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staging: rtl8192e: Modify time handling
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rtl8192e / rtl_core.c
blobf585f71e14b74515fc64b726eac0bd49da101233
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 <andreamrl@tiscali.it>, 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 <wlanfae@realtek.com>
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 <asm/uaccess.h>
45 #include <linux/pci.h>
46 #include "rtl_core.h"
47 #include "r8192E_phy.h"
48 #include "r8192E_phyreg.h"
49 #include "r8190P_rtl8256.h"
50 #include "r8192E_cmdpkt.h"
51
52 #include "rtl_wx.h"
53 #include "rtl_dm.h"
54
55 #ifdef CONFIG_PM_RTL
56 #include "rtl_pm.h"
57 #endif
58
59 int hwwep = 1;
60 static int channels = 0x3fff;
61 char* ifname = "wlan%d";
62
63
64 struct rtl819x_ops rtl819xp_ops = {
65 .nic_type = NIC_8192E,
66 .get_eeprom_size = rtl8192_get_eeprom_size,
67 .init_adapter_variable = rtl8192_InitializeVariables,
68 .initialize_adapter = rtl8192_adapter_start,
69 .link_change = rtl8192_link_change,
70 .tx_fill_descriptor = rtl8192_tx_fill_desc,
71 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
72 .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
73 .rx_command_packet_handler = NULL,
74 .stop_adapter = rtl8192_halt_adapter,
75 .update_ratr_table = rtl8192_update_ratr_table,
76 .irq_enable = rtl8192_EnableInterrupt,
77 .irq_disable = rtl8192_DisableInterrupt,
78 .irq_clear = rtl8192_ClearInterrupt,
79 .rx_enable = rtl8192_enable_rx,
80 .tx_enable = rtl8192_enable_tx,
81 .interrupt_recognized = rtl8192_interrupt_recognized,
82 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
83 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
84 };
85
86 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
87 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
88 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
89 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
90 {}
91 };
92
93 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
94
95 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
96 const struct pci_device_id *id);
97 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
98
99 static struct pci_driver rtl8192_pci_driver = {
100 .name = DRV_NAME, /* Driver name */
101 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
102 .probe = rtl8192_pci_probe, /* probe fn */
103 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
104 .suspend = rtl8192E_suspend, /* PM suspend fn */
105 .resume = rtl8192E_resume, /* PM resume fn */
106 };
107
108 /****************************************************************************
109 -----------------------------IO STUFF-------------------------
110 *****************************************************************************/
111 bool
112 PlatformIOCheckPageLegalAndGetRegMask(
113 u32 u4bPage,
114 u8* pu1bPageMask
115 )
116 {
117 bool bReturn = false;
118 *pu1bPageMask = 0xfe;
119
120 switch (u4bPage)
121 {
122 case 1: case 2: case 3: case 4:
123 case 8: case 9: case 10: case 12: case 13:
124 bReturn = true;
125 *pu1bPageMask = 0xf0;
126 break;
127
128 default:
129 bReturn = false;
130 break;
131 }
132
133 return bReturn;
134 }
135
136 void write_nic_io_byte(struct net_device *dev, int x,u8 y)
137 {
138 u32 u4bPage = (x >> 8);
139 u8 u1PageMask = 0;
140 bool bIsLegalPage = false;
141
142 if (u4bPage == 0)
143 {
144 outb(y&0xff,dev->base_addr +x);
145 }else
146 {
147 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
148 if (bIsLegalPage)
149 {
150 u8 u1bPsr = read_nic_io_byte(dev, PSR);
151
152 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
153 write_nic_io_byte(dev, (x & 0xff), y);
154 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
155
156 }else
157 {
158 ;
159 }
160 }
161
162
163 }
164
165 void write_nic_io_word(struct net_device *dev, int x,u16 y)
166 {
167 u32 u4bPage = (x >> 8);
168 u8 u1PageMask = 0;
169 bool bIsLegalPage = false;
170
171 if (u4bPage == 0)
172 {
173 outw(y,dev->base_addr +x);
174 }else
175 {
176 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
177 if (bIsLegalPage)
178 {
179 u8 u1bPsr = read_nic_io_byte(dev, PSR);
180
181 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
182 write_nic_io_word(dev, (x & 0xff), y);
183 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
184
185 }else
186 {
187 ;
188 }
189 }
190
191 }
192
193 void write_nic_io_dword(struct net_device *dev, int x,u32 y)
194 {
195 u32 u4bPage = (x >> 8);
196 u8 u1PageMask = 0;
197 bool bIsLegalPage = false;
198
199 if (u4bPage == 0)
200 {
201 outl(y,dev->base_addr +x);
202 }else
203 {
204 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
205 if (bIsLegalPage)
206 {
207 u8 u1bPsr = read_nic_io_byte(dev, PSR);
208
209 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
210 write_nic_io_dword(dev, (x & 0xff), y);
211 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
212
213 }else
214 {
215 ;
216 }
217 }
218
219 }
220 u8 read_nic_io_byte(struct net_device *dev, int x)
221 {
222 u32 u4bPage = (x >> 8);
223 u8 u1PageMask = 0;
224 bool bIsLegalPage = false;
225 u8 Data = 0;
226
227 if (u4bPage == 0)
228 {
229 return 0xff&inb(dev->base_addr +x);
230 }else
231 {
232 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
233 if (bIsLegalPage)
234 {
235 u8 u1bPsr = read_nic_io_byte(dev, PSR);
236
237 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
238 Data = read_nic_io_byte(dev, (x & 0xff));
239 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
240
241 }else
242 {
243 ;
244 }
245 }
246
247 return Data;
248 }
249
250 u16 read_nic_io_word(struct net_device *dev, int x)
251 {
252 u32 u4bPage = (x >> 8);
253 u8 u1PageMask = 0;
254 bool bIsLegalPage = false;
255 u16 Data = 0;
256
257 if (u4bPage == 0)
258 {
259 return inw(dev->base_addr +x);
260 }else
261 {
262 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
263 if (bIsLegalPage)
264 {
265 u8 u1bPsr = read_nic_io_byte(dev, PSR);
266
267 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
268 Data = read_nic_io_word(dev, (x & 0xff));
269 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
270
271 }else
272 {
273 ;
274 }
275 }
276
277 return Data;
278 }
279
280 u32 read_nic_io_dword(struct net_device *dev, int x)
281 {
282 u32 u4bPage = (x >> 8);
283 u8 u1PageMask = 0;
284 bool bIsLegalPage = false;
285 u32 Data = 0;
286
287 if (u4bPage == 0)
288 {
289 return inl(dev->base_addr +x);
290 }else
291 {
292 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
293 if (bIsLegalPage)
294 {
295 u8 u1bPsr = read_nic_io_byte(dev, PSR);
296
297 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
298 Data = read_nic_io_dword(dev, (x & 0xff));
299 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
300
301 }else
302 {
303 ;
304 }
305 }
306
307 return Data;
308 }
309
310 u8 read_nic_byte(struct net_device *dev, int x)
311 {
312 return 0xff&readb((u8*)dev->mem_start +x);
313 }
314
315 u32 read_nic_dword(struct net_device *dev, int x)
316 {
317 return readl((u8*)dev->mem_start +x);
318 }
319
320 u16 read_nic_word(struct net_device *dev, int x)
321 {
322 return readw((u8*)dev->mem_start +x);
323 }
324
325 void write_nic_byte(struct net_device *dev, int x,u8 y)
326 {
327 writeb(y,(u8*)dev->mem_start +x);
328
329 udelay(20);
330 }
331
332 void write_nic_dword(struct net_device *dev, int x,u32 y)
333 {
334 writel(y,(u8*)dev->mem_start +x);
335
336 udelay(20);
337 }
338
339 void write_nic_word(struct net_device *dev, int x,u16 y)
340 {
341 writew(y,(u8*)dev->mem_start +x);
342
343 udelay(20);
344 }
345
346 /****************************************************************************
347 -----------------------------GENERAL FUNCTION-------------------------
348 *****************************************************************************/
349 bool
350 MgntActSet_RF_State(
351 struct net_device* dev,
352 enum rt_rf_power_state StateToSet,
353 RT_RF_CHANGE_SOURCE ChangeSource,
354 bool ProtectOrNot
355 )
356 {
357 struct r8192_priv *priv = rtllib_priv(dev);
358 struct rtllib_device * ieee = priv->rtllib;
359 bool bActionAllowed = false;
360 bool bConnectBySSID = false;
361 enum rt_rf_power_state rtState;
362 u16 RFWaitCounter = 0;
363 unsigned long flag;
364 RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): StateToSet(%d)\n",StateToSet);
365
366 ProtectOrNot = false;
367
368
369 if (!ProtectOrNot)
370 {
371 while(true)
372 {
373 spin_lock_irqsave(&priv->rf_ps_lock,flag);
374 if (priv->RFChangeInProgress)
375 {
376 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
377 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n", StateToSet);
378
379 while(priv->RFChangeInProgress)
380 {
381 RFWaitCounter ++;
382 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Wait 1 ms (%d times)...\n", RFWaitCounter);
383 mdelay(1);
384
385 if (RFWaitCounter > 100)
386 {
387 RT_TRACE(COMP_ERR, "MgntActSet_RF_State(): Wait too logn to set RF\n");
388 return false;
389 }
390 }
391 }
392 else
393 {
394 priv->RFChangeInProgress = true;
395 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
396 break;
397 }
398 }
399 }
400
401 rtState = priv->rtllib->eRFPowerState;
402
403 switch (StateToSet)
404 {
405 case eRfOn:
406
407 priv->rtllib->RfOffReason &= (~ChangeSource);
408
409 if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == true)){
410 priv->bHwRadioOff = false;
411 }
412
413 if (! priv->rtllib->RfOffReason)
414 {
415 priv->rtllib->RfOffReason = 0;
416 bActionAllowed = true;
417
418
419 if (rtState == eRfOff && ChangeSource >=RF_CHANGE_BY_HW )
420 {
421 bConnectBySSID = true;
422 }
423 }
424 else{
425 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n", priv->rtllib->RfOffReason, ChangeSource);
426 }
427
428 break;
429
430 case eRfOff:
431
432 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) || (priv->rtllib->iw_mode == IW_MODE_ADHOC))
433 {
434 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) || (ChangeSource > RF_CHANGE_BY_IPS))
435 {
436 if (ieee->state == RTLLIB_LINKED)
437 priv->blinked_ingpio = true;
438 else
439 priv->blinked_ingpio = false;
440 rtllib_MgntDisconnect(priv->rtllib,disas_lv_ss);
441
442
443
444 }
445 }
446 if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == false)){
447 priv->bHwRadioOff = true;
448 }
449 priv->rtllib->RfOffReason |= ChangeSource;
450 bActionAllowed = true;
451 break;
452
453 case eRfSleep:
454 priv->rtllib->RfOffReason |= ChangeSource;
455 bActionAllowed = true;
456 break;
457
458 default:
459 break;
460 }
461
462 if (bActionAllowed)
463 {
464 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, priv->rtllib->RfOffReason);
465 PHY_SetRFPowerState(dev, StateToSet);
466 if (StateToSet == eRfOn)
467 {
468
469 if (bConnectBySSID && (priv->blinked_ingpio == true))
470 {
471 queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
472 priv->blinked_ingpio = false;
473
474 }
475 }
476 } else {
477 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, priv->rtllib->RfOffReason);
478 }
479
480 if (!ProtectOrNot)
481 {
482 spin_lock_irqsave(&priv->rf_ps_lock,flag);
483 priv->RFChangeInProgress = false;
484 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
485 }
486
487 RT_TRACE((COMP_PS && COMP_RF), "<===MgntActSet_RF_State()\n");
488 return bActionAllowed;
489 }
490
491
492 short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
493 {
494 struct r8192_priv *priv = rtllib_priv(dev);
495 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
496
497 /* For now, we reserved two free descriptor as a safety boundary
498 * between the tail and the head
499 */
500 if ((prio == MGNT_QUEUE) &&(skb_queue_len(&ring->queue)>10))
501 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d queue_len=%d---------\n",
502 prio,ring->idx, skb_queue_len(&ring->queue));
503 return skb_queue_len(&ring->queue);
504 }
505
506 short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
507 {
508 struct r8192_priv *priv = rtllib_priv(dev);
509 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
510
511 if (ring->entries - skb_queue_len(&ring->queue) >= 2) {
512 return 1;
513 } else {
514 return 0;
515 }
516 }
517
518 void rtl8192_tx_timeout(struct net_device *dev)
519 {
520 struct r8192_priv *priv = rtllib_priv(dev);
521
522 schedule_work(&priv->reset_wq);
523 printk("TXTIMEOUT");
524 }
525
526 void rtl8192_irq_enable(struct net_device *dev)
527 {
528 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
529 priv->irq_enabled = 1;
530
531 priv->ops->irq_enable(dev);
532 }
533
534 void rtl8192_irq_disable(struct net_device *dev)
535 {
536 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
537
538 priv->ops->irq_disable(dev);
539
540 priv->irq_enabled = 0;
541 }
542
543 void rtl8192_irq_clear(struct net_device *dev)
544 {
545 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
546
547 priv->ops->irq_clear(dev);
548 }
549
550
551 void rtl8192_set_chan(struct net_device *dev,short ch)
552 {
553 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
554
555 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
556 if (priv->chan_forced)
557 return;
558
559 priv->chan = ch;
560
561 if (priv->rf_set_chan)
562 priv->rf_set_chan(dev,priv->chan);
563 }
564
565 void rtl8192_update_cap(struct net_device* dev, u16 cap)
566 {
567 struct r8192_priv *priv = rtllib_priv(dev);
568 struct rtllib_network *net = &priv->rtllib->current_network;
569
570
571 {
572 bool ShortPreamble;
573
574 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE)
575 {
576 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT)
577 {
578 ShortPreamble = true;
579 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
580 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n", __func__);
581 priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
582 }
583 }
584 else
585 {
586 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG)
587 {
588 ShortPreamble = false;
589 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
590 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n", __func__);
591 priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
592 }
593 }
594 }
595
596 if (net->mode & (IEEE_G|IEEE_N_24G))
597 {
598 u8 slot_time_val;
599 u8 CurSlotTime = priv->slot_time;
600
601 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) && (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime))
602 {
603 if (CurSlotTime != SHORT_SLOT_TIME)
604 {
605 slot_time_val = SHORT_SLOT_TIME;
606 priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
607 }
608 }
609 else
610 {
611 if (CurSlotTime != NON_SHORT_SLOT_TIME)
612 {
613 slot_time_val = NON_SHORT_SLOT_TIME;
614 priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
615 }
616 }
617 }
618 }
619
620 static struct rtllib_qos_parameters def_qos_parameters = {
621 {3,3,3,3},
622 {7,7,7,7},
623 {2,2,2,2},
624 {0,0,0,0},
625 {0,0,0,0}
626 };
627
628 void rtl8192_update_beacon(void *data)
629 {
630 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, update_beacon_wq.work);
631 struct net_device *dev = priv->rtllib->dev;
632 struct rtllib_device* ieee = priv->rtllib;
633 struct rtllib_network* net = &ieee->current_network;
634
635 if (ieee->pHTInfo->bCurrentHTSupport)
636 HTUpdateSelfAndPeerSetting(ieee, net);
637 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
638 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
639 rtl8192_update_cap(dev, net->capability);
640 }
641
642 #define MOVE_INTO_HANDLER
643 int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
644
645 void rtl8192_qos_activate(void *data)
646 {
647 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, qos_activate);
648 struct net_device *dev = priv->rtllib->dev;
649 #ifndef MOVE_INTO_HANDLER
650 struct rtllib_qos_parameters *qos_parameters = &priv->rtllib->current_network.qos_data.parameters;
651 u8 mode = priv->rtllib->current_network.mode;
652 u8 u1bAIFS;
653 u32 u4bAcParam;
654 #endif
655 int i;
656
657 if (priv == NULL)
658 return;
659
660 mutex_lock(&priv->mutex);
661 if (priv->rtllib->state != RTLLIB_LINKED)
662 goto success;
663 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
664
665 for (i = 0; i < QOS_QUEUE_NUM; i++) {
666 #ifndef MOVE_INTO_HANDLER
667 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
668 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
669 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
670 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
671 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
672 RT_TRACE(COMP_DBG, "===>ACI:%d:u4bAcParam:%x\n", i, u4bAcParam);
673 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
674 #else
675 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8*)(&i));
676 #endif
677 }
678
679 success:
680 mutex_unlock(&priv->mutex);
681 }
682
683 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
684 int active_network,
685 struct rtllib_network *network)
686 {
687 int ret = 0;
688 u32 size = sizeof(struct rtllib_qos_parameters);
689
690 if (priv->rtllib->state !=RTLLIB_LINKED)
691 return ret;
692
693 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
694 return ret;
695
696 if (network->flags & NETWORK_HAS_QOS_MASK) {
697 if (active_network &&
698 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
699 network->qos_data.active = network->qos_data.supported;
700
701 if ((network->qos_data.active == 1) && (active_network == 1) &&
702 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
703 (network->qos_data.old_param_count !=
704 network->qos_data.param_count)) {
705 network->qos_data.old_param_count =
706 network->qos_data.param_count;
707 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
708 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
709 RT_TRACE (COMP_QOS, "QoS parameters change call "
710 "qos_activate\n");
711 }
712 } else {
713 memcpy(&priv->rtllib->current_network.qos_data.parameters,\
714 &def_qos_parameters, size);
715
716 if ((network->qos_data.active == 1) && (active_network == 1)) {
717 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
718 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
719 }
720 network->qos_data.active = 0;
721 network->qos_data.supported = 0;
722 }
723
724 return 0;
725 }
726
727 static int rtl8192_handle_beacon(struct net_device * dev,
728 struct rtllib_beacon * beacon,
729 struct rtllib_network * network)
730 {
731 struct r8192_priv *priv = rtllib_priv(dev);
732
733 rtl8192_qos_handle_probe_response(priv,1,network);
734
735 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
736 return 0;
737
738 }
739
740 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
741 struct rtllib_network *network)
742 {
743 int ret = 0;
744 unsigned long flags;
745 u32 size = sizeof(struct rtllib_qos_parameters);
746 int set_qos_param = 0;
747
748 if ((priv == NULL) || (network == NULL))
749 return ret;
750
751 if (priv->rtllib->state !=RTLLIB_LINKED)
752 return ret;
753
754 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
755 return ret;
756
757 spin_lock_irqsave(&priv->rtllib->lock, flags);
758 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
759 memcpy(&priv->rtllib->current_network.qos_data.parameters,\
760 &network->qos_data.parameters,\
761 sizeof(struct rtllib_qos_parameters));
762 priv->rtllib->current_network.qos_data.active = 1;
763 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
764 set_qos_param = 1;
765 priv->rtllib->current_network.qos_data.old_param_count =
766 priv->rtllib->current_network.qos_data.param_count;
767 priv->rtllib->current_network.qos_data.param_count =
768 network->qos_data.param_count;
769 } else {
770 memcpy(&priv->rtllib->current_network.qos_data.parameters,
771 &def_qos_parameters, size);
772 priv->rtllib->current_network.qos_data.active = 0;
773 priv->rtllib->current_network.qos_data.supported = 0;
774 set_qos_param = 1;
775 }
776
777 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
778
779 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
780 network->flags ,priv->rtllib->current_network.qos_data.active);
781 if (set_qos_param == 1) {
782 dm_init_edca_turbo(priv->rtllib->dev);
783 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
784 }
785 return ret;
786 }
787
788 static int rtl8192_handle_assoc_response(struct net_device *dev,
789 struct rtllib_assoc_response_frame *resp,
790 struct rtllib_network *network)
791 {
792 struct r8192_priv *priv = rtllib_priv(dev);
793 rtl8192_qos_association_resp(priv, network);
794 return 0;
795 }
796
797 void rtl8192_prepare_beacon(struct r8192_priv *priv)
798 {
799 struct net_device *dev = priv->rtllib->dev;
800 struct sk_buff *pskb = NULL, *pnewskb = NULL;
801 struct cb_desc *tcb_desc = NULL;
802 struct rtl8192_tx_ring *ring = NULL;
803 struct tx_desc *pdesc = NULL;
804
805 ring = &priv->tx_ring[BEACON_QUEUE];
806 pskb = __skb_dequeue(&ring->queue);
807 if (pskb)
808 kfree_skb(pskb);
809
810 pnewskb = rtllib_get_beacon(priv->rtllib);
811 if (!pnewskb)
812 return;
813
814 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
815 tcb_desc->queue_index = BEACON_QUEUE;
816 tcb_desc->data_rate = 2;
817 tcb_desc->RATRIndex = 7;
818 tcb_desc->bTxDisableRateFallBack = 1;
819 tcb_desc->bTxUseDriverAssingedRate = 1;
820 skb_push(pnewskb, priv->rtllib->tx_headroom);
821
822 pdesc = &ring->desc[0];
823 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
824 __skb_queue_tail(&ring->queue, pnewskb);
825 pdesc->OWN = 1;
826
827 return;
828 }
829
830 void rtl8192_stop_beacon(struct net_device *dev)
831 {
832 }
833
834 void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
835 {
836 struct r8192_priv *priv = rtllib_priv(dev);
837 struct rtllib_network *net;
838 u8 i=0, basic_rate = 0;
839 net = & priv->rtllib->current_network;
840
841 for (i = 0; i < net->rates_len; i++) {
842 basic_rate = net->rates[i] & 0x7f;
843 switch (basic_rate) {
844 case MGN_1M:
845 *rate_config |= RRSR_1M;
846 break;
847 case MGN_2M:
848 *rate_config |= RRSR_2M;
849 break;
850 case MGN_5_5M:
851 *rate_config |= RRSR_5_5M;
852 break;
853 case MGN_11M:
854 *rate_config |= RRSR_11M;
855 break;
856 case MGN_6M:
857 *rate_config |= RRSR_6M;
858 break;
859 case MGN_9M:
860 *rate_config |= RRSR_9M;
861 break;
862 case MGN_12M:
863 *rate_config |= RRSR_12M;
864 break;
865 case MGN_18M:
866 *rate_config |= RRSR_18M;
867 break;
868 case MGN_24M:
869 *rate_config |= RRSR_24M;
870 break;
871 case MGN_36M:
872 *rate_config |= RRSR_36M;
873 break;
874 case MGN_48M:
875 *rate_config |= RRSR_48M;
876 break;
877 case MGN_54M:
878 *rate_config |= RRSR_54M;
879 break;
880 }
881 }
882
883 for (i = 0; i < net->rates_ex_len; i++) {
884 basic_rate = net->rates_ex[i] & 0x7f;
885 switch (basic_rate) {
886 case MGN_1M:
887 *rate_config |= RRSR_1M;
888 break;
889 case MGN_2M:
890 *rate_config |= RRSR_2M;
891 break;
892 case MGN_5_5M:
893 *rate_config |= RRSR_5_5M;
894 break;
895 case MGN_11M:
896 *rate_config |= RRSR_11M;
897 break;
898 case MGN_6M:
899 *rate_config |= RRSR_6M;
900 break;
901 case MGN_9M:
902 *rate_config |= RRSR_9M;
903 break;
904 case MGN_12M:
905 *rate_config |= RRSR_12M;
906 break;
907 case MGN_18M:
908 *rate_config |= RRSR_18M;
909 break;
910 case MGN_24M:
911 *rate_config |= RRSR_24M;
912 break;
913 case MGN_36M:
914 *rate_config |= RRSR_36M;
915 break;
916 case MGN_48M:
917 *rate_config |= RRSR_48M;
918 break;
919 case MGN_54M:
920 *rate_config |= RRSR_54M;
921 break;
922 }
923 }
924 }
925
926 void rtl8192_refresh_supportrate(struct r8192_priv * priv)
927 {
928 struct rtllib_device* ieee = priv->rtllib;
929 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G) {
930 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
931 memcpy(ieee->Regdot11TxHTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
932
933 } else {
934 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
935 }
936 return;
937 }
938
939 u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
940 {
941 struct r8192_priv *priv = rtllib_priv(dev);
942 u8 ret = 0;
943
944 switch (priv->rf_chip) {
945 case RF_8225:
946 case RF_8256:
947 case RF_6052:
948 case RF_PSEUDO_11N:
949 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
950 break;
951 case RF_8258:
952 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
953 break;
954 default:
955 ret = WIRELESS_MODE_B;
956 break;
957 }
958 return ret;
959 }
960
961 void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
962 {
963 struct r8192_priv *priv = rtllib_priv(dev);
964 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
965
966 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode & bSupportMode) == 0)) {
967 if (bSupportMode & WIRELESS_MODE_N_24G) {
968 wireless_mode = WIRELESS_MODE_N_24G;
969 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
970 wireless_mode = WIRELESS_MODE_N_5G;
971 } else if ((bSupportMode & WIRELESS_MODE_A)) {
972 wireless_mode = WIRELESS_MODE_A;
973 } else if ((bSupportMode & WIRELESS_MODE_G)) {
974 wireless_mode = WIRELESS_MODE_G;
975 } else if ((bSupportMode & WIRELESS_MODE_B)) {
976 wireless_mode = WIRELESS_MODE_B;
977 } else {
978 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported (%x)!!!\n",
979 __func__, bSupportMode);
980 wireless_mode = WIRELESS_MODE_B;
981 }
982 }
983
984 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) == (WIRELESS_MODE_G | WIRELESS_MODE_B))
985 wireless_mode = WIRELESS_MODE_G;
986
987 priv->rtllib->mode = wireless_mode;
988
989 ActUpdateChannelAccessSetting( dev, wireless_mode, &priv->ChannelAccessSetting);
990
991 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G)){
992 priv->rtllib->pHTInfo->bEnableHT = 1;
993 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n", __func__,wireless_mode);
994 }else{
995 priv->rtllib->pHTInfo->bEnableHT = 0;
996 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n", __func__,wireless_mode);
997 }
998
999 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1000 rtl8192_refresh_supportrate(priv);
1001 }
1002
1003 int _rtl8192_sta_up(struct net_device *dev,bool is_silent_reset)
1004 {
1005 struct r8192_priv *priv = rtllib_priv(dev);
1006 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
1007 bool init_status = true;
1008 priv->bDriverIsGoingToUnload = false;
1009 priv->bdisable_nic = false;
1010
1011 priv->up=1;
1012 priv->rtllib->ieee_up=1;
1013
1014 priv->up_first_time = 0;
1015 RT_TRACE(COMP_INIT, "Bringing up iface");
1016 priv->bfirst_init = true;
1017 init_status = priv->ops->initialize_adapter(dev);
1018 if (init_status != true)
1019 {
1020 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
1021 priv->bfirst_init = false;
1022 return -1;
1023 }
1024
1025 RT_TRACE(COMP_INIT, "start adapter finished\n");
1026 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
1027 priv->bfirst_init = false;
1028
1029 if (priv->polling_timer_on == 0){
1030 check_rfctrl_gpio_timer((unsigned long)dev);
1031 }
1032
1033 if (priv->rtllib->state != RTLLIB_LINKED)
1034 rtllib_softmac_start_protocol(priv->rtllib, 0);
1035 rtllib_reset_queue(priv->rtllib);
1036 watch_dog_timer_callback((unsigned long) dev);
1037
1038
1039 if (!netif_queue_stopped(dev))
1040 netif_start_queue(dev);
1041 else
1042 netif_wake_queue(dev);
1043
1044 return 0;
1045 }
1046
1047 int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
1048 {
1049 struct r8192_priv *priv = rtllib_priv(dev);
1050 unsigned long flags = 0;
1051 u8 RFInProgressTimeOut = 0;
1052
1053 if (priv->up == 0) return -1;
1054
1055 if (priv->rtllib->rtllib_ips_leave != NULL)
1056 priv->rtllib->rtllib_ips_leave(dev);
1057
1058 if (priv->rtllib->state == RTLLIB_LINKED)
1059 LeisurePSLeave(dev);
1060
1061 priv->bDriverIsGoingToUnload = true;
1062 priv->up=0;
1063 priv->rtllib->ieee_up = 0;
1064 priv->bfirst_after_down = 1;
1065 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1066 if (!netif_queue_stopped(dev))
1067 netif_stop_queue(dev);
1068
1069 priv->rtllib->wpa_ie_len = 0;
1070 if (priv->rtllib->wpa_ie)
1071 kfree(priv->rtllib->wpa_ie);
1072 priv->rtllib->wpa_ie = NULL;
1073 CamResetAllEntry(dev);
1074 memset(priv->rtllib->swcamtable,0,sizeof(struct sw_cam_table)*32);
1075 rtl8192_irq_disable(dev);
1076
1077 del_timer_sync(&priv->watch_dog_timer);
1078 rtl8192_cancel_deferred_work(priv);
1079 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1080
1081 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1082 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1083 while(priv->RFChangeInProgress)
1084 {
1085 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1086 if (RFInProgressTimeOut > 100)
1087 {
1088 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1089 break;
1090 }
1091 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait until rf chang is done.\n",__func__);
1092 mdelay(1);
1093 RFInProgressTimeOut ++;
1094 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1095 }
1096 priv->RFChangeInProgress = true;
1097 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1098 priv->ops->stop_adapter(dev, false);
1099 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1100 priv->RFChangeInProgress = false;
1101 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1102 udelay(100);
1103 memset(&priv->rtllib->current_network, 0 , offsetof(struct rtllib_network, list));
1104 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1105
1106 return 0;
1107 }
1108
1109 static void rtl8192_init_priv_handler(struct net_device* dev)
1110 {
1111 struct r8192_priv *priv = rtllib_priv(dev);
1112
1113 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1114 priv->rtllib->set_chan = rtl8192_set_chan;
1115 priv->rtllib->link_change = priv->ops->link_change;
1116 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1117 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1118 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1119 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1120 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1121 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1122 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1123 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1124 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1125 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1126 priv->rf_set_chan = rtl8192_phy_SwChnl;
1127
1128 priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1129 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1130
1131 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1132 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1133 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1134
1135 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1136 priv->rtllib->GetHalfNmodeSupportByAPsHandler = rtl8192_GetHalfNmodeSupportByAPs;
1137
1138 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1139 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1140 priv->rtllib->SetFwCmdHandler = NULL;
1141 priv->rtllib->InitialGainHandler = InitialGain819xPci;
1142 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1143 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1144
1145 priv->rtllib->LedControlHandler = NULL;
1146 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1147
1148 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1149
1150 priv->rtllib->rtllib_rfkill_poll = NULL;
1151 }
1152
1153 static void rtl8192_init_priv_constant(struct net_device* dev)
1154 {
1155 struct r8192_priv *priv = rtllib_priv(dev);
1156 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
1157
1158 pPSC->RegMaxLPSAwakeIntvl = 5;
1159
1160 priv->RegPciASPM = 2;
1161
1162 priv->RegDevicePciASPMSetting = 0x03;
1163
1164 priv->RegHostPciASPMSetting = 0x02;
1165
1166 priv->RegHwSwRfOffD3 = 2;
1167
1168 priv->RegSupportPciASPM = 2;
1169 }
1170
1171
1172 static void rtl8192_init_priv_variable(struct net_device* dev)
1173 {
1174 struct r8192_priv *priv = rtllib_priv(dev);
1175 u8 i;
1176
1177 priv->AcmMethod = eAcmWay2_SW;
1178 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1179 priv->rtllib->hwscan_sem_up = 1;
1180 priv->rtllib->status = 0;
1181 priv->H2CTxCmdSeq = 0;
1182 priv->bDisableFrameBursting = 0;
1183 priv->bDMInitialGainEnable = 1;
1184 priv->polling_timer_on = 0;
1185 priv->up_first_time = 1;
1186 priv->blinked_ingpio = false;
1187 priv->bDriverIsGoingToUnload = false;
1188 priv->being_init_adapter = false;
1189 priv->initialized_at_probe = false;
1190 priv->sw_radio_on = true;
1191 priv->bdisable_nic = false;
1192 priv->bfirst_init = false;
1193 priv->txringcount = 64;
1194 priv->rxbuffersize = 9100;
1195 priv->rxringcount = MAX_RX_COUNT;
1196 priv->irq_enabled=0;
1197 priv->chan = 1;
1198 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1199 priv->RegChannelPlan = 0xf;
1200 priv->nrxAMPDU_size = 0;
1201 priv->nrxAMPDU_aggr_num = 0;
1202 priv->last_rxdesc_tsf_high = 0;
1203 priv->last_rxdesc_tsf_low = 0;
1204 priv->rtllib->mode = WIRELESS_MODE_AUTO;
1205 priv->rtllib->iw_mode = IW_MODE_INFRA;
1206 priv->rtllib->bNetPromiscuousMode = false;
1207 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1208 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame = false;
1209 priv->rtllib->ieee_up=0;
1210 priv->retry_rts = DEFAULT_RETRY_RTS;
1211 priv->retry_data = DEFAULT_RETRY_DATA;
1212 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1213 priv->rtllib->rate = 110;
1214 priv->rtllib->short_slot = 1;
1215 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
1216 priv->bcck_in_ch14 = false;
1217 priv->bfsync_processing = false;
1218 priv->CCKPresentAttentuation = 0;
1219 priv->rfa_txpowertrackingindex = 0;
1220 priv->rfc_txpowertrackingindex = 0;
1221 priv->CckPwEnl = 6;
1222 priv->ScanDelay = 50;
1223 priv->ResetProgress = RESET_TYPE_NORESET;
1224 priv->bForcedSilentReset = 0;
1225 priv->bDisableNormalResetCheck = false;
1226 priv->force_reset = false;
1227 memset(priv->rtllib->swcamtable,0,sizeof(struct sw_cam_table)*32);
1228
1229 memset(&priv->InterruptLog,0,sizeof(struct log_int_8190));
1230 priv->RxCounter = 0;
1231 priv->rtllib->wx_set_enc = 0;
1232 priv->bHwRadioOff = false;
1233 priv->RegRfOff = 0;
1234 priv->isRFOff = false;
1235 priv->bInPowerSaveMode = false;
1236 priv->rtllib->RfOffReason = 0;
1237 priv->RFChangeInProgress = false;
1238 priv->bHwRfOffAction = 0;
1239 priv->SetRFPowerStateInProgress = false;
1240 priv->rtllib->PowerSaveControl.bInactivePs = true;
1241 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1242 priv->rtllib->PowerSaveControl.bLeisurePs = true;
1243 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1244 priv->rtllib->LPSDelayCnt = 0;
1245 priv->rtllib->sta_sleep = LPS_IS_WAKE;
1246 priv->rtllib->eRFPowerState = eRfOn;
1247
1248 priv->txpower_checkcnt = 0;
1249 priv->thermal_readback_index =0;
1250 priv->txpower_tracking_callback_cnt = 0;
1251 priv->ccktxpower_adjustcnt_ch14 = 0;
1252 priv->ccktxpower_adjustcnt_not_ch14 = 0;
1253
1254 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1255 priv->rtllib->iw_mode = IW_MODE_INFRA;
1256 priv->rtllib->active_scan = 1;
1257 priv->rtllib->be_scan_inprogress = false;
1258 priv->rtllib->modulation = RTLLIB_CCK_MODULATION | RTLLIB_OFDM_MODULATION;
1259 priv->rtllib->host_encrypt = 1;
1260 priv->rtllib->host_decrypt = 1;
1261
1262 priv->rtllib->dot11PowerSaveMode = eActive;
1263 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1264 priv->rtllib->MaxMssDensity = 0;
1265 priv->rtllib->MinSpaceCfg = 0;
1266
1267 priv->card_type = PCI;
1268
1269 priv->AcmControl = 0;
1270 priv->pFirmware = (struct rt_firmware *)vmalloc(sizeof(struct rt_firmware));
1271 if (priv->pFirmware)
1272 memset(priv->pFirmware, 0, sizeof(struct rt_firmware));
1273
1274 skb_queue_head_init(&priv->rx_queue);
1275 skb_queue_head_init(&priv->skb_queue);
1276
1277 for (i = 0; i < MAX_QUEUE_SIZE; i++) {
1278 skb_queue_head_init(&priv->rtllib->skb_waitQ [i]);
1279 }
1280 for (i = 0; i < MAX_QUEUE_SIZE; i++) {
1281 skb_queue_head_init(&priv->rtllib->skb_aggQ [i]);
1282 }
1283
1284 }
1285
1286 static void rtl8192_init_priv_lock(struct r8192_priv * priv)
1287 {
1288 spin_lock_init(&priv->fw_scan_lock);
1289 spin_lock_init(&priv->tx_lock);
1290 spin_lock_init(&priv->irq_lock);
1291 spin_lock_init(&priv->irq_th_lock);
1292 spin_lock_init(&priv->rf_ps_lock);
1293 spin_lock_init(&priv->ps_lock);
1294 spin_lock_init(&priv->rf_lock);
1295 spin_lock_init(&priv->rt_h2c_lock);
1296 sema_init(&priv->wx_sem,1);
1297 sema_init(&priv->rf_sem,1);
1298 mutex_init(&priv->mutex);
1299 }
1300
1301 static void rtl8192_init_priv_task(struct net_device* dev)
1302 {
1303 struct r8192_priv *priv = rtllib_priv(dev);
1304
1305 priv->priv_wq = create_workqueue(DRV_NAME);
1306 INIT_WORK_RSL(&priv->reset_wq, (void*)rtl8192_restart, dev);
1307 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void*)IPSLeave_wq, dev);
1308 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq, (void*)rtl819x_watchdog_wqcallback, dev);
1309 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq, (void*)dm_txpower_trackingcallback, dev);
1310 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq, (void*)dm_rf_pathcheck_workitemcallback, dev);
1311 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq, (void*)rtl8192_update_beacon, dev);
1312 INIT_WORK_RSL(&priv->qos_activate, (void*)rtl8192_qos_activate, dev);
1313 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq, dev);
1314 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq, dev);
1315 tasklet_init(&priv->irq_rx_tasklet,
1316 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1317 (unsigned long)priv);
1318 tasklet_init(&priv->irq_tx_tasklet,
1319 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1320 (unsigned long)priv);
1321 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1322 (void(*)(unsigned long))rtl8192_prepare_beacon,
1323 (unsigned long)priv);
1324 }
1325
1326 short rtl8192_get_channel_map(struct net_device * dev)
1327 {
1328 int i;
1329
1330 struct r8192_priv *priv = rtllib_priv(dev);
1331 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1332 && (priv->rf_chip != RF_6052)) {
1333 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel map\n", __func__);
1334 return -1;
1335 }
1336
1337 if (priv->ChannelPlan > COUNTRY_CODE_MAX) {
1338 printk("rtl819x_init:Error channel plan! Set to default.\n");
1339 priv->ChannelPlan= COUNTRY_CODE_FCC;
1340 }
1341 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
1342 Dot11d_Init(priv->rtllib);
1343 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1344 for (i = 1; i <= 11; i++) {
1345 (priv->rtllib->active_channel_map)[i] = 1;
1346 }
1347 (priv->rtllib->active_channel_map)[12] = 2;
1348 (priv->rtllib->active_channel_map)[13] = 2;
1349
1350 return 0;
1351 }
1352
1353 short rtl8192_init(struct net_device *dev)
1354 {
1355 struct r8192_priv *priv = rtllib_priv(dev);
1356
1357 memset(&(priv->stats),0,sizeof(struct rt_stats));
1358
1359 rtl8192_dbgp_flag_init(dev);
1360
1361 rtl8192_init_priv_handler(dev);
1362 rtl8192_init_priv_constant(dev);
1363 rtl8192_init_priv_variable(dev);
1364 rtl8192_init_priv_lock(priv);
1365 rtl8192_init_priv_task(dev);
1366 priv->ops->get_eeprom_size(dev);
1367 priv->ops->init_adapter_variable(dev);
1368 rtl8192_get_channel_map(dev);
1369
1370 init_hal_dm(dev);
1371
1372 init_timer(&priv->watch_dog_timer);
1373 setup_timer(&priv->watch_dog_timer,
1374 watch_dog_timer_callback,
1375 (unsigned long) dev);
1376
1377 init_timer(&priv->gpio_polling_timer);
1378 setup_timer(&priv->gpio_polling_timer,
1379 check_rfctrl_gpio_timer,
1380 (unsigned long)dev);
1381
1382 rtl8192_irq_disable(dev);
1383 if (request_irq(dev->irq, (void*)rtl8192_interrupt_rsl, IRQF_SHARED, dev->name, dev))
1384 {
1385 printk("Error allocating IRQ %d",dev->irq);
1386 return -1;
1387 } else {
1388 priv->irq=dev->irq;
1389 RT_TRACE(COMP_INIT, "IRQ %d\n",dev->irq);
1390 }
1391
1392 if (rtl8192_pci_initdescring(dev) != 0) {
1393 printk("Endopoints initialization failed");
1394 return -1;
1395 }
1396
1397 return 0;
1398 }
1399
1400 /***************************************************************************
1401 -------------------------------WATCHDOG STUFF---------------------------
1402 ***************************************************************************/
1403 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1404 {
1405 int i=0;
1406 struct r8192_priv *priv = rtllib_priv(dev);
1407 for (i=0; i<=MGNT_QUEUE; i++)
1408 {
1409 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1410 continue;
1411 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1412 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1413 return 0;
1414 }
1415 }
1416 return 1;
1417 }
1418
1419 enum reset_type
1420 rtl819x_TxCheckStuck(struct net_device *dev)
1421 {
1422 struct r8192_priv *priv = rtllib_priv(dev);
1423 u8 QueueID;
1424 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1425 bool bCheckFwTxCnt = false;
1426 struct rtl8192_tx_ring *ring = NULL;
1427 struct sk_buff* skb = NULL;
1428 struct cb_desc * tcb_desc = NULL;
1429 unsigned long flags = 0;
1430
1431 switch (priv->rtllib->ps)
1432 {
1433 case RTLLIB_PS_DISABLED:
1434 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1435 break;
1436 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1437 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1438 break;
1439 default:
1440 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1441 break;
1442 }
1443 spin_lock_irqsave(&priv->irq_th_lock,flags);
1444 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++)
1445 {
1446 if (QueueID == TXCMD_QUEUE)
1447 continue;
1448
1449 if (QueueID == BEACON_QUEUE)
1450 continue;
1451
1452 ring = &priv->tx_ring[QueueID];
1453
1454 if (skb_queue_len(&ring->queue) == 0)
1455 continue;
1456 else
1457 {
1458 skb = (&ring->queue)->next;
1459 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1460 tcb_desc->nStuckCount++;
1461 bCheckFwTxCnt = true;
1462 if (tcb_desc->nStuckCount > 1)
1463 printk("%s: QueueID=%d tcb_desc->nStuckCount=%d\n",__func__,QueueID,tcb_desc->nStuckCount);
1464 }
1465 }
1466 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1467
1468 if (bCheckFwTxCnt) {
1469 if (priv->ops->TxCheckStuckHandler(dev))
1470 {
1471 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
1472 return RESET_TYPE_SILENT;
1473 }
1474 }
1475
1476 return RESET_TYPE_NORESET;
1477 }
1478
1479 enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1480 {
1481 struct r8192_priv *priv = rtllib_priv(dev);
1482
1483 if (priv->ops->RxCheckStuckHandler(dev))
1484 {
1485 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1486 return RESET_TYPE_SILENT;
1487 }
1488
1489 return RESET_TYPE_NORESET;
1490 }
1491
1492 enum reset_type
1493 rtl819x_ifcheck_resetornot(struct net_device *dev)
1494 {
1495 struct r8192_priv *priv = rtllib_priv(dev);
1496 enum reset_type TxResetType = RESET_TYPE_NORESET;
1497 enum reset_type RxResetType = RESET_TYPE_NORESET;
1498 enum rt_rf_power_state rfState;
1499
1500 rfState = priv->rtllib->eRFPowerState;
1501
1502 if (rfState == eRfOn)
1503 TxResetType = rtl819x_TxCheckStuck(dev);
1504
1505 if ( rfState == eRfOn &&
1506 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1507 (priv->rtllib->state == RTLLIB_LINKED)) {
1508
1509 RxResetType = rtl819x_RxCheckStuck(dev);
1510 }
1511
1512 if (TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL){
1513 printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
1514 return RESET_TYPE_NORMAL;
1515 } else if (TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT){
1516 printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
1517 return RESET_TYPE_SILENT;
1518 } else {
1519 return RESET_TYPE_NORESET;
1520 }
1521
1522 }
1523
1524 void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1525 {
1526 }
1527
1528 void rtl819x_ifsilentreset(struct net_device *dev)
1529 {
1530 struct r8192_priv *priv = rtllib_priv(dev);
1531 u8 reset_times = 0;
1532 int reset_status = 0;
1533 struct rtllib_device *ieee = priv->rtllib;
1534 unsigned long flag;
1535
1536 u8 IsPortal = 0;
1537
1538
1539 if (priv->ResetProgress==RESET_TYPE_NORESET) {
1540
1541 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
1542
1543 priv->ResetProgress = RESET_TYPE_SILENT;
1544
1545 spin_lock_irqsave(&priv->rf_ps_lock,flag);
1546 if (priv->RFChangeInProgress)
1547 {
1548 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1549 goto END;
1550 }
1551 priv->RFChangeInProgress = true;
1552 priv->bResetInProgress = true;
1553 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1554
1555 RESET_START:
1556
1557 down(&priv->wx_sem);
1558
1559 if (priv->rtllib->state == RTLLIB_LINKED)
1560 LeisurePSLeave(dev);
1561
1562 if (IS_NIC_DOWN(priv)) {
1563 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__func__);
1564 up(&priv->wx_sem);
1565 return ;
1566 }
1567 priv->up = 0;
1568
1569 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__func__);
1570 mdelay(1000);
1571 RT_TRACE(COMP_RESET,"%s():111111111111111111111111======>start to down the driver\n",__func__);
1572
1573 if (!netif_queue_stopped(dev))
1574 netif_stop_queue(dev);
1575
1576 rtl8192_irq_disable(dev);
1577 del_timer_sync(&priv->watch_dog_timer);
1578 rtl8192_cancel_deferred_work(priv);
1579 deinit_hal_dm(dev);
1580 rtllib_stop_scan_syncro(ieee);
1581
1582 if (ieee->state == RTLLIB_LINKED) {
1583 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1584 printk("ieee->state is RTLLIB_LINKED\n");
1585 rtllib_stop_send_beacons(priv->rtllib);
1586 del_timer_sync(&ieee->associate_timer);
1587 cancel_delayed_work(&ieee->associate_retry_wq);
1588 rtllib_stop_scan(ieee);
1589 netif_carrier_off(dev);
1590 SEM_UP_IEEE_WX(&ieee->wx_sem);
1591 } else {
1592 printk("ieee->state is NOT LINKED\n");
1593 rtllib_softmac_stop_protocol(priv->rtllib, 0 ,true);
1594 }
1595
1596 dm_backup_dynamic_mechanism_state(dev);
1597
1598 up(&priv->wx_sem);
1599 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__func__);
1600
1601 RT_TRACE(COMP_RESET,"%s():<===========up process start\n",__func__);
1602 reset_status = _rtl8192_up(dev,true);
1603
1604 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__func__);
1605 if (reset_status == -1) {
1606 if (reset_times < 3) {
1607 reset_times++;
1608 goto RESET_START;
1609 } else {
1610 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__func__);
1611 }
1612 }
1613
1614 ieee->is_silent_reset = 1;
1615
1616 spin_lock_irqsave(&priv->rf_ps_lock,flag);
1617 priv->RFChangeInProgress = false;
1618 spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
1619
1620 EnableHWSecurityConfig8192(dev);
1621
1622 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1623 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1624
1625 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1626
1627 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_ADHOC) {
1628 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1629 ieee->link_change(ieee->dev);
1630
1631 notify_wx_assoc_event(ieee);
1632
1633 rtllib_start_send_beacons(ieee);
1634
1635 if (ieee->data_hard_resume)
1636 ieee->data_hard_resume(ieee->dev);
1637 netif_carrier_on(ieee->dev);
1638 } else if (ieee->iw_mode == IW_MODE_MESH) {
1639 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1640 }
1641
1642 CamRestoreAllEntry(dev);
1643 dm_restore_dynamic_mechanism_state(dev);
1644 END:
1645 priv->ResetProgress = RESET_TYPE_NORESET;
1646 priv->reset_count++;
1647
1648 priv->bForcedSilentReset =false;
1649 priv->bResetInProgress = false;
1650
1651 write_nic_byte(dev, UFWP, 1);
1652 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
1653 }
1654 }
1655
1656 void rtl819x_update_rxcounts(struct r8192_priv *priv,
1657 u32 *TotalRxBcnNum,
1658 u32 *TotalRxDataNum)
1659 {
1660 u16 SlotIndex;
1661 u8 i;
1662
1663 *TotalRxBcnNum = 0;
1664 *TotalRxDataNum = 0;
1665
1666 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++)%(priv->rtllib->LinkDetectInfo.SlotNum);
1667 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1668 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1669 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1670 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1671 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1672 }
1673 }
1674
1675
1676 void rtl819x_watchdog_wqcallback(void *data)
1677 {
1678 struct r8192_priv *priv = container_of_dwork_rsl(data, struct r8192_priv, watch_dog_wq);
1679 struct net_device *dev = priv->rtllib->dev;
1680 struct rtllib_device* ieee = priv->rtllib;
1681 enum reset_type ResetType = RESET_TYPE_NORESET;
1682 static u8 check_reset_cnt = 0;
1683 unsigned long flags;
1684 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
1685 bool bBusyTraffic = false;
1686 bool bHigherBusyTraffic = false;
1687 bool bHigherBusyRxTraffic = false;
1688 bool bEnterPS = false;
1689
1690 if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1691 return;
1692
1693 if (priv->rtllib->state >= RTLLIB_LINKED) {
1694 if (priv->rtllib->CntAfterLink<2)
1695 priv->rtllib->CntAfterLink++;
1696 } else {
1697 priv->rtllib->CntAfterLink = 0;
1698 }
1699
1700 hal_dm_watchdog(dev);
1701
1702 if (rtllib_act_scanning(priv->rtllib,false) == false){
1703 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == RTLLIB_NOLINK) &&\
1704 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
1705 (!ieee->proto_stoppping) && !ieee->wx_set_enc
1706 ){
1707 if ((ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE)&&
1708 (!ieee->bNetPromiscuousMode))
1709 {
1710 RT_TRACE(COMP_PS, "====================>haha:IPSEnter()\n");
1711 IPSEnter(dev);
1712 }
1713 }
1714 }
1715 {
1716 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode == IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode))
1717 {
1718 if ( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
1719 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
1720 bBusyTraffic = true;
1721 }
1722
1723
1724 if ( ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1725 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000 )
1726 {
1727 bHigherBusyTraffic = true;
1728 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1729 bHigherBusyRxTraffic = true;
1730 else
1731 bHigherBusyRxTraffic = false;
1732 }
1733
1734 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1735 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1736 bEnterPS= false;
1737 else
1738 bEnterPS= true;
1739
1740 if (ieee->current_network.beacon_interval < 95)
1741 bEnterPS= false;
1742
1743 if (bEnterPS)
1744 LeisurePSEnter(dev);
1745 else
1746 LeisurePSLeave(dev);
1747
1748 } else {
1749 RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
1750 LeisurePSLeave(dev);
1751 }
1752
1753 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1754 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1755 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1756 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1757
1758 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1759 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1760
1761 }
1762
1763 {
1764 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA)
1765 {
1766 u32 TotalRxBcnNum = 0;
1767 u32 TotalRxDataNum = 0;
1768
1769 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1770
1771 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1772 priv->check_roaming_cnt ++;
1773 else
1774 priv->check_roaming_cnt = 0;
1775
1776
1777 if (priv->check_roaming_cnt > 0)
1778 {
1779 if ( ieee->eRFPowerState == eRfOff)
1780 RT_TRACE(COMP_ERR,"========>%s()\n",__func__);
1781
1782 printk("===>%s(): AP is power off,chan:%d, connect another one\n",__func__, priv->chan);
1783
1784 ieee->state = RTLLIB_ASSOCIATING;
1785
1786 RemovePeerTS(priv->rtllib,priv->rtllib->current_network.bssid);
1787 ieee->is_roaming = true;
1788 ieee->is_set_key = false;
1789 ieee->link_change(dev);
1790 if (ieee->LedControlHandler)
1791 ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK);
1792
1793 notify_wx_assoc_event(ieee);
1794
1795 if (!(ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_CCMP|SEC_ALG_TKIP)))
1796 queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
1797
1798 priv->check_roaming_cnt = 0;
1799 }
1800 }
1801 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
1802 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
1803
1804 }
1805
1806 spin_lock_irqsave(&priv->tx_lock,flags);
1807 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1808 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing))
1809 {
1810 ResetType = rtl819x_ifcheck_resetornot(dev);
1811 check_reset_cnt = 3;
1812 }
1813 spin_unlock_irqrestore(&priv->tx_lock,flags);
1814
1815 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
1816 {
1817 priv->ResetProgress = RESET_TYPE_NORMAL;
1818 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__func__);
1819 return;
1820 }
1821
1822 if ( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))
1823 {
1824 rtl819x_ifsilentreset(dev);
1825 }
1826 priv->force_reset = false;
1827 priv->bForcedSilentReset = false;
1828 priv->bResetInProgress = false;
1829 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1830 }
1831
1832 void watch_dog_timer_callback(unsigned long data)
1833 {
1834 struct r8192_priv *priv = rtllib_priv((struct net_device *) data);
1835 queue_delayed_work_rsl(priv->priv_wq,&priv->watch_dog_wq,0);
1836 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
1837 }
1838
1839 /****************************************************************************
1840 ---------------------------- NIC TX/RX STUFF---------------------------
1841 *****************************************************************************/
1842 void rtl8192_rx_enable(struct net_device *dev)
1843 {
1844 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1845 priv->ops->rx_enable(dev);
1846 }
1847
1848 void rtl8192_tx_enable(struct net_device *dev)
1849 {
1850 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1851
1852 priv->ops->tx_enable(dev);
1853
1854 rtllib_reset_queue(priv->rtllib);
1855 }
1856
1857
1858 static void rtl8192_free_rx_ring(struct net_device *dev)
1859 {
1860 struct r8192_priv *priv = rtllib_priv(dev);
1861 int i,rx_queue_idx;
1862
1863 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
1864 for (i = 0; i < priv->rxringcount; i++) {
1865 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1866 if (!skb)
1867 continue;
1868
1869 pci_unmap_single(priv->pdev,
1870 *((dma_addr_t *)skb->cb),
1871 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1872 kfree_skb(skb);
1873 }
1874
1875 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
1876 priv->rx_ring[rx_queue_idx], priv->rx_ring_dma[rx_queue_idx]);
1877 priv->rx_ring[rx_queue_idx] = NULL;
1878 }
1879 }
1880
1881 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1882 {
1883 struct r8192_priv *priv = rtllib_priv(dev);
1884 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1885
1886 while (skb_queue_len(&ring->queue)) {
1887 struct tx_desc *entry = &ring->desc[ring->idx];
1888 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1889
1890 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1891 skb->len, PCI_DMA_TODEVICE);
1892 kfree_skb(skb);
1893 ring->idx = (ring->idx + 1) % ring->entries;
1894 }
1895
1896 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1897 ring->desc, ring->dma);
1898 ring->desc = NULL;
1899 }
1900
1901 void rtl8192_data_hard_stop(struct net_device *dev)
1902 {
1903 }
1904
1905
1906 void rtl8192_data_hard_resume(struct net_device *dev)
1907 {
1908 }
1909
1910 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
1911 {
1912 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1913 int ret;
1914 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1915 u8 queue_index = tcb_desc->queue_index;
1916
1917 if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) || priv->bResetInProgress){
1918 kfree_skb(skb);
1919 return;
1920 }
1921
1922 assert(queue_index != TXCMD_QUEUE);
1923
1924
1925 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1926 skb_push(skb, priv->rtllib->tx_headroom);
1927 ret = rtl8192_tx(dev, skb);
1928 if (ret != 0) {
1929 kfree_skb(skb);
1930 };
1931
1932 if (queue_index!=MGNT_QUEUE) {
1933 priv->rtllib->stats.tx_bytes+=(skb->len - priv->rtllib->tx_headroom);
1934 priv->rtllib->stats.tx_packets++;
1935 }
1936
1937
1938 return;
1939 }
1940
1941 int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
1942 {
1943 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1944 int ret;
1945 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1946 u8 queue_index = tcb_desc->queue_index;
1947
1948 if (queue_index != TXCMD_QUEUE){
1949 if ((priv->rtllib->eRFPowerState == eRfOff) ||IS_NIC_DOWN(priv) || priv->bResetInProgress){
1950 kfree_skb(skb);
1951 return 0;
1952 }
1953 }
1954
1955 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1956 if (queue_index == TXCMD_QUEUE) {
1957 rtl8192_tx_cmd(dev, skb);
1958 ret = 0;
1959 return ret;
1960 } else {
1961 tcb_desc->RATRIndex = 7;
1962 tcb_desc->bTxDisableRateFallBack = 1;
1963 tcb_desc->bTxUseDriverAssingedRate = 1;
1964 tcb_desc->bTxEnableFwCalcDur = 1;
1965 skb_push(skb, priv->rtllib->tx_headroom);
1966 ret = rtl8192_tx(dev, skb);
1967 if (ret != 0) {
1968 kfree_skb(skb);
1969 };
1970 }
1971
1972
1973
1974 return ret;
1975
1976 }
1977
1978 void rtl8192_tx_isr(struct net_device *dev, int prio)
1979 {
1980 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1981
1982 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1983
1984 while (skb_queue_len(&ring->queue)) {
1985 struct tx_desc *entry = &ring->desc[ring->idx];
1986 struct sk_buff *skb;
1987
1988 if (prio != BEACON_QUEUE) {
1989 if (entry->OWN)
1990 return;
1991 ring->idx = (ring->idx + 1) % ring->entries;
1992 }
1993
1994 skb = __skb_dequeue(&ring->queue);
1995 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1996 skb->len, PCI_DMA_TODEVICE);
1997
1998 kfree_skb(skb);
1999 }
2000 if (prio != BEACON_QUEUE) {
2001 tasklet_schedule(&priv->irq_tx_tasklet);
2002 }
2003
2004 }
2005
2006 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
2007 {
2008 struct r8192_priv *priv = rtllib_priv(dev);
2009 struct rtl8192_tx_ring *ring;
2010 struct tx_desc_cmd * entry;
2011 unsigned int idx;
2012 struct cb_desc *tcb_desc;
2013 unsigned long flags;
2014
2015 spin_lock_irqsave(&priv->irq_th_lock,flags);
2016 ring = &priv->tx_ring[TXCMD_QUEUE];
2017
2018 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2019 entry = (struct tx_desc_cmd *) &ring->desc[idx];
2020
2021 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
2022
2023 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
2024
2025 __skb_queue_tail(&ring->queue, skb);
2026 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2027
2028 return;
2029 }
2030
2031 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
2032 {
2033 struct r8192_priv *priv = rtllib_priv(dev);
2034 struct rtl8192_tx_ring *ring;
2035 unsigned long flags;
2036 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
2037 struct tx_desc *pdesc = NULL;
2038 struct rtllib_hdr_1addr * header = NULL;
2039 u16 fc=0, type=0,stype=0;
2040 bool multi_addr=false,broad_addr=false,uni_addr=false;
2041 u8* pda_addr = NULL;
2042 int idx;
2043 u32 fwinfo_size = 0;
2044
2045 if (priv->bdisable_nic){
2046 RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __func__, skb->len, tcb_desc->queue_index);
2047 return skb->len;
2048 }
2049
2050 priv->rtllib->bAwakePktSent = true;
2051
2052 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2053
2054 header = (struct rtllib_hdr_1addr *)(((u8*)skb->data) + fwinfo_size);
2055 fc = header->frame_ctl;
2056 type = WLAN_FC_GET_TYPE(fc);
2057 stype = WLAN_FC_GET_STYPE(fc);
2058 pda_addr = header->addr1;
2059
2060 if (is_multicast_ether_addr(pda_addr))
2061 multi_addr = true;
2062 else if (is_broadcast_ether_addr(pda_addr))
2063 broad_addr = true;
2064 else {
2065 uni_addr = true;
2066 }
2067
2068 if (uni_addr)
2069 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2070 else if (multi_addr)
2071 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2072 else
2073 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2074
2075 spin_lock_irqsave(&priv->irq_th_lock,flags);
2076 ring = &priv->tx_ring[tcb_desc->queue_index];
2077 if (tcb_desc->queue_index != BEACON_QUEUE) {
2078 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2079 } else {
2080 idx = 0;
2081 }
2082
2083 pdesc = &ring->desc[idx];
2084 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2085 RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d, skblen = 0x%x queuelen=%d", \
2086 tcb_desc->queue_index,ring->idx, idx,skb->len, skb_queue_len(&ring->queue));
2087 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2088 return skb->len;
2089 }
2090
2091 if (tcb_desc->queue_index == MGNT_QUEUE){
2092 }
2093
2094 if (type == RTLLIB_FTYPE_DATA){
2095 if (priv->rtllib->LedControlHandler)
2096 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2097 }
2098 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2099 __skb_queue_tail(&ring->queue, skb);
2100 pdesc->OWN = 1;
2101 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2102 dev->trans_start = jiffies;
2103
2104 write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
2105 return 0;
2106 }
2107
2108 short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2109 {
2110 struct r8192_priv *priv = rtllib_priv(dev);
2111 struct rx_desc *entry = NULL;
2112 int i, rx_queue_idx;
2113
2114 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
2115 priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2116 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount, &priv->rx_ring_dma[rx_queue_idx]);
2117
2118 if (!priv->rx_ring[rx_queue_idx] || (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2119 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
2120 return -ENOMEM;
2121 }
2122
2123 memset(priv->rx_ring[rx_queue_idx], 0, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount);
2124 priv->rx_idx[rx_queue_idx] = 0;
2125
2126 for (i = 0; i < priv->rxringcount; i++) {
2127 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2128 dma_addr_t *mapping;
2129 entry = &priv->rx_ring[rx_queue_idx][i];
2130 if (!skb)
2131 return 0;
2132 skb->dev = dev;
2133 priv->rx_buf[rx_queue_idx][i] = skb;
2134 mapping = (dma_addr_t *)skb->cb;
2135 *mapping = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb),
2136 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
2137
2138 entry->BufferAddress = cpu_to_le32(*mapping);
2139
2140 entry->Length = priv->rxbuffersize;
2141 entry->OWN = 1;
2142 }
2143
2144 entry->EOR = 1;
2145 }
2146 return 0;
2147 }
2148
2149 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2150 unsigned int prio, unsigned int entries)
2151 {
2152 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2153 struct tx_desc *ring;
2154 dma_addr_t dma;
2155 int i;
2156
2157 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2158 if (!ring || (unsigned long)ring & 0xFF) {
2159 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
2160 return -ENOMEM;
2161 }
2162
2163 memset(ring, 0, sizeof(*ring)*entries);
2164 priv->tx_ring[prio].desc = ring;
2165 priv->tx_ring[prio].dma = dma;
2166 priv->tx_ring[prio].idx = 0;
2167 priv->tx_ring[prio].entries = entries;
2168 skb_queue_head_init(&priv->tx_ring[prio].queue);
2169
2170 for (i = 0; i < entries; i++)
2171 ring[i].NextDescAddress =
2172 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
2173
2174 return 0;
2175 }
2176
2177
2178 short rtl8192_pci_initdescring(struct net_device *dev)
2179 {
2180 u32 ret;
2181 int i;
2182 struct r8192_priv *priv = rtllib_priv(dev);
2183
2184 ret = rtl8192_alloc_rx_desc_ring(dev);
2185 if (ret) {
2186 return ret;
2187 }
2188
2189
2190 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2191 if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
2192 goto err_free_rings;
2193 }
2194
2195 return 0;
2196
2197 err_free_rings:
2198 rtl8192_free_rx_ring(dev);
2199 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2200 if (priv->tx_ring[i].desc)
2201 rtl8192_free_tx_ring(dev, i);
2202 return 1;
2203 }
2204
2205 void rtl8192_pci_resetdescring(struct net_device *dev)
2206 {
2207 struct r8192_priv *priv = rtllib_priv(dev);
2208 int i,rx_queue_idx;
2209 unsigned long flags = 0;
2210
2211 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
2212 if (priv->rx_ring[rx_queue_idx]) {
2213 struct rx_desc *entry = NULL;
2214 for (i = 0; i < priv->rxringcount; i++) {
2215 entry = &priv->rx_ring[rx_queue_idx][i];
2216 entry->OWN = 1;
2217 }
2218 priv->rx_idx[rx_queue_idx] = 0;
2219 }
2220 }
2221
2222 spin_lock_irqsave(&priv->irq_th_lock,flags);
2223 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2224 if (priv->tx_ring[i].desc) {
2225 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2226
2227 while (skb_queue_len(&ring->queue)) {
2228 struct tx_desc *entry = &ring->desc[ring->idx];
2229 struct sk_buff *skb = __skb_dequeue(&ring->queue);
2230
2231 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
2232 skb->len, PCI_DMA_TODEVICE);
2233 kfree_skb(skb);
2234 ring->idx = (ring->idx + 1) % ring->entries;
2235 }
2236 ring->idx = 0;
2237 }
2238 }
2239 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2240 }
2241
2242 void rtl819x_UpdateRxPktTimeStamp (struct net_device *dev, struct rtllib_rx_stats *stats)
2243 {
2244 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2245
2246 if (stats->bIsAMPDU && !stats->bFirstMPDU)
2247 stats->mac_time = priv->LastRxDescTSF;
2248 else
2249 priv->LastRxDescTSF = stats->mac_time;
2250 }
2251
2252 long rtl819x_translate_todbm(struct r8192_priv * priv, u8 signal_strength_index )
2253 {
2254 long signal_power;
2255
2256 signal_power = (long)((signal_strength_index + 1) >> 1);
2257 signal_power -= 95;
2258
2259 return signal_power;
2260 }
2261
2262
2263 void
2264 rtl819x_update_rxsignalstatistics8190pci(
2265 struct r8192_priv * priv,
2266 struct rtllib_rx_stats * pprevious_stats
2267 )
2268 {
2269 int weighting = 0;
2270
2271
2272 if (priv->stats.recv_signal_power == 0)
2273 priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
2274
2275 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2276 weighting = 5;
2277 else if (pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
2278 weighting = (-5);
2279 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
2280 }
2281
2282 void
2283 rtl819x_process_cck_rxpathsel(
2284 struct r8192_priv * priv,
2285 struct rtllib_rx_stats * pprevious_stats
2286 )
2287 {
2288 }
2289
2290
2291 u8 rtl819x_query_rxpwrpercentage(
2292 char antpower
2293 )
2294 {
2295 if ((antpower <= -100) || (antpower >= 20))
2296 {
2297 return 0;
2298 }
2299 else if (antpower >= 0)
2300 {
2301 return 100;
2302 }
2303 else
2304 {
2305 return (100+antpower);
2306 }
2307
2308 } /* QueryRxPwrPercentage */
2309
2310 u8
2311 rtl819x_evm_dbtopercentage(
2312 char value
2313 )
2314 {
2315 char ret_val;
2316
2317 ret_val = value;
2318
2319 if (ret_val >= 0)
2320 ret_val = 0;
2321 if (ret_val <= -33)
2322 ret_val = -33;
2323 ret_val = 0 - ret_val;
2324 ret_val*=3;
2325 if (ret_val == 99)
2326 ret_val = 100;
2327 return(ret_val);
2328 }
2329
2330 void
2331 rtl8192_record_rxdesc_forlateruse(
2332 struct rtllib_rx_stats * psrc_stats,
2333 struct rtllib_rx_stats * ptarget_stats
2334 )
2335 {
2336 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2337 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2338 }
2339
2340
2341
2342 void rtl8192_rx_normal(struct net_device *dev)
2343 {
2344 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2345 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2346 bool unicast_packet = false;
2347 bool bLedBlinking=true;
2348 u16 fc=0, type=0;
2349 u32 skb_len = 0;
2350 int rx_queue_idx = RX_MPDU_QUEUE;
2351
2352 struct rtllib_rx_stats stats = {
2353 .signal = 0,
2354 .noise = -98,
2355 .rate = 0,
2356 .freq = RTLLIB_24GHZ_BAND,
2357 };
2358 unsigned int count = priv->rxringcount;
2359
2360 stats.nic_type = NIC_8192E;
2361
2362 while (count--) {
2363 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
2364 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
2365
2366 if (pdesc->OWN) {
2367 return;
2368 } else {
2369 struct sk_buff *new_skb;
2370
2371 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2372 pdesc, skb))
2373 goto done;
2374 new_skb = dev_alloc_skb(priv->rxbuffersize);
2375 /* if allocation of new skb failed - drop current packet
2376 * and reuse skb */
2377 if (unlikely(!new_skb))
2378 goto done;
2379
2380 pci_unmap_single(priv->pdev,
2381 *((dma_addr_t *)skb->cb),
2382 priv->rxbuffersize,
2383 PCI_DMA_FROMDEVICE);
2384
2385 skb_put(skb, pdesc->Length);
2386 skb_reserve(skb, stats.RxDrvInfoSize +
2387 stats.RxBufShift);
2388 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2389 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2390 if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
2391 !is_multicast_ether_addr(rtllib_hdr->addr1)) {
2392 /* unicast packet */
2393 unicast_packet = true;
2394 }
2395 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2396 type = WLAN_FC_GET_TYPE(fc);
2397 if (type == RTLLIB_FTYPE_MGMT)
2398 bLedBlinking = false;
2399
2400 if (bLedBlinking)
2401 if (priv->rtllib->LedControlHandler)
2402 priv->rtllib->LedControlHandler(dev,
2403 LED_CTL_RX);
2404
2405 if (stats.bCRC) {
2406 if (type != RTLLIB_FTYPE_MGMT)
2407 priv->stats.rxdatacrcerr ++;
2408 else
2409 priv->stats.rxmgmtcrcerr ++;
2410 }
2411
2412 skb_len = skb->len;
2413
2414 if (!rtllib_rx(priv->rtllib, skb, &stats)){
2415 dev_kfree_skb_any(skb);
2416 } else {
2417 priv->stats.rxok++;
2418 if (unicast_packet)
2419 priv->stats.rxbytesunicast += skb_len;
2420 }
2421
2422 skb = new_skb;
2423 skb->dev = dev;
2424
2425 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] = skb;
2426 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
2427
2428 }
2429 done:
2430 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2431 pdesc->OWN = 1;
2432 pdesc->Length = priv->rxbuffersize;
2433 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2434 pdesc->EOR = 1;
2435 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) % priv->rxringcount;
2436 }
2437
2438 }
2439
2440 void rtl8192_rx_cmd(struct net_device *dev)
2441 {
2442 }
2443
2444
2445 void rtl8192_tx_resume(struct net_device *dev)
2446 {
2447 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2448 struct rtllib_device *ieee = priv->rtllib;
2449 struct sk_buff *skb;
2450 int queue_index;
2451
2452 for (queue_index = BK_QUEUE; queue_index < MAX_QUEUE_SIZE;queue_index++) {
2453 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
2454 (priv->rtllib->check_nic_enough_desc(dev,queue_index) > 0)) {
2455 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2456 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
2457 }
2458 }
2459 }
2460
2461 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2462 {
2463 rtl8192_tx_resume(priv->rtllib->dev);
2464 }
2465
2466 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2467 {
2468 rtl8192_rx_normal(priv->rtllib->dev);
2469
2470 if (MAX_RX_QUEUE > 1)
2471 rtl8192_rx_cmd(priv->rtllib->dev);
2472
2473 write_nic_dword(priv->rtllib->dev, INTA_MASK,read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2474 }
2475
2476 /****************************************************************************
2477 ---------------------------- NIC START/CLOSE STUFF---------------------------
2478 *****************************************************************************/
2479 void rtl8192_cancel_deferred_work(struct r8192_priv * priv)
2480 {
2481 cancel_delayed_work(&priv->watch_dog_wq);
2482 cancel_delayed_work(&priv->update_beacon_wq);
2483 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2484 cancel_work_sync(&priv->reset_wq);
2485 cancel_work_sync(&priv->qos_activate);
2486 }
2487
2488 int _rtl8192_up(struct net_device *dev,bool is_silent_reset)
2489 {
2490 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2491 return -1;
2492 return 0;
2493 }
2494
2495
2496 int rtl8192_open(struct net_device *dev)
2497 {
2498 struct r8192_priv *priv = rtllib_priv(dev);
2499 int ret;
2500
2501 down(&priv->wx_sem);
2502 ret = rtl8192_up(dev);
2503 up(&priv->wx_sem);
2504 return ret;
2505
2506 }
2507
2508
2509 int rtl8192_up(struct net_device *dev)
2510 {
2511 struct r8192_priv *priv = rtllib_priv(dev);
2512
2513 if (priv->up == 1) return -1;
2514 return _rtl8192_up(dev,false);
2515 }
2516
2517
2518 int rtl8192_close(struct net_device *dev)
2519 {
2520 struct r8192_priv *priv = rtllib_priv(dev);
2521 int ret;
2522
2523 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2524 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)){
2525 rtllib_stop_scan(priv->rtllib);
2526 }
2527
2528 down(&priv->wx_sem);
2529
2530 ret = rtl8192_down(dev,true);
2531
2532 up(&priv->wx_sem);
2533
2534 return ret;
2535
2536 }
2537
2538 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2539 {
2540 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2541 return -1;
2542
2543 return 0;
2544 }
2545
2546 void rtl8192_commit(struct net_device *dev)
2547 {
2548 struct r8192_priv *priv = rtllib_priv(dev);
2549
2550 if (priv->up == 0) return ;
2551 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2552 rtl8192_irq_disable(dev);
2553 priv->ops->stop_adapter(dev, true);
2554 _rtl8192_up(dev,false);
2555 }
2556
2557 void rtl8192_restart(void *data)
2558 {
2559 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, reset_wq);
2560 struct net_device *dev = priv->rtllib->dev;
2561
2562 down(&priv->wx_sem);
2563
2564 rtl8192_commit(dev);
2565
2566 up(&priv->wx_sem);
2567 }
2568
2569 static void r8192_set_multicast(struct net_device *dev)
2570 {
2571 struct r8192_priv *priv = rtllib_priv(dev);
2572 short promisc;
2573
2574
2575
2576 promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2577
2578 if (promisc != priv->promisc) {
2579 ;
2580 }
2581
2582 priv->promisc = promisc;
2583
2584 }
2585
2586
2587 int r8192_set_mac_adr(struct net_device *dev, void *mac)
2588 {
2589 struct r8192_priv *priv = rtllib_priv(dev);
2590 struct sockaddr *addr = mac;
2591
2592 down(&priv->wx_sem);
2593
2594 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2595
2596 schedule_work(&priv->reset_wq);
2597 up(&priv->wx_sem);
2598
2599 return 0;
2600 }
2601
2602 /* based on ipw2200 driver */
2603 int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2604 {
2605 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2606 struct iwreq *wrq = (struct iwreq *)rq;
2607 int ret=-1;
2608 struct rtllib_device *ieee = priv->rtllib;
2609 u32 key[4];
2610 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
2611 u8 zero_addr[6] = {0};
2612 struct iw_point *p = &wrq->u.data;
2613
2614 down(&priv->wx_sem);
2615
2616 switch (cmd) {
2617 case RTL_IOCTL_WPA_SUPPLICANT:
2618 {
2619 struct ieee_param *ipw = NULL;
2620 if (p->length < sizeof(struct ieee_param) || !p->pointer){
2621 ret = -EINVAL;
2622 goto out;
2623 }
2624
2625 ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
2626 if (ipw == NULL){
2627 ret = -ENOMEM;
2628 goto out;
2629 }
2630 if (copy_from_user(ipw, p->pointer, p->length)) {
2631 kfree(ipw);
2632 ret = -EFAULT;
2633 goto out;
2634 }
2635
2636 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
2637 {
2638 if (ipw->u.crypt.set_tx)
2639 {
2640 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2641 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2642 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2643 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2644 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
2645 {
2646 if (ipw->u.crypt.key_len == 13)
2647 ieee->pairwise_key_type = KEY_TYPE_WEP104;
2648 else if (ipw->u.crypt.key_len == 5)
2649 ieee->pairwise_key_type = KEY_TYPE_WEP40;
2650 }
2651 else
2652 ieee->pairwise_key_type = KEY_TYPE_NA;
2653
2654 if (ieee->pairwise_key_type)
2655 {
2656 if (memcmp(ieee->ap_mac_addr, zero_addr, 6) == 0)
2657 ieee->iw_mode = IW_MODE_ADHOC;
2658
2659 memcpy((u8*)key, ipw->u.crypt.key, 16);
2660 EnableHWSecurityConfig8192(dev);
2661 set_swcam(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
2662 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
2663 if (ieee->iw_mode == IW_MODE_ADHOC){
2664 set_swcam(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
2665 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
2666 }
2667 }
2668 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
2669 write_nic_byte(dev, 0x173, 1);
2670 }
2671
2672 }
2673 else
2674 {
2675 memcpy((u8*)key, ipw->u.crypt.key, 16);
2676 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2677 ieee->group_key_type= KEY_TYPE_CCMP;
2678 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2679 ieee->group_key_type = KEY_TYPE_TKIP;
2680 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
2681 {
2682 if (ipw->u.crypt.key_len == 13)
2683 ieee->group_key_type = KEY_TYPE_WEP104;
2684 else if (ipw->u.crypt.key_len == 5)
2685 ieee->group_key_type = KEY_TYPE_WEP40;
2686 }
2687 else
2688 ieee->group_key_type = KEY_TYPE_NA;
2689
2690 if (ieee->group_key_type)
2691 {
2692 set_swcam( dev,
2693 ipw->u.crypt.idx,
2694 ipw->u.crypt.idx,
2695 ieee->group_key_type,
2696 broadcast_addr,
2697 0,
2698 key,
2699 0);
2700 setKey( dev,
2701 ipw->u.crypt.idx,
2702 ipw->u.crypt.idx,
2703 ieee->group_key_type,
2704 broadcast_addr,
2705 0,
2706 key);
2707 }
2708 }
2709 }
2710
2711 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data, 0);
2712 kfree(ipw);
2713 break;
2714 }
2715 default:
2716 ret = -EOPNOTSUPP;
2717 break;
2718 }
2719
2720 out:
2721 up(&priv->wx_sem);
2722
2723 return ret;
2724 }
2725
2726 void FairBeacon(struct net_device *dev)
2727 {
2728 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2729 struct rtllib_network *net = &priv->rtllib->current_network;
2730 static u8 i=100;
2731 static u8 forceturn =0;
2732 u16 beaconint = net->beacon_interval;
2733
2734 if (priv->rtllib->iw_mode != IW_MODE_ADHOC)
2735 return;
2736
2737 if (priv->bIbssCoordinator){
2738 i--;
2739
2740 if (forceturn ==2){
2741 forceturn =0;
2742 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2743 i=100;
2744 }
2745
2746 if (i<=94){
2747 beaconint=beaconint+2;
2748 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2749 forceturn =1;
2750 }
2751 } else {
2752 i++;
2753
2754 if (forceturn ==1){
2755 forceturn =0;
2756 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2757 i=100;
2758 }
2759
2760 if (i>=106){
2761 beaconint=beaconint-2;
2762 priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
2763 forceturn =2;
2764 }
2765 }
2766 }
2767
2768
2769 irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2770 {
2771 struct net_device *dev = (struct net_device *) netdev;
2772 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2773 unsigned long flags;
2774 u32 inta;
2775 u32 intb;
2776 intb = 0;
2777
2778 if (priv->irq_enabled == 0){
2779 goto done;
2780 }
2781
2782 spin_lock_irqsave(&priv->irq_th_lock,flags);
2783
2784 priv->ops->interrupt_recognized(dev, &inta, &intb);
2785 priv->stats.shints++;
2786
2787 if (!inta) {
2788 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2789 goto done;
2790 }
2791
2792 if (inta == 0xffff) {
2793 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2794 goto done;
2795 }
2796
2797 priv->stats.ints++;
2798
2799 if (!netif_running(dev)) {
2800 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2801 goto done;
2802 }
2803
2804 if (inta & IMR_TBDOK){
2805 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2806 priv->stats.txbeaconokint++;
2807 }
2808
2809 if (inta & IMR_TBDER){
2810 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2811 priv->stats.txbeaconerr++;
2812 }
2813
2814 if (inta & IMR_BDOK) {
2815 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2816 }
2817
2818 if (inta & IMR_MGNTDOK ) {
2819 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2820 priv->stats.txmanageokint++;
2821 rtl8192_tx_isr(dev,MGNT_QUEUE);
2822 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2823 if (priv->rtllib->ack_tx_to_ieee){
2824 if (rtl8192_is_tx_queue_empty(dev)){
2825 priv->rtllib->ack_tx_to_ieee = 0;
2826 rtllib_ps_tx_ack(priv->rtllib, 1);
2827 }
2828 }
2829 spin_lock_irqsave(&priv->irq_th_lock,flags);
2830 }
2831
2832 if (inta & IMR_COMDOK) {
2833 priv->stats.txcmdpktokint++;
2834 rtl8192_tx_isr(dev,TXCMD_QUEUE);
2835 }
2836
2837 if (inta & IMR_HIGHDOK) {
2838 rtl8192_tx_isr(dev,HIGH_QUEUE);
2839 }
2840
2841 if (inta & IMR_ROK)
2842 {
2843 priv->stats.rxint++;
2844 priv->InterruptLog.nIMR_ROK++;
2845 tasklet_schedule(&priv->irq_rx_tasklet);
2846 }
2847
2848 if (inta & IMR_BcnInt) {
2849 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2850 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2851 }
2852
2853 if (inta & IMR_RDU) {
2854 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2855 priv->stats.rxrdu++;
2856 write_nic_dword(dev,INTA_MASK,read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2857 tasklet_schedule(&priv->irq_rx_tasklet);
2858 }
2859
2860 if (inta & IMR_RXFOVW) {
2861 RT_TRACE(COMP_INTR, "rx overflow !\n");
2862 priv->stats.rxoverflow++;
2863 tasklet_schedule(&priv->irq_rx_tasklet);
2864 }
2865
2866 if (inta & IMR_TXFOVW) priv->stats.txoverflow++;
2867
2868 if (inta & IMR_BKDOK) {
2869 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2870 priv->stats.txbkokint++;
2871 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2872 rtl8192_tx_isr(dev,BK_QUEUE);
2873 }
2874
2875 if (inta & IMR_BEDOK) {
2876 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2877 priv->stats.txbeokint++;
2878 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2879 rtl8192_tx_isr(dev,BE_QUEUE);
2880 }
2881
2882 if (inta & IMR_VIDOK) {
2883 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2884 priv->stats.txviokint++;
2885 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2886 rtl8192_tx_isr(dev,VI_QUEUE);
2887 }
2888
2889 if (inta & IMR_VODOK) {
2890 priv->stats.txvookint++;
2891 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2892 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2893 rtl8192_tx_isr(dev,VO_QUEUE);
2894 }
2895
2896 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
2897
2898 done:
2899
2900 return IRQ_HANDLED;
2901 }
2902
2903
2904
2905 /****************************************************************************
2906 ---------------------------- PCI_STUFF---------------------------
2907 *****************************************************************************/
2908 #ifdef HAVE_NET_DEVICE_OPS
2909 static const struct net_device_ops rtl8192_netdev_ops = {
2910 .ndo_open = rtl8192_open,
2911 .ndo_stop = rtl8192_close,
2912 .ndo_tx_timeout = rtl8192_tx_timeout,
2913 .ndo_do_ioctl = rtl8192_ioctl,
2914 .ndo_set_multicast_list = r8192_set_multicast,
2915 .ndo_set_mac_address = r8192_set_mac_adr,
2916 .ndo_validate_addr = eth_validate_addr,
2917 .ndo_change_mtu = eth_change_mtu,
2918 .ndo_start_xmit = rtllib_xmit,
2919 };
2920 #endif
2921
2922 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
2923 const struct pci_device_id *id)
2924 {
2925 unsigned long ioaddr = 0;
2926 struct net_device *dev = NULL;
2927 struct r8192_priv *priv= NULL;
2928 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2929 unsigned long pmem_start, pmem_len, pmem_flags;
2930 int err = 0;
2931 bool bdma64 = false;
2932 u8 revision_id;
2933
2934 RT_TRACE(COMP_INIT,"Configuring chip resources");
2935
2936 if ( pci_enable_device (pdev) ){
2937 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
2938 return -EIO;
2939 }
2940
2941 pci_set_master(pdev);
2942
2943 {
2944 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2945 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2946 printk( "Unable to obtain 32bit DMA for consistent allocations\n");
2947 pci_disable_device(pdev);
2948 return -ENOMEM;
2949 }
2950 }
2951 }
2952 dev = alloc_rtllib(sizeof(struct r8192_priv));
2953 if (!dev)
2954 return -ENOMEM;
2955
2956 if (bdma64){
2957 dev->features |= NETIF_F_HIGHDMA;
2958 }
2959
2960 pci_set_drvdata(pdev, dev);
2961 SET_NETDEV_DEV(dev, &pdev->dev);
2962 priv = rtllib_priv(dev);
2963 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2964 priv->pdev=pdev;
2965 priv->rtllib->pdev=pdev;
2966 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304))
2967 priv->rtllib->bSupportRemoteWakeUp = 1;
2968 else
2969 priv->rtllib->bSupportRemoteWakeUp = 0;
2970
2971 pmem_start = pci_resource_start(pdev, 1);
2972 pmem_len = pci_resource_len(pdev, 1);
2973 pmem_flags = pci_resource_flags (pdev, 1);
2974
2975 if (!(pmem_flags & IORESOURCE_MEM)) {
2976 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
2977 goto fail;
2978 }
2979
2980 printk("Memory mapped space start: 0x%08lx \n", pmem_start);
2981 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2982 RT_TRACE(COMP_ERR,"request_mem_region failed!");
2983 goto fail;
2984 }
2985
2986
2987 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
2988 if ( ioaddr == (unsigned long)NULL ){
2989 RT_TRACE(COMP_ERR,"ioremap failed!");
2990 goto fail1;
2991 }
2992
2993 dev->mem_start = ioaddr;
2994 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2995
2996 pci_read_config_byte(pdev, 0x08, &revision_id);
2997 /* If the revisionid is 0x10, the device uses rtl8192se. */
2998 if (pdev->device == 0x8192 && revision_id == 0x10)
2999 goto fail1;
3000
3001 priv->ops = ops;
3002
3003 if (rtl8192_pci_findadapter(pdev, dev) == false)
3004 goto fail1;
3005
3006 dev->irq = pdev->irq;
3007 priv->irq = 0;
3008
3009 #ifdef HAVE_NET_DEVICE_OPS
3010 dev->netdev_ops = &rtl8192_netdev_ops;
3011 #else
3012 dev->open = rtl8192_open;
3013 dev->stop = rtl8192_close;
3014 dev->tx_timeout = rtl8192_tx_timeout;
3015 dev->do_ioctl = rtl8192_ioctl;
3016 dev->set_multicast_list = r8192_set_multicast;
3017 dev->set_mac_address = r8192_set_mac_adr;
3018 dev->hard_start_xmit = rtllib_xmit;
3019 #endif
3020
3021 dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
3022 dev->ethtool_ops = &rtl819x_ethtool_ops;
3023
3024 dev->type = ARPHRD_ETHER;
3025 dev->watchdog_timeo = HZ*3;
3026
3027 if (dev_alloc_name(dev, ifname) < 0){
3028 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
3029 dev_alloc_name(dev, ifname);
3030 }
3031
3032 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
3033 if (rtl8192_init(dev)!=0){
3034 RT_TRACE(COMP_ERR, "Initialization failed");
3035 goto fail1;
3036 }
3037
3038 netif_carrier_off(dev);
3039 netif_stop_queue(dev);
3040
3041 register_netdev(dev);
3042 RT_TRACE(COMP_INIT, "dev name: %s\n",dev->name);
3043 err = rtl_debug_module_init(priv, dev->name);
3044 if (err) {
3045 RT_TRACE(COMP_DBG, "failed to create debugfs files. Ignoring error: %d\n", err);
3046 }
3047 rtl8192_proc_init_one(dev);
3048
3049 if (priv->polling_timer_on == 0){
3050 check_rfctrl_gpio_timer((unsigned long)dev);
3051 }
3052
3053 RT_TRACE(COMP_INIT, "Driver probe completed\n");
3054 return 0;
3055
3056 fail1:
3057 if ( dev->mem_start != (unsigned long)NULL ){
3058 iounmap( (void *)dev->mem_start );
3059 release_mem_region( pci_resource_start(pdev, 1),
3060 pci_resource_len(pdev, 1) );
3061 }
3062
3063 fail:
3064 if (dev){
3065
3066 if (priv->irq) {
3067 free_irq(dev->irq, dev);
3068 dev->irq=0;
3069 }
3070 free_rtllib(dev);
3071 }
3072
3073 pci_disable_device(pdev);
3074
3075 DMESG("wlan driver load failed\n");
3076 pci_set_drvdata(pdev, NULL);
3077 return -ENODEV;
3078
3079 }
3080
3081 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
3082 {
3083 struct net_device *dev = pci_get_drvdata(pdev);
3084 struct r8192_priv *priv ;
3085 if (dev){
3086 unregister_netdev(dev);
3087
3088 priv = rtllib_priv(dev);
3089
3090 del_timer_sync(&priv->gpio_polling_timer);
3091 cancel_delayed_work(&priv->gpio_change_rf_wq);
3092 priv->polling_timer_on = 0;
3093 rtl_debug_module_remove(priv);
3094 rtl8192_proc_remove_one(dev);
3095 rtl8192_down(dev,true);
3096 deinit_hal_dm(dev);
3097 if (priv->pFirmware) {
3098 vfree(priv->pFirmware);
3099 priv->pFirmware = NULL;
3100 }
3101 destroy_workqueue(priv->priv_wq);
3102 {
3103 u32 i;
3104 rtl8192_free_rx_ring(dev);
3105 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
3106 rtl8192_free_tx_ring(dev, i);
3107 }
3108 }
3109
3110 if (priv->irq){
3111
3112 printk("Freeing irq %d\n",dev->irq);
3113 free_irq(dev->irq, dev);
3114 priv->irq=0;
3115
3116 }
3117 free_rtllib(dev);
3118
3119 if (priv->scan_cmd)
3120 kfree(priv->scan_cmd);
3121
3122 if (dev->mem_start != 0) {
3123 iounmap((void *)dev->mem_start);
3124 release_mem_region(pci_resource_start(pdev, 1),
3125 pci_resource_len(pdev, 1));
3126 }
3127 } else{
3128 priv=rtllib_priv(dev);
3129 }
3130
3131 pci_disable_device(pdev);
3132 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3133 }
3134
3135 bool NicIFEnableNIC(struct net_device* dev)
3136 {
3137 bool init_status = true;
3138 struct r8192_priv * priv = rtllib_priv(dev);
3139 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
3140
3141 if (IS_NIC_DOWN(priv)){
3142 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__func__);
3143 priv->bdisable_nic = false;
3144 return RT_STATUS_FAILURE;
3145 }
3146
3147 RT_TRACE(COMP_PS, "===========>%s()\n",__func__);
3148 priv->bfirst_init = true;
3149 init_status = priv->ops->initialize_adapter(dev);
3150 if (init_status != true) {
3151 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
3152 priv->bdisable_nic = false;
3153 return -1;
3154 }
3155 RT_TRACE(COMP_INIT, "start adapter finished\n");
3156 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3157 priv->bfirst_init = false;
3158
3159 rtl8192_irq_enable(dev);
3160 priv->bdisable_nic = false;
3161 RT_TRACE(COMP_PS,"<===========%s()\n",__func__);
3162 return init_status;
3163 }
3164 bool NicIFDisableNIC(struct net_device* dev)
3165 {
3166 bool status = true;
3167 struct r8192_priv * priv = rtllib_priv(dev);
3168 u8 tmp_state = 0;
3169 RT_TRACE(COMP_PS, "=========>%s()\n",__func__);
3170 priv->bdisable_nic = true;
3171 tmp_state = priv->rtllib->state;
3172 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3173 priv->rtllib->state = tmp_state;
3174 rtl8192_cancel_deferred_work(priv);
3175 rtl8192_irq_disable(dev);
3176
3177 priv->ops->stop_adapter(dev, false);
3178 RT_TRACE(COMP_PS, "<=========%s()\n",__func__);
3179
3180 return status;
3181 }
3182
3183 static int __init rtl8192_pci_module_init(void)
3184 {
3185 int ret;
3186 int error;
3187
3188 ret = rtllib_init();
3189 if (ret) {
3190 printk(KERN_ERR "rtllib_init() failed %d\n", ret);
3191 return ret;
3192 }
3193 ret = rtllib_crypto_init();
3194 if (ret) {
3195 printk(KERN_ERR "rtllib_crypto_init() failed %d\n", ret);
3196 return ret;
3197 }
3198 ret = rtllib_crypto_tkip_init();
3199 if (ret) {
3200 printk(KERN_ERR "rtllib_crypto_tkip_init() failed %d\n", ret);
3201 return ret;
3202 }
3203 ret = rtllib_crypto_ccmp_init();
3204 if (ret) {
3205 printk(KERN_ERR "rtllib_crypto_ccmp_init() failed %d\n", ret);
3206 return ret;
3207 }
3208 ret = rtllib_crypto_wep_init();
3209 if (ret) {
3210 printk(KERN_ERR "rtllib_crypto_wep_init() failed %d\n", ret);
3211 return ret;
3212 }
3213 printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3214 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3215
3216 error = rtl_create_debugfs_root();
3217 if (error) {
3218 RT_TRACE(COMP_DBG, "Create debugfs root fail: %d\n", error);
3219 goto err_out;
3220 }
3221
3222 rtl8192_proc_module_init();
3223 if (0!=pci_register_driver(&rtl8192_pci_driver)) {
3224 DMESG("No device found");
3225 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3226 return -ENODEV;
3227 }
3228 return 0;
3229 err_out:
3230 return error;
3231
3232 }
3233
3234 static void __exit rtl8192_pci_module_exit(void)
3235 {
3236 pci_unregister_driver(&rtl8192_pci_driver);
3237
3238 RT_TRACE(COMP_DOWN, "Exiting");
3239 rtl8192_proc_module_remove();
3240 rtl_remove_debugfs_root();
3241 rtllib_crypto_tkip_exit();
3242 rtllib_crypto_ccmp_exit();
3243 rtllib_crypto_wep_exit();
3244 rtllib_crypto_deinit();
3245 rtllib_exit();
3246 }
3247
3248 void check_rfctrl_gpio_timer(unsigned long data)
3249 {
3250 struct r8192_priv * priv = rtllib_priv((struct net_device *)data);
3251
3252 priv->polling_timer_on = 1;
3253
3254 queue_delayed_work_rsl(priv->priv_wq,&priv->gpio_change_rf_wq,0);
3255
3256 mod_timer(&priv->gpio_polling_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
3257 }
3258
3259 /***************************************************************************
3260 ------------------- module init / exit stubs ----------------
3261 ****************************************************************************/
3262 module_init(rtl8192_pci_module_init);
3263 module_exit(rtl8192_pci_module_exit);
3264
3265 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3266 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3267 MODULE_VERSION(DRV_VERSION);
3268 MODULE_LICENSE("GPL");
3269
3270 module_param(ifname, charp, S_IRUGO|S_IWUSR );
3271 module_param(hwwep,int, S_IRUGO|S_IWUSR);
3272 module_param(channels,int, S_IRUGO|S_IWUSR);
3273
3274 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
3275 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support(default use hw. set 0 to use software security)");
3276 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree