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staging: rtl8192e: Remove dead code involving MOVE_INTO_HANDLER
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rtl8192e / rtl_core.c
blobce0b2ff9273945ffe728d2cbc19ab767172012e3
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 #ifdef CONFIG_PM_RTL
57 #include "rtl_pm.h"
58 #endif
59
60 int hwwep = 1;
61 static int channels = 0x3fff;
62 static char *ifname = "wlan%d";
63
64
65 static struct rtl819x_ops rtl819xp_ops = {
66 .nic_type = NIC_8192E,
67 .get_eeprom_size = rtl8192_get_eeprom_size,
68 .init_adapter_variable = rtl8192_InitializeVariables,
69 .initialize_adapter = rtl8192_adapter_start,
70 .link_change = rtl8192_link_change,
71 .tx_fill_descriptor = rtl8192_tx_fill_desc,
72 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
73 .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
74 .rx_command_packet_handler = NULL,
75 .stop_adapter = rtl8192_halt_adapter,
76 .update_ratr_table = rtl8192_update_ratr_table,
77 .irq_enable = rtl8192_EnableInterrupt,
78 .irq_disable = rtl8192_DisableInterrupt,
79 .irq_clear = rtl8192_ClearInterrupt,
80 .rx_enable = rtl8192_enable_rx,
81 .tx_enable = rtl8192_enable_tx,
82 .interrupt_recognized = rtl8192_interrupt_recognized,
83 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
84 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
85 };
86
87 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
88 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
89 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
90 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
91 {}
92 };
93
94 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
95
96 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
97 const struct pci_device_id *id);
98 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
99
100 static struct pci_driver rtl8192_pci_driver = {
101 .name = DRV_NAME, /* Driver name */
102 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
103 .probe = rtl8192_pci_probe, /* probe fn */
104 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
105 .suspend = rtl8192E_suspend, /* PM suspend fn */
106 .resume = rtl8192E_resume, /* PM resume fn */
107 };
108
109 /****************************************************************************
110 -----------------------------IO STUFF-------------------------
111 *****************************************************************************/
112 static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
113 {
114 bool bReturn = false;
115
116 *pu1bPageMask = 0xfe;
117
118 switch (u4bPage) {
119 case 1: case 2: case 3: case 4:
120 case 8: case 9: case 10: case 12: case 13:
121 bReturn = true;
122 *pu1bPageMask = 0xf0;
123 break;
124
125 default:
126 bReturn = false;
127 break;
128 }
129
130 return bReturn;
131 }
132
133 void write_nic_io_byte(struct net_device *dev, int x, u8 y)
134 {
135 u32 u4bPage = (x >> 8);
136 u8 u1PageMask = 0;
137 bool bIsLegalPage = false;
138
139 if (u4bPage == 0) {
140 outb(y&0xff, dev->base_addr + x);
141
142 } else {
143 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
144 &u1PageMask);
145 if (bIsLegalPage) {
146 u8 u1bPsr = read_nic_io_byte(dev, PSR);
147
148 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
149 (u8)u4bPage));
150 write_nic_io_byte(dev, (x & 0xff), y);
151 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
152 }
153 }
154 }
155
156 void write_nic_io_word(struct net_device *dev, int x, u16 y)
157 {
158 u32 u4bPage = (x >> 8);
159 u8 u1PageMask = 0;
160 bool bIsLegalPage = false;
161
162 if (u4bPage == 0) {
163 outw(y, dev->base_addr + x);
164 } else {
165 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
166 &u1PageMask);
167 if (bIsLegalPage) {
168 u8 u1bPsr = read_nic_io_byte(dev, PSR);
169
170 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
171 (u8)u4bPage));
172 write_nic_io_word(dev, (x & 0xff), y);
173 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
174
175 }
176 }
177 }
178
179 void write_nic_io_dword(struct net_device *dev, int x, u32 y)
180 {
181 u32 u4bPage = (x >> 8);
182 u8 u1PageMask = 0;
183 bool bIsLegalPage = false;
184
185 if (u4bPage == 0) {
186 outl(y, dev->base_addr + x);
187 } else {
188 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
189 &u1PageMask);
190 if (bIsLegalPage) {
191 u8 u1bPsr = read_nic_io_byte(dev, PSR);
192
193 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
194 (u8)u4bPage));
195 write_nic_io_dword(dev, (x & 0xff), y);
196 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
197 }
198 }
199 }
200
201 u8 read_nic_io_byte(struct net_device *dev, int x)
202 {
203 u32 u4bPage = (x >> 8);
204 u8 u1PageMask = 0;
205 bool bIsLegalPage = false;
206 u8 Data = 0;
207
208 if (u4bPage == 0) {
209 return 0xff&inb(dev->base_addr + x);
210 } else {
211 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
212 &u1PageMask);
213 if (bIsLegalPage) {
214 u8 u1bPsr = read_nic_io_byte(dev, PSR);
215
216 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
217 (u8)u4bPage));
218 Data = read_nic_io_byte(dev, (x & 0xff));
219 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
220 }
221 }
222
223 return Data;
224 }
225
226 u16 read_nic_io_word(struct net_device *dev, int x)
227 {
228 u32 u4bPage = (x >> 8);
229 u8 u1PageMask = 0;
230 bool bIsLegalPage = false;
231 u16 Data = 0;
232
233 if (u4bPage == 0) {
234 return inw(dev->base_addr + x);
235 } else {
236 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
237 &u1PageMask);
238 if (bIsLegalPage) {
239 u8 u1bPsr = read_nic_io_byte(dev, PSR);
240
241 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
242 (u8)u4bPage));
243 Data = read_nic_io_word(dev, (x & 0xff));
244 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
245
246 }
247 }
248
249 return Data;
250 }
251
252 u32 read_nic_io_dword(struct net_device *dev, int x)
253 {
254 u32 u4bPage = (x >> 8);
255 u8 u1PageMask = 0;
256 bool bIsLegalPage = false;
257 u32 Data = 0;
258
259 if (u4bPage == 0) {
260 return inl(dev->base_addr + x);
261 } else {
262 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
263 &u1PageMask);
264 if (bIsLegalPage) {
265 u8 u1bPsr = read_nic_io_byte(dev, PSR);
266
267 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
268 (u8)u4bPage));
269 Data = read_nic_io_dword(dev, (x & 0xff));
270 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
271
272 }
273 }
274
275 return Data;
276 }
277
278 u8 read_nic_byte(struct net_device *dev, int x)
279 {
280 return 0xff & readb((u8 __iomem *)dev->mem_start + x);
281 }
282
283 u32 read_nic_dword(struct net_device *dev, int x)
284 {
285 return readl((u8 __iomem *)dev->mem_start + x);
286 }
287
288 u16 read_nic_word(struct net_device *dev, int x)
289 {
290 return readw((u8 __iomem *)dev->mem_start + x);
291 }
292
293 void write_nic_byte(struct net_device *dev, int x, u8 y)
294 {
295 writeb(y, (u8 __iomem *)dev->mem_start + x);
296
297 udelay(20);
298 }
299
300 void write_nic_dword(struct net_device *dev, int x, u32 y)
301 {
302 writel(y, (u8 __iomem *)dev->mem_start + x);
303
304 udelay(20);
305 }
306
307 void write_nic_word(struct net_device *dev, int x, u16 y)
308 {
309 writew(y, (u8 __iomem *)dev->mem_start + x);
310
311 udelay(20);
312 }
313
314 /****************************************************************************
315 -----------------------------GENERAL FUNCTION-------------------------
316 *****************************************************************************/
317 bool MgntActSet_RF_State(struct net_device *dev,
318 enum rt_rf_power_state StateToSet,
319 RT_RF_CHANGE_SOURCE ChangeSource,
320 bool ProtectOrNot)
321 {
322 struct r8192_priv *priv = rtllib_priv(dev);
323 struct rtllib_device *ieee = priv->rtllib;
324 bool bActionAllowed = false;
325 bool bConnectBySSID = false;
326 enum rt_rf_power_state rtState;
327 u16 RFWaitCounter = 0;
328 unsigned long flag;
329 RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): "
330 "StateToSet(%d)\n", StateToSet);
331
332 ProtectOrNot = false;
333
334
335 if (!ProtectOrNot) {
336 while (true) {
337 spin_lock_irqsave(&priv->rf_ps_lock, flag);
338 if (priv->RFChangeInProgress) {
339 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
340 RT_TRACE((COMP_PS | COMP_RF),
341 "MgntActSet_RF_State(): RF Change in "
342 "progress! Wait to set..StateToSet"
343 "(%d).\n", StateToSet);
344
345 while (priv->RFChangeInProgress) {
346 RFWaitCounter++;
347 RT_TRACE((COMP_PS | COMP_RF),
348 "MgntActSet_RF_State(): Wait 1"
349 " ms (%d times)...\n",
350 RFWaitCounter);
351 mdelay(1);
352
353 if (RFWaitCounter > 100) {
354 RT_TRACE(COMP_ERR, "MgntActSet_"
355 "RF_State(): Wait too "
356 "logn to set RF\n");
357 return false;
358 }
359 }
360 } else {
361 priv->RFChangeInProgress = true;
362 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
363 break;
364 }
365 }
366 }
367
368 rtState = priv->rtllib->eRFPowerState;
369
370 switch (StateToSet) {
371 case eRfOn:
372 priv->rtllib->RfOffReason &= (~ChangeSource);
373
374 if ((ChangeSource == RF_CHANGE_BY_HW) &&
375 (priv->bHwRadioOff == true))
376 priv->bHwRadioOff = false;
377
378 if (!priv->rtllib->RfOffReason) {
379 priv->rtllib->RfOffReason = 0;
380 bActionAllowed = true;
381
382
383 if (rtState == eRfOff &&
384 ChangeSource >= RF_CHANGE_BY_HW)
385 bConnectBySSID = true;
386 } else {
387 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - "
388 "eRfon reject pMgntInfo->RfOffReason= 0x%x,"
389 " ChangeSource=0x%X\n",
390 priv->rtllib->RfOffReason, ChangeSource);
391 }
392
393 break;
394
395 case eRfOff:
396
397 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
398 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
399 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
400 (ChangeSource > RF_CHANGE_BY_IPS)) {
401 if (ieee->state == RTLLIB_LINKED)
402 priv->blinked_ingpio = true;
403 else
404 priv->blinked_ingpio = false;
405 rtllib_MgntDisconnect(priv->rtllib,
406 disas_lv_ss);
407 }
408 }
409 if ((ChangeSource == RF_CHANGE_BY_HW) &&
410 (priv->bHwRadioOff == false))
411 priv->bHwRadioOff = true;
412 priv->rtllib->RfOffReason |= ChangeSource;
413 bActionAllowed = true;
414 break;
415
416 case eRfSleep:
417 priv->rtllib->RfOffReason |= ChangeSource;
418 bActionAllowed = true;
419 break;
420
421 default:
422 break;
423 }
424
425 if (bActionAllowed) {
426 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is"
427 " allowed.... StateToSet(%d), RfOffReason(%#X)\n",
428 StateToSet, priv->rtllib->RfOffReason);
429 PHY_SetRFPowerState(dev, StateToSet);
430 if (StateToSet == eRfOn) {
431
432 if (bConnectBySSID && (priv->blinked_ingpio == true)) {
433 queue_delayed_work_rsl(ieee->wq,
434 &ieee->associate_procedure_wq, 0);
435 priv->blinked_ingpio = false;
436 }
437 }
438 } else {
439 RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): "
440 "Action is rejected.... StateToSet(%d), ChangeSource"
441 "(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource,
442 priv->rtllib->RfOffReason);
443 }
444
445 if (!ProtectOrNot) {
446 spin_lock_irqsave(&priv->rf_ps_lock, flag);
447 priv->RFChangeInProgress = false;
448 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
449 }
450
451 RT_TRACE((COMP_PS && COMP_RF), "<===MgntActSet_RF_State()\n");
452 return bActionAllowed;
453 }
454
455
456 static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
457 {
458 struct r8192_priv *priv = rtllib_priv(dev);
459 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
460
461 /* For now, we reserved two free descriptor as a safety boundary
462 * between the tail and the head
463 */
464 if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
465 RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d "
466 "queue_len=%d---------\n", prio, ring->idx,
467 skb_queue_len(&ring->queue));
468 return skb_queue_len(&ring->queue);
469 }
470
471 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
472 {
473 struct r8192_priv *priv = rtllib_priv(dev);
474 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
475
476 if (ring->entries - skb_queue_len(&ring->queue) >= 2)
477 return 1;
478 return 0;
479 }
480
481 void rtl8192_tx_timeout(struct net_device *dev)
482 {
483 struct r8192_priv *priv = rtllib_priv(dev);
484
485 schedule_work(&priv->reset_wq);
486 printk(KERN_INFO "TXTIMEOUT");
487 }
488
489 void rtl8192_irq_enable(struct net_device *dev)
490 {
491 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
492 priv->irq_enabled = 1;
493
494 priv->ops->irq_enable(dev);
495 }
496
497 void rtl8192_irq_disable(struct net_device *dev)
498 {
499 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
500
501 priv->ops->irq_disable(dev);
502
503 priv->irq_enabled = 0;
504 }
505
506 void rtl8192_set_chan(struct net_device *dev, short ch)
507 {
508 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
509
510 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
511 if (priv->chan_forced)
512 return;
513
514 priv->chan = ch;
515
516 if (priv->rf_set_chan)
517 priv->rf_set_chan(dev, priv->chan);
518 }
519
520 void rtl8192_update_cap(struct net_device *dev, u16 cap)
521 {
522 struct r8192_priv *priv = rtllib_priv(dev);
523 struct rtllib_network *net = &priv->rtllib->current_network;
524 bool ShortPreamble;
525
526 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
527 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
528 ShortPreamble = true;
529 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
530 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_"
531 "PREAMBLE\n", __func__);
532 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
533 (unsigned char *)&ShortPreamble);
534 }
535 } else {
536 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
537 ShortPreamble = false;
538 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
539 RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_"
540 "PREAMBLE\n", __func__);
541 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
542 (unsigned char *)&ShortPreamble);
543 }
544 }
545
546 if (net->mode & (IEEE_G|IEEE_N_24G)) {
547 u8 slot_time_val;
548 u8 CurSlotTime = priv->slot_time;
549
550 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
551 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
552 if (CurSlotTime != SHORT_SLOT_TIME) {
553 slot_time_val = SHORT_SLOT_TIME;
554 priv->rtllib->SetHwRegHandler(dev,
555 HW_VAR_SLOT_TIME, &slot_time_val);
556 }
557 } else {
558 if (CurSlotTime != NON_SHORT_SLOT_TIME) {
559 slot_time_val = NON_SHORT_SLOT_TIME;
560 priv->rtllib->SetHwRegHandler(dev,
561 HW_VAR_SLOT_TIME, &slot_time_val);
562 }
563 }
564 }
565 }
566
567 static struct rtllib_qos_parameters def_qos_parameters = {
568 {3, 3, 3, 3},
569 {7, 7, 7, 7},
570 {2, 2, 2, 2},
571 {0, 0, 0, 0},
572 {0, 0, 0, 0}
573 };
574
575 static void rtl8192_update_beacon(void *data)
576 {
577 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
578 update_beacon_wq.work);
579 struct net_device *dev = priv->rtllib->dev;
580 struct rtllib_device *ieee = priv->rtllib;
581 struct rtllib_network *net = &ieee->current_network;
582
583 if (ieee->pHTInfo->bCurrentHTSupport)
584 HTUpdateSelfAndPeerSetting(ieee, net);
585 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
586 net->bssht.bdRT2RTLongSlotTime;
587 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
588 rtl8192_update_cap(dev, net->capability);
589 }
590
591 int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
592
593 static void rtl8192_qos_activate(void *data)
594 {
595 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
596 qos_activate);
597 struct net_device *dev = priv->rtllib->dev;
598 int i;
599
600 if (priv == NULL)
601 return;
602
603 mutex_lock(&priv->mutex);
604 if (priv->rtllib->state != RTLLIB_LINKED)
605 goto success;
606 RT_TRACE(COMP_QOS, "qos active process with associate response "
607 "received\n");
608
609 for (i = 0; i < QOS_QUEUE_NUM; i++) {
610 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
611 }
612
613 success:
614 mutex_unlock(&priv->mutex);
615 }
616
617 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
618 int active_network,
619 struct rtllib_network *network)
620 {
621 int ret = 0;
622 u32 size = sizeof(struct rtllib_qos_parameters);
623
624 if (priv->rtllib->state != RTLLIB_LINKED)
625 return ret;
626
627 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
628 return ret;
629
630 if (network->flags & NETWORK_HAS_QOS_MASK) {
631 if (active_network &&
632 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
633 network->qos_data.active = network->qos_data.supported;
634
635 if ((network->qos_data.active == 1) && (active_network == 1) &&
636 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
637 (network->qos_data.old_param_count !=
638 network->qos_data.param_count)) {
639 network->qos_data.old_param_count =
640 network->qos_data.param_count;
641 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
642 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
643 RT_TRACE(COMP_QOS, "QoS parameters change call "
644 "qos_activate\n");
645 }
646 } else {
647 memcpy(&priv->rtllib->current_network.qos_data.parameters,
648 &def_qos_parameters, size);
649
650 if ((network->qos_data.active == 1) && (active_network == 1)) {
651 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
652 RT_TRACE(COMP_QOS, "QoS was disabled call qos_"
653 "activate\n");
654 }
655 network->qos_data.active = 0;
656 network->qos_data.supported = 0;
657 }
658
659 return 0;
660 }
661
662 static int rtl8192_handle_beacon(struct net_device *dev,
663 struct rtllib_beacon *beacon,
664 struct rtllib_network *network)
665 {
666 struct r8192_priv *priv = rtllib_priv(dev);
667
668 rtl8192_qos_handle_probe_response(priv, 1, network);
669
670 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
671 return 0;
672
673 }
674
675 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
676 struct rtllib_network *network)
677 {
678 int ret = 0;
679 unsigned long flags;
680 u32 size = sizeof(struct rtllib_qos_parameters);
681 int set_qos_param = 0;
682
683 if ((priv == NULL) || (network == NULL))
684 return ret;
685
686 if (priv->rtllib->state != RTLLIB_LINKED)
687 return ret;
688
689 if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
690 return ret;
691
692 spin_lock_irqsave(&priv->rtllib->lock, flags);
693 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
694 memcpy(&priv->rtllib->current_network.qos_data.parameters,
695 &network->qos_data.parameters,
696 sizeof(struct rtllib_qos_parameters));
697 priv->rtllib->current_network.qos_data.active = 1;
698 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
699 set_qos_param = 1;
700 priv->rtllib->current_network.qos_data.old_param_count =
701 priv->rtllib->current_network.qos_data.param_count;
702 priv->rtllib->current_network.qos_data.param_count =
703 network->qos_data.param_count;
704 } else {
705 memcpy(&priv->rtllib->current_network.qos_data.parameters,
706 &def_qos_parameters, size);
707 priv->rtllib->current_network.qos_data.active = 0;
708 priv->rtllib->current_network.qos_data.supported = 0;
709 set_qos_param = 1;
710 }
711
712 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
713
714 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
715 network->flags, priv->rtllib->current_network.qos_data.active);
716 if (set_qos_param == 1) {
717 dm_init_edca_turbo(priv->rtllib->dev);
718 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
719 }
720 return ret;
721 }
722
723 static int rtl8192_handle_assoc_response(struct net_device *dev,
724 struct rtllib_assoc_response_frame *resp,
725 struct rtllib_network *network)
726 {
727 struct r8192_priv *priv = rtllib_priv(dev);
728 rtl8192_qos_association_resp(priv, network);
729 return 0;
730 }
731
732 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
733 {
734 struct net_device *dev = priv->rtllib->dev;
735 struct sk_buff *pskb = NULL, *pnewskb = NULL;
736 struct cb_desc *tcb_desc = NULL;
737 struct rtl8192_tx_ring *ring = NULL;
738 struct tx_desc *pdesc = NULL;
739
740 ring = &priv->tx_ring[BEACON_QUEUE];
741 pskb = __skb_dequeue(&ring->queue);
742 if (pskb)
743 kfree_skb(pskb);
744
745 pnewskb = rtllib_get_beacon(priv->rtllib);
746 if (!pnewskb)
747 return;
748
749 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
750 tcb_desc->queue_index = BEACON_QUEUE;
751 tcb_desc->data_rate = 2;
752 tcb_desc->RATRIndex = 7;
753 tcb_desc->bTxDisableRateFallBack = 1;
754 tcb_desc->bTxUseDriverAssingedRate = 1;
755 skb_push(pnewskb, priv->rtllib->tx_headroom);
756
757 pdesc = &ring->desc[0];
758 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
759 __skb_queue_tail(&ring->queue, pnewskb);
760 pdesc->OWN = 1;
761
762 return;
763 }
764
765 static void rtl8192_stop_beacon(struct net_device *dev)
766 {
767 }
768
769 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
770 {
771 struct r8192_priv *priv = rtllib_priv(dev);
772 struct rtllib_network *net;
773 u8 i = 0, basic_rate = 0;
774 net = &priv->rtllib->current_network;
775
776 for (i = 0; i < net->rates_len; i++) {
777 basic_rate = net->rates[i] & 0x7f;
778 switch (basic_rate) {
779 case MGN_1M:
780 *rate_config |= RRSR_1M;
781 break;
782 case MGN_2M:
783 *rate_config |= RRSR_2M;
784 break;
785 case MGN_5_5M:
786 *rate_config |= RRSR_5_5M;
787 break;
788 case MGN_11M:
789 *rate_config |= RRSR_11M;
790 break;
791 case MGN_6M:
792 *rate_config |= RRSR_6M;
793 break;
794 case MGN_9M:
795 *rate_config |= RRSR_9M;
796 break;
797 case MGN_12M:
798 *rate_config |= RRSR_12M;
799 break;
800 case MGN_18M:
801 *rate_config |= RRSR_18M;
802 break;
803 case MGN_24M:
804 *rate_config |= RRSR_24M;
805 break;
806 case MGN_36M:
807 *rate_config |= RRSR_36M;
808 break;
809 case MGN_48M:
810 *rate_config |= RRSR_48M;
811 break;
812 case MGN_54M:
813 *rate_config |= RRSR_54M;
814 break;
815 }
816 }
817
818 for (i = 0; i < net->rates_ex_len; i++) {
819 basic_rate = net->rates_ex[i] & 0x7f;
820 switch (basic_rate) {
821 case MGN_1M:
822 *rate_config |= RRSR_1M;
823 break;
824 case MGN_2M:
825 *rate_config |= RRSR_2M;
826 break;
827 case MGN_5_5M:
828 *rate_config |= RRSR_5_5M;
829 break;
830 case MGN_11M:
831 *rate_config |= RRSR_11M;
832 break;
833 case MGN_6M:
834 *rate_config |= RRSR_6M;
835 break;
836 case MGN_9M:
837 *rate_config |= RRSR_9M;
838 break;
839 case MGN_12M:
840 *rate_config |= RRSR_12M;
841 break;
842 case MGN_18M:
843 *rate_config |= RRSR_18M;
844 break;
845 case MGN_24M:
846 *rate_config |= RRSR_24M;
847 break;
848 case MGN_36M:
849 *rate_config |= RRSR_36M;
850 break;
851 case MGN_48M:
852 *rate_config |= RRSR_48M;
853 break;
854 case MGN_54M:
855 *rate_config |= RRSR_54M;
856 break;
857 }
858 }
859 }
860
861 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
862 {
863 struct rtllib_device *ieee = priv->rtllib;
864 if (ieee->mode == WIRELESS_MODE_N_24G ||
865 ieee->mode == WIRELESS_MODE_N_5G) {
866 memcpy(ieee->Regdot11HTOperationalRateSet,
867 ieee->RegHTSuppRateSet, 16);
868 memcpy(ieee->Regdot11TxHTOperationalRateSet,
869 ieee->RegHTSuppRateSet, 16);
870
871 } else {
872 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
873 }
874 return;
875 }
876
877 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
878 {
879 struct r8192_priv *priv = rtllib_priv(dev);
880 u8 ret = 0;
881
882 switch (priv->rf_chip) {
883 case RF_8225:
884 case RF_8256:
885 case RF_6052:
886 case RF_PSEUDO_11N:
887 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
888 break;
889 case RF_8258:
890 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
891 break;
892 default:
893 ret = WIRELESS_MODE_B;
894 break;
895 }
896 return ret;
897 }
898
899 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
900 {
901 struct r8192_priv *priv = rtllib_priv(dev);
902 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
903
904 if ((wireless_mode == WIRELESS_MODE_AUTO) ||
905 ((wireless_mode & bSupportMode) == 0)) {
906 if (bSupportMode & WIRELESS_MODE_N_24G) {
907 wireless_mode = WIRELESS_MODE_N_24G;
908 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
909 wireless_mode = WIRELESS_MODE_N_5G;
910 } else if ((bSupportMode & WIRELESS_MODE_A)) {
911 wireless_mode = WIRELESS_MODE_A;
912 } else if ((bSupportMode & WIRELESS_MODE_G)) {
913 wireless_mode = WIRELESS_MODE_G;
914 } else if ((bSupportMode & WIRELESS_MODE_B)) {
915 wireless_mode = WIRELESS_MODE_B;
916 } else {
917 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode "
918 "supported (%x)!!!\n", __func__, bSupportMode);
919 wireless_mode = WIRELESS_MODE_B;
920 }
921 }
922
923 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
924 (WIRELESS_MODE_G | WIRELESS_MODE_B))
925 wireless_mode = WIRELESS_MODE_G;
926
927 priv->rtllib->mode = wireless_mode;
928
929 ActUpdateChannelAccessSetting(dev, wireless_mode,
930 &priv->ChannelAccessSetting);
931
932 if ((wireless_mode == WIRELESS_MODE_N_24G) ||
933 (wireless_mode == WIRELESS_MODE_N_5G)) {
934 priv->rtllib->pHTInfo->bEnableHT = 1;
935 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
936 __func__, wireless_mode);
937 } else {
938 priv->rtllib->pHTInfo->bEnableHT = 0;
939 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
940 __func__, wireless_mode);
941 }
942
943 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
944 rtl8192_refresh_supportrate(priv);
945 }
946
947 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
948 {
949 struct r8192_priv *priv = rtllib_priv(dev);
950 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
951 (&(priv->rtllib->PowerSaveControl));
952 bool init_status = true;
953 priv->bDriverIsGoingToUnload = false;
954 priv->bdisable_nic = false;
955
956 priv->up = 1;
957 priv->rtllib->ieee_up = 1;
958
959 priv->up_first_time = 0;
960 RT_TRACE(COMP_INIT, "Bringing up iface");
961 priv->bfirst_init = true;
962 init_status = priv->ops->initialize_adapter(dev);
963 if (init_status != true) {
964 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
965 __func__);
966 priv->bfirst_init = false;
967 return -1;
968 }
969
970 RT_TRACE(COMP_INIT, "start adapter finished\n");
971 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
972 priv->bfirst_init = false;
973
974 if (priv->polling_timer_on == 0)
975 check_rfctrl_gpio_timer((unsigned long)dev);
976
977 if (priv->rtllib->state != RTLLIB_LINKED)
978 rtllib_softmac_start_protocol(priv->rtllib, 0);
979 rtllib_reset_queue(priv->rtllib);
980 watch_dog_timer_callback((unsigned long) dev);
981
982 if (!netif_queue_stopped(dev))
983 netif_start_queue(dev);
984 else
985 netif_wake_queue(dev);
986
987 return 0;
988 }
989
990 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
991 {
992 struct r8192_priv *priv = rtllib_priv(dev);
993 unsigned long flags = 0;
994 u8 RFInProgressTimeOut = 0;
995
996 if (priv->up == 0)
997 return -1;
998
999 if (priv->rtllib->rtllib_ips_leave != NULL)
1000 priv->rtllib->rtllib_ips_leave(dev);
1001
1002 if (priv->rtllib->state == RTLLIB_LINKED)
1003 LeisurePSLeave(dev);
1004
1005 priv->bDriverIsGoingToUnload = true;
1006 priv->up = 0;
1007 priv->rtllib->ieee_up = 0;
1008 priv->bfirst_after_down = 1;
1009 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
1010 if (!netif_queue_stopped(dev))
1011 netif_stop_queue(dev);
1012
1013 priv->rtllib->wpa_ie_len = 0;
1014 kfree(priv->rtllib->wpa_ie);
1015 priv->rtllib->wpa_ie = NULL;
1016 CamResetAllEntry(dev);
1017 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1018 rtl8192_irq_disable(dev);
1019
1020 del_timer_sync(&priv->watch_dog_timer);
1021 rtl8192_cancel_deferred_work(priv);
1022 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1023
1024 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1025 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1026 while (priv->RFChangeInProgress) {
1027 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1028 if (RFInProgressTimeOut > 100) {
1029 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1030 break;
1031 }
1032 RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait "
1033 "until rf chang is done.\n", __func__);
1034 mdelay(1);
1035 RFInProgressTimeOut++;
1036 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1037 }
1038 priv->RFChangeInProgress = true;
1039 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1040 priv->ops->stop_adapter(dev, false);
1041 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1042 priv->RFChangeInProgress = false;
1043 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1044 udelay(100);
1045 memset(&priv->rtllib->current_network, 0,
1046 offsetof(struct rtllib_network, list));
1047 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1048
1049 return 0;
1050 }
1051
1052 static void rtl8192_init_priv_handler(struct net_device *dev)
1053 {
1054 struct r8192_priv *priv = rtllib_priv(dev);
1055
1056 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1057 priv->rtllib->set_chan = rtl8192_set_chan;
1058 priv->rtllib->link_change = priv->ops->link_change;
1059 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1060 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1061 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1062 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1063 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1064 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1065 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1066 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1067 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1068 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1069 priv->rf_set_chan = rtl8192_phy_SwChnl;
1070
1071 priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1072 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1073
1074 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1075 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1076 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1077
1078 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1079 priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1080 rtl8192_GetHalfNmodeSupportByAPs;
1081
1082 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1083 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1084 priv->rtllib->SetFwCmdHandler = NULL;
1085 priv->rtllib->InitialGainHandler = InitialGain819xPci;
1086 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1087 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1088
1089 priv->rtllib->LedControlHandler = NULL;
1090 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1091
1092 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1093
1094 priv->rtllib->rtllib_rfkill_poll = NULL;
1095 }
1096
1097 static void rtl8192_init_priv_constant(struct net_device *dev)
1098 {
1099 struct r8192_priv *priv = rtllib_priv(dev);
1100 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1101 &(priv->rtllib->PowerSaveControl);
1102
1103 pPSC->RegMaxLPSAwakeIntvl = 5;
1104
1105 priv->RegPciASPM = 2;
1106
1107 priv->RegDevicePciASPMSetting = 0x03;
1108
1109 priv->RegHostPciASPMSetting = 0x02;
1110
1111 priv->RegHwSwRfOffD3 = 2;
1112
1113 priv->RegSupportPciASPM = 2;
1114 }
1115
1116
1117 static void rtl8192_init_priv_variable(struct net_device *dev)
1118 {
1119 struct r8192_priv *priv = rtllib_priv(dev);
1120 u8 i;
1121
1122 priv->AcmMethod = eAcmWay2_SW;
1123 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1124 priv->rtllib->hwscan_sem_up = 1;
1125 priv->rtllib->status = 0;
1126 priv->H2CTxCmdSeq = 0;
1127 priv->bDisableFrameBursting = 0;
1128 priv->bDMInitialGainEnable = 1;
1129 priv->polling_timer_on = 0;
1130 priv->up_first_time = 1;
1131 priv->blinked_ingpio = false;
1132 priv->bDriverIsGoingToUnload = false;
1133 priv->being_init_adapter = false;
1134 priv->initialized_at_probe = false;
1135 priv->sw_radio_on = true;
1136 priv->bdisable_nic = false;
1137 priv->bfirst_init = false;
1138 priv->txringcount = 64;
1139 priv->rxbuffersize = 9100;
1140 priv->rxringcount = MAX_RX_COUNT;
1141 priv->irq_enabled = 0;
1142 priv->chan = 1;
1143 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1144 priv->RegChannelPlan = 0xf;
1145 priv->nrxAMPDU_size = 0;
1146 priv->nrxAMPDU_aggr_num = 0;
1147 priv->last_rxdesc_tsf_high = 0;
1148 priv->last_rxdesc_tsf_low = 0;
1149 priv->rtllib->mode = WIRELESS_MODE_AUTO;
1150 priv->rtllib->iw_mode = IW_MODE_INFRA;
1151 priv->rtllib->bNetPromiscuousMode = false;
1152 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1153 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1154 false;
1155 priv->rtllib->ieee_up = 0;
1156 priv->retry_rts = DEFAULT_RETRY_RTS;
1157 priv->retry_data = DEFAULT_RETRY_DATA;
1158 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1159 priv->rtllib->rate = 110;
1160 priv->rtllib->short_slot = 1;
1161 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1162 priv->bcck_in_ch14 = false;
1163 priv->bfsync_processing = false;
1164 priv->CCKPresentAttentuation = 0;
1165 priv->rfa_txpowertrackingindex = 0;
1166 priv->rfc_txpowertrackingindex = 0;
1167 priv->CckPwEnl = 6;
1168 priv->ScanDelay = 50;
1169 priv->ResetProgress = RESET_TYPE_NORESET;
1170 priv->bForcedSilentReset = 0;
1171 priv->bDisableNormalResetCheck = false;
1172 priv->force_reset = false;
1173 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1174
1175 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1176 priv->RxCounter = 0;
1177 priv->rtllib->wx_set_enc = 0;
1178 priv->bHwRadioOff = false;
1179 priv->RegRfOff = 0;
1180 priv->isRFOff = false;
1181 priv->bInPowerSaveMode = false;
1182 priv->rtllib->RfOffReason = 0;
1183 priv->RFChangeInProgress = false;
1184 priv->bHwRfOffAction = 0;
1185 priv->SetRFPowerStateInProgress = false;
1186 priv->rtllib->PowerSaveControl.bInactivePs = true;
1187 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1188 priv->rtllib->PowerSaveControl.bLeisurePs = true;
1189 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1190 priv->rtllib->LPSDelayCnt = 0;
1191 priv->rtllib->sta_sleep = LPS_IS_WAKE;
1192 priv->rtllib->eRFPowerState = eRfOn;
1193
1194 priv->txpower_checkcnt = 0;
1195 priv->thermal_readback_index = 0;
1196 priv->txpower_tracking_callback_cnt = 0;
1197 priv->ccktxpower_adjustcnt_ch14 = 0;
1198 priv->ccktxpower_adjustcnt_not_ch14 = 0;
1199
1200 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1201 priv->rtllib->iw_mode = IW_MODE_INFRA;
1202 priv->rtllib->active_scan = 1;
1203 priv->rtllib->be_scan_inprogress = false;
1204 priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1205 RTLLIB_OFDM_MODULATION;
1206 priv->rtllib->host_encrypt = 1;
1207 priv->rtllib->host_decrypt = 1;
1208
1209 priv->rtllib->dot11PowerSaveMode = eActive;
1210 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1211 priv->rtllib->MaxMssDensity = 0;
1212 priv->rtllib->MinSpaceCfg = 0;
1213
1214 priv->card_type = PCI;
1215
1216 priv->AcmControl = 0;
1217 priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1218 if (!priv->pFirmware)
1219 printk(KERN_ERR "rtl8193e: Unable to allocate space "
1220 "for firmware\n");
1221
1222 skb_queue_head_init(&priv->rx_queue);
1223 skb_queue_head_init(&priv->skb_queue);
1224
1225 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1226 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1227 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1228 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1229 }
1230
1231 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1232 {
1233 spin_lock_init(&priv->fw_scan_lock);
1234 spin_lock_init(&priv->tx_lock);
1235 spin_lock_init(&priv->irq_lock);
1236 spin_lock_init(&priv->irq_th_lock);
1237 spin_lock_init(&priv->rf_ps_lock);
1238 spin_lock_init(&priv->ps_lock);
1239 spin_lock_init(&priv->rf_lock);
1240 spin_lock_init(&priv->rt_h2c_lock);
1241 sema_init(&priv->wx_sem, 1);
1242 sema_init(&priv->rf_sem, 1);
1243 mutex_init(&priv->mutex);
1244 }
1245
1246 static void rtl8192_init_priv_task(struct net_device *dev)
1247 {
1248 struct r8192_priv *priv = rtllib_priv(dev);
1249
1250 priv->priv_wq = create_workqueue(DRV_NAME);
1251 INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1252 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1253 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1254 (void *)rtl819x_watchdog_wqcallback, dev);
1255 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1256 (void *)dm_txpower_trackingcallback, dev);
1257 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1258 (void *)dm_rf_pathcheck_workitemcallback, dev);
1259 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1260 (void *)rtl8192_update_beacon, dev);
1261 INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1262 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1263 (void *) rtl8192_hw_wakeup_wq, dev);
1264 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1265 (void *) rtl8192_hw_sleep_wq, dev);
1266 tasklet_init(&priv->irq_rx_tasklet,
1267 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1268 (unsigned long)priv);
1269 tasklet_init(&priv->irq_tx_tasklet,
1270 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1271 (unsigned long)priv);
1272 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1273 (void(*)(unsigned long))rtl8192_prepare_beacon,
1274 (unsigned long)priv);
1275 }
1276
1277 static short rtl8192_get_channel_map(struct net_device *dev)
1278 {
1279 int i;
1280
1281 struct r8192_priv *priv = rtllib_priv(dev);
1282 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1283 && (priv->rf_chip != RF_6052)) {
1284 RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel "
1285 "map\n", __func__);
1286 return -1;
1287 }
1288
1289 if (priv->ChannelPlan > COUNTRY_CODE_MAX) {
1290 printk(KERN_INFO "rtl819x_init:Error channel plan! Set to "
1291 "default.\n");
1292 priv->ChannelPlan = COUNTRY_CODE_FCC;
1293 }
1294 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1295 Dot11d_Init(priv->rtllib);
1296 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1297 for (i = 1; i <= 11; i++)
1298 (priv->rtllib->active_channel_map)[i] = 1;
1299 (priv->rtllib->active_channel_map)[12] = 2;
1300 (priv->rtllib->active_channel_map)[13] = 2;
1301
1302 return 0;
1303 }
1304
1305 static short rtl8192_init(struct net_device *dev)
1306 {
1307 struct r8192_priv *priv = rtllib_priv(dev);
1308
1309 memset(&(priv->stats), 0, sizeof(struct rt_stats));
1310
1311 rtl8192_dbgp_flag_init(dev);
1312 rtl8192_init_priv_handler(dev);
1313 rtl8192_init_priv_constant(dev);
1314 rtl8192_init_priv_variable(dev);
1315 rtl8192_init_priv_lock(priv);
1316 rtl8192_init_priv_task(dev);
1317 priv->ops->get_eeprom_size(dev);
1318 priv->ops->init_adapter_variable(dev);
1319 rtl8192_get_channel_map(dev);
1320
1321 init_hal_dm(dev);
1322
1323 init_timer(&priv->watch_dog_timer);
1324 setup_timer(&priv->watch_dog_timer,
1325 watch_dog_timer_callback,
1326 (unsigned long) dev);
1327
1328 init_timer(&priv->gpio_polling_timer);
1329 setup_timer(&priv->gpio_polling_timer,
1330 check_rfctrl_gpio_timer,
1331 (unsigned long)dev);
1332
1333 rtl8192_irq_disable(dev);
1334 if (request_irq(dev->irq, (void *)rtl8192_interrupt_rsl, IRQF_SHARED,
1335 dev->name, dev)) {
1336 printk(KERN_ERR "Error allocating IRQ %d", dev->irq);
1337 return -1;
1338 } else {
1339 priv->irq = dev->irq;
1340 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1341 }
1342
1343 if (rtl8192_pci_initdescring(dev) != 0) {
1344 printk(KERN_ERR "Endopoints initialization failed");
1345 return -1;
1346 }
1347
1348 return 0;
1349 }
1350
1351 /***************************************************************************
1352 -------------------------------WATCHDOG STUFF---------------------------
1353 ***************************************************************************/
1354 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1355 {
1356 int i = 0;
1357 struct r8192_priv *priv = rtllib_priv(dev);
1358 for (i = 0; i <= MGNT_QUEUE; i++) {
1359 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1360 continue;
1361 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1362 printk(KERN_INFO "===>tx queue is not empty:%d, %d\n",
1363 i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1364 return 0;
1365 }
1366 }
1367 return 1;
1368 }
1369
1370 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1371 {
1372 struct r8192_priv *priv = rtllib_priv(dev);
1373 u8 QueueID;
1374 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1375 bool bCheckFwTxCnt = false;
1376 struct rtl8192_tx_ring *ring = NULL;
1377 struct sk_buff *skb = NULL;
1378 struct cb_desc *tcb_desc = NULL;
1379 unsigned long flags = 0;
1380
1381 switch (priv->rtllib->ps) {
1382 case RTLLIB_PS_DISABLED:
1383 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1384 break;
1385 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1386 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1387 break;
1388 default:
1389 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1390 break;
1391 }
1392 spin_lock_irqsave(&priv->irq_th_lock, flags);
1393 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1394 if (QueueID == TXCMD_QUEUE)
1395 continue;
1396
1397 if (QueueID == BEACON_QUEUE)
1398 continue;
1399
1400 ring = &priv->tx_ring[QueueID];
1401
1402 if (skb_queue_len(&ring->queue) == 0) {
1403 continue;
1404 } else {
1405 skb = (&ring->queue)->next;
1406 tcb_desc = (struct cb_desc *)(skb->cb +
1407 MAX_DEV_ADDR_SIZE);
1408 tcb_desc->nStuckCount++;
1409 bCheckFwTxCnt = true;
1410 if (tcb_desc->nStuckCount > 1)
1411 printk(KERN_INFO "%s: QueueID=%d tcb_desc->n"
1412 "StuckCount=%d\n", __func__, QueueID,
1413 tcb_desc->nStuckCount);
1414 }
1415 }
1416 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1417
1418 if (bCheckFwTxCnt) {
1419 if (priv->ops->TxCheckStuckHandler(dev)) {
1420 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no"
1421 " Tx condition!\n");
1422 return RESET_TYPE_SILENT;
1423 }
1424 }
1425
1426 return RESET_TYPE_NORESET;
1427 }
1428
1429 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1430 {
1431 struct r8192_priv *priv = rtllib_priv(dev);
1432
1433 if (priv->ops->RxCheckStuckHandler(dev)) {
1434 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1435 return RESET_TYPE_SILENT;
1436 }
1437
1438 return RESET_TYPE_NORESET;
1439 }
1440
1441 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1442 {
1443 struct r8192_priv *priv = rtllib_priv(dev);
1444 enum reset_type TxResetType = RESET_TYPE_NORESET;
1445 enum reset_type RxResetType = RESET_TYPE_NORESET;
1446 enum rt_rf_power_state rfState;
1447
1448 rfState = priv->rtllib->eRFPowerState;
1449
1450 if (rfState == eRfOn)
1451 TxResetType = rtl819x_TxCheckStuck(dev);
1452
1453 if (rfState == eRfOn &&
1454 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1455 (priv->rtllib->state == RTLLIB_LINKED))
1456 RxResetType = rtl819x_RxCheckStuck(dev);
1457
1458 if (TxResetType == RESET_TYPE_NORMAL ||
1459 RxResetType == RESET_TYPE_NORMAL) {
1460 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1461 __func__, TxResetType, RxResetType);
1462 return RESET_TYPE_NORMAL;
1463 } else if (TxResetType == RESET_TYPE_SILENT ||
1464 RxResetType == RESET_TYPE_SILENT) {
1465 printk(KERN_INFO "%s(): TxResetType is %d, RxResetType is %d\n",
1466 __func__, TxResetType, RxResetType);
1467 return RESET_TYPE_SILENT;
1468 } else {
1469 return RESET_TYPE_NORESET;
1470 }
1471
1472 }
1473
1474 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1475 {
1476 }
1477
1478 static void rtl819x_ifsilentreset(struct net_device *dev)
1479 {
1480 struct r8192_priv *priv = rtllib_priv(dev);
1481 u8 reset_times = 0;
1482 int reset_status = 0;
1483 struct rtllib_device *ieee = priv->rtllib;
1484 unsigned long flag;
1485
1486 u8 IsPortal = 0;
1487
1488
1489 if (priv->ResetProgress == RESET_TYPE_NORESET) {
1490
1491 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1492
1493 priv->ResetProgress = RESET_TYPE_SILENT;
1494
1495 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1496 if (priv->RFChangeInProgress) {
1497 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1498 goto END;
1499 }
1500 priv->RFChangeInProgress = true;
1501 priv->bResetInProgress = true;
1502 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1503
1504 RESET_START:
1505
1506 down(&priv->wx_sem);
1507
1508 if (priv->rtllib->state == RTLLIB_LINKED)
1509 LeisurePSLeave(dev);
1510
1511 if (IS_NIC_DOWN(priv)) {
1512 RT_TRACE(COMP_ERR, "%s():the driver is not up! "
1513 "return\n", __func__);
1514 up(&priv->wx_sem);
1515 return ;
1516 }
1517 priv->up = 0;
1518
1519 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1520 __func__);
1521 mdelay(1000);
1522 RT_TRACE(COMP_RESET, "%s():111111111111111111111111======>start"
1523 " to down the driver\n", __func__);
1524
1525 if (!netif_queue_stopped(dev))
1526 netif_stop_queue(dev);
1527
1528 rtl8192_irq_disable(dev);
1529 del_timer_sync(&priv->watch_dog_timer);
1530 rtl8192_cancel_deferred_work(priv);
1531 deinit_hal_dm(dev);
1532 rtllib_stop_scan_syncro(ieee);
1533
1534 if (ieee->state == RTLLIB_LINKED) {
1535 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1536 printk(KERN_INFO "ieee->state is RTLLIB_LINKED\n");
1537 rtllib_stop_send_beacons(priv->rtllib);
1538 del_timer_sync(&ieee->associate_timer);
1539 cancel_delayed_work(&ieee->associate_retry_wq);
1540 rtllib_stop_scan(ieee);
1541 netif_carrier_off(dev);
1542 SEM_UP_IEEE_WX(&ieee->wx_sem);
1543 } else {
1544 printk(KERN_INFO "ieee->state is NOT LINKED\n");
1545 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1546 }
1547
1548 dm_backup_dynamic_mechanism_state(dev);
1549
1550 up(&priv->wx_sem);
1551 RT_TRACE(COMP_RESET, "%s():<==========down process is "
1552 "finished\n", __func__);
1553
1554 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1555 __func__);
1556 reset_status = _rtl8192_up(dev, true);
1557
1558 RT_TRACE(COMP_RESET, "%s():<===========up process is "
1559 "finished\n", __func__);
1560 if (reset_status == -1) {
1561 if (reset_times < 3) {
1562 reset_times++;
1563 goto RESET_START;
1564 } else {
1565 RT_TRACE(COMP_ERR, " ERR!!! %s(): Reset "
1566 "Failed!!\n", __func__);
1567 }
1568 }
1569
1570 ieee->is_silent_reset = 1;
1571
1572 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1573 priv->RFChangeInProgress = false;
1574 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1575
1576 EnableHWSecurityConfig8192(dev);
1577
1578 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1579 IW_MODE_INFRA) {
1580 ieee->set_chan(ieee->dev,
1581 ieee->current_network.channel);
1582
1583 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1584
1585 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1586 IW_MODE_ADHOC) {
1587 ieee->set_chan(ieee->dev,
1588 ieee->current_network.channel);
1589 ieee->link_change(ieee->dev);
1590
1591 notify_wx_assoc_event(ieee);
1592
1593 rtllib_start_send_beacons(ieee);
1594
1595 if (ieee->data_hard_resume)
1596 ieee->data_hard_resume(ieee->dev);
1597 netif_carrier_on(ieee->dev);
1598 } else if (ieee->iw_mode == IW_MODE_MESH) {
1599 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1600 }
1601
1602 CamRestoreAllEntry(dev);
1603 dm_restore_dynamic_mechanism_state(dev);
1604 END:
1605 priv->ResetProgress = RESET_TYPE_NORESET;
1606 priv->reset_count++;
1607
1608 priv->bForcedSilentReset = false;
1609 priv->bResetInProgress = false;
1610
1611 write_nic_byte(dev, UFWP, 1);
1612 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1613 priv->reset_count);
1614 }
1615 }
1616
1617 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1618 u32 *TotalRxDataNum)
1619 {
1620 u16 SlotIndex;
1621 u8 i;
1622
1623 *TotalRxBcnNum = 0;
1624 *TotalRxDataNum = 0;
1625
1626 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1627 (priv->rtllib->LinkDetectInfo.SlotNum);
1628 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1629 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1630 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1631 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1632 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1633 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1634 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1635 }
1636 }
1637
1638
1639 void rtl819x_watchdog_wqcallback(void *data)
1640 {
1641 struct r8192_priv *priv = container_of_dwork_rsl(data,
1642 struct r8192_priv, watch_dog_wq);
1643 struct net_device *dev = priv->rtllib->dev;
1644 struct rtllib_device *ieee = priv->rtllib;
1645 enum reset_type ResetType = RESET_TYPE_NORESET;
1646 static u8 check_reset_cnt;
1647 unsigned long flags;
1648 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1649 (&(priv->rtllib->PowerSaveControl));
1650 bool bBusyTraffic = false;
1651 bool bHigherBusyTraffic = false;
1652 bool bHigherBusyRxTraffic = false;
1653 bool bEnterPS = false;
1654
1655 if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
1656 return;
1657
1658 if (priv->rtllib->state >= RTLLIB_LINKED) {
1659 if (priv->rtllib->CntAfterLink < 2)
1660 priv->rtllib->CntAfterLink++;
1661 } else {
1662 priv->rtllib->CntAfterLink = 0;
1663 }
1664
1665 hal_dm_watchdog(dev);
1666
1667 if (rtllib_act_scanning(priv->rtllib, false) == false) {
1668 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1669 RTLLIB_NOLINK) &&
1670 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1671 (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1672 if ((ieee->PowerSaveControl.ReturnPoint ==
1673 IPS_CALLBACK_NONE) &&
1674 (!ieee->bNetPromiscuousMode)) {
1675 RT_TRACE(COMP_PS, "====================>haha: "
1676 "IPSEnter()\n");
1677 IPSEnter(dev);
1678 }
1679 }
1680 }
1681 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1682 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1683 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1684 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1685 bBusyTraffic = true;
1686
1687
1688 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1689 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1690 bHigherBusyTraffic = true;
1691 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1692 bHigherBusyRxTraffic = true;
1693 else
1694 bHigherBusyRxTraffic = false;
1695 }
1696
1697 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1698 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1699 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1700 bEnterPS = false;
1701 else
1702 bEnterPS = true;
1703
1704 if (ieee->current_network.beacon_interval < 95)
1705 bEnterPS = false;
1706
1707 if (bEnterPS)
1708 LeisurePSEnter(dev);
1709 else
1710 LeisurePSLeave(dev);
1711
1712 } else {
1713 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1714 LeisurePSLeave(dev);
1715 }
1716
1717 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1718 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1719 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1720 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1721
1722 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1723 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1724
1725 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1726 u32 TotalRxBcnNum = 0;
1727 u32 TotalRxDataNum = 0;
1728
1729 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1730
1731 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1732 priv->check_roaming_cnt++;
1733 else
1734 priv->check_roaming_cnt = 0;
1735
1736
1737 if (priv->check_roaming_cnt > 0) {
1738 if (ieee->eRFPowerState == eRfOff)
1739 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1740
1741 printk(KERN_INFO "===>%s(): AP is power off, chan:%d,"
1742 " connect another one\n", __func__, priv->chan);
1743
1744 ieee->state = RTLLIB_ASSOCIATING;
1745
1746 RemovePeerTS(priv->rtllib,
1747 priv->rtllib->current_network.bssid);
1748 ieee->is_roaming = true;
1749 ieee->is_set_key = false;
1750 ieee->link_change(dev);
1751 if (ieee->LedControlHandler)
1752 ieee->LedControlHandler(ieee->dev,
1753 LED_CTL_START_TO_LINK);
1754
1755 notify_wx_assoc_event(ieee);
1756
1757 if (!(ieee->rtllib_ap_sec_type(ieee) &
1758 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1759 queue_delayed_work_rsl(ieee->wq,
1760 &ieee->associate_procedure_wq, 0);
1761
1762 priv->check_roaming_cnt = 0;
1763 }
1764 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1765 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1766
1767 }
1768
1769 spin_lock_irqsave(&priv->tx_lock, flags);
1770 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1771 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1772 ResetType = rtl819x_ifcheck_resetornot(dev);
1773 check_reset_cnt = 3;
1774 }
1775 spin_unlock_irqrestore(&priv->tx_lock, flags);
1776
1777 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1778 priv->ResetProgress = RESET_TYPE_NORMAL;
1779 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1780 return;
1781 }
1782
1783 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1784 ResetType == RESET_TYPE_SILENT)))
1785 rtl819x_ifsilentreset(dev);
1786 priv->force_reset = false;
1787 priv->bForcedSilentReset = false;
1788 priv->bResetInProgress = false;
1789 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1790 }
1791
1792 void watch_dog_timer_callback(unsigned long data)
1793 {
1794 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1795 queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1796 mod_timer(&priv->watch_dog_timer, jiffies +
1797 MSECS(RTLLIB_WATCH_DOG_TIME));
1798 }
1799
1800 /****************************************************************************
1801 ---------------------------- NIC TX/RX STUFF---------------------------
1802 *****************************************************************************/
1803 void rtl8192_rx_enable(struct net_device *dev)
1804 {
1805 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1806 priv->ops->rx_enable(dev);
1807 }
1808
1809 void rtl8192_tx_enable(struct net_device *dev)
1810 {
1811 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1812
1813 priv->ops->tx_enable(dev);
1814
1815 rtllib_reset_queue(priv->rtllib);
1816 }
1817
1818
1819 static void rtl8192_free_rx_ring(struct net_device *dev)
1820 {
1821 struct r8192_priv *priv = rtllib_priv(dev);
1822 int i, rx_queue_idx;
1823
1824 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1825 rx_queue_idx++) {
1826 for (i = 0; i < priv->rxringcount; i++) {
1827 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1828 if (!skb)
1829 continue;
1830
1831 pci_unmap_single(priv->pdev,
1832 *((dma_addr_t *)skb->cb),
1833 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1834 kfree_skb(skb);
1835 }
1836
1837 pci_free_consistent(priv->pdev,
1838 sizeof(*priv->rx_ring[rx_queue_idx]) *
1839 priv->rxringcount,
1840 priv->rx_ring[rx_queue_idx],
1841 priv->rx_ring_dma[rx_queue_idx]);
1842 priv->rx_ring[rx_queue_idx] = NULL;
1843 }
1844 }
1845
1846 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1847 {
1848 struct r8192_priv *priv = rtllib_priv(dev);
1849 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1850
1851 while (skb_queue_len(&ring->queue)) {
1852 struct tx_desc *entry = &ring->desc[ring->idx];
1853 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1854
1855 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1856 skb->len, PCI_DMA_TODEVICE);
1857 kfree_skb(skb);
1858 ring->idx = (ring->idx + 1) % ring->entries;
1859 }
1860
1861 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1862 ring->desc, ring->dma);
1863 ring->desc = NULL;
1864 }
1865
1866 void rtl8192_data_hard_stop(struct net_device *dev)
1867 {
1868 }
1869
1870
1871 void rtl8192_data_hard_resume(struct net_device *dev)
1872 {
1873 }
1874
1875 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1876 int rate)
1877 {
1878 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1879 int ret;
1880 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1881 MAX_DEV_ADDR_SIZE);
1882 u8 queue_index = tcb_desc->queue_index;
1883
1884 if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) ||
1885 priv->bResetInProgress) {
1886 kfree_skb(skb);
1887 return;
1888 }
1889
1890 assert(queue_index != TXCMD_QUEUE);
1891
1892
1893 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1894 skb_push(skb, priv->rtllib->tx_headroom);
1895 ret = rtl8192_tx(dev, skb);
1896 if (ret != 0) {
1897 kfree_skb(skb);
1898 };
1899
1900 if (queue_index != MGNT_QUEUE) {
1901 priv->rtllib->stats.tx_bytes += (skb->len -
1902 priv->rtllib->tx_headroom);
1903 priv->rtllib->stats.tx_packets++;
1904 }
1905
1906
1907 return;
1908 }
1909
1910 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1911 {
1912 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1913 int ret;
1914 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1915 MAX_DEV_ADDR_SIZE);
1916 u8 queue_index = tcb_desc->queue_index;
1917
1918 if (queue_index != TXCMD_QUEUE) {
1919 if ((priv->rtllib->eRFPowerState == eRfOff) ||
1920 IS_NIC_DOWN(priv) || priv->bResetInProgress) {
1921 kfree_skb(skb);
1922 return 0;
1923 }
1924 }
1925
1926 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1927 if (queue_index == TXCMD_QUEUE) {
1928 rtl8192_tx_cmd(dev, skb);
1929 ret = 0;
1930 return ret;
1931 } else {
1932 tcb_desc->RATRIndex = 7;
1933 tcb_desc->bTxDisableRateFallBack = 1;
1934 tcb_desc->bTxUseDriverAssingedRate = 1;
1935 tcb_desc->bTxEnableFwCalcDur = 1;
1936 skb_push(skb, priv->rtllib->tx_headroom);
1937 ret = rtl8192_tx(dev, skb);
1938 if (ret != 0) {
1939 kfree_skb(skb);
1940 };
1941 }
1942
1943
1944
1945 return ret;
1946
1947 }
1948
1949 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1950 {
1951 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1952
1953 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1954
1955 while (skb_queue_len(&ring->queue)) {
1956 struct tx_desc *entry = &ring->desc[ring->idx];
1957 struct sk_buff *skb;
1958
1959 if (prio != BEACON_QUEUE) {
1960 if (entry->OWN)
1961 return;
1962 ring->idx = (ring->idx + 1) % ring->entries;
1963 }
1964
1965 skb = __skb_dequeue(&ring->queue);
1966 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1967 skb->len, PCI_DMA_TODEVICE);
1968
1969 kfree_skb(skb);
1970 }
1971 if (prio != BEACON_QUEUE)
1972 tasklet_schedule(&priv->irq_tx_tasklet);
1973 }
1974
1975 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1976 {
1977 struct r8192_priv *priv = rtllib_priv(dev);
1978 struct rtl8192_tx_ring *ring;
1979 struct tx_desc_cmd *entry;
1980 unsigned int idx;
1981 struct cb_desc *tcb_desc;
1982 unsigned long flags;
1983
1984 spin_lock_irqsave(&priv->irq_th_lock, flags);
1985 ring = &priv->tx_ring[TXCMD_QUEUE];
1986
1987 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1988 entry = (struct tx_desc_cmd *) &ring->desc[idx];
1989
1990 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1991
1992 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1993
1994 __skb_queue_tail(&ring->queue, skb);
1995 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1996
1997 return;
1998 }
1999
2000 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
2001 {
2002 struct r8192_priv *priv = rtllib_priv(dev);
2003 struct rtl8192_tx_ring *ring;
2004 unsigned long flags;
2005 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
2006 MAX_DEV_ADDR_SIZE);
2007 struct tx_desc *pdesc = NULL;
2008 struct rtllib_hdr_1addr *header = NULL;
2009 u16 fc = 0, type = 0, stype = 0;
2010 bool multi_addr = false, broad_addr = false, uni_addr = false;
2011 u8 *pda_addr = NULL;
2012 int idx;
2013 u32 fwinfo_size = 0;
2014
2015 if (priv->bdisable_nic) {
2016 RT_TRACE(COMP_ERR, "%s: ERR!! Nic is disabled! Can't tx packet"
2017 " len=%d qidx=%d!!!\n", __func__, skb->len,
2018 tcb_desc->queue_index);
2019 return skb->len;
2020 }
2021
2022 priv->rtllib->bAwakePktSent = true;
2023
2024 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2025
2026 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2027 fc = header->frame_ctl;
2028 type = WLAN_FC_GET_TYPE(fc);
2029 stype = WLAN_FC_GET_STYPE(fc);
2030 pda_addr = header->addr1;
2031
2032 if (is_multicast_ether_addr(pda_addr))
2033 multi_addr = true;
2034 else if (is_broadcast_ether_addr(pda_addr))
2035 broad_addr = true;
2036 else
2037 uni_addr = true;
2038
2039 if (uni_addr)
2040 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2041 else if (multi_addr)
2042 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2043 else
2044 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2045
2046 spin_lock_irqsave(&priv->irq_th_lock, flags);
2047 ring = &priv->tx_ring[tcb_desc->queue_index];
2048 if (tcb_desc->queue_index != BEACON_QUEUE)
2049 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2050 else
2051 idx = 0;
2052
2053 pdesc = &ring->desc[idx];
2054 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2055 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d, idx = "
2056 "%d, skblen = 0x%x queuelen=%d",
2057 tcb_desc->queue_index, ring->idx, idx, skb->len,
2058 skb_queue_len(&ring->queue));
2059 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2060 return skb->len;
2061 }
2062
2063 if (type == RTLLIB_FTYPE_DATA) {
2064 if (priv->rtllib->LedControlHandler)
2065 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2066 }
2067 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2068 __skb_queue_tail(&ring->queue, skb);
2069 pdesc->OWN = 1;
2070 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2071 dev->trans_start = jiffies;
2072
2073 write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2074 return 0;
2075 }
2076
2077 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2078 {
2079 struct r8192_priv *priv = rtllib_priv(dev);
2080 struct rx_desc *entry = NULL;
2081 int i, rx_queue_idx;
2082
2083 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2084 priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
2085 sizeof(*priv->rx_ring[rx_queue_idx]) *
2086 priv->rxringcount,
2087 &priv->rx_ring_dma[rx_queue_idx]);
2088
2089 if (!priv->rx_ring[rx_queue_idx] ||
2090 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2091 RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2092 return -ENOMEM;
2093 }
2094
2095 memset(priv->rx_ring[rx_queue_idx], 0,
2096 sizeof(*priv->rx_ring[rx_queue_idx]) *
2097 priv->rxringcount);
2098 priv->rx_idx[rx_queue_idx] = 0;
2099
2100 for (i = 0; i < priv->rxringcount; i++) {
2101 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2102 dma_addr_t *mapping;
2103 entry = &priv->rx_ring[rx_queue_idx][i];
2104 if (!skb)
2105 return 0;
2106 skb->dev = dev;
2107 priv->rx_buf[rx_queue_idx][i] = skb;
2108 mapping = (dma_addr_t *)skb->cb;
2109 *mapping = pci_map_single(priv->pdev,
2110 skb_tail_pointer_rsl(skb),
2111 priv->rxbuffersize,
2112 PCI_DMA_FROMDEVICE);
2113
2114 entry->BufferAddress = cpu_to_le32(*mapping);
2115
2116 entry->Length = priv->rxbuffersize;
2117 entry->OWN = 1;
2118 }
2119
2120 entry->EOR = 1;
2121 }
2122 return 0;
2123 }
2124
2125 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2126 unsigned int prio, unsigned int entries)
2127 {
2128 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2129 struct tx_desc *ring;
2130 dma_addr_t dma;
2131 int i;
2132
2133 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2134 if (!ring || (unsigned long)ring & 0xFF) {
2135 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2136 prio);
2137 return -ENOMEM;
2138 }
2139
2140 memset(ring, 0, sizeof(*ring)*entries);
2141 priv->tx_ring[prio].desc = ring;
2142 priv->tx_ring[prio].dma = dma;
2143 priv->tx_ring[prio].idx = 0;
2144 priv->tx_ring[prio].entries = entries;
2145 skb_queue_head_init(&priv->tx_ring[prio].queue);
2146
2147 for (i = 0; i < entries; i++)
2148 ring[i].NextDescAddress =
2149 cpu_to_le32((u32)dma + ((i + 1) % entries) *
2150 sizeof(*ring));
2151
2152 return 0;
2153 }
2154
2155
2156 short rtl8192_pci_initdescring(struct net_device *dev)
2157 {
2158 u32 ret;
2159 int i;
2160 struct r8192_priv *priv = rtllib_priv(dev);
2161
2162 ret = rtl8192_alloc_rx_desc_ring(dev);
2163 if (ret)
2164 return ret;
2165
2166 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2167 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2168 if (ret)
2169 goto err_free_rings;
2170 }
2171
2172 return 0;
2173
2174 err_free_rings:
2175 rtl8192_free_rx_ring(dev);
2176 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2177 if (priv->tx_ring[i].desc)
2178 rtl8192_free_tx_ring(dev, i);
2179 return 1;
2180 }
2181
2182 void rtl8192_pci_resetdescring(struct net_device *dev)
2183 {
2184 struct r8192_priv *priv = rtllib_priv(dev);
2185 int i, rx_queue_idx;
2186 unsigned long flags = 0;
2187
2188 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2189 if (priv->rx_ring[rx_queue_idx]) {
2190 struct rx_desc *entry = NULL;
2191 for (i = 0; i < priv->rxringcount; i++) {
2192 entry = &priv->rx_ring[rx_queue_idx][i];
2193 entry->OWN = 1;
2194 }
2195 priv->rx_idx[rx_queue_idx] = 0;
2196 }
2197 }
2198
2199 spin_lock_irqsave(&priv->irq_th_lock, flags);
2200 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2201 if (priv->tx_ring[i].desc) {
2202 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2203
2204 while (skb_queue_len(&ring->queue)) {
2205 struct tx_desc *entry = &ring->desc[ring->idx];
2206 struct sk_buff *skb =
2207 __skb_dequeue(&ring->queue);
2208
2209 pci_unmap_single(priv->pdev,
2210 le32_to_cpu(entry->TxBuffAddr),
2211 skb->len, PCI_DMA_TODEVICE);
2212 kfree_skb(skb);
2213 ring->idx = (ring->idx + 1) % ring->entries;
2214 }
2215 ring->idx = 0;
2216 }
2217 }
2218 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2219 }
2220
2221 void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2222 struct rtllib_rx_stats *stats)
2223 {
2224 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2225
2226 if (stats->bIsAMPDU && !stats->bFirstMPDU)
2227 stats->mac_time = priv->LastRxDescTSF;
2228 else
2229 priv->LastRxDescTSF = stats->mac_time;
2230 }
2231
2232 long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2233 {
2234 long signal_power;
2235
2236 signal_power = (long)((signal_strength_index + 1) >> 1);
2237 signal_power -= 95;
2238
2239 return signal_power;
2240 }
2241
2242
2243 void
2244 rtl819x_update_rxsignalstatistics8190pci(
2245 struct r8192_priv *priv,
2246 struct rtllib_rx_stats *pprevious_stats
2247 )
2248 {
2249 int weighting = 0;
2250
2251
2252 if (priv->stats.recv_signal_power == 0)
2253 priv->stats.recv_signal_power =
2254 pprevious_stats->RecvSignalPower;
2255
2256 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2257 weighting = 5;
2258 else if (pprevious_stats->RecvSignalPower <
2259 priv->stats.recv_signal_power)
2260 weighting = (-5);
2261 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2262 pprevious_stats->RecvSignalPower +
2263 weighting) / 6;
2264 }
2265
2266 void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2267 struct rtllib_rx_stats *pprevious_stats)
2268 {
2269 }
2270
2271
2272 u8 rtl819x_query_rxpwrpercentage(char antpower)
2273 {
2274 if ((antpower <= -100) || (antpower >= 20))
2275 return 0;
2276 else if (antpower >= 0)
2277 return 100;
2278 else
2279 return 100 + antpower;
2280
2281 } /* QueryRxPwrPercentage */
2282
2283 u8
2284 rtl819x_evm_dbtopercentage(
2285 char value
2286 )
2287 {
2288 char ret_val;
2289
2290 ret_val = value;
2291
2292 if (ret_val >= 0)
2293 ret_val = 0;
2294 if (ret_val <= -33)
2295 ret_val = -33;
2296 ret_val = 0 - ret_val;
2297 ret_val *= 3;
2298 if (ret_val == 99)
2299 ret_val = 100;
2300 return ret_val;
2301 }
2302
2303 void
2304 rtl8192_record_rxdesc_forlateruse(
2305 struct rtllib_rx_stats *psrc_stats,
2306 struct rtllib_rx_stats *ptarget_stats
2307 )
2308 {
2309 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2310 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2311 }
2312
2313
2314
2315 static void rtl8192_rx_normal(struct net_device *dev)
2316 {
2317 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2318 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2319 bool unicast_packet = false;
2320 bool bLedBlinking = true;
2321 u16 fc = 0, type = 0;
2322 u32 skb_len = 0;
2323 int rx_queue_idx = RX_MPDU_QUEUE;
2324
2325 struct rtllib_rx_stats stats = {
2326 .signal = 0,
2327 .noise = -98,
2328 .rate = 0,
2329 .freq = RTLLIB_24GHZ_BAND,
2330 };
2331 unsigned int count = priv->rxringcount;
2332
2333 stats.nic_type = NIC_8192E;
2334
2335 while (count--) {
2336 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2337 [priv->rx_idx[rx_queue_idx]];
2338 struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2339 [priv->rx_idx[rx_queue_idx]];
2340
2341 if (pdesc->OWN) {
2342 return;
2343 } else {
2344 struct sk_buff *new_skb;
2345
2346 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2347 pdesc, skb))
2348 goto done;
2349 new_skb = dev_alloc_skb(priv->rxbuffersize);
2350 /* if allocation of new skb failed - drop current packet
2351 * and reuse skb */
2352 if (unlikely(!new_skb))
2353 goto done;
2354
2355 pci_unmap_single(priv->pdev,
2356 *((dma_addr_t *)skb->cb),
2357 priv->rxbuffersize,
2358 PCI_DMA_FROMDEVICE);
2359
2360 skb_put(skb, pdesc->Length);
2361 skb_reserve(skb, stats.RxDrvInfoSize +
2362 stats.RxBufShift);
2363 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2364 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2365 if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
2366 !is_multicast_ether_addr(rtllib_hdr->addr1)) {
2367 /* unicast packet */
2368 unicast_packet = true;
2369 }
2370 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2371 type = WLAN_FC_GET_TYPE(fc);
2372 if (type == RTLLIB_FTYPE_MGMT)
2373 bLedBlinking = false;
2374
2375 if (bLedBlinking)
2376 if (priv->rtllib->LedControlHandler)
2377 priv->rtllib->LedControlHandler(dev,
2378 LED_CTL_RX);
2379
2380 if (stats.bCRC) {
2381 if (type != RTLLIB_FTYPE_MGMT)
2382 priv->stats.rxdatacrcerr++;
2383 else
2384 priv->stats.rxmgmtcrcerr++;
2385 }
2386
2387 skb_len = skb->len;
2388
2389 if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2390 dev_kfree_skb_any(skb);
2391 } else {
2392 priv->stats.rxok++;
2393 if (unicast_packet)
2394 priv->stats.rxbytesunicast += skb_len;
2395 }
2396
2397 skb = new_skb;
2398 skb->dev = dev;
2399
2400 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2401 skb;
2402 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2403 skb_tail_pointer_rsl(skb),
2404 priv->rxbuffersize,
2405 PCI_DMA_FROMDEVICE);
2406
2407 }
2408 done:
2409 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
2410 pdesc->OWN = 1;
2411 pdesc->Length = priv->rxbuffersize;
2412 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2413 pdesc->EOR = 1;
2414 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2415 priv->rxringcount;
2416 }
2417
2418 }
2419
2420 static void rtl8192_rx_cmd(struct net_device *dev)
2421 {
2422 }
2423
2424
2425 static void rtl8192_tx_resume(struct net_device *dev)
2426 {
2427 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2428 struct rtllib_device *ieee = priv->rtllib;
2429 struct sk_buff *skb;
2430 int queue_index;
2431
2432 for (queue_index = BK_QUEUE;
2433 queue_index < MAX_QUEUE_SIZE; queue_index++) {
2434 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2435 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2436 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2437 ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2438 }
2439 }
2440 }
2441
2442 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2443 {
2444 rtl8192_tx_resume(priv->rtllib->dev);
2445 }
2446
2447 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2448 {
2449 rtl8192_rx_normal(priv->rtllib->dev);
2450
2451 if (MAX_RX_QUEUE > 1)
2452 rtl8192_rx_cmd(priv->rtllib->dev);
2453
2454 write_nic_dword(priv->rtllib->dev, INTA_MASK,
2455 read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2456 }
2457
2458 /****************************************************************************
2459 ---------------------------- NIC START/CLOSE STUFF---------------------------
2460 *****************************************************************************/
2461 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2462 {
2463 cancel_delayed_work(&priv->watch_dog_wq);
2464 cancel_delayed_work(&priv->update_beacon_wq);
2465 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2466 cancel_work_sync(&priv->reset_wq);
2467 cancel_work_sync(&priv->qos_activate);
2468 }
2469
2470 int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2471 {
2472 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2473 return -1;
2474 return 0;
2475 }
2476
2477
2478 static int rtl8192_open(struct net_device *dev)
2479 {
2480 struct r8192_priv *priv = rtllib_priv(dev);
2481 int ret;
2482
2483 down(&priv->wx_sem);
2484 ret = rtl8192_up(dev);
2485 up(&priv->wx_sem);
2486 return ret;
2487
2488 }
2489
2490
2491 int rtl8192_up(struct net_device *dev)
2492 {
2493 struct r8192_priv *priv = rtllib_priv(dev);
2494
2495 if (priv->up == 1)
2496 return -1;
2497 return _rtl8192_up(dev, false);
2498 }
2499
2500
2501 static int rtl8192_close(struct net_device *dev)
2502 {
2503 struct r8192_priv *priv = rtllib_priv(dev);
2504 int ret;
2505
2506 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2507 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2508 rtllib_stop_scan(priv->rtllib);
2509 }
2510
2511 down(&priv->wx_sem);
2512
2513 ret = rtl8192_down(dev, true);
2514
2515 up(&priv->wx_sem);
2516
2517 return ret;
2518
2519 }
2520
2521 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2522 {
2523 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2524 return -1;
2525
2526 return 0;
2527 }
2528
2529 void rtl8192_commit(struct net_device *dev)
2530 {
2531 struct r8192_priv *priv = rtllib_priv(dev);
2532
2533 if (priv->up == 0)
2534 return;
2535 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2536 rtl8192_irq_disable(dev);
2537 priv->ops->stop_adapter(dev, true);
2538 _rtl8192_up(dev, false);
2539 }
2540
2541 void rtl8192_restart(void *data)
2542 {
2543 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2544 reset_wq);
2545 struct net_device *dev = priv->rtllib->dev;
2546
2547 down(&priv->wx_sem);
2548
2549 rtl8192_commit(dev);
2550
2551 up(&priv->wx_sem);
2552 }
2553
2554 static void r8192_set_multicast(struct net_device *dev)
2555 {
2556 struct r8192_priv *priv = rtllib_priv(dev);
2557 short promisc;
2558
2559 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2560 priv->promisc = promisc;
2561
2562 }
2563
2564
2565 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2566 {
2567 struct r8192_priv *priv = rtllib_priv(dev);
2568 struct sockaddr *addr = mac;
2569
2570 down(&priv->wx_sem);
2571
2572 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
2573
2574 schedule_work(&priv->reset_wq);
2575 up(&priv->wx_sem);
2576
2577 return 0;
2578 }
2579
2580 /* based on ipw2200 driver */
2581 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2582 {
2583 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2584 struct iwreq *wrq = (struct iwreq *)rq;
2585 int ret = -1;
2586 struct rtllib_device *ieee = priv->rtllib;
2587 u32 key[4];
2588 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2589 u8 zero_addr[6] = {0};
2590 struct iw_point *p = &wrq->u.data;
2591 struct ieee_param *ipw = NULL;
2592
2593 down(&priv->wx_sem);
2594
2595 switch (cmd) {
2596 case RTL_IOCTL_WPA_SUPPLICANT:
2597 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2598 ret = -EINVAL;
2599 goto out;
2600 }
2601
2602 ipw = kmalloc(p->length, GFP_KERNEL);
2603 if (ipw == NULL) {
2604 ret = -ENOMEM;
2605 goto out;
2606 }
2607 if (copy_from_user(ipw, p->pointer, p->length)) {
2608 kfree(ipw);
2609 ret = -EFAULT;
2610 goto out;
2611 }
2612
2613 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2614 if (ipw->u.crypt.set_tx) {
2615 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2616 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2617 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2618 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2619 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2620 if (ipw->u.crypt.key_len == 13)
2621 ieee->pairwise_key_type =
2622 KEY_TYPE_WEP104;
2623 else if (ipw->u.crypt.key_len == 5)
2624 ieee->pairwise_key_type =
2625 KEY_TYPE_WEP40;
2626 } else {
2627 ieee->pairwise_key_type = KEY_TYPE_NA;
2628 }
2629
2630 if (ieee->pairwise_key_type) {
2631 if (memcmp(ieee->ap_mac_addr, zero_addr,
2632 6) == 0)
2633 ieee->iw_mode = IW_MODE_ADHOC;
2634 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2635 EnableHWSecurityConfig8192(dev);
2636 set_swcam(dev, 4, ipw->u.crypt.idx,
2637 ieee->pairwise_key_type,
2638 (u8 *)ieee->ap_mac_addr,
2639 0, key, 0);
2640 setKey(dev, 4, ipw->u.crypt.idx,
2641 ieee->pairwise_key_type,
2642 (u8 *)ieee->ap_mac_addr, 0, key);
2643 if (ieee->iw_mode == IW_MODE_ADHOC) {
2644 set_swcam(dev, ipw->u.crypt.idx,
2645 ipw->u.crypt.idx,
2646 ieee->pairwise_key_type,
2647 (u8 *)ieee->ap_mac_addr,
2648 0, key, 0);
2649 setKey(dev, ipw->u.crypt.idx,
2650 ipw->u.crypt.idx,
2651 ieee->pairwise_key_type,
2652 (u8 *)ieee->ap_mac_addr,
2653 0, key);
2654 }
2655 }
2656 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2657 && ieee->pHTInfo->bCurrentHTSupport) {
2658 write_nic_byte(dev, 0x173, 1);
2659 }
2660
2661 } else {
2662 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2663 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2664 ieee->group_key_type = KEY_TYPE_CCMP;
2665 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2666 ieee->group_key_type = KEY_TYPE_TKIP;
2667 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2668 if (ipw->u.crypt.key_len == 13)
2669 ieee->group_key_type =
2670 KEY_TYPE_WEP104;
2671 else if (ipw->u.crypt.key_len == 5)
2672 ieee->group_key_type =
2673 KEY_TYPE_WEP40;
2674 } else
2675 ieee->group_key_type = KEY_TYPE_NA;
2676
2677 if (ieee->group_key_type) {
2678 set_swcam(dev, ipw->u.crypt.idx,
2679 ipw->u.crypt.idx,
2680 ieee->group_key_type,
2681 broadcast_addr, 0, key, 0);
2682 setKey(dev, ipw->u.crypt.idx,
2683 ipw->u.crypt.idx,
2684 ieee->group_key_type,
2685 broadcast_addr, 0, key);
2686 }
2687 }
2688 }
2689
2690 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2691 0);
2692 kfree(ipw);
2693 break;
2694 default:
2695 ret = -EOPNOTSUPP;
2696 break;
2697 }
2698
2699 out:
2700 up(&priv->wx_sem);
2701
2702 return ret;
2703 }
2704
2705
2706 irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
2707 {
2708 struct net_device *dev = (struct net_device *) netdev;
2709 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2710 unsigned long flags;
2711 u32 inta;
2712 u32 intb;
2713 intb = 0;
2714
2715 if (priv->irq_enabled == 0)
2716 goto done;
2717
2718 spin_lock_irqsave(&priv->irq_th_lock, flags);
2719
2720 priv->ops->interrupt_recognized(dev, &inta, &intb);
2721 priv->stats.shints++;
2722
2723 if (!inta) {
2724 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2725 goto done;
2726 }
2727
2728 if (inta == 0xffff) {
2729 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2730 goto done;
2731 }
2732
2733 priv->stats.ints++;
2734
2735 if (!netif_running(dev)) {
2736 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2737 goto done;
2738 }
2739
2740 if (inta & IMR_TBDOK) {
2741 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2742 priv->stats.txbeaconokint++;
2743 }
2744
2745 if (inta & IMR_TBDER) {
2746 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2747 priv->stats.txbeaconerr++;
2748 }
2749
2750 if (inta & IMR_BDOK)
2751 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2752
2753 if (inta & IMR_MGNTDOK) {
2754 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2755 priv->stats.txmanageokint++;
2756 rtl8192_tx_isr(dev, MGNT_QUEUE);
2757 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2758 if (priv->rtllib->ack_tx_to_ieee) {
2759 if (rtl8192_is_tx_queue_empty(dev)) {
2760 priv->rtllib->ack_tx_to_ieee = 0;
2761 rtllib_ps_tx_ack(priv->rtllib, 1);
2762 }
2763 }
2764 spin_lock_irqsave(&priv->irq_th_lock, flags);
2765 }
2766
2767 if (inta & IMR_COMDOK) {
2768 priv->stats.txcmdpktokint++;
2769 rtl8192_tx_isr(dev, TXCMD_QUEUE);
2770 }
2771
2772 if (inta & IMR_HIGHDOK)
2773 rtl8192_tx_isr(dev, HIGH_QUEUE);
2774
2775 if (inta & IMR_ROK) {
2776 priv->stats.rxint++;
2777 priv->InterruptLog.nIMR_ROK++;
2778 tasklet_schedule(&priv->irq_rx_tasklet);
2779 }
2780
2781 if (inta & IMR_BcnInt) {
2782 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2783 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2784 }
2785
2786 if (inta & IMR_RDU) {
2787 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2788 priv->stats.rxrdu++;
2789 write_nic_dword(dev, INTA_MASK,
2790 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2791 tasklet_schedule(&priv->irq_rx_tasklet);
2792 }
2793
2794 if (inta & IMR_RXFOVW) {
2795 RT_TRACE(COMP_INTR, "rx overflow !\n");
2796 priv->stats.rxoverflow++;
2797 tasklet_schedule(&priv->irq_rx_tasklet);
2798 }
2799
2800 if (inta & IMR_TXFOVW)
2801 priv->stats.txoverflow++;
2802
2803 if (inta & IMR_BKDOK) {
2804 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2805 priv->stats.txbkokint++;
2806 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2807 rtl8192_tx_isr(dev, BK_QUEUE);
2808 }
2809
2810 if (inta & IMR_BEDOK) {
2811 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2812 priv->stats.txbeokint++;
2813 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2814 rtl8192_tx_isr(dev, BE_QUEUE);
2815 }
2816
2817 if (inta & IMR_VIDOK) {
2818 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2819 priv->stats.txviokint++;
2820 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2821 rtl8192_tx_isr(dev, VI_QUEUE);
2822 }
2823
2824 if (inta & IMR_VODOK) {
2825 priv->stats.txvookint++;
2826 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2827 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2828 rtl8192_tx_isr(dev, VO_QUEUE);
2829 }
2830
2831 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2832
2833 done:
2834
2835 return IRQ_HANDLED;
2836 }
2837
2838
2839
2840 /****************************************************************************
2841 ---------------------------- PCI_STUFF---------------------------
2842 *****************************************************************************/
2843 #ifdef HAVE_NET_DEVICE_OPS
2844 static const struct net_device_ops rtl8192_netdev_ops = {
2845 .ndo_open = rtl8192_open,
2846 .ndo_stop = rtl8192_close,
2847 .ndo_tx_timeout = rtl8192_tx_timeout,
2848 .ndo_do_ioctl = rtl8192_ioctl,
2849 .ndo_set_rx_mode = r8192_set_multicast,
2850 .ndo_set_mac_address = r8192_set_mac_adr,
2851 .ndo_validate_addr = eth_validate_addr,
2852 .ndo_change_mtu = eth_change_mtu,
2853 .ndo_start_xmit = rtllib_xmit,
2854 };
2855 #endif
2856
2857 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
2858 const struct pci_device_id *id)
2859 {
2860 unsigned long ioaddr = 0;
2861 struct net_device *dev = NULL;
2862 struct r8192_priv *priv = NULL;
2863 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2864 unsigned long pmem_start, pmem_len, pmem_flags;
2865 int err = 0;
2866 bool bdma64 = false;
2867 u8 revision_id;
2868
2869 RT_TRACE(COMP_INIT, "Configuring chip resources");
2870
2871 if (pci_enable_device(pdev)) {
2872 RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2873 return -EIO;
2874 }
2875
2876 pci_set_master(pdev);
2877
2878 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2879 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2880 printk(KERN_INFO "Unable to obtain 32bit DMA for consistent allocations\n");
2881 pci_disable_device(pdev);
2882 return -ENOMEM;
2883 }
2884 }
2885 dev = alloc_rtllib(sizeof(struct r8192_priv));
2886 if (!dev)
2887 return -ENOMEM;
2888
2889 if (bdma64)
2890 dev->features |= NETIF_F_HIGHDMA;
2891
2892 pci_set_drvdata(pdev, dev);
2893 SET_NETDEV_DEV(dev, &pdev->dev);
2894 priv = rtllib_priv(dev);
2895 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2896 priv->pdev = pdev;
2897 priv->rtllib->pdev = pdev;
2898 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2899 (pdev->subsystem_device == 0x3304))
2900 priv->rtllib->bSupportRemoteWakeUp = 1;
2901 else
2902 priv->rtllib->bSupportRemoteWakeUp = 0;
2903
2904 pmem_start = pci_resource_start(pdev, 1);
2905 pmem_len = pci_resource_len(pdev, 1);
2906 pmem_flags = pci_resource_flags(pdev, 1);
2907
2908 if (!(pmem_flags & IORESOURCE_MEM)) {
2909 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2910 goto fail;
2911 }
2912
2913 printk(KERN_INFO "Memory mapped space start: 0x%08lx\n", pmem_start);
2914 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2915 RT_TRACE(COMP_ERR, "request_mem_region failed!");
2916 goto fail;
2917 }
2918
2919
2920 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2921 if (ioaddr == (unsigned long)NULL) {
2922 RT_TRACE(COMP_ERR, "ioremap failed!");
2923 goto fail1;
2924 }
2925
2926 dev->mem_start = ioaddr;
2927 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2928
2929 pci_read_config_byte(pdev, 0x08, &revision_id);
2930 /* If the revisionid is 0x10, the device uses rtl8192se. */
2931 if (pdev->device == 0x8192 && revision_id == 0x10)
2932 goto fail1;
2933
2934 priv->ops = ops;
2935
2936 if (rtl8192_pci_findadapter(pdev, dev) == false)
2937 goto fail1;
2938
2939 dev->irq = pdev->irq;
2940 priv->irq = 0;
2941
2942 #ifdef HAVE_NET_DEVICE_OPS
2943 dev->netdev_ops = &rtl8192_netdev_ops;
2944 #else
2945 dev->open = rtl8192_open;
2946 dev->stop = rtl8192_close;
2947 dev->tx_timeout = rtl8192_tx_timeout;
2948 dev->do_ioctl = rtl8192_ioctl;
2949 dev->set_multicast_list = r8192_set_multicast;
2950 dev->set_mac_address = r8192_set_mac_adr;
2951 dev->hard_start_xmit = rtllib_xmit;
2952 #endif
2953
2954 dev->wireless_handlers = (struct iw_handler_def *)
2955 &r8192_wx_handlers_def;
2956 dev->ethtool_ops = &rtl819x_ethtool_ops;
2957
2958 dev->type = ARPHRD_ETHER;
2959 dev->watchdog_timeo = HZ * 3;
2960
2961 if (dev_alloc_name(dev, ifname) < 0) {
2962 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying "
2963 "wlan%%d...\n");
2964 dev_alloc_name(dev, ifname);
2965 }
2966
2967 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2968 if (rtl8192_init(dev) != 0) {
2969 RT_TRACE(COMP_ERR, "Initialization failed");
2970 goto fail1;
2971 }
2972
2973 netif_carrier_off(dev);
2974 netif_stop_queue(dev);
2975
2976 register_netdev(dev);
2977 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2978 err = rtl_debug_module_init(priv, dev->name);
2979 if (err)
2980 RT_TRACE(COMP_DBG, "failed to create debugfs files. Ignoring "
2981 "error: %d\n", err);
2982 rtl8192_proc_init_one(dev);
2983
2984 if (priv->polling_timer_on == 0)
2985 check_rfctrl_gpio_timer((unsigned long)dev);
2986
2987 RT_TRACE(COMP_INIT, "Driver probe completed\n");
2988 return 0;
2989
2990 fail1:
2991 if (dev->mem_start != (unsigned long)NULL) {
2992 iounmap((void *)dev->mem_start);
2993 release_mem_region(pci_resource_start(pdev, 1),
2994 pci_resource_len(pdev, 1));
2995 }
2996
2997 fail:
2998 if (dev) {
2999 if (priv->irq) {
3000 free_irq(dev->irq, dev);
3001 priv->irq = 0;
3002 }
3003 free_rtllib(dev);
3004 }
3005
3006 pci_disable_device(pdev);
3007
3008 DMESG("wlan driver load failed\n");
3009 pci_set_drvdata(pdev, NULL);
3010 return -ENODEV;
3011
3012 }
3013
3014 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
3015 {
3016 struct net_device *dev = pci_get_drvdata(pdev);
3017 struct r8192_priv *priv ;
3018 u32 i;
3019
3020 if (dev) {
3021 unregister_netdev(dev);
3022
3023 priv = rtllib_priv(dev);
3024
3025 del_timer_sync(&priv->gpio_polling_timer);
3026 cancel_delayed_work(&priv->gpio_change_rf_wq);
3027 priv->polling_timer_on = 0;
3028 rtl_debug_module_remove(priv);
3029 rtl8192_proc_remove_one(dev);
3030 rtl8192_down(dev, true);
3031 deinit_hal_dm(dev);
3032 if (priv->pFirmware) {
3033 vfree(priv->pFirmware);
3034 priv->pFirmware = NULL;
3035 }
3036 destroy_workqueue(priv->priv_wq);
3037 rtl8192_free_rx_ring(dev);
3038 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
3039 rtl8192_free_tx_ring(dev, i);
3040
3041 if (priv->irq) {
3042 printk(KERN_INFO "Freeing irq %d\n", dev->irq);
3043 free_irq(dev->irq, dev);
3044 priv->irq = 0;
3045 }
3046 free_rtllib(dev);
3047
3048 kfree(priv->scan_cmd);
3049
3050 if (dev->mem_start != 0) {
3051 iounmap((void __iomem *)dev->mem_start);
3052 release_mem_region(pci_resource_start(pdev, 1),
3053 pci_resource_len(pdev, 1));
3054 }
3055 } else {
3056 priv = rtllib_priv(dev);
3057 }
3058
3059 pci_disable_device(pdev);
3060 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3061 }
3062
3063 bool NicIFEnableNIC(struct net_device *dev)
3064 {
3065 bool init_status = true;
3066 struct r8192_priv *priv = rtllib_priv(dev);
3067 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3068 (&(priv->rtllib->PowerSaveControl));
3069
3070 if (IS_NIC_DOWN(priv)) {
3071 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3072 __func__);
3073 priv->bdisable_nic = false;
3074 return RT_STATUS_FAILURE;
3075 }
3076
3077 RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3078 priv->bfirst_init = true;
3079 init_status = priv->ops->initialize_adapter(dev);
3080 if (init_status != true) {
3081 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3082 __func__);
3083 priv->bdisable_nic = false;
3084 return -1;
3085 }
3086 RT_TRACE(COMP_INIT, "start adapter finished\n");
3087 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3088 priv->bfirst_init = false;
3089
3090 rtl8192_irq_enable(dev);
3091 priv->bdisable_nic = false;
3092 RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3093 return init_status;
3094 }
3095 bool NicIFDisableNIC(struct net_device *dev)
3096 {
3097 bool status = true;
3098 struct r8192_priv *priv = rtllib_priv(dev);
3099 u8 tmp_state = 0;
3100 RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3101 priv->bdisable_nic = true;
3102 tmp_state = priv->rtllib->state;
3103 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3104 priv->rtllib->state = tmp_state;
3105 rtl8192_cancel_deferred_work(priv);
3106 rtl8192_irq_disable(dev);
3107
3108 priv->ops->stop_adapter(dev, false);
3109 RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3110
3111 return status;
3112 }
3113
3114 static int __init rtl8192_pci_module_init(void)
3115 {
3116 int ret;
3117 int error;
3118
3119 ret = rtllib_init();
3120 if (ret) {
3121 printk(KERN_ERR "rtllib_init() failed %d\n", ret);
3122 return ret;
3123 }
3124 ret = rtllib_crypto_init();
3125 if (ret) {
3126 printk(KERN_ERR "rtllib_crypto_init() failed %d\n", ret);
3127 return ret;
3128 }
3129 ret = rtllib_crypto_tkip_init();
3130 if (ret) {
3131 printk(KERN_ERR "rtllib_crypto_tkip_init() failed %d\n", ret);
3132 return ret;
3133 }
3134 ret = rtllib_crypto_ccmp_init();
3135 if (ret) {
3136 printk(KERN_ERR "rtllib_crypto_ccmp_init() failed %d\n", ret);
3137 return ret;
3138 }
3139 ret = rtllib_crypto_wep_init();
3140 if (ret) {
3141 printk(KERN_ERR "rtllib_crypto_wep_init() failed %d\n", ret);
3142 return ret;
3143 }
3144 printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
3145 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3146
3147 error = rtl_create_debugfs_root();
3148 if (error) {
3149 RT_TRACE(COMP_DBG, "Create debugfs root fail: %d\n", error);
3150 goto err_out;
3151 }
3152
3153 rtl8192_proc_module_init();
3154 if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3155 DMESG("No device found");
3156 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3157 return -ENODEV;
3158 }
3159 return 0;
3160 err_out:
3161 return error;
3162
3163 }
3164
3165 static void __exit rtl8192_pci_module_exit(void)
3166 {
3167 pci_unregister_driver(&rtl8192_pci_driver);
3168
3169 RT_TRACE(COMP_DOWN, "Exiting");
3170 rtl8192_proc_module_remove();
3171 rtl_remove_debugfs_root();
3172 rtllib_crypto_tkip_exit();
3173 rtllib_crypto_ccmp_exit();
3174 rtllib_crypto_wep_exit();
3175 rtllib_crypto_deinit();
3176 rtllib_exit();
3177 }
3178
3179 void check_rfctrl_gpio_timer(unsigned long data)
3180 {
3181 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3182
3183 priv->polling_timer_on = 1;
3184
3185 queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3186
3187 mod_timer(&priv->gpio_polling_timer, jiffies +
3188 MSECS(RTLLIB_WATCH_DOG_TIME));
3189 }
3190
3191 /***************************************************************************
3192 ------------------- module init / exit stubs ----------------
3193 ****************************************************************************/
3194 module_init(rtl8192_pci_module_init);
3195 module_exit(rtl8192_pci_module_exit);
3196
3197 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3198 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3199 MODULE_VERSION(DRV_VERSION);
3200 MODULE_LICENSE("GPL");
3201
3202 module_param(ifname, charp, S_IRUGO|S_IWUSR);
3203 module_param(hwwep, int, S_IRUGO|S_IWUSR);
3204 module_param(channels, int, S_IRUGO|S_IWUSR);
3205
3206 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3207 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3208 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree