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staging: rtl8192e: Pass ieee80211_device to callbacks
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rtl8192e / r8192E_core.c
blob661c904ea8f79ab78f1ea02ffbd56f902d3f7437
1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8192E
4 *
5 * Based on the r8180 driver, which is:
6 * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 *
20 * The full GNU General Public License is included in this distribution in the
21 * file called LICENSE.
22 *
23 * Contact Information:
24 * Jerry chuang <wlanfae@realtek.com>
25 */
26
27
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
32 #include "r8192E.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h" /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
40
41 #ifdef CONFIG_PM
42 #include "r8192_pm.h"
43 #endif
44
45 #ifdef ENABLE_DOT11D
46 #include "ieee80211/dot11d.h"
47 #endif
48
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component = COMP_ERR ; //always open err flags on
51
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
53 /* Realtek */
54 { PCI_DEVICE(0x10ec, 0x8192) },
55
56 /* Corega */
57 { PCI_DEVICE(0x07aa, 0x0044) },
58 { PCI_DEVICE(0x07aa, 0x0047) },
59 {}
60 };
61
62 static char ifname[IFNAMSIZ] = "wlan%d";
63 static int hwwep = 1; //default use hw. set 0 to use software security
64 static int channels = 0x3fff;
65
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
71
72
73 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
74 module_param(hwwep,int, S_IRUGO|S_IWUSR);
75 module_param(channels,int, S_IRUGO|S_IWUSR);
76
77 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
80
81 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
82 const struct pci_device_id *id);
83 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
84
85 static struct pci_driver rtl8192_pci_driver = {
86 .name = RTL819xE_MODULE_NAME, /* Driver name */
87 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
88 .probe = rtl8192_pci_probe, /* probe fn */
89 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
90 #ifdef CONFIG_PM
91 .suspend = rtl8192E_suspend, /* PM suspend fn */
92 .resume = rtl8192E_resume, /* PM resume fn */
93 #else
94 .suspend = NULL, /* PM suspend fn */
95 .resume = NULL, /* PM resume fn */
96 #endif
97 };
98
99 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211);
100 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211);
101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
104 static void rtl8192_prepare_beacon(unsigned long arg);
105 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
106 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct r8192_priv *priv);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
113
114 #ifdef ENABLE_DOT11D
115
116 typedef struct _CHANNEL_LIST
117 {
118 u8 Channel[32];
119 u8 Len;
120 }CHANNEL_LIST, *PCHANNEL_LIST;
121
122 static const CHANNEL_LIST ChannelPlan[] = {
123 {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC
124 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
127 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC
132 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
133 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
134 };
135
136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
137 {
138 int i, max_chan=-1, min_chan=-1;
139 struct ieee80211_device* ieee = priv->ieee80211;
140 switch (channel_plan)
141 {
142 case COUNTRY_CODE_FCC:
143 case COUNTRY_CODE_IC:
144 case COUNTRY_CODE_ETSI:
145 case COUNTRY_CODE_SPAIN:
146 case COUNTRY_CODE_FRANCE:
147 case COUNTRY_CODE_MKK:
148 case COUNTRY_CODE_MKK1:
149 case COUNTRY_CODE_ISRAEL:
150 case COUNTRY_CODE_TELEC:
151 case COUNTRY_CODE_MIC:
152 {
153 Dot11d_Init(ieee);
154 ieee->bGlobalDomain = false;
155 //acturally 8225 & 8256 rf chip only support B,G,24N mode
156 min_chan = 1;
157 max_chan = 14;
158
159 if (ChannelPlan[channel_plan].Len != 0){
160 // Clear old channel map
161 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
162 // Set new channel map
163 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
164 {
165 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
166 break;
167 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
168 }
169 }
170 break;
171 }
172 case COUNTRY_CODE_GLOBAL_DOMAIN:
173 {
174 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
175 Dot11d_Reset(ieee);
176 ieee->bGlobalDomain = true;
177 break;
178 }
179 default:
180 break;
181 }
182 }
183 #endif
184
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
186 {
187 return (pdrvinfo->RxRate == DESC90_RATE1M ||
188 pdrvinfo->RxRate == DESC90_RATE2M ||
189 pdrvinfo->RxRate == DESC90_RATE5_5M ||
190 pdrvinfo->RxRate == DESC90_RATE11M) &&
191 !pdrvinfo->RxHT;
192 }
193
194 void CamResetAllEntry(struct r8192_priv* priv)
195 {
196 write_nic_dword(priv, RWCAM, BIT31|BIT30);
197 }
198
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
200 {
201 write_nic_dword(priv, WCAMI, data);
202 write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
203 }
204
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
206 {
207 write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208 return read_nic_dword(priv, 0xa8);
209 }
210
211 u8 read_nic_byte(struct r8192_priv *priv, int x)
212 {
213 return 0xff & readb(priv->mem_start + x);
214 }
215
216 u32 read_nic_dword(struct r8192_priv *priv, int x)
217 {
218 return readl(priv->mem_start + x);
219 }
220
221 u16 read_nic_word(struct r8192_priv *priv, int x)
222 {
223 return readw(priv->mem_start + x);
224 }
225
226 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
227 {
228 writeb(y, priv->mem_start + x);
229 udelay(20);
230 }
231
232 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
233 {
234 writel(y, priv->mem_start + x);
235 udelay(20);
236 }
237
238 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
239 {
240 writew(y, priv->mem_start + x);
241 udelay(20);
242 }
243
244 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
245 {
246 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
247 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
248 int wpa_ie_len= ieee->wpa_ie_len;
249 struct ieee80211_crypt_data* crypt;
250 int encrypt;
251
252 crypt = ieee->crypt[ieee->tx_keyidx];
253
254 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
255 (ieee->host_encrypt && crypt && crypt->ops &&
256 (0 == strcmp(crypt->ops->name,"WEP")));
257
258 /* simply judge */
259 if(encrypt && (wpa_ie_len == 0)) {
260 // wep encryption, no N mode setting */
261 return SEC_ALG_WEP;
262 } else if((wpa_ie_len != 0)) {
263 // parse pairwise key type */
264 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
265 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
266 return SEC_ALG_CCMP;
267 else
268 return SEC_ALG_TKIP;
269 } else {
270 return SEC_ALG_NONE;
271 }
272 }
273
274 void rtl8192e_SetHwReg(struct ieee80211_device *ieee80211, u8 variable, u8 *val)
275 {
276 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
277
278 switch(variable)
279 {
280
281 case HW_VAR_BSSID:
282 write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
283 write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
284 break;
285
286 case HW_VAR_MEDIA_STATUS:
287 {
288 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
289 u8 btMsr = read_nic_byte(priv, MSR);
290
291 btMsr &= 0xfc;
292
293 switch(OpMode)
294 {
295 case RT_OP_MODE_INFRASTRUCTURE:
296 btMsr |= MSR_INFRA;
297 break;
298
299 case RT_OP_MODE_IBSS:
300 btMsr |= MSR_ADHOC;
301 break;
302
303 case RT_OP_MODE_AP:
304 btMsr |= MSR_AP;
305 break;
306
307 default:
308 btMsr |= MSR_NOLINK;
309 break;
310 }
311
312 write_nic_byte(priv, MSR, btMsr);
313 }
314 break;
315
316 case HW_VAR_CHECK_BSSID:
317 {
318 u32 RegRCR, Type;
319
320 Type = ((u8*)(val))[0];
321 RegRCR = read_nic_dword(priv, RCR);
322 priv->ReceiveConfig = RegRCR;
323
324 if (Type == true)
325 RegRCR |= (RCR_CBSSID);
326 else if (Type == false)
327 RegRCR &= (~RCR_CBSSID);
328
329 write_nic_dword(priv, RCR,RegRCR);
330 priv->ReceiveConfig = RegRCR;
331
332 }
333 break;
334
335 case HW_VAR_SLOT_TIME:
336 {
337 priv->slot_time = val[0];
338 write_nic_byte(priv, SLOT_TIME, val[0]);
339
340 }
341 break;
342
343 case HW_VAR_ACK_PREAMBLE:
344 {
345 u32 regTmp = 0;
346 priv->short_preamble = (bool)(*(u8*)val );
347 regTmp = priv->basic_rate;
348 if (priv->short_preamble)
349 regTmp |= BRSR_AckShortPmb;
350 write_nic_dword(priv, RRSR, regTmp);
351 }
352 break;
353
354 case HW_VAR_CPU_RST:
355 write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
356 break;
357
358 default:
359 break;
360 }
361
362 }
363
364 static struct proc_dir_entry *rtl8192_proc = NULL;
365
366 static int proc_get_stats_ap(char *page, char **start,
367 off_t offset, int count,
368 int *eof, void *data)
369 {
370 struct r8192_priv *priv = data;
371 struct ieee80211_device *ieee = priv->ieee80211;
372 struct ieee80211_network *target;
373 int len = 0;
374
375 list_for_each_entry(target, &ieee->network_list, list) {
376
377 len += snprintf(page + len, count - len,
378 "%s ", target->ssid);
379
380 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
381 len += snprintf(page + len, count - len,
382 "WPA\n");
383 }
384 else{
385 len += snprintf(page + len, count - len,
386 "non_WPA\n");
387 }
388
389 }
390
391 *eof = 1;
392 return len;
393 }
394
395 static int proc_get_registers(char *page, char **start,
396 off_t offset, int count,
397 int *eof, void *data)
398 {
399 struct r8192_priv *priv = data;
400 int len = 0;
401 int i,n;
402 int max=0xff;
403
404 /* This dump the current register page */
405 len += snprintf(page + len, count - len,
406 "\n####################page 0##################\n ");
407
408 for(n=0;n<=max;)
409 {
410 len += snprintf(page + len, count - len,
411 "\nD: %2x > ",n);
412
413 for(i=0;i<16 && n<=max;i++,n++)
414 len += snprintf(page + len, count - len,
415 "%2x ",read_nic_byte(priv,n));
416 }
417 len += snprintf(page + len, count - len,"\n");
418 len += snprintf(page + len, count - len,
419 "\n####################page 1##################\n ");
420 for(n=0;n<=max;)
421 {
422 len += snprintf(page + len, count - len,
423 "\nD: %2x > ",n);
424
425 for(i=0;i<16 && n<=max;i++,n++)
426 len += snprintf(page + len, count - len,
427 "%2x ",read_nic_byte(priv,0x100|n));
428 }
429
430 len += snprintf(page + len, count - len,
431 "\n####################page 3##################\n ");
432 for(n=0;n<=max;)
433 {
434 len += snprintf(page + len, count - len,
435 "\nD: %2x > ",n);
436
437 for(i=0;i<16 && n<=max;i++,n++)
438 len += snprintf(page + len, count - len,
439 "%2x ",read_nic_byte(priv,0x300|n));
440 }
441
442 *eof = 1;
443 return len;
444
445 }
446
447 static int proc_get_stats_tx(char *page, char **start,
448 off_t offset, int count,
449 int *eof, void *data)
450 {
451 struct r8192_priv *priv = data;
452
453 int len = 0;
454
455 len += snprintf(page + len, count - len,
456 "TX VI priority ok int: %lu\n"
457 "TX VO priority ok int: %lu\n"
458 "TX BE priority ok int: %lu\n"
459 "TX BK priority ok int: %lu\n"
460 "TX MANAGE priority ok int: %lu\n"
461 "TX BEACON priority ok int: %lu\n"
462 "TX BEACON priority error int: %lu\n"
463 "TX CMDPKT priority ok int: %lu\n"
464 "TX queue stopped?: %d\n"
465 "TX fifo overflow: %lu\n"
466 "TX total data packets %lu\n"
467 "TX total data bytes :%lu\n",
468 priv->stats.txviokint,
469 priv->stats.txvookint,
470 priv->stats.txbeokint,
471 priv->stats.txbkokint,
472 priv->stats.txmanageokint,
473 priv->stats.txbeaconokint,
474 priv->stats.txbeaconerr,
475 priv->stats.txcmdpktokint,
476 netif_queue_stopped(priv->ieee80211->dev),
477 priv->stats.txoverflow,
478 priv->ieee80211->stats.tx_packets,
479 priv->ieee80211->stats.tx_bytes);
480
481 *eof = 1;
482 return len;
483 }
484
485
486
487 static int proc_get_stats_rx(char *page, char **start,
488 off_t offset, int count,
489 int *eof, void *data)
490 {
491 struct r8192_priv *priv = data;
492 int len = 0;
493
494 len += snprintf(page + len, count - len,
495 "RX packets: %lu\n"
496 "RX desc err: %lu\n"
497 "RX rx overflow error: %lu\n",
498 priv->stats.rxint,
499 priv->stats.rxrdu,
500 priv->stats.rxoverflow);
501
502 *eof = 1;
503 return len;
504 }
505
506 static void rtl8192_proc_module_init(void)
507 {
508 RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
509 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
510 }
511
512
513 static void rtl8192_proc_module_remove(void)
514 {
515 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
516 }
517
518
519 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
520 {
521 struct net_device *dev = priv->ieee80211->dev;
522
523 printk("dev name=======> %s\n",dev->name);
524
525 if (priv->dir_dev) {
526 remove_proc_entry("stats-tx", priv->dir_dev);
527 remove_proc_entry("stats-rx", priv->dir_dev);
528 remove_proc_entry("stats-ap", priv->dir_dev);
529 remove_proc_entry("registers", priv->dir_dev);
530 remove_proc_entry("wlan0", rtl8192_proc);
531 priv->dir_dev = NULL;
532 }
533 }
534
535
536 static void rtl8192_proc_init_one(struct r8192_priv *priv)
537 {
538 struct net_device *dev = priv->ieee80211->dev;
539 struct proc_dir_entry *e;
540
541 priv->dir_dev = create_proc_entry(dev->name,
542 S_IFDIR | S_IRUGO | S_IXUGO,
543 rtl8192_proc);
544 if (!priv->dir_dev) {
545 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
546 dev->name);
547 return;
548 }
549 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
550 priv->dir_dev, proc_get_stats_rx, priv);
551
552 if (!e) {
553 RT_TRACE(COMP_ERR,"Unable to initialize "
554 "/proc/net/rtl8192/%s/stats-rx\n",
555 dev->name);
556 }
557
558
559 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
560 priv->dir_dev, proc_get_stats_tx, priv);
561
562 if (!e) {
563 RT_TRACE(COMP_ERR, "Unable to initialize "
564 "/proc/net/rtl8192/%s/stats-tx\n",
565 dev->name);
566 }
567
568 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
569 priv->dir_dev, proc_get_stats_ap, priv);
570
571 if (!e) {
572 RT_TRACE(COMP_ERR, "Unable to initialize "
573 "/proc/net/rtl8192/%s/stats-ap\n",
574 dev->name);
575 }
576
577 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
578 priv->dir_dev, proc_get_registers, priv);
579 if (!e) {
580 RT_TRACE(COMP_ERR, "Unable to initialize "
581 "/proc/net/rtl8192/%s/registers\n",
582 dev->name);
583 }
584 }
585
586 static short check_nic_enough_desc(struct net_device *dev, int prio)
587 {
588 struct r8192_priv *priv = ieee80211_priv(dev);
589 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
590
591 /* for now we reserve two free descriptor as a safety boundary
592 * between the tail and the head
593 */
594 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
595 }
596
597 static void tx_timeout(struct net_device *dev)
598 {
599 struct r8192_priv *priv = ieee80211_priv(dev);
600
601 schedule_work(&priv->reset_wq);
602 printk("TXTIMEOUT");
603 }
604
605 static void rtl8192_irq_enable(struct r8192_priv *priv)
606 {
607 u32 mask;
608
609 mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
610 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
611 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
612 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
613
614 write_nic_dword(priv, INTA_MASK, mask);
615 }
616
617 static void rtl8192_irq_disable(struct r8192_priv *priv)
618 {
619 write_nic_dword(priv, INTA_MASK, 0);
620 synchronize_irq(priv->irq);
621 }
622
623 static void rtl8192_update_msr(struct r8192_priv *priv)
624 {
625 u8 msr;
626
627 msr = read_nic_byte(priv, MSR);
628 msr &= ~ MSR_LINK_MASK;
629
630 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
631 * msr must be updated if the state is ASSOCIATING.
632 * this is intentional and make sense for ad-hoc and
633 * master (see the create BSS/IBSS func)
634 */
635 if (priv->ieee80211->state == IEEE80211_LINKED){
636
637 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
638 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
639 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
640 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
641 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
642 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
643
644 }else
645 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
646
647 write_nic_byte(priv, MSR, msr);
648 }
649
650 static void rtl8192_set_chan(struct ieee80211_device *ieee80211, short ch)
651 {
652 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
653
654 priv->chan = ch;
655
656 /* need to implement rf set channel here WB */
657
658 if (priv->rf_set_chan)
659 priv->rf_set_chan(ieee80211, priv->chan);
660 }
661
662 static void rtl8192_rx_enable(struct r8192_priv *priv)
663 {
664 write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
665 }
666
667 /* the TX_DESC_BASE setting is according to the following queue index
668 * BK_QUEUE ===> 0
669 * BE_QUEUE ===> 1
670 * VI_QUEUE ===> 2
671 * VO_QUEUE ===> 3
672 * HCCA_QUEUE ===> 4
673 * TXCMD_QUEUE ===> 5
674 * MGNT_QUEUE ===> 6
675 * HIGH_QUEUE ===> 7
676 * BEACON_QUEUE ===> 8
677 * */
678 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
679 static void rtl8192_tx_enable(struct r8192_priv *priv)
680 {
681 u32 i;
682
683 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
684 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
685
686 ieee80211_reset_queue(priv->ieee80211);
687 }
688
689
690 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
691 {
692 int i;
693
694 for (i = 0; i < priv->rxringcount; i++) {
695 struct sk_buff *skb = priv->rx_buf[i];
696 if (!skb)
697 continue;
698
699 pci_unmap_single(priv->pdev,
700 *((dma_addr_t *)skb->cb),
701 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
702 kfree_skb(skb);
703 }
704
705 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
706 priv->rx_ring, priv->rx_ring_dma);
707 priv->rx_ring = NULL;
708 }
709
710 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
711 {
712 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
713
714 while (skb_queue_len(&ring->queue)) {
715 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
716 struct sk_buff *skb = __skb_dequeue(&ring->queue);
717
718 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
719 skb->len, PCI_DMA_TODEVICE);
720 kfree_skb(skb);
721 ring->idx = (ring->idx + 1) % ring->entries;
722 }
723
724 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
725 ring->desc, ring->dma);
726 ring->desc = NULL;
727 }
728
729 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
730 {
731 //disable RF-Chip A/B
732 rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
733 //analog to digital off, for power save
734 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
735 //digital to analog off, for power save
736 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
737 //rx antenna off
738 rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
739 //rx antenna off
740 rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
741 //analog to digital part2 off, for power save
742 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
743 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
744 // Analog parameter!!Change bias and Lbus control.
745 write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
746 }
747
748 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
749 {
750 int i;
751 u8 OpMode;
752 u32 ulRegRead;
753
754 OpMode = RT_OP_MODE_NO_LINK;
755 priv->ieee80211->SetHwRegHandler(priv->ieee80211, HW_VAR_MEDIA_STATUS, &OpMode);
756
757 if (!priv->ieee80211->bSupportRemoteWakeUp) {
758 /*
759 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
760 * but here we make reference to WMAC and wirte 0x0
761 */
762 write_nic_byte(priv, CMDR, 0);
763 }
764
765 mdelay(20);
766
767 if (!reset) {
768 mdelay(150);
769
770 priv->bHwRfOffAction = 2;
771
772 /*
773 * Call MgntActSet_RF_State instead to
774 * prevent RF config race condition.
775 */
776 if (!priv->ieee80211->bSupportRemoteWakeUp) {
777 PHY_SetRtl8192eRfOff(priv);
778 ulRegRead = read_nic_dword(priv, CPU_GEN);
779 ulRegRead |= CPU_GEN_SYSTEM_RESET;
780 write_nic_dword(priv,CPU_GEN, ulRegRead);
781 } else {
782 /* for WOL */
783 write_nic_dword(priv, WFCRC0, 0xffffffff);
784 write_nic_dword(priv, WFCRC1, 0xffffffff);
785 write_nic_dword(priv, WFCRC2, 0xffffffff);
786
787 /* Write PMR register */
788 write_nic_byte(priv, PMR, 0x5);
789 /* Disable tx, enanble rx */
790 write_nic_byte(priv, MacBlkCtrl, 0xa);
791 }
792 }
793
794 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
795 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
796 }
797 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
798 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
799 }
800
801 skb_queue_purge(&priv->skb_queue);
802 }
803
804 static void rtl8192_data_hard_stop(struct ieee80211_device *ieee80211)
805 {
806 }
807
808 static void rtl8192_data_hard_resume(struct ieee80211_device *ieee80211)
809 {
810 }
811
812 /*
813 * this function TX data frames when the ieee80211 stack requires this.
814 * It checks also if we need to stop the ieee tx queue, eventually do it
815 */
816 static void rtl8192_hard_data_xmit(struct sk_buff *skb,
817 struct ieee80211_device *ieee80211, int rate)
818 {
819 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
820 int ret;
821 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
822 u8 queue_index = tcb_desc->queue_index;
823
824 /* shall not be referred by command packet */
825 BUG_ON(queue_index == TXCMD_QUEUE);
826
827 if (priv->bHwRadioOff || (!priv->up))
828 {
829 kfree_skb(skb);
830 return;
831 }
832
833 memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
834
835 skb_push(skb, priv->ieee80211->tx_headroom);
836 ret = rtl8192_tx(priv, skb);
837 if (ret != 0) {
838 kfree_skb(skb);
839 }
840
841 if (queue_index != MGNT_QUEUE) {
842 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
843 priv->ieee80211->stats.tx_packets++;
844 }
845 }
846
847 /*
848 * This is a rough attempt to TX a frame
849 * This is called by the ieee 80211 stack to TX management frames.
850 * If the ring is full packet are dropped (for data frame the queue
851 * is stopped before this can happen).
852 */
853 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct ieee80211_device *ieee80211)
854 {
855 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
856 int ret;
857 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
858 u8 queue_index = tcb_desc->queue_index;
859
860 if (queue_index != TXCMD_QUEUE) {
861 if (priv->bHwRadioOff || (!priv->up))
862 {
863 kfree_skb(skb);
864 return 0;
865 }
866 }
867
868 memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
869 if (queue_index == TXCMD_QUEUE) {
870 rtl819xE_tx_cmd(priv, skb);
871 ret = 0;
872 return ret;
873 } else {
874 tcb_desc->RATRIndex = 7;
875 tcb_desc->bTxDisableRateFallBack = 1;
876 tcb_desc->bTxUseDriverAssingedRate = 1;
877 tcb_desc->bTxEnableFwCalcDur = 1;
878 skb_push(skb, ieee80211->tx_headroom);
879 ret = rtl8192_tx(priv, skb);
880 if (ret != 0) {
881 kfree_skb(skb);
882 }
883 }
884
885 return ret;
886 }
887
888
889 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
890 {
891 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
892
893 while (skb_queue_len(&ring->queue)) {
894 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
895 struct sk_buff *skb;
896
897 /*
898 * beacon packet will only use the first descriptor defaultly,
899 * and the OWN may not be cleared by the hardware
900 */
901 if (prio != BEACON_QUEUE) {
902 if (entry->OWN)
903 return;
904 ring->idx = (ring->idx + 1) % ring->entries;
905 }
906
907 skb = __skb_dequeue(&ring->queue);
908 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
909 skb->len, PCI_DMA_TODEVICE);
910
911 kfree_skb(skb);
912 }
913
914 if (prio != BEACON_QUEUE) {
915 /* try to deal with the pending packets */
916 tasklet_schedule(&priv->irq_tx_tasklet);
917 }
918 }
919
920 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211)
921 {
922 }
923
924 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
925 {
926 struct ieee80211_network *net;
927 u8 i=0, basic_rate = 0;
928 net = & priv->ieee80211->current_network;
929
930 for (i=0; i<net->rates_len; i++)
931 {
932 basic_rate = net->rates[i]&0x7f;
933 switch(basic_rate)
934 {
935 case MGN_1M: *rate_config |= RRSR_1M; break;
936 case MGN_2M: *rate_config |= RRSR_2M; break;
937 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
938 case MGN_11M: *rate_config |= RRSR_11M; break;
939 case MGN_6M: *rate_config |= RRSR_6M; break;
940 case MGN_9M: *rate_config |= RRSR_9M; break;
941 case MGN_12M: *rate_config |= RRSR_12M; break;
942 case MGN_18M: *rate_config |= RRSR_18M; break;
943 case MGN_24M: *rate_config |= RRSR_24M; break;
944 case MGN_36M: *rate_config |= RRSR_36M; break;
945 case MGN_48M: *rate_config |= RRSR_48M; break;
946 case MGN_54M: *rate_config |= RRSR_54M; break;
947 }
948 }
949 for (i=0; i<net->rates_ex_len; i++)
950 {
951 basic_rate = net->rates_ex[i]&0x7f;
952 switch(basic_rate)
953 {
954 case MGN_1M: *rate_config |= RRSR_1M; break;
955 case MGN_2M: *rate_config |= RRSR_2M; break;
956 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
957 case MGN_11M: *rate_config |= RRSR_11M; break;
958 case MGN_6M: *rate_config |= RRSR_6M; break;
959 case MGN_9M: *rate_config |= RRSR_9M; break;
960 case MGN_12M: *rate_config |= RRSR_12M; break;
961 case MGN_18M: *rate_config |= RRSR_18M; break;
962 case MGN_24M: *rate_config |= RRSR_24M; break;
963 case MGN_36M: *rate_config |= RRSR_36M; break;
964 case MGN_48M: *rate_config |= RRSR_48M; break;
965 case MGN_54M: *rate_config |= RRSR_54M; break;
966 }
967 }
968 }
969
970
971 #define SHORT_SLOT_TIME 9
972 #define NON_SHORT_SLOT_TIME 20
973
974 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
975 {
976 u32 tmp = 0;
977 struct ieee80211_network *net = &priv->ieee80211->current_network;
978
979 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
980 tmp = priv->basic_rate;
981 if (priv->short_preamble)
982 tmp |= BRSR_AckShortPmb;
983 write_nic_dword(priv, RRSR, tmp);
984
985 if (net->mode & (IEEE_G|IEEE_N_24G))
986 {
987 u8 slot_time = 0;
988 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
989 {//short slot time
990 slot_time = SHORT_SLOT_TIME;
991 }
992 else //long slot time
993 slot_time = NON_SHORT_SLOT_TIME;
994 priv->slot_time = slot_time;
995 write_nic_byte(priv, SLOT_TIME, slot_time);
996 }
997
998 }
999
1000 static void rtl8192_net_update(struct r8192_priv *priv)
1001 {
1002 struct ieee80211_network *net;
1003 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1004 u16 rate_config = 0;
1005 net = &priv->ieee80211->current_network;
1006
1007 /* update Basic rate: RR, BRSR */
1008 rtl8192_config_rate(priv, &rate_config);
1009
1010 /*
1011 * Select RRSR (in Legacy-OFDM and CCK)
1012 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1013 * 2M, and 1M from the Basic rate.
1014 * We do not use other rates.
1015 */
1016 priv->basic_rate = rate_config &= 0x15f;
1017
1018 /* BSSID */
1019 write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1020 write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1021
1022 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1023 {
1024 write_nic_word(priv, ATIMWND, 2);
1025 write_nic_word(priv, BCN_DMATIME, 256);
1026 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1027 /*
1028 * BIT15 of BCN_DRV_EARLY_INT will indicate
1029 * whether software beacon or hw beacon is applied.
1030 */
1031 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1032 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1033
1034 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1035 /* TODO: BcnIFS may required to be changed on ASIC */
1036 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1037 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1038 }
1039 }
1040
1041 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1042 {
1043 struct rtl8192_tx_ring *ring;
1044 tx_desc_819x_pci *entry;
1045 unsigned int idx;
1046 dma_addr_t mapping;
1047 cb_desc *tcb_desc;
1048 unsigned long flags;
1049
1050 ring = &priv->tx_ring[TXCMD_QUEUE];
1051 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1052
1053 spin_lock_irqsave(&priv->irq_th_lock,flags);
1054 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1055 entry = &ring->desc[idx];
1056
1057 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1058 memset(entry,0,12);
1059 entry->LINIP = tcb_desc->bLastIniPkt;
1060 entry->FirstSeg = 1;//first segment
1061 entry->LastSeg = 1; //last segment
1062 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1063 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1064 } else {
1065 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1066 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1067 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1068 entry->QueueSelect = QSLT_CMD;
1069 entry->TxFWInfoSize = 0x08;
1070 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1071 }
1072 entry->TxBufferSize = skb->len;
1073 entry->TxBuffAddr = cpu_to_le32(mapping);
1074 entry->OWN = 1;
1075
1076 __skb_queue_tail(&ring->queue, skb);
1077 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1078
1079 write_nic_byte(priv, TPPoll, TPPoll_CQ);
1080
1081 return;
1082 }
1083
1084 /*
1085 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1086 * in TxFwInfo data structure
1087 */
1088 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1089 {
1090 u8 QueueSelect = 0;
1091
1092 switch (QueueID) {
1093 case BE_QUEUE:
1094 QueueSelect = QSLT_BE;
1095 break;
1096
1097 case BK_QUEUE:
1098 QueueSelect = QSLT_BK;
1099 break;
1100
1101 case VO_QUEUE:
1102 QueueSelect = QSLT_VO;
1103 break;
1104
1105 case VI_QUEUE:
1106 QueueSelect = QSLT_VI;
1107 break;
1108
1109 case MGNT_QUEUE:
1110 QueueSelect = QSLT_MGNT;
1111 break;
1112
1113 case BEACON_QUEUE:
1114 QueueSelect = QSLT_BEACON;
1115 break;
1116
1117 case TXCMD_QUEUE:
1118 QueueSelect = QSLT_CMD;
1119 break;
1120
1121 case HIGH_QUEUE:
1122 default:
1123 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1124 break;
1125 }
1126 return QueueSelect;
1127 }
1128
1129 static u8 MRateToHwRate8190Pci(u8 rate)
1130 {
1131 u8 ret = DESC90_RATE1M;
1132
1133 switch(rate) {
1134 case MGN_1M: ret = DESC90_RATE1M; break;
1135 case MGN_2M: ret = DESC90_RATE2M; break;
1136 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1137 case MGN_11M: ret = DESC90_RATE11M; break;
1138 case MGN_6M: ret = DESC90_RATE6M; break;
1139 case MGN_9M: ret = DESC90_RATE9M; break;
1140 case MGN_12M: ret = DESC90_RATE12M; break;
1141 case MGN_18M: ret = DESC90_RATE18M; break;
1142 case MGN_24M: ret = DESC90_RATE24M; break;
1143 case MGN_36M: ret = DESC90_RATE36M; break;
1144 case MGN_48M: ret = DESC90_RATE48M; break;
1145 case MGN_54M: ret = DESC90_RATE54M; break;
1146
1147 // HT rate since here
1148 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1149 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1150 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1151 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1152 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1153 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1154 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1155 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1156 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1157 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1158 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1159 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1160 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1161 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1162 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1163 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1164 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1165
1166 default: break;
1167 }
1168 return ret;
1169 }
1170
1171
1172 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1173 {
1174 u8 tmp_Short;
1175
1176 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1177
1178 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1179 tmp_Short = 0;
1180
1181 return tmp_Short;
1182 }
1183
1184 /*
1185 * The tx procedure is just as following,
1186 * skb->cb will contain all the following information,
1187 * priority, morefrag, rate, &dev.
1188 */
1189 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1190 {
1191 struct rtl8192_tx_ring *ring;
1192 unsigned long flags;
1193 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1194 tx_desc_819x_pci *pdesc = NULL;
1195 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1196 dma_addr_t mapping;
1197 bool multi_addr = false, broad_addr = false, uni_addr = false;
1198 u8 *pda_addr = NULL;
1199 int idx;
1200
1201 if (priv->bdisable_nic) {
1202 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1203 skb->len, tcb_desc->queue_index);
1204 return skb->len;
1205 }
1206
1207 #ifdef ENABLE_LPS
1208 priv->ieee80211->bAwakePktSent = true;
1209 #endif
1210
1211 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1212
1213 /* collect the tx packets statitcs */
1214 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1215 if (is_multicast_ether_addr(pda_addr))
1216 multi_addr = true;
1217 else if (is_broadcast_ether_addr(pda_addr))
1218 broad_addr = true;
1219 else
1220 uni_addr = true;
1221
1222 if (uni_addr)
1223 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1224
1225 /* fill tx firmware */
1226 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1227 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1228 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1229 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1230 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1231 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1232
1233 /* Aggregation related */
1234 if (tcb_desc->bAMPDUEnable) {
1235 pTxFwInfo->AllowAggregation = 1;
1236 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1237 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1238 } else {
1239 pTxFwInfo->AllowAggregation = 0;
1240 pTxFwInfo->RxMF = 0;
1241 pTxFwInfo->RxAMD = 0;
1242 }
1243
1244 /* Protection mode related */
1245 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1246 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1247 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1248 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1249 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1250 pTxFwInfo->RtsBandwidth = 0;
1251 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1252 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1253
1254 /* Set Bandwidth and sub-channel settings. */
1255 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1256 if (tcb_desc->bPacketBW) {
1257 pTxFwInfo->TxBandwidth = 1;
1258 /* use duplicated mode */
1259 pTxFwInfo->TxSubCarrier = 0;
1260 } else {
1261 pTxFwInfo->TxBandwidth = 0;
1262 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1263 }
1264 } else {
1265 pTxFwInfo->TxBandwidth = 0;
1266 pTxFwInfo->TxSubCarrier = 0;
1267 }
1268
1269 spin_lock_irqsave(&priv->irq_th_lock, flags);
1270 ring = &priv->tx_ring[tcb_desc->queue_index];
1271 if (tcb_desc->queue_index != BEACON_QUEUE)
1272 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1273 else
1274 idx = 0;
1275
1276 pdesc = &ring->desc[idx];
1277 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1278 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1279 tcb_desc->queue_index, ring->idx, idx, skb->len);
1280 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1281 return skb->len;
1282 }
1283
1284 /* fill tx descriptor */
1285 memset(pdesc, 0, 12);
1286
1287 /*DWORD 0*/
1288 pdesc->LINIP = 0;
1289 pdesc->CmdInit = 1;
1290 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1291 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1292
1293 /*DWORD 1*/
1294 pdesc->SecCAMID = 0;
1295 pdesc->RATid = tcb_desc->RATRIndex;
1296
1297 pdesc->NoEnc = 1;
1298 pdesc->SecType = 0x0;
1299 if (tcb_desc->bHwSec) {
1300 switch (priv->ieee80211->pairwise_key_type) {
1301 case KEY_TYPE_WEP40:
1302 case KEY_TYPE_WEP104:
1303 pdesc->SecType = 0x1;
1304 pdesc->NoEnc = 0;
1305 break;
1306 case KEY_TYPE_TKIP:
1307 pdesc->SecType = 0x2;
1308 pdesc->NoEnc = 0;
1309 break;
1310 case KEY_TYPE_CCMP:
1311 pdesc->SecType = 0x3;
1312 pdesc->NoEnc = 0;
1313 break;
1314 case KEY_TYPE_NA:
1315 pdesc->SecType = 0x0;
1316 pdesc->NoEnc = 1;
1317 break;
1318 }
1319 }
1320
1321 /* Set Packet ID */
1322 pdesc->PktId = 0x0;
1323
1324 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1325 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1326
1327 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1328 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1329
1330 pdesc->FirstSeg = 1;
1331 pdesc->LastSeg = 1;
1332 pdesc->TxBufferSize = skb->len;
1333
1334 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1335 __skb_queue_tail(&ring->queue, skb);
1336 pdesc->OWN = 1;
1337 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1338 priv->ieee80211->dev->trans_start = jiffies;
1339 write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1340 return 0;
1341 }
1342
1343 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1344 {
1345 rx_desc_819x_pci *entry = NULL;
1346 int i;
1347
1348 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1349 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1350
1351 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1352 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1353 return -ENOMEM;
1354 }
1355
1356 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1357 priv->rx_idx = 0;
1358
1359 for (i = 0; i < priv->rxringcount; i++) {
1360 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1361 dma_addr_t *mapping;
1362 entry = &priv->rx_ring[i];
1363 if (!skb)
1364 return 0;
1365 priv->rx_buf[i] = skb;
1366 mapping = (dma_addr_t *)skb->cb;
1367 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1368 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1369
1370 entry->BufferAddress = cpu_to_le32(*mapping);
1371
1372 entry->Length = priv->rxbuffersize;
1373 entry->OWN = 1;
1374 }
1375
1376 entry->EOR = 1;
1377 return 0;
1378 }
1379
1380 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1381 unsigned int prio, unsigned int entries)
1382 {
1383 tx_desc_819x_pci *ring;
1384 dma_addr_t dma;
1385 int i;
1386
1387 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1388 if (!ring || (unsigned long)ring & 0xFF) {
1389 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1390 return -ENOMEM;
1391 }
1392
1393 memset(ring, 0, sizeof(*ring)*entries);
1394 priv->tx_ring[prio].desc = ring;
1395 priv->tx_ring[prio].dma = dma;
1396 priv->tx_ring[prio].idx = 0;
1397 priv->tx_ring[prio].entries = entries;
1398 skb_queue_head_init(&priv->tx_ring[prio].queue);
1399
1400 for (i = 0; i < entries; i++)
1401 ring[i].NextDescAddress =
1402 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1403
1404 return 0;
1405 }
1406
1407 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1408 {
1409 u32 ret;
1410 int i;
1411
1412 ret = rtl8192_alloc_rx_desc_ring(priv);
1413 if (ret)
1414 return ret;
1415
1416 /* general process for other queue */
1417 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1418 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1419 if (ret)
1420 goto err_free_rings;
1421 }
1422
1423 return 0;
1424
1425 err_free_rings:
1426 rtl8192_free_rx_ring(priv);
1427 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1428 if (priv->tx_ring[i].desc)
1429 rtl8192_free_tx_ring(priv, i);
1430 return 1;
1431 }
1432
1433 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1434 {
1435 int i;
1436
1437 /* force the rx_idx to the first one */
1438 if(priv->rx_ring) {
1439 rx_desc_819x_pci *entry = NULL;
1440 for (i = 0; i < priv->rxringcount; i++) {
1441 entry = &priv->rx_ring[i];
1442 entry->OWN = 1;
1443 }
1444 priv->rx_idx = 0;
1445 }
1446
1447 /* after reset, release previous pending packet, and force the
1448 * tx idx to the first one */
1449 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1450 if (priv->tx_ring[i].desc) {
1451 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1452
1453 while (skb_queue_len(&ring->queue)) {
1454 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1455 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1456
1457 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1458 skb->len, PCI_DMA_TODEVICE);
1459 kfree_skb(skb);
1460 ring->idx = (ring->idx + 1) % ring->entries;
1461 }
1462 ring->idx = 0;
1463 }
1464 }
1465 }
1466
1467 static void rtl8192_link_change(struct ieee80211_device *ieee)
1468 {
1469 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1470
1471 if (ieee->state == IEEE80211_LINKED)
1472 {
1473 rtl8192_net_update(priv);
1474 rtl8192_update_ratr_table(priv);
1475
1476 //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
1477 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1478 EnableHWSecurityConfig8192(priv);
1479 }
1480 else
1481 {
1482 write_nic_byte(priv, 0x173, 0);
1483 }
1484
1485 rtl8192_update_msr(priv);
1486
1487 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1488 // // To set CBSSID bit when link with any AP or STA.
1489 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1490 {
1491 u32 reg = 0;
1492 reg = read_nic_dword(priv, RCR);
1493 if (priv->ieee80211->state == IEEE80211_LINKED)
1494 priv->ReceiveConfig = reg |= RCR_CBSSID;
1495 else
1496 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1497 write_nic_dword(priv, RCR, reg);
1498 }
1499 }
1500
1501
1502 static const struct ieee80211_qos_parameters def_qos_parameters = {
1503 {3,3,3,3},/* cw_min */
1504 {7,7,7,7},/* cw_max */
1505 {2,2,2,2},/* aifs */
1506 {0,0,0,0},/* flags */
1507 {0,0,0,0} /* tx_op_limit */
1508 };
1509
1510 static void rtl8192_update_beacon(struct work_struct * work)
1511 {
1512 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1513 struct ieee80211_device* ieee = priv->ieee80211;
1514 struct ieee80211_network* net = &ieee->current_network;
1515
1516 if (ieee->pHTInfo->bCurrentHTSupport)
1517 HTUpdateSelfAndPeerSetting(ieee, net);
1518 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1519 rtl8192_update_cap(priv, net->capability);
1520 }
1521
1522 /*
1523 * background support to run QoS activate functionality
1524 */
1525 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1526 static void rtl8192_qos_activate(struct work_struct * work)
1527 {
1528 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1529 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1530 u8 mode = priv->ieee80211->current_network.mode;
1531 u8 u1bAIFS;
1532 u32 u4bAcParam;
1533 int i;
1534
1535 mutex_lock(&priv->mutex);
1536 if(priv->ieee80211->state != IEEE80211_LINKED)
1537 goto success;
1538 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1539 /* It better set slot time at first */
1540 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1541 /* update the ac parameter to related registers */
1542 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1543 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1544 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1545 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1546 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1547 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1548 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1549 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1550 }
1551
1552 success:
1553 mutex_unlock(&priv->mutex);
1554 }
1555
1556 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1557 int active_network,
1558 struct ieee80211_network *network)
1559 {
1560 int ret = 0;
1561 u32 size = sizeof(struct ieee80211_qos_parameters);
1562
1563 if(priv->ieee80211->state !=IEEE80211_LINKED)
1564 return ret;
1565
1566 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1567 return ret;
1568
1569 if (network->flags & NETWORK_HAS_QOS_MASK) {
1570 if (active_network &&
1571 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1572 network->qos_data.active = network->qos_data.supported;
1573
1574 if ((network->qos_data.active == 1) && (active_network == 1) &&
1575 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1576 (network->qos_data.old_param_count !=
1577 network->qos_data.param_count)) {
1578 network->qos_data.old_param_count =
1579 network->qos_data.param_count;
1580 queue_work(priv->priv_wq, &priv->qos_activate);
1581 RT_TRACE (COMP_QOS, "QoS parameters change call "
1582 "qos_activate\n");
1583 }
1584 } else {
1585 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1586 &def_qos_parameters, size);
1587
1588 if ((network->qos_data.active == 1) && (active_network == 1)) {
1589 queue_work(priv->priv_wq, &priv->qos_activate);
1590 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1591 }
1592 network->qos_data.active = 0;
1593 network->qos_data.supported = 0;
1594 }
1595
1596 return 0;
1597 }
1598
1599 /* handle manage frame frame beacon and probe response */
1600 static int rtl8192_handle_beacon(struct net_device * dev,
1601 struct ieee80211_beacon * beacon,
1602 struct ieee80211_network * network)
1603 {
1604 struct r8192_priv *priv = ieee80211_priv(dev);
1605
1606 rtl8192_qos_handle_probe_response(priv,1,network);
1607
1608 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1609 return 0;
1610
1611 }
1612
1613 /*
1614 * handling the beaconing responses. if we get different QoS setting
1615 * off the network from the associated setting, adjust the QoS setting
1616 */
1617 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1618 struct ieee80211_network *network)
1619 {
1620 int ret = 0;
1621 unsigned long flags;
1622 u32 size = sizeof(struct ieee80211_qos_parameters);
1623 int set_qos_param = 0;
1624
1625 if ((priv == NULL) || (network == NULL))
1626 return ret;
1627
1628 if (priv->ieee80211->state != IEEE80211_LINKED)
1629 return ret;
1630
1631 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1632 return ret;
1633
1634 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1635 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1636 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1637 &network->qos_data.parameters,
1638 sizeof(struct ieee80211_qos_parameters));
1639 priv->ieee80211->current_network.qos_data.active = 1;
1640 set_qos_param = 1;
1641 /* update qos parameter for current network */
1642 priv->ieee80211->current_network.qos_data.old_param_count =
1643 priv->ieee80211->current_network.qos_data.param_count;
1644 priv->ieee80211->current_network.qos_data.param_count =
1645 network->qos_data.param_count;
1646
1647 } else {
1648 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1649 &def_qos_parameters, size);
1650 priv->ieee80211->current_network.qos_data.active = 0;
1651 priv->ieee80211->current_network.qos_data.supported = 0;
1652 set_qos_param = 1;
1653 }
1654
1655 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1656
1657 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1658 network->flags, priv->ieee80211->current_network.qos_data.active);
1659 if (set_qos_param == 1)
1660 queue_work(priv->priv_wq, &priv->qos_activate);
1661
1662 return ret;
1663 }
1664
1665
1666 static int rtl8192_handle_assoc_response(struct net_device *dev,
1667 struct ieee80211_assoc_response_frame *resp,
1668 struct ieee80211_network *network)
1669 {
1670 struct r8192_priv *priv = ieee80211_priv(dev);
1671 rtl8192_qos_association_resp(priv, network);
1672 return 0;
1673 }
1674
1675
1676 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1677 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1678 {
1679 struct ieee80211_device* ieee = priv->ieee80211;
1680 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1681 u32 ratr_value = 0;
1682 u8 rate_index = 0;
1683
1684 rtl8192_config_rate(priv, (u16*)(&ratr_value));
1685 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1686
1687 switch (ieee->mode)
1688 {
1689 case IEEE_A:
1690 ratr_value &= 0x00000FF0;
1691 break;
1692 case IEEE_B:
1693 ratr_value &= 0x0000000F;
1694 break;
1695 case IEEE_G:
1696 ratr_value &= 0x00000FF7;
1697 break;
1698 case IEEE_N_24G:
1699 case IEEE_N_5G:
1700 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1701 ratr_value &= 0x0007F007;
1702 else{
1703 if (priv->rf_type == RF_1T2R)
1704 ratr_value &= 0x000FF007;
1705 else
1706 ratr_value &= 0x0F81F007;
1707 }
1708 break;
1709 default:
1710 break;
1711 }
1712 ratr_value &= 0x0FFFFFFF;
1713 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1714 ratr_value |= 0x80000000;
1715 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1716 ratr_value |= 0x80000000;
1717 }
1718 write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1719 write_nic_byte(priv, UFWP, 1);
1720 }
1721
1722 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1723 {
1724 struct r8192_priv *priv = ieee80211_priv(dev);
1725 struct ieee80211_device *ieee = priv->ieee80211;
1726
1727 return !(ieee->rtllib_ap_sec_type &&
1728 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1729 }
1730
1731 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1732 {
1733 struct ieee80211_device* ieee = priv->ieee80211;
1734 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1735 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1736 {
1737 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1738 }
1739 else
1740 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1741 }
1742
1743 static u8 rtl8192_getSupportedWireleeMode(void)
1744 {
1745 return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1746 }
1747
1748 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1749 {
1750 struct r8192_priv *priv = ieee80211_priv(dev);
1751 u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1752
1753 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1754 {
1755 if(bSupportMode & WIRELESS_MODE_N_24G)
1756 {
1757 wireless_mode = WIRELESS_MODE_N_24G;
1758 }
1759 else if(bSupportMode & WIRELESS_MODE_N_5G)
1760 {
1761 wireless_mode = WIRELESS_MODE_N_5G;
1762 }
1763 else if((bSupportMode & WIRELESS_MODE_A))
1764 {
1765 wireless_mode = WIRELESS_MODE_A;
1766 }
1767 else if((bSupportMode & WIRELESS_MODE_G))
1768 {
1769 wireless_mode = WIRELESS_MODE_G;
1770 }
1771 else if((bSupportMode & WIRELESS_MODE_B))
1772 {
1773 wireless_mode = WIRELESS_MODE_B;
1774 }
1775 else{
1776 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1777 wireless_mode = WIRELESS_MODE_B;
1778 }
1779 }
1780 priv->ieee80211->mode = wireless_mode;
1781
1782 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1783 priv->ieee80211->pHTInfo->bEnableHT = 1;
1784 else
1785 priv->ieee80211->pHTInfo->bEnableHT = 0;
1786 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1787 rtl8192_refresh_supportrate(priv);
1788 }
1789
1790 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1791 {
1792 struct r8192_priv* priv = ieee80211_priv(dev);
1793 struct ieee80211_device* ieee = priv->ieee80211;
1794
1795 return ieee->bHalfWirelessN24GMode;
1796 }
1797
1798 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1799 {
1800 int i=0;
1801 struct r8192_priv *priv = ieee80211_priv(dev);
1802 for (i=0; i<=MGNT_QUEUE; i++)
1803 {
1804 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1805 continue;
1806 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1807 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1808 return 0;
1809 }
1810 }
1811 return 1;
1812 }
1813
1814 static void rtl8192_hw_sleep_down(struct r8192_priv *priv)
1815 {
1816 MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1817 }
1818
1819 static void rtl8192_hw_wakeup(struct net_device* dev)
1820 {
1821 struct r8192_priv *priv = ieee80211_priv(dev);
1822 MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1823 }
1824
1825 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1826 {
1827 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1828 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1829 struct net_device *dev = ieee->dev;
1830 rtl8192_hw_wakeup(dev);
1831
1832 }
1833
1834 #define MIN_SLEEP_TIME 50
1835 #define MAX_SLEEP_TIME 10000
1836 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1837 {
1838 struct r8192_priv *priv = ieee80211_priv(dev);
1839 u32 tmp;
1840 u32 rb = jiffies;
1841
1842 // Writing HW register with 0 equals to disable
1843 // the timer, that is not really what we want
1844 //
1845 tl -= MSECS(8+16+7);
1846
1847 // If the interval in witch we are requested to sleep is too
1848 // short then give up and remain awake
1849 // when we sleep after send null frame, the timer will be too short to sleep.
1850 //
1851 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1852 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1853 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
1854 return;
1855 }
1856
1857 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1858 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1859 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1860 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
1861 return;
1862 }
1863
1864 tmp = (tl>rb)?(tl-rb):(rb-tl);
1865 queue_delayed_work(priv->ieee80211->wq,
1866 &priv->ieee80211->hw_wakeup_wq,tmp);
1867
1868 rtl8192_hw_sleep_down(priv);
1869 }
1870
1871 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1872 {
1873 u8 i;
1874 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1875
1876 // Default Halt the NIC if RF is OFF.
