1168                 basic_rate = net->rates_ex[i] & 0x7f;
1169                 switch (basic_rate) {
1170                 case MGN_1M:
1171                         *rate_config |= RRSR_1M;
1172                         break;
1173                 case MGN_2M:
1174                         *rate_config |= RRSR_2M;
1175                         break;
1176                 case MGN_5_5M:
1177                         *rate_config |= RRSR_5_5M;
1178                         break;
1179                 case MGN_11M:
1180                         *rate_config |= RRSR_11M;
1181                         break;
1182                 case MGN_6M:
1183                         *rate_config |= RRSR_6M;
1184                         break;
1185                 case MGN_9M:
1186                         *rate_config |= RRSR_9M;
1187                         break;
1188                 case MGN_12M:
1189                         *rate_config |= RRSR_12M;
1190                         break;
1191                 case MGN_18M:
1192                         *rate_config |= RRSR_18M;
1193                         break;
1194                 case MGN_24M:
1195                         *rate_config |= RRSR_24M;
1196                         break;
1197                 case MGN_36M:
1198                         *rate_config |= RRSR_36M;
1199                         break;
1200                 case MGN_48M:
1201                         *rate_config |= RRSR_48M;
1202                         break;
1203                 case MGN_54M:
1204                         *rate_config |= RRSR_54M;
1205                         break;
1206                 }
1207         }
1208 }
1209
1210
1211 #define SHORT_SLOT_TIME 9
1212 #define NON_SHORT_SLOT_TIME 20
1213
1214 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1215 {
1216         u32 tmp = 0;
1217         struct r8192_priv *priv = ieee80211_priv(dev);
1218         struct ieee80211_network *net = &priv->ieee80211->current_network;
1219
1220         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1221         tmp = priv->basic_rate;
1222         if (priv->short_preamble)
1223                 tmp |= BRSR_AckShortPmb;
1224         write_nic_dword(dev, RRSR, tmp);
1225
1226         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1227                 u8 slot_time = 0;
1228
1229                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1230                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1231                         /* short slot time */
1232                         slot_time = SHORT_SLOT_TIME;
1233                 else    /* long slot time */
1234                         slot_time = NON_SHORT_SLOT_TIME;
1235                 priv->slot_time = slot_time;
1236                 write_nic_byte(dev, SLOT_TIME, slot_time);
1237         }
1238 }
1239
1240 static void rtl8192_net_update(struct net_device *dev)
1241 {
1242         struct r8192_priv *priv = ieee80211_priv(dev);
1243         struct ieee80211_network *net;
1244         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1245         u16 rate_config = 0;
1246
1247         net = &priv->ieee80211->current_network;
1248
1249         rtl8192_config_rate(dev, &rate_config);
1250         priv->basic_rate = rate_config & 0x15f;
1251
1252         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1253         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1254
1255         rtl8192_update_msr(dev);
1256         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1257                 write_nic_word(dev, ATIMWND, 2);
1258                 write_nic_word(dev, BCN_DMATIME, 1023);
1259                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1260                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1261                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1262                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1263                 /* TODO: BcnIFS may required to be changed on ASIC */
1264                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1265
1266                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1267         }
1268 }
1269
1270 /* temporary hw beacon is not used any more.
1271  * open it when necessary
1272  */
1273 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1274 {
1275
1276 }
1277
1278 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1279 {
1280         struct r8192_priv *priv = ieee80211_priv(dev);
1281         int                     status;
1282         struct urb              *tx_urb;
1283         unsigned int            idx_pipe;
1284         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1285         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1286         u8 queue_index = tcb_desc->queue_index;
1287
1288         atomic_inc(&priv->tx_pending[queue_index]);
1289         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1290         if (!tx_urb) {
1291                 dev_kfree_skb(skb);
1292                 return -ENOMEM;
1293         }
1294
1295         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1296         /* Tx descriptor ought to be set according to the skb->cb */
1297         pdesc->FirstSeg = 1;
1298         pdesc->LastSeg = 1;
1299         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1300         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1301         pdesc->OWN = 1;
1302         pdesc->LINIP = tcb_desc->bLastIniPkt;
1303
1304         /*---------------------------------------------------------------------
1305          * Fill up USB_OUT_CONTEXT.
1306          *---------------------------------------------------------------------
1307          */
1308         idx_pipe = 0x04;
1309         usb_fill_bulk_urb(tx_urb, priv->udev,
1310                           usb_sndbulkpipe(priv->udev, idx_pipe),
1311                           skb->data, skb->len, rtl8192_tx_isr, skb);
1312
1313         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1314
1315         if (!status)
1316                 return 0;
1317
1318         DMESGE("Error TX CMD URB, error %d", status);
1319         return -1;
1320 }
1321
1322 /*
1323  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1324  * in TxFwInfo data structure
1325  * 2006.10.30 by Emily
1326  *
1327  * \param QUEUEID       Software Queue
1328  */
1329 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1330 {
1331         u8 QueueSelect = 0x0;       /* default set to */
1332
1333         switch (QueueID) {
1334         case BE_QUEUE:
1335                 QueueSelect = QSLT_BE;
1336                 break;
1337
1338         case BK_QUEUE:
1339                 QueueSelect = QSLT_BK;
1340                 break;
1341
1342         case VO_QUEUE:
1343                 QueueSelect = QSLT_VO;
1344                 break;
1345
1346         case VI_QUEUE:
1347                 QueueSelect = QSLT_VI;
1348                 break;
1349         case MGNT_QUEUE:
1350                 QueueSelect = QSLT_MGNT;
1351                 break;
1352
1353         case BEACON_QUEUE:
1354                 QueueSelect = QSLT_BEACON;
1355                 break;
1356
1357                 /* TODO: mark other queue selection until we verify it is OK */
1358                 /* TODO: Remove Assertions */
1359         case TXCMD_QUEUE:
1360                 QueueSelect = QSLT_CMD;
1361                 break;
1362         case HIGH_QUEUE:
1363                 QueueSelect = QSLT_HIGH;
1364                 break;
1365
1366         default:
1367                 RT_TRACE(COMP_ERR,
1368                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1369                          QueueID);
1370                 break;
1371         }
1372         return QueueSelect;
1373 }
1374
1375 static u8 MRateToHwRate8190Pci(u8 rate)
1376 {
1377         u8  ret = DESC90_RATE1M;
1378
1379         switch (rate) {
1380         case MGN_1M:
1381                 ret = DESC90_RATE1M;
1382                 break;
1383         case MGN_2M:
1384                 ret = DESC90_RATE2M;
1385                 break;
1386         case MGN_5_5M:
1387                 ret = DESC90_RATE5_5M;
1388                 break;
1389         case MGN_11M:
1390                 ret = DESC90_RATE11M;
1391                 break;
1392         case MGN_6M:
1393                 ret = DESC90_RATE6M;
1394                 break;
1395         case MGN_9M:
1396                 ret = DESC90_RATE9M;
1397                 break;
1398         case MGN_12M:
1399                 ret = DESC90_RATE12M;
1400                 break;
1401         case MGN_18M:
1402                 ret = DESC90_RATE18M;
1403                 break;
1404         case MGN_24M:
1405                 ret = DESC90_RATE24M;
1406                 break;
1407         case MGN_36M:
1408                 ret = DESC90_RATE36M;
1409                 break;
1410         case MGN_48M:
1411                 ret = DESC90_RATE48M;
1412                 break;
1413         case MGN_54M:
1414                 ret = DESC90_RATE54M;
1415                 break;
1416
1417         /* HT rate since here */
1418         case MGN_MCS0:
1419                 ret = DESC90_RATEMCS0;
1420                 break;
1421         case MGN_MCS1:
1422                 ret = DESC90_RATEMCS1;
1423                 break;
1424         case MGN_MCS2:
1425                 ret = DESC90_RATEMCS2;
1426                 break;
1427         case MGN_MCS3:
1428                 ret = DESC90_RATEMCS3;
1429                 break;
1430         case MGN_MCS4:
1431                 ret = DESC90_RATEMCS4;
1432                 break;
1433         case MGN_MCS5:
1434                 ret = DESC90_RATEMCS5;
1435                 break;
1436         case MGN_MCS6:
1437                 ret = DESC90_RATEMCS6;
1438                 break;
1439         case MGN_MCS7:
1440                 ret = DESC90_RATEMCS7;
1441                 break;
1442         case MGN_MCS8:
1443                 ret = DESC90_RATEMCS8;
1444                 break;
1445         case MGN_MCS9:
1446                 ret = DESC90_RATEMCS9;
1447                 break;
1448         case MGN_MCS10:
1449                 ret = DESC90_RATEMCS10;
1450                 break;
1451         case MGN_MCS11:
1452                 ret = DESC90_RATEMCS11;
1453                 break;
1454         case MGN_MCS12:
1455                 ret = DESC90_RATEMCS12;
1456                 break;
1457         case MGN_MCS13:
1458                 ret = DESC90_RATEMCS13;
1459                 break;
1460         case MGN_MCS14:
1461                 ret = DESC90_RATEMCS14;
1462                 break;
1463         case MGN_MCS15:
1464                 ret = DESC90_RATEMCS15;
1465                 break;
1466         case (0x80 | 0x20):
1467                 ret = DESC90_RATEMCS32;
1468                 break;
1469
1470         default:
1471                 break;
1472         }
1473         return ret;
1474 }
1475
1476
1477 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1478 {
1479         u8   tmp_Short;
1480
1481         tmp_Short = (TxHT == 1) ?
1482                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1483                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1484
1485         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1486                 tmp_Short = 0;
1487
1488         return tmp_Short;
1489 }
1490
1491 static void tx_zero_isr(struct urb *tx_urb)
1492 {
1493 }
1494
1495 /*
1496  * The tx procedure is just as following,
1497  * skb->cb will contain all the following information,
1498  * priority, morefrag, rate, &dev.
1499  */
1500 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1501 {
1502         struct r8192_priv *priv = ieee80211_priv(dev);
1503         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1504         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1505         tx_fwinfo_819x_usb *tx_fwinfo =
1506                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1507         struct usb_device *udev = priv->udev;
1508         int pend;
1509         int status, rt = -1;
1510         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1511         unsigned int idx_pipe;
1512
1513         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1514         /* we are locked here so the two atomic_read and inc are executed
1515          * without interleaves
1516          * !!! For debug purpose
1517          */
1518         if (pend > MAX_TX_URB) {
1519                 netdev_dbg(dev, "To discard skb packet!\n");
1520                 dev_kfree_skb_any(skb);
1521                 return -1;
1522         }
1523
1524         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1525         if (!tx_urb) {
1526                 dev_kfree_skb_any(skb);
1527                 return -ENOMEM;
1528         }
1529
1530         /* Fill Tx firmware info */
1531         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1532         /* DWORD 0 */
1533         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1534         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1535         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1536         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1537                                         tcb_desc);
1538         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1539                 tx_fwinfo->AllowAggregation = 1;
1540                 /* DWORD 1 */
1541                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1542                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1543         } else {
1544                 tx_fwinfo->AllowAggregation = 0;
1545                 /* DWORD 1 */
1546                 tx_fwinfo->RxMF = 0;
1547                 tx_fwinfo->RxAMD = 0;
1548         }
1549
1550         /* Protection mode related */
1551         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1552         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1553         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1554         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1555         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1556         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1557         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1558         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1559                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1560
1561         /* Set Bandwidth and sub-channel settings. */
1562         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1563                 if (tcb_desc->bPacketBW) {
1564                         tx_fwinfo->TxBandwidth = 1;
1565                         /* use duplicated mode */
1566                         tx_fwinfo->TxSubCarrier = 0;
1567                 } else {
1568                         tx_fwinfo->TxBandwidth = 0;
1569                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1570                 }
1571         } else {
1572                 tx_fwinfo->TxBandwidth = 0;
1573                 tx_fwinfo->TxSubCarrier = 0;
1574         }
1575
1576         /* Fill Tx descriptor */
1577         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1578         /* DWORD 0 */
1579         tx_desc->LINIP = 0;
1580         tx_desc->CmdInit = 1;
1581         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1582         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1583
1584         /*DWORD 1*/
1585         tx_desc->SecCAMID = 0;
1586         tx_desc->RATid = tcb_desc->RATRIndex;
1587         tx_desc->NoEnc = 1;
1588         tx_desc->SecType = 0x0;
1589         if (tcb_desc->bHwSec) {
1590                 switch (priv->ieee80211->pairwise_key_type) {
1591                 case KEY_TYPE_WEP40:
1592                 case KEY_TYPE_WEP104:
1593                         tx_desc->SecType = 0x1;
1594                         tx_desc->NoEnc = 0;
1595                         break;
1596                 case KEY_TYPE_TKIP:
1597                         tx_desc->SecType = 0x2;
1598                         tx_desc->NoEnc = 0;
1599                         break;
1600                 case KEY_TYPE_CCMP:
1601                         tx_desc->SecType = 0x3;
1602                         tx_desc->NoEnc = 0;
1603                         break;
1604                 case KEY_TYPE_NA:
1605                         tx_desc->SecType = 0x0;
1606                         tx_desc->NoEnc = 1;
1607                         break;
1608                 }
1609         }
1610
1611         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1612         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1613
1614         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1615         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1616
1617         /* Fill fields that are required to be initialized in
1618          * all of the descriptors
1619          */
1620         /* DWORD 0 */
1621         tx_desc->FirstSeg = 1;
1622         tx_desc->LastSeg = 1;
1623         tx_desc->OWN = 1;
1624
1625         /* DWORD 2 */
1626         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1627         idx_pipe = 0x5;
1628
1629         /* To submit bulk urb */
1630         usb_fill_bulk_urb(tx_urb, udev,
1631                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1632                           skb->len, rtl8192_tx_isr, skb);
1633
1634         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1635         if (!status) {
1636                 /* We need to send 0 byte packet whenever
1637                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1638                  * been transmitted. Otherwise, it will be halt to wait for
1639                  * another packet.
