Version:  2.0.40 2.2.26 2.4.37 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5

Linux/drivers/staging/rtl8192u/r8192U_core.c

  1 /******************************************************************************
  2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
  3  * Linux device driver for RTL8192U
  4  *
  5  * Based on the r8187 driver, which is:
  6  * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
  7  * This program is free software; you can redistribute it and/or modify it
  8  * under the terms of version 2 of the GNU General Public License as
  9  * published by the Free Software Foundation.
 10  *
 11  * This program is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14  * more details.
 15  *
 16  * You should have received a copy of the GNU General Public License along with
 17  * this program; if not, write to the Free Software Foundation, Inc.,
 18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 19  *
 20  * The full GNU General Public License is included in this distribution in the
 21  * file called LICENSE.
 22  *
 23  * Contact Information:
 24  * Jerry chuang <wlanfae@realtek.com>
 25  */
 26 
 27 #ifndef CONFIG_FORCE_HARD_FLOAT
 28 double __floatsidf(int i)
 29 {
 30         return i;
 31 }
 32 
 33 unsigned int __fixunsdfsi(double d)
 34 {
 35         return d;
 36 }
 37 
 38 double __adddf3(double a, double b)
 39 {
 40         return a + b;
 41 }
 42 
 43 double __addsf3(float a, float b)
 44 {
 45         return a + b;
 46 }
 47 
 48 double __subdf3(double a, double b)
 49 {
 50         return a - b;
 51 }
 52 
 53 double __extendsfdf2(float a)
 54 {
 55         return a;
 56 }
 57 #endif
 58 
 59 #define CONFIG_RTL8192_IO_MAP
 60 
 61 #include <linux/uaccess.h>
 62 #include "r8192U_hw.h"
 63 #include "r8192U.h"
 64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
 65 #include "r8180_93cx6.h"   /* Card EEPROM */
 66 #include "r8192U_wx.h"
 67 #include "r819xU_phy.h"
 68 #include "r819xU_phyreg.h"
 69 #include "r819xU_cmdpkt.h"
 70 #include "r8192U_dm.h"
 71 #include <linux/usb.h>
 72 #include <linux/slab.h>
 73 #include <linux/proc_fs.h>
 74 #include <linux/seq_file.h>
 75 /* FIXME: check if 2.6.7 is ok */
 76 
 77 #include "dot11d.h"
 78 /* set here to open your trace code. */
 79 u32 rt_global_debug_component = COMP_DOWN       |
 80                                 COMP_SEC        |
 81                                 COMP_ERR; /* always open err flags on */
 82 
 83 #define TOTAL_CAM_ENTRY 32
 84 #define CAM_CONTENT_COUNT 8
 85 
 86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
 87         /* Realtek */
 88         {USB_DEVICE(0x0bda, 0x8709)},
 89         /* Corega */
 90         {USB_DEVICE(0x07aa, 0x0043)},
 91         /* Belkin */
 92         {USB_DEVICE(0x050d, 0x805E)},
 93         /* Sitecom */
 94         {USB_DEVICE(0x0df6, 0x0031)},
 95         /* EnGenius */
 96         {USB_DEVICE(0x1740, 0x9201)},
 97         /* Dlink */
 98         {USB_DEVICE(0x2001, 0x3301)},
 99         /* Zinwell */
100         {USB_DEVICE(0x5a57, 0x0290)},
101         /* LG */
102         {USB_DEVICE(0x043e, 0x7a01)},
103         {}
104 };
105 
106 MODULE_LICENSE("GPL");
107 MODULE_VERSION("V 1.1");
108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
110 
111 static char *ifname = "wlan%d";
112 static int hwwep = 1;  /* default use hw. set 0 to use software security */
113 static int channels = 0x3fff;
114 
115 
116 
117 module_param(ifname, charp, S_IRUGO | S_IWUSR);
118 module_param(hwwep, int, S_IRUGO | S_IWUSR);
119 module_param(channels, int, S_IRUGO | S_IWUSR);
120 
121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
124 
125 static int rtl8192_usb_probe(struct usb_interface *intf,
126                              const struct usb_device_id *id);
127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
128 
129 
130 static struct usb_driver rtl8192_usb_driver = {
131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
133         .probe          = rtl8192_usb_probe,              /* probe fn      */
134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
135         .suspend        = NULL,                           /* PM suspend fn */
136         .resume         = NULL,                           /* PM resume fn  */
137 };
138 
139 
140 struct CHANNEL_LIST {
141         u8      Channel[32];
142         u8      Len;
143 };
144 
145 static struct CHANNEL_LIST ChannelPlan[] = {
146         /* FCC */
147         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
148         /* IC */
149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
150         /* ETSI */
151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
152         /* Spain. Change to ETSI. */
153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
154         /* France. Change to ETSI. */
155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
156         /* MKK */
157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
158         /* MKK1 */
159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
160         /* Israel. */
161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
162         /* For 11a , TELEC */
163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
164         /* MIC */
165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
168 };
169 
170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
171 {
172         int i, max_chan = -1, min_chan = -1;
173         struct ieee80211_device *ieee = priv->ieee80211;
174 
175         switch (channel_plan) {
176         case COUNTRY_CODE_FCC:
177         case COUNTRY_CODE_IC:
178         case COUNTRY_CODE_ETSI:
179         case COUNTRY_CODE_SPAIN:
180         case COUNTRY_CODE_FRANCE:
181         case COUNTRY_CODE_MKK:
182         case COUNTRY_CODE_MKK1:
183         case COUNTRY_CODE_ISRAEL:
184         case COUNTRY_CODE_TELEC:
185         case COUNTRY_CODE_MIC:
186                 Dot11d_Init(ieee);
187                 ieee->bGlobalDomain = false;
188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
190                         min_chan = 1;
191                         max_chan = 14;
192                 } else {
193                         RT_TRACE(COMP_ERR,
194                                  "unknown rf chip, can't set channel map in function:%s()\n",
195                                  __func__);
196                 }
197                 if (ChannelPlan[channel_plan].Len != 0) {
198                         /* Clear old channel map */
199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
201                         /* Set new channel map */
202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
204                                         break;
205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
206                         }
207                 }
208                 break;
209 
210         case COUNTRY_CODE_GLOBAL_DOMAIN:
211                 /* this flag enabled to follow 11d country IE setting,
212                  * otherwise, it shall follow global domain settings.
213                  */
214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
215                 Dot11d_Reset(ieee);
216                 ieee->bGlobalDomain = true;
217                 break;
218 
219         default:
220                 break;
221         }
222 }
223 
224 
225 
226 
227 static void CamResetAllEntry(struct net_device *dev)
228 {
229         u32 ulcommand = 0;
230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
231          * associate to AP. However, ResetKey is called on
232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
233          * condition, Cam can not be reset because upper layer will not set
234          * this static key again.
235          */
236         ulcommand |= BIT(31) | BIT(30);
237         write_nic_dword(dev, RWCAM, ulcommand);
238 
239 }
240 
241 
242 void write_cam(struct net_device *dev, u8 addr, u32 data)
243 {
244         write_nic_dword(dev, WCAMI, data);
245         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
246 }
247 
248 u32 read_cam(struct net_device *dev, u8 addr)
249 {
250         u32 data;
251 
252         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
253         read_nic_dword(dev, 0xa8, &data);
254         return data;
255 }
256 
257 void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
258 {
259         int status;
260         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
261         struct usb_device *udev = priv->udev;
262         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
263 
264         if (!usbdata)
265                 return;
266         *usbdata = data;
267 
268         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
269                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
270                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
271         kfree(usbdata);
272 
273         if (status < 0)
274                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
275                            status);
276 }
277 
278 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
279 {
280         int status;
281         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
282         struct usb_device *udev = priv->udev;
283         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
284 
285         if (!usbdata)
286                 return -ENOMEM;
287 
288         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
289                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
290                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
291         *data = *usbdata;
292         kfree(usbdata);
293 
294         if (status < 0) {
295                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
296                 return status;
297         }
298 
299         return 0;
300 }
301 /* as 92U has extend page from 4 to 16, so modify functions below. */
302 void write_nic_byte(struct net_device *dev, int indx, u8 data)
303 {
304         int status;
305 
306         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
307         struct usb_device *udev = priv->udev;
308         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
309 
310         if (!usbdata)
311                 return;
312         *usbdata = data;
313 
314         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
315                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
316                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
317                                  usbdata, 1, HZ / 2);
318         kfree(usbdata);
319 
320         if (status < 0)
321                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
322 
323 
324 }
325 
326 
327 void write_nic_word(struct net_device *dev, int indx, u16 data)
328 {
329 
330         int status;
331 
332         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
333         struct usb_device *udev = priv->udev;
334         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
335 
336         if (!usbdata)
337                 return;
338         *usbdata = data;
339 
340         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
341                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
342                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
343                                  usbdata, 2, HZ / 2);
344         kfree(usbdata);
345 
346         if (status < 0)
347                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
348 
349 }
350 
351 
352 void write_nic_dword(struct net_device *dev, int indx, u32 data)
353 {
354 
355         int status;
356 
357         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
358         struct usb_device *udev = priv->udev;
359         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
360 
361         if (!usbdata)
362                 return;
363         *usbdata = data;
364 
365         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
366                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
367                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
368                                  usbdata, 4, HZ / 2);
369         kfree(usbdata);
370 
371 
372         if (status < 0)
373                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
374                            status);
375 
376 }
377 
378 
379 
380 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
381 {
382         int status;
383         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
384         struct usb_device *udev = priv->udev;
385         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
386 
387         if (!usbdata)
388                 return -ENOMEM;
389 
390         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
391                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
392                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
393                                  usbdata, 1, HZ / 2);
394         *data = *usbdata;
395         kfree(usbdata);
396 
397         if (status < 0) {
398                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
399                 return status;
400         }
401 
402         return 0;
403 }
404 
405 
406 
407 int read_nic_word(struct net_device *dev, int indx, u16 *data)
408 {
409         int status;
410         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
411         struct usb_device *udev = priv->udev;
412         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
413 
414         if (!usbdata)
415                 return -ENOMEM;
416 
417         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
418                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
419                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
420                                  usbdata, 2, HZ / 2);
421         *data = *usbdata;
422         kfree(usbdata);
423 
424         if (status < 0) {
425                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
426                 return status;
427         }
428 
429         return 0;
430 }
431 
432 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
433 {
434         int status;
435         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
436         struct usb_device *udev = priv->udev;
437         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
438 
439         if (!usbdata)
440                 return -ENOMEM;
441 
442         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
443                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
444                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
445         *data = *usbdata;
446         kfree(usbdata);
447 
448         if (status < 0) {
449                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
450                 return status;
451         }
452 
453         return 0;
454 }
455 
456 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
457 {
458         int status;
459 
460         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
461         struct usb_device *udev = priv->udev;
462         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
463 
464         if (!usbdata)
465                 return -ENOMEM;
466 
467         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
468                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
469                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
470                                  usbdata, 4, HZ / 2);
471         *data = *usbdata;
472         kfree(usbdata);
473 
474         if (status < 0) {
475                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
476                 return status;
477         }
478 
479         return 0;
480 }
481 
482 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
483 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
484 /* this might still called in what was the PHY rtl8185/rtl8192 common code
485  * plans are to possibility turn it again in one common code...
486  */
487 inline void force_pci_posting(struct net_device *dev)
488 {
489 }
490 
491 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
492 static void rtl8192_restart(struct work_struct *work);
493 static void watch_dog_timer_callback(unsigned long data);
494 
495 /****************************************************************************
496  *   -----------------------------PROCFS STUFF-------------------------
497 *****************************************************************************
498  */
499 
500 static struct proc_dir_entry *rtl8192_proc;
501 
502 static int proc_get_stats_ap(struct seq_file *m, void *v)
503 {
504         struct net_device *dev = m->private;
505         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
506         struct ieee80211_device *ieee = priv->ieee80211;
507         struct ieee80211_network *target;
508 
509         list_for_each_entry(target, &ieee->network_list, list) {
510                 const char *wpa = "non_WPA";
511 
512                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
513                         wpa = "WPA";
514 
515                 seq_printf(m, "%s %s\n", target->ssid, wpa);
516         }
517 
518         return 0;
519 }
520 
521 static int proc_get_registers(struct seq_file *m, void *v)
522 {
523         struct net_device *dev = m->private;
524         int i, n, max = 0xff;
525         u8 byte_rd;
526 
527         seq_puts(m, "\n####################page 0##################\n ");
528 
529         for (n = 0; n <= max;) {
530                 seq_printf(m, "\nD:  %2x > ", n);
531 
532                 for (i = 0; i < 16 && n <= max; i++, n++) {
533                         read_nic_byte(dev, 0x000 | n, &byte_rd);
534                         seq_printf(m, "%2x ", byte_rd);
535                 }
536         }
537 
538         seq_puts(m, "\n####################page 1##################\n ");
539         for (n = 0; n <= max;) {
540                 seq_printf(m, "\nD:  %2x > ", n);
541 
542                 for (i = 0; i < 16 && n <= max; i++, n++) {
543                         read_nic_byte(dev, 0x100 | n, &byte_rd);
544                         seq_printf(m, "%2x ", byte_rd);
545                 }
546         }
547 
548         seq_puts(m, "\n####################page 3##################\n ");
549         for (n = 0; n <= max;) {
550                 seq_printf(m, "\nD:  %2x > ", n);
551 
552                 for (i = 0; i < 16 && n <= max; i++, n++) {
553                         read_nic_byte(dev, 0x300 | n, &byte_rd);
554                         seq_printf(m, "%2x ", byte_rd);
555                 }
556         }
557 
558         seq_putc(m, '\n');
559         return 0;
560 }
561 
562 static int proc_get_stats_tx(struct seq_file *m, void *v)
563 {
564         struct net_device *dev = m->private;
565         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
566 
567         seq_printf(m,
568                    "TX VI priority ok int: %lu\n"
569                    "TX VI priority error int: %lu\n"
570                    "TX VO priority ok int: %lu\n"
571                    "TX VO priority error int: %lu\n"
572                    "TX BE priority ok int: %lu\n"
573                    "TX BE priority error int: %lu\n"
574                    "TX BK priority ok int: %lu\n"
575                    "TX BK priority error int: %lu\n"
576                    "TX MANAGE priority ok int: %lu\n"
577                    "TX MANAGE priority error int: %lu\n"
578                    "TX BEACON priority ok int: %lu\n"
579                    "TX BEACON priority error int: %lu\n"
580                    "TX queue resume: %lu\n"
581                    "TX queue stopped?: %d\n"
582                    "TX fifo overflow: %lu\n"
583                    "TX VI queue: %d\n"
584                    "TX VO queue: %d\n"
585                    "TX BE queue: %d\n"
586                    "TX BK queue: %d\n"
587                    "TX VI dropped: %lu\n"
588                    "TX VO dropped: %lu\n"
589                    "TX BE dropped: %lu\n"
590                    "TX BK dropped: %lu\n"
591                    "TX total data packets %lu\n",
592                    priv->stats.txviokint,
593                    priv->stats.txvierr,
594                    priv->stats.txvookint,
595                    priv->stats.txvoerr,
596                    priv->stats.txbeokint,
597                    priv->stats.txbeerr,
598                    priv->stats.txbkokint,
599                    priv->stats.txbkerr,
600                    priv->stats.txmanageokint,
601                    priv->stats.txmanageerr,
602                    priv->stats.txbeaconokint,
603                    priv->stats.txbeaconerr,
604                    priv->stats.txresumed,
605                    netif_queue_stopped(dev),
606                    priv->stats.txoverflow,
607                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
608                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
609                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
610                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
611                    priv->stats.txvidrop,
612                    priv->stats.txvodrop,
613                    priv->stats.txbedrop,
614                    priv->stats.txbkdrop,
615                    priv->stats.txdatapkt
616                 );
617 
618         return 0;
619 }
620 
621 static int proc_get_stats_rx(struct seq_file *m, void *v)
622 {
623         struct net_device *dev = m->private;
624         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
625 
626         seq_printf(m,
627                    "RX packets: %lu\n"
628                    "RX urb status error: %lu\n"
629                    "RX invalid urb error: %lu\n",
630                    priv->stats.rxoktotal,
631                    priv->stats.rxstaterr,
632                    priv->stats.rxurberr);
633 
634         return 0;
635 }
636 
637 static void rtl8192_proc_module_init(void)
638 {
639         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
640         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
641 }
642 
643 /*
644  * seq_file wrappers for procfile show routines.
645  */
646 static int rtl8192_proc_open(struct inode *inode, struct file *file)
647 {
648         struct net_device *dev = proc_get_parent_data(inode);
649         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
650 
651         return single_open(file, show, dev);
652 }
653 
654 static const struct file_operations rtl8192_proc_fops = {
655         .open           = rtl8192_proc_open,
656         .read           = seq_read,
657         .llseek         = seq_lseek,
658         .release        = single_release,
659 };
660 
661 /*
662  * Table of proc files we need to create.
663  */
664 struct rtl8192_proc_file {
665         char name[12];
666         int (*show)(struct seq_file *, void *);
667 };
668 
669 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
670         { "stats-rx",   &proc_get_stats_rx },
671         { "stats-tx",   &proc_get_stats_tx },
672         { "stats-ap",   &proc_get_stats_ap },
673         { "registers",  &proc_get_registers },
674         { "" }
675 };
676 
677 static void rtl8192_proc_init_one(struct net_device *dev)
678 {
679         const struct rtl8192_proc_file *f;
680         struct proc_dir_entry *dir;
681 
682         if (rtl8192_proc) {
683                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
684                 if (!dir) {
685                         RT_TRACE(COMP_ERR,
686                                  "Unable to initialize /proc/net/rtl8192/%s\n",
687                                  dev->name);
688                         return;
689                 }
690 
691                 for (f = rtl8192_proc_files; f->name[0]; f++) {
692                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
693                                               &rtl8192_proc_fops, f->show)) {
694                                 RT_TRACE(COMP_ERR,
695                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
696                                          dev->name, f->name);
697                                 return;
698                         }
699                 }
700         }
701 }
702 
703 static void rtl8192_proc_remove_one(struct net_device *dev)
704 {
705         remove_proc_subtree(dev->name, rtl8192_proc);
706 }
707 
708 /****************************************************************************
709    -----------------------------MISC STUFF-------------------------
710 *****************************************************************************/
711 
712 short check_nic_enough_desc(struct net_device *dev, int queue_index)
713 {
714         struct r8192_priv *priv = ieee80211_priv(dev);
715         int used = atomic_read(&priv->tx_pending[queue_index]);
716 
717         return (used < MAX_TX_URB);
718 }
719 
720 static void tx_timeout(struct net_device *dev)
721 {
722         struct r8192_priv *priv = ieee80211_priv(dev);
723 
724         schedule_work(&priv->reset_wq);
725 }
726 
727 void rtl8192_update_msr(struct net_device *dev)
728 {
729         struct r8192_priv *priv = ieee80211_priv(dev);
730         u8 msr;
731 
732         read_nic_byte(dev, MSR, &msr);
733         msr &= ~MSR_LINK_MASK;
734 
735         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
736          * msr must be updated if the state is ASSOCIATING.
