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13#ifndef CONFIG_FORCE_HARD_FLOAT
14double __floatsidf(int i)
15{
16 return i;
17}
18
19unsigned int __fixunsdfsi(double d)
20{
21 return d;
22}
23
24double __adddf3(double a, double b)
25{
26 return a + b;
27}
28
29double __addsf3(float a, float b)
30{
31 return a + b;
32}
33
34double __subdf3(double a, double b)
35{
36 return a - b;
37}
38
39double __extendsfdf2(float a)
40{
41 return a;
42}
43#endif
44
45#define CONFIG_RTL8192_IO_MAP
46
47#include <linux/uaccess.h>
48#include "r8192U_hw.h"
49#include "r8192U.h"
50#include "r8190_rtl8256.h"
51#include "r8180_93cx6.h"
52#include "r8192U_wx.h"
53#include "r819xU_phy.h"
54#include "r819xU_phyreg.h"
55#include "r819xU_cmdpkt.h"
56#include "r8192U_dm.h"
57#include <linux/usb.h>
58#include <linux/slab.h>
59#include <linux/proc_fs.h>
60#include <linux/seq_file.h>
61
62
63#include "ieee80211/dot11d.h"
64
65u32 rt_global_debug_component = COMP_DOWN |
66 COMP_SEC |
67 COMP_ERR;
68
69#define TOTAL_CAM_ENTRY 32
70#define CAM_CONTENT_COUNT 8
71
72static const struct usb_device_id rtl8192_usb_id_tbl[] = {
73
74 {USB_DEVICE(0x0bda, 0x8709)},
75
76 {USB_DEVICE(0x07aa, 0x0043)},
77
78 {USB_DEVICE(0x050d, 0x805E)},
79
80 {USB_DEVICE(0x0df6, 0x0031)},
81
82 {USB_DEVICE(0x1740, 0x9201)},
83
84 {USB_DEVICE(0x2001, 0x3301)},
85
86 {USB_DEVICE(0x5a57, 0x0290)},
87
88 {USB_DEVICE(0x043e, 0x7a01)},
89 {}
90};
91
92MODULE_LICENSE("GPL");
93MODULE_VERSION("V 1.1");
94MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
95MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
96
97static char *ifname = "wlan%d";
98static int hwwep = 1;
99static int channels = 0x3fff;
100
101module_param(ifname, charp, 0644);
102module_param(hwwep, int, 0644);
103module_param(channels, int, 0644);
104
105MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
106MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
107MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
108
109static int rtl8192_usb_probe(struct usb_interface *intf,
110 const struct usb_device_id *id);
111static void rtl8192_usb_disconnect(struct usb_interface *intf);
112
113static struct usb_driver rtl8192_usb_driver = {
114 .name = RTL819XU_MODULE_NAME,
115 .id_table = rtl8192_usb_id_tbl,
116 .probe = rtl8192_usb_probe,
117 .disconnect = rtl8192_usb_disconnect,
118 .suspend = NULL,
119 .resume = NULL,
120};
121
122struct CHANNEL_LIST {
123 u8 Channel[32];
124 u8 Len;
125};
126
127static struct CHANNEL_LIST ChannelPlan[] = {
128
129 {{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},
130
131 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
132
133 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
134
135 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
136
137 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
138
139 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
140
141 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
142
143 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
144
145 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
146
147 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
148
149 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
150};
151
152static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
153{
154 int i, max_chan = -1, min_chan = -1;
155 struct ieee80211_device *ieee = priv->ieee80211;
156
157 switch (channel_plan) {
158 case COUNTRY_CODE_FCC:
159 case COUNTRY_CODE_IC:
160 case COUNTRY_CODE_ETSI:
161 case COUNTRY_CODE_SPAIN:
162 case COUNTRY_CODE_FRANCE:
163 case COUNTRY_CODE_MKK:
164 case COUNTRY_CODE_MKK1:
165 case COUNTRY_CODE_ISRAEL:
166 case COUNTRY_CODE_TELEC:
167 case COUNTRY_CODE_MIC:
168 rtl8192u_dot11d_init(ieee);
169 ieee->bGlobalDomain = false;
170
171 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
172 min_chan = 1;
173 max_chan = 14;
174 } else {
175 RT_TRACE(COMP_ERR,
176 "unknown rf chip, can't set channel map in function:%s()\n",
177 __func__);
178 }
179 if (ChannelPlan[channel_plan].Len != 0) {
180
181 memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
182 sizeof(GET_DOT11D_INFO(ieee)->channel_map));
183
184 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
185 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
186 break;
187 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
188 }
189 }
190 break;
191
192 case COUNTRY_CODE_GLOBAL_DOMAIN:
193
194
195
196 GET_DOT11D_INFO(ieee)->dot11d_enabled = 0;
197 dot11d_reset(ieee);
198 ieee->bGlobalDomain = true;
199 break;
200
201 default:
202 break;
203 }
204}
205
206static void CamResetAllEntry(struct net_device *dev)
207{
208 u32 ulcommand = 0;
209
210
211
212
213
214
215 ulcommand |= BIT(31) | BIT(30);
216 write_nic_dword(dev, RWCAM, ulcommand);
217}
218
219int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
220{
221 int status;
222 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
223 struct usb_device *udev = priv->udev;
224 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
225
226 if (!usbdata)
227 return -ENOMEM;
228 *usbdata = data;
229
230 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
231 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
232 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
233 kfree(usbdata);
234
235 if (status < 0) {
236 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
237 return status;
238 }
239 return 0;
240}
241
242int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
243{
244 int status;
245 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
246 struct usb_device *udev = priv->udev;
247 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
248
249 if (!usbdata)
250 return -ENOMEM;
251
252 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
253 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
254 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
255 *data = *usbdata;
256 kfree(usbdata);
257
258 if (status < 0) {
259 netdev_err(dev, "%s failure status: %d\n", __func__, status);
260 return status;
261 }
262
263 return 0;
264}
265
266
267int write_nic_byte(struct net_device *dev, int indx, u8 data)
268{
269 int status;
270
271 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
272 struct usb_device *udev = priv->udev;
273 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
274
275 if (!usbdata)
276 return -ENOMEM;
277 *usbdata = data;
278
279 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
280 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
281 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
282 usbdata, 1, HZ / 2);
283 kfree(usbdata);
284
285 if (status < 0) {
286 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
287 return status;
288 }
289
290 return 0;
291}
292
293int write_nic_word(struct net_device *dev, int indx, u16 data)
294{
295 int status;
296
297 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
298 struct usb_device *udev = priv->udev;
299 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
300
301 if (!usbdata)
302 return -ENOMEM;
303 *usbdata = data;
304
305 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
306 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
307 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
308 usbdata, 2, HZ / 2);
309 kfree(usbdata);
310
311 if (status < 0) {
312 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
313 return status;
314 }
315
316 return 0;
317}
318
319int write_nic_dword(struct net_device *dev, int indx, u32 data)
320{
321 int status;
322
323 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
324 struct usb_device *udev = priv->udev;
325 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
326
327 if (!usbdata)
328 return -ENOMEM;
329 *usbdata = data;
330
331 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
332 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
333 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
334 usbdata, 4, HZ / 2);
335 kfree(usbdata);
336
337 if (status < 0) {
338 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
339 return status;
340 }
341
342 return 0;
343}
344
345int read_nic_byte(struct net_device *dev, int indx, u8 *data)
346{
347 int status;
348 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
349 struct usb_device *udev = priv->udev;
350 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
351
352 if (!usbdata)
353 return -ENOMEM;
354
355 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
356 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
357 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
358 usbdata, 1, HZ / 2);
359 *data = *usbdata;
360 kfree(usbdata);
361
362 if (status < 0) {
363 netdev_err(dev, "%s failure status: %d\n", __func__, status);
364 return status;
365 }
366
367 return 0;
368}
369
370int read_nic_word(struct net_device *dev, int indx, u16 *data)
371{
372 int status;
373 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
374 struct usb_device *udev = priv->udev;
375 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
376
377 if (!usbdata)
378 return -ENOMEM;
379
380 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
381 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
382 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
383 usbdata, 2, HZ / 2);
384 *data = *usbdata;
385 kfree(usbdata);
386
387 if (status < 0) {
388 netdev_err(dev, "%s failure status: %d\n", __func__, status);
389 return status;
390 }
391
392 return 0;
393}
394
395static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
396{
397 int status;
398 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
399 struct usb_device *udev = priv->udev;
400 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
401
402 if (!usbdata)
403 return -ENOMEM;
404
405 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
406 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
407 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
408 *data = *usbdata;
409 kfree(usbdata);
410
411 if (status < 0) {
412 netdev_err(dev, "%s failure status: %d\n", __func__, status);
413 return status;
414 }
415
416 return 0;
417}
418
419int read_nic_dword(struct net_device *dev, int indx, u32 *data)
420{
421 int status;
422
423 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
424 struct usb_device *udev = priv->udev;
425 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
426
427 if (!usbdata)
428 return -ENOMEM;
429
430 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
431 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
432 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
433 usbdata, 4, HZ / 2);
434 *data = *usbdata;
435 kfree(usbdata);
436
437 if (status < 0) {
438 netdev_err(dev, "%s failure status: %d\n", __func__, status);
439 return status;
440 }
441
442 return 0;
443}
444
445
446
447
448
449
450inline void force_pci_posting(struct net_device *dev)
451{
452}
453
454static struct net_device_stats *rtl8192_stats(struct net_device *dev);
455static void rtl8192_restart(struct work_struct *work);
456static void watch_dog_timer_callback(struct timer_list *t);
457
458
459
460
461
462static struct proc_dir_entry *rtl8192_proc;
463
464static int __maybe_unused proc_get_stats_ap(struct seq_file *m, void *v)
465{
466 struct net_device *dev = m->private;
467 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
468 struct ieee80211_device *ieee = priv->ieee80211;
469 struct ieee80211_network *target;
470
471 list_for_each_entry(target, &ieee->network_list, list) {
472 const char *wpa = "non_WPA";
473
474 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
475 wpa = "WPA";
476
477 seq_printf(m, "%s %s\n", target->ssid, wpa);
478 }
479
480 return 0;
481}
482
483static int __maybe_unused proc_get_registers(struct seq_file *m, void *v)
484{
485 struct net_device *dev = m->private;
486 int i, n, max = 0xff;
487 u8 byte_rd;
488
489 seq_puts(m, "\n####################page 0##################\n ");
490
491 for (n = 0; n <= max;) {
492 seq_printf(m, "\nD: %2x > ", n);
493
494 for (i = 0; i < 16 && n <= max; i++, n++) {
495 read_nic_byte(dev, 0x000 | n, &byte_rd);
496 seq_printf(m, "%2x ", byte_rd);
497 }
498 }
499
500 seq_puts(m, "\n####################page 1##################\n ");
501 for (n = 0; n <= max;) {
502 seq_printf(m, "\nD: %2x > ", n);
503
504 for (i = 0; i < 16 && n <= max; i++, n++) {
505 read_nic_byte(dev, 0x100 | n, &byte_rd);
506 seq_printf(m, "%2x ", byte_rd);
507 }
508 }
509
510 seq_puts(m, "\n####################page 3##################\n ");
511 for (n = 0; n <= max;) {
512 seq_printf(m, "\nD: %2x > ", n);
513
514 for (i = 0; i < 16 && n <= max; i++, n++) {
515 read_nic_byte(dev, 0x300 | n, &byte_rd);
516 seq_printf(m, "%2x ", byte_rd);
517 }
518 }
519
520 seq_putc(m, '\n');
521 return 0;
522}
523
524static int __maybe_unused proc_get_stats_tx(struct seq_file *m, void *v)
525{
526 struct net_device *dev = m->private;
527 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
528
529 seq_printf(m,
530 "TX VI priority ok int: %lu\n"
531 "TX VI priority error int: %lu\n"
532 "TX VO priority ok int: %lu\n"
533 "TX VO priority error int: %lu\n"
534 "TX BE priority ok int: %lu\n"
535 "TX BE priority error int: %lu\n"
536 "TX BK priority ok int: %lu\n"
537 "TX BK priority error int: %lu\n"