1640                  */
1641                 bool bSend0Byte = false;
1642                 u8 zero = 0;
1643
1644                 if (udev->speed == USB_SPEED_HIGH) {
1645                         if (skb->len > 0 && skb->len % 512 == 0)
1646                                 bSend0Byte = true;
1647                 } else {
1648                         if (skb->len > 0 && skb->len % 64 == 0)
1649                                 bSend0Byte = true;
1650                 }
1651                 if (bSend0Byte) {
1652                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1653                         if (!tx_urb_zero) {
1654                                 rt = -ENOMEM;
1655                                 goto error;
1656                         }
1657                         usb_fill_bulk_urb(tx_urb_zero, udev,
1658                                           usb_sndbulkpipe(udev, idx_pipe),
1659                                           &zero, 0, tx_zero_isr, dev);
1660                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1661                         if (status) {
1662                                 RT_TRACE(COMP_ERR,
1663                                          "Error TX URB for zero byte %d, error %d",
1664                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1665                                          status);
1666                                 goto error;
1667                         }
1668                 }
1669                 netif_trans_update(dev);
1670                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1671                 return 0;
1672         }
1673
1674         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1675                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1676                  status);
1677
1678 error:
1679         dev_kfree_skb_any(skb);
1680         usb_free_urb(tx_urb);
1681         usb_free_urb(tx_urb_zero);
1682         return rt;
1683 }
1684
1685 static short rtl8192_usb_initendpoints(struct net_device *dev)
1686 {
1687         struct r8192_priv *priv = ieee80211_priv(dev);
1688
1689         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1690                                GFP_KERNEL);
1691         if (!priv->rx_urb)
1692                 return -ENOMEM;
1693
1694 #ifndef JACKSON_NEW_RX
1695         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1696                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1697
1698                 priv->rx_urb[i]->transfer_buffer =
1699                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1700
1701                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1702         }
1703 #endif
1704
1705 #ifdef THOMAS_BEACON
1706         {
1707                 long align = 0;
1708                 void *oldaddr, *newaddr;
1709
1710                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1711                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1712                 if (!priv->oldaddr)
1713                         return -ENOMEM;
1714                 oldaddr = priv->oldaddr;
1715                 align = ((long)oldaddr) & 3;
1716                 if (align) {
1717                         newaddr = oldaddr + 4 - align;
1718                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1719                 } else {
1720                         newaddr = oldaddr;
1721                         priv->rx_urb[16]->transfer_buffer_length = 16;
1722                 }
1723                 priv->rx_urb[16]->transfer_buffer = newaddr;
1724         }
1725 #endif
1726
1727         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1728         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1729                                  GFP_KERNEL);
1730         if (!priv->pp_rxskb) {
1731                 kfree(priv->rx_urb);
1732
1733                 priv->pp_rxskb = NULL;
1734                 priv->rx_urb = NULL;
1735
1736                 DMESGE("Endpoint Alloc Failure");
1737                 return -ENOMEM;
1738         }
1739
1740         netdev_dbg(dev, "End of initendpoints\n");
1741         return 0;
1742 }
1743
1744 #ifdef THOMAS_BEACON
1745 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1746 {
1747         int i;
1748         struct r8192_priv *priv = ieee80211_priv(dev);
1749
1750         if (priv->rx_urb) {
1751                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1752                         usb_kill_urb(priv->rx_urb[i]);
1753                         usb_free_urb(priv->rx_urb[i]);
1754                 }
1755                 kfree(priv->rx_urb);
1756                 priv->rx_urb = NULL;
1757         }
1758         kfree(priv->oldaddr);
1759         priv->oldaddr = NULL;
1760
1761         kfree(priv->pp_rxskb);
1762         priv->pp_rxskb = NULL;
1763 }
1764 #else
1765 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1766 {
1767         int i;
1768         struct r8192_priv *priv = ieee80211_priv(dev);
1769
1770 #ifndef JACKSON_NEW_RX
1771
1772         if (priv->rx_urb) {
1773                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1774                         usb_kill_urb(priv->rx_urb[i]);
1775                         kfree(priv->rx_urb[i]->transfer_buffer);
1776                         usb_free_urb(priv->rx_urb[i]);
1777                 }
1778                 kfree(priv->rx_urb);
1779                 priv->rx_urb = NULL;
1780         }
1781 #else
1782         kfree(priv->rx_urb);
1783         priv->rx_urb = NULL;
1784         kfree(priv->oldaddr);
1785         priv->oldaddr = NULL;
1786
1787         kfree(priv->pp_rxskb);
1788         priv->pp_rxskb = 0;
1789
1790 #endif
1791 }
1792 #endif
1793
1794 static void rtl8192_update_ratr_table(struct net_device *dev);
1795 static void rtl8192_link_change(struct net_device *dev)
1796 {
1797         struct r8192_priv *priv = ieee80211_priv(dev);
1798         struct ieee80211_device *ieee = priv->ieee80211;
1799
1800         if (ieee->state == IEEE80211_LINKED) {
1801                 rtl8192_net_update(dev);
1802                 rtl8192_update_ratr_table(dev);
1803                 /* Add this as in pure N mode, wep encryption will use software
1804                  * way, but there is no chance to set this as wep will not set
1805                  * group key in wext.
1806                  */
1807                 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1808                     ieee->pairwise_key_type == KEY_TYPE_WEP104)
1809                         EnableHWSecurityConfig8192(dev);
1810         }
1811         /*update timing params*/
1812         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1813                 u32 reg = 0;
1814
1815                 read_nic_dword(dev, RCR, &reg);
1816                 if (priv->ieee80211->state == IEEE80211_LINKED)
1817                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1818                 else
1819                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1820                 write_nic_dword(dev, RCR, reg);
1821         }
1822 }
1823
1824 static const struct ieee80211_qos_parameters def_qos_parameters = {
1825         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1826         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1827         {2, 2, 2, 2},/* aifs */
1828         {0, 0, 0, 0},/* flags */
1829         {0, 0, 0, 0} /* tx_op_limit */
1830 };
1831
1832
1833 static void rtl8192_update_beacon(struct work_struct *work)
1834 {
1835         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1836                                                update_beacon_wq.work);
1837         struct net_device *dev = priv->ieee80211->dev;
1838         struct ieee80211_device *ieee = priv->ieee80211;
1839         struct ieee80211_network *net = &ieee->current_network;
1840
1841         if (ieee->pHTInfo->bCurrentHTSupport)
1842                 HTUpdateSelfAndPeerSetting(ieee, net);
1843         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1844                 net->bssht.bdRT2RTLongSlotTime;
1845         rtl8192_update_cap(dev, net->capability);
1846 }
1847
1848 /*
1849  * background support to run QoS activate functionality
1850  */
1851 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1852                              EDCAPARA_VI, EDCAPARA_VO};
1853 static void rtl8192_qos_activate(struct work_struct *work)
1854 {
1855         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1856                                                qos_activate);
1857         struct net_device *dev = priv->ieee80211->dev;
1858         struct ieee80211_qos_parameters *qos_parameters =
1859                 &priv->ieee80211->current_network.qos_data.parameters;
1860         u8 mode = priv->ieee80211->current_network.mode;
1861         u32  u1bAIFS;
1862         u32 u4bAcParam;
1863         u32 op_limit;
1864         u32 cw_max;
1865         u32 cw_min;
1866         int i;
1867
1868         mutex_lock(&priv->mutex);
1869         if (priv->ieee80211->state != IEEE80211_LINKED)
1870                 goto success;
1871         RT_TRACE(COMP_QOS,
1872                  "qos active process with associate response received\n");
1873         /* It better set slot time at first
1874          *
1875          * For we just support b/g mode at present, let the slot time at
1876          * 9/20 selection
1877          *
1878          * update the ac parameter to related registers
1879          */
1880         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1881                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1882                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1883                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1884                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1885                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1886                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1887                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1888                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1889                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1890                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1891                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1892         }
1893
1894 success:
1895         mutex_unlock(&priv->mutex);
1896 }
1897
1898 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1899                                              int active_network,
1900                                              struct ieee80211_network *network)
1901 {
1902         int ret = 0;
1903         u32 size = sizeof(struct ieee80211_qos_parameters);
1904
1905         if (priv->ieee80211->state != IEEE80211_LINKED)
1906                 return ret;
1907
1908         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1909                 return ret;
1910
1911         if (network->flags & NETWORK_HAS_QOS_MASK) {
1912                 if (active_network &&
1913                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1914                         network->qos_data.active = network->qos_data.supported;
1915
1916                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1917                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1918                     (network->qos_data.old_param_count !=
1919                      network->qos_data.param_count)) {
1920                         network->qos_data.old_param_count =
1921                                 network->qos_data.param_count;
1922                         schedule_work(&priv->qos_activate);
1923                         RT_TRACE(COMP_QOS,
1924                                  "QoS parameters change call qos_activate\n");
1925                 }
1926         } else {
1927                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1928                        &def_qos_parameters, size);
1929
1930                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1931                         schedule_work(&priv->qos_activate);
1932                         RT_TRACE(COMP_QOS,
1933                                  "QoS was disabled call qos_activate\n");
1934                 }
1935                 network->qos_data.active = 0;
1936                 network->qos_data.supported = 0;
1937         }
1938
1939         return 0;
1940 }
1941
1942 /* handle and manage frame from beacon and probe response */
1943 static int rtl8192_handle_beacon(struct net_device *dev,
1944                                  struct ieee80211_beacon *beacon,
1945                                  struct ieee80211_network *network)
1946 {
1947         struct r8192_priv *priv = ieee80211_priv(dev);
1948
1949         rtl8192_qos_handle_probe_response(priv, 1, network);
1950         schedule_delayed_work(&priv->update_beacon_wq, 0);
1951         return 0;
1952 }
1953
1954 /*
1955  * handling the beaconing responses. if we get different QoS setting
1956  * off the network from the associated setting, adjust the QoS
1957  * setting
1958  */
1959 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1960                                         struct ieee80211_network *network)
1961 {
1962         unsigned long flags;
1963         u32 size = sizeof(struct ieee80211_qos_parameters);
1964         int set_qos_param = 0;
1965
1966         if (!priv || !network)
1967                 return 0;
1968
1969         if (priv->ieee80211->state != IEEE80211_LINKED)
1970                 return 0;
1971
1972         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1973                 return 0;
1974
1975         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1976         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1977                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1978                        &network->qos_data.parameters,
1979                        sizeof(struct ieee80211_qos_parameters));
1980                 priv->ieee80211->current_network.qos_data.active = 1;
1981                 set_qos_param = 1;
1982                 /* update qos parameter for current network */
1983                 priv->ieee80211->current_network.qos_data.old_param_count =
1984                         priv->ieee80211->current_network.qos_data.param_count;
1985                 priv->ieee80211->current_network.qos_data.param_count =
1986                         network->qos_data.param_count;
1987         } else {
1988                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1989                        &def_qos_parameters, size);
1990                 priv->ieee80211->current_network.qos_data.active = 0;
1991                 priv->ieee80211->current_network.qos_data.supported = 0;
1992                 set_qos_param = 1;
1993         }
1994
1995         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1996
1997         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1998                  network->flags,
1999                  priv->ieee80211->current_network.qos_data.active);
2000         if (set_qos_param == 1)
2001                 schedule_work(&priv->qos_activate);
2002
2003
2004         return 0;
2005 }
2006
2007
2008 static int rtl8192_handle_assoc_response(
2009                 struct net_device *dev,
2010                 struct ieee80211_assoc_response_frame *resp,
2011                 struct ieee80211_network *network)
2012 {
2013         struct r8192_priv *priv = ieee80211_priv(dev);
2014
2015         rtl8192_qos_association_resp(priv, network);
2016         return 0;
2017 }
2018
2019
2020 static void rtl8192_update_ratr_table(struct net_device *dev)
2021 {
2022         struct r8192_priv *priv = ieee80211_priv(dev);
2023         struct ieee80211_device *ieee = priv->ieee80211;
2024         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2025         u32 ratr_value = 0;
2026         u8 rate_index = 0;
2027
2028         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2029         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2030         switch (ieee->mode) {
2031         case IEEE_A:
2032                 ratr_value &= 0x00000FF0;
2033                 break;
2034         case IEEE_B:
2035                 ratr_value &= 0x0000000F;
2036                 break;
2037         case IEEE_G:
2038                 ratr_value &= 0x00000FF7;
2039                 break;
2040         case IEEE_N_24G:
2041         case IEEE_N_5G:
2042                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2043                         ratr_value &= 0x0007F007;
2044                 } else {
2045                         if (priv->rf_type == RF_1T2R)
2046                                 ratr_value &= 0x000FF007;
2047                         else
2048                                 ratr_value &= 0x0F81F007;
2049                 }
2050                 break;
2051         default:
2052                 break;
2053         }
2054         ratr_value &= 0x0FFFFFFF;
2055         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2056                 ratr_value |= 0x80000000;
2057         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2058                  ieee->pHTInfo->bCurShortGI20MHz)
2059                 ratr_value |= 0x80000000;
2060         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2061         write_nic_byte(dev, UFWP, 1);
2062 }
2063
2064 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2065 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2066 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2067 {
2068         struct r8192_priv *priv = ieee80211_priv(dev);
2069         struct ieee80211_device *ieee = priv->ieee80211;
2070         struct ieee80211_network *network = &ieee->current_network;
2071         int wpa_ie_len = ieee->wpa_ie_len;
2072         struct ieee80211_crypt_data *crypt;
2073         int encrypt;
2074
2075         crypt = ieee->crypt[ieee->tx_keyidx];
2076         /* we use connecting AP's capability instead of only security config
2077          * on our driver to distinguish whether it should use N mode or G mode
2078          */
2079         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2080                   (ieee->host_encrypt && crypt && crypt->ops &&
2081                    (strcmp(crypt->ops->name, "WEP") == 0));
2082
2083         /* simply judge  */
2084         if (encrypt && (wpa_ie_len == 0)) {
2085                 /* wep encryption, no N mode setting */
2086                 return false;
2087         } else if ((wpa_ie_len != 0)) {
2088                 /* parse pairwise key type */
2089                 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))))
2090                         return true;
2091                 else
2092                         return false;
2093         } else {
2094                 return true;
2095         }
2096
2097         return true;
2098 }
2099
2100 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2101 {
2102         struct r8192_priv *priv = ieee80211_priv(dev);
2103
2104         return priv->ieee80211->bHalfWirelessN24GMode;
2105 }
2106
2107 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2108 {
2109         struct ieee80211_device *ieee = priv->ieee80211;
2110         /* We do not consider set support rate for ABG mode, only
2111          * HT MCS rate is set here.
2112          */
2113         if (ieee->mode == WIRELESS_MODE_N_24G ||
2114             ieee->mode == WIRELESS_MODE_N_5G)
2115                 memcpy(ieee->Regdot11HTOperationalRateSet,
2116                        ieee->RegHTSuppRateSet, 16);
2117         else
2118                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2119 }
2120
2121 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2122 {
2123         struct r8192_priv *priv = ieee80211_priv(dev);
2124         u8 ret = 0;
2125
2126         switch (priv->rf_chip) {
2127         case RF_8225:
2128         case RF_8256:
2129         case RF_PSEUDO_11N:
2130                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2131                 break;
2132         case RF_8258:
2133                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2134                 break;
2135         default:
2136                 ret = WIRELESS_MODE_B;
2137                 break;
2138         }
2139         return ret;
2140 }
2141
2142 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2143 {
2144         struct r8192_priv *priv = ieee80211_priv(dev);
2145         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2146
2147         if (wireless_mode == WIRELESS_MODE_AUTO ||
2148             (wireless_mode & bSupportMode) == 0) {
2149                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2150                         wireless_mode = WIRELESS_MODE_N_24G;
2151                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2152                         wireless_mode = WIRELESS_MODE_N_5G;
2153                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2154                         wireless_mode = WIRELESS_MODE_A;
2155                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2156                         wireless_mode = WIRELESS_MODE_G;
2157                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2158                         wireless_mode = WIRELESS_MODE_B;
2159                 } else {
2160                         RT_TRACE(COMP_ERR,
2161                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2162                                  __func__, bSupportMode);
2163                         wireless_mode = WIRELESS_MODE_B;
2164                 }
2165         }
2166 #ifdef TO_DO_LIST
2167         /* TODO: this function doesn't work well at this time,
2168          * we should wait for FPGA
2169          */
2170         ActUpdateChannelAccessSetting(
2171                         pAdapter, pHalData->CurrentWirelessMode,
2172                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2173 #endif
2174         priv->ieee80211->mode = wireless_mode;
2175
2176         if (wireless_mode == WIRELESS_MODE_N_24G ||
2177             wireless_mode == WIRELESS_MODE_N_5G)
2178                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2179         else
2180                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2181         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2182         rtl8192_refresh_supportrate(priv);
2183 }
2184
2185 /* init priv variables here. only non_zero value should be initialized here. */
2186 static void rtl8192_init_priv_variable(struct net_device *dev)
2187 {
2188         struct r8192_priv *priv = ieee80211_priv(dev);
2189         u8 i;
2190
2191         priv->card_8192 = NIC_8192U;
2192         priv->chan = 1; /* set to channel 1 */
2193         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2194         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2195         priv->ieee80211->ieee_up = 0;
2196         priv->retry_rts = DEFAULT_RETRY_RTS;
2197         priv->retry_data = DEFAULT_RETRY_DATA;
2198         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2199         priv->ieee80211->rate = 110; /* 11 mbps */
2200         priv->ieee80211->short_slot = 1;
2201         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2202         priv->CckPwEnl = 6;
2203         /* for silent reset */
2204         priv->IrpPendingCount = 1;
2205         priv->ResetProgress = RESET_TYPE_NORESET;
2206         priv->bForcedSilentReset = false;
2207         priv->bDisableNormalResetCheck = false;
2208         priv->force_reset = false;
2209
2210         /* we don't use FW read/write RF until stable firmware is available. */
2211         priv->ieee80211->FwRWRF = 0;
2212         priv->ieee80211->current_network.beacon_interval =
2213                 DEFAULT_BEACONINTERVAL;
2214         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2215                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2216                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2217                 IEEE_SOFTMAC_BEACONS;
2218
2219         priv->ieee80211->active_scan = 1;
2220         priv->ieee80211->modulation =
2221                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2222         priv->ieee80211->host_encrypt = 1;
2223         priv->ieee80211->host_decrypt = 1;
2224         priv->ieee80211->start_send_beacons = NULL;
2225         priv->ieee80211->stop_send_beacons = NULL;
2226         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2227         priv->ieee80211->set_chan = rtl8192_set_chan;
2228         priv->ieee80211->link_change = rtl8192_link_change;
2229         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2230         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2231         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2232         priv->ieee80211->init_wmmparam_flag = 0;
2233         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2234         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2235         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2236         priv->ieee80211->qos_support = 1;
2237
2238         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2239         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2240         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2241
2242         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2243         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2244                 GetHalfNmodeSupportByAPs819xUsb;
2245         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2246
2247         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2248         priv->card_type = USB;
2249 #ifdef TO_DO_LIST
2250         if (Adapter->bInHctTest) {
2251                 pHalData->ShortRetryLimit = 7;
2252                 pHalData->LongRetryLimit = 7;
2253         }
2254 #endif
2255         priv->ShortRetryLimit = 0x30;
2256         priv->LongRetryLimit = 0x30;
2257         priv->EarlyRxThreshold = 7;
2258         priv->enable_gpio0 = 0;
2259         priv->TransmitConfig =
2260                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2261                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2262                 /* Short retry limit */
2263                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2264                 /* Long retry limit */
2265                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2266                 /* FALSE: HW provides PLCP length and LENGEXT
2267                  * TRUE: SW provides them
2268                  */
2269                 (false ? TCR_SAT : 0);
2270 #ifdef TO_DO_LIST
2271         if (Adapter->bInHctTest)
2272                 pHalData->ReceiveConfig =
2273                         pHalData->CSMethod |
2274                         /* accept management/data */
2275                         RCR_AMF | RCR_ADF |
2276                         /* accept control frame for SW
2277                          * AP needs PS-poll
2278                          */
2279                         RCR_ACF |
2280                         /* accept BC/MC/UC */
2281                         RCR_AB | RCR_AM | RCR_APM |
2282                         /* accept ICV/CRC error
2283                          * packet
2284                          */
2285                         RCR_AICV | RCR_ACRC32 |
2286                         /* Max DMA Burst Size per Tx
2287                          * DMA Burst, 7: unlimited.
2288                          */
2289                         ((u32)7 << RCR_MXDMA_OFFSET) |
2290                         /* Rx FIFO Threshold,
2291                          * 7: No Rx threshold.
2292                          */
2293                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2294                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2295         else
2296
2297 #endif
2298         priv->ReceiveConfig     =
2299                 /* accept management/data */
2300                 RCR_AMF | RCR_ADF |
2301                 /* accept control frame for SW AP needs PS-poll */
2302                 RCR_ACF |
2303                 /* accept BC/MC/UC */
2304                 RCR_AB | RCR_AM | RCR_APM |
2305                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2306                 ((u32)7 << RCR_MXDMA_OFFSET) |
2307                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2308                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2309                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2310
2311         priv->AcmControl = 0;
2312         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2313
2314         /* rx related queue */
2315         skb_queue_head_init(&priv->rx_queue);
2316         skb_queue_head_init(&priv->skb_queue);
2317
2318         /* Tx related queue */
2319         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2320                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2321         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2322                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2323         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2324                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2325         priv->rf_set_chan = rtl8192_phy_SwChnl;
2326 }
2327
2328 /* init lock here */
2329 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2330 {
2331         spin_lock_init(&priv->tx_lock);
2332         spin_lock_init(&priv->irq_lock);
2333         mutex_init(&priv->wx_mutex);
2334         mutex_init(&priv->mutex);
2335 }
2336
2337 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2338
2339 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2340 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2341 #define DRV_NAME "wlan0"
2342 static void rtl8192_init_priv_task(struct net_device *dev)
2343 {
2344         struct r8192_priv *priv = ieee80211_priv(dev);
2345
2346
2347         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2348
2349         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2350                           rtl819x_watchdog_wqcallback);
2351         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2352                           dm_txpower_trackingcallback);
2353         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2354                           dm_rf_pathcheck_workitemcallback);
2355         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2356                           rtl8192_update_beacon);
2357         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2358                           InitialGainOperateWorkItemCallBack);
2359         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2360
2361         tasklet_init(&priv->irq_rx_tasklet,
2362                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2363                      (unsigned long)priv);
2364 }
2365
2366 static void rtl8192_get_eeprom_size(struct net_device *dev)
2367 {
2368         u16 curCR = 0;
2369         struct r8192_priv *priv = ieee80211_priv(dev);
2370
2371         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2372         read_nic_word_E(dev, EPROM_CMD, &curCR);
2373         RT_TRACE(COMP_EPROM,
2374                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2375         /* whether need I consider BIT(5?) */
2376         priv->epromtype =
2377                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2378         RT_TRACE(COMP_EPROM,
2379                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2380 }
2381
2382 /* used to swap endian. as ntohl & htonl are not necessary
2383  * to swap endian, so use this instead.
2384  */
2385 static inline u16 endian_swap(u16 *data)
2386 {
2387         u16 tmp = *data;
2388         *data = (tmp >> 8) | (tmp << 8);
2389         return *data;
2390 }
2391
2392 static int rtl8192_read_eeprom_info(struct net_device *dev)
2393 {
2394         u16 wEPROM_ID = 0;
2395         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2396         u8 bLoad_From_EEPOM = false;
2397         struct r8192_priv *priv = ieee80211_priv(dev);
2398         u16 tmpValue = 0;
2399         int i;
2400         int ret;
2401
2402         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2403         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2404         if (ret < 0)
2405                 return ret;
2406         wEPROM_ID = (u16)ret;
2407         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2408
2409         if (wEPROM_ID != RTL8190_EEPROM_ID)
2410                 RT_TRACE(COMP_ERR,
2411                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2412                          wEPROM_ID, RTL8190_EEPROM_ID);
2413         else
2414                 bLoad_From_EEPOM = true;
2415
2416         if (bLoad_From_EEPOM) {
2417                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2418                 ret = eprom_read(dev, EEPROM_VID >> 1);
2419                 if (ret < 0)
2420                         return ret;
2421                 tmpValue = (u16)ret;
2422                 priv->eeprom_vid = endian_swap(&tmpValue);
2423                 ret = eprom_read(dev, EEPROM_PID >> 1);
2424                 if (ret < 0)
2425                         return ret;
2426                 priv->eeprom_pid = (u16)ret;
2427                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2428                 if (ret < 0)
2429                         return ret;
2430                 tmpValue = (u16)ret;
2431                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2432                 priv->btxpowerdata_readfromEEPORM = true;
2433                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2434                 if (ret < 0)
2435                         return ret;
2436                 priv->eeprom_CustomerID = (u16)ret;
2437         } else {
2438                 priv->eeprom_vid = 0;
2439                 priv->eeprom_pid = 0;
2440                 priv->card_8192_version = VERSION_819xU_B;
2441                 priv->eeprom_ChannelPlan = 0;
2442                 priv->eeprom_CustomerID = 0;
2443         }
2444         RT_TRACE(COMP_EPROM,
2445                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2446                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2447                  priv->eeprom_ChannelPlan);
2448         /* set channelplan from eeprom */
2449         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2450         if (bLoad_From_EEPOM) {
2451                 int i;
2452
2453                 for (i = 0; i < 6; i += 2) {
2454                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2455                         if (ret < 0)
2456                                 return ret;
2457                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2458                 }
2459         } else {
2460                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2461                 /* should I set IDR0 here? */
2462         }
2463         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2464         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2465         priv->rf_chip = RF_8256;
2466
2467         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2468                 /* read Tx power gain offset of legacy OFDM to HT rate */
2469                 if (bLoad_From_EEPOM) {
2470                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2471                         if (ret < 0)
2472                                 return ret;
2473                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2474                 } else
2475                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2476                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2477                 /* read ThermalMeter from EEPROM */
2478                 if (bLoad_From_EEPOM) {
2479                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2480                         if (ret < 0)
2481                                 return ret;
2482                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2483                 } else
2484                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2485                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2486                 /* for tx power track */
2487                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2488                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2489                 if (bLoad_From_EEPOM) {
2490                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2491                         if (ret < 0)
2492                                 return ret;
2493                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2494                 } else
2495                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2496                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2497                 /* Read CrystalCap from EEPROM */
2498                 if (bLoad_From_EEPOM) {
2499                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2500                         if (ret < 0)
2501                                 return ret;
2502                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2503                 } else
2504                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2505                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2506                 /* get per-channel Tx power level */
2507                 if (bLoad_From_EEPOM) {
2508                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2509                         if (ret < 0)
2510                                 return ret;
2511                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2512                 } else
2513                         priv->EEPROM_Def_Ver = 1;
2514                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2515                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2516                         int i;
2517
2518                         if (bLoad_From_EEPOM) {
2519                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2520                                 if (ret < 0)
2521                                         return ret;
2522                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
2523                         } else
2524                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2525                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2526                         for (i = 0; i < 3; i++) {
2527                                 if (bLoad_From_EEPOM) {
2528                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2529                                         if (ret < 0)
2530                                                 return ret;
2531                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2532                                                 tmpValue = (u16)ret & 0x00ff;
2533                                         else
2534                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2535                                 } else {
2536                                         tmpValue = 0x10;
2537                                 }
2538                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2539                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2540                         }
2541                 } else if (priv->EEPROM_Def_Ver == 1) {
2542                         if (bLoad_From_EEPOM) {
2543                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2544                                 if (ret < 0)
2545                                         return ret;
2546                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2547                         } else {
2548                                 tmpValue = 0x10;
2549                         }
2550                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2551
2552                         if (bLoad_From_EEPOM) {
2553                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2554                                 if (ret < 0)
2555                                         return ret;
2556                                 tmpValue = (u16)ret;
2557                         } else
2558                                 tmpValue = 0x1010;
2559                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2560                         if (bLoad_From_EEPOM)
2561                                 tmpValue = eprom_read(dev,
2562                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2563                         else
2564                                 tmpValue = 0x1010;
2565                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2566                         if (bLoad_From_EEPOM)
2567                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2568                         else
2569                                 tmpValue = 0x10;
2570                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2571                 } /* endif EEPROM_Def_Ver == 1 */
2572
2573                 /* update HAL variables */
2574                 for (i = 0; i < 14; i++) {
2575                         if (i <= 3)
2576                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2577                         else if (i >= 4 && i <= 9)
2578                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2579                         else
2580                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2581                 }
2582
2583                 for (i = 0; i < 14; i++) {
2584                         if (priv->EEPROM_Def_Ver == 0) {
2585                                 if (i <= 3)
2586                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2587                                 else if (i >= 4 && i <= 9)
2588                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2589                                 else
2590                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2591                         } else if (priv->EEPROM_Def_Ver == 1) {
2592                                 if (i <= 3)
2593                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2594                                 else if (i >= 4 && i <= 9)
2595                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2596                                 else
2597                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2598                         }
2599                 }
2600                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2601                 /* Antenna B gain offset to antenna A, bit0~3 */
2602                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2603                 /* Antenna C gain offset to antenna A, bit4~7 */
2604                 priv->AntennaTxPwDiff[1] =
2605                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2606                 /* CrystalCap, bit12~15 */
2607                 priv->CrystalCap = priv->EEPROMCrystalCap;
2608                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2609                  * 92U does not enable TX power tracking.
2610                  */
2611                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2612         } /* end if VersionID == VERSION_819xU_A */
2613
2614         /* for dlink led */
2615         switch (priv->eeprom_CustomerID) {
2616         case EEPROM_CID_RUNTOP:
2617                 priv->CustomerID = RT_CID_819x_RUNTOP;
2618                 break;
2619
2620         case EEPROM_CID_DLINK:
2621                 priv->CustomerID = RT_CID_DLINK;
2622                 break;
2623
2624         default:
2625                 priv->CustomerID = RT_CID_DEFAULT;
2626                 break;
2627         }
2628
2629         switch (priv->CustomerID) {
2630         case RT_CID_819x_RUNTOP:
2631                 priv->LedStrategy = SW_LED_MODE2;
2632                 break;
2633
2634         case RT_CID_DLINK:
2635                 priv->LedStrategy = SW_LED_MODE4;
2636                 break;
2637
2638         default:
2639                 priv->LedStrategy = SW_LED_MODE0;
2640                 break;
2641         }
2642
2643
2644         if (priv->rf_type == RF_1T2R)
2645                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2646         else
2647                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2648
2649         /* We can only know RF type in the function. So we have to init
2650          * DIG RATR table again.