737          * this is intentional and make sense for ad-hoc and
738          * master (see the create BSS/IBSS func)
739          */
740         if (priv->ieee80211->state == IEEE80211_LINKED) {
741 
742                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
743                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
744                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
745                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
746                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
747                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
748 
749         } else {
750                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
751         }
752 
753         write_nic_byte(dev, MSR, msr);
754 }
755 
756 void rtl8192_set_chan(struct net_device *dev, short ch)
757 {
758         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
759 
760         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
761         priv->chan = ch;
762 
763         /* this hack should avoid frame TX during channel setting*/
764 
765         /* need to implement rf set channel here */
766 
767         if (priv->rf_set_chan)
768                 priv->rf_set_chan(dev, priv->chan);
769         mdelay(10);
770 }
771 
772 static void rtl8192_rx_isr(struct urb *urb);
773 
774 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
775 {
776 
777         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
778                 + pstats->RxBufShift);
779 
780 }
781 static int rtl8192_rx_initiate(struct net_device *dev)
782 {
783         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
784         struct urb *entry;
785         struct sk_buff *skb;
786         struct rtl8192_rx_info *info;
787 
788         /* nomal packet rx procedure */
789         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
790                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
791                 if (!skb)
792                         break;
793                 entry = usb_alloc_urb(0, GFP_KERNEL);
794                 if (!entry) {
795                         kfree_skb(skb);
796                         break;
797                 }
798                 usb_fill_bulk_urb(entry, priv->udev,
799                                   usb_rcvbulkpipe(priv->udev, 3),
800                                   skb_tail_pointer(skb),
801                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
802                 info = (struct rtl8192_rx_info *)skb->cb;
803                 info->urb = entry;
804                 info->dev = dev;
805                 info->out_pipe = 3; /* denote rx normal packet queue */
806                 skb_queue_tail(&priv->rx_queue, skb);
807                 usb_submit_urb(entry, GFP_KERNEL);
808         }
809 
810         /* command packet rx procedure */
811         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
812                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
813                 if (!skb)
814                         break;
815                 entry = usb_alloc_urb(0, GFP_KERNEL);
816                 if (!entry) {
817                         kfree_skb(skb);
818                         break;
819                 }
820                 usb_fill_bulk_urb(entry, priv->udev,
821                                   usb_rcvbulkpipe(priv->udev, 9),
822                                   skb_tail_pointer(skb),
823                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
824                 info = (struct rtl8192_rx_info *)skb->cb;
825                 info->urb = entry;
826                 info->dev = dev;
827                 info->out_pipe = 9; /* denote rx cmd packet queue */
828                 skb_queue_tail(&priv->rx_queue, skb);
829                 usb_submit_urb(entry, GFP_KERNEL);
830         }
831 
832         return 0;
833 }
834 
835 void rtl8192_set_rxconf(struct net_device *dev)
836 {
837         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
838         u32 rxconf;
839 
840         read_nic_dword(dev, RCR, &rxconf);
841         rxconf = rxconf & ~MAC_FILTER_MASK;
842         rxconf = rxconf | RCR_AMF;
843         rxconf = rxconf | RCR_ADF;
844         rxconf = rxconf | RCR_AB;
845         rxconf = rxconf | RCR_AM;
846 
847         if (dev->flags & IFF_PROMISC)
848                 DMESG("NIC in promisc mode");
849 
850         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
851             dev->flags & IFF_PROMISC) {
852                 rxconf = rxconf | RCR_AAP;
853         } else {
854                 rxconf = rxconf | RCR_APM;
855                 rxconf = rxconf | RCR_CBSSID;
856         }
857 
858 
859         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
860                 rxconf = rxconf | RCR_AICV;
861                 rxconf = rxconf | RCR_APWRMGT;
862         }
863 
864         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
865                 rxconf = rxconf | RCR_ACRC32;
866 
867 
868         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
869         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
870         rxconf = rxconf & ~MAX_RX_DMA_MASK;
871         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
872 
873         rxconf = rxconf | RCR_ONLYERLPKT;
874 
875         write_nic_dword(dev, RCR, rxconf);
876 }
877 /* wait to be removed */
878 void rtl8192_rx_enable(struct net_device *dev)
879 {
880         rtl8192_rx_initiate(dev);
881 }
882 
883 
884 void rtl8192_tx_enable(struct net_device *dev)
885 {
886 }
887 
888 
889 
890 void rtl8192_rtx_disable(struct net_device *dev)
891 {
892         u8 cmd;
893         struct r8192_priv *priv = ieee80211_priv(dev);
894         struct sk_buff *skb;
895         struct rtl8192_rx_info *info;
896 
897         read_nic_byte(dev, CMDR, &cmd);
898         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
899         force_pci_posting(dev);
900         mdelay(10);
901 
902         while ((skb = __skb_dequeue(&priv->rx_queue))) {
903                 info = (struct rtl8192_rx_info *)skb->cb;
904                 if (!info->urb)
905                         continue;
906 
907                 usb_kill_urb(info->urb);
908                 kfree_skb(skb);
909         }
910 
911         if (skb_queue_len(&priv->skb_queue))
912                 netdev_warn(dev, "skb_queue not empty\n");
913 
914         skb_queue_purge(&priv->skb_queue);
915 }
916 
917 inline u16 ieeerate2rtlrate(int rate)
918 {
919         switch (rate) {
920         case 10:
921                 return 0;
922         case 20:
923                 return 1;
924         case 55:
925                 return 2;
926         case 110:
927                 return 3;
928         case 60:
929                 return 4;
930         case 90:
931                 return 5;
932         case 120:
933                 return 6;
934         case 180:
935                 return 7;
936         case 240:
937                 return 8;
938         case 360:
939                 return 9;
940         case 480:
941                 return 10;
942         case 540:
943                 return 11;
944         default:
945                 return 3;
946 
947         }
948 }
949 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
950 inline u16 rtl8192_rate2rate(short rate)
951 {
952         if (rate > 11)
953                 return 0;
954         return rtl_rate[rate];
955 }
956 
957 
958 /* The prototype of rx_isr has changed since one version of Linux Kernel */
959 static void rtl8192_rx_isr(struct urb *urb)
960 {
961         struct sk_buff *skb = (struct sk_buff *)urb->context;
962         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
963         struct net_device *dev = info->dev;
964         struct r8192_priv *priv = ieee80211_priv(dev);
965         int out_pipe = info->out_pipe;
966         int err;
967 
968         if (!priv->up)
969                 return;
970 
971         if (unlikely(urb->status)) {
972                 info->urb = NULL;
973                 priv->stats.rxstaterr++;
974                 priv->ieee80211->stats.rx_errors++;
975                 usb_free_urb(urb);
976                 return;
977         }
978         skb_unlink(skb, &priv->rx_queue);
979         skb_put(skb, urb->actual_length);
980 
981         skb_queue_tail(&priv->skb_queue, skb);
982         tasklet_schedule(&priv->irq_rx_tasklet);
983 
984         skb = dev_alloc_skb(RX_URB_SIZE);
985         if (unlikely(!skb)) {
986                 usb_free_urb(urb);
987                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
988                 /* TODO check rx queue length and refill *somewhere* */
989                 return;
990         }
991 
992         usb_fill_bulk_urb(urb, priv->udev,
993                           usb_rcvbulkpipe(priv->udev, out_pipe),
994                           skb_tail_pointer(skb),
995                           RX_URB_SIZE, rtl8192_rx_isr, skb);
996 
997         info = (struct rtl8192_rx_info *)skb->cb;
998         info->urb = urb;
999         info->dev = dev;
1000         info->out_pipe = out_pipe;
1001 
1002         urb->transfer_buffer = skb_tail_pointer(skb);
1003         urb->context = skb;
1004         skb_queue_tail(&priv->rx_queue, skb);
1005         err = usb_submit_urb(urb, GFP_ATOMIC);
1006         if (err && err != EPERM)
1007                 netdev_err(dev,
1008                            "can not submit rxurb, err is %x, URB status is %x\n",
1009                            err, urb->status);
1010 }
1011 
1012 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
1013                                         struct ieee80211_rx_stats *pstats)
1014 {
1015         u32     status;
1016 
1017         status = cmpk_message_handle_rx(dev, pstats);
1018         if (status)
1019                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
1020 
1021         return status;
1022 }
1023 
1024 
1025 static void rtl8192_data_hard_stop(struct net_device *dev)
1026 {
1027         /* FIXME !! */
1028 }
1029 
1030 
1031 static void rtl8192_data_hard_resume(struct net_device *dev)
1032 {
1033         /* FIXME !! */
1034 }
1035 
1036 /* this function TX data frames when the ieee80211 stack requires this.
1037  * It checks also if we need to stop the ieee tx queue, eventually do it
1038  */
1039 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1040                                    int rate)
1041 {
1042         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1043         int ret;
1044         unsigned long flags;
1045         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1046         u8 queue_index = tcb_desc->queue_index;
1047 
1048         /* shall not be referred by command packet */
1049         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1050 
1051         spin_lock_irqsave(&priv->tx_lock, flags);
1052 
1053         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1054         tcb_desc->bTxEnableFwCalcDur = 1;
1055         skb_push(skb, priv->ieee80211->tx_headroom);
1056         ret = rtl8192_tx(dev, skb);
1057 
1058         spin_unlock_irqrestore(&priv->tx_lock, flags);
1059 }
1060 
1061 /* This is a rough attempt to TX a frame
1062  * This is called by the ieee 80211 stack to TX management frames.
1063  * If the ring is full packet are dropped (for data frame the queue
1064  * is stopped before this can happen).
1065  */
1066 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1067 {
1068         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1069         int ret;
1070         unsigned long flags;
1071         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1072         u8 queue_index = tcb_desc->queue_index;
1073 
1074 
1075         spin_lock_irqsave(&priv->tx_lock, flags);
1076 
1077         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1078         if (queue_index == TXCMD_QUEUE) {
1079                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1080                 rtl819xU_tx_cmd(dev, skb);
1081                 ret = 1;
1082         } else {
1083                 skb_push(skb, priv->ieee80211->tx_headroom);
1084                 ret = rtl8192_tx(dev, skb);
1085         }
1086 
1087         spin_unlock_irqrestore(&priv->tx_lock, flags);
1088 
1089         return ret;
1090 }
1091 
1092 static void rtl8192_tx_isr(struct urb *tx_urb)
1093 {
1094         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1095         struct net_device *dev = (struct net_device *)(skb->cb);
1096         struct r8192_priv *priv = NULL;
1097         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1098         u8  queue_index = tcb_desc->queue_index;
1099 
1100         priv = ieee80211_priv(dev);
1101 
1102         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1103                 if (tx_urb->status == 0) {
1104                         dev->trans_start = jiffies;
1105                         priv->stats.txoktotal++;
1106                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1107                         priv->stats.txbytesunicast +=
1108                                 (skb->len - priv->ieee80211->tx_headroom);
1109                 } else {
1110                         priv->ieee80211->stats.tx_errors++;
1111                         /* TODO */
1112                 }
1113         }
1114 
1115         /* free skb and tx_urb */
1116         if (skb != NULL) {
1117                 dev_kfree_skb_any(skb);
1118                 usb_free_urb(tx_urb);
1119                 atomic_dec(&priv->tx_pending[queue_index]);
1120         }
1121 
1122         /*
1123          * Handle HW Beacon:
1124          * We had transfer our beacon frame to host controller at this moment.
1125          *
1126          *
1127          * Caution:
1128          * Handling the wait queue of command packets.
1129          * For Tx command packets, we must not do TCB fragment because it is
1130          * not handled right now. We must cut the packets to match the size of
1131          * TX_CMD_PKT before we send it.
1132          */
1133 
1134         /* Handle MPDU in wait queue. */
1135         if (queue_index != BEACON_QUEUE) {
1136                 /* Don't send data frame during scanning.*/
1137                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1138                     (!(priv->ieee80211->queue_stop))) {
1139                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1140                         if (skb)
1141                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1142                                                                          dev);
1143 
1144                         return; /* avoid further processing AMSDU */
1145                 }
1146         }
1147 
1148 }
1149 
1150 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1151 {
1152         struct r8192_priv *priv = ieee80211_priv(dev);
1153         struct ieee80211_network *net;
1154         u8 i = 0, basic_rate = 0;
1155 
1156         net = &priv->ieee80211->current_network;
1157 
1158         for (i = 0; i < net->rates_len; i++) {
1159                 basic_rate = net->rates[i] & 0x7f;
1160                 switch (basic_rate) {
1161                 case MGN_1M:
1162                         *rate_config |= RRSR_1M;
1163                         break;
1164                 case MGN_2M:
1165                         *rate_config |= RRSR_2M;
1166                         break;
1167                 case MGN_5_5M:
1168                         *rate_config |= RRSR_5_5M;
1169                         break;
1170                 case MGN_11M:
1171                         *rate_config |= RRSR_11M;
1172                         break;
1173                 case MGN_6M:
1174                         *rate_config |= RRSR_6M;
1175                         break;
1176                 case MGN_9M:
1177                         *rate_config |= RRSR_9M;
1178                         break;
1179                 case MGN_12M:
1180                         *rate_config |= RRSR_12M;
1181                         break;
1182                 case MGN_18M:
1183                         *rate_config |= RRSR_18M;
1184                         break;
1185                 case MGN_24M:
1186                         *rate_config |= RRSR_24M;
1187                         break;
1188                 case MGN_36M:
1189                         *rate_config |= RRSR_36M;
1190                         break;
1191                 case MGN_48M:
1192                         *rate_config |= RRSR_48M;
1193                         break;
1194                 case MGN_54M:
1195                         *rate_config |= RRSR_54M;
1196                         break;
1197                 }
1198         }
1199         for (i = 0; i < net->rates_ex_len; i++) {
1200                 basic_rate = net->rates_ex[i] & 0x7f;
1201                 switch (basic_rate) {
1202                 case MGN_1M:
1203                         *rate_config |= RRSR_1M;
1204                         break;
1205                 case MGN_2M:
1206                         *rate_config |= RRSR_2M;
1207                         break;
1208                 case MGN_5_5M:
1209                         *rate_config |= RRSR_5_5M;
1210                         break;
1211                 case MGN_11M:
1212                         *rate_config |= RRSR_11M;
1213                         break;
1214                 case MGN_6M:
1215                         *rate_config |= RRSR_6M;
1216                         break;
1217                 case MGN_9M:
1218                         *rate_config |= RRSR_9M;
1219                         break;
1220                 case MGN_12M:
1221                         *rate_config |= RRSR_12M;
1222                         break;
1223                 case MGN_18M:
1224                         *rate_config |= RRSR_18M;
1225                         break;
1226                 case MGN_24M:
1227                         *rate_config |= RRSR_24M;
1228                         break;
1229                 case MGN_36M:
1230                         *rate_config |= RRSR_36M;
1231                         break;
1232                 case MGN_48M:
1233                         *rate_config |= RRSR_48M;
1234                         break;
1235                 case MGN_54M:
1236                         *rate_config |= RRSR_54M;
1237                         break;
1238                 }
1239         }
1240 }
1241 
1242 
1243 #define SHORT_SLOT_TIME 9
1244 #define NON_SHORT_SLOT_TIME 20
1245 
1246 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1247 {
1248         u32 tmp = 0;
1249         struct r8192_priv *priv = ieee80211_priv(dev);
1250         struct ieee80211_network *net = &priv->ieee80211->current_network;
1251 
1252         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1253         tmp = priv->basic_rate;
1254         if (priv->short_preamble)
1255                 tmp |= BRSR_AckShortPmb;
1256         write_nic_dword(dev, RRSR, tmp);
1257 
1258         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1259                 u8 slot_time = 0;
1260 
1261                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1262                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1263                         /* short slot time */
1264                         slot_time = SHORT_SLOT_TIME;
1265                 else    /* long slot time */
1266                         slot_time = NON_SHORT_SLOT_TIME;
1267                 priv->slot_time = slot_time;
1268                 write_nic_byte(dev, SLOT_TIME, slot_time);
1269         }
1270 
1271 }
1272 static void rtl8192_net_update(struct net_device *dev)
1273 {
1274 
1275         struct r8192_priv *priv = ieee80211_priv(dev);
1276         struct ieee80211_network *net;
1277         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1278         u16 rate_config = 0;
1279 
1280         net = &priv->ieee80211->current_network;
1281 
1282         rtl8192_config_rate(dev, &rate_config);
1283         priv->basic_rate = rate_config & 0x15f;
1284 
1285         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1286         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1287 
1288         rtl8192_update_msr(dev);
1289         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1290                 write_nic_word(dev, ATIMWND, 2);
1291                 write_nic_word(dev, BCN_DMATIME, 1023);
1292                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1293                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1294                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1295                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1296                 /* TODO: BcnIFS may required to be changed on ASIC */
1297                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1298 
1299                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1300         }
1301 
1302 
1303 
1304 }
1305 
1306 /* temporary hw beacon is not used any more.
1307  * open it when necessary
1308  */
1309 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1310 {
1311 
1312 }
1313 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1314 {
1315         if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1316                 return 1;
1317         else
1318                 return 0;
1319 }
1320 
1321 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1322 {
1323         struct r8192_priv *priv = ieee80211_priv(dev);
1324         int                     status;
1325         struct urb              *tx_urb;
1326         unsigned int            idx_pipe;
1327         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1328         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1329         u8 queue_index = tcb_desc->queue_index;
1330 
1331         atomic_inc(&priv->tx_pending[queue_index]);
1332         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1333         if (!tx_urb) {
1334                 dev_kfree_skb(skb);
1335                 return -ENOMEM;
1336         }
1337 
1338         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1339         /* Tx descriptor ought to be set according to the skb->cb */
1340         pdesc->FirstSeg = 1;
1341         pdesc->LastSeg = 1;
1342         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1343         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1344         pdesc->OWN = 1;
1345         pdesc->LINIP = tcb_desc->bLastIniPkt;
1346 
1347         /*---------------------------------------------------------------------
1348          * Fill up USB_OUT_CONTEXT.
1349          *---------------------------------------------------------------------
1350          */
1351         idx_pipe = 0x04;
1352         usb_fill_bulk_urb(tx_urb, priv->udev,
1353                           usb_sndbulkpipe(priv->udev, idx_pipe),
1354                           skb->data, skb->len, rtl8192_tx_isr, skb);
1355 
1356         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1357 
1358         if (!status)
1359                 return 0;
1360 
1361         DMESGE("Error TX CMD URB, error %d", status);
1362         return -1;
1363 }
1364 
1365 /*
1366  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1367  * in TxFwInfo data structure
1368  * 2006.10.30 by Emily
1369  *
1370  * \param QUEUEID       Software Queue
1371 */
1372 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1373 {
1374         u8 QueueSelect = 0x0;       /* defualt set to */
1375 
1376         switch (QueueID) {
1377         case BE_QUEUE:
1378                 QueueSelect = QSLT_BE;
1379                 break;
1380 
1381         case BK_QUEUE:
1382                 QueueSelect = QSLT_BK;
1383                 break;
1384 
1385         case VO_QUEUE:
1386                 QueueSelect = QSLT_VO;
1387                 break;
1388 
1389         case VI_QUEUE:
1390                 QueueSelect = QSLT_VI;
1391                 break;
1392         case MGNT_QUEUE:
1393                 QueueSelect = QSLT_MGNT;
1394                 break;
1395 
1396         case BEACON_QUEUE:
1397                 QueueSelect = QSLT_BEACON;
1398                 break;
1399 
1400                 /* TODO: mark other queue selection until we verify it is OK */
1401                 /* TODO: Remove Assertions */
1402         case TXCMD_QUEUE:
1403                 QueueSelect = QSLT_CMD;
1404                 break;
1405         case HIGH_QUEUE:
1406                 QueueSelect = QSLT_HIGH;
1407                 break;
1408 
1409         default:
1410                 RT_TRACE(COMP_ERR,
1411                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1412                          QueueID);
1413                 break;
1414         }
1415         return QueueSelect;
1416 }
1417 
1418 static u8 MRateToHwRate8190Pci(u8 rate)
1419 {
1420         u8  ret = DESC90_RATE1M;
1421 
1422         switch (rate) {
1423         case MGN_1M:
1424                 ret = DESC90_RATE1M;
1425                 break;
1426         case MGN_2M:
1427                 ret = DESC90_RATE2M;
1428                 break;
1429         case MGN_5_5M:
1430                 ret = DESC90_RATE5_5M;
1431                 break;
1432         case MGN_11M:
1433                 ret = DESC90_RATE11M;
1434                 break;
1435         case MGN_6M:
1436                 ret = DESC90_RATE6M;
1437                 break;
1438         case MGN_9M:
1439                 ret = DESC90_RATE9M;
1440                 break;
1441         case MGN_12M:
1442                 ret = DESC90_RATE12M;
1443                 break;
1444         case MGN_18M:
1445                 ret = DESC90_RATE18M;
1446                 break;
1447         case MGN_24M:
1448                 ret = DESC90_RATE24M;
1449                 break;
1450         case MGN_36M:
1451                 ret = DESC90_RATE36M;
1452                 break;
1453         case MGN_48M:
1454                 ret = DESC90_RATE48M;
1455                 break;
1456         case MGN_54M:
1457                 ret = DESC90_RATE54M;
1458                 break;
1459 
1460         /* HT rate since here */
1461         case MGN_MCS0:
1462                 ret = DESC90_RATEMCS0;
1463                 break;
1464         case MGN_MCS1:
1465                 ret = DESC90_RATEMCS1;
1466                 break;
1467         case MGN_MCS2:
1468                 ret = DESC90_RATEMCS2;
1469                 break;
1470         case MGN_MCS3:
1471                 ret = DESC90_RATEMCS3;
1472                 break;
1473         case MGN_MCS4:
1474                 ret = DESC90_RATEMCS4;
1475                 break;
1476         case MGN_MCS5:
1477                 ret = DESC90_RATEMCS5;
1478                 break;
1479         case MGN_MCS6:
1480                 ret = DESC90_RATEMCS6;
1481                 break;
1482         case MGN_MCS7:
1483                 ret = DESC90_RATEMCS7;
1484                 break;
1485         case MGN_MCS8:
1486                 ret = DESC90_RATEMCS8;
1487                 break;
1488         case MGN_MCS9:
1489                 ret = DESC90_RATEMCS9;
1490                 break;
1491         case MGN_MCS10:
1492                 ret = DESC90_RATEMCS10;
1493                 break;
1494         case MGN_MCS11:
1495                 ret = DESC90_RATEMCS11;
1496                 break;
1497         case MGN_MCS12:
1498                 ret = DESC90_RATEMCS12;
1499                 break;
1500         case MGN_MCS13:
1501                 ret = DESC90_RATEMCS13;
1502                 break;
1503         case MGN_MCS14:
1504                 ret = DESC90_RATEMCS14;
1505                 break;
1506         case MGN_MCS15:
1507                 ret = DESC90_RATEMCS15;
1508                 break;
1509         case (0x80 | 0x20):
1510                 ret = DESC90_RATEMCS32;
1511                 break;
1512 
1513         default:
1514                 break;
1515         }
1516         return ret;
1517 }
1518 
1519 
1520 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1521 {
1522         u8   tmp_Short;
1523 
1524         tmp_Short = (TxHT == 1) ?
1525                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1526                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1527 
1528         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1529                 tmp_Short = 0;
1530 
1531         return tmp_Short;
1532 }
1533 
1534 static void tx_zero_isr(struct urb *tx_urb)
1535 {
1536 }
1537 
1538 /*
1539  * The tx procedure is just as following,
1540  * skb->cb will contain all the following information,
1541  * priority, morefrag, rate, &dev.
1542  * */
1543 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1544 {
1545         struct r8192_priv *priv = ieee80211_priv(dev);
1546         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1547         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1548         tx_fwinfo_819x_usb *tx_fwinfo =
1549                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1550         struct usb_device *udev = priv->udev;
1551         int pend;
1552         int status;
1553         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1554         unsigned int idx_pipe;
1555 
1556         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1557         /* we are locked here so the two atomic_read and inc are executed
1558          * without interleaves
1559          * !!! For debug purpose
1560          */
1561         if (pend > MAX_TX_URB) {
1562                 netdev_dbg(dev, "To discard skb packet!\n");
1563                 dev_kfree_skb_any(skb);
1564                 return -1;
1565         }
1566 
1567         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1568         if (!tx_urb) {
1569                 dev_kfree_skb_any(skb);
1570                 return -ENOMEM;
1571         }
1572 
1573         /* Fill Tx firmware info */
1574         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1575         /* DWORD 0 */
1576         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1577         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1578         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1579         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1580                                         tcb_desc);
1581         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1582                 tx_fwinfo->AllowAggregation = 1;
1583                 /* DWORD 1 */
1584                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1585                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1586         } else {
1587                 tx_fwinfo->AllowAggregation = 0;
1588                 /* DWORD 1 */
1589                 tx_fwinfo->RxMF = 0;
1590                 tx_fwinfo->RxAMD = 0;
1591         }
1592 
1593         /* Protection mode related */
1594         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1595         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1596         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1597         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1598         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1599         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1600         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1601         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1602                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1603 
1604         /* Set Bandwidth and sub-channel settings. */
1605         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1606                 if (tcb_desc->bPacketBW) {
1607                         tx_fwinfo->TxBandwidth = 1;
1608                         /* use duplicated mode */
1609                         tx_fwinfo->TxSubCarrier = 0;
1610                 } else {
1611                         tx_fwinfo->TxBandwidth = 0;
1612                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1613                 }
1614         } else {
1615                 tx_fwinfo->TxBandwidth = 0;
1616                 tx_fwinfo->TxSubCarrier = 0;
1617         }
1618 
1619         /* Fill Tx descriptor */
1620         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1621         /* DWORD 0 */
1622         tx_desc->LINIP = 0;
1623         tx_desc->CmdInit = 1;
1624         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1625         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1626 
1627         /*DWORD 1*/
1628         tx_desc->SecCAMID = 0;
1629         tx_desc->RATid = tcb_desc->RATRIndex;
1630         tx_desc->NoEnc = 1;
1631         tx_desc->SecType = 0x0;
1632         if (tcb_desc->bHwSec) {
1633                 switch (priv->ieee80211->pairwise_key_type) {
1634                 case KEY_TYPE_WEP40:
1635                 case KEY_TYPE_WEP104:
1636                         tx_desc->SecType = 0x1;
1637                         tx_desc->NoEnc = 0;
1638                         break;
1639                 case KEY_TYPE_TKIP:
1640                         tx_desc->SecType = 0x2;
1641                         tx_desc->NoEnc = 0;
1642                         break;
1643                 case KEY_TYPE_CCMP:
1644                         tx_desc->SecType = 0x3;
1645                         tx_desc->NoEnc = 0;
1646                         break;
1647                 case KEY_TYPE_NA:
1648                         tx_desc->SecType = 0x0;
1649                         tx_desc->NoEnc = 1;
1650                         break;
1651                 }
1652         }
1653 
1654         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1655         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1656 
1657         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1658         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1659 
1660         /* Fill fields that are required to be initialized in
1661          * all of the descriptors
1662          */
1663         /* DWORD 0 */
1664         tx_desc->FirstSeg = 1;
1665         tx_desc->LastSeg = 1;
1666         tx_desc->OWN = 1;
1667 
1668         /* DWORD 2 */
1669         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1670         idx_pipe = 0x5;
1671 
1672         /* To submit bulk urb */
1673         usb_fill_bulk_urb(tx_urb, udev,
1674                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1675                           skb->len, rtl8192_tx_isr, skb);
1676 
1677         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1678         if (!status) {
1679                 /* We need to send 0 byte packet whenever
1680                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1681                  * been transmitted. Otherwise, it will be halt to wait for
1682                  * another packet.
1683                  */
1684                 bool bSend0Byte = false;
1685                 u8 zero = 0;
1686 
1687                 if (udev->speed == USB_SPEED_HIGH) {
1688                         if (skb->len > 0 && skb->len % 512 == 0)
1689                                 bSend0Byte = true;
1690                 } else {
1691                         if (skb->len > 0 && skb->len % 64 == 0)
1692                                 bSend0Byte = true;
1693                 }
1694                 if (bSend0Byte) {
1695                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1696                         if (!tx_urb_zero) {
1697                                 RT_TRACE(COMP_ERR,
1698                                          "can't alloc urb for zero byte\n");
1699                                 return -ENOMEM;
1700                         }
1701                         usb_fill_bulk_urb(tx_urb_zero, udev,
1702                                           usb_sndbulkpipe(udev, idx_pipe),
1703                                           &zero, 0, tx_zero_isr, dev);
1704                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1705                         if (status) {
1706                                 RT_TRACE(COMP_ERR,
1707                                          "Error TX URB for zero byte %d, error %d",
1708                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1709                                          status);
1710                                 return -1;
1711                         }
1712                 }
1713                 dev->trans_start = jiffies;
1714                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1715                 return 0;
1716         }
1717 
1718         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1719                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1720                  status);
1721         return -1;
1722 }
1723 
1724 static short rtl8192_usb_initendpoints(struct net_device *dev)
1725 {
1726         struct r8192_priv *priv = ieee80211_priv(dev);
1727 
1728         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1729                                GFP_KERNEL);
1730         if (priv->rx_urb == NULL)
1731                 return -ENOMEM;
1732 
1733 #ifndef JACKSON_NEW_RX
1734         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1735 
1736                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1737 
1738                 priv->rx_urb[i]->transfer_buffer =
1739                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1740 
1741                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1742         }
1743 #endif
1744 
1745 #ifdef THOMAS_BEACON
1746         {
1747                 long align = 0;
1748                 void *oldaddr, *newaddr;
1749 
1750                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1751                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1752                 oldaddr = priv->oldaddr;
1753                 align = ((long)oldaddr) & 3;
1754                 if (align) {
1755                         newaddr = oldaddr + 4 - align;
1756                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1757                 } else {
1758                         newaddr = oldaddr;
1759                         priv->rx_urb[16]->transfer_buffer_length = 16;
1760                 }
1761                 priv->rx_urb[16]->transfer_buffer = newaddr;
1762         }
1763 #endif
1764 
1765         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1766         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1767                                  GFP_KERNEL);
1768         if (!priv->pp_rxskb) {
1769                 kfree(priv->rx_urb);
1770 
1771                 priv->pp_rxskb = NULL;
1772                 priv->rx_urb = NULL;
1773 
1774                 DMESGE("Endpoint Alloc Failure");
1775                 return -ENOMEM;
1776         }
1777 
1778         netdev_dbg(dev, "End of initendpoints\n");
1779         return 0;
1780 
1781 }
1782 #ifdef THOMAS_BEACON
1783 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1784 {
1785         int i;
1786         struct r8192_priv *priv = ieee80211_priv(dev);
1787 
1788         if (priv->rx_urb) {
1789                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1790                         usb_kill_urb(priv->rx_urb[i]);
1791                         usb_free_urb(priv->rx_urb[i]);
1792                 }
1793                 kfree(priv->rx_urb);
1794                 priv->rx_urb = NULL;
1795         }
1796         kfree(priv->oldaddr);
1797         priv->oldaddr = NULL;
1798 
1799         kfree(priv->pp_rxskb);
1800         priv->pp_rxskb = NULL;
1801 }
1802 #else
1803 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1804 {
1805         int i;
1806         struct r8192_priv *priv = ieee80211_priv(dev);
1807 
1808 #ifndef JACKSON_NEW_RX
1809 
1810         if (priv->rx_urb) {
1811                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1812                         usb_kill_urb(priv->rx_urb[i]);
1813                         kfree(priv->rx_urb[i]->transfer_buffer);
1814                         usb_free_urb(priv->rx_urb[i]);
1815                 }
1816                 kfree(priv->rx_urb);
1817                 priv->rx_urb = NULL;
1818 
1819         }
1820 #else
1821         kfree(priv->rx_urb);
1822         priv->rx_urb = NULL;
1823         kfree(priv->oldaddr);
1824         priv->oldaddr = NULL;
1825 
1826         kfree(priv->pp_rxskb);
1827         priv->pp_rxskb = 0;
1828 
1829 #endif
1830 }
1831 #endif
1832 
1833 static void rtl8192_update_ratr_table(struct net_device *dev);
1834 static void rtl8192_link_change(struct net_device *dev)
1835 {
1836         struct r8192_priv *priv = ieee80211_priv(dev);
1837         struct ieee80211_device *ieee = priv->ieee80211;
1838 
1839         if (ieee->state == IEEE80211_LINKED) {
1840                 rtl8192_net_update(dev);
1841                 rtl8192_update_ratr_table(dev);
1842                 /* Add this as in pure N mode, wep encryption will use software
1843                  * way, but there is no chance to set this as wep will not set
1844                  * group key in wext.
1845                  */
1846                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1847                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1848                         EnableHWSecurityConfig8192(dev);
1849         }
1850         /*update timing params*/
1851         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1852                 u32 reg = 0;
1853 
1854                 read_nic_dword(dev, RCR, &reg);
1855                 if (priv->ieee80211->state == IEEE80211_LINKED)
1856                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1857                 else
1858                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1859                 write_nic_dword(dev, RCR, reg);
1860         }
1861 }
1862 
1863 static struct ieee80211_qos_parameters def_qos_parameters = {
1864         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1865         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1866         {2, 2, 2, 2},/* aifs */
1867         {0, 0, 0, 0},/* flags */
1868         {0, 0, 0, 0} /* tx_op_limit */
1869 };
1870 
1871 
1872 static void rtl8192_update_beacon(struct work_struct *work)
1873 {
1874         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1875                                                update_beacon_wq.work);
1876         struct net_device *dev = priv->ieee80211->dev;
1877         struct ieee80211_device *ieee = priv->ieee80211;
1878         struct ieee80211_network *net = &ieee->current_network;
1879 
1880         if (ieee->pHTInfo->bCurrentHTSupport)
1881                 HTUpdateSelfAndPeerSetting(ieee, net);
1882         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1883                 net->bssht.bdRT2RTLongSlotTime;
1884         rtl8192_update_cap(dev, net->capability);
1885 }
1886 /*
1887 * background support to run QoS activate functionality
1888 */
1889 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1890                              EDCAPARA_VI, EDCAPARA_VO};
1891 static void rtl8192_qos_activate(struct work_struct *work)
1892 {
1893         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1894                                                qos_activate);
1895         struct net_device *dev = priv->ieee80211->dev;
1896         struct ieee80211_qos_parameters *qos_parameters =
1897                 &priv->ieee80211->current_network.qos_data.parameters;
1898         u8 mode = priv->ieee80211->current_network.mode;
1899         u32  u1bAIFS;
1900         u32 u4bAcParam;
1901         u32 op_limit;
1902         u32 cw_max;
1903         u32 cw_min;
1904         int i;
1905 
1906         mutex_lock(&priv->mutex);
1907         if (priv->ieee80211->state != IEEE80211_LINKED)
1908                 goto success;
1909         RT_TRACE(COMP_QOS,
1910                  "qos active process with associate response received\n");
1911         /* It better set slot time at first
1912          *
1913          * For we just support b/g mode at present, let the slot time at
1914          * 9/20 selection
1915          *
1916          * update the ac parameter to related registers
1917          */
1918         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1919                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1920                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1921                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1922                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1923                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1924                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1925                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1926                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1927                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1928                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1929                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1930         }
1931 
1932 success:
1933         mutex_unlock(&priv->mutex);
1934 }
1935 
1936 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1937                                              int active_network,
1938                                              struct ieee80211_network *network)
1939 {
1940         int ret = 0;
1941         u32 size = sizeof(struct ieee80211_qos_parameters);
1942 
1943         if (priv->ieee80211->state != IEEE80211_LINKED)
1944                 return ret;
1945 
1946         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1947                 return ret;
1948 
1949         if (network->flags & NETWORK_HAS_QOS_MASK) {
1950                 if (active_network &&
1951                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1952                         network->qos_data.active = network->qos_data.supported;
1953 
1954                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1955                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1956                     (network->qos_data.old_param_count !=
1957                      network->qos_data.param_count)) {
1958                         network->qos_data.old_param_count =
1959                                 network->qos_data.param_count;
1960                         queue_work(priv->priv_wq, &priv->qos_activate);
1961                         RT_TRACE(COMP_QOS,
1962                                  "QoS parameters change call qos_activate\n");
1963                 }
1964         } else {
1965                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1966                        &def_qos_parameters, size);
1967 
1968                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1969                         queue_work(priv->priv_wq, &priv->qos_activate);
1970                         RT_TRACE(COMP_QOS,
1971                                  "QoS was disabled call qos_activate\n");
1972                 }
1973                 network->qos_data.active = 0;
1974                 network->qos_data.supported = 0;
1975         }
1976 
1977         return 0;
1978 }
1979 
1980 /* handle and manage frame from beacon and probe response */
1981 static int rtl8192_handle_beacon(struct net_device *dev,
1982                                  struct ieee80211_beacon *beacon,
1983                                  struct ieee80211_network *network)
1984 {
1985         struct r8192_priv *priv = ieee80211_priv(dev);
1986 
1987         rtl8192_qos_handle_probe_response(priv, 1, network);
1988         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1989         return 0;
1990 
1991 }
1992 
1993 /*
1994 * handling the beaconing responses. if we get different QoS setting
1995 * off the network from the associated setting, adjust the QoS
1996 * setting
1997 */
1998 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1999                                         struct ieee80211_network *network)
2000 {
2001         unsigned long flags;
2002         u32 size = sizeof(struct ieee80211_qos_parameters);
2003         int set_qos_param = 0;
2004 
2005         if ((priv == NULL) || (network == NULL))
2006                 return 0;
2007 
2008         if (priv->ieee80211->state != IEEE80211_LINKED)
2009                 return 0;
2010 
2011         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
2012                 return 0;
2013 
2014         spin_lock_irqsave(&priv->ieee80211->lock, flags);
2015         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2016                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2017                        &network->qos_data.parameters,
2018                        sizeof(struct ieee80211_qos_parameters));
2019                 priv->ieee80211->current_network.qos_data.active = 1;
2020                 set_qos_param = 1;
2021                 /* update qos parameter for current network */
2022                 priv->ieee80211->current_network.qos_data.old_param_count =
2023                         priv->ieee80211->current_network.qos_data.param_count;
2024                 priv->ieee80211->current_network.qos_data.param_count =
2025                         network->qos_data.param_count;
2026         } else {
2027                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
2028                        &def_qos_parameters, size);
2029                 priv->ieee80211->current_network.qos_data.active = 0;
2030                 priv->ieee80211->current_network.qos_data.supported = 0;
2031                 set_qos_param = 1;
2032         }
2033 
2034         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2035 
2036         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
2037                  network->flags,
2038                  priv->ieee80211->current_network.qos_data.active);
2039         if (set_qos_param == 1)
2040                 queue_work(priv->priv_wq, &priv->qos_activate);
2041 
2042 
2043         return 0;
2044 }
2045 
2046 
2047 static int rtl8192_handle_assoc_response(
2048                 struct net_device *dev,
2049                 struct ieee80211_assoc_response_frame *resp,
2050                 struct ieee80211_network *network)
2051 {
2052         struct r8192_priv *priv = ieee80211_priv(dev);
2053 
2054         rtl8192_qos_association_resp(priv, network);
2055         return 0;
2056 }
2057 
2058 
2059 static void rtl8192_update_ratr_table(struct net_device *dev)
2060 {
2061         struct r8192_priv *priv = ieee80211_priv(dev);
2062         struct ieee80211_device *ieee = priv->ieee80211;
2063         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2064         u32 ratr_value = 0;
2065         u8 rate_index = 0;
2066 
2067         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2068         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2069         switch (ieee->mode) {
2070         case IEEE_A:
2071                 ratr_value &= 0x00000FF0;
2072                 break;
2073         case IEEE_B:
2074                 ratr_value &= 0x0000000F;
2075                 break;
2076         case IEEE_G:
2077                 ratr_value &= 0x00000FF7;
2078                 break;
2079         case IEEE_N_24G:
2080         case IEEE_N_5G:
2081                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2082                         ratr_value &= 0x0007F007;
2083                 } else {
2084                         if (priv->rf_type == RF_1T2R)
2085                                 ratr_value &= 0x000FF007;
2086                         else
2087                                 ratr_value &= 0x0F81F007;
2088                 }
2089                 break;
2090         default:
2091                 break;
2092         }
2093         ratr_value &= 0x0FFFFFFF;
2094         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2095                 ratr_value |= 0x80000000;
2096         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2097                  ieee->pHTInfo->bCurShortGI20MHz)
2098                 ratr_value |= 0x80000000;
2099         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2100         write_nic_byte(dev, UFWP, 1);
2101 }
2102 
2103 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2104 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2105 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2106 {
2107         struct r8192_priv *priv = ieee80211_priv(dev);
2108         struct ieee80211_device *ieee = priv->ieee80211;
2109         struct ieee80211_network *network = &ieee->current_network;
2110         int wpa_ie_len = ieee->wpa_ie_len;
2111         struct ieee80211_crypt_data *crypt;
2112         int encrypt;
2113 
2114         crypt = ieee->crypt[ieee->tx_keyidx];
2115         /* we use connecting AP's capability instead of only security config
2116          * on our driver to distinguish whether it should use N mode or G mode
2117          */
2118         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2119                   (ieee->host_encrypt && crypt && crypt->ops &&
2120                    (0 == strcmp(crypt->ops->name, "WEP")));
2121 
2122         /* simply judge  */
2123         if (encrypt && (wpa_ie_len == 0)) {
2124                 /* wep encryption, no N mode setting */
2125                 return false;
2126         } else if ((wpa_ie_len != 0)) {
2127                 /* parse pairwise key type */
2128                 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))))
2129                         return true;
2130                 else
2131                         return false;
2132         } else {
2133                 return true;
2134         }
2135 
2136         return true;
2137 }
2138 
2139 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2140 {
2141         struct r8192_priv *priv = ieee80211_priv(dev);
2142 
2143         return priv->ieee80211->bHalfWirelessN24GMode;
2144 }
2145 
2146 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2147 {
2148         struct ieee80211_device *ieee = priv->ieee80211;
2149         /* We do not consider set support rate for ABG mode, only
2150          * HT MCS rate is set here.
