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27#ifndef CONFIG_FORCE_HARD_FLOAT
28double __floatsidf(int i)
29{
30 return i;
31}
32
33unsigned int __fixunsdfsi(double d)
34{
35 return d;
36}
37
38double __adddf3(double a, double b)
39{
40 return a + b;
41}
42
43double __addsf3(float a, float b)
44{
45 return a + b;
46}
47
48double __subdf3(double a, double b)
49{
50 return a - b;
51}
52
53double __extendsfdf2(float a)
54{
55 return a;
56}
57#endif
58
59#define CONFIG_RTL8192_IO_MAP
60
61#include <linux/uaccess.h>
62#include "r8192U_hw.h"
63#include "r8192U.h"
64#include "r8190_rtl8256.h"
65#include "r8180_93cx6.h"
66#include "r8192U_wx.h"
67#include "r819xU_phy.h"
68#include "r819xU_phyreg.h"
69#include "r819xU_cmdpkt.h"
70#include "r8192U_dm.h"
71#include <linux/usb.h>
72#include <linux/slab.h>
73#include <linux/proc_fs.h>
74#include <linux/seq_file.h>
75
76
77#include "dot11d.h"
78
79u32 rt_global_debug_component = COMP_DOWN |
80 COMP_SEC |
81 COMP_ERR;
82
83#define TOTAL_CAM_ENTRY 32
84#define CAM_CONTENT_COUNT 8
85
86static const struct usb_device_id rtl8192_usb_id_tbl[] = {
87
88 {USB_DEVICE(0x0bda, 0x8709)},
89
90 {USB_DEVICE(0x07aa, 0x0043)},
91
92 {USB_DEVICE(0x050d, 0x805E)},
93
94 {USB_DEVICE(0x0df6, 0x0031)},
95
96 {USB_DEVICE(0x1740, 0x9201)},
97
98 {USB_DEVICE(0x2001, 0x3301)},
99
100 {USB_DEVICE(0x5a57, 0x0290)},
101
102 {USB_DEVICE(0x043e, 0x7a01)},
103 {}
104};
105
106MODULE_LICENSE("GPL");
107MODULE_VERSION("V 1.1");
108MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
109MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
110
111static char *ifname = "wlan%d";
112static int hwwep = 1;
113static int channels = 0x3fff;
114
115
116
117module_param(ifname, charp, 0644);
118module_param(hwwep, int, 0644);
119module_param(channels, int, 0644);
120
121MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
122MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
123MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
124
125static int rtl8192_usb_probe(struct usb_interface *intf,
126 const struct usb_device_id *id);
127static void rtl8192_usb_disconnect(struct usb_interface *intf);
128
129
130static struct usb_driver rtl8192_usb_driver = {
131 .name = RTL819xU_MODULE_NAME,
132 .id_table = rtl8192_usb_id_tbl,
133 .probe = rtl8192_usb_probe,
134 .disconnect = rtl8192_usb_disconnect,
135 .suspend = NULL,
136 .resume = NULL,
137};
138
139
140struct CHANNEL_LIST {
141 u8 Channel[32];
142 u8 Len;
143};
144
145static struct CHANNEL_LIST ChannelPlan[] = {
146
147 {{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},
148
149 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
150
151 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
152
153 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
154
155 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
156
157 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
158
159 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
160
161 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
162
163 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
164
165 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
166
167 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
168};
169
170static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
171{
172 int i, max_chan = -1, min_chan = -1;
173 struct ieee80211_device *ieee = priv->ieee80211;
174
175 switch (channel_plan) {
176 case COUNTRY_CODE_FCC:
177 case COUNTRY_CODE_IC:
178 case COUNTRY_CODE_ETSI:
179 case COUNTRY_CODE_SPAIN:
180 case COUNTRY_CODE_FRANCE:
181 case COUNTRY_CODE_MKK:
182 case COUNTRY_CODE_MKK1:
183 case COUNTRY_CODE_ISRAEL:
184 case COUNTRY_CODE_TELEC:
185 case COUNTRY_CODE_MIC:
186 Dot11d_Init(ieee);
187 ieee->bGlobalDomain = false;
188
189 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
190 min_chan = 1;
191 max_chan = 14;
192 } else {
193 RT_TRACE(COMP_ERR,
194 "unknown rf chip, can't set channel map in function:%s()\n",
195 __func__);
196 }
197 if (ChannelPlan[channel_plan].Len != 0) {
198
199 memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
200 sizeof(GET_DOT11D_INFO(ieee)->channel_map));
201
202 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
203 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
204 break;
205 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
206 }
207 }
208 break;
209
210 case COUNTRY_CODE_GLOBAL_DOMAIN:
211
212
213
214 GET_DOT11D_INFO(ieee)->bEnabled = 0;
215 Dot11d_Reset(ieee);
216 ieee->bGlobalDomain = true;
217 break;
218
219 default:
220 break;
221 }
222}
223
224
225
226
227static void CamResetAllEntry(struct net_device *dev)
228{
229 u32 ulcommand = 0;
230
231
232
233
234
235
236 ulcommand |= BIT(31) | BIT(30);
237 write_nic_dword(dev, RWCAM, ulcommand);
238}
239
240
241void write_cam(struct net_device *dev, u8 addr, u32 data)
242{
243 write_nic_dword(dev, WCAMI, data);
244 write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
245}
246
247u32 read_cam(struct net_device *dev, u8 addr)
248{
249 u32 data;
250
251 write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
252 read_nic_dword(dev, 0xa8, &data);
253 return data;
254}
255
256int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
257{
258 int status;
259 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
260 struct usb_device *udev = priv->udev;
261 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
262
263 if (!usbdata)
264 return -ENOMEM;
265 *usbdata = data;
266
267 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
268 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
269 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
270 kfree(usbdata);
271
272 if (status < 0) {
273 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
274 status);
275 return status;
276 }
277 return 0;
278}
279
280int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
281{
282 int status;
283 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
284 struct usb_device *udev = priv->udev;
285 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
286
287 if (!usbdata)
288 return -ENOMEM;
289
290 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
291 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
292 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
293 *data = *usbdata;
294 kfree(usbdata);
295
296 if (status < 0) {
297 netdev_err(dev, "%s failure status: %d\n", __func__, status);
298 return status;
299 }
300
301 return 0;
302}
303
304
305int write_nic_byte(struct net_device *dev, int indx, u8 data)
306{
307 int status;
308
309 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
310 struct usb_device *udev = priv->udev;
311 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
312
313 if (!usbdata)
314 return -ENOMEM;
315 *usbdata = data;
316
317 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
318 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
319 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
320 usbdata, 1, HZ / 2);
321 kfree(usbdata);
322
323 if (status < 0) {
324 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
325 return status;
326 }
327
328 return 0;
329}
330
331
332int write_nic_word(struct net_device *dev, int indx, u16 data)
333{
334 int status;
335
336 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
337 struct usb_device *udev = priv->udev;
338 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
339
340 if (!usbdata)
341 return -ENOMEM;
342 *usbdata = data;
343
344 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
345 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
346 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
347 usbdata, 2, HZ / 2);
348 kfree(usbdata);
349
350 if (status < 0) {
351 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
352 return status;
353 }
354
355 return 0;
356}
357
358
359int write_nic_dword(struct net_device *dev, int indx, u32 data)
360{
361 int status;
362
363 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
364 struct usb_device *udev = priv->udev;
365 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
366
367 if (!usbdata)
368 return -ENOMEM;
369 *usbdata = data;
370
371 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
372 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
373 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
374 usbdata, 4, HZ / 2);
375 kfree(usbdata);
376
377
378 if (status < 0) {
379 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
380 status);
381 return status;
382 }
383
384 return 0;
385}
386
387
388
389int read_nic_byte(struct net_device *dev, int indx, u8 *data)
390{
391 int status;
392 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
393 struct usb_device *udev = priv->udev;
394 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
395
396 if (!usbdata)
397 return -ENOMEM;
398
399 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
400 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
401 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
402 usbdata, 1, HZ / 2);
403 *data = *usbdata;
404 kfree(usbdata);
405
406 if (status < 0) {
407 netdev_err(dev, "%s failure status: %d\n", __func__, status);
408 return status;
409 }
410
411 return 0;
412}
413
414
415
416int read_nic_word(struct net_device *dev, int indx, u16 *data)
417{
418 int status;
419 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
420 struct usb_device *udev = priv->udev;
421 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
422
423 if (!usbdata)
424 return -ENOMEM;
425
426 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
427 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
428 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
429 usbdata, 2, HZ / 2);
430 *data = *usbdata;
431 kfree(usbdata);
432
433 if (status < 0) {
434 netdev_err(dev, "%s failure status: %d\n", __func__, status);
435 return status;
436 }
437
438 return 0;
439}
440
441static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
442{
443 int status;
444 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
445 struct usb_device *udev = priv->udev;
446 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
447
448 if (!usbdata)
449 return -ENOMEM;
450
451 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
452 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
453 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
454 *data = *usbdata;
455 kfree(usbdata);
456
457 if (status < 0) {
458 netdev_err(dev, "%s failure status: %d\n", __func__, status);
459 return status;
460 }
461
462 return 0;
463}
464
465int read_nic_dword(struct net_device *dev, int indx, u32 *data)
466{
467 int status;
468
469 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
470 struct usb_device *udev = priv->udev;
471 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
472
473 if (!usbdata)
474 return -ENOMEM;
475
476 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
477 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
478 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
479 usbdata, 4, HZ / 2);
480 *data = *usbdata;
481 kfree(usbdata);
482
483 if (status < 0) {
484 netdev_err(dev, "%s failure status: %d\n", __func__, status);
485 return status;
486 }
487
488 return 0;
489}
490
491
492
493
494
495
496inline void force_pci_posting(struct net_device *dev)
497{
498}
499
500static struct net_device_stats *rtl8192_stats(struct net_device *dev);
501static void rtl8192_restart(struct work_struct *work);
502static void watch_dog_timer_callback(unsigned long data);
503
504
505
506
507
508static struct proc_dir_entry *rtl8192_proc;
509
510static int proc_get_stats_ap(struct seq_file *m, void *v)
511{
512 struct net_device *dev = m->private;
513 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
514 struct ieee80211_device *ieee = priv->ieee80211;
515 struct ieee80211_network *target;
516
517 list_for_each_entry(target, &ieee->network_list, list) {
518 const char *wpa = "non_WPA";
519
520 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
521 wpa = "WPA";
522
523 seq_printf(m, "%s %s\n", target->ssid, wpa);
524 }
525
526 return 0;
527}
528
529static int proc_get_registers(struct seq_file *m, void *v)
530{
531 struct net_device *dev = m->private;
532 int i, n, max = 0xff;
533 u8 byte_rd;
534
535 seq_puts(m, "\n####################page 0##################\n ");
536
537 for (n = 0; n <= max;) {
538 seq_printf(m, "\nD: %2x > ", n);
539
540 for (i = 0; i < 16 && n <= max; i++, n++) {
541 read_nic_byte(dev, 0x000 | n, &byte_rd);
542 seq_printf(m, "%2x ", byte_rd);
543 }
544 }
545
546 seq_puts(m, "\n####################page 1##################\n ");
547 for (n = 0; n <= max;) {
548 seq_printf(m, "\nD: %2x > ", n);
549
550 for (i = 0; i < 16 && n <= max; i++, n++) {
551 read_nic_byte(dev, 0x100 | n, &byte_rd);
552 seq_printf(m, "%2x ", byte_rd);
553 }
554 }
555
556 seq_puts(m, "\n####################page 3##################\n ");
557 for (n = 0; n <= max;) {
558 seq_printf(m, "\nD: %2x > ", n);
559
560 for (i = 0; i < 16 && n <= max; i++, n++) {
561 read_nic_byte(dev, 0x300 | n, &byte_rd);
562 seq_printf(m, "%2x ", byte_rd);
563 }
564 }
565
566 seq_putc(m, '\n');
567 return 0;
568}
569
570static int proc_get_stats_tx(struct seq_file *m, void *v)
571{
572 struct net_device *dev = m->private;
573 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
574
575 seq_printf(m,
576 "TX VI priority ok int: %lu\n"
577 "TX VI priority error int: %lu\n"
578 "TX VO priority ok int: %lu\n"
579 "TX VO priority error int: %lu\n"
580 "TX BE priority ok int: %lu\n"
581 "TX BE priority error int: %lu\n"
582 "TX BK priority ok int: %lu\n"
583 "TX BK priority error int: %lu\n"
584 "TX MANAGE priority ok int: %lu\n"
585 "TX MANAGE priority error int: %lu\n"
586 "TX BEACON priority ok int: %lu\n"
587 "TX BEACON priority error int: %lu\n"
588 "TX queue resume: %lu\n"
589 "TX queue stopped?: %d\n"
590 "TX fifo overflow: %lu\n"
591 "TX VI queue: %d\n"
592 "TX VO queue: %d\n"
593 "TX BE queue: %d\n"
594 "TX BK queue: %d\n"
595 "TX VI dropped: %lu\n"
596 "TX VO dropped: %lu\n"
597 "TX BE dropped: %lu\n"
598 "TX BK dropped: %lu\n"
599 "TX total data packets %lu\n",
600 priv->stats.txviokint,
601 priv->stats.txvierr,
602 priv->stats.txvookint,
603 priv->stats.txvoerr,
604 priv->stats.txbeokint,
605 priv->stats.txbeerr,
606 priv->stats.txbkokint,
607 priv->stats.txbkerr,
608 priv->stats.txmanageokint,
609 priv->stats.txmanageerr,
610 priv->stats.txbeaconokint,
611 priv->stats.txbeaconerr,
612 priv->stats.txresumed,
613 netif_queue_stopped(dev),
614 priv->stats.txoverflow,
615 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
616 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
617 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
618 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
619 priv->stats.txvidrop,
620 priv->stats.txvodrop,
621 priv->stats.txbedrop,
622 priv->stats.txbkdrop,
623 priv->stats.txdatapkt
624 );
625
626 return 0;
627}
628
629static int proc_get_stats_rx(struct seq_file *m, void *v)
630{
631 struct net_device *dev = m->private;
632 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
633
634 seq_printf(m,
635 "RX packets: %lu\n"
636 "RX urb status error: %lu\n"
637 "RX invalid urb error: %lu\n",
638 priv->stats.rxoktotal,
639 priv->stats.rxstaterr,
640 priv->stats.rxurberr);
641
642 return 0;
643}
644
645static void rtl8192_proc_module_init(void)
646{
647 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
648 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
649}
650
651
652
653
654static int rtl8192_proc_open(struct inode *inode, struct file *file)
655{
656 struct net_device *dev = proc_get_parent_data(inode);
657 int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
658
659 return single_open(file, show, dev);
660}
661
662static const struct file_operations rtl8192_proc_fops = {
663 .open = rtl8192_proc_open,
664 .read = seq_read,
665 .llseek = seq_lseek,
666 .release = single_release,
667};
668
669
670
671
672struct rtl8192_proc_file {
673 char name[12];
674 int (*show)(struct seq_file *, void *);
675};
676
677static const struct rtl8192_proc_file rtl8192_proc_files[] = {
678 { "stats-rx", &proc_get_stats_rx },
679 { "stats-tx", &proc_get_stats_tx },
680 { "stats-ap", &proc_get_stats_ap },
681 { "registers", &proc_get_registers },
682 { "" }
683};
684
685static void rtl8192_proc_init_one(struct net_device *dev)
686{
687 const struct rtl8192_proc_file *f;
688 struct proc_dir_entry *dir;
689
690 if (rtl8192_proc) {
691 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
692 if (!dir) {
693 RT_TRACE(COMP_ERR,
694 "Unable to initialize /proc/net/rtl8192/%s\n",
695 dev->name);
696 return;
697 }
698
699 for (f = rtl8192_proc_files; f->name[0]; f++) {
700 if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
701 &rtl8192_proc_fops, f->show)) {
702 RT_TRACE(COMP_ERR,
703 "Unable to initialize /proc/net/rtl8192/%s/%s\n",
704 dev->name, f->name);
705 return;
706 }
707 }
708 }
709}
710
711static void rtl8192_proc_remove_one(struct net_device *dev)
712{
713 remove_proc_subtree(dev->name, rtl8192_proc);
714}
715
716
717
718
719
720short check_nic_enough_desc(struct net_device *dev, int queue_index)
721{
722 struct r8192_priv *priv = ieee80211_priv(dev);
723 int used = atomic_read(&priv->tx_pending[queue_index]);
724
725 return (used < MAX_TX_URB);
726}
727
728static void tx_timeout(struct net_device *dev)
729{
730 struct r8192_priv *priv = ieee80211_priv(dev);
731
732 schedule_work(&priv->reset_wq);
733}
734
735void rtl8192_update_msr(struct net_device *dev)
736{
737 struct r8192_priv *priv = ieee80211_priv(dev);
738 u8 msr;
739
740 read_nic_byte(dev, MSR, &msr);
741 msr &= ~MSR_LINK_MASK;
742
743
744
745
746
747
748 if (priv->ieee80211->state == IEEE80211_LINKED) {
749 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
750 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
751 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
752 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
753 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
754 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
755
756 } else {
757 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
758 }
759
760 write_nic_byte(dev, MSR, msr);
761}
762
763void rtl8192_set_chan(struct net_device *dev, short ch)
764{
765 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
766
767 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
768 priv->chan = ch;
769
770
771
772
773
774 if (priv->rf_set_chan)
775 priv->rf_set_chan(dev, priv->chan);
776 mdelay(10);
777}
778
779static void rtl8192_rx_isr(struct urb *urb);
780
781static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
782{
783 return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
784 + pstats->RxBufShift);
785}
786
787static int rtl8192_rx_initiate(struct net_device *dev)
788{
789 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
790 struct urb *entry;
791 struct sk_buff *skb;
792 struct rtl8192_rx_info *info;
793
794
795 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
796 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
797 if (!skb)
798 break;
799 entry = usb_alloc_urb(0, GFP_KERNEL);
800 if (!entry) {
801 kfree_skb(skb);
802 break;
803 }
804 usb_fill_bulk_urb(entry, priv->udev,
805 usb_rcvbulkpipe(priv->udev, 3),
806 skb_tail_pointer(skb),
807 RX_URB_SIZE, rtl8192_rx_isr, skb);
808 info = (struct rtl8192_rx_info *)skb->cb;
809 info->urb = entry;
810 info->dev = dev;
811 info->out_pipe = 3;
812 skb_queue_tail(&priv->rx_queue, skb);
813 usb_submit_urb(entry, GFP_KERNEL);
814 }
815
816
817 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
818 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
819 if (!skb)
820 break;
821 entry = usb_alloc_urb(0, GFP_KERNEL);
822 if (!entry) {
823 kfree_skb(skb);
824 break;
825 }
826 usb_fill_bulk_urb(entry, priv->udev,
827 usb_rcvbulkpipe(priv->udev, 9),
828 skb_tail_pointer(skb),
829 RX_URB_SIZE, rtl8192_rx_isr, skb);
830 info = (struct rtl8192_rx_info *)skb->cb;
831 info->urb = entry;
832 info->dev = dev;
833 info->out_pipe = 9;
834 skb_queue_tail(&priv->rx_queue, skb);
835 usb_submit_urb(entry, GFP_KERNEL);
836 }
837
838 return 0;
839}
840
841void rtl8192_set_rxconf(struct net_device *dev)
842{
843 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
844 u32 rxconf;
845
846 read_nic_dword(dev, RCR, &rxconf);
847 rxconf = rxconf & ~MAC_FILTER_MASK;
848 rxconf = rxconf | RCR_AMF;
849 rxconf = rxconf | RCR_ADF;
850 rxconf = rxconf | RCR_AB;
851 rxconf = rxconf | RCR_AM;
852
853 if (dev->flags & IFF_PROMISC)
854 DMESG("NIC in promisc mode");
855
856 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
857 dev->flags & IFF_PROMISC) {
858 rxconf = rxconf | RCR_AAP;
859 } else {
860 rxconf = rxconf | RCR_APM;
861 rxconf = rxconf | RCR_CBSSID;
862 }
863
864
865 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
866 rxconf = rxconf | RCR_AICV;
867 rxconf = rxconf | RCR_APWRMGT;
868 }
869
870 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
871 rxconf = rxconf | RCR_ACRC32;
872
873
874 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
875 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
876 rxconf = rxconf & ~MAX_RX_DMA_MASK;
877 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
878
879 rxconf = rxconf | RCR_ONLYERLPKT;
880
881 write_nic_dword(dev, RCR, rxconf);
882}
883
884
885void rtl8192_rx_enable(struct net_device *dev)
886{
887 rtl8192_rx_initiate(dev);
888}
889
890
891void rtl8192_tx_enable(struct net_device *dev)
892{
893}
894
895
896
897void rtl8192_rtx_disable(struct net_device *dev)
898{
899 u8 cmd;
900 struct r8192_priv *priv = ieee80211_priv(dev);
901 struct sk_buff *skb;
902 struct rtl8192_rx_info *info;
903
904 read_nic_byte(dev, CMDR, &cmd);
905 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
906 force_pci_posting(dev);
907 mdelay(10);
908
909 while ((skb = __skb_dequeue(&priv->rx_queue))) {
910 info = (struct rtl8192_rx_info *)skb->cb;
911 if (!info->urb)
912 continue;
913
914 usb_kill_urb(info->urb);
915 kfree_skb(skb);
916 }
917
918 if (skb_queue_len(&priv->skb_queue))
919 netdev_warn(dev, "skb_queue not empty\n");
920
921 skb_queue_purge(&priv->skb_queue);
922}
923
924
925static void rtl8192_rx_isr(struct urb *urb)
926{
927 struct sk_buff *skb = (struct sk_buff *)urb->context;
928 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
929 struct net_device *dev = info->dev;
930 struct r8192_priv *priv = ieee80211_priv(dev);
931 int out_pipe = info->out_pipe;
932 int err;
933
934 if (!priv->up)
935 return;
936
937 if (unlikely(urb->status)) {
938 info->urb = NULL;
939 priv->stats.rxstaterr++;
940 priv->ieee80211->stats.rx_errors++;
941 usb_free_urb(urb);
942 return;
943 }
944 skb_unlink(skb, &priv->rx_queue);
945 skb_put(skb, urb->actual_length);
946
947 skb_queue_tail(&priv->skb_queue, skb);
948 tasklet_schedule(&priv->irq_rx_tasklet);
949
950 skb = dev_alloc_skb(RX_URB_SIZE);
951 if (unlikely(!skb)) {
952 usb_free_urb(urb);
953 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
954
955 return;
956 }
957
958 usb_fill_bulk_urb(urb, priv->udev,
959 usb_rcvbulkpipe(priv->udev, out_pipe),
960 skb_tail_pointer(skb),
961 RX_URB_SIZE, rtl8192_rx_isr, skb);
962
963 info = (struct rtl8192_rx_info *)skb->cb;
964 info->urb = urb;
965 info->dev = dev;
966 info->out_pipe = out_pipe;
967
968 urb->transfer_buffer = skb_tail_pointer(skb);
969 urb->context = skb;
970 skb_queue_tail(&priv->rx_queue, skb);
971 err = usb_submit_urb(urb, GFP_ATOMIC);
972 if (err && err != EPERM)
973 netdev_err(dev,
974 "can not submit rxurb, err is %x, URB status is %x\n",
975 err, urb->status);
976}
977
978static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
979 struct ieee80211_rx_stats *pstats)
980{
981 u32 status;
982
983 status = cmpk_message_handle_rx(dev, pstats);
984 if (status)
985 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
986
987 return status;
988}
989
990
991static void rtl8192_data_hard_stop(struct net_device *dev)
992{
993
994}
995
996
997static void rtl8192_data_hard_resume(struct net_device *dev)
998{
999
1000}
1001
1002
1003
1004
1005static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1006 int rate)
1007{
1008 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1009 int ret;
1010 unsigned long flags;
1011 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1012 u8 queue_index = tcb_desc->queue_index;
1013
1014
1015 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1016
1017 spin_lock_irqsave(&priv->tx_lock, flags);
1018
1019 *(struct net_device **)(skb->cb) = dev;
1020 tcb_desc->bTxEnableFwCalcDur = 1;
1021 skb_push(skb, priv->ieee80211->tx_headroom);
1022 ret = rtl8192_tx(dev, skb);
1023
1024 spin_unlock_irqrestore(&priv->tx_lock, flags);
1025}
1026
1027
1028
1029
1030
1031
1032static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1033{
1034 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1035 int ret;
1036 unsigned long flags;
1037 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1038 u8 queue_index = tcb_desc->queue_index;
1039
1040
1041 spin_lock_irqsave(&priv->tx_lock, flags);
1042
1043 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1044 if (queue_index == TXCMD_QUEUE) {
1045 skb_push(skb, USB_HWDESC_HEADER_LEN);
1046 rtl819xU_tx_cmd(dev, skb);
1047 ret = 1;
1048 } else {
1049 skb_push(skb, priv->ieee80211->tx_headroom);
1050 ret = rtl8192_tx(dev, skb);
1051 }
1052
1053 spin_unlock_irqrestore(&priv->tx_lock, flags);
1054
1055 return ret;
1056}
1057
1058static void rtl8192_tx_isr(struct urb *tx_urb)
1059{
1060 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1061 struct net_device *dev;
1062 struct r8192_priv *priv = NULL;
1063 struct cb_desc *tcb_desc;
1064 u8 queue_index;
1065
1066 if (!skb)
1067 return;
1068
1069 dev = *(struct net_device **)(skb->cb);
1070 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1071 queue_index = tcb_desc->queue_index;
1072
1073 priv = ieee80211_priv(dev);
1074
1075 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1076 if (tx_urb->status == 0) {
1077 netif_trans_update(dev);
1078 priv->stats.txoktotal++;
1079 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1080 priv->stats.txbytesunicast +=
1081 (skb->len - priv->ieee80211->tx_headroom);
1082 } else {
1083 priv->ieee80211->stats.tx_errors++;
1084
1085 }
1086 }
1087
1088
1089 dev_kfree_skb_any(skb);
1090 usb_free_urb(tx_urb);
1091 atomic_dec(&priv->tx_pending[queue_index]);
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106 if (queue_index != BEACON_QUEUE) {
1107
1108 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1109 (!(priv->ieee80211->queue_stop))) {
1110 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1111 if (skb)
1112 priv->ieee80211->softmac_hard_start_xmit(skb,
1113 dev);
1114
1115 return;
1116 }
1117 }
1118}
1119
1120static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1121{
1122 struct r8192_priv *priv = ieee80211_priv(dev);
1123 struct ieee80211_network *net;
1124 u8 i = 0, basic_rate = 0;
1125
1126 net = &priv->ieee80211->current_network;
1127
1128 for (i = 0; i < net->rates_len; i++) {
1129 basic_rate = net->rates[i] & 0x7f;
1130 switch (basic_rate) {
1131 case MGN_1M:
1132 *rate_config |= RRSR_1M;
1133 break;
1134 case MGN_2M:
1135 *rate_config |= RRSR_2M;
1136 break;
1137 case MGN_5_5M:
1138 *rate_config |= RRSR_5_5M;
1139 break;
1140 case MGN_11M:
1141 *rate_config |= RRSR_11M;
1142 break;
1143 case MGN_6M:
1144 *rate_config |= RRSR_6M;
1145 break;
1146 case MGN_9M:
1147 *rate_config |= RRSR_9M;
1148 break;
1149 case MGN_12M:
1150 *rate_config |= RRSR_12M;
1151 break;
1152 case MGN_18M:
1153 *rate_config |= RRSR_18M;
1154 break;
1155 case MGN_24M:
1156 *rate_config |= RRSR_24M;
1157 break;
1158 case MGN_36M:
1159 *rate_config |= RRSR_36M;
1160 break;
1161 case MGN_48M:
1162 *rate_config |= RRSR_48M;
1163 break;
1164 case MGN_54M:
1165 *rate_config |= RRSR_54M;
1166 break;
1167 }
1168 }
1169 for (i = 0; i < net->rates_ex_len; i++) {
1170 basic_rate = net->rates_ex[i] & 0x7f;
1171 switch (basic_rate) {
1172 case MGN_1M:
1173 *rate_config |= RRSR_1M;
1174 break;
1175 case MGN_2M:
1176 *rate_config |= RRSR_2M;
1177 break;
1178 case MGN_5_5M:
1179 *rate_config |= RRSR_5_5M;
1180 break;
1181 case MGN_11M:
1182 *rate_config |= RRSR_11M;
1183 break;
1184 case MGN_6M:
1185 *rate_config |= RRSR_6M;
1186 break;
1187 case MGN_9M:
1188 *rate_config |= RRSR_9M;
1189 break;
1190 case MGN_12M:
1191 *rate_config |= RRSR_12M;
1192 break;
1193 case MGN_18M:
1194 *rate_config |= RRSR_18M;
1195 break;
1196 case MGN_24M:
1197 *rate_config |= RRSR_24M;
1198 break;
1199 case MGN_36M:
1200 *rate_config |= RRSR_36M;
1201 break;
1202 case MGN_48M:
1203 *rate_config |= RRSR_48M;
1204 break;
1205 case MGN_54M:
1206 *rate_config |= RRSR_54M;
1207 break;
1208 }
1209 }
1210}
1211
1212
1213#define SHORT_SLOT_TIME 9
1214#define NON_SHORT_SLOT_TIME 20
1215
1216static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1217{
1218 u32 tmp = 0;
1219 struct r8192_priv *priv = ieee80211_priv(dev);
1220 struct ieee80211_network *net = &priv->ieee80211->current_network;
1221
1222 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1223 tmp = priv->basic_rate;
1224 if (priv->short_preamble)
1225 tmp |= BRSR_AckShortPmb;
1226 write_nic_dword(dev, RRSR, tmp);
1227
1228 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1229 u8 slot_time = 0;
1230
1231 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1232 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1233
1234 slot_time = SHORT_SLOT_TIME;
1235 else
1236 slot_time = NON_SHORT_SLOT_TIME;
1237 priv->slot_time = slot_time;
1238 write_nic_byte(dev, SLOT_TIME, slot_time);
1239 }
1240}
1241
1242static void rtl8192_net_update(struct net_device *dev)
1243{
1244 struct r8192_priv *priv = ieee80211_priv(dev);
1245 struct ieee80211_network *net;
1246 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1247 u16 rate_config = 0;
1248
1249 net = &priv->ieee80211->current_network;
1250
1251 rtl8192_config_rate(dev, &rate_config);
1252 priv->basic_rate = rate_config & 0x15f;
1253
1254 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1255 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1256
1257 rtl8192_update_msr(dev);
1258 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1259 write_nic_word(dev, ATIMWND, 2);
1260 write_nic_word(dev, BCN_DMATIME, 1023);
1261 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1262 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1263 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1264 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1265
1266 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1267
1268 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1269 }
1270}
1271
1272
1273
1274
1275void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1276{
1277
1278}
1279
1280short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1281{
1282 struct r8192_priv *priv = ieee80211_priv(dev);
1283 int status;
1284 struct urb *tx_urb;
1285 unsigned int idx_pipe;
1286 tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1287 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1288 u8 queue_index = tcb_desc->queue_index;
1289
1290 atomic_inc(&priv->tx_pending[queue_index]);
1291 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1292 if (!tx_urb) {
1293 dev_kfree_skb(skb);
1294 return -ENOMEM;
1295 }
1296
1297 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1298
1299 pdesc->FirstSeg = 1;
1300 pdesc->LastSeg = 1;
1301 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1302 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1303 pdesc->OWN = 1;
1304 pdesc->LINIP = tcb_desc->bLastIniPkt;
1305
1306
1307
1308
1309
1310 idx_pipe = 0x04;
1311 usb_fill_bulk_urb(tx_urb, priv->udev,
1312 usb_sndbulkpipe(priv->udev, idx_pipe),
1313 skb->data, skb->len, rtl8192_tx_isr, skb);
1314
1315 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1316
1317 if (!status)
1318 return 0;
1319
1320 DMESGE("Error TX CMD URB, error %d", status);
1321 return -1;
1322}
1323
1324
1325
1326
1327
1328
1329
1330
1331static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1332{
1333 u8 QueueSelect = 0x0;
1334
1335 switch (QueueID) {
1336 case BE_QUEUE:
1337 QueueSelect = QSLT_BE;
1338 break;
1339
1340 case BK_QUEUE:
1341 QueueSelect = QSLT_BK;
1342 break;
1343
1344 case VO_QUEUE:
1345 QueueSelect = QSLT_VO;
1346 break;
1347
1348 case VI_QUEUE:
1349 QueueSelect = QSLT_VI;
1350 break;
1351 case MGNT_QUEUE:
1352 QueueSelect = QSLT_MGNT;
1353 break;
1354
1355 case BEACON_QUEUE:
1356 QueueSelect = QSLT_BEACON;
1357 break;
1358
1359
1360
1361 case TXCMD_QUEUE:
1362 QueueSelect = QSLT_CMD;
1363 break;
1364 case HIGH_QUEUE:
1365 QueueSelect = QSLT_HIGH;
1366 break;
1367
1368 default:
1369 RT_TRACE(COMP_ERR,
1370 "TransmitTCB(): Impossible Queue Selection: %d\n",
1371 QueueID);
1372 break;
1373 }
1374 return QueueSelect;
1375}
1376
1377static u8 MRateToHwRate8190Pci(u8 rate)
1378{
1379 u8 ret = DESC90_RATE1M;
1380
1381 switch (rate) {
1382 case MGN_1M:
1383 ret = DESC90_RATE1M;
1384 break;
1385 case MGN_2M:
1386 ret = DESC90_RATE2M;
1387 break;
1388 case MGN_5_5M:
1389 ret = DESC90_RATE5_5M;
1390 break;
1391 case MGN_11M:
1392 ret = DESC90_RATE11M;
1393 break;
1394 case MGN_6M:
1395 ret = DESC90_RATE6M;
1396 break;
1397 case MGN_9M:
1398 ret = DESC90_RATE9M;
1399 break;
1400 case MGN_12M:
1401 ret = DESC90_RATE12M;
1402 break;
1403 case MGN_18M:
1404 ret = DESC90_RATE18M;
1405 break;
1406 case MGN_24M:
1407 ret = DESC90_RATE24M;
1408 break;
1409 case MGN_36M:
1410 ret = DESC90_RATE36M;
1411 break;
1412 case MGN_48M:
1413 ret = DESC90_RATE48M;
1414 break;
1415 case MGN_54M:
1416 ret = DESC90_RATE54M;
1417 break;
1418
1419
1420 case MGN_MCS0:
1421 ret = DESC90_RATEMCS0;
1422 break;
1423 case MGN_MCS1:
1424 ret = DESC90_RATEMCS1;
1425 break;
1426 case MGN_MCS2:
1427 ret = DESC90_RATEMCS2;
1428 break;
1429 case MGN_MCS3:
1430 ret = DESC90_RATEMCS3;
1431 break;
1432 case MGN_MCS4:
1433 ret = DESC90_RATEMCS4;
1434 break;
1435 case MGN_MCS5:
1436 ret = DESC90_RATEMCS5;
1437 break;
1438 case MGN_MCS6:
1439 ret = DESC90_RATEMCS6;
1440 break;
1441 case MGN_MCS7:
1442 ret = DESC90_RATEMCS7;
1443 break;
1444 case MGN_MCS8:
1445 ret = DESC90_RATEMCS8;
1446 break;
1447 case MGN_MCS9:
1448 ret = DESC90_RATEMCS9;
1449 break;
1450 case MGN_MCS10:
1451 ret = DESC90_RATEMCS10;
1452 break;
1453 case MGN_MCS11:
1454 ret = DESC90_RATEMCS11;
1455 break;
1456 case MGN_MCS12:
1457 ret = DESC90_RATEMCS12;
1458 break;
1459 case MGN_MCS13:
1460 ret = DESC90_RATEMCS13;
1461 break;
1462 case MGN_MCS14:
1463 ret = DESC90_RATEMCS14;
1464 break;
1465 case MGN_MCS15:
1466 ret = DESC90_RATEMCS15;
1467 break;
1468 case (0x80 | 0x20):
1469 ret = DESC90_RATEMCS32;
1470 break;
1471
1472 default:
1473 break;
1474 }
1475 return ret;
1476}
1477
1478
1479static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1480{
1481 u8 tmp_Short;
1482
1483 tmp_Short = (TxHT == 1) ?