2651          */
2652         init_rate_adaptive(dev);
2653
2654         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2655
2656         return 0;
2657 }
2658
2659 static short rtl8192_get_channel_map(struct net_device *dev)
2660 {
2661         struct r8192_priv *priv = ieee80211_priv(dev);
2662
2663         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2664                 netdev_err(dev,
2665                            "rtl8180_init: Error channel plan! Set to default.\n");
2666                 priv->ChannelPlan = 0;
2667         }
2668         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2669
2670         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2671         return 0;
2672 }
2673
2674 static short rtl8192_init(struct net_device *dev)
2675 {
2676         struct r8192_priv *priv = ieee80211_priv(dev);
2677         int err;
2678
2679         memset(&(priv->stats), 0, sizeof(struct Stats));
2680         memset(priv->txqueue_to_outpipemap, 0, 9);
2681 #ifdef PIPE12
2682         {
2683                 int i = 0;
2684                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2685
2686                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2687         }
2688 #else
2689         {
2690                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2691
2692                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2693         }
2694 #endif
2695         rtl8192_init_priv_variable(dev);
2696         rtl8192_init_priv_lock(priv);
2697         rtl8192_init_priv_task(dev);
2698         rtl8192_get_eeprom_size(dev);
2699         err = rtl8192_read_eeprom_info(dev);
2700         if (err) {
2701                 DMESG("Reading EEPROM info failed");
2702                 kfree(priv->pFirmware);
2703                 priv->pFirmware = NULL;
2704                 free_ieee80211(dev);
2705                 return err;
2706         }
2707         rtl8192_get_channel_map(dev);
2708         init_hal_dm(dev);
2709         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2710                     (unsigned long)dev);
2711         if (rtl8192_usb_initendpoints(dev) != 0) {
2712                 DMESG("Endopoints initialization failed");
2713                 return -ENOMEM;
2714         }
2715
2716         return 0;
2717 }
2718
2719 /******************************************************************************
2720  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2721  *           not to do all the hw config as its name says
2722  *   input:  net_device dev
2723  *  output:  none
2724  *  return:  none
2725  *  notice:  This part need to modified according to the rate set we filtered
2726  * ****************************************************************************/
2727 static void rtl8192_hwconfig(struct net_device *dev)
2728 {
2729         u32 regRATR = 0, regRRSR = 0;
2730         u8 regBwOpMode = 0, regTmp = 0;
2731         struct r8192_priv *priv = ieee80211_priv(dev);
2732         u32 ratr_value = 0;
2733
2734         /* Set RRSR, RATR, and BW_OPMODE registers */
2735         switch (priv->ieee80211->mode) {
2736         case WIRELESS_MODE_B:
2737                 regBwOpMode = BW_OPMODE_20MHZ;
2738                 regRATR = RATE_ALL_CCK;
2739                 regRRSR = RATE_ALL_CCK;
2740                 break;
2741         case WIRELESS_MODE_A:
2742                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2743                 regRATR = RATE_ALL_OFDM_AG;
2744                 regRRSR = RATE_ALL_OFDM_AG;
2745                 break;
2746         case WIRELESS_MODE_G:
2747                 regBwOpMode = BW_OPMODE_20MHZ;
2748                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2749                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750                 break;
2751         case WIRELESS_MODE_AUTO:
2752 #ifdef TO_DO_LIST
2753                 if (Adapter->bInHctTest) {
2754                         regBwOpMode = BW_OPMODE_20MHZ;
2755                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2756                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2757                 } else
2758 #endif
2759                 {
2760                         regBwOpMode = BW_OPMODE_20MHZ;
2761                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2762                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2763                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2764                 }
2765                 break;
2766         case WIRELESS_MODE_N_24G:
2767                 /* It support CCK rate by default. CCK rate will be filtered
2768                  * out only when associated AP does not support it.
2769                  */
2770                 regBwOpMode = BW_OPMODE_20MHZ;
2771                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2772                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2773                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2774                 break;
2775         case WIRELESS_MODE_N_5G:
2776                 regBwOpMode = BW_OPMODE_5G;
2777                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2778                           RATE_ALL_OFDM_2SS;
2779                 regRRSR = RATE_ALL_OFDM_AG;
2780                 break;
2781         }
2782
2783         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2784         ratr_value = regRATR;
2785         if (priv->rf_type == RF_1T2R)
2786                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2787         write_nic_dword(dev, RATR0, ratr_value);
2788         write_nic_byte(dev, UFWP, 1);
2789         read_nic_byte(dev, 0x313, &regTmp);
2790         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2791         write_nic_dword(dev, RRSR, regRRSR);
2792
2793         /* Set Retry Limit here */
2794         write_nic_word(dev, RETRY_LIMIT,
2795                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2796                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2797         /* Set Contention Window here */
2798
2799         /* Set Tx AGC */
2800
2801         /* Set Tx Antenna including Feedback control */
2802
2803         /* Set Auto Rate fallback control */
2804 }
2805
2806
2807 /* InitializeAdapter and PhyCfg */
2808 static bool rtl8192_adapter_start(struct net_device *dev)
2809 {
2810         struct r8192_priv *priv = ieee80211_priv(dev);
2811         u32 dwRegRead = 0;
2812         bool init_status = true;
2813         u8 SECR_value = 0x0;
2814         u8 tmp;
2815
2816         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2817         priv->Rf_Mode = RF_OP_By_SW_3wire;
2818         /* for ASIC power on sequence */
2819         write_nic_byte_E(dev, 0x5f, 0x80);
2820         mdelay(50);
2821         write_nic_byte_E(dev, 0x5f, 0xf0);
2822         write_nic_byte_E(dev, 0x5d, 0x00);
2823         write_nic_byte_E(dev, 0x5e, 0x80);
2824         write_nic_byte(dev, 0x17, 0x37);
2825         mdelay(10);
2826         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2827         /* config CPUReset Register */
2828         /* Firmware Reset or not? */
2829         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2830         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2831                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2832         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2833                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2834         else
2835                 RT_TRACE(COMP_ERR,
2836                          "ERROR in %s(): undefined firmware state(%d)\n",
2837                          __func__,   priv->pFirmware->firmware_status);
2838
2839         write_nic_dword(dev, CPU_GEN, dwRegRead);
2840         /* config BB. */
2841         rtl8192_BBConfig(dev);
2842
2843         /* Loopback mode or not */
2844         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2845
2846         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2847         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2848                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2849                             CPU_GEN_NO_LOOPBACK_SET;
2850         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2851                 dwRegRead |= CPU_CCK_LOOPBACK;
2852         else
2853                 RT_TRACE(COMP_ERR,
2854                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2855                          __func__,  priv->LoopbackMode);
2856
2857         write_nic_dword(dev, CPU_GEN, dwRegRead);
2858
2859         /* after reset cpu, we need wait for a seconds to write in register. */
2860         udelay(500);
2861
2862         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2863         read_nic_byte_E(dev, 0x5f, &tmp);
2864         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2865
2866         /* Set Hardware */
2867         rtl8192_hwconfig(dev);
2868
2869         /* turn on Tx/Rx */
2870         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2871
2872         /* set IDR0 here */
2873         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2874         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2875
2876         /* set RCR */
2877         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2878
2879         /* Initialize Number of Reserved Pages in Firmware Queue */
2880         write_nic_dword(dev, RQPN1,
2881                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2882                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2883                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2884                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2885         write_nic_dword(dev, RQPN2,
2886                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2887                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2888         write_nic_dword(dev, RQPN3,
2889                 APPLIED_RESERVED_QUEUE_IN_FW |
2890                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2891         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2892
2893         /* Set AckTimeout */
2894         /* TODO: (it value is only for FPGA version). need to be changed!! */
2895         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2896
2897         if (priv->ResetProgress == RESET_TYPE_NORESET)
2898                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2899         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2900                 CamResetAllEntry(dev);
2901                 SECR_value |= SCR_TxEncEnable;
2902                 SECR_value |= SCR_RxDecEnable;
2903                 SECR_value |= SCR_NoSKMC;
2904                 write_nic_byte(dev, SECR, SECR_value);
2905         }
2906
2907         /* Beacon related */
2908         write_nic_word(dev, ATIMWND, 2);
2909         write_nic_word(dev, BCN_INTERVAL, 100);
2910
2911 #define DEFAULT_EDCA 0x005e4332
2912         {
2913                 int i;
2914
2915                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2916                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2917         }
2918
2919         rtl8192_phy_configmac(dev);
2920
2921         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2922                 rtl8192_phy_getTxPower(dev);
2923                 rtl8192_phy_setTxPower(dev, priv->chan);
2924         }
2925
2926         /* Firmware download */
2927         init_status = init_firmware(dev);
2928         if (!init_status) {
2929                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2930                          __func__);
2931                 return init_status;
2932         }
2933         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2934
2935 #ifdef TO_DO_LIST
2936         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2937                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2938                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2939                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2940                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2941                         /* Those actions will be discard in MgntActSet_RF_State
2942                          * because of the same state
2943                          */
2944                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2945                                 PHY_SetRFReg(Adapter,
2946                                              (RF90_RADIO_PATH_E)eRFPath,
2947                                              0x4, 0xC00, 0x0);
2948                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2949                         /* H/W or S/W RF OFF before sleep. */
2950                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2951                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2952                                   pMgntInfo->RfOffReason));
2953                         MgntActSet_RF_State(Adapter,
2954                                             eRfOff,
2955                                             pMgntInfo->RfOffReason);
2956                 } else {
2957                         pHalData->eRFPowerState = eRfOn;
2958                         pMgntInfo->RfOffReason = 0;
2959                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2960                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2961                 }
2962         } else {
2963                 if (pHalData->eRFPowerState == eRfOff) {
2964                         MgntActSet_RF_State(Adapter,
2965                                             eRfOff,
2966                                             pMgntInfo->RfOffReason);
2967                         /* Those actions will be discard in MgntActSet_RF_State
2968                          * because of the same state
2969                          */
2970                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2971                                 PHY_SetRFReg(Adapter,
2972                                              (RF90_RADIO_PATH_E)eRFPath,
2973                                              0x4, 0xC00, 0x0);
2974                 }
2975         }
2976 #endif
2977         /* config RF. */
2978         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2979                 rtl8192_phy_RFConfig(dev);
2980                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2981         }
2982
2983
2984         if (priv->ieee80211->FwRWRF)
2985                 /* We can force firmware to do RF-R/W */
2986                 priv->Rf_Mode = RF_OP_By_FW;
2987         else
2988                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2989
2990
2991         rtl8192_phy_updateInitGain(dev);
2992         /*--set CCK and OFDM Block "ON"--*/
2993         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2994         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2995
2996         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2997                 /* if D or C cut */
2998                 u8 tmpvalue;
2999
3000                 read_nic_byte(dev, 0x301, &tmpvalue);
3001                 if (tmpvalue == 0x03) {
3002                         priv->bDcut = true;
3003                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
3004                 } else {
3005                         priv->bDcut = false;
3006                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3007                 }
3008                 dm_initialize_txpower_tracking(dev);
3009
3010                 if (priv->bDcut) {
3011                         u32 i, TempCCk;
3012                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3013                                                          rOFDM0_XATxIQImbalance,
3014                                                          bMaskDWord);
3015
3016                         for (i = 0; i < TxBBGainTableLength; i++) {
3017                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3018                                         priv->rfa_txpowertrackingindex = (u8)i;
3019                                         priv->rfa_txpowertrackingindex_real =
3020                                                 (u8)i;
3021                                         priv->rfa_txpowertracking_default =
3022                                                 priv->rfa_txpowertrackingindex;
3023                                         break;
3024                                 }
3025                         }
3026
3027                         TempCCk = rtl8192_QueryBBReg(dev,
3028                                                      rCCK0_TxFilter1,
3029                                                      bMaskByte2);
3030
3031                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3032                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3033                                         priv->cck_present_attenuation_20Mdefault = (u8)i;
3034                                         break;
3035                                 }
3036                         }
3037                         priv->cck_present_attenuation_40Mdefault = 0;
3038                         priv->cck_present_attenuation_difference = 0;
3039                         priv->cck_present_attenuation =
3040                                 priv->cck_present_attenuation_20Mdefault;
3041                 }
3042         }
3043         write_nic_byte(dev, 0x87, 0x0);
3044
3045
3046         return init_status;
3047 }
3048
3049 /* this configures registers for beacon tx and enables it via
3050  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3051  * be used to stop beacon transmission
3052  */
3053 /***************************************************************************
3054  *   -------------------------------NET STUFF---------------------------
3055  ***************************************************************************/
3056
3057 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3058 {
3059         struct r8192_priv *priv = ieee80211_priv(dev);
3060
3061         return &priv->ieee80211->stats;
3062 }
3063
3064 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3065 {
3066         struct r8192_priv *priv = ieee80211_priv(dev);
3067         u16             RegTxCounter;
3068         bool            bStuck = false;
3069
3070         read_nic_word(dev, 0x128, &RegTxCounter);
3071         RT_TRACE(COMP_RESET,
3072                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3073                  RegTxCounter, priv->TxCounter);
3074         if (priv->TxCounter == RegTxCounter)
3075                 bStuck = true;
3076
3077         priv->TxCounter = RegTxCounter;
3078
3079         return bStuck;
3080 }
3081
3082 /*
3083  *      <Assumption: RT_TX_SPINLOCK is acquired.>
3084  *      First added: 2006.11.19 by emily
3085  */
3086 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3087 {
3088         struct r8192_priv *priv = ieee80211_priv(dev);
3089         u8                      QueueID;
3090         bool                    bCheckFwTxCnt = false;
3091
3092         /* Decide such threshold according to current power save mode */
3093
3094         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3095                 if (QueueID == TXCMD_QUEUE)
3096                         continue;
3097                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3098                         continue;
3099
3100                 bCheckFwTxCnt = true;
3101         }
3102         if (bCheckFwTxCnt) {
3103                 if (HalTxCheckStuck819xUsb(dev)) {
3104                         RT_TRACE(COMP_RESET,
3105                                  "%s: Fw indicates no Tx condition!\n",
3106                                  __func__);
3107                         return RESET_TYPE_SILENT;
3108                 }
3109         }
3110         return RESET_TYPE_NORESET;
3111 }
3112
3113 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3114 {
3115         u16     RegRxCounter;
3116         struct r8192_priv *priv = ieee80211_priv(dev);
3117         bool bStuck = false;
3118         static u8       rx_chk_cnt;
3119
3120         read_nic_word(dev, 0x130, &RegRxCounter);
3121         RT_TRACE(COMP_RESET,
3122                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3123                  RegRxCounter, priv->RxCounter);
3124         /* If rssi is small, we should check rx for long time because of bad rx.
3125          * or maybe it will continuous silent reset every 2 seconds.
3126          */
3127         rx_chk_cnt++;
3128         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3129                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3130         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3131                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3132                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3133                 if (rx_chk_cnt < 2)
3134                         return bStuck;
3135
3136                 rx_chk_cnt = 0;
3137         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3138                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3139                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3140                 if (rx_chk_cnt < 4)
3141                         return bStuck;
3142
3143                 rx_chk_cnt = 0;
3144         } else {
3145                 if (rx_chk_cnt < 8)
3146                         return bStuck;
3147
3148                 rx_chk_cnt = 0;
3149         }
3150
3151         if (priv->RxCounter == RegRxCounter)
3152                 bStuck = true;
3153
3154         priv->RxCounter = RegRxCounter;
3155
3156         return bStuck;
3157 }
3158
3159 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3160 {
3161         struct r8192_priv *priv = ieee80211_priv(dev);
3162         bool        bRxCheck = false;
3163
3164         if (priv->IrpPendingCount > 1)
3165                 bRxCheck = true;
3166
3167         if (bRxCheck) {
3168                 if (HalRxCheckStuck819xUsb(dev)) {
3169                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3170                         return RESET_TYPE_SILENT;
3171                 }
3172         }
3173         return RESET_TYPE_NORESET;
3174 }
3175
3176
3177 /**
3178  * This function is called by Checkforhang to check whether we should
3179  * ask OS to reset driver
3180  *
3181  * \param pAdapter      The adapter context for this miniport
3182  *
3183  * Note:NIC with USB interface sholud not call this function because we
3184  * cannot scan descriptor to judge whether there is tx stuck.
3185  * Note: This function may be required to be rewrite for Vista OS.
3186  * <<<Assumption: Tx spinlock has been acquired >>>
3187  *
3188  * 8185 and 8185b does not implement this function.
3189  */
3190 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3191 {
3192         struct r8192_priv *priv = ieee80211_priv(dev);
3193         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3194         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3195         RT_RF_POWER_STATE       rfState;
3196
3197         rfState = priv->ieee80211->eRFPowerState;
3198
3199         TxResetType = TxCheckStuck(dev);
3200         if (rfState != eRfOff ||
3201             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3202                 /* If driver is in the status of firmware download failure,
3203                  * driver skips RF initialization and RF is in turned off
3204                  * state. Driver should check whether Rx stuck and do silent
3205                  * reset. And if driver is in firmware download failure status,
3206                  * driver should initialize RF in the following silent reset
3207                  * procedure
3208                  *
3209                  * Driver should not check RX stuck in IBSS mode because it is
3210                  * required to set Check BSSID in order to send beacon,
3211                  * however, if check BSSID is set, STA cannot hear any packet
3212                  * at all.