1877 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1878 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1879 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1880 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1881 pPSC->bLeisurePs = true;
1882 priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1883 priv->bHwRadioOff = false;
1884
1885 priv->being_init_adapter = false;
1886 priv->txringcount = 64;//32;
1887 priv->rxbuffersize = 9100;//2048;//1024;
1888 priv->rxringcount = MAX_RX_COUNT;//64;
1889 priv->chan = 1; //set to channel 1
1890 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1891 priv->RegChannelPlan = 0xf;
1892 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1893 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1894 priv->ieee80211->ieee_up=0;
1895 priv->retry_rts = DEFAULT_RETRY_RTS;
1896 priv->retry_data = DEFAULT_RETRY_DATA;
1897 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1898 priv->ieee80211->rate = 110; //11 mbps
1899 priv->ieee80211->short_slot = 1;
1900 priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1901 priv->bcck_in_ch14 = false;
1902 priv->CCKPresentAttentuation = 0;
1903 priv->rfa_txpowertrackingindex = 0;
1904 priv->rfc_txpowertrackingindex = 0;
1905 priv->CckPwEnl = 6;
1906 //added by amy for silent reset
1907 priv->ResetProgress = RESET_TYPE_NORESET;
1908 priv->bForcedSilentReset = 0;
1909 priv->bDisableNormalResetCheck = false;
1910 priv->force_reset = false;
1911 //added by amy for power save
1912 priv->RfOffReason = 0;
1913 priv->bHwRfOffAction = 0;
1914 priv->PowerSaveControl.bInactivePs = true;
1915 priv->PowerSaveControl.bIPSModeBackup = false;
1916
1917 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1918 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1919 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
1920 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1921 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1922 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
1923
1924 priv->ieee80211->active_scan = 1;
1925 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1926 priv->ieee80211->host_encrypt = 1;
1927 priv->ieee80211->host_decrypt = 1;
1928 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;
1929 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;
1930 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1931 priv->ieee80211->set_chan = rtl8192_set_chan;
1932 priv->ieee80211->link_change = rtl8192_link_change;
1933 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1934 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1935 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1936 priv->ieee80211->init_wmmparam_flag = 0;
1937 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1938 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1939 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1940 priv->ieee80211->qos_support = 1;
1941 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1942 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1943 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1944
1945 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1946 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1947 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1948 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1949 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1950 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1951
1952 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1953
1954 #ifdef ENABLE_IPS
1955 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1956 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1957 #endif
1958 #ifdef ENABLE_LPS
1959 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
1960 #endif
1961
1962 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1963 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1964
1965 priv->ShortRetryLimit = 0x30;
1966 priv->LongRetryLimit = 0x30;
1967
1968 priv->ReceiveConfig = RCR_ADD3 |
1969 RCR_AMF | RCR_ADF | //accept management/data
1970 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1971 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
1972 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1973 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1974
1975 priv->pFirmware = vzalloc(sizeof(rt_firmware));
1976
1977 /* rx related queue */
1978 skb_queue_head_init(&priv->skb_queue);
1979
1980 /* Tx related queue */
1981 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1982 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1983 }
1984 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1985 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
1986 }
1987 priv->rf_set_chan = rtl8192_phy_SwChnl;
1988 }
1989
1990 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
1991 {
1992 spin_lock_init(&priv->irq_th_lock);
1993 spin_lock_init(&priv->rf_ps_lock);
1994 sema_init(&priv->wx_sem,1);
1995 sema_init(&priv->rf_sem,1);
1996 mutex_init(&priv->mutex);
1997 }
1998
1999 /* init tasklet and wait_queue here */
2000 #define DRV_NAME "wlan0"
2001 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2002 {
2003 priv->priv_wq = create_workqueue(DRV_NAME);
2004
2005 #ifdef ENABLE_IPS
2006 INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2007 #endif
2008
2009 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2010 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2011 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2012 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2013 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2014 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2015 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2016
2017 tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2018 (unsigned long) priv);
2019 tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2020 (unsigned long) priv);
2021 tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2022 (unsigned long) priv);
2023 }
2024
2025 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2026 {
2027 u16 curCR = 0;
2028 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2029 curCR = read_nic_dword(priv, EPROM_CMD);
2030 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2031 //whether need I consider BIT5?
2032 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2033 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2034 }
2035
2036 /*
2037 * Adapter->EEPROMAddressSize should be set before this function call.
2038 * EEPROM address size can be got through GetEEPROMSize8185()
2039 */
2040 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2041 {
2042 struct net_device *dev = priv->ieee80211->dev;
2043 u8 tempval;
2044 u8 ICVer8192, ICVer8256;
2045 u16 i,usValue, IC_Version;
2046 u16 EEPROMId;
2047 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2048 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2049
2050
2051 // TODO: I don't know if we need to apply EF function to EEPROM read function
2052
2053 //2 Read EEPROM ID to make sure autoload is success
2054 EEPROMId = eprom_read(priv, 0);
2055 if( EEPROMId != RTL8190_EEPROM_ID )
2056 {
2057 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2058 priv->AutoloadFailFlag=true;
2059 }
2060 else
2061 {
2062 priv->AutoloadFailFlag=false;
2063 }
2064
2065 //
2066 // Assign Chip Version ID
2067 //
2068 // Read IC Version && Channel Plan
2069 if(!priv->AutoloadFailFlag)
2070 {
2071 // VID, PID
2072 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2073 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2074
2075 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2076 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2077 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2078 priv->eeprom_ChannelPlan = usValue&0xff;
2079 IC_Version = ((usValue&0xff00)>>8);
2080
2081 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2082 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2083 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2084 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2085 if(ICVer8192 == 0x2) //B-cut
2086 {
2087 if(ICVer8256 == 0x5) //E-cut
2088 priv->card_8192_version= VERSION_8190_BE;
2089 }
2090
2091 switch(priv->card_8192_version)
2092 {
2093 case VERSION_8190_BD:
2094 case VERSION_8190_BE:
2095 break;
2096 default:
2097 priv->card_8192_version = VERSION_8190_BD;
2098 break;
2099 }
2100 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2101 }
2102 else
2103 {
2104 priv->card_8192_version = VERSION_8190_BD;
2105 priv->eeprom_vid = 0;
2106 priv->eeprom_did = 0;
2107 priv->eeprom_CustomerID = 0;
2108 priv->eeprom_ChannelPlan = 0;
2109 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2110 }
2111
2112 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2113 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2114 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2115
2116 //2 Read Permanent MAC address
2117 if(!priv->AutoloadFailFlag)
2118 {
2119 for(i = 0; i < 6; i += 2)
2120 {
2121 usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2122 *(u16*)(&dev->dev_addr[i]) = usValue;
2123 }
2124 } else {
2125 // when auto load failed, the last address byte set to be a random one.
2126 // added by david woo.2007/11/7
2127 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2128 }
2129
2130 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2131
2132 //2 TX Power Check EEPROM Fail or not
2133 if(priv->card_8192_version > VERSION_8190_BD) {
2134 priv->bTXPowerDataReadFromEEPORM = true;
2135 } else {
2136 priv->bTXPowerDataReadFromEEPORM = false;
2137 }
2138
2139 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2140 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2141
2142 if(priv->card_8192_version > VERSION_8190_BD)
2143 {
2144 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2145 if(!priv->AutoloadFailFlag)
2146 {
2147 tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2148 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2149
2150 if (tempval&0x80) //RF-indication, bit[7]
2151 priv->rf_type = RF_1T2R;
2152 else
2153 priv->rf_type = RF_2T4R;
2154 }
2155 else
2156 {
2157 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2158 }
2159 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2160 priv->EEPROMLegacyHTTxPowerDiff);
2161
2162 // Read ThermalMeter from EEPROM
2163 if(!priv->AutoloadFailFlag)
2164 {
2165 priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2166 }
2167 else
2168 {
2169 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2170 }
2171 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2172 //vivi, for tx power track
2173 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2174
2175 if(priv->epromtype == EPROM_93c46)
2176 {
2177 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2178 if(!priv->AutoloadFailFlag)
2179 {
2180 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2181 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2182 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2183 }
2184 else
2185 {
2186 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2187 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2188 }
2189 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2190 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2191
2192 //
2193 // Get per-channel Tx Power Level
2194 //
2195 for(i=0; i<14; i+=2)
2196 {
2197 if(!priv->AutoloadFailFlag)
2198 {
2199 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2200 }
2201 else
2202 {
2203 usValue = EEPROM_Default_TxPower;
2204 }
2205 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2206 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2207 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2208 }
2209 for(i=0; i<14; i+=2)
2210 {
2211 if(!priv->AutoloadFailFlag)
2212 {
2213 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2214 }
2215 else
2216 {
2217 usValue = EEPROM_Default_TxPower;
2218 }
2219 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2220 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2221 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2222 }
2223 }
2224
2225 //
2226 // Update HAL variables.
2227 //
2228 if(priv->epromtype == EPROM_93c46)
2229 {
2230 for(i=0; i<14; i++)
2231 {
2232 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2233 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2234 }
2235 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2236 // Antenna B gain offset to antenna A, bit0~3
2237 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2238 // Antenna C gain offset to antenna A, bit4~7
2239 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2240 // Antenna D gain offset to antenna A, bit8~11
2241 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2242 // CrystalCap, bit12~15
2243 priv->CrystalCap = priv->EEPROMCrystalCap;
2244 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2245 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2246 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2247 }
2248 else if(priv->epromtype == EPROM_93c56)
2249 {
2250 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2251 {
2252 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2253 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2254 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2255 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2256 }
2257 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2258 {
2259 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2260 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2261 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2262 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2263 }
2264 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2265 {
2266 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2267 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2268 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2269 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2270 }
2271 for(i=0; i<14; i++)
2272 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2273 for(i=0; i<14; i++)
2274 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2275 for(i=0; i<14; i++)
2276 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2277 for(i=0; i<14; i++)
2278 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2279 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2280 priv->AntennaTxPwDiff[0] = 0;
2281 priv->AntennaTxPwDiff[1] = 0;
2282 priv->AntennaTxPwDiff[2] = 0;
2283 priv->CrystalCap = priv->EEPROMCrystalCap;
2284 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2285 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2286 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2287 }
2288 }
2289
2290 if(priv->rf_type == RF_1T2R)
2291 {
2292 RT_TRACE(COMP_INIT, "1T2R config\n");
2293 }
2294 else if (priv->rf_type == RF_2T4R)
2295 {
2296 RT_TRACE(COMP_INIT, "2T4R config\n");
2297 }
2298
2299 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2300 // DIG RATR table again.
2301 init_rate_adaptive(dev);
2302
2303 //1 Make a copy for following variables and we can change them if we want
2304
2305 if(priv->RegChannelPlan == 0xf)
2306 {
2307 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2308 }
2309 else
2310 {
2311 priv->ChannelPlan = priv->RegChannelPlan;
2312 }
2313
2314 //
2315 // Used PID and DID to Set CustomerID
2316 //
2317 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2318 {
2319 priv->CustomerID = RT_CID_DLINK;
2320 }
2321
2322 switch(priv->eeprom_CustomerID)
2323 {
2324 case EEPROM_CID_DEFAULT:
2325 priv->CustomerID = RT_CID_DEFAULT;
2326 break;
2327 case EEPROM_CID_CAMEO:
2328 priv->CustomerID = RT_CID_819x_CAMEO;
2329 break;
2330 case EEPROM_CID_RUNTOP:
2331 priv->CustomerID = RT_CID_819x_RUNTOP;
2332 break;
2333 case EEPROM_CID_NetCore:
2334 priv->CustomerID = RT_CID_819x_Netcore;
2335 break;
2336 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2337 priv->CustomerID = RT_CID_TOSHIBA;
2338 if(priv->eeprom_ChannelPlan&0x80)
2339 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2340 else
2341 priv->ChannelPlan = 0x0;
2342 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2343 priv->ChannelPlan);
2344 break;
2345 case EEPROM_CID_Nettronix:
2346 priv->CustomerID = RT_CID_Nettronix;
2347 break;
2348 case EEPROM_CID_Pronet:
2349 priv->CustomerID = RT_CID_PRONET;
2350 break;
2351 case EEPROM_CID_DLINK:
2352 priv->CustomerID = RT_CID_DLINK;
2353 break;
2354
2355 case EEPROM_CID_WHQL:
2356 break;
2357 default:
2358 // value from RegCustomerID
2359 break;
2360 }
2361
2362 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2363 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2364 priv->ChannelPlan = 0; //FCC
2365
2366 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2367 priv->ieee80211->bSupportRemoteWakeUp = true;
2368 else
2369 priv->ieee80211->bSupportRemoteWakeUp = false;
2370
2371
2372 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2373 RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2374 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2375 }
2376
2377
2378 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2379 {
2380 #ifdef ENABLE_DOT11D
2381 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2382 printk("rtl8180_init:Error channel plan! Set to default.\n");
2383 priv->ChannelPlan= 0;
2384 }
2385 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2386
2387 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2388 #else
2389 int ch,i;
2390 //Set Default Channel Plan
2391 if(!channels){
2392 DMESG("No channels, aborting");
2393 return -1;
2394 }
2395 ch=channels;
2396 priv->ChannelPlan= 0;//hikaru
2397 // set channels 1..14 allowed in given locale
2398 for (i=1; i<=14; i++) {
2399 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2400 ch >>= 1;
2401 }
2402 #endif
2403 return 0;
2404 }
2405
2406 static short rtl8192_init(struct r8192_priv *priv)
2407 {
2408 struct net_device *dev = priv->ieee80211->dev;
2409
2410 memset(&(priv->stats),0,sizeof(struct Stats));
2411 rtl8192_init_priv_variable(priv);
2412 rtl8192_init_priv_lock(priv);
2413 rtl8192_init_priv_task(priv);
2414 rtl8192_get_eeprom_size(priv);
2415 rtl8192_read_eeprom_info(priv);
2416 rtl8192_get_channel_map(priv);
2417 init_hal_dm(dev);
2418 init_timer(&priv->watch_dog_timer);
2419 priv->watch_dog_timer.data = (unsigned long)priv;
2420 priv->watch_dog_timer.function = watch_dog_timer_callback;
2421 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2422 printk("Error allocating IRQ %d",dev->irq);
2423 return -1;
2424 }else{
2425 priv->irq=dev->irq;
2426 printk("IRQ %d",dev->irq);
2427 }
2428 if (rtl8192_pci_initdescring(priv) != 0){
2429 printk("Endopoints initialization failed");
2430 return -1;
2431 }
2432
2433 return 0;
2434 }
2435
2436 /*
2437 * Actually only set RRSR, RATR and BW_OPMODE registers
2438 * not to do all the hw config as its name says
2439 * This part need to modified according to the rate set we filtered
2440 */
2441 static void rtl8192_hwconfig(struct r8192_priv *priv)
2442 {
2443 u32 regRATR = 0, regRRSR = 0;
2444 u8 regBwOpMode = 0, regTmp = 0;
2445
2446 // Set RRSR, RATR, and BW_OPMODE registers
2447 //
2448 switch (priv->ieee80211->mode)
2449 {
2450 case WIRELESS_MODE_B:
2451 regBwOpMode = BW_OPMODE_20MHZ;
2452 regRATR = RATE_ALL_CCK;
2453 regRRSR = RATE_ALL_CCK;
2454 break;
2455 case WIRELESS_MODE_A:
2456 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2457 regRATR = RATE_ALL_OFDM_AG;
2458 regRRSR = RATE_ALL_OFDM_AG;
2459 break;
2460 case WIRELESS_MODE_G:
2461 regBwOpMode = BW_OPMODE_20MHZ;
2462 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2463 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2464 break;
2465 case WIRELESS_MODE_AUTO:
2466 case WIRELESS_MODE_N_24G:
2467 // It support CCK rate by default.
2468 // CCK rate will be filtered out only when associated AP does not support it.
2469 regBwOpMode = BW_OPMODE_20MHZ;
2470 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2471 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2472 break;
2473 case WIRELESS_MODE_N_5G:
2474 regBwOpMode = BW_OPMODE_5G;
2475 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2476 regRRSR = RATE_ALL_OFDM_AG;
2477 break;
2478 }
2479
2480 write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2481 {
2482 u32 ratr_value = 0;
2483 ratr_value = regRATR;
2484 if (priv->rf_type == RF_1T2R)
2485 {
2486 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2487 }
2488 write_nic_dword(priv, RATR0, ratr_value);
2489 write_nic_byte(priv, UFWP, 1);
2490 }
2491 regTmp = read_nic_byte(priv, 0x313);
2492 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2493 write_nic_dword(priv, RRSR, regRRSR);
2494
2495 //
2496 // Set Retry Limit here
2497 //
2498 write_nic_word(priv, RETRY_LIMIT,
2499 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2500 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2501 // Set Contention Window here
2502
2503 // Set Tx AGC
2504
2505 // Set Tx Antenna including Feedback control
2506
2507 // Set Auto Rate fallback control
2508
2509
2510 }
2511
2512
2513 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2514 {
2515 struct net_device *dev = priv->ieee80211->dev;
2516 u32 ulRegRead;
2517 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2518 u8 tmpvalue;
2519 u8 ICVersion,SwitchingRegulatorOutput;
2520 bool bfirmwareok = true;
2521 u32 tmpRegA, tmpRegC, TempCCk;
2522 int i =0;
2523
2524 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2525 priv->being_init_adapter = true;
2526 rtl8192_pci_resetdescring(priv);
2527 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2528 priv->Rf_Mode = RF_OP_By_SW_3wire;
2529
2530 //dPLL on
2531 if(priv->ResetProgress == RESET_TYPE_NORESET)
2532 {
2533 write_nic_byte(priv, ANAPAR, 0x37);
2534 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2535 // Joseph increae the time to prevent firmware download fail
2536 mdelay(500);
2537 }
2538
2539 //PlatformSleepUs(10000);
2540 // For any kind of InitializeAdapter process, we shall use system now!!