1484 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1485 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1486
1487 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1488 tmp_Short = 0;
1489
1490 return tmp_Short;
1491}
1492
1493static void tx_zero_isr(struct urb *tx_urb)
1494{
1495}
1496
1497
1498
1499
1500
1501
1502short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1503{
1504 struct r8192_priv *priv = ieee80211_priv(dev);
1505 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1506 tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1507 tx_fwinfo_819x_usb *tx_fwinfo =
1508 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1509 struct usb_device *udev = priv->udev;
1510 int pend;
1511 int status;
1512 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1513 unsigned int idx_pipe;
1514
1515 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1516
1517
1518
1519
1520 if (pend > MAX_TX_URB) {
1521 netdev_dbg(dev, "To discard skb packet!\n");
1522 dev_kfree_skb_any(skb);
1523 return -1;
1524 }
1525
1526 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1527 if (!tx_urb) {
1528 dev_kfree_skb_any(skb);
1529 return -ENOMEM;
1530 }
1531
1532
1533 memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1534
1535 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1536 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1537 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1538 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1539 tcb_desc);
1540 if (tcb_desc->bAMPDUEnable) {
1541 tx_fwinfo->AllowAggregation = 1;
1542
1543 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1544 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1545 } else {
1546 tx_fwinfo->AllowAggregation = 0;
1547
1548 tx_fwinfo->RxMF = 0;
1549 tx_fwinfo->RxAMD = 0;
1550 }
1551
1552
1553 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1554 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1555 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1556 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1557 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1558 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1559 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1560 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1561 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1562
1563
1564 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1565 if (tcb_desc->bPacketBW) {
1566 tx_fwinfo->TxBandwidth = 1;
1567
1568 tx_fwinfo->TxSubCarrier = 0;
1569 } else {
1570 tx_fwinfo->TxBandwidth = 0;
1571 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1572 }
1573 } else {
1574 tx_fwinfo->TxBandwidth = 0;
1575 tx_fwinfo->TxSubCarrier = 0;
1576 }
1577
1578
1579 memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1580
1581 tx_desc->LINIP = 0;
1582 tx_desc->CmdInit = 1;
1583 tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
1584 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1585
1586
1587 tx_desc->SecCAMID = 0;
1588 tx_desc->RATid = tcb_desc->RATRIndex;
1589 tx_desc->NoEnc = 1;
1590 tx_desc->SecType = 0x0;
1591 if (tcb_desc->bHwSec) {
1592 switch (priv->ieee80211->pairwise_key_type) {
1593 case KEY_TYPE_WEP40:
1594 case KEY_TYPE_WEP104:
1595 tx_desc->SecType = 0x1;
1596 tx_desc->NoEnc = 0;
1597 break;
1598 case KEY_TYPE_TKIP:
1599 tx_desc->SecType = 0x2;
1600 tx_desc->NoEnc = 0;
1601 break;
1602 case KEY_TYPE_CCMP:
1603 tx_desc->SecType = 0x3;
1604 tx_desc->NoEnc = 0;
1605 break;
1606 case KEY_TYPE_NA:
1607 tx_desc->SecType = 0x0;
1608 tx_desc->NoEnc = 1;
1609 break;
1610 }
1611 }
1612
1613 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1614 tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
1615
1616 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1617 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1618
1619
1620
1621
1622
1623 tx_desc->FirstSeg = 1;
1624 tx_desc->LastSeg = 1;
1625 tx_desc->OWN = 1;
1626
1627
1628 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1629 idx_pipe = 0x5;
1630
1631
1632 usb_fill_bulk_urb(tx_urb, udev,
1633 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1634 skb->len, rtl8192_tx_isr, skb);
1635
1636 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1637 if (!status) {
1638
1639
1640
1641
1642
1643 bool bSend0Byte = false;
1644 u8 zero = 0;
1645
1646 if (udev->speed == USB_SPEED_HIGH) {
1647 if (skb->len > 0 && skb->len % 512 == 0)
1648 bSend0Byte = true;
1649 } else {
1650 if (skb->len > 0 && skb->len % 64 == 0)
1651 bSend0Byte = true;
1652 }
1653 if (bSend0Byte) {
1654 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1655 if (!tx_urb_zero)
1656 return -ENOMEM;
1657 usb_fill_bulk_urb(tx_urb_zero, udev,
1658 usb_sndbulkpipe(udev, idx_pipe),
1659 &zero, 0, tx_zero_isr, dev);
1660 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1661 if (status) {
1662 RT_TRACE(COMP_ERR,
1663 "Error TX URB for zero byte %d, error %d",
1664 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1665 status);
1666 return -1;
1667 }
1668 }
1669 netif_trans_update(dev);
1670 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1671 return 0;
1672 }
1673
1674 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1675 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1676 status);
1677 return -1;
1678}
1679
1680static short rtl8192_usb_initendpoints(struct net_device *dev)
1681{
1682 struct r8192_priv *priv = ieee80211_priv(dev);
1683
1684 priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1685 GFP_KERNEL);
1686 if (!priv->rx_urb)
1687 return -ENOMEM;
1688
1689#ifndef JACKSON_NEW_RX
1690 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1691 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1692
1693 priv->rx_urb[i]->transfer_buffer =
1694 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1695
1696 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1697 }
1698#endif
1699
1700#ifdef THOMAS_BEACON
1701 {
1702 long align = 0;
1703 void *oldaddr, *newaddr;
1704
1705 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1706 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1707 oldaddr = priv->oldaddr;
1708 align = ((long)oldaddr) & 3;
1709 if (align) {
1710 newaddr = oldaddr + 4 - align;
1711 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1712 } else {
1713 newaddr = oldaddr;
1714 priv->rx_urb[16]->transfer_buffer_length = 16;
1715 }
1716 priv->rx_urb[16]->transfer_buffer = newaddr;
1717 }
1718#endif
1719
1720 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1721 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1722 GFP_KERNEL);
1723 if (!priv->pp_rxskb) {
1724 kfree(priv->rx_urb);
1725
1726 priv->pp_rxskb = NULL;
1727 priv->rx_urb = NULL;
1728
1729 DMESGE("Endpoint Alloc Failure");
1730 return -ENOMEM;
1731 }
1732
1733 netdev_dbg(dev, "End of initendpoints\n");
1734 return 0;
1735}
1736
1737#ifdef THOMAS_BEACON
1738static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1739{
1740 int i;
1741 struct r8192_priv *priv = ieee80211_priv(dev);
1742
1743 if (priv->rx_urb) {
1744 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1745 usb_kill_urb(priv->rx_urb[i]);
1746 usb_free_urb(priv->rx_urb[i]);
1747 }
1748 kfree(priv->rx_urb);
1749 priv->rx_urb = NULL;
1750 }
1751 kfree(priv->oldaddr);
1752 priv->oldaddr = NULL;
1753
1754 kfree(priv->pp_rxskb);
1755 priv->pp_rxskb = NULL;
1756}
1757#else
1758void rtl8192_usb_deleteendpoints(struct net_device *dev)
1759{
1760 int i;
1761 struct r8192_priv *priv = ieee80211_priv(dev);
1762
1763#ifndef JACKSON_NEW_RX
1764
1765 if (priv->rx_urb) {
1766 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1767 usb_kill_urb(priv->rx_urb[i]);
1768 kfree(priv->rx_urb[i]->transfer_buffer);
1769 usb_free_urb(priv->rx_urb[i]);
1770 }
1771 kfree(priv->rx_urb);
1772 priv->rx_urb = NULL;
1773 }
1774#else
1775 kfree(priv->rx_urb);
1776 priv->rx_urb = NULL;
1777 kfree(priv->oldaddr);
1778 priv->oldaddr = NULL;
1779
1780 kfree(priv->pp_rxskb);
1781 priv->pp_rxskb = 0;
1782
1783#endif
1784}
1785#endif
1786
1787static void rtl8192_update_ratr_table(struct net_device *dev);
1788static void rtl8192_link_change(struct net_device *dev)
1789{
1790 struct r8192_priv *priv = ieee80211_priv(dev);
1791 struct ieee80211_device *ieee = priv->ieee80211;
1792
1793 if (ieee->state == IEEE80211_LINKED) {
1794 rtl8192_net_update(dev);
1795 rtl8192_update_ratr_table(dev);
1796
1797
1798
1799
1800 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1801 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1802 EnableHWSecurityConfig8192(dev);
1803 }
1804
1805 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1806 u32 reg = 0;
1807
1808 read_nic_dword(dev, RCR, ®);
1809 if (priv->ieee80211->state == IEEE80211_LINKED)
1810 priv->ReceiveConfig = reg |= RCR_CBSSID;
1811 else
1812 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1813 write_nic_dword(dev, RCR, reg);
1814 }
1815}
1816
1817static const struct ieee80211_qos_parameters def_qos_parameters = {
1818 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1819 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1820 {2, 2, 2, 2},
1821 {0, 0, 0, 0},
1822 {0, 0, 0, 0}
1823};
1824
1825
1826static void rtl8192_update_beacon(struct work_struct *work)
1827{
1828 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1829 update_beacon_wq.work);
1830 struct net_device *dev = priv->ieee80211->dev;
1831 struct ieee80211_device *ieee = priv->ieee80211;
1832 struct ieee80211_network *net = &ieee->current_network;
1833
1834 if (ieee->pHTInfo->bCurrentHTSupport)
1835 HTUpdateSelfAndPeerSetting(ieee, net);
1836 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1837 net->bssht.bdRT2RTLongSlotTime;
1838 rtl8192_update_cap(dev, net->capability);
1839}
1840
1841
1842
1843
1844static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1845 EDCAPARA_VI, EDCAPARA_VO};
1846static void rtl8192_qos_activate(struct work_struct *work)
1847{
1848 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1849 qos_activate);
1850 struct net_device *dev = priv->ieee80211->dev;
1851 struct ieee80211_qos_parameters *qos_parameters =
1852 &priv->ieee80211->current_network.qos_data.parameters;
1853 u8 mode = priv->ieee80211->current_network.mode;
1854 u32 u1bAIFS;
1855 u32 u4bAcParam;
1856 u32 op_limit;
1857 u32 cw_max;
1858 u32 cw_min;
1859 int i;
1860
1861 mutex_lock(&priv->mutex);
1862 if (priv->ieee80211->state != IEEE80211_LINKED)
1863 goto success;
1864 RT_TRACE(COMP_QOS,
1865 "qos active process with associate response received\n");
1866
1867
1868
1869
1870
1871
1872
1873 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1874
1875 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1876 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1877 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1878 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1879 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1880 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1881 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1882 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1883 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1884 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1885 }
1886
1887success:
1888 mutex_unlock(&priv->mutex);
1889}
1890
1891static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1892 int active_network,
1893 struct ieee80211_network *network)
1894{
1895 int ret = 0;
1896 u32 size = sizeof(struct ieee80211_qos_parameters);
1897
1898 if (priv->ieee80211->state != IEEE80211_LINKED)
1899 return ret;
1900
1901 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1902 return ret;
1903
1904 if (network->flags & NETWORK_HAS_QOS_MASK) {
1905 if (active_network &&
1906 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1907 network->qos_data.active = network->qos_data.supported;
1908
1909 if ((network->qos_data.active == 1) && (active_network == 1) &&
1910 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1911 (network->qos_data.old_param_count !=
1912 network->qos_data.param_count)) {
1913 network->qos_data.old_param_count =
1914 network->qos_data.param_count;
1915 schedule_work(&priv->qos_activate);
1916 RT_TRACE(COMP_QOS,
1917 "QoS parameters change call qos_activate\n");
1918 }
1919 } else {
1920 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1921 &def_qos_parameters, size);
1922
1923 if ((network->qos_data.active == 1) && (active_network == 1)) {
1924 schedule_work(&priv->qos_activate);
1925 RT_TRACE(COMP_QOS,
1926 "QoS was disabled call qos_activate\n");
1927 }
1928 network->qos_data.active = 0;
1929 network->qos_data.supported = 0;
1930 }
1931
1932 return 0;
1933}
1934
1935
1936static int rtl8192_handle_beacon(struct net_device *dev,
1937 struct ieee80211_beacon *beacon,
1938 struct ieee80211_network *network)
1939{
1940 struct r8192_priv *priv = ieee80211_priv(dev);
1941
1942 rtl8192_qos_handle_probe_response(priv, 1, network);
1943 schedule_delayed_work(&priv->update_beacon_wq, 0);
1944 return 0;
1945}
1946
1947
1948
1949
1950
1951
1952static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1953 struct ieee80211_network *network)
1954{
1955 unsigned long flags;
1956 u32 size = sizeof(struct ieee80211_qos_parameters);
1957 int set_qos_param = 0;
1958
1959 if (!priv || !network)
1960 return 0;
1961
1962 if (priv->ieee80211->state != IEEE80211_LINKED)
1963 return 0;
1964
1965 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1966 return 0;
1967
1968 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1969 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1970 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1971 &network->qos_data.parameters,
1972 sizeof(struct ieee80211_qos_parameters));
1973 priv->ieee80211->current_network.qos_data.active = 1;
1974 set_qos_param = 1;
1975
1976 priv->ieee80211->current_network.qos_data.old_param_count =
1977 priv->ieee80211->current_network.qos_data.param_count;
1978 priv->ieee80211->current_network.qos_data.param_count =
1979 network->qos_data.param_count;
1980 } else {
1981 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1982 &def_qos_parameters, size);
1983 priv->ieee80211->current_network.qos_data.active = 0;
1984 priv->ieee80211->current_network.qos_data.supported = 0;
1985 set_qos_param = 1;
1986 }
1987
1988 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1989
1990 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1991 network->flags,
1992 priv->ieee80211->current_network.qos_data.active);
1993 if (set_qos_param == 1)
1994 schedule_work(&priv->qos_activate);
1995
1996
1997 return 0;
1998}
1999
2000
2001static int rtl8192_handle_assoc_response(
2002 struct net_device *dev,
2003 struct ieee80211_assoc_response_frame *resp,
2004 struct ieee80211_network *network)
2005{
2006 struct r8192_priv *priv = ieee80211_priv(dev);
2007
2008 rtl8192_qos_association_resp(priv, network);
2009 return 0;
2010}
2011
2012
2013static void rtl8192_update_ratr_table(struct net_device *dev)
2014{
2015 struct r8192_priv *priv = ieee80211_priv(dev);
2016 struct ieee80211_device *ieee = priv->ieee80211;
2017 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2018 u32 ratr_value = 0;
2019 u8 rate_index = 0;
2020
2021 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2022 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2023 switch (ieee->mode) {
2024 case IEEE_A:
2025 ratr_value &= 0x00000FF0;
2026 break;
2027 case IEEE_B:
2028 ratr_value &= 0x0000000F;
2029 break;
2030 case IEEE_G:
2031 ratr_value &= 0x00000FF7;
2032 break;
2033 case IEEE_N_24G:
2034 case IEEE_N_5G:
2035 if (ieee->pHTInfo->PeerMimoPs == 0) {
2036 ratr_value &= 0x0007F007;
2037 } else {
2038 if (priv->rf_type == RF_1T2R)
2039 ratr_value &= 0x000FF007;
2040 else
2041 ratr_value &= 0x0F81F007;
2042 }
2043 break;
2044 default:
2045 break;
2046 }
2047 ratr_value &= 0x0FFFFFFF;
2048 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2049 ratr_value |= 0x80000000;
2050 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2051 ieee->pHTInfo->bCurShortGI20MHz)
2052 ratr_value |= 0x80000000;
2053 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2054 write_nic_byte(dev, UFWP, 1);
2055}
2056
2057static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2058static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2059static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2060{
2061 struct r8192_priv *priv = ieee80211_priv(dev);
2062 struct ieee80211_device *ieee = priv->ieee80211;
2063 struct ieee80211_network *network = &ieee->current_network;
2064 int wpa_ie_len = ieee->wpa_ie_len;
2065 struct ieee80211_crypt_data *crypt;
2066 int encrypt;
2067
2068 crypt = ieee->crypt[ieee->tx_keyidx];
2069
2070
2071
2072 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2073 (ieee->host_encrypt && crypt && crypt->ops &&
2074 (strcmp(crypt->ops->name, "WEP") == 0));
2075
2076
2077 if (encrypt && (wpa_ie_len == 0)) {
2078
2079 return false;
2080 } else if ((wpa_ie_len != 0)) {
2081
2082 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
2083 return true;
2084 else
2085 return false;
2086 } else {
2087 return true;
2088 }
2089
2090 return true;
2091}
2092
2093static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2094{
2095 struct r8192_priv *priv = ieee80211_priv(dev);
2096
2097 return priv->ieee80211->bHalfWirelessN24GMode;
2098}
2099
2100static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2101{
2102 struct ieee80211_device *ieee = priv->ieee80211;
2103
2104
2105
2106 if (ieee->mode == WIRELESS_MODE_N_24G ||
2107 ieee->mode == WIRELESS_MODE_N_5G)
2108 memcpy(ieee->Regdot11HTOperationalRateSet,
2109 ieee->RegHTSuppRateSet, 16);
2110 else
2111 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2112}
2113
2114static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2115{
2116 struct r8192_priv *priv = ieee80211_priv(dev);
2117 u8 ret = 0;
2118
2119 switch (priv->rf_chip) {
2120 case RF_8225:
2121 case RF_8256:
2122 case RF_PSEUDO_11N:
2123 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2124 break;
2125 case RF_8258:
2126 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2127 break;
2128 default:
2129 ret = WIRELESS_MODE_B;
2130 break;
2131 }
2132 return ret;
2133}
2134
2135static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2136{
2137 struct r8192_priv *priv = ieee80211_priv(dev);
2138 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2139
2140 if (wireless_mode == WIRELESS_MODE_AUTO ||
2141 (wireless_mode & bSupportMode) == 0) {
2142 if (bSupportMode & WIRELESS_MODE_N_24G) {
2143 wireless_mode = WIRELESS_MODE_N_24G;
2144 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2145 wireless_mode = WIRELESS_MODE_N_5G;
2146 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2147 wireless_mode = WIRELESS_MODE_A;
2148 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2149 wireless_mode = WIRELESS_MODE_G;
2150 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2151 wireless_mode = WIRELESS_MODE_B;
2152 } else {
2153 RT_TRACE(COMP_ERR,
2154 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2155 __func__, bSupportMode);
2156 wireless_mode = WIRELESS_MODE_B;
2157 }
2158 }
2159#ifdef TO_DO_LIST
2160
2161
2162
2163 ActUpdateChannelAccessSetting(
2164 pAdapter, pHalData->CurrentWirelessMode,
2165 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2166#endif
2167 priv->ieee80211->mode = wireless_mode;
2168
2169 if (wireless_mode == WIRELESS_MODE_N_24G ||
2170 wireless_mode == WIRELESS_MODE_N_5G)
2171 priv->ieee80211->pHTInfo->bEnableHT = 1;
2172 else
2173 priv->ieee80211->pHTInfo->bEnableHT = 0;
2174 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2175 rtl8192_refresh_supportrate(priv);
2176}
2177
2178
2179static void rtl8192_init_priv_variable(struct net_device *dev)
2180{
2181 struct r8192_priv *priv = ieee80211_priv(dev);
2182 u8 i;
2183
2184 priv->card_8192 = NIC_8192U;
2185 priv->chan = 1;
2186 priv->ieee80211->mode = WIRELESS_MODE_AUTO;
2187 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2188 priv->ieee80211->ieee_up = 0;
2189 priv->retry_rts = DEFAULT_RETRY_RTS;
2190 priv->retry_data = DEFAULT_RETRY_DATA;
2191 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2192 priv->ieee80211->rate = 110;
2193 priv->ieee80211->short_slot = 1;
2194 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2195 priv->CckPwEnl = 6;
2196
2197 priv->IrpPendingCount = 1;
2198 priv->ResetProgress = RESET_TYPE_NORESET;
2199 priv->bForcedSilentReset = false;
2200 priv->bDisableNormalResetCheck = false;
2201 priv->force_reset = false;
2202
2203
2204 priv->ieee80211->FwRWRF = 0;
2205 priv->ieee80211->current_network.beacon_interval =
2206 DEFAULT_BEACONINTERVAL;
2207 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2208 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2209 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2210 IEEE_SOFTMAC_BEACONS;
2211
2212 priv->ieee80211->active_scan = 1;
2213 priv->ieee80211->modulation =
2214 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2215 priv->ieee80211->host_encrypt = 1;
2216 priv->ieee80211->host_decrypt = 1;
2217 priv->ieee80211->start_send_beacons = NULL;
2218 priv->ieee80211->stop_send_beacons = NULL;
2219 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2220 priv->ieee80211->set_chan = rtl8192_set_chan;
2221 priv->ieee80211->link_change = rtl8192_link_change;
2222 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2223 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2224 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2225 priv->ieee80211->init_wmmparam_flag = 0;
2226 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2227 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2228 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2229 priv->ieee80211->qos_support = 1;
2230
2231 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2232 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2233 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2234
2235 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2236 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2237 GetHalfNmodeSupportByAPs819xUsb;
2238 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2239
2240 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2241 priv->card_type = USB;
2242#ifdef TO_DO_LIST
2243 if (Adapter->bInHctTest) {
2244 pHalData->ShortRetryLimit = 7;
2245 pHalData->LongRetryLimit = 7;
2246 }
2247#endif
2248 priv->ShortRetryLimit = 0x30;
2249 priv->LongRetryLimit = 0x30;
2250 priv->EarlyRxThreshold = 7;
2251 priv->enable_gpio0 = 0;
2252 priv->TransmitConfig =
2253
2254 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2255
2256 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2257
2258 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2259
2260
2261
2262 (false ? TCR_SAT : 0);
2263#ifdef TO_DO_LIST
2264 if (Adapter->bInHctTest)
2265 pHalData->ReceiveConfig =
2266 pHalData->CSMethod |
2267
2268 RCR_AMF | RCR_ADF |
2269
2270
2271
2272 RCR_ACF |
2273
2274 RCR_AB | RCR_AM | RCR_APM |
2275
2276
2277
2278 RCR_AICV | RCR_ACRC32 |
2279
2280
2281
2282 ((u32)7 << RCR_MXDMA_OFFSET) |
2283
2284
2285
2286 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2287 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2288 else
2289
2290#endif
2291 priv->ReceiveConfig =
2292
2293 RCR_AMF | RCR_ADF |
2294
2295 RCR_ACF |
2296
2297 RCR_AB | RCR_AM | RCR_APM |
2298
2299 ((u32)7 << RCR_MXDMA_OFFSET) |
2300
2301 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2302 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2303
2304 priv->AcmControl = 0;
2305 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2306
2307
2308 skb_queue_head_init(&priv->rx_queue);
2309 skb_queue_head_init(&priv->skb_queue);
2310
2311
2312 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2313 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2314 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2315 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2316 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2317 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2318 priv->rf_set_chan = rtl8192_phy_SwChnl;
2319}
2320
2321
2322static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2323{
2324 spin_lock_init(&priv->tx_lock);
2325 spin_lock_init(&priv->irq_lock);
2326 mutex_init(&priv->wx_mutex);
2327 mutex_init(&priv->mutex);
2328}
2329
2330static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2331
2332static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2333
2334#define DRV_NAME "wlan0"
2335static void rtl8192_init_priv_task(struct net_device *dev)
2336{
2337 struct r8192_priv *priv = ieee80211_priv(dev);
2338
2339
2340 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2341
2342 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2343 rtl819x_watchdog_wqcallback);
2344 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2345 dm_txpower_trackingcallback);
2346 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2347 dm_rf_pathcheck_workitemcallback);
2348 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2349 rtl8192_update_beacon);
2350 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2351 InitialGainOperateWorkItemCallBack);
2352 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2353
2354 tasklet_init(&priv->irq_rx_tasklet,
2355 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2356 (unsigned long)priv);
2357}
2358
2359static void rtl8192_get_eeprom_size(struct net_device *dev)
2360{
2361 u16 curCR = 0;
2362 struct r8192_priv *priv = ieee80211_priv(dev);
2363
2364 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2365 read_nic_word_E(dev, EPROM_CMD, &curCR);
2366 RT_TRACE(COMP_EPROM,
2367 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2368
2369 priv->epromtype =
2370 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2371 RT_TRACE(COMP_EPROM,
2372 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2373}
2374
2375
2376
2377
2378static inline u16 endian_swap(u16 *data)
2379{
2380 u16 tmp = *data;
2381 *data = (tmp >> 8) | (tmp << 8);
2382 return *data;
2383}
2384
2385static int rtl8192_read_eeprom_info(struct net_device *dev)
2386{
2387 u16 wEPROM_ID = 0;
2388 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2389 u8 bLoad_From_EEPOM = false;
2390 struct r8192_priv *priv = ieee80211_priv(dev);
2391 u16 tmpValue = 0;
2392 int i;
2393 int ret;
2394
2395 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2396 ret = eprom_read(dev, 0);
2397 if (ret < 0)
2398 return ret;
2399 wEPROM_ID = (u16)ret;
2400 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2401
2402 if (wEPROM_ID != RTL8190_EEPROM_ID)
2403 RT_TRACE(COMP_ERR,
2404 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2405 wEPROM_ID, RTL8190_EEPROM_ID);
2406 else
2407 bLoad_From_EEPOM = true;
2408
2409 if (bLoad_From_EEPOM) {
2410 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2411 ret = eprom_read(dev, EEPROM_VID >> 1);
2412 if (ret < 0)
2413 return ret;
2414 tmpValue = (u16)ret;
2415 priv->eeprom_vid = endian_swap(&tmpValue);
2416 ret = eprom_read(dev, EEPROM_PID >> 1);
2417 if (ret < 0)
2418 return ret;
2419 priv->eeprom_pid = (u16)ret;
2420 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2421 if (ret < 0)
2422 return ret;
2423 tmpValue = (u16)ret;
2424 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2425 priv->btxpowerdata_readfromEEPORM = true;
2426 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2427 if (ret < 0)
2428 return ret;
2429 priv->eeprom_CustomerID = (u16)ret;
2430 } else {
2431 priv->eeprom_vid = 0;
2432 priv->eeprom_pid = 0;
2433 priv->card_8192_version = VERSION_819xU_B;
2434 priv->eeprom_ChannelPlan = 0;
2435 priv->eeprom_CustomerID = 0;
2436 }
2437 RT_TRACE(COMP_EPROM,
2438 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2439 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2440 priv->eeprom_ChannelPlan);
2441
2442 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2443 if (bLoad_From_EEPOM) {
2444 int i;
2445
2446 for (i = 0; i < 6; i += 2) {
2447 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2448 if (ret < 0)
2449 return ret;
2450 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2451 }
2452 } else {
2453 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2454
2455 }
2456 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2457 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2458 priv->rf_chip = RF_8256;
2459
2460 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2461
2462 if (bLoad_From_EEPOM) {
2463 ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2464 if (ret < 0)
2465 return ret;
2466 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2467 } else
2468 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2469 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2470
2471 if (bLoad_From_EEPOM) {
2472 ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2473 if (ret < 0)
2474 return ret;
2475 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2476 } else
2477 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2478 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2479
2480 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2481
2482 if (bLoad_From_EEPOM) {
2483 ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2484 if (ret < 0)
2485 return ret;
2486 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2487 } else
2488 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2489 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2490
2491 if (bLoad_From_EEPOM) {
2492 ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2493 if (ret < 0)
2494 return ret;
2495 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2496 } else
2497 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2498 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2499
2500 if (bLoad_From_EEPOM) {
2501 ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2502 if (ret < 0)
2503 return ret;
2504 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2505 } else
2506 priv->EEPROM_Def_Ver = 1;
2507 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2508 if (priv->EEPROM_Def_Ver == 0) {
2509 int i;
2510
2511 if (bLoad_From_EEPOM) {
2512 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2513 if (ret < 0)
2514 return ret;
2515 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2516 } else
2517 priv->EEPROMTxPowerLevelCCK = 0x10;
2518 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2519 for (i = 0; i < 3; i++) {
2520 if (bLoad_From_EEPOM) {
2521 ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2522 if (ret < 0)
2523 return ret;
2524 if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2525 tmpValue = (u16)ret & 0x00ff;
2526 else
2527 tmpValue = ((u16)ret & 0xff00) >> 8;
2528 } else {
2529 tmpValue = 0x10;
2530 }
2531 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2532 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2533 }
2534 } else if (priv->EEPROM_Def_Ver == 1) {
2535 if (bLoad_From_EEPOM) {
2536 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2537 if (ret < 0)
2538 return ret;
2539 tmpValue = ((u16)ret & 0xff00) >> 8;
2540 } else {
2541 tmpValue = 0x10;
2542 }
2543 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2544
2545 if (bLoad_From_EEPOM) {
2546 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2547 if (ret < 0)
2548 return ret;
2549 tmpValue = (u16)ret;
2550 } else
2551 tmpValue = 0x1010;
2552 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2553 if (bLoad_From_EEPOM)
2554 tmpValue = eprom_read(dev,
2555 EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2556 else
2557 tmpValue = 0x1010;
2558 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2559 if (bLoad_From_EEPOM)
2560 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2561 else
2562 tmpValue = 0x10;
2563 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2564 }
2565
2566
2567 for (i = 0; i < 14; i++) {
2568 if (i <= 3)
2569 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2570 else if (i >= 4 && i <= 9)
2571 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2572 else
2573 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2574 }
2575
2576 for (i = 0; i < 14; i++) {
2577 if (priv->EEPROM_Def_Ver == 0) {
2578 if (i <= 3)
2579 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2580 else if (i >= 4 && i <= 9)
2581 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2582 else
2583 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2584 } else if (priv->EEPROM_Def_Ver == 1) {
2585 if (i <= 3)
2586 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2587 else if (i >= 4 && i <= 9)
2588 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2589 else
2590 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2591 }
2592 }
2593 priv->TxPowerDiff = priv->EEPROMPwDiff;
2594
2595 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2596
2597 priv->AntennaTxPwDiff[1] =
2598 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2599
2600 priv->CrystalCap = priv->EEPROMCrystalCap;
2601
2602
2603
2604 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2605 }
2606
2607
2608 switch (priv->eeprom_CustomerID) {
2609 case EEPROM_CID_RUNTOP:
2610 priv->CustomerID = RT_CID_819x_RUNTOP;
2611 break;
2612
2613 case EEPROM_CID_DLINK:
2614 priv->CustomerID = RT_CID_DLINK;
2615 break;
2616
2617 default:
2618 priv->CustomerID = RT_CID_DEFAULT;
2619 break;
2620 }
2621
2622 switch (priv->CustomerID) {
2623 case RT_CID_819x_RUNTOP:
2624 priv->LedStrategy = SW_LED_MODE2;
2625 break;
2626
2627 case RT_CID_DLINK:
2628 priv->LedStrategy = SW_LED_MODE4;
2629 break;
2630
2631 default:
2632 priv->LedStrategy = SW_LED_MODE0;
2633 break;
2634 }
2635
2636
2637 if (priv->rf_type == RF_1T2R)
2638 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2639 else
2640 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2641
2642
2643
2644
2645 init_rate_adaptive(dev);
2646
2647 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2648
2649 return 0;
2650}
2651
2652static short rtl8192_get_channel_map(struct net_device *dev)
2653{
2654 struct r8192_priv *priv = ieee80211_priv(dev);
2655
2656 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2657 netdev_err(dev,
2658 "rtl8180_init: Error channel plan! Set to default.\n");
2659 priv->ChannelPlan = 0;
2660 }
2661 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2662
2663 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2664 return 0;
2665}
2666
2667static short rtl8192_init(struct net_device *dev)
2668{
2669 struct r8192_priv *priv = ieee80211_priv(dev);
2670 int err;
2671
2672 memset(&(priv->stats), 0, sizeof(struct Stats));
2673 memset(priv->txqueue_to_outpipemap, 0, 9);
2674#ifdef PIPE12
2675 {
2676 int i = 0;
2677 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2678
2679 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2680 }
2681#else
2682 {
2683 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2684
2685 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2686 }
2687#endif
2688 rtl8192_init_priv_variable(dev);
2689 rtl8192_init_priv_lock(priv);
2690 rtl8192_init_priv_task(dev);
2691 rtl8192_get_eeprom_size(dev);
2692 err = rtl8192_read_eeprom_info(dev);
2693 if (err) {
2694 DMESG("Reading EEPROM info failed");
2695 kfree(priv->pFirmware);
2696 priv->pFirmware = NULL;
2697 free_ieee80211(dev);
2698 return err;
2699 }
2700 rtl8192_get_channel_map(dev);
2701 init_hal_dm(dev);
2702 setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2703 (unsigned long)dev);
2704 if (rtl8192_usb_initendpoints(dev) != 0) {
2705 DMESG("Endopoints initialization failed");
2706 return -ENOMEM;
2707 }
2708
2709 return 0;
2710}
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720static void rtl8192_hwconfig(struct net_device *dev)
2721{
2722 u32 regRATR = 0, regRRSR = 0;
2723 u8 regBwOpMode = 0, regTmp = 0;
2724 struct r8192_priv *priv = ieee80211_priv(dev);
2725 u32 ratr_value = 0;
2726
2727
2728 switch (priv->ieee80211->mode) {
2729 case WIRELESS_MODE_B:
2730 regBwOpMode = BW_OPMODE_20MHZ;
2731 regRATR = RATE_ALL_CCK;
2732 regRRSR = RATE_ALL_CCK;
2733 break;
2734 case WIRELESS_MODE_A:
2735 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2736 regRATR = RATE_ALL_OFDM_AG;
2737 regRRSR = RATE_ALL_OFDM_AG;
2738 break;
2739 case WIRELESS_MODE_G:
2740 regBwOpMode = BW_OPMODE_20MHZ;
2741 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2742 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2743 break;
2744 case WIRELESS_MODE_AUTO:
2745#ifdef TO_DO_LIST
2746 if (Adapter->bInHctTest) {
2747 regBwOpMode = BW_OPMODE_20MHZ;
2748 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2749 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750 } else
2751#endif
2752 {
2753 regBwOpMode = BW_OPMODE_20MHZ;
2754 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2755 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2756 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2757 }
2758 break;
2759 case WIRELESS_MODE_N_24G:
2760
2761
2762
2763 regBwOpMode = BW_OPMODE_20MHZ;
2764 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2765 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2766 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2767 break;
2768 case WIRELESS_MODE_N_5G:
2769 regBwOpMode = BW_OPMODE_5G;
2770 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2771 RATE_ALL_OFDM_2SS;
2772 regRRSR = RATE_ALL_OFDM_AG;
2773 break;
2774 }
2775
2776 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2777 ratr_value = regRATR;
2778 if (priv->rf_type == RF_1T2R)
2779 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2780 write_nic_dword(dev, RATR0, ratr_value);
2781 write_nic_byte(dev, UFWP, 1);
2782 read_nic_byte(dev, 0x313, ®Tmp);
2783 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2784 write_nic_dword(dev, RRSR, regRRSR);
2785
2786
2787 write_nic_word(dev, RETRY_LIMIT,
2788 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2789 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2790
2791
2792
2793
2794
2795
2796
2797}
2798
2799
2800
2801static bool rtl8192_adapter_start(struct net_device *dev)
2802{
2803 struct r8192_priv *priv = ieee80211_priv(dev);
2804 u32 dwRegRead = 0;
2805 bool init_status = true;
2806 u8 SECR_value = 0x0;
2807 u8 tmp;
2808
2809 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2810 priv->Rf_Mode = RF_OP_By_SW_3wire;
2811
2812 write_nic_byte_E(dev, 0x5f, 0x80);
2813 mdelay(50);
2814 write_nic_byte_E(dev, 0x5f, 0xf0);
2815 write_nic_byte_E(dev, 0x5d, 0x00);
2816 write_nic_byte_E(dev, 0x5e, 0x80);
2817 write_nic_byte(dev, 0x17, 0x37);
2818 mdelay(10);
2819 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2820
2821
2822 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2823 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2824 dwRegRead |= CPU_GEN_SYSTEM_RESET;
2825 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2826 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2827 else
2828 RT_TRACE(COMP_ERR,
2829 "ERROR in %s(): undefined firmware state(%d)\n",
2830 __func__, priv->pFirmware->firmware_status);
2831
2832 write_nic_dword(dev, CPU_GEN, dwRegRead);
2833
2834 rtl8192_BBConfig(dev);
2835
2836
2837 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2838
2839 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2840 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2841 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2842 CPU_GEN_NO_LOOPBACK_SET;
2843 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2844 dwRegRead |= CPU_CCK_LOOPBACK;
2845 else
2846 RT_TRACE(COMP_ERR,
2847 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2848 __func__, priv->LoopbackMode);
2849
2850 write_nic_dword(dev, CPU_GEN, dwRegRead);
2851
2852
2853 udelay(500);
2854
2855
2856 read_nic_byte_E(dev, 0x5f, &tmp);
2857 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2858
2859
2860 rtl8192_hwconfig(dev);
2861
2862
2863 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2864
2865
2866 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2867 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2868
2869
2870 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2871
2872
2873 write_nic_dword(dev, RQPN1,
2874 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2875 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2876 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2877 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2878 write_nic_dword(dev, RQPN2,
2879 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2880 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2881 write_nic_dword(dev, RQPN3,
2882 APPLIED_RESERVED_QUEUE_IN_FW |
2883 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2884 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2885
2886
2887
2888 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2889
2890 if (priv->ResetProgress == RESET_TYPE_NORESET)
2891 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2892 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2893 CamResetAllEntry(dev);
2894 SECR_value |= SCR_TxEncEnable;
2895 SECR_value |= SCR_RxDecEnable;
2896 SECR_value |= SCR_NoSKMC;
2897 write_nic_byte(dev, SECR, SECR_value);
2898 }
2899
2900
2901 write_nic_word(dev, ATIMWND, 2);
2902 write_nic_word(dev, BCN_INTERVAL, 100);
2903
2904#define DEFAULT_EDCA 0x005e4332
2905 {
2906 int i;
2907
2908 for (i = 0; i < QOS_QUEUE_NUM; i++)
2909 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2910 }
2911
2912 rtl8192_phy_configmac(dev);
2913
2914 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2915 rtl8192_phy_getTxPower(dev);
2916 rtl8192_phy_setTxPower(dev, priv->chan);
2917 }
2918
2919
2920 init_status = init_firmware(dev);
2921 if (!init_status) {
2922 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2923 __func__);
2924 return init_status;
2925 }
2926 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2927
2928#ifdef TO_DO_LIST
2929 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2930 if (pMgntInfo->RegRfOff) {
2931 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2932 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2933 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2934
2935
2936
2937 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2938 PHY_SetRFReg(Adapter,
2939 (RF90_RADIO_PATH_E)eRFPath,
2940 0x4, 0xC00, 0x0);
2941 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2942
2943 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2944 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2945 pMgntInfo->RfOffReason));
2946 MgntActSet_RF_State(Adapter,
2947 eRfOff,
2948 pMgntInfo->RfOffReason);
2949 } else {
2950 pHalData->eRFPowerState = eRfOn;
2951 pMgntInfo->RfOffReason = 0;
2952 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2953 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2954 }
2955 } else {
2956 if (pHalData->eRFPowerState == eRfOff) {
2957 MgntActSet_RF_State(Adapter,
2958 eRfOff,
2959 pMgntInfo->RfOffReason);
2960
2961
2962
2963 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2964 PHY_SetRFReg(Adapter,
2965 (RF90_RADIO_PATH_E)eRFPath,
2966 0x4, 0xC00, 0x0);
2967 }
2968 }
2969#endif
2970
2971 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2972 rtl8192_phy_RFConfig(dev);
2973 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2974 }
2975
2976
2977 if (priv->ieee80211->FwRWRF)
2978
2979 priv->Rf_Mode = RF_OP_By_FW;
2980 else
2981 priv->Rf_Mode = RF_OP_By_SW_3wire;
2982
2983
2984 rtl8192_phy_updateInitGain(dev);
2985
2986 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2987 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2988
2989 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2990
2991 u8 tmpvalue;
2992
2993 read_nic_byte(dev, 0x301, &tmpvalue);
2994 if (tmpvalue == 0x03) {
2995 priv->bDcut = true;
2996 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2997 } else {
2998 priv->bDcut = false;
2999 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3000 }
3001 dm_initialize_txpower_tracking(dev);
3002
3003 if (priv->bDcut) {
3004 u32 i, TempCCk;
3005 u32 tmpRegA = rtl8192_QueryBBReg(dev,
3006 rOFDM0_XATxIQImbalance,
3007 bMaskDWord);
3008
3009 for (i = 0; i < TxBBGainTableLength; i++) {
3010 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3011 priv->rfa_txpowertrackingindex = (u8)i;
3012 priv->rfa_txpowertrackingindex_real =
3013 (u8)i;
3014 priv->rfa_txpowertracking_default =
3015 priv->rfa_txpowertrackingindex;
3016 break;
3017 }
3018 }
3019
3020 TempCCk = rtl8192_QueryBBReg(dev,
3021 rCCK0_TxFilter1,
3022 bMaskByte2);
3023
3024 for (i = 0; i < CCKTxBBGainTableLength; i++) {
3025 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3026 priv->cck_present_attenuation_20Mdefault = (u8)i;
3027 break;
3028 }
3029 }
3030 priv->cck_present_attenuation_40Mdefault = 0;
3031 priv->cck_present_attenuation_difference = 0;
3032 priv->cck_present_attenuation =
3033 priv->cck_present_attenuation_20Mdefault;
3034 }
3035 }
3036 write_nic_byte(dev, 0x87, 0x0);
3037
3038
3039 return init_status;
3040}
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3051{
3052 struct r8192_priv *priv = ieee80211_priv(dev);
3053
3054 return &priv->ieee80211->stats;
3055}
3056
3057static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3058{
3059 struct r8192_priv *priv = ieee80211_priv(dev);
3060 u16 RegTxCounter;
3061 bool bStuck = false;
3062
3063 read_nic_word(dev, 0x128, &RegTxCounter);
3064 RT_TRACE(COMP_RESET,
3065 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3066 RegTxCounter, priv->TxCounter);
3067 if (priv->TxCounter == RegTxCounter)
3068 bStuck = true;
3069
3070 priv->TxCounter = RegTxCounter;
3071
3072 return bStuck;
3073}
3074
3075
3076
3077
3078
3079static RESET_TYPE TxCheckStuck(struct net_device *dev)
3080{
3081 struct r8192_priv *priv = ieee80211_priv(dev);
3082 u8 QueueID;
3083 bool bCheckFwTxCnt = false;
3084
3085
3086
3087 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3088 if (QueueID == TXCMD_QUEUE)
3089 continue;
3090 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3091 continue;
3092
3093 bCheckFwTxCnt = true;
3094 }
3095 if (bCheckFwTxCnt) {
3096 if (HalTxCheckStuck819xUsb(dev)) {
3097 RT_TRACE(COMP_RESET,
3098 "TxCheckStuck(): Fw indicates no Tx condition!\n");
3099 return RESET_TYPE_SILENT;
3100 }
3101 }
3102 return RESET_TYPE_NORESET;
3103}
3104
3105static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3106{
3107 u16 RegRxCounter;
3108 struct r8192_priv *priv = ieee80211_priv(dev);
3109 bool bStuck = false;
3110 static u8 rx_chk_cnt;
3111
3112 read_nic_word(dev, 0x130, &RegRxCounter);
3113 RT_TRACE(COMP_RESET,
3114 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3115 RegRxCounter, priv->RxCounter);
3116
3117
3118
3119 rx_chk_cnt++;
3120 if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3121 rx_chk_cnt = 0;
3122 } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3123 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3124 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3125 if (rx_chk_cnt < 2)
3126 return bStuck;
3127
3128 rx_chk_cnt = 0;
3129 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3130 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3131 priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3132 if (rx_chk_cnt < 4)
3133 return bStuck;
3134
3135 rx_chk_cnt = 0;
3136 } else {
3137 if (rx_chk_cnt < 8)
3138 return bStuck;
3139
3140 rx_chk_cnt = 0;
3141 }
3142
3143 if (priv->RxCounter == RegRxCounter)
3144 bStuck = true;
3145
3146 priv->RxCounter = RegRxCounter;
3147
3148 return bStuck;
3149}
3150
3151static RESET_TYPE RxCheckStuck(struct net_device *dev)
3152{
3153 struct r8192_priv *priv = ieee80211_priv(dev);
3154 bool bRxCheck = false;
3155
3156 if (priv->IrpPendingCount > 1)
3157 bRxCheck = true;
3158
3159 if (bRxCheck) {
3160 if (HalRxCheckStuck819xUsb(dev)) {
3161 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3162 return RESET_TYPE_SILENT;
3163 }
3164 }
3165 return RESET_TYPE_NORESET;
3166}
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3183{
3184 struct r8192_priv *priv = ieee80211_priv(dev);
3185 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3186 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3187 RT_RF_POWER_STATE rfState;
3188
3189 rfState = priv->ieee80211->eRFPowerState;
3190
3191 TxResetType = TxCheckStuck(dev);
3192 if (rfState != eRfOff ||
3193 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206 RxResetType = RxCheckStuck(dev);
3207 }
3208 if (TxResetType == RESET_TYPE_NORMAL ||
3209 RxResetType == RESET_TYPE_NORMAL) {
3210 return RESET_TYPE_NORMAL;
3211 } else if (TxResetType == RESET_TYPE_SILENT ||
3212 RxResetType == RESET_TYPE_SILENT) {
3213 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3214 return RESET_TYPE_SILENT;
3215 } else {
3216 return RESET_TYPE_NORESET;
3217 }
3218}
3219
3220static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3221static int _rtl8192_up(struct net_device *dev);
3222static int rtl8192_close(struct net_device *dev);
3223
3224
3225
3226static void CamRestoreAllEntry(struct net_device *dev)
3227{
3228 u8 EntryId = 0;
3229 struct r8192_priv *priv = ieee80211_priv(dev);
3230 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3231
3232 static u8 CAM_CONST_ADDR[4][6] = {
3233 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3234 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3235 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3236 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3237 static u8 CAM_CONST_BROAD[] = {
3238 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3239