3213                  */
3214                 RxResetType = RxCheckStuck(dev);
3215         }
3216         if (TxResetType == RESET_TYPE_NORMAL ||
3217             RxResetType == RESET_TYPE_NORMAL) {
3218                 return RESET_TYPE_NORMAL;
3219         } else if (TxResetType == RESET_TYPE_SILENT ||
3220                    RxResetType == RESET_TYPE_SILENT) {
3221                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3222                 return RESET_TYPE_SILENT;
3223         } else {
3224                 return RESET_TYPE_NORESET;
3225         }
3226 }
3227
3228 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3229 static int _rtl8192_up(struct net_device *dev);
3230 static int rtl8192_close(struct net_device *dev);
3231
3232
3233
3234 static void CamRestoreAllEntry(struct net_device *dev)
3235 {
3236         u8 EntryId = 0;
3237         struct r8192_priv *priv = ieee80211_priv(dev);
3238         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3239
3240         static u8       CAM_CONST_ADDR[4][6] = {
3241                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3242                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3243                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3244                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3245         static u8       CAM_CONST_BROAD[] = {
3246                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3247
3248         RT_TRACE(COMP_SEC, "%s:\n", __func__);
3249
3250
3251         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3252             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3253                 for (EntryId = 0; EntryId < 4; EntryId++) {
3254                         MacAddr = CAM_CONST_ADDR[EntryId];
3255                         setKey(dev, EntryId, EntryId,
3256                                priv->ieee80211->pairwise_key_type,
3257                                MacAddr, 0, NULL);
3258                 }
3259
3260         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3261                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3262                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3263                                (u8 *)dev->dev_addr, 0, NULL);
3264                 else
3265                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3266                                MacAddr, 0, NULL);
3267         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3268                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3269                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3270                                (u8 *)dev->dev_addr, 0, NULL);
3271                 else
3272                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3273                                MacAddr, 0, NULL);
3274         }
3275
3276
3277
3278         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3279                 MacAddr = CAM_CONST_BROAD;
3280                 for (EntryId = 1; EntryId < 4; EntryId++) {
3281                         setKey(dev, EntryId, EntryId,
3282                                priv->ieee80211->group_key_type,
3283                                MacAddr, 0, NULL);
3284                 }
3285                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3286                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3287                                CAM_CONST_ADDR[0], 0, NULL);
3288         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3289                 MacAddr = CAM_CONST_BROAD;
3290                 for (EntryId = 1; EntryId < 4; EntryId++) {
3291                         setKey(dev, EntryId, EntryId,
3292                                priv->ieee80211->group_key_type,
3293                                MacAddr, 0, NULL);
3294                 }
3295
3296                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3297                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3298                                CAM_CONST_ADDR[0], 0, NULL);
3299         }
3300 }
3301
3302 /* This function is used to fix Tx/Rx stop bug temporarily.
3303  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3304  * The method checking Tx/Rx stuck of this function is supported by FW,
3305  * which reports Tx and Rx counter to register 0x128 and 0x130.
3306  */
3307 static void rtl819x_ifsilentreset(struct net_device *dev)
3308 {
3309         struct r8192_priv *priv = ieee80211_priv(dev);
3310         u8      reset_times = 0;
3311         int reset_status = 0;
3312         struct ieee80211_device *ieee = priv->ieee80211;
3313
3314
3315         /* If we need to check CCK stop, please uncomment this line. */
3316         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3317
3318         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3319 RESET_START:
3320
3321                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3322
3323                 /* Set the variable for reset. */
3324                 priv->ResetProgress = RESET_TYPE_SILENT;
3325                 mutex_lock(&priv->wx_mutex);
3326                 if (priv->up == 0) {
3327                         RT_TRACE(COMP_ERR,
3328                                  "%s():the driver is not up! return\n",
3329                                  __func__);
3330                         mutex_unlock(&priv->wx_mutex);
3331                         return;
3332                 }
3333                 priv->up = 0;
3334                 RT_TRACE(COMP_RESET,
3335                          "%s():======>start to down the driver\n",
3336                          __func__);
3337
3338                 rtl8192_rtx_disable(dev);
3339                 rtl8192_cancel_deferred_work(priv);
3340                 deinit_hal_dm(dev);
3341                 del_timer_sync(&priv->watch_dog_timer);
3342
3343                 ieee->sync_scan_hurryup = 1;
3344                 if (ieee->state == IEEE80211_LINKED) {
3345                         mutex_lock(&ieee->wx_mutex);
3346                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3347                         ieee80211_stop_send_beacons(priv->ieee80211);
3348                         del_timer_sync(&ieee->associate_timer);
3349                         cancel_delayed_work(&ieee->associate_retry_wq);
3350                         ieee80211_stop_scan(ieee);
3351                         netif_carrier_off(dev);
3352                         mutex_unlock(&ieee->wx_mutex);
3353                 } else {
3354                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3355                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3356                 }
3357                 mutex_unlock(&priv->wx_mutex);
3358                 RT_TRACE(COMP_RESET,
3359                          "%s():<==========down process is finished\n",
3360                          __func__);
3361                 RT_TRACE(COMP_RESET,
3362                          "%s():===========>start up the driver\n",
3363                          __func__);
3364                 reset_status = _rtl8192_up(dev);
3365
3366                 RT_TRACE(COMP_RESET,
3367                          "%s():<===========up process is finished\n",
3368                          __func__);
3369                 if (reset_status == -EAGAIN) {
3370                         if (reset_times < 3) {
3371                                 reset_times++;
3372                                 goto RESET_START;
3373                         } else {
3374                                 RT_TRACE(COMP_ERR,
3375                                          " ERR!!! %s():  Reset Failed!!\n",
3376                                          __func__);
3377                         }
3378                 }
3379                 ieee->is_silent_reset = 1;
3380                 EnableHWSecurityConfig8192(dev);
3381                 if (ieee->state == IEEE80211_LINKED &&
3382                     ieee->iw_mode == IW_MODE_INFRA) {
3383                         ieee->set_chan(ieee->dev,
3384                                        ieee->current_network.channel);
3385
3386                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3387
3388                 } else if (ieee->state == IEEE80211_LINKED &&
3389                            ieee->iw_mode == IW_MODE_ADHOC) {
3390                         ieee->set_chan(ieee->dev,
3391                                        ieee->current_network.channel);
3392                         ieee->link_change(ieee->dev);
3393
3394                         ieee80211_start_send_beacons(ieee);
3395
3396                         if (ieee->data_hard_resume)
3397                                 ieee->data_hard_resume(ieee->dev);
3398                         netif_carrier_on(ieee->dev);
3399                 }
3400
3401                 CamRestoreAllEntry(dev);
3402
3403                 priv->ResetProgress = RESET_TYPE_NORESET;
3404                 priv->reset_count++;
3405
3406                 priv->bForcedSilentReset = false;
3407                 priv->bResetInProgress = false;
3408
3409                 /* For test --> force write UFWP. */
3410                 write_nic_byte(dev, UFWP, 1);
3411                 RT_TRACE(COMP_RESET,
3412                          "Reset finished!! ====>[%d]\n",
3413                          priv->reset_count);
3414         }
3415 }
3416
3417 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3418                              u32 *TotalRxDataNum)
3419 {
3420         u16                     SlotIndex;
3421         u16                     i;
3422
3423         *TotalRxBcnNum = 0;
3424         *TotalRxDataNum = 0;
3425
3426         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3427                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3428         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3429                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3430         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3431                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3432         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3433                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3434                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3435         }
3436 }
3437
3438
3439 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3440 {
3441         struct delayed_work *dwork = to_delayed_work(work);
3442         struct r8192_priv *priv = container_of(dwork,
3443                                                struct r8192_priv, watch_dog_wq);
3444         struct net_device *dev = priv->ieee80211->dev;
3445         struct ieee80211_device *ieee = priv->ieee80211;
3446         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3447         static u8       check_reset_cnt;
3448         bool bBusyTraffic = false;
3449         u32     TotalRxBcnNum = 0;
3450         u32     TotalRxDataNum = 0;
3451
3452         if (!priv->up)
3453                 return;
3454         hal_dm_watchdog(dev);
3455
3456         /* to get busy traffic condition */
3457         if (ieee->state == IEEE80211_LINKED) {
3458                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3459                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3460                         bBusyTraffic = true;
3461                 }
3462                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3463                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3464                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3465         }
3466         /* for AP roaming */
3467         if (priv->ieee80211->state == IEEE80211_LINKED &&
3468             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3469                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3470                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3471 #ifdef TODO
3472                         if (rfState == eRfOff)
3473                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3474 #endif
3475                         netdev_dbg(dev,
3476                                    "===>%s(): AP is power off, connect another one\n",
3477                                    __func__);
3478                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3479                         notify_wx_assoc_event(priv->ieee80211);
3480                         RemovePeerTS(priv->ieee80211,
3481                                      priv->ieee80211->current_network.bssid);
3482                         priv->ieee80211->link_change(dev);
3483                         queue_work(priv->ieee80211->wq,
3484                                    &priv->ieee80211->associate_procedure_wq);
3485                 }
3486         }
3487         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3488         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3489         /* check if reset the driver */
3490         if (check_reset_cnt++ >= 3) {
3491                 ResetType = rtl819x_ifcheck_resetornot(dev);
3492                 check_reset_cnt = 3;
3493         }
3494         /* This is control by OID set in Pomelo */
3495         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3496             (priv->bForcedSilentReset ||
3497             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3498                 RT_TRACE(COMP_RESET,
3499                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3500                          __func__, priv->force_reset, priv->ResetProgress,
3501                          priv->bForcedSilentReset,
3502                          priv->bDisableNormalResetCheck, ResetType);
3503                 rtl819x_ifsilentreset(dev);
3504         }
3505         priv->force_reset = false;
3506         priv->bForcedSilentReset = false;
3507         priv->bResetInProgress = false;
3508         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3509 }
3510
3511 static void watch_dog_timer_callback(unsigned long data)
3512 {
3513         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3514
3515         schedule_delayed_work(&priv->watch_dog_wq, 0);
3516         mod_timer(&priv->watch_dog_timer,
3517                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3518 }
3519
3520 static int _rtl8192_up(struct net_device *dev)
3521 {
3522         struct r8192_priv *priv = ieee80211_priv(dev);
3523         int init_status = 0;
3524
3525         priv->up = 1;
3526         priv->ieee80211->ieee_up = 1;
3527         RT_TRACE(COMP_INIT, "Bringing up iface");
3528         init_status = rtl8192_adapter_start(dev);
3529         if (!init_status) {
3530                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3531                          __func__);
3532                 priv->up = priv->ieee80211->ieee_up = 0;
3533                 return -EAGAIN;
3534         }
3535         RT_TRACE(COMP_INIT, "start adapter finished\n");
3536         rtl8192_rx_enable(dev);
3537         if (priv->ieee80211->state != IEEE80211_LINKED)
3538                 ieee80211_softmac_start_protocol(priv->ieee80211);
3539         ieee80211_reset_queue(priv->ieee80211);
3540         watch_dog_timer_callback((unsigned long)dev);
3541         if (!netif_queue_stopped(dev))
3542                 netif_start_queue(dev);
3543         else
3544                 netif_wake_queue(dev);
3545
3546         return 0;
3547 }
3548
3549
3550 static int rtl8192_open(struct net_device *dev)
3551 {
3552         struct r8192_priv *priv = ieee80211_priv(dev);
3553         int ret;
3554
3555         mutex_lock(&priv->wx_mutex);
3556         ret = rtl8192_up(dev);
3557         mutex_unlock(&priv->wx_mutex);
3558         return ret;
3559 }
3560
3561
3562 int rtl8192_up(struct net_device *dev)
3563 {
3564         struct r8192_priv *priv = ieee80211_priv(dev);
3565
3566         if (priv->up == 1)
3567                 return -1;
3568
3569         return _rtl8192_up(dev);
3570 }
3571
3572
3573 static int rtl8192_close(struct net_device *dev)
3574 {
3575         struct r8192_priv *priv = ieee80211_priv(dev);
3576         int ret;
3577
3578         mutex_lock(&priv->wx_mutex);
3579
3580         ret = rtl8192_down(dev);
3581
3582         mutex_unlock(&priv->wx_mutex);
3583
3584         return ret;
3585 }
3586
3587 int rtl8192_down(struct net_device *dev)
3588 {
3589         struct r8192_priv *priv = ieee80211_priv(dev);
3590         int i;
3591
3592         if (priv->up == 0)
3593                 return -1;
3594
3595         priv->up = 0;
3596         priv->ieee80211->ieee_up = 0;
3597         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3598         /* FIXME */
3599         if (!netif_queue_stopped(dev))
3600                 netif_stop_queue(dev);
3601
3602         rtl8192_rtx_disable(dev);
3603
3604         /* Tx related queue release */
3605         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3606                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3607         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3608                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3609
3610         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3611                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3612
3613         /* as cancel_delayed_work will del work->timer, so if work is not
3614          * defined as struct delayed_work, it will corrupt
3615          */
3616         rtl8192_cancel_deferred_work(priv);
3617         deinit_hal_dm(dev);
3618         del_timer_sync(&priv->watch_dog_timer);
3619
3620
3621         ieee80211_softmac_stop_protocol(priv->ieee80211);
3622         memset(&priv->ieee80211->current_network, 0,
3623                offsetof(struct ieee80211_network, list));
3624         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3625
3626         return 0;
3627 }
3628
3629
3630 void rtl8192_commit(struct net_device *dev)
3631 {
3632         struct r8192_priv *priv = ieee80211_priv(dev);
3633         int reset_status = 0;
3634
3635         if (priv->up == 0)
3636                 return;
3637         priv->up = 0;
3638
3639         rtl8192_cancel_deferred_work(priv);
3640         del_timer_sync(&priv->watch_dog_timer);
3641
3642         ieee80211_softmac_stop_protocol(priv->ieee80211);
3643
3644         rtl8192_rtx_disable(dev);
3645         reset_status = _rtl8192_up(dev);
3646 }
3647
3648 static void rtl8192_restart(struct work_struct *work)
3649 {
3650         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3651                                                reset_wq);
3652         struct net_device *dev = priv->ieee80211->dev;
3653
3654         mutex_lock(&priv->wx_mutex);
3655
3656         rtl8192_commit(dev);
3657
3658         mutex_unlock(&priv->wx_mutex);
3659 }
3660
3661 static void r8192_set_multicast(struct net_device *dev)
3662 {
3663         struct r8192_priv *priv = ieee80211_priv(dev);
3664         short promisc;
3665
3666         /* FIXME FIXME */
3667
3668         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3669
3670         if (promisc != priv->promisc)
3671
3672                 priv->promisc = promisc;
3673 }
3674
3675
3676 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3677 {
3678         struct r8192_priv *priv = ieee80211_priv(dev);
3679         struct sockaddr *addr = mac;
3680
3681         mutex_lock(&priv->wx_mutex);
3682
3683         ether_addr_copy(dev->dev_addr, addr->sa_data);
3684
3685         schedule_work(&priv->reset_wq);
3686         mutex_unlock(&priv->wx_mutex);
3687
3688         return 0;
3689 }
3690
3691 /* based on ipw2200 driver */
3692 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3693 {
3694         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3695         struct iwreq *wrq = (struct iwreq *)rq;
3696         int ret = -1;
3697         struct ieee80211_device *ieee = priv->ieee80211;
3698         u32 key[4];
3699         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3700         struct iw_point *p = &wrq->u.data;
3701         struct ieee_param *ipw = NULL;
3702
3703         mutex_lock(&priv->wx_mutex);
3704
3705
3706         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3707                 ret = -EINVAL;
3708                 goto out;
3709         }
3710
3711         ipw = memdup_user(p->pointer, p->length);
3712         if (IS_ERR(ipw)) {
3713                 ret = PTR_ERR(ipw);
3714                 goto out;
3715         }
3716
3717         switch (cmd) {
3718         case RTL_IOCTL_WPA_SUPPLICANT:
3719                 /* parse here for HW security */
3720                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3721                         if (ipw->u.crypt.set_tx) {
3722                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3723                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3724                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3725                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3726                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3727                                         if (ipw->u.crypt.key_len == 13)
3728                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3729                                         else if (ipw->u.crypt.key_len == 5)
3730                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3731                                 } else {
3732                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3733                                 }
3734
3735                                 if (ieee->pairwise_key_type) {
3736                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3737                                         EnableHWSecurityConfig8192(dev);
3738                                         /* We fill both index entry and 4th
3739                                          * entry for pairwise key as in IPW
3740                                          * interface, adhoc will only get here,
3741                                          * so we need index entry for its
3742                                          * default key serching!
3743                                          */
3744                                         setKey(dev, 4, ipw->u.crypt.idx,
3745                                                ieee->pairwise_key_type,
3746                                                (u8 *)ieee->ap_mac_addr,
3747                                                0, key);
3748                                         if (ieee->auth_mode != 2)
3749                                                 setKey(dev, ipw->u.crypt.idx,
3750                                                        ipw->u.crypt.idx,
3751                                                        ieee->pairwise_key_type,
3752                                                        (u8 *)ieee->ap_mac_addr,
3753                                                        0, key);
3754                                 }
3755                         } else {
3756                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3757                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3758                                         ieee->group_key_type = KEY_TYPE_CCMP;
3759                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3760                                         ieee->group_key_type = KEY_TYPE_TKIP;
3761                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3762                                         if (ipw->u.crypt.key_len == 13)
3763                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3764                                         else if (ipw->u.crypt.key_len == 5)
3765                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3766                                 } else {
3767                                         ieee->group_key_type = KEY_TYPE_NA;
3768                                 }
3769
3770                                 if (ieee->group_key_type) {
3771                                         setKey(dev, ipw->u.crypt.idx,
3772                                                /* KeyIndex */
3773                                                ipw->u.crypt.idx,
3774                                                /* KeyType */
3775                                                ieee->group_key_type,
3776                                                /* MacAddr */
3777                                                broadcast_addr,
3778                                                /* DefaultKey */
3779                                                0,
3780                                                /* KeyContent */
3781                                                key);
3782                                 }
3783                         }
3784                 }
3785                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3786                                                      &wrq->u.data);
3787                 break;
3788
3789         default:
3790                 ret = -EOPNOTSUPP;
3791                 break;
3792         }
3793         kfree(ipw);
3794         ipw = NULL;
3795 out:
3796         mutex_unlock(&priv->wx_mutex);
3797         return ret;
3798 }
3799
3800 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3801 {
3802         u8  ret_rate = 0xff;
3803
3804         if (!bIsHT) {
3805                 switch (rate) {
3806                 case DESC90_RATE1M:
3807                         ret_rate = MGN_1M;
3808                         break;
3809                 case DESC90_RATE2M:
3810                         ret_rate = MGN_2M;
3811                         break;
3812                 case DESC90_RATE5_5M:
3813                         ret_rate = MGN_5_5M;
3814                         break;
3815                 case DESC90_RATE11M:
3816                         ret_rate = MGN_11M;
3817                         break;
3818                 case DESC90_RATE6M:
3819                         ret_rate = MGN_6M;
3820                         break;
3821                 case DESC90_RATE9M:
3822                         ret_rate = MGN_9M;
3823                         break;
3824                 case DESC90_RATE12M:
3825                         ret_rate = MGN_12M;
3826                         break;
3827                 case DESC90_RATE18M:
3828                         ret_rate = MGN_18M;
3829                         break;
3830                 case DESC90_RATE24M:
3831                         ret_rate = MGN_24M;
3832                         break;
3833                 case DESC90_RATE36M:
3834                         ret_rate = MGN_36M;
3835                         break;
3836                 case DESC90_RATE48M:
3837                         ret_rate = MGN_48M;
3838                         break;
3839                 case DESC90_RATE54M:
3840                         ret_rate = MGN_54M;
3841                         break;
3842
3843                 default:
3844                         ret_rate = 0xff;
3845                         RT_TRACE(COMP_RECV,
3846                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3847                                  __func__, rate, bIsHT);
3848                         break;
3849                 }
3850
3851         } else {
3852                 switch (rate) {
3853                 case DESC90_RATEMCS0:
3854                         ret_rate = MGN_MCS0;
3855                         break;
3856                 case DESC90_RATEMCS1:
3857                         ret_rate = MGN_MCS1;
3858                         break;
3859                 case DESC90_RATEMCS2:
3860                         ret_rate = MGN_MCS2;
3861                         break;
3862                 case DESC90_RATEMCS3:
3863                         ret_rate = MGN_MCS3;
3864                         break;
3865                 case DESC90_RATEMCS4:
3866                         ret_rate = MGN_MCS4;
3867                         break;
3868                 case DESC90_RATEMCS5:
3869                         ret_rate = MGN_MCS5;
3870                         break;
3871                 case DESC90_RATEMCS6:
3872                         ret_rate = MGN_MCS6;
3873                         break;
3874                 case DESC90_RATEMCS7:
3875                         ret_rate = MGN_MCS7;
3876                         break;
3877                 case DESC90_RATEMCS8:
3878                         ret_rate = MGN_MCS8;
3879                         break;
3880                 case DESC90_RATEMCS9:
3881                         ret_rate = MGN_MCS9;
3882                         break;
3883                 case DESC90_RATEMCS10:
3884                         ret_rate = MGN_MCS10;
3885                         break;
3886                 case DESC90_RATEMCS11:
3887                         ret_rate = MGN_MCS11;
3888                         break;
3889                 case DESC90_RATEMCS12:
3890                         ret_rate = MGN_MCS12;
3891                         break;
3892                 case DESC90_RATEMCS13:
3893                         ret_rate = MGN_MCS13;
3894                         break;
3895                 case DESC90_RATEMCS14:
3896                         ret_rate = MGN_MCS14;
3897                         break;
3898                 case DESC90_RATEMCS15:
3899                         ret_rate = MGN_MCS15;
3900                         break;
3901                 case DESC90_RATEMCS32:
3902                         ret_rate = 0x80 | 0x20;
3903                         break;
3904
3905                 default:
3906                         ret_rate = 0xff;
3907                         RT_TRACE(COMP_RECV,
3908                                  "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3909                                  __func__, rate, bIsHT);
3910                         break;
3911                 }
3912         }
3913
3914         return ret_rate;
3915 }
3916
3917 /**
3918  * Function:     UpdateRxPktTimeStamp
3919  * Overview:     Record the TSF time stamp when receiving a packet
3920  *
3921  * Input:
3922  *       PADAPTER        Adapter
3923  *       PRT_RFD         pRfd,
3924  *
3925  * Output:
3926  *       PRT_RFD         pRfd
3927  *                               (pRfd->Status.TimeStampHigh is updated)
3928  *                               (pRfd->Status.TimeStampLow is updated)
3929  * Return:
3930  *               None
3931  */
3932 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3933                                      struct ieee80211_rx_stats *stats)
3934 {
3935         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3936
3937         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3938                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3939                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3940         } else {
3941                 priv->LastRxDescTSFLow = stats->mac_time[0];
3942                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3943         }
3944 }
3945
3946 /* 0-100 index. */
3947 static long rtl819x_translate_todbm(u8 signal_strength_index)
3948 {
3949         long    signal_power; /* in dBm. */
3950
3951         /* Translate to dBm (x=0.5y-95). */
3952         signal_power = (long)((signal_strength_index + 1) >> 1);
3953         signal_power -= 95;
3954
3955         return signal_power;
3956 }
3957
3958
3959 /* We can not declare RSSI/EVM total value of sliding window to
3960  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3961  * value will be kept in memory or disk. Declare the value in the adaptor
3962  * and it will be reinitialized when returned from S3/S4.
3963  */
3964 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3965                                     struct ieee80211_rx_stats *pprevious_stats,
3966                                     struct ieee80211_rx_stats *pcurrent_stats)
3967 {
3968         bool bcheck = false;
3969         u8      rfpath;
3970         u32     nspatial_stream, tmp_val;
3971         static u32 slide_rssi_index, slide_rssi_statistics;
3972         static u32 slide_evm_index, slide_evm_statistics;
3973         static u32 last_rssi, last_evm;
3974
3975         static u32 slide_beacon_adc_pwdb_index;
3976         static u32 slide_beacon_adc_pwdb_statistics;
3977         static u32 last_beacon_adc_pwdb;
3978
3979         struct rtl_80211_hdr_3addr *hdr;
3980         u16 sc;
3981         unsigned int frag, seq;
3982
3983         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3984         sc = le16_to_cpu(hdr->seq_ctl);
3985         frag = WLAN_GET_SEQ_FRAG(sc);
3986         seq = WLAN_GET_SEQ_SEQ(sc);
3987         /* to record the sequence number */
3988         pcurrent_stats->Seq_Num = seq;
3989
3990         /* Check whether we should take the previous packet into accounting */
3991         if (!pprevious_stats->bIsAMPDU) {
3992                 /* if previous packet is not aggregated packet */
3993                 bcheck = true;
3994         }
3995
3996         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3997                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3998                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3999                 priv->stats.slide_rssi_total -= last_rssi;
4000         }
4001         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4002
4003         priv->stats.slide_signal_strength[slide_rssi_index++] =
4004                 pprevious_stats->SignalStrength;
4005         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4006                 slide_rssi_index = 0;
4007
4008         /* <1> Showed on UI for user, in dbm */
4009         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4010         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4011         pcurrent_stats->rssi = priv->stats.signal_strength;
4012
4013         /* If the previous packet does not match the criteria, neglect it */
4014         if (!pprevious_stats->bPacketMatchBSSID) {
4015                 if (!pprevious_stats->bToSelfBA)
4016                         return;
4017         }
4018
4019         if (!bcheck)
4020                 return;
4021
4022
4023         /* only rtl8190 supported
4024          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4025          */
4026
4027         /* Check RSSI */
4028         priv->stats.num_process_phyinfo++;
4029
4030         /* record the general signal strength to the sliding window. */
4031
4032
4033         /* <2> Showed on UI for engineering
4034          * hardware does not provide rssi information for each rf path in CCK
4035          */
4036         if (!pprevious_stats->bIsCCK &&
4037             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4038                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4039                         if (!rtl8192_phy_CheckIsLegalRFPath(
4040                                         priv->ieee80211->dev, rfpath))
4041                                 continue;
4042
4043                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4044                                 priv->stats.rx_rssi_percentage[rfpath] =
4045                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4046                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4047                                 priv->stats.rx_rssi_percentage[rfpath] =
4048                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4049                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4050                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4051                         } else {
4052                                 priv->stats.rx_rssi_percentage[rfpath] =
4053                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4054                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4055                         }
4056                         RT_TRACE(COMP_DBG,
4057                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4058                                  priv->stats.rx_rssi_percentage[rfpath]);
4059                 }
4060         }
4061
4062
4063         /* Check PWDB. */
4064         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4065                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4066                  pprevious_stats->RxPWDBAll);
4067
4068         if (pprevious_stats->bPacketBeacon) {
4069                 /* record the beacon pwdb to the sliding window. */
4070                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4071                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4072                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4073                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4074                 }
4075                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4076                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4077                 slide_beacon_adc_pwdb_index++;
4078                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4079                         slide_beacon_adc_pwdb_index = 0;
4080                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4081                 if (pprevious_stats->RxPWDBAll >= 3)
4082                         pprevious_stats->RxPWDBAll -= 3;
4083         }
4084
4085         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4086                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4087                  pprevious_stats->RxPWDBAll);
4088
4089
4090         if (pprevious_stats->bPacketToSelf ||
4091             pprevious_stats->bPacketBeacon ||
4092             pprevious_stats->bToSelfBA) {
4093                 if (priv->undecorated_smoothed_pwdb < 0)
4094                         /* initialize */
4095                         priv->undecorated_smoothed_pwdb =
4096                                 pprevious_stats->RxPWDBAll;
4097                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4098                         priv->undecorated_smoothed_pwdb =
4099                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4100                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4101                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4102                 } else {
4103                         priv->undecorated_smoothed_pwdb =
4104                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4105                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4106                 }
4107         }
4108
4109         /* Check EVM */
4110         /* record the general EVM to the sliding window. */
4111         if (pprevious_stats->SignalQuality) {
4112                 if (pprevious_stats->bPacketToSelf ||
4113                     pprevious_stats->bPacketBeacon ||
4114                     pprevious_stats->bToSelfBA) {
4115                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4116                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4117                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4118                                 priv->stats.slide_evm_total -= last_evm;
4119                         }
4120
4121                         priv->stats.slide_evm_total +=
4122                                 pprevious_stats->SignalQuality;
4123
4124                         priv->stats.slide_evm[slide_evm_index++] =
4125                                 pprevious_stats->SignalQuality;
4126                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4127                                 slide_evm_index = 0;
4128
4129                         /* <1> Showed on UI for user, in percentage. */
4130                         tmp_val = priv->stats.slide_evm_total /
4131                                   slide_evm_statistics;
4132                         priv->stats.signal_quality = tmp_val;
4133                         /* Showed on UI for user in Windows Vista,
4134                          * for Link quality.
4135                          */
4136                         priv->stats.last_signal_strength_inpercent = tmp_val;
4137                 }
4138
4139                 /* <2> Showed on UI for engineering */
4140                 if (pprevious_stats->bPacketToSelf ||
4141                     pprevious_stats->bPacketBeacon ||
4142                     pprevious_stats->bToSelfBA) {
4143                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4144                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4145                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4146                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4147                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4148                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4149                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4150                                 }
4151                         }
4152                 }
4153         }
4154 }
4155
4156 /*-----------------------------------------------------------------------------
4157  * Function:    rtl819x_query_rxpwrpercentage()
4158  *
4159  * Overview:
4160  *
4161  * Input:               char            antpower
4162  *
4163  * Output:              NONE
4164  *
4165  * Return:              0-100 percentage
4166  *---------------------------------------------------------------------------
4167  */
4168 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4169 {
4170         if ((antpower <= -100) || (antpower >= 20))
4171                 return  0;
4172         else if (antpower >= 0)
4173                 return  100;
4174         else
4175                 return  100 + antpower;
4176
4177 }       /* QueryRxPwrPercentage */
4178
4179 static u8 rtl819x_evm_dbtopercentage(s8 value)
4180 {
4181         s8 ret_val;
4182
4183         ret_val = value;
4184
4185         if (ret_val >= 0)
4186                 ret_val = 0;
4187         if (ret_val <= -33)
4188                 ret_val = -33;
4189         ret_val = 0 - ret_val;
4190         ret_val *= 3;
4191         if (ret_val == 99)
4192                 ret_val = 100;
4193         return ret_val;
4194 }
4195
4196 /* We want good-looking for signal strength/quality */
4197 static long rtl819x_signal_scale_mapping(long currsig)
4198 {
4199         long retsig;
4200
4201         /* Step 1. Scale mapping. */
4202         if (currsig >= 61 && currsig <= 100)
4203                 retsig = 90 + ((currsig - 60) / 4);
4204         else if (currsig >= 41 && currsig <= 60)
4205                 retsig = 78 + ((currsig - 40) / 2);
4206         else if (currsig >= 31 && currsig <= 40)
4207                 retsig = 66 + (currsig - 30);
4208         else if (currsig >= 21 && currsig <= 30)
4209                 retsig = 54 + (currsig - 20);
4210         else if (currsig >= 5 && currsig <= 20)
4211                 retsig = 42 + (((currsig - 5) * 2) / 3);
4212         else if (currsig == 4)
4213                 retsig = 36;
4214         else if (currsig == 3)
4215                 retsig = 27;
4216         else if (currsig == 2)
4217                 retsig = 18;
4218         else if (currsig == 1)
4219                 retsig = 9;
4220         else
4221                 retsig = currsig;
4222
4223         return retsig;
4224 }
4225
4226 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4227 {
4228         if (pdrvinfo->RxHT)
4229                 return false;
4230
4231         switch (pdrvinfo->RxRate) {
4232         case DESC90_RATE1M:
4233         case DESC90_RATE2M:
4234         case DESC90_RATE5_5M:
4235         case DESC90_RATE11M:
4236                 return true;
4237         default:
4238                 return false;
4239         }
4240 }
4241
4242 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4243                                       struct ieee80211_rx_stats *pstats,
4244                                       rx_drvinfo_819x_usb  *pdrvinfo,
4245                                       struct ieee80211_rx_stats *precord_stats,
4246                                       bool bpacket_match_bssid,
4247                                       bool bpacket_toself,
4248                                       bool bPacketBeacon,
4249                                       bool bToSelfBA)
4250 {
4251         phy_sts_ofdm_819xusb_t *pofdm_buf;
4252         phy_sts_cck_819xusb_t   *pcck_buf;
4253         struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4254         u8      *prxpkt;
4255         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4256         s8      rx_pwr[4], rx_pwr_all = 0;
4257         s8      rx_snrX, rx_evmX;
4258         u8      evm, pwdb_all;
4259         u32     RSSI, total_rssi = 0;
4260         u8      is_cck_rate = 0;
4261         u8      rf_rx_num = 0;
4262         u8      sq;
4263
4264
4265         priv->stats.numqry_phystatus++;
4266
4267         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4268
4269         /* Record it for next packet processing */
4270         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4271         pstats->bPacketMatchBSSID =
4272                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4273         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4274         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4275         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4276         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4277
4278         prxpkt = (u8 *)pdrvinfo;
4279
4280         /* Move pointer to the 16th bytes. Phy status start address. */
4281         prxpkt += sizeof(rx_drvinfo_819x_usb);
4282
4283         /* Initial the cck and ofdm buffer pointer */
4284         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4285         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4286
4287         pstats->RxMIMOSignalQuality[0] = -1;
4288         pstats->RxMIMOSignalQuality[1] = -1;
4289         precord_stats->RxMIMOSignalQuality[0] = -1;
4290         precord_stats->RxMIMOSignalQuality[1] = -1;
4291
4292         if (is_cck_rate) {
4293                 /* (1)Hardware does not provide RSSI for CCK */
4294
4295                 /* (2)PWDB, Average PWDB calculated by hardware
4296                  * (for rate adaptive)
4297                  */
4298                 u8 report;
4299
4300                 priv->stats.numqry_phystatusCCK++;
4301
4302                 if (!priv->bCckHighPower) {
4303                         report = pcck_buf->cck_agc_rpt & 0xc0;
4304                         report >>= 6;
4305                         switch (report) {
4306                         case 0x3:
4307                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4308                                 break;
4309                         case 0x2:
4310                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4311                                 break;
4312                         case 0x1:
4313                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4314                                 break;
4315                         case 0x0:
4316                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4317                                 break;
4318                         }
4319                 } else {
4320                         report = pcck_buf->cck_agc_rpt & 0x60;
4321                         report >>= 5;
4322                         switch (report) {
4323                         case 0x3:
4324                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4325                                 break;
4326                         case 0x2:
4327                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4328                                 break;
4329                         case 0x1:
4330                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4331                                 break;
4332                         case 0x0:
4333                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4334                                 break;
4335                         }
4336                 }
4337
4338                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4339                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4340                 pstats->RecvSignalPower = pwdb_all;
4341
4342                 /* (3) Get Signal Quality (EVM) */
4343
4344                 if (pstats->RxPWDBAll > 40) {
4345                         sq = 100;
4346                 } else {
4347                         sq = pcck_buf->sq_rpt;
4348
4349                         if (pcck_buf->sq_rpt > 64)
4350                                 sq = 0;
4351                         else if (pcck_buf->sq_rpt < 20)
4352                                 sq = 100;
4353                         else
4354                                 sq = ((64 - sq) * 100) / 44;
4355                 }
4356                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4357                 pstats->RxMIMOSignalQuality[0] =
4358                         precord_stats->RxMIMOSignalQuality[0] = sq;
4359                 pstats->RxMIMOSignalQuality[1] =
4360                         precord_stats->RxMIMOSignalQuality[1] = -1;
4361
4362         } else {
4363                 priv->stats.numqry_phystatusHT++;
4364
4365                 /* (1)Get RSSI for HT rate */
4366                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4367                         /* We will judge RF RX path now. */
4368                         if (priv->brfpath_rxenable[i])
4369                                 rf_rx_num++;
4370                         else
4371                                 continue;
4372
4373                         if (!rtl8192_phy_CheckIsLegalRFPath(
4374                                         priv->ieee80211->dev, i))
4375                                 continue;
4376
4377                         rx_pwr[i] =
4378                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4379
4380                         /* Get Rx snr value in DB */
4381                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4382                         rx_snrX = (s8)(tmp_rxsnr);
4383                         rx_snrX /= 2;
4384                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4385
4386                         /* Translate DBM to percentage. */
4387                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4388                         total_rssi += RSSI;
4389
4390                         /* Record Signal Strength for next packet */
4391                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4392                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4393                 }
4394
4395
4396                 /* (2)PWDB, Average PWDB calculated by hardware
4397                  * (for rate adaptive)
4398                  */
4399                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4400                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4401
4402                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4403                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4404
4405                 /* (3)EVM of HT rate */
4406                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4407                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4408                         /* both spatial stream make sense */
4409                         max_spatial_stream = 2;
4410                 else
4411                         /* only spatial stream 1 makes sense */
4412                         max_spatial_stream = 1;
4413
4414                 for (i = 0; i < max_spatial_stream; i++) {
4415                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4416                         rx_evmX = (s8)(tmp_rxevm);
4417
4418                         /* Do not use shift operation like "rx_evmX >>= 1"
4419                          * because the compiler of free build environment will
4420                          * set the most significant bit to "zero" when doing
4421                          * shifting operation which may change a negative value
4422                          * to positive one, then the dbm value (which is
4423                          * supposed to be negative) is not correct anymore.
4424                          */
4425                         rx_evmX /= 2;   /* dbm */
4426
4427                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4428                         if (i == 0)
4429                                 /* Fill value in RFD, Get the first spatial
4430                                  * stream only
4431                                  */
4432                                 pstats->SignalQuality =
4433                                         precord_stats->SignalQuality =
4434                                         evm & 0xff;
4435                         pstats->RxMIMOSignalQuality[i] =
4436                                 precord_stats->RxMIMOSignalQuality[i] =
4437                                 evm & 0xff;
4438                 }
4439
4440
4441                 /* record rx statistics for debug */
4442                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4443                 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4444                         &rxsc_sgien_exflg;
4445                 if (pdrvinfo->BW)       /* 40M channel */
4446                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4447                 else                    /* 20M channel */
4448                         priv->stats.received_bwtype[0]++;
4449         }
4450
4451         /* UI BSS List signal strength(in percentage), make it good looking,
4452          * from 0~100. It is assigned to the BSS List in
4453          * GetValueFromBeaconOrProbeRsp().
4454          */
4455         if (is_cck_rate) {
4456                 pstats->SignalStrength =
4457                         precord_stats->SignalStrength =
4458                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4459         } else {
4460                 /* We can judge RX path number now. */
4461                 if (rf_rx_num != 0) {
4462                         pstats->SignalStrength =
4463                                 precord_stats->SignalStrength =
4464                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4465                 }
4466         }
4467 }       /* QueryRxPhyStatus8190Pci */
4468
4469 static void rtl8192_record_rxdesc_forlateruse(
4470                 struct ieee80211_rx_stats *psrc_stats,
4471                 struct ieee80211_rx_stats *ptarget_stats)
4472 {
4473         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4474         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4475         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4476 }
4477
4478
4479 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4480                                           struct ieee80211_rx_stats *pstats,
4481                                           rx_drvinfo_819x_usb  *pdrvinfo)
4482 {
4483         /* TODO: We must only check packet for current MAC address.
4484          * Not finish
4485          */
4486         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4487         struct net_device *dev = info->dev;
4488         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4489         bool bpacket_match_bssid, bpacket_toself;
4490         bool bPacketBeacon = false, bToSelfBA = false;
4491         static struct ieee80211_rx_stats  previous_stats;
4492         struct rtl_80211_hdr_3addr *hdr;
4493         u16 fc, type;
4494
4495         /* Get Signal Quality for only RX data queue (but not command queue) */
4496
4497         u8 *tmp_buf;
4498         u8  *praddr;
4499
4500         /* Get MAC frame start address. */
4501         tmp_buf = (u8 *)skb->data;
4502
4503         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4504         fc = le16_to_cpu(hdr->frame_ctl);
4505         type = WLAN_FC_GET_TYPE(fc);
4506         praddr = hdr->addr1;
4507
4508         /* Check if the received packet is acceptable. */
4509         bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4510                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4511                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4512         bpacket_toself =  bpacket_match_bssid &
4513                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4514
4515         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4516                 bPacketBeacon = true;
4517         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4518                 if ((eqMacAddr(praddr, dev->dev_addr)))
4519                         bToSelfBA = true;
4520         }
4521
4522
4523
4524         if (bpacket_match_bssid)
4525                 priv->stats.numpacket_matchbssid++;
4526         if (bpacket_toself)
4527                 priv->stats.numpacket_toself++;
4528         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4529          * Because phy information is contained in the last packet of AMPDU
4530          * only, so driver should process phy information of previous packet
4531          */
4532         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4533         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4534                                   bpacket_match_bssid, bpacket_toself,
4535                                   bPacketBeacon, bToSelfBA);
4536         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4537 }
4538
4539 /**
4540  * Function:    UpdateReceivedRateHistogramStatistics
4541  * Overview:    Record the received data rate
4542  *
4543  * Input:
4544  *      struct net_device *dev
4545  *      struct ieee80211_rx_stats *stats
4546  *
4547  * Output:
4548  *
4549  *                      (priv->stats.ReceivedRateHistogram[] is updated)
4550  * Return:
4551  *              None
4552  */
4553 static void
4554 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4555                                           struct ieee80211_rx_stats *stats)
4556 {
4557         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4558         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4559         u32 rcvType = 1;
4560         u32 rateIndex;
4561         /* 1: short preamble/GI, 0: long preamble/GI */
4562         u32 preamble_guardinterval;
4563
4564
4565         if (stats->bCRC)
4566                 rcvType = 2;
4567         else if (stats->bICV)
4568                 rcvType = 3;
4569
4570         if (stats->bShortPreamble)
4571                 preamble_guardinterval = 1; /* short */
4572         else
4573                 preamble_guardinterval = 0; /* long */
4574
4575         switch (stats->rate) {
4576         /* CCK rate */
4577         case MGN_1M:
4578                 rateIndex = 0;
4579                 break;
4580         case MGN_2M:
4581                 rateIndex = 1;
4582                 break;
4583         case MGN_5_5M:
4584                 rateIndex = 2;
4585                 break;
4586         case MGN_11M:
4587                 rateIndex = 3;
4588                 break;
4589         /* Legacy OFDM rate */
4590         case MGN_6M:
4591                 rateIndex = 4;
4592                 break;
4593         case MGN_9M:
4594                 rateIndex = 5;
4595                 break;
4596         case MGN_12M:
4597                 rateIndex = 6;
4598                 break;
4599         case MGN_18M:
4600                 rateIndex = 7;
4601                 break;
4602         case MGN_24M:
4603                 rateIndex = 8;
4604                 break;
4605         case MGN_36M:
4606                 rateIndex = 9;
4607                 break;
4608         case MGN_48M:
4609                 rateIndex = 10;
4610                 break;
4611         case MGN_54M:
4612                 rateIndex = 11;
4613                 break;
4614         /* 11n High throughput rate */
4615         case MGN_MCS0:
4616                 rateIndex = 12;
4617                 break;
4618         case MGN_MCS1:
4619                 rateIndex = 13;
4620                 break;
4621         case MGN_MCS2:
4622                 rateIndex = 14;
4623                 break;
4624         case MGN_MCS3:
4625                 rateIndex = 15;
4626                 break;
4627         case MGN_MCS4:
4628                 rateIndex = 16;
4629                 break;
4630         case MGN_MCS5:
4631                 rateIndex = 17;
4632                 break;
4633         case MGN_MCS6:
4634                 rateIndex = 18;
4635                 break;
4636         case MGN_MCS7:
4637                 rateIndex = 19;
4638                 break;
4639         case MGN_MCS8:
4640                 rateIndex = 20;
4641                 break;
4642         case MGN_MCS9:
4643                 rateIndex = 21;
4644                 break;
4645         case MGN_MCS10:
4646                 rateIndex = 22;
4647                 break;
4648         case MGN_MCS11:
4649                 rateIndex = 23;
4650                 break;
4651         case MGN_MCS12:
4652                 rateIndex = 24;
4653                 break;
4654         case MGN_MCS13:
4655                 rateIndex = 25;
4656                 break;
4657         case MGN_MCS14:
4658                 rateIndex = 26;
4659                 break;
4660         case MGN_MCS15:
4661                 rateIndex = 27;
4662                 break;
4663         default:
4664                 rateIndex = 28;
4665                 break;
4666         }
4667         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4668         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4669         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4670 }
4671
4672
4673 static void query_rxdesc_status(struct sk_buff *skb,
4674                                 struct ieee80211_rx_stats *stats,
4675                                 bool bIsRxAggrSubframe)
4676 {
4677         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4678         struct net_device *dev = info->dev;
4679         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4680         rx_drvinfo_819x_usb  *driver_info = NULL;
4681
4682         /* Get Rx Descriptor Information */
4683         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4684
4685         stats->Length = desc->Length;
4686         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4687         stats->RxBufShift = 0;
4688         stats->bICV = desc->ICV;
4689         stats->bCRC = desc->CRC32;
4690         stats->bHwError = stats->bCRC | stats->bICV;
4691         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4692         stats->Decrypted = !desc->SWDec;
4693
4694         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4695             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4696                 stats->bHwError = false;
4697         else
4698                 stats->bHwError = stats->bCRC | stats->bICV;
4699
4700         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4701                 stats->bHwError |= 1;
4702         /* Get Driver Info */
4703         /* TODO: Need to verify it on FGPA platform
4704          * Driver info are written to the RxBuffer following rx desc
4705          */
4706         if (stats->RxDrvInfoSize != 0) {
4707                 driver_info = (rx_drvinfo_819x_usb *)(
4708                                 skb->data
4709                                 + sizeof(rx_desc_819x_usb)
4710                                 + stats->RxBufShift
4711                               );
4712                 /* unit: 0.5M */
4713                 /* TODO */
4714                 if (!stats->bHwError) {
4715                         u8      ret_rate;
4716
4717                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4718                                                    driver_info->RxRate);
4719                         if (ret_rate == 0xff) {
4720                                 /* Abnormal Case: Receive CRC OK packet with Rx
4721                                  * descriptor indicating non supported rate.