2541 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2542
2543 //
2544 //3 //Config CPUReset Register
2545 //3//
2546 //3 Firmware Reset Or Not
2547 ulRegRead = read_nic_dword(priv, CPU_GEN);
2548 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2549 { //called from MPInitialized. do nothing
2550 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2551 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2552 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2553 else
2554 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2555
2556 write_nic_dword(priv, CPU_GEN, ulRegRead);
2557
2558 //3//
2559 //3 //Fix the issue of E-cut high temperature issue
2560 //3//
2561 // TODO: E cut only
2562 ICVersion = read_nic_byte(priv, IC_VERRSION);
2563 if(ICVersion >= 0x4) //E-cut only
2564 {
2565 // HW SD suggest that we should not wirte this register too often, so driver
2566 // should readback this register. This register will be modified only when
2567 // power on reset
2568 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2569 if(SwitchingRegulatorOutput != 0xb8)
2570 {
2571 write_nic_byte(priv, SWREGULATOR, 0xa8);
2572 mdelay(1);
2573 write_nic_byte(priv, SWREGULATOR, 0xb8);
2574 }
2575 }
2576
2577 //3//
2578 //3// Initialize BB before MAC
2579 //3//
2580 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2581 rtStatus = rtl8192_BBConfig(priv);
2582 if(rtStatus != RT_STATUS_SUCCESS)
2583 {
2584 RT_TRACE(COMP_ERR, "BB Config failed\n");
2585 return rtStatus;
2586 }
2587 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2588
2589 //3//Set Loopback mode or Normal mode
2590 //3//
2591 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2592 // because setting of System_Reset bit reset MAC to default transmission mode.
2593 //Loopback mode or not
2594 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2595 if(priv->ResetProgress == RESET_TYPE_NORESET)
2596 {
2597 ulRegRead = read_nic_dword(priv, CPU_GEN);
2598 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2599 {
2600 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2601 }
2602 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2603 {
2604 ulRegRead |= CPU_CCK_LOOPBACK;
2605 }
2606 else
2607 {
2608 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2609 }
2610
2611 //2008.06.03, for WOL
2612 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2613 write_nic_dword(priv, CPU_GEN, ulRegRead);
2614
2615 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2616 udelay(500);
2617 }
2618 //3Set Hardware(Do nothing now)
2619 rtl8192_hwconfig(priv);
2620 //2=======================================================
2621 // Common Setting for all of the FPGA platform. (part 1)
2622 //2=======================================================
2623 // If there is changes, please make sure it applies to all of the FPGA version
2624 //3 Turn on Tx/Rx
2625 write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2626
2627 //2Set Tx dma burst
2628 write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2629 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2630
2631 //set IDR0 here
2632 write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2633 write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2634 //set RCR
2635 write_nic_dword(priv, RCR, priv->ReceiveConfig);
2636
2637 //3 Initialize Number of Reserved Pages in Firmware Queue
2638 write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2639 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2640 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2641 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2642 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2643 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2644 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2645 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2646
2647 rtl8192_tx_enable(priv);
2648 rtl8192_rx_enable(priv);
2649 //3Set Response Rate Setting Register
2650 // CCK rate is supported by default.
2651 // CCK rate will be filtered out only when associated AP does not support it.
2652 ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2653 write_nic_dword(priv, RRSR, ulRegRead);
2654 write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2655
2656 //2Set AckTimeout
2657 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2658 write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2659
2660 if(priv->ResetProgress == RESET_TYPE_NORESET)
2661 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2662 //-----------------------------------------------------------------------------
2663 // Set up security related. 070106, by rcnjko:
2664 // 1. Clear all H/W keys.
2665 // 2. Enable H/W encryption/decryption.
2666 //-----------------------------------------------------------------------------
2667 CamResetAllEntry(priv);
2668 {
2669 u8 SECR_value = 0x0;
2670 SECR_value |= SCR_TxEncEnable;
2671 SECR_value |= SCR_RxDecEnable;
2672 SECR_value |= SCR_NoSKMC;
2673 write_nic_byte(priv, SECR, SECR_value);
2674 }
2675 //3Beacon related
2676 write_nic_word(priv, ATIMWND, 2);
2677 write_nic_word(priv, BCN_INTERVAL, 100);
2678 for (i=0; i<QOS_QUEUE_NUM; i++)
2679 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2680 //
2681 // Switching regulator controller: This is set temporarily.
2682 // It's not sure if this can be removed in the future.
2683 // PJ advised to leave it by default.
2684 //
2685 write_nic_byte(priv, 0xbe, 0xc0);
2686
2687 //2=======================================================
2688 // Set PHY related configuration defined in MAC register bank
2689 //2=======================================================
2690 rtl8192_phy_configmac(priv);
2691
2692 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2693 rtl8192_phy_getTxPower(priv);
2694 rtl8192_phy_setTxPower(priv, priv->chan);
2695 }
2696
2697 //if D or C cut
2698 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2699 priv->IC_Cut = tmpvalue;
2700 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2701 if(priv->IC_Cut >= IC_VersionCut_D)
2702 {
2703 //pHalData->bDcut = TRUE;
2704 if(priv->IC_Cut == IC_VersionCut_D)
2705 RT_TRACE(COMP_INIT, "D-cut\n");
2706 if(priv->IC_Cut == IC_VersionCut_E)
2707 {
2708 RT_TRACE(COMP_INIT, "E-cut\n");
2709 // HW SD suggest that we should not wirte this register too often, so driver
2710 // should readback this register. This register will be modified only when
2711 // power on reset
2712 }
2713 }
2714 else
2715 {
2716 //pHalData->bDcut = FALSE;
2717 RT_TRACE(COMP_INIT, "Before C-cut\n");
2718 }
2719
2720 //Firmware download
2721 RT_TRACE(COMP_INIT, "Load Firmware!\n");
2722 bfirmwareok = init_firmware(dev);
2723 if(bfirmwareok != true) {
2724 rtStatus = RT_STATUS_FAILURE;
2725 return rtStatus;
2726 }
2727 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2728
2729 //RF config
2730 if(priv->ResetProgress == RESET_TYPE_NORESET)
2731 {
2732 RT_TRACE(COMP_INIT, "RF Config Started!\n");
2733 rtStatus = rtl8192_phy_RFConfig(priv);
2734 if(rtStatus != RT_STATUS_SUCCESS)
2735 {
2736 RT_TRACE(COMP_ERR, "RF Config failed\n");
2737 return rtStatus;
2738 }
2739 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2740 }
2741 rtl8192_phy_updateInitGain(priv);
2742
2743 /*---- Set CCK and OFDM Block "ON"----*/
2744 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2745 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2746
2747 //Enable Led
2748 write_nic_byte(priv, 0x87, 0x0);
2749
2750 //2=======================================================
2751 // RF Power Save
2752 //2=======================================================
2753 #ifdef ENABLE_IPS
2754
2755 {
2756 if(priv->RfOffReason > RF_CHANGE_BY_PS)
2757 { // H/W or S/W RF OFF before sleep.
2758 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2759 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2760 }
2761 else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2762 { // H/W or S/W RF OFF before sleep.
2763 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__, priv->RfOffReason);
2764 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2765 }
2766 else
2767 {
2768 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2769 priv->eRFPowerState = eRfOn;
2770 priv->RfOffReason = 0;
2771 }
2772 }
2773 #endif
2774 // We can force firmware to do RF-R/W
2775 if(priv->ieee80211->FwRWRF)
2776 priv->Rf_Mode = RF_OP_By_FW;
2777 else
2778 priv->Rf_Mode = RF_OP_By_SW_3wire;
2779
2780 if(priv->ResetProgress == RESET_TYPE_NORESET)
2781 {
2782 dm_initialize_txpower_tracking(priv);
2783
2784 if(priv->IC_Cut >= IC_VersionCut_D)
2785 {
2786 tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2787 tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2788 for(i = 0; i<TxBBGainTableLength; i++)
2789 {
2790 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2791 {
2792 priv->rfa_txpowertrackingindex= (u8)i;
2793 priv->rfa_txpowertrackingindex_real= (u8)i;
2794 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2795 break;
2796 }
2797 }
2798
2799 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2800
2801 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2802 {
2803 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2804 {
2805 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2806 break;
2807 }
2808 }
2809 priv->CCKPresentAttentuation_40Mdefault = 0;
2810 priv->CCKPresentAttentuation_difference = 0;
2811 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2812 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2813 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2814 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2815 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2816 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2817 }
2818 }
2819
2820 rtl8192_irq_enable(priv);
2821 priv->being_init_adapter = false;
2822 return rtStatus;
2823
2824 }
2825
2826 static void rtl8192_prepare_beacon(unsigned long arg)
2827 {
2828 struct r8192_priv *priv = (struct r8192_priv*) arg;
2829 struct sk_buff *skb;
2830 cb_desc *tcb_desc;
2831
2832 skb = ieee80211_get_beacon(priv->ieee80211);
2833 tcb_desc = (cb_desc *)(skb->cb + 8);
2834 /* prepare misc info for the beacon xmit */
2835 tcb_desc->queue_index = BEACON_QUEUE;
2836 /* IBSS does not support HT yet, use 1M defaultly */
2837 tcb_desc->data_rate = 2;
2838 tcb_desc->RATRIndex = 7;
2839 tcb_desc->bTxDisableRateFallBack = 1;
2840 tcb_desc->bTxUseDriverAssingedRate = 1;
2841
2842 skb_push(skb, priv->ieee80211->tx_headroom);
2843 if(skb){
2844 rtl8192_tx(priv, skb);
2845 }
2846 }
2847
2848
2849 /*
2850 * configure registers for beacon tx and enables it via
2851 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2852 * be used to stop beacon transmission
2853 */
2854 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211)
2855 {
2856 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
2857 struct ieee80211_network *net = &priv->ieee80211->current_network;
2858 u16 BcnTimeCfg = 0;
2859 u16 BcnCW = 6;
2860 u16 BcnIFS = 0xf;
2861
2862 DMESG("Enabling beacon TX");
2863 rtl8192_irq_disable(priv);
2864 //rtl8192_beacon_tx_enable(dev);
2865
2866 /* ATIM window */
2867 write_nic_word(priv, ATIMWND, 2);
2868
2869 /* Beacon interval (in unit of TU) */
2870 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2871
2872 /*
2873 * DrvErlyInt (in unit of TU).
2874 * (Time to send interrupt to notify driver to c
2875 * hange beacon content)
2876 * */
2877 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2878
2879 /*
2880 * BcnDMATIM(in unit of us).
2881 * Indicates the time before TBTT to perform beacon queue DMA
2882 * */
2883 write_nic_word(priv, BCN_DMATIME, 256);
2884
2885 /*
2886 * Force beacon frame transmission even after receiving
2887 * beacon frame from other ad hoc STA
2888 * */
2889 write_nic_byte(priv, BCN_ERR_THRESH, 100);
2890
2891 /* Set CW and IFS */
2892 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2893 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2894 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2895
2896
2897 /* enable the interrupt for ad-hoc process */
2898 rtl8192_irq_enable(priv);
2899 }
2900
2901 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2902 {
2903 u16 RegRxCounter = read_nic_word(priv, 0x130);
2904 bool bStuck = FALSE;
2905
2906 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2907 // If rssi is small, we should check rx for long time because of bad rx.
2908 // or maybe it will continuous silent reset every 2 seconds.
2909 priv->rx_chk_cnt++;
2910 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2911 {
2912 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
2913 }
2914 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2915 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2916 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2917
2918 {
2919 if(priv->rx_chk_cnt < 2)
2920 {
2921 return bStuck;
2922 }
2923 else
2924 {
2925 priv->rx_chk_cnt = 0;
2926 }
2927 }
2928 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2929 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2930 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2931 {
2932 if(priv->rx_chk_cnt < 4)
2933 {
2934 return bStuck;
2935 }
2936 else
2937 {
2938 priv->rx_chk_cnt = 0;
2939 }
2940 }
2941 else
2942 {
2943 if(priv->rx_chk_cnt < 8)
2944 {
2945 return bStuck;
2946 }
2947 else
2948 {
2949 priv->rx_chk_cnt = 0;
2950 }
2951 }
2952 if(priv->RxCounter==RegRxCounter)
2953 bStuck = TRUE;
2954
2955 priv->RxCounter = RegRxCounter;
2956
2957 return bStuck;
2958 }
2959
2960 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2961 {
2962
2963 if(HalRxCheckStuck8190Pci(priv))
2964 {
2965 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2966 return RESET_TYPE_SILENT;
2967 }
2968
2969 return RESET_TYPE_NORESET;
2970 }
2971
2972 static RESET_TYPE rtl819x_check_reset(struct r8192_priv *priv)
2973 {
2974 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2975 RT_RF_POWER_STATE rfState;
2976
2977 rfState = priv->eRFPowerState;
2978
2979 if (rfState != eRfOff && (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
2980 /*
2981 * If driver is in the status of firmware download failure,
2982 * driver skips RF initialization and RF is in turned off state.
2983 * Driver should check whether Rx stuck and do silent reset. And
2984 * if driver is in firmware download failure status, driver
2985 * should initialize RF in the following silent reset procedure
2986 *
2987 * Driver should not check RX stuck in IBSS mode because it is
2988 * required to set Check BSSID in order to send beacon, however,
2989 * if check BSSID is set, STA cannot hear any packet a all.
2990 */
2991 RxResetType = RxCheckStuck(priv);
2992 }
2993
2994 RT_TRACE(COMP_RESET, "%s(): RxResetType is %d\n", __FUNCTION__, RxResetType);
2995
2996 return RxResetType;
2997 }
2998
2999 #ifdef ENABLE_IPS
3000 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3001 {
3002 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3003
3004 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3005 //
3006 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3007 // is really scheduled.
3008 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3009 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3010 // blocks the IPS procedure of switching RF.
3011 // By Bruce, 2007-12-25.
3012 //
3013 pPSC->bSwRfProcessing = TRUE;
3014
3015 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3016 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3017
3018
3019 MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3020
3021 //
3022 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3023 //
3024 pPSC->bSwRfProcessing = FALSE;
3025 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3026 }
3027
3028 #ifdef ENABLE_LPS
3029 /* Change current and default preamble mode. */
3030 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode)
3031 {
3032
3033 // Currently, we do not change power save mode on IBSS mode.
3034 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3035 {
3036 return false;
3037 }
3038
3039 //
3040 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3041 // some AP will not response to our mgnt frames with PwrMgt bit set,
3042 // e.g. cannot associate the AP.
3043 // So I commented out it. 2005.02.16, by rcnjko.
3044 //
3045 // // Change device's power save mode.
3046 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3047
3048 // Update power save mode configured.
3049 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3050 if(!priv->ps_force) {
3051 priv->ieee80211->ps = rtPsMode;
3052 }
3053
3054 // Awake immediately
3055 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3056 {
3057 // Notify the AP we awke.
3058 rtl8192_hw_wakeup(priv->ieee80211->dev);
3059 priv->ieee80211->sta_sleep = 0;
3060
3061 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3062 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3063 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3064 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3065 }
3066
3067 return true;
3068 }
3069
3070 /* Enter the leisure power save mode. */
3071 void LeisurePSEnter(struct ieee80211_device *ieee80211)
3072 {
3073 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3074 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3075
3076 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3077 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3078 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3079 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3080 return;
3081
3082 if (pPSC->bLeisurePs)
3083 {
3084 // Idle for a while if we connect to AP a while ago.
3085 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3086 {
3087
3088 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3089 {
3090 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3091
3092 }
3093 }
3094 else
3095 pPSC->LpsIdleCount++;
3096 }
3097 }
3098
3099
3100 /* Leave leisure power save mode. */
3101 void LeisurePSLeave(struct ieee80211_device *ieee80211)
3102 {
3103 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3104 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3105
3106 if (pPSC->bLeisurePs)
3107 {
3108 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3109 {
3110 // move to lps_wakecomplete()
3111 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED);
3112
3113 }
3114 }
3115 }
3116 #endif
3117
3118
3119 /* Enter the inactive power save mode. RF will be off */
3120 void IPSEnter(struct r8192_priv *priv)
3121 {
3122 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3123 RT_RF_POWER_STATE rtState;
3124
3125 if (pPSC->bInactivePs)
3126 {
3127 rtState = priv->eRFPowerState;
3128 //
3129 // Added by Bruce, 2007-12-25.
3130 // Do not enter IPS in the following conditions:
3131 // (1) RF is already OFF or Sleep
3132 // (2) bSwRfProcessing (indicates the IPS is still under going)
3133 // (3) Connectted (only disconnected can trigger IPS)
3134 // (4) IBSS (send Beacon)
3135 // (5) AP mode (send Beacon)
3136 //
3137 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3138 && (priv->ieee80211->state != IEEE80211_LINKED) )
3139 {
3140 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3141 pPSC->eInactivePowerState = eRfOff;
3142 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3143 InactivePsWorkItemCallback(priv);
3144 }
3145 }
3146 }
3147
3148 //
3149 // Description:
3150 // Leave the inactive power save mode, RF will be on.
3151 // 2007.08.17, by shien chang.
3152 //
3153 void IPSLeave(struct r8192_priv *priv)
3154 {
3155 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3156 RT_RF_POWER_STATE rtState;
3157
3158 if (pPSC->bInactivePs)
3159 {
3160 rtState = priv->eRFPowerState;
3161 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3162 {
3163 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3164 pPSC->eInactivePowerState = eRfOn;
3165 InactivePsWorkItemCallback(priv);
3166 }
3167 }
3168 }
3169
3170 void IPSLeave_wq(struct work_struct *work)
3171 {
3172 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3173 struct net_device *dev = ieee->dev;
3174
3175 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3176 down(&priv->ieee80211->ips_sem);
3177 IPSLeave(priv);
3178 up(&priv->ieee80211->ips_sem);
3179 }
3180
3181 void ieee80211_ips_leave_wq(struct ieee80211_device *ieee80211)
3182 {
3183 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3184 RT_RF_POWER_STATE rtState;
3185 rtState = priv->eRFPowerState;
3186
3187 if (priv->PowerSaveControl.bInactivePs){
3188 if(rtState == eRfOff){
3189 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3190 {
3191 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3192 return;
3193 }
3194 else{
3195 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3196 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3197 }
3198 }
3199 }
3200 }
3201 //added by amy 090331 end
3202 void ieee80211_ips_leave(struct ieee80211_device *ieee80211)
3203 {
3204 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3205 down(&ieee80211->ips_sem);
3206 IPSLeave(priv);
3207 up(&ieee80211->ips_sem);
3208 }
3209 #endif
3210
3211 static void rtl819x_update_rxcounts(
3212 struct r8192_priv *priv,
3213 u32* TotalRxBcnNum,
3214 u32* TotalRxDataNum
3215 )
3216 {
3217 u16 SlotIndex;
3218 u8 i;
3219
3220 *TotalRxBcnNum = 0;
3221 *TotalRxDataNum = 0;
3222
3223 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3224 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3225 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3226 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3227 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3228 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3229 }
3230 }
3231
3232
3233 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3234 {
3235 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3236 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3237 struct net_device *dev = priv->ieee80211->dev;
3238 struct ieee80211_device* ieee = priv->ieee80211;
3239 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3240 bool bBusyTraffic = false;
3241 bool bEnterPS = false;
3242
3243 if ((!priv->up) || priv->bHwRadioOff)
3244 return;
3245
3246 if(!priv->up)
3247 return;
3248 hal_dm_watchdog(dev);
3249 #ifdef ENABLE_IPS
3250 if(ieee->actscanning == false){
3251 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3252 (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3253 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3254 if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3255 IPSEnter(priv);
3256 }
3257 }
3258 }
3259 #endif
3260 {//to get busy traffic condition
3261 if(ieee->state == IEEE80211_LINKED)
3262 {
3263 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3264 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3265 bBusyTraffic = true;
3266 }
3267
3268 #ifdef ENABLE_LPS
3269 //added by amy for Leisure PS
3270 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3271 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3272 {
3273 bEnterPS= false;
3274 }
3275 else
3276 {
3277 bEnterPS= true;
3278 }
3279
3280 // LeisurePS only work in infra mode.
3281 if(bEnterPS)
3282 {
3283 LeisurePSEnter(priv->ieee80211);
3284 }
3285 else
3286 {
3287 LeisurePSLeave(priv->ieee80211);
3288 }
3289 #endif
3290
3291 }
3292 else
3293 {
3294 #ifdef ENABLE_LPS
3295 LeisurePSLeave(priv->ieee80211);
3296 #endif
3297 }
3298
3299 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3300 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3301 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3302 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3303 }
3304
3305
3306 //added by amy for AP roaming
3307 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3308 {
3309 u32 TotalRxBcnNum = 0;
3310 u32 TotalRxDataNum = 0;
3311
3312 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3313 if((TotalRxBcnNum+TotalRxDataNum) == 0)
3314 {
3315 if (priv->eRFPowerState == eRfOff)
3316 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3317 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3318 // Dot11d_Reset(dev);
3319 ieee->state = IEEE80211_ASSOCIATING;
3320 notify_wx_assoc_event(priv->ieee80211);
3321 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3322 ieee->is_roaming = true;
3323 ieee->is_set_key = false;
3324 ieee->link_change(ieee);
3325 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3326 }
3327 }
3328 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3329 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3330
3331 //check if reset the driver
3332 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3333 priv->watchdog_last_time != 1)
3334 {
3335 ResetType = rtl819x_check_reset(priv);
3336 priv->watchdog_check_reset_cnt = 3;
3337 }
3338 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3339 {
3340 priv->ResetProgress = RESET_TYPE_NORMAL;
3341 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3342 return;
3343 }
3344 /* disable silent reset temply 2008.9.11*/
3345
3346 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3347 {
3348 priv->watchdog_last_time = 1;
3349 }
3350 else
3351 priv->watchdog_last_time = 0;
3352
3353 priv->force_reset = false;
3354 priv->bForcedSilentReset = false;
3355 priv->bResetInProgress = false;
3356 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3357
3358 }
3359
3360 void watch_dog_timer_callback(unsigned long data)
3361 {
3362 struct r8192_priv *priv = (struct r8192_priv *) data;
3363 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3364 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3365
3366 }
3367
3368 static int _rtl8192_up(struct r8192_priv *priv)
3369 {
3370 RT_STATUS init_status = RT_STATUS_SUCCESS;
3371 struct net_device *dev = priv->ieee80211->dev;
3372
3373 priv->up=1;
3374 priv->ieee80211->ieee_up=1;
3375 priv->bdisable_nic = false; //YJ,add,091111
3376 RT_TRACE(COMP_INIT, "Bringing up iface\n");
3377
3378 init_status = rtl8192_adapter_start(priv);
3379 if(init_status != RT_STATUS_SUCCESS)
3380 {
3381 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3382 return -1;
3383 }
3384 RT_TRACE(COMP_INIT, "start adapter finished\n");
3385
3386 if (priv->eRFPowerState != eRfOn)
3387 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3388
3389 if(priv->ieee80211->state != IEEE80211_LINKED)
3390 ieee80211_softmac_start_protocol(priv->ieee80211);
3391 ieee80211_reset_queue(priv->ieee80211);
3392 watch_dog_timer_callback((unsigned long) priv);
3393 if(!netif_queue_stopped(dev))
3394 netif_start_queue(dev);
3395 else
3396 netif_wake_queue(dev);
3397
3398 return 0;
3399 }
3400
3401
3402 static int rtl8192_open(struct net_device *dev)
3403 {
3404 struct r8192_priv *priv = ieee80211_priv(dev);
3405 int ret;
3406
3407 down(&priv->wx_sem);
3408 ret = rtl8192_up(dev);
3409 up(&priv->wx_sem);
3410 return ret;
3411
3412 }
3413
3414
3415 int rtl8192_up(struct net_device *dev)
3416 {
3417 struct r8192_priv *priv = ieee80211_priv(dev);
3418
3419 if (priv->up == 1) return -1;
3420
3421 return _rtl8192_up(priv);
3422 }
3423
3424
3425 static int rtl8192_close(struct net_device *dev)
3426 {
3427 struct r8192_priv *priv = ieee80211_priv(dev);
3428 int ret;
3429
3430 down(&priv->wx_sem);
3431
3432 ret = rtl8192_down(dev);
3433
3434 up(&priv->wx_sem);
3435
3436 return ret;
3437
3438 }
3439
3440 int rtl8192_down(struct net_device *dev)
3441 {
3442 struct r8192_priv *priv = ieee80211_priv(dev);
3443
3444 if (priv->up == 0) return -1;
3445
3446 #ifdef ENABLE_LPS
3447 //LZM for PS-Poll AID issue. 090429
3448 if(priv->ieee80211->state == IEEE80211_LINKED)
3449 LeisurePSLeave(priv->ieee80211);
3450 #endif
3451
3452 priv->up=0;
3453 priv->ieee80211->ieee_up = 0;
3454 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3455 /* FIXME */
3456 if (!netif_queue_stopped(dev))
3457 netif_stop_queue(dev);
3458
3459 rtl8192_irq_disable(priv);
3460 rtl8192_cancel_deferred_work(priv);
3461 deinit_hal_dm(dev);
3462 del_timer_sync(&priv->watch_dog_timer);
3463
3464 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3465
3466 rtl8192_halt_adapter(priv, false);
3467 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3468
3469 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3470
3471 return 0;
3472 }
3473
3474
3475 void rtl8192_commit(struct r8192_priv *priv)
3476 {
3477 if (priv->up == 0) return ;
3478
3479
3480 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3481
3482 rtl8192_irq_disable(priv);
3483 rtl8192_halt_adapter(priv, true);
3484 _rtl8192_up(priv);
3485 }
3486
3487 static void rtl8192_restart(struct work_struct *work)
3488 {
3489 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3490
3491 down(&priv->wx_sem);
3492
3493 rtl8192_commit(priv);
3494
3495 up(&priv->wx_sem);
3496 }
3497
3498 static void r8192_set_multicast(struct net_device *dev)
3499 {
3500 struct r8192_priv *priv = ieee80211_priv(dev);
3501
3502 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3503 }
3504
3505
3506 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3507 {
3508 struct r8192_priv *priv = ieee80211_priv(dev);
3509 struct sockaddr *addr = mac;
3510
3511 down(&priv->wx_sem);
3512
3513 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3514
3515 schedule_work(&priv->reset_wq);
3516 up(&priv->wx_sem);
3517
3518 return 0;
3519 }
3520
3521 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3522 {
3523 struct ieee80211_device *ieee = priv->ieee80211;
3524 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3525 u32 key[4];
3526
3527 if (ipw->u.crypt.set_tx) {
3528 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3529 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3530 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3531 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3532 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3533 if (ipw->u.crypt.key_len == 13)
3534 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3535 else if (ipw->u.crypt.key_len == 5)
3536 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3537 } else
3538 ieee->pairwise_key_type = KEY_TYPE_NA;
3539
3540 if (ieee->pairwise_key_type) {
3541 memcpy(key, ipw->u.crypt.key, 16);
3542 EnableHWSecurityConfig8192(priv);
3543 /*
3544 * We fill both index entry and 4th entry for pairwise
3545 * key as in IPW interface, adhoc will only get here,
3546 * so we need index entry for its default key serching!
3547 */
3548 setKey(priv, 4, ipw->u.crypt.idx,
3549 ieee->pairwise_key_type,
3550 (u8*)ieee->ap_mac_addr, 0, key);
3551
3552 /* LEAP WEP will never set this. */
3553 if (ieee->auth_mode != 2)
3554 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3555 ieee->pairwise_key_type,
3556 (u8*)ieee->ap_mac_addr, 0, key);
3557 }
3558 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3559 ieee->pHTInfo->bCurrentHTSupport) {
3560 write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3561 }
3562 } else {
3563 memcpy(key, ipw->u.crypt.key, 16);
3564 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3565 ieee->group_key_type= KEY_TYPE_CCMP;
3566 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3567 ieee->group_key_type = KEY_TYPE_TKIP;
3568 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3569 if (ipw->u.crypt.key_len == 13)
3570 ieee->group_key_type = KEY_TYPE_WEP104;
3571 else if (ipw->u.crypt.key_len == 5)
3572 ieee->group_key_type = KEY_TYPE_WEP40;
3573 } else
3574 ieee->group_key_type = KEY_TYPE_NA;
3575
3576 if (ieee->group_key_type) {
3577 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3578 ieee->group_key_type, broadcast_addr, 0, key);
3579 }
3580 }
3581 }
3582
3583 /* based on ipw2200 driver */
3584 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3585 {
3586 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3587 struct iwreq *wrq = (struct iwreq *)rq;
3588 int ret=-1;
3589 struct iw_point *p = &wrq->u.data;
3590 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3591
3592 down(&priv->wx_sem);
3593
3594
3595 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3596 ret = -EINVAL;
3597 goto out;
3598 }
3599
3600 ipw = kmalloc(p->length, GFP_KERNEL);
3601 if (ipw == NULL){
3602 ret = -ENOMEM;
3603 goto out;
3604 }
3605 if (copy_from_user(ipw, p->pointer, p->length)) {
3606 kfree(ipw);
3607 ret = -EFAULT;
3608 goto out;
3609 }
3610
3611 switch (cmd) {
3612 case RTL_IOCTL_WPA_SUPPLICANT:
3613 /* parse here for HW security */
3614 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3615 r8192e_set_hw_key(priv, ipw);
3616 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3617 break;
3618
3619 default:
3620 ret = -EOPNOTSUPP;
3621 break;
3622 }
3623
3624 kfree(ipw);
3625 out:
3626 up(&priv->wx_sem);
3627
3628 return ret;
3629 }
3630
3631 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3632 {
3633 u8 ret_rate = 0x02;
3634
3635 if(!bIsHT) {
3636 switch(rate) {
3637 case DESC90_RATE1M: ret_rate = MGN_1M; break;
3638 case DESC90_RATE2M: ret_rate = MGN_2M; break;
3639 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
3640 case DESC90_RATE11M: ret_rate = MGN_11M; break;
3641 case DESC90_RATE6M: ret_rate = MGN_6M; break;
3642 case DESC90_RATE9M: ret_rate = MGN_9M; break;
3643 case DESC90_RATE12M: ret_rate = MGN_12M; break;
3644 case DESC90_RATE18M: ret_rate = MGN_18M; break;
3645 case DESC90_RATE24M: ret_rate = MGN_24M; break;
3646 case DESC90_RATE36M: ret_rate = MGN_36M; break;
3647 case DESC90_RATE48M: ret_rate = MGN_48M; break;
3648 case DESC90_RATE54M: ret_rate = MGN_54M; break;
3649
3650 default:
3651 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3652 break;
3653 }
3654
3655 } else {
3656 switch(rate) {
3657 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
3658 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
3659 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
3660 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
3661 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
3662 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
3663 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
3664 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
3665 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
3666 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
3667 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
3668 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
3669 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
3670 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
3671 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
3672 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
3673 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
3674
3675 default:
3676 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3677 break;
3678 }
3679 }
3680
3681 return ret_rate;
3682 }
3683
3684 /* Record the TSF time stamp when receiving a packet */
3685 static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats)
3686 {
3687
3688 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3689 stats->mac_time[0] = priv->LastRxDescTSFLow;
3690 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3691 } else {
3692 priv->LastRxDescTSFLow = stats->mac_time[0];
3693 priv->LastRxDescTSFHigh = stats->mac_time[1];
3694 }
3695 }
3696
3697 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3698 {
3699 long signal_power; // in dBm.
3700
3701 // Translate to dBm (x=0.5y-95).
3702 signal_power = (long)((signal_strength_index + 1) >> 1);
3703 signal_power -= 95;
3704
3705 return signal_power;
3706 }
3707
3708 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3709 be a local static. Otherwise, it may increase when we return from S3/S4. The
3710 value will be kept in memory or disk. We must delcare the value in adapter
3711 and it will be reinitialized when return from S3/S4. */
3712 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3713 {
3714 bool bcheck = false;
3715 u8 rfpath;
3716 u32 nspatial_stream, tmp_val;
3717 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3718 static u32 slide_evm_index=0, slide_evm_statistics=0;
3719 static u32 last_rssi=0, last_evm=0;
3720 //cosa add for beacon rssi smoothing
3721 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3722 static u32 last_beacon_adc_pwdb=0;
3723
3724 struct ieee80211_hdr_3addr *hdr;
3725 u16 sc ;
3726 unsigned int frag,seq;
3727 hdr = (struct ieee80211_hdr_3addr *)buffer;
3728 sc = le16_to_cpu(hdr->seq_ctl);
3729 frag = WLAN_GET_SEQ_FRAG(sc);
3730 seq = WLAN_GET_SEQ_SEQ(sc);
3731
3732 //
3733 // Check whether we should take the previous packet into accounting
3734 //
3735 if(!pprevious_stats->bIsAMPDU)
3736 {
3737 // if previous packet is not aggregated packet
3738 bcheck = true;
3739 }
3740
3741 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3742 {
3743 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3744 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3745 priv->stats.slide_rssi_total -= last_rssi;
3746 }
3747 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3748
3749 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3750 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3751 slide_rssi_index = 0;
3752
3753 // <1> Showed on UI for user, in dbm
3754 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3755 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3756 pcurrent_stats->rssi = priv->stats.signal_strength;
3757 //
3758 // If the previous packet does not match the criteria, neglect it
3759 //
3760 if(!pprevious_stats->bPacketMatchBSSID)
3761 {
3762 if(!pprevious_stats->bToSelfBA)
3763 return;
3764 }
3765
3766 if(!bcheck)
3767 return;
3768
3769 // <2> Showed on UI for engineering
3770 // hardware does not provide rssi information for each rf path in CCK
3771 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3772 {
3773 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3774 {
3775 if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3776 continue;
3777 RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3778 //Fixed by Jacken 2008-03-20
3779 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3780 {
3781 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3782 }
3783 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
3784 {
3785 priv->stats.rx_rssi_percentage[rfpath] =
3786 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3787 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3788 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3789 }
3790 else
3791 {
3792 priv->stats.rx_rssi_percentage[rfpath] =
3793 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3794 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3795 }
3796 RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3797 }
3798 }
3799
3800
3801 //
3802 // Check PWDB.
3803 //
3804 //cosa add for beacon rssi smoothing by average.
3805 if(pprevious_stats->bPacketBeacon)
3806 {
3807 /* record the beacon pwdb to the sliding window. */
3808 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3809 {
3810 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3811 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3812 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3813 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3814 }
3815 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3816 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3817 slide_beacon_adc_pwdb_index++;
3818 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3819 slide_beacon_adc_pwdb_index = 0;
3820 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3821 if(pprevious_stats->RxPWDBAll >= 3)
3822 pprevious_stats->RxPWDBAll -= 3;
3823 }
3824
3825 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3826 pprevious_stats->bIsCCK? "CCK": "OFDM",
3827 pprevious_stats->RxPWDBAll);
3828
3829 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3830 {
3831 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3832 {
3833 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3834 }
3835
3836 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3837 {
3838 priv->undecorated_smoothed_pwdb =
3839 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3840 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3841 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3842 }
3843 else
3844 {
3845 priv->undecorated_smoothed_pwdb =
3846 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3847 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3848 }
3849 }
3850
3851 //
3852 // Check EVM
3853 //
3854 /* record the general EVM to the sliding window. */
3855 if(pprevious_stats->SignalQuality == 0)
3856 {
3857 }
3858 else
3859 {
3860 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3861 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3862 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3863 last_evm = priv->stats.slide_evm[slide_evm_index];
3864 priv->stats.slide_evm_total -= last_evm;
3865 }
3866
3867 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3868
3869 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3870 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3871 slide_evm_index = 0;
3872
3873 // <1> Showed on UI for user, in percentage.
3874 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3875 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3876 }
3877
3878 // <2> Showed on UI for engineering
3879 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3880 {
3881 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3882 {
3883 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3884 {
3885 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3886 {
3887 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3888 }
3889 priv->stats.rx_evm_percentage[nspatial_stream] =
3890 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3891 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3892 }
3893 }
3894 }
3895 }
3896
3897 }
3898
3899 static u8 rtl819x_query_rxpwrpercentage(
3900 char antpower
3901 )
3902 {
3903 if ((antpower <= -100) || (antpower >= 20))
3904 {
3905 return 0;
3906 }
3907 else if (antpower >= 0)
3908 {
3909 return 100;
3910 }
3911 else
3912 {
3913 return (100+antpower);
3914 }
3915
3916 }
3917
3918 static u8
3919 rtl819x_evm_dbtopercentage(
3920 char value
3921 )
3922 {
3923 char ret_val;
3924
3925 ret_val = value;
3926
3927 if(ret_val >= 0)
3928 ret_val = 0;
3929 if(ret_val <= -33)
3930 ret_val = -33;
3931 ret_val = 0 - ret_val;
3932 ret_val*=3;
3933 if(ret_val == 99)
3934 ret_val = 100;
3935 return ret_val;
3936 }
3937
3938 /* We want good-looking for signal strength/quality */
3939 static long rtl819x_signal_scale_mapping(long currsig)
3940 {
3941 long retsig;
3942
3943 // Step 1. Scale mapping.
3944 if(currsig >= 61 && currsig <= 100)
3945 {
3946 retsig = 90 + ((currsig - 60) / 4);
3947 }
3948 else if(currsig >= 41 && currsig <= 60)
3949 {
3950 retsig = 78 + ((currsig - 40) / 2);
3951 }
3952 else if(currsig >= 31 && currsig <= 40)
3953 {
3954 retsig = 66 + (currsig - 30);
3955 }
3956 else if(currsig >= 21 && currsig <= 30)
3957 {
3958 retsig = 54 + (currsig - 20);
3959 }
3960 else if(currsig >= 5 && currsig <= 20)
3961 {
3962 retsig = 42 + (((currsig - 5) * 2) / 3);
3963 }
3964 else if(currsig == 4)
3965 {
3966 retsig = 36;
3967 }
3968 else if(currsig == 3)
3969 {
3970 retsig = 27;
3971 }
3972 else if(currsig == 2)
3973 {
3974 retsig = 18;
3975 }
3976 else if(currsig == 1)
3977 {
3978 retsig = 9;
3979 }
3980 else
3981 {
3982 retsig = currsig;
3983 }
3984
3985 return retsig;
3986 }
3987
3988 static void rtl8192_query_rxphystatus(
3989 struct r8192_priv * priv,
3990 struct ieee80211_rx_stats * pstats,
3991 prx_desc_819x_pci pdesc,
3992 prx_fwinfo_819x_pci pdrvinfo,
3993 struct ieee80211_rx_stats * precord_stats,
3994 bool bpacket_match_bssid,
3995 bool bpacket_toself,
3996 bool bPacketBeacon,
3997 bool bToSelfBA
3998 )
3999 {
4000 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
4001 phy_sts_ofdm_819xpci_t* pofdm_buf;
4002 phy_sts_cck_819xpci_t * pcck_buf;
4003 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4004 u8 *prxpkt;
4005 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4006 char rx_pwr[4], rx_pwr_all=0;
4007 //long rx_avg_pwr = 0;
4008 char rx_snrX, rx_evmX;
4009 u8 evm, pwdb_all;
4010 u32 RSSI, total_rssi=0;//, total_evm=0;
4011 // long signal_strength_index = 0;
4012 u8 is_cck_rate=0;
4013 u8 rf_rx_num = 0;
4014
4015 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4016
4017 // Record it for next packet processing
4018 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4019 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4020 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4021 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4022 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4023 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4024 /*2007.08.30 requested by SD3 Jerry */
4025 if (priv->phy_check_reg824 == 0)
4026 {
4027 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4028 priv->phy_check_reg824 = 1;
4029 }
4030
4031
4032 prxpkt = (u8*)pdrvinfo;
4033
4034 /* Move pointer to the 16th bytes. Phy status start address. */
4035 prxpkt += sizeof(rx_fwinfo_819x_pci);
4036
4037 /* Initial the cck and ofdm buffer pointer */
4038 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4039 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4040
4041 pstats->RxMIMOSignalQuality[0] = -1;
4042 pstats->RxMIMOSignalQuality[1] = -1;
4043 precord_stats->RxMIMOSignalQuality[0] = -1;
4044 precord_stats->RxMIMOSignalQuality[1] = -1;
4045
4046 if(is_cck_rate)
4047 {
4048 //
4049 // (1)Hardware does not provide RSSI for CCK
4050 //
4051
4052 //
4053 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4054 //
4055 u8 report;//, cck_agc_rpt;
4056
4057 if (!priv->phy_reg824_bit9)
4058 {
4059 report = pcck_buf->cck_agc_rpt & 0xc0;
4060 report = report>>6;
4061 switch(report)
4062 {
4063 //Fixed by Jacken from Bryant 2008-03-20
4064 //Original value is -38 , -26 , -14 , -2
4065 //Fixed value is -35 , -23 , -11 , 6
4066 case 0x3:
4067 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4068 break;
4069 case 0x2:
4070 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4071 break;
4072 case 0x1:
4073 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4074 break;
4075 case 0x0:
4076 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4077 break;
4078 }
4079 }
4080 else
4081 {
4082 report = pcck_buf->cck_agc_rpt & 0x60;
4083 report = report>>5;
4084 switch(report)
4085 {
4086 case 0x3:
4087 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4088 break;
4089 case 0x2:
4090 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4091 break;
4092 case 0x1:
4093 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4094 break;
4095 case 0x0:
4096 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4097 break;
4098 }
4099 }
4100
4101 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4102 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4103 pstats->RecvSignalPower = rx_pwr_all;
4104
4105 //
4106 // (3) Get Signal Quality (EVM)
4107 //
4108 if(bpacket_match_bssid)
4109 {
4110 u8 sq;
4111
4112 if(pstats->RxPWDBAll > 40)
4113 {
4114 sq = 100;
4115 }else
4116 {
4117 sq = pcck_buf->sq_rpt;
4118
4119 if(pcck_buf->sq_rpt > 64)
4120 sq = 0;
4121 else if (pcck_buf->sq_rpt < 20)
4122 sq = 100;
4123 else
4124 sq = ((64-sq) * 100) / 44;
4125 }
4126 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4127 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4128 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4129 }
4130 }
4131 else
4132 {
4133 //
4134 // (1)Get RSSI for HT rate
4135 //
4136 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4137 {
4138 // 2008/01/30 MH we will judge RF RX path now.
4139 if (priv->brfpath_rxenable[i])
4140 rf_rx_num++;
4141 //else
4142 //continue;
4143
4144 //Fixed by Jacken from Bryant 2008-03-20
4145 //Original value is 106
4146 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4147
4148 //Get Rx snr value in DB
4149 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4150 rx_snrX = (char)(tmp_rxsnr);
4151 rx_snrX /= 2;
4152
4153 /* Translate DBM to percentage. */
4154 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4155 if (priv->brfpath_rxenable[i])
4156 total_rssi += RSSI;
4157
4158 /* Record Signal Strength for next packet */
4159 if(bpacket_match_bssid)
4160 {
4161 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4162 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4163 }
4164 }
4165
4166
4167 //
4168 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4169 //
4170 //Fixed by Jacken from Bryant 2008-03-20
4171 //Original value is 106
4172 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4173 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4174
4175 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4176 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4177 pstats->RecvSignalPower = rx_pwr_all;
4178 //
4179 // (3)EVM of HT rate
4180 //
4181 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4182 pdrvinfo->RxRate<=DESC90_RATEMCS15)
4183 max_spatial_stream = 2; //both spatial stream make sense
4184 else
4185 max_spatial_stream = 1; //only spatial stream 1 makes sense
4186
4187 for(i=0; i<max_spatial_stream; i++)
4188 {
4189 tmp_rxevm = pofdm_buf->rxevm_X[i];
4190 rx_evmX = (char)(tmp_rxevm);
4191
4192 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4193 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4194 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4195 rx_evmX /= 2; //dbm
4196
4197 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4198 if(bpacket_match_bssid)
4199 {
4200 if(i==0) // Fill value in RFD, Get the first spatial stream only
4201 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4202 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4203 }
4204 }
4205
4206
4207 /* record rx statistics for debug */
4208 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4209 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4210 }
4211
4212 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4213 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4214 if(is_cck_rate)
4215 {
4216 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4217
4218 }
4219 else
4220 {
4221 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4222 // We can judge RX path number now.
4223 if (rf_rx_num != 0)
4224 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4225 }
4226 }
4227
4228 static void
4229 rtl8192_record_rxdesc_forlateruse(
4230 struct ieee80211_rx_stats * psrc_stats,
4231 struct ieee80211_rx_stats * ptarget_stats
4232 )
4233 {
4234 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4235 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4236 }
4237
4238
4239
4240 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4241 struct sk_buff *skb,
4242 struct ieee80211_rx_stats * pstats,
4243 prx_desc_819x_pci pdesc,
4244 prx_fwinfo_819x_pci pdrvinfo)
4245 {
4246 // TODO: We must only check packet for current MAC address. Not finish
4247 bool bpacket_match_bssid, bpacket_toself;
4248 bool bPacketBeacon=false, bToSelfBA=false;
4249 struct ieee80211_hdr_3addr *hdr;
4250 u16 fc,type;
4251
4252 // Get Signal Quality for only RX data queue (but not command queue)
4253
4254 u8* tmp_buf;
4255 u8 *praddr;
4256
4257 /* Get MAC frame start address. */
4258 tmp_buf = skb->data;
4259
4260 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4261 fc = le16_to_cpu(hdr->frame_ctl);
4262 type = WLAN_FC_GET_TYPE(fc);
4263 praddr = hdr->addr1;
4264
4265 /* Check if the received packet is acceptabe. */
4266 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4267 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4268 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4269 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4270
4271 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4272 {
4273 bPacketBeacon = true;
4274 }
4275 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4276 {
4277 if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4278 bToSelfBA = true;
4279 }
4280
4281 //
4282 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4283 //
4284 // Because phy information is contained in the last packet of AMPDU only, so driver
4285 // should process phy information of previous packet
4286 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4287 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4288 bpacket_toself ,bPacketBeacon, bToSelfBA);
4289 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4290
4291 }
4292
4293
4294 static void rtl8192_tx_resume(struct r8192_priv *priv)
4295 {
4296 struct ieee80211_device *ieee = priv->ieee80211;
4297 struct net_device *dev = priv->ieee80211->dev;
4298 struct sk_buff *skb;
4299 int i;
4300
4301 for (i = BK_QUEUE; i < TXCMD_QUEUE; i++) {
4302 while ((!skb_queue_empty(&ieee->skb_waitQ[i])) &&
4303 (priv->ieee80211->check_nic_enough_desc(dev, i) > 0)) {
4304 /* 1. dequeue the packet from the wait queue */
4305 skb = skb_dequeue(&ieee->skb_waitQ[i]);
4306 /* 2. tx the packet directly */
4307 ieee->softmac_data_hard_start_xmit(skb, ieee, 0);
4308 }
4309 }
4310 }
4311
4312 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4313 {
4314 struct r8192_priv *priv = (struct r8192_priv*) arg;
4315 struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4316 struct net_device *dev = priv->ieee80211->dev;
4317 unsigned long flags;
4318
4319 /* check if we need to report that the management queue is drained */
4320 spin_lock_irqsave(&priv->irq_th_lock, flags);
4321
4322 if (!skb_queue_len(&mgnt_ring->queue) &&
4323 priv->ieee80211->ack_tx_to_ieee &&
4324 rtl8192_is_tx_queue_empty(dev)) {
4325 priv->ieee80211->ack_tx_to_ieee = 0;
4326 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4327 }
4328
4329 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4330
4331 rtl8192_tx_resume(priv);
4332 }
4333
4334 /* Record the received data rate */
4335 static void UpdateReceivedRateHistogramStatistics8190(
4336 struct r8192_priv *priv,
4337 struct ieee80211_rx_stats* pstats
4338 )
4339 {
4340 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4341 u32 rateIndex;
4342 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4343
4344 if(pstats->bCRC)
4345 rcvType = 2;
4346 else if(pstats->bICV)
4347 rcvType = 3;
4348
4349 if(pstats->bShortPreamble)
4350 preamble_guardinterval = 1;// short
4351 else
4352 preamble_guardinterval = 0;// long
4353
4354 switch(pstats->rate)
4355 {
4356 //
4357 // CCK rate
4358 //
4359 case MGN_1M: rateIndex = 0; break;
4360 case MGN_2M: rateIndex = 1; break;
4361 case MGN_5_5M: rateIndex = 2; break;
4362 case MGN_11M: rateIndex = 3; break;
4363 //
4364 // Legacy OFDM rate
4365 //
4366 case MGN_6M: rateIndex = 4; break;
4367 case MGN_9M: rateIndex = 5; break;
4368 case MGN_12M: rateIndex = 6; break;
4369 case MGN_18M: rateIndex = 7; break;
4370 case MGN_24M: rateIndex = 8; break;
4371 case MGN_36M: rateIndex = 9; break;
4372 case MGN_48M: rateIndex = 10; break;
4373 case MGN_54M: rateIndex = 11; break;
4374 //
4375 // 11n High throughput rate
4376 //
4377 case MGN_MCS0: rateIndex = 12; break;
4378 case MGN_MCS1: rateIndex = 13; break;
4379 case MGN_MCS2: rateIndex = 14; break;
4380 case MGN_MCS3: rateIndex = 15; break;
4381 case MGN_MCS4: rateIndex = 16; break;
4382 case MGN_MCS5: rateIndex = 17; break;
4383 case MGN_MCS6: rateIndex = 18; break;
4384 case MGN_MCS7: rateIndex = 19; break;
4385 case MGN_MCS8: rateIndex = 20; break;
4386 case MGN_MCS9: rateIndex = 21; break;
4387 case MGN_MCS10: rateIndex = 22; break;
4388 case MGN_MCS11: rateIndex = 23; break;
4389 case MGN_MCS12: rateIndex = 24; break;
4390 case MGN_MCS13: rateIndex = 25; break;
4391 case MGN_MCS14: rateIndex = 26; break;
4392 case MGN_MCS15: rateIndex = 27; break;
4393 default: rateIndex = 28; break;
4394 }
4395 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4396 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4397 }
4398
4399 static void rtl8192_rx(struct r8192_priv *priv)
4400 {
4401 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4402 bool unicast_packet = false;
4403 struct ieee80211_rx_stats stats = {
4404 .signal = 0,
4405 .noise = -98,
4406 .rate = 0,
4407 .freq = IEEE80211_24GHZ_BAND,
4408 };
4409 unsigned int count = priv->rxringcount;
4410 prx_fwinfo_819x_pci pDrvInfo = NULL;
4411 struct sk_buff *new_skb;
4412
4413 while (count--) {
4414 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4415 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4416
4417 if (pdesc->OWN)
4418 /* wait data to be filled by hardware */
4419 return;
4420
4421 stats.bICV = pdesc->ICV;
4422 stats.bCRC = pdesc->CRC32;
4423 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4424
4425 stats.Length = pdesc->Length;
4426 if(stats.Length < 24)
4427 stats.bHwError |= 1;
4428
4429 if(stats.bHwError) {
4430 stats.bShift = false;
4431 goto done;
4432 }
4433 pDrvInfo = NULL;
4434 new_skb = dev_alloc_skb(priv->rxbuffersize);
4435
4436 if (unlikely(!new_skb))
4437 goto done;
4438
4439 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4440 stats.RxBufShift = ((pdesc->Shift)&0x03);
4441 stats.Decrypted = !pdesc->SWDec;
4442
4443 pci_dma_sync_single_for_cpu(priv->pdev,
4444 *((dma_addr_t *)skb->cb),
4445 priv->rxbuffersize,
4446 PCI_DMA_FROMDEVICE);
4447 skb_put(skb, pdesc->Length);
4448 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4449 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4450
4451 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4452 stats.bShortPreamble = pDrvInfo->SPLCP;
4453
4454 /* it is debug only. It should be disabled in released driver.
4455 * 2007.1.11 by Emily
4456 * */
4457 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4458
4459 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4460 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4461
4462 stats.TimeStampLow = pDrvInfo->TSFL;
4463 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4464
4465 UpdateRxPktTimeStamp8190(priv, &stats);
4466
4467 //
4468 // Get Total offset of MPDU Frame Body
4469 //
4470 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4471 stats.bShift = 1;
4472
4473 /* ???? */
4474 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4475
4476 /* Rx A-MPDU */
4477 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4478 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4479 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4480 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4481 /* rx packets statistics */
4482 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4483 unicast_packet = false;
4484
4485 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4486 //TODO
4487 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4488 //TODO
4489 }else {
4490 /* unicast packet */
4491 unicast_packet = true;
4492 }
4493
4494 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4495 dev_kfree_skb_any(skb);
4496 } else {
4497 priv->stats.rxok++;
4498 if(unicast_packet) {
4499 priv->stats.rxbytesunicast += skb->len;
4500 }
4501 }
4502
4503 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4504 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4505
4506 skb = new_skb;
4507 priv->rx_buf[priv->rx_idx] = skb;
4508 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4509
4510 done:
4511 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4512 pdesc->OWN = 1;
4513 pdesc->Length = priv->rxbuffersize;
4514 if (priv->rx_idx == priv->rxringcount-1)
4515 pdesc->EOR = 1;
4516 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4517 }
4518
4519 }
4520
4521 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4522 {
4523 struct r8192_priv *priv = (struct r8192_priv*) arg;
4524 rtl8192_rx(priv);
4525 /* unmask RDU */
4526 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4527 }
4528
4529 static const struct net_device_ops rtl8192_netdev_ops = {
4530 .ndo_open = rtl8192_open,
4531 .ndo_stop = rtl8192_close,
4532 .ndo_tx_timeout = tx_timeout,
4533 .ndo_do_ioctl = rtl8192_ioctl,
4534 .ndo_set_multicast_list = r8192_set_multicast,
4535 .ndo_set_mac_address = r8192_set_mac_adr,
4536 .ndo_start_xmit = ieee80211_rtl_xmit,
4537 };
4538
4539 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4540 const struct pci_device_id *id)
4541 {
4542 struct net_device *dev = NULL;
4543 struct r8192_priv *priv= NULL;
4544 u8 unit = 0;
4545 int ret = -ENODEV;
4546 unsigned long pmem_start, pmem_len, pmem_flags;
4547
4548 RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4549
4550 if( pci_enable_device (pdev) ){
4551 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4552 return -EIO;
4553 }
4554
4555 pci_set_master(pdev);
4556 //pci_set_wmi(pdev);
4557 pci_set_dma_mask(pdev, 0xffffff00ULL);
4558 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4559 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4560 if (!dev) {
4561 ret = -ENOMEM;
4562 goto fail_free;
4563 }
4564
4565 pci_set_drvdata(pdev, dev);
4566 SET_NETDEV_DEV(dev, &pdev->dev);
4567 priv = ieee80211_priv(dev);
4568 priv->ieee80211 = netdev_priv(dev);
4569 priv->pdev=pdev;
4570 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4571 priv->ieee80211->bSupportRemoteWakeUp = 1;
4572 } else
4573 {
4574 priv->ieee80211->bSupportRemoteWakeUp = 0;
4575 }
4576
4577 pmem_start = pci_resource_start(pdev, 1);
4578 pmem_len = pci_resource_len(pdev, 1);
4579 pmem_flags = pci_resource_flags (pdev, 1);
4580
4581 if (!(pmem_flags & IORESOURCE_MEM)) {
4582 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4583 goto fail;
4584 }
4585
4586 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4587 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4588 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4589 goto fail;
4590 }
4591
4592 priv->mem_start = ioremap_nocache(pmem_start, pmem_len);
4593 if (!priv->mem_start) {
4594 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4595 goto fail1;
4596 }
4597
4598 dev->mem_start = (unsigned long) priv->mem_start;
4599 dev->mem_end = (unsigned long) (priv->mem_start +
4600 pci_resource_len(pdev, 0));
4601
4602 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4603 * PCI Tx retries from interfering with C3 CPU state */
4604 pci_write_config_byte(pdev, 0x41, 0x00);
4605
4606
4607 pci_read_config_byte(pdev, 0x05, &unit);
4608 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4609
4610 dev->irq = pdev->irq;
4611 priv->irq = 0;
4612
4613 dev->netdev_ops = &rtl8192_netdev_ops;
4614
4615 dev->wireless_handlers = &r8192_wx_handlers_def;
4616 dev->type=ARPHRD_ETHER;
4617
4618 dev->watchdog_timeo = HZ*3;
4619
4620 if (dev_alloc_name(dev, ifname) < 0){
4621 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4622 strcpy(ifname, "wlan%d");
4623 dev_alloc_name(dev, ifname);
4624 }
4625
4626 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4627 if (rtl8192_init(priv)!=0) {
4628 RT_TRACE(COMP_ERR, "Initialization failed\n");
4629 goto fail;
4630 }
4631
4632 register_netdev(dev);
4633 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4634 rtl8192_proc_init_one(priv);
4635
4636
4637 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4638 return 0;
4639
4640 fail1:
4641
4642 if (priv->mem_start) {
4643 iounmap(priv->mem_start);
4644 release_mem_region( pci_resource_start(pdev, 1),
4645 pci_resource_len(pdev, 1) );
4646 }
4647
4648 fail:
4649 if(dev){
4650
4651 if (priv->irq) {
4652 free_irq(dev->irq, dev);
4653 dev->irq=0;
4654 }
4655 free_ieee80211(dev);
4656 }
4657
4658 fail_free:
4659 pci_disable_device(pdev);
4660
4661 DMESG("wlan driver load failed\n");
4662 pci_set_drvdata(pdev, NULL);
4663 return ret;
4664
4665 }
4666
4667 /* detach all the work and timer structure declared or inititialized
4668 * in r8192_init function.
4669 * */
4670 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4671 {
4672 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4673 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4674 * Otherwise call cancel_delayed_work is enough.
4675 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4676 * */
4677 cancel_delayed_work(&priv->watch_dog_wq);
4678 cancel_delayed_work(&priv->update_beacon_wq);
4679 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4680 cancel_delayed_work(&priv->gpio_change_rf_wq);
4681 cancel_work_sync(&priv->reset_wq);
4682 cancel_work_sync(&priv->qos_activate);
4683 }
4684
4685
4686 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4687 {
4688 struct net_device *dev = pci_get_drvdata(pdev);
4689 struct r8192_priv *priv ;
4690 u32 i;
4691
4692 if (dev) {
4693
4694 unregister_netdev(dev);
4695
4696 priv = ieee80211_priv(dev);
4697
4698 rtl8192_proc_remove_one(priv);
4699
4700 rtl8192_down(dev);
4701 if (priv->pFirmware)
4702 {
4703 vfree(priv->pFirmware);
4704 priv->pFirmware = NULL;
4705 }
4706 destroy_workqueue(priv->priv_wq);
4707
4708 /* free tx/rx rings */
4709 rtl8192_free_rx_ring(priv);
4710 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4711 rtl8192_free_tx_ring(priv, i);
4712
4713 if (priv->irq) {
4714 printk("Freeing irq %d\n",dev->irq);
4715 free_irq(dev->irq, dev);
4716 priv->irq=0;
4717 }
4718
4719 if (priv->mem_start) {
4720 iounmap(priv->mem_start);
4721 release_mem_region( pci_resource_start(pdev, 1),
4722 pci_resource_len(pdev, 1) );
4723 }
4724
4725 free_ieee80211(dev);
4726 }
4727
4728 pci_disable_device(pdev);
4729 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4730 }
4731
4732 extern int ieee80211_rtl_init(void);
4733 extern void ieee80211_rtl_exit(void);
4734
4735 static int __init rtl8192_pci_module_init(void)
4736 {
4737 int retval;
4738
4739 retval = ieee80211_rtl_init();
4740 if (retval)
4741 return retval;
4742
4743 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4744 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4745 RT_TRACE(COMP_INIT, "Initializing module\n");
4746 rtl8192_proc_module_init();
4747 if(0!=pci_register_driver(&rtl8192_pci_driver))
4748 {
4749 DMESG("No device found");
4750 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4751 return -ENODEV;
4752 }
4753 return 0;
4754 }
4755
4756
4757 static void __exit rtl8192_pci_module_exit(void)
4758 {
4759 pci_unregister_driver(&rtl8192_pci_driver);
4760
4761 RT_TRACE(COMP_DOWN, "Exiting\n");
4762 rtl8192_proc_module_remove();
4763 ieee80211_rtl_exit();
4764 }
4765
4766 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4767 {
4768 struct net_device *dev = (struct net_device *) netdev;
4769 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4770 unsigned long flags;
4771 u32 inta;
4772 irqreturn_t ret = IRQ_HANDLED;
4773
4774 spin_lock_irqsave(&priv->irq_th_lock, flags);
4775
4776 /* ISR: 4bytes */
4777
4778 inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4779 write_nic_dword(priv, ISR, inta); /* reset int situation */
4780
4781 if (!inta) {
4782 /*
4783 * most probably we can safely return IRQ_NONE,
4784 * but for now is better to avoid problems
4785 */
4786 goto out_unlock;
4787 }
4788
4789 if (inta == 0xffff) {
4790 /* HW disappared */
4791 goto out_unlock;
4792 }
4793
4794 if (!netif_running(dev))
4795 goto out_unlock;
4796
4797 if (inta & IMR_TBDOK) {
4798 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4799 rtl8192_tx_isr(priv, BEACON_QUEUE);
4800 priv->stats.txbeaconokint++;
4801 }
4802
4803 if (inta & IMR_TBDER) {
4804 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4805 rtl8192_tx_isr(priv, BEACON_QUEUE);
4806 priv->stats.txbeaconerr++;
4807 }
4808
4809 if (inta & IMR_MGNTDOK ) {
4810 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4811 priv->stats.txmanageokint++;
4812 rtl8192_tx_isr(priv, MGNT_QUEUE);
4813 }
4814
4815 if (inta & IMR_COMDOK)
4816 {
4817 priv->stats.txcmdpktokint++;
4818 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4819 }
4820
4821 if (inta & IMR_ROK) {
4822 priv->stats.rxint++;
4823 tasklet_schedule(&priv->irq_rx_tasklet);
4824 }
4825
4826 if (inta & IMR_BcnInt) {
4827 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4828 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4829 }
4830
4831 if (inta & IMR_RDU) {
4832 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4833 priv->stats.rxrdu++;
4834 /* reset int situation */
4835 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4836 tasklet_schedule(&priv->irq_rx_tasklet);
4837 }
4838
4839 if (inta & IMR_RXFOVW) {
4840 RT_TRACE(COMP_INTR, "rx overflow !\n");
4841 priv->stats.rxoverflow++;
4842 tasklet_schedule(&priv->irq_rx_tasklet);
4843 }
4844
4845 if (inta & IMR_TXFOVW)
4846 priv->stats.txoverflow++;
4847
4848 if (inta & IMR_BKDOK) {
4849 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4850 priv->stats.txbkokint++;
4851 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4852 rtl8192_tx_isr(priv, BK_QUEUE);
4853 }
4854
4855 if (inta & IMR_BEDOK) {
4856 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4857 priv->stats.txbeokint++;
4858 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4859 rtl8192_tx_isr(priv, BE_QUEUE);
4860 }
4861
4862 if (inta & IMR_VIDOK) {
4863 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4864 priv->stats.txviokint++;
4865 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4866 rtl8192_tx_isr(priv, VI_QUEUE);
4867 }
4868
4869 if (inta & IMR_VODOK) {
4870 priv->stats.txvookint++;
4871 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4872 rtl8192_tx_isr(priv, VO_QUEUE);
4873 }
4874
4875 out_unlock:
4876 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4877
4878 return ret;
4879 }
4880
4881 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4882 {
4883 u8 SECR_value = 0x0;
4884 struct ieee80211_device* ieee = priv->ieee80211;
4885
4886 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4887
4888 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4889 {
4890 SECR_value |= SCR_RxUseDK;
4891 SECR_value |= SCR_TxUseDK;
4892 }
4893 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4894 {
4895 SECR_value |= SCR_RxUseDK;
4896 SECR_value |= SCR_TxUseDK;
4897 }
4898
4899 //add HWSec active enable here.
4900 //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
4901 ieee->hwsec_active = 1;
4902
4903 if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
4904 {
4905 ieee->hwsec_active = 0;
4906 SECR_value &= ~SCR_RxDecEnable;
4907 }
4908
4909 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4910 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4911 {
4912 write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK );
4913 }
4914
4915 }
4916 #define TOTAL_CAM_ENTRY 32
4917 //#define CAM_CONTENT_COUNT 8
4918 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType,
4919 const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
4920 {
4921 u32 TargetCommand = 0;
4922 u32 TargetContent = 0;
4923 u16 usConfig = 0;
4924 u8 i;
4925 #ifdef ENABLE_IPS
4926 RT_RF_POWER_STATE rtState;
4927
4928 rtState = priv->eRFPowerState;
4929 if (priv->PowerSaveControl.bInactivePs){
4930 if(rtState == eRfOff){
4931 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4932 {
4933 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4934 //up(&priv->wx_sem);
4935 return ;
4936 }
4937 else{
4938 down(&priv->ieee80211->ips_sem);
4939 IPSLeave(priv);
4940 up(&priv->ieee80211->ips_sem);
4941 }
4942 }
4943 }
4944 priv->ieee80211->is_set_key = true;
4945 #endif
4946 if (EntryNo >= TOTAL_CAM_ENTRY)
4947 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4948
4949 RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr);
4950
4951 if (DefaultKey)
4952 usConfig |= BIT15 | (KeyType<<2);
4953 else
4954 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4955 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4956
4957
4958 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4959 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
4960 TargetCommand |= BIT31|BIT16;
4961
4962 if(i==0){//MAC|Config
4963 TargetContent = (u32)(*(MacAddr+0)) << 16|
4964 (u32)(*(MacAddr+1)) << 24|
4965 (u32)usConfig;
4966
4967 write_nic_dword(priv, WCAMI, TargetContent);
4968 write_nic_dword(priv, RWCAM, TargetCommand);
4969 }
4970 else if(i==1){//MAC
4971 TargetContent = (u32)(*(MacAddr+2)) |
4972 (u32)(*(MacAddr+3)) << 8|
4973 (u32)(*(MacAddr+4)) << 16|
4974 (u32)(*(MacAddr+5)) << 24;
4975 write_nic_dword(priv, WCAMI, TargetContent);
4976 write_nic_dword(priv, RWCAM, TargetCommand);
4977 }
4978 else { //Key Material
4979 if(KeyContent != NULL)
4980 {
4981 write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
4982 write_nic_dword(priv, RWCAM, TargetCommand);
4983 }
4984 }
4985 }
4986 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
4987 }
4988
4989 bool NicIFEnableNIC(struct r8192_priv *priv)
4990 {
4991 RT_STATUS init_status = RT_STATUS_SUCCESS;
4992 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
4993
4994 //YJ,add,091109
4995 if (priv->up == 0){
4996 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
4997 priv->bdisable_nic = false; //YJ,add,091111
4998 return false;
4999 }
5000 // <1> Reset memory: descriptor, buffer,..
5001 //NicIFResetMemory(Adapter);
5002
5003 // <2> Enable Adapter
5004 //priv->bfirst_init = true;
5005 init_status = rtl8192_adapter_start(priv);
5006 if (init_status != RT_STATUS_SUCCESS) {
5007 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5008 priv->bdisable_nic = false; //YJ,add,091111
5009 return -1;
5010 }
5011 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5012 //priv->bfirst_init = false;
5013
5014 // <3> Enable Interrupt
5015 rtl8192_irq_enable(priv);
5016 priv->bdisable_nic = false;
5017
5018 return (init_status == RT_STATUS_SUCCESS);
5019 }
5020
5021 bool NicIFDisableNIC(struct r8192_priv *priv)
5022 {
5023 bool status = true;
5024 u8 tmp_state = 0;
5025 // <1> Disable Interrupt
5026
5027 priv->bdisable_nic = true; //YJ,move,091109
5028 tmp_state = priv->ieee80211->state;
5029
5030 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5031
5032 priv->ieee80211->state = tmp_state;
5033 rtl8192_cancel_deferred_work(priv);
5034 rtl8192_irq_disable(priv);
5035 // <2> Stop all timer
5036
5037 // <3> Disable Adapter
5038 rtl8192_halt_adapter(priv, false);
5039 // priv->bdisable_nic = true;
5040
5041 return status;
5042 }
5043
5044 module_init(rtl8192_pci_module_init);
5045 module_exit(rtl8192_pci_module_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree