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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, "%s TimeOut! status: %d\n", __func__, status);
274 return status;
275 }
276 return 0;
277}
278
279int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
280{
281 int status;
282 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
283 struct usb_device *udev = priv->udev;
284 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
285
286 if (!usbdata)
287 return -ENOMEM;
288
289 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
290 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
291 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
292 *data = *usbdata;
293 kfree(usbdata);
294
295 if (status < 0) {
296 netdev_err(dev, "%s failure status: %d\n", __func__, status);
297 return status;
298 }
299
300 return 0;
301}
302
303
304int write_nic_byte(struct net_device *dev, int indx, u8 data)
305{
306 int status;
307
308 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
309 struct usb_device *udev = priv->udev;
310 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
311
312 if (!usbdata)
313 return -ENOMEM;
314 *usbdata = data;
315
316 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
317 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
318 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
319 usbdata, 1, HZ / 2);
320 kfree(usbdata);
321
322 if (status < 0) {
323 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
324 return status;
325 }
326
327 return 0;
328}
329
330
331int write_nic_word(struct net_device *dev, int indx, u16 data)
332{
333 int status;
334
335 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
336 struct usb_device *udev = priv->udev;
337 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
338
339 if (!usbdata)
340 return -ENOMEM;
341 *usbdata = data;
342
343 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
344 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
345 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
346 usbdata, 2, HZ / 2);
347 kfree(usbdata);
348
349 if (status < 0) {
350 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
351 return status;
352 }
353
354 return 0;
355}
356
357
358int write_nic_dword(struct net_device *dev, int indx, u32 data)
359{
360 int status;
361
362 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
363 struct usb_device *udev = priv->udev;
364 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
365
366 if (!usbdata)
367 return -ENOMEM;
368 *usbdata = data;
369
370 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
371 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
372 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
373 usbdata, 4, HZ / 2);
374 kfree(usbdata);
375
376
377 if (status < 0) {
378 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
379 return status;
380 }
381
382 return 0;
383}
384
385
386
387int read_nic_byte(struct net_device *dev, int indx, u8 *data)
388{
389 int status;
390 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
391 struct usb_device *udev = priv->udev;
392 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
393
394 if (!usbdata)
395 return -ENOMEM;
396
397 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
398 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
399 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
400 usbdata, 1, HZ / 2);
401 *data = *usbdata;
402 kfree(usbdata);
403
404 if (status < 0) {
405 netdev_err(dev, "%s failure status: %d\n", __func__, status);
406 return status;
407 }
408
409 return 0;
410}
411
412
413
414int read_nic_word(struct net_device *dev, int indx, u16 *data)
415{
416 int status;
417 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
418 struct usb_device *udev = priv->udev;
419 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
420
421 if (!usbdata)
422 return -ENOMEM;
423
424 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
425 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
426 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
427 usbdata, 2, HZ / 2);
428 *data = *usbdata;
429 kfree(usbdata);
430
431 if (status < 0) {
432 netdev_err(dev, "%s failure status: %d\n", __func__, status);
433 return status;
434 }
435
436 return 0;
437}
438
439static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
440{
441 int status;
442 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
443 struct usb_device *udev = priv->udev;
444 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
445
446 if (!usbdata)
447 return -ENOMEM;
448
449 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
450 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
451 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
452 *data = *usbdata;
453 kfree(usbdata);
454
455 if (status < 0) {
456 netdev_err(dev, "%s failure status: %d\n", __func__, status);
457 return status;
458 }
459
460 return 0;
461}
462
463int read_nic_dword(struct net_device *dev, int indx, u32 *data)
464{
465 int status;
466
467 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
468 struct usb_device *udev = priv->udev;
469 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
470
471 if (!usbdata)
472 return -ENOMEM;
473
474 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
475 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
476 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
477 usbdata, 4, HZ / 2);
478 *data = *usbdata;
479 kfree(usbdata);
480
481 if (status < 0) {
482 netdev_err(dev, "%s failure status: %d\n", __func__, status);
483 return status;
484 }
485
486 return 0;
487}
488
489
490
491
492
493
494inline void force_pci_posting(struct net_device *dev)
495{
496}
497
498static struct net_device_stats *rtl8192_stats(struct net_device *dev);
499static void rtl8192_restart(struct work_struct *work);
500static void watch_dog_timer_callback(struct timer_list *t);
501
502
503
504
505
506static struct proc_dir_entry *rtl8192_proc;
507
508static int proc_get_stats_ap(struct seq_file *m, void *v)
509{
510 struct net_device *dev = m->private;
511 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
512 struct ieee80211_device *ieee = priv->ieee80211;
513 struct ieee80211_network *target;
514
515 list_for_each_entry(target, &ieee->network_list, list) {
516 const char *wpa = "non_WPA";
517
518 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
519 wpa = "WPA";
520
521 seq_printf(m, "%s %s\n", target->ssid, wpa);
522 }
523
524 return 0;
525}
526
527static int proc_get_registers(struct seq_file *m, void *v)
528{
529 struct net_device *dev = m->private;
530 int i, n, max = 0xff;
531 u8 byte_rd;
532
533 seq_puts(m, "\n####################page 0##################\n ");
534
535 for (n = 0; n <= max;) {
536 seq_printf(m, "\nD: %2x > ", n);
537
538 for (i = 0; i < 16 && n <= max; i++, n++) {
539 read_nic_byte(dev, 0x000 | n, &byte_rd);
540 seq_printf(m, "%2x ", byte_rd);
541 }
542 }
543
544 seq_puts(m, "\n####################page 1##################\n ");
545 for (n = 0; n <= max;) {
546 seq_printf(m, "\nD: %2x > ", n);
547
548 for (i = 0; i < 16 && n <= max; i++, n++) {
549 read_nic_byte(dev, 0x100 | n, &byte_rd);
550 seq_printf(m, "%2x ", byte_rd);
551 }
552 }
553
554 seq_puts(m, "\n####################page 3##################\n ");
555 for (n = 0; n <= max;) {
556 seq_printf(m, "\nD: %2x > ", n);
557
558 for (i = 0; i < 16 && n <= max; i++, n++) {
559 read_nic_byte(dev, 0x300 | n, &byte_rd);
560 seq_printf(m, "%2x ", byte_rd);
561 }
562 }
563
564 seq_putc(m, '\n');
565 return 0;
566}
567
568static int proc_get_stats_tx(struct seq_file *m, void *v)
569{
570 struct net_device *dev = m->private;
571 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
572
573 seq_printf(m,
574 "TX VI priority ok int: %lu\n"
575 "TX VI priority error int: %lu\n"
576 "TX VO priority ok int: %lu\n"
577 "TX VO priority error int: %lu\n"
578 "TX BE priority ok int: %lu\n"
579 "TX BE priority error int: %lu\n"
580 "TX BK priority ok int: %lu\n"
581 "TX BK priority error int: %lu\n"
582 "TX MANAGE priority ok int: %lu\n"
583 "TX MANAGE priority error int: %lu\n"
584 "TX BEACON priority ok int: %lu\n"
585 "TX BEACON priority error int: %lu\n"
586 "TX queue resume: %lu\n"
587 "TX queue stopped?: %d\n"
588 "TX fifo overflow: %lu\n"
589 "TX VI queue: %d\n"
590 "TX VO queue: %d\n"
591 "TX BE queue: %d\n"
592 "TX BK queue: %d\n"
593 "TX VI dropped: %lu\n"
594 "TX VO dropped: %lu\n"
595 "TX BE dropped: %lu\n"
596 "TX BK dropped: %lu\n"
597 "TX total data packets %lu\n",
598 priv->stats.txviokint,
599 priv->stats.txvierr,
600 priv->stats.txvookint,
601 priv->stats.txvoerr,
602 priv->stats.txbeokint,
603 priv->stats.txbeerr,
604 priv->stats.txbkokint,
605 priv->stats.txbkerr,
606 priv->stats.txmanageokint,
607 priv->stats.txmanageerr,
608 priv->stats.txbeaconokint,
609 priv->stats.txbeaconerr,
610 priv->stats.txresumed,
611 netif_queue_stopped(dev),
612 priv->stats.txoverflow,
613 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
614 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
615 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
616 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
617 priv->stats.txvidrop,
618 priv->stats.txvodrop,
619 priv->stats.txbedrop,
620 priv->stats.txbkdrop,
621 priv->stats.txdatapkt
622 );
623
624 return 0;
625}
626
627static int proc_get_stats_rx(struct seq_file *m, void *v)
628{
629 struct net_device *dev = m->private;
630 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
631
632 seq_printf(m,
633 "RX packets: %lu\n"
634 "RX urb status error: %lu\n"
635 "RX invalid urb error: %lu\n",
636 priv->stats.rxoktotal,
637 priv->stats.rxstaterr,
638 priv->stats.rxurberr);
639
640 return 0;
641}
642
643static void rtl8192_proc_module_init(void)
644{
645 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
646 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
647}
648
649static void rtl8192_proc_init_one(struct net_device *dev)
650{
651 struct proc_dir_entry *dir;
652
653 if (!rtl8192_proc)
654 return;
655
656 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
657 if (!dir)
658 return;
659
660 proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir,
661 proc_get_stats_rx);
662 proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir,
663 proc_get_stats_tx);
664 proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir,
665 proc_get_stats_ap);
666 proc_create_single("registers", S_IFREG | S_IRUGO, dir,
667 proc_get_registers);
668}
669
670static void rtl8192_proc_remove_one(struct net_device *dev)
671{
672 remove_proc_subtree(dev->name, rtl8192_proc);
673}
674
675
676
677
678
679short check_nic_enough_desc(struct net_device *dev, int queue_index)
680{
681 struct r8192_priv *priv = ieee80211_priv(dev);
682 int used = atomic_read(&priv->tx_pending[queue_index]);
683
684 return (used < MAX_TX_URB);
685}
686
687static void tx_timeout(struct net_device *dev)
688{
689 struct r8192_priv *priv = ieee80211_priv(dev);
690
691 schedule_work(&priv->reset_wq);
692}
693
694void rtl8192_update_msr(struct net_device *dev)
695{
696 struct r8192_priv *priv = ieee80211_priv(dev);
697 u8 msr;
698
699 read_nic_byte(dev, MSR, &msr);
700 msr &= ~MSR_LINK_MASK;
701
702
703
704
705
706
707 if (priv->ieee80211->state == IEEE80211_LINKED) {
708 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
709 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
710 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
711 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
712 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
713 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
714
715 } else {
716 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
717 }
718
719 write_nic_byte(dev, MSR, msr);
720}
721
722void rtl8192_set_chan(struct net_device *dev, short ch)
723{
724 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
725
726 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
727 priv->chan = ch;
728
729
730
731
732
733 if (priv->rf_set_chan)
734 priv->rf_set_chan(dev, priv->chan);
735 mdelay(10);
736}
737
738static void rtl8192_rx_isr(struct urb *urb);
739
740static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
741{
742 return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
743 + pstats->RxBufShift);
744}
745
746static int rtl8192_rx_initiate(struct net_device *dev)
747{
748 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
749 struct urb *entry;
750 struct sk_buff *skb;
751 struct rtl8192_rx_info *info;
752
753
754 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
755 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
756 if (!skb)
757 break;
758 entry = usb_alloc_urb(0, GFP_KERNEL);
759 if (!entry) {
760 kfree_skb(skb);
761 break;
762 }
763 usb_fill_bulk_urb(entry, priv->udev,
764 usb_rcvbulkpipe(priv->udev, 3),
765 skb_tail_pointer(skb),
766 RX_URB_SIZE, rtl8192_rx_isr, skb);
767 info = (struct rtl8192_rx_info *)skb->cb;
768 info->urb = entry;
769 info->dev = dev;
770 info->out_pipe = 3;
771 skb_queue_tail(&priv->rx_queue, skb);
772 usb_submit_urb(entry, GFP_KERNEL);
773 }
774
775
776 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
777 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
778 if (!skb)
779 break;
780 entry = usb_alloc_urb(0, GFP_KERNEL);
781 if (!entry) {
782 kfree_skb(skb);
783 break;
784 }
785 usb_fill_bulk_urb(entry, priv->udev,
786 usb_rcvbulkpipe(priv->udev, 9),
787 skb_tail_pointer(skb),
788 RX_URB_SIZE, rtl8192_rx_isr, skb);
789 info = (struct rtl8192_rx_info *)skb->cb;
790 info->urb = entry;
791 info->dev = dev;
792 info->out_pipe = 9;
793 skb_queue_tail(&priv->rx_queue, skb);
794 usb_submit_urb(entry, GFP_KERNEL);
795 }
796
797 return 0;
798}
799
800void rtl8192_set_rxconf(struct net_device *dev)
801{
802 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
803 u32 rxconf;
804
805 read_nic_dword(dev, RCR, &rxconf);
806 rxconf = rxconf & ~MAC_FILTER_MASK;
807 rxconf = rxconf | RCR_AMF;
808 rxconf = rxconf | RCR_ADF;
809 rxconf = rxconf | RCR_AB;
810 rxconf = rxconf | RCR_AM;
811
812 if (dev->flags & IFF_PROMISC)
813 DMESG("NIC in promisc mode");
814
815 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
816 dev->flags & IFF_PROMISC) {
817 rxconf = rxconf | RCR_AAP;
818 } else {
819 rxconf = rxconf | RCR_APM;
820 rxconf = rxconf | RCR_CBSSID;
821 }
822
823
824 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
825 rxconf = rxconf | RCR_AICV;
826 rxconf = rxconf | RCR_APWRMGT;
827 }
828
829 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
830 rxconf = rxconf | RCR_ACRC32;
831
832
833 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
834 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
835 rxconf = rxconf & ~MAX_RX_DMA_MASK;
836 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
837
838 rxconf = rxconf | RCR_ONLYERLPKT;
839
840 write_nic_dword(dev, RCR, rxconf);
841}
842
843
844void rtl8192_rx_enable(struct net_device *dev)
845{
846 rtl8192_rx_initiate(dev);
847}
848
849
850void rtl8192_tx_enable(struct net_device *dev)
851{
852}
853
854
855
856void rtl8192_rtx_disable(struct net_device *dev)
857{
858 u8 cmd;
859 struct r8192_priv *priv = ieee80211_priv(dev);
860 struct sk_buff *skb;
861 struct rtl8192_rx_info *info;
862
863 read_nic_byte(dev, CMDR, &cmd);
864 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
865 force_pci_posting(dev);
866 mdelay(10);
867
868 while ((skb = __skb_dequeue(&priv->rx_queue))) {
869 info = (struct rtl8192_rx_info *)skb->cb;
870 if (!info->urb)
871 continue;
872
873 usb_kill_urb(info->urb);
874 kfree_skb(skb);
875 }
876
877 if (skb_queue_len(&priv->skb_queue))
878 netdev_warn(dev, "skb_queue not empty\n");
879
880 skb_queue_purge(&priv->skb_queue);
881}
882
883
884static void rtl8192_rx_isr(struct urb *urb)
885{
886 struct sk_buff *skb = (struct sk_buff *)urb->context;
887 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
888 struct net_device *dev = info->dev;
889 struct r8192_priv *priv = ieee80211_priv(dev);
890 int out_pipe = info->out_pipe;
891 int err;
892
893 if (!priv->up)
894 return;
895
896 if (unlikely(urb->status)) {
897 info->urb = NULL;
898 priv->stats.rxstaterr++;
899 priv->ieee80211->stats.rx_errors++;
900 usb_free_urb(urb);
901 return;
902 }
903 skb_unlink(skb, &priv->rx_queue);
904 skb_put(skb, urb->actual_length);
905
906 skb_queue_tail(&priv->skb_queue, skb);
907 tasklet_schedule(&priv->irq_rx_tasklet);
908
909 skb = dev_alloc_skb(RX_URB_SIZE);
910 if (unlikely(!skb)) {
911 usb_free_urb(urb);
912 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
913
914 return;
915 }
916
917 usb_fill_bulk_urb(urb, priv->udev,
918 usb_rcvbulkpipe(priv->udev, out_pipe),
919 skb_tail_pointer(skb),
920 RX_URB_SIZE, rtl8192_rx_isr, skb);
921
922 info = (struct rtl8192_rx_info *)skb->cb;
923 info->urb = urb;
924 info->dev = dev;
925 info->out_pipe = out_pipe;
926
927 urb->transfer_buffer = skb_tail_pointer(skb);
928 urb->context = skb;
929 skb_queue_tail(&priv->rx_queue, skb);
930 err = usb_submit_urb(urb, GFP_ATOMIC);
931 if (err && err != EPERM)
932 netdev_err(dev,
933 "can not submit rxurb, err is %x, URB status is %x\n",
934 err, urb->status);
935}
936
937static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
938 struct ieee80211_rx_stats *pstats)
939{
940 u32 status;
941
942 status = cmpk_message_handle_rx(dev, pstats);
943 if (status)
944 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
945
946 return status;
947}
948
949
950static void rtl8192_data_hard_stop(struct net_device *dev)
951{
952
953}
954
955
956static void rtl8192_data_hard_resume(struct net_device *dev)
957{
958
959}
960
961
962
963
964static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
965 int rate)
966{
967 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
968 int ret;
969 unsigned long flags;
970 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
971 u8 queue_index = tcb_desc->queue_index;
972
973
974 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
975
976 spin_lock_irqsave(&priv->tx_lock, flags);
977
978 *(struct net_device **)(skb->cb) = dev;
979 tcb_desc->bTxEnableFwCalcDur = 1;
980 skb_push(skb, priv->ieee80211->tx_headroom);
981 ret = rtl8192_tx(dev, skb);
982
983 spin_unlock_irqrestore(&priv->tx_lock, flags);
984}
985
986
987
988
989
990
991static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
992{
993 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
994 int ret;
995 unsigned long flags;
996 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
997 u8 queue_index = tcb_desc->queue_index;
998
999
1000 spin_lock_irqsave(&priv->tx_lock, flags);
1001
1002 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1003 if (queue_index == TXCMD_QUEUE) {
1004 skb_push(skb, USB_HWDESC_HEADER_LEN);
1005 rtl819xU_tx_cmd(dev, skb);
1006 ret = 1;
1007 } else {
1008 skb_push(skb, priv->ieee80211->tx_headroom);
1009 ret = rtl8192_tx(dev, skb);
1010 }
1011
1012 spin_unlock_irqrestore(&priv->tx_lock, flags);
1013
1014 return ret;
1015}
1016
1017static void rtl8192_tx_isr(struct urb *tx_urb)
1018{
1019 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1020 struct net_device *dev;
1021 struct r8192_priv *priv = NULL;
1022 struct cb_desc *tcb_desc;
1023 u8 queue_index;
1024
1025 if (!skb)
1026 return;
1027
1028 dev = *(struct net_device **)(skb->cb);
1029 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1030 queue_index = tcb_desc->queue_index;
1031
1032 priv = ieee80211_priv(dev);
1033
1034 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1035 if (tx_urb->status == 0) {
1036 netif_trans_update(dev);
1037 priv->stats.txoktotal++;
1038 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1039 priv->stats.txbytesunicast +=
1040 (skb->len - priv->ieee80211->tx_headroom);
1041 } else {
1042 priv->ieee80211->stats.tx_errors++;
1043
1044 }
1045 }
1046
1047
1048 dev_kfree_skb_any(skb);
1049 usb_free_urb(tx_urb);
1050 atomic_dec(&priv->tx_pending[queue_index]);
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065 if (queue_index != BEACON_QUEUE) {
1066
1067 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1068 (!(priv->ieee80211->queue_stop))) {
1069 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1070 if (skb)
1071 priv->ieee80211->softmac_hard_start_xmit(skb,
1072 dev);
1073
1074 return;
1075 }
1076 }
1077}
1078
1079static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1080{
1081 struct r8192_priv *priv = ieee80211_priv(dev);
1082 struct ieee80211_network *net;
1083 u8 i = 0, basic_rate = 0;
1084
1085 net = &priv->ieee80211->current_network;
1086
1087 for (i = 0; i < net->rates_len; i++) {
1088 basic_rate = net->rates[i] & 0x7f;
1089 switch (basic_rate) {
1090 case MGN_1M:
1091 *rate_config |= RRSR_1M;
1092 break;
1093 case MGN_2M:
1094 *rate_config |= RRSR_2M;
1095 break;
1096 case MGN_5_5M:
1097 *rate_config |= RRSR_5_5M;
1098 break;
1099 case MGN_11M:
1100 *rate_config |= RRSR_11M;
1101 break;
1102 case MGN_6M:
1103 *rate_config |= RRSR_6M;
1104 break;
1105 case MGN_9M:
1106 *rate_config |= RRSR_9M;
1107 break;
1108 case MGN_12M:
1109 *rate_config |= RRSR_12M;
1110 break;
1111 case MGN_18M:
1112 *rate_config |= RRSR_18M;
1113 break;
1114 case MGN_24M:
1115 *rate_config |= RRSR_24M;
1116 break;
1117 case MGN_36M:
1118 *rate_config |= RRSR_36M;
1119 break;
1120 case MGN_48M:
1121 *rate_config |= RRSR_48M;
1122 break;
1123 case MGN_54M:
1124 *rate_config |= RRSR_54M;
1125 break;
1126 }
1127 }
1128 for (i = 0; i < net->rates_ex_len; i++) {
1129 basic_rate = net->rates_ex[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}
1170
1171
1172#define SHORT_SLOT_TIME 9
1173#define NON_SHORT_SLOT_TIME 20
1174
1175static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1176{
1177 u32 tmp = 0;
1178 struct r8192_priv *priv = ieee80211_priv(dev);
1179 struct ieee80211_network *net = &priv->ieee80211->current_network;
1180
1181 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1182 tmp = priv->basic_rate;
1183 if (priv->short_preamble)
1184 tmp |= BRSR_AckShortPmb;
1185 write_nic_dword(dev, RRSR, tmp);
1186
1187 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1188 u8 slot_time = 0;
1189
1190 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1191 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1192
1193 slot_time = SHORT_SLOT_TIME;
1194 else
1195 slot_time = NON_SHORT_SLOT_TIME;
1196 priv->slot_time = slot_time;
1197 write_nic_byte(dev, SLOT_TIME, slot_time);
1198 }
1199}
1200
1201static void rtl8192_net_update(struct net_device *dev)
1202{
1203 struct r8192_priv *priv = ieee80211_priv(dev);
1204 struct ieee80211_network *net;
1205 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1206 u16 rate_config = 0;
1207
1208 net = &priv->ieee80211->current_network;
1209
1210 rtl8192_config_rate(dev, &rate_config);
1211 priv->basic_rate = rate_config & 0x15f;
1212
1213 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1214 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1215
1216 rtl8192_update_msr(dev);
1217 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1218 write_nic_word(dev, ATIMWND, 2);
1219 write_nic_word(dev, BCN_DMATIME, 1023);
1220 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1221 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1222 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1223 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1224
1225 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1226
1227 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1228 }
1229}
1230
1231
1232
1233
1234void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1235{
1236
1237}
1238
1239short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1240{
1241 struct r8192_priv *priv = ieee80211_priv(dev);
1242 int status;
1243 struct urb *tx_urb;
1244 unsigned int idx_pipe;
1245 tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1246 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1247 u8 queue_index = tcb_desc->queue_index;
1248
1249 atomic_inc(&priv->tx_pending[queue_index]);
1250 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1251 if (!tx_urb) {
1252 dev_kfree_skb(skb);
1253 return -ENOMEM;
1254 }
1255
1256 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1257
1258 pdesc->FirstSeg = 1;
1259 pdesc->LastSeg = 1;
1260 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1261 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1262 pdesc->OWN = 1;
1263 pdesc->LINIP = tcb_desc->bLastIniPkt;
1264
1265
1266
1267
1268
1269 idx_pipe = 0x04;
1270 usb_fill_bulk_urb(tx_urb, priv->udev,
1271 usb_sndbulkpipe(priv->udev, idx_pipe),
1272 skb->data, skb->len, rtl8192_tx_isr, skb);
1273
1274 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1275
1276 if (!status)
1277 return 0;
1278
1279 DMESGE("Error TX CMD URB, error %d", status);
1280 return -1;
1281}
1282
1283
1284
1285
1286
1287
1288
1289
1290static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1291{
1292 u8 QueueSelect = 0x0;
1293
1294 switch (QueueID) {
1295 case BE_QUEUE:
1296 QueueSelect = QSLT_BE;
1297 break;
1298
1299 case BK_QUEUE:
1300 QueueSelect = QSLT_BK;
1301 break;
1302
1303 case VO_QUEUE:
1304 QueueSelect = QSLT_VO;
1305 break;
1306
1307 case VI_QUEUE:
1308 QueueSelect = QSLT_VI;
1309 break;
1310 case MGNT_QUEUE:
1311 QueueSelect = QSLT_MGNT;
1312 break;
1313
1314 case BEACON_QUEUE:
1315 QueueSelect = QSLT_BEACON;
1316 break;
1317
1318
1319
1320 case TXCMD_QUEUE:
1321 QueueSelect = QSLT_CMD;
1322 break;
1323 case HIGH_QUEUE:
1324 QueueSelect = QSLT_HIGH;
1325 break;
1326
1327 default:
1328 RT_TRACE(COMP_ERR,
1329 "TransmitTCB(): Impossible Queue Selection: %d\n",
1330 QueueID);
1331 break;
1332 }
1333 return QueueSelect;
1334}
1335
1336static u8 MRateToHwRate8190Pci(u8 rate)
1337{
1338 u8 ret = DESC90_RATE1M;
1339
1340 switch (rate) {
1341 case MGN_1M:
1342 ret = DESC90_RATE1M;
1343 break;
1344 case MGN_2M:
1345 ret = DESC90_RATE2M;
1346 break;
1347 case MGN_5_5M:
1348 ret = DESC90_RATE5_5M;
1349 break;
1350 case MGN_11M:
1351 ret = DESC90_RATE11M;
1352 break;
1353 case MGN_6M:
1354 ret = DESC90_RATE6M;
1355 break;
1356 case MGN_9M:
1357 ret = DESC90_RATE9M;
1358 break;
1359 case MGN_12M:
1360 ret = DESC90_RATE12M;
1361 break;
1362 case MGN_18M:
1363 ret = DESC90_RATE18M;
1364 break;
1365 case MGN_24M:
1366 ret = DESC90_RATE24M;
1367 break;
1368 case MGN_36M:
1369 ret = DESC90_RATE36M;
1370 break;
1371 case MGN_48M:
1372 ret = DESC90_RATE48M;
1373 break;
1374 case MGN_54M:
1375 ret = DESC90_RATE54M;
1376 break;
1377
1378
1379 case MGN_MCS0:
1380 ret = DESC90_RATEMCS0;
1381 break;
1382 case MGN_MCS1:
1383 ret = DESC90_RATEMCS1;
1384 break;
1385 case MGN_MCS2:
1386 ret = DESC90_RATEMCS2;
1387 break;
1388 case MGN_MCS3:
1389 ret = DESC90_RATEMCS3;
1390 break;
1391 case MGN_MCS4:
1392 ret = DESC90_RATEMCS4;
1393 break;
1394 case MGN_MCS5:
1395 ret = DESC90_RATEMCS5;
1396 break;
1397 case MGN_MCS6:
1398 ret = DESC90_RATEMCS6;
1399 break;
1400 case MGN_MCS7:
1401 ret = DESC90_RATEMCS7;
1402 break;
1403 case MGN_MCS8:
1404 ret = DESC90_RATEMCS8;
1405 break;
1406 case MGN_MCS9:
1407 ret = DESC90_RATEMCS9;
1408 break;
1409 case MGN_MCS10:
1410 ret = DESC90_RATEMCS10;
1411 break;
1412 case MGN_MCS11:
1413 ret = DESC90_RATEMCS11;
1414 break;
1415 case MGN_MCS12:
1416 ret = DESC90_RATEMCS12;
1417 break;
1418 case MGN_MCS13:
1419 ret = DESC90_RATEMCS13;
1420 break;
1421 case MGN_MCS14:
1422 ret = DESC90_RATEMCS14;
1423 break;
1424 case MGN_MCS15:
1425 ret = DESC90_RATEMCS15;
1426 break;
1427 case (0x80 | 0x20):
1428 ret = DESC90_RATEMCS32;
1429 break;
1430
1431 default:
1432 break;
1433 }
1434 return ret;
1435}
1436
1437
1438static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1439{
1440 u8 tmp_Short;
1441
1442 tmp_Short = (TxHT == 1) ?
1443 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1444 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1445
1446 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1447 tmp_Short = 0;
1448
1449 return tmp_Short;
1450}
1451
1452static void tx_zero_isr(struct urb *tx_urb)
1453{
1454}
1455
1456
1457
1458
1459
1460
1461short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1462{
1463 struct r8192_priv *priv = ieee80211_priv(dev);
1464 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1465 tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1466 tx_fwinfo_819x_usb *tx_fwinfo =
1467 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1468 struct usb_device *udev = priv->udev;
1469 int pend;
1470 int status;
1471 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1472 unsigned int idx_pipe;
1473
1474 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1475
1476
1477
1478
1479 if (pend > MAX_TX_URB) {
1480 netdev_dbg(dev, "To discard skb packet!\n");
1481 dev_kfree_skb_any(skb);
1482 return -1;
1483 }
1484
1485 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1486 if (!tx_urb) {
1487 dev_kfree_skb_any(skb);
1488 return -ENOMEM;
1489 }
1490
1491
1492 memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1493
1494 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1495 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1496 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1497 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1498 tcb_desc);
1499 if (tcb_desc->bAMPDUEnable) {
1500 tx_fwinfo->AllowAggregation = 1;
1501
1502 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1503 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1504 } else {
1505 tx_fwinfo->AllowAggregation = 0;
1506
1507 tx_fwinfo->RxMF = 0;
1508 tx_fwinfo->RxAMD = 0;
1509 }
1510
1511
1512 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1513 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1514 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1515 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1516 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1517 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1518 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1519 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1520 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1521
1522
1523 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1524 if (tcb_desc->bPacketBW) {
1525 tx_fwinfo->TxBandwidth = 1;
1526
1527 tx_fwinfo->TxSubCarrier = 0;
1528 } else {
1529 tx_fwinfo->TxBandwidth = 0;
1530 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1531 }
1532 } else {
1533 tx_fwinfo->TxBandwidth = 0;
1534 tx_fwinfo->TxSubCarrier = 0;
1535 }
1536
1537
1538 memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1539
1540 tx_desc->LINIP = 0;
1541 tx_desc->CmdInit = 1;
1542 tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
1543 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1544
1545
1546 tx_desc->SecCAMID = 0;
1547 tx_desc->RATid = tcb_desc->RATRIndex;
1548 tx_desc->NoEnc = 1;
1549 tx_desc->SecType = 0x0;
1550 if (tcb_desc->bHwSec) {
1551 switch (priv->ieee80211->pairwise_key_type) {
1552 case KEY_TYPE_WEP40:
1553 case KEY_TYPE_WEP104:
1554 tx_desc->SecType = 0x1;
1555 tx_desc->NoEnc = 0;
1556 break;
1557 case KEY_TYPE_TKIP:
1558 tx_desc->SecType = 0x2;
1559 tx_desc->NoEnc = 0;
1560 break;
1561 case KEY_TYPE_CCMP:
1562 tx_desc->SecType = 0x3;
1563 tx_desc->NoEnc = 0;
1564 break;
1565 case KEY_TYPE_NA:
1566 tx_desc->SecType = 0x0;
1567 tx_desc->NoEnc = 1;
1568 break;
1569 }
1570 }
1571
1572 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1573 tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
1574
1575 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1576 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1577
1578
1579
1580
1581
1582 tx_desc->FirstSeg = 1;
1583 tx_desc->LastSeg = 1;
1584 tx_desc->OWN = 1;
1585
1586
1587 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1588 idx_pipe = 0x5;
1589
1590
1591 usb_fill_bulk_urb(tx_urb, udev,
1592 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1593 skb->len, rtl8192_tx_isr, skb);
1594
1595 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1596 if (!status) {
1597
1598
1599
1600
1601
1602 bool bSend0Byte = false;
1603 u8 zero = 0;
1604
1605 if (udev->speed == USB_SPEED_HIGH) {
1606 if (skb->len > 0 && skb->len % 512 == 0)
1607 bSend0Byte = true;
1608 } else {
1609 if (skb->len > 0 && skb->len % 64 == 0)
1610 bSend0Byte = true;
1611 }
1612 if (bSend0Byte) {
1613 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1614 if (!tx_urb_zero)
1615 return -ENOMEM;
1616 usb_fill_bulk_urb(tx_urb_zero, udev,
1617 usb_sndbulkpipe(udev, idx_pipe),
1618 &zero, 0, tx_zero_isr, dev);
1619 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1620 if (status) {
1621 RT_TRACE(COMP_ERR,
1622 "Error TX URB for zero byte %d, error %d",
1623 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1624 status);
1625 return -1;
1626 }
1627 }
1628 netif_trans_update(dev);
1629 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1630 return 0;
1631 }
1632
1633 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1634 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1635 status);
1636 return -1;
1637}
1638
1639static short rtl8192_usb_initendpoints(struct net_device *dev)
1640{
1641 struct r8192_priv *priv = ieee80211_priv(dev);
1642
1643 priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1644 GFP_KERNEL);
1645 if (!priv->rx_urb)
1646 return -ENOMEM;
1647
1648#ifndef JACKSON_NEW_RX
1649 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1650 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1651 if (!priv->rx_urb[i])
1652 return -ENOMEM;
1653
1654 priv->rx_urb[i]->transfer_buffer =
1655 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1656 if (!priv->rx_urb[i]->transfer_buffer)
1657 return -ENOMEM;
1658
1659 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1660 }
1661#endif
1662
1663#ifdef THOMAS_BEACON
1664 {
1665 long align = 0;
1666 void *oldaddr, *newaddr;
1667
1668 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1669 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1670 if (!priv->oldaddr)
1671 return -ENOMEM;
1672 oldaddr = priv->oldaddr;
1673 align = ((long)oldaddr) & 3;
1674 if (align) {
1675 newaddr = oldaddr + 4 - align;
1676 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1677 } else {
1678 newaddr = oldaddr;
1679 priv->rx_urb[16]->transfer_buffer_length = 16;
1680 }
1681 priv->rx_urb[16]->transfer_buffer = newaddr;
1682 }
1683#endif
1684
1685 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1686 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1687 GFP_KERNEL);
1688 if (!priv->pp_rxskb) {
1689 kfree(priv->rx_urb);
1690
1691 priv->pp_rxskb = NULL;
1692 priv->rx_urb = NULL;
1693
1694 DMESGE("Endpoint Alloc Failure");
1695 return -ENOMEM;
1696 }
1697
1698 netdev_dbg(dev, "End of initendpoints\n");
1699 return 0;
1700}
1701
1702#ifdef THOMAS_BEACON
1703static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1704{
1705 int i;
1706 struct r8192_priv *priv = ieee80211_priv(dev);
1707
1708 if (priv->rx_urb) {
1709 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1710 usb_kill_urb(priv->rx_urb[i]);
1711 usb_free_urb(priv->rx_urb[i]);
1712 }
1713 kfree(priv->rx_urb);
1714 priv->rx_urb = NULL;
1715 }
1716 kfree(priv->oldaddr);
1717 priv->oldaddr = NULL;
1718
1719 kfree(priv->pp_rxskb);
1720 priv->pp_rxskb = NULL;
1721}
1722#else
1723void rtl8192_usb_deleteendpoints(struct net_device *dev)
1724{
1725 int i;
1726 struct r8192_priv *priv = ieee80211_priv(dev);
1727
1728#ifndef JACKSON_NEW_RX
1729
1730 if (priv->rx_urb) {
1731 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1732 usb_kill_urb(priv->rx_urb[i]);
1733 kfree(priv->rx_urb[i]->transfer_buffer);
1734 usb_free_urb(priv->rx_urb[i]);
1735 }
1736 kfree(priv->rx_urb);
1737 priv->rx_urb = NULL;
1738 }
1739#else
1740 kfree(priv->rx_urb);
1741 priv->rx_urb = NULL;
1742 kfree(priv->oldaddr);
1743 priv->oldaddr = NULL;
1744
1745 kfree(priv->pp_rxskb);
1746 priv->pp_rxskb = 0;
1747
1748#endif
1749}
1750#endif
1751
1752static void rtl8192_update_ratr_table(struct net_device *dev);
1753static void rtl8192_link_change(struct net_device *dev)
1754{
1755 struct r8192_priv *priv = ieee80211_priv(dev);
1756 struct ieee80211_device *ieee = priv->ieee80211;
1757
1758 if (ieee->state == IEEE80211_LINKED) {
1759 rtl8192_net_update(dev);
1760 rtl8192_update_ratr_table(dev);
1761
1762
1763
1764
1765 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1766 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1767 EnableHWSecurityConfig8192(dev);
1768 }
1769
1770 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1771 u32 reg = 0;
1772
1773 read_nic_dword(dev, RCR, ®);
1774 if (priv->ieee80211->state == IEEE80211_LINKED)
1775 priv->ReceiveConfig = reg |= RCR_CBSSID;
1776 else
1777 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1778 write_nic_dword(dev, RCR, reg);
1779 }
1780}
1781
1782static const struct ieee80211_qos_parameters def_qos_parameters = {
1783 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1784 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1785 {2, 2, 2, 2},
1786 {0, 0, 0, 0},
1787 {0, 0, 0, 0}
1788};
1789
1790
1791static void rtl8192_update_beacon(struct work_struct *work)
1792{
1793 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1794 update_beacon_wq.work);
1795 struct net_device *dev = priv->ieee80211->dev;
1796 struct ieee80211_device *ieee = priv->ieee80211;
1797 struct ieee80211_network *net = &ieee->current_network;
1798
1799 if (ieee->pHTInfo->bCurrentHTSupport)
1800 HTUpdateSelfAndPeerSetting(ieee, net);
1801 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1802 net->bssht.bdRT2RTLongSlotTime;
1803 rtl8192_update_cap(dev, net->capability);
1804}
1805
1806
1807
1808
1809static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1810 EDCAPARA_VI, EDCAPARA_VO};
1811static void rtl8192_qos_activate(struct work_struct *work)
1812{
1813 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1814 qos_activate);
1815 struct net_device *dev = priv->ieee80211->dev;
1816 struct ieee80211_qos_parameters *qos_parameters =
1817 &priv->ieee80211->current_network.qos_data.parameters;
1818 u8 mode = priv->ieee80211->current_network.mode;
1819 u32 u1bAIFS;
1820 u32 u4bAcParam;
1821 u32 op_limit;
1822 u32 cw_max;
1823 u32 cw_min;
1824 int i;
1825
1826 mutex_lock(&priv->mutex);
1827 if (priv->ieee80211->state != IEEE80211_LINKED)
1828 goto success;
1829 RT_TRACE(COMP_QOS,
1830 "qos active process with associate response received\n");
1831
1832
1833
1834
1835
1836
1837
1838 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1839
1840 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1841 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1842 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1843 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1844 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1845 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1846 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1847 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1848 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1849 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1850 }
1851
1852success:
1853 mutex_unlock(&priv->mutex);
1854}
1855
1856static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1857 int active_network,
1858 struct ieee80211_network *network)
1859{
1860 int ret = 0;
1861 u32 size = sizeof(struct ieee80211_qos_parameters);
1862
1863 if (priv->ieee80211->state != IEEE80211_LINKED)
1864 return ret;
1865
1866 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1867 return ret;
1868
1869 if (network->flags & NETWORK_HAS_QOS_MASK) {
1870 if (active_network &&
1871 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1872 network->qos_data.active = network->qos_data.supported;
1873
1874 if ((network->qos_data.active == 1) && (active_network == 1) &&
1875 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1876 (network->qos_data.old_param_count !=
1877 network->qos_data.param_count)) {
1878 network->qos_data.old_param_count =
1879 network->qos_data.param_count;
1880 schedule_work(&priv->qos_activate);
1881 RT_TRACE(COMP_QOS,
1882 "QoS parameters change call qos_activate\n");
1883 }
1884 } else {
1885 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1886 &def_qos_parameters, size);
1887
1888 if ((network->qos_data.active == 1) && (active_network == 1)) {
1889 schedule_work(&priv->qos_activate);
1890 RT_TRACE(COMP_QOS,
1891 "QoS was disabled call qos_activate\n");
1892 }
1893 network->qos_data.active = 0;
1894 network->qos_data.supported = 0;
1895 }
1896
1897 return 0;
1898}
1899
1900
1901static int rtl8192_handle_beacon(struct net_device *dev,
1902 struct ieee80211_beacon *beacon,
1903 struct ieee80211_network *network)
1904{
1905 struct r8192_priv *priv = ieee80211_priv(dev);
1906
1907 rtl8192_qos_handle_probe_response(priv, 1, network);
1908 schedule_delayed_work(&priv->update_beacon_wq, 0);
1909 return 0;
1910}
1911
1912
1913
1914
1915
1916
1917static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1918 struct ieee80211_network *network)
1919{
1920 unsigned long flags;
1921 u32 size = sizeof(struct ieee80211_qos_parameters);
1922 int set_qos_param = 0;
1923
1924 if (!priv || !network)
1925 return 0;
1926
1927 if (priv->ieee80211->state != IEEE80211_LINKED)
1928 return 0;
1929
1930 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1931 return 0;
1932
1933 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1934 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1935 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1936 &network->qos_data.parameters,
1937 sizeof(struct ieee80211_qos_parameters));
1938 priv->ieee80211->current_network.qos_data.active = 1;
1939 set_qos_param = 1;
1940
1941 priv->ieee80211->current_network.qos_data.old_param_count =
1942 priv->ieee80211->current_network.qos_data.param_count;
1943 priv->ieee80211->current_network.qos_data.param_count =
1944 network->qos_data.param_count;
1945 } else {
1946 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1947 &def_qos_parameters, size);
1948 priv->ieee80211->current_network.qos_data.active = 0;
1949 priv->ieee80211->current_network.qos_data.supported = 0;
1950 set_qos_param = 1;
1951 }
1952
1953 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1954
1955 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1956 network->flags,
1957 priv->ieee80211->current_network.qos_data.active);
1958 if (set_qos_param == 1)
1959 schedule_work(&priv->qos_activate);
1960
1961
1962 return 0;
1963}
1964
1965
1966static int rtl8192_handle_assoc_response(
1967 struct net_device *dev,
1968 struct ieee80211_assoc_response_frame *resp,
1969 struct ieee80211_network *network)
1970{
1971 struct r8192_priv *priv = ieee80211_priv(dev);
1972
1973 rtl8192_qos_association_resp(priv, network);
1974 return 0;
1975}
1976
1977
1978static void rtl8192_update_ratr_table(struct net_device *dev)
1979{
1980 struct r8192_priv *priv = ieee80211_priv(dev);
1981 struct ieee80211_device *ieee = priv->ieee80211;
1982 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1983 u32 ratr_value = 0;
1984 u8 rate_index = 0;
1985
1986 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1987 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1988 switch (ieee->mode) {
1989 case IEEE_A:
1990 ratr_value &= 0x00000FF0;
1991 break;
1992 case IEEE_B:
1993 ratr_value &= 0x0000000F;
1994 break;
1995 case IEEE_G:
1996 ratr_value &= 0x00000FF7;
1997 break;
1998 case IEEE_N_24G:
1999 case IEEE_N_5G:
2000 if (ieee->pHTInfo->PeerMimoPs == 0) {
2001 ratr_value &= 0x0007F007;
2002 } else {
2003 if (priv->rf_type == RF_1T2R)
2004 ratr_value &= 0x000FF007;
2005 else
2006 ratr_value &= 0x0F81F007;
2007 }
2008 break;
2009 default:
2010 break;
2011 }
2012 ratr_value &= 0x0FFFFFFF;
2013 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2014 ratr_value |= 0x80000000;
2015 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2016 ieee->pHTInfo->bCurShortGI20MHz)
2017 ratr_value |= 0x80000000;
2018 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2019 write_nic_byte(dev, UFWP, 1);
2020}
2021
2022static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2023static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2024static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2025{
2026 struct r8192_priv *priv = ieee80211_priv(dev);
2027 struct ieee80211_device *ieee = priv->ieee80211;
2028 struct ieee80211_network *network = &ieee->current_network;
2029 int wpa_ie_len = ieee->wpa_ie_len;
2030 struct ieee80211_crypt_data *crypt;
2031 int encrypt;
2032
2033 crypt = ieee->crypt[ieee->tx_keyidx];
2034
2035
2036
2037 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2038 (ieee->host_encrypt && crypt && crypt->ops &&
2039 (strcmp(crypt->ops->name, "WEP") == 0));
2040
2041
2042 if (encrypt && (wpa_ie_len == 0)) {
2043
2044 return false;
2045 } else if ((wpa_ie_len != 0)) {
2046
2047 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))))
2048 return true;
2049 else
2050 return false;
2051 } else {
2052 return true;
2053 }
2054
2055 return true;
2056}
2057
2058static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2059{
2060 struct r8192_priv *priv = ieee80211_priv(dev);
2061
2062 return priv->ieee80211->bHalfWirelessN24GMode;
2063}
2064
2065static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2066{
2067 struct ieee80211_device *ieee = priv->ieee80211;
2068
2069
2070
2071 if (ieee->mode == WIRELESS_MODE_N_24G ||
2072 ieee->mode == WIRELESS_MODE_N_5G)
2073 memcpy(ieee->Regdot11HTOperationalRateSet,
2074 ieee->RegHTSuppRateSet, 16);
2075 else
2076 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2077}
2078
2079static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2080{
2081 struct r8192_priv *priv = ieee80211_priv(dev);
2082 u8 ret = 0;
2083
2084 switch (priv->rf_chip) {
2085 case RF_8225:
2086 case RF_8256:
2087 case RF_PSEUDO_11N:
2088 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2089 break;
2090 case RF_8258:
2091 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2092 break;
2093 default:
2094 ret = WIRELESS_MODE_B;
2095 break;
2096 }
2097 return ret;
2098}
2099
2100static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2101{
2102 struct r8192_priv *priv = ieee80211_priv(dev);
2103 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2104
2105 if (wireless_mode == WIRELESS_MODE_AUTO ||
2106 (wireless_mode & bSupportMode) == 0) {
2107 if (bSupportMode & WIRELESS_MODE_N_24G) {
2108 wireless_mode = WIRELESS_MODE_N_24G;
2109 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2110 wireless_mode = WIRELESS_MODE_N_5G;
2111 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2112 wireless_mode = WIRELESS_MODE_A;
2113 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2114 wireless_mode = WIRELESS_MODE_G;
2115 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2116 wireless_mode = WIRELESS_MODE_B;
2117 } else {
2118 RT_TRACE(COMP_ERR,
2119 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2120 __func__, bSupportMode);
2121 wireless_mode = WIRELESS_MODE_B;
2122 }
2123 }
2124#ifdef TO_DO_LIST
2125
2126
2127
2128 ActUpdateChannelAccessSetting(
2129 pAdapter, pHalData->CurrentWirelessMode,
2130 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2131#endif
2132 priv->ieee80211->mode = wireless_mode;
2133
2134 if (wireless_mode == WIRELESS_MODE_N_24G ||
2135 wireless_mode == WIRELESS_MODE_N_5G)
2136 priv->ieee80211->pHTInfo->bEnableHT = 1;
2137 else
2138 priv->ieee80211->pHTInfo->bEnableHT = 0;
2139 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2140 rtl8192_refresh_supportrate(priv);
2141}
2142
2143
2144static void rtl8192_init_priv_variable(struct net_device *dev)
2145{
2146 struct r8192_priv *priv = ieee80211_priv(dev);
2147 u8 i;
2148
2149 priv->card_8192 = NIC_8192U;
2150 priv->chan = 1;
2151 priv->ieee80211->mode = WIRELESS_MODE_AUTO;
2152 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2153 priv->ieee80211->ieee_up = 0;
2154 priv->retry_rts = DEFAULT_RETRY_RTS;
2155 priv->retry_data = DEFAULT_RETRY_DATA;
2156 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2157 priv->ieee80211->rate = 110;
2158 priv->ieee80211->short_slot = 1;
2159 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2160 priv->CckPwEnl = 6;
2161
2162 priv->IrpPendingCount = 1;
2163 priv->ResetProgress = RESET_TYPE_NORESET;
2164 priv->bForcedSilentReset = false;
2165 priv->bDisableNormalResetCheck = false;
2166 priv->force_reset = false;
2167
2168
2169 priv->ieee80211->FwRWRF = 0;
2170 priv->ieee80211->current_network.beacon_interval =
2171 DEFAULT_BEACONINTERVAL;
2172 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2173 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2174 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2175 IEEE_SOFTMAC_BEACONS;
2176
2177 priv->ieee80211->active_scan = 1;
2178 priv->ieee80211->modulation =
2179 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2180 priv->ieee80211->host_encrypt = 1;
2181 priv->ieee80211->host_decrypt = 1;
2182 priv->ieee80211->start_send_beacons = NULL;
2183 priv->ieee80211->stop_send_beacons = NULL;
2184 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2185 priv->ieee80211->set_chan = rtl8192_set_chan;
2186 priv->ieee80211->link_change = rtl8192_link_change;
2187 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2188 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2189 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2190 priv->ieee80211->init_wmmparam_flag = 0;
2191 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2192 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2193 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2194 priv->ieee80211->qos_support = 1;
2195
2196 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2197 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2198 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2199
2200 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2201 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2202 GetHalfNmodeSupportByAPs819xUsb;
2203 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2204
2205 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2206 priv->card_type = USB;
2207#ifdef TO_DO_LIST
2208 if (Adapter->bInHctTest) {
2209 pHalData->ShortRetryLimit = 7;
2210 pHalData->LongRetryLimit = 7;
2211 }
2212#endif
2213 priv->ShortRetryLimit = 0x30;
2214 priv->LongRetryLimit = 0x30;
2215 priv->EarlyRxThreshold = 7;
2216 priv->enable_gpio0 = 0;
2217 priv->TransmitConfig =
2218
2219 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2220
2221 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2222
2223 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2224
2225
2226
2227 (false ? TCR_SAT : 0);
2228#ifdef TO_DO_LIST
2229 if (Adapter->bInHctTest)
2230 pHalData->ReceiveConfig =
2231 pHalData->CSMethod |
2232
2233 RCR_AMF | RCR_ADF |
2234
2235
2236
2237 RCR_ACF |
2238
2239 RCR_AB | RCR_AM | RCR_APM |
2240
2241
2242
2243 RCR_AICV | RCR_ACRC32 |
2244
2245
2246
2247 ((u32)7 << RCR_MXDMA_OFFSET) |
2248
2249
2250
2251 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2252 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2253 else
2254
2255#endif
2256 priv->ReceiveConfig =
2257
2258 RCR_AMF | RCR_ADF |
2259
2260 RCR_ACF |
2261
2262 RCR_AB | RCR_AM | RCR_APM |
2263
2264 ((u32)7 << RCR_MXDMA_OFFSET) |
2265
2266 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2267 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2268
2269 priv->AcmControl = 0;
2270 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2271
2272
2273 skb_queue_head_init(&priv->rx_queue);
2274 skb_queue_head_init(&priv->skb_queue);
2275
2276
2277 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2278 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2279 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2280 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2281 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2282 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2283 priv->rf_set_chan = rtl8192_phy_SwChnl;
2284}
2285
2286
2287static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2288{
2289 spin_lock_init(&priv->tx_lock);
2290 spin_lock_init(&priv->irq_lock);
2291 mutex_init(&priv->wx_mutex);
2292 mutex_init(&priv->mutex);
2293}
2294
2295static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2296
2297static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2298
2299#define DRV_NAME "wlan0"
2300static void rtl8192_init_priv_task(struct net_device *dev)
2301{
2302 struct r8192_priv *priv = ieee80211_priv(dev);
2303
2304
2305 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2306
2307 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2308 rtl819x_watchdog_wqcallback);
2309 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2310 dm_txpower_trackingcallback);
2311 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2312 dm_rf_pathcheck_workitemcallback);
2313 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2314 rtl8192_update_beacon);
2315 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2316 InitialGainOperateWorkItemCallBack);
2317 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2318
2319 tasklet_init(&priv->irq_rx_tasklet,
2320 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2321 (unsigned long)priv);
2322}
2323
2324static void rtl8192_get_eeprom_size(struct net_device *dev)
2325{
2326 u16 curCR = 0;
2327 struct r8192_priv *priv = ieee80211_priv(dev);
2328
2329 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2330 read_nic_word_E(dev, EPROM_CMD, &curCR);
2331 RT_TRACE(COMP_EPROM,
2332 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2333
2334 priv->epromtype =
2335 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2336 RT_TRACE(COMP_EPROM,
2337 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2338}
2339
2340
2341
2342
2343static inline u16 endian_swap(u16 *data)
2344{
2345 u16 tmp = *data;
2346 *data = (tmp >> 8) | (tmp << 8);
2347 return *data;
2348}
2349
2350static int rtl8192_read_eeprom_info(struct net_device *dev)
2351{
2352 u16 wEPROM_ID = 0;
2353 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2354 u8 bLoad_From_EEPOM = false;
2355 struct r8192_priv *priv = ieee80211_priv(dev);
2356 u16 tmpValue = 0;
2357 int i;
2358 int ret;
2359
2360 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2361 ret = eprom_read(dev, 0);
2362 if (ret < 0)
2363 return ret;
2364 wEPROM_ID = (u16)ret;
2365 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2366
2367 if (wEPROM_ID != RTL8190_EEPROM_ID)
2368 RT_TRACE(COMP_ERR,
2369 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2370 wEPROM_ID, RTL8190_EEPROM_ID);
2371 else
2372 bLoad_From_EEPOM = true;
2373
2374 if (bLoad_From_EEPOM) {
2375 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2376 ret = eprom_read(dev, EEPROM_VID >> 1);
2377 if (ret < 0)
2378 return ret;
2379 tmpValue = (u16)ret;
2380 priv->eeprom_vid = endian_swap(&tmpValue);
2381 ret = eprom_read(dev, EEPROM_PID >> 1);
2382 if (ret < 0)
2383 return ret;
2384 priv->eeprom_pid = (u16)ret;
2385 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2386 if (ret < 0)
2387 return ret;
2388 tmpValue = (u16)ret;
2389 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2390 priv->btxpowerdata_readfromEEPORM = true;
2391 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2392 if (ret < 0)
2393 return ret;
2394 priv->eeprom_CustomerID = (u16)ret;
2395 } else {
2396 priv->eeprom_vid = 0;
2397 priv->eeprom_pid = 0;
2398 priv->card_8192_version = VERSION_819xU_B;
2399 priv->eeprom_ChannelPlan = 0;
2400 priv->eeprom_CustomerID = 0;
2401 }
2402 RT_TRACE(COMP_EPROM,
2403 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2404 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2405 priv->eeprom_ChannelPlan);
2406
2407 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2408 if (bLoad_From_EEPOM) {
2409 int i;
2410
2411 for (i = 0; i < 6; i += 2) {
2412 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2413 if (ret < 0)
2414 return ret;
2415 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2416 }
2417 } else {
2418 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2419
2420 }
2421 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2422 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2423 priv->rf_chip = RF_8256;
2424
2425 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2426
2427 if (bLoad_From_EEPOM) {
2428 ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2429 if (ret < 0)
2430 return ret;
2431 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2432 } else
2433 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2434 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2435
2436 if (bLoad_From_EEPOM) {
2437 ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2438 if (ret < 0)
2439 return ret;
2440 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2441 } else
2442 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2443 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2444
2445 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2446
2447 if (bLoad_From_EEPOM) {
2448 ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2449 if (ret < 0)
2450 return ret;
2451 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2452 } else
2453 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2454 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2455
2456 if (bLoad_From_EEPOM) {
2457 ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2458 if (ret < 0)
2459 return ret;
2460 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2461 } else
2462 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2463 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2464
2465 if (bLoad_From_EEPOM) {
2466 ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2467 if (ret < 0)
2468 return ret;
2469 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2470 } else
2471 priv->EEPROM_Def_Ver = 1;
2472 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2473 if (priv->EEPROM_Def_Ver == 0) {
2474 int i;
2475
2476 if (bLoad_From_EEPOM) {
2477 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2478 if (ret < 0)
2479 return ret;
2480 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2481 } else
2482 priv->EEPROMTxPowerLevelCCK = 0x10;
2483 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2484 for (i = 0; i < 3; i++) {
2485 if (bLoad_From_EEPOM) {
2486 ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2487 if (ret < 0)
2488 return ret;
2489 if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2490 tmpValue = (u16)ret & 0x00ff;
2491 else
2492 tmpValue = ((u16)ret & 0xff00) >> 8;
2493 } else {
2494 tmpValue = 0x10;
2495 }
2496 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2497 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2498 }
2499 } else if (priv->EEPROM_Def_Ver == 1) {
2500 if (bLoad_From_EEPOM) {
2501 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2502 if (ret < 0)
2503 return ret;
2504 tmpValue = ((u16)ret & 0xff00) >> 8;
2505 } else {
2506 tmpValue = 0x10;
2507 }
2508 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2509
2510 if (bLoad_From_EEPOM) {
2511 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2512 if (ret < 0)
2513 return ret;
2514 tmpValue = (u16)ret;
2515 } else
2516 tmpValue = 0x1010;
2517 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2518 if (bLoad_From_EEPOM)
2519 tmpValue = eprom_read(dev,
2520 EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2521 else
2522 tmpValue = 0x1010;
2523 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2524 if (bLoad_From_EEPOM)
2525 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2526 else
2527 tmpValue = 0x10;
2528 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2529 }
2530
2531
2532 for (i = 0; i < 14; i++) {
2533 if (i <= 3)
2534 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2535 else if (i >= 4 && i <= 9)
2536 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2537 else
2538 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2539 }
2540
2541 for (i = 0; i < 14; i++) {
2542 if (priv->EEPROM_Def_Ver == 0) {
2543 if (i <= 3)
2544 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2545 else if (i >= 4 && i <= 9)
2546 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2547 else
2548 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2549 } else if (priv->EEPROM_Def_Ver == 1) {
2550 if (i <= 3)
2551 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2552 else if (i >= 4 && i <= 9)
2553 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2554 else
2555 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2556 }
2557 }
2558 priv->TxPowerDiff = priv->EEPROMPwDiff;
2559
2560 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2561
2562 priv->AntennaTxPwDiff[1] =
2563 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2564
2565 priv->CrystalCap = priv->EEPROMCrystalCap;
2566
2567
2568
2569 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2570 }
2571
2572
2573 switch (priv->eeprom_CustomerID) {
2574 case EEPROM_CID_RUNTOP:
2575 priv->CustomerID = RT_CID_819x_RUNTOP;
2576 break;
2577
2578 case EEPROM_CID_DLINK:
2579 priv->CustomerID = RT_CID_DLINK;
2580 break;
2581
2582 default:
2583 priv->CustomerID = RT_CID_DEFAULT;
2584 break;
2585 }
2586
2587 switch (priv->CustomerID) {
2588 case RT_CID_819x_RUNTOP:
2589 priv->LedStrategy = SW_LED_MODE2;
2590 break;
2591
2592 case RT_CID_DLINK:
2593 priv->LedStrategy = SW_LED_MODE4;
2594 break;
2595
2596 default:
2597 priv->LedStrategy = SW_LED_MODE0;
2598 break;
2599 }
2600
2601
2602 if (priv->rf_type == RF_1T2R)
2603 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2604 else
2605 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2606
2607
2608
2609
2610 init_rate_adaptive(dev);
2611
2612 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2613
2614 return 0;
2615}
2616
2617static short rtl8192_get_channel_map(struct net_device *dev)
2618{
2619 struct r8192_priv *priv = ieee80211_priv(dev);
2620
2621 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2622 netdev_err(dev,
2623 "rtl8180_init: Error channel plan! Set to default.\n");
2624 priv->ChannelPlan = 0;
2625 }
2626 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2627
2628 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2629 return 0;
2630}
2631
2632static short rtl8192_init(struct net_device *dev)
2633{
2634 struct r8192_priv *priv = ieee80211_priv(dev);
2635 int err;
2636
2637 memset(&(priv->stats), 0, sizeof(struct Stats));
2638 memset(priv->txqueue_to_outpipemap, 0, 9);
2639#ifdef PIPE12
2640 {
2641 int i = 0;
2642 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2643
2644 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2645 }
2646#else
2647 {
2648 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2649
2650 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2651 }
2652#endif
2653 rtl8192_init_priv_variable(dev);
2654 rtl8192_init_priv_lock(priv);
2655 rtl8192_init_priv_task(dev);
2656 rtl8192_get_eeprom_size(dev);
2657 err = rtl8192_read_eeprom_info(dev);
2658 if (err) {
2659 DMESG("Reading EEPROM info failed");
2660 return err;
2661 }
2662 rtl8192_get_channel_map(dev);
2663 init_hal_dm(dev);
2664 timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2665 if (rtl8192_usb_initendpoints(dev) != 0) {
2666 DMESG("Endopoints initialization failed");
2667 return -ENOMEM;
2668 }
2669
2670 return 0;
2671}
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681static void rtl8192_hwconfig(struct net_device *dev)
2682{
2683 u32 regRATR = 0, regRRSR = 0;
2684 u8 regBwOpMode = 0, regTmp = 0;
2685 struct r8192_priv *priv = ieee80211_priv(dev);
2686 u32 ratr_value = 0;
2687
2688
2689 switch (priv->ieee80211->mode) {
2690 case WIRELESS_MODE_B:
2691 regBwOpMode = BW_OPMODE_20MHZ;
2692 regRATR = RATE_ALL_CCK;
2693 regRRSR = RATE_ALL_CCK;
2694 break;
2695 case WIRELESS_MODE_A:
2696 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2697 regRATR = RATE_ALL_OFDM_AG;
2698 regRRSR = RATE_ALL_OFDM_AG;
2699 break;
2700 case WIRELESS_MODE_G:
2701 regBwOpMode = BW_OPMODE_20MHZ;
2702 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2703 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2704 break;
2705 case WIRELESS_MODE_AUTO:
2706#ifdef TO_DO_LIST
2707 if (Adapter->bInHctTest) {
2708 regBwOpMode = BW_OPMODE_20MHZ;
2709 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2710 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2711 } else
2712#endif
2713 {
2714 regBwOpMode = BW_OPMODE_20MHZ;
2715 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2716 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2717 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2718 }
2719 break;
2720 case WIRELESS_MODE_N_24G:
2721
2722
2723
2724 regBwOpMode = BW_OPMODE_20MHZ;
2725 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2726 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2727 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2728 break;
2729 case WIRELESS_MODE_N_5G:
2730 regBwOpMode = BW_OPMODE_5G;
2731 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2732 RATE_ALL_OFDM_2SS;
2733 regRRSR = RATE_ALL_OFDM_AG;
2734 break;
2735 }
2736
2737 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2738 ratr_value = regRATR;
2739 if (priv->rf_type == RF_1T2R)
2740 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2741 write_nic_dword(dev, RATR0, ratr_value);
2742 write_nic_byte(dev, UFWP, 1);
2743 read_nic_byte(dev, 0x313, ®Tmp);
2744 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2745 write_nic_dword(dev, RRSR, regRRSR);
2746
2747
2748 write_nic_word(dev, RETRY_LIMIT,
2749 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2750 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2751
2752
2753
2754
2755
2756
2757
2758}
2759
2760
2761
2762static bool rtl8192_adapter_start(struct net_device *dev)
2763{
2764 struct r8192_priv *priv = ieee80211_priv(dev);
2765 u32 dwRegRead = 0;
2766 bool init_status = true;
2767 u8 SECR_value = 0x0;
2768 u8 tmp;
2769
2770 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2771 priv->Rf_Mode = RF_OP_By_SW_3wire;
2772
2773 write_nic_byte_E(dev, 0x5f, 0x80);
2774 mdelay(50);
2775 write_nic_byte_E(dev, 0x5f, 0xf0);
2776 write_nic_byte_E(dev, 0x5d, 0x00);
2777 write_nic_byte_E(dev, 0x5e, 0x80);
2778 write_nic_byte(dev, 0x17, 0x37);
2779 mdelay(10);
2780 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2781
2782
2783 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2784 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2785 dwRegRead |= CPU_GEN_SYSTEM_RESET;
2786 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2787 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2788 else
2789 RT_TRACE(COMP_ERR,
2790 "ERROR in %s(): undefined firmware state(%d)\n",
2791 __func__, priv->pFirmware->firmware_status);
2792
2793 write_nic_dword(dev, CPU_GEN, dwRegRead);
2794
2795 rtl8192_BBConfig(dev);
2796
2797
2798 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2799
2800 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2801 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2802 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2803 CPU_GEN_NO_LOOPBACK_SET;
2804 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2805 dwRegRead |= CPU_CCK_LOOPBACK;
2806 else
2807 RT_TRACE(COMP_ERR,
2808 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2809 __func__, priv->LoopbackMode);
2810
2811 write_nic_dword(dev, CPU_GEN, dwRegRead);
2812
2813
2814 udelay(500);
2815
2816
2817 read_nic_byte_E(dev, 0x5f, &tmp);
2818 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2819
2820
2821 rtl8192_hwconfig(dev);
2822
2823
2824 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2825
2826
2827 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2828 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2829
2830
2831 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2832
2833
2834 write_nic_dword(dev, RQPN1,
2835 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2836 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2837 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2838 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2839 write_nic_dword(dev, RQPN2,
2840 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2841 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2842 write_nic_dword(dev, RQPN3,
2843 APPLIED_RESERVED_QUEUE_IN_FW |
2844 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2845 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2846
2847
2848
2849 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2850
2851 if (priv->ResetProgress == RESET_TYPE_NORESET)
2852 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2853 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2854 CamResetAllEntry(dev);
2855 SECR_value |= SCR_TxEncEnable;
2856 SECR_value |= SCR_RxDecEnable;
2857 SECR_value |= SCR_NoSKMC;
2858 write_nic_byte(dev, SECR, SECR_value);
2859 }
2860
2861
2862 write_nic_word(dev, ATIMWND, 2);
2863 write_nic_word(dev, BCN_INTERVAL, 100);
2864
2865#define DEFAULT_EDCA 0x005e4332
2866 {
2867 int i;
2868
2869 for (i = 0; i < QOS_QUEUE_NUM; i++)
2870 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2871 }
2872
2873 rtl8192_phy_configmac(dev);
2874
2875 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2876 rtl8192_phy_getTxPower(dev);
2877 rtl8192_phy_setTxPower(dev, priv->chan);
2878 }
2879
2880
2881 init_status = init_firmware(dev);
2882 if (!init_status) {
2883 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2884 __func__);
2885 return init_status;
2886 }
2887 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2888
2889#ifdef TO_DO_LIST
2890 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2891 if (pMgntInfo->RegRfOff) {
2892 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2893 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2894 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2895
2896
2897
2898 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2899 PHY_SetRFReg(Adapter,
2900 (RF90_RADIO_PATH_E)eRFPath,
2901 0x4, 0xC00, 0x0);
2902 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2903
2904 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2905 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2906 pMgntInfo->RfOffReason));
2907 MgntActSet_RF_State(Adapter,
2908 eRfOff,
2909 pMgntInfo->RfOffReason);
2910 } else {
2911 pHalData->eRFPowerState = eRfOn;
2912 pMgntInfo->RfOffReason = 0;
2913 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2914 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2915 }
2916 } else {
2917 if (pHalData->eRFPowerState == eRfOff) {
2918 MgntActSet_RF_State(Adapter,
2919 eRfOff,
2920 pMgntInfo->RfOffReason);
2921
2922
2923
2924 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2925 PHY_SetRFReg(Adapter,
2926 (RF90_RADIO_PATH_E)eRFPath,
2927 0x4, 0xC00, 0x0);
2928 }
2929 }
2930#endif
2931
2932 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2933 rtl8192_phy_RFConfig(dev);
2934 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2935 }
2936
2937
2938 if (priv->ieee80211->FwRWRF)
2939
2940 priv->Rf_Mode = RF_OP_By_FW;
2941 else
2942 priv->Rf_Mode = RF_OP_By_SW_3wire;
2943
2944
2945 rtl8192_phy_updateInitGain(dev);
2946
2947 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2948 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2949
2950 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2951
2952 u8 tmpvalue;
2953
2954 read_nic_byte(dev, 0x301, &tmpvalue);
2955 if (tmpvalue == 0x03) {
2956 priv->bDcut = true;
2957 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2958 } else {
2959 priv->bDcut = false;
2960 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2961 }
2962 dm_initialize_txpower_tracking(dev);
2963
2964 if (priv->bDcut) {
2965 u32 i, TempCCk;
2966 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2967 rOFDM0_XATxIQImbalance,
2968 bMaskDWord);
2969
2970 for (i = 0; i < TxBBGainTableLength; i++) {
2971 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2972 priv->rfa_txpowertrackingindex = (u8)i;
2973 priv->rfa_txpowertrackingindex_real =
2974 (u8)i;
2975 priv->rfa_txpowertracking_default =
2976 priv->rfa_txpowertrackingindex;
2977 break;
2978 }
2979 }
2980
2981 TempCCk = rtl8192_QueryBBReg(dev,
2982 rCCK0_TxFilter1,
2983 bMaskByte2);
2984
2985 for (i = 0; i < CCKTxBBGainTableLength; i++) {
2986 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2987 priv->cck_present_attenuation_20Mdefault = (u8)i;
2988 break;
2989 }
2990 }
2991 priv->cck_present_attenuation_40Mdefault = 0;
2992 priv->cck_present_attenuation_difference = 0;
2993 priv->cck_present_attenuation =
2994 priv->cck_present_attenuation_20Mdefault;
2995 }
2996 }
2997 write_nic_byte(dev, 0x87, 0x0);
2998
2999
3000 return init_status;
3001}
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3012{
3013 struct r8192_priv *priv = ieee80211_priv(dev);
3014
3015 return &priv->ieee80211->stats;
3016}
3017
3018static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3019{
3020 struct r8192_priv *priv = ieee80211_priv(dev);
3021 u16 RegTxCounter;
3022 bool bStuck = false;
3023
3024 read_nic_word(dev, 0x128, &RegTxCounter);
3025 RT_TRACE(COMP_RESET,
3026 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3027 RegTxCounter, priv->TxCounter);
3028 if (priv->TxCounter == RegTxCounter)
3029 bStuck = true;
3030
3031 priv->TxCounter = RegTxCounter;
3032
3033 return bStuck;
3034}
3035
3036
3037
3038
3039
3040static RESET_TYPE TxCheckStuck(struct net_device *dev)
3041{
3042 struct r8192_priv *priv = ieee80211_priv(dev);
3043 u8 QueueID;
3044 bool bCheckFwTxCnt = false;
3045
3046
3047
3048 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3049 if (QueueID == TXCMD_QUEUE)
3050 continue;
3051 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3052 continue;
3053
3054 bCheckFwTxCnt = true;
3055 }
3056 if (bCheckFwTxCnt) {
3057 if (HalTxCheckStuck819xUsb(dev)) {
3058 RT_TRACE(COMP_RESET,
3059 "%s: Fw indicates no Tx condition!\n",
3060 __func__);
3061 return RESET_TYPE_SILENT;
3062 }
3063 }
3064 return RESET_TYPE_NORESET;
3065}
3066
3067static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3068{
3069 u16 RegRxCounter;
3070 struct r8192_priv *priv = ieee80211_priv(dev);
3071 bool bStuck = false;
3072 static u8 rx_chk_cnt;
3073
3074 read_nic_word(dev, 0x130, &RegRxCounter);
3075 RT_TRACE(COMP_RESET,
3076 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3077 RegRxCounter, priv->RxCounter);
3078
3079
3080
3081 rx_chk_cnt++;
3082 if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3083 rx_chk_cnt = 0;
3084 } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3085 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3086 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3087 if (rx_chk_cnt < 2)
3088 return bStuck;
3089
3090 rx_chk_cnt = 0;
3091 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3092 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3093 priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3094 if (rx_chk_cnt < 4)
3095 return bStuck;
3096
3097 rx_chk_cnt = 0;
3098 } else {
3099 if (rx_chk_cnt < 8)
3100 return bStuck;
3101
3102 rx_chk_cnt = 0;
3103 }
3104
3105 if (priv->RxCounter == RegRxCounter)
3106 bStuck = true;
3107
3108 priv->RxCounter = RegRxCounter;
3109
3110 return bStuck;
3111}
3112
3113static RESET_TYPE RxCheckStuck(struct net_device *dev)
3114{
3115 struct r8192_priv *priv = ieee80211_priv(dev);
3116 bool bRxCheck = false;
3117
3118 if (priv->IrpPendingCount > 1)
3119 bRxCheck = true;
3120
3121 if (bRxCheck) {
3122 if (HalRxCheckStuck819xUsb(dev)) {
3123 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3124 return RESET_TYPE_SILENT;
3125 }
3126 }
3127 return RESET_TYPE_NORESET;
3128}
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3145{
3146 struct r8192_priv *priv = ieee80211_priv(dev);
3147 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3148 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3149 RT_RF_POWER_STATE rfState;
3150
3151 rfState = priv->ieee80211->eRFPowerState;
3152
3153 TxResetType = TxCheckStuck(dev);
3154 if (rfState != eRfOff ||
3155 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168 RxResetType = RxCheckStuck(dev);
3169 }
3170 if (TxResetType == RESET_TYPE_NORMAL ||
3171 RxResetType == RESET_TYPE_NORMAL) {
3172 return RESET_TYPE_NORMAL;
3173 } else if (TxResetType == RESET_TYPE_SILENT ||
3174 RxResetType == RESET_TYPE_SILENT) {
3175 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3176 return RESET_TYPE_SILENT;
3177 } else {
3178 return RESET_TYPE_NORESET;
3179 }
3180}
3181
3182static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3183static int _rtl8192_up(struct net_device *dev);
3184static int rtl8192_close(struct net_device *dev);
3185
3186
3187
3188static void CamRestoreAllEntry(struct net_device *dev)
3189{
3190 u8 EntryId = 0;
3191 struct r8192_priv *priv = ieee80211_priv(dev);
3192 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3193
3194 static u8 CAM_CONST_ADDR[4][6] = {
3195 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3196 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3197 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3198 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3199 static u8 CAM_CONST_BROAD[] = {
3200 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3201
3202 RT_TRACE(COMP_SEC, "%s:\n", __func__);
3203
3204
3205 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3206 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3207 for (EntryId = 0; EntryId < 4; EntryId++) {
3208 MacAddr = CAM_CONST_ADDR[EntryId];
3209 setKey(dev, EntryId, EntryId,
3210 priv->ieee80211->pairwise_key_type,
3211 MacAddr, 0, NULL);
3212 }
3213
3214 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3215 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3216 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3217 (u8 *)dev->dev_addr, 0, NULL);
3218 else
3219 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3220 MacAddr, 0, NULL);
3221 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3222 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3223 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3224 (u8 *)dev->dev_addr, 0, NULL);
3225 else
3226 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3227 MacAddr, 0, NULL);
3228 }
3229
3230
3231
3232 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3233 MacAddr = CAM_CONST_BROAD;
3234 for (EntryId = 1; EntryId < 4; EntryId++) {
3235 setKey(dev, EntryId, EntryId,
3236 priv->ieee80211->group_key_type,
3237 MacAddr, 0, NULL);
3238 }
3239 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3240 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3241 CAM_CONST_ADDR[0], 0, NULL);
3242 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3243 MacAddr = CAM_CONST_BROAD;
3244 for (EntryId = 1; EntryId < 4; EntryId++) {
3245 setKey(dev, EntryId, EntryId,
3246 priv->ieee80211->group_key_type,
3247 MacAddr, 0, NULL);
3248 }
3249
3250 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3251 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3252 CAM_CONST_ADDR[0], 0, NULL);
3253 }
3254}
3255
3256
3257
3258
3259
3260
3261static void rtl819x_ifsilentreset(struct net_device *dev)
3262{
3263 struct r8192_priv *priv = ieee80211_priv(dev);
3264 u8 reset_times = 0;
3265 int reset_status = 0;
3266 struct ieee80211_device *ieee = priv->ieee80211;
3267
3268
3269
3270
3271
3272 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3273RESET_START:
3274
3275 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3276
3277
3278 priv->ResetProgress = RESET_TYPE_SILENT;
3279 mutex_lock(&priv->wx_mutex);
3280 if (priv->up == 0) {
3281 RT_TRACE(COMP_ERR,
3282 "%s():the driver is not up! return\n",
3283 __func__);
3284 mutex_unlock(&priv->wx_mutex);
3285 return;
3286 }
3287 priv->up = 0;
3288 RT_TRACE(COMP_RESET,
3289 "%s():======>start to down the driver\n",
3290 __func__);
3291
3292 rtl8192_rtx_disable(dev);
3293 rtl8192_cancel_deferred_work(priv);
3294 deinit_hal_dm(dev);
3295 del_timer_sync(&priv->watch_dog_timer);
3296
3297 ieee->sync_scan_hurryup = 1;
3298 if (ieee->state == IEEE80211_LINKED) {
3299 mutex_lock(&ieee->wx_mutex);
3300 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3301 ieee80211_stop_send_beacons(priv->ieee80211);
3302 del_timer_sync(&ieee->associate_timer);
3303 cancel_delayed_work(&ieee->associate_retry_wq);
3304 ieee80211_stop_scan(ieee);
3305 netif_carrier_off(dev);
3306 mutex_unlock(&ieee->wx_mutex);
3307 } else {
3308 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3309 ieee80211_softmac_stop_protocol(priv->ieee80211);
3310 }
3311 mutex_unlock(&priv->wx_mutex);
3312 RT_TRACE(COMP_RESET,
3313 "%s():<==========down process is finished\n",
3314 __func__);
3315 RT_TRACE(COMP_RESET,
3316 "%s():===========>start up the driver\n",
3317 __func__);
3318 reset_status = _rtl8192_up(dev);
3319
3320 RT_TRACE(COMP_RESET,
3321 "%s():<===========up process is finished\n",
3322 __func__);
3323 if (reset_status == -EAGAIN) {
3324 if (reset_times < 3) {
3325 reset_times++;
3326 goto RESET_START;
3327 } else {
3328 RT_TRACE(COMP_ERR,
3329 " ERR!!! %s(): Reset Failed!!\n",
3330 __func__);
3331 }
3332 }
3333 ieee->is_silent_reset = 1;
3334 EnableHWSecurityConfig8192(dev);
3335 if (ieee->state == IEEE80211_LINKED &&
3336 ieee->iw_mode == IW_MODE_INFRA) {
3337 ieee->set_chan(ieee->dev,
3338 ieee->current_network.channel);
3339
3340 queue_work(ieee->wq, &ieee->associate_complete_wq);
3341
3342 } else if (ieee->state == IEEE80211_LINKED &&
3343 ieee->iw_mode == IW_MODE_ADHOC) {
3344 ieee->set_chan(ieee->dev,
3345 ieee->current_network.channel);
3346 ieee->link_change(ieee->dev);
3347
3348 ieee80211_start_send_beacons(ieee);
3349
3350 if (ieee->data_hard_resume)
3351 ieee->data_hard_resume(ieee->dev);
3352 netif_carrier_on(ieee->dev);
3353 }
3354
3355 CamRestoreAllEntry(dev);
3356
3357 priv->ResetProgress = RESET_TYPE_NORESET;
3358 priv->reset_count++;
3359
3360 priv->bForcedSilentReset = false;
3361 priv->bResetInProgress = false;
3362
3363
3364 write_nic_byte(dev, UFWP, 1);
3365 RT_TRACE(COMP_RESET,
3366 "Reset finished!! ====>[%d]\n",
3367 priv->reset_count);
3368 }
3369}
3370
3371static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3372 u32 *TotalRxDataNum)
3373{
3374 u16 SlotIndex;
3375 u8 i;
3376
3377 *TotalRxBcnNum = 0;
3378 *TotalRxDataNum = 0;
3379
3380 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3381 (priv->ieee80211->LinkDetectInfo.SlotNum);
3382 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3383 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3384 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3385 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3386 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3387 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3388 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3389 }
3390}
3391
3392
3393static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3394{
3395 struct delayed_work *dwork = to_delayed_work(work);
3396 struct r8192_priv *priv = container_of(dwork,
3397 struct r8192_priv, watch_dog_wq);
3398 struct net_device *dev = priv->ieee80211->dev;
3399 struct ieee80211_device *ieee = priv->ieee80211;
3400 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3401 static u8 check_reset_cnt;
3402 bool bBusyTraffic = false;
3403 u32 TotalRxBcnNum = 0;
3404 u32 TotalRxDataNum = 0;
3405
3406 if (!priv->up)
3407 return;
3408 hal_dm_watchdog(dev);
3409
3410
3411 if (ieee->state == IEEE80211_LINKED) {
3412 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3413 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3414 bBusyTraffic = true;
3415 }
3416 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3417 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3418 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3419 }
3420
3421 if (priv->ieee80211->state == IEEE80211_LINKED &&
3422 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3423 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3424 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3425#ifdef TODO
3426 if (rfState == eRfOff)
3427 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3428#endif
3429 netdev_dbg(dev,
3430 "===>%s(): AP is power off, connect another one\n",
3431 __func__);
3432 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3433 notify_wx_assoc_event(priv->ieee80211);
3434 RemovePeerTS(priv->ieee80211,
3435 priv->ieee80211->current_network.bssid);
3436 priv->ieee80211->link_change(dev);
3437 queue_work(priv->ieee80211->wq,
3438 &priv->ieee80211->associate_procedure_wq);
3439 }
3440 }
3441 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3442 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3443
3444 if (check_reset_cnt++ >= 3) {
3445 ResetType = rtl819x_ifcheck_resetornot(dev);
3446 check_reset_cnt = 3;
3447 }
3448
3449 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3450 (priv->bForcedSilentReset ||
3451 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3452 RT_TRACE(COMP_RESET,
3453 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3454 __func__, priv->force_reset, priv->ResetProgress,
3455 priv->bForcedSilentReset,
3456 priv->bDisableNormalResetCheck, ResetType);
3457 rtl819x_ifsilentreset(dev);
3458 }
3459 priv->force_reset = false;
3460 priv->bForcedSilentReset = false;
3461 priv->bResetInProgress = false;
3462 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3463}
3464
3465static void watch_dog_timer_callback(struct timer_list *t)
3466{
3467 struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3468
3469 schedule_delayed_work(&priv->watch_dog_wq, 0);
3470 mod_timer(&priv->watch_dog_timer,
3471 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3472}
3473
3474static int _rtl8192_up(struct net_device *dev)
3475{
3476 struct r8192_priv *priv = ieee80211_priv(dev);
3477 int init_status = 0;
3478
3479 priv->up = 1;
3480 priv->ieee80211->ieee_up = 1;
3481 RT_TRACE(COMP_INIT, "Bringing up iface");
3482 init_status = rtl8192_adapter_start(dev);
3483 if (!init_status) {
3484 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3485 __func__);
3486 priv->up = priv->ieee80211->ieee_up = 0;
3487 return -EAGAIN;
3488 }
3489 RT_TRACE(COMP_INIT, "start adapter finished\n");
3490 rtl8192_rx_enable(dev);
3491 if (priv->ieee80211->state != IEEE80211_LINKED)
3492 ieee80211_softmac_start_protocol(priv->ieee80211);
3493 ieee80211_reset_queue(priv->ieee80211);
3494 watch_dog_timer_callback(&priv->watch_dog_timer);
3495 if (!netif_queue_stopped(dev))
3496 netif_start_queue(dev);
3497 else
3498 netif_wake_queue(dev);
3499
3500 return 0;
3501}
3502
3503
3504static int rtl8192_open(struct net_device *dev)
3505{
3506 struct r8192_priv *priv = ieee80211_priv(dev);
3507 int ret;
3508
3509 mutex_lock(&priv->wx_mutex);
3510 ret = rtl8192_up(dev);
3511 mutex_unlock(&priv->wx_mutex);
3512 return ret;
3513}
3514
3515
3516int rtl8192_up(struct net_device *dev)
3517{
3518 struct r8192_priv *priv = ieee80211_priv(dev);
3519
3520 if (priv->up == 1)
3521 return -1;
3522
3523 return _rtl8192_up(dev);
3524}
3525
3526
3527static int rtl8192_close(struct net_device *dev)
3528{
3529 struct r8192_priv *priv = ieee80211_priv(dev);
3530 int ret;
3531
3532 mutex_lock(&priv->wx_mutex);
3533
3534 ret = rtl8192_down(dev);
3535
3536 mutex_unlock(&priv->wx_mutex);
3537
3538 return ret;
3539}
3540
3541int rtl8192_down(struct net_device *dev)
3542{
3543 struct r8192_priv *priv = ieee80211_priv(dev);
3544 int i;
3545
3546 if (priv->up == 0)
3547 return -1;
3548
3549 priv->up = 0;
3550 priv->ieee80211->ieee_up = 0;
3551 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3552
3553 if (!netif_queue_stopped(dev))
3554 netif_stop_queue(dev);
3555
3556 rtl8192_rtx_disable(dev);
3557
3558
3559 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3560 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3561 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3562 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3563
3564 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3565 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3566
3567
3568
3569
3570 rtl8192_cancel_deferred_work(priv);
3571 deinit_hal_dm(dev);
3572 del_timer_sync(&priv->watch_dog_timer);
3573
3574
3575 ieee80211_softmac_stop_protocol(priv->ieee80211);
3576 memset(&priv->ieee80211->current_network, 0,
3577 offsetof(struct ieee80211_network, list));
3578 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3579
3580 return 0;
3581}
3582
3583
3584void rtl8192_commit(struct net_device *dev)
3585{
3586 struct r8192_priv *priv = ieee80211_priv(dev);
3587 int reset_status = 0;
3588
3589 if (priv->up == 0)
3590 return;
3591 priv->up = 0;
3592
3593 rtl8192_cancel_deferred_work(priv);
3594 del_timer_sync(&priv->watch_dog_timer);
3595
3596 ieee80211_softmac_stop_protocol(priv->ieee80211);
3597
3598 rtl8192_rtx_disable(dev);
3599 reset_status = _rtl8192_up(dev);
3600}
3601
3602static void rtl8192_restart(struct work_struct *work)
3603{
3604 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3605 reset_wq);
3606 struct net_device *dev = priv->ieee80211->dev;
3607
3608 mutex_lock(&priv->wx_mutex);
3609
3610 rtl8192_commit(dev);
3611
3612 mutex_unlock(&priv->wx_mutex);
3613}
3614
3615static void r8192_set_multicast(struct net_device *dev)
3616{
3617 struct r8192_priv *priv = ieee80211_priv(dev);
3618 short promisc;
3619
3620
3621
3622 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3623
3624 if (promisc != priv->promisc)
3625
3626 priv->promisc = promisc;
3627}
3628
3629
3630static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3631{
3632 struct r8192_priv *priv = ieee80211_priv(dev);
3633 struct sockaddr *addr = mac;
3634
3635 mutex_lock(&priv->wx_mutex);
3636
3637 ether_addr_copy(dev->dev_addr, addr->sa_data);
3638
3639 schedule_work(&priv->reset_wq);
3640 mutex_unlock(&priv->wx_mutex);
3641
3642 return 0;
3643}
3644
3645
3646static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3647{
3648 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3649 struct iwreq *wrq = (struct iwreq *)rq;
3650 int ret = -1;
3651 struct ieee80211_device *ieee = priv->ieee80211;
3652 u32 key[4];
3653 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3654 struct iw_point *p = &wrq->u.data;
3655 struct ieee_param *ipw = NULL;
3656
3657 mutex_lock(&priv->wx_mutex);
3658
3659
3660 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3661 ret = -EINVAL;
3662 goto out;
3663 }
3664
3665 ipw = memdup_user(p->pointer, p->length);
3666 if (IS_ERR(ipw)) {
3667 ret = PTR_ERR(ipw);
3668 goto out;
3669 }
3670
3671 switch (cmd) {
3672 case RTL_IOCTL_WPA_SUPPLICANT:
3673
3674 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3675 if (ipw->u.crypt.set_tx) {
3676 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3677 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3678 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3679 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3680 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3681 if (ipw->u.crypt.key_len == 13)
3682 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3683 else if (ipw->u.crypt.key_len == 5)
3684 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3685 } else {
3686 ieee->pairwise_key_type = KEY_TYPE_NA;
3687 }
3688
3689 if (ieee->pairwise_key_type) {
3690 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3691 EnableHWSecurityConfig8192(dev);
3692
3693
3694
3695
3696
3697
3698 setKey(dev, 4, ipw->u.crypt.idx,
3699 ieee->pairwise_key_type,
3700 (u8 *)ieee->ap_mac_addr,
3701 0, key);
3702 if (ieee->auth_mode != 2)
3703 setKey(dev, ipw->u.crypt.idx,
3704 ipw->u.crypt.idx,
3705 ieee->pairwise_key_type,
3706 (u8 *)ieee->ap_mac_addr,
3707 0, key);
3708 }
3709 } else {
3710 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3711 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3712 ieee->group_key_type = KEY_TYPE_CCMP;
3713 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3714 ieee->group_key_type = KEY_TYPE_TKIP;
3715 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3716 if (ipw->u.crypt.key_len == 13)
3717 ieee->group_key_type = KEY_TYPE_WEP104;
3718 else if (ipw->u.crypt.key_len == 5)
3719 ieee->group_key_type = KEY_TYPE_WEP40;
3720 } else {
3721 ieee->group_key_type = KEY_TYPE_NA;
3722 }
3723
3724 if (ieee->group_key_type) {
3725 setKey(dev, ipw->u.crypt.idx,
3726
3727 ipw->u.crypt.idx,
3728
3729 ieee->group_key_type,
3730
3731 broadcast_addr,
3732
3733 0,
3734
3735 key);
3736 }
3737 }
3738 }
3739 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3740 &wrq->u.data);
3741 break;
3742
3743 default:
3744 ret = -EOPNOTSUPP;
3745 break;
3746 }
3747 kfree(ipw);
3748 ipw = NULL;
3749out:
3750 mutex_unlock(&priv->wx_mutex);
3751 return ret;
3752}
3753
3754static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3755{
3756 u8 ret_rate = 0xff;
3757
3758 if (!bIsHT) {
3759 switch (rate) {
3760 case DESC90_RATE1M:
3761 ret_rate = MGN_1M;
3762 break;
3763 case DESC90_RATE2M:
3764 ret_rate = MGN_2M;
3765 break;
3766 case DESC90_RATE5_5M:
3767 ret_rate = MGN_5_5M;
3768 break;
3769 case DESC90_RATE11M:
3770 ret_rate = MGN_11M;
3771 break;
3772 case DESC90_RATE6M:
3773 ret_rate = MGN_6M;
3774 break;
3775 case DESC90_RATE9M:
3776 ret_rate = MGN_9M;
3777 break;
3778 case DESC90_RATE12M:
3779 ret_rate = MGN_12M;
3780 break;
3781 case DESC90_RATE18M:
3782 ret_rate = MGN_18M;
3783 break;
3784 case DESC90_RATE24M:
3785 ret_rate = MGN_24M;
3786 break;
3787 case DESC90_RATE36M:
3788 ret_rate = MGN_36M;
3789 break;
3790 case DESC90_RATE48M:
3791 ret_rate = MGN_48M;
3792 break;
3793 case DESC90_RATE54M:
3794 ret_rate = MGN_54M;
3795 break;
3796
3797 default:
3798 ret_rate = 0xff;
3799 RT_TRACE(COMP_RECV,
3800 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3801 __func__, rate, bIsHT);
3802 break;
3803 }
3804
3805 } else {
3806 switch (rate) {
3807 case DESC90_RATEMCS0:
3808 ret_rate = MGN_MCS0;
3809 break;
3810 case DESC90_RATEMCS1:
3811 ret_rate = MGN_MCS1;
3812 break;
3813 case DESC90_RATEMCS2:
3814 ret_rate = MGN_MCS2;
3815 break;
3816 case DESC90_RATEMCS3:
3817 ret_rate = MGN_MCS3;
3818 break;
3819 case DESC90_RATEMCS4:
3820 ret_rate = MGN_MCS4;
3821 break;
3822 case DESC90_RATEMCS5:
3823 ret_rate = MGN_MCS5;
3824 break;
3825 case DESC90_RATEMCS6:
3826 ret_rate = MGN_MCS6;
3827 break;
3828 case DESC90_RATEMCS7:
3829 ret_rate = MGN_MCS7;
3830 break;
3831 case DESC90_RATEMCS8:
3832 ret_rate = MGN_MCS8;
3833 break;
3834 case DESC90_RATEMCS9:
3835 ret_rate = MGN_MCS9;
3836 break;
3837 case DESC90_RATEMCS10:
3838 ret_rate = MGN_MCS10;
3839 break;
3840 case DESC90_RATEMCS11:
3841 ret_rate = MGN_MCS11;
3842 break;
3843 case DESC90_RATEMCS12:
3844 ret_rate = MGN_MCS12;
3845 break;
3846 case DESC90_RATEMCS13:
3847 ret_rate = MGN_MCS13;
3848 break;
3849 case DESC90_RATEMCS14:
3850 ret_rate = MGN_MCS14;
3851 break;
3852 case DESC90_RATEMCS15:
3853 ret_rate = MGN_MCS15;
3854 break;
3855 case DESC90_RATEMCS32:
3856 ret_rate = 0x80 | 0x20;
3857 break;
3858
3859 default:
3860 ret_rate = 0xff;
3861 RT_TRACE(COMP_RECV,
3862 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3863 __func__, rate, bIsHT);
3864 break;
3865 }
3866 }
3867
3868 return ret_rate;
3869}
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3887 struct ieee80211_rx_stats *stats)
3888{
3889 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3890
3891 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3892 stats->mac_time[0] = priv->LastRxDescTSFLow;
3893 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3894 } else {
3895 priv->LastRxDescTSFLow = stats->mac_time[0];
3896 priv->LastRxDescTSFHigh = stats->mac_time[1];
3897 }
3898}
3899
3900
3901static long rtl819x_translate_todbm(u8 signal_strength_index)
3902{
3903 long signal_power;
3904
3905
3906 signal_power = (long)((signal_strength_index + 1) >> 1);
3907 signal_power -= 95;
3908
3909 return signal_power;
3910}
3911
3912
3913
3914
3915
3916
3917
3918static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3919 struct ieee80211_rx_stats *pprevious_stats,
3920 struct ieee80211_rx_stats *pcurrent_stats)
3921{
3922 bool bcheck = false;
3923 u8 rfpath;
3924 u32 nspatial_stream, tmp_val;
3925 static u32 slide_rssi_index, slide_rssi_statistics;
3926 static u32 slide_evm_index, slide_evm_statistics;
3927 static u32 last_rssi, last_evm;
3928
3929 static u32 slide_beacon_adc_pwdb_index;
3930 static u32 slide_beacon_adc_pwdb_statistics;
3931 static u32 last_beacon_adc_pwdb;
3932
3933 struct rtl_80211_hdr_3addr *hdr;
3934 u16 sc;
3935 unsigned int frag, seq;
3936
3937 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3938 sc = le16_to_cpu(hdr->seq_ctl);
3939 frag = WLAN_GET_SEQ_FRAG(sc);
3940 seq = WLAN_GET_SEQ_SEQ(sc);
3941
3942 pcurrent_stats->Seq_Num = seq;
3943
3944
3945 if (!pprevious_stats->bIsAMPDU) {
3946
3947 bcheck = true;
3948 }
3949
3950 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3951 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3952 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3953 priv->stats.slide_rssi_total -= last_rssi;
3954 }
3955 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3956
3957 priv->stats.slide_signal_strength[slide_rssi_index++] =
3958 pprevious_stats->SignalStrength;
3959 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3960 slide_rssi_index = 0;
3961
3962
3963 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3964 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3965 pcurrent_stats->rssi = priv->stats.signal_strength;
3966
3967
3968 if (!pprevious_stats->bPacketMatchBSSID) {
3969 if (!pprevious_stats->bToSelfBA)
3970 return;
3971 }
3972
3973 if (!bcheck)
3974 return;
3975
3976
3977
3978
3979
3980
3981
3982 priv->stats.num_process_phyinfo++;
3983
3984
3985
3986
3987
3988
3989
3990 if (!pprevious_stats->bIsCCK &&
3991 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3992 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3993 if (!rtl8192_phy_CheckIsLegalRFPath(
3994 priv->ieee80211->dev, rfpath))
3995 continue;
3996
3997 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
3998 priv->stats.rx_rssi_percentage[rfpath] =
3999 pprevious_stats->RxMIMOSignalStrength[rfpath];
4000 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4001 priv->stats.rx_rssi_percentage[rfpath] =
4002 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4003 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4004 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4005 } else {
4006 priv->stats.rx_rssi_percentage[rfpath] =
4007 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4008 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4009 }
4010 RT_TRACE(COMP_DBG,
4011 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
4012 priv->stats.rx_rssi_percentage[rfpath]);
4013 }
4014 }
4015
4016
4017
4018 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4019 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4020 pprevious_stats->RxPWDBAll);
4021
4022 if (pprevious_stats->bPacketBeacon) {
4023
4024 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4025 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4026 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4027 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4028 }
4029 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4030 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4031 slide_beacon_adc_pwdb_index++;
4032 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4033 slide_beacon_adc_pwdb_index = 0;
4034 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4035 if (pprevious_stats->RxPWDBAll >= 3)
4036 pprevious_stats->RxPWDBAll -= 3;
4037 }
4038
4039 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4040 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4041 pprevious_stats->RxPWDBAll);
4042
4043
4044 if (pprevious_stats->bPacketToSelf ||
4045 pprevious_stats->bPacketBeacon ||
4046 pprevious_stats->bToSelfBA) {
4047 if (priv->undecorated_smoothed_pwdb < 0)
4048
4049 priv->undecorated_smoothed_pwdb =
4050 pprevious_stats->RxPWDBAll;
4051 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4052 priv->undecorated_smoothed_pwdb =
4053 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4054 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4055 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4056 } else {
4057 priv->undecorated_smoothed_pwdb =
4058 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4059 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4060 }
4061 }
4062
4063
4064
4065 if (pprevious_stats->SignalQuality) {
4066 if (pprevious_stats->bPacketToSelf ||
4067 pprevious_stats->bPacketBeacon ||
4068 pprevious_stats->bToSelfBA) {
4069 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4070 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4071 last_evm = priv->stats.slide_evm[slide_evm_index];
4072 priv->stats.slide_evm_total -= last_evm;
4073 }
4074
4075 priv->stats.slide_evm_total +=
4076 pprevious_stats->SignalQuality;
4077
4078 priv->stats.slide_evm[slide_evm_index++] =
4079 pprevious_stats->SignalQuality;
4080 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4081 slide_evm_index = 0;
4082
4083
4084 tmp_val = priv->stats.slide_evm_total /
4085 slide_evm_statistics;
4086 priv->stats.signal_quality = tmp_val;
4087
4088
4089
4090 priv->stats.last_signal_strength_inpercent = tmp_val;
4091 }
4092
4093
4094 if (pprevious_stats->bPacketToSelf ||
4095 pprevious_stats->bPacketBeacon ||
4096 pprevious_stats->bToSelfBA) {
4097 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) {
4098 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4099 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0)
4100 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4101 priv->stats.rx_evm_percentage[nspatial_stream] =
4102 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4103 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4104 }
4105 }
4106 }
4107 }
4108}
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4123{
4124 if ((antpower <= -100) || (antpower >= 20))
4125 return 0;
4126 else if (antpower >= 0)
4127 return 100;
4128 else
4129 return 100 + antpower;
4130
4131}
4132
4133static u8 rtl819x_evm_dbtopercentage(s8 value)
4134{
4135 s8 ret_val;
4136
4137 ret_val = value;
4138
4139 if (ret_val >= 0)
4140 ret_val = 0;
4141 if (ret_val <= -33)
4142 ret_val = -33;
4143 ret_val = 0 - ret_val;
4144 ret_val *= 3;
4145 if (ret_val == 99)
4146 ret_val = 100;
4147 return ret_val;
4148}
4149
4150
4151static long rtl819x_signal_scale_mapping(long currsig)
4152{
4153 long retsig;
4154
4155
4156 if (currsig >= 61 && currsig <= 100)
4157 retsig = 90 + ((currsig - 60) / 4);
4158 else if (currsig >= 41 && currsig <= 60)
4159 retsig = 78 + ((currsig - 40) / 2);
4160 else if (currsig >= 31 && currsig <= 40)
4161 retsig = 66 + (currsig - 30);
4162 else if (currsig >= 21 && currsig <= 30)
4163 retsig = 54 + (currsig - 20);
4164 else if (currsig >= 5 && currsig <= 20)
4165 retsig = 42 + (((currsig - 5) * 2) / 3);
4166 else if (currsig == 4)
4167 retsig = 36;
4168 else if (currsig == 3)
4169 retsig = 27;
4170 else if (currsig == 2)
4171 retsig = 18;
4172 else if (currsig == 1)
4173 retsig = 9;
4174 else
4175 retsig = currsig;
4176
4177 return retsig;
4178}
4179
4180static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4181{
4182 if (pdrvinfo->RxHT)
4183 return false;
4184
4185 switch (pdrvinfo->RxRate) {
4186 case DESC90_RATE1M:
4187 case DESC90_RATE2M:
4188 case DESC90_RATE5_5M:
4189 case DESC90_RATE11M:
4190 return true;
4191 default:
4192 return false;
4193 }
4194}
4195
4196static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4197 struct ieee80211_rx_stats *pstats,
4198 rx_drvinfo_819x_usb *pdrvinfo,
4199 struct ieee80211_rx_stats *precord_stats,
4200 bool bpacket_match_bssid,
4201 bool bpacket_toself,
4202 bool bPacketBeacon,
4203 bool bToSelfBA)
4204{
4205 phy_sts_ofdm_819xusb_t *pofdm_buf;
4206 phy_sts_cck_819xusb_t *pcck_buf;
4207 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4208 u8 *prxpkt;
4209 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4210 s8 rx_pwr[4], rx_pwr_all = 0;
4211 s8 rx_snrX, rx_evmX;
4212 u8 evm, pwdb_all;
4213 u32 RSSI, total_rssi = 0;
4214 u8 is_cck_rate = 0;
4215 u8 rf_rx_num = 0;
4216 u8 sq;
4217
4218
4219 priv->stats.numqry_phystatus++;
4220
4221 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4222
4223
4224 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4225 pstats->bPacketMatchBSSID =
4226 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4227 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4228 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4229 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4230 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4231
4232 prxpkt = (u8 *)pdrvinfo;
4233
4234
4235 prxpkt += sizeof(rx_drvinfo_819x_usb);
4236
4237
4238 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4239 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4240
4241 pstats->RxMIMOSignalQuality[0] = -1;
4242 pstats->RxMIMOSignalQuality[1] = -1;
4243 precord_stats->RxMIMOSignalQuality[0] = -1;
4244 precord_stats->RxMIMOSignalQuality[1] = -1;
4245
4246 if (is_cck_rate) {
4247
4248
4249
4250
4251
4252 u8 report;
4253
4254 priv->stats.numqry_phystatusCCK++;
4255
4256 if (!priv->bCckHighPower) {
4257 report = pcck_buf->cck_agc_rpt & 0xc0;
4258 report >>= 6;
4259 switch (report) {
4260 case 0x3:
4261 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4262 break;
4263 case 0x2:
4264 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4265 break;
4266 case 0x1:
4267 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4268 break;
4269 case 0x0:
4270 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4271 break;
4272 }
4273 } else {
4274 report = pcck_buf->cck_agc_rpt & 0x60;
4275 report >>= 5;
4276 switch (report) {
4277 case 0x3:
4278 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4279 break;
4280 case 0x2:
4281 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4282 break;
4283 case 0x1:
4284 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4285 break;
4286 case 0x0:
4287 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4288 break;
4289 }
4290 }
4291
4292 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4293 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4294 pstats->RecvSignalPower = pwdb_all;
4295
4296
4297
4298 if (pstats->RxPWDBAll > 40) {
4299 sq = 100;
4300 } else {
4301 sq = pcck_buf->sq_rpt;
4302
4303 if (pcck_buf->sq_rpt > 64)
4304 sq = 0;
4305 else if (pcck_buf->sq_rpt < 20)
4306 sq = 100;
4307 else
4308 sq = ((64 - sq) * 100) / 44;
4309 }
4310 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4311 pstats->RxMIMOSignalQuality[0] =
4312 precord_stats->RxMIMOSignalQuality[0] = sq;
4313 pstats->RxMIMOSignalQuality[1] =
4314 precord_stats->RxMIMOSignalQuality[1] = -1;
4315
4316 } else {
4317 priv->stats.numqry_phystatusHT++;
4318
4319
4320 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4321
4322 if (priv->brfpath_rxenable[i])
4323 rf_rx_num++;
4324 else
4325 continue;
4326
4327 if (!rtl8192_phy_CheckIsLegalRFPath(
4328 priv->ieee80211->dev, i))
4329 continue;
4330
4331 rx_pwr[i] =
4332 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4333
4334
4335 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4336 rx_snrX = (s8)(tmp_rxsnr);
4337 rx_snrX /= 2;
4338 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4339
4340
4341 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4342 total_rssi += RSSI;
4343
4344
4345 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4346 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4347 }
4348
4349
4350
4351
4352
4353 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4354 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4355
4356 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4357 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4358
4359
4360 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4361 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4362
4363 max_spatial_stream = 2;
4364 else
4365
4366 max_spatial_stream = 1;
4367
4368 for (i = 0; i < max_spatial_stream; i++) {
4369 tmp_rxevm = pofdm_buf->rxevm_X[i];
4370 rx_evmX = (s8)(tmp_rxevm);
4371
4372
4373
4374
4375
4376
4377
4378
4379 rx_evmX /= 2;
4380
4381 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4382 if (i == 0)
4383
4384
4385
4386 pstats->SignalQuality =
4387 precord_stats->SignalQuality =
4388 evm & 0xff;
4389 pstats->RxMIMOSignalQuality[i] =
4390 precord_stats->RxMIMOSignalQuality[i] =
4391 evm & 0xff;
4392 }
4393
4394
4395
4396 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4397 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4398 &rxsc_sgien_exflg;
4399 if (pdrvinfo->BW)
4400 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4401 else
4402 priv->stats.received_bwtype[0]++;
4403 }
4404
4405
4406
4407
4408
4409 if (is_cck_rate) {
4410 pstats->SignalStrength =
4411 precord_stats->SignalStrength =
4412 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4413 } else {
4414
4415 if (rf_rx_num != 0) {
4416 pstats->SignalStrength =
4417 precord_stats->SignalStrength =
4418 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4419 }
4420 }
4421}
4422
4423static void rtl8192_record_rxdesc_forlateruse(
4424 struct ieee80211_rx_stats *psrc_stats,
4425 struct ieee80211_rx_stats *ptarget_stats)
4426{
4427 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4428 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4429 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4430}
4431
4432
4433static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4434 struct ieee80211_rx_stats *pstats,
4435 rx_drvinfo_819x_usb *pdrvinfo)
4436{
4437
4438
4439
4440 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4441 struct net_device *dev = info->dev;
4442 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4443 bool bpacket_match_bssid, bpacket_toself;
4444 bool bPacketBeacon = false, bToSelfBA = false;
4445 static struct ieee80211_rx_stats previous_stats;
4446 struct rtl_80211_hdr_3addr *hdr;
4447 u16 fc, type;
4448
4449
4450
4451 u8 *tmp_buf;
4452 u8 *praddr;
4453
4454
4455 tmp_buf = (u8 *)skb->data;
4456
4457 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4458 fc = le16_to_cpu(hdr->frame_ctl);
4459 type = WLAN_FC_GET_TYPE(fc);