3240 RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3241
3242
3243 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3244 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3245 for (EntryId = 0; EntryId < 4; EntryId++) {
3246 MacAddr = CAM_CONST_ADDR[EntryId];
3247 setKey(dev, EntryId, EntryId,
3248 priv->ieee80211->pairwise_key_type,
3249 MacAddr, 0, NULL);
3250 }
3251
3252 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3253 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3254 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3255 (u8 *)dev->dev_addr, 0, NULL);
3256 else
3257 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3258 MacAddr, 0, NULL);
3259 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3260 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3261 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3262 (u8 *)dev->dev_addr, 0, NULL);
3263 else
3264 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3265 MacAddr, 0, NULL);
3266 }
3267
3268
3269
3270 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3271 MacAddr = CAM_CONST_BROAD;
3272 for (EntryId = 1; EntryId < 4; EntryId++) {
3273 setKey(dev, EntryId, EntryId,
3274 priv->ieee80211->group_key_type,
3275 MacAddr, 0, NULL);
3276 }
3277 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3278 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3279 CAM_CONST_ADDR[0], 0, NULL);
3280 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3281 MacAddr = CAM_CONST_BROAD;
3282 for (EntryId = 1; EntryId < 4; EntryId++) {
3283 setKey(dev, EntryId, EntryId,
3284 priv->ieee80211->group_key_type,
3285 MacAddr, 0, NULL);
3286 }
3287
3288 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3289 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3290 CAM_CONST_ADDR[0], 0, NULL);
3291 }
3292}
3293
3294
3295
3296
3297
3298
3299static void rtl819x_ifsilentreset(struct net_device *dev)
3300{
3301 struct r8192_priv *priv = ieee80211_priv(dev);
3302 u8 reset_times = 0;
3303 int reset_status = 0;
3304 struct ieee80211_device *ieee = priv->ieee80211;
3305
3306
3307
3308
3309
3310 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3311RESET_START:
3312
3313 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3314
3315
3316 priv->ResetProgress = RESET_TYPE_SILENT;
3317 mutex_lock(&priv->wx_mutex);
3318 if (priv->up == 0) {
3319 RT_TRACE(COMP_ERR,
3320 "%s():the driver is not up! return\n",
3321 __func__);
3322 mutex_unlock(&priv->wx_mutex);
3323 return;
3324 }
3325 priv->up = 0;
3326 RT_TRACE(COMP_RESET,
3327 "%s():======>start to down the driver\n",
3328 __func__);
3329
3330 rtl8192_rtx_disable(dev);
3331 rtl8192_cancel_deferred_work(priv);
3332 deinit_hal_dm(dev);
3333 del_timer_sync(&priv->watch_dog_timer);
3334
3335 ieee->sync_scan_hurryup = 1;
3336 if (ieee->state == IEEE80211_LINKED) {
3337 mutex_lock(&ieee->wx_mutex);
3338 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3339 ieee80211_stop_send_beacons(priv->ieee80211);
3340 del_timer_sync(&ieee->associate_timer);
3341 cancel_delayed_work(&ieee->associate_retry_wq);
3342 ieee80211_stop_scan(ieee);
3343 netif_carrier_off(dev);
3344 mutex_unlock(&ieee->wx_mutex);
3345 } else {
3346 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3347 ieee80211_softmac_stop_protocol(priv->ieee80211);
3348 }
3349 mutex_unlock(&priv->wx_mutex);
3350 RT_TRACE(COMP_RESET,
3351 "%s():<==========down process is finished\n",
3352 __func__);
3353 RT_TRACE(COMP_RESET,
3354 "%s():===========>start up the driver\n",
3355 __func__);
3356 reset_status = _rtl8192_up(dev);
3357
3358 RT_TRACE(COMP_RESET,
3359 "%s():<===========up process is finished\n",
3360 __func__);
3361 if (reset_status == -EAGAIN) {
3362 if (reset_times < 3) {
3363 reset_times++;
3364 goto RESET_START;
3365 } else {
3366 RT_TRACE(COMP_ERR,
3367 " ERR!!! %s(): Reset Failed!!\n",
3368 __func__);
3369 }
3370 }
3371 ieee->is_silent_reset = 1;
3372 EnableHWSecurityConfig8192(dev);
3373 if (ieee->state == IEEE80211_LINKED &&
3374 ieee->iw_mode == IW_MODE_INFRA) {
3375 ieee->set_chan(ieee->dev,
3376 ieee->current_network.channel);
3377
3378 queue_work(ieee->wq, &ieee->associate_complete_wq);
3379
3380 } else if (ieee->state == IEEE80211_LINKED &&
3381 ieee->iw_mode == IW_MODE_ADHOC) {
3382 ieee->set_chan(ieee->dev,
3383 ieee->current_network.channel);
3384 ieee->link_change(ieee->dev);
3385
3386 ieee80211_start_send_beacons(ieee);
3387
3388 if (ieee->data_hard_resume)
3389 ieee->data_hard_resume(ieee->dev);
3390 netif_carrier_on(ieee->dev);
3391 }
3392
3393 CamRestoreAllEntry(dev);
3394
3395 priv->ResetProgress = RESET_TYPE_NORESET;
3396 priv->reset_count++;
3397
3398 priv->bForcedSilentReset = false;
3399 priv->bResetInProgress = false;
3400
3401
3402 write_nic_byte(dev, UFWP, 1);
3403 RT_TRACE(COMP_RESET,
3404 "Reset finished!! ====>[%d]\n",
3405 priv->reset_count);
3406 }
3407}
3408
3409static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3410 u32 *TotalRxDataNum)
3411{
3412 u16 SlotIndex;
3413 u8 i;
3414
3415 *TotalRxBcnNum = 0;
3416 *TotalRxDataNum = 0;
3417
3418 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3419 (priv->ieee80211->LinkDetectInfo.SlotNum);
3420 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3421 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3422 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3423 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3424 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3425 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3426 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3427 }
3428}
3429
3430
3431static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3432{
3433 struct delayed_work *dwork = to_delayed_work(work);
3434 struct r8192_priv *priv = container_of(dwork,
3435 struct r8192_priv, watch_dog_wq);
3436 struct net_device *dev = priv->ieee80211->dev;
3437 struct ieee80211_device *ieee = priv->ieee80211;
3438 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3439 static u8 check_reset_cnt;
3440 bool bBusyTraffic = false;
3441 u32 TotalRxBcnNum = 0;
3442 u32 TotalRxDataNum = 0;
3443
3444 if (!priv->up)
3445 return;
3446 hal_dm_watchdog(dev);
3447
3448
3449 if (ieee->state == IEEE80211_LINKED) {
3450 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3451 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3452 bBusyTraffic = true;
3453 }
3454 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3455 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3456 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3457 }
3458
3459 if (priv->ieee80211->state == IEEE80211_LINKED &&
3460 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3461 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3462 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3463#ifdef TODO
3464 if (rfState == eRfOff)
3465 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3466#endif
3467 netdev_dbg(dev,
3468 "===>%s(): AP is power off, connect another one\n",
3469 __func__);
3470 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3471 notify_wx_assoc_event(priv->ieee80211);
3472 RemovePeerTS(priv->ieee80211,
3473 priv->ieee80211->current_network.bssid);
3474 priv->ieee80211->link_change(dev);
3475 queue_work(priv->ieee80211->wq,
3476 &priv->ieee80211->associate_procedure_wq);
3477 }
3478 }
3479 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3480 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3481
3482 if (check_reset_cnt++ >= 3) {
3483 ResetType = rtl819x_ifcheck_resetornot(dev);
3484 check_reset_cnt = 3;
3485 }
3486
3487 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3488 (priv->bForcedSilentReset ||
3489 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3490 RT_TRACE(COMP_RESET,
3491 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3492 __func__, priv->force_reset, priv->ResetProgress,
3493 priv->bForcedSilentReset,
3494 priv->bDisableNormalResetCheck, ResetType);
3495 rtl819x_ifsilentreset(dev);
3496 }
3497 priv->force_reset = false;
3498 priv->bForcedSilentReset = false;
3499 priv->bResetInProgress = false;
3500 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3501}
3502
3503static void watch_dog_timer_callback(unsigned long data)
3504{
3505 struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3506
3507 schedule_delayed_work(&priv->watch_dog_wq, 0);
3508 mod_timer(&priv->watch_dog_timer,
3509 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3510}
3511
3512static int _rtl8192_up(struct net_device *dev)
3513{
3514 struct r8192_priv *priv = ieee80211_priv(dev);
3515 int init_status = 0;
3516
3517 priv->up = 1;
3518 priv->ieee80211->ieee_up = 1;
3519 RT_TRACE(COMP_INIT, "Bringing up iface");
3520 init_status = rtl8192_adapter_start(dev);
3521 if (!init_status) {
3522 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3523 __func__);
3524 priv->up = priv->ieee80211->ieee_up = 0;
3525 return -EAGAIN;
3526 }
3527 RT_TRACE(COMP_INIT, "start adapter finished\n");
3528 rtl8192_rx_enable(dev);
3529 if (priv->ieee80211->state != IEEE80211_LINKED)
3530 ieee80211_softmac_start_protocol(priv->ieee80211);
3531 ieee80211_reset_queue(priv->ieee80211);
3532 watch_dog_timer_callback((unsigned long)dev);
3533 if (!netif_queue_stopped(dev))
3534 netif_start_queue(dev);
3535 else
3536 netif_wake_queue(dev);
3537
3538 return 0;
3539}
3540
3541
3542static int rtl8192_open(struct net_device *dev)
3543{
3544 struct r8192_priv *priv = ieee80211_priv(dev);
3545 int ret;
3546
3547 mutex_lock(&priv->wx_mutex);
3548 ret = rtl8192_up(dev);
3549 mutex_unlock(&priv->wx_mutex);
3550 return ret;
3551}
3552
3553
3554int rtl8192_up(struct net_device *dev)
3555{
3556 struct r8192_priv *priv = ieee80211_priv(dev);
3557
3558 if (priv->up == 1)
3559 return -1;
3560
3561 return _rtl8192_up(dev);
3562}
3563
3564
3565static int rtl8192_close(struct net_device *dev)
3566{
3567 struct r8192_priv *priv = ieee80211_priv(dev);
3568 int ret;
3569
3570 mutex_lock(&priv->wx_mutex);
3571
3572 ret = rtl8192_down(dev);
3573
3574 mutex_unlock(&priv->wx_mutex);
3575
3576 return ret;
3577}
3578
3579int rtl8192_down(struct net_device *dev)
3580{
3581 struct r8192_priv *priv = ieee80211_priv(dev);
3582 int i;
3583
3584 if (priv->up == 0)
3585 return -1;
3586
3587 priv->up = 0;
3588 priv->ieee80211->ieee_up = 0;
3589 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3590
3591 if (!netif_queue_stopped(dev))
3592 netif_stop_queue(dev);
3593
3594 rtl8192_rtx_disable(dev);
3595
3596
3597 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3598 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3599 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3600 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3601
3602 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3603 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3604
3605
3606
3607
3608 rtl8192_cancel_deferred_work(priv);
3609 deinit_hal_dm(dev);
3610 del_timer_sync(&priv->watch_dog_timer);
3611
3612
3613 ieee80211_softmac_stop_protocol(priv->ieee80211);
3614 memset(&priv->ieee80211->current_network, 0,
3615 offsetof(struct ieee80211_network, list));
3616 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3617
3618 return 0;
3619}
3620
3621
3622void rtl8192_commit(struct net_device *dev)
3623{
3624 struct r8192_priv *priv = ieee80211_priv(dev);
3625 int reset_status = 0;
3626
3627 if (priv->up == 0)
3628 return;
3629 priv->up = 0;
3630
3631 rtl8192_cancel_deferred_work(priv);
3632 del_timer_sync(&priv->watch_dog_timer);
3633
3634 ieee80211_softmac_stop_protocol(priv->ieee80211);
3635
3636 rtl8192_rtx_disable(dev);
3637 reset_status = _rtl8192_up(dev);
3638}
3639
3640static void rtl8192_restart(struct work_struct *work)
3641{
3642 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3643 reset_wq);
3644 struct net_device *dev = priv->ieee80211->dev;
3645
3646 mutex_lock(&priv->wx_mutex);
3647
3648 rtl8192_commit(dev);
3649
3650 mutex_unlock(&priv->wx_mutex);
3651}
3652
3653static void r8192_set_multicast(struct net_device *dev)
3654{
3655 struct r8192_priv *priv = ieee80211_priv(dev);
3656 short promisc;
3657
3658
3659
3660 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3661
3662 if (promisc != priv->promisc)
3663
3664 priv->promisc = promisc;
3665}
3666
3667
3668static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3669{
3670 struct r8192_priv *priv = ieee80211_priv(dev);
3671 struct sockaddr *addr = mac;
3672
3673 mutex_lock(&priv->wx_mutex);
3674
3675 ether_addr_copy(dev->dev_addr, addr->sa_data);
3676
3677 schedule_work(&priv->reset_wq);
3678 mutex_unlock(&priv->wx_mutex);
3679
3680 return 0;
3681}
3682
3683
3684static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3685{
3686 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3687 struct iwreq *wrq = (struct iwreq *)rq;
3688 int ret = -1;
3689 struct ieee80211_device *ieee = priv->ieee80211;
3690 u32 key[4];
3691 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3692 struct iw_point *p = &wrq->u.data;
3693 struct ieee_param *ipw = NULL;
3694
3695 mutex_lock(&priv->wx_mutex);
3696
3697
3698 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3699 ret = -EINVAL;
3700 goto out;
3701 }
3702
3703 ipw = memdup_user(p->pointer, p->length);
3704 if (IS_ERR(ipw)) {
3705 ret = PTR_ERR(ipw);
3706 goto out;
3707 }
3708
3709 switch (cmd) {
3710 case RTL_IOCTL_WPA_SUPPLICANT:
3711
3712 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3713 if (ipw->u.crypt.set_tx) {
3714 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3715 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3716 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3717 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3718 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3719 if (ipw->u.crypt.key_len == 13)
3720 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3721 else if (ipw->u.crypt.key_len == 5)
3722 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3723 } else {
3724 ieee->pairwise_key_type = KEY_TYPE_NA;
3725 }
3726
3727 if (ieee->pairwise_key_type) {
3728 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3729 EnableHWSecurityConfig8192(dev);
3730
3731
3732
3733
3734
3735
3736 setKey(dev, 4, ipw->u.crypt.idx,
3737 ieee->pairwise_key_type,
3738 (u8 *)ieee->ap_mac_addr,
3739 0, key);
3740 if (ieee->auth_mode != 2)
3741 setKey(dev, ipw->u.crypt.idx,
3742 ipw->u.crypt.idx,
3743 ieee->pairwise_key_type,
3744 (u8 *)ieee->ap_mac_addr,
3745 0, key);
3746 }
3747 } else {
3748 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3749 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3750 ieee->group_key_type = KEY_TYPE_CCMP;
3751 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3752 ieee->group_key_type = KEY_TYPE_TKIP;
3753 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3754 if (ipw->u.crypt.key_len == 13)
3755 ieee->group_key_type = KEY_TYPE_WEP104;
3756 else if (ipw->u.crypt.key_len == 5)
3757 ieee->group_key_type = KEY_TYPE_WEP40;
3758 } else {
3759 ieee->group_key_type = KEY_TYPE_NA;
3760 }
3761
3762 if (ieee->group_key_type) {
3763 setKey(dev, ipw->u.crypt.idx,
3764
3765 ipw->u.crypt.idx,
3766
3767 ieee->group_key_type,
3768
3769 broadcast_addr,
3770
3771 0,
3772
3773 key);
3774 }
3775 }
3776 }
3777 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3778 &wrq->u.data);
3779 break;
3780
3781 default:
3782 ret = -EOPNOTSUPP;
3783 break;
3784 }
3785 kfree(ipw);
3786 ipw = NULL;
3787out:
3788 mutex_unlock(&priv->wx_mutex);
3789 return ret;
3790}
3791
3792static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3793{
3794 u8 ret_rate = 0xff;
3795
3796 if (!bIsHT) {
3797 switch (rate) {
3798 case DESC90_RATE1M:
3799 ret_rate = MGN_1M;
3800 break;
3801 case DESC90_RATE2M:
3802 ret_rate = MGN_2M;
3803 break;
3804 case DESC90_RATE5_5M:
3805 ret_rate = MGN_5_5M;
3806 break;
3807 case DESC90_RATE11M:
3808 ret_rate = MGN_11M;
3809 break;
3810 case DESC90_RATE6M:
3811 ret_rate = MGN_6M;
3812 break;
3813 case DESC90_RATE9M:
3814 ret_rate = MGN_9M;
3815 break;
3816 case DESC90_RATE12M:
3817 ret_rate = MGN_12M;
3818 break;
3819 case DESC90_RATE18M:
3820 ret_rate = MGN_18M;
3821 break;
3822 case DESC90_RATE24M:
3823 ret_rate = MGN_24M;
3824 break;
3825 case DESC90_RATE36M:
3826 ret_rate = MGN_36M;
3827 break;
3828 case DESC90_RATE48M:
3829 ret_rate = MGN_48M;
3830 break;
3831 case DESC90_RATE54M:
3832 ret_rate = MGN_54M;
3833 break;
3834
3835 default:
3836 ret_rate = 0xff;
3837 RT_TRACE(COMP_RECV,
3838 "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3839 rate, bIsHT);
3840 break;
3841 }
3842
3843 } else {
3844 switch (rate) {
3845 case DESC90_RATEMCS0:
3846 ret_rate = MGN_MCS0;
3847 break;
3848 case DESC90_RATEMCS1:
3849 ret_rate = MGN_MCS1;
3850 break;
3851 case DESC90_RATEMCS2:
3852 ret_rate = MGN_MCS2;
3853 break;
3854 case DESC90_RATEMCS3:
3855 ret_rate = MGN_MCS3;
3856 break;
3857 case DESC90_RATEMCS4:
3858 ret_rate = MGN_MCS4;
3859 break;
3860 case DESC90_RATEMCS5:
3861 ret_rate = MGN_MCS5;
3862 break;
3863 case DESC90_RATEMCS6:
3864 ret_rate = MGN_MCS6;
3865 break;
3866 case DESC90_RATEMCS7:
3867 ret_rate = MGN_MCS7;
3868 break;
3869 case DESC90_RATEMCS8:
3870 ret_rate = MGN_MCS8;
3871 break;
3872 case DESC90_RATEMCS9:
3873 ret_rate = MGN_MCS9;
3874 break;
3875 case DESC90_RATEMCS10:
3876 ret_rate = MGN_MCS10;
3877 break;
3878 case DESC90_RATEMCS11:
3879 ret_rate = MGN_MCS11;
3880 break;
3881 case DESC90_RATEMCS12:
3882 ret_rate = MGN_MCS12;
3883 break;
3884 case DESC90_RATEMCS13:
3885 ret_rate = MGN_MCS13;
3886 break;
3887 case DESC90_RATEMCS14:
3888 ret_rate = MGN_MCS14;
3889 break;
3890 case DESC90_RATEMCS15:
3891 ret_rate = MGN_MCS15;
3892 break;
3893 case DESC90_RATEMCS32:
3894 ret_rate = 0x80 | 0x20;
3895 break;
3896
3897 default:
3898 ret_rate = 0xff;
3899 RT_TRACE(COMP_RECV,
3900 "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3901 rate, bIsHT);
3902 break;
3903 }
3904 }
3905
3906 return ret_rate;
3907}
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3925 struct ieee80211_rx_stats *stats)
3926{
3927 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3928
3929 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3930 stats->mac_time[0] = priv->LastRxDescTSFLow;
3931 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3932 } else {
3933 priv->LastRxDescTSFLow = stats->mac_time[0];
3934 priv->LastRxDescTSFHigh = stats->mac_time[1];
3935 }
3936}
3937
3938
3939static long rtl819x_translate_todbm(u8 signal_strength_index)
3940{
3941 long signal_power;
3942
3943
3944 signal_power = (long)((signal_strength_index + 1) >> 1);
3945 signal_power -= 95;
3946
3947 return signal_power;
3948}
3949
3950
3951
3952
3953
3954
3955
3956static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3957 struct ieee80211_rx_stats *pprevious_stats,
3958 struct ieee80211_rx_stats *pcurrent_stats)
3959{
3960 bool bcheck = false;
3961 u8 rfpath;
3962 u32 nspatial_stream, tmp_val;
3963 static u32 slide_rssi_index, slide_rssi_statistics;
3964 static u32 slide_evm_index, slide_evm_statistics;
3965 static u32 last_rssi, last_evm;
3966
3967 static u32 slide_beacon_adc_pwdb_index;
3968 static u32 slide_beacon_adc_pwdb_statistics;
3969 static u32 last_beacon_adc_pwdb;
3970
3971 struct rtl_80211_hdr_3addr *hdr;
3972 u16 sc;
3973 unsigned int frag, seq;
3974
3975 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3976 sc = le16_to_cpu(hdr->seq_ctl);
3977 frag = WLAN_GET_SEQ_FRAG(sc);
3978 seq = WLAN_GET_SEQ_SEQ(sc);
3979
3980 pcurrent_stats->Seq_Num = seq;
3981
3982
3983 if (!pprevious_stats->bIsAMPDU) {
3984
3985 bcheck = true;
3986 }
3987
3988 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3989 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3990 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3991 priv->stats.slide_rssi_total -= last_rssi;
3992 }
3993 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3994
3995 priv->stats.slide_signal_strength[slide_rssi_index++] =
3996 pprevious_stats->SignalStrength;
3997 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3998 slide_rssi_index = 0;
3999
4000
4001 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4002 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4003 pcurrent_stats->rssi = priv->stats.signal_strength;
4004
4005
4006 if (!pprevious_stats->bPacketMatchBSSID) {
4007 if (!pprevious_stats->bToSelfBA)
4008 return;
4009 }
4010
4011 if (!bcheck)
4012 return;
4013
4014
4015
4016
4017
4018
4019
4020 priv->stats.num_process_phyinfo++;
4021
4022
4023
4024
4025
4026
4027
4028 if (!pprevious_stats->bIsCCK &&
4029 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4030 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4031 if (!rtl8192_phy_CheckIsLegalRFPath(
4032 priv->ieee80211->dev, rfpath))
4033 continue;
4034
4035 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4036 priv->stats.rx_rssi_percentage[rfpath] =
4037 pprevious_stats->RxMIMOSignalStrength[rfpath];
4038 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4039 priv->stats.rx_rssi_percentage[rfpath] =
4040 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4041 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4042 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4043 } else {
4044 priv->stats.rx_rssi_percentage[rfpath] =
4045 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4046 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4047 }
4048 RT_TRACE(COMP_DBG,
4049 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
4050 priv->stats.rx_rssi_percentage[rfpath]);
4051 }
4052 }
4053
4054
4055
4056 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4057 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4058 pprevious_stats->RxPWDBAll);
4059
4060 if (pprevious_stats->bPacketBeacon) {
4061
4062 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4063 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4064 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4065 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4066 }
4067 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4068 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4069 slide_beacon_adc_pwdb_index++;
4070 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4071 slide_beacon_adc_pwdb_index = 0;
4072 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4073 if (pprevious_stats->RxPWDBAll >= 3)
4074 pprevious_stats->RxPWDBAll -= 3;
4075 }
4076
4077 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4078 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4079 pprevious_stats->RxPWDBAll);
4080
4081
4082 if (pprevious_stats->bPacketToSelf ||
4083 pprevious_stats->bPacketBeacon ||
4084 pprevious_stats->bToSelfBA) {
4085 if (priv->undecorated_smoothed_pwdb < 0)
4086
4087 priv->undecorated_smoothed_pwdb =
4088 pprevious_stats->RxPWDBAll;
4089 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4090 priv->undecorated_smoothed_pwdb =
4091 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4092 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4093 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4094 } else {
4095 priv->undecorated_smoothed_pwdb =
4096 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4097 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4098 }
4099 }
4100
4101
4102
4103 if (pprevious_stats->SignalQuality) {
4104 if (pprevious_stats->bPacketToSelf ||
4105 pprevious_stats->bPacketBeacon ||
4106 pprevious_stats->bToSelfBA) {
4107 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4108 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4109 last_evm = priv->stats.slide_evm[slide_evm_index];
4110 priv->stats.slide_evm_total -= last_evm;
4111 }
4112
4113 priv->stats.slide_evm_total +=
4114 pprevious_stats->SignalQuality;
4115
4116 priv->stats.slide_evm[slide_evm_index++] =
4117 pprevious_stats->SignalQuality;
4118 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4119 slide_evm_index = 0;
4120
4121
4122 tmp_val = priv->stats.slide_evm_total /
4123 slide_evm_statistics;
4124 priv->stats.signal_quality = tmp_val;
4125
4126
4127
4128 priv->stats.last_signal_strength_inpercent = tmp_val;
4129 }
4130
4131
4132 if (pprevious_stats->bPacketToSelf ||
4133 pprevious_stats->bPacketBeacon ||
4134 pprevious_stats->bToSelfBA) {
4135 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) {
4136 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4137 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0)
4138 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4139 priv->stats.rx_evm_percentage[nspatial_stream] =
4140 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4141 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4142 }
4143 }
4144 }
4145 }
4146}
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4161{
4162 if ((antpower <= -100) || (antpower >= 20))
4163 return 0;
4164 else if (antpower >= 0)
4165 return 100;
4166 else
4167 return 100 + antpower;
4168
4169}
4170
4171static u8 rtl819x_evm_dbtopercentage(s8 value)
4172{
4173 s8 ret_val;
4174
4175 ret_val = value;
4176
4177 if (ret_val >= 0)
4178 ret_val = 0;
4179 if (ret_val <= -33)
4180 ret_val = -33;
4181 ret_val = 0 - ret_val;
4182 ret_val *= 3;
4183 if (ret_val == 99)
4184 ret_val = 100;
4185 return ret_val;
4186}
4187
4188
4189static long rtl819x_signal_scale_mapping(long currsig)
4190{
4191 long retsig;
4192
4193
4194 if (currsig >= 61 && currsig <= 100)
4195 retsig = 90 + ((currsig - 60) / 4);
4196 else if (currsig >= 41 && currsig <= 60)
4197 retsig = 78 + ((currsig - 40) / 2);
4198 else if (currsig >= 31 && currsig <= 40)
4199 retsig = 66 + (currsig - 30);
4200 else if (currsig >= 21 && currsig <= 30)
4201 retsig = 54 + (currsig - 20);
4202 else if (currsig >= 5 && currsig <= 20)
4203 retsig = 42 + (((currsig - 5) * 2) / 3);
4204 else if (currsig == 4)
4205 retsig = 36;
4206 else if (currsig == 3)
4207 retsig = 27;
4208 else if (currsig == 2)
4209 retsig = 18;
4210 else if (currsig == 1)
4211 retsig = 9;
4212 else
4213 retsig = currsig;
4214
4215 return retsig;
4216}
4217
4218static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4219{
4220 if (pdrvinfo->RxHT)
4221 return false;
4222
4223 switch (pdrvinfo->RxRate) {
4224 case DESC90_RATE1M:
4225 case DESC90_RATE2M:
4226 case DESC90_RATE5_5M:
4227 case DESC90_RATE11M:
4228 return true;
4229 default:
4230 return false;
4231 }
4232}
4233
4234static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4235 struct ieee80211_rx_stats *pstats,
4236 rx_drvinfo_819x_usb *pdrvinfo,
4237 struct ieee80211_rx_stats *precord_stats,
4238 bool bpacket_match_bssid,
4239 bool bpacket_toself,
4240 bool bPacketBeacon,
4241 bool bToSelfBA)
4242{
4243 phy_sts_ofdm_819xusb_t *pofdm_buf;
4244 phy_sts_cck_819xusb_t *pcck_buf;
4245 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4246 u8 *prxpkt;
4247 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4248 s8 rx_pwr[4], rx_pwr_all = 0;
4249 s8 rx_snrX, rx_evmX;
4250 u8 evm, pwdb_all;
4251 u32 RSSI, total_rssi = 0;
4252 u8 is_cck_rate = 0;
4253 u8 rf_rx_num = 0;
4254 u8 sq;
4255
4256
4257 priv->stats.numqry_phystatus++;
4258
4259 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4260
4261
4262 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4263 pstats->bPacketMatchBSSID =
4264 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4265 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4266 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4267 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4268 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4269
4270 prxpkt = (u8 *)pdrvinfo;
4271
4272
4273 prxpkt += sizeof(rx_drvinfo_819x_usb);
4274
4275
4276 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4277 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4278
4279 pstats->RxMIMOSignalQuality[0] = -1;
4280 pstats->RxMIMOSignalQuality[1] = -1;
4281 precord_stats->RxMIMOSignalQuality[0] = -1;
4282 precord_stats->RxMIMOSignalQuality[1] = -1;
4283
4284 if (is_cck_rate) {
4285
4286
4287
4288
4289
4290 u8 report;
4291
4292 priv->stats.numqry_phystatusCCK++;
4293
4294 if (!priv->bCckHighPower) {
4295 report = pcck_buf->cck_agc_rpt & 0xc0;
4296 report >>= 6;
4297 switch (report) {
4298 case 0x3:
4299 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4300 break;
4301 case 0x2:
4302 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4303 break;
4304 case 0x1:
4305 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4306 break;
4307 case 0x0:
4308 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4309 break;
4310 }
4311 } else {
4312 report = pcck_buf->cck_agc_rpt & 0x60;
4313 report >>= 5;
4314 switch (report) {
4315 case 0x3:
4316 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4317 break;
4318 case 0x2:
4319 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4320 break;
4321 case 0x1:
4322 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4323 break;
4324 case 0x0:
4325 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4326 break;
4327 }
4328 }
4329
4330 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4331 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4332 pstats->RecvSignalPower = pwdb_all;
4333
4334
4335
4336 if (pstats->RxPWDBAll > 40) {
4337 sq = 100;
4338 } else {
4339 sq = pcck_buf->sq_rpt;
4340
4341 if (pcck_buf->sq_rpt > 64)
4342 sq = 0;
4343 else if (pcck_buf->sq_rpt < 20)
4344 sq = 100;
4345 else
4346 sq = ((64 - sq) * 100) / 44;
4347 }
4348 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4349 pstats->RxMIMOSignalQuality[0] =
4350 precord_stats->RxMIMOSignalQuality[0] = sq;
4351 pstats->RxMIMOSignalQuality[1] =
4352 precord_stats->RxMIMOSignalQuality[1] = -1;
4353
4354 } else {
4355 priv->stats.numqry_phystatusHT++;
4356
4357
4358 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4359
4360 if (priv->brfpath_rxenable[i])
4361 rf_rx_num++;
4362 else
4363 continue;
4364
4365 if (!rtl8192_phy_CheckIsLegalRFPath(
4366 priv->ieee80211->dev, i))
4367 continue;
4368
4369 rx_pwr[i] =
4370 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4371
4372
4373 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4374 rx_snrX = (s8)(tmp_rxsnr);
4375 rx_snrX /= 2;
4376 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4377
4378
4379 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4380 total_rssi += RSSI;
4381
4382
4383 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4384 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4385 }
4386
4387
4388
4389
4390
4391 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4392 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4393
4394 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4395 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4396
4397
4398 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4399 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4400
4401 max_spatial_stream = 2;
4402 else
4403
4404 max_spatial_stream = 1;
4405
4406 for (i = 0; i < max_spatial_stream; i++) {
4407 tmp_rxevm = pofdm_buf->rxevm_X[i];
4408 rx_evmX = (s8)(tmp_rxevm);
4409
4410
4411
4412
4413
4414
4415
4416
4417 rx_evmX /= 2;
4418
4419 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4420 if (i == 0)
4421
4422
4423
4424 pstats->SignalQuality =
4425 precord_stats->SignalQuality =
4426 evm & 0xff;
4427 pstats->RxMIMOSignalQuality[i] =
4428 precord_stats->RxMIMOSignalQuality[i] =
4429 evm & 0xff;
4430 }
4431
4432
4433
4434 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4435 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4436 &rxsc_sgien_exflg;
4437 if (pdrvinfo->BW)
4438 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4439 else
4440 priv->stats.received_bwtype[0]++;
4441 }
4442
4443
4444
4445
4446
4447 if (is_cck_rate) {
4448 pstats->SignalStrength =
4449 precord_stats->SignalStrength =
4450 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4451 } else {
4452
4453 if (rf_rx_num != 0) {
4454 pstats->SignalStrength =
4455 precord_stats->SignalStrength =
4456 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4457 }
4458 }
4459}
4460
4461static void rtl8192_record_rxdesc_forlateruse(
4462 struct ieee80211_rx_stats *psrc_stats,
4463 struct ieee80211_rx_stats *ptarget_stats)
4464{
4465 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4466 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4467 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4468}
4469
4470
4471static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4472 struct ieee80211_rx_stats *pstats,
4473 rx_drvinfo_819x_usb *pdrvinfo)
4474{
4475
4476
4477
4478 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4479 struct net_device *dev = info->dev;
4480 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4481 bool bpacket_match_bssid, bpacket_toself;
4482 bool bPacketBeacon = false, bToSelfBA = false;
4483 static struct ieee80211_rx_stats previous_stats;
4484 struct rtl_80211_hdr_3addr *hdr;
4485 u16 fc, type;
4486
4487
4488
4489 u8 *tmp_buf;
4490 u8 *praddr;
4491
4492
4493 tmp_buf = (u8 *)skb->data;
4494
4495 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4496 fc = le16_to_cpu(hdr->frame_ctl);
4497 type = WLAN_FC_GET_TYPE(fc);
4498 praddr = hdr->addr1;
4499
4500
4501 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4502 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4503 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4504 bpacket_toself = bpacket_match_bssid &
4505 (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4506
4507 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4508 bPacketBeacon = true;
4509 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4510 if ((eqMacAddr(praddr, dev->dev_addr)))
4511 bToSelfBA = true;
4512 }
4513
4514
4515
4516 if (bpacket_match_bssid)
4517 priv->stats.numpacket_matchbssid++;
4518 if (bpacket_toself)
4519 priv->stats.numpacket_toself++;
4520
4521
4522
4523
4524 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4525 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4526 bpacket_match_bssid, bpacket_toself,
4527 bPacketBeacon, bToSelfBA);
4528 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4529}
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545static void
4546UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4547 struct ieee80211_rx_stats *stats)
4548{
4549 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4550
4551 u32 rcvType = 1;
4552 u32 rateIndex;
4553
4554 u32 preamble_guardinterval;
4555
4556
4557 if (stats->bCRC)
4558 rcvType = 2;
4559 else if (stats->bICV)
4560 rcvType = 3;
4561
4562 if (stats->bShortPreamble)
4563 preamble_guardinterval = 1;
4564 else
4565 preamble_guardinterval = 0;
4566
4567 switch (stats->rate) {
4568
4569 case MGN_1M:
4570 rateIndex = 0;
4571 break;
4572 case MGN_2M:
4573 rateIndex = 1;
4574 break;
4575 case MGN_5_5M:
4576 rateIndex = 2;
4577 break;
4578 case MGN_11M:
4579 rateIndex = 3;
4580 break;
4581
4582 case MGN_6M:
4583 rateIndex = 4;
4584 break;
4585 case MGN_9M:
4586 rateIndex = 5;
4587 break;
4588 case MGN_12M:
4589 rateIndex = 6;
4590 break;
4591 case MGN_18M:
4592 rateIndex = 7;
4593 break;
4594 case MGN_24M:
4595 rateIndex = 8;
4596 break;
4597 case MGN_36M:
4598 rateIndex = 9;
4599 break;
4600 case MGN_48M:
4601 rateIndex = 10;
4602 break;
4603 case MGN_54M:
4604 rateIndex = 11;
4605 break;
4606
4607 case MGN_MCS0:
4608 rateIndex = 12;
4609 break;
4610 case MGN_MCS1:
4611 rateIndex = 13;
4612 break;
4613 case MGN_MCS2:
4614 rateIndex = 14;
4615 break;
4616 case MGN_MCS3:
4617 rateIndex = 15;
4618 break;
4619 case MGN_MCS4:
4620 rateIndex = 16;
4621 break;
4622 case MGN_MCS5:
4623 rateIndex = 17;
4624 break;
4625 case MGN_MCS6:
4626 rateIndex = 18;
4627 break;
4628 case MGN_MCS7:
4629 rateIndex = 19;
4630 break;
4631 case MGN_MCS8:
4632 rateIndex = 20;
4633 break;
4634 case MGN_MCS9:
4635 rateIndex = 21;
4636 break;
4637 case MGN_MCS10:
4638 rateIndex = 22;
4639 break;
4640 case MGN_MCS11:
4641 rateIndex = 23;
4642 break;
4643 case MGN_MCS12:
4644 rateIndex = 24;
4645 break;
4646 case MGN_MCS13:
4647 rateIndex = 25;
4648 break;
4649 case MGN_MCS14:
4650 rateIndex = 26;
4651 break;
4652 case MGN_MCS15:
4653 rateIndex = 27;
4654 break;
4655 default:
4656 rateIndex = 28;
4657 break;
4658 }
4659 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4660 priv->stats.received_rate_histogram[0][rateIndex]++;
4661 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4662}
4663
4664
4665static void query_rxdesc_status(struct sk_buff *skb,
4666 struct ieee80211_rx_stats *stats,
4667 bool bIsRxAggrSubframe)
4668{
4669 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4670 struct net_device *dev = info->dev;
4671 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4672 rx_drvinfo_819x_usb *driver_info = NULL;
4673
4674
4675 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4676
4677 stats->Length = desc->Length;
4678 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4679 stats->RxBufShift = 0;
4680 stats->bICV = desc->ICV;
4681 stats->bCRC = desc->CRC32;
4682 stats->bHwError = stats->bCRC | stats->bICV;
4683
4684 stats->Decrypted = !desc->SWDec;
4685
4686 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4687 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4688 stats->bHwError = false;
4689 else
4690 stats->bHwError = stats->bCRC | stats->bICV;
4691
4692 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4693 stats->bHwError |= 1;
4694
4695
4696
4697
4698 if (stats->RxDrvInfoSize != 0) {
4699 driver_info = (rx_drvinfo_819x_usb *)(
4700 skb->data
4701 + sizeof(rx_desc_819x_usb)
4702 + stats->RxBufShift
4703 );
4704
4705
4706 if (!stats->bHwError) {
4707 u8 ret_rate;
4708
4709 ret_rate = HwRateToMRate90(driver_info->RxHT,
4710 driver_info->RxRate);
4711 if (ret_rate == 0xff) {
4712
4713
4714
4715
4716
4717 stats->bHwError = 1;
4718
4719 stats->rate = MGN_1M;
4720 } else {
4721 stats->rate = ret_rate;
4722 }
4723 } else {
4724 stats->rate = 0x02;
4725 }
4726
4727 stats->bShortPreamble = driver_info->SPLCP;
4728
4729
4730 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4731
4732 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4733 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4734 (driver_info->FirstAGGR == 1);
4735 stats->TimeStampLow = driver_info->TSFL;
4736
4737 UpdateRxPktTimeStamp8190(dev, stats);
4738
4739
4740 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4741 RT_TRACE(COMP_RXDESC,
4742 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4743 driver_info->FirstAGGR, driver_info->PartAggr);
4744 }
4745
4746 skb_pull(skb, sizeof(rx_desc_819x_usb));
4747
4748 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4749 stats->bShift = 1;
4750 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4751 }
4752
4753 if (driver_info) {
4754 stats->RxIs40MHzPacket = driver_info->BW;
4755 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4756 }
4757}
4758
4759static void rtl8192_rx_nomal(struct sk_buff *skb)
4760{
4761 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4762 struct net_device *dev = info->dev;
4763 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4764 struct ieee80211_rx_stats stats = {
4765 .signal = 0,
4766 .noise = 0x100 - 98,
4767 .rate = 0,
4768 .freq = IEEE80211_24GHZ_BAND,
4769 };
4770 u32 rx_pkt_len = 0;
4771 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4772 bool unicast_packet = false;
4773
4774
4775 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4776
4777 query_rxdesc_status(skb, &stats, false);
4778
4779
4780
4781 skb_trim(skb, skb->len - 4);
4782
4783 rx_pkt_len = skb->len;
4784 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4785 unicast_packet = false;
4786 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4787
4788 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4789
4790 } else {
4791
4792 unicast_packet = true;
4793 }
4794
4795 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4796 dev_kfree_skb_any(skb);
4797 } else {
4798 priv->stats.rxoktotal++;
4799 if (unicast_packet)
4800 priv->stats.rxbytesunicast += rx_pkt_len;
4801 }
4802 } else {
4803 priv->stats.rxurberr++;
4804 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4805 dev_kfree_skb_any(skb);
4806 }
4807}
4808
4809static void rtl819xusb_process_received_packet(
4810 struct net_device *dev,
4811 struct ieee80211_rx_stats *pstats)
4812{
4813 u8 *frame;
4814 u16 frame_len = 0;
4815 struct r8192_priv *priv = ieee80211_priv(dev);
4816
4817
4818 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4819 frame = pstats->virtual_address;
4820 frame_len = pstats->packetlength;
4821#ifdef TODO
4822 if (!Adapter->bInHctTest)
4823 CountRxErrStatistics(Adapter, pRfd);
4824#endif
4825#ifdef ENABLE_PS
4826 RT_RF_POWER_STATE rtState;
4827
4828
4829
4830
4831 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4832 (u8 *)(&rtState));
4833 if (rtState == eRfOff)
4834 return;
4835#endif
4836 priv->stats.rxframgment++;
4837
4838#ifdef TODO
4839 RmMonitorSignalStrength(Adapter, pRfd);
4840#endif
4841
4842 if (rtl819xusb_rx_command_packet(dev, pstats))
4843 return;
4844
4845#ifdef SW_CRC_CHECK
4846 SwCrcCheck();
4847#endif
4848
4849
4850}
4851
4852static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4853 struct ieee80211_rx_stats *stats)
4854{
4855 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4856
4857
4858 stats->virtual_address = (u8 *)skb->data;
4859 stats->Length = desc->Length;
4860 stats->RxDrvInfoSize = 0;
4861 stats->RxBufShift = 0;
4862 stats->packetlength = stats->Length - scrclng;
4863 stats->fraglength = stats->packetlength;
4864 stats->fragoffset = 0;
4865 stats->ntotalfrag = 1;
4866}
4867
4868
4869static void rtl8192_rx_cmd(struct sk_buff *skb)
4870{
4871 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4872 struct net_device *dev = info->dev;
4873
4874 struct ieee80211_rx_stats stats = {
4875 .signal = 0,
4876 .noise = 0x100 - 98,
4877 .rate = 0,
4878 .freq = IEEE80211_24GHZ_BAND,
4879 };
4880
4881 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4882 query_rx_cmdpkt_desc_status(skb, &stats);
4883
4884
4885
4886
4887 rtl819xusb_process_received_packet(dev, &stats);
4888
4889 dev_kfree_skb_any(skb);
4890 }
4891}
4892
4893static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4894{
4895 struct sk_buff *skb;
4896 struct rtl8192_rx_info *info;
4897
4898 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4899 info = (struct rtl8192_rx_info *)skb->cb;
4900 switch (info->out_pipe) {
4901
4902 case 3:
4903 priv->IrpPendingCount--;
4904 rtl8192_rx_nomal(skb);
4905 break;
4906
4907
4908 case 9:
4909 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4910 info->out_pipe);
4911
4912 rtl8192_rx_cmd(skb);
4913 break;
4914
4915 default:
4916 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4917 info->out_pipe);
4918 dev_kfree_skb(skb);
4919 break;
4920 }
4921 }
4922}
4923
4924static const struct net_device_ops rtl8192_netdev_ops = {
4925 .ndo_open = rtl8192_open,
4926 .ndo_stop = rtl8192_close,
4927 .ndo_get_stats = rtl8192_stats,
4928 .ndo_tx_timeout = tx_timeout,
4929 .ndo_do_ioctl = rtl8192_ioctl,
4930 .ndo_set_rx_mode = r8192_set_multicast,
4931 .ndo_set_mac_address = r8192_set_mac_adr,
4932 .ndo_validate_addr = eth_validate_addr,
4933 .ndo_start_xmit = ieee80211_xmit,
4934};
4935
4936
4937
4938
4939
4940
4941static int rtl8192_usb_probe(struct usb_interface *intf,
4942 const struct usb_device_id *id)
4943{
4944 struct net_device *dev = NULL;
4945 struct r8192_priv *priv = NULL;
4946 struct usb_device *udev = interface_to_usbdev(intf);
4947 int ret;
4948
4949 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4950
4951 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4952 if (!dev)
4953 return -ENOMEM;
4954
4955 usb_set_intfdata(intf, dev);
4956 SET_NETDEV_DEV(dev, &intf->dev);
4957 priv = ieee80211_priv(dev);
4958 priv->ieee80211 = netdev_priv(dev);
4959 priv->udev = udev;
4960
4961 dev->netdev_ops = &rtl8192_netdev_ops;
4962
4963 dev->wireless_handlers = &r8192_wx_handlers_def;
4964
4965 dev->type = ARPHRD_ETHER;
4966
4967 dev->watchdog_timeo = HZ * 3;
4968
4969 if (dev_alloc_name(dev, ifname) < 0) {
4970 RT_TRACE(COMP_INIT,
4971 "Oops: devname already taken! Trying wlan%%d...\n");
4972 ifname = "wlan%d";
4973 dev_alloc_name(dev, ifname);
4974 }
4975
4976 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4977 if (rtl8192_init(dev) != 0) {
4978 RT_TRACE(COMP_ERR, "Initialization failed");
4979 ret = -ENODEV;
4980 goto fail;
4981 }
4982 netif_carrier_off(dev);
4983 netif_stop_queue(dev);
4984
4985 ret = register_netdev(dev);
4986 if (ret)
4987 goto fail2;
4988
4989 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4990 rtl8192_proc_init_one(dev);
4991
4992
4993 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4994 return 0;
4995
4996fail2:
4997 rtl8192_down(dev);
4998 kfree(priv->pFirmware);
4999 priv->pFirmware = NULL;
5000 rtl8192_usb_deleteendpoints(dev);
5001 mdelay(10);
5002fail:
5003 free_ieee80211(dev);
5004
5005 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5006 return ret;
5007}
5008
5009
5010
5011
5012static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5013{
5014 cancel_work_sync(&priv->reset_wq);
5015 cancel_delayed_work(&priv->watch_dog_wq);
5016 cancel_delayed_work(&priv->update_beacon_wq);
5017 cancel_work_sync(&priv->qos_activate);
5018}
5019
5020
5021static void rtl8192_usb_disconnect(struct usb_interface *intf)
5022{
5023 struct net_device *dev = usb_get_intfdata(intf);
5024 struct r8192_priv *priv = ieee80211_priv(dev);
5025
5026 if (dev) {
5027 unregister_netdev(dev);
5028
5029 RT_TRACE(COMP_DOWN,
5030 "=============>wlan driver to be removed\n");
5031 rtl8192_proc_remove_one(dev);
5032
5033 rtl8192_down(dev);
5034 kfree(priv->pFirmware);
5035 priv->pFirmware = NULL;
5036 rtl8192_usb_deleteendpoints(dev);
5037 mdelay(10);
5038 }
5039 free_ieee80211(dev);
5040 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5041}
5042
5043static int __init rtl8192_usb_module_init(void)
5044{
5045 int ret;
5046
5047#ifdef CONFIG_IEEE80211_DEBUG
5048 ret = ieee80211_debug_init();
5049 if (ret) {
5050 pr_err("ieee80211_debug_init() failed %d\n", ret);
5051 return ret;
5052 }
5053#endif
5054 ret = ieee80211_crypto_init();
5055 if (ret) {
5056 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5057 return ret;
5058 }
5059
5060 ret = ieee80211_crypto_tkip_init();
5061 if (ret) {
5062 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5063 return ret;
5064 }
5065
5066 ret = ieee80211_crypto_ccmp_init();
5067 if (ret) {
5068 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5069 return ret;
5070 }
5071
5072 ret = ieee80211_crypto_wep_init();
5073 if (ret) {
5074 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5075 return ret;
5076 }
5077
5078 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5079 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5080 RT_TRACE(COMP_INIT, "Initializing module");
5081 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5082 rtl8192_proc_module_init();
5083 return usb_register(&rtl8192_usb_driver);
5084}
5085
5086
5087static void __exit rtl8192_usb_module_exit(void)
5088{
5089 usb_deregister(&rtl8192_usb_driver);
5090
5091 RT_TRACE(COMP_DOWN, "Exiting");
5092}
5093
5094void EnableHWSecurityConfig8192(struct net_device *dev)
5095{
5096 u8 SECR_value = 0x0;
5097 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5098 struct ieee80211_device *ieee = priv->ieee80211;
5099
5100 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5101 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5102 SECR_value |= SCR_RxUseDK;
5103 SECR_value |= SCR_TxUseDK;
5104 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5105 SECR_value |= SCR_RxUseDK;
5106 SECR_value |= SCR_TxUseDK;
5107 }
5108
5109
5110
5111
5112
5113
5114
5115 ieee->hwsec_active = 1;
5116
5117
5118 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5119 ieee->hwsec_active = 0;
5120 SECR_value &= ~SCR_RxDecEnable;
5121 }
5122 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5123 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5124 SECR_value);
5125 write_nic_byte(dev, SECR, SECR_value);
5126}
5127
5128
5129void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5130 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5131{
5132 u32 TargetCommand = 0;
5133 u32 TargetContent = 0;
5134 u16 usConfig = 0;
5135 u8 i;
5136
5137 if (EntryNo >= TOTAL_CAM_ENTRY)
5138 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5139
5140 RT_TRACE(COMP_SEC,
5141 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5142 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5143
5144 if (DefaultKey)
5145 usConfig |= BIT(15) | (KeyType << 2);
5146 else
5147 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5148
5149
5150 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5151 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5152 TargetCommand |= BIT(31) | BIT(16);
5153
5154 if (i == 0) {
5155 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5156 (u32)(*(MacAddr + 1)) << 24 |
5157 (u32)usConfig;
5158
5159 write_nic_dword(dev, WCAMI, TargetContent);
5160 write_nic_dword(dev, RWCAM, TargetCommand);
5161 } else if (i == 1) {
5162 TargetContent = (u32)(*(MacAddr + 2)) |
5163 (u32)(*(MacAddr + 3)) << 8 |
5164 (u32)(*(MacAddr + 4)) << 16 |
5165 (u32)(*(MacAddr + 5)) << 24;
5166 write_nic_dword(dev, WCAMI, TargetContent);
5167 write_nic_dword(dev, RWCAM, TargetCommand);
5168 } else {
5169
5170 if (KeyContent) {
5171 write_nic_dword(dev, WCAMI,
5172 *(KeyContent + i - 2));
5173 write_nic_dword(dev, RWCAM, TargetCommand);
5174 }
5175 }
5176 }
5177}
5178
5179
5180
5181
5182module_init(rtl8192_usb_module_init);
5183module_exit(rtl8192_usb_module_exit);
5184