4722                                  * Special Error Handling here
4723                                  */
4724
4725                                 stats->bHwError = 1;
4726                                 /* Set 1M rate by default */
4727                                 stats->rate = MGN_1M;
4728                         } else {
4729                                 stats->rate = ret_rate;
4730                         }
4731                 } else {
4732                         stats->rate = 0x02;
4733                 }
4734
4735                 stats->bShortPreamble = driver_info->SPLCP;
4736
4737
4738                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4739
4740                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4741                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4742                                     (driver_info->FirstAGGR == 1);
4743                 stats->TimeStampLow = driver_info->TSFL;
4744
4745                 UpdateRxPktTimeStamp8190(dev, stats);
4746
4747                 /* Rx A-MPDU */
4748                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4749                         RT_TRACE(COMP_RXDESC,
4750                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4751                                  driver_info->FirstAGGR, driver_info->PartAggr);
4752         }
4753
4754         skb_pull(skb, sizeof(rx_desc_819x_usb));
4755         /* Get Total offset of MPDU Frame Body */
4756         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4757                 stats->bShift = 1;
4758                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4759         }
4760
4761         if (driver_info) {
4762                 stats->RxIs40MHzPacket = driver_info->BW;
4763                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4764         }
4765 }
4766
4767 static void rtl8192_rx_nomal(struct sk_buff *skb)
4768 {
4769         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4770         struct net_device *dev = info->dev;
4771         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4772         struct ieee80211_rx_stats stats = {
4773                 .signal = 0,
4774                 .noise = 0x100 - 98,
4775                 .rate = 0,
4776                 .freq = IEEE80211_24GHZ_BAND,
4777         };
4778         u32 rx_pkt_len = 0;
4779         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4780         bool unicast_packet = false;
4781
4782         /* 20 is for ps-poll */
4783         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4784                 /* first packet should not contain Rx aggregation header */
4785                 query_rxdesc_status(skb, &stats, false);
4786                 /* TODO */
4787                 /* hardware related info */
4788                 /* Process the MPDU received */
4789                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4790
4791                 rx_pkt_len = skb->len;
4792                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4793                 unicast_packet = false;
4794                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4795                         /* TODO */
4796                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4797                         /* TODO */
4798                 } else {
4799                         /* unicast packet */
4800                         unicast_packet = true;
4801                 }
4802
4803                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4804                         dev_kfree_skb_any(skb);
4805                 } else {
4806                         priv->stats.rxoktotal++;
4807                         if (unicast_packet)
4808                                 priv->stats.rxbytesunicast += rx_pkt_len;
4809                 }
4810         } else {
4811                 priv->stats.rxurberr++;
4812                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4813                 dev_kfree_skb_any(skb);
4814         }
4815 }
4816
4817 static void rtl819xusb_process_received_packet(
4818                 struct net_device *dev,
4819                 struct ieee80211_rx_stats *pstats)
4820 {
4821         u8      *frame;
4822         u16     frame_len = 0;
4823         struct r8192_priv *priv = ieee80211_priv(dev);
4824
4825         /* Get shifted bytes of Starting address of 802.11 header. */
4826         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4827         frame = pstats->virtual_address;
4828         frame_len = pstats->packetlength;
4829 #ifdef TODO     /* about HCT */
4830         if (!Adapter->bInHctTest)
4831                 CountRxErrStatistics(Adapter, pRfd);
4832 #endif
4833 #ifdef ENABLE_PS  /* for adding ps function in future */
4834         RT_RF_POWER_STATE rtState;
4835         /* When RF is off, we should not count the packet for hw/sw synchronize
4836          * reason, ie. there may be a duration while sw switch is changed and
4837          * hw switch is being changed.
4838          */
4839         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4840                                          (u8 *)(&rtState));
4841         if (rtState == eRfOff)
4842                 return;
4843 #endif
4844         priv->stats.rxframgment++;
4845
4846 #ifdef TODO
4847         RmMonitorSignalStrength(Adapter, pRfd);
4848 #endif
4849         /* We have to release RFD and return if rx pkt is cmd pkt. */
4850         if (rtl819xusb_rx_command_packet(dev, pstats))
4851                 return;
4852
4853 #ifdef SW_CRC_CHECK
4854         SwCrcCheck();
4855 #endif
4856
4857
4858 }
4859
4860 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4861                                         struct ieee80211_rx_stats *stats)
4862 {
4863         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4864
4865         /* Get Rx Descriptor Information */
4866         stats->virtual_address = (u8 *)skb->data;
4867         stats->Length = desc->Length;
4868         stats->RxDrvInfoSize = 0;
4869         stats->RxBufShift = 0;
4870         stats->packetlength = stats->Length - scrclng;
4871         stats->fraglength = stats->packetlength;
4872         stats->fragoffset = 0;
4873         stats->ntotalfrag = 1;
4874 }
4875
4876
4877 static void rtl8192_rx_cmd(struct sk_buff *skb)
4878 {
4879         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4880         struct net_device *dev = info->dev;
4881         /* TODO */
4882         struct ieee80211_rx_stats stats = {
4883                 .signal = 0,
4884                 .noise = 0x100 - 98,
4885                 .rate = 0,
4886                 .freq = IEEE80211_24GHZ_BAND,
4887         };
4888
4889         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4890                 query_rx_cmdpkt_desc_status(skb, &stats);
4891                 /* prfd->queue_id = 1; */
4892
4893                 /* Process the command packet received. */
4894
4895                 rtl819xusb_process_received_packet(dev, &stats);
4896
4897                 dev_kfree_skb_any(skb);
4898         }
4899 }
4900
4901 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4902 {
4903         struct sk_buff *skb;
4904         struct rtl8192_rx_info *info;
4905
4906         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4907                 info = (struct rtl8192_rx_info *)skb->cb;
4908                 switch (info->out_pipe) {
4909                 /* Nomal packet pipe */
4910                 case 3:
4911                         priv->IrpPendingCount--;
4912                         rtl8192_rx_nomal(skb);
4913                         break;
4914
4915                 /* Command packet pipe */
4916                 case 9:
4917                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4918                                  info->out_pipe);
4919
4920                         rtl8192_rx_cmd(skb);
4921                         break;
4922
4923                 default: /* should never get here! */
4924                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4925                                  info->out_pipe);
4926                         dev_kfree_skb(skb);
4927                         break;
4928                 }
4929         }
4930 }
4931
4932 static const struct net_device_ops rtl8192_netdev_ops = {
4933         .ndo_open               = rtl8192_open,
4934         .ndo_stop               = rtl8192_close,
4935         .ndo_get_stats          = rtl8192_stats,
4936         .ndo_tx_timeout         = tx_timeout,
4937         .ndo_do_ioctl           = rtl8192_ioctl,
4938         .ndo_set_rx_mode        = r8192_set_multicast,
4939         .ndo_set_mac_address    = r8192_set_mac_adr,
4940         .ndo_validate_addr      = eth_validate_addr,
4941         .ndo_start_xmit         = ieee80211_xmit,
4942 };
4943
4944
4945 /****************************************************************************
4946  *    ---------------------------- USB_STUFF---------------------------
4947  *****************************************************************************/
4948
4949 static int rtl8192_usb_probe(struct usb_interface *intf,
4950                              const struct usb_device_id *id)
4951 {
4952         struct net_device *dev = NULL;
4953         struct r8192_priv *priv = NULL;
4954         struct usb_device *udev = interface_to_usbdev(intf);
4955         int ret;
4956
4957         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4958
4959         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4960         if (!dev)
4961                 return -ENOMEM;
4962
4963         usb_set_intfdata(intf, dev);
4964         SET_NETDEV_DEV(dev, &intf->dev);
4965         priv = ieee80211_priv(dev);
4966         priv->ieee80211 = netdev_priv(dev);
4967         priv->udev = udev;
4968
4969         dev->netdev_ops = &rtl8192_netdev_ops;
4970
4971         dev->wireless_handlers = &r8192_wx_handlers_def;
4972
4973         dev->type = ARPHRD_ETHER;
4974
4975         dev->watchdog_timeo = HZ * 3;
4976
4977         if (dev_alloc_name(dev, ifname) < 0) {
4978                 RT_TRACE(COMP_INIT,
4979                          "Oops: devname already taken! Trying wlan%%d...\n");
4980                 ifname = "wlan%d";
4981                 dev_alloc_name(dev, ifname);
4982         }
4983
4984         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4985         if (rtl8192_init(dev) != 0) {
4986                 RT_TRACE(COMP_ERR, "Initialization failed");
4987                 ret = -ENODEV;
4988                 goto fail;
4989         }
4990         netif_carrier_off(dev);
4991         netif_stop_queue(dev);
4992
4993         ret = register_netdev(dev);
4994         if (ret)
4995                 goto fail2;
4996
4997         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4998         rtl8192_proc_init_one(dev);
4999
5000
5001         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5002         return 0;
5003
5004 fail2:
5005         rtl8192_down(dev);
5006         kfree(priv->pFirmware);
5007         priv->pFirmware = NULL;
5008         rtl8192_usb_deleteendpoints(dev);
5009         mdelay(10);
5010 fail:
5011         free_ieee80211(dev);
5012
5013         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5014         return ret;
5015 }
5016
5017 /* detach all the work and timer structure declared or inititialize
5018  * in r8192U_init function.
5019  */
5020 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5021 {
5022         cancel_work_sync(&priv->reset_wq);
5023         cancel_delayed_work(&priv->watch_dog_wq);
5024         cancel_delayed_work(&priv->update_beacon_wq);
5025         cancel_work_sync(&priv->qos_activate);
5026 }
5027
5028
5029 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5030 {
5031         struct net_device *dev = usb_get_intfdata(intf);
5032         struct r8192_priv *priv = ieee80211_priv(dev);
5033
5034         if (dev) {
5035                 unregister_netdev(dev);
5036
5037                 RT_TRACE(COMP_DOWN,
5038                          "=============>wlan driver to be removed\n");
5039                 rtl8192_proc_remove_one(dev);
5040
5041                 rtl8192_down(dev);
5042                 kfree(priv->pFirmware);
5043                 priv->pFirmware = NULL;
5044                 rtl8192_usb_deleteendpoints(dev);
5045                 mdelay(10);
5046         }
5047         free_ieee80211(dev);
5048         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5049 }
5050
5051 static int __init rtl8192_usb_module_init(void)
5052 {
5053         int ret;
5054
5055 #ifdef CONFIG_IEEE80211_DEBUG
5056         ret = ieee80211_debug_init();
5057         if (ret) {
5058                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5059                 return ret;
5060         }
5061 #endif
5062         ret = ieee80211_crypto_init();
5063         if (ret) {
5064                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5065                 return ret;
5066         }
5067
5068         ret = ieee80211_crypto_tkip_init();
5069         if (ret) {
5070                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5071                 return ret;
5072         }
5073
5074         ret = ieee80211_crypto_ccmp_init();
5075         if (ret) {
5076                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5077                 return ret;
5078         }
5079
5080         ret = ieee80211_crypto_wep_init();
5081         if (ret) {
5082                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5083                 return ret;
5084         }
5085
5086         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5087         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5088         RT_TRACE(COMP_INIT, "Initializing module");
5089         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5090         rtl8192_proc_module_init();
5091         return usb_register(&rtl8192_usb_driver);
5092 }
5093
5094
5095 static void __exit rtl8192_usb_module_exit(void)
5096 {
5097         usb_deregister(&rtl8192_usb_driver);
5098
5099         RT_TRACE(COMP_DOWN, "Exiting");
5100 }
5101
5102 void EnableHWSecurityConfig8192(struct net_device *dev)
5103 {
5104         u8 SECR_value = 0x0;
5105         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5106         struct ieee80211_device *ieee = priv->ieee80211;
5107
5108         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5109         if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5110                 SECR_value |= SCR_RxUseDK;
5111                 SECR_value |= SCR_TxUseDK;
5112         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5113                 SECR_value |= SCR_RxUseDK;
5114                 SECR_value |= SCR_TxUseDK;
5115         }
5116         /* add HWSec active enable here.
5117          * default using hwsec. when peer AP is in N mode only and
5118          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5119          * it), use software security. when peer AP is in b,g,n mode mixed and
5120          * pairwise_key_type is none_aes, use g mode hw security.
5121          */
5122
5123         ieee->hwsec_active = 1;
5124
5125         /* add hwsec_support flag to totol control hw_sec on/off */
5126         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5127                 ieee->hwsec_active = 0;
5128                 SECR_value &= ~SCR_RxDecEnable;
5129         }
5130         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5131                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5132                  SECR_value);
5133         write_nic_byte(dev, SECR,  SECR_value);
5134 }
5135
5136
5137 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5138             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5139 {
5140         u32 TargetCommand = 0;
5141         u32 TargetContent = 0;
5142         u16 usConfig = 0;
5143         u8 i;
5144
5145         if (EntryNo >= TOTAL_CAM_ENTRY)
5146                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5147
5148         RT_TRACE(COMP_SEC,
5149                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5150                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5151
5152         if (DefaultKey)
5153                 usConfig |= BIT(15) | (KeyType << 2);
5154         else
5155                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5156
5157
5158         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5159                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5160                 TargetCommand |= BIT(31) | BIT(16);
5161
5162                 if (i == 0) { /* MAC|Config */
5163                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5164                                         (u32)(*(MacAddr + 1)) << 24 |
5165                                         (u32)usConfig;
5166
5167                         write_nic_dword(dev, WCAMI, TargetContent);
5168                         write_nic_dword(dev, RWCAM, TargetCommand);
5169                 } else if (i == 1) { /* MAC */
5170                         TargetContent = (u32)(*(MacAddr + 2))    |
5171                                         (u32)(*(MacAddr + 3)) <<  8 |
5172                                         (u32)(*(MacAddr + 4)) << 16 |
5173                                         (u32)(*(MacAddr + 5)) << 24;
5174                         write_nic_dword(dev, WCAMI, TargetContent);
5175                         write_nic_dword(dev, RWCAM, TargetCommand);
5176                 } else {
5177                         /* Key Material */
5178                         if (KeyContent) {
5179                                 write_nic_dword(dev, WCAMI,
5180                                                 *(KeyContent + i - 2));
5181                                 write_nic_dword(dev, RWCAM, TargetCommand);
5182                         }
5183                 }
5184         }
5185 }
5186
5187 /***************************************************************************
5188  *    ------------------- module init / exit stubs ----------------
5189  ****************************************************************************/
5190 module_init(rtl8192_usb_module_init);
5191 module_exit(rtl8192_usb_module_exit);