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 <andrea.merello@gmail.com>, et al.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 *
19 * The full GNU General Public License is included in this distribution in the
20 * file called LICENSE.
21 *
22 * Contact Information:
23 * wlanfae <wlanfae@realtek.com>
24 ******************************************************************************/
25 #undef RX_DONT_PASS_UL
26 #undef DEBUG_EPROM
27 #undef DEBUG_RX_VERBOSE
28 #undef DUMMY_RX
29 #undef DEBUG_ZERO_RX
30 #undef DEBUG_RX_SKB
31 #undef DEBUG_TX_FRAG
32 #undef DEBUG_RX_FRAG
33 #undef DEBUG_TX_FILLDESC
34 #undef DEBUG_TX
35 #undef DEBUG_IRQ
36 #undef DEBUG_RX
37 #undef DEBUG_RXALLOC
38 #undef DEBUG_REGISTERS
39 #undef DEBUG_RING
40 #undef DEBUG_IRQ_TASKLET
41 #undef DEBUG_TX_ALLOC
42 #undef DEBUG_TX_DESC
43
44 #include <linux/uaccess.h>
45 #include <linux/pci.h>
46 #include <linux/vmalloc.h>
47 #include "rtl_core.h"
48 #include "r8192E_phy.h"
49 #include "r8192E_phyreg.h"
50 #include "r8190P_rtl8256.h"
51 #include "r8192E_cmdpkt.h"
52
53 #include "rtl_wx.h"
54 #include "rtl_dm.h"
55
56 #include "rtl_pm.h"
57
58 int hwwep = 1;
59 static int channels = 0x3fff;
60 static char *ifname = "wlan%d";
61
62
63 static struct rtl819x_ops rtl819xp_ops = {
64 .nic_type = NIC_8192E,
65 .get_eeprom_size = rtl8192_get_eeprom_size,
66 .init_adapter_variable = rtl8192_InitializeVariables,
67 .initialize_adapter = rtl8192_adapter_start,
68 .link_change = rtl8192_link_change,
69 .tx_fill_descriptor = rtl8192_tx_fill_desc,
70 .tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
71 .rx_query_status_descriptor = rtl8192_rx_query_status_desc,
72 .rx_command_packet_handler = NULL,
73 .stop_adapter = rtl8192_halt_adapter,
74 .update_ratr_table = rtl8192_update_ratr_table,
75 .irq_enable = rtl8192_EnableInterrupt,
76 .irq_disable = rtl8192_DisableInterrupt,
77 .irq_clear = rtl8192_ClearInterrupt,
78 .rx_enable = rtl8192_enable_rx,
79 .tx_enable = rtl8192_enable_tx,
80 .interrupt_recognized = rtl8192_interrupt_recognized,
81 .TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
82 .RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
83 };
84
85 static struct pci_device_id rtl8192_pci_id_tbl[] = {
86 {RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
87 {RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
88 {RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
89 {}
90 };
91
92 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
93
94 static int rtl8192_pci_probe(struct pci_dev *pdev,
95 const struct pci_device_id *id);
96 static void rtl8192_pci_disconnect(struct pci_dev *pdev);
97 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
98
99 static struct pci_driver rtl8192_pci_driver = {
100 .name = DRV_NAME, /* Driver name */
101 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
102 .probe = rtl8192_pci_probe, /* probe fn */
103 .remove = rtl8192_pci_disconnect, /* remove fn */
104 .suspend = rtl8192E_suspend, /* PM suspend fn */
105 .resume = rtl8192E_resume, /* PM resume fn */
106 };
107
108 /****************************************************************************
109 -----------------------------IO STUFF-------------------------
110 *****************************************************************************/
PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage,u8 * pu1bPageMask)111 static bool PlatformIOCheckPageLegalAndGetRegMask(u32 u4bPage, u8 *pu1bPageMask)
112 {
113 bool bReturn = false;
114
115 *pu1bPageMask = 0xfe;
116
117 switch (u4bPage) {
118 case 1: case 2: case 3: case 4:
119 case 8: case 9: case 10: case 12: case 13:
120 bReturn = true;
121 *pu1bPageMask = 0xf0;
122 break;
123
124 default:
125 bReturn = false;
126 break;
127 }
128
129 return bReturn;
130 }
131
write_nic_io_byte(struct net_device * dev,int x,u8 y)132 void write_nic_io_byte(struct net_device *dev, int x, u8 y)
133 {
134 u32 u4bPage = x >> 8;
135 u8 u1PageMask = 0;
136 bool bIsLegalPage = false;
137
138 if (u4bPage == 0) {
139 outb(y&0xff, dev->base_addr + x);
140
141 } else {
142 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
143 &u1PageMask);
144 if (bIsLegalPage) {
145 u8 u1bPsr = read_nic_io_byte(dev, PSR);
146
147 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
148 (u8)u4bPage));
149 write_nic_io_byte(dev, (x & 0xff), y);
150 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
151 }
152 }
153 }
154
write_nic_io_word(struct net_device * dev,int x,u16 y)155 void write_nic_io_word(struct net_device *dev, int x, u16 y)
156 {
157 u32 u4bPage = x >> 8;
158 u8 u1PageMask = 0;
159 bool bIsLegalPage = false;
160
161 if (u4bPage == 0) {
162 outw(y, dev->base_addr + x);
163 } else {
164 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
165 &u1PageMask);
166 if (bIsLegalPage) {
167 u8 u1bPsr = read_nic_io_byte(dev, PSR);
168
169 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
170 (u8)u4bPage));
171 write_nic_io_word(dev, (x & 0xff), y);
172 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
173
174 }
175 }
176 }
177
write_nic_io_dword(struct net_device * dev,int x,u32 y)178 void write_nic_io_dword(struct net_device *dev, int x, u32 y)
179 {
180 u32 u4bPage = x >> 8;
181 u8 u1PageMask = 0;
182 bool bIsLegalPage = false;
183
184 if (u4bPage == 0) {
185 outl(y, dev->base_addr + x);
186 } else {
187 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
188 &u1PageMask);
189 if (bIsLegalPage) {
190 u8 u1bPsr = read_nic_io_byte(dev, PSR);
191
192 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
193 (u8)u4bPage));
194 write_nic_io_dword(dev, (x & 0xff), y);
195 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
196 }
197 }
198 }
199
read_nic_io_byte(struct net_device * dev,int x)200 u8 read_nic_io_byte(struct net_device *dev, int x)
201 {
202 u32 u4bPage = x >> 8;
203 u8 u1PageMask = 0;
204 bool bIsLegalPage = false;
205 u8 Data = 0;
206
207 if (u4bPage == 0)
208 return 0xff&inb(dev->base_addr + x);
209
210 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
211 &u1PageMask);
212 if (bIsLegalPage) {
213 u8 u1bPsr = read_nic_io_byte(dev, PSR);
214
215 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
216 (u8)u4bPage));
217 Data = read_nic_io_byte(dev, (x & 0xff));
218 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
219 }
220
221 return Data;
222 }
223
read_nic_io_word(struct net_device * dev,int x)224 u16 read_nic_io_word(struct net_device *dev, int x)
225 {
226 u32 u4bPage = x >> 8;
227 u8 u1PageMask = 0;
228 bool bIsLegalPage = false;
229 u16 Data = 0;
230
231 if (u4bPage == 0)
232 return inw(dev->base_addr + x);
233 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
234 &u1PageMask);
235 if (bIsLegalPage) {
236 u8 u1bPsr = read_nic_io_byte(dev, PSR);
237
238 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
239 (u8)u4bPage));
240 Data = read_nic_io_word(dev, (x & 0xff));
241 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
242 }
243
244 return Data;
245 }
246
read_nic_io_dword(struct net_device * dev,int x)247 u32 read_nic_io_dword(struct net_device *dev, int x)
248 {
249 u32 u4bPage = x >> 8;
250 u8 u1PageMask = 0;
251 bool bIsLegalPage = false;
252 u32 Data = 0;
253
254 if (u4bPage == 0)
255 return inl(dev->base_addr + x);
256 bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
257 &u1PageMask);
258 if (bIsLegalPage) {
259 u8 u1bPsr = read_nic_io_byte(dev, PSR);
260
261 write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) |
262 (u8)u4bPage));
263 Data = read_nic_io_dword(dev, (x & 0xff));
264 write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
265 }
266
267 return Data;
268 }
269
read_nic_byte(struct net_device * dev,int x)270 u8 read_nic_byte(struct net_device *dev, int x)
271 {
272 return 0xff & readb((u8 __iomem *)dev->mem_start + x);
273 }
274
read_nic_dword(struct net_device * dev,int x)275 u32 read_nic_dword(struct net_device *dev, int x)
276 {
277 return readl((u8 __iomem *)dev->mem_start + x);
278 }
279
read_nic_word(struct net_device * dev,int x)280 u16 read_nic_word(struct net_device *dev, int x)
281 {
282 return readw((u8 __iomem *)dev->mem_start + x);
283 }
284
write_nic_byte(struct net_device * dev,int x,u8 y)285 void write_nic_byte(struct net_device *dev, int x, u8 y)
286 {
287 writeb(y, (u8 __iomem *)dev->mem_start + x);
288
289 udelay(20);
290 }
291
write_nic_dword(struct net_device * dev,int x,u32 y)292 void write_nic_dword(struct net_device *dev, int x, u32 y)
293 {
294 writel(y, (u8 __iomem *)dev->mem_start + x);
295
296 udelay(20);
297 }
298
write_nic_word(struct net_device * dev,int x,u16 y)299 void write_nic_word(struct net_device *dev, int x, u16 y)
300 {
301 writew(y, (u8 __iomem *)dev->mem_start + x);
302
303 udelay(20);
304 }
305
306 /****************************************************************************
307 -----------------------------GENERAL FUNCTION-------------------------
308 *****************************************************************************/
MgntActSet_RF_State(struct net_device * dev,enum rt_rf_power_state StateToSet,RT_RF_CHANGE_SOURCE ChangeSource,bool ProtectOrNot)309 bool MgntActSet_RF_State(struct net_device *dev,
310 enum rt_rf_power_state StateToSet,
311 RT_RF_CHANGE_SOURCE ChangeSource,
312 bool ProtectOrNot)
313 {
314 struct r8192_priv *priv = rtllib_priv(dev);
315 struct rtllib_device *ieee = priv->rtllib;
316 bool bActionAllowed = false;
317 bool bConnectBySSID = false;
318 enum rt_rf_power_state rtState;
319 u16 RFWaitCounter = 0;
320 unsigned long flag;
321
322 RT_TRACE((COMP_PS | COMP_RF),
323 "===>MgntActSet_RF_State(): StateToSet(%d)\n", StateToSet);
324
325 ProtectOrNot = false;
326
327
328 if (!ProtectOrNot) {
329 while (true) {
330 spin_lock_irqsave(&priv->rf_ps_lock, flag);
331 if (priv->RFChangeInProgress) {
332 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
333 RT_TRACE((COMP_PS | COMP_RF),
334 "MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n",
335 StateToSet);
336
337 while (priv->RFChangeInProgress) {
338 RFWaitCounter++;
339 RT_TRACE((COMP_PS | COMP_RF),
340 "MgntActSet_RF_State(): Wait 1 ms (%d times)...\n",
341 RFWaitCounter);
342 mdelay(1);
343
344 if (RFWaitCounter > 100) {
345 RT_TRACE(COMP_ERR,
346 "MgntActSet_RF_State(): Wait too logn to set RF\n");
347 return false;
348 }
349 }
350 } else {
351 priv->RFChangeInProgress = true;
352 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
353 break;
354 }
355 }
356 }
357
358 rtState = priv->rtllib->eRFPowerState;
359
360 switch (StateToSet) {
361 case eRfOn:
362 priv->rtllib->RfOffReason &= (~ChangeSource);
363
364 if ((ChangeSource == RF_CHANGE_BY_HW) && priv->bHwRadioOff)
365 priv->bHwRadioOff = false;
366
367 if (!priv->rtllib->RfOffReason) {
368 priv->rtllib->RfOffReason = 0;
369 bActionAllowed = true;
370
371
372 if (rtState == eRfOff &&
373 ChangeSource >= RF_CHANGE_BY_HW)
374 bConnectBySSID = true;
375 } else {
376 RT_TRACE((COMP_PS | COMP_RF),
377 "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n",
378 priv->rtllib->RfOffReason, ChangeSource);
379 }
380
381 break;
382
383 case eRfOff:
384
385 if ((priv->rtllib->iw_mode == IW_MODE_INFRA) ||
386 (priv->rtllib->iw_mode == IW_MODE_ADHOC)) {
387 if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) ||
388 (ChangeSource > RF_CHANGE_BY_IPS)) {
389 if (ieee->state == RTLLIB_LINKED)
390 priv->blinked_ingpio = true;
391 else
392 priv->blinked_ingpio = false;
393 rtllib_MgntDisconnect(priv->rtllib,
394 disas_lv_ss);
395 }
396 }
397 if ((ChangeSource == RF_CHANGE_BY_HW) && !priv->bHwRadioOff)
398 priv->bHwRadioOff = true;
399 priv->rtllib->RfOffReason |= ChangeSource;
400 bActionAllowed = true;
401 break;
402
403 case eRfSleep:
404 priv->rtllib->RfOffReason |= ChangeSource;
405 bActionAllowed = true;
406 break;
407
408 default:
409 break;
410 }
411
412 if (bActionAllowed) {
413 RT_TRACE((COMP_PS | COMP_RF),
414 "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n",
415 StateToSet, priv->rtllib->RfOffReason);
416 PHY_SetRFPowerState(dev, StateToSet);
417 if (StateToSet == eRfOn) {
418
419 if (bConnectBySSID && priv->blinked_ingpio) {
420 queue_delayed_work_rsl(ieee->wq,
421 &ieee->associate_procedure_wq, 0);
422 priv->blinked_ingpio = false;
423 }
424 }
425 } else {
426 RT_TRACE((COMP_PS | COMP_RF),
427 "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n",
428 StateToSet, ChangeSource, priv->rtllib->RfOffReason);
429 }
430
431 if (!ProtectOrNot) {
432 spin_lock_irqsave(&priv->rf_ps_lock, flag);
433 priv->RFChangeInProgress = false;
434 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
435 }
436
437 RT_TRACE((COMP_PS | COMP_RF), "<===MgntActSet_RF_State()\n");
438 return bActionAllowed;
439 }
440
441
rtl8192_get_nic_desc_num(struct net_device * dev,int prio)442 static short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
443 {
444 struct r8192_priv *priv = rtllib_priv(dev);
445 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
446
447 /* For now, we reserved two free descriptor as a safety boundary
448 * between the tail and the head
449 */
450 if ((prio == MGNT_QUEUE) && (skb_queue_len(&ring->queue) > 10))
451 RT_TRACE(COMP_DBG,
452 "-----[%d]---------ring->idx=%d queue_len=%d---------\n",
453 prio, ring->idx, skb_queue_len(&ring->queue));
454 return skb_queue_len(&ring->queue);
455 }
456
rtl8192_check_nic_enough_desc(struct net_device * dev,int prio)457 static short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
458 {
459 struct r8192_priv *priv = rtllib_priv(dev);
460 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
461
462 if (ring->entries - skb_queue_len(&ring->queue) >= 2)
463 return 1;
464 return 0;
465 }
466
rtl8192_tx_timeout(struct net_device * dev)467 void rtl8192_tx_timeout(struct net_device *dev)
468 {
469 struct r8192_priv *priv = rtllib_priv(dev);
470
471 schedule_work(&priv->reset_wq);
472 netdev_info(dev, "TXTIMEOUT");
473 }
474
rtl8192_irq_enable(struct net_device * dev)475 void rtl8192_irq_enable(struct net_device *dev)
476 {
477 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
478
479 priv->irq_enabled = 1;
480
481 priv->ops->irq_enable(dev);
482 }
483
rtl8192_irq_disable(struct net_device * dev)484 void rtl8192_irq_disable(struct net_device *dev)
485 {
486 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
487
488 priv->ops->irq_disable(dev);
489
490 priv->irq_enabled = 0;
491 }
492
rtl8192_set_chan(struct net_device * dev,short ch)493 void rtl8192_set_chan(struct net_device *dev, short ch)
494 {
495 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
496
497 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
498 if (priv->chan_forced)
499 return;
500
501 priv->chan = ch;
502
503 if (priv->rf_set_chan)
504 priv->rf_set_chan(dev, priv->chan);
505 }
506
rtl8192_update_cap(struct net_device * dev,u16 cap)507 void rtl8192_update_cap(struct net_device *dev, u16 cap)
508 {
509 struct r8192_priv *priv = rtllib_priv(dev);
510 struct rtllib_network *net = &priv->rtllib->current_network;
511 bool ShortPreamble;
512
513 if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE) {
514 if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT) {
515 ShortPreamble = true;
516 priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
517 RT_TRACE(COMP_DBG,
518 "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n",
519 __func__);
520 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
521 (unsigned char *)&ShortPreamble);
522 }
523 } else {
524 if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG) {
525 ShortPreamble = false;
526 priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
527 RT_TRACE(COMP_DBG,
528 "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n",
529 __func__);
530 priv->rtllib->SetHwRegHandler(dev, HW_VAR_ACK_PREAMBLE,
531 (unsigned char *)&ShortPreamble);
532 }
533 }
534
535 if (net->mode & (IEEE_G|IEEE_N_24G)) {
536 u8 slot_time_val;
537 u8 CurSlotTime = priv->slot_time;
538
539 if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) &&
540 (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime)) {
541 if (CurSlotTime != SHORT_SLOT_TIME) {
542 slot_time_val = SHORT_SLOT_TIME;
543 priv->rtllib->SetHwRegHandler(dev,
544 HW_VAR_SLOT_TIME, &slot_time_val);
545 }
546 } else {
547 if (CurSlotTime != NON_SHORT_SLOT_TIME) {
548 slot_time_val = NON_SHORT_SLOT_TIME;
549 priv->rtllib->SetHwRegHandler(dev,
550 HW_VAR_SLOT_TIME, &slot_time_val);
551 }
552 }
553 }
554 }
555
556 static struct rtllib_qos_parameters def_qos_parameters = {
557 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
558 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
559 {2, 2, 2, 2},
560 {0, 0, 0, 0},
561 {0, 0, 0, 0}
562 };
563
rtl8192_update_beacon(void * data)564 static void rtl8192_update_beacon(void *data)
565 {
566 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
567 update_beacon_wq.work);
568 struct net_device *dev = priv->rtllib->dev;
569 struct rtllib_device *ieee = priv->rtllib;
570 struct rtllib_network *net = &ieee->current_network;
571
572 if (ieee->pHTInfo->bCurrentHTSupport)
573 HT_update_self_and_peer_setting(ieee, net);
574 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
575 net->bssht.bdRT2RTLongSlotTime;
576 ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
577 rtl8192_update_cap(dev, net->capability);
578 }
579
rtl8192_qos_activate(void * data)580 static void rtl8192_qos_activate(void *data)
581 {
582 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
583 qos_activate);
584 struct net_device *dev = priv->rtllib->dev;
585 int i;
586
587 mutex_lock(&priv->mutex);
588 if (priv->rtllib->state != RTLLIB_LINKED)
589 goto success;
590 RT_TRACE(COMP_QOS,
591 "qos active process with associate response received\n");
592
593 for (i = 0; i < QOS_QUEUE_NUM; i++)
594 priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8 *)(&i));
595
596
597 success:
598 mutex_unlock(&priv->mutex);
599 }
600
rtl8192_qos_handle_probe_response(struct r8192_priv * priv,int active_network,struct rtllib_network * network)601 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
602 int active_network,
603 struct rtllib_network *network)
604 {
605 int ret = 0;
606 u32 size = sizeof(struct rtllib_qos_parameters);
607
608 if (priv->rtllib->state != RTLLIB_LINKED)
609 return ret;
610
611 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
612 return ret;
613
614 if (network->flags & NETWORK_HAS_QOS_MASK) {
615 if (active_network &&
616 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
617 network->qos_data.active = network->qos_data.supported;
618
619 if ((network->qos_data.active == 1) && (active_network == 1) &&
620 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
621 (network->qos_data.old_param_count !=
622 network->qos_data.param_count)) {
623 network->qos_data.old_param_count =
624 network->qos_data.param_count;
625 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
626 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
627 RT_TRACE(COMP_QOS,
628 "QoS parameters change call qos_activate\n");
629 }
630 } else {
631 memcpy(&priv->rtllib->current_network.qos_data.parameters,
632 &def_qos_parameters, size);
633
634 if ((network->qos_data.active == 1) && (active_network == 1)) {
635 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
636 RT_TRACE(COMP_QOS,
637 "QoS was disabled call qos_activate\n");
638 }
639 network->qos_data.active = 0;
640 network->qos_data.supported = 0;
641 }
642
643 return 0;
644 }
645
rtl8192_handle_beacon(struct net_device * dev,struct rtllib_beacon * beacon,struct rtllib_network * network)646 static int rtl8192_handle_beacon(struct net_device *dev,
647 struct rtllib_beacon *beacon,
648 struct rtllib_network *network)
649 {
650 struct r8192_priv *priv = rtllib_priv(dev);
651
652 rtl8192_qos_handle_probe_response(priv, 1, network);
653
654 queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
655 return 0;
656
657 }
658
rtl8192_qos_association_resp(struct r8192_priv * priv,struct rtllib_network * network)659 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
660 struct rtllib_network *network)
661 {
662 unsigned long flags;
663 u32 size = sizeof(struct rtllib_qos_parameters);
664 int set_qos_param = 0;
665
666 if ((priv == NULL) || (network == NULL))
667 return 0;
668
669 if (priv->rtllib->state != RTLLIB_LINKED)
670 return 0;
671
672 if (priv->rtllib->iw_mode != IW_MODE_INFRA)
673 return 0;
674
675 spin_lock_irqsave(&priv->rtllib->lock, flags);
676 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
677 memcpy(&priv->rtllib->current_network.qos_data.parameters,
678 &network->qos_data.parameters,
679 sizeof(struct rtllib_qos_parameters));
680 priv->rtllib->current_network.qos_data.active = 1;
681 priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
682 set_qos_param = 1;
683 priv->rtllib->current_network.qos_data.old_param_count =
684 priv->rtllib->current_network.qos_data.param_count;
685 priv->rtllib->current_network.qos_data.param_count =
686 network->qos_data.param_count;
687 } else {
688 memcpy(&priv->rtllib->current_network.qos_data.parameters,
689 &def_qos_parameters, size);
690 priv->rtllib->current_network.qos_data.active = 0;
691 priv->rtllib->current_network.qos_data.supported = 0;
692 set_qos_param = 1;
693 }
694
695 spin_unlock_irqrestore(&priv->rtllib->lock, flags);
696
697 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
698 network->flags, priv->rtllib->current_network.qos_data.active);
699 if (set_qos_param == 1) {
700 dm_init_edca_turbo(priv->rtllib->dev);
701 queue_work_rsl(priv->priv_wq, &priv->qos_activate);
702 }
703 return 0;
704 }
705
rtl8192_handle_assoc_response(struct net_device * dev,struct rtllib_assoc_response_frame * resp,struct rtllib_network * network)706 static int rtl8192_handle_assoc_response(struct net_device *dev,
707 struct rtllib_assoc_response_frame *resp,
708 struct rtllib_network *network)
709 {
710 struct r8192_priv *priv = rtllib_priv(dev);
711
712 rtl8192_qos_association_resp(priv, network);
713 return 0;
714 }
715
rtl8192_prepare_beacon(struct r8192_priv * priv)716 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
717 {
718 struct net_device *dev = priv->rtllib->dev;
719 struct sk_buff *pskb = NULL, *pnewskb = NULL;
720 struct cb_desc *tcb_desc = NULL;
721 struct rtl8192_tx_ring *ring = NULL;
722 struct tx_desc *pdesc = NULL;
723
724 ring = &priv->tx_ring[BEACON_QUEUE];
725 pskb = __skb_dequeue(&ring->queue);
726 kfree_skb(pskb);
727
728 pnewskb = rtllib_get_beacon(priv->rtllib);
729 if (!pnewskb)
730 return;
731
732 tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
733 tcb_desc->queue_index = BEACON_QUEUE;
734 tcb_desc->data_rate = 2;
735 tcb_desc->RATRIndex = 7;
736 tcb_desc->bTxDisableRateFallBack = 1;
737 tcb_desc->bTxUseDriverAssingedRate = 1;
738 skb_push(pnewskb, priv->rtllib->tx_headroom);
739
740 pdesc = &ring->desc[0];
741 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
742 __skb_queue_tail(&ring->queue, pnewskb);
743 pdesc->OWN = 1;
744 }
745
rtl8192_stop_beacon(struct net_device * dev)746 static void rtl8192_stop_beacon(struct net_device *dev)
747 {
748 }
749
rtl8192_config_rate(struct net_device * dev,u16 * rate_config)750 void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
751 {
752 struct r8192_priv *priv = rtllib_priv(dev);
753 struct rtllib_network *net;
754 u8 i = 0, basic_rate = 0;
755
756 net = &priv->rtllib->current_network;
757
758 for (i = 0; i < net->rates_len; i++) {
759 basic_rate = net->rates[i] & 0x7f;
760 switch (basic_rate) {
761 case MGN_1M:
762 *rate_config |= RRSR_1M;
763 break;
764 case MGN_2M:
765 *rate_config |= RRSR_2M;
766 break;
767 case MGN_5_5M:
768 *rate_config |= RRSR_5_5M;
769 break;
770 case MGN_11M:
771 *rate_config |= RRSR_11M;
772 break;
773 case MGN_6M:
774 *rate_config |= RRSR_6M;
775 break;
776 case MGN_9M:
777 *rate_config |= RRSR_9M;
778 break;
779 case MGN_12M:
780 *rate_config |= RRSR_12M;
781 break;
782 case MGN_18M:
783 *rate_config |= RRSR_18M;
784 break;
785 case MGN_24M:
786 *rate_config |= RRSR_24M;
787 break;
788 case MGN_36M:
789 *rate_config |= RRSR_36M;
790 break;
791 case MGN_48M:
792 *rate_config |= RRSR_48M;
793 break;
794 case MGN_54M:
795 *rate_config |= RRSR_54M;
796 break;
797 }
798 }
799
800 for (i = 0; i < net->rates_ex_len; i++) {
801 basic_rate = net->rates_ex[i] & 0x7f;
802 switch (basic_rate) {
803 case MGN_1M:
804 *rate_config |= RRSR_1M;
805 break;
806 case MGN_2M:
807 *rate_config |= RRSR_2M;
808 break;
809 case MGN_5_5M:
810 *rate_config |= RRSR_5_5M;
811 break;
812 case MGN_11M:
813 *rate_config |= RRSR_11M;
814 break;
815 case MGN_6M:
816 *rate_config |= RRSR_6M;
817 break;
818 case MGN_9M:
819 *rate_config |= RRSR_9M;
820 break;
821 case MGN_12M:
822 *rate_config |= RRSR_12M;
823 break;
824 case MGN_18M:
825 *rate_config |= RRSR_18M;
826 break;
827 case MGN_24M:
828 *rate_config |= RRSR_24M;
829 break;
830 case MGN_36M:
831 *rate_config |= RRSR_36M;
832 break;
833 case MGN_48M:
834 *rate_config |= RRSR_48M;
835 break;
836 case MGN_54M:
837 *rate_config |= RRSR_54M;
838 break;
839 }
840 }
841 }
842
rtl8192_refresh_supportrate(struct r8192_priv * priv)843 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
844 {
845 struct rtllib_device *ieee = priv->rtllib;
846
847 if (ieee->mode == WIRELESS_MODE_N_24G ||
848 ieee->mode == WIRELESS_MODE_N_5G) {
849 memcpy(ieee->Regdot11HTOperationalRateSet,
850 ieee->RegHTSuppRateSet, 16);
851 memcpy(ieee->Regdot11TxHTOperationalRateSet,
852 ieee->RegHTSuppRateSet, 16);
853
854 } else {
855 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
856 }
857 }
858
rtl8192_getSupportedWireleeMode(struct net_device * dev)859 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
860 {
861 struct r8192_priv *priv = rtllib_priv(dev);
862 u8 ret = 0;
863
864 switch (priv->rf_chip) {
865 case RF_8225:
866 case RF_8256:
867 case RF_6052:
868 case RF_PSEUDO_11N:
869 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
870 break;
871 case RF_8258:
872 ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
873 break;
874 default:
875 ret = WIRELESS_MODE_B;
876 break;
877 }
878 return ret;
879 }
880
rtl8192_SetWirelessMode(struct net_device * dev,u8 wireless_mode)881 void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
882 {
883 struct r8192_priv *priv = rtllib_priv(dev);
884 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
885
886 if ((wireless_mode == WIRELESS_MODE_AUTO) ||
887 ((wireless_mode & bSupportMode) == 0)) {
888 if (bSupportMode & WIRELESS_MODE_N_24G) {
889 wireless_mode = WIRELESS_MODE_N_24G;
890 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
891 wireless_mode = WIRELESS_MODE_N_5G;
892 } else if ((bSupportMode & WIRELESS_MODE_A)) {
893 wireless_mode = WIRELESS_MODE_A;
894 } else if ((bSupportMode & WIRELESS_MODE_G)) {
895 wireless_mode = WIRELESS_MODE_G;
896 } else if ((bSupportMode & WIRELESS_MODE_B)) {
897 wireless_mode = WIRELESS_MODE_B;
898 } else {
899 RT_TRACE(COMP_ERR,
900 "%s(), No valid wireless mode supported (%x)!!!\n",
901 __func__, bSupportMode);
902 wireless_mode = WIRELESS_MODE_B;
903 }
904 }
905
906 if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) ==
907 (WIRELESS_MODE_G | WIRELESS_MODE_B))
908 wireless_mode = WIRELESS_MODE_G;
909
910 priv->rtllib->mode = wireless_mode;
911
912 ActUpdateChannelAccessSetting(dev, wireless_mode,
913 &priv->ChannelAccessSetting);
914
915 if ((wireless_mode == WIRELESS_MODE_N_24G) ||
916 (wireless_mode == WIRELESS_MODE_N_5G)) {
917 priv->rtllib->pHTInfo->bEnableHT = 1;
918 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n",
919 __func__, wireless_mode);
920 } else {
921 priv->rtllib->pHTInfo->bEnableHT = 0;
922 RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n",
923 __func__, wireless_mode);
924 }
925
926 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
927 rtl8192_refresh_supportrate(priv);
928 }
929
_rtl8192_sta_up(struct net_device * dev,bool is_silent_reset)930 static int _rtl8192_sta_up(struct net_device *dev, bool is_silent_reset)
931 {
932 struct r8192_priv *priv = rtllib_priv(dev);
933 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
934 (&(priv->rtllib->PowerSaveControl));
935 bool init_status = true;
936
937 priv->bDriverIsGoingToUnload = false;
938 priv->bdisable_nic = false;
939
940 priv->up = 1;
941 priv->rtllib->ieee_up = 1;
942
943 priv->up_first_time = 0;
944 RT_TRACE(COMP_INIT, "Bringing up iface");
945 priv->bfirst_init = true;
946 init_status = priv->ops->initialize_adapter(dev);
947 if (!init_status) {
948 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
949 __func__);
950 priv->bfirst_init = false;
951 return -1;
952 }
953
954 RT_TRACE(COMP_INIT, "start adapter finished\n");
955 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
956 priv->bfirst_init = false;
957
958 if (priv->polling_timer_on == 0)
959 check_rfctrl_gpio_timer((unsigned long)dev);
960
961 if (priv->rtllib->state != RTLLIB_LINKED)
962 rtllib_softmac_start_protocol(priv->rtllib, 0);
963 rtllib_reset_queue(priv->rtllib);
964 watch_dog_timer_callback((unsigned long) dev);
965
966 if (!netif_queue_stopped(dev))
967 netif_start_queue(dev);
968 else
969 netif_wake_queue(dev);
970
971 return 0;
972 }
973
rtl8192_sta_down(struct net_device * dev,bool shutdownrf)974 static int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
975 {
976 struct r8192_priv *priv = rtllib_priv(dev);
977 unsigned long flags = 0;
978 u8 RFInProgressTimeOut = 0;
979
980 if (priv->up == 0)
981 return -1;
982
983 if (priv->rtllib->rtllib_ips_leave != NULL)
984 priv->rtllib->rtllib_ips_leave(dev);
985
986 if (priv->rtllib->state == RTLLIB_LINKED)
987 LeisurePSLeave(dev);
988
989 priv->bDriverIsGoingToUnload = true;
990 priv->up = 0;
991 priv->rtllib->ieee_up = 0;
992 priv->bfirst_after_down = true;
993 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
994 if (!netif_queue_stopped(dev))
995 netif_stop_queue(dev);
996
997 priv->rtllib->wpa_ie_len = 0;
998 kfree(priv->rtllib->wpa_ie);
999 priv->rtllib->wpa_ie = NULL;
1000 CamResetAllEntry(dev);
1001 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1002 rtl8192_irq_disable(dev);
1003
1004 del_timer_sync(&priv->watch_dog_timer);
1005 rtl8192_cancel_deferred_work(priv);
1006 cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
1007
1008 rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
1009 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1010 while (priv->RFChangeInProgress) {
1011 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1012 if (RFInProgressTimeOut > 100) {
1013 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1014 break;
1015 }
1016 RT_TRACE(COMP_DBG,
1017 "===>%s():RF is in progress, need to wait until rf change is done.\n",
1018 __func__);
1019 mdelay(1);
1020 RFInProgressTimeOut++;
1021 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1022 }
1023 priv->RFChangeInProgress = true;
1024 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1025 priv->ops->stop_adapter(dev, false);
1026 spin_lock_irqsave(&priv->rf_ps_lock, flags);
1027 priv->RFChangeInProgress = false;
1028 spin_unlock_irqrestore(&priv->rf_ps_lock, flags);
1029 udelay(100);
1030 memset(&priv->rtllib->current_network, 0,
1031 offsetof(struct rtllib_network, list));
1032 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
1033
1034 return 0;
1035 }
1036
rtl8192_init_priv_handler(struct net_device * dev)1037 static void rtl8192_init_priv_handler(struct net_device *dev)
1038 {
1039 struct r8192_priv *priv = rtllib_priv(dev);
1040
1041 priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1042 priv->rtllib->set_chan = rtl8192_set_chan;
1043 priv->rtllib->link_change = priv->ops->link_change;
1044 priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1045 priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
1046 priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
1047 priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
1048 priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
1049 priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
1050 priv->rtllib->handle_beacon = rtl8192_handle_beacon;
1051 priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
1052 priv->rtllib->LeisurePSLeave = LeisurePSLeave;
1053 priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
1054 priv->rf_set_chan = rtl8192_phy_SwChnl;
1055
1056 priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
1057 priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
1058
1059 priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
1060 priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
1061 priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1062
1063 priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
1064 priv->rtllib->GetHalfNmodeSupportByAPsHandler =
1065 rtl8192_GetHalfNmodeSupportByAPs;
1066
1067 priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
1068 priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
1069 priv->rtllib->SetFwCmdHandler = NULL;
1070 priv->rtllib->InitialGainHandler = InitialGain819xPci;
1071 priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
1072 priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
1073
1074 priv->rtllib->LedControlHandler = NULL;
1075 priv->rtllib->UpdateBeaconInterruptHandler = NULL;
1076
1077 priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
1078
1079 priv->rtllib->rtllib_rfkill_poll = NULL;
1080 }
1081
rtl8192_init_priv_constant(struct net_device * dev)1082 static void rtl8192_init_priv_constant(struct net_device *dev)
1083 {
1084 struct r8192_priv *priv = rtllib_priv(dev);
1085 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1086 &(priv->rtllib->PowerSaveControl);
1087
1088 pPSC->RegMaxLPSAwakeIntvl = 5;
1089
1090 priv->RegPciASPM = 2;
1091
1092 priv->RegDevicePciASPMSetting = 0x03;
1093
1094 priv->RegHostPciASPMSetting = 0x02;
1095
1096 priv->RegHwSwRfOffD3 = 2;
1097
1098 priv->RegSupportPciASPM = 2;
1099 }
1100
1101
rtl8192_init_priv_variable(struct net_device * dev)1102 static void rtl8192_init_priv_variable(struct net_device *dev)
1103 {
1104 struct r8192_priv *priv = rtllib_priv(dev);
1105 u8 i;
1106
1107 priv->AcmMethod = eAcmWay2_SW;
1108 priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
1109 priv->rtllib->hwscan_sem_up = 1;
1110 priv->rtllib->status = 0;
1111 priv->H2CTxCmdSeq = 0;
1112 priv->bDisableFrameBursting = false;
1113 priv->bDMInitialGainEnable = true;
1114 priv->polling_timer_on = 0;
1115 priv->up_first_time = 1;
1116 priv->blinked_ingpio = false;
1117 priv->bDriverIsGoingToUnload = false;
1118 priv->being_init_adapter = false;
1119 priv->initialized_at_probe = false;
1120 priv->sw_radio_on = true;
1121 priv->bdisable_nic = false;
1122 priv->bfirst_init = false;
1123 priv->txringcount = 64;
1124 priv->rxbuffersize = 9100;
1125 priv->rxringcount = MAX_RX_COUNT;
1126 priv->irq_enabled = 0;
1127 priv->chan = 1;
1128 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1129 priv->RegChannelPlan = 0xf;
1130 priv->nrxAMPDU_size = 0;
1131 priv->nrxAMPDU_aggr_num = 0;
1132 priv->last_rxdesc_tsf_high = 0;
1133 priv->last_rxdesc_tsf_low = 0;
1134 priv->rtllib->mode = WIRELESS_MODE_AUTO;
1135 priv->rtllib->iw_mode = IW_MODE_INFRA;
1136 priv->rtllib->bNetPromiscuousMode = false;
1137 priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
1138 priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1139 false;
1140 priv->rtllib->ieee_up = 0;
1141 priv->retry_rts = DEFAULT_RETRY_RTS;
1142 priv->retry_data = DEFAULT_RETRY_DATA;
1143 priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
1144 priv->rtllib->rate = 110;
1145 priv->rtllib->short_slot = 1;
1146 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
1147 priv->bcck_in_ch14 = false;
1148 priv->bfsync_processing = false;
1149 priv->CCKPresentAttentuation = 0;
1150 priv->rfa_txpowertrackingindex = 0;
1151 priv->rfc_txpowertrackingindex = 0;
1152 priv->CckPwEnl = 6;
1153 priv->ScanDelay = 50;
1154 priv->ResetProgress = RESET_TYPE_NORESET;
1155 priv->bForcedSilentReset = false;
1156 priv->bDisableNormalResetCheck = false;
1157 priv->force_reset = false;
1158 memset(priv->rtllib->swcamtable, 0, sizeof(struct sw_cam_table) * 32);
1159
1160 memset(&priv->InterruptLog, 0, sizeof(struct log_int_8190));
1161 priv->RxCounter = 0;
1162 priv->rtllib->wx_set_enc = 0;
1163 priv->bHwRadioOff = false;
1164 priv->RegRfOff = false;
1165 priv->isRFOff = false;
1166 priv->bInPowerSaveMode = false;
1167 priv->rtllib->RfOffReason = 0;
1168 priv->RFChangeInProgress = false;
1169 priv->bHwRfOffAction = 0;
1170 priv->SetRFPowerStateInProgress = false;
1171 priv->rtllib->PowerSaveControl.bInactivePs = true;
1172 priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
1173 priv->rtllib->PowerSaveControl.bLeisurePs = true;
1174 priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
1175 priv->rtllib->LPSDelayCnt = 0;
1176 priv->rtllib->sta_sleep = LPS_IS_WAKE;
1177 priv->rtllib->eRFPowerState = eRfOn;
1178
1179 priv->txpower_checkcnt = 0;
1180 priv->thermal_readback_index = 0;
1181 priv->txpower_tracking_callback_cnt = 0;
1182 priv->ccktxpower_adjustcnt_ch14 = 0;
1183 priv->ccktxpower_adjustcnt_not_ch14 = 0;
1184
1185 priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1186 priv->rtllib->iw_mode = IW_MODE_INFRA;
1187 priv->rtllib->active_scan = 1;
1188 priv->rtllib->be_scan_inprogress = false;
1189 priv->rtllib->modulation = RTLLIB_CCK_MODULATION |
1190 RTLLIB_OFDM_MODULATION;
1191 priv->rtllib->host_encrypt = 1;
1192 priv->rtllib->host_decrypt = 1;
1193
1194 priv->rtllib->dot11PowerSaveMode = eActive;
1195 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
1196 priv->rtllib->MaxMssDensity = 0;
1197 priv->rtllib->MinSpaceCfg = 0;
1198
1199 priv->card_type = PCI;
1200
1201 priv->AcmControl = 0;
1202 priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
1203 if (!priv->pFirmware)
1204 netdev_err(dev,
1205 "rtl8192e: Unable to allocate space for firmware\n");
1206
1207 skb_queue_head_init(&priv->rx_queue);
1208 skb_queue_head_init(&priv->skb_queue);
1209
1210 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1211 skb_queue_head_init(&priv->rtllib->skb_waitQ[i]);
1212 for (i = 0; i < MAX_QUEUE_SIZE; i++)
1213 skb_queue_head_init(&priv->rtllib->skb_aggQ[i]);
1214 }
1215
rtl8192_init_priv_lock(struct r8192_priv * priv)1216 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
1217 {
1218 spin_lock_init(&priv->fw_scan_lock);
1219 spin_lock_init(&priv->tx_lock);
1220 spin_lock_init(&priv->irq_lock);
1221 spin_lock_init(&priv->irq_th_lock);
1222 spin_lock_init(&priv->rf_ps_lock);
1223 spin_lock_init(&priv->ps_lock);
1224 spin_lock_init(&priv->rf_lock);
1225 spin_lock_init(&priv->rt_h2c_lock);
1226 sema_init(&priv->wx_sem, 1);
1227 sema_init(&priv->rf_sem, 1);
1228 mutex_init(&priv->mutex);
1229 }
1230
rtl8192_init_priv_task(struct net_device * dev)1231 static void rtl8192_init_priv_task(struct net_device *dev)
1232 {
1233 struct r8192_priv *priv = rtllib_priv(dev);
1234
1235 priv->priv_wq = create_workqueue(DRV_NAME);
1236 INIT_WORK_RSL(&priv->reset_wq, (void *)rtl8192_restart, dev);
1237 INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)IPSLeave_wq, dev);
1238 INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq,
1239 (void *)rtl819x_watchdog_wqcallback, dev);
1240 INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq,
1241 (void *)dm_txpower_trackingcallback, dev);
1242 INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq,
1243 (void *)dm_rf_pathcheck_workitemcallback, dev);
1244 INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq,
1245 (void *)rtl8192_update_beacon, dev);
1246 INIT_WORK_RSL(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
1247 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,
1248 (void *) rtl8192_hw_wakeup_wq, dev);
1249 INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
1250 (void *) rtl8192_hw_sleep_wq, dev);
1251 tasklet_init(&priv->irq_rx_tasklet,
1252 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
1253 (unsigned long)priv);
1254 tasklet_init(&priv->irq_tx_tasklet,
1255 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
1256 (unsigned long)priv);
1257 tasklet_init(&priv->irq_prepare_beacon_tasklet,
1258 (void(*)(unsigned long))rtl8192_prepare_beacon,
1259 (unsigned long)priv);
1260 }
1261
rtl8192_get_channel_map(struct net_device * dev)1262 static short rtl8192_get_channel_map(struct net_device *dev)
1263 {
1264 int i;
1265
1266 struct r8192_priv *priv = rtllib_priv(dev);
1267
1268 if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
1269 && (priv->rf_chip != RF_6052)) {
1270 RT_TRACE(COMP_ERR,
1271 "%s: unknown rf chip, can't set channel map\n",
1272 __func__);
1273 return -1;
1274 }
1275
1276 if (priv->ChannelPlan >= COUNTRY_CODE_MAX) {
1277 netdev_info(dev,
1278 "rtl819x_init:Error channel plan! Set to default.\n");
1279 priv->ChannelPlan = COUNTRY_CODE_FCC;
1280 }
1281 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
1282 dot11d_init(priv->rtllib);
1283 Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
1284 for (i = 1; i <= 11; i++)
1285 (priv->rtllib->active_channel_map)[i] = 1;
1286 (priv->rtllib->active_channel_map)[12] = 2;
1287 (priv->rtllib->active_channel_map)[13] = 2;
1288
1289 return 0;
1290 }
1291
rtl8192_init(struct net_device * dev)1292 static short rtl8192_init(struct net_device *dev)
1293 {
1294 struct r8192_priv *priv = rtllib_priv(dev);
1295
1296 memset(&(priv->stats), 0, sizeof(struct rt_stats));
1297
1298 rtl8192_init_priv_handler(dev);
1299 rtl8192_init_priv_constant(dev);
1300 rtl8192_init_priv_variable(dev);
1301 rtl8192_init_priv_lock(priv);
1302 rtl8192_init_priv_task(dev);
1303 priv->ops->get_eeprom_size(dev);
1304 priv->ops->init_adapter_variable(dev);
1305 rtl8192_get_channel_map(dev);
1306
1307 init_hal_dm(dev);
1308
1309 init_timer(&priv->watch_dog_timer);
1310 setup_timer(&priv->watch_dog_timer,
1311 watch_dog_timer_callback,
1312 (unsigned long) dev);
1313
1314 init_timer(&priv->gpio_polling_timer);
1315 setup_timer(&priv->gpio_polling_timer,
1316 check_rfctrl_gpio_timer,
1317 (unsigned long)dev);
1318
1319 rtl8192_irq_disable(dev);
1320 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED,
1321 dev->name, dev)) {
1322 netdev_err(dev, "Error allocating IRQ %d", dev->irq);
1323 return -1;
1324 }
1325
1326 priv->irq = dev->irq;
1327 RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
1328
1329 if (rtl8192_pci_initdescring(dev) != 0) {
1330 netdev_err(dev, "Endopoints initialization failed");
1331 free_irq(dev->irq, dev);
1332 return -1;
1333 }
1334
1335 return 0;
1336 }
1337
1338 /***************************************************************************
1339 -------------------------------WATCHDOG STUFF---------------------------
1340 ***************************************************************************/
rtl8192_is_tx_queue_empty(struct net_device * dev)1341 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1342 {
1343 int i = 0;
1344 struct r8192_priv *priv = rtllib_priv(dev);
1345
1346 for (i = 0; i <= MGNT_QUEUE; i++) {
1347 if ((i == TXCMD_QUEUE) || (i == HCCA_QUEUE))
1348 continue;
1349 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0) {
1350 netdev_info(dev, "===>tx queue is not empty:%d, %d\n",
1351 i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1352 return 0;
1353 }
1354 }
1355 return 1;
1356 }
1357
rtl819x_TxCheckStuck(struct net_device * dev)1358 static enum reset_type rtl819x_TxCheckStuck(struct net_device *dev)
1359 {
1360 struct r8192_priv *priv = rtllib_priv(dev);
1361 u8 QueueID;
1362 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1363 bool bCheckFwTxCnt = false;
1364 struct rtl8192_tx_ring *ring = NULL;
1365 struct sk_buff *skb = NULL;
1366 struct cb_desc *tcb_desc = NULL;
1367 unsigned long flags = 0;
1368
1369 switch (priv->rtllib->ps) {
1370 case RTLLIB_PS_DISABLED:
1371 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
1372 break;
1373 case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
1374 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1375 break;
1376 default:
1377 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
1378 break;
1379 }
1380 spin_lock_irqsave(&priv->irq_th_lock, flags);
1381 for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++) {
1382 if (QueueID == TXCMD_QUEUE)
1383 continue;
1384
1385 if (QueueID == BEACON_QUEUE)
1386 continue;
1387
1388 ring = &priv->tx_ring[QueueID];
1389
1390 if (skb_queue_len(&ring->queue) == 0) {
1391 continue;
1392 } else {
1393 skb = (&ring->queue)->next;
1394 tcb_desc = (struct cb_desc *)(skb->cb +
1395 MAX_DEV_ADDR_SIZE);
1396 tcb_desc->nStuckCount++;
1397 bCheckFwTxCnt = true;
1398 if (tcb_desc->nStuckCount > 1)
1399 netdev_info(dev,
1400 "%s: QueueID=%d tcb_desc->nStuckCount=%d\n",
1401 __func__, QueueID,
1402 tcb_desc->nStuckCount);
1403 }
1404 }
1405 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1406
1407 if (bCheckFwTxCnt) {
1408 if (priv->ops->TxCheckStuckHandler(dev)) {
1409 RT_TRACE(COMP_RESET,
1410 "TxCheckStuck(): Fw indicates no Tx condition!\n");
1411 return RESET_TYPE_SILENT;
1412 }
1413 }
1414
1415 return RESET_TYPE_NORESET;
1416 }
1417
rtl819x_RxCheckStuck(struct net_device * dev)1418 static enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
1419 {
1420 struct r8192_priv *priv = rtllib_priv(dev);
1421
1422 if (priv->ops->RxCheckStuckHandler(dev)) {
1423 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
1424 return RESET_TYPE_SILENT;
1425 }
1426
1427 return RESET_TYPE_NORESET;
1428 }
1429
rtl819x_ifcheck_resetornot(struct net_device * dev)1430 static enum reset_type rtl819x_ifcheck_resetornot(struct net_device *dev)
1431 {
1432 struct r8192_priv *priv = rtllib_priv(dev);
1433 enum reset_type TxResetType = RESET_TYPE_NORESET;
1434 enum reset_type RxResetType = RESET_TYPE_NORESET;
1435 enum rt_rf_power_state rfState;
1436
1437 rfState = priv->rtllib->eRFPowerState;
1438
1439 if (rfState == eRfOn)
1440 TxResetType = rtl819x_TxCheckStuck(dev);
1441
1442 if (rfState == eRfOn &&
1443 (priv->rtllib->iw_mode == IW_MODE_INFRA) &&
1444 (priv->rtllib->state == RTLLIB_LINKED))
1445 RxResetType = rtl819x_RxCheckStuck(dev);
1446
1447 if (TxResetType == RESET_TYPE_NORMAL ||
1448 RxResetType == RESET_TYPE_NORMAL) {
1449 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1450 __func__, TxResetType, RxResetType);
1451 return RESET_TYPE_NORMAL;
1452 } else if (TxResetType == RESET_TYPE_SILENT ||
1453 RxResetType == RESET_TYPE_SILENT) {
1454 netdev_info(dev, "%s(): TxResetType is %d, RxResetType is %d\n",
1455 __func__, TxResetType, RxResetType);
1456 return RESET_TYPE_SILENT;
1457 } else {
1458 return RESET_TYPE_NORESET;
1459 }
1460
1461 }
1462
rtl819x_silentreset_mesh_bk(struct net_device * dev,u8 IsPortal)1463 static void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
1464 {
1465 }
1466
rtl819x_ifsilentreset(struct net_device * dev)1467 static void rtl819x_ifsilentreset(struct net_device *dev)
1468 {
1469 struct r8192_priv *priv = rtllib_priv(dev);
1470 u8 reset_times = 0;
1471 int reset_status = 0;
1472 struct rtllib_device *ieee = priv->rtllib;
1473 unsigned long flag;
1474
1475 u8 IsPortal = 0;
1476
1477
1478 if (priv->ResetProgress == RESET_TYPE_NORESET) {
1479
1480 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
1481
1482 priv->ResetProgress = RESET_TYPE_SILENT;
1483
1484 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1485 if (priv->RFChangeInProgress) {
1486 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1487 goto END;
1488 }
1489 priv->RFChangeInProgress = true;
1490 priv->bResetInProgress = true;
1491 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1492
1493 RESET_START:
1494
1495 down(&priv->wx_sem);
1496
1497 if (priv->rtllib->state == RTLLIB_LINKED)
1498 LeisurePSLeave(dev);
1499
1500 if (priv->up) {
1501 RT_TRACE(COMP_ERR,
1502 "%s():the driver is not up! return\n",
1503 __func__);
1504 up(&priv->wx_sem);
1505 return;
1506 }
1507 priv->up = 0;
1508
1509 RT_TRACE(COMP_RESET, "%s():======>start to down the driver\n",
1510 __func__);
1511 mdelay(1000);
1512 RT_TRACE(COMP_RESET,
1513 "%s():111111111111111111111111======>start to down the driver\n",
1514 __func__);
1515
1516 if (!netif_queue_stopped(dev))
1517 netif_stop_queue(dev);
1518
1519 rtl8192_irq_disable(dev);
1520 del_timer_sync(&priv->watch_dog_timer);
1521 rtl8192_cancel_deferred_work(priv);
1522 deinit_hal_dm(dev);
1523 rtllib_stop_scan_syncro(ieee);
1524
1525 if (ieee->state == RTLLIB_LINKED) {
1526 SEM_DOWN_IEEE_WX(&ieee->wx_sem);
1527 netdev_info(dev, "ieee->state is RTLLIB_LINKED\n");
1528 rtllib_stop_send_beacons(priv->rtllib);
1529 del_timer_sync(&ieee->associate_timer);
1530 cancel_delayed_work(&ieee->associate_retry_wq);
1531 rtllib_stop_scan(ieee);
1532 netif_carrier_off(dev);
1533 SEM_UP_IEEE_WX(&ieee->wx_sem);
1534 } else {
1535 netdev_info(dev, "ieee->state is NOT LINKED\n");
1536 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
1537 }
1538
1539 dm_backup_dynamic_mechanism_state(dev);
1540
1541 up(&priv->wx_sem);
1542 RT_TRACE(COMP_RESET,
1543 "%s():<==========down process is finished\n",
1544 __func__);
1545
1546 RT_TRACE(COMP_RESET, "%s():<===========up process start\n",
1547 __func__);
1548 reset_status = _rtl8192_up(dev, true);
1549
1550 RT_TRACE(COMP_RESET,
1551 "%s():<===========up process is finished\n", __func__);
1552 if (reset_status == -1) {
1553 if (reset_times < 3) {
1554 reset_times++;
1555 goto RESET_START;
1556 } else {
1557 RT_TRACE(COMP_ERR,
1558 " ERR!!! %s(): Reset Failed!!\n",
1559 __func__);
1560 }
1561 }
1562
1563 ieee->is_silent_reset = 1;
1564
1565 spin_lock_irqsave(&priv->rf_ps_lock, flag);
1566 priv->RFChangeInProgress = false;
1567 spin_unlock_irqrestore(&priv->rf_ps_lock, flag);
1568
1569 EnableHWSecurityConfig8192(dev);
1570
1571 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1572 IW_MODE_INFRA) {
1573 ieee->set_chan(ieee->dev,
1574 ieee->current_network.channel);
1575
1576 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1577
1578 } else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode ==
1579 IW_MODE_ADHOC) {
1580 ieee->set_chan(ieee->dev,
1581 ieee->current_network.channel);
1582 ieee->link_change(ieee->dev);
1583
1584 notify_wx_assoc_event(ieee);
1585
1586 rtllib_start_send_beacons(ieee);
1587
1588 if (ieee->data_hard_resume)
1589 ieee->data_hard_resume(ieee->dev);
1590 netif_carrier_on(ieee->dev);
1591 } else if (ieee->iw_mode == IW_MODE_MESH) {
1592 rtl819x_silentreset_mesh_bk(dev, IsPortal);
1593 }
1594
1595 CamRestoreAllEntry(dev);
1596 dm_restore_dynamic_mechanism_state(dev);
1597 END:
1598 priv->ResetProgress = RESET_TYPE_NORESET;
1599 priv->reset_count++;
1600
1601 priv->bForcedSilentReset = false;
1602 priv->bResetInProgress = false;
1603
1604 write_nic_byte(dev, UFWP, 1);
1605 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n",
1606 priv->reset_count);
1607 }
1608 }
1609
rtl819x_update_rxcounts(struct r8192_priv * priv,u32 * TotalRxBcnNum,u32 * TotalRxDataNum)1610 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
1611 u32 *TotalRxDataNum)
1612 {
1613 u16 SlotIndex;
1614 u8 i;
1615
1616 *TotalRxBcnNum = 0;
1617 *TotalRxDataNum = 0;
1618
1619 SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++) %
1620 (priv->rtllib->LinkDetectInfo.SlotNum);
1621 priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] =
1622 priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
1623 priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] =
1624 priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
1625 for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
1626 *TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
1627 *TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
1628 }
1629 }
1630
1631
rtl819x_watchdog_wqcallback(void * data)1632 void rtl819x_watchdog_wqcallback(void *data)
1633 {
1634 struct r8192_priv *priv = container_of_dwork_rsl(data,
1635 struct r8192_priv, watch_dog_wq);
1636 struct net_device *dev = priv->rtllib->dev;
1637 struct rtllib_device *ieee = priv->rtllib;
1638 enum reset_type ResetType = RESET_TYPE_NORESET;
1639 static u8 check_reset_cnt;
1640 unsigned long flags;
1641 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1642 (&(priv->rtllib->PowerSaveControl));
1643 bool bBusyTraffic = false;
1644 bool bHigherBusyTraffic = false;
1645 bool bHigherBusyRxTraffic = false;
1646 bool bEnterPS = false;
1647
1648 if (!priv->up || priv->bHwRadioOff)
1649 return;
1650
1651 if (priv->rtllib->state >= RTLLIB_LINKED) {
1652 if (priv->rtllib->CntAfterLink < 2)
1653 priv->rtllib->CntAfterLink++;
1654 } else {
1655 priv->rtllib->CntAfterLink = 0;
1656 }
1657
1658 hal_dm_watchdog(dev);
1659
1660 if (rtllib_act_scanning(priv->rtllib, false) == false) {
1661 if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state ==
1662 RTLLIB_NOLINK) &&
1663 (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key &&
1664 (!ieee->proto_stoppping) && !ieee->wx_set_enc) {
1665 if ((ieee->PowerSaveControl.ReturnPoint ==
1666 IPS_CALLBACK_NONE) &&
1667 (!ieee->bNetPromiscuousMode)) {
1668 RT_TRACE(COMP_PS,
1669 "====================>haha: IPSEnter()\n");
1670 IPSEnter(dev);
1671 }
1672 }
1673 }
1674 if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode ==
1675 IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode)) {
1676 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 100 ||
1677 ieee->LinkDetectInfo.NumTxOkInPeriod > 100)
1678 bBusyTraffic = true;
1679
1680
1681 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
1682 ieee->LinkDetectInfo.NumTxOkInPeriod > 4000) {
1683 bHigherBusyTraffic = true;
1684 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
1685 bHigherBusyRxTraffic = true;
1686 else
1687 bHigherBusyRxTraffic = false;
1688 }
1689
1690 if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +
1691 ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
1692 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
1693 bEnterPS = false;
1694 else
1695 bEnterPS = true;
1696
1697 if (ieee->current_network.beacon_interval < 95)
1698 bEnterPS = false;
1699
1700 if (bEnterPS)
1701 LeisurePSEnter(dev);
1702 else
1703 LeisurePSLeave(dev);
1704
1705 } else {
1706 RT_TRACE(COMP_LPS, "====>no link LPS leave\n");
1707 LeisurePSLeave(dev);
1708 }
1709
1710 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
1711 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
1712 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
1713 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
1714
1715 ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
1716 ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
1717
1718 if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
1719 u32 TotalRxBcnNum = 0;
1720 u32 TotalRxDataNum = 0;
1721
1722 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
1723
1724 if ((TotalRxBcnNum+TotalRxDataNum) == 0)
1725 priv->check_roaming_cnt++;
1726 else
1727 priv->check_roaming_cnt = 0;
1728
1729
1730 if (priv->check_roaming_cnt > 0) {
1731 if (ieee->eRFPowerState == eRfOff)
1732 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
1733
1734 netdev_info(dev,
1735 "===>%s(): AP is power off, chan:%d, connect another one\n",
1736 __func__, priv->chan);
1737
1738 ieee->state = RTLLIB_ASSOCIATING;
1739
1740 RemovePeerTS(priv->rtllib,
1741 priv->rtllib->current_network.bssid);
1742 ieee->is_roaming = true;
1743 ieee->is_set_key = false;
1744 ieee->link_change(dev);
1745 if (ieee->LedControlHandler)
1746 ieee->LedControlHandler(ieee->dev,
1747 LED_CTL_START_TO_LINK);
1748
1749 notify_wx_assoc_event(ieee);
1750
1751 if (!(ieee->rtllib_ap_sec_type(ieee) &
1752 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
1753 queue_delayed_work_rsl(ieee->wq,
1754 &ieee->associate_procedure_wq, 0);
1755
1756 priv->check_roaming_cnt = 0;
1757 }
1758 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
1759 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
1760
1761 }
1762
1763 spin_lock_irqsave(&priv->tx_lock, flags);
1764 if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
1765 (!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing)) {
1766 ResetType = rtl819x_ifcheck_resetornot(dev);
1767 check_reset_cnt = 3;
1768 }
1769 spin_unlock_irqrestore(&priv->tx_lock, flags);
1770
1771 if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) {
1772 priv->ResetProgress = RESET_TYPE_NORMAL;
1773 RT_TRACE(COMP_RESET, "%s(): NOMAL RESET\n", __func__);
1774 return;
1775 }
1776
1777 if (((priv->force_reset) || (!priv->bDisableNormalResetCheck &&
1778 ResetType == RESET_TYPE_SILENT)))
1779 rtl819x_ifsilentreset(dev);
1780 priv->force_reset = false;
1781 priv->bForcedSilentReset = false;
1782 priv->bResetInProgress = false;
1783 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
1784 }
1785
watch_dog_timer_callback(unsigned long data)1786 void watch_dog_timer_callback(unsigned long data)
1787 {
1788 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
1789
1790 queue_delayed_work_rsl(priv->priv_wq, &priv->watch_dog_wq, 0);
1791 mod_timer(&priv->watch_dog_timer, jiffies +
1792 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
1793 }
1794
1795 /****************************************************************************
1796 ---------------------------- NIC TX/RX STUFF---------------------------
1797 *****************************************************************************/
rtl8192_rx_enable(struct net_device * dev)1798 void rtl8192_rx_enable(struct net_device *dev)
1799 {
1800 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1801
1802 priv->ops->rx_enable(dev);
1803 }
1804
rtl8192_tx_enable(struct net_device * dev)1805 void rtl8192_tx_enable(struct net_device *dev)
1806 {
1807 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1808
1809 priv->ops->tx_enable(dev);
1810
1811 rtllib_reset_queue(priv->rtllib);
1812 }
1813
1814
rtl8192_free_rx_ring(struct net_device * dev)1815 static void rtl8192_free_rx_ring(struct net_device *dev)
1816 {
1817 struct r8192_priv *priv = rtllib_priv(dev);
1818 int i, rx_queue_idx;
1819
1820 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE;
1821 rx_queue_idx++) {
1822 for (i = 0; i < priv->rxringcount; i++) {
1823 struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
1824
1825 if (!skb)
1826 continue;
1827
1828 pci_unmap_single(priv->pdev,
1829 *((dma_addr_t *)skb->cb),
1830 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1831 kfree_skb(skb);
1832 }
1833
1834 pci_free_consistent(priv->pdev,
1835 sizeof(*priv->rx_ring[rx_queue_idx]) *
1836 priv->rxringcount,
1837 priv->rx_ring[rx_queue_idx],
1838 priv->rx_ring_dma[rx_queue_idx]);
1839 priv->rx_ring[rx_queue_idx] = NULL;
1840 }
1841 }
1842
rtl8192_free_tx_ring(struct net_device * dev,unsigned int prio)1843 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
1844 {
1845 struct r8192_priv *priv = rtllib_priv(dev);
1846 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1847
1848 while (skb_queue_len(&ring->queue)) {
1849 struct tx_desc *entry = &ring->desc[ring->idx];
1850 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1851
1852 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1853 skb->len, PCI_DMA_TODEVICE);
1854 kfree_skb(skb);
1855 ring->idx = (ring->idx + 1) % ring->entries;
1856 }
1857
1858 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
1859 ring->desc, ring->dma);
1860 ring->desc = NULL;
1861 }
1862
rtl8192_data_hard_stop(struct net_device * dev)1863 void rtl8192_data_hard_stop(struct net_device *dev)
1864 {
1865 }
1866
1867
rtl8192_data_hard_resume(struct net_device * dev)1868 void rtl8192_data_hard_resume(struct net_device *dev)
1869 {
1870 }
1871
rtl8192_hard_data_xmit(struct sk_buff * skb,struct net_device * dev,int rate)1872 void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1873 int rate)
1874 {
1875 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1876 int ret;
1877 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1878 MAX_DEV_ADDR_SIZE);
1879 u8 queue_index = tcb_desc->queue_index;
1880
1881 if ((priv->rtllib->eRFPowerState == eRfOff) || !priv->up ||
1882 priv->bResetInProgress) {
1883 kfree_skb(skb);
1884 return;
1885 }
1886
1887 assert(queue_index != TXCMD_QUEUE);
1888
1889
1890 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1891 skb_push(skb, priv->rtllib->tx_headroom);
1892 ret = rtl8192_tx(dev, skb);
1893 if (ret != 0)
1894 kfree_skb(skb);
1895
1896 if (queue_index != MGNT_QUEUE) {
1897 priv->rtllib->stats.tx_bytes += (skb->len -
1898 priv->rtllib->tx_headroom);
1899 priv->rtllib->stats.tx_packets++;
1900 }
1901 }
1902
rtl8192_hard_start_xmit(struct sk_buff * skb,struct net_device * dev)1903 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1904 {
1905 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1906 int ret;
1907 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1908 MAX_DEV_ADDR_SIZE);
1909 u8 queue_index = tcb_desc->queue_index;
1910
1911 if (queue_index != TXCMD_QUEUE) {
1912 if ((priv->rtllib->eRFPowerState == eRfOff) ||
1913 !priv->up || priv->bResetInProgress) {
1914 kfree_skb(skb);
1915 return 0;
1916 }
1917 }
1918
1919 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1920 if (queue_index == TXCMD_QUEUE) {
1921 rtl8192_tx_cmd(dev, skb);
1922 return 0;
1923 }
1924
1925 tcb_desc->RATRIndex = 7;
1926 tcb_desc->bTxDisableRateFallBack = 1;
1927 tcb_desc->bTxUseDriverAssingedRate = 1;
1928 tcb_desc->bTxEnableFwCalcDur = 1;
1929 skb_push(skb, priv->rtllib->tx_headroom);
1930 ret = rtl8192_tx(dev, skb);
1931 if (ret != 0)
1932 kfree_skb(skb);
1933 return ret;
1934 }
1935
rtl8192_tx_isr(struct net_device * dev,int prio)1936 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1937 {
1938 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
1939
1940 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1941
1942 while (skb_queue_len(&ring->queue)) {
1943 struct tx_desc *entry = &ring->desc[ring->idx];
1944 struct sk_buff *skb;
1945
1946 if (prio != BEACON_QUEUE) {
1947 if (entry->OWN)
1948 return;
1949 ring->idx = (ring->idx + 1) % ring->entries;
1950 }
1951
1952 skb = __skb_dequeue(&ring->queue);
1953 pci_unmap_single(priv->pdev, entry->TxBuffAddr,
1954 skb->len, PCI_DMA_TODEVICE);
1955
1956 kfree_skb(skb);
1957 }
1958 if (prio != BEACON_QUEUE)
1959 tasklet_schedule(&priv->irq_tx_tasklet);
1960 }
1961
rtl8192_tx_cmd(struct net_device * dev,struct sk_buff * skb)1962 void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1963 {
1964 struct r8192_priv *priv = rtllib_priv(dev);
1965 struct rtl8192_tx_ring *ring;
1966 struct tx_desc_cmd *entry;
1967 unsigned int idx;
1968 struct cb_desc *tcb_desc;
1969 unsigned long flags;
1970
1971 spin_lock_irqsave(&priv->irq_th_lock, flags);
1972 ring = &priv->tx_ring[TXCMD_QUEUE];
1973
1974 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1975 entry = (struct tx_desc_cmd *) &ring->desc[idx];
1976
1977 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1978
1979 priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
1980
1981 __skb_queue_tail(&ring->queue, skb);
1982 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1983 }
1984
rtl8192_tx(struct net_device * dev,struct sk_buff * skb)1985 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1986 {
1987 struct r8192_priv *priv = rtllib_priv(dev);
1988 struct rtl8192_tx_ring *ring;
1989 unsigned long flags;
1990 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb +
1991 MAX_DEV_ADDR_SIZE);
1992 struct tx_desc *pdesc = NULL;
1993 struct rtllib_hdr_1addr *header = NULL;
1994 u16 fc = 0, type = 0, stype = 0;
1995 bool multi_addr = false, broad_addr = false, uni_addr = false;
1996 u8 *pda_addr = NULL;
1997 int idx;
1998 u32 fwinfo_size = 0;
1999
2000 if (priv->bdisable_nic) {
2001 RT_TRACE(COMP_ERR,
2002 "%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
2003 __func__, skb->len, tcb_desc->queue_index);
2004 return skb->len;
2005 }
2006
2007 priv->rtllib->bAwakePktSent = true;
2008
2009 fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
2010
2011 header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
2012 fc = le16_to_cpu(header->frame_ctl);
2013 type = WLAN_FC_GET_TYPE(fc);
2014 stype = WLAN_FC_GET_STYPE(fc);
2015 pda_addr = header->addr1;
2016
2017 if (is_broadcast_ether_addr(pda_addr))
2018 broad_addr = true;
2019 else if (is_multicast_ether_addr(pda_addr))
2020 multi_addr = true;
2021 else
2022 uni_addr = true;
2023
2024 if (uni_addr)
2025 priv->stats.txbytesunicast += skb->len - fwinfo_size;
2026 else if (multi_addr)
2027 priv->stats.txbytesmulticast += skb->len - fwinfo_size;
2028 else
2029 priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
2030
2031 spin_lock_irqsave(&priv->irq_th_lock, flags);
2032 ring = &priv->tx_ring[tcb_desc->queue_index];
2033 if (tcb_desc->queue_index != BEACON_QUEUE)
2034 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
2035 else
2036 idx = 0;
2037
2038 pdesc = &ring->desc[idx];
2039 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
2040 RT_TRACE(COMP_ERR,
2041 "No more TX desc@%d, ring->idx = %d, idx = %d, skblen = 0x%x queuelen=%d",
2042 tcb_desc->queue_index, ring->idx, idx, skb->len,
2043 skb_queue_len(&ring->queue));
2044 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2045 return skb->len;
2046 }
2047
2048 if (type == RTLLIB_FTYPE_DATA) {
2049 if (priv->rtllib->LedControlHandler)
2050 priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
2051 }
2052 priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
2053 __skb_queue_tail(&ring->queue, skb);
2054 pdesc->OWN = 1;
2055 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2056 dev->trans_start = jiffies;
2057
2058 write_nic_word(dev, TPPoll, 0x01 << tcb_desc->queue_index);
2059 return 0;
2060 }
2061
rtl8192_alloc_rx_desc_ring(struct net_device * dev)2062 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
2063 {
2064 struct r8192_priv *priv = rtllib_priv(dev);
2065 struct rx_desc *entry = NULL;
2066 int i, rx_queue_idx;
2067
2068 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2069 priv->rx_ring[rx_queue_idx] =
2070 pci_zalloc_consistent(priv->pdev,
2071 sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
2072 &priv->rx_ring_dma[rx_queue_idx]);
2073 if (!priv->rx_ring[rx_queue_idx] ||
2074 (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
2075 RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n");
2076 return -ENOMEM;
2077 }
2078
2079 priv->rx_idx[rx_queue_idx] = 0;
2080
2081 for (i = 0; i < priv->rxringcount; i++) {
2082 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
2083 dma_addr_t *mapping;
2084
2085 entry = &priv->rx_ring[rx_queue_idx][i];
2086 if (!skb)
2087 return 0;
2088 skb->dev = dev;
2089 priv->rx_buf[rx_queue_idx][i] = skb;
2090 mapping = (dma_addr_t *)skb->cb;
2091 *mapping = pci_map_single(priv->pdev,
2092 skb_tail_pointer_rsl(skb),
2093 priv->rxbuffersize,
2094 PCI_DMA_FROMDEVICE);
2095 if (pci_dma_mapping_error(priv->pdev, *mapping)) {
2096 dev_kfree_skb_any(skb);
2097 return -1;
2098 }
2099 entry->BufferAddress = *mapping;
2100
2101 entry->Length = priv->rxbuffersize;
2102 entry->OWN = 1;
2103 }
2104
2105 if(entry)
2106 entry->EOR = 1;
2107 }
2108 return 0;
2109 }
2110
rtl8192_alloc_tx_desc_ring(struct net_device * dev,unsigned int prio,unsigned int entries)2111 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
2112 unsigned int prio, unsigned int entries)
2113 {
2114 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2115 struct tx_desc *ring;
2116 dma_addr_t dma;
2117 int i;
2118
2119 ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
2120 if (!ring || (unsigned long)ring & 0xFF) {
2121 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n",
2122 prio);
2123 return -ENOMEM;
2124 }
2125
2126 priv->tx_ring[prio].desc = ring;
2127 priv->tx_ring[prio].dma = dma;
2128 priv->tx_ring[prio].idx = 0;
2129 priv->tx_ring[prio].entries = entries;
2130 skb_queue_head_init(&priv->tx_ring[prio].queue);
2131
2132 for (i = 0; i < entries; i++)
2133 ring[i].NextDescAddress =
2134 (u32)dma + ((i + 1) % entries) *
2135 sizeof(*ring);
2136
2137 return 0;
2138 }
2139
2140
rtl8192_pci_initdescring(struct net_device * dev)2141 short rtl8192_pci_initdescring(struct net_device *dev)
2142 {
2143 u32 ret;
2144 int i;
2145 struct r8192_priv *priv = rtllib_priv(dev);
2146
2147 ret = rtl8192_alloc_rx_desc_ring(dev);
2148 if (ret)
2149 return ret;
2150
2151 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2152 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
2153 if (ret)
2154 goto err_free_rings;
2155 }
2156
2157 return 0;
2158
2159 err_free_rings:
2160 rtl8192_free_rx_ring(dev);
2161 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2162 if (priv->tx_ring[i].desc)
2163 rtl8192_free_tx_ring(dev, i);
2164 return 1;
2165 }
2166
rtl8192_pci_resetdescring(struct net_device * dev)2167 void rtl8192_pci_resetdescring(struct net_device *dev)
2168 {
2169 struct r8192_priv *priv = rtllib_priv(dev);
2170 int i, rx_queue_idx;
2171 unsigned long flags = 0;
2172
2173 for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) {
2174 if (priv->rx_ring[rx_queue_idx]) {
2175 struct rx_desc *entry = NULL;
2176
2177 for (i = 0; i < priv->rxringcount; i++) {
2178 entry = &priv->rx_ring[rx_queue_idx][i];
2179 entry->OWN = 1;
2180 }
2181 priv->rx_idx[rx_queue_idx] = 0;
2182 }
2183 }
2184
2185 spin_lock_irqsave(&priv->irq_th_lock, flags);
2186 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
2187 if (priv->tx_ring[i].desc) {
2188 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
2189
2190 while (skb_queue_len(&ring->queue)) {
2191 struct tx_desc *entry = &ring->desc[ring->idx];
2192 struct sk_buff *skb =
2193 __skb_dequeue(&ring->queue);
2194
2195 pci_unmap_single(priv->pdev,
2196 entry->TxBuffAddr,
2197 skb->len, PCI_DMA_TODEVICE);
2198 kfree_skb(skb);
2199 ring->idx = (ring->idx + 1) % ring->entries;
2200 }
2201 ring->idx = 0;
2202 }
2203 }
2204 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2205 }
2206
rtl819x_UpdateRxPktTimeStamp(struct net_device * dev,struct rtllib_rx_stats * stats)2207 void rtl819x_UpdateRxPktTimeStamp(struct net_device *dev,
2208 struct rtllib_rx_stats *stats)
2209 {
2210 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2211
2212 if (stats->bIsAMPDU && !stats->bFirstMPDU)
2213 stats->mac_time = priv->LastRxDescTSF;
2214 else
2215 priv->LastRxDescTSF = stats->mac_time;
2216 }
2217
rtl819x_translate_todbm(struct r8192_priv * priv,u8 signal_strength_index)2218 long rtl819x_translate_todbm(struct r8192_priv *priv, u8 signal_strength_index)
2219 {
2220 long signal_power;
2221
2222 signal_power = (long)((signal_strength_index + 1) >> 1);
2223 signal_power -= 95;
2224
2225 return signal_power;
2226 }
2227
2228
2229 void
rtl819x_update_rxsignalstatistics8190pci(struct r8192_priv * priv,struct rtllib_rx_stats * pprevious_stats)2230 rtl819x_update_rxsignalstatistics8190pci(
2231 struct r8192_priv *priv,
2232 struct rtllib_rx_stats *pprevious_stats
2233 )
2234 {
2235 int weighting = 0;
2236
2237
2238 if (priv->stats.recv_signal_power == 0)
2239 priv->stats.recv_signal_power =
2240 pprevious_stats->RecvSignalPower;
2241
2242 if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
2243 weighting = 5;
2244 else if (pprevious_stats->RecvSignalPower <
2245 priv->stats.recv_signal_power)
2246 weighting = (-5);
2247 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 +
2248 pprevious_stats->RecvSignalPower +
2249 weighting) / 6;
2250 }
2251
rtl819x_process_cck_rxpathsel(struct r8192_priv * priv,struct rtllib_rx_stats * pprevious_stats)2252 void rtl819x_process_cck_rxpathsel(struct r8192_priv *priv,
2253 struct rtllib_rx_stats *pprevious_stats)
2254 {
2255 }
2256
2257
rtl819x_query_rxpwrpercentage(char antpower)2258 u8 rtl819x_query_rxpwrpercentage(char antpower)
2259 {
2260 if ((antpower <= -100) || (antpower >= 20))
2261 return 0;
2262 else if (antpower >= 0)
2263 return 100;
2264 else
2265 return 100 + antpower;
2266
2267 } /* QueryRxPwrPercentage */
2268
2269 u8
rtl819x_evm_dbtopercentage(char value)2270 rtl819x_evm_dbtopercentage(
2271 char value
2272 )
2273 {
2274 char ret_val;
2275
2276 ret_val = value;
2277
2278 if (ret_val >= 0)
2279 ret_val = 0;
2280 if (ret_val <= -33)
2281 ret_val = -33;
2282 ret_val = 0 - ret_val;
2283 ret_val *= 3;
2284 if (ret_val == 99)
2285 ret_val = 100;
2286 return ret_val;
2287 }
2288
2289 void
rtl8192_record_rxdesc_forlateruse(struct rtllib_rx_stats * psrc_stats,struct rtllib_rx_stats * ptarget_stats)2290 rtl8192_record_rxdesc_forlateruse(
2291 struct rtllib_rx_stats *psrc_stats,
2292 struct rtllib_rx_stats *ptarget_stats
2293 )
2294 {
2295 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
2296 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
2297 }
2298
2299
2300
rtl8192_rx_normal(struct net_device * dev)2301 static void rtl8192_rx_normal(struct net_device *dev)
2302 {
2303 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2304 struct rtllib_hdr_1addr *rtllib_hdr = NULL;
2305 bool unicast_packet = false;
2306 bool bLedBlinking = true;
2307 u16 fc = 0, type = 0;
2308 u32 skb_len = 0;
2309 int rx_queue_idx = RX_MPDU_QUEUE;
2310
2311 struct rtllib_rx_stats stats = {
2312 .signal = 0,
2313 .noise = -98,
2314 .rate = 0,
2315 .freq = RTLLIB_24GHZ_BAND,
2316 };
2317 unsigned int count = priv->rxringcount;
2318
2319 stats.nic_type = NIC_8192E;
2320
2321 while (count--) {
2322 struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx]
2323 [priv->rx_idx[rx_queue_idx]];
2324 struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
2325 [priv->rx_idx[rx_queue_idx]];
2326 struct sk_buff *new_skb;
2327
2328 if (pdesc->OWN)
2329 return;
2330 if (!priv->ops->rx_query_status_descriptor(dev, &stats,
2331 pdesc, skb))
2332 goto done;
2333 new_skb = dev_alloc_skb(priv->rxbuffersize);
2334 /* if allocation of new skb failed - drop current packet
2335 * and reuse skb
2336 */
2337 if (unlikely(!new_skb))
2338 goto done;
2339
2340 pci_unmap_single(priv->pdev,
2341 *((dma_addr_t *)skb->cb),
2342 priv->rxbuffersize,
2343 PCI_DMA_FROMDEVICE);
2344
2345 skb_put(skb, pdesc->Length);
2346 skb_reserve(skb, stats.RxDrvInfoSize +
2347 stats.RxBufShift);
2348 skb_trim(skb, skb->len - 4/*sCrcLng*/);
2349 rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
2350 if (!is_multicast_ether_addr(rtllib_hdr->addr1)) {
2351 /* unicast packet */
2352 unicast_packet = true;
2353 }
2354 fc = le16_to_cpu(rtllib_hdr->frame_ctl);
2355 type = WLAN_FC_GET_TYPE(fc);
2356 if (type == RTLLIB_FTYPE_MGMT)
2357 bLedBlinking = false;
2358
2359 if (bLedBlinking)
2360 if (priv->rtllib->LedControlHandler)
2361 priv->rtllib->LedControlHandler(dev,
2362 LED_CTL_RX);
2363
2364 if (stats.bCRC) {
2365 if (type != RTLLIB_FTYPE_MGMT)
2366 priv->stats.rxdatacrcerr++;
2367 else
2368 priv->stats.rxmgmtcrcerr++;
2369 }
2370
2371 skb_len = skb->len;
2372
2373 if (!rtllib_rx(priv->rtllib, skb, &stats)) {
2374 dev_kfree_skb_any(skb);
2375 } else {
2376 priv->stats.rxok++;
2377 if (unicast_packet)
2378 priv->stats.rxbytesunicast += skb_len;
2379 }
2380
2381 skb = new_skb;
2382 skb->dev = dev;
2383
2384 priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
2385 skb;
2386 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
2387 skb_tail_pointer_rsl(skb),
2388 priv->rxbuffersize,
2389 PCI_DMA_FROMDEVICE);
2390 if (pci_dma_mapping_error(priv->pdev,
2391 *((dma_addr_t *)skb->cb))) {
2392 dev_kfree_skb_any(skb);
2393 return;
2394 }
2395 done:
2396 pdesc->BufferAddress = *((dma_addr_t *)skb->cb);
2397 pdesc->OWN = 1;
2398 pdesc->Length = priv->rxbuffersize;
2399 if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
2400 pdesc->EOR = 1;
2401 priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) %
2402 priv->rxringcount;
2403 }
2404
2405 }
2406
rtl8192_rx_cmd(struct net_device * dev)2407 static void rtl8192_rx_cmd(struct net_device *dev)
2408 {
2409 }
2410
2411
rtl8192_tx_resume(struct net_device * dev)2412 static void rtl8192_tx_resume(struct net_device *dev)
2413 {
2414 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2415 struct rtllib_device *ieee = priv->rtllib;
2416 struct sk_buff *skb;
2417 int queue_index;
2418
2419 for (queue_index = BK_QUEUE;
2420 queue_index < MAX_QUEUE_SIZE; queue_index++) {
2421 while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index])) &&
2422 (priv->rtllib->check_nic_enough_desc(dev, queue_index) > 0)) {
2423 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
2424 ieee->softmac_data_hard_start_xmit(skb, dev, 0);
2425 }
2426 }
2427 }
2428
rtl8192_irq_tx_tasklet(struct r8192_priv * priv)2429 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
2430 {
2431 rtl8192_tx_resume(priv->rtllib->dev);
2432 }
2433
rtl8192_irq_rx_tasklet(struct r8192_priv * priv)2434 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
2435 {
2436 rtl8192_rx_normal(priv->rtllib->dev);
2437
2438 if (MAX_RX_QUEUE > 1)
2439 rtl8192_rx_cmd(priv->rtllib->dev);
2440
2441 write_nic_dword(priv->rtllib->dev, INTA_MASK,
2442 read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
2443 }
2444
2445 /****************************************************************************
2446 ---------------------------- NIC START/CLOSE STUFF---------------------------
2447 *****************************************************************************/
rtl8192_cancel_deferred_work(struct r8192_priv * priv)2448 void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
2449 {
2450 cancel_delayed_work(&priv->watch_dog_wq);
2451 cancel_delayed_work(&priv->update_beacon_wq);
2452 cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
2453 cancel_work_sync(&priv->reset_wq);
2454 cancel_work_sync(&priv->qos_activate);
2455 }
2456
_rtl8192_up(struct net_device * dev,bool is_silent_reset)2457 int _rtl8192_up(struct net_device *dev, bool is_silent_reset)
2458 {
2459 if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
2460 return -1;
2461 return 0;
2462 }
2463
2464
rtl8192_open(struct net_device * dev)2465 static int rtl8192_open(struct net_device *dev)
2466 {
2467 struct r8192_priv *priv = rtllib_priv(dev);
2468 int ret;
2469
2470 down(&priv->wx_sem);
2471 ret = rtl8192_up(dev);
2472 up(&priv->wx_sem);
2473 return ret;
2474
2475 }
2476
2477
rtl8192_up(struct net_device * dev)2478 int rtl8192_up(struct net_device *dev)
2479 {
2480 struct r8192_priv *priv = rtllib_priv(dev);
2481
2482 if (priv->up == 1)
2483 return -1;
2484 return _rtl8192_up(dev, false);
2485 }
2486
2487
rtl8192_close(struct net_device * dev)2488 static int rtl8192_close(struct net_device *dev)
2489 {
2490 struct r8192_priv *priv = rtllib_priv(dev);
2491 int ret;
2492
2493 if ((rtllib_act_scanning(priv->rtllib, false)) &&
2494 !(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)) {
2495 rtllib_stop_scan(priv->rtllib);
2496 }
2497
2498 down(&priv->wx_sem);
2499
2500 ret = rtl8192_down(dev, true);
2501
2502 up(&priv->wx_sem);
2503
2504 return ret;
2505
2506 }
2507
rtl8192_down(struct net_device * dev,bool shutdownrf)2508 int rtl8192_down(struct net_device *dev, bool shutdownrf)
2509 {
2510 if (rtl8192_sta_down(dev, shutdownrf) == -1)
2511 return -1;
2512
2513 return 0;
2514 }
2515
rtl8192_commit(struct net_device * dev)2516 void rtl8192_commit(struct net_device *dev)
2517 {
2518 struct r8192_priv *priv = rtllib_priv(dev);
2519
2520 if (priv->up == 0)
2521 return;
2522 rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
2523 rtl8192_irq_disable(dev);
2524 priv->ops->stop_adapter(dev, true);
2525 _rtl8192_up(dev, false);
2526 }
2527
rtl8192_restart(void * data)2528 void rtl8192_restart(void *data)
2529 {
2530 struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv,
2531 reset_wq);
2532 struct net_device *dev = priv->rtllib->dev;
2533
2534 down(&priv->wx_sem);
2535
2536 rtl8192_commit(dev);
2537
2538 up(&priv->wx_sem);
2539 }
2540
r8192_set_multicast(struct net_device * dev)2541 static void r8192_set_multicast(struct net_device *dev)
2542 {
2543 struct r8192_priv *priv = rtllib_priv(dev);
2544 short promisc;
2545
2546 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2547 priv->promisc = promisc;
2548
2549 }
2550
2551
r8192_set_mac_adr(struct net_device * dev,void * mac)2552 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
2553 {
2554 struct r8192_priv *priv = rtllib_priv(dev);
2555 struct sockaddr *addr = mac;
2556
2557 down(&priv->wx_sem);
2558
2559 ether_addr_copy(dev->dev_addr, addr->sa_data);
2560
2561 schedule_work(&priv->reset_wq);
2562 up(&priv->wx_sem);
2563
2564 return 0;
2565 }
2566
2567 /* based on ipw2200 driver */
rtl8192_ioctl(struct net_device * dev,struct ifreq * rq,int cmd)2568 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2569 {
2570 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2571 struct iwreq *wrq = (struct iwreq *)rq;
2572 int ret = -1;
2573 struct rtllib_device *ieee = priv->rtllib;
2574 u32 key[4];
2575 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2576 u8 zero_addr[6] = {0};
2577 struct iw_point *p = &wrq->u.data;
2578 struct ieee_param *ipw = NULL;
2579
2580 down(&priv->wx_sem);
2581
2582 switch (cmd) {
2583 case RTL_IOCTL_WPA_SUPPLICANT:
2584 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
2585 ret = -EINVAL;
2586 goto out;
2587 }
2588
2589 ipw = memdup_user(p->pointer, p->length);
2590 if (IS_ERR(ipw)) {
2591 ret = PTR_ERR(ipw);
2592 goto out;
2593 }
2594
2595 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
2596 if (ipw->u.crypt.set_tx) {
2597 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2598 ieee->pairwise_key_type = KEY_TYPE_CCMP;
2599 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2600 ieee->pairwise_key_type = KEY_TYPE_TKIP;
2601 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2602 if (ipw->u.crypt.key_len == 13)
2603 ieee->pairwise_key_type =
2604 KEY_TYPE_WEP104;
2605 else if (ipw->u.crypt.key_len == 5)
2606 ieee->pairwise_key_type =
2607 KEY_TYPE_WEP40;
2608 } else {
2609 ieee->pairwise_key_type = KEY_TYPE_NA;
2610 }
2611
2612 if (ieee->pairwise_key_type) {
2613 if (memcmp(ieee->ap_mac_addr, zero_addr,
2614 6) == 0)
2615 ieee->iw_mode = IW_MODE_ADHOC;
2616 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2617 EnableHWSecurityConfig8192(dev);
2618 set_swcam(dev, 4, ipw->u.crypt.idx,
2619 ieee->pairwise_key_type,
2620 (u8 *)ieee->ap_mac_addr,
2621 0, key, 0);
2622 setKey(dev, 4, ipw->u.crypt.idx,
2623 ieee->pairwise_key_type,
2624 (u8 *)ieee->ap_mac_addr, 0, key);
2625 if (ieee->iw_mode == IW_MODE_ADHOC) {
2626 set_swcam(dev, ipw->u.crypt.idx,
2627 ipw->u.crypt.idx,
2628 ieee->pairwise_key_type,
2629 (u8 *)ieee->ap_mac_addr,
2630 0, key, 0);
2631 setKey(dev, ipw->u.crypt.idx,
2632 ipw->u.crypt.idx,
2633 ieee->pairwise_key_type,
2634 (u8 *)ieee->ap_mac_addr,
2635 0, key);
2636 }
2637 }
2638 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP)
2639 && ieee->pHTInfo->bCurrentHTSupport) {
2640 write_nic_byte(dev, 0x173, 1);
2641 }
2642
2643 } else {
2644 memcpy((u8 *)key, ipw->u.crypt.key, 16);
2645 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
2646 ieee->group_key_type = KEY_TYPE_CCMP;
2647 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
2648 ieee->group_key_type = KEY_TYPE_TKIP;
2649 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
2650 if (ipw->u.crypt.key_len == 13)
2651 ieee->group_key_type =
2652 KEY_TYPE_WEP104;
2653 else if (ipw->u.crypt.key_len == 5)
2654 ieee->group_key_type =
2655 KEY_TYPE_WEP40;
2656 } else
2657 ieee->group_key_type = KEY_TYPE_NA;
2658
2659 if (ieee->group_key_type) {
2660 set_swcam(dev, ipw->u.crypt.idx,
2661 ipw->u.crypt.idx,
2662 ieee->group_key_type,
2663 broadcast_addr, 0, key, 0);
2664 setKey(dev, ipw->u.crypt.idx,
2665 ipw->u.crypt.idx,
2666 ieee->group_key_type,
2667 broadcast_addr, 0, key);
2668 }
2669 }
2670 }
2671
2672 ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data,
2673 0);
2674 kfree(ipw);
2675 break;
2676 default:
2677 ret = -EOPNOTSUPP;
2678 break;
2679 }
2680
2681 out:
2682 up(&priv->wx_sem);
2683
2684 return ret;
2685 }
2686
2687
rtl8192_interrupt(int irq,void * netdev)2688 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
2689 {
2690 struct net_device *dev = (struct net_device *) netdev;
2691 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
2692 unsigned long flags;
2693 u32 inta;
2694 u32 intb;
2695
2696 intb = 0;
2697
2698 if (priv->irq_enabled == 0)
2699 goto done;
2700
2701 spin_lock_irqsave(&priv->irq_th_lock, flags);
2702
2703 priv->ops->interrupt_recognized(dev, &inta, &intb);
2704 priv->stats.shints++;
2705
2706 if (!inta) {
2707 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2708 goto done;
2709 }
2710
2711 if (inta == 0xffff) {
2712 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2713 goto done;
2714 }
2715
2716 priv->stats.ints++;
2717
2718 if (!netif_running(dev)) {
2719 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2720 goto done;
2721 }
2722
2723 if (inta & IMR_TBDOK) {
2724 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2725 priv->stats.txbeaconokint++;
2726 }
2727
2728 if (inta & IMR_TBDER) {
2729 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
2730 priv->stats.txbeaconerr++;
2731 }
2732
2733 if (inta & IMR_BDOK)
2734 RT_TRACE(COMP_INTR, "beacon interrupt!\n");
2735
2736 if (inta & IMR_MGNTDOK) {
2737 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
2738 priv->stats.txmanageokint++;
2739 rtl8192_tx_isr(dev, MGNT_QUEUE);
2740 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2741 if (priv->rtllib->ack_tx_to_ieee) {
2742 if (rtl8192_is_tx_queue_empty(dev)) {
2743 priv->rtllib->ack_tx_to_ieee = 0;
2744 rtllib_ps_tx_ack(priv->rtllib, 1);
2745 }
2746 }
2747 spin_lock_irqsave(&priv->irq_th_lock, flags);
2748 }
2749
2750 if (inta & IMR_COMDOK) {
2751 priv->stats.txcmdpktokint++;
2752 rtl8192_tx_isr(dev, TXCMD_QUEUE);
2753 }
2754
2755 if (inta & IMR_HIGHDOK)
2756 rtl8192_tx_isr(dev, HIGH_QUEUE);
2757
2758 if (inta & IMR_ROK) {
2759 priv->stats.rxint++;
2760 priv->InterruptLog.nIMR_ROK++;
2761 tasklet_schedule(&priv->irq_rx_tasklet);
2762 }
2763
2764 if (inta & IMR_BcnInt) {
2765 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
2766 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
2767 }
2768
2769 if (inta & IMR_RDU) {
2770 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
2771 priv->stats.rxrdu++;
2772 write_nic_dword(dev, INTA_MASK,
2773 read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
2774 tasklet_schedule(&priv->irq_rx_tasklet);
2775 }
2776
2777 if (inta & IMR_RXFOVW) {
2778 RT_TRACE(COMP_INTR, "rx overflow !\n");
2779 priv->stats.rxoverflow++;
2780 tasklet_schedule(&priv->irq_rx_tasklet);
2781 }
2782
2783 if (inta & IMR_TXFOVW)
2784 priv->stats.txoverflow++;
2785
2786 if (inta & IMR_BKDOK) {
2787 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
2788 priv->stats.txbkokint++;
2789 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2790 rtl8192_tx_isr(dev, BK_QUEUE);
2791 }
2792
2793 if (inta & IMR_BEDOK) {
2794 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
2795 priv->stats.txbeokint++;
2796 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2797 rtl8192_tx_isr(dev, BE_QUEUE);
2798 }
2799
2800 if (inta & IMR_VIDOK) {
2801 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
2802 priv->stats.txviokint++;
2803 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2804 rtl8192_tx_isr(dev, VI_QUEUE);
2805 }
2806
2807 if (inta & IMR_VODOK) {
2808 priv->stats.txvookint++;
2809 RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
2810 priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
2811 rtl8192_tx_isr(dev, VO_QUEUE);
2812 }
2813
2814 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
2815
2816 done:
2817
2818 return IRQ_HANDLED;
2819 }
2820
2821
2822
2823 /****************************************************************************
2824 ---------------------------- PCI_STUFF---------------------------
2825 *****************************************************************************/
2826 static const struct net_device_ops rtl8192_netdev_ops = {
2827 .ndo_open = rtl8192_open,
2828 .ndo_stop = rtl8192_close,
2829 .ndo_tx_timeout = rtl8192_tx_timeout,
2830 .ndo_do_ioctl = rtl8192_ioctl,
2831 .ndo_set_rx_mode = r8192_set_multicast,
2832 .ndo_set_mac_address = r8192_set_mac_adr,
2833 .ndo_validate_addr = eth_validate_addr,
2834 .ndo_change_mtu = eth_change_mtu,
2835 .ndo_start_xmit = rtllib_xmit,
2836 };
2837
rtl8192_pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)2838 static int rtl8192_pci_probe(struct pci_dev *pdev,
2839 const struct pci_device_id *id)
2840 {
2841 unsigned long ioaddr = 0;
2842 struct net_device *dev = NULL;
2843 struct r8192_priv *priv = NULL;
2844 struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
2845 unsigned long pmem_start, pmem_len, pmem_flags;
2846 int err = -ENOMEM;
2847 bool bdma64 = false;
2848 u8 revision_id;
2849
2850 RT_TRACE(COMP_INIT, "Configuring chip resources");
2851
2852 if (pci_enable_device(pdev)) {
2853 RT_TRACE(COMP_ERR, "Failed to enable PCI device");
2854 return -EIO;
2855 }
2856
2857 pci_set_master(pdev);
2858
2859 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
2860 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
2861 dev_info(&pdev->dev,
2862 "Unable to obtain 32bit DMA for consistent allocations\n");
2863 goto err_pci_disable;
2864 }
2865 }
2866 dev = alloc_rtllib(sizeof(struct r8192_priv));
2867 if (!dev)
2868 goto err_pci_disable;
2869
2870 err = -ENODEV;
2871 if (bdma64)
2872 dev->features |= NETIF_F_HIGHDMA;
2873
2874 pci_set_drvdata(pdev, dev);
2875 SET_NETDEV_DEV(dev, &pdev->dev);
2876 priv = rtllib_priv(dev);
2877 priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
2878 priv->pdev = pdev;
2879 priv->rtllib->pdev = pdev;
2880 if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK) &&
2881 (pdev->subsystem_device == 0x3304))
2882 priv->rtllib->bSupportRemoteWakeUp = 1;
2883 else
2884 priv->rtllib->bSupportRemoteWakeUp = 0;
2885
2886 pmem_start = pci_resource_start(pdev, 1);
2887 pmem_len = pci_resource_len(pdev, 1);
2888 pmem_flags = pci_resource_flags(pdev, 1);
2889
2890 if (!(pmem_flags & IORESOURCE_MEM)) {
2891 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting");
2892 goto err_rel_rtllib;
2893 }
2894
2895 dev_info(&pdev->dev, "Memory mapped space start: 0x%08lx\n",
2896 pmem_start);
2897 if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
2898 RT_TRACE(COMP_ERR, "request_mem_region failed!");
2899 goto err_rel_rtllib;
2900 }
2901
2902
2903 ioaddr = (unsigned long)ioremap_nocache(pmem_start, pmem_len);
2904 if (ioaddr == (unsigned long)NULL) {
2905 RT_TRACE(COMP_ERR, "ioremap failed!");
2906 goto err_rel_mem;
2907 }
2908
2909 dev->mem_start = ioaddr;
2910 dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
2911
2912 pci_read_config_byte(pdev, 0x08, &revision_id);
2913 /* If the revisionid is 0x10, the device uses rtl8192se. */
2914 if (pdev->device == 0x8192 && revision_id == 0x10)
2915 goto err_rel_mem;
2916
2917 priv->ops = ops;
2918
2919 if (rtl8192_pci_findadapter(pdev, dev) == false)
2920 goto err_rel_mem;
2921
2922 dev->irq = pdev->irq;
2923 priv->irq = 0;
2924
2925 dev->netdev_ops = &rtl8192_netdev_ops;
2926
2927 dev->wireless_handlers = &r8192_wx_handlers_def;
2928 dev->ethtool_ops = &rtl819x_ethtool_ops;
2929
2930 dev->type = ARPHRD_ETHER;
2931 dev->watchdog_timeo = HZ * 3;
2932
2933 if (dev_alloc_name(dev, ifname) < 0) {
2934 RT_TRACE(COMP_INIT,
2935 "Oops: devname already taken! Trying wlan%%d...\n");
2936 dev_alloc_name(dev, ifname);
2937 }
2938
2939 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
2940 if (rtl8192_init(dev) != 0) {
2941 RT_TRACE(COMP_ERR, "Initialization failed");
2942 goto err_free_irq;
2943 }
2944
2945 netif_carrier_off(dev);
2946 netif_stop_queue(dev);
2947
2948 if (register_netdev(dev))
2949 goto err_free_irq;
2950 RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
2951
2952 if (priv->polling_timer_on == 0)
2953 check_rfctrl_gpio_timer((unsigned long)dev);
2954
2955 RT_TRACE(COMP_INIT, "Driver probe completed\n");
2956 return 0;
2957
2958 err_free_irq:
2959 free_irq(dev->irq, dev);
2960 priv->irq = 0;
2961 err_rel_mem:
2962 release_mem_region(pmem_start, pmem_len);
2963 err_rel_rtllib:
2964 free_rtllib(dev);
2965
2966 DMESG("wlan driver load failed\n");
2967 err_pci_disable:
2968 pci_disable_device(pdev);
2969 return err;
2970 }
2971
rtl8192_pci_disconnect(struct pci_dev * pdev)2972 static void rtl8192_pci_disconnect(struct pci_dev *pdev)
2973 {
2974 struct net_device *dev = pci_get_drvdata(pdev);
2975 struct r8192_priv *priv;
2976 u32 i;
2977
2978 if (dev) {
2979 unregister_netdev(dev);
2980
2981 priv = rtllib_priv(dev);
2982
2983 del_timer_sync(&priv->gpio_polling_timer);
2984 cancel_delayed_work(&priv->gpio_change_rf_wq);
2985 priv->polling_timer_on = 0;
2986 rtl8192_down(dev, true);
2987 deinit_hal_dm(dev);
2988 if (priv->pFirmware) {
2989 vfree(priv->pFirmware);
2990 priv->pFirmware = NULL;
2991 }
2992 destroy_workqueue(priv->priv_wq);
2993 rtl8192_free_rx_ring(dev);
2994 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
2995 rtl8192_free_tx_ring(dev, i);
2996
2997 if (priv->irq) {
2998 dev_info(&pdev->dev, "Freeing irq %d\n", dev->irq);
2999 free_irq(dev->irq, dev);
3000 priv->irq = 0;
3001 }
3002 free_rtllib(dev);
3003
3004 kfree(priv->scan_cmd);
3005
3006 if (dev->mem_start != 0) {
3007 iounmap((void __iomem *)dev->mem_start);
3008 release_mem_region(pci_resource_start(pdev, 1),
3009 pci_resource_len(pdev, 1));
3010 }
3011 } else {
3012 priv = rtllib_priv(dev);
3013 }
3014
3015 pci_disable_device(pdev);
3016 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
3017 }
3018
NicIFEnableNIC(struct net_device * dev)3019 bool NicIFEnableNIC(struct net_device *dev)
3020 {
3021 bool init_status = true;
3022 struct r8192_priv *priv = rtllib_priv(dev);
3023 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
3024 (&(priv->rtllib->PowerSaveControl));
3025
3026 if (!priv->up) {
3027 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",
3028 __func__);
3029 priv->bdisable_nic = false;
3030 return false;
3031 }
3032
3033 RT_TRACE(COMP_PS, "===========>%s()\n", __func__);
3034 priv->bfirst_init = true;
3035 init_status = priv->ops->initialize_adapter(dev);
3036 if (!init_status) {
3037 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization is failed!\n",
3038 __func__);
3039 priv->bdisable_nic = false;
3040 return false;
3041 }
3042 RT_TRACE(COMP_INIT, "start adapter finished\n");
3043 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
3044 priv->bfirst_init = false;
3045
3046 rtl8192_irq_enable(dev);
3047 priv->bdisable_nic = false;
3048 RT_TRACE(COMP_PS, "<===========%s()\n", __func__);
3049 return init_status;
3050 }
NicIFDisableNIC(struct net_device * dev)3051 bool NicIFDisableNIC(struct net_device *dev)
3052 {
3053 struct r8192_priv *priv = rtllib_priv(dev);
3054 u8 tmp_state = 0;
3055
3056 RT_TRACE(COMP_PS, "=========>%s()\n", __func__);
3057 priv->bdisable_nic = true;
3058 tmp_state = priv->rtllib->state;
3059 rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
3060 priv->rtllib->state = tmp_state;
3061 rtl8192_cancel_deferred_work(priv);
3062 rtl8192_irq_disable(dev);
3063
3064 priv->ops->stop_adapter(dev, false);
3065 RT_TRACE(COMP_PS, "<=========%s()\n", __func__);
3066
3067 return true;
3068 }
3069
rtl8192_pci_module_init(void)3070 static int __init rtl8192_pci_module_init(void)
3071 {
3072 pr_info("\nLinux kernel driver for RTL8192E WLAN cards\n");
3073 pr_info("Copyright (c) 2007-2008, Realsil Wlan Driver\n");
3074
3075 if (0 != pci_register_driver(&rtl8192_pci_driver)) {
3076 DMESG("No device found");
3077 /*pci_unregister_driver (&rtl8192_pci_driver);*/
3078 return -ENODEV;
3079 }
3080 return 0;
3081 }
3082
rtl8192_pci_module_exit(void)3083 static void __exit rtl8192_pci_module_exit(void)
3084 {
3085 pci_unregister_driver(&rtl8192_pci_driver);
3086
3087 RT_TRACE(COMP_DOWN, "Exiting");
3088 }
3089
check_rfctrl_gpio_timer(unsigned long data)3090 void check_rfctrl_gpio_timer(unsigned long data)
3091 {
3092 struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
3093
3094 priv->polling_timer_on = 1;
3095
3096 queue_delayed_work_rsl(priv->priv_wq, &priv->gpio_change_rf_wq, 0);
3097
3098 mod_timer(&priv->gpio_polling_timer, jiffies +
3099 msecs_to_jiffies(RTLLIB_WATCH_DOG_TIME));
3100 }
3101
3102 /***************************************************************************
3103 ------------------- module init / exit stubs ----------------
3104 ****************************************************************************/
3105 module_init(rtl8192_pci_module_init);
3106 module_exit(rtl8192_pci_module_exit);
3107
3108 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
3109 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
3110 MODULE_VERSION(DRV_VERSION);
3111 MODULE_LICENSE("GPL");
3112 MODULE_FIRMWARE(RTL8192E_BOOT_IMG_FW);
3113 MODULE_FIRMWARE(RTL8192E_MAIN_IMG_FW);
3114 MODULE_FIRMWARE(RTL8192E_DATA_IMG_FW);
3115
3116 module_param(ifname, charp, S_IRUGO|S_IWUSR);
3117 module_param(hwwep, int, S_IRUGO|S_IWUSR);
3118 module_param(channels, int, S_IRUGO|S_IWUSR);
3119
3120 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
3121 MODULE_PARM_DESC(hwwep, " Try to use hardware WEP support(default use hw. set 0 to use software security)");
3122 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
3123