538 "TX MANAGE priority ok int: %lu\n"
539 "TX MANAGE priority error int: %lu\n"
540 "TX BEACON priority ok int: %lu\n"
541 "TX BEACON priority error int: %lu\n"
542 "TX queue resume: %lu\n"
543 "TX queue stopped?: %d\n"
544 "TX fifo overflow: %lu\n"
545 "TX VI queue: %d\n"
546 "TX VO queue: %d\n"
547 "TX BE queue: %d\n"
548 "TX BK queue: %d\n"
549 "TX VI dropped: %lu\n"
550 "TX VO dropped: %lu\n"
551 "TX BE dropped: %lu\n"
552 "TX BK dropped: %lu\n"
553 "TX total data packets %lu\n",
554 priv->stats.txviokint,
555 priv->stats.txvierr,
556 priv->stats.txvookint,
557 priv->stats.txvoerr,
558 priv->stats.txbeokint,
559 priv->stats.txbeerr,
560 priv->stats.txbkokint,
561 priv->stats.txbkerr,
562 priv->stats.txmanageokint,
563 priv->stats.txmanageerr,
564 priv->stats.txbeaconokint,
565 priv->stats.txbeaconerr,
566 priv->stats.txresumed,
567 netif_queue_stopped(dev),
568 priv->stats.txoverflow,
569 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
570 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
571 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
572 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
573 priv->stats.txvidrop,
574 priv->stats.txvodrop,
575 priv->stats.txbedrop,
576 priv->stats.txbkdrop,
577 priv->stats.txdatapkt
578 );
579
580 return 0;
581}
582
583static int __maybe_unused proc_get_stats_rx(struct seq_file *m, void *v)
584{
585 struct net_device *dev = m->private;
586 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
587
588 seq_printf(m,
589 "RX packets: %lu\n"
590 "RX urb status error: %lu\n"
591 "RX invalid urb error: %lu\n",
592 priv->stats.rxoktotal,
593 priv->stats.rxstaterr,
594 priv->stats.rxurberr);
595
596 return 0;
597}
598
599static void rtl8192_proc_module_init(void)
600{
601 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
602 rtl8192_proc = proc_mkdir(RTL819XU_MODULE_NAME, init_net.proc_net);
603}
604
605static void rtl8192_proc_init_one(struct net_device *dev)
606{
607 struct proc_dir_entry *dir;
608
609 if (!rtl8192_proc)
610 return;
611
612 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
613 if (!dir)
614 return;
615
616 proc_create_single("stats-rx", S_IFREG | 0444, dir,
617 proc_get_stats_rx);
618 proc_create_single("stats-tx", S_IFREG | 0444, dir,
619 proc_get_stats_tx);
620 proc_create_single("stats-ap", S_IFREG | 0444, dir,
621 proc_get_stats_ap);
622 proc_create_single("registers", S_IFREG | 0444, dir,
623 proc_get_registers);
624}
625
626static void rtl8192_proc_remove_one(struct net_device *dev)
627{
628 remove_proc_subtree(dev->name, rtl8192_proc);
629}
630
631
632
633
634
635short check_nic_enough_desc(struct net_device *dev, int queue_index)
636{
637 struct r8192_priv *priv = ieee80211_priv(dev);
638 int used = atomic_read(&priv->tx_pending[queue_index]);
639
640 return (used < MAX_TX_URB);
641}
642
643static void tx_timeout(struct net_device *dev, unsigned int txqueue)
644{
645 struct r8192_priv *priv = ieee80211_priv(dev);
646
647 schedule_work(&priv->reset_wq);
648}
649
650void rtl8192_update_msr(struct net_device *dev)
651{
652 struct r8192_priv *priv = ieee80211_priv(dev);
653 u8 msr;
654
655 read_nic_byte(dev, MSR, &msr);
656 msr &= ~MSR_LINK_MASK;
657
658
659
660
661
662
663 if (priv->ieee80211->state == IEEE80211_LINKED) {
664 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
665 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
666 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
667 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
668 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
669 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
670
671 } else {
672 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
673 }
674
675 write_nic_byte(dev, MSR, msr);
676}
677
678void rtl8192_set_chan(struct net_device *dev, short ch)
679{
680 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
681
682 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
683 priv->chan = ch;
684
685
686
687
688
689 if (priv->rf_set_chan)
690 priv->rf_set_chan(dev, priv->chan);
691 mdelay(10);
692}
693
694static void rtl8192_rx_isr(struct urb *urb);
695
696static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
697{
698 return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
699 + pstats->RxBufShift);
700}
701
702void rtl8192_rx_enable(struct net_device *dev)
703{
704 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
705 struct urb *entry;
706 struct sk_buff *skb;
707 struct rtl8192_rx_info *info;
708
709
710 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
711 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
712 if (!skb)
713 break;
714 entry = usb_alloc_urb(0, GFP_KERNEL);
715 if (!entry) {
716 kfree_skb(skb);
717 break;
718 }
719 usb_fill_bulk_urb(entry, priv->udev,
720 usb_rcvbulkpipe(priv->udev, 3),
721 skb_tail_pointer(skb),
722 RX_URB_SIZE, rtl8192_rx_isr, skb);
723 info = (struct rtl8192_rx_info *)skb->cb;
724 info->urb = entry;
725 info->dev = dev;
726 info->out_pipe = 3;
727 skb_queue_tail(&priv->rx_queue, skb);
728 usb_submit_urb(entry, GFP_KERNEL);
729 }
730
731
732 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
733 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
734 if (!skb)
735 break;
736 entry = usb_alloc_urb(0, GFP_KERNEL);
737 if (!entry) {
738 kfree_skb(skb);
739 break;
740 }
741 usb_fill_bulk_urb(entry, priv->udev,
742 usb_rcvbulkpipe(priv->udev, 9),
743 skb_tail_pointer(skb),
744 RX_URB_SIZE, rtl8192_rx_isr, skb);
745 info = (struct rtl8192_rx_info *)skb->cb;
746 info->urb = entry;
747 info->dev = dev;
748 info->out_pipe = 9;
749 skb_queue_tail(&priv->rx_queue, skb);
750 usb_submit_urb(entry, GFP_KERNEL);
751 }
752}
753
754void rtl8192_set_rxconf(struct net_device *dev)
755{
756 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
757 u32 rxconf;
758
759 read_nic_dword(dev, RCR, &rxconf);
760 rxconf = rxconf & ~MAC_FILTER_MASK;
761 rxconf = rxconf | RCR_AMF;
762 rxconf = rxconf | RCR_ADF;
763 rxconf = rxconf | RCR_AB;
764 rxconf = rxconf | RCR_AM;
765
766 if (dev->flags & IFF_PROMISC)
767 DMESG("NIC in promisc mode");
768
769 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
770 dev->flags & IFF_PROMISC) {
771 rxconf = rxconf | RCR_AAP;
772 } else {
773 rxconf = rxconf | RCR_APM;
774 rxconf = rxconf | RCR_CBSSID;
775 }
776
777 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
778 rxconf = rxconf | RCR_AICV;
779 rxconf = rxconf | RCR_APWRMGT;
780 }
781
782 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
783 rxconf = rxconf | RCR_ACRC32;
784
785 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
786 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
787 rxconf = rxconf & ~MAX_RX_DMA_MASK;
788 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
789
790 rxconf = rxconf | RCR_ONLYERLPKT;
791
792 write_nic_dword(dev, RCR, rxconf);
793}
794
795void rtl8192_rtx_disable(struct net_device *dev)
796{
797 u8 cmd;
798 struct r8192_priv *priv = ieee80211_priv(dev);
799 struct sk_buff *skb;
800 struct rtl8192_rx_info *info;
801
802 read_nic_byte(dev, CMDR, &cmd);
803 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
804 force_pci_posting(dev);
805 mdelay(10);
806
807 while ((skb = __skb_dequeue(&priv->rx_queue))) {
808 info = (struct rtl8192_rx_info *)skb->cb;
809 if (!info->urb)
810 continue;
811
812 usb_kill_urb(info->urb);
813 kfree_skb(skb);
814 }
815
816 if (skb_queue_len(&priv->skb_queue))
817 netdev_warn(dev, "skb_queue not empty\n");
818
819 skb_queue_purge(&priv->skb_queue);
820}
821
822
823static void rtl8192_rx_isr(struct urb *urb)
824{
825 struct sk_buff *skb = (struct sk_buff *)urb->context;
826 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
827 struct net_device *dev = info->dev;
828 struct r8192_priv *priv = ieee80211_priv(dev);
829 int out_pipe = info->out_pipe;
830 int err;
831
832 if (!priv->up)
833 return;
834
835 if (unlikely(urb->status)) {
836 info->urb = NULL;
837 priv->stats.rxstaterr++;
838 priv->ieee80211->stats.rx_errors++;
839 usb_free_urb(urb);
840 return;
841 }
842 skb_unlink(skb, &priv->rx_queue);
843 skb_put(skb, urb->actual_length);
844
845 skb_queue_tail(&priv->skb_queue, skb);
846 tasklet_schedule(&priv->irq_rx_tasklet);
847
848 skb = dev_alloc_skb(RX_URB_SIZE);
849 if (unlikely(!skb)) {
850 usb_free_urb(urb);
851 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
852
853 return;
854 }
855
856 usb_fill_bulk_urb(urb, priv->udev,
857 usb_rcvbulkpipe(priv->udev, out_pipe),
858 skb_tail_pointer(skb),
859 RX_URB_SIZE, rtl8192_rx_isr, skb);
860
861 info = (struct rtl8192_rx_info *)skb->cb;
862 info->urb = urb;
863 info->dev = dev;
864 info->out_pipe = out_pipe;
865
866 urb->transfer_buffer = skb_tail_pointer(skb);
867 urb->context = skb;
868 skb_queue_tail(&priv->rx_queue, skb);
869 err = usb_submit_urb(urb, GFP_ATOMIC);
870 if (err && err != -EPERM)
871 netdev_err(dev,
872 "can not submit rxurb, err is %x, URB status is %x\n",
873 err, urb->status);
874}
875
876static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
877 struct ieee80211_rx_stats *pstats)
878{
879 u32 status;
880
881 status = cmpk_message_handle_rx(dev, pstats);
882 if (status)
883 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
884
885 return status;
886}
887
888static void rtl8192_data_hard_stop(struct net_device *dev)
889{
890
891}
892
893static void rtl8192_data_hard_resume(struct net_device *dev)
894{
895
896}
897
898
899
900
901static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
902 int rate)
903{
904 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
905 unsigned long flags;
906 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
907 u8 queue_index = tcb_desc->queue_index;
908
909
910 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
911
912 spin_lock_irqsave(&priv->tx_lock, flags);
913
914 *(struct net_device **)(skb->cb) = dev;
915 tcb_desc->bTxEnableFwCalcDur = 1;
916 skb_push(skb, priv->ieee80211->tx_headroom);
917 rtl8192_tx(dev, skb);
918
919 spin_unlock_irqrestore(&priv->tx_lock, flags);
920}
921
922
923
924
925
926
927static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
928{
929 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
930 int ret;
931 unsigned long flags;
932 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
933 u8 queue_index = tcb_desc->queue_index;
934
935 spin_lock_irqsave(&priv->tx_lock, flags);
936
937 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
938 if (queue_index == TXCMD_QUEUE) {
939 skb_push(skb, USB_HWDESC_HEADER_LEN);
940 rtl819xU_tx_cmd(dev, skb);
941 ret = 1;
942 } else {
943 skb_push(skb, priv->ieee80211->tx_headroom);
944 ret = rtl8192_tx(dev, skb);
945 }
946
947 spin_unlock_irqrestore(&priv->tx_lock, flags);
948
949 return ret;
950}
951
952static void rtl8192_tx_isr(struct urb *tx_urb)
953{
954 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
955 struct net_device *dev;
956 struct r8192_priv *priv = NULL;
957 struct cb_desc *tcb_desc;
958 u8 queue_index;
959
960 if (!skb)
961 return;
962
963 dev = *(struct net_device **)(skb->cb);
964 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
965 queue_index = tcb_desc->queue_index;
966
967 priv = ieee80211_priv(dev);
968
969 if (tcb_desc->queue_index != TXCMD_QUEUE) {
970 if (tx_urb->status == 0) {
971 netif_trans_update(dev);
972 priv->stats.txoktotal++;
973 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
974 priv->stats.txbytesunicast +=
975 (skb->len - priv->ieee80211->tx_headroom);
976 } else {
977 priv->ieee80211->stats.tx_errors++;
978
979 }
980 }
981
982
983 dev_kfree_skb_any(skb);
984 usb_free_urb(tx_urb);
985 atomic_dec(&priv->tx_pending[queue_index]);
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000 if (queue_index != BEACON_QUEUE) {
1001
1002 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1003 (!(priv->ieee80211->queue_stop))) {
1004 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1005 if (skb)
1006 priv->ieee80211->softmac_hard_start_xmit(skb,
1007 dev);
1008
1009 return;
1010 }
1011 }
1012}
1013
1014static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1015{
1016 struct r8192_priv *priv = ieee80211_priv(dev);
1017 struct ieee80211_network *net;
1018 u8 i = 0, basic_rate = 0;
1019
1020 net = &priv->ieee80211->current_network;
1021
1022 for (i = 0; i < net->rates_len; i++) {
1023 basic_rate = net->rates[i] & 0x7f;
1024 switch (basic_rate) {
1025 case MGN_1M:
1026 *rate_config |= RRSR_1M;
1027 break;
1028 case MGN_2M:
1029 *rate_config |= RRSR_2M;
1030 break;
1031 case MGN_5_5M:
1032 *rate_config |= RRSR_5_5M;
1033 break;
1034 case MGN_11M:
1035 *rate_config |= RRSR_11M;
1036 break;
1037 case MGN_6M:
1038 *rate_config |= RRSR_6M;
1039 break;
1040 case MGN_9M:
1041 *rate_config |= RRSR_9M;
1042 break;
1043 case MGN_12M:
1044 *rate_config |= RRSR_12M;
1045 break;
1046 case MGN_18M:
1047 *rate_config |= RRSR_18M;
1048 break;
1049 case MGN_24M:
1050 *rate_config |= RRSR_24M;
1051 break;
1052 case MGN_36M:
1053 *rate_config |= RRSR_36M;
1054 break;
1055 case MGN_48M:
1056 *rate_config |= RRSR_48M;
1057 break;
1058 case MGN_54M:
1059 *rate_config |= RRSR_54M;
1060 break;
1061 }
1062 }
1063 for (i = 0; i < net->rates_ex_len; i++) {
1064 basic_rate = net->rates_ex[i] & 0x7f;
1065 switch (basic_rate) {
1066 case MGN_1M:
1067 *rate_config |= RRSR_1M;
1068 break;
1069 case MGN_2M:
1070 *rate_config |= RRSR_2M;
1071 break;
1072 case MGN_5_5M:
1073 *rate_config |= RRSR_5_5M;
1074 break;
1075 case MGN_11M:
1076 *rate_config |= RRSR_11M;
1077 break;
1078 case MGN_6M:
1079 *rate_config |= RRSR_6M;
1080 break;
1081 case MGN_9M:
1082 *rate_config |= RRSR_9M;
1083 break;
1084 case MGN_12M:
1085 *rate_config |= RRSR_12M;
1086 break;
1087 case MGN_18M:
1088 *rate_config |= RRSR_18M;
1089 break;
1090 case MGN_24M:
1091 *rate_config |= RRSR_24M;
1092 break;
1093 case MGN_36M:
1094 *rate_config |= RRSR_36M;
1095 break;
1096 case MGN_48M:
1097 *rate_config |= RRSR_48M;
1098 break;
1099 case MGN_54M:
1100 *rate_config |= RRSR_54M;
1101 break;
1102 }
1103 }
1104}
1105
1106#define SHORT_SLOT_TIME 9
1107#define NON_SHORT_SLOT_TIME 20
1108
1109static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1110{
1111 u32 tmp = 0;
1112 struct r8192_priv *priv = ieee80211_priv(dev);
1113 struct ieee80211_network *net = &priv->ieee80211->current_network;
1114
1115 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1116 tmp = priv->basic_rate;
1117 if (priv->short_preamble)
1118 tmp |= BRSR_AckShortPmb;
1119 write_nic_dword(dev, RRSR, tmp);
1120
1121 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1122 u8 slot_time = 0;
1123
1124 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1125 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1126
1127 slot_time = SHORT_SLOT_TIME;
1128 else
1129 slot_time = NON_SHORT_SLOT_TIME;
1130 priv->slot_time = slot_time;
1131 write_nic_byte(dev, SLOT_TIME, slot_time);
1132 }
1133}
1134
1135static void rtl8192_net_update(struct net_device *dev)
1136{
1137 struct r8192_priv *priv = ieee80211_priv(dev);
1138 struct ieee80211_network *net;
1139 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1140 u16 rate_config = 0;
1141
1142 net = &priv->ieee80211->current_network;
1143
1144 rtl8192_config_rate(dev, &rate_config);
1145 priv->basic_rate = rate_config & 0x15f;
1146
1147 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1148 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1149
1150 rtl8192_update_msr(dev);
1151 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1152 write_nic_word(dev, ATIMWND, 2);
1153 write_nic_word(dev, BCN_DMATIME, 1023);
1154 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1155 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1156 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1157 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1158
1159 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1160
1161 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1162 }
1163}
1164
1165
1166
1167
1168void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1169{
1170}
1171
1172short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1173{
1174 struct r8192_priv *priv = ieee80211_priv(dev);
1175 int status;
1176 struct urb *tx_urb;
1177 unsigned int idx_pipe;
1178 struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
1179 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1180 u8 queue_index = tcb_desc->queue_index;
1181
1182 atomic_inc(&priv->tx_pending[queue_index]);
1183 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1184 if (!tx_urb) {
1185 dev_kfree_skb(skb);
1186 return -ENOMEM;
1187 }
1188
1189 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1190
1191 pdesc->FirstSeg = 1;
1192 pdesc->LastSeg = 1;
1193 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1194 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1195 pdesc->OWN = 1;
1196 pdesc->LINIP = tcb_desc->bLastIniPkt;
1197
1198
1199
1200
1201
1202 idx_pipe = 0x04;
1203 usb_fill_bulk_urb(tx_urb, priv->udev,
1204 usb_sndbulkpipe(priv->udev, idx_pipe),
1205 skb->data, skb->len, rtl8192_tx_isr, skb);
1206
1207 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1208
1209 if (!status)
1210 return 0;
1211
1212 DMESGE("Error TX CMD URB, error %d", status);
1213 dev_kfree_skb(skb);
1214 usb_free_urb(tx_urb);
1215 return -1;
1216}
1217
1218
1219
1220
1221
1222
1223
1224
1225static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1226{
1227 u8 QueueSelect = 0x0;
1228
1229 switch (QueueID) {
1230 case BE_QUEUE:
1231 QueueSelect = QSLT_BE;
1232 break;
1233
1234 case BK_QUEUE:
1235 QueueSelect = QSLT_BK;
1236 break;
1237
1238 case VO_QUEUE:
1239 QueueSelect = QSLT_VO;
1240 break;
1241
1242 case VI_QUEUE:
1243 QueueSelect = QSLT_VI;
1244 break;
1245 case MGNT_QUEUE:
1246 QueueSelect = QSLT_MGNT;
1247 break;
1248
1249 case BEACON_QUEUE:
1250 QueueSelect = QSLT_BEACON;
1251 break;
1252
1253
1254
1255 case TXCMD_QUEUE:
1256 QueueSelect = QSLT_CMD;
1257 break;
1258 case HIGH_QUEUE:
1259 QueueSelect = QSLT_HIGH;
1260 break;
1261
1262 default:
1263 RT_TRACE(COMP_ERR,
1264 "TransmitTCB(): Impossible Queue Selection: %d\n",
1265 QueueID);
1266 break;
1267 }
1268 return QueueSelect;
1269}
1270
1271static u8 MRateToHwRate8190Pci(u8 rate)
1272{
1273 u8 ret = DESC90_RATE1M;
1274
1275 switch (rate) {
1276 case MGN_1M:
1277 ret = DESC90_RATE1M;
1278 break;
1279 case MGN_2M:
1280 ret = DESC90_RATE2M;
1281 break;
1282 case MGN_5_5M:
1283 ret = DESC90_RATE5_5M;
1284 break;
1285 case MGN_11M:
1286 ret = DESC90_RATE11M;
1287 break;
1288 case MGN_6M:
1289 ret = DESC90_RATE6M;
1290 break;
1291 case MGN_9M:
1292 ret = DESC90_RATE9M;
1293 break;
1294 case MGN_12M:
1295 ret = DESC90_RATE12M;
1296 break;
1297 case MGN_18M:
1298 ret = DESC90_RATE18M;
1299 break;
1300 case MGN_24M:
1301 ret = DESC90_RATE24M;
1302 break;
1303 case MGN_36M:
1304 ret = DESC90_RATE36M;
1305 break;
1306 case MGN_48M:
1307 ret = DESC90_RATE48M;
1308 break;
1309 case MGN_54M:
1310 ret = DESC90_RATE54M;
1311 break;
1312
1313
1314 case MGN_MCS0:
1315 ret = DESC90_RATEMCS0;
1316 break;
1317 case MGN_MCS1:
1318 ret = DESC90_RATEMCS1;
1319 break;
1320 case MGN_MCS2:
1321 ret = DESC90_RATEMCS2;
1322 break;
1323 case MGN_MCS3:
1324 ret = DESC90_RATEMCS3;
1325 break;
1326 case MGN_MCS4:
1327 ret = DESC90_RATEMCS4;
1328 break;
1329 case MGN_MCS5:
1330 ret = DESC90_RATEMCS5;
1331 break;
1332 case MGN_MCS6:
1333 ret = DESC90_RATEMCS6;
1334 break;
1335 case MGN_MCS7:
1336 ret = DESC90_RATEMCS7;
1337 break;
1338 case MGN_MCS8:
1339 ret = DESC90_RATEMCS8;
1340 break;
1341 case MGN_MCS9:
1342 ret = DESC90_RATEMCS9;
1343 break;
1344 case MGN_MCS10:
1345 ret = DESC90_RATEMCS10;
1346 break;
1347 case MGN_MCS11:
1348 ret = DESC90_RATEMCS11;
1349 break;
1350 case MGN_MCS12:
1351 ret = DESC90_RATEMCS12;
1352 break;
1353 case MGN_MCS13:
1354 ret = DESC90_RATEMCS13;
1355 break;
1356 case MGN_MCS14:
1357 ret = DESC90_RATEMCS14;
1358 break;
1359 case MGN_MCS15:
1360 ret = DESC90_RATEMCS15;
1361 break;
1362 case (0x80 | 0x20):
1363 ret = DESC90_RATEMCS32;
1364 break;
1365
1366 default:
1367 break;
1368 }
1369 return ret;
1370}
1371
1372static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1373{
1374 u8 tmp_Short;
1375
1376 tmp_Short = (TxHT == 1) ?
1377 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1378 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1379
1380 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1381 tmp_Short = 0;
1382
1383 return tmp_Short;
1384}
1385
1386static void tx_zero_isr(struct urb *tx_urb)
1387{
1388}
1389
1390
1391
1392
1393
1394
1395short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1396{
1397 struct r8192_priv *priv = ieee80211_priv(dev);
1398 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1399 struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
1400 struct tx_fwinfo_819x_usb *tx_fwinfo =
1401 (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1402 struct usb_device *udev = priv->udev;
1403 int pend;
1404 int status, rt = -1;
1405 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1406 unsigned int idx_pipe;
1407
1408 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1409
1410
1411
1412
1413 if (pend > MAX_TX_URB) {
1414 netdev_dbg(dev, "To discard skb packet!\n");
1415 dev_kfree_skb_any(skb);
1416 return -1;
1417 }
1418
1419 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1420 if (!tx_urb) {
1421 dev_kfree_skb_any(skb);
1422 return -ENOMEM;
1423 }
1424
1425
1426 memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
1427
1428 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1429 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1430 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1431 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1432 tcb_desc);
1433 if (tcb_desc->bAMPDUEnable) {
1434 tx_fwinfo->AllowAggregation = 1;
1435
1436 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1437 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1438 } else {
1439 tx_fwinfo->AllowAggregation = 0;
1440
1441 tx_fwinfo->RxMF = 0;
1442 tx_fwinfo->RxAMD = 0;
1443 }
1444
1445
1446 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1447 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1448 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1449 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1450 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1451 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1452 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1453 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1454 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1455
1456
1457 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1458 if (tcb_desc->bPacketBW) {
1459 tx_fwinfo->TxBandwidth = 1;
1460
1461 tx_fwinfo->TxSubCarrier = 0;
1462 } else {
1463 tx_fwinfo->TxBandwidth = 0;
1464 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1465 }
1466 } else {
1467 tx_fwinfo->TxBandwidth = 0;
1468 tx_fwinfo->TxSubCarrier = 0;
1469 }
1470
1471
1472 memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
1473
1474 tx_desc->LINIP = 0;
1475 tx_desc->CmdInit = 1;
1476 tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8;
1477 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1478
1479
1480 tx_desc->SecCAMID = 0;
1481 tx_desc->RATid = tcb_desc->RATRIndex;
1482 tx_desc->NoEnc = 1;
1483 tx_desc->SecType = 0x0;
1484 if (tcb_desc->bHwSec) {
1485 switch (priv->ieee80211->pairwise_key_type) {
1486 case KEY_TYPE_WEP40:
1487 case KEY_TYPE_WEP104:
1488 tx_desc->SecType = 0x1;
1489 tx_desc->NoEnc = 0;
1490 break;
1491 case KEY_TYPE_TKIP:
1492 tx_desc->SecType = 0x2;
1493 tx_desc->NoEnc = 0;
1494 break;
1495 case KEY_TYPE_CCMP:
1496 tx_desc->SecType = 0x3;
1497 tx_desc->NoEnc = 0;
1498 break;
1499 case KEY_TYPE_NA:
1500 tx_desc->SecType = 0x0;
1501 tx_desc->NoEnc = 1;
1502 break;
1503 }
1504 }
1505
1506 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1507 tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb);
1508
1509 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1510 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1511
1512
1513
1514
1515
1516 tx_desc->FirstSeg = 1;
1517 tx_desc->LastSeg = 1;
1518 tx_desc->OWN = 1;
1519
1520
1521 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1522 idx_pipe = 0x5;
1523
1524
1525 usb_fill_bulk_urb(tx_urb, udev,
1526 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1527 skb->len, rtl8192_tx_isr, skb);
1528
1529 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1530 if (!status) {
1531
1532
1533
1534
1535
1536 bool bSend0Byte = false;
1537 u8 zero = 0;
1538
1539 if (udev->speed == USB_SPEED_HIGH) {
1540 if (skb->len > 0 && skb->len % 512 == 0)
1541 bSend0Byte = true;
1542 } else {
1543 if (skb->len > 0 && skb->len % 64 == 0)
1544 bSend0Byte = true;
1545 }
1546 if (bSend0Byte) {
1547 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1548 if (!tx_urb_zero) {
1549 rt = -ENOMEM;
1550 goto error;
1551 }
1552 usb_fill_bulk_urb(tx_urb_zero, udev,
1553 usb_sndbulkpipe(udev, idx_pipe),
1554 &zero, 0, tx_zero_isr, dev);
1555 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1556 if (status) {
1557 RT_TRACE(COMP_ERR,
1558 "Error TX URB for zero byte %d, error %d",
1559 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1560 status);
1561 goto error;
1562 }
1563 }
1564 netif_trans_update(dev);
1565 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1566 return 0;
1567 }
1568
1569 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1570 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1571 status);
1572
1573error:
1574 dev_kfree_skb_any(skb);
1575 usb_free_urb(tx_urb);
1576 usb_free_urb(tx_urb_zero);
1577 return rt;
1578}
1579
1580static short rtl8192_usb_initendpoints(struct net_device *dev)
1581{
1582 struct r8192_priv *priv = ieee80211_priv(dev);
1583
1584 priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1585 GFP_KERNEL);
1586 if (!priv->rx_urb)
1587 return -ENOMEM;
1588
1589#ifndef JACKSON_NEW_RX
1590 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1591 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1592 if (!priv->rx_urb[i])
1593 return -ENOMEM;
1594
1595 priv->rx_urb[i]->transfer_buffer =
1596 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1597 if (!priv->rx_urb[i]->transfer_buffer)
1598 return -ENOMEM;
1599
1600 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1601 }
1602#endif
1603
1604#ifdef THOMAS_BEACON
1605 {
1606 long align = 0;
1607 void *oldaddr, *newaddr;
1608
1609 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1610 if (!priv->rx_urb[16])
1611 return -ENOMEM;
1612 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1613 if (!priv->oldaddr)
1614 return -ENOMEM;
1615 oldaddr = priv->oldaddr;
1616 align = ((long)oldaddr) & 3;
1617 if (align) {
1618 newaddr = oldaddr + 4 - align;
1619 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1620 } else {
1621 newaddr = oldaddr;
1622 priv->rx_urb[16]->transfer_buffer_length = 16;
1623 }
1624 priv->rx_urb[16]->transfer_buffer = newaddr;
1625 }
1626#endif
1627
1628 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1629 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1630 GFP_KERNEL);
1631 if (!priv->pp_rxskb) {
1632 kfree(priv->rx_urb);
1633
1634 priv->pp_rxskb = NULL;
1635 priv->rx_urb = NULL;
1636
1637 DMESGE("Endpoint Alloc Failure");
1638 return -ENOMEM;
1639 }
1640
1641 netdev_dbg(dev, "End of initendpoints\n");
1642 return 0;
1643}
1644
1645#ifdef THOMAS_BEACON
1646static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1647{
1648 int i;
1649 struct r8192_priv *priv = ieee80211_priv(dev);
1650
1651 if (priv->rx_urb) {
1652 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1653 usb_kill_urb(priv->rx_urb[i]);
1654 usb_free_urb(priv->rx_urb[i]);
1655 }
1656 kfree(priv->rx_urb);
1657 priv->rx_urb = NULL;
1658 }
1659 kfree(priv->oldaddr);
1660 priv->oldaddr = NULL;
1661
1662 kfree(priv->pp_rxskb);
1663 priv->pp_rxskb = NULL;
1664}
1665#else
1666void rtl8192_usb_deleteendpoints(struct net_device *dev)
1667{
1668 int i;
1669 struct r8192_priv *priv = ieee80211_priv(dev);
1670
1671#ifndef JACKSON_NEW_RX
1672
1673 if (priv->rx_urb) {
1674 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1675 usb_kill_urb(priv->rx_urb[i]);
1676 kfree(priv->rx_urb[i]->transfer_buffer);
1677 usb_free_urb(priv->rx_urb[i]);
1678 }
1679 kfree(priv->rx_urb);
1680 priv->rx_urb = NULL;
1681 }
1682#else
1683 kfree(priv->rx_urb);
1684 priv->rx_urb = NULL;
1685 kfree(priv->oldaddr);
1686 priv->oldaddr = NULL;
1687
1688 kfree(priv->pp_rxskb);
1689 priv->pp_rxskb = 0;
1690
1691#endif
1692}
1693#endif
1694
1695static void rtl8192_update_ratr_table(struct net_device *dev);
1696static void rtl8192_link_change(struct net_device *dev)
1697{
1698 struct r8192_priv *priv = ieee80211_priv(dev);
1699 struct ieee80211_device *ieee = priv->ieee80211;
1700
1701 if (ieee->state == IEEE80211_LINKED) {
1702 rtl8192_net_update(dev);
1703 rtl8192_update_ratr_table(dev);
1704
1705
1706
1707
1708 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1709 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1710 EnableHWSecurityConfig8192(dev);
1711 }
1712
1713 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1714 u32 reg = 0;
1715
1716 read_nic_dword(dev, RCR, ®);
1717 if (priv->ieee80211->state == IEEE80211_LINKED)
1718 priv->ReceiveConfig = reg |= RCR_CBSSID;
1719 else
1720 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1721 write_nic_dword(dev, RCR, reg);
1722 }
1723}
1724
1725static const struct ieee80211_qos_parameters def_qos_parameters = {
1726 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1727 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1728 {2, 2, 2, 2},
1729 {0, 0, 0, 0},
1730 {0, 0, 0, 0}
1731};
1732
1733static void rtl8192_update_beacon(struct work_struct *work)
1734{
1735 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1736 update_beacon_wq.work);
1737 struct net_device *dev = priv->ieee80211->dev;
1738 struct ieee80211_device *ieee = priv->ieee80211;
1739 struct ieee80211_network *net = &ieee->current_network;
1740
1741 if (ieee->pHTInfo->bCurrentHTSupport)
1742 HTUpdateSelfAndPeerSetting(ieee, net);
1743 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1744 net->bssht.bdRT2RTLongSlotTime;
1745 rtl8192_update_cap(dev, net->capability);
1746}
1747
1748
1749
1750
1751static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1752 EDCAPARA_VI, EDCAPARA_VO};
1753static void rtl8192_qos_activate(struct work_struct *work)
1754{
1755 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1756 qos_activate);
1757 struct net_device *dev = priv->ieee80211->dev;
1758 struct ieee80211_qos_parameters *qos_parameters =
1759 &priv->ieee80211->current_network.qos_data.parameters;
1760 u8 mode = priv->ieee80211->current_network.mode;
1761 u32 u1bAIFS;
1762 u32 u4bAcParam;
1763 u32 op_limit;
1764 u32 cw_max;
1765 u32 cw_min;
1766 int i;
1767
1768 mutex_lock(&priv->mutex);
1769 if (priv->ieee80211->state != IEEE80211_LINKED)
1770 goto success;
1771 RT_TRACE(COMP_QOS,
1772 "qos active process with associate response received\n");
1773
1774
1775
1776
1777
1778
1779
1780 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1781
1782 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1783 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1784 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1785 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1786 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1787 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1788 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1789 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1790 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1791 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1792 }
1793
1794success:
1795 mutex_unlock(&priv->mutex);
1796}
1797
1798static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1799 int active_network,
1800 struct ieee80211_network *network)
1801{
1802 int ret = 0;
1803 u32 size = sizeof(struct ieee80211_qos_parameters);
1804
1805 if (priv->ieee80211->state != IEEE80211_LINKED)
1806 return ret;
1807
1808 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1809 return ret;
1810
1811 if (network->flags & NETWORK_HAS_QOS_MASK) {
1812 if (active_network &&
1813 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1814 network->qos_data.active = network->qos_data.supported;
1815
1816 if ((network->qos_data.active == 1) && (active_network == 1) &&
1817 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1818 (network->qos_data.old_param_count !=
1819 network->qos_data.param_count)) {
1820 network->qos_data.old_param_count =
1821 network->qos_data.param_count;
1822 schedule_work(&priv->qos_activate);
1823 RT_TRACE(COMP_QOS,
1824 "QoS parameters change call qos_activate\n");
1825 }
1826 } else {
1827 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1828 &def_qos_parameters, size);
1829
1830 if ((network->qos_data.active == 1) && (active_network == 1)) {
1831 schedule_work(&priv->qos_activate);
1832 RT_TRACE(COMP_QOS,
1833 "QoS was disabled call qos_activate\n");
1834 }
1835 network->qos_data.active = 0;
1836 network->qos_data.supported = 0;
1837 }
1838
1839 return 0;
1840}
1841
1842
1843static int rtl8192_handle_beacon(struct net_device *dev,
1844 struct ieee80211_beacon *beacon,
1845 struct ieee80211_network *network)
1846{
1847 struct r8192_priv *priv = ieee80211_priv(dev);
1848
1849 rtl8192_qos_handle_probe_response(priv, 1, network);
1850 schedule_delayed_work(&priv->update_beacon_wq, 0);
1851 return 0;
1852}
1853
1854
1855
1856
1857
1858
1859static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1860 struct ieee80211_network *network)
1861{
1862 unsigned long flags;
1863 u32 size = sizeof(struct ieee80211_qos_parameters);
1864 int set_qos_param = 0;
1865
1866 if (!priv || !network)
1867 return 0;
1868
1869 if (priv->ieee80211->state != IEEE80211_LINKED)
1870 return 0;
1871
1872 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1873 return 0;
1874
1875 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1876 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1877 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1878 &network->qos_data.parameters,
1879 sizeof(struct ieee80211_qos_parameters));
1880 priv->ieee80211->current_network.qos_data.active = 1;
1881 set_qos_param = 1;
1882
1883 priv->ieee80211->current_network.qos_data.old_param_count =
1884 priv->ieee80211->current_network.qos_data.param_count;
1885 priv->ieee80211->current_network.qos_data.param_count =
1886 network->qos_data.param_count;
1887 } else {
1888 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1889 &def_qos_parameters, size);
1890 priv->ieee80211->current_network.qos_data.active = 0;
1891 priv->ieee80211->current_network.qos_data.supported = 0;
1892 set_qos_param = 1;
1893 }
1894
1895 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1896
1897 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1898 network->flags,
1899 priv->ieee80211->current_network.qos_data.active);
1900 if (set_qos_param == 1)
1901 schedule_work(&priv->qos_activate);
1902
1903 return 0;
1904}
1905
1906static int rtl8192_handle_assoc_response(struct net_device *dev,
1907 struct ieee80211_assoc_response_frame *resp,
1908 struct ieee80211_network *network)
1909{
1910 struct r8192_priv *priv = ieee80211_priv(dev);
1911
1912 rtl8192_qos_association_resp(priv, network);
1913 return 0;
1914}
1915
1916static void rtl8192_update_ratr_table(struct net_device *dev)
1917{
1918 struct r8192_priv *priv = ieee80211_priv(dev);
1919 struct ieee80211_device *ieee = priv->ieee80211;
1920 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1921 u32 ratr_value = 0;
1922 u8 rate_index = 0;
1923
1924 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1925 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1926 switch (ieee->mode) {
1927 case IEEE_A:
1928 ratr_value &= 0x00000FF0;
1929 break;
1930 case IEEE_B:
1931 ratr_value &= 0x0000000F;
1932 break;
1933 case IEEE_G:
1934 ratr_value &= 0x00000FF7;
1935 break;
1936 case IEEE_N_24G:
1937 case IEEE_N_5G:
1938 if (ieee->pHTInfo->PeerMimoPs == MIMO_PS_STATIC) {
1939 ratr_value &= 0x0007F007;
1940 } else {
1941 if (priv->rf_type == RF_1T2R)
1942 ratr_value &= 0x000FF007;
1943 else
1944 ratr_value &= 0x0F81F007;
1945 }
1946 break;
1947 default:
1948 break;
1949 }
1950 ratr_value &= 0x0FFFFFFF;
1951 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
1952 ratr_value |= 0x80000000;
1953 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
1954 ieee->pHTInfo->bCurShortGI20MHz)
1955 ratr_value |= 0x80000000;
1956 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
1957 write_nic_byte(dev, UFWP, 1);
1958}
1959
1960static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
1961static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
1962static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
1963{
1964 struct r8192_priv *priv = ieee80211_priv(dev);
1965 struct ieee80211_device *ieee = priv->ieee80211;
1966 struct ieee80211_network *network = &ieee->current_network;
1967 int wpa_ie_len = ieee->wpa_ie_len;
1968 struct ieee80211_crypt_data *crypt;
1969 int encrypt;
1970
1971 crypt = ieee->crypt[ieee->tx_keyidx];
1972
1973
1974
1975 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
1976 (ieee->host_encrypt && crypt && crypt->ops &&
1977 (strcmp(crypt->ops->name, "WEP") == 0));
1978
1979
1980 if (encrypt && (wpa_ie_len == 0)) {
1981
1982 return false;
1983 } else if ((wpa_ie_len != 0)) {
1984
1985 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))))
1986 return true;
1987 else
1988 return false;
1989 } else {
1990 return true;
1991 }
1992
1993 return true;
1994}
1995
1996static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
1997{
1998 struct r8192_priv *priv = ieee80211_priv(dev);
1999
2000 return priv->ieee80211->bHalfWirelessN24GMode;
2001}
2002
2003static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2004{
2005 struct ieee80211_device *ieee = priv->ieee80211;
2006
2007
2008
2009 if (ieee->mode == WIRELESS_MODE_N_24G ||
2010 ieee->mode == WIRELESS_MODE_N_5G)
2011 memcpy(ieee->Regdot11HTOperationalRateSet,
2012 ieee->RegHTSuppRateSet, 16);
2013 else
2014 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2015}
2016
2017static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2018{
2019 struct r8192_priv *priv = ieee80211_priv(dev);
2020 u8 ret = 0;
2021
2022 switch (priv->rf_chip) {
2023 case RF_8225:
2024 case RF_8256:
2025 case RF_PSEUDO_11N:
2026 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2027 break;
2028 case RF_8258:
2029 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2030 break;
2031 default:
2032 ret = WIRELESS_MODE_B;
2033 break;
2034 }
2035 return ret;
2036}
2037
2038static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2039{
2040 struct r8192_priv *priv = ieee80211_priv(dev);
2041 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2042
2043 if (wireless_mode == WIRELESS_MODE_AUTO ||
2044 (wireless_mode & bSupportMode) == 0) {
2045 if (bSupportMode & WIRELESS_MODE_N_24G) {
2046 wireless_mode = WIRELESS_MODE_N_24G;
2047 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2048 wireless_mode = WIRELESS_MODE_N_5G;
2049 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2050 wireless_mode = WIRELESS_MODE_A;
2051 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2052 wireless_mode = WIRELESS_MODE_G;
2053 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2054 wireless_mode = WIRELESS_MODE_B;
2055 } else {
2056 RT_TRACE(COMP_ERR,
2057 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2058 __func__, bSupportMode);
2059 wireless_mode = WIRELESS_MODE_B;
2060 }
2061 }
2062 priv->ieee80211->mode = wireless_mode;
2063
2064 if (wireless_mode == WIRELESS_MODE_N_24G ||
2065 wireless_mode == WIRELESS_MODE_N_5G)
2066 priv->ieee80211->pHTInfo->bEnableHT = 1;
2067 else
2068 priv->ieee80211->pHTInfo->bEnableHT = 0;
2069 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2070 rtl8192_refresh_supportrate(priv);
2071}
2072
2073
2074static int rtl8192_init_priv_variable(struct net_device *dev)
2075{
2076 struct r8192_priv *priv = ieee80211_priv(dev);
2077 u8 i;
2078
2079 priv->card_8192 = NIC_8192U;
2080 priv->chan = 1;
2081 priv->ieee80211->mode = WIRELESS_MODE_AUTO;
2082 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2083 priv->ieee80211->ieee_up = 0;
2084 priv->retry_rts = DEFAULT_RETRY_RTS;
2085 priv->retry_data = DEFAULT_RETRY_DATA;
2086 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2087 priv->ieee80211->rate = 110;
2088 priv->ieee80211->short_slot = 1;
2089 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2090 priv->CckPwEnl = 6;
2091
2092 priv->IrpPendingCount = 1;
2093 priv->ResetProgress = RESET_TYPE_NORESET;
2094 priv->bForcedSilentReset = false;
2095 priv->bDisableNormalResetCheck = false;
2096 priv->force_reset = false;
2097
2098
2099 priv->ieee80211->FwRWRF = 0;
2100 priv->ieee80211->current_network.beacon_interval =
2101 DEFAULT_BEACONINTERVAL;
2102 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2103 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2104 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2105 IEEE_SOFTMAC_BEACONS;
2106
2107 priv->ieee80211->active_scan = 1;
2108 priv->ieee80211->modulation =
2109 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2110 priv->ieee80211->host_encrypt = 1;
2111 priv->ieee80211->host_decrypt = 1;
2112 priv->ieee80211->start_send_beacons = NULL;
2113 priv->ieee80211->stop_send_beacons = NULL;
2114 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2115 priv->ieee80211->set_chan = rtl8192_set_chan;
2116 priv->ieee80211->link_change = rtl8192_link_change;
2117 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2118 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2119 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2120 priv->ieee80211->init_wmmparam_flag = 0;
2121 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2122 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2123 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2124 priv->ieee80211->qos_support = 1;
2125
2126 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2127 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2128 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2129
2130 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2131 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2132 GetHalfNmodeSupportByAPs819xUsb;
2133 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2134
2135 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2136 priv->card_type = USB;
2137 priv->ShortRetryLimit = 0x30;
2138 priv->LongRetryLimit = 0x30;
2139 priv->EarlyRxThreshold = 7;
2140 priv->enable_gpio0 = 0;
2141 priv->TransmitConfig =
2142
2143 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2144
2145 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2146
2147 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2148
2149
2150
2151 (false ? TCR_SAT : 0);
2152 priv->ReceiveConfig =
2153
2154 RCR_AMF | RCR_ADF |
2155
2156 RCR_ACF |
2157
2158 RCR_AB | RCR_AM | RCR_APM |
2159
2160 ((u32)7 << RCR_MXDMA_OFFSET) |
2161
2162 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2163 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2164
2165 priv->AcmControl = 0;
2166 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2167 if (!priv->pFirmware)
2168 return -ENOMEM;
2169
2170
2171 skb_queue_head_init(&priv->rx_queue);
2172 skb_queue_head_init(&priv->skb_queue);
2173
2174
2175 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2176 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2177 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2178 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2179 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2180 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2181 priv->rf_set_chan = rtl8192_phy_SwChnl;
2182
2183 return 0;
2184}
2185
2186
2187static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2188{
2189 spin_lock_init(&priv->tx_lock);
2190 spin_lock_init(&priv->irq_lock);
2191 mutex_init(&priv->wx_mutex);
2192 mutex_init(&priv->mutex);
2193}
2194
2195static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2196
2197static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t);
2198
2199#define DRV_NAME "wlan0"
2200static void rtl8192_init_priv_task(struct net_device *dev)
2201{
2202 struct r8192_priv *priv = ieee80211_priv(dev);
2203
2204 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2205
2206 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2207 rtl819x_watchdog_wqcallback);
2208 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2209 dm_txpower_trackingcallback);
2210 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2211 dm_rf_pathcheck_workitemcallback);
2212 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2213 rtl8192_update_beacon);
2214 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2215 InitialGainOperateWorkItemCallBack);
2216 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2217
2218 tasklet_setup(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet);
2219}
2220
2221static void rtl8192_get_eeprom_size(struct net_device *dev)
2222{
2223 u16 curCR = 0;
2224 struct r8192_priv *priv = ieee80211_priv(dev);
2225
2226 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2227 read_nic_word_E(dev, EPROM_CMD, &curCR);
2228 RT_TRACE(COMP_EPROM,
2229 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2230
2231 priv->epromtype =
2232 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2233 RT_TRACE(COMP_EPROM,
2234 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2235}
2236
2237
2238
2239
2240static inline u16 endian_swap(u16 *data)
2241{
2242 u16 tmp = *data;
2243 *data = (tmp >> 8) | (tmp << 8);
2244 return *data;
2245}
2246
2247static int rtl8192_read_eeprom_info(struct net_device *dev)
2248{
2249 u16 wEPROM_ID = 0;
2250 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2251 u8 bLoad_From_EEPOM = false;
2252 struct r8192_priv *priv = ieee80211_priv(dev);
2253 u16 tmpValue = 0;
2254 int i;
2255 int ret;
2256
2257 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2258 ret = eprom_read(dev, 0);
2259 if (ret < 0)
2260 return ret;
2261 wEPROM_ID = (u16)ret;
2262 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2263
2264 if (wEPROM_ID != RTL8190_EEPROM_ID)
2265 RT_TRACE(COMP_ERR,
2266 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2267 wEPROM_ID, RTL8190_EEPROM_ID);
2268 else
2269 bLoad_From_EEPOM = true;
2270
2271 if (bLoad_From_EEPOM) {
2272 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2273 ret = eprom_read(dev, EEPROM_VID >> 1);
2274 if (ret < 0)
2275 return ret;
2276 tmpValue = (u16)ret;
2277 priv->eeprom_vid = endian_swap(&tmpValue);
2278 ret = eprom_read(dev, EEPROM_PID >> 1);
2279 if (ret < 0)
2280 return ret;
2281 priv->eeprom_pid = (u16)ret;
2282 ret = eprom_read(dev, EEPROM_CHANNEL_PLAN >> 1);
2283 if (ret < 0)
2284 return ret;
2285 tmpValue = (u16)ret;
2286 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2287 priv->btxpowerdata_readfromEEPORM = true;
2288 ret = eprom_read(dev, (EEPROM_CUSTOMER_ID >> 1)) >> 8;
2289 if (ret < 0)
2290 return ret;
2291 priv->eeprom_CustomerID = (u16)ret;
2292 } else {
2293 priv->eeprom_vid = 0;
2294 priv->eeprom_pid = 0;
2295 priv->card_8192_version = VERSION_819XU_B;
2296 priv->eeprom_ChannelPlan = 0;
2297 priv->eeprom_CustomerID = 0;
2298 }
2299 RT_TRACE(COMP_EPROM,
2300 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2301 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2302 priv->eeprom_ChannelPlan);
2303
2304 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2305 if (bLoad_From_EEPOM) {
2306 for (i = 0; i < 6; i += 2) {
2307 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2308 if (ret < 0)
2309 return ret;
2310 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2311 }
2312 } else {
2313 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2314
2315 }
2316 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2317 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2318 priv->rf_chip = RF_8256;
2319
2320 if (priv->card_8192_version == VERSION_819XU_A) {
2321
2322 if (bLoad_From_EEPOM) {
2323 ret = eprom_read(dev, (EEPROM_TX_POWER_DIFF >> 1));
2324 if (ret < 0)
2325 return ret;
2326 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2327 } else
2328 priv->EEPROMTxPowerDiff = EEPROM_DEFAULT_TX_POWER;
2329 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2330
2331 if (bLoad_From_EEPOM) {
2332 ret = eprom_read(dev, (EEPROM_THERMAL_METER >> 1));
2333 if (ret < 0)
2334 return ret;
2335 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2336 } else
2337 priv->EEPROMThermalMeter = EEPROM_DEFAULT_THERNAL_METER;
2338 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2339
2340 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2341
2342 if (bLoad_From_EEPOM) {
2343 ret = eprom_read(dev, (EEPROM_PW_DIFF >> 1));
2344 if (ret < 0)
2345 return ret;
2346 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2347 } else
2348 priv->EEPROMPwDiff = EEPROM_DEFAULT_PW_DIFF;
2349 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2350
2351 if (bLoad_From_EEPOM) {
2352 ret = eprom_read(dev, (EEPROM_CRYSTAL_CAP >> 1));
2353 if (ret < 0)
2354 return ret;
2355 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2356 } else
2357 priv->EEPROMCrystalCap = EEPROM_DEFAULT_CRYSTAL_CAP;
2358 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2359
2360 if (bLoad_From_EEPOM) {
2361 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_VER >> 1));
2362 if (ret < 0)
2363 return ret;
2364 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2365 } else
2366 priv->EEPROM_Def_Ver = 1;
2367 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2368 if (priv->EEPROM_Def_Ver == 0) {
2369 if (bLoad_From_EEPOM) {
2370 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK >> 1));
2371 if (ret < 0)
2372 return ret;
2373 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
2374 } else
2375 priv->EEPROMTxPowerLevelCCK = 0x10;
2376 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2377 for (i = 0; i < 3; i++) {
2378 if (bLoad_From_EEPOM) {
2379 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G + i) >> 1);
2380 if (ret < 0)
2381 return ret;
2382 if (((EEPROM_TX_PW_INDEX_OFDM_24G + i) % 2) == 0)
2383 tmpValue = (u16)ret & 0x00ff;
2384 else
2385 tmpValue = ((u16)ret & 0xff00) >> 8;
2386 } else {
2387 tmpValue = 0x10;
2388 }
2389 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2390 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2391 }
2392 } else if (priv->EEPROM_Def_Ver == 1) {
2393 if (bLoad_From_EEPOM) {
2394 ret = eprom_read(dev, EEPROM_TX_PW_INDEX_CCK_V1 >> 1);
2395 if (ret < 0)
2396 return ret;
2397 tmpValue = ((u16)ret & 0xff00) >> 8;
2398 } else {
2399 tmpValue = 0x10;
2400 }
2401 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2402
2403 if (bLoad_From_EEPOM) {
2404 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK_V1 + 2) >> 1);
2405 if (ret < 0)
2406 return ret;
2407 tmpValue = (u16)ret;
2408 } else
2409 tmpValue = 0x1010;
2410 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2411 if (bLoad_From_EEPOM)
2412 tmpValue = eprom_read(dev,
2413 EEPROM_TX_PW_INDEX_OFDM_24G_V1 >> 1);
2414 else
2415 tmpValue = 0x1010;
2416 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2417 if (bLoad_From_EEPOM)
2418 tmpValue = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G_V1 + 2) >> 1);
2419 else
2420 tmpValue = 0x10;
2421 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2422 }
2423
2424
2425 for (i = 0; i < 14; i++) {
2426 if (i <= 3)
2427 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2428 else if (i >= 4 && i <= 9)
2429 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2430 else
2431 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2432 }
2433
2434 for (i = 0; i < 14; i++) {
2435 if (priv->EEPROM_Def_Ver == 0) {
2436 if (i <= 3)
2437 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2438 else if (i >= 4 && i <= 9)
2439 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2440 else
2441 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2442 } else if (priv->EEPROM_Def_Ver == 1) {
2443 if (i <= 3)
2444 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2445 else if (i >= 4 && i <= 9)
2446 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2447 else
2448 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2449 }
2450 }
2451 priv->TxPowerDiff = priv->EEPROMPwDiff;
2452
2453 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2454
2455 priv->AntennaTxPwDiff[1] =
2456 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2457
2458 priv->CrystalCap = priv->EEPROMCrystalCap;
2459
2460
2461
2462 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2463 }
2464
2465
2466 switch (priv->eeprom_CustomerID) {
2467 case EEPROM_CID_RUNTOP:
2468 priv->CustomerID = RT_CID_819x_RUNTOP;
2469 break;
2470
2471 case EEPROM_CID_DLINK:
2472 priv->CustomerID = RT_CID_DLINK;
2473 break;
2474
2475 default:
2476 priv->CustomerID = RT_CID_DEFAULT;
2477 break;
2478 }
2479
2480 switch (priv->CustomerID) {
2481 case RT_CID_819x_RUNTOP:
2482 priv->LedStrategy = SW_LED_MODE2;
2483 break;
2484
2485 case RT_CID_DLINK:
2486 priv->LedStrategy = SW_LED_MODE4;
2487 break;
2488
2489 default:
2490 priv->LedStrategy = SW_LED_MODE0;
2491 break;
2492 }
2493
2494 if (priv->rf_type == RF_1T2R)
2495 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2496 else
2497 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2498
2499
2500
2501
2502 init_rate_adaptive(dev);
2503
2504 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2505
2506 return 0;
2507}
2508
2509static short rtl8192_get_channel_map(struct net_device *dev)
2510{
2511 struct r8192_priv *priv = ieee80211_priv(dev);
2512
2513 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2514 netdev_err(dev,
2515 "rtl8180_init: Error channel plan! Set to default.\n");
2516 priv->ChannelPlan = 0;
2517 }
2518 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2519
2520 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2521 return 0;
2522}
2523
2524static short rtl8192_init(struct net_device *dev)
2525{
2526 struct r8192_priv *priv = ieee80211_priv(dev);
2527 int err;
2528
2529 memset(&(priv->stats), 0, sizeof(struct Stats));
2530 memset(priv->txqueue_to_outpipemap, 0, 9);
2531#ifdef PIPE12
2532 {
2533 int i = 0;
2534 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2535
2536 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2537 }
2538#else
2539 {
2540 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2541
2542 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2543 }
2544#endif
2545 err = rtl8192_init_priv_variable(dev);
2546 if (err)
2547 return err;
2548
2549 rtl8192_init_priv_lock(priv);
2550 rtl8192_init_priv_task(dev);
2551 rtl8192_get_eeprom_size(dev);
2552 err = rtl8192_read_eeprom_info(dev);
2553 if (err) {
2554 DMESG("Reading EEPROM info failed");
2555 return err;
2556 }
2557 rtl8192_get_channel_map(dev);
2558 init_hal_dm(dev);
2559 timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2560 if (rtl8192_usb_initendpoints(dev) != 0) {
2561 DMESG("Endopoints initialization failed");
2562 return -ENOMEM;
2563 }
2564
2565 return 0;
2566}
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576static void rtl8192_hwconfig(struct net_device *dev)
2577{
2578 u32 regRATR = 0, regRRSR = 0;
2579 u8 regBwOpMode = 0, regTmp = 0;
2580 struct r8192_priv *priv = ieee80211_priv(dev);
2581 u32 ratr_value = 0;
2582
2583
2584 switch (priv->ieee80211->mode) {
2585 case WIRELESS_MODE_B:
2586 regBwOpMode = BW_OPMODE_20MHZ;
2587 regRATR = RATE_ALL_CCK;
2588 regRRSR = RATE_ALL_CCK;
2589 break;
2590 case WIRELESS_MODE_A:
2591 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2592 regRATR = RATE_ALL_OFDM_AG;
2593 regRRSR = RATE_ALL_OFDM_AG;
2594 break;
2595 case WIRELESS_MODE_G:
2596 regBwOpMode = BW_OPMODE_20MHZ;
2597 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2598 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2599 break;
2600 case WIRELESS_MODE_AUTO:
2601 regBwOpMode = BW_OPMODE_20MHZ;
2602 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2603 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2604 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2605 break;
2606 case WIRELESS_MODE_N_24G:
2607
2608
2609
2610 regBwOpMode = BW_OPMODE_20MHZ;
2611 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2612 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2613 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2614 break;
2615 case WIRELESS_MODE_N_5G:
2616 regBwOpMode = BW_OPMODE_5G;
2617 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2618 RATE_ALL_OFDM_2SS;
2619 regRRSR = RATE_ALL_OFDM_AG;
2620 break;
2621 }
2622
2623 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2624 ratr_value = regRATR;
2625 if (priv->rf_type == RF_1T2R)
2626 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2627 write_nic_dword(dev, RATR0, ratr_value);
2628 write_nic_byte(dev, UFWP, 1);
2629 read_nic_byte(dev, 0x313, ®Tmp);
2630 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2631 write_nic_dword(dev, RRSR, regRRSR);
2632
2633
2634 write_nic_word(dev, RETRY_LIMIT,
2635 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2636 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2637
2638
2639
2640
2641
2642
2643
2644}
2645
2646
2647static bool rtl8192_adapter_start(struct net_device *dev)
2648{
2649 struct r8192_priv *priv = ieee80211_priv(dev);
2650 u32 dwRegRead = 0;
2651 bool init_status = true;
2652 u8 SECR_value = 0x0;
2653 u8 tmp;
2654
2655 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2656 priv->Rf_Mode = RF_OP_By_SW_3wire;
2657
2658 write_nic_byte_E(dev, 0x5f, 0x80);
2659 mdelay(50);
2660 write_nic_byte_E(dev, 0x5f, 0xf0);
2661 write_nic_byte_E(dev, 0x5d, 0x00);
2662 write_nic_byte_E(dev, 0x5e, 0x80);
2663 write_nic_byte(dev, 0x17, 0x37);
2664 mdelay(10);
2665 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2666
2667
2668 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2669 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2670 dwRegRead |= CPU_GEN_SYSTEM_RESET;
2671 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2672 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2673 else
2674 RT_TRACE(COMP_ERR,
2675 "ERROR in %s(): undefined firmware state(%d)\n",
2676 __func__, priv->pFirmware->firmware_status);
2677
2678 write_nic_dword(dev, CPU_GEN, dwRegRead);
2679
2680 rtl8192_BBConfig(dev);
2681
2682
2683 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2684
2685 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2686 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2687 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2688 CPU_GEN_NO_LOOPBACK_SET;
2689 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2690 dwRegRead |= CPU_CCK_LOOPBACK;
2691 else
2692 RT_TRACE(COMP_ERR,
2693 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2694 __func__, priv->LoopbackMode);
2695
2696 write_nic_dword(dev, CPU_GEN, dwRegRead);
2697
2698
2699 udelay(500);
2700
2701
2702 read_nic_byte_E(dev, 0x5f, &tmp);
2703 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2704
2705
2706 rtl8192_hwconfig(dev);
2707
2708
2709 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2710
2711
2712 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2713 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2714
2715
2716 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2717
2718
2719 write_nic_dword(dev, RQPN1,
2720 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2721 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2722 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2723 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2724 write_nic_dword(dev, RQPN2,
2725 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2726 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2727 write_nic_dword(dev, RQPN3,
2728 APPLIED_RESERVED_QUEUE_IN_FW |
2729 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2730 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2731
2732
2733
2734 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2735
2736 if (priv->ResetProgress == RESET_TYPE_NORESET)
2737 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2738 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2739 CamResetAllEntry(dev);
2740 SECR_value |= SCR_TxEncEnable;
2741 SECR_value |= SCR_RxDecEnable;
2742 SECR_value |= SCR_NoSKMC;
2743 write_nic_byte(dev, SECR, SECR_value);
2744 }
2745
2746
2747 write_nic_word(dev, ATIMWND, 2);
2748 write_nic_word(dev, BCN_INTERVAL, 100);
2749
2750#define DEFAULT_EDCA 0x005e4332
2751 {
2752 int i;
2753
2754 for (i = 0; i < QOS_QUEUE_NUM; i++)
2755 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2756 }
2757
2758 rtl8192_phy_configmac(dev);
2759
2760 if (priv->card_8192_version == VERSION_819XU_A) {
2761 rtl8192_phy_getTxPower(dev);
2762 rtl8192_phy_setTxPower(dev, priv->chan);
2763 }
2764
2765
2766 init_status = init_firmware(dev);
2767 if (!init_status) {
2768 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2769 __func__);
2770 return init_status;
2771 }
2772 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2773
2774
2775 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2776 rtl8192_phy_RFConfig(dev);
2777 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2778 }
2779
2780 if (priv->ieee80211->FwRWRF)
2781
2782 priv->Rf_Mode = RF_OP_By_FW;
2783 else
2784 priv->Rf_Mode = RF_OP_By_SW_3wire;
2785
2786 rtl8192_phy_updateInitGain(dev);
2787
2788 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2789 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2790
2791 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2792
2793 u8 tmpvalue;
2794
2795 read_nic_byte(dev, 0x301, &tmpvalue);
2796 if (tmpvalue == 0x03) {
2797 priv->bDcut = true;
2798 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2799 } else {
2800 priv->bDcut = false;
2801 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2802 }
2803 dm_initialize_txpower_tracking(dev);
2804
2805 if (priv->bDcut) {
2806 u32 i, TempCCk;
2807 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2808 rOFDM0_XATxIQImbalance,
2809 bMaskDWord);
2810
2811 for (i = 0; i < TxBBGainTableLength; i++) {
2812 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2813 priv->rfa_txpowertrackingindex = (u8)i;
2814 priv->rfa_txpowertrackingindex_real =
2815 (u8)i;
2816 priv->rfa_txpowertracking_default =
2817 priv->rfa_txpowertrackingindex;
2818 break;
2819 }
2820 }
2821
2822 TempCCk = rtl8192_QueryBBReg(dev,
2823 rCCK0_TxFilter1,
2824 bMaskByte2);
2825
2826 for (i = 0; i < CCKTxBBGainTableLength; i++) {
2827 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2828 priv->cck_present_attenuation_20Mdefault = (u8)i;
2829 break;
2830 }
2831 }
2832 priv->cck_present_attenuation_40Mdefault = 0;
2833 priv->cck_present_attenuation_difference = 0;
2834 priv->cck_present_attenuation =
2835 priv->cck_present_attenuation_20Mdefault;
2836 }
2837 }
2838 write_nic_byte(dev, 0x87, 0x0);
2839
2840 return init_status;
2841}
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851static struct net_device_stats *rtl8192_stats(struct net_device *dev)
2852{
2853 struct r8192_priv *priv = ieee80211_priv(dev);
2854
2855 return &priv->ieee80211->stats;
2856}
2857
2858static bool HalTxCheckStuck819xUsb(struct net_device *dev)
2859{
2860 struct r8192_priv *priv = ieee80211_priv(dev);
2861 u16 RegTxCounter;
2862 bool bStuck = false;
2863
2864 read_nic_word(dev, 0x128, &RegTxCounter);
2865 RT_TRACE(COMP_RESET,
2866 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
2867 RegTxCounter, priv->TxCounter);
2868 if (priv->TxCounter == RegTxCounter)
2869 bStuck = true;
2870
2871 priv->TxCounter = RegTxCounter;
2872
2873 return bStuck;
2874}
2875
2876
2877
2878
2879
2880static RESET_TYPE TxCheckStuck(struct net_device *dev)
2881{
2882 struct r8192_priv *priv = ieee80211_priv(dev);
2883 u8 QueueID;
2884 bool bCheckFwTxCnt = false;
2885
2886
2887
2888 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
2889 if (QueueID == TXCMD_QUEUE)
2890 continue;
2891 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
2892 continue;
2893
2894 bCheckFwTxCnt = true;
2895 }
2896 if (bCheckFwTxCnt) {
2897 if (HalTxCheckStuck819xUsb(dev)) {
2898 RT_TRACE(COMP_RESET,
2899 "%s: Fw indicates no Tx condition!\n",
2900 __func__);
2901 return RESET_TYPE_SILENT;
2902 }
2903 }
2904 return RESET_TYPE_NORESET;
2905}
2906
2907static bool HalRxCheckStuck819xUsb(struct net_device *dev)
2908{
2909 u16 RegRxCounter;
2910 struct r8192_priv *priv = ieee80211_priv(dev);
2911 bool bStuck = false;
2912 static u8 rx_chk_cnt;
2913
2914 read_nic_word(dev, 0x130, &RegRxCounter);
2915 RT_TRACE(COMP_RESET,
2916 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
2917 RegRxCounter, priv->RxCounter);
2918
2919
2920
2921 rx_chk_cnt++;
2922 if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
2923 rx_chk_cnt = 0;
2924 } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
2925 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
2926 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
2927 if (rx_chk_cnt < 2)
2928 return bStuck;
2929
2930 rx_chk_cnt = 0;
2931 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
2932 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
2933 priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
2934 if (rx_chk_cnt < 4)
2935 return bStuck;
2936
2937 rx_chk_cnt = 0;
2938 } else {
2939 if (rx_chk_cnt < 8)
2940 return bStuck;
2941
2942 rx_chk_cnt = 0;
2943 }
2944
2945 if (priv->RxCounter == RegRxCounter)
2946 bStuck = true;
2947
2948 priv->RxCounter = RegRxCounter;
2949
2950 return bStuck;
2951}
2952
2953static RESET_TYPE RxCheckStuck(struct net_device *dev)
2954{
2955 struct r8192_priv *priv = ieee80211_priv(dev);
2956 bool bRxCheck = false;
2957
2958 if (priv->IrpPendingCount > 1)
2959 bRxCheck = true;
2960
2961 if (bRxCheck) {
2962 if (HalRxCheckStuck819xUsb(dev)) {
2963 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2964 return RESET_TYPE_SILENT;
2965 }
2966 }
2967 return RESET_TYPE_NORESET;
2968}
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
2982{
2983 struct r8192_priv *priv = ieee80211_priv(dev);
2984 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
2985 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2986 RT_RF_POWER_STATE rfState;
2987
2988 rfState = priv->ieee80211->eRFPowerState;
2989
2990 TxResetType = TxCheckStuck(dev);
2991 if (rfState != eRfOff ||
2992 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005 RxResetType = RxCheckStuck(dev);
3006 }
3007 if (TxResetType == RESET_TYPE_NORMAL ||
3008 RxResetType == RESET_TYPE_NORMAL) {
3009 return RESET_TYPE_NORMAL;
3010 } else if (TxResetType == RESET_TYPE_SILENT ||
3011 RxResetType == RESET_TYPE_SILENT) {
3012 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3013 return RESET_TYPE_SILENT;
3014 } else {
3015 return RESET_TYPE_NORESET;
3016 }
3017}
3018
3019static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3020static int _rtl8192_up(struct net_device *dev);
3021static int rtl8192_close(struct net_device *dev);
3022
3023static void CamRestoreAllEntry(struct net_device *dev)
3024{
3025 u8 EntryId = 0;
3026 struct r8192_priv *priv = ieee80211_priv(dev);
3027 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3028
3029 static u8 CAM_CONST_ADDR[4][6] = {
3030 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3031 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3032 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3033 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3034 static u8 CAM_CONST_BROAD[] = {
3035 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3036
3037 RT_TRACE(COMP_SEC, "%s:\n", __func__);
3038
3039 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3040 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3041 for (EntryId = 0; EntryId < 4; EntryId++) {
3042 MacAddr = CAM_CONST_ADDR[EntryId];
3043 setKey(dev, EntryId, EntryId,
3044 priv->ieee80211->pairwise_key_type,
3045 MacAddr, 0, NULL);
3046 }
3047
3048 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3049 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3050 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3051 (u8 *)dev->dev_addr, 0, NULL);
3052 else
3053 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3054 MacAddr, 0, NULL);
3055 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3056 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3057 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3058 (u8 *)dev->dev_addr, 0, NULL);
3059 else
3060 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3061 MacAddr, 0, NULL);
3062 }
3063
3064 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3065 MacAddr = CAM_CONST_BROAD;
3066 for (EntryId = 1; EntryId < 4; EntryId++) {
3067 setKey(dev, EntryId, EntryId,
3068 priv->ieee80211->group_key_type,
3069 MacAddr, 0, NULL);
3070 }
3071 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3072 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3073 CAM_CONST_ADDR[0], 0, NULL);
3074 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3075 MacAddr = CAM_CONST_BROAD;
3076 for (EntryId = 1; EntryId < 4; EntryId++) {
3077 setKey(dev, EntryId, EntryId,
3078 priv->ieee80211->group_key_type,
3079 MacAddr, 0, NULL);
3080 }
3081
3082 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3083 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3084 CAM_CONST_ADDR[0], 0, NULL);
3085 }
3086}
3087
3088
3089
3090
3091
3092
3093static void rtl819x_ifsilentreset(struct net_device *dev)
3094{
3095 struct r8192_priv *priv = ieee80211_priv(dev);
3096 u8 reset_times = 0;
3097 int reset_status = 0;
3098 struct ieee80211_device *ieee = priv->ieee80211;
3099
3100
3101
3102
3103 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3104RESET_START:
3105
3106 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3107
3108
3109 priv->ResetProgress = RESET_TYPE_SILENT;
3110 mutex_lock(&priv->wx_mutex);
3111 if (priv->up == 0) {
3112 RT_TRACE(COMP_ERR,
3113 "%s():the driver is not up! return\n",
3114 __func__);
3115 mutex_unlock(&priv->wx_mutex);
3116 return;
3117 }
3118 priv->up = 0;
3119 RT_TRACE(COMP_RESET,
3120 "%s():======>start to down the driver\n",
3121 __func__);
3122
3123 rtl8192_rtx_disable(dev);
3124 rtl8192_cancel_deferred_work(priv);
3125 deinit_hal_dm(dev);
3126 del_timer_sync(&priv->watch_dog_timer);
3127
3128 ieee->sync_scan_hurryup = 1;
3129 if (ieee->state == IEEE80211_LINKED) {
3130 mutex_lock(&ieee->wx_mutex);
3131 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3132 ieee80211_stop_send_beacons(priv->ieee80211);
3133 del_timer_sync(&ieee->associate_timer);
3134 cancel_delayed_work(&ieee->associate_retry_wq);
3135 ieee80211_stop_scan(ieee);
3136 netif_carrier_off(dev);
3137 mutex_unlock(&ieee->wx_mutex);
3138 } else {
3139 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3140 ieee80211_softmac_stop_protocol(priv->ieee80211);
3141 }
3142 mutex_unlock(&priv->wx_mutex);
3143 RT_TRACE(COMP_RESET,
3144 "%s():<==========down process is finished\n",
3145 __func__);
3146 RT_TRACE(COMP_RESET,
3147 "%s():===========>start up the driver\n",
3148 __func__);
3149 reset_status = _rtl8192_up(dev);
3150
3151 RT_TRACE(COMP_RESET,
3152 "%s():<===========up process is finished\n",
3153 __func__);
3154 if (reset_status == -EAGAIN) {
3155 if (reset_times < 3) {
3156 reset_times++;
3157 goto RESET_START;
3158 } else {
3159 RT_TRACE(COMP_ERR,
3160 " ERR!!! %s(): Reset Failed!!\n",
3161 __func__);
3162 }
3163 }
3164 ieee->is_silent_reset = 1;
3165 EnableHWSecurityConfig8192(dev);
3166 if (ieee->state == IEEE80211_LINKED &&
3167 ieee->iw_mode == IW_MODE_INFRA) {
3168 ieee->set_chan(ieee->dev,
3169 ieee->current_network.channel);
3170
3171 queue_work(ieee->wq, &ieee->associate_complete_wq);
3172
3173 } else if (ieee->state == IEEE80211_LINKED &&
3174 ieee->iw_mode == IW_MODE_ADHOC) {
3175 ieee->set_chan(ieee->dev,
3176 ieee->current_network.channel);
3177 ieee->link_change(ieee->dev);
3178
3179 ieee80211_start_send_beacons(ieee);
3180
3181 if (ieee->data_hard_resume)
3182 ieee->data_hard_resume(ieee->dev);
3183 netif_carrier_on(ieee->dev);
3184 }
3185
3186 CamRestoreAllEntry(dev);
3187
3188 priv->ResetProgress = RESET_TYPE_NORESET;
3189 priv->reset_count++;
3190
3191 priv->bForcedSilentReset = false;
3192 priv->bResetInProgress = false;
3193
3194
3195 write_nic_byte(dev, UFWP, 1);
3196 RT_TRACE(COMP_RESET,
3197 "Reset finished!! ====>[%d]\n",
3198 priv->reset_count);
3199 }
3200}
3201
3202static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3203 u32 *TotalRxDataNum)
3204{
3205 u16 SlotIndex;
3206 u16 i;
3207
3208 *TotalRxBcnNum = 0;
3209 *TotalRxDataNum = 0;
3210
3211 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3212 (priv->ieee80211->LinkDetectInfo.SlotNum);
3213 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3214 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3215 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3216 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3217 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3218 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3219 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3220 }
3221}
3222
3223static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3224{
3225 struct delayed_work *dwork = to_delayed_work(work);
3226 struct r8192_priv *priv = container_of(dwork,
3227 struct r8192_priv, watch_dog_wq);
3228 struct net_device *dev = priv->ieee80211->dev;
3229 struct ieee80211_device *ieee = priv->ieee80211;
3230 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3231 static u8 check_reset_cnt;
3232 bool bBusyTraffic = false;
3233 u32 TotalRxBcnNum = 0;
3234 u32 TotalRxDataNum = 0;
3235
3236 if (!priv->up)
3237 return;
3238 hal_dm_watchdog(dev);
3239
3240
3241 if (ieee->state == IEEE80211_LINKED) {
3242 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3243 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3244 bBusyTraffic = true;
3245 }
3246 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3247 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3248 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3249 }
3250
3251 if (priv->ieee80211->state == IEEE80211_LINKED &&
3252 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3253 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3254 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3255#ifdef TODO
3256 if (rfState == eRfOff)
3257 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3258#endif
3259 netdev_dbg(dev,
3260 "===>%s(): AP is power off, connect another one\n",
3261 __func__);
3262 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3263 notify_wx_assoc_event(priv->ieee80211);
3264 RemovePeerTS(priv->ieee80211,
3265 priv->ieee80211->current_network.bssid);
3266 priv->ieee80211->link_change(dev);
3267 queue_work(priv->ieee80211->wq,
3268 &priv->ieee80211->associate_procedure_wq);
3269 }
3270 }
3271 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3272 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3273
3274 if (check_reset_cnt++ >= 3) {
3275 ResetType = rtl819x_ifcheck_resetornot(dev);
3276 check_reset_cnt = 3;
3277 }
3278
3279 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3280 (priv->bForcedSilentReset ||
3281 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3282 RT_TRACE(COMP_RESET,
3283 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3284 __func__, priv->force_reset, priv->ResetProgress,
3285 priv->bForcedSilentReset,
3286 priv->bDisableNormalResetCheck, ResetType);
3287 rtl819x_ifsilentreset(dev);
3288 }
3289 priv->force_reset = false;
3290 priv->bForcedSilentReset = false;
3291 priv->bResetInProgress = false;
3292 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3293}
3294
3295static void watch_dog_timer_callback(struct timer_list *t)
3296{
3297 struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3298
3299 schedule_delayed_work(&priv->watch_dog_wq, 0);
3300 mod_timer(&priv->watch_dog_timer,
3301 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3302}
3303
3304static int _rtl8192_up(struct net_device *dev)
3305{
3306 struct r8192_priv *priv = ieee80211_priv(dev);
3307 int init_status = 0;
3308
3309 priv->up = 1;
3310 priv->ieee80211->ieee_up = 1;
3311 RT_TRACE(COMP_INIT, "Bringing up iface");
3312 init_status = rtl8192_adapter_start(dev);
3313 if (!init_status) {
3314 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3315 __func__);
3316 priv->up = priv->ieee80211->ieee_up = 0;
3317 return -EAGAIN;
3318 }
3319 RT_TRACE(COMP_INIT, "start adapter finished\n");
3320 rtl8192_rx_enable(dev);
3321 if (priv->ieee80211->state != IEEE80211_LINKED)
3322 ieee80211_softmac_start_protocol(priv->ieee80211);
3323 ieee80211_reset_queue(priv->ieee80211);
3324 watch_dog_timer_callback(&priv->watch_dog_timer);
3325 if (!netif_queue_stopped(dev))
3326 netif_start_queue(dev);
3327 else
3328 netif_wake_queue(dev);
3329
3330 return 0;
3331}
3332
3333static int rtl8192_open(struct net_device *dev)
3334{
3335 struct r8192_priv *priv = ieee80211_priv(dev);
3336 int ret;
3337
3338 mutex_lock(&priv->wx_mutex);
3339 ret = rtl8192_up(dev);
3340 mutex_unlock(&priv->wx_mutex);
3341 return ret;
3342}
3343
3344int rtl8192_up(struct net_device *dev)
3345{
3346 struct r8192_priv *priv = ieee80211_priv(dev);
3347
3348 if (priv->up == 1)
3349 return -1;
3350
3351 return _rtl8192_up(dev);
3352}
3353
3354static int rtl8192_close(struct net_device *dev)
3355{
3356 struct r8192_priv *priv = ieee80211_priv(dev);
3357 int ret;
3358
3359 mutex_lock(&priv->wx_mutex);
3360
3361 ret = rtl8192_down(dev);
3362
3363 mutex_unlock(&priv->wx_mutex);
3364
3365 return ret;
3366}
3367
3368int rtl8192_down(struct net_device *dev)
3369{
3370 struct r8192_priv *priv = ieee80211_priv(dev);
3371 int i;
3372
3373 if (priv->up == 0)
3374 return -1;
3375
3376 priv->up = 0;
3377 priv->ieee80211->ieee_up = 0;
3378 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3379
3380 if (!netif_queue_stopped(dev))
3381 netif_stop_queue(dev);
3382
3383 rtl8192_rtx_disable(dev);
3384
3385
3386 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3387 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3388 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3389 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3390
3391 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3392 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3393
3394
3395
3396
3397 rtl8192_cancel_deferred_work(priv);
3398 deinit_hal_dm(dev);
3399 del_timer_sync(&priv->watch_dog_timer);
3400
3401 ieee80211_softmac_stop_protocol(priv->ieee80211);
3402 memset(&priv->ieee80211->current_network, 0,
3403 offsetof(struct ieee80211_network, list));
3404 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3405
3406 return 0;
3407}
3408
3409void rtl8192_commit(struct net_device *dev)
3410{
3411 struct r8192_priv *priv = ieee80211_priv(dev);
3412
3413 if (priv->up == 0)
3414 return;
3415 priv->up = 0;
3416
3417 rtl8192_cancel_deferred_work(priv);
3418 del_timer_sync(&priv->watch_dog_timer);
3419
3420 ieee80211_softmac_stop_protocol(priv->ieee80211);
3421
3422 rtl8192_rtx_disable(dev);
3423 _rtl8192_up(dev);
3424}
3425
3426static void rtl8192_restart(struct work_struct *work)
3427{
3428 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3429 reset_wq);
3430 struct net_device *dev = priv->ieee80211->dev;
3431
3432 mutex_lock(&priv->wx_mutex);
3433
3434 rtl8192_commit(dev);
3435
3436 mutex_unlock(&priv->wx_mutex);
3437}
3438
3439static void r8192_set_multicast(struct net_device *dev)
3440{
3441 struct r8192_priv *priv = ieee80211_priv(dev);
3442 short promisc;
3443
3444
3445
3446 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3447
3448 if (promisc != priv->promisc)
3449
3450 priv->promisc = promisc;
3451}
3452
3453static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3454{
3455 struct r8192_priv *priv = ieee80211_priv(dev);
3456 struct sockaddr *addr = mac;
3457
3458 mutex_lock(&priv->wx_mutex);
3459
3460 ether_addr_copy(dev->dev_addr, addr->sa_data);
3461
3462 schedule_work(&priv->reset_wq);
3463 mutex_unlock(&priv->wx_mutex);
3464
3465 return 0;
3466}
3467
3468
3469static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3470{
3471 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3472 struct iwreq *wrq = (struct iwreq *)rq;
3473 int ret = -1;
3474 struct ieee80211_device *ieee = priv->ieee80211;
3475 u32 key[4];
3476 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3477 struct iw_point *p = &wrq->u.data;
3478 struct ieee_param *ipw = NULL;
3479
3480 mutex_lock(&priv->wx_mutex);
3481
3482 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3483 ret = -EINVAL;
3484 goto out;
3485 }
3486
3487 ipw = memdup_user(p->pointer, p->length);
3488 if (IS_ERR(ipw)) {
3489 ret = PTR_ERR(ipw);
3490 goto out;
3491 }
3492
3493 switch (cmd) {
3494 case RTL_IOCTL_WPA_SUPPLICANT:
3495
3496 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3497 if (ipw->u.crypt.set_tx) {
3498 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3499 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3500 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3501 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3502 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3503 if (ipw->u.crypt.key_len == 13)
3504 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3505 else if (ipw->u.crypt.key_len == 5)
3506 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3507 } else {
3508 ieee->pairwise_key_type = KEY_TYPE_NA;
3509 }
3510
3511 if (ieee->pairwise_key_type) {
3512 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3513 EnableHWSecurityConfig8192(dev);
3514
3515
3516
3517
3518
3519
3520 setKey(dev, 4, ipw->u.crypt.idx,
3521 ieee->pairwise_key_type,
3522 (u8 *)ieee->ap_mac_addr,
3523 0, key);
3524 if (ieee->auth_mode != 2)
3525 setKey(dev, ipw->u.crypt.idx,
3526 ipw->u.crypt.idx,
3527 ieee->pairwise_key_type,
3528 (u8 *)ieee->ap_mac_addr,
3529 0, key);
3530 }
3531 } else {
3532 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3533 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3534 ieee->group_key_type = KEY_TYPE_CCMP;
3535 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3536 ieee->group_key_type = KEY_TYPE_TKIP;
3537 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3538 if (ipw->u.crypt.key_len == 13)
3539 ieee->group_key_type = KEY_TYPE_WEP104;
3540 else if (ipw->u.crypt.key_len == 5)
3541 ieee->group_key_type = KEY_TYPE_WEP40;
3542 } else {
3543 ieee->group_key_type = KEY_TYPE_NA;
3544 }
3545
3546 if (ieee->group_key_type) {
3547 setKey(dev, ipw->u.crypt.idx,
3548
3549 ipw->u.crypt.idx,
3550
3551 ieee->group_key_type,
3552
3553 broadcast_addr,
3554
3555 0,
3556
3557 key);
3558 }
3559 }
3560 }
3561 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3562 &wrq->u.data);
3563 break;
3564
3565 default:
3566 ret = -EOPNOTSUPP;
3567 break;
3568 }
3569 kfree(ipw);
3570 ipw = NULL;
3571out:
3572 mutex_unlock(&priv->wx_mutex);
3573 return ret;
3574}
3575
3576static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3577{
3578 u8 ret_rate = 0xff;
3579
3580 if (!bIsHT) {
3581 switch (rate) {
3582 case DESC90_RATE1M:
3583 ret_rate = MGN_1M;
3584 break;
3585 case DESC90_RATE2M:
3586 ret_rate = MGN_2M;
3587 break;
3588 case DESC90_RATE5_5M:
3589 ret_rate = MGN_5_5M;
3590 break;
3591 case DESC90_RATE11M:
3592 ret_rate = MGN_11M;
3593 break;
3594 case DESC90_RATE6M:
3595 ret_rate = MGN_6M;
3596 break;
3597 case DESC90_RATE9M:
3598 ret_rate = MGN_9M;
3599 break;
3600 case DESC90_RATE12M:
3601 ret_rate = MGN_12M;
3602 break;
3603 case DESC90_RATE18M:
3604 ret_rate = MGN_18M;
3605 break;
3606 case DESC90_RATE24M:
3607 ret_rate = MGN_24M;
3608 break;
3609 case DESC90_RATE36M:
3610 ret_rate = MGN_36M;
3611 break;
3612 case DESC90_RATE48M:
3613 ret_rate = MGN_48M;
3614 break;
3615 case DESC90_RATE54M:
3616 ret_rate = MGN_54M;
3617 break;
3618
3619 default:
3620 ret_rate = 0xff;
3621 RT_TRACE(COMP_RECV,
3622 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3623 __func__, rate, bIsHT);
3624 break;
3625 }
3626
3627 } else {
3628 switch (rate) {
3629 case DESC90_RATEMCS0:
3630 ret_rate = MGN_MCS0;
3631 break;
3632 case DESC90_RATEMCS1:
3633 ret_rate = MGN_MCS1;
3634 break;
3635 case DESC90_RATEMCS2:
3636 ret_rate = MGN_MCS2;
3637 break;
3638 case DESC90_RATEMCS3:
3639 ret_rate = MGN_MCS3;
3640 break;
3641 case DESC90_RATEMCS4:
3642 ret_rate = MGN_MCS4;
3643 break;
3644 case DESC90_RATEMCS5:
3645 ret_rate = MGN_MCS5;
3646 break;
3647 case DESC90_RATEMCS6:
3648 ret_rate = MGN_MCS6;
3649 break;
3650 case DESC90_RATEMCS7:
3651 ret_rate = MGN_MCS7;
3652 break;
3653 case DESC90_RATEMCS8:
3654 ret_rate = MGN_MCS8;
3655 break;
3656 case DESC90_RATEMCS9:
3657 ret_rate = MGN_MCS9;
3658 break;
3659 case DESC90_RATEMCS10:
3660 ret_rate = MGN_MCS10;
3661 break;
3662 case DESC90_RATEMCS11:
3663 ret_rate = MGN_MCS11;
3664 break;
3665 case DESC90_RATEMCS12:
3666 ret_rate = MGN_MCS12;
3667 break;
3668 case DESC90_RATEMCS13:
3669 ret_rate = MGN_MCS13;
3670 break;
3671 case DESC90_RATEMCS14:
3672 ret_rate = MGN_MCS14;
3673 break;
3674 case DESC90_RATEMCS15:
3675 ret_rate = MGN_MCS15;
3676 break;
3677 case DESC90_RATEMCS32:
3678 ret_rate = 0x80 | 0x20;
3679 break;
3680
3681 default:
3682 ret_rate = 0xff;
3683 RT_TRACE(COMP_RECV,
3684 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3685 __func__, rate, bIsHT);
3686 break;
3687 }
3688 }
3689
3690 return ret_rate;
3691}
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3709 struct ieee80211_rx_stats *stats)
3710{
3711 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3712
3713 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3714 stats->mac_time[0] = priv->LastRxDescTSFLow;
3715 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3716 } else {
3717 priv->LastRxDescTSFLow = stats->mac_time[0];
3718 priv->LastRxDescTSFHigh = stats->mac_time[1];
3719 }
3720}
3721
3722
3723static long rtl819x_translate_todbm(u8 signal_strength_index)
3724{
3725 long signal_power;
3726
3727
3728 signal_power = (long)((signal_strength_index + 1) >> 1);
3729 signal_power -= 95;
3730
3731 return signal_power;
3732}
3733
3734
3735
3736
3737
3738
3739static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3740 struct ieee80211_rx_stats *pprevious_stats,
3741 struct ieee80211_rx_stats *pcurrent_stats)
3742{
3743 bool bcheck = false;
3744 u8 rfpath;
3745 u32 nspatial_stream, tmp_val;
3746 static u32 slide_rssi_index, slide_rssi_statistics;
3747 static u32 slide_evm_index, slide_evm_statistics;
3748 static u32 last_rssi, last_evm;
3749
3750 static u32 slide_beacon_adc_pwdb_index;
3751 static u32 slide_beacon_adc_pwdb_statistics;
3752 static u32 last_beacon_adc_pwdb;
3753
3754 struct rtl_80211_hdr_3addr *hdr;
3755 u16 sc;
3756 unsigned int seq;
3757
3758 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3759 sc = le16_to_cpu(hdr->seq_ctl);
3760 seq = WLAN_GET_SEQ_SEQ(sc);
3761
3762 pcurrent_stats->Seq_Num = seq;
3763
3764
3765 if (!pprevious_stats->bIsAMPDU) {
3766
3767 bcheck = true;
3768 }
3769
3770 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3771 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3772 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3773 priv->stats.slide_rssi_total -= last_rssi;
3774 }
3775 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3776
3777 priv->stats.slide_signal_strength[slide_rssi_index++] =
3778 pprevious_stats->SignalStrength;
3779 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3780 slide_rssi_index = 0;
3781
3782
3783 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3784 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3785 pcurrent_stats->rssi = priv->stats.signal_strength;
3786
3787
3788 if (!pprevious_stats->bPacketMatchBSSID) {
3789 if (!pprevious_stats->bToSelfBA)
3790 return;
3791 }
3792
3793 if (!bcheck)
3794 return;
3795
3796
3797
3798
3799
3800
3801 priv->stats.num_process_phyinfo++;
3802
3803
3804
3805
3806
3807
3808 if (!pprevious_stats->bIsCCK &&
3809 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3810 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3811 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev,
3812 rfpath))
3813 continue;
3814 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
3815 priv->stats.rx_rssi_percentage[rfpath] =
3816 pprevious_stats->RxMIMOSignalStrength[rfpath];
3817 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
3818 priv->stats.rx_rssi_percentage[rfpath] =
3819 ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
3820 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
3821 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3822 } else {
3823 priv->stats.rx_rssi_percentage[rfpath] =
3824 ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
3825 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
3826 }
3827 RT_TRACE(COMP_DBG,
3828 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
3829 priv->stats.rx_rssi_percentage[rfpath]);
3830 }
3831 }
3832
3833
3834 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3835 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
3836 pprevious_stats->RxPWDBAll);
3837
3838 if (pprevious_stats->bPacketBeacon) {
3839
3840 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
3841 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3842 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3843 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3844 }
3845 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3846 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3847 slide_beacon_adc_pwdb_index++;
3848 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3849 slide_beacon_adc_pwdb_index = 0;
3850 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
3851 if (pprevious_stats->RxPWDBAll >= 3)
3852 pprevious_stats->RxPWDBAll -= 3;
3853 }
3854
3855 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3856 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
3857 pprevious_stats->RxPWDBAll);
3858
3859 if (pprevious_stats->bPacketToSelf ||
3860 pprevious_stats->bPacketBeacon ||
3861 pprevious_stats->bToSelfBA) {
3862 if (priv->undecorated_smoothed_pwdb < 0)
3863
3864 priv->undecorated_smoothed_pwdb =
3865 pprevious_stats->RxPWDBAll;
3866 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
3867 priv->undecorated_smoothed_pwdb =
3868 (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
3869 (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
3870 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3871 } else {
3872 priv->undecorated_smoothed_pwdb =
3873 (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
3874 (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
3875 }
3876 }
3877
3878
3879
3880 if (pprevious_stats->SignalQuality) {
3881 if (pprevious_stats->bPacketToSelf ||
3882 pprevious_stats->bPacketBeacon ||
3883 pprevious_stats->bToSelfBA) {
3884 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3885 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3886 last_evm = priv->stats.slide_evm[slide_evm_index];
3887 priv->stats.slide_evm_total -= last_evm;
3888 }
3889
3890 priv->stats.slide_evm_total +=
3891 pprevious_stats->SignalQuality;
3892
3893 priv->stats.slide_evm[slide_evm_index++] =
3894 pprevious_stats->SignalQuality;
3895 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3896 slide_evm_index = 0;
3897
3898
3899 tmp_val = priv->stats.slide_evm_total /
3900 slide_evm_statistics;
3901 priv->stats.signal_quality = tmp_val;
3902
3903
3904
3905 priv->stats.last_signal_strength_inpercent = tmp_val;
3906 }
3907
3908
3909 if (pprevious_stats->bPacketToSelf ||
3910 pprevious_stats->bPacketBeacon ||
3911 pprevious_stats->bToSelfBA) {
3912 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) {
3913 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
3914 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0)
3915 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3916 priv->stats.rx_evm_percentage[nspatial_stream] =
3917 ((priv->stats.rx_evm_percentage[nspatial_stream] * (RX_SMOOTH_FACTOR - 1)) +
3918 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (RX_SMOOTH_FACTOR);
3919 }
3920 }
3921 }
3922 }
3923}
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
3938{
3939 if ((antpower <= -100) || (antpower >= 20))
3940 return 0;
3941 else if (antpower >= 0)
3942 return 100;
3943 else
3944 return 100 + antpower;
3945
3946}
3947
3948static u8 rtl