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rtl_core.c
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1 /******************************************************************************
2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3  *
4  * Based on the r8180 driver, which is:
5  * Copyright 2004-2005 Andrea Merello <[email protected]>, et al.
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of version 2 of the GNU General Public License as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18  *
19  * The full GNU General Public License is included in this distribution in the
20  * file called LICENSE.
21  *
22  * Contact Information:
23  * wlanfae <[email protected]>
24 ******************************************************************************/
25 #undef RX_DONT_PASS_UL
26 #undef DEBUG_EPROM
27 #undef DEBUG_RX_VERBOSE
28 #undef DUMMY_RX
29 #undef DEBUG_ZERO_RX
30 #undef DEBUG_RX_SKB
31 #undef DEBUG_TX_FRAG
32 #undef DEBUG_RX_FRAG
33 #undef DEBUG_TX_FILLDESC
34 #undef DEBUG_TX
35 #undef DEBUG_IRQ
36 #undef DEBUG_RX
37 #undef DEBUG_RXALLOC
38 #undef DEBUG_REGISTERS
39 #undef DEBUG_RING
40 #undef DEBUG_IRQ_TASKLET
41 #undef DEBUG_TX_ALLOC
42 #undef DEBUG_TX_DESC
43 
44 #include <linux/uaccess.h>
45 #include <linux/pci.h>
46 #include <linux/vmalloc.h>
47 #include "rtl_core.h"
48 #include "r8192E_phy.h"
49 #include "r8192E_phyreg.h"
50 #include "r8190P_rtl8256.h"
51 #include "r8192E_cmdpkt.h"
52 
53 #include "rtl_wx.h"
54 #include "rtl_dm.h"
55 
56 #include "rtl_pm.h"
57 
58 int hwwep = 1;
59 static int channels = 0x3fff;
60 static char *ifname = "wlan%d";
61 
62 
63 static struct rtl819x_ops rtl819xp_ops = {
64  .nic_type = NIC_8192E,
65  .get_eeprom_size = rtl8192_get_eeprom_size,
66  .init_adapter_variable = rtl8192_InitializeVariables,
67  .initialize_adapter = rtl8192_adapter_start,
68  .link_change = rtl8192_link_change,
69  .tx_fill_descriptor = rtl8192_tx_fill_desc,
70  .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
71  .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
72  .rx_command_packet_handler = NULL,
73  .stop_adapter = rtl8192_halt_adapter,
74  .update_ratr_table = rtl8192_update_ratr_table,
75  .irq_enable = rtl8192_EnableInterrupt,
76  .irq_disable = rtl8192_DisableInterrupt,
77  .irq_clear = rtl8192_ClearInterrupt,
78  .rx_enable = rtl8192_enable_rx,
79  .tx_enable = rtl8192_enable_tx,
80  .interrupt_recognized = rtl8192_interrupt_recognized,
81  .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
82  .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
83 };
84 
85 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
86  {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
87  {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
88  {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
89  {}
90 };
91 
92 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
93 
94 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
95  const struct pci_device_id *id);
96 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
97 
98 static struct pci_driver rtl8192_pci_driver = {
99  .name = DRV_NAME, /* Driver name */
100  .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
101  .probe = rtl8192_pci_probe, /* probe fn */
102  .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
103  .suspend = rtl8192E_suspend, /* PM suspend fn */
104  .resume = rtl8192E_resume, /* PM resume fn */
105 };
106 
107 /****************************************************************************
108  -----------------------------IO STUFF-------------------------
109 *****************************************************************************/
110 static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
111 {
112  bool bReturn = false;
113 
114  *pu1bPageMask = 0xfe;
115 
116  switch (u4bPage) {
117  case 1: case 2: case 3: case 4:
118  case 8: case 9: case 10: case 12: case 13:
119  bReturn = true;
120  *pu1bPageMask = 0xf0;
121  break;
122 
123  default:
124  bReturn = false;
125  break;
126  }
127 
128  return bReturn;
129 }
130 
131 void write_nic_io_byte(struct net_device *dev, int x, u8 y)
132 {
133  u32 u4bPage = (x >> 8);
134  u8 u1PageMask = 0;
135  bool bIsLegalPage = false;
136 
137  if (u4bPage == 0) {
138  outb(y&0xff, dev->base_addr + x);
139 
140  } else {
141  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
142  &u1PageMask);
143  if (bIsLegalPage) {
144  u8 u1bPsr = read_nic_io_byte(dev, PSR);
145 
146  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
147  (u8)u4bPage));
148  write_nic_io_byte(dev, (x & 0xff), y);
149  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
150  }
151  }
152 }
153 
154 void write_nic_io_word(struct net_device *dev, int x, u16 y)
155 {
156  u32 u4bPage = (x >> 8);
157  u8 u1PageMask = 0;
158  bool bIsLegalPage = false;
159 
160  if (u4bPage == 0) {
161  outw(y, dev->base_addr + x);
162  } else {
163  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
164  &u1PageMask);
165  if (bIsLegalPage) {
166  u8 u1bPsr = read_nic_io_byte(dev, PSR);
167 
168  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
169  (u8)u4bPage));
170  write_nic_io_word(dev, (x & 0xff), y);
171  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
172 
173  }
174  }
175 }
176 
177 void write_nic_io_dword(struct net_device *dev, int x, u32 y)
178 {
179  u32 u4bPage = (x >> 8);
180  u8 u1PageMask = 0;
181  bool bIsLegalPage = false;
182 
183  if (u4bPage == 0) {
184  outl(y, dev->base_addr + x);
185  } else {
186  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
187  &u1PageMask);
188  if (bIsLegalPage) {
189  u8 u1bPsr = read_nic_io_byte(dev, PSR);
190 
191  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
192  (u8)u4bPage));
193  write_nic_io_dword(dev, (x & 0xff), y);
194  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
195  }
196  }
197 }
198 
199 u8 read_nic_io_byte(struct net_device *dev, int x)
200 {
201  u32 u4bPage = (x >> 8);
202  u8 u1PageMask = 0;
203  bool bIsLegalPage = false;
204  u8 Data = 0;
205 
206  if (u4bPage == 0) {
207  return 0xff&inb(dev->base_addr + x);
208  } else {
209  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
210  &u1PageMask);
211  if (bIsLegalPage) {
212  u8 u1bPsr = read_nic_io_byte(dev, PSR);
213 
214  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
215  (u8)u4bPage));
216  Data = read_nic_io_byte(dev, (x & 0xff));
217  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
218  }
219  }
220 
221  return Data;
222 }
223 
224 u16 read_nic_io_word(struct net_device *dev, int x)
225 {
226  u32 u4bPage = (x >> 8);
227  u8 u1PageMask = 0;
228  bool bIsLegalPage = false;
229  u16 Data = 0;
230 
231  if (u4bPage == 0) {
232  return inw(dev->base_addr + x);
233  } else {
234  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
235  &u1PageMask);
236  if (bIsLegalPage) {
237  u8 u1bPsr = read_nic_io_byte(dev, PSR);
238 
239  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
240  (u8)u4bPage));
241  Data = read_nic_io_word(dev, (x & 0xff));
242  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
243 
244  }
245  }
246 
247  return Data;
248 }
249 
250 u32 read_nic_io_dword(struct net_device *dev, int x)
251 {
252  u32 u4bPage = (x >> 8);
253  u8 u1PageMask = 0;
254  bool bIsLegalPage = false;
255  u32 Data = 0;
256 
257  if (u4bPage == 0) {
258  return inl(dev->base_addr + x);
259  } else {
260  bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
261  &u1PageMask);
262  if (bIsLegalPage) {
263  u8 u1bPsr = read_nic_io_byte(dev, PSR);
264 
265  write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
266  (u8)u4bPage));
267  Data = read_nic_io_dword(dev, (x & 0xff));
268  write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
269 
270  }
271  }
272 
273  return Data;
274 }
275 
276 u8 read_nic_byte(struct net_device *dev, int x)
277 {
278  return 0xff & readb((u8 __iomem *)dev->mem_start + x);
279 }
280 
281 u32 read_nic_dword(struct net_device *dev, int x)
282 {
283  return readl((u8 __iomem *)dev->mem_start + x);
284 }
285 
286 u16 read_nic_word(struct net_device *dev, int x)
287 {
288  return readw((u8 __iomem *)dev->mem_start + x);
289 }
290 
291 void write_nic_byte(struct net_device *dev, int x, u8 y)
292 {
293  writeb(y, (u8 __iomem *)dev->mem_start + x);
294 
295  udelay(20);
296 }
297 
298 void write_nic_dword(struct net_device *dev, int x, u32 y)
299 {
300  writel(y, (u8 __iomem *)dev->mem_start + x);
301 
302  udelay(20);
303 }
304 
305 void write_nic_word(struct net_device *dev, int x, u16 y)
306 {
307  writew(y, (u8 __iomem *)dev->mem_start + x);
308 
309  udelay(20);
310 }
311 
312 /****************************************************************************
313  -----------------------------GENERAL FUNCTION-------------------------
314 *****************************************************************************/
315 bool MgntActSet_RF_State(struct net_device *dev,
316  enum rt_rf_power_state StateToSet,
317  RT_RF_CHANGE_SOURCE ChangeSource,
318  bool ProtectOrNot)
319 {
320  struct r8192_priv *priv = rtllib_priv(dev);
321  struct rtllib_device *ieee = priv->rtllib;
322  bool bActionAllowed = false;
323  bool bConnectBySSID = false;
324  enum rt_rf_power_state rtState;
325  u16 RFWaitCounter = 0;
326  unsigned long flag;
327  RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
328  "StateToSet(%d)\n", StateToSet);
329 
330  ProtectOrNot = false;
331 
332 
333  if (!ProtectOrNot) {
334  while (true) {
335  spin_lock_irqsave(&priv->rf_ps_lock, flag);
336  if (priv->RFChangeInProgress) {
337  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
338  RT_TRACE((COMP_PS | COMP_RF),
339  "MgntActSet_RF_State(): RF Change in "
340  "progress! Wait to set..StateToSet"
341  "(%d).\n", StateToSet);
342 
343  while (priv->RFChangeInProgress) {
344  RFWaitCounter++;
345  RT_TRACE((COMP_PS | COMP_RF),
346  "MgntActSet_RF_State(): Wait 1"
347  " ms (%d times)...\n",
348  RFWaitCounter);
349  mdelay(1);
350 
351  if (RFWaitCounter > 100) {
352  RT_TRACE(COMP_ERR, "MgntActSet_"
353  "RF_State(): Wait too "
354  "logn to set RF\n");
355  return false;
356  }
357  }
358  } else {
359  priv->RFChangeInProgress = true;
360  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
361  break;
362  }
363  }
364  }
365 
366  rtState = priv->rtllib->eRFPowerState;
367 
368  switch (StateToSet) {
369  case eRfOn:
370  priv->rtllib->RfOffReason &= (~ChangeSource);
371 
372  if ((ChangeSource == RF_CHANGE_BY_HW) &&
373  (priv->bHwRadioOff == true))
374  priv->bHwRadioOff = false;
375 
376  if (!priv->rtllib->RfOffReason) {
377  priv->rtllib->RfOffReason = 0;
378  bActionAllowed = true;
379 
380 
381  if (rtState == eRfOff &&
382  ChangeSource >= RF_CHANGE_BY_HW)
383  bConnectBySSID = true;
384  } else {
385  RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
386  "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
387  " ChangeSource=0x%X\n",
388  priv->rtllib->RfOffReason, ChangeSource);
389  }
390 
391  break;
392 
393  case eRfOff:
394 
395  if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
396  (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
397  if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
398  (ChangeSource > RF_CHANGE_BY_IPS)) {
399  if (ieee->state == RTLLIB_LINKED)
400  priv->blinked_ingpio = true;
401  else
402  priv->blinked_ingpio = false;
403  rtllib_MgntDisconnect(priv->rtllib,
404  disas_lv_ss);
405  }
406  }
407  if ((ChangeSource == RF_CHANGE_BY_HW) &&
408  (priv->bHwRadioOff == false))
409  priv->bHwRadioOff = true;
410  priv->rtllib->RfOffReason |= ChangeSource;
411  bActionAllowed = true;
412  break;
413 
414  case eRfSleep:
415  priv->rtllib->RfOffReason |= ChangeSource;
416  bActionAllowed = true;
417  break;
418 
419  default:
420  break;
421  }
422 
423  if (bActionAllowed) {
424  RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
425  " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
426  StateToSet, priv->rtllib->RfOffReason);
427  PHY_SetRFPowerState(dev, StateToSet);
428  if (StateToSet == eRfOn) {
429 
430  if (bConnectBySSID && (priv->blinked_ingpio == true)) {
431  queue_delayed_work_rsl(ieee->wq,
432  &ieee->associate_procedure_wq, 0);
433  priv->blinked_ingpio = false;
434  }
435  }
436  } else {
437  RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
438  "Action is rejected.... StateToSet(%d), ChangeSource"
439  "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
440  priv->rtllib->RfOffReason);
441  }
442 
443  if (!ProtectOrNot) {
444  spin_lock_irqsave(&priv->rf_ps_lock, flag);
445  priv->RFChangeInProgress = false;
446  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
447  }
448 
449  RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
450  return bActionAllowed;
451 }
452 
453 
454 static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
455 {
456  struct r8192_priv *priv = rtllib_priv(dev);
457  struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
458 
459  /* For now, we reserved two free descriptor as a safety boundary
460  * between the tail and the head
461  */
462  if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
463  RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
464  "queue_len=%d---------\n", prio, ring->idx,
465  skb_queue_len(&ring->queue));
466  return skb_queue_len(&ring->queue);
467 }
468 
469 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
470 {
471  struct r8192_priv *priv = rtllib_priv(dev);
472  struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
473 
474  if (ring->entries - skb_queue_len(&ring->queue) >= 2)
475  return 1;
476  return 0;
477 }
478 
479 void rtl8192_tx_timeout(struct net_device *dev)
480 {
481  struct r8192_priv *priv = rtllib_priv(dev);
482 
483  schedule_work(&priv->reset_wq);
484  printk(KERN_INFO "TXTIMEOUT");
485 }
486 
487 void rtl8192_irq_enable(struct net_device *dev)
488 {
489  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
490  priv->irq_enabled = 1;
491 
492  priv->ops->irq_enable(dev);
493 }
494 
495 void rtl8192_irq_disable(struct net_device *dev)
496 {
497  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
498 
499  priv->ops->irq_disable(dev);
500 
501  priv->irq_enabled = 0;
502 }
503 
504 void rtl8192_set_chan(struct net_device *dev, short ch)
505 {
506  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
507 
508  RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
509  if (priv->chan_forced)
510  return;
511 
512  priv->chan = ch;
513 
514  if (priv->rf_set_chan)
515  priv->rf_set_chan(dev, priv->chan);
516 }
517 
518 void rtl8192_update_cap(struct net_device *dev, u16 cap)
519 {
520  struct r8192_priv *priv = rtllib_priv(dev);
521  struct rtllib_network *net = &priv->rtllib->current_network;
522  bool ShortPreamble;
523 
524  if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
525  if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
526  ShortPreamble = true;
527  priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
528  RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
529  "PREAMBLE\n", __func__);
530  priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
531  (unsigned char *)&ShortPreamble);
532  }
533  } else {
534  if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
535  ShortPreamble = false;
536  priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
537  RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
538  "PREAMBLE\n", __func__);
539  priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
540  (unsigned char *)&ShortPreamble);
541  }
542  }
543 
544  if (net->mode & (IEEE_G|IEEE_N_24G)) {
545  u8 slot_time_val;
546  u8 CurSlotTime = priv->slot_time;
547 
548  if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
549  (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
550  if (CurSlotTime != SHORT_SLOT_TIME) {
551  slot_time_val = SHORT_SLOT_TIME;
552  priv->rtllib->SetHwRegHandler(dev,
553  HW_VAR_SLOT_TIME, &slot_time_val);
554  }
555  } else {
556  if (CurSlotTime != NON_SHORT_SLOT_TIME) {
557  slot_time_val = NON_SHORT_SLOT_TIME;
558  priv->rtllib->SetHwRegHandler(dev,
559  HW_VAR_SLOT_TIME, &slot_time_val);
560  }
561  }
562  }
563 }
564 
565 static struct rtllib_qos_parameters def_qos_parameters = {
566  {3, 3, 3, 3},
567  {7, 7, 7, 7},
568  {2, 2, 2, 2},
569  {0, 0, 0, 0},
570  {0, 0, 0, 0}
571 };
572 
573 static void rtl8192_update_beacon(void *data)
574 {
575  struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
576  update_beacon_wq.work);
577  struct net_device *dev = priv->rtllib->dev;
578  struct rtllib_device *ieee = priv->rtllib;
579  struct rtllib_network *net = &ieee->current_network;
580 
581  if (ieee->pHTInfo->bCurrentHTSupport)
582  HT_update_self_and_peer_setting(ieee, net);
583  ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
584  net->bssht.bdRT2RTLongSlotTime;
585  ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
586  rtl8192_update_cap(dev, net->capability);
587 }
588 
589 int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
590 
591 static void rtl8192_qos_activate(void *data)
592 {
593  struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
594  qos_activate);
595  struct net_device *dev = priv->rtllib->dev;
596  int i;
597 
598  mutex_lock(&priv->mutex);
599  if (priv->rtllib->state != RTLLIB_LINKED)
600  goto success;
601  RT_TRACE(COMP_QOS, "qos active process with associate response "
602  "received\n");
603 
604  for (i = 0; i < QOS_QUEUE_NUM; i++) {
605  priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
606  }
607 
608 success:
609  mutex_unlock(&priv->mutex);
610 }
611 
612 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
613  int active_network,
614  struct rtllib_network *network)
615 {
616  int ret = 0;
617  u32 size = sizeof(struct rtllib_qos_parameters);
618 
619  if (priv->rtllib->state != RTLLIB_LINKED)
620  return ret;
621 
622  if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
623  return ret;
624 
625  if (network->flags & NETWORK_HAS_QOS_MASK) {
626  if (active_network &&
627  (network->flags & NETWORK_HAS_QOS_PARAMETERS))
628  network->qos_data.active = network->qos_data.supported;
629 
630  if ((network->qos_data.active == 1) && (active_network == 1) &&
631  (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
632  (network->qos_data.old_param_count !=
633  network->qos_data.param_count)) {
634  network->qos_data.old_param_count =
635  network->qos_data.param_count;
636  priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
637  queue_work_rsl(priv->priv_wq, &priv->qos_activate);
638  RT_TRACE(COMP_QOS, "QoS parameters change call "
639  "qos_activate\n");
640  }
641  } else {
642  memcpy(&priv->rtllib->current_network.qos_data.parameters,
643  &def_qos_parameters, size);
644 
645  if ((network->qos_data.active == 1) && (active_network == 1)) {
646  queue_work_rsl(priv->priv_wq, &priv->qos_activate);
647  RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
648  "activate\n");
649  }
650  network->qos_data.active = 0;
651  network->qos_data.supported = 0;
652  }
653 
654  return 0;
655 }
656 
657 static int rtl8192_handle_beacon(struct net_device *dev,
658  struct rtllib_beacon *beacon,
659  struct rtllib_network *network)
660 {
661  struct r8192_priv *priv = rtllib_priv(dev);
662 
663  rtl8192_qos_handle_probe_response(priv, 1, network);
664 
665  queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
666  return 0;
667 
668 }
669 
670 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
671  struct rtllib_network *network)
672 {
673  int ret = 0;
674  unsigned long flags;
675  u32 size = sizeof(struct rtllib_qos_parameters);
676  int set_qos_param = 0;
677 
678  if ((priv == NULL) || (network == NULL))
679  return ret;
680 
681  if (priv->rtllib->state != RTLLIB_LINKED)
682  return ret;
683 
684  if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
685  return ret;
686 
687  spin_lock_irqsave(&priv->rtllib->lock, flags);
688  if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
689  memcpy(&priv->rtllib->current_network.qos_data.parameters,
690  &network->qos_data.parameters,
691  sizeof(struct rtllib_qos_parameters));
692  priv->rtllib->current_network.qos_data.active = 1;
693  priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
694  set_qos_param = 1;
695  priv->rtllib->current_network.qos_data.old_param_count =
696  priv->rtllib->current_network.qos_data.param_count;
697  priv->rtllib->current_network.qos_data.param_count =
698  network->qos_data.param_count;
699  } else {
700  memcpy(&priv->rtllib->current_network.qos_data.parameters,
701  &def_qos_parameters, size);
702  priv->rtllib->current_network.qos_data.active = 0;
703  priv->rtllib->current_network.qos_data.supported = 0;
704  set_qos_param = 1;
705  }
706 
707  spin_unlock_irqrestore(&priv->rtllib->lock, flags);
708 
709  RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
710  network->flags, priv->rtllib->current_network.qos_data.active);
711  if (set_qos_param == 1) {
712  dm_init_edca_turbo(priv->rtllib->dev);
713  queue_work_rsl(priv->priv_wq, &priv->qos_activate);
714  }
715  return ret;
716 }
717 
718 static int rtl8192_handle_assoc_response(struct net_device *dev,
719  struct rtllib_assoc_response_frame *resp,
720  struct rtllib_network *network)
721 {
722  struct r8192_priv *priv = rtllib_priv(dev);
723  rtl8192_qos_association_resp(priv, network);
724  return 0;
725 }
726 
727 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
728 {
729  struct net_device *dev = priv->rtllib->dev;
730  struct sk_buff *pskb = NULL, *pnewskb = NULL;
731  struct cb_desc *tcb_desc = NULL;
732  struct rtl8192_tx_ring *ring = NULL;
733  struct tx_desc *pdesc = NULL;
734 
735  ring = &priv->tx_ring[BEACON_QUEUE];
736  pskb = __skb_dequeue(&ring->queue);
737  kfree_skb(pskb);
738 
739  pnewskb = rtllib_get_beacon(priv->rtllib);
740  if (!pnewskb)
741  return;
742 
743  tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
744  tcb_desc->queue_index = BEACON_QUEUE;
745  tcb_desc->data_rate = 2;
746  tcb_desc->RATRIndex = 7;
747  tcb_desc->bTxDisableRateFallBack = 1;
748  tcb_desc->bTxUseDriverAssingedRate = 1;
749  skb_push(pnewskb, priv->rtllib->tx_headroom);
750 
751  pdesc = &ring->desc[0];
752  priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
753  __skb_queue_tail(&ring->queue, pnewskb);
754  pdesc->OWN = 1;
755 
756  return;
757 }
758 
759 static void rtl8192_stop_beacon(struct net_device *dev)
760 {
761 }
762 
763 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
764 {
765  struct r8192_priv *priv = rtllib_priv(dev);
766  struct rtllib_network *net;
767  u8 i = 0, basic_rate = 0;
768  net = &priv->rtllib->current_network;
769 
770  for (i = 0; i < net->rates_len; i++) {
771  basic_rate = net->rates[i] & 0x7f;
772  switch (basic_rate) {
773  case MGN_1M:
774  *rate_config |= RRSR_1M;
775  break;
776  case MGN_2M:
777  *rate_config |= RRSR_2M;
778  break;
779  case MGN_5_5M:
780  *rate_config |= RRSR_5_5M;
781  break;
782  case MGN_11M:
783  *rate_config |= RRSR_11M;
784  break;
785  case MGN_6M:
786  *rate_config |= RRSR_6M;
787  break;
788  case MGN_9M:
789  *rate_config |= RRSR_9M;
790  break;
791  case MGN_12M:
792  *rate_config |= RRSR_12M;
793  break;
794  case MGN_18M:
795  *rate_config |= RRSR_18M;
796  break;
797  case MGN_24M:
798  *rate_config |= RRSR_24M;
799  break;
800  case MGN_36M:
801  *rate_config |= RRSR_36M;
802  break;
803  case MGN_48M:
804  *rate_config |= RRSR_48M;
805  break;
806  case MGN_54M:
807  *rate_config |= RRSR_54M;
808  break;
809  }
810  }
811 
812  for (i = 0; i < net->rates_ex_len; i++) {
813  basic_rate = net->rates_ex[i] & 0x7f;
814  switch (basic_rate) {
815  case MGN_1M:
816  *rate_config |= RRSR_1M;
817  break;
818  case MGN_2M:
819  *rate_config |= RRSR_2M;
820  break;
821  case MGN_5_5M:
822  *rate_config |= RRSR_5_5M;
823  break;
824  case MGN_11M:
825  *rate_config |= RRSR_11M;
826  break;
827  case MGN_6M:
828  *rate_config |= RRSR_6M;
829  break;
830  case MGN_9M:
831  *rate_config |= RRSR_9M;
832  break;
833  case MGN_12M:
834  *rate_config |= RRSR_12M;
835  break;
836  case MGN_18M:
837  *rate_config |= RRSR_18M;
838  break;
839  case MGN_24M:
840  *rate_config |= RRSR_24M;
841  break;
842  case MGN_36M:
843  *rate_config |= RRSR_36M;
844  break;
845  case MGN_48M:
846  *rate_config |= RRSR_48M;
847  break;
848  case MGN_54M:
849  *rate_config |= RRSR_54M;
850  break;
851  }
852  }
853 }
854 
855 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
856 {
857  struct rtllib_device *ieee = priv->rtllib;
858  if (ieee->mode == WIRELESS_MODE_N_24G ||
859  ieee->mode == WIRELESS_MODE_N_5G) {
860  memcpy(ieee->Regdot11HTOperationalRateSet,
861  ieee->RegHTSuppRateSet, 16);
862  memcpy(ieee->Regdot11TxHTOperationalRateSet,
863  ieee->RegHTSuppRateSet, 16);
864 
865  } else {
866  memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
867  }
868  return;
869 }
870 
871 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
872 {
873  struct r8192_priv *priv = rtllib_priv(dev);
874  u8 ret = 0;
875 
876  switch (priv->rf_chip) {
877  case RF_8225:
878  case RF_8256:
879  case RF_6052:
880  case RF_PSEUDO_11N:
881  ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
882  break;
883  case RF_8258:
884  ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
885  break;
886  default:
887  ret = WIRELESS_MODE_B;
888  break;
889  }
890  return ret;
891 }
892 
893 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
894 {
895  struct r8192_priv *priv = rtllib_priv(dev);
896  u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
897 
898  if ((wireless_mode == WIRELESS_MODE_AUTO) ||
899  ((wireless_mode & bSupportMode) == 0)) {
900  if (bSupportMode & WIRELESS_MODE_N_24G) {
901  wireless_mode = WIRELESS_MODE_N_24G;
902  } else if (bSupportMode & WIRELESS_MODE_N_5G) {
903  wireless_mode = WIRELESS_MODE_N_5G;
904  } else if ((bSupportMode & WIRELESS_MODE_A)) {
905  wireless_mode = WIRELESS_MODE_A;
906  } else if ((bSupportMode & WIRELESS_MODE_G)) {
907  wireless_mode = WIRELESS_MODE_G;
908  } else if ((bSupportMode & WIRELESS_MODE_B)) {
909  wireless_mode = WIRELESS_MODE_B;
910  } else {
911  RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
912  "supported (%x)!!!\n", __func__, bSupportMode);
913  wireless_mode = WIRELESS_MODE_B;
914  }
915  }
916 
917  if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
918  (WIRELESS_MODE_G | WIRELESS_MODE_B))
919  wireless_mode = WIRELESS_MODE_G;
920 
921  priv->rtllib->mode = wireless_mode;
922 
923  ActUpdateChannelAccessSetting(dev, wireless_mode,
924  &priv->ChannelAccessSetting);
925 
926  if ((wireless_mode == WIRELESS_MODE_N_24G) ||
927  (wireless_mode == WIRELESS_MODE_N_5G)) {
928  priv->rtllib->pHTInfo->bEnableHT = 1;
929  RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
930  __func__, wireless_mode);
931  } else {
932  priv->rtllib->pHTInfo->bEnableHT = 0;
933  RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
934  __func__, wireless_mode);
935  }
936 
937  RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
938  rtl8192_refresh_supportrate(priv);
939 }
940 
941 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
942 {
943  struct r8192_priv *priv = rtllib_priv(dev);
944  struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
945  (&(priv->rtllib->PowerSaveControl));
946  bool init_status = true;
947  priv->bDriverIsGoingToUnload = false;
948  priv->bdisable_nic = false;
949 
950  priv->up = 1;
951  priv->rtllib->ieee_up = 1;
952 
953  priv->up_first_time = 0;
954  RT_TRACE(COMP_INIT, "Bringing up iface");
955  priv->bfirst_init = true;
956  init_status = priv->ops->initialize_adapter(dev);
957  if (init_status != true) {
958  RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
959  __func__);
960  priv->bfirst_init = false;
961  return -1;
962  }
963 
964  RT_TRACE(COMP_INIT, "start adapter finished\n");
965  RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
966  priv->bfirst_init = false;
967 
968  if (priv->polling_timer_on == 0)
969  check_rfctrl_gpio_timer((unsigned long)dev);
970 
971  if (priv->rtllib->state != RTLLIB_LINKED)
972  rtllib_softmac_start_protocol(priv->rtllib, 0);
973  rtllib_reset_queue(priv->rtllib);
974  watch_dog_timer_callback((unsigned long) dev);
975 
976  if (!netif_queue_stopped(dev))
977  netif_start_queue(dev);
978  else
979  netif_wake_queue(dev);
980 
981  return 0;
982 }
983 
984 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
985 {
986  struct r8192_priv *priv = rtllib_priv(dev);
987  unsigned long flags = 0;
988  u8 RFInProgressTimeOut = 0;
989 
990  if (priv->up == 0)
991  return -1;
992 
993  if (priv->rtllib->rtllib_ips_leave != NULL)
994  priv->rtllib->rtllib_ips_leave(dev);
995 
996  if (priv->rtllib->state == RTLLIB_LINKED)
997  LeisurePSLeave(dev);
998 
999  priv->bDriverIsGoingToUnload = true;
1000  priv->up = 0;
1001  priv->rtllib->ieee_up = 0;
1002  priv->bfirst_after_down = 1;
1003  RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1004  if (!netif_queue_stopped(dev))
1005  netif_stop_queue(dev);
1006 
1007  priv->rtllib->wpa_ie_len = 0;
1008  kfree(priv->rtllib->wpa_ie);
1009  priv->rtllib->wpa_ie = NULL;
1010  CamResetAllEntry(dev);
1011  memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1012  rtl8192_irq_disable(dev);
1013 
1014  del_timer_sync(&priv->watch_dog_timer);
1015  rtl8192_cancel_deferred_work(priv);
1016  cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1017 
1018  rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1019  spin_lock_irqsave(&priv->rf_ps_lock, flags);
1020  while (priv->RFChangeInProgress) {
1021  spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1022  if (RFInProgressTimeOut > 100) {
1023  spin_lock_irqsave(&priv->rf_ps_lock, flags);
1024  break;
1025  }
1026  RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1027  "until rf change is done.\n", __func__);
1028  mdelay(1);
1029  RFInProgressTimeOut++;
1030  spin_lock_irqsave(&priv->rf_ps_lock, flags);
1031  }
1032  priv->RFChangeInProgress = true;
1033  spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1034  priv->ops->stop_adapter(dev, false);
1035  spin_lock_irqsave(&priv->rf_ps_lock, flags);
1036  priv->RFChangeInProgress = false;
1037  spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1038  udelay(100);
1039  memset(&priv->rtllib->current_network, 0,
1040  offsetof(struct rtllib_network, list));
1041  RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1042 
1043  return 0;
1044 }
1045 
1046 static void rtl8192_init_priv_handler(struct net_device *dev)
1047 {
1048  struct r8192_priv *priv = rtllib_priv(dev);
1049 
1050  priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1051  priv->rtllib->set_chan = rtl8192_set_chan;
1052  priv->rtllib->link_change = priv->ops->link_change;
1053  priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1054  priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1055  priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1056  priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1057  priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1058  priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1059  priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1060  priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1061  priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1062  priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1063  priv->rf_set_chan = rtl8192_phy_SwChnl;
1064 
1065  priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1066  priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1067 
1068  priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1069  priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1070  priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1071 
1072  priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1073  priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1074  rtl8192_GetHalfNmodeSupportByAPs;
1075 
1076  priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1077  priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1078  priv->rtllib->SetFwCmdHandler = NULL;
1079  priv->rtllib->InitialGainHandler = InitialGain819xPci;
1080  priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1081  priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1082 
1083  priv->rtllib->LedControlHandler = NULL;
1084  priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1085 
1086  priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1087 
1088  priv->rtllib->rtllib_rfkill_poll = NULL;
1089 }
1090 
1091 static void rtl8192_init_priv_constant(struct net_device *dev)
1092 {
1093  struct r8192_priv *priv = rtllib_priv(dev);
1094  struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1095  &(priv->rtllib->PowerSaveControl);
1096 
1097  pPSC->RegMaxLPSAwakeIntvl = 5;
1098 
1099  priv->RegPciASPM = 2;
1100 
1101  priv->RegDevicePciASPMSetting = 0x03;
1102 
1103  priv->RegHostPciASPMSetting = 0x02;
1104 
1105  priv->RegHwSwRfOffD3 = 2;
1106 
1107  priv->RegSupportPciASPM = 2;
1108 }
1109 
1110 
1111 static void rtl8192_init_priv_variable(struct net_device *dev)
1112 {
1113  struct r8192_priv *priv = rtllib_priv(dev);
1114  u8 i;
1115 
1116  priv->AcmMethod = eAcmWay2_SW;
1117  priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1118  priv->rtllib->hwscan_sem_up = 1;
1119  priv->rtllib->status = 0;
1120  priv->H2CTxCmdSeq = 0;
1121  priv->bDisableFrameBursting = 0;
1122  priv->bDMInitialGainEnable = 1;
1123  priv->polling_timer_on = 0;
1124  priv->up_first_time = 1;
1125  priv->blinked_ingpio = false;
1126  priv->bDriverIsGoingToUnload = false;
1127  priv->being_init_adapter = false;
1128  priv->initialized_at_probe = false;
1129  priv->sw_radio_on = true;
1130  priv->bdisable_nic = false;
1131  priv->bfirst_init = false;
1132  priv->txringcount = 64;
1133  priv->rxbuffersize = 9100;
1134  priv->rxringcount = MAX_RX_COUNT;
1135  priv->irq_enabled = 0;
1136  priv->chan = 1;
1137  priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1138  priv->RegChannelPlan = 0xf;
1139  priv->nrxAMPDU_size = 0;
1140  priv->nrxAMPDU_aggr_num = 0;
1141  priv->last_rxdesc_tsf_high = 0;
1142  priv->last_rxdesc_tsf_low = 0;
1143  priv->rtllib->mode = WIRELESS_MODE_AUTO;
1144  priv->rtllib->iw_mode = IW_MODE_INFRA;
1145  priv->rtllib->bNetPromiscuousMode = false;
1146  priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1147  priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1148  false;
1149  priv->rtllib->ieee_up = 0;
1150  priv->retry_rts = DEFAULT_RETRY_RTS;
1151  priv->retry_data = DEFAULT_RETRY_DATA;
1152  priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1153  priv->rtllib->rate = 110;
1154  priv->rtllib->short_slot = 1;
1155  priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1156  priv->bcck_in_ch14 = false;
1157  priv->bfsync_processing = false;
1158  priv->CCKPresentAttentuation = 0;
1159  priv->rfa_txpowertrackingindex = 0;
1160  priv->rfc_txpowertrackingindex = 0;
1161  priv->CckPwEnl = 6;
1162  priv->ScanDelay = 50;
1163  priv->ResetProgress = RESET_TYPE_NORESET;
1164  priv->bForcedSilentReset = 0;
1165  priv->bDisableNormalResetCheck = false;
1166  priv->force_reset = false;
1167  memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1168 
1169  memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1170  priv->RxCounter = 0;
1171  priv->rtllib->wx_set_enc = 0;
1172  priv->bHwRadioOff = false;
1173  priv->RegRfOff = 0;
1174  priv->isRFOff = false;
1175  priv->bInPowerSaveMode = false;
1176  priv->rtllib->RfOffReason = 0;
1177  priv->RFChangeInProgress = false;
1178  priv->bHwRfOffAction = 0;
1179  priv->SetRFPowerStateInProgress = false;
1180  priv->rtllib->PowerSaveControl.bInactivePs = true;
1181  priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1182  priv->rtllib->PowerSaveControl.bLeisurePs = true;
1183  priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1184  priv->rtllib->LPSDelayCnt = 0;
1185  priv->rtllib->sta_sleep = LPS_IS_WAKE;
1186  priv->rtllib->eRFPowerState = eRfOn;
1187 
1188  priv->txpower_checkcnt = 0;
1189  priv->thermal_readback_index = 0;
1190  priv->txpower_tracking_callback_cnt = 0;
1191  priv->ccktxpower_adjustcnt_ch14 = 0;
1192  priv->ccktxpower_adjustcnt_not_ch14 = 0;
1193 
1194  priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1195  priv->rtllib->iw_mode = IW_MODE_INFRA;
1196  priv->rtllib->active_scan = 1;
1197  priv->rtllib->be_scan_inprogress = false;
1198  priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1199  RTLLIB_OFDM_MODULATION;
1200  priv->rtllib->host_encrypt = 1;
1201  priv->rtllib->host_decrypt = 1;
1202 
1203  priv->rtllib->dot11PowerSaveMode = eActive;
1204  priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1205  priv->rtllib->MaxMssDensity = 0;
1206  priv->rtllib->MinSpaceCfg = 0;
1207 
1208  priv->card_type = PCI;
1209 
1210  priv->AcmControl = 0;
1211  priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1212  if (!priv->pFirmware)
1213  printk(KERN_ERR "rtl8192e: Unable to allocate space "
1214  "for firmware\n");
1215 
1216  skb_queue_head_init(&priv->rx_queue);
1217  skb_queue_head_init(&priv->skb_queue);
1218 
1219  for (i = 0; i < MAX_QUEUE_SIZE; i++)
1220  skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1221  for (i = 0; i < MAX_QUEUE_SIZE; i++)
1222  skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1223 }
1224 
1225 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1226 {
1227  spin_lock_init(&priv->fw_scan_lock);
1228  spin_lock_init(&priv->tx_lock);
1229  spin_lock_init(&priv->irq_lock);
1230  spin_lock_init(&priv->irq_th_lock);
1231  spin_lock_init(&priv->rf_ps_lock);
1232  spin_lock_init(&priv->ps_lock);
1233  spin_lock_init(&priv->rf_lock);
1234  spin_lock_init(&priv->rt_h2c_lock);
1235  sema_init(&priv->wx_sem, 1);
1236  sema_init(&priv->rf_sem, 1);
1237  mutex_init(&priv->mutex);
1238 }
1239 
1240 static void rtl8192_init_priv_task(struct net_device *dev)
1241 {
1242  struct r8192_priv *priv = rtllib_priv(dev);
1243 
1244  priv->priv_wq = create_workqueue(DRV_NAME);
1245  INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1246  INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1247  INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1248  (void *)rtl819x_watchdog_wqcallback, dev);
1249  INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1250  (void *)dm_txpower_trackingcallback, dev);
1251  INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1252  (void *)dm_rf_pathcheck_workitemcallback, dev);
1253  INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1254  (void *)rtl8192_update_beacon, dev);
1255  INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1256  INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1257  (void *) rtl8192_hw_wakeup_wq, dev);
1258  INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1259  (void *) rtl8192_hw_sleep_wq, dev);
1260  tasklet_init(&priv->irq_rx_tasklet,
1261  (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1262  (unsigned long)priv);
1263  tasklet_init(&priv->irq_tx_tasklet,
1264  (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1265  (unsigned long)priv);
1266  tasklet_init(&priv->irq_prepare_beacon_tasklet,
1267  (void(*)(unsigned long))rtl8192_prepare_beacon,
1268  (unsigned long)priv);
1269 }
1270 
1271 static short rtl8192_get_channel_map(struct net_device *dev)
1272 {
1273  int i;
1274 
1275  struct r8192_priv *priv = rtllib_priv(dev);
1276  if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1277  && (priv->rf_chip != RF_6052)) {
1278  RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1279  "map\n", __func__);
1280  return -1;
1281  }
1282 
1283  if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1284  printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1285  "default.\n");
1286  priv->ChannelPlan = COUNTRY_CODE_FCC;
1287  }
1288  RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1289  dot11d_init(priv->rtllib);
1290  Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1291  for (i = 1; i <= 11; i++)
1292  (priv->rtllib->active_channel_map)[i] = 1;
1293  (priv->rtllib->active_channel_map)[12] = 2;
1294  (priv->rtllib->active_channel_map)[13] = 2;
1295 
1296  return 0;
1297 }
1298 
1299 static short rtl8192_init(struct net_device *dev)
1300 {
1301  struct r8192_priv *priv = rtllib_priv(dev);
1302 
1303  memset(&(priv->stats), 0, sizeof(struct rt_stats));
1304 
1305  rtl8192_init_priv_handler(dev);
1306  rtl8192_init_priv_constant(dev);
1307  rtl8192_init_priv_variable(dev);
1308  rtl8192_init_priv_lock(priv);
1309  rtl8192_init_priv_task(dev);
1310  priv->ops->get_eeprom_size(dev);
1311  priv->ops->init_adapter_variable(dev);
1312  rtl8192_get_channel_map(dev);
1313 
1314  init_hal_dm(dev);
1315 
1316  init_timer(&priv->watch_dog_timer);
1317  setup_timer(&priv->watch_dog_timer,
1318  watch_dog_timer_callback,
1319  (unsigned long) dev);
1320 
1321  init_timer(&priv->gpio_polling_timer);
1322  setup_timer(&priv->gpio_polling_timer,
1323  check_rfctrl_gpio_timer,
1324  (unsigned long)dev);
1325 
1326  rtl8192_irq_disable(dev);
1327  if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, IRQF_SHARED,
1328  dev->name, dev)) {
1329  printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1330  return -1;
1331  } else {
1332  priv->irq = dev->irq;
1333  RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1334  }
1335 
1336  if (rtl8192_pci_initdescring(dev) != 0) {
1337  printk(KERN_ERR "Endopoints initialization failed");
1338  free_irq(dev->irq, dev);
1339  return -1;
1340  }
1341 
1342  return 0;
1343 }
1344 
1345 /***************************************************************************
1346  -------------------------------WATCHDOG STUFF---------------------------
1347 ***************************************************************************/
1348 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1349 {
1350  int i = 0;
1351  struct r8192_priv *priv = rtllib_priv(dev);
1352  for (i = 0; i <= MGNT_QUEUE; i++) {
1353  if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1354  continue;
1355  if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1356  printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1357  i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1358  return 0;
1359  }
1360  }
1361  return 1;
1362 }
1363 
1364 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1365 {
1366  struct r8192_priv *priv = rtllib_priv(dev);
1367  u8 QueueID;
1368  u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1369  bool bCheckFwTxCnt = false;
1370  struct rtl8192_tx_ring *ring = NULL;
1371  struct sk_buff *skb = NULL;
1372  struct cb_desc *tcb_desc = NULL;
1373  unsigned long flags = 0;
1374 
1375  switch (priv->rtllib->ps) {
1376  case RTLLIB_PS_DISABLED:
1377  ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1378  break;
1379  case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1380  ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1381  break;
1382  default:
1383  ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1384  break;
1385  }
1386  spin_lock_irqsave(&priv->irq_th_lock, flags);
1387  for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1388  if (QueueID == TXCMD_QUEUE)
1389  continue;
1390 
1391  if (QueueID == BEACON_QUEUE)
1392  continue;
1393 
1394  ring = &priv->tx_ring[QueueID];
1395 
1396  if (skb_queue_len(&ring->queue) == 0) {
1397  continue;
1398  } else {
1399  skb = (&ring->queue)->next;
1400  tcb_desc = (struct cb_desc *)(skb->cb +
1401  MAX_DEV_ADDR_SIZE);
1402  tcb_desc->nStuckCount++;
1403  bCheckFwTxCnt = true;
1404  if (tcb_desc->nStuckCount > 1)
1405  printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1406  "StuckCount=%d\n", __func__, QueueID,
1407  tcb_desc->nStuckCount);
1408  }
1409  }
1410  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1411 
1412  if (bCheckFwTxCnt) {
1413  if (priv->ops->TxCheckStuckHandler(dev)) {
1414  RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1415  " Tx condition!\n");
1416  return RESET_TYPE_SILENT;
1417  }
1418  }
1419 
1420  return RESET_TYPE_NORESET;
1421 }
1422 
1423 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1424 {
1425  struct r8192_priv *priv = rtllib_priv(dev);
1426 
1427  if (priv->ops->RxCheckStuckHandler(dev)) {
1428  RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1429  return RESET_TYPE_SILENT;
1430  }
1431 
1432  return RESET_TYPE_NORESET;
1433 }
1434 
1435 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1436 {
1437  struct r8192_priv *priv = rtllib_priv(dev);
1438  enum reset_type TxResetType = RESET_TYPE_NORESET;
1439  enum reset_type RxResetType = RESET_TYPE_NORESET;
1440  enum rt_rf_power_state rfState;
1441 
1442  rfState = priv->rtllib->eRFPowerState;
1443 
1444  if (rfState == eRfOn)
1445  TxResetType = rtl819x_TxCheckStuck(dev);
1446 
1447  if (rfState == eRfOn &&
1448  (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1449  (priv->rtllib->state == RTLLIB_LINKED))
1450  RxResetType = rtl819x_RxCheckStuck(dev);
1451 
1452  if (TxResetType == RESET_TYPE_NORMAL ||
1453  RxResetType == RESET_TYPE_NORMAL) {
1454  printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1455  __func__, TxResetType, RxResetType);
1456  return RESET_TYPE_NORMAL;
1457  } else if (TxResetType == RESET_TYPE_SILENT ||
1458  RxResetType == RESET_TYPE_SILENT) {
1459  printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1460  __func__, TxResetType, RxResetType);
1461  return RESET_TYPE_SILENT;
1462  } else {
1463  return RESET_TYPE_NORESET;
1464  }
1465 
1466 }
1467 
1468 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1469 {
1470 }
1471 
1472 static void rtl819x_ifsilentreset(struct net_device *dev)
1473 {
1474  struct r8192_priv *priv = rtllib_priv(dev);
1475  u8 reset_times = 0;
1476  int reset_status = 0;
1477  struct rtllib_device *ieee = priv->rtllib;
1478  unsigned long flag;
1479 
1480  u8 IsPortal = 0;
1481 
1482 
1483  if (priv->ResetProgress == RESET_TYPE_NORESET) {
1484 
1485  RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1486 
1487  priv->ResetProgress = RESET_TYPE_SILENT;
1488 
1489  spin_lock_irqsave(&priv->rf_ps_lock, flag);
1490  if (priv->RFChangeInProgress) {
1491  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1492  goto END;
1493  }
1494  priv->RFChangeInProgress = true;
1495  priv->bResetInProgress = true;
1496  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1497 
1498 RESET_START:
1499 
1500  down(&priv->wx_sem);
1501 
1502  if (priv->rtllib->state == RTLLIB_LINKED)
1503  LeisurePSLeave(dev);
1504 
1505  if (IS_NIC_DOWN(priv)) {
1506  RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1507  "return\n", __func__);
1508  up(&priv->wx_sem);
1509  return ;
1510  }
1511  priv->up = 0;
1512 
1513  RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1514  __func__);
1515  mdelay(1000);
1516  RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1517  " to down the driver\n", __func__);
1518 
1519  if (!netif_queue_stopped(dev))
1520  netif_stop_queue(dev);
1521 
1522  rtl8192_irq_disable(dev);
1523  del_timer_sync(&priv->watch_dog_timer);
1524  rtl8192_cancel_deferred_work(priv);
1525  deinit_hal_dm(dev);
1526  rtllib_stop_scan_syncro(ieee);
1527 
1528  if (ieee->state == RTLLIB_LINKED) {
1529  SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1530  printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1531  rtllib_stop_send_beacons(priv->rtllib);
1532  del_timer_sync(&ieee->associate_timer);
1533  cancel_delayed_work(&ieee->associate_retry_wq);
1534  rtllib_stop_scan(ieee);
1535  netif_carrier_off(dev);
1536  SEM_UP_IEEE_WX(&ieee->wx_sem);
1537  } else {
1538  printk(KERN_INFO "ieee->state is NOT LINKED\n");
1539  rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1540  }
1541 
1542  dm_backup_dynamic_mechanism_state(dev);
1543 
1544  up(&priv->wx_sem);
1545  RT_TRACE(COMP_RESET, "%s():<==========down process is "
1546  "finished\n", __func__);
1547 
1548  RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1549  __func__);
1550  reset_status = _rtl8192_up(dev, true);
1551 
1552  RT_TRACE(COMP_RESET, "%s():<===========up process is "
1553  "finished\n", __func__);
1554  if (reset_status == -1) {
1555  if (reset_times < 3) {
1556  reset_times++;
1557  goto RESET_START;
1558  } else {
1559  RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset "
1560  "Failed!!\n", __func__);
1561  }
1562  }
1563 
1564  ieee->is_silent_reset = 1;
1565 
1566  spin_lock_irqsave(&priv->rf_ps_lock, flag);
1567  priv->RFChangeInProgress = false;
1568  spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1569 
1570  EnableHWSecurityConfig8192(dev);
1571 
1572  if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1573  IW_MODE_INFRA) {
1574  ieee->set_chan(ieee->dev,
1575  ieee->current_network.channel);
1576 
1577  queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1578 
1579  } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1580  IW_MODE_ADHOC) {
1581  ieee->set_chan(ieee->dev,
1582  ieee->current_network.channel);
1583  ieee->link_change(ieee->dev);
1584 
1585  notify_wx_assoc_event(ieee);
1586 
1587  rtllib_start_send_beacons(ieee);
1588 
1589  if (ieee->data_hard_resume)
1590  ieee->data_hard_resume(ieee->dev);
1591  netif_carrier_on(ieee->dev);
1592  } else if (ieee->iw_mode == IW_MODE_MESH) {
1593  rtl819x_silentreset_mesh_bk(dev, IsPortal);
1594  }
1595 
1596  CamRestoreAllEntry(dev);
1597  dm_restore_dynamic_mechanism_state(dev);
1598 END:
1599  priv->ResetProgress = RESET_TYPE_NORESET;
1600  priv->reset_count++;
1601 
1602  priv->bForcedSilentReset = false;
1603  priv->bResetInProgress = false;
1604 
1605  write_nic_byte(dev, UFWP, 1);
1606  RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1607  priv->reset_count);
1608  }
1609 }
1610 
1611 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1612  u32 *TotalRxDataNum)
1613 {
1614  u16 SlotIndex;
1615  u8 i;
1616 
1617  *TotalRxBcnNum = 0;
1618  *TotalRxDataNum = 0;
1619 
1620  SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1621  (priv->rtllib->LinkDetectInfo.SlotNum);
1622  priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1623  priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1624  priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1625  priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1626  for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1627  *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1628  *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1629  }
1630 }
1631 
1632 
1633 void rtl819x_watchdog_wqcallback(void *data)
1634 {
1635  struct r8192_priv *priv = container_of_dwork_rsl(data,
1636  struct r8192_priv, watch_dog_wq);
1637  struct net_device *dev = priv->rtllib->dev;
1638  struct rtllib_device *ieee = priv->rtllib;
1639  enum reset_type ResetType = RESET_TYPE_NORESET;
1640  static u8 check_reset_cnt;
1641  unsigned long flags;
1642  struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1643  (&(priv->rtllib->PowerSaveControl));
1644  bool bBusyTraffic = false;
1645  bool bHigherBusyTraffic = false;
1646  bool bHigherBusyRxTraffic = false;
1647  bool bEnterPS = false;
1648 
1649  if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1650  return;
1651 
1652  if (priv->rtllib->state >= RTLLIB_LINKED) {
1653  if (priv->rtllib->CntAfterLink < 2)
1654  priv->rtllib->CntAfterLink++;
1655  } else {
1656  priv->rtllib->CntAfterLink = 0;
1657  }
1658 
1659  hal_dm_watchdog(dev);
1660 
1661  if (rtllib_act_scanning(priv->rtllib, false) == false) {
1662  if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1663  RTLLIB_NOLINK) &&
1664  (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1665  (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1666  if ((ieee->PowerSaveControl.ReturnPoint ==
1667  IPS_CALLBACK_NONE) &&
1668  (!ieee->bNetPromiscuousMode)) {
1669  RT_TRACE(COMP_PS, "====================>haha: "
1670  "IPSEnter()\n");
1671  IPSEnter(dev);
1672  }
1673  }
1674  }
1675  if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1676  IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1677  if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1678  ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1679  bBusyTraffic = true;
1680 
1681 
1682  if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1683  ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1684  bHigherBusyTraffic = true;
1685  if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1686  bHigherBusyRxTraffic = true;
1687  else
1688  bHigherBusyRxTraffic = false;
1689  }
1690 
1691  if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1692  ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1693  (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1694  bEnterPS = false;
1695  else
1696  bEnterPS = true;
1697 
1698  if (ieee->current_network.beacon_interval < 95)
1699  bEnterPS = false;
1700 
1701  if (bEnterPS)
1702  LeisurePSEnter(dev);
1703  else
1704  LeisurePSLeave(dev);
1705 
1706  } else {
1707  RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1708  LeisurePSLeave(dev);
1709  }
1710 
1711  ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1712  ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1713  ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1714  ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1715 
1716  ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1717  ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1718 
1719  if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1720  u32 TotalRxBcnNum = 0;
1721  u32 TotalRxDataNum = 0;
1722 
1723  rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1724 
1725  if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1726  priv->check_roaming_cnt++;
1727  else
1728  priv->check_roaming_cnt = 0;
1729 
1730 
1731  if (priv->check_roaming_cnt > 0) {
1732  if (ieee->eRFPowerState == eRfOff)
1733  RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1734 
1735  printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1736  " connect another one\n", __func__, priv->chan);
1737 
1738  ieee->state = RTLLIB_ASSOCIATING;
1739 
1740  RemovePeerTS(priv->rtllib,
1741  priv->rtllib->current_network.bssid);
1742  ieee->is_roaming = true;
1743  ieee->is_set_key = false;
1744  ieee->link_change(dev);
1745  if (ieee->LedControlHandler)
1746  ieee->LedControlHandler(ieee->dev,
1747  LED_CTL_START_TO_LINK);
1748 
1749  notify_wx_assoc_event(ieee);
1750 
1751  if (!(ieee->rtllib_ap_sec_type(ieee) &
1752  (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1753  queue_delayed_work_rsl(ieee->wq,
1754  &ieee->associate_procedure_wq, 0);
1755 
1756  priv->check_roaming_cnt = 0;
1757  }
1758  ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1759  ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1760 
1761  }
1762 
1763  spin_lock_irqsave(&priv->tx_lock, flags);
1764  if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1765  (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1766  ResetType = rtl819x_ifcheck_resetornot(dev);
1767  check_reset_cnt = 3;
1768  }
1769  spin_unlock_irqrestore(&priv->tx_lock, flags);
1770 
1771  if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1772  priv->ResetProgress = RESET_TYPE_NORMAL;
1773  RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1774  return;
1775  }
1776 
1777  if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1778  ResetType == RESET_TYPE_SILENT)))
1779  rtl819x_ifsilentreset(dev);
1780  priv->force_reset = false;
1781  priv->bForcedSilentReset = false;
1782  priv->bResetInProgress = false;
1783  RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1784 }
1785 
1786 void watch_dog_timer_callback(unsigned long data)
1787 {
1788  struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1789  queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1790  mod_timer(&priv->watch_dog_timer, jiffies +
1791  MSECS(RTLLIB_WATCH_DOG_TIME));
1792 }
1793 
1794 /****************************************************************************
1795  ---------------------------- NIC TX/RX STUFF---------------------------
1796 *****************************************************************************/
1797 void rtl8192_rx_enable(struct net_device *dev)
1798 {
1799  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1800  priv->ops->rx_enable(dev);
1801 }
1802 
1803 void rtl8192_tx_enable(struct net_device *dev)
1804 {
1805  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1806 
1807  priv->ops->tx_enable(dev);
1808 
1809  rtllib_reset_queue(priv->rtllib);
1810 }
1811 
1812 
1813 static void rtl8192_free_rx_ring(struct net_device *dev)
1814 {
1815  struct r8192_priv *priv = rtllib_priv(dev);
1816  int i, rx_queue_idx;
1817 
1818  for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1819  rx_queue_idx++) {
1820  for (i = 0; i < priv->rxringcount; i++) {
1821  struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1822  if (!skb)
1823  continue;
1824 
1825  pci_unmap_single(priv->pdev,
1826  *((dma_addr_t *)skb->cb),
1827  priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1828  kfree_skb(skb);
1829  }
1830 
1831  pci_free_consistent(priv->pdev,
1832  sizeof(*priv->rx_ring[rx_queue_idx]) *
1833  priv->rxringcount,
1834  priv->rx_ring[rx_queue_idx],
1835  priv->rx_ring_dma[rx_queue_idx]);
1836  priv->rx_ring[rx_queue_idx] = NULL;
1837  }
1838 }
1839 
1840 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1841 {
1842  struct r8192_priv *priv = rtllib_priv(dev);
1843  struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1844 
1845  while (skb_queue_len(&ring->queue)) {
1846  struct tx_desc *entry = &ring->desc[ring->idx];
1847  struct sk_buff *skb = __skb_dequeue(&ring->queue);
1848 
1849  pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1850  skb->len, PCI_DMA_TODEVICE);
1851  kfree_skb(skb);
1852  ring->idx = (ring->idx + 1) % ring->entries;
1853  }
1854 
1855  pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1856  ring->desc, ring->dma);
1857  ring->desc = NULL;
1858 }
1859 
1860 void rtl8192_data_hard_stop(struct net_device *dev)
1861 {
1862 }
1863 
1864 
1865 void rtl8192_data_hard_resume(struct net_device *dev)
1866 {
1867 }
1868 
1869 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1870  int rate)
1871 {
1872  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1873  int ret;
1874  struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1875  MAX_DEV_ADDR_SIZE);
1876  u8 queue_index = tcb_desc->queue_index;
1877 
1878  if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1879  priv->bResetInProgress) {
1880  kfree_skb(skb);
1881  return;
1882  }
1883 
1884  assert(queue_index != TXCMD_QUEUE);
1885 
1886 
1887  memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1888  skb_push(skb, priv->rtllib->tx_headroom);
1889  ret = rtl8192_tx(dev, skb);
1890  if (ret != 0) {
1891  kfree_skb(skb);
1892  };
1893 
1894  if (queue_index != MGNT_QUEUE) {
1895  priv->rtllib->stats.tx_bytes += (skb->len -
1896  priv->rtllib->tx_headroom);
1897  priv->rtllib->stats.tx_packets++;
1898  }
1899 
1900 
1901  return;
1902 }
1903 
1904 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1905 {
1906  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1907  int ret;
1908  struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1909  MAX_DEV_ADDR_SIZE);
1910  u8 queue_index = tcb_desc->queue_index;
1911 
1912  if (queue_index != TXCMD_QUEUE) {
1913  if ((priv->rtllib->eRFPowerState == eRfOff) ||
1914  IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1915  kfree_skb(skb);
1916  return 0;
1917  }
1918  }
1919 
1920  memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1921  if (queue_index == TXCMD_QUEUE) {
1922  rtl8192_tx_cmd(dev, skb);
1923  ret = 0;
1924  return ret;
1925  } else {
1926  tcb_desc->RATRIndex = 7;
1927  tcb_desc->bTxDisableRateFallBack = 1;
1928  tcb_desc->bTxUseDriverAssingedRate = 1;
1929  tcb_desc->bTxEnableFwCalcDur = 1;
1930  skb_push(skb, priv->rtllib->tx_headroom);
1931  ret = rtl8192_tx(dev, skb);
1932  if (ret != 0) {
1933  kfree_skb(skb);
1934  };
1935  }
1936 
1937 
1938 
1939  return ret;
1940 
1941 }
1942 
1943 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1944 {
1945  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1946 
1947  struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1948 
1949  while (skb_queue_len(&ring->queue)) {
1950  struct tx_desc *entry = &ring->desc[ring->idx];
1951  struct sk_buff *skb;
1952 
1953  if (prio != BEACON_QUEUE) {
1954  if (entry->OWN)
1955  return;
1956  ring->idx = (ring->idx + 1) % ring->entries;
1957  }
1958 
1959  skb = __skb_dequeue(&ring->queue);
1960  pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1961  skb->len, PCI_DMA_TODEVICE);
1962 
1963  kfree_skb(skb);
1964  }
1965  if (prio != BEACON_QUEUE)
1966  tasklet_schedule(&priv->irq_tx_tasklet);
1967 }
1968 
1969 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1970 {
1971  struct r8192_priv *priv = rtllib_priv(dev);
1972  struct rtl8192_tx_ring *ring;
1973  struct tx_desc_cmd *entry;
1974  unsigned int idx;
1975  struct cb_desc *tcb_desc;
1976  unsigned long flags;
1977 
1978  spin_lock_irqsave(&priv->irq_th_lock, flags);
1979  ring = &priv->tx_ring[TXCMD_QUEUE];
1980 
1981  idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1982  entry = (struct tx_desc_cmd *) &ring->desc[idx];
1983 
1984  tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1985 
1986  priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1987 
1988  __skb_queue_tail(&ring->queue, skb);
1989  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1990 
1991  return;
1992 }
1993 
1994 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1995 {
1996  struct r8192_priv *priv = rtllib_priv(dev);
1997  struct rtl8192_tx_ring *ring;
1998  unsigned long flags;
1999  struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2000  MAX_DEV_ADDR_SIZE);
2001  struct tx_desc *pdesc = NULL;
2002  struct rtllib_hdr_1addr *header = NULL;
2003  u16 fc = 0, type = 0, stype = 0;
2004  bool multi_addr = false, broad_addr = false, uni_addr = false;
2005  u8 *pda_addr = NULL;
2006  int idx;
2007  u32 fwinfo_size = 0;
2008 
2009  if (priv->bdisable_nic) {
2010  RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2011  " len=%d qidx=%d!!!\n", __func__, skb->len,
2012  tcb_desc->queue_index);
2013  return skb->len;
2014  }
2015 
2016  priv->rtllib->bAwakePktSent = true;
2017 
2018  fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2019 
2020  header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2021  fc = header->frame_ctl;
2022  type = WLAN_FC_GET_TYPE(fc);
2023  stype = WLAN_FC_GET_STYPE(fc);
2024  pda_addr = header->addr1;
2025 
2026  if (is_broadcast_ether_addr(pda_addr))
2027  broad_addr = true;
2028  else if (is_multicast_ether_addr(pda_addr))
2029  multi_addr = true;
2030  else
2031  uni_addr = true;
2032 
2033  if (uni_addr)
2034  priv->stats.txbytesunicast += skb->len - fwinfo_size;
2035  else if (multi_addr)
2036  priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2037  else
2038  priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2039 
2040  spin_lock_irqsave(&priv->irq_th_lock, flags);
2041  ring = &priv->tx_ring[tcb_desc->queue_index];
2042  if (tcb_desc->queue_index != BEACON_QUEUE)
2043  idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2044  else
2045  idx = 0;
2046 
2047  pdesc = &ring->desc[idx];
2048  if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2049  RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2050  "%d, skblen = 0x%x queuelen=%d",
2051  tcb_desc->queue_index, ring->idx, idx, skb->len,
2052  skb_queue_len(&ring->queue));
2053  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2054  return skb->len;
2055  }
2056 
2057  if (type == RTLLIB_FTYPE_DATA) {
2058  if (priv->rtllib->LedControlHandler)
2059  priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2060  }
2061  priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2062  __skb_queue_tail(&ring->queue, skb);
2063  pdesc->OWN = 1;
2064  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2065  dev->trans_start = jiffies;
2066 
2067  write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2068  return 0;
2069 }
2070 
2071 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2072 {
2073  struct r8192_priv *priv = rtllib_priv(dev);
2074  struct rx_desc *entry = NULL;
2075  int i, rx_queue_idx;
2076 
2077  for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2078  priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2079  sizeof(*priv->rx_ring[rx_queue_idx]) *
2080  priv->rxringcount,
2081  &priv->rx_ring_dma[rx_queue_idx]);
2082 
2083  if (!priv->rx_ring[rx_queue_idx] ||
2084  (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2085  RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2086  return -ENOMEM;
2087  }
2088 
2089  memset(priv->rx_ring[rx_queue_idx], 0,
2090  sizeof(*priv->rx_ring[rx_queue_idx]) *
2091  priv->rxringcount);
2092  priv->rx_idx[rx_queue_idx] = 0;
2093 
2094  for (i = 0; i < priv->rxringcount; i++) {
2095  struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2096  dma_addr_t *mapping;
2097  entry = &priv->rx_ring[rx_queue_idx][i];
2098  if (!skb)
2099  return 0;
2100  skb->dev = dev;
2101  priv->rx_buf[rx_queue_idx][i] = skb;
2102  mapping = (dma_addr_t *)skb->cb;
2103  *mapping = pci_map_single(priv->pdev,
2104  skb_tail_pointer_rsl(skb),
2105  priv->rxbuffersize,
2106  PCI_DMA_FROMDEVICE);
2107 
2108  entry->BufferAddress = cpu_to_le32(*mapping);
2109 
2110  entry->Length = priv->rxbuffersize;
2111  entry->OWN = 1;
2112  }
2113 
2114  if(entry)
2115  entry->EOR = 1;
2116  }
2117  return 0;
2118 }
2119 
2120 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2121  unsigned int prio, unsigned int entries)
2122 {
2123  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2124  struct tx_desc *ring;
2125  dma_addr_t dma;
2126  int i;
2127 
2128  ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2129  if (!ring || (unsigned long)ring & 0xFF) {
2130  RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2131  prio);
2132  return -ENOMEM;
2133  }
2134 
2135  memset(ring, 0, sizeof(*ring)*entries);
2136  priv->tx_ring[prio].desc = ring;
2137  priv->tx_ring[prio].dma = dma;
2138  priv->tx_ring[prio].idx = 0;
2139  priv->tx_ring[prio].entries = entries;
2140  skb_queue_head_init(&priv->tx_ring[prio].queue);
2141 
2142  for (i = 0; i < entries; i++)
2143  ring[i].NextDescAddress =
2144  cpu_to_le32((u32)dma + ((i + 1) % entries) *
2145  sizeof(*ring));
2146 
2147  return 0;
2148 }
2149 
2150 
2151 short rtl8192_pci_initdescring(struct net_device *dev)
2152 {
2153  u32 ret;
2154  int i;
2155  struct r8192_priv *priv = rtllib_priv(dev);
2156 
2157  ret = rtl8192_alloc_rx_desc_ring(dev);
2158  if (ret)
2159  return ret;
2160 
2161  for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2162  ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2163  if (ret)
2164  goto err_free_rings;
2165  }
2166 
2167  return 0;
2168 
2169 err_free_rings:
2170  rtl8192_free_rx_ring(dev);
2171  for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2172  if (priv->tx_ring[i].desc)
2173  rtl8192_free_tx_ring(dev, i);
2174  return 1;
2175 }
2176 
2177 void rtl8192_pci_resetdescring(struct net_device *dev)
2178 {
2179  struct r8192_priv *priv = rtllib_priv(dev);
2180  int i, rx_queue_idx;
2181  unsigned long flags = 0;
2182 
2183  for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2184  if (priv->rx_ring[rx_queue_idx]) {
2185  struct rx_desc *entry = NULL;
2186  for (i = 0; i < priv->rxringcount; i++) {
2187  entry = &priv->rx_ring[rx_queue_idx][i];
2188  entry->OWN = 1;
2189  }
2190  priv->rx_idx[rx_queue_idx] = 0;
2191  }
2192  }
2193 
2194  spin_lock_irqsave(&priv->irq_th_lock, flags);
2195  for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2196  if (priv->tx_ring[i].desc) {
2197  struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2198 
2199  while (skb_queue_len(&ring->queue)) {
2200  struct tx_desc *entry = &ring->desc[ring->idx];
2201  struct sk_buff *skb =
2202  __skb_dequeue(&ring->queue);
2203 
2204  pci_unmap_single(priv->pdev,
2205  le32_to_cpu(entry->TxBuffAddr),
2206  skb->len, PCI_DMA_TODEVICE);
2207  kfree_skb(skb);
2208  ring->idx = (ring->idx + 1) % ring->entries;
2209  }
2210  ring->idx = 0;
2211  }
2212  }
2213  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2214 }
2215 
2216 void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2217  struct rtllib_rx_stats *stats)
2218 {
2219  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2220 
2221  if (stats->bIsAMPDU && !stats->bFirstMPDU)
2222  stats->mac_time = priv->LastRxDescTSF;
2223  else
2224  priv->LastRxDescTSF = stats->mac_time;
2225 }
2226 
2227 long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2228 {
2229  long signal_power;
2230 
2231  signal_power = (long)((signal_strength_index + 1) >> 1);
2232  signal_power -= 95;
2233 
2234  return signal_power;
2235 }
2236 
2237 
2238 void
2239 rtl819x_update_rxsignalstatistics8190pci(
2240  struct r8192_priv *priv,
2241  struct rtllib_rx_stats *pprevious_stats
2242  )
2243 {
2244  int weighting = 0;
2245 
2246 
2247  if (priv->stats.recv_signal_power == 0)
2248  priv->stats.recv_signal_power =
2249  pprevious_stats->RecvSignalPower;
2250 
2251  if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2252  weighting = 5;
2253  else if (pprevious_stats->RecvSignalPower <
2254  priv->stats.recv_signal_power)
2255  weighting = (-5);
2256  priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2257  pprevious_stats->RecvSignalPower +
2258  weighting) / 6;
2259 }
2260 
2261 void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2262  struct rtllib_rx_stats *pprevious_stats)
2263 {
2264 }
2265 
2266 
2267 u8 rtl819x_query_rxpwrpercentage(char antpower)
2268 {
2269  if ((antpower <= -100) || (antpower >= 20))
2270  return 0;
2271  else if (antpower >= 0)
2272  return 100;
2273  else
2274  return 100 + antpower;
2275 
2276 } /* QueryRxPwrPercentage */
2277 
2278 u8
2279 rtl819x_evm_dbtopercentage(
2280  char value
2281  )
2282 {
2283  char ret_val;
2284 
2285  ret_val = value;
2286 
2287  if (ret_val >= 0)
2288  ret_val = 0;
2289  if (ret_val <= -33)
2290  ret_val = -33;
2291  ret_val = 0 - ret_val;
2292  ret_val *= 3;
2293  if (ret_val == 99)
2294  ret_val = 100;
2295  return ret_val;
2296 }
2297 
2298 void
2299 rtl8192_record_rxdesc_forlateruse(
2300  struct rtllib_rx_stats *psrc_stats,
2301  struct rtllib_rx_stats *ptarget_stats
2302 )
2303 {
2304  ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2305  ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2306 }
2307 
2308 
2309 
2310 static void rtl8192_rx_normal(struct net_device *dev)
2311 {
2312  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2313  struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2314  bool unicast_packet = false;
2315  bool bLedBlinking = true;
2316  u16 fc = 0, type = 0;
2317  u32 skb_len = 0;
2318  int rx_queue_idx = RX_MPDU_QUEUE;
2319 
2320  struct rtllib_rx_stats stats = {
2321  .signal = 0,
2322  .noise = -98,
2323  .rate = 0,
2324  .freq = RTLLIB_24GHZ_BAND,
2325  };
2326  unsigned int count = priv->rxringcount;
2327 
2328  stats.nic_type = NIC_8192E;
2329 
2330  while (count--) {
2331  struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2332  [priv->rx_idx[rx_queue_idx]];
2333  struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2334  [priv->rx_idx[rx_queue_idx]];
2335 
2336  if (pdesc->OWN) {
2337  return;
2338  } else {
2339  struct sk_buff *new_skb;
2340 
2341  if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2342  pdesc, skb))
2343  goto done;
2344  new_skb = dev_alloc_skb(priv->rxbuffersize);
2345  /* if allocation of new skb failed - drop current packet
2346  * and reuse skb */
2347  if (unlikely(!new_skb))
2348  goto done;
2349 
2350  pci_unmap_single(priv->pdev,
2351  *((dma_addr_t *)skb->cb),
2352  priv->rxbuffersize,
2353  PCI_DMA_FROMDEVICE);
2354 
2355  skb_put(skb, pdesc->Length);
2356  skb_reserve(skb, stats.RxDrvInfoSize +
2357  stats.RxBufShift);
2358  skb_trim(skb, skb->len - 4/*sCrcLng*/);
2359  rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2360  if (!is_multicast_ether_addr(rtllib_hdr->addr1)) {
2361  /* unicast packet */
2362  unicast_packet = true;
2363  }
2364  fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2365  type = WLAN_FC_GET_TYPE(fc);
2366  if (type == RTLLIB_FTYPE_MGMT)
2367  bLedBlinking = false;
2368 
2369  if (bLedBlinking)
2370  if (priv->rtllib->LedControlHandler)
2371  priv->rtllib->LedControlHandler(dev,
2372  LED_CTL_RX);
2373 
2374  if (stats.bCRC) {
2375  if (type != RTLLIB_FTYPE_MGMT)
2376  priv->stats.rxdatacrcerr++;
2377  else
2378  priv->stats.rxmgmtcrcerr++;
2379  }
2380 
2381  skb_len = skb->len;
2382 
2383  if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2384  dev_kfree_skb_any(skb);
2385  } else {
2386  priv->stats.rxok++;
2387  if (unicast_packet)
2388  priv->stats.rxbytesunicast += skb_len;
2389  }
2390 
2391  skb = new_skb;
2392  skb->dev = dev;
2393 
2394  priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2395  skb;
2396  *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2397  skb_tail_pointer_rsl(skb),
2398  priv->rxbuffersize,
2399  PCI_DMA_FROMDEVICE);
2400 
2401  }
2402 done:
2403  pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2404  pdesc->OWN = 1;
2405  pdesc->Length = priv->rxbuffersize;
2406  if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2407  pdesc->EOR = 1;
2408  priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2409  priv->rxringcount;
2410  }
2411 
2412 }
2413 
2414 static void rtl8192_rx_cmd(struct net_device *dev)
2415 {
2416 }
2417 
2418 
2419 static void rtl8192_tx_resume(struct net_device *dev)
2420 {
2421  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2422  struct rtllib_device *ieee = priv->rtllib;
2423  struct sk_buff *skb;
2424  int queue_index;
2425 
2426  for (queue_index = BK_QUEUE;
2427  queue_index < MAX_QUEUE_SIZE; queue_index++) {
2428  while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2429  (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2430  skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2431  ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2432  }
2433  }
2434 }
2435 
2436 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2437 {
2438  rtl8192_tx_resume(priv->rtllib->dev);
2439 }
2440 
2441 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2442 {
2443  rtl8192_rx_normal(priv->rtllib->dev);
2444 
2445  if (MAX_RX_QUEUE > 1)
2446  rtl8192_rx_cmd(priv->rtllib->dev);
2447 
2448  write_nic_dword(priv->rtllib->dev, INTA_MASK,
2449  read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2450 }
2451 
2452 /****************************************************************************
2453  ---------------------------- NIC START/CLOSE STUFF---------------------------
2454 *****************************************************************************/
2455 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2456 {
2457  cancel_delayed_work(&priv->watch_dog_wq);
2458  cancel_delayed_work(&priv->update_beacon_wq);
2459  cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2460  cancel_work_sync(&priv->reset_wq);
2461  cancel_work_sync(&priv->qos_activate);
2462 }
2463 
2464 int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2465 {
2466  if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2467  return -1;
2468  return 0;
2469 }
2470 
2471 
2472 static int rtl8192_open(struct net_device *dev)
2473 {
2474  struct r8192_priv *priv = rtllib_priv(dev);
2475  int ret;
2476 
2477  down(&priv->wx_sem);
2478  ret = rtl8192_up(dev);
2479  up(&priv->wx_sem);
2480  return ret;
2481 
2482 }
2483 
2484 
2485 int rtl8192_up(struct net_device *dev)
2486 {
2487  struct r8192_priv *priv = rtllib_priv(dev);
2488 
2489  if (priv->up == 1)
2490  return -1;
2491  return _rtl8192_up(dev, false);
2492 }
2493 
2494 
2495 static int rtl8192_close(struct net_device *dev)
2496 {
2497  struct r8192_priv *priv = rtllib_priv(dev);
2498  int ret;
2499 
2500  if ((rtllib_act_scanning(priv->rtllib, false)) &&
2501  !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2502  rtllib_stop_scan(priv->rtllib);
2503  }
2504 
2505  down(&priv->wx_sem);
2506 
2507  ret = rtl8192_down(dev, true);
2508 
2509  up(&priv->wx_sem);
2510 
2511  return ret;
2512 
2513 }
2514 
2515 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2516 {
2517  if (rtl8192_sta_down(dev, shutdownrf) == -1)
2518  return -1;
2519 
2520  return 0;
2521 }
2522 
2523 void rtl8192_commit(struct net_device *dev)
2524 {
2525  struct r8192_priv *priv = rtllib_priv(dev);
2526 
2527  if (priv->up == 0)
2528  return;
2529  rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2530  rtl8192_irq_disable(dev);
2531  priv->ops->stop_adapter(dev, true);
2532  _rtl8192_up(dev, false);
2533 }
2534 
2535 void rtl8192_restart(void *data)
2536 {
2537  struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2538  reset_wq);
2539  struct net_device *dev = priv->rtllib->dev;
2540 
2541  down(&priv->wx_sem);
2542 
2543  rtl8192_commit(dev);
2544 
2545  up(&priv->wx_sem);
2546 }
2547 
2548 static void r8192_set_multicast(struct net_device *dev)
2549 {
2550  struct r8192_priv *priv = rtllib_priv(dev);
2551  short promisc;
2552 
2553  promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2554  priv->promisc = promisc;
2555 
2556 }
2557 
2558 
2559 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2560 {
2561  struct r8192_priv *priv = rtllib_priv(dev);
2562  struct sockaddr *addr = mac;
2563 
2564  down(&priv->wx_sem);
2565 
2566  memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2567 
2568  schedule_work(&priv->reset_wq);
2569  up(&priv->wx_sem);
2570 
2571  return 0;
2572 }
2573 
2574 /* based on ipw2200 driver */
2575 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2576 {
2577  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2578  struct iwreq *wrq = (struct iwreq *)rq;
2579  int ret = -1;
2580  struct rtllib_device *ieee = priv->rtllib;
2581  u32 key[4];
2582  u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2583  u8 zero_addr[6] = {0};
2584  struct iw_point *p = &wrq->u.data;
2585  struct ieee_param *ipw = NULL;
2586 
2587  down(&priv->wx_sem);
2588 
2589  switch (cmd) {
2590  case RTL_IOCTL_WPA_SUPPLICANT:
2591  if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2592  ret = -EINVAL;
2593  goto out;
2594  }
2595 
2596  ipw = kmalloc(p->length, GFP_KERNEL);
2597  if (ipw == NULL) {
2598  ret = -ENOMEM;
2599  goto out;
2600  }
2601  if (copy_from_user(ipw, p->pointer, p->length)) {
2602  kfree(ipw);
2603  ret = -EFAULT;
2604  goto out;
2605  }
2606 
2607  if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2608  if (ipw->u.crypt.set_tx) {
2609  if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2610  ieee->pairwise_key_type = KEY_TYPE_CCMP;
2611  else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2612  ieee->pairwise_key_type = KEY_TYPE_TKIP;
2613  else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2614  if (ipw->u.crypt.key_len == 13)
2615  ieee->pairwise_key_type =
2616  KEY_TYPE_WEP104;
2617  else if (ipw->u.crypt.key_len == 5)
2618  ieee->pairwise_key_type =
2619  KEY_TYPE_WEP40;
2620  } else {
2621  ieee->pairwise_key_type = KEY_TYPE_NA;
2622  }
2623 
2624  if (ieee->pairwise_key_type) {
2625  if (memcmp(ieee->ap_mac_addr, zero_addr,
2626  6) == 0)
2627  ieee->iw_mode = IW_MODE_ADHOC;
2628  memcpy((u8 *)key, ipw->u.crypt.key, 16);
2629  EnableHWSecurityConfig8192(dev);
2630  set_swcam(dev, 4, ipw->u.crypt.idx,
2631  ieee->pairwise_key_type,
2632  (u8 *)ieee->ap_mac_addr,
2633  0, key, 0);
2634  setKey(dev, 4, ipw->u.crypt.idx,
2635  ieee->pairwise_key_type,
2636  (u8 *)ieee->ap_mac_addr, 0, key);
2637  if (ieee->iw_mode == IW_MODE_ADHOC) {
2638  set_swcam(dev, ipw->u.crypt.idx,
2639  ipw->u.crypt.idx,
2640  ieee->pairwise_key_type,
2641  (u8 *)ieee->ap_mac_addr,
2642  0, key, 0);
2643  setKey(dev, ipw->u.crypt.idx,
2644  ipw->u.crypt.idx,
2645  ieee->pairwise_key_type,
2646  (u8 *)ieee->ap_mac_addr,
2647  0, key);
2648  }
2649  }
2650  if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2651  && ieee->pHTInfo->bCurrentHTSupport) {
2652  write_nic_byte(dev, 0x173, 1);
2653  }
2654 
2655  } else {
2656  memcpy((u8 *)key, ipw->u.crypt.key, 16);
2657  if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2658  ieee->group_key_type = KEY_TYPE_CCMP;
2659  else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2660  ieee->group_key_type = KEY_TYPE_TKIP;
2661  else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2662  if (ipw->u.crypt.key_len == 13)
2663  ieee->group_key_type =
2664  KEY_TYPE_WEP104;
2665  else if (ipw->u.crypt.key_len == 5)
2666  ieee->group_key_type =
2667  KEY_TYPE_WEP40;
2668  } else
2669  ieee->group_key_type = KEY_TYPE_NA;
2670 
2671  if (ieee->group_key_type) {
2672  set_swcam(dev, ipw->u.crypt.idx,
2673  ipw->u.crypt.idx,
2674  ieee->group_key_type,
2675  broadcast_addr, 0, key, 0);
2676  setKey(dev, ipw->u.crypt.idx,
2677  ipw->u.crypt.idx,
2678  ieee->group_key_type,
2679  broadcast_addr, 0, key);
2680  }
2681  }
2682  }
2683 
2684  ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2685  0);
2686  kfree(ipw);
2687  break;
2688  default:
2689  ret = -EOPNOTSUPP;
2690  break;
2691  }
2692 
2693 out:
2694  up(&priv->wx_sem);
2695 
2696  return ret;
2697 }
2698 
2699 
2700 irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2701 {
2702  struct net_device *dev = (struct net_device *) netdev;
2703  struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2704  unsigned long flags;
2705  u32 inta;
2706  u32 intb;
2707  intb = 0;
2708 
2709  if (priv->irq_enabled == 0)
2710  goto done;
2711 
2712  spin_lock_irqsave(&priv->irq_th_lock, flags);
2713 
2714  priv->ops->interrupt_recognized(dev, &inta, &intb);
2715  priv->stats.shints++;
2716 
2717  if (!inta) {
2718  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2719  goto done;
2720  }
2721 
2722  if (inta == 0xffff) {
2723  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2724  goto done;
2725  }
2726 
2727  priv->stats.ints++;
2728 
2729  if (!netif_running(dev)) {
2730  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2731  goto done;
2732  }
2733 
2734  if (inta & IMR_TBDOK) {
2735  RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2736  priv->stats.txbeaconokint++;
2737  }
2738 
2739  if (inta & IMR_TBDER) {
2740  RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2741  priv->stats.txbeaconerr++;
2742  }
2743 
2744  if (inta & IMR_BDOK)
2745  RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2746 
2747  if (inta & IMR_MGNTDOK) {
2748  RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2749  priv->stats.txmanageokint++;
2750  rtl8192_tx_isr(dev, MGNT_QUEUE);
2751  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2752  if (priv->rtllib->ack_tx_to_ieee) {
2753  if (rtl8192_is_tx_queue_empty(dev)) {
2754  priv->rtllib->ack_tx_to_ieee = 0;
2755  rtllib_ps_tx_ack(priv->rtllib, 1);
2756  }
2757  }
2758  spin_lock_irqsave(&priv->irq_th_lock, flags);
2759  }
2760 
2761  if (inta & IMR_COMDOK) {
2762  priv->stats.txcmdpktokint++;
2763  rtl8192_tx_isr(dev, TXCMD_QUEUE);
2764  }
2765 
2766  if (inta & IMR_HIGHDOK)
2767  rtl8192_tx_isr(dev, HIGH_QUEUE);
2768 
2769  if (inta & IMR_ROK) {
2770  priv->stats.rxint++;
2771  priv->InterruptLog.nIMR_ROK++;
2772  tasklet_schedule(&priv->irq_rx_tasklet);
2773  }
2774 
2775  if (inta & IMR_BcnInt) {
2776  RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2777  tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2778  }
2779 
2780  if (inta & IMR_RDU) {
2781  RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2782  priv->stats.rxrdu++;
2783  write_nic_dword(dev, INTA_MASK,
2784  read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2785  tasklet_schedule(&priv->irq_rx_tasklet);
2786  }
2787 
2788  if (inta & IMR_RXFOVW) {
2789  RT_TRACE(COMP_INTR, "rx overflow !\n");
2790  priv->stats.rxoverflow++;
2791  tasklet_schedule(&priv->irq_rx_tasklet);
2792  }
2793 
2794  if (inta & IMR_TXFOVW)
2795  priv->stats.txoverflow++;
2796 
2797  if (inta & IMR_BKDOK) {
2798  RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2799  priv->stats.txbkokint++;
2800  priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2801  rtl8192_tx_isr(dev, BK_QUEUE);
2802  }
2803 
2804  if (inta & IMR_BEDOK) {
2805  RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2806  priv->stats.txbeokint++;
2807  priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2808  rtl8192_tx_isr(dev, BE_QUEUE);
2809  }
2810 
2811  if (inta & IMR_VIDOK) {
2812  RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2813  priv->stats.txviokint++;
2814  priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2815  rtl8192_tx_isr(dev, VI_QUEUE);
2816  }
2817 
2818  if (inta & IMR_VODOK) {
2819  priv->stats.txvookint++;
2820  RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2821  priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2822  rtl8192_tx_isr(dev, VO_QUEUE);
2823  }
2824 
2825  spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2826 
2827 done:
2828 
2829  return IRQ_HANDLED;
2830 }
2831 
2832 
2833 
2834 /****************************************************************************
2835  ---------------------------- PCI_STUFF---------------------------
2836 *****************************************************************************/
2837 static const struct net_device_ops rtl8192_netdev_ops = {
2838  .ndo_open = rtl8192_open,
2839  .ndo_stop = rtl8192_close,
2840  .ndo_tx_timeout = rtl8192_tx_timeout,
2841  .ndo_do_ioctl = rtl8192_ioctl,
2842  .ndo_set_rx_mode = r8192_set_multicast,
2843  .ndo_set_mac_address = r8192_set_mac_adr,
2844  .ndo_validate_addr = eth_validate_addr,
2845  .ndo_change_mtu = eth_change_mtu,
2846  .ndo_start_xmit = rtllib_xmit,
2847 };
2848 
2849 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
2850  const struct pci_device_id *id)
2851 {
2852  unsigned long ioaddr = 0;
2853  struct net_device *dev = NULL;
2854  struct r8192_priv *priv = NULL;
2855  struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2856  unsigned long pmem_start, pmem_len, pmem_flags;
2857  int err = -ENOMEM;
2858  bool bdma64 = false;
2859  u8 revision_id;
2860 
2861  RT_TRACE(COMP_INIT, "Configuring chip resources");
2862 
2863  if (pci_enable_device(pdev)) {
2864  RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2865  return -EIO;
2866  }
2867 
2868  pci_set_master(pdev);
2869 
2870  if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2871  if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2872  printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n");
2873  goto err_pci_disable;
2874  }
2875  }
2876  dev = alloc_rtllib(sizeof(struct r8192_priv));
2877  if (!dev)
2878  goto err_pci_disable;
2879 
2880  err = -ENODEV;
2881  if (bdma64)
2882  dev->features |= NETIF_F_HIGHDMA;
2883 
2884  pci_set_drvdata(pdev, dev);
2885  SET_NETDEV_DEV(dev, &pdev->dev);
2886  priv = rtllib_priv(dev);
2887  priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2888  priv->pdev = pdev;
2889  priv->rtllib->pdev = pdev;
2890  if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2891  (pdev->subsystem_device == 0x3304))
2892  priv->rtllib->bSupportRemoteWakeUp = 1;
2893  else
2894  priv->rtllib->bSupportRemoteWakeUp = 0;
2895 
2896  pmem_start = pci_resource_start(pdev, 1);
2897  pmem_len = pci_resource_len(pdev, 1);
2898  pmem_flags = pci_resource_flags(pdev, 1);
2899 
2900  if (!(pmem_flags & IORESOURCE_MEM)) {
2901  RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2902  goto err_rel_rtllib;
2903  }
2904 
2905  printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start);
2906  if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2907  RT_TRACE(COMP_ERR, "request_mem_region failed!");
2908  goto err_rel_rtllib;
2909  }
2910 
2911 
2912  ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2913  if (ioaddr == (unsigned long)NULL) {
2914  RT_TRACE(COMP_ERR, "ioremap failed!");
2915  goto err_rel_mem;
2916  }
2917 
2918  dev->mem_start = ioaddr;
2919  dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2920 
2921  pci_read_config_byte(pdev, 0x08, &revision_id);
2922  /* If the revisionid is 0x10, the device uses rtl8192se. */
2923  if (pdev->device == 0x8192 && revision_id == 0x10)
2924  goto err_rel_mem;
2925 
2926  priv->ops = ops;
2927 
2928  if (rtl8192_pci_findadapter(pdev, dev) == false)
2929  goto err_rel_mem;
2930 
2931  dev->irq = pdev->irq;
2932  priv->irq = 0;
2933 
2934  dev->netdev_ops = &rtl8192_netdev_ops;
2935 
2936  dev->wireless_handlers = (struct iw_handler_def *)
2937  &r8192_wx_handlers_def;
2938  dev->ethtool_ops = &rtl819x_ethtool_ops;
2939 
2940  dev->type = ARPHRD_ETHER;
2941  dev->watchdog_timeo = HZ * 3;
2942 
2943  if (dev_alloc_name(dev, ifname) < 0) {
2944  RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2945  "wlan%%d...\n");
2946  dev_alloc_name(dev, ifname);
2947  }
2948 
2949  RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2950  if (rtl8192_init(dev) != 0) {
2951  RT_TRACE(COMP_ERR, "Initialization failed");
2952  goto err_free_irq;
2953  }
2954 
2955  netif_carrier_off(dev);
2956  netif_stop_queue(dev);
2957 
2958  register_netdev(dev);
2959  RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2960 
2961  rtl8192_proc_init_one(dev);
2962 
2963  if (priv->polling_timer_on == 0)
2964  check_rfctrl_gpio_timer((unsigned long)dev);
2965 
2966  RT_TRACE(COMP_INIT, "Driver probe completed\n");
2967  return 0;
2968 
2969 err_free_irq:
2970  free_irq(dev->irq, dev);
2971  priv->irq = 0;
2972 err_rel_mem:
2973  release_mem_region(pmem_start, pmem_len);
2974 err_rel_rtllib:
2975  free_rtllib(dev);
2976 
2977  DMESG("wlan driver load failed\n");
2978  pci_set_drvdata(pdev, NULL);
2979 err_pci_disable:
2980  pci_disable_device(pdev);
2981  return err;
2982 }
2983 
2984 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
2985 {
2986  struct net_device *dev = pci_get_drvdata(pdev);
2987  struct r8192_priv *priv ;
2988  u32 i;
2989 
2990  if (dev) {
2991  unregister_netdev(dev);
2992 
2993  priv = rtllib_priv(dev);
2994 
2995  del_timer_sync(&priv->gpio_polling_timer);
2996  cancel_delayed_work(&priv->gpio_change_rf_wq);
2997  priv->polling_timer_on = 0;
2998  rtl8192_proc_remove_one(dev);
2999  rtl8192_down(dev, true);
3000  deinit_hal_dm(dev);
3001  if (priv->pFirmware) {
3002  vfree(priv->pFirmware);
3003  priv->pFirmware = NULL;
3004  }
3005  destroy_workqueue(priv->priv_wq);
3006  rtl8192_free_rx_ring(dev);
3007  for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3008  rtl8192_free_tx_ring(dev, i);
3009 
3010  if (priv->irq) {
3011  printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3012  free_irq(dev->irq, dev);
3013  priv->irq = 0;
3014  }
3015  free_rtllib(dev);
3016 
3017  kfree(priv->scan_cmd);
3018 
3019  if (dev->mem_start != 0) {
3020  iounmap((void __iomem *)dev->mem_start);
3021  release_mem_region(pci_resource_start(pdev, 1),
3022  pci_resource_len(pdev, 1));
3023  }
3024  } else {
3025  priv = rtllib_priv(dev);
3026  }
3027 
3028  pci_disable_device(pdev);
3029  RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3030 }
3031 
3032 bool NicIFEnableNIC(struct net_device *dev)
3033 {
3034  bool init_status = true;
3035  struct r8192_priv *priv = rtllib_priv(dev);
3036  struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3037  (&(priv->rtllib->PowerSaveControl));
3038 
3039  if (IS_NIC_DOWN(priv)) {
3040  RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3041  __func__);
3042  priv->bdisable_nic = false;
3043  return RT_STATUS_FAILURE;
3044  }
3045 
3046  RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3047  priv->bfirst_init = true;
3048  init_status = priv->ops->initialize_adapter(dev);
3049  if (init_status != true) {
3050  RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3051  __func__);
3052  priv->bdisable_nic = false;
3053  return -1;
3054  }
3055  RT_TRACE(COMP_INIT, "start adapter finished\n");
3056  RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3057  priv->bfirst_init = false;
3058 
3059  rtl8192_irq_enable(dev);
3060  priv->bdisable_nic = false;
3061  RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3062  return init_status;
3063 }
3064 bool NicIFDisableNIC(struct net_device *dev)
3065 {
3066  bool status = true;
3067  struct r8192_priv *priv = rtllib_priv(dev);
3068  u8 tmp_state = 0;
3069  RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3070  priv->bdisable_nic = true;
3071  tmp_state = priv->rtllib->state;
3072  rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3073  priv->rtllib->state = tmp_state;
3074  rtl8192_cancel_deferred_work(priv);
3075  rtl8192_irq_disable(dev);
3076 
3077  priv->ops->stop_adapter(dev, false);
3078  RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3079 
3080  return status;
3081 }
3082 
3083 static int __init rtl8192_pci_module_init(void)
3084 {
3085  printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3086  printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3087 
3088  rtl8192_proc_module_init();
3089  if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3090  DMESG("No device found");
3091  /*pci_unregister_driver (&rtl8192_pci_driver);*/
3092  return -ENODEV;
3093  }
3094  return 0;
3095 }
3096 
3097 static void __exit rtl8192_pci_module_exit(void)
3098 {
3099  pci_unregister_driver(&rtl8192_pci_driver);
3100 
3101  RT_TRACE(COMP_DOWN, "Exiting");
3102  rtl8192_proc_module_remove();
3103 }
3104 
3105 void check_rfctrl_gpio_timer(unsigned long data)
3106 {
3107  struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3108 
3109  priv->polling_timer_on = 1;
3110 
3111  queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3112 
3113  mod_timer(&priv->gpio_polling_timer, jiffies +
3114  MSECS(RTLLIB_WATCH_DOG_TIME));
3115 }
3116 
3117 /***************************************************************************
3118  ------------------- module init / exit stubs ----------------
3119 ****************************************************************************/
3120 module_init(rtl8192_pci_module_init);
3121 module_exit(rtl8192_pci_module_exit);
3122 
3123 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3124 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3125 MODULE_VERSION(DRV_VERSION);
3126 MODULE_LICENSE("GPL");
3127 MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
3128 MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
3129 MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
3130 
3131 module_param(ifname, charp, S_IRUGO|S_IWUSR);
3132 module_param(hwwep, int, S_IRUGO|S_IWUSR);
3133 module_param(channels, int, S_IRUGO|S_IWUSR);
3134 
3135 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3136 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3137 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
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