4460 praddr = hdr->addr1;
4461
4462
4463 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4464 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4465 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4466 bpacket_toself = bpacket_match_bssid &
4467 (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4468
4469 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4470 bPacketBeacon = true;
4471 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4472 if ((eqMacAddr(praddr, dev->dev_addr)))
4473 bToSelfBA = true;
4474 }
4475
4476
4477
4478 if (bpacket_match_bssid)
4479 priv->stats.numpacket_matchbssid++;
4480 if (bpacket_toself)
4481 priv->stats.numpacket_toself++;
4482
4483
4484
4485
4486 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4487 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4488 bpacket_match_bssid, bpacket_toself,
4489 bPacketBeacon, bToSelfBA);
4490 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4491}
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507static void
4508UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4509 struct ieee80211_rx_stats *stats)
4510{
4511 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4512
4513 u32 rcvType = 1;
4514 u32 rateIndex;
4515
4516 u32 preamble_guardinterval;
4517
4518
4519 if (stats->bCRC)
4520 rcvType = 2;
4521 else if (stats->bICV)
4522 rcvType = 3;
4523
4524 if (stats->bShortPreamble)
4525 preamble_guardinterval = 1;
4526 else
4527 preamble_guardinterval = 0;
4528
4529 switch (stats->rate) {
4530
4531 case MGN_1M:
4532 rateIndex = 0;
4533 break;
4534 case MGN_2M:
4535 rateIndex = 1;
4536 break;
4537 case MGN_5_5M:
4538 rateIndex = 2;
4539 break;
4540 case MGN_11M:
4541 rateIndex = 3;
4542 break;
4543
4544 case MGN_6M:
4545 rateIndex = 4;
4546 break;
4547 case MGN_9M:
4548 rateIndex = 5;
4549 break;
4550 case MGN_12M:
4551 rateIndex = 6;
4552 break;
4553 case MGN_18M:
4554 rateIndex = 7;
4555 break;
4556 case MGN_24M:
4557 rateIndex = 8;
4558 break;
4559 case MGN_36M:
4560 rateIndex = 9;
4561 break;
4562 case MGN_48M:
4563 rateIndex = 10;
4564 break;
4565 case MGN_54M:
4566 rateIndex = 11;
4567 break;
4568
4569 case MGN_MCS0:
4570 rateIndex = 12;
4571 break;
4572 case MGN_MCS1:
4573 rateIndex = 13;
4574 break;
4575 case MGN_MCS2:
4576 rateIndex = 14;
4577 break;
4578 case MGN_MCS3:
4579 rateIndex = 15;
4580 break;
4581 case MGN_MCS4:
4582 rateIndex = 16;
4583 break;
4584 case MGN_MCS5:
4585 rateIndex = 17;
4586 break;
4587 case MGN_MCS6:
4588 rateIndex = 18;
4589 break;
4590 case MGN_MCS7:
4591 rateIndex = 19;
4592 break;
4593 case MGN_MCS8:
4594 rateIndex = 20;
4595 break;
4596 case MGN_MCS9:
4597 rateIndex = 21;
4598 break;
4599 case MGN_MCS10:
4600 rateIndex = 22;
4601 break;
4602 case MGN_MCS11:
4603 rateIndex = 23;
4604 break;
4605 case MGN_MCS12:
4606 rateIndex = 24;
4607 break;
4608 case MGN_MCS13:
4609 rateIndex = 25;
4610 break;
4611 case MGN_MCS14:
4612 rateIndex = 26;
4613 break;
4614 case MGN_MCS15:
4615 rateIndex = 27;
4616 break;
4617 default:
4618 rateIndex = 28;
4619 break;
4620 }
4621 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4622 priv->stats.received_rate_histogram[0][rateIndex]++;
4623 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4624}
4625
4626
4627static void query_rxdesc_status(struct sk_buff *skb,
4628 struct ieee80211_rx_stats *stats,
4629 bool bIsRxAggrSubframe)
4630{
4631 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4632 struct net_device *dev = info->dev;
4633 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4634 rx_drvinfo_819x_usb *driver_info = NULL;
4635
4636
4637 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4638
4639 stats->Length = desc->Length;
4640 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4641 stats->RxBufShift = 0;
4642 stats->bICV = desc->ICV;
4643 stats->bCRC = desc->CRC32;
4644 stats->bHwError = stats->bCRC | stats->bICV;
4645
4646 stats->Decrypted = !desc->SWDec;
4647
4648 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4649 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4650 stats->bHwError = false;
4651 else
4652 stats->bHwError = stats->bCRC | stats->bICV;
4653
4654 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4655 stats->bHwError |= 1;
4656
4657
4658
4659
4660 if (stats->RxDrvInfoSize != 0) {
4661 driver_info = (rx_drvinfo_819x_usb *)(
4662 skb->data
4663 + sizeof(rx_desc_819x_usb)
4664 + stats->RxBufShift
4665 );
4666
4667
4668 if (!stats->bHwError) {
4669 u8 ret_rate;
4670
4671 ret_rate = HwRateToMRate90(driver_info->RxHT,
4672 driver_info->RxRate);
4673 if (ret_rate == 0xff) {
4674
4675
4676
4677
4678
4679 stats->bHwError = 1;
4680
4681 stats->rate = MGN_1M;
4682 } else {
4683 stats->rate = ret_rate;
4684 }
4685 } else {
4686 stats->rate = 0x02;
4687 }
4688
4689 stats->bShortPreamble = driver_info->SPLCP;
4690
4691
4692 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4693
4694 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4695 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4696 (driver_info->FirstAGGR == 1);
4697 stats->TimeStampLow = driver_info->TSFL;
4698
4699 UpdateRxPktTimeStamp8190(dev, stats);
4700
4701
4702 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4703 RT_TRACE(COMP_RXDESC,
4704 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4705 driver_info->FirstAGGR, driver_info->PartAggr);
4706 }
4707
4708 skb_pull(skb, sizeof(rx_desc_819x_usb));
4709
4710 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4711 stats->bShift = 1;
4712 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4713 }
4714
4715 if (driver_info) {
4716 stats->RxIs40MHzPacket = driver_info->BW;
4717 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4718 }
4719}
4720
4721static void rtl8192_rx_nomal(struct sk_buff *skb)
4722{
4723 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4724 struct net_device *dev = info->dev;
4725 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4726 struct ieee80211_rx_stats stats = {
4727 .signal = 0,
4728 .noise = 0x100 - 98,
4729 .rate = 0,
4730 .freq = IEEE80211_24GHZ_BAND,
4731 };
4732 u32 rx_pkt_len = 0;
4733 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4734 bool unicast_packet = false;
4735
4736
4737 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4738
4739 query_rxdesc_status(skb, &stats, false);
4740
4741
4742
4743 skb_trim(skb, skb->len - 4);
4744
4745 rx_pkt_len = skb->len;
4746 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4747 unicast_packet = false;
4748 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4749
4750 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4751
4752 } else {
4753
4754 unicast_packet = true;
4755 }
4756
4757 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4758 dev_kfree_skb_any(skb);
4759 } else {
4760 priv->stats.rxoktotal++;
4761 if (unicast_packet)
4762 priv->stats.rxbytesunicast += rx_pkt_len;
4763 }
4764 } else {
4765 priv->stats.rxurberr++;
4766 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4767 dev_kfree_skb_any(skb);
4768 }
4769}
4770
4771static void rtl819xusb_process_received_packet(
4772 struct net_device *dev,
4773 struct ieee80211_rx_stats *pstats)
4774{
4775 u8 *frame;
4776 u16 frame_len = 0;
4777 struct r8192_priv *priv = ieee80211_priv(dev);
4778
4779
4780 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4781 frame = pstats->virtual_address;
4782 frame_len = pstats->packetlength;
4783#ifdef TODO
4784 if (!Adapter->bInHctTest)
4785 CountRxErrStatistics(Adapter, pRfd);
4786#endif
4787#ifdef ENABLE_PS
4788 RT_RF_POWER_STATE rtState;
4789
4790
4791
4792
4793 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4794 (u8 *)(&rtState));
4795 if (rtState == eRfOff)
4796 return;
4797#endif
4798 priv->stats.rxframgment++;
4799
4800#ifdef TODO
4801 RmMonitorSignalStrength(Adapter, pRfd);
4802#endif
4803
4804 if (rtl819xusb_rx_command_packet(dev, pstats))
4805 return;
4806
4807#ifdef SW_CRC_CHECK
4808 SwCrcCheck();
4809#endif
4810
4811
4812}
4813
4814static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4815 struct ieee80211_rx_stats *stats)
4816{
4817 rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4818
4819
4820 stats->virtual_address = (u8 *)skb->data;
4821 stats->Length = desc->Length;
4822 stats->RxDrvInfoSize = 0;
4823 stats->RxBufShift = 0;
4824 stats->packetlength = stats->Length - scrclng;
4825 stats->fraglength = stats->packetlength;
4826 stats->fragoffset = 0;
4827 stats->ntotalfrag = 1;
4828}
4829
4830
4831static void rtl8192_rx_cmd(struct sk_buff *skb)
4832{
4833 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4834 struct net_device *dev = info->dev;
4835
4836 struct ieee80211_rx_stats stats = {
4837 .signal = 0,
4838 .noise = 0x100 - 98,
4839 .rate = 0,
4840 .freq = IEEE80211_24GHZ_BAND,
4841 };
4842
4843 if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4844 query_rx_cmdpkt_desc_status(skb, &stats);
4845
4846
4847
4848
4849 rtl819xusb_process_received_packet(dev, &stats);
4850
4851 dev_kfree_skb_any(skb);
4852 }
4853}
4854
4855static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4856{
4857 struct sk_buff *skb;
4858 struct rtl8192_rx_info *info;
4859
4860 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4861 info = (struct rtl8192_rx_info *)skb->cb;
4862 switch (info->out_pipe) {
4863
4864 case 3:
4865 priv->IrpPendingCount--;
4866 rtl8192_rx_nomal(skb);
4867 break;
4868
4869
4870 case 9:
4871 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4872 info->out_pipe);
4873
4874 rtl8192_rx_cmd(skb);
4875 break;
4876
4877 default:
4878 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4879 info->out_pipe);
4880 dev_kfree_skb(skb);
4881 break;
4882 }
4883 }
4884}
4885
4886static const struct net_device_ops rtl8192_netdev_ops = {
4887 .ndo_open = rtl8192_open,
4888 .ndo_stop = rtl8192_close,
4889 .ndo_get_stats = rtl8192_stats,
4890 .ndo_tx_timeout = tx_timeout,
4891 .ndo_do_ioctl = rtl8192_ioctl,
4892 .ndo_set_rx_mode = r8192_set_multicast,
4893 .ndo_set_mac_address = r8192_set_mac_adr,
4894 .ndo_validate_addr = eth_validate_addr,
4895 .ndo_start_xmit = ieee80211_xmit,
4896};
4897
4898
4899
4900
4901
4902
4903static int rtl8192_usb_probe(struct usb_interface *intf,
4904 const struct usb_device_id *id)
4905{
4906 struct net_device *dev = NULL;
4907 struct r8192_priv *priv = NULL;
4908 struct usb_device *udev = interface_to_usbdev(intf);
4909 int ret;
4910
4911 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4912
4913 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4914 if (!dev)
4915 return -ENOMEM;
4916
4917 usb_set_intfdata(intf, dev);
4918 SET_NETDEV_DEV(dev, &intf->dev);
4919 priv = ieee80211_priv(dev);
4920 priv->ieee80211 = netdev_priv(dev);
4921 priv->udev = udev;
4922
4923 dev->netdev_ops = &rtl8192_netdev_ops;
4924
4925 dev->wireless_handlers = &r8192_wx_handlers_def;
4926
4927 dev->type = ARPHRD_ETHER;
4928
4929 dev->watchdog_timeo = HZ * 3;
4930
4931 if (dev_alloc_name(dev, ifname) < 0) {
4932 RT_TRACE(COMP_INIT,
4933 "Oops: devname already taken! Trying wlan%%d...\n");
4934 ifname = "wlan%d";
4935 dev_alloc_name(dev, ifname);
4936 }
4937
4938 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4939 if (rtl8192_init(dev) != 0) {
4940 RT_TRACE(COMP_ERR, "Initialization failed");
4941 ret = -ENODEV;
4942 goto fail;
4943 }
4944 netif_carrier_off(dev);
4945 netif_stop_queue(dev);
4946
4947 ret = register_netdev(dev);
4948 if (ret)
4949 goto fail2;
4950
4951 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4952 rtl8192_proc_init_one(dev);
4953
4954
4955 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4956 return 0;
4957
4958fail2:
4959 rtl8192_down(dev);
4960fail:
4961 kfree(priv->pFirmware);
4962 priv->pFirmware = NULL;
4963 rtl8192_usb_deleteendpoints(dev);
4964 msleep(10);
4965 free_ieee80211(dev);
4966
4967 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4968 return ret;
4969}
4970
4971
4972
4973
4974static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4975{
4976 cancel_work_sync(&priv->reset_wq);
4977 cancel_delayed_work(&priv->watch_dog_wq);
4978 cancel_delayed_work(&priv->update_beacon_wq);
4979 cancel_work_sync(&priv->qos_activate);
4980}
4981
4982
4983static void rtl8192_usb_disconnect(struct usb_interface *intf)
4984{
4985 struct net_device *dev = usb_get_intfdata(intf);
4986 struct r8192_priv *priv = ieee80211_priv(dev);
4987
4988 if (dev) {
4989 unregister_netdev(dev);
4990
4991 RT_TRACE(COMP_DOWN,
4992 "=============>wlan driver to be removed\n");
4993 rtl8192_proc_remove_one(dev);
4994
4995 rtl8192_down(dev);
4996 kfree(priv->pFirmware);
4997 priv->pFirmware = NULL;
4998 rtl8192_usb_deleteendpoints(dev);
4999 usleep_range(10000, 11000);
5000 }
5001 free_ieee80211(dev);
5002 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5003}
5004
5005static int __init rtl8192_usb_module_init(void)
5006{
5007 int ret;
5008
5009#ifdef CONFIG_IEEE80211_DEBUG
5010 ret = ieee80211_debug_init();
5011 if (ret) {
5012 pr_err("ieee80211_debug_init() failed %d\n", ret);
5013 return ret;
5014 }
5015#endif
5016 ret = ieee80211_crypto_init();
5017 if (ret) {
5018 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5019 return ret;
5020 }
5021
5022 ret = ieee80211_crypto_tkip_init();
5023 if (ret) {
5024 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5025 return ret;
5026 }
5027
5028 ret = ieee80211_crypto_ccmp_init();
5029 if (ret) {
5030 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5031 return ret;
5032 }
5033
5034 ret = ieee80211_crypto_wep_init();
5035 if (ret) {
5036 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5037 return ret;
5038 }
5039
5040 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5041 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5042 RT_TRACE(COMP_INIT, "Initializing module");
5043 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5044 rtl8192_proc_module_init();
5045 return usb_register(&rtl8192_usb_driver);
5046}
5047
5048
5049static void __exit rtl8192_usb_module_exit(void)
5050{
5051 usb_deregister(&rtl8192_usb_driver);
5052
5053 RT_TRACE(COMP_DOWN, "Exiting");
5054}
5055
5056void EnableHWSecurityConfig8192(struct net_device *dev)
5057{
5058 u8 SECR_value = 0x0;
5059 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5060 struct ieee80211_device *ieee = priv->ieee80211;
5061
5062 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5063 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5064 SECR_value |= SCR_RxUseDK;
5065 SECR_value |= SCR_TxUseDK;
5066 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5067 SECR_value |= SCR_RxUseDK;
5068 SECR_value |= SCR_TxUseDK;
5069 }
5070
5071
5072
5073
5074
5075
5076
5077 ieee->hwsec_active = 1;
5078
5079
5080 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5081 ieee->hwsec_active = 0;
5082 SECR_value &= ~SCR_RxDecEnable;
5083 }
5084 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5085 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5086 SECR_value);
5087 write_nic_byte(dev, SECR, SECR_value);
5088}
5089
5090
5091void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5092 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5093{
5094 u32 TargetCommand = 0;
5095 u32 TargetContent = 0;
5096 u16 usConfig = 0;
5097 u8 i;
5098
5099 if (EntryNo >= TOTAL_CAM_ENTRY)
5100 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5101
5102 RT_TRACE(COMP_SEC,
5103 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5104 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5105
5106 if (DefaultKey)
5107 usConfig |= BIT(15) | (KeyType << 2);
5108 else
5109 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5110
5111
5112 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5113 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5114 TargetCommand |= BIT(31) | BIT(16);
5115
5116 if (i == 0) {
5117 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5118 (u32)(*(MacAddr + 1)) << 24 |
5119 (u32)usConfig;
5120
5121 write_nic_dword(dev, WCAMI, TargetContent);
5122 write_nic_dword(dev, RWCAM, TargetCommand);
5123 } else if (i == 1) {
5124 TargetContent = (u32)(*(MacAddr + 2)) |
5125 (u32)(*(MacAddr + 3)) << 8 |
5126 (u32)(*(MacAddr + 4)) << 16 |
5127 (u32)(*(MacAddr + 5)) << 24;
5128 write_nic_dword(dev, WCAMI, TargetContent);
5129 write_nic_dword(dev, RWCAM, TargetCommand);
5130 } else {
5131
5132 if (KeyContent) {
5133 write_nic_dword(dev, WCAMI,
5134 *(KeyContent + i - 2));
5135 write_nic_dword(dev, RWCAM, TargetCommand);
5136 }
5137 }
5138 }
5139}
5140
5141
5142
5143
5144module_init(rtl8192_usb_module_init);
5145module_exit(rtl8192_usb_module_exit);
5146
