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 <linux/uaccess.h>
45 #include <linux/pci.h>
46 #include <linux/vmalloc.h>
47 #include "rtl_core.h"
48 #include "r8192E_phy.h"
49 #include "r8192E_phyreg.h"
50 #include "r8190P_rtl8256.h"
51 #include "r8192E_cmdpkt.h"
52
53 #include "rtl_wx.h"
54 #include "rtl_dm.h"
55
56 #include "rtl_pm.h"
57
58 int hwwep = 1;
59 static int channels = 0x3fff;
60 static char *ifname = "wlan%d";
61
62
63 static struct rtl819x_ops rtl819xp_ops = {
64 .nic_type = NIC_8192E,
65 .get_eeprom_size = rtl8192_get_eeprom_size,
66 .init_adapter_variable = rtl8192_InitializeVariables,
67 .initialize_adapter = rtl8192_adapter_start,
68 .link_change = rtl8192_link_change,
69 .tx_fill_descriptor = rtl8192_tx_fill_desc,
70 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
71 .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
72 .rx_command_packet_handler = NULL,
73 .stop_adapter = rtl8192_halt_adapter,
74 .update_ratr_table = rtl8192_update_ratr_table,
75 .irq_enable = rtl8192_EnableInterrupt,
76 .irq_disable = rtl8192_DisableInterrupt,
77 .irq_clear = rtl8192_ClearInterrupt,
78 .rx_enable = rtl8192_enable_rx,
79 .tx_enable = rtl8192_enable_tx,
80 .interrupt_recognized = rtl8192_interrupt_recognized,
81 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
82 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
83 };
84
85 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
86 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
87 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
88 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
89 {}
90 };
91
92 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
93
94 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
95 const struct pci_device_id *id);
96 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
97
98 static struct pci_driver rtl8192_pci_driver = {
99 .name = DRV_NAME, /* Driver name */
100 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
101 .probe = rtl8192_pci_probe, /* probe fn */
102 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
103 .suspend = rtl8192E_suspend, /* PM suspend fn */
104 .resume = rtl8192E_resume, /* PM resume fn */
105 };
106
107 /****************************************************************************
108 -----------------------------IO STUFF-------------------------
109 *****************************************************************************/
PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage,u8 * pu1bPageMask)110 static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
111 {
112 bool bReturn = false;
113
114 *pu1bPageMask = 0xfe;
115
116 switch (u4bPage) {
117 case 1: case 2: case 3: case 4:
118 case 8: case 9: case 10: case 12: case 13:
119 bReturn = true;
120 *pu1bPageMask = 0xf0;
121 break;
122
123 default:
124 bReturn = false;
125 break;
126 }
127
128 return bReturn;
129 }
130
write_nic_io_byte(struct net_device * dev,int x,u8 y)131 void write_nic_io_byte(struct net_device *dev, int x, u8 y)
132 {
133 u32 u4bPage = (x >> 8);
134 u8 u1PageMask = 0;
135 bool bIsLegalPage = false;
136
137 if (u4bPage == 0) {
138 outb(y&0xff, dev->base_addr + x);
139
140 } else {
141 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
142 &u1PageMask);
143 if (bIsLegalPage) {
144 u8 u1bPsr = read_nic_io_byte(dev, PSR);
145
146 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
147 (u8)u4bPage));
148 write_nic_io_byte(dev, (x & 0xff), y);
149 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
150 }
151 }
152 }
153
write_nic_io_word(struct net_device * dev,int x,u16 y)154 void write_nic_io_word(struct net_device *dev, int x, u16 y)
155 {
156 u32 u4bPage = (x >> 8);
157 u8 u1PageMask = 0;
158 bool bIsLegalPage = false;
159
160 if (u4bPage == 0) {
161 outw(y, dev->base_addr + x);
162 } else {
163 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
164 &u1PageMask);
165 if (bIsLegalPage) {
166 u8 u1bPsr = read_nic_io_byte(dev, PSR);
167
168 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
169 (u8)u4bPage));
170 write_nic_io_word(dev, (x & 0xff), y);
171 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
172
173 }
174 }
175 }
176
write_nic_io_dword(struct net_device * dev,int x,u32 y)177 void write_nic_io_dword(struct net_device *dev, int x, u32 y)
178 {
179 u32 u4bPage = (x >> 8);
180 u8 u1PageMask = 0;
181 bool bIsLegalPage = false;
182
183 if (u4bPage == 0) {
184 outl(y, dev->base_addr + x);
185 } else {
186 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
187 &u1PageMask);
188 if (bIsLegalPage) {
189 u8 u1bPsr = read_nic_io_byte(dev, PSR);
190
191 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
192 (u8)u4bPage));
193 write_nic_io_dword(dev, (x & 0xff), y);
194 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
195 }
196 }
197 }
198
read_nic_io_byte(struct net_device * dev,int x)199 u8 read_nic_io_byte(struct net_device *dev, int x)
200 {
201 u32 u4bPage = (x >> 8);
202 u8 u1PageMask = 0;
203 bool bIsLegalPage = false;
204 u8 Data = 0;
205
206 if (u4bPage == 0) {
207 return 0xff&inb(dev->base_addr + x);
208 } else {
209 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
210 &u1PageMask);
211 if (bIsLegalPage) {
212 u8 u1bPsr = read_nic_io_byte(dev, PSR);
213
214 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
215 (u8)u4bPage));
216 Data = read_nic_io_byte(dev, (x & 0xff));
217 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
218 }
219 }
220
221 return Data;
222 }
223
read_nic_io_word(struct net_device * dev,int x)224 u16 read_nic_io_word(struct net_device *dev, int x)
225 {
226 u32 u4bPage = (x >> 8);
227 u8 u1PageMask = 0;
228 bool bIsLegalPage = false;
229 u16 Data = 0;
230
231 if (u4bPage == 0) {
232 return inw(dev->base_addr + x);
233 } else {
234 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
235 &u1PageMask);
236 if (bIsLegalPage) {
237 u8 u1bPsr = read_nic_io_byte(dev, PSR);
238
239 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
240 (u8)u4bPage));
241 Data = read_nic_io_word(dev, (x & 0xff));
242 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
243
244 }
245 }
246
247 return Data;
248 }
249
read_nic_io_dword(struct net_device * dev,int x)250 u32 read_nic_io_dword(struct net_device *dev, int x)
251 {
252 u32 u4bPage = (x >> 8);
253 u8 u1PageMask = 0;
254 bool bIsLegalPage = false;
255 u32 Data = 0;
256
257 if (u4bPage == 0) {
258 return inl(dev->base_addr + x);
259 } else {
260 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
261 &u1PageMask);
262 if (bIsLegalPage) {
263 u8 u1bPsr = read_nic_io_byte(dev, PSR);
264
265 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
266 (u8)u4bPage));
267 Data = read_nic_io_dword(dev, (x & 0xff));
268 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
269
270 }
271 }
272
273 return Data;
274 }
275
read_nic_byte(struct net_device * dev,int x)276 u8 read_nic_byte(struct net_device *dev, int x)
277 {
278 return 0xff & readb((u8 __iomem *)dev->mem_start + x);
279 }
280
read_nic_dword(struct net_device * dev,int x)281 u32 read_nic_dword(struct net_device *dev, int x)
282 {
283 return readl((u8 __iomem *)dev->mem_start + x);
284 }
285
read_nic_word(struct net_device * dev,int x)286 u16 read_nic_word(struct net_device *dev, int x)
287 {
288 return readw((u8 __iomem *)dev->mem_start + x);
289 }
290
write_nic_byte(struct net_device * dev,int x,u8 y)291 void write_nic_byte(struct net_device *dev, int x, u8 y)
292 {
293 writeb(y, (u8 __iomem *)dev->mem_start + x);
294
295 udelay(20);
296 }
297
write_nic_dword(struct net_device * dev,int x,u32 y)298 void write_nic_dword(struct net_device *dev, int x, u32 y)
299 {
300 writel(y, (u8 __iomem *)dev->mem_start + x);
301
302 udelay(20);
303 }
304
write_nic_word(struct net_device * dev,int x,u16 y)305 void write_nic_word(struct net_device *dev, int x, u16 y)
306 {
307 writew(y, (u8 __iomem *)dev->mem_start + x);
308
309 udelay(20);
310 }
311
312 /****************************************************************************
313 -----------------------------GENERAL FUNCTION-------------------------
314 *****************************************************************************/
MgntActSet_RF_State(struct net_device * dev,enum rt_rf_power_state StateToSet,RT_RF_CHANGE_SOURCE ChangeSource,bool ProtectOrNot)315 bool MgntActSet_RF_State(struct net_device *dev,
316 enum rt_rf_power_state StateToSet,
317 RT_RF_CHANGE_SOURCE ChangeSource,
318 bool ProtectOrNot)
319 {
320 struct r8192_priv *priv = rtllib_priv(dev);
321 struct rtllib_device *ieee = priv->rtllib;
322 bool bActionAllowed = false;
323 bool bConnectBySSID = false;
324 enum rt_rf_power_state rtState;
325 u16 RFWaitCounter = 0;
326 unsigned long flag;
327 RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
328 "StateToSet(%d)\n", StateToSet);
329
330 ProtectOrNot = false;
331
332
333 if (!ProtectOrNot) {
334 while (true) {
335 spin_lock_irqsave(&priv->rf_ps_lock, flag);
336 if (priv->RFChangeInProgress) {
337 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
338 RT_TRACE((COMP_PS | COMP_RF),
339 "MgntActSet_RF_State(): RF Change in "
340 "progress! Wait to set..StateToSet"
341 "(%d).\n", StateToSet);
342
343 while (priv->RFChangeInProgress) {
344 RFWaitCounter++;
345 RT_TRACE((COMP_PS | COMP_RF),
346 "MgntActSet_RF_State(): Wait 1"
347 " ms (%d times)...\n",
348 RFWaitCounter);
349 mdelay(1);
350
351 if (RFWaitCounter > 100) {
352 RT_TRACE(COMP_ERR, "MgntActSet_"
353 "RF_State(): Wait too "
354 "logn to set RF\n");
355 return false;
356 }
357 }
358 } else {
359 priv->RFChangeInProgress = true;
360 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
361 break;
362 }
363 }
364 }
365
366 rtState = priv->rtllib->eRFPowerState;
367
368 switch (StateToSet) {
369 case eRfOn:
370 priv->rtllib->RfOffReason &= (~ChangeSource);
371
372 if ((ChangeSource == RF_CHANGE_BY_HW) &&
373 (priv->bHwRadioOff == true))
374 priv->bHwRadioOff = false;
375
376 if (!priv->rtllib->RfOffReason) {
377 priv->rtllib->RfOffReason = 0;
378 bActionAllowed = true;
379
380
381 if (rtState == eRfOff &&
382 ChangeSource >= RF_CHANGE_BY_HW)
383 bConnectBySSID = true;
384 } else {
385 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
386 "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
387 " ChangeSource=0x%X\n",
388 priv->rtllib->RfOffReason, ChangeSource);
389 }
390
391 break;
392
393 case eRfOff:
394
395 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
396 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
397 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
398 (ChangeSource > RF_CHANGE_BY_IPS)) {
399 if (ieee->state == RTLLIB_LINKED)
400 priv->blinked_ingpio = true;
401 else
402 priv->blinked_ingpio = false;
403 rtllib_MgntDisconnect(priv->rtllib,
404 disas_lv_ss);
405 }
406 }
407 if ((ChangeSource == RF_CHANGE_BY_HW) &&
408 (priv->bHwRadioOff == false))
409 priv->bHwRadioOff = true;
410 priv->rtllib->RfOffReason |= ChangeSource;
411 bActionAllowed = true;
412 break;
413
414 case eRfSleep:
415 priv->rtllib->RfOffReason |= ChangeSource;
416 bActionAllowed = true;
417 break;
418
419 default:
420 break;
421 }
422
423 if (bActionAllowed) {
424 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
425 " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
426 StateToSet, priv->rtllib->RfOffReason);
427 PHY_SetRFPowerState(dev, StateToSet);
428 if (StateToSet == eRfOn) {
429
430 if (bConnectBySSID && (priv->blinked_ingpio == true)) {
431 queue_delayed_work_rsl(ieee->wq,
432 &ieee->associate_procedure_wq, 0);
433 priv->blinked_ingpio = false;
434 }
435 }
436 } else {
437 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
438 "Action is rejected.... StateToSet(%d), ChangeSource"
439 "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
440 priv->rtllib->RfOffReason);
441 }
442
443 if (!ProtectOrNot) {
444 spin_lock_irqsave(&priv->rf_ps_lock, flag);
445 priv->RFChangeInProgress = false;
446 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
447 }
448
449 RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
450 return bActionAllowed;
451 }
452
453
rtl8192_get_nic_desc_num(struct net_device * dev,int prio)454 static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
455 {
456 struct r8192_priv *priv = rtllib_priv(dev);
457 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
458
459 /* For now, we reserved two free descriptor as a safety boundary
460 * between the tail and the head
461 */
462 if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
463 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
464 "queue_len=%d---------\n", prio, ring->idx,
465 skb_queue_len(&ring->queue));
466 return skb_queue_len(&ring->queue);
467 }
468
rtl8192_check_nic_enough_desc(struct net_device * dev,int prio)469 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
470 {
471 struct r8192_priv *priv = rtllib_priv(dev);
472 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
473
474 if (ring->entries - skb_queue_len(&ring->queue) >= 2)
475 return 1;
476 return 0;
477 }
478
rtl8192_tx_timeout(struct net_device * dev)479 void rtl8192_tx_timeout(struct net_device *dev)
480 {
481 struct r8192_priv *priv = rtllib_priv(dev);
482
483 schedule_work(&priv->reset_wq);
484 printk(KERN_INFO "TXTIMEOUT");
485 }
486
rtl8192_irq_enable(struct net_device * dev)487 void rtl8192_irq_enable(struct net_device *dev)
488 {
489 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
490 priv->irq_enabled = 1;
491
492 priv->ops->irq_enable(dev);
493 }
494
rtl8192_irq_disable(struct net_device * dev)495 void rtl8192_irq_disable(struct net_device *dev)
496 {
497 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
498
499 priv->ops->irq_disable(dev);
500
501 priv->irq_enabled = 0;
502 }
503
rtl8192_set_chan(struct net_device * dev,short ch)504 void rtl8192_set_chan(struct net_device *dev, short ch)
505 {
506 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
507
508 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
509 if (priv->chan_forced)
510 return;
511
512 priv->chan = ch;
513
514 if (priv->rf_set_chan)
515 priv->rf_set_chan(dev, priv->chan);
516 }
517
rtl8192_update_cap(struct net_device * dev,u16 cap)518 void rtl8192_update_cap(struct net_device *dev, u16 cap)
519 {
520 struct r8192_priv *priv = rtllib_priv(dev);
521 struct rtllib_network *net = &priv->rtllib->current_network;
522 bool ShortPreamble;
523
524 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
525 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
526 ShortPreamble = true;
527 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
528 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
529 "PREAMBLE\n", __func__);
530 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
531 (unsigned char *)&ShortPreamble);
532 }
533 } else {
534 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
535 ShortPreamble = false;
536 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
537 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
538 "PREAMBLE\n", __func__);
539 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
540 (unsigned char *)&ShortPreamble);
541 }
542 }
543
544 if (net->mode & (IEEE_G|IEEE_N_24G)) {
545 u8 slot_time_val;
546 u8 CurSlotTime = priv->slot_time;
547
548 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
549 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
550 if (CurSlotTime != SHORT_SLOT_TIME) {
551 slot_time_val = SHORT_SLOT_TIME;
552 priv->rtllib->SetHwRegHandler(dev,
553 HW_VAR_SLOT_TIME, &slot_time_val);
554 }
555 } else {
556 if (CurSlotTime != NON_SHORT_SLOT_TIME) {
557 slot_time_val = NON_SHORT_SLOT_TIME;
558 priv->rtllib->SetHwRegHandler(dev,
559 HW_VAR_SLOT_TIME, &slot_time_val);
560 }
561 }
562 }
563 }
564
565 static struct rtllib_qos_parameters def_qos_parameters = {
566 {3, 3, 3, 3},
567 {7, 7, 7, 7},
568 {2, 2, 2, 2},
569 {0, 0, 0, 0},
570 {0, 0, 0, 0}
571 };
572
rtl8192_update_beacon(void * data)573 static void rtl8192_update_beacon(void *data)
574 {
575 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
576 update_beacon_wq.work);
577 struct net_device *dev = priv->rtllib->dev;
578 struct rtllib_device *ieee = priv->rtllib;
579 struct rtllib_network *net = &ieee->current_network;
580
581 if (ieee->pHTInfo->bCurrentHTSupport)
582 HT_update_self_and_peer_setting(ieee, net);
583 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
584 net->bssht.bdRT2RTLongSlotTime;
585 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
586 rtl8192_update_cap(dev, net->capability);
587 }
588
589 int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
590
rtl8192_qos_activate(void * data)591 static void rtl8192_qos_activate(void *data)
592 {
593 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
594 qos_activate);
595 struct net_device *dev = priv->rtllib->dev;
596 int i;
597
598 mutex_lock(&priv->mutex);
599 if (priv->rtllib->state != RTLLIB_LINKED)
600 goto success;
601 RT_TRACE(COMP_QOS, "qos active process with associate response "
602 "received\n");
603
604 for (i = 0; i < QOS_QUEUE_NUM; i++) {
605 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
606 }
607
608 success:
609 mutex_unlock(&priv->mutex);
610 }
611
rtl8192_qos_handle_probe_response(struct r8192_priv * priv,int active_network,struct rtllib_network * network)612 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
613 int active_network,
614 struct rtllib_network *network)
615 {
616 int ret = 0;
617 u32 size = sizeof(struct rtllib_qos_parameters);
618
619 if (priv->rtllib->state != RTLLIB_LINKED)
620 return ret;
621
622 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
623 return ret;
624
625 if (network->flags & NETWORK_HAS_QOS_MASK) {
626 if (active_network &&
627 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
628 network->qos_data.active = network->qos_data.supported;
629
630 if ((network->qos_data.active == 1) && (active_network == 1) &&
631 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
632 (network->qos_data.old_param_count !=
633 network->qos_data.param_count)) {
634 network->qos_data.old_param_count =
635 network->qos_data.param_count;
636 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
637 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
638 RT_TRACE(COMP_QOS, "QoS parameters change call "
639 "qos_activate\n");
640 }
641 } else {
642 memcpy(&priv->rtllib->current_network.qos_data.parameters,
643 &def_qos_parameters, size);
644
645 if ((network->qos_data.active == 1) && (active_network == 1)) {
646 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
647 RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
648 "activate\n");
649 }
650 network->qos_data.active = 0;
651 network->qos_data.supported = 0;
652 }
653
654 return 0;
655 }
656
rtl8192_handle_beacon(struct net_device * dev,struct rtllib_beacon * beacon,struct rtllib_network * network)657 static int rtl8192_handle_beacon(struct net_device *dev,
658 struct rtllib_beacon *beacon,
659 struct rtllib_network *network)
660 {
661 struct r8192_priv *priv = rtllib_priv(dev);
662
663 rtl8192_qos_handle_probe_response(priv, 1, network);
664
665 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
666 return 0;
667
668 }
669
rtl8192_qos_association_resp(struct r8192_priv * priv,struct rtllib_network * network)670 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
671 struct rtllib_network *network)
672 {
673 int ret = 0;
674 unsigned long flags;
675 u32 size = sizeof(struct rtllib_qos_parameters);
676 int set_qos_param = 0;
677
678 if ((priv == NULL) || (network == NULL))
679 return ret;
680
681 if (priv->rtllib->state != RTLLIB_LINKED)
682 return ret;
683
684 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
685 return ret;
686
687 spin_lock_irqsave(&priv->rtllib->lock, flags);
688 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
689 memcpy(&priv->rtllib->current_network.qos_data.parameters,
690 &network->qos_data.parameters,
691 sizeof(struct rtllib_qos_parameters));
692 priv->rtllib->current_network.qos_data.active = 1;
693 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
694 set_qos_param = 1;
695 priv->rtllib->current_network.qos_data.old_param_count =
696 priv->rtllib->current_network.qos_data.param_count;
697 priv->rtllib->current_network.qos_data.param_count =
698 network->qos_data.param_count;
699 } else {
700 memcpy(&priv->rtllib->current_network.qos_data.parameters,
701 &def_qos_parameters, size);
702 priv->rtllib->current_network.qos_data.active = 0;
703 priv->rtllib->current_network.qos_data.supported = 0;
704 set_qos_param = 1;
705 }
706
707 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
708
709 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
710 network->flags, priv->rtllib->current_network.qos_data.active);
711 if (set_qos_param == 1) {
712 dm_init_edca_turbo(priv->rtllib->dev);
713 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
714 }
715 return ret;
716 }
717
rtl8192_handle_assoc_response(struct net_device * dev,struct rtllib_assoc_response_frame * resp,struct rtllib_network * network)718 static int rtl8192_handle_assoc_response(struct net_device *dev,
719 struct rtllib_assoc_response_frame *resp,
720 struct rtllib_network *network)
721 {
722 struct r8192_priv *priv = rtllib_priv(dev);
723 rtl8192_qos_association_resp(priv, network);
724 return 0;
725 }
726
rtl8192_prepare_beacon(struct r8192_priv * priv)727 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
728 {
729 struct net_device *dev = priv->rtllib->dev;
730 struct sk_buff *pskb = NULL, *pnewskb = NULL;
731 struct cb_desc *tcb_desc = NULL;
732 struct rtl8192_tx_ring *ring = NULL;
733 struct tx_desc *pdesc = NULL;
734
735 ring = &priv->tx_ring[BEACON_QUEUE];
736 pskb = __skb_dequeue(&ring->queue);
737 if (pskb)
738 kfree_skb(pskb);
739
740 pnewskb = rtllib_get_beacon(priv->rtllib);
741 if (!pnewskb)
742 return;
743
744 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
745 tcb_desc->queue_index = BEACON_QUEUE;
746 tcb_desc->data_rate = 2;
747 tcb_desc->RATRIndex = 7;
748 tcb_desc->bTxDisableRateFallBack = 1;
749 tcb_desc->bTxUseDriverAssingedRate = 1;
750 skb_push(pnewskb, priv->rtllib->tx_headroom);
751
752 pdesc = &ring->desc[0];
753 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
754 __skb_queue_tail(&ring->queue, pnewskb);
755 pdesc->OWN = 1;
756
757 return;
758 }
759
rtl8192_stop_beacon(struct net_device * dev)760 static void rtl8192_stop_beacon(struct net_device *dev)
761 {
762 }
763
rtl8192_config_rate(struct net_device * dev,u16 * rate_config)764 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
765 {
766 struct r8192_priv *priv = rtllib_priv(dev);
767 struct rtllib_network *net;
768 u8 i = 0, basic_rate = 0;
769 net = &priv->rtllib->current_network;
770
771 for (i = 0; i < net->rates_len; i++) {
772 basic_rate = net->rates[i] & 0x7f;
773 switch (basic_rate) {
774 case MGN_1M:
775 *rate_config |= RRSR_1M;
776 break;
777 case MGN_2M:
778 *rate_config |= RRSR_2M;
779 break;
780 case MGN_5_5M:
781 *rate_config |= RRSR_5_5M;
782 break;
783 case MGN_11M:
784 *rate_config |= RRSR_11M;
785 break;
786 case MGN_6M:
787 *rate_config |= RRSR_6M;
788 break;
789 case MGN_9M:
790 *rate_config |= RRSR_9M;
791 break;
792 case MGN_12M:
793 *rate_config |= RRSR_12M;
794 break;
795 case MGN_18M:
796 *rate_config |= RRSR_18M;
797 break;
798 case MGN_24M:
799 *rate_config |= RRSR_24M;
800 break;
801 case MGN_36M:
802 *rate_config |= RRSR_36M;
803 break;
804 case MGN_48M:
805 *rate_config |= RRSR_48M;
806 break;
807 case MGN_54M:
808 *rate_config |= RRSR_54M;
809 break;
810 }
811 }
812
813 for (i = 0; i < net->rates_ex_len; i++) {
814 basic_rate = net->rates_ex[i] & 0x7f;
815 switch (basic_rate) {
816 case MGN_1M:
817 *rate_config |= RRSR_1M;
818 break;
819 case MGN_2M:
820 *rate_config |= RRSR_2M;
821 break;
822 case MGN_5_5M:
823 *rate_config |= RRSR_5_5M;
824 break;
825 case MGN_11M:
826 *rate_config |= RRSR_11M;
827 break;
828 case MGN_6M:
829 *rate_config |= RRSR_6M;
830 break;
831 case MGN_9M:
832 *rate_config |= RRSR_9M;
833 break;
834 case MGN_12M:
835 *rate_config |= RRSR_12M;
836 break;
837 case MGN_18M:
838 *rate_config |= RRSR_18M;
839 break;
840 case MGN_24M:
841 *rate_config |= RRSR_24M;
842 break;
843 case MGN_36M:
844 *rate_config |= RRSR_36M;
845 break;
846 case MGN_48M:
847 *rate_config |= RRSR_48M;
848 break;
849 case MGN_54M:
850 *rate_config |= RRSR_54M;
851 break;
852 }
853 }
854 }
855
rtl8192_refresh_supportrate(struct r8192_priv * priv)856 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
857 {
858 struct rtllib_device *ieee = priv->rtllib;
859 if (ieee->mode == WIRELESS_MODE_N_24G ||
860 ieee->mode == WIRELESS_MODE_N_5G) {
861 memcpy(ieee->Regdot11HTOperationalRateSet,
862 ieee->RegHTSuppRateSet, 16);
863 memcpy(ieee->Regdot11TxHTOperationalRateSet,
864 ieee->RegHTSuppRateSet, 16);
865
866 } else {
867 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
868 }
869 return;
870 }
871
rtl8192_getSupportedWireleeMode(struct net_device * dev)872 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
873 {
874 struct r8192_priv *priv = rtllib_priv(dev);
875 u8 ret = 0;
876
877 switch (priv->rf_chip) {
878 case RF_8225:
879 case RF_8256:
880 case RF_6052:
881 case RF_PSEUDO_11N:
882 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
883 break;
884 case RF_8258:
885 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
886 break;
887 default:
888 ret = WIRELESS_MODE_B;
889 break;
890 }
891 return ret;
892 }
893
rtl8192_SetWirelessMode(struct net_device * dev,u8 wireless_mode)894 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
895 {
896 struct r8192_priv *priv = rtllib_priv(dev);
897 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
898
899 if ((wireless_mode == WIRELESS_MODE_AUTO) ||
900 ((wireless_mode & bSupportMode) == 0)) {
901 if (bSupportMode & WIRELESS_MODE_N_24G) {
902 wireless_mode = WIRELESS_MODE_N_24G;
903 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
904 wireless_mode = WIRELESS_MODE_N_5G;
905 } else if ((bSupportMode & WIRELESS_MODE_A)) {
906 wireless_mode = WIRELESS_MODE_A;
907 } else if ((bSupportMode & WIRELESS_MODE_G)) {
908 wireless_mode = WIRELESS_MODE_G;
909 } else if ((bSupportMode & WIRELESS_MODE_B)) {
910 wireless_mode = WIRELESS_MODE_B;
911 } else {
912 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
913 "supported (%x)!!!\n", __func__, bSupportMode);
914 wireless_mode = WIRELESS_MODE_B;
915 }
916 }
917
918 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
919 (WIRELESS_MODE_G | WIRELESS_MODE_B))
920 wireless_mode = WIRELESS_MODE_G;
921
922 priv->rtllib->mode = wireless_mode;
923
924 ActUpdateChannelAccessSetting(dev, wireless_mode,
925 &priv->ChannelAccessSetting);
926
927 if ((wireless_mode == WIRELESS_MODE_N_24G) ||
928 (wireless_mode == WIRELESS_MODE_N_5G)) {
929 priv->rtllib->pHTInfo->bEnableHT = 1;
930 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
931 __func__, wireless_mode);
932 } else {
933 priv->rtllib->pHTInfo->bEnableHT = 0;
934 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
935 __func__, wireless_mode);
936 }
937
938 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
939 rtl8192_refresh_supportrate(priv);
940 }
941
_rtl8192_sta_up(struct net_device * dev,bool is_silent_reset)942 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
943 {
944 struct r8192_priv *priv = rtllib_priv(dev);
945 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
946 (&(priv->rtllib->PowerSaveControl));
947 bool init_status = true;
948 priv->bDriverIsGoingToUnload = false;
949 priv->bdisable_nic = false;
950
951 priv->up = 1;
952 priv->rtllib->ieee_up = 1;
953
954 priv->up_first_time = 0;
955 RT_TRACE(COMP_INIT, "Bringing up iface");
956 priv->bfirst_init = true;
957 init_status = priv->ops->initialize_adapter(dev);
958 if (init_status != true) {
959 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
960 __func__);
961 priv->bfirst_init = false;
962 return -1;
963 }
964
965 RT_TRACE(COMP_INIT, "start adapter finished\n");
966 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
967 priv->bfirst_init = false;
968
969 if (priv->polling_timer_on == 0)
970 check_rfctrl_gpio_timer((unsigned long)dev);
971
972 if (priv->rtllib->state != RTLLIB_LINKED)
973 rtllib_softmac_start_protocol(priv->rtllib, 0);
974 rtllib_reset_queue(priv->rtllib);
975 watch_dog_timer_callback((unsigned long) dev);
976
977 if (!netif_queue_stopped(dev))
978 netif_start_queue(dev);
979 else
980 netif_wake_queue(dev);
981
982 return 0;
983 }
984
rtl8192_sta_down(struct net_device * dev,bool shutdownrf)985 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
986 {
987 struct r8192_priv *priv = rtllib_priv(dev);
988 unsigned long flags = 0;
989 u8 RFInProgressTimeOut = 0;
990
991 if (priv->up == 0)
992 return -1;
993
994 if (priv->rtllib->rtllib_ips_leave != NULL)
995 priv->rtllib->rtllib_ips_leave(dev);
996
997 if (priv->rtllib->state == RTLLIB_LINKED)
998 LeisurePSLeave(dev);
999
1000 priv->bDriverIsGoingToUnload = true;
1001 priv->up = 0;
1002 priv->rtllib->ieee_up = 0;
1003 priv->bfirst_after_down = 1;
1004 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1005 if (!netif_queue_stopped(dev))
1006 netif_stop_queue(dev);
1007
1008 priv->rtllib->wpa_ie_len = 0;
1009 kfree(priv->rtllib->wpa_ie);
1010 priv->rtllib->wpa_ie = NULL;
1011 CamResetAllEntry(dev);
1012 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1013 rtl8192_irq_disable(dev);
1014
1015 del_timer_sync(&priv->watch_dog_timer);
1016 rtl8192_cancel_deferred_work(priv);
1017 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1018
1019 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1020 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1021 while (priv->RFChangeInProgress) {
1022 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1023 if (RFInProgressTimeOut > 100) {
1024 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1025 break;
1026 }
1027 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1028 "until rf chang is done.\n", __func__);
1029 mdelay(1);
1030 RFInProgressTimeOut++;
1031 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1032 }
1033 priv->RFChangeInProgress = true;
1034 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1035 priv->ops->stop_adapter(dev, false);
1036 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1037 priv->RFChangeInProgress = false;
1038 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1039 udelay(100);
1040 memset(&priv->rtllib->current_network, 0,
1041 offsetof(struct rtllib_network, list));
1042 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1043
1044 return 0;
1045 }
1046
rtl8192_init_priv_handler(struct net_device * dev)1047 static void rtl8192_init_priv_handler(struct net_device *dev)
1048 {
1049 struct r8192_priv *priv = rtllib_priv(dev);
1050
1051 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1052 priv->rtllib->set_chan = rtl8192_set_chan;
1053 priv->rtllib->link_change = priv->ops->link_change;
1054 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1055 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1056 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1057 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1058 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1059 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1060 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1061 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1062 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1063 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1064 priv->rf_set_chan = rtl8192_phy_SwChnl;
1065
1066 priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1067 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1068
1069 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1070 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1071 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1072
1073 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1074 priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1075 rtl8192_GetHalfNmodeSupportByAPs;
1076
1077 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1078 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1079 priv->rtllib->SetFwCmdHandler = NULL;
1080 priv->rtllib->InitialGainHandler = InitialGain819xPci;
1081 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1082 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1083
1084 priv->rtllib->LedControlHandler = NULL;
1085 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1086
1087 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1088
1089 priv->rtllib->rtllib_rfkill_poll = NULL;
1090 }
1091
rtl8192_init_priv_constant(struct net_device * dev)1092 static void rtl8192_init_priv_constant(struct net_device *dev)
1093 {
1094 struct r8192_priv *priv = rtllib_priv(dev);
1095 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1096 &(priv->rtllib->PowerSaveControl);
1097
1098 pPSC->RegMaxLPSAwakeIntvl = 5;
1099
1100 priv->RegPciASPM = 2;
1101
1102 priv->RegDevicePciASPMSetting = 0x03;
1103
1104 priv->RegHostPciASPMSetting = 0x02;
1105
1106 priv->RegHwSwRfOffD3 = 2;
1107
1108 priv->RegSupportPciASPM = 2;
1109 }
1110
1111
rtl8192_init_priv_variable(struct net_device * dev)1112 static void rtl8192_init_priv_variable(struct net_device *dev)
1113 {
1114 struct r8192_priv *priv = rtllib_priv(dev);
1115 u8 i;
1116
1117 priv->AcmMethod = eAcmWay2_SW;
1118 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1119 priv->rtllib->hwscan_sem_up = 1;
1120 priv->rtllib->status = 0;
1121 priv->H2CTxCmdSeq = 0;
1122 priv->bDisableFrameBursting = 0;
1123 priv->bDMInitialGainEnable = 1;
1124 priv->polling_timer_on = 0;
1125 priv->up_first_time = 1;
1126 priv->blinked_ingpio = false;
1127 priv->bDriverIsGoingToUnload = false;
1128 priv->being_init_adapter = false;
1129 priv->initialized_at_probe = false;
1130 priv->sw_radio_on = true;
1131 priv->bdisable_nic = false;
1132 priv->bfirst_init = false;
1133 priv->txringcount = 64;
1134 priv->rxbuffersize = 9100;
1135 priv->rxringcount = MAX_RX_COUNT;
1136 priv->irq_enabled = 0;
1137 priv->chan = 1;
1138 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1139 priv->RegChannelPlan = 0xf;
1140 priv->nrxAMPDU_size = 0;
1141 priv->nrxAMPDU_aggr_num = 0;
1142 priv->last_rxdesc_tsf_high = 0;
1143 priv->last_rxdesc_tsf_low = 0;
1144 priv->rtllib->mode = WIRELESS_MODE_AUTO;
1145 priv->rtllib->iw_mode = IW_MODE_INFRA;
1146 priv->rtllib->bNetPromiscuousMode = false;
1147 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1148 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1149 false;
1150 priv->rtllib->ieee_up = 0;
1151 priv->retry_rts = DEFAULT_RETRY_RTS;
1152 priv->retry_data = DEFAULT_RETRY_DATA;
1153 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1154 priv->rtllib->rate = 110;
1155 priv->rtllib->short_slot = 1;
1156 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1157 priv->bcck_in_ch14 = false;
1158 priv->bfsync_processing = false;
1159 priv->CCKPresentAttentuation = 0;
1160 priv->rfa_txpowertrackingindex = 0;
1161 priv->rfc_txpowertrackingindex = 0;
1162 priv->CckPwEnl = 6;
1163 priv->ScanDelay = 50;
1164 priv->ResetProgress = RESET_TYPE_NORESET;
1165 priv->bForcedSilentReset = 0;
1166 priv->bDisableNormalResetCheck = false;
1167 priv->force_reset = false;
1168 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1169
1170 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1171 priv->RxCounter = 0;
1172 priv->rtllib->wx_set_enc = 0;
1173 priv->bHwRadioOff = false;
1174 priv->RegRfOff = 0;
1175 priv->isRFOff = false;
1176 priv->bInPowerSaveMode = false;
1177 priv->rtllib->RfOffReason = 0;
1178 priv->RFChangeInProgress = false;
1179 priv->bHwRfOffAction = 0;
1180 priv->SetRFPowerStateInProgress = false;
1181 priv->rtllib->PowerSaveControl.bInactivePs = true;
1182 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1183 priv->rtllib->PowerSaveControl.bLeisurePs = true;
1184 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1185 priv->rtllib->LPSDelayCnt = 0;
1186 priv->rtllib->sta_sleep = LPS_IS_WAKE;
1187 priv->rtllib->eRFPowerState = eRfOn;
1188
1189 priv->txpower_checkcnt = 0;
1190 priv->thermal_readback_index = 0;
1191 priv->txpower_tracking_callback_cnt = 0;
1192 priv->ccktxpower_adjustcnt_ch14 = 0;
1193 priv->ccktxpower_adjustcnt_not_ch14 = 0;
1194
1195 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1196 priv->rtllib->iw_mode = IW_MODE_INFRA;
1197 priv->rtllib->active_scan = 1;
1198 priv->rtllib->be_scan_inprogress = false;
1199 priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1200 RTLLIB_OFDM_MODULATION;
1201 priv->rtllib->host_encrypt = 1;
1202 priv->rtllib->host_decrypt = 1;
1203
1204 priv->rtllib->dot11PowerSaveMode = eActive;
1205 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1206 priv->rtllib->MaxMssDensity = 0;
1207 priv->rtllib->MinSpaceCfg = 0;
1208
1209 priv->card_type = PCI;
1210
1211 priv->AcmControl = 0;
1212 priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1213 if (!priv->pFirmware)
1214 printk(KERN_ERR "rtl8193e: Unable to allocate space "
1215 "for firmware\n");
1216
1217 skb_queue_head_init(&priv->rx_queue);
1218 skb_queue_head_init(&priv->skb_queue);
1219
1220 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1221 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1222 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1223 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1224 }
1225
rtl8192_init_priv_lock(struct r8192_priv * priv)1226 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1227 {
1228 spin_lock_init(&priv->fw_scan_lock);
1229 spin_lock_init(&priv->tx_lock);
1230 spin_lock_init(&priv->irq_lock);
1231 spin_lock_init(&priv->irq_th_lock);
1232 spin_lock_init(&priv->rf_ps_lock);
1233 spin_lock_init(&priv->ps_lock);
1234 spin_lock_init(&priv->rf_lock);
1235 spin_lock_init(&priv->rt_h2c_lock);
1236 sema_init(&priv->wx_sem, 1);
1237 sema_init(&priv->rf_sem, 1);
1238 mutex_init(&priv->mutex);
1239 }
1240
rtl8192_init_priv_task(struct net_device * dev)1241 static void rtl8192_init_priv_task(struct net_device *dev)
1242 {
1243 struct r8192_priv *priv = rtllib_priv(dev);
1244
1245 priv->priv_wq = create_workqueue(DRV_NAME);
1246 INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1247 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1248 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1249 (void *)rtl819x_watchdog_wqcallback, dev);
1250 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1251 (void *)dm_txpower_trackingcallback, dev);
1252 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1253 (void *)dm_rf_pathcheck_workitemcallback, dev);
1254 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1255 (void *)rtl8192_update_beacon, dev);
1256 INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1257 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1258 (void *) rtl8192_hw_wakeup_wq, dev);
1259 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1260 (void *) rtl8192_hw_sleep_wq, dev);
1261 tasklet_init(&priv->irq_rx_tasklet,
1262 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1263 (unsigned long)priv);
1264 tasklet_init(&priv->irq_tx_tasklet,
1265 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1266 (unsigned long)priv);
1267 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1268 (void(*)(unsigned long))rtl8192_prepare_beacon,
1269 (unsigned long)priv);
1270 }
1271
rtl8192_get_channel_map(struct net_device * dev)1272 static short rtl8192_get_channel_map(struct net_device *dev)
1273 {
1274 int i;
1275
1276 struct r8192_priv *priv = rtllib_priv(dev);
1277 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1278 && (priv->rf_chip != RF_6052)) {
1279 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1280 "map\n", __func__);
1281 return -1;
1282 }
1283
1284 if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1285 printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1286 "default.\n");
1287 priv->ChannelPlan = COUNTRY_CODE_FCC;
1288 }
1289 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1290 dot11d_init(priv->rtllib);
1291 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1292 for (i = 1; i <= 11; i++)
1293 (priv->rtllib->active_channel_map)[i] = 1;
1294 (priv->rtllib->active_channel_map)[12] = 2;
1295 (priv->rtllib->active_channel_map)[13] = 2;
1296
1297 return 0;
1298 }
1299
rtl8192_init(struct net_device * dev)1300 static short rtl8192_init(struct net_device *dev)
1301 {
1302 struct r8192_priv *priv = rtllib_priv(dev);
1303
1304 memset(&(priv->stats), 0, sizeof(struct rt_stats));
1305
1306 rtl8192_init_priv_handler(dev);
1307 rtl8192_init_priv_constant(dev);
1308 rtl8192_init_priv_variable(dev);
1309 rtl8192_init_priv_lock(priv);
1310 rtl8192_init_priv_task(dev);
1311 priv->ops->get_eeprom_size(dev);
1312 priv->ops->init_adapter_variable(dev);
1313 rtl8192_get_channel_map(dev);
1314
1315 init_hal_dm(dev);
1316
1317 init_timer(&priv->watch_dog_timer);
1318 setup_timer(&priv->watch_dog_timer,
1319 watch_dog_timer_callback,
1320 (unsigned long) dev);
1321
1322 init_timer(&priv->gpio_polling_timer);
1323 setup_timer(&priv->gpio_polling_timer,
1324 check_rfctrl_gpio_timer,
1325 (unsigned long)dev);
1326
1327 rtl8192_irq_disable(dev);
1328 if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, IRQF_SHARED,
1329 dev->name, dev)) {
1330 printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1331 return -1;
1332 } else {
1333 priv->irq = dev->irq;
1334 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1335 }
1336
1337 if (rtl8192_pci_initdescring(dev) != 0) {
1338 printk(KERN_ERR "Endopoints initialization failed");
1339 free_irq(dev->irq, dev);
1340 return -1;
1341 }
1342
1343 return 0;
1344 }
1345
1346 /***************************************************************************
1347 -------------------------------WATCHDOG STUFF---------------------------
1348 ***************************************************************************/
rtl8192_is_tx_queue_empty(struct net_device * dev)1349 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1350 {
1351 int i = 0;
1352 struct r8192_priv *priv = rtllib_priv(dev);
1353 for (i = 0; i <= MGNT_QUEUE; i++) {
1354 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1355 continue;
1356 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1357 printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1358 i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1359 return 0;
1360 }
1361 }
1362 return 1;
1363 }
1364
rtl819x_TxCheckStuck(struct net_device * dev)1365 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1366 {
1367 struct r8192_priv *priv = rtllib_priv(dev);
1368 u8 QueueID;
1369 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1370 bool bCheckFwTxCnt = false;
1371 struct rtl8192_tx_ring *ring = NULL;
1372 struct sk_buff *skb = NULL;
1373 struct cb_desc *tcb_desc = NULL;
1374 unsigned long flags = 0;
1375
1376 switch (priv->rtllib->ps) {
1377 case RTLLIB_PS_DISABLED:
1378 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1379 break;
1380 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1381 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1382 break;
1383 default:
1384 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1385 break;
1386 }
1387 spin_lock_irqsave(&priv->irq_th_lock, flags);
1388 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1389 if (QueueID == TXCMD_QUEUE)
1390 continue;
1391
1392 if (QueueID == BEACON_QUEUE)
1393 continue;
1394
1395 ring = &priv->tx_ring[QueueID];
1396
1397 if (skb_queue_len(&ring->queue) == 0) {
1398 continue;
1399 } else {
1400 skb = (&ring->queue)->next;
1401 tcb_desc = (struct cb_desc *)(skb->cb +
1402 MAX_DEV_ADDR_SIZE);
1403 tcb_desc->nStuckCount++;
1404 bCheckFwTxCnt = true;
1405 if (tcb_desc->nStuckCount > 1)
1406 printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1407 "StuckCount=%d\n", __func__, QueueID,
1408 tcb_desc->nStuckCount);
1409 }
1410 }
1411 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1412
1413 if (bCheckFwTxCnt) {
1414 if (priv->ops->TxCheckStuckHandler(dev)) {
1415 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1416 " Tx condition!\n");
1417 return RESET_TYPE_SILENT;
1418 }
1419 }
1420
1421 return RESET_TYPE_NORESET;
1422 }
1423
rtl819x_RxCheckStuck(struct net_device * dev)1424 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1425 {
1426 struct r8192_priv *priv = rtllib_priv(dev);
1427
1428 if (priv->ops->RxCheckStuckHandler(dev)) {
1429 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1430 return RESET_TYPE_SILENT;
1431 }
1432
1433 return RESET_TYPE_NORESET;
1434 }
1435
rtl819x_ifcheck_resetornot(struct net_device * dev)1436 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1437 {
1438 struct r8192_priv *priv = rtllib_priv(dev);
1439 enum reset_type TxResetType = RESET_TYPE_NORESET;
1440 enum reset_type RxResetType = RESET_TYPE_NORESET;
1441 enum rt_rf_power_state rfState;
1442
1443 rfState = priv->rtllib->eRFPowerState;
1444
1445 if (rfState == eRfOn)
1446 TxResetType = rtl819x_TxCheckStuck(dev);
1447
1448 if (rfState == eRfOn &&
1449 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1450 (priv->rtllib->state == RTLLIB_LINKED))
1451 RxResetType = rtl819x_RxCheckStuck(dev);
1452
1453 if (TxResetType == RESET_TYPE_NORMAL ||
1454 RxResetType == RESET_TYPE_NORMAL) {
1455 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1456 __func__, TxResetType, RxResetType);
1457 return RESET_TYPE_NORMAL;
1458 } else if (TxResetType == RESET_TYPE_SILENT ||
1459 RxResetType == RESET_TYPE_SILENT) {
1460 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1461 __func__, TxResetType, RxResetType);
1462 return RESET_TYPE_SILENT;
1463 } else {
1464 return RESET_TYPE_NORESET;
1465 }
1466
1467 }
1468
rtl819x_silentreset_mesh_bk(struct net_device * dev,u8 IsPortal)1469 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1470 {
1471 }
1472
rtl819x_ifsilentreset(struct net_device * dev)1473 static void rtl819x_ifsilentreset(struct net_device *dev)
1474 {
1475 struct r8192_priv *priv = rtllib_priv(dev);
1476 u8 reset_times = 0;
1477 int reset_status = 0;
1478 struct rtllib_device *ieee = priv->rtllib;
1479 unsigned long flag;
1480
1481 u8 IsPortal = 0;
1482
1483
1484 if (priv->ResetProgress == RESET_TYPE_NORESET) {
1485
1486 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1487
1488 priv->ResetProgress = RESET_TYPE_SILENT;
1489
1490 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1491 if (priv->RFChangeInProgress) {
1492 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1493 goto END;
1494 }
1495 priv->RFChangeInProgress = true;
1496 priv->bResetInProgress = true;
1497 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1498
1499 RESET_START:
1500
1501 down(&priv->wx_sem);
1502
1503 if (priv->rtllib->state == RTLLIB_LINKED)
1504 LeisurePSLeave(dev);
1505
1506 if (IS_NIC_DOWN(priv)) {
1507 RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1508 "return\n", __func__);
1509 up(&priv->wx_sem);
1510 return ;
1511 }
1512 priv->up = 0;
1513
1514 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1515 __func__);
1516 mdelay(1000);
1517 RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1518 " to down the driver\n", __func__);
1519
1520 if (!netif_queue_stopped(dev))
1521 netif_stop_queue(dev);
1522
1523 rtl8192_irq_disable(dev);
1524 del_timer_sync(&priv->watch_dog_timer);
1525 rtl8192_cancel_deferred_work(priv);
1526 deinit_hal_dm(dev);
1527 rtllib_stop_scan_syncro(ieee);
1528
1529 if (ieee->state == RTLLIB_LINKED) {
1530 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1531 printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1532 rtllib_stop_send_beacons(priv->rtllib);
1533 del_timer_sync(&ieee->associate_timer);
1534 cancel_delayed_work(&ieee->associate_retry_wq);
1535 rtllib_stop_scan(ieee);
1536 netif_carrier_off(dev);
1537 SEM_UP_IEEE_WX(&ieee->wx_sem);
1538 } else {
1539 printk(KERN_INFO "ieee->state is NOT LINKED\n");
1540 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1541 }
1542
1543 dm_backup_dynamic_mechanism_state(dev);
1544
1545 up(&priv->wx_sem);
1546 RT_TRACE(COMP_RESET, "%s():<==========down process is "
1547 "finished\n", __func__);
1548
1549 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1550 __func__);
1551 reset_status = _rtl8192_up(dev, true);
1552
1553 RT_TRACE(COMP_RESET, "%s():<===========up process is "
1554 "finished\n", __func__);
1555 if (reset_status == -1) {
1556 if (reset_times < 3) {
1557 reset_times++;
1558 goto RESET_START;
1559 } else {
1560 RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset "
1561 "Failed!!\n", __func__);
1562 }
1563 }
1564
1565 ieee->is_silent_reset = 1;
1566
1567 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1568 priv->RFChangeInProgress = false;
1569 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1570
1571 EnableHWSecurityConfig8192(dev);
1572
1573 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1574 IW_MODE_INFRA) {
1575 ieee->set_chan(ieee->dev,
1576 ieee->current_network.channel);
1577
1578 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1579
1580 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1581 IW_MODE_ADHOC) {
1582 ieee->set_chan(ieee->dev,
1583 ieee->current_network.channel);
1584 ieee->link_change(ieee->dev);
1585
1586 notify_wx_assoc_event(ieee);
1587
1588 rtllib_start_send_beacons(ieee);
1589
1590 if (ieee->data_hard_resume)
1591 ieee->data_hard_resume(ieee->dev);
1592 netif_carrier_on(ieee->dev);
1593 } else if (ieee->iw_mode == IW_MODE_MESH) {
1594 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1595 }
1596
1597 CamRestoreAllEntry(dev);
1598 dm_restore_dynamic_mechanism_state(dev);
1599 END:
1600 priv->ResetProgress = RESET_TYPE_NORESET;
1601 priv->reset_count++;
1602
1603 priv->bForcedSilentReset = false;
1604 priv->bResetInProgress = false;
1605
1606 write_nic_byte(dev, UFWP, 1);
1607 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1608 priv->reset_count);
1609 }
1610 }
1611
rtl819x_update_rxcounts(struct r8192_priv * priv,u32 * TotalRxBcnNum,u32 * TotalRxDataNum)1612 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1613 u32 *TotalRxDataNum)
1614 {
1615 u16 SlotIndex;
1616 u8 i;
1617
1618 *TotalRxBcnNum = 0;
1619 *TotalRxDataNum = 0;
1620
1621 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1622 (priv->rtllib->LinkDetectInfo.SlotNum);
1623 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1624 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1625 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1626 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1627 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1628 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1629 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1630 }
1631 }
1632
1633
rtl819x_watchdog_wqcallback(void * data)1634 void rtl819x_watchdog_wqcallback(void *data)
1635 {
1636 struct r8192_priv *priv = container_of_dwork_rsl(data,
1637 struct r8192_priv, watch_dog_wq);
1638 struct net_device *dev = priv->rtllib->dev;
1639 struct rtllib_device *ieee = priv->rtllib;
1640 enum reset_type ResetType = RESET_TYPE_NORESET;
1641 static u8 check_reset_cnt;
1642 unsigned long flags;
1643 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1644 (&(priv->rtllib->PowerSaveControl));
1645 bool bBusyTraffic = false;
1646 bool bHigherBusyTraffic = false;
1647 bool bHigherBusyRxTraffic = false;
1648 bool bEnterPS = false;
1649
1650 if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1651 return;
1652
1653 if (priv->rtllib->state >= RTLLIB_LINKED) {
1654 if (priv->rtllib->CntAfterLink < 2)
1655 priv->rtllib->CntAfterLink++;
1656 } else {
1657 priv->rtllib->CntAfterLink = 0;
1658 }
1659
1660 hal_dm_watchdog(dev);
1661
1662 if (rtllib_act_scanning(priv->rtllib, false) == false) {
1663 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1664 RTLLIB_NOLINK) &&
1665 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1666 (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1667 if ((ieee->PowerSaveControl.ReturnPoint ==
1668 IPS_CALLBACK_NONE) &&
1669 (!ieee->bNetPromiscuousMode)) {
1670 RT_TRACE(COMP_PS, "====================>haha: "
1671 "IPSEnter()\n");
1672 IPSEnter(dev);
1673 }
1674 }
1675 }
1676 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1677 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1678 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1679 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1680 bBusyTraffic = true;
1681
1682
1683 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1684 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1685 bHigherBusyTraffic = true;
1686 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1687 bHigherBusyRxTraffic = true;
1688 else
1689 bHigherBusyRxTraffic = false;
1690 }
1691
1692 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1693 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1694 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1695 bEnterPS = false;
1696 else
1697 bEnterPS = true;
1698
1699 if (ieee->current_network.beacon_interval < 95)
1700 bEnterPS = false;
1701
1702 if (bEnterPS)
1703 LeisurePSEnter(dev);
1704 else
1705 LeisurePSLeave(dev);
1706
1707 } else {
1708 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1709 LeisurePSLeave(dev);
1710 }
1711
1712 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1713 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1714 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1715 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1716
1717 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1718 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1719
1720 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1721 u32 TotalRxBcnNum = 0;
1722 u32 TotalRxDataNum = 0;
1723
1724 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1725
1726 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1727 priv->check_roaming_cnt++;
1728 else
1729 priv->check_roaming_cnt = 0;
1730
1731
1732 if (priv->check_roaming_cnt > 0) {
1733 if (ieee->eRFPowerState == eRfOff)
1734 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1735
1736 printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1737 " connect another one\n", __func__, priv->chan);
1738
1739 ieee->state = RTLLIB_ASSOCIATING;
1740
1741 RemovePeerTS(priv->rtllib,
1742 priv->rtllib->current_network.bssid);
1743 ieee->is_roaming = true;
1744 ieee->is_set_key = false;
1745 ieee->link_change(dev);
1746 if (ieee->LedControlHandler)
1747 ieee->LedControlHandler(ieee->dev,
1748 LED_CTL_START_TO_LINK);
1749
1750 notify_wx_assoc_event(ieee);
1751
1752 if (!(ieee->rtllib_ap_sec_type(ieee) &
1753 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1754 queue_delayed_work_rsl(ieee->wq,
1755 &ieee->associate_procedure_wq, 0);
1756
1757 priv->check_roaming_cnt = 0;
1758 }
1759 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1760 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1761
1762 }
1763
1764 spin_lock_irqsave(&priv->tx_lock, flags);
1765 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1766 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1767 ResetType = rtl819x_ifcheck_resetornot(dev);
1768 check_reset_cnt = 3;
1769 }
1770 spin_unlock_irqrestore(&priv->tx_lock, flags);
1771
1772 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1773 priv->ResetProgress = RESET_TYPE_NORMAL;
1774 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1775 return;
1776 }
1777
1778 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1779 ResetType == RESET_TYPE_SILENT)))
1780 rtl819x_ifsilentreset(dev);
1781 priv->force_reset = false;
1782 priv->bForcedSilentReset = false;
1783 priv->bResetInProgress = false;
1784 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1785 }
1786
watch_dog_timer_callback(unsigned long data)1787 void watch_dog_timer_callback(unsigned long data)
1788 {
1789 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1790 queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1791 mod_timer(&priv->watch_dog_timer, jiffies +
1792 MSECS(RTLLIB_WATCH_DOG_TIME));
1793 }
1794
1795 /****************************************************************************
1796 ---------------------------- NIC TX/RX STUFF---------------------------
1797 *****************************************************************************/
rtl8192_rx_enable(struct net_device * dev)1798 void rtl8192_rx_enable(struct net_device *dev)
1799 {
1800 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1801 priv->ops->rx_enable(dev);
1802 }
1803
rtl8192_tx_enable(struct net_device * dev)1804 void rtl8192_tx_enable(struct net_device *dev)
1805 {
1806 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1807
1808 priv->ops->tx_enable(dev);
1809
1810 rtllib_reset_queue(priv->rtllib);
1811 }
1812
1813
rtl8192_free_rx_ring(struct net_device * dev)1814 static void rtl8192_free_rx_ring(struct net_device *dev)
1815 {
1816 struct r8192_priv *priv = rtllib_priv(dev);
1817 int i, rx_queue_idx;
1818
1819 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1820 rx_queue_idx++) {
1821 for (i = 0; i < priv->rxringcount; i++) {
1822 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1823 if (!skb)
1824 continue;
1825
1826 pci_unmap_single(priv->pdev,
1827 *((dma_addr_t *)skb->cb),
1828 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1829 kfree_skb(skb);
1830 }
1831
1832 pci_free_consistent(priv->pdev,
1833 sizeof(*priv->rx_ring[rx_queue_idx]) *
1834 priv->rxringcount,
1835 priv->rx_ring[rx_queue_idx],
1836 priv->rx_ring_dma[rx_queue_idx]);
1837 priv->rx_ring[rx_queue_idx] = NULL;
1838 }
1839 }
1840
rtl8192_free_tx_ring(struct net_device * dev,unsigned int prio)1841 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1842 {
1843 struct r8192_priv *priv = rtllib_priv(dev);
1844 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1845
1846 while (skb_queue_len(&ring->queue)) {
1847 struct tx_desc *entry = &ring->desc[ring->idx];
1848 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1849
1850 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1851 skb->len, PCI_DMA_TODEVICE);
1852 kfree_skb(skb);
1853 ring->idx = (ring->idx + 1) % ring->entries;
1854 }
1855
1856 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1857 ring->desc, ring->dma);
1858 ring->desc = NULL;
1859 }
1860
rtl8192_data_hard_stop(struct net_device * dev)1861 void rtl8192_data_hard_stop(struct net_device *dev)
1862 {
1863 }
1864
1865
rtl8192_data_hard_resume(struct net_device * dev)1866 void rtl8192_data_hard_resume(struct net_device *dev)
1867 {
1868 }
1869
rtl8192_hard_data_xmit(struct sk_buff * skb,struct net_device * dev,int rate)1870 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1871 int rate)
1872 {
1873 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1874 int ret;
1875 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1876 MAX_DEV_ADDR_SIZE);
1877 u8 queue_index = tcb_desc->queue_index;
1878
1879 if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1880 priv->bResetInProgress) {
1881 kfree_skb(skb);
1882 return;
1883 }
1884
1885 assert(queue_index != TXCMD_QUEUE);
1886
1887
1888 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1889 skb_push(skb, priv->rtllib->tx_headroom);
1890 ret = rtl8192_tx(dev, skb);
1891 if (ret != 0) {
1892 kfree_skb(skb);
1893 };
1894
1895 if (queue_index != MGNT_QUEUE) {
1896 priv->rtllib->stats.tx_bytes += (skb->len -
1897 priv->rtllib->tx_headroom);
1898 priv->rtllib->stats.tx_packets++;
1899 }
1900
1901
1902 return;
1903 }
1904
rtl8192_hard_start_xmit(struct sk_buff * skb,struct net_device * dev)1905 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1906 {
1907 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1908 int ret;
1909 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1910 MAX_DEV_ADDR_SIZE);
1911 u8 queue_index = tcb_desc->queue_index;
1912
1913 if (queue_index != TXCMD_QUEUE) {
1914 if ((priv->rtllib->eRFPowerState == eRfOff) ||
1915 IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1916 kfree_skb(skb);
1917 return 0;
1918 }
1919 }
1920
1921 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1922 if (queue_index == TXCMD_QUEUE) {
1923 rtl8192_tx_cmd(dev, skb);
1924 ret = 0;
1925 return ret;
1926 } else {
1927 tcb_desc->RATRIndex = 7;
1928 tcb_desc->bTxDisableRateFallBack = 1;
1929 tcb_desc->bTxUseDriverAssingedRate = 1;
1930 tcb_desc->bTxEnableFwCalcDur = 1;
1931 skb_push(skb, priv->rtllib->tx_headroom);
1932 ret = rtl8192_tx(dev, skb);
1933 if (ret != 0) {
1934 kfree_skb(skb);
1935 };
1936 }
1937
1938
1939
1940 return ret;
1941
1942 }
1943
rtl8192_tx_isr(struct net_device * dev,int prio)1944 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1945 {
1946 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1947
1948 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1949
1950 while (skb_queue_len(&ring->queue)) {
1951 struct tx_desc *entry = &ring->desc[ring->idx];
1952 struct sk_buff *skb;
1953
1954 if (prio != BEACON_QUEUE) {
1955 if (entry->OWN)
1956 return;
1957 ring->idx = (ring->idx + 1) % ring->entries;
1958 }
1959
1960 skb = __skb_dequeue(&ring->queue);
1961 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1962 skb->len, PCI_DMA_TODEVICE);
1963
1964 kfree_skb(skb);
1965 }
1966 if (prio != BEACON_QUEUE)
1967 tasklet_schedule(&priv->irq_tx_tasklet);
1968 }
1969
rtl8192_tx_cmd(struct net_device * dev,struct sk_buff * skb)1970 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1971 {
1972 struct r8192_priv *priv = rtllib_priv(dev);
1973 struct rtl8192_tx_ring *ring;
1974 struct tx_desc_cmd *entry;
1975 unsigned int idx;
1976 struct cb_desc *tcb_desc;
1977 unsigned long flags;
1978
1979 spin_lock_irqsave(&priv->irq_th_lock, flags);
1980 ring = &priv->tx_ring[TXCMD_QUEUE];
1981
1982 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1983 entry = (struct tx_desc_cmd *) &ring->desc[idx];
1984
1985 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1986
1987 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1988
1989 __skb_queue_tail(&ring->queue, skb);
1990 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1991
1992 return;
1993 }
1994
rtl8192_tx(struct net_device * dev,struct sk_buff * skb)1995 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1996 {
1997 struct r8192_priv *priv = rtllib_priv(dev);
1998 struct rtl8192_tx_ring *ring;
1999 unsigned long flags;
2000 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2001 MAX_DEV_ADDR_SIZE);
2002 struct tx_desc *pdesc = NULL;
2003 struct rtllib_hdr_1addr *header = NULL;
2004 u16 fc = 0, type = 0, stype = 0;
2005 bool multi_addr = false, broad_addr = false, uni_addr = false;
2006 u8 *pda_addr = NULL;
2007 int idx;
2008 u32 fwinfo_size = 0;
2009
2010 if (priv->bdisable_nic) {
2011 RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2012 " len=%d qidx=%d!!!\n", __func__, skb->len,
2013 tcb_desc->queue_index);
2014 return skb->len;
2015 }
2016
2017 priv->rtllib->bAwakePktSent = true;
2018
2019 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2020
2021 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2022 fc = header->frame_ctl;
2023 type = WLAN_FC_GET_TYPE(fc);
2024 stype = WLAN_FC_GET_STYPE(fc);
2025 pda_addr = header->addr1;
2026
2027 if (is_multicast_ether_addr(pda_addr))
2028 multi_addr = true;
2029 else if (is_broadcast_ether_addr(pda_addr))
2030 broad_addr = true;
2031 else
2032 uni_addr = true;
2033
2034 if (uni_addr)
2035 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2036 else if (multi_addr)
2037 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2038 else
2039 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2040
2041 spin_lock_irqsave(&priv->irq_th_lock, flags);
2042 ring = &priv->tx_ring[tcb_desc->queue_index];
2043 if (tcb_desc->queue_index != BEACON_QUEUE)
2044 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2045 else
2046 idx = 0;
2047
2048 pdesc = &ring->desc[idx];
2049 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2050 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2051 "%d, skblen = 0x%x queuelen=%d",
2052 tcb_desc->queue_index, ring->idx, idx, skb->len,
2053 skb_queue_len(&ring->queue));
2054 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2055 return skb->len;
2056 }
2057
2058 if (type == RTLLIB_FTYPE_DATA) {
2059 if (priv->rtllib->LedControlHandler)
2060 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2061 }
2062 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2063 __skb_queue_tail(&ring->queue, skb);
2064 pdesc->OWN = 1;
2065 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2066 dev->trans_start = jiffies;
2067
2068 write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2069 return 0;
2070 }
2071
rtl8192_alloc_rx_desc_ring(struct net_device * dev)2072 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2073 {
2074 struct r8192_priv *priv = rtllib_priv(dev);
2075 struct rx_desc *entry = NULL;
2076 int i, rx_queue_idx;
2077
2078 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2079 priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2080 sizeof(*priv->rx_ring[rx_queue_idx]) *
2081 priv->rxringcount,
2082 &priv->rx_ring_dma[rx_queue_idx]);
2083
2084 if (!priv->rx_ring[rx_queue_idx] ||
2085 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2086 RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2087 return -ENOMEM;
2088 }
2089
2090 memset(priv->rx_ring[rx_queue_idx], 0,
2091 sizeof(*priv->rx_ring[rx_queue_idx]) *
2092 priv->rxringcount);
2093 priv->rx_idx[rx_queue_idx] = 0;
2094
2095 for (i = 0; i < priv->rxringcount; i++) {
2096 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2097 dma_addr_t *mapping;
2098 entry = &priv->rx_ring[rx_queue_idx][i];
2099 if (!skb)
2100 return 0;
2101 skb->dev = dev;
2102 priv->rx_buf[rx_queue_idx][i] = skb;
2103 mapping = (dma_addr_t *)skb->cb;
2104 *mapping = pci_map_single(priv->pdev,
2105 skb_tail_pointer_rsl(skb),
2106 priv->rxbuffersize,
2107 PCI_DMA_FROMDEVICE);
2108
2109 entry->BufferAddress = cpu_to_le32(*mapping);
2110
2111 entry->Length = priv->rxbuffersize;
2112 entry->OWN = 1;
2113 }
2114
2115 if(entry)
2116 entry->EOR = 1;
2117 }
2118 return 0;
2119 }
2120
rtl8192_alloc_tx_desc_ring(struct net_device * dev,unsigned int prio,unsigned int entries)2121 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2122 unsigned int prio, unsigned int entries)
2123 {
2124 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2125 struct tx_desc *ring;
2126 dma_addr_t dma;
2127 int i;
2128
2129 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2130 if (!ring || (unsigned long)ring & 0xFF) {
2131 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2132 prio);
2133 return -ENOMEM;
2134 }
2135
2136 memset(ring, 0, sizeof(*ring)*entries);
2137 priv->tx_ring[prio].desc = ring;
2138 priv->tx_ring[prio].dma = dma;
2139 priv->tx_ring[prio].idx = 0;
2140 priv->tx_ring[prio].entries = entries;
2141 skb_queue_head_init(&priv->tx_ring[prio].queue);
2142
2143 for (i = 0; i < entries; i++)
2144 ring[i].NextDescAddress =
2145 cpu_to_le32((u32)dma + ((i + 1) % entries) *
2146 sizeof(*ring));
2147
2148 return 0;
2149 }
2150
2151
rtl8192_pci_initdescring(struct net_device * dev)2152 short rtl8192_pci_initdescring(struct net_device *dev)
2153 {
2154 u32 ret;
2155 int i;
2156 struct r8192_priv *priv = rtllib_priv(dev);
2157
2158 ret = rtl8192_alloc_rx_desc_ring(dev);
2159 if (ret)
2160 return ret;
2161
2162 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2163 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2164 if (ret)
2165 goto err_free_rings;
2166 }
2167
2168 return 0;
2169
2170 err_free_rings:
2171 rtl8192_free_rx_ring(dev);
2172 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2173 if (priv->tx_ring[i].desc)
2174 rtl8192_free_tx_ring(dev, i);
2175 return 1;
2176 }
2177
rtl8192_pci_resetdescring(struct net_device * dev)2178 void rtl8192_pci_resetdescring(struct net_device *dev)
2179 {
2180 struct r8192_priv *priv = rtllib_priv(dev);
2181 int i, rx_queue_idx;
2182 unsigned long flags = 0;
2183
2184 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2185 if (priv->rx_ring[rx_queue_idx]) {
2186 struct rx_desc *entry = NULL;
2187 for (i = 0; i < priv->rxringcount; i++) {
2188 entry = &priv->rx_ring[rx_queue_idx][i];
2189 entry->OWN = 1;
2190 }
2191 priv->rx_idx[rx_queue_idx] = 0;
2192 }
2193 }
2194
2195 spin_lock_irqsave(&priv->irq_th_lock, flags);
2196 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2197 if (priv->tx_ring[i].desc) {
2198 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2199
2200 while (skb_queue_len(&ring->queue)) {
2201 struct tx_desc *entry = &ring->desc[ring->idx];
2202 struct sk_buff *skb =
2203 __skb_dequeue(&ring->queue);
2204
2205 pci_unmap_single(priv->pdev,
2206 le32_to_cpu(entry->TxBuffAddr),
2207 skb->len, PCI_DMA_TODEVICE);
2208 kfree_skb(skb);
2209 ring->idx = (ring->idx + 1) % ring->entries;
2210 }
2211 ring->idx = 0;
2212 }
2213 }
2214 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2215 }
2216
rtl819x_UpdateRxPktTimeStamp(struct net_device * dev,struct rtllib_rx_stats * stats)2217 void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2218 struct rtllib_rx_stats *stats)
2219 {
2220 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2221
2222 if (stats->bIsAMPDU && !stats->bFirstMPDU)
2223 stats->mac_time = priv->LastRxDescTSF;
2224 else
2225 priv->LastRxDescTSF = stats->mac_time;
2226 }
2227
rtl819x_translate_todbm(struct r8192_priv * priv,u8 signal_strength_index)2228 long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2229 {
2230 long signal_power;
2231
2232 signal_power = (long)((signal_strength_index + 1) >> 1);
2233 signal_power -= 95;
2234
2235 return signal_power;
2236 }
2237
2238
2239 void
rtl819x_update_rxsignalstatistics8190pci(struct r8192_priv * priv,struct rtllib_rx_stats * pprevious_stats)2240 rtl819x_update_rxsignalstatistics8190pci(
2241 struct r8192_priv *priv,
2242 struct rtllib_rx_stats *pprevious_stats
2243 )
2244 {
2245 int weighting = 0;
2246
2247
2248 if (priv->stats.recv_signal_power == 0)
2249 priv->stats.recv_signal_power =
2250 pprevious_stats->RecvSignalPower;
2251
2252 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2253 weighting = 5;
2254 else if (pprevious_stats->RecvSignalPower <
2255 priv->stats.recv_signal_power)
2256 weighting = (-5);
2257 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2258 pprevious_stats->RecvSignalPower +
2259 weighting) / 6;
2260 }
2261
rtl819x_process_cck_rxpathsel(struct r8192_priv * priv,struct rtllib_rx_stats * pprevious_stats)2262 void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2263 struct rtllib_rx_stats *pprevious_stats)
2264 {
2265 }
2266
2267
rtl819x_query_rxpwrpercentage(char antpower)2268 u8 rtl819x_query_rxpwrpercentage(char antpower)
2269 {
2270 if ((antpower <= -100) || (antpower >= 20))
2271 return 0;
2272 else if (antpower >= 0)
2273 return 100;
2274 else
2275 return 100 + antpower;
2276
2277 } /* QueryRxPwrPercentage */
2278
2279 u8
rtl819x_evm_dbtopercentage(char value)2280 rtl819x_evm_dbtopercentage(
2281 char value
2282 )
2283 {
2284 char ret_val;
2285
2286 ret_val = value;
2287
2288 if (ret_val >= 0)
2289 ret_val = 0;
2290 if (ret_val <= -33)
2291 ret_val = -33;
2292 ret_val = 0 - ret_val;
2293 ret_val *= 3;
2294 if (ret_val == 99)
2295 ret_val = 100;
2296 return ret_val;
2297 }
2298
2299 void
rtl8192_record_rxdesc_forlateruse(struct rtllib_rx_stats * psrc_stats,struct rtllib_rx_stats * ptarget_stats)2300 rtl8192_record_rxdesc_forlateruse(
2301 struct rtllib_rx_stats *psrc_stats,
2302 struct rtllib_rx_stats *ptarget_stats
2303 )
2304 {
2305 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2306 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2307 }
2308
2309
2310
rtl8192_rx_normal(struct net_device * dev)2311 static void rtl8192_rx_normal(struct net_device *dev)
2312 {
2313 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2314 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2315 bool unicast_packet = false;
2316 bool bLedBlinking = true;
2317 u16 fc = 0, type = 0;
2318 u32 skb_len = 0;
2319 int rx_queue_idx = RX_MPDU_QUEUE;
2320
2321 struct rtllib_rx_stats stats = {
2322 .signal = 0,
2323 .noise = -98,
2324 .rate = 0,
2325 .freq = RTLLIB_24GHZ_BAND,
2326 };
2327 unsigned int count = priv->rxringcount;
2328
2329 stats.nic_type = NIC_8192E;
2330
2331 while (count--) {
2332 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2333 [priv->rx_idx[rx_queue_idx]];
2334 struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2335 [priv->rx_idx[rx_queue_idx]];
2336
2337 if (pdesc->OWN) {
2338 return;
2339 } else {
2340 struct sk_buff *new_skb;
2341
2342 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2343 pdesc, skb))
2344 goto done;
2345 new_skb = dev_alloc_skb(priv->rxbuffersize);
2346 /* if allocation of new skb failed - drop current packet
2347 * and reuse skb */
2348 if (unlikely(!new_skb))
2349 goto done;
2350
2351 pci_unmap_single(priv->pdev,
2352 *((dma_addr_t *)skb->cb),
2353 priv->rxbuffersize,
2354 PCI_DMA_FROMDEVICE);
2355
2356 skb_put(skb, pdesc->Length);
2357 skb_reserve(skb, stats.RxDrvInfoSize +
2358 stats.RxBufShift);
2359 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2360 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2361 if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
2362 !is_multicast_ether_addr(rtllib_hdr->addr1)) {
2363 /* unicast packet */
2364 unicast_packet = true;
2365 }
2366 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2367 type = WLAN_FC_GET_TYPE(fc);
2368 if (type == RTLLIB_FTYPE_MGMT)
2369 bLedBlinking = false;
2370
2371 if (bLedBlinking)
2372 if (priv->rtllib->LedControlHandler)
2373 priv->rtllib->LedControlHandler(dev,
2374 LED_CTL_RX);
2375
2376 if (stats.bCRC) {
2377 if (type != RTLLIB_FTYPE_MGMT)
2378 priv->stats.rxdatacrcerr++;
2379 else
2380 priv->stats.rxmgmtcrcerr++;
2381 }
2382
2383 skb_len = skb->len;
2384
2385 if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2386 dev_kfree_skb_any(skb);
2387 } else {
2388 priv->stats.rxok++;
2389 if (unicast_packet)
2390 priv->stats.rxbytesunicast += skb_len;
2391 }
2392
2393 skb = new_skb;
2394 skb->dev = dev;
2395
2396 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2397 skb;
2398 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2399 skb_tail_pointer_rsl(skb),
2400 priv->rxbuffersize,
2401 PCI_DMA_FROMDEVICE);
2402
2403 }
2404 done:
2405 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2406 pdesc->OWN = 1;
2407 pdesc->Length = priv->rxbuffersize;
2408 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2409 pdesc->EOR = 1;
2410 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2411 priv->rxringcount;
2412 }
2413
2414 }
2415
rtl8192_rx_cmd(struct net_device * dev)2416 static void rtl8192_rx_cmd(struct net_device *dev)
2417 {
2418 }
2419
2420
rtl8192_tx_resume(struct net_device * dev)2421 static void rtl8192_tx_resume(struct net_device *dev)
2422 {
2423 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2424 struct rtllib_device *ieee = priv->rtllib;
2425 struct sk_buff *skb;
2426 int queue_index;
2427
2428 for (queue_index = BK_QUEUE;
2429 queue_index < MAX_QUEUE_SIZE; queue_index++) {
2430 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2431 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2432 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2433 ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2434 }
2435 }
2436 }
2437
rtl8192_irq_tx_tasklet(struct r8192_priv * priv)2438 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2439 {
2440 rtl8192_tx_resume(priv->rtllib->dev);
2441 }
2442
rtl8192_irq_rx_tasklet(struct r8192_priv * priv)2443 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2444 {
2445 rtl8192_rx_normal(priv->rtllib->dev);
2446
2447 if (MAX_RX_QUEUE > 1)
2448 rtl8192_rx_cmd(priv->rtllib->dev);
2449
2450 write_nic_dword(priv->rtllib->dev, INTA_MASK,
2451 read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2452 }
2453
2454 /****************************************************************************
2455 ---------------------------- NIC START/CLOSE STUFF---------------------------
2456 *****************************************************************************/
rtl8192_cancel_deferred_work(struct r8192_priv * priv)2457 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2458 {
2459 cancel_delayed_work(&priv->watch_dog_wq);
2460 cancel_delayed_work(&priv->update_beacon_wq);
2461 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2462 cancel_work_sync(&priv->reset_wq);
2463 cancel_work_sync(&priv->qos_activate);
2464 }
2465
_rtl8192_up(struct net_device * dev,bool is_silent_reset)2466 int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2467 {
2468 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2469 return -1;
2470 return 0;
2471 }
2472
2473
rtl8192_open(struct net_device * dev)2474 static int rtl8192_open(struct net_device *dev)
2475 {
2476 struct r8192_priv *priv = rtllib_priv(dev);
2477 int ret;
2478
2479 down(&priv->wx_sem);
2480 ret = rtl8192_up(dev);
2481 up(&priv->wx_sem);
2482 return ret;
2483
2484 }
2485
2486
rtl8192_up(struct net_device * dev)2487 int rtl8192_up(struct net_device *dev)
2488 {
2489 struct r8192_priv *priv = rtllib_priv(dev);
2490
2491 if (priv->up == 1)
2492 return -1;
2493 return _rtl8192_up(dev, false);
2494 }
2495
2496
rtl8192_close(struct net_device * dev)2497 static int rtl8192_close(struct net_device *dev)
2498 {
2499 struct r8192_priv *priv = rtllib_priv(dev);
2500 int ret;
2501
2502 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2503 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2504 rtllib_stop_scan(priv->rtllib);
2505 }
2506
2507 down(&priv->wx_sem);
2508
2509 ret = rtl8192_down(dev, true);
2510
2511 up(&priv->wx_sem);
2512
2513 return ret;
2514
2515 }
2516
rtl8192_down(struct net_device * dev,bool shutdownrf)2517 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2518 {
2519 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2520 return -1;
2521
2522 return 0;
2523 }
2524
rtl8192_commit(struct net_device * dev)2525 void rtl8192_commit(struct net_device *dev)
2526 {
2527 struct r8192_priv *priv = rtllib_priv(dev);
2528
2529 if (priv->up == 0)
2530 return;
2531 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2532 rtl8192_irq_disable(dev);
2533 priv->ops->stop_adapter(dev, true);
2534 _rtl8192_up(dev, false);
2535 }
2536
rtl8192_restart(void * data)2537 void rtl8192_restart(void *data)
2538 {
2539 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2540 reset_wq);
2541 struct net_device *dev = priv->rtllib->dev;
2542
2543 down(&priv->wx_sem);
2544
2545 rtl8192_commit(dev);
2546
2547 up(&priv->wx_sem);
2548 }
2549
r8192_set_multicast(struct net_device * dev)2550 static void r8192_set_multicast(struct net_device *dev)
2551 {
2552 struct r8192_priv *priv = rtllib_priv(dev);
2553 short promisc;
2554
2555 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2556 priv->promisc = promisc;
2557
2558 }
2559
2560
r8192_set_mac_adr(struct net_device * dev,void * mac)2561 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2562 {
2563 struct r8192_priv *priv = rtllib_priv(dev);
2564 struct sockaddr *addr = mac;
2565
2566 down(&priv->wx_sem);
2567
2568 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2569
2570 schedule_work(&priv->reset_wq);
2571 up(&priv->wx_sem);
2572
2573 return 0;
2574 }
2575
2576 /* based on ipw2200 driver */
rtl8192_ioctl(struct net_device * dev,struct ifreq * rq,int cmd)2577 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2578 {
2579 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2580 struct iwreq *wrq = (struct iwreq *)rq;
2581 int ret = -1;
2582 struct rtllib_device *ieee = priv->rtllib;
2583 u32 key[4];
2584 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2585 u8 zero_addr[6] = {0};
2586 struct iw_point *p = &wrq->u.data;
2587 struct ieee_param *ipw = NULL;
2588
2589 down(&priv->wx_sem);
2590
2591 switch (cmd) {
2592 case RTL_IOCTL_WPA_SUPPLICANT:
2593 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2594 ret = -EINVAL;
2595 goto out;
2596 }
2597
2598 ipw = kmalloc(p->length, GFP_KERNEL);
2599 if (ipw == NULL) {
2600 ret = -ENOMEM;
2601 goto out;
2602 }
2603 if (copy_from_user(ipw, p->pointer, p->length)) {
2604 kfree(ipw);
2605 ret = -EFAULT;
2606 goto out;
2607 }
2608
2609 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2610 if (ipw->u.crypt.set_tx) {
2611 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2612 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2613 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2614 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2615 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2616 if (ipw->u.crypt.key_len == 13)
2617 ieee->pairwise_key_type =
2618 KEY_TYPE_WEP104;
2619 else if (ipw->u.crypt.key_len == 5)
2620 ieee->pairwise_key_type =
2621 KEY_TYPE_WEP40;
2622 } else {
2623 ieee->pairwise_key_type = KEY_TYPE_NA;
2624 }
2625
2626 if (ieee->pairwise_key_type) {
2627 if (memcmp(ieee->ap_mac_addr, zero_addr,
2628 6) == 0)
2629 ieee->iw_mode = IW_MODE_ADHOC;
2630 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2631 EnableHWSecurityConfig8192(dev);
2632 set_swcam(dev, 4, ipw->u.crypt.idx,
2633 ieee->pairwise_key_type,
2634 (u8 *)ieee->ap_mac_addr,
2635 0, key, 0);
2636 setKey(dev, 4, ipw->u.crypt.idx,
2637 ieee->pairwise_key_type,
2638 (u8 *)ieee->ap_mac_addr, 0, key);
2639 if (ieee->iw_mode == IW_MODE_ADHOC) {
2640 set_swcam(dev, ipw->u.crypt.idx,
2641 ipw->u.crypt.idx,
2642 ieee->pairwise_key_type,
2643 (u8 *)ieee->ap_mac_addr,
2644 0, key, 0);
2645 setKey(dev, ipw->u.crypt.idx,
2646 ipw->u.crypt.idx,
2647 ieee->pairwise_key_type,
2648 (u8 *)ieee->ap_mac_addr,
2649 0, key);
2650 }
2651 }
2652 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2653 && ieee->pHTInfo->bCurrentHTSupport) {
2654 write_nic_byte(dev, 0x173, 1);
2655 }
2656
2657 } else {
2658 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2659 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2660 ieee->group_key_type = KEY_TYPE_CCMP;
2661 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2662 ieee->group_key_type = KEY_TYPE_TKIP;
2663 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2664 if (ipw->u.crypt.key_len == 13)
2665 ieee->group_key_type =
2666 KEY_TYPE_WEP104;
2667 else if (ipw->u.crypt.key_len == 5)
2668 ieee->group_key_type =
2669 KEY_TYPE_WEP40;
2670 } else
2671 ieee->group_key_type = KEY_TYPE_NA;
2672
2673 if (ieee->group_key_type) {
2674 set_swcam(dev, ipw->u.crypt.idx,
2675 ipw->u.crypt.idx,
2676 ieee->group_key_type,
2677 broadcast_addr, 0, key, 0);
2678 setKey(dev, ipw->u.crypt.idx,
2679 ipw->u.crypt.idx,
2680 ieee->group_key_type,
2681 broadcast_addr, 0, key);
2682 }
2683 }
2684 }
2685
2686 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2687 0);
2688 kfree(ipw);
2689 break;
2690 default:
2691 ret = -EOPNOTSUPP;
2692 break;
2693 }
2694
2695 out:
2696 up(&priv->wx_sem);
2697
2698 return ret;
2699 }
2700
2701
rtl8192_interrupt(int irq,void * netdev,struct pt_regs * regs)2702 irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2703 {
2704 struct net_device *dev = (struct net_device *) netdev;
2705 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2706 unsigned long flags;
2707 u32 inta;
2708 u32 intb;
2709 intb = 0;
2710
2711 if (priv->irq_enabled == 0)
2712 goto done;
2713
2714 spin_lock_irqsave(&priv->irq_th_lock, flags);
2715
2716 priv->ops->interrupt_recognized(dev, &inta, &intb);
2717 priv->stats.shints++;
2718
2719 if (!inta) {
2720 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2721 goto done;
2722 }
2723
2724 if (inta == 0xffff) {
2725 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2726 goto done;
2727 }
2728
2729 priv->stats.ints++;
2730
2731 if (!netif_running(dev)) {
2732 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2733 goto done;
2734 }
2735
2736 if (inta & IMR_TBDOK) {
2737 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2738 priv->stats.txbeaconokint++;
2739 }
2740
2741 if (inta & IMR_TBDER) {
2742 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2743 priv->stats.txbeaconerr++;
2744 }
2745
2746 if (inta & IMR_BDOK)
2747 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2748
2749 if (inta & IMR_MGNTDOK) {
2750 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2751 priv->stats.txmanageokint++;
2752 rtl8192_tx_isr(dev, MGNT_QUEUE);
2753 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2754 if (priv->rtllib->ack_tx_to_ieee) {
2755 if (rtl8192_is_tx_queue_empty(dev)) {
2756 priv->rtllib->ack_tx_to_ieee = 0;
2757 rtllib_ps_tx_ack(priv->rtllib, 1);
2758 }
2759 }
2760 spin_lock_irqsave(&priv->irq_th_lock, flags);
2761 }
2762
2763 if (inta & IMR_COMDOK) {
2764 priv->stats.txcmdpktokint++;
2765 rtl8192_tx_isr(dev, TXCMD_QUEUE);
2766 }
2767
2768 if (inta & IMR_HIGHDOK)
2769 rtl8192_tx_isr(dev, HIGH_QUEUE);
2770
2771 if (inta & IMR_ROK) {
2772 priv->stats.rxint++;
2773 priv->InterruptLog.nIMR_ROK++;
2774 tasklet_schedule(&priv->irq_rx_tasklet);
2775 }
2776
2777 if (inta & IMR_BcnInt) {
2778 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2779 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2780 }
2781
2782 if (inta & IMR_RDU) {
2783 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2784 priv->stats.rxrdu++;
2785 write_nic_dword(dev, INTA_MASK,
2786 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2787 tasklet_schedule(&priv->irq_rx_tasklet);
2788 }
2789
2790 if (inta & IMR_RXFOVW) {
2791 RT_TRACE(COMP_INTR, "rx overflow !\n");
2792 priv->stats.rxoverflow++;
2793 tasklet_schedule(&priv->irq_rx_tasklet);
2794 }
2795
2796 if (inta & IMR_TXFOVW)
2797 priv->stats.txoverflow++;
2798
2799 if (inta & IMR_BKDOK) {
2800 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2801 priv->stats.txbkokint++;
2802 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2803 rtl8192_tx_isr(dev, BK_QUEUE);
2804 }
2805
2806 if (inta & IMR_BEDOK) {
2807 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2808 priv->stats.txbeokint++;
2809 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2810 rtl8192_tx_isr(dev, BE_QUEUE);
2811 }
2812
2813 if (inta & IMR_VIDOK) {
2814 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2815 priv->stats.txviokint++;
2816 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2817 rtl8192_tx_isr(dev, VI_QUEUE);
2818 }
2819
2820 if (inta & IMR_VODOK) {
2821 priv->stats.txvookint++;
2822 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2823 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2824 rtl8192_tx_isr(dev, VO_QUEUE);
2825 }
2826
2827 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2828
2829 done:
2830
2831 return IRQ_HANDLED;
2832 }
2833
2834
2835
2836 /****************************************************************************
2837 ---------------------------- PCI_STUFF---------------------------
2838 *****************************************************************************/
2839 static const struct net_device_ops rtl8192_netdev_ops = {
2840 .ndo_open = rtl8192_open,
2841 .ndo_stop = rtl8192_close,
2842 .ndo_tx_timeout = rtl8192_tx_timeout,
2843 .ndo_do_ioctl = rtl8192_ioctl,
2844 .ndo_set_rx_mode = r8192_set_multicast,
2845 .ndo_set_mac_address = r8192_set_mac_adr,
2846 .ndo_validate_addr = eth_validate_addr,
2847 .ndo_change_mtu = eth_change_mtu,
2848 .ndo_start_xmit = rtllib_xmit,
2849 };
2850
rtl8192_pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)2851 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
2852 const struct pci_device_id *id)
2853 {
2854 unsigned long ioaddr = 0;
2855 struct net_device *dev = NULL;
2856 struct r8192_priv *priv = NULL;
2857 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2858 unsigned long pmem_start, pmem_len, pmem_flags;
2859 int err = -ENOMEM;
2860 bool bdma64 = false;
2861 u8 revision_id;
2862
2863 RT_TRACE(COMP_INIT, "Configuring chip resources");
2864
2865 if (pci_enable_device(pdev)) {
2866 RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2867 return -EIO;
2868 }
2869
2870 pci_set_master(pdev);
2871
2872 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2873 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2874 printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n");
2875 goto err_pci_disable;
2876 }
2877 }
2878 dev = alloc_rtllib(sizeof(struct r8192_priv));
2879 if (!dev)
2880 goto err_pci_disable;
2881
2882 err = -ENODEV;
2883 if (bdma64)
2884 dev->features |= NETIF_F_HIGHDMA;
2885
2886 pci_set_drvdata(pdev, dev);
2887 SET_NETDEV_DEV(dev, &pdev->dev);
2888 priv = rtllib_priv(dev);
2889 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2890 priv->pdev = pdev;
2891 priv->rtllib->pdev = pdev;
2892 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2893 (pdev->subsystem_device == 0x3304))
2894 priv->rtllib->bSupportRemoteWakeUp = 1;
2895 else
2896 priv->rtllib->bSupportRemoteWakeUp = 0;
2897
2898 pmem_start = pci_resource_start(pdev, 1);
2899 pmem_len = pci_resource_len(pdev, 1);
2900 pmem_flags = pci_resource_flags(pdev, 1);
2901
2902 if (!(pmem_flags & IORESOURCE_MEM)) {
2903 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2904 goto err_rel_rtllib;
2905 }
2906
2907 printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start);
2908 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2909 RT_TRACE(COMP_ERR, "request_mem_region failed!");
2910 goto err_rel_rtllib;
2911 }
2912
2913
2914 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2915 if (ioaddr == (unsigned long)NULL) {
2916 RT_TRACE(COMP_ERR, "ioremap failed!");
2917 goto err_rel_mem;
2918 }
2919
2920 dev->mem_start = ioaddr;
2921 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2922
2923 pci_read_config_byte(pdev, 0x08, &revision_id);
2924 /* If the revisionid is 0x10, the device uses rtl8192se. */
2925 if (pdev->device == 0x8192 && revision_id == 0x10)
2926 goto err_rel_mem;
2927
2928 priv->ops = ops;
2929
2930 if (rtl8192_pci_findadapter(pdev, dev) == false)
2931 goto err_rel_mem;
2932
2933 dev->irq = pdev->irq;
2934 priv->irq = 0;
2935
2936 dev->netdev_ops = &rtl8192_netdev_ops;
2937
2938 dev->wireless_handlers = (struct iw_handler_def *)
2939 &r8192_wx_handlers_def;
2940 dev->ethtool_ops = &rtl819x_ethtool_ops;
2941
2942 dev->type = ARPHRD_ETHER;
2943 dev->watchdog_timeo = HZ * 3;
2944
2945 if (dev_alloc_name(dev, ifname) < 0) {
2946 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2947 "wlan%%d...\n");
2948 dev_alloc_name(dev, ifname);
2949 }
2950
2951 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2952 if (rtl8192_init(dev) != 0) {
2953 RT_TRACE(COMP_ERR, "Initialization failed");
2954 goto err_free_irq;
2955 }
2956
2957 netif_carrier_off(dev);
2958 netif_stop_queue(dev);
2959
2960 register_netdev(dev);
2961 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2962
2963 rtl8192_proc_init_one(dev);
2964
2965 if (priv->polling_timer_on == 0)
2966 check_rfctrl_gpio_timer((unsigned long)dev);
2967
2968 RT_TRACE(COMP_INIT, "Driver probe completed\n");
2969 return 0;
2970
2971 err_free_irq:
2972 free_irq(dev->irq, dev);
2973 priv->irq = 0;
2974 err_rel_mem:
2975 release_mem_region(pmem_start, pmem_len);
2976 err_rel_rtllib:
2977 free_rtllib(dev);
2978
2979 DMESG("wlan driver load failed\n");
2980 pci_set_drvdata(pdev, NULL);
2981 err_pci_disable:
2982 pci_disable_device(pdev);
2983 return err;
2984 }
2985
rtl8192_pci_disconnect(struct pci_dev * pdev)2986 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
2987 {
2988 struct net_device *dev = pci_get_drvdata(pdev);
2989 struct r8192_priv *priv ;
2990 u32 i;
2991
2992 if (dev) {
2993 unregister_netdev(dev);
2994
2995 priv = rtllib_priv(dev);
2996
2997 del_timer_sync(&priv->gpio_polling_timer);
2998 cancel_delayed_work(&priv->gpio_change_rf_wq);
2999 priv->polling_timer_on = 0;
3000 rtl8192_proc_remove_one(dev);
3001 rtl8192_down(dev, true);
3002 deinit_hal_dm(dev);
3003 if (priv->pFirmware) {
3004 vfree(priv->pFirmware);
3005 priv->pFirmware = NULL;
3006 }
3007 destroy_workqueue(priv->priv_wq);
3008 rtl8192_free_rx_ring(dev);
3009 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3010 rtl8192_free_tx_ring(dev, i);
3011
3012 if (priv->irq) {
3013 printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3014 free_irq(dev->irq, dev);
3015 priv->irq = 0;
3016 }
3017 free_rtllib(dev);
3018
3019 kfree(priv->scan_cmd);
3020
3021 if (dev->mem_start != 0) {
3022 iounmap((void __iomem *)dev->mem_start);
3023 release_mem_region(pci_resource_start(pdev, 1),
3024 pci_resource_len(pdev, 1));
3025 }
3026 } else {
3027 priv = rtllib_priv(dev);
3028 }
3029
3030 pci_disable_device(pdev);
3031 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3032 }
3033
NicIFEnableNIC(struct net_device * dev)3034 bool NicIFEnableNIC(struct net_device *dev)
3035 {
3036 bool init_status = true;
3037 struct r8192_priv *priv = rtllib_priv(dev);
3038 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3039 (&(priv->rtllib->PowerSaveControl));
3040
3041 if (IS_NIC_DOWN(priv)) {
3042 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3043 __func__);
3044 priv->bdisable_nic = false;
3045 return RT_STATUS_FAILURE;
3046 }
3047
3048 RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3049 priv->bfirst_init = true;
3050 init_status = priv->ops->initialize_adapter(dev);
3051 if (init_status != true) {
3052 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3053 __func__);
3054 priv->bdisable_nic = false;
3055 return -1;
3056 }
3057 RT_TRACE(COMP_INIT, "start adapter finished\n");
3058 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3059 priv->bfirst_init = false;
3060
3061 rtl8192_irq_enable(dev);
3062 priv->bdisable_nic = false;
3063 RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3064 return init_status;
3065 }
NicIFDisableNIC(struct net_device * dev)3066 bool NicIFDisableNIC(struct net_device *dev)
3067 {
3068 bool status = true;
3069 struct r8192_priv *priv = rtllib_priv(dev);
3070 u8 tmp_state = 0;
3071 RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3072 priv->bdisable_nic = true;
3073 tmp_state = priv->rtllib->state;
3074 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3075 priv->rtllib->state = tmp_state;
3076 rtl8192_cancel_deferred_work(priv);
3077 rtl8192_irq_disable(dev);
3078
3079 priv->ops->stop_adapter(dev, false);
3080 RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3081
3082 return status;
3083 }
3084
rtl8192_pci_module_init(void)3085 static int __init rtl8192_pci_module_init(void)
3086 {
3087 printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3088 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3089
3090 rtl8192_proc_module_init();
3091 if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3092 DMESG("No device found");
3093 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3094 return -ENODEV;
3095 }
3096 return 0;
3097 }
3098
rtl8192_pci_module_exit(void)3099 static void __exit rtl8192_pci_module_exit(void)
3100 {
3101 pci_unregister_driver(&rtl8192_pci_driver);
3102
3103 RT_TRACE(COMP_DOWN, "Exiting");
3104 rtl8192_proc_module_remove();
3105 }
3106
check_rfctrl_gpio_timer(unsigned long data)3107 void check_rfctrl_gpio_timer(unsigned long data)
3108 {
3109 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3110
3111 priv->polling_timer_on = 1;
3112
3113 queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3114
3115 mod_timer(&priv->gpio_polling_timer, jiffies +
3116 MSECS(RTLLIB_WATCH_DOG_TIME));
3117 }
3118
3119 /***************************************************************************
3120 ------------------- module init / exit stubs ----------------
3121 ****************************************************************************/
3122 module_init(rtl8192_pci_module_init);
3123 module_exit(rtl8192_pci_module_exit);
3124
3125 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3126 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3127 MODULE_VERSION(DRV_VERSION);
3128 MODULE_LICENSE("GPL");
3129
3130 module_param(ifname, charp, S_IRUGO|S_IWUSR);
3131 module_param(hwwep, int, S_IRUGO|S_IWUSR);
3132 module_param(channels, int, S_IRUGO|S_IWUSR);
3133
3134 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3135 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3136 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
3137