2151          */
2152         if (ieee->mode == WIRELESS_MODE_N_24G ||
2153             ieee->mode == WIRELESS_MODE_N_5G)
2154                 memcpy(ieee->Regdot11HTOperationalRateSet,
2155                        ieee->RegHTSuppRateSet, 16);
2156         else
2157                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2158 }
2159 
2160 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2161 {
2162         struct r8192_priv *priv = ieee80211_priv(dev);
2163         u8 ret = 0;
2164 
2165         switch (priv->rf_chip) {
2166         case RF_8225:
2167         case RF_8256:
2168         case RF_PSEUDO_11N:
2169                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2170                 break;
2171         case RF_8258:
2172                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2173                 break;
2174         default:
2175                 ret = WIRELESS_MODE_B;
2176                 break;
2177         }
2178         return ret;
2179 }
2180 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2181 {
2182         struct r8192_priv *priv = ieee80211_priv(dev);
2183         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2184 
2185         if (wireless_mode == WIRELESS_MODE_AUTO ||
2186             (wireless_mode & bSupportMode) == 0) {
2187                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2188                         wireless_mode = WIRELESS_MODE_N_24G;
2189                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2190                         wireless_mode = WIRELESS_MODE_N_5G;
2191                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2192                         wireless_mode = WIRELESS_MODE_A;
2193                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2194                         wireless_mode = WIRELESS_MODE_G;
2195                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2196                         wireless_mode = WIRELESS_MODE_B;
2197                 } else {
2198                         RT_TRACE(COMP_ERR,
2199                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2200                                  __func__, bSupportMode);
2201                         wireless_mode = WIRELESS_MODE_B;
2202                 }
2203         }
2204 #ifdef TO_DO_LIST
2205         /* TODO: this function doesn't work well at this time,
2206          * we should wait for FPGA
2207          */
2208         ActUpdateChannelAccessSetting(
2209                         pAdapter, pHalData->CurrentWirelessMode,
2210                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2211 #endif
2212         priv->ieee80211->mode = wireless_mode;
2213 
2214         if (wireless_mode == WIRELESS_MODE_N_24G ||
2215             wireless_mode == WIRELESS_MODE_N_5G)
2216                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2217         else
2218                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2219         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2220         rtl8192_refresh_supportrate(priv);
2221 
2222 }
2223 /* init priv variables here. only non_zero value should be initialized here. */
2224 static void rtl8192_init_priv_variable(struct net_device *dev)
2225 {
2226         struct r8192_priv *priv = ieee80211_priv(dev);
2227         u8 i;
2228 
2229         priv->card_8192 = NIC_8192U;
2230         priv->chan = 1; /* set to channel 1 */
2231         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2232         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2233         priv->ieee80211->ieee_up = 0;
2234         priv->retry_rts = DEFAULT_RETRY_RTS;
2235         priv->retry_data = DEFAULT_RETRY_DATA;
2236         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2237         priv->ieee80211->rate = 110; /* 11 mbps */
2238         priv->ieee80211->short_slot = 1;
2239         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2240         priv->CckPwEnl = 6;
2241         /* for silent reset */
2242         priv->IrpPendingCount = 1;
2243         priv->ResetProgress = RESET_TYPE_NORESET;
2244         priv->bForcedSilentReset = false;
2245         priv->bDisableNormalResetCheck = false;
2246         priv->force_reset = false;
2247 
2248         /* we don't use FW read/write RF until stable firmware is available. */
2249         priv->ieee80211->FwRWRF = 0;
2250         priv->ieee80211->current_network.beacon_interval =
2251                 DEFAULT_BEACONINTERVAL;
2252         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2253                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2254                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2255                 IEEE_SOFTMAC_BEACONS;
2256 
2257         priv->ieee80211->active_scan = 1;
2258         priv->ieee80211->modulation =
2259                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2260         priv->ieee80211->host_encrypt = 1;
2261         priv->ieee80211->host_decrypt = 1;
2262         priv->ieee80211->start_send_beacons = NULL;
2263         priv->ieee80211->stop_send_beacons = NULL;
2264         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2265         priv->ieee80211->set_chan = rtl8192_set_chan;
2266         priv->ieee80211->link_change = rtl8192_link_change;
2267         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2268         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2269         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2270         priv->ieee80211->init_wmmparam_flag = 0;
2271         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2272         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2273         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2274         priv->ieee80211->qos_support = 1;
2275 
2276         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2277         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2278         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2279 
2280         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2281         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2282                 GetHalfNmodeSupportByAPs819xUsb;
2283         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2284 
2285         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2286         priv->card_type = USB;
2287 #ifdef TO_DO_LIST
2288         if (Adapter->bInHctTest) {
2289                 pHalData->ShortRetryLimit = 7;
2290                 pHalData->LongRetryLimit = 7;
2291         }
2292 #endif
2293         priv->ShortRetryLimit = 0x30;
2294         priv->LongRetryLimit = 0x30;
2295         priv->EarlyRxThreshold = 7;
2296         priv->enable_gpio0 = 0;
2297         priv->TransmitConfig =
2298                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2299                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2300                 /* Short retry limit */
2301                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2302                 /* Long retry limit */
2303                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2304                 /* FALSE: HW provides PLCP length and LENGEXT
2305                  * TRUE: SW provides them
2306                  */
2307                 (false ? TCR_SAT : 0);
2308 #ifdef TO_DO_LIST
2309         if (Adapter->bInHctTest)
2310                 pHalData->ReceiveConfig =
2311                         pHalData->CSMethod |
2312                         /* accept management/data */
2313                         RCR_AMF | RCR_ADF |
2314                         /* accept control frame for SW
2315                          * AP needs PS-poll
2316                          */
2317                         RCR_ACF |
2318                         /* accept BC/MC/UC */
2319                         RCR_AB | RCR_AM | RCR_APM |
2320                         /* accept ICV/CRC error
2321                          * packet
2322                          */
2323                         RCR_AICV | RCR_ACRC32 |
2324                         /* Max DMA Burst Size per Tx
2325                          * DMA Burst, 7: unlimited.
2326                          */
2327                         ((u32)7 << RCR_MXDMA_OFFSET) |
2328                         /* Rx FIFO Threshold,
2329                          * 7: No Rx threshold.
2330                          */
2331                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2332                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2333         else
2334 
2335 #endif
2336         priv->ReceiveConfig     =
2337                 /* accept management/data */
2338                 RCR_AMF | RCR_ADF |
2339                 /* accept control frame for SW AP needs PS-poll */
2340                 RCR_ACF |
2341                 /* accept BC/MC/UC */
2342                 RCR_AB | RCR_AM | RCR_APM |
2343                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2344                 ((u32)7 << RCR_MXDMA_OFFSET) |
2345                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2346                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2347                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2348 
2349         priv->AcmControl = 0;
2350         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2351 
2352         /* rx related queue */
2353         skb_queue_head_init(&priv->rx_queue);
2354         skb_queue_head_init(&priv->skb_queue);
2355 
2356         /* Tx related queue */
2357         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2358                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2359         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2360                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2361         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2362                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2363         priv->rf_set_chan = rtl8192_phy_SwChnl;
2364 }
2365 
2366 /* init lock here */
2367 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2368 {
2369         spin_lock_init(&priv->tx_lock);
2370         spin_lock_init(&priv->irq_lock);
2371         sema_init(&priv->wx_sem, 1);
2372         sema_init(&priv->rf_sem, 1);
2373         mutex_init(&priv->mutex);
2374 }
2375 
2376 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2377 
2378 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2379 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2380 #define DRV_NAME "wlan0"
2381 static void rtl8192_init_priv_task(struct net_device *dev)
2382 {
2383         struct r8192_priv *priv = ieee80211_priv(dev);
2384 
2385         priv->priv_wq = create_workqueue(DRV_NAME);
2386 
2387         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2388 
2389         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2390                           rtl819x_watchdog_wqcallback);
2391         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2392                           dm_txpower_trackingcallback);
2393         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2394                           dm_rf_pathcheck_workitemcallback);
2395         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2396                           rtl8192_update_beacon);
2397         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2398                           InitialGainOperateWorkItemCallBack);
2399         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2400 
2401         tasklet_init(&priv->irq_rx_tasklet,
2402                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2403                      (unsigned long)priv);
2404 }
2405 
2406 static void rtl8192_get_eeprom_size(struct net_device *dev)
2407 {
2408         u16 curCR = 0;
2409         struct r8192_priv *priv = ieee80211_priv(dev);
2410 
2411         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2412         read_nic_word_E(dev, EPROM_CMD, &curCR);
2413         RT_TRACE(COMP_EPROM,
2414                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2415         /* whether need I consider BIT(5?) */
2416         priv->epromtype =
2417                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2418         RT_TRACE(COMP_EPROM,
2419                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2420 }
2421 
2422 /* used to swap endian. as ntohl & htonl are not necessary
2423  * to swap endian, so use this instead.
2424  */
2425 static inline u16 endian_swap(u16 *data)
2426 {
2427         u16 tmp = *data;
2428         *data = (tmp >> 8) | (tmp << 8);
2429         return *data;
2430 }
2431 static void rtl8192_read_eeprom_info(struct net_device *dev)
2432 {
2433         u16 wEPROM_ID = 0;
2434         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2435         u8 bLoad_From_EEPOM = false;
2436         struct r8192_priv *priv = ieee80211_priv(dev);
2437         u16 tmpValue = 0;
2438         int i;
2439 
2440         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2441         wEPROM_ID = eprom_read(dev, 0); /* first read EEPROM ID out; */
2442         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2443 
2444         if (wEPROM_ID != RTL8190_EEPROM_ID)
2445                 RT_TRACE(COMP_ERR,
2446                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2447                          wEPROM_ID, RTL8190_EEPROM_ID);
2448         else
2449                 bLoad_From_EEPOM = true;
2450 
2451         if (bLoad_From_EEPOM) {
2452                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2453                 priv->eeprom_vid = endian_swap(&tmpValue);
2454                 priv->eeprom_pid = eprom_read(dev, EEPROM_PID >> 1);
2455                 tmpValue = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2456                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2457                 priv->btxpowerdata_readfromEEPORM = true;
2458                 priv->eeprom_CustomerID =
2459                         eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2460         } else {
2461                 priv->eeprom_vid = 0;
2462                 priv->eeprom_pid = 0;
2463                 priv->card_8192_version = VERSION_819xU_B;
2464                 priv->eeprom_ChannelPlan = 0;
2465                 priv->eeprom_CustomerID = 0;
2466         }
2467         RT_TRACE(COMP_EPROM,
2468                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2469                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2470                  priv->eeprom_ChannelPlan);
2471         /* set channelplan from eeprom */
2472         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2473         if (bLoad_From_EEPOM) {
2474                 int i;
2475 
2476                 for (i = 0; i < 6; i += 2) {
2477                         u16 tmp = 0;
2478 
2479                         tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2480                         *(u16 *)(&dev->dev_addr[i]) = tmp;
2481                 }
2482         } else {
2483                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2484                 /* should I set IDR0 here? */
2485         }
2486         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2487         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2488         priv->rf_chip = RF_8256;
2489 
2490         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2491                 /* read Tx power gain offset of legacy OFDM to HT rate */
2492                 if (bLoad_From_EEPOM)
2493                         priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff >> 1)) & 0xff00) >> 8;
2494                 else
2495                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2496                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2497                 /* read ThermalMeter from EEPROM */
2498                 if (bLoad_From_EEPOM)
2499                         priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter >> 1)) & 0x00ff);
2500                 else
2501                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2502                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2503                 /* for tx power track */
2504                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2505                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2506                 if (bLoad_From_EEPOM)
2507                         priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff >> 1)) & 0x0f00) >> 8;
2508                 else
2509                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2510                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2511                 /* Read CrystalCap from EEPROM */
2512                 if (bLoad_From_EEPOM)
2513                         priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap >> 1)) & 0x0f);
2514                 else
2515                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2516                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2517                 /* get per-channel Tx power level */
2518                 if (bLoad_From_EEPOM)
2519                         priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)) & 0xff00) >> 8;
2520                 else
2521                         priv->EEPROM_Def_Ver = 1;
2522                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2523                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2524                         int i;
2525 
2526                         if (bLoad_From_EEPOM)
2527                                 priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)) & 0xff) >> 8;
2528                         else
2529                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2530                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2531                         for (i = 0; i < 3; i++) {
2532                                 if (bLoad_From_EEPOM) {
2533                                         tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2534                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2535                                                 tmpValue = tmpValue & 0x00ff;
2536                                         else
2537                                                 tmpValue = (tmpValue & 0xff00) >> 8;
2538                                 } else {
2539                                         tmpValue = 0x10;
2540                                 }
2541                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2542                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2543                         }
2544                 } else if (priv->EEPROM_Def_Ver == 1) {
2545                         if (bLoad_From_EEPOM) {
2546                                 tmpValue = eprom_read(dev,
2547                                                 EEPROM_TxPwIndex_CCK_V1 >> 1);
2548                                 tmpValue = (tmpValue & 0xff00) >> 8;
2549                         } else {
2550                                 tmpValue = 0x10;
2551                         }
2552                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2553 
2554                         if (bLoad_From_EEPOM)
2555                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2556                         else
2557                                 tmpValue = 0x1010;
2558                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2559                         if (bLoad_From_EEPOM)
2560                                 tmpValue = eprom_read(dev,
2561                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2562                         else
2563                                 tmpValue = 0x1010;
2564                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2565                         if (bLoad_From_EEPOM)
2566                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2567                         else
2568                                 tmpValue = 0x10;
2569                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2570                 } /* endif EEPROM_Def_Ver == 1 */
2571 
2572                 /* update HAL variables */
2573                 for (i = 0; i < 14; i++) {
2574                         if (i <= 3)
2575                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2576                         else if (i >= 4 && i <= 9)
2577                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2578                         else
2579                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2580                 }
2581 
2582                 for (i = 0; i < 14; i++) {
2583                         if (priv->EEPROM_Def_Ver == 0) {
2584                                 if (i <= 3)
2585                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2586                                 else if (i >= 4 && i <= 9)
2587                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2588                                 else
2589                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2590                         } else if (priv->EEPROM_Def_Ver == 1) {
2591                                 if (i <= 3)
2592                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2593                                 else if (i >= 4 && i <= 9)
2594                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2595                                 else
2596                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2597                         }
2598                 }
2599                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2600                 /* Antenna B gain offset to antenna A, bit0~3 */
2601                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2602                 /* Antenna C gain offset to antenna A, bit4~7 */
2603                 priv->AntennaTxPwDiff[1] =
2604                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2605                 /* CrystalCap, bit12~15 */
2606                 priv->CrystalCap = priv->EEPROMCrystalCap;
2607                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2608                  * 92U does not enable TX power tracking.
2609                  */
2610                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2611         } /* end if VersionID == VERSION_819xU_A */
2612 
2613         /* for dlink led */
2614         switch (priv->eeprom_CustomerID) {
2615         case EEPROM_CID_RUNTOP:
2616                 priv->CustomerID = RT_CID_819x_RUNTOP;
2617                 break;
2618 
2619         case EEPROM_CID_DLINK:
2620                 priv->CustomerID = RT_CID_DLINK;
2621                 break;
2622 
2623         default:
2624                 priv->CustomerID = RT_CID_DEFAULT;
2625                 break;
2626 
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 
2645         if (priv->rf_type == RF_1T2R)
2646                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2647         else
2648                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2649 
2650         /* We can only know RF type in the function. So we have to init
2651          * DIG RATR table again.
2652          */
2653         init_rate_adaptive(dev);
2654 
2655         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2656 }
2657 
2658 static short rtl8192_get_channel_map(struct net_device *dev)
2659 {
2660         struct r8192_priv *priv = ieee80211_priv(dev);
2661 
2662         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2663                 netdev_err(dev,
2664                            "rtl8180_init: Error channel plan! Set to default.\n");
2665                 priv->ChannelPlan = 0;
2666         }
2667         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2668 
2669         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2670         return 0;
2671 }
2672 
2673 static short rtl8192_init(struct net_device *dev)
2674 {
2675 
2676         struct r8192_priv *priv = ieee80211_priv(dev);
2677 
2678         memset(&(priv->stats), 0, sizeof(struct Stats));
2679         memset(priv->txqueue_to_outpipemap, 0, 9);
2680 #ifdef PIPE12
2681         {
2682                 int i = 0;
2683                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2684 
2685                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2686         }
2687 #else
2688         {
2689                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2690 
2691                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2692         }
2693 #endif
2694         rtl8192_init_priv_variable(dev);
2695         rtl8192_init_priv_lock(priv);
2696         rtl8192_init_priv_task(dev);
2697         rtl8192_get_eeprom_size(dev);
2698         rtl8192_read_eeprom_info(dev);
2699         rtl8192_get_channel_map(dev);
2700         init_hal_dm(dev);
2701         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2702                     (unsigned long)dev);
2703         if (rtl8192_usb_initendpoints(dev) != 0) {
2704                 DMESG("Endopoints initialization failed");
2705                 return -ENOMEM;
2706         }
2707 
2708         return 0;
2709 }
2710 
2711 /******************************************************************************
2712  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2713  *           not to do all the hw config as its name says
2714  *   input:  net_device dev
2715  *  output:  none
2716  *  return:  none
2717  *  notice:  This part need to modified according to the rate set we filtered
2718  * ****************************************************************************/
2719 static void rtl8192_hwconfig(struct net_device *dev)
2720 {
2721         u32 regRATR = 0, regRRSR = 0;
2722         u8 regBwOpMode = 0, regTmp = 0;
2723         struct r8192_priv *priv = ieee80211_priv(dev);
2724         u32 ratr_value = 0;
2725 
2726         /* Set RRSR, RATR, and BW_OPMODE registers */
2727         switch (priv->ieee80211->mode) {
2728         case WIRELESS_MODE_B:
2729                 regBwOpMode = BW_OPMODE_20MHZ;
2730                 regRATR = RATE_ALL_CCK;
2731                 regRRSR = RATE_ALL_CCK;
2732                 break;
2733         case WIRELESS_MODE_A:
2734                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2735                 regRATR = RATE_ALL_OFDM_AG;
2736                 regRRSR = RATE_ALL_OFDM_AG;
2737                 break;
2738         case WIRELESS_MODE_G:
2739                 regBwOpMode = BW_OPMODE_20MHZ;
2740                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2741                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2742                 break;
2743         case WIRELESS_MODE_AUTO:
2744 #ifdef TO_DO_LIST
2745                 if (Adapter->bInHctTest) {
2746                         regBwOpMode = BW_OPMODE_20MHZ;
2747                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2748                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2749                 } else
2750 #endif
2751                 {
2752                         regBwOpMode = BW_OPMODE_20MHZ;
2753                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2754                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2755                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2756                 }
2757                 break;
2758         case WIRELESS_MODE_N_24G:
2759                 /* It support CCK rate by default. CCK rate will be filtered
2760                  * out only when associated AP does not support it.
2761                  */
2762                 regBwOpMode = BW_OPMODE_20MHZ;
2763                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2764                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2765                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2766                 break;
2767         case WIRELESS_MODE_N_5G:
2768                 regBwOpMode = BW_OPMODE_5G;
2769                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2770                           RATE_ALL_OFDM_2SS;
2771                 regRRSR = RATE_ALL_OFDM_AG;
2772                 break;
2773         }
2774 
2775         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2776         ratr_value = regRATR;
2777         if (priv->rf_type == RF_1T2R)
2778                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2779         write_nic_dword(dev, RATR0, ratr_value);
2780         write_nic_byte(dev, UFWP, 1);
2781         read_nic_byte(dev, 0x313, &regTmp);
2782         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2783         write_nic_dword(dev, RRSR, regRRSR);
2784 
2785         /* Set Retry Limit here */
2786         write_nic_word(dev, RETRY_LIMIT,
2787                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2788                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2789         /* Set Contention Window here */
2790 
2791         /* Set Tx AGC */
2792 
2793         /* Set Tx Antenna including Feedback control */
2794 
2795         /* Set Auto Rate fallback control */
2796 
2797 
2798 }
2799 
2800 
2801 /* InitializeAdapter and PhyCfg */
2802 static bool rtl8192_adapter_start(struct net_device *dev)
2803 {
2804         struct r8192_priv *priv = ieee80211_priv(dev);
2805         u32 dwRegRead = 0;
2806         bool init_status = true;
2807         u8 SECR_value = 0x0;
2808         u8 tmp;
2809 
2810         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2811         priv->Rf_Mode = RF_OP_By_SW_3wire;
2812         /* for ASIC power on sequence */
2813         write_nic_byte_E(dev, 0x5f, 0x80);
2814         mdelay(50);
2815         write_nic_byte_E(dev, 0x5f, 0xf0);
2816         write_nic_byte_E(dev, 0x5d, 0x00);
2817         write_nic_byte_E(dev, 0x5e, 0x80);
2818         write_nic_byte(dev, 0x17, 0x37);
2819         mdelay(10);
2820         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2821         /* config CPUReset Register */
2822         /* Firmware Reset or not? */
2823         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2824         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2825                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2826         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2827                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2828         else
2829                 RT_TRACE(COMP_ERR,
2830                          "ERROR in %s(): undefined firmware state(%d)\n",
2831                          __func__,   priv->pFirmware->firmware_status);
2832 
2833         write_nic_dword(dev, CPU_GEN, dwRegRead);
2834         /* config BB. */
2835         rtl8192_BBConfig(dev);
2836 
2837         /* Loopback mode or not */
2838         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2839 
2840         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2841         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2842                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2843                             CPU_GEN_NO_LOOPBACK_SET;
2844         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2845                 dwRegRead |= CPU_CCK_LOOPBACK;
2846         else
2847                 RT_TRACE(COMP_ERR,
2848                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2849                          __func__,  priv->LoopbackMode);
2850 
2851         write_nic_dword(dev, CPU_GEN, dwRegRead);
2852 
2853         /* after reset cpu, we need wait for a seconds to write in register. */
2854         udelay(500);
2855 
2856         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2857         read_nic_byte_E(dev, 0x5f, &tmp);
2858         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2859 
2860         /* Set Hardware */
2861         rtl8192_hwconfig(dev);
2862 
2863         /* turn on Tx/Rx */
2864         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2865 
2866         /* set IDR0 here */
2867         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2868         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2869 
2870         /* set RCR */
2871         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2872 
2873         /* Initialize Number of Reserved Pages in Firmware Queue */
2874         write_nic_dword(dev, RQPN1,
2875                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2876                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2877                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2878                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2879         write_nic_dword(dev, RQPN2,
2880                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2881                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2882         write_nic_dword(dev, RQPN3,
2883                 APPLIED_RESERVED_QUEUE_IN_FW |
2884                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2885         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2886 
2887         /* Set AckTimeout */
2888         /* TODO: (it value is only for FPGA version). need to be changed!! */
2889         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2890 
2891         if (priv->ResetProgress == RESET_TYPE_NORESET)
2892                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2893         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2894                 CamResetAllEntry(dev);
2895                 SECR_value |= SCR_TxEncEnable;
2896                 SECR_value |= SCR_RxDecEnable;
2897                 SECR_value |= SCR_NoSKMC;
2898                 write_nic_byte(dev, SECR, SECR_value);
2899         }
2900 
2901         /* Beacon related */
2902         write_nic_word(dev, ATIMWND, 2);
2903         write_nic_word(dev, BCN_INTERVAL, 100);
2904 
2905 #define DEFAULT_EDCA 0x005e4332
2906         {
2907                 int i;
2908 
2909                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2910                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2911         }
2912 
2913         rtl8192_phy_configmac(dev);
2914 
2915         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2916                 rtl8192_phy_getTxPower(dev);
2917                 rtl8192_phy_setTxPower(dev, priv->chan);
2918         }
2919 
2920         /* Firmware download */
2921         init_status = init_firmware(dev);
2922         if (!init_status) {
2923                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2924                          __func__);
2925                 return init_status;
2926         }
2927         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2928 
2929 #ifdef TO_DO_LIST
2930         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2931                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2932                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2933                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2934                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2935                         /* Those actions will be discard in MgntActSet_RF_State
2936                          * because of the same state
2937                          */
2938                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2939                                 PHY_SetRFReg(Adapter,
2940                                              (RF90_RADIO_PATH_E)eRFPath,
2941                                              0x4, 0xC00, 0x0);
2942                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2943                         /* H/W or S/W RF OFF before sleep. */
2944                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2945                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2946                                   pMgntInfo->RfOffReason));
2947                         MgntActSet_RF_State(Adapter,
2948                                             eRfOff,
2949                                             pMgntInfo->RfOffReason);
2950                 } else {
2951                         pHalData->eRFPowerState = eRfOn;
2952                         pMgntInfo->RfOffReason = 0;
2953                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2954                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2955                 }
2956         } else {
2957                 if (pHalData->eRFPowerState == eRfOff) {
2958                         MgntActSet_RF_State(Adapter,
2959                                             eRfOff,
2960                                             pMgntInfo->RfOffReason);
2961                         /* Those actions will be discard in MgntActSet_RF_State
2962                          * because of the same state
2963                          */
2964                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2965                                 PHY_SetRFReg(Adapter,
2966                                              (RF90_RADIO_PATH_E)eRFPath,
2967                                              0x4, 0xC00, 0x0);
2968                 }
2969         }
2970 #endif
2971         /* config RF. */
2972         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2973                 rtl8192_phy_RFConfig(dev);
2974                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2975         }
2976 
2977 
2978         if (priv->ieee80211->FwRWRF)
2979                 /* We can force firmware to do RF-R/W */
2980                 priv->Rf_Mode = RF_OP_By_FW;
2981         else
2982                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2983 
2984 
2985         rtl8192_phy_updateInitGain(dev);
2986         /*--set CCK and OFDM Block "ON"--*/
2987         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2988         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2989 
2990         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2991                 /* if D or C cut */
2992                 u8 tmpvalue;
2993 
2994                 read_nic_byte(dev, 0x301, &tmpvalue);
2995                 if (tmpvalue == 0x03) {
2996                         priv->bDcut = true;
2997                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2998                 } else {
2999                         priv->bDcut = false;
3000                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3001                 }
3002                 dm_initialize_txpower_tracking(dev);
3003 
3004                 if (priv->bDcut) {
3005                         u32 i, TempCCk;
3006                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3007                                                          rOFDM0_XATxIQImbalance,
3008                                                          bMaskDWord);
3009 
3010                         for (i = 0; i < TxBBGainTableLength; i++) {
3011                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3012                                         priv->rfa_txpowertrackingindex = (u8)i;
3013                                         priv->rfa_txpowertrackingindex_real =
3014                                                 (u8)i;
3015                                         priv->rfa_txpowertracking_default =
3016                                                 priv->rfa_txpowertrackingindex;
3017                                         break;
3018                                 }
3019                         }
3020 
3021                         TempCCk = rtl8192_QueryBBReg(dev,
3022                                                      rCCK0_TxFilter1,
3023                                                      bMaskByte2);
3024 
3025                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3026 
3027                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3028                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3029                                         break;
3030                                 }
3031                         }
3032                         priv->cck_present_attentuation_40Mdefault = 0;
3033                         priv->cck_present_attentuation_difference = 0;
3034                         priv->cck_present_attentuation =
3035                                 priv->cck_present_attentuation_20Mdefault;
3036 
3037                 }
3038         }
3039         write_nic_byte(dev, 0x87, 0x0);
3040 
3041 
3042         return init_status;
3043 }
3044 
3045 /* this configures registers for beacon tx and enables it via
3046  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3047  * be used to stop beacon transmission
3048  */
3049 /***************************************************************************
3050     -------------------------------NET STUFF---------------------------
3051 ***************************************************************************/
3052 
3053 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3054 {
3055         struct r8192_priv *priv = ieee80211_priv(dev);
3056 
3057         return &priv->ieee80211->stats;
3058 }
3059 
3060 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3061 {
3062         struct r8192_priv *priv = ieee80211_priv(dev);
3063         u16             RegTxCounter;
3064         bool            bStuck = false;
3065 
3066         read_nic_word(dev, 0x128, &RegTxCounter);
3067         RT_TRACE(COMP_RESET,
3068                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3069                  RegTxCounter, priv->TxCounter);
3070         if (priv->TxCounter == RegTxCounter)
3071                 bStuck = true;
3072 
3073         priv->TxCounter = RegTxCounter;
3074 
3075         return bStuck;
3076 }
3077 
3078 /*
3079 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3080 *       First added: 2006.11.19 by emily
3081 */
3082 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3083 {
3084         struct r8192_priv *priv = ieee80211_priv(dev);
3085         u8                      QueueID;
3086         bool                    bCheckFwTxCnt = false;
3087 
3088         /* Decide such threshold according to current power save mode */
3089 
3090         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3091                 if (QueueID == TXCMD_QUEUE)
3092                         continue;
3093                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3094                         continue;
3095 
3096                 bCheckFwTxCnt = true;
3097         }
3098         if (bCheckFwTxCnt) {
3099                 if (HalTxCheckStuck819xUsb(dev)) {
3100                         RT_TRACE(COMP_RESET,
3101                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3102                         return RESET_TYPE_SILENT;
3103                 }
3104         }
3105         return RESET_TYPE_NORESET;
3106 }
3107 
3108 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3109 {
3110         u16     RegRxCounter;
3111         struct r8192_priv *priv = ieee80211_priv(dev);
3112         bool bStuck = false;
3113         static u8       rx_chk_cnt;
3114 
3115         read_nic_word(dev, 0x130, &RegRxCounter);
3116         RT_TRACE(COMP_RESET,
3117                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3118                  RegRxCounter, priv->RxCounter);
3119         /* If rssi is small, we should check rx for long time because of bad rx.
3120          * or maybe it will continuous silent reset every 2 seconds.
3121          */
3122         rx_chk_cnt++;
3123         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3124                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3125         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3126                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3127                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3128                 if (rx_chk_cnt < 2)
3129                         return bStuck;
3130 
3131                 rx_chk_cnt = 0;
3132         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3133                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3134                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3135                 if (rx_chk_cnt < 4)
3136                         return bStuck;
3137 
3138                 rx_chk_cnt = 0;
3139         } else {
3140                 if (rx_chk_cnt < 8)
3141                         return bStuck;
3142 
3143                 rx_chk_cnt = 0;
3144         }
3145 
3146         if (priv->RxCounter == RegRxCounter)
3147                 bStuck = true;
3148 
3149         priv->RxCounter = RegRxCounter;
3150 
3151         return bStuck;
3152 }
3153 
3154 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3155 {
3156         struct r8192_priv *priv = ieee80211_priv(dev);
3157         bool        bRxCheck = false;
3158 
3159         if (priv->IrpPendingCount > 1)
3160                 bRxCheck = true;
3161 
3162         if (bRxCheck) {
3163                 if (HalRxCheckStuck819xUsb(dev)) {
3164                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3165                         return RESET_TYPE_SILENT;
3166                 }
3167         }
3168         return RESET_TYPE_NORESET;
3169 }
3170 
3171 
3172 /**
3173  * This function is called by Checkforhang to check whether we should
3174  * ask OS to reset driver
3175  *
3176  * \param pAdapter      The adapter context for this miniport
3177  *
3178  * Note:NIC with USB interface sholud not call this function because we
3179  * cannot scan descriptor to judge whether there is tx stuck.
3180  * Note: This function may be required to be rewrite for Vista OS.
3181  * <<<Assumption: Tx spinlock has been acquired >>>
3182  *
3183  * 8185 and 8185b does not implement this function.
3184  */
3185 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3186 {
3187         struct r8192_priv *priv = ieee80211_priv(dev);
3188         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3189         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3190         RT_RF_POWER_STATE       rfState;
3191 
3192         rfState = priv->ieee80211->eRFPowerState;
3193 
3194         TxResetType = TxCheckStuck(dev);
3195         if (rfState != eRfOff ||
3196             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3197                 /* If driver is in the status of firmware download failure,
3198                  * driver skips RF initialization and RF is in turned off
3199                  * state. Driver should check whether Rx stuck and do silent
3200                  * reset. And if driver is in firmware download failure status,
3201                  * driver should initialize RF in the following silent reset
3202                  * procedure
3203                  *
3204                  * Driver should not check RX stuck in IBSS mode because it is
3205                  * required to set Check BSSID in order to send beacon,
3206                  * however, if check BSSID is set, STA cannot hear any packet
3207                  * at all.
3208                  */
3209                 RxResetType = RxCheckStuck(dev);
3210         }
3211         if (TxResetType == RESET_TYPE_NORMAL ||
3212             RxResetType == RESET_TYPE_NORMAL) {
3213                 return RESET_TYPE_NORMAL;
3214         } else if (TxResetType == RESET_TYPE_SILENT ||
3215                    RxResetType == RESET_TYPE_SILENT) {
3216                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3217                 return RESET_TYPE_SILENT;
3218         } else {
3219                 return RESET_TYPE_NORESET;
3220         }
3221 
3222 }
3223 
3224 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3225 static int _rtl8192_up(struct net_device *dev);
3226 static int rtl8192_close(struct net_device *dev);
3227 
3228 
3229 
3230 static void CamRestoreAllEntry(struct net_device *dev)
3231 {
3232         u8 EntryId = 0;
3233         struct r8192_priv *priv = ieee80211_priv(dev);
3234         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3235 
3236         static u8       CAM_CONST_ADDR[4][6] = {
3237                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3238                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3239                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3240                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3241         static u8       CAM_CONST_BROAD[] = {
3242                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3243 
3244         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3245 
3246 
3247         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3248             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3249 
3250                 for (EntryId = 0; EntryId < 4; EntryId++) {
3251                         MacAddr = CAM_CONST_ADDR[EntryId];
3252                         setKey(dev, EntryId, EntryId,
3253                                priv->ieee80211->pairwise_key_type,
3254                                MacAddr, 0, NULL);
3255                 }
3256 
3257         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3258 
3259                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3260                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3261                                (u8 *)dev->dev_addr, 0, NULL);
3262                 else
3263                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3264                                MacAddr, 0, NULL);
3265         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3266 
3267                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3268                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3269                                (u8 *)dev->dev_addr, 0, NULL);
3270                 else
3271                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3272                                MacAddr, 0, NULL);
3273         }
3274 
3275 
3276 
3277         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3278                 MacAddr = CAM_CONST_BROAD;
3279                 for (EntryId = 1; EntryId < 4; EntryId++) {
3280                         setKey(dev, EntryId, EntryId,
3281                                priv->ieee80211->group_key_type,
3282                                MacAddr, 0, NULL);
3283                 }
3284                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3285                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3286                                CAM_CONST_ADDR[0], 0, NULL);
3287         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3288                 MacAddr = CAM_CONST_BROAD;
3289                 for (EntryId = 1; EntryId < 4; EntryId++) {
3290                         setKey(dev, EntryId, EntryId,
3291                                priv->ieee80211->group_key_type,
3292                                MacAddr, 0, NULL);
3293                 }
3294 
3295                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3296                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3297                                CAM_CONST_ADDR[0], 0, NULL);
3298         }
3299 }
3300 /* This function is used to fix Tx/Rx stop bug temporarily.
3301  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3302  * The method checking Tx/Rx stuck of this function is supported by FW,
3303  * which reports Tx and Rx counter to register 0x128 and 0x130.
3304  */
3305 static void rtl819x_ifsilentreset(struct net_device *dev)
3306 {
3307         struct r8192_priv *priv = ieee80211_priv(dev);
3308         u8      reset_times = 0;
3309         int reset_status = 0;
3310         struct ieee80211_device *ieee = priv->ieee80211;
3311 
3312 
3313         /* If we need to check CCK stop, please uncomment this line. */
3314         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3315 
3316         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3317 RESET_START:
3318 
3319                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3320 
3321                 /* Set the variable for reset. */
3322                 priv->ResetProgress = RESET_TYPE_SILENT;
3323                 down(&priv->wx_sem);
3324                 if (priv->up == 0) {
3325                         RT_TRACE(COMP_ERR,
3326                                  "%s():the driver is not up! return\n",
3327                                  __func__);
3328                         up(&priv->wx_sem);
3329                         return;
3330                 }
3331                 priv->up = 0;
3332                 RT_TRACE(COMP_RESET,
3333                          "%s():======>start to down the driver\n",
3334                          __func__);
3335 
3336                 rtl8192_rtx_disable(dev);
3337                 rtl8192_cancel_deferred_work(priv);
3338                 deinit_hal_dm(dev);
3339                 del_timer_sync(&priv->watch_dog_timer);
3340 
3341                 ieee->sync_scan_hurryup = 1;
3342                 if (ieee->state == IEEE80211_LINKED) {
3343                         down(&ieee->wx_sem);
3344                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3345                         ieee80211_stop_send_beacons(priv->ieee80211);
3346                         del_timer_sync(&ieee->associate_timer);
3347                         cancel_delayed_work(&ieee->associate_retry_wq);
3348                         ieee80211_stop_scan(ieee);
3349                         netif_carrier_off(dev);
3350                         up(&ieee->wx_sem);
3351                 } else {
3352                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3353                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3354                 }
3355                 up(&priv->wx_sem);
3356                 RT_TRACE(COMP_RESET,
3357                          "%s():<==========down process is finished\n",
3358                          __func__);
3359                 RT_TRACE(COMP_RESET,
3360                          "%s():===========>start up the driver\n",
3361                          __func__);
3362                 reset_status = _rtl8192_up(dev);
3363 
3364                 RT_TRACE(COMP_RESET,
3365                          "%s():<===========up process is finished\n",
3366                          __func__);
3367                 if (reset_status == -EAGAIN) {
3368                         if (reset_times < 3) {
3369                                 reset_times++;
3370                                 goto RESET_START;
3371                         } else {
3372                                 RT_TRACE(COMP_ERR,
3373                                          " ERR!!! %s():  Reset Failed!!\n",
3374                                          __func__);
3375                         }
3376                 }
3377                 ieee->is_silent_reset = 1;
3378                 EnableHWSecurityConfig8192(dev);
3379                 if (ieee->state == IEEE80211_LINKED &&
3380                     ieee->iw_mode == IW_MODE_INFRA) {
3381                         ieee->set_chan(ieee->dev,
3382                                        ieee->current_network.channel);
3383 
3384                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3385 
3386                 } else if (ieee->state == IEEE80211_LINKED &&
3387                            ieee->iw_mode == IW_MODE_ADHOC) {
3388                         ieee->set_chan(ieee->dev,
3389                                        ieee->current_network.channel);
3390                         ieee->link_change(ieee->dev);
3391 
3392                         ieee80211_start_send_beacons(ieee);
3393 
3394                         if (ieee->data_hard_resume)
3395                                 ieee->data_hard_resume(ieee->dev);
3396                         netif_carrier_on(ieee->dev);
3397                 }
3398 
3399                 CamRestoreAllEntry(dev);
3400 
3401                 priv->ResetProgress = RESET_TYPE_NORESET;
3402                 priv->reset_count++;
3403 
3404                 priv->bForcedSilentReset = false;
3405                 priv->bResetInProgress = false;
3406 
3407                 /* For test --> force write UFWP. */
3408                 write_nic_byte(dev, UFWP, 1);
3409                 RT_TRACE(COMP_RESET,
3410                          "Reset finished!! ====>[%d]\n",
3411                          priv->reset_count);
3412         }
3413 }
3414 
3415 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3416                              u32 *TotalRxDataNum)
3417 {
3418         u16                     SlotIndex;
3419         u8                      i;
3420 
3421         *TotalRxBcnNum = 0;
3422         *TotalRxDataNum = 0;
3423 
3424         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3425                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3426         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3427                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3428         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3429                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3430         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3431                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3432                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3433         }
3434 }
3435 
3436 
3437 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3438 {
3439         struct delayed_work *dwork = container_of(work,
3440                                                   struct delayed_work, work);
3441         struct r8192_priv *priv = container_of(dwork,
3442                                                struct r8192_priv, watch_dog_wq);
3443         struct net_device *dev = priv->ieee80211->dev;
3444         struct ieee80211_device *ieee = priv->ieee80211;
3445         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3446         static u8       check_reset_cnt;
3447         bool bBusyTraffic = false;
3448         u32     TotalRxBcnNum = 0;
3449         u32     TotalRxDataNum = 0;
3450 
3451         if (!priv->up)
3452                 return;
3453         hal_dm_watchdog(dev);
3454 
3455         /* to get busy traffic condition */
3456         if (ieee->state == IEEE80211_LINKED) {
3457                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3458                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3459                         bBusyTraffic = true;
3460                 }
3461                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3462                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3463                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3464         }
3465         /* for AP roaming */
3466         if (priv->ieee80211->state == IEEE80211_LINKED &&
3467             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3468 
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         }
3488         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3489         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3490         /* check if reset the driver */
3491         if (check_reset_cnt++ >= 3) {
3492                 ResetType = rtl819x_ifcheck_resetornot(dev);
3493                 check_reset_cnt = 3;
3494         }
3495         /* This is control by OID set in Pomelo */
3496         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3497             (priv->bForcedSilentReset ||
3498             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3499                 RT_TRACE(COMP_RESET,
3500                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3501                          __func__, priv->force_reset, priv->ResetProgress,
3502                          priv->bForcedSilentReset,
3503                          priv->bDisableNormalResetCheck, ResetType);
3504                 rtl819x_ifsilentreset(dev);
3505         }
3506         priv->force_reset = false;
3507         priv->bForcedSilentReset = false;
3508         priv->bResetInProgress = false;
3509         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3510 
3511 }
3512 
3513 static void watch_dog_timer_callback(unsigned long data)
3514 {
3515         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3516 
3517         queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0);
3518         mod_timer(&priv->watch_dog_timer,
3519                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3520 }
3521 static int _rtl8192_up(struct net_device *dev)
3522 {
3523         struct r8192_priv *priv = ieee80211_priv(dev);
3524         int init_status = 0;
3525 
3526         priv->up = 1;
3527         priv->ieee80211->ieee_up = 1;
3528         RT_TRACE(COMP_INIT, "Bringing up iface");
3529         init_status = rtl8192_adapter_start(dev);
3530         if (!init_status) {
3531                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3532                          __func__);
3533                 priv->up = priv->ieee80211->ieee_up = 0;
3534                 return -EAGAIN;
3535         }
3536         RT_TRACE(COMP_INIT, "start adapter finished\n");
3537         rtl8192_rx_enable(dev);
3538         if (priv->ieee80211->state != IEEE80211_LINKED)
3539                 ieee80211_softmac_start_protocol(priv->ieee80211);
3540         ieee80211_reset_queue(priv->ieee80211);
3541         watch_dog_timer_callback((unsigned long)dev);
3542         if (!netif_queue_stopped(dev))
3543                 netif_start_queue(dev);
3544         else
3545                 netif_wake_queue(dev);
3546 
3547         return 0;
3548 }
3549 
3550 
3551 static int rtl8192_open(struct net_device *dev)
3552 {
3553         struct r8192_priv *priv = ieee80211_priv(dev);
3554         int ret;
3555 
3556         down(&priv->wx_sem);
3557         ret = rtl8192_up(dev);
3558         up(&priv->wx_sem);
3559         return ret;
3560 
3561 }
3562 
3563 
3564 int rtl8192_up(struct net_device *dev)
3565 {
3566         struct r8192_priv *priv = ieee80211_priv(dev);
3567 
3568         if (priv->up == 1)
3569                 return -1;
3570 
3571         return _rtl8192_up(dev);
3572 }
3573 
3574 
3575 static int rtl8192_close(struct net_device *dev)
3576 {
3577         struct r8192_priv *priv = ieee80211_priv(dev);
3578         int ret;
3579 
3580         down(&priv->wx_sem);
3581 
3582         ret = rtl8192_down(dev);
3583 
3584         up(&priv->wx_sem);
3585 
3586         return ret;
3587 
3588 }
3589 
3590 int rtl8192_down(struct net_device *dev)
3591 {
3592         struct r8192_priv *priv = ieee80211_priv(dev);
3593         int i;
3594 
3595         if (priv->up == 0)
3596                 return -1;
3597 
3598         priv->up = 0;
3599         priv->ieee80211->ieee_up = 0;
3600         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3601         /* FIXME */
3602         if (!netif_queue_stopped(dev))
3603                 netif_stop_queue(dev);
3604 
3605         rtl8192_rtx_disable(dev);
3606 
3607         /* Tx related queue release */
3608         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3609                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3610         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3611                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3612 
3613         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3614                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3615 
3616         /* as cancel_delayed_work will del work->timer, so if work is not
3617          * defined as struct delayed_work, it will corrupt
3618          */
3619         rtl8192_cancel_deferred_work(priv);
3620         deinit_hal_dm(dev);
3621         del_timer_sync(&priv->watch_dog_timer);
3622 
3623 
3624         ieee80211_softmac_stop_protocol(priv->ieee80211);
3625         memset(&priv->ieee80211->current_network, 0,
3626                offsetof(struct ieee80211_network, list));
3627         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3628 
3629         return 0;
3630 }
3631 
3632 
3633 void rtl8192_commit(struct net_device *dev)
3634 {
3635         struct r8192_priv *priv = ieee80211_priv(dev);
3636         int reset_status = 0;
3637 
3638         if (priv->up == 0)
3639                 return;
3640         priv->up = 0;
3641 
3642         rtl8192_cancel_deferred_work(priv);
3643         del_timer_sync(&priv->watch_dog_timer);
3644 
3645         ieee80211_softmac_stop_protocol(priv->ieee80211);
3646 
3647         rtl8192_rtx_disable(dev);
3648         reset_status = _rtl8192_up(dev);
3649 
3650 }
3651 
3652 static void rtl8192_restart(struct work_struct *work)
3653 {
3654         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3655                                                reset_wq);
3656         struct net_device *dev = priv->ieee80211->dev;
3657 
3658         down(&priv->wx_sem);
3659 
3660         rtl8192_commit(dev);
3661 
3662         up(&priv->wx_sem);
3663 }
3664 
3665 static void r8192_set_multicast(struct net_device *dev)
3666 {
3667         struct r8192_priv *priv = ieee80211_priv(dev);
3668         short promisc;
3669 
3670         /* FIXME FIXME */
3671 
3672         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3673 
3674         if (promisc != priv->promisc)
3675 
3676                 priv->promisc = promisc;
3677 }
3678 
3679 
3680 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3681 {
3682         struct r8192_priv *priv = ieee80211_priv(dev);
3683         struct sockaddr *addr = mac;
3684 
3685         down(&priv->wx_sem);
3686 
3687         ether_addr_copy(dev->dev_addr, addr->sa_data);
3688 
3689         schedule_work(&priv->reset_wq);
3690         up(&priv->wx_sem);
3691 
3692         return 0;
3693 }
3694 
3695 /* based on ipw2200 driver */
3696 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3697 {
3698         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3699         struct iwreq *wrq = (struct iwreq *)rq;
3700         int ret = -1;
3701         struct ieee80211_device *ieee = priv->ieee80211;
3702         u32 key[4];
3703         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3704         struct iw_point *p = &wrq->u.data;
3705         struct ieee_param *ipw = NULL;
3706 
3707         down(&priv->wx_sem);
3708 
3709 
3710         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3711                 ret = -EINVAL;
3712                 goto out;
3713         }
3714 
3715         ipw = memdup_user(p->pointer, p->length);
3716         if (IS_ERR(ipw)) {
3717                 ret = PTR_ERR(ipw);
3718                 goto out;
3719         }
3720 
3721         switch (cmd) {
3722         case RTL_IOCTL_WPA_SUPPLICANT:
3723                 /* parse here for HW security */
3724                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3725                         if (ipw->u.crypt.set_tx) {
3726                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3727                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3728                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3729                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3730                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3731                                         if (ipw->u.crypt.key_len == 13)
3732                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3733                                         else if (ipw->u.crypt.key_len == 5)
3734                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3735                                 } else {
3736                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3737                                 }
3738 
3739                                 if (ieee->pairwise_key_type) {
3740                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3741                                         EnableHWSecurityConfig8192(dev);
3742                                         /* We fill both index entry and 4th
3743                                          * entry for pairwise key as in IPW
3744                                          * interface, adhoc will only get here,
3745                                          * so we need index entry for its
3746                                          * default key serching!
3747                                          */
3748                                         setKey(dev, 4, ipw->u.crypt.idx,
3749                                                ieee->pairwise_key_type,
3750                                                (u8 *)ieee->ap_mac_addr,
3751                                                0, key);
3752                                         if (ieee->auth_mode != 2)
3753                                                 setKey(dev, ipw->u.crypt.idx,
3754                                                        ipw->u.crypt.idx,
3755                                                        ieee->pairwise_key_type,
3756                                                        (u8 *)ieee->ap_mac_addr,
3757                                                        0, key);
3758                                 }
3759                         } else {
3760                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3761                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3762                                         ieee->group_key_type = KEY_TYPE_CCMP;
3763                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3764                                         ieee->group_key_type = KEY_TYPE_TKIP;
3765                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3766                                         if (ipw->u.crypt.key_len == 13)
3767                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3768                                         else if (ipw->u.crypt.key_len == 5)
3769                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3770                                 } else {
3771                                         ieee->group_key_type = KEY_TYPE_NA;
3772                                 }
3773 
3774                                 if (ieee->group_key_type) {
3775                                         setKey(dev, ipw->u.crypt.idx,
3776                                                /* KeyIndex */
3777                                                ipw->u.crypt.idx,
3778                                                /* KeyType */
3779                                                ieee->group_key_type,
3780                                                /* MacAddr */
3781                                                broadcast_addr,
3782                                                /* DefaultKey */
3783                                                0,
3784                                                /* KeyContent */
3785                                                key);
3786                                 }
3787                         }
3788                 }
3789                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3790                                                      &wrq->u.data);
3791                 break;
3792 
3793         default:
3794                 ret = -EOPNOTSUPP;
3795                 break;
3796         }
3797         kfree(ipw);
3798         ipw = NULL;
3799 out:
3800         up(&priv->wx_sem);
3801         return ret;
3802 }
3803 
3804 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3805 {
3806         u8  ret_rate = 0xff;
3807 
3808         if (!bIsHT) {
3809                 switch (rate) {
3810                 case DESC90_RATE1M:
3811                         ret_rate = MGN_1M;
3812                         break;
3813                 case DESC90_RATE2M:
3814                         ret_rate = MGN_2M;
3815                         break;
3816                 case DESC90_RATE5_5M:
3817                         ret_rate = MGN_5_5M;
3818                         break;
3819                 case DESC90_RATE11M:
3820                         ret_rate = MGN_11M;
3821                         break;
3822                 case DESC90_RATE6M:
3823                         ret_rate = MGN_6M;
3824                         break;
3825                 case DESC90_RATE9M:
3826                         ret_rate = MGN_9M;
3827                         break;
3828                 case DESC90_RATE12M:
3829                         ret_rate = MGN_12M;
3830                         break;
3831                 case DESC90_RATE18M:
3832                         ret_rate = MGN_18M;
3833                         break;
3834                 case DESC90_RATE24M:
3835                         ret_rate = MGN_24M;
3836                         break;
3837                 case DESC90_RATE36M:
3838                         ret_rate = MGN_36M;
3839                         break;
3840                 case DESC90_RATE48M:
3841                         ret_rate = MGN_48M;
3842                         break;
3843                 case DESC90_RATE54M:
3844                         ret_rate = MGN_54M;
3845                         break;
3846 
3847                 default:
3848                         ret_rate = 0xff;
3849                         RT_TRACE(COMP_RECV,
3850                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3851                                  rate, bIsHT);
3852                         break;
3853                 }
3854 
3855         } else {
3856                 switch (rate) {
3857                 case DESC90_RATEMCS0:
3858                         ret_rate = MGN_MCS0;
3859                         break;
3860                 case DESC90_RATEMCS1:
3861                         ret_rate = MGN_MCS1;
3862                         break;
3863                 case DESC90_RATEMCS2:
3864                         ret_rate = MGN_MCS2;
3865                         break;
3866                 case DESC90_RATEMCS3:
3867                         ret_rate = MGN_MCS3;
3868                         break;
3869                 case DESC90_RATEMCS4:
3870                         ret_rate = MGN_MCS4;
3871                         break;
3872                 case DESC90_RATEMCS5:
3873                         ret_rate = MGN_MCS5;
3874                         break;
3875                 case DESC90_RATEMCS6:
3876                         ret_rate = MGN_MCS6;
3877                         break;
3878                 case DESC90_RATEMCS7:
3879                         ret_rate = MGN_MCS7;
3880                         break;
3881                 case DESC90_RATEMCS8:
3882                         ret_rate = MGN_MCS8;
3883                         break;
3884                 case DESC90_RATEMCS9:
3885                         ret_rate = MGN_MCS9;
3886                         break;
3887                 case DESC90_RATEMCS10:
3888                         ret_rate = MGN_MCS10;
3889                         break;
3890                 case DESC90_RATEMCS11:
3891                         ret_rate = MGN_MCS11;
3892                         break;
3893                 case DESC90_RATEMCS12:
3894                         ret_rate = MGN_MCS12;
3895                         break;
3896                 case DESC90_RATEMCS13:
3897                         ret_rate = MGN_MCS13;
3898                         break;
3899                 case DESC90_RATEMCS14:
3900                         ret_rate = MGN_MCS14;
3901                         break;
3902                 case DESC90_RATEMCS15:
3903                         ret_rate = MGN_MCS15;
3904                         break;
3905                 case DESC90_RATEMCS32:
3906                         ret_rate = 0x80 | 0x20;
3907                         break;
3908 
3909                 default:
3910                         ret_rate = 0xff;
3911                         RT_TRACE(COMP_RECV,
3912                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3913                                  rate, bIsHT);
3914                         break;
3915                 }
3916         }
3917 
3918         return ret_rate;
3919 }
3920 
3921 /**
3922  * Function:     UpdateRxPktTimeStamp
3923  * Overview:     Record the TSF time stamp when receiving a packet
3924  *
3925  * Input:
3926  *       PADAPTER        Adapter
3927  *       PRT_RFD         pRfd,
3928  *
3929  * Output:
3930  *       PRT_RFD         pRfd
3931  *                               (pRfd->Status.TimeStampHigh is updated)
3932  *                               (pRfd->Status.TimeStampLow is updated)
3933  * Return:
3934  *               None
3935  */
3936 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3937                                      struct ieee80211_rx_stats *stats)
3938 {
3939         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3940 
3941         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3942                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3943                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3944         } else {
3945                 priv->LastRxDescTSFLow = stats->mac_time[0];
3946                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3947         }
3948 }
3949 
3950 /* 0-100 index. */
3951 static long rtl819x_translate_todbm(u8 signal_strength_index)
3952 {
3953         long    signal_power; /* in dBm. */
3954 
3955         /* Translate to dBm (x=0.5y-95). */
3956         signal_power = (long)((signal_strength_index + 1) >> 1);
3957         signal_power -= 95;
3958 
3959         return signal_power;
3960 }
3961 
3962 
3963 /* We can not declare RSSI/EVM total value of sliding window to
3964  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3965  * value will be kept in memory or disk. Declare the value in the adaptor
3966  * and it will be reinitialized when returned from S3/S4.
3967  */
3968 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3969                                     struct ieee80211_rx_stats *pprevious_stats,
3970                                     struct ieee80211_rx_stats *pcurrent_stats)
3971 {
3972         bool bcheck = false;
3973         u8      rfpath;
3974         u32     nspatial_stream, tmp_val;
3975         static u32 slide_rssi_index, slide_rssi_statistics;
3976         static u32 slide_evm_index, slide_evm_statistics;
3977         static u32 last_rssi, last_evm;
3978 
3979         static u32 slide_beacon_adc_pwdb_index;
3980         static u32 slide_beacon_adc_pwdb_statistics;
3981         static u32 last_beacon_adc_pwdb;
3982 
3983         struct rtl_80211_hdr_3addr *hdr;
3984         u16 sc;
3985         unsigned int frag, seq;
3986 
3987         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3988         sc = le16_to_cpu(hdr->seq_ctl);
3989         frag = WLAN_GET_SEQ_FRAG(sc);
3990         seq = WLAN_GET_SEQ_SEQ(sc);
3991         /* to record the sequence number */
3992         pcurrent_stats->Seq_Num = seq;
3993 
3994         /* Check whether we should take the previous packet into accounting */
3995         if (!pprevious_stats->bIsAMPDU) {
3996                 /* if previous packet is not aggregated packet */
3997                 bcheck = true;
3998         }
3999 
4000         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4001                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4002                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4003                 priv->stats.slide_rssi_total -= last_rssi;
4004         }
4005         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4006 
4007         priv->stats.slide_signal_strength[slide_rssi_index++] =
4008                 pprevious_stats->SignalStrength;
4009         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4010                 slide_rssi_index = 0;
4011 
4012         /* <1> Showed on UI for user, in dbm */
4013         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4014         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4015         pcurrent_stats->rssi = priv->stats.signal_strength;
4016 
4017         /* If the previous packet does not match the criteria, neglect it */
4018         if (!pprevious_stats->bPacketMatchBSSID) {
4019                 if (!pprevious_stats->bToSelfBA)
4020                         return;
4021         }
4022 
4023         if (!bcheck)
4024                 return;
4025 
4026 
4027         /* only rtl8190 supported
4028          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4029          */
4030 
4031         /* Check RSSI */
4032         priv->stats.num_process_phyinfo++;
4033 
4034         /* record the general signal strength to the sliding window. */
4035 
4036 
4037         /* <2> Showed on UI for engineering
4038          * hardware does not provide rssi information for each rf path in CCK
4039          */
4040         if (!pprevious_stats->bIsCCK &&
4041             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4042                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4043                         if (!rtl8192_phy_CheckIsLegalRFPath(
4044                                         priv->ieee80211->dev, rfpath))
4045                                 continue;
4046 
4047                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4048                                 priv->stats.rx_rssi_percentage[rfpath] =
4049                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4050                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4051                                 priv->stats.rx_rssi_percentage[rfpath] =
4052                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4053                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4054                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4055                         } else {
4056                                 priv->stats.rx_rssi_percentage[rfpath] =
4057                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4058                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4059                         }
4060                         RT_TRACE(COMP_DBG,
4061                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4062                                  priv->stats.rx_rssi_percentage[rfpath]);
4063                 }
4064         }
4065 
4066 
4067         /* Check PWDB. */
4068         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4069                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4070                  pprevious_stats->RxPWDBAll);
4071 
4072         if (pprevious_stats->bPacketBeacon) {
4073                 /* record the beacon pwdb to the sliding window. */
4074                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4075                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4076                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4077                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4078                 }
4079                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4080                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4081                 slide_beacon_adc_pwdb_index++;
4082                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4083                         slide_beacon_adc_pwdb_index = 0;
4084                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4085                 if (pprevious_stats->RxPWDBAll >= 3)
4086                         pprevious_stats->RxPWDBAll -= 3;
4087         }
4088 
4089         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4090                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4091                  pprevious_stats->RxPWDBAll);
4092 
4093 
4094         if (pprevious_stats->bPacketToSelf ||
4095             pprevious_stats->bPacketBeacon ||
4096             pprevious_stats->bToSelfBA) {
4097                 if (priv->undecorated_smoothed_pwdb < 0)
4098                         /* initialize */
4099                         priv->undecorated_smoothed_pwdb =
4100                                 pprevious_stats->RxPWDBAll;
4101                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4102                         priv->undecorated_smoothed_pwdb =
4103                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4104                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4105                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4106                 } else {
4107                         priv->undecorated_smoothed_pwdb =
4108                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4109                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4110                 }
4111 
4112         }
4113 
4114         /* Check EVM */
4115         /* record the general EVM to the sliding window. */
4116         if (pprevious_stats->SignalQuality) {
4117                 if (pprevious_stats->bPacketToSelf ||
4118                     pprevious_stats->bPacketBeacon ||
4119                     pprevious_stats->bToSelfBA) {
4120                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4121                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4122                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4123                                 priv->stats.slide_evm_total -= last_evm;
4124                         }
4125 
4126                         priv->stats.slide_evm_total +=
4127                                 pprevious_stats->SignalQuality;
4128 
4129                         priv->stats.slide_evm[slide_evm_index++] =
4130                                 pprevious_stats->SignalQuality;
4131                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4132                                 slide_evm_index = 0;
4133 
4134                         /* <1> Showed on UI for user, in percentage. */
4135                         tmp_val = priv->stats.slide_evm_total /
4136                                   slide_evm_statistics;
4137                         priv->stats.signal_quality = tmp_val;
4138                         /* Showed on UI for user in Windows Vista,
4139                          * for Link quality.
4140                          */
4141                         priv->stats.last_signal_strength_inpercent = tmp_val;
4142                 }
4143 
4144                 /* <2> Showed on UI for engineering */
4145                 if (pprevious_stats->bPacketToSelf ||
4146                     pprevious_stats->bPacketBeacon ||
4147                     pprevious_stats->bToSelfBA) {
4148                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4149                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4150                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4151                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4152                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4153                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4154                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4155                                 }
4156                         }
4157                 }
4158         }
4159 
4160 
4161 }
4162 
4163 /*-----------------------------------------------------------------------------
4164  * Function:    rtl819x_query_rxpwrpercentage()
4165  *
4166  * Overview:
4167  *
4168  * Input:               char            antpower
4169  *
4170  * Output:              NONE
4171  *
4172  * Return:              0-100 percentage
4173  *---------------------------------------------------------------------------*/
4174 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4175 {
4176         if ((antpower <= -100) || (antpower >= 20))
4177                 return  0;
4178         else if (antpower >= 0)
4179                 return  100;
4180         else
4181                 return  100 + antpower;
4182 
4183 }       /* QueryRxPwrPercentage */
4184 
4185 static u8 rtl819x_evm_dbtopercentage(char value)
4186 {
4187         char ret_val;
4188 
4189         ret_val = value;
4190 
4191         if (ret_val >= 0)
4192                 ret_val = 0;
4193         if (ret_val <= -33)
4194                 ret_val = -33;
4195         ret_val = 0 - ret_val;
4196         ret_val *= 3;
4197         if (ret_val == 99)
4198                 ret_val = 100;
4199         return ret_val;
4200 }
4201 /* We want good-looking for signal strength/quality */
4202 static long rtl819x_signal_scale_mapping(long currsig)
4203 {
4204         long retsig;
4205 
4206         /* Step 1. Scale mapping. */
4207         if (currsig >= 61 && currsig <= 100)
4208                 retsig = 90 + ((currsig - 60) / 4);
4209         else if (currsig >= 41 && currsig <= 60)
4210                 retsig = 78 + ((currsig - 40) / 2);
4211         else if (currsig >= 31 && currsig <= 40)
4212                 retsig = 66 + (currsig - 30);
4213         else if (currsig >= 21 && currsig <= 30)
4214                 retsig = 54 + (currsig - 20);
4215         else if (currsig >= 5 && currsig <= 20)
4216                 retsig = 42 + (((currsig - 5) * 2) / 3);
4217         else if (currsig == 4)
4218                 retsig = 36;
4219         else if (currsig == 3)
4220                 retsig = 27;
4221         else if (currsig == 2)
4222                 retsig = 18;
4223         else if (currsig == 1)
4224                 retsig = 9;
4225         else
4226                 retsig = currsig;
4227 
4228         return retsig;
4229 }
4230 
4231 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4232 {
4233         if (pdrvinfo->RxHT)
4234                 return false;
4235 
4236         switch (pdrvinfo->RxRate) {
4237         case DESC90_RATE1M:
4238         case DESC90_RATE2M:
4239         case DESC90_RATE5_5M:
4240         case DESC90_RATE11M:
4241                 return true;
4242         default:
4243                 return false;
4244         }
4245 }
4246 
4247 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4248                                       struct ieee80211_rx_stats *pstats,
4249                                       rx_drvinfo_819x_usb  *pdrvinfo,
4250                                       struct ieee80211_rx_stats *precord_stats,
4251                                       bool bpacket_match_bssid,
4252                                       bool bpacket_toself,
4253                                       bool bPacketBeacon,
4254                                       bool bToSelfBA)
4255 {
4256         phy_sts_ofdm_819xusb_t *pofdm_buf;
4257         phy_sts_cck_819xusb_t   *pcck_buf;
4258         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4259         u8      *prxpkt;
4260         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4261         char    rx_pwr[4], rx_pwr_all = 0;
4262         char    rx_snrX, rx_evmX;
4263         u8      evm, pwdb_all;
4264         u32     RSSI, total_rssi = 0;
4265         u8      is_cck_rate = 0;
4266         u8      rf_rx_num = 0;
4267         u8      sq;
4268 
4269 
4270         priv->stats.numqry_phystatus++;
4271 
4272         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4273 
4274         /* Record it for next packet processing */
4275         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4276         pstats->bPacketMatchBSSID =
4277                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4278         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4279         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4280         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4281         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4282 
4283         prxpkt = (u8 *)pdrvinfo;
4284 
4285         /* Move pointer to the 16th bytes. Phy status start address. */
4286         prxpkt += sizeof(rx_drvinfo_819x_usb);
4287 
4288         /* Initial the cck and ofdm buffer pointer */
4289         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4290         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4291 
4292         pstats->RxMIMOSignalQuality[0] = -1;
4293         pstats->RxMIMOSignalQuality[1] = -1;
4294         precord_stats->RxMIMOSignalQuality[0] = -1;
4295         precord_stats->RxMIMOSignalQuality[1] = -1;
4296 
4297         if (is_cck_rate) {
4298                 /* (1)Hardware does not provide RSSI for CCK */
4299 
4300                 /* (2)PWDB, Average PWDB cacluated by hardware
4301                  * (for rate adaptive)
4302                  */
4303                 u8 report;
4304 
4305                 priv->stats.numqry_phystatusCCK++;
4306 
4307                 if (!priv->bCckHighPower) {
4308                         report = pcck_buf->cck_agc_rpt & 0xc0;
4309                         report >>= 6;
4310                         switch (report) {
4311                         case 0x3:
4312                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4313                                 break;
4314                         case 0x2:
4315                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4316                                 break;
4317                         case 0x1:
4318                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4319                                 break;
4320                         case 0x0:
4321                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4322                                 break;
4323                         }
4324                 } else {
4325                         report = pcck_buf->cck_agc_rpt & 0x60;
4326                         report >>= 5;
4327                         switch (report) {
4328                         case 0x3:
4329                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4330                                 break;
4331                         case 0x2:
4332                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4333                                 break;
4334                         case 0x1:
4335                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4336                                 break;
4337                         case 0x0:
4338                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4339                                 break;
4340                         }
4341                 }
4342 
4343                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4344                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4345                 pstats->RecvSignalPower = pwdb_all;
4346 
4347                 /* (3) Get Signal Quality (EVM) */
4348 
4349                 if (pstats->RxPWDBAll > 40) {
4350                         sq = 100;
4351                 } else {
4352                         sq = pcck_buf->sq_rpt;
4353 
4354                         if (pcck_buf->sq_rpt > 64)
4355                                 sq = 0;
4356                         else if (pcck_buf->sq_rpt < 20)
4357                                 sq = 100;
4358                         else
4359                                 sq = ((64 - sq) * 100) / 44;
4360                 }
4361                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4362                 pstats->RxMIMOSignalQuality[0] =
4363                         precord_stats->RxMIMOSignalQuality[0] = sq;
4364                 pstats->RxMIMOSignalQuality[1] =
4365                         precord_stats->RxMIMOSignalQuality[1] = -1;
4366 
4367         } else {
4368                 priv->stats.numqry_phystatusHT++;
4369 
4370                 /* (1)Get RSSI for HT rate */
4371                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4372                         /* We will judge RF RX path now. */
4373                         if (priv->brfpath_rxenable[i])
4374                                 rf_rx_num++;
4375                         else
4376                                 continue;
4377 
4378                         if (!rtl8192_phy_CheckIsLegalRFPath(
4379                                         priv->ieee80211->dev, i))
4380                                 continue;
4381 
4382                         rx_pwr[i] =
4383                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4384 
4385                         /* Get Rx snr value in DB */
4386                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4387                         rx_snrX = (char)(tmp_rxsnr);
4388                         rx_snrX /= 2;
4389                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4390 
4391                         /* Translate DBM to percentage. */
4392                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4393                         total_rssi += RSSI;
4394 
4395                         /* Record Signal Strength for next packet */
4396                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4397                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4398                 }
4399 
4400 
4401                 /* (2)PWDB, Average PWDB cacluated by hardware
4402                  * (for rate adaptive)
4403                  */
4404                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4405                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4406 
4407                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4408                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4409 
4410                 /* (3)EVM of HT rate */
4411                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4412                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4413                         /* both spatial stream make sense */
4414                         max_spatial_stream = 2;
4415                 else
4416                         /* only spatial stream 1 makes sense */
4417                         max_spatial_stream = 1;
4418 
4419                 for (i = 0; i < max_spatial_stream; i++) {
4420                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4421                         rx_evmX = (char)(tmp_rxevm);
4422 
4423                         /* Do not use shift operation like "rx_evmX >>= 1"
4424                          * because the compiler of free build environment will
4425                          * set the most significant bit to "zero" when doing
4426                          * shifting operation which may change a negative value
4427                          * to positive one, then the dbm value (which is
4428                          * supposed to be negative) is not correct anymore.
4429                          */
4430                         rx_evmX /= 2;   /* dbm */
4431 
4432                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4433                         if (i == 0)
4434                                 /* Fill value in RFD, Get the first spatial
4435                                  * stream only
4436                                  */
4437                                 pstats->SignalQuality =
4438                                         precord_stats->SignalQuality =
4439                                         (u8)(evm & 0xff);
4440                         pstats->RxMIMOSignalQuality[i] =
4441                                 precord_stats->RxMIMOSignalQuality[i] =
4442                                 (u8)(evm & 0xff);
4443                 }
4444 
4445 
4446                 /* record rx statistics for debug */
4447                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4448                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4449                         &rxsc_sgien_exflg;
4450                 if (pdrvinfo->BW)       /* 40M channel */
4451                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4452                 else                    /* 20M channel */
4453                         priv->stats.received_bwtype[0]++;
4454         }
4455 
4456         /* UI BSS List signal strength(in percentage), make it good looking,
4457          * from 0~100. It is assigned to the BSS List in
4458          * GetValueFromBeaconOrProbeRsp().
4459          */
4460         if (is_cck_rate) {
4461                 pstats->SignalStrength =
4462                         precord_stats->SignalStrength =
4463                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4464         } else {
4465                 /* We can judge RX path number now. */
4466                 if (rf_rx_num != 0) {
4467                         pstats->SignalStrength =
4468                                 precord_stats->SignalStrength =
4469                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4470                 }
4471         }
4472 }       /* QueryRxPhyStatus8190Pci */
4473 
4474 static void rtl8192_record_rxdesc_forlateruse(
4475                 struct ieee80211_rx_stats *psrc_stats,
4476                 struct ieee80211_rx_stats *ptarget_stats)
4477 {
4478         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4479         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4480         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4481 }
4482 
4483 
4484 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4485                                           struct ieee80211_rx_stats *pstats,
4486                                           rx_drvinfo_819x_usb  *pdrvinfo)
4487 {
4488         /* TODO: We must only check packet for current MAC address.
4489          * Not finish
4490          */
4491         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4492         struct net_device *dev = info->dev;
4493         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4494         bool bpacket_match_bssid, bpacket_toself;
4495         bool bPacketBeacon = false, bToSelfBA = false;
4496         static struct ieee80211_rx_stats  previous_stats;
4497         struct rtl_80211_hdr_3addr *hdr;
4498         u16 fc, type;
4499 
4500         /* Get Signal Quality for only RX data queue (but not command queue) */
4501 
4502         u8 *tmp_buf;
4503         u8  *praddr;
4504 
4505         /* Get MAC frame start address. */
4506         tmp_buf = (u8 *)skb->data;
4507 
4508         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4509         fc = le16_to_cpu(hdr->frame_ctl);
4510         type = WLAN_FC_GET_TYPE(fc);
4511         praddr = hdr->addr1;
4512 
4513         /* Check if the received packet is acceptable. */
4514         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4515                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4516                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4517         bpacket_toself =  bpacket_match_bssid &
4518                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4519 
4520         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4521                 bPacketBeacon = true;
4522         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4523                 if ((eqMacAddr(praddr, dev->dev_addr)))
4524                         bToSelfBA = true;
4525         }
4526 
4527 
4528 
4529         if (bpacket_match_bssid)
4530                 priv->stats.numpacket_matchbssid++;
4531         if (bpacket_toself)
4532                 priv->stats.numpacket_toself++;
4533         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4534          * Because phy information is contained in the last packet of AMPDU
4535          * only, so driver should process phy information of previous packet
4536          */
4537         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4538         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4539                                   bpacket_match_bssid, bpacket_toself,
4540                                   bPacketBeacon, bToSelfBA);
4541         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4542 
4543 }
4544 
4545 /**
4546 * Function:     UpdateReceivedRateHistogramStatistics
4547 * Overview:     Record the received data rate
4548 *
4549 * Input:
4550 *       struct net_device *dev
4551 *       struct ieee80211_rx_stats *stats
4552 *
4553 * Output:
4554 *
4555 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4556 * Return:
4557 *               None
4558 */
4559 static void
4560 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4561                                           struct ieee80211_rx_stats *stats)
4562 {
4563         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4564         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4565         u32 rcvType = 1;
4566         u32 rateIndex;
4567         /* 1: short preamble/GI, 0: long preamble/GI */
4568         u32 preamble_guardinterval;
4569 
4570 
4571         if (stats->bCRC)
4572                 rcvType = 2;
4573         else if (stats->bICV)
4574                 rcvType = 3;
4575 
4576         if (stats->bShortPreamble)
4577                 preamble_guardinterval = 1; /* short */
4578         else
4579                 preamble_guardinterval = 0; /* long */
4580 
4581         switch (stats->rate) {
4582         /* CCK rate */
4583         case MGN_1M:
4584                 rateIndex = 0;
4585                 break;
4586         case MGN_2M:
4587                 rateIndex = 1;
4588                 break;
4589         case MGN_5_5M:
4590                 rateIndex = 2;
4591                 break;
4592         case MGN_11M:
4593                 rateIndex = 3;
4594                 break;
4595         /* Legacy OFDM rate */
4596         case MGN_6M:
4597                 rateIndex = 4;
4598                 break;
4599         case MGN_9M:
4600                 rateIndex = 5;
4601                 break;
4602         case MGN_12M:
4603                 rateIndex = 6;
4604                 break;
4605         case MGN_18M:
4606                 rateIndex = 7;
4607                 break;
4608         case MGN_24M:
4609                 rateIndex = 8;
4610                 break;
4611         case MGN_36M:
4612                 rateIndex = 9;
4613                 break;
4614         case MGN_48M:
4615                 rateIndex = 10;
4616                 break;
4617         case MGN_54M:
4618                 rateIndex = 11;
4619                 break;
4620         /* 11n High throughput rate */
4621         case MGN_MCS0:
4622                 rateIndex = 12;
4623                 break;
4624         case MGN_MCS1:
4625                 rateIndex = 13;
4626                 break;
4627         case MGN_MCS2:
4628                 rateIndex = 14;
4629                 break;
4630         case MGN_MCS3:
4631                 rateIndex = 15;
4632                 break;
4633         case MGN_MCS4:
4634                 rateIndex = 16;
4635                 break;
4636         case MGN_MCS5:
4637                 rateIndex = 17;
4638                 break;
4639         case MGN_MCS6:
4640                 rateIndex = 18;
4641                 break;
4642         case MGN_MCS7:
4643                 rateIndex = 19;
4644                 break;
4645         case MGN_MCS8:
4646                 rateIndex = 20;
4647                 break;
4648         case MGN_MCS9:
4649                 rateIndex = 21;
4650                 break;
4651         case MGN_MCS10:
4652                 rateIndex = 22;
4653                 break;
4654         case MGN_MCS11:
4655                 rateIndex = 23;
4656                 break;
4657         case MGN_MCS12:
4658                 rateIndex = 24;
4659                 break;
4660         case MGN_MCS13:
4661                 rateIndex = 25;
4662                 break;
4663         case MGN_MCS14:
4664                 rateIndex = 26;
4665                 break;
4666         case MGN_MCS15:
4667                 rateIndex = 27;
4668                 break;
4669         default:
4670                 rateIndex = 28;
4671                 break;
4672         }
4673         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4674         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4675         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4676 }
4677 
4678 
4679 static void query_rxdesc_status(struct sk_buff *skb,
4680                                 struct ieee80211_rx_stats *stats,
4681                                 bool bIsRxAggrSubframe)
4682 {
4683         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4684         struct net_device *dev = info->dev;
4685         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4686         rx_drvinfo_819x_usb  *driver_info = NULL;
4687 
4688         /* Get Rx Descriptor Information */
4689         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4690 
4691         stats->Length = desc->Length;
4692         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4693         stats->RxBufShift = 0;
4694         stats->bICV = desc->ICV;
4695         stats->bCRC = desc->CRC32;
4696         stats->bHwError = stats->bCRC | stats->bICV;
4697         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4698         stats->Decrypted = !desc->SWDec;
4699 
4700         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4701             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4702                 stats->bHwError = false;
4703         else
4704                 stats->bHwError = stats->bCRC | stats->bICV;
4705 
4706         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4707                 stats->bHwError |= 1;
4708         /* Get Driver Info */
4709         /* TODO: Need to verify it on FGPA platform
4710          * Driver info are written to the RxBuffer following rx desc
4711          */
4712         if (stats->RxDrvInfoSize != 0) {
4713                 driver_info = (rx_drvinfo_819x_usb *)(
4714                                 skb->data
4715                                 + sizeof(rx_desc_819x_usb)
4716                                 + stats->RxBufShift
4717                               );
4718                 /* unit: 0.5M */
4719                 /* TODO */
4720                 if (!stats->bHwError) {
4721                         u8      ret_rate;
4722 
4723                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4724                                                    driver_info->RxRate);
4725                         if (ret_rate == 0xff) {
4726                                 /* Abnormal Case: Receive CRC OK packet with Rx
4727                                  * descriptor indicating non supported rate.
4728                                  * Special Error Handling here
4729                                  */
4730 
4731                                 stats->bHwError = 1;
4732                                 /* Set 1M rate by default */
4733                                 stats->rate = MGN_1M;
4734                         } else {
4735                                 stats->rate = ret_rate;
4736                         }
4737                 } else {
4738                         stats->rate = 0x02;
4739                 }
4740 
4741                 stats->bShortPreamble = driver_info->SPLCP;
4742 
4743 
4744                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4745 
4746                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4747                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4748                                     (driver_info->FirstAGGR == 1);
4749                 stats->TimeStampLow = driver_info->TSFL;
4750 
4751                 UpdateRxPktTimeStamp8190(dev, stats);
4752 
4753                 /* Rx A-MPDU */
4754                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4755                         RT_TRACE(COMP_RXDESC,
4756                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4757                                  driver_info->FirstAGGR, driver_info->PartAggr);
4758 
4759         }
4760 
4761         skb_pull(skb, sizeof(rx_desc_819x_usb));
4762         /* Get Total offset of MPDU Frame Body */
4763         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4764                 stats->bShift = 1;
4765                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4766         }
4767 
4768         if (driver_info) {
4769                 stats->RxIs40MHzPacket = driver_info->BW;
4770                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4771         }
4772 }
4773 
4774 static void rtl8192_rx_nomal(struct sk_buff *skb)
4775 {
4776         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4777         struct net_device *dev = info->dev;
4778         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4779         struct ieee80211_rx_stats stats = {
4780                 .signal = 0,
4781                 .noise = 0x100 - 98,
4782                 .rate = 0,
4783                 .freq = IEEE80211_24GHZ_BAND,
4784         };
4785         u32 rx_pkt_len = 0;
4786         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4787         bool unicast_packet = false;
4788 
4789         /* 20 is for ps-poll */
4790         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4791                 /* first packet should not contain Rx aggregation header */
4792                 query_rxdesc_status(skb, &stats, false);
4793                 /* TODO */
4794                 /* hardware related info */
4795                 /* Process the MPDU received */
4796                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4797 
4798                 rx_pkt_len = skb->len;
4799                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4800                 unicast_packet = false;
4801                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4802                         /* TODO */
4803                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4804                         /* TODO */
4805                 } else {
4806                         /* unicast packet */
4807                         unicast_packet = true;
4808                 }
4809 
4810                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4811                         dev_kfree_skb_any(skb);
4812                 } else {
4813                         priv->stats.rxoktotal++;
4814                         if (unicast_packet)
4815                                 priv->stats.rxbytesunicast += rx_pkt_len;
4816                 }
4817         } else {
4818                 priv->stats.rxurberr++;
4819                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4820                 dev_kfree_skb_any(skb);
4821         }
4822 
4823 }
4824 
4825 static void rtl819xusb_process_received_packet(
4826                 struct net_device *dev,
4827                 struct ieee80211_rx_stats *pstats)
4828 {
4829         u8      *frame;
4830         u16     frame_len = 0;
4831         struct r8192_priv *priv = ieee80211_priv(dev);
4832 
4833         /* Get shifted bytes of Starting address of 802.11 header. */
4834         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4835         frame = pstats->virtual_address;
4836         frame_len = pstats->packetlength;
4837 #ifdef TODO     /* about HCT */
4838         if (!Adapter->bInHctTest)
4839                 CountRxErrStatistics(Adapter, pRfd);
4840 #endif
4841 #ifdef ENABLE_PS  /* for adding ps function in future */
4842         RT_RF_POWER_STATE rtState;
4843         /* When RF is off, we should not count the packet for hw/sw synchronize
4844          * reason, ie. there may be a duration while sw switch is changed and
4845          * hw switch is being changed.
4846          */
4847         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4848                                          (u8 *)(&rtState));
4849         if (rtState == eRfOff)
4850                 return;
4851 #endif
4852         priv->stats.rxframgment++;
4853 
4854 #ifdef TODO
4855         RmMonitorSignalStrength(Adapter, pRfd);
4856 #endif
4857         /* We have to release RFD and return if rx pkt is cmd pkt. */
4858         if (rtl819xusb_rx_command_packet(dev, pstats))
4859                 return;
4860 
4861 #ifdef SW_CRC_CHECK
4862         SwCrcCheck();
4863 #endif
4864 
4865 
4866 }
4867 
4868 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4869                                         struct ieee80211_rx_stats *stats)
4870 {
4871         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4872 
4873         /* Get Rx Descriptor Information */
4874         stats->virtual_address = (u8 *)skb->data;
4875         stats->Length = desc->Length;
4876         stats->RxDrvInfoSize = 0;
4877         stats->RxBufShift = 0;
4878         stats->packetlength = stats->Length - scrclng;
4879         stats->fraglength = stats->packetlength;
4880         stats->fragoffset = 0;
4881         stats->ntotalfrag = 1;
4882 }
4883 
4884 
4885 static void rtl8192_rx_cmd(struct sk_buff *skb)
4886 {
4887         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4888         struct net_device *dev = info->dev;
4889         /* TODO */
4890         struct ieee80211_rx_stats stats = {
4891                 .signal = 0,
4892                 .noise = 0x100 - 98,
4893                 .rate = 0,
4894                 .freq = IEEE80211_24GHZ_BAND,
4895         };
4896 
4897         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4898 
4899                 query_rx_cmdpkt_desc_status(skb, &stats);
4900                 /* prfd->queue_id = 1; */
4901 
4902                 /* Process the command packet received. */
4903 
4904                 rtl819xusb_process_received_packet(dev, &stats);
4905 
4906                 dev_kfree_skb_any(skb);
4907         }
4908 }
4909 
4910 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4911 {
4912         struct sk_buff *skb;
4913         struct rtl8192_rx_info *info;
4914 
4915         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4916                 info = (struct rtl8192_rx_info *)skb->cb;
4917                 switch (info->out_pipe) {
4918                 /* Nomal packet pipe */
4919                 case 3:
4920                         priv->IrpPendingCount--;
4921                         rtl8192_rx_nomal(skb);
4922                         break;
4923 
4924                 /* Command packet pipe */
4925                 case 9:
4926                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4927                                  info->out_pipe);
4928 
4929                         rtl8192_rx_cmd(skb);
4930                         break;
4931 
4932                 default: /* should never get here! */
4933                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4934                                  info->out_pipe);
4935                         dev_kfree_skb(skb);
4936                         break;
4937 
4938                 }
4939         }
4940 }
4941 
4942 static const struct net_device_ops rtl8192_netdev_ops = {
4943         .ndo_open               = rtl8192_open,
4944         .ndo_stop               = rtl8192_close,
4945         .ndo_get_stats          = rtl8192_stats,
4946         .ndo_tx_timeout         = tx_timeout,
4947         .ndo_do_ioctl           = rtl8192_ioctl,
4948         .ndo_set_rx_mode        = r8192_set_multicast,
4949         .ndo_set_mac_address    = r8192_set_mac_adr,
4950         .ndo_validate_addr      = eth_validate_addr,
4951         .ndo_change_mtu         = eth_change_mtu,
4952         .ndo_start_xmit         = ieee80211_xmit,
4953 };
4954 
4955 
4956 /****************************************************************************
4957      ---------------------------- USB_STUFF---------------------------
4958 *****************************************************************************/
4959 
4960 static int rtl8192_usb_probe(struct usb_interface *intf,
4961                              const struct usb_device_id *id)
4962 {
4963         struct net_device *dev = NULL;
4964         struct r8192_priv *priv = NULL;
4965         struct usb_device *udev = interface_to_usbdev(intf);
4966         int ret;
4967 
4968         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4969 
4970         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4971         if (dev == NULL)
4972                 return -ENOMEM;
4973 
4974         usb_set_intfdata(intf, dev);
4975         SET_NETDEV_DEV(dev, &intf->dev);
4976         priv = ieee80211_priv(dev);
4977         priv->ieee80211 = netdev_priv(dev);
4978         priv->udev = udev;
4979 
4980         dev->netdev_ops = &rtl8192_netdev_ops;
4981 
4982         dev->wireless_handlers =
4983                 (struct iw_handler_def *)&r8192_wx_handlers_def;
4984 
4985         dev->type = ARPHRD_ETHER;
4986 
4987         dev->watchdog_timeo = HZ * 3;
4988 
4989         if (dev_alloc_name(dev, ifname) < 0) {
4990                 RT_TRACE(COMP_INIT,
4991                          "Oops: devname already taken! Trying wlan%%d...\n");
4992                 ifname = "wlan%d";
4993                 dev_alloc_name(dev, ifname);
4994         }
4995 
4996         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4997         if (rtl8192_init(dev) != 0) {
4998                 RT_TRACE(COMP_ERR, "Initialization failed");
4999                 ret = -ENODEV;
5000                 goto fail;
5001         }
5002         netif_carrier_off(dev);
5003         netif_stop_queue(dev);
5004 
5005         ret = register_netdev(dev);
5006         if (ret)
5007                 goto fail2;
5008 
5009         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
5010         rtl8192_proc_init_one(dev);
5011 
5012 
5013         RT_TRACE(COMP_INIT, "Driver probe completed\n");
5014         return 0;
5015 
5016 fail2:
5017         rtl8192_down(dev);
5018         kfree(priv->pFirmware);
5019         priv->pFirmware = NULL;
5020         rtl8192_usb_deleteendpoints(dev);
5021         destroy_workqueue(priv->priv_wq);
5022         mdelay(10);
5023 fail:
5024         free_ieee80211(dev);
5025 
5026         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5027         return ret;
5028 }
5029 
5030 /* detach all the work and timer structure declared or inititialize
5031  * in r8192U_init function.
5032  */
5033 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5034 {
5035 
5036         cancel_work_sync(&priv->reset_wq);
5037         cancel_delayed_work(&priv->watch_dog_wq);
5038         cancel_delayed_work(&priv->update_beacon_wq);
5039         cancel_work_sync(&priv->qos_activate);
5040 }
5041 
5042 
5043 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5044 {
5045         struct net_device *dev = usb_get_intfdata(intf);
5046         struct r8192_priv *priv = ieee80211_priv(dev);
5047 
5048         if (dev) {
5049                 unregister_netdev(dev);
5050 
5051                 RT_TRACE(COMP_DOWN,
5052                          "=============>wlan driver to be removed\n");
5053                 rtl8192_proc_remove_one(dev);
5054 
5055                 rtl8192_down(dev);
5056                 kfree(priv->pFirmware);
5057                 priv->pFirmware = NULL;
5058                 rtl8192_usb_deleteendpoints(dev);
5059                 destroy_workqueue(priv->priv_wq);
5060                 mdelay(10);
5061         }
5062         free_ieee80211(dev);
5063         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5064 }
5065 
5066 static int __init rtl8192_usb_module_init(void)
5067 {
5068         int ret;
5069 
5070 #ifdef CONFIG_IEEE80211_DEBUG
5071         ret = ieee80211_debug_init();
5072         if (ret) {
5073                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5074                 return ret;
5075         }
5076 #endif
5077         ret = ieee80211_crypto_init();
5078         if (ret) {
5079                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5080                 return ret;
5081         }
5082 
5083         ret = ieee80211_crypto_tkip_init();
5084         if (ret) {
5085                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5086                 return ret;
5087         }
5088 
5089         ret = ieee80211_crypto_ccmp_init();
5090         if (ret) {
5091                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5092                 return ret;
5093         }
5094 
5095         ret = ieee80211_crypto_wep_init();
5096         if (ret) {
5097                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5098                 return ret;
5099         }
5100 
5101         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5102         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5103         RT_TRACE(COMP_INIT, "Initializing module");
5104         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5105         rtl8192_proc_module_init();
5106         return usb_register(&rtl8192_usb_driver);
5107 }
5108 
5109 
5110 static void __exit rtl8192_usb_module_exit(void)
5111 {
5112         usb_deregister(&rtl8192_usb_driver);
5113 
5114         RT_TRACE(COMP_DOWN, "Exiting");
5115 }
5116 
5117 void EnableHWSecurityConfig8192(struct net_device *dev)
5118 {
5119         u8 SECR_value = 0x0;
5120         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5121         struct ieee80211_device *ieee = priv->ieee80211;
5122 
5123         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5124         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5125                 SECR_value |= SCR_RxUseDK;
5126                 SECR_value |= SCR_TxUseDK;
5127         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5128                 SECR_value |= SCR_RxUseDK;
5129                 SECR_value |= SCR_TxUseDK;
5130         }
5131         /* add HWSec active enable here.
5132          * default using hwsec. when peer AP is in N mode only and
5133          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5134          * it), use software security. when peer AP is in b,g,n mode mixed and
5135          * pairwise_key_type is none_aes, use g mode hw security.
5136          */
5137 
5138         ieee->hwsec_active = 1;
5139 
5140         /* add hwsec_support flag to totol control hw_sec on/off */
5141         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5142                 ieee->hwsec_active = 0;
5143                 SECR_value &= ~SCR_RxDecEnable;
5144         }
5145         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5146                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5147                  SECR_value);
5148         write_nic_byte(dev, SECR,  SECR_value);
5149 }
5150 
5151 
5152 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5153             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5154 {
5155         u32 TargetCommand = 0;
5156         u32 TargetContent = 0;
5157         u16 usConfig = 0;
5158         u8 i;
5159 
5160         if (EntryNo >= TOTAL_CAM_ENTRY)
5161                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5162 
5163         RT_TRACE(COMP_SEC,
5164                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5165                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5166 
5167         if (DefaultKey)
5168                 usConfig |= BIT(15) | (KeyType << 2);
5169         else
5170                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5171 
5172 
5173         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5174                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5175                 TargetCommand |= BIT(31) | BIT(16);
5176 
5177                 if (i == 0) { /* MAC|Config */
5178                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5179                                         (u32)(*(MacAddr + 1)) << 24 |
5180                                         (u32)usConfig;
5181 
5182                         write_nic_dword(dev, WCAMI, TargetContent);
5183                         write_nic_dword(dev, RWCAM, TargetCommand);
5184                 } else if (i == 1) { /* MAC */
5185                         TargetContent = (u32)(*(MacAddr + 2))    |
5186                                         (u32)(*(MacAddr + 3)) <<  8 |
5187                                         (u32)(*(MacAddr + 4)) << 16 |
5188                                         (u32)(*(MacAddr + 5)) << 24;
5189                         write_nic_dword(dev, WCAMI, TargetContent);
5190                         write_nic_dword(dev, RWCAM, TargetCommand);
5191                 } else {
5192                         /* Key Material */
5193                         if (KeyContent != NULL) {
5194                                 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
5195                                 write_nic_dword(dev, RWCAM, TargetCommand);
5196                         }
5197                 }
5198         }
5199 
5200 }
5201 
5202 /***************************************************************************
5203      ------------------- module init / exit stubs ----------------
5204 ****************************************************************************/
5205 module_init(rtl8192_usb_module_init);
5206 module_exit(rtl8192_usb_module_exit);
5207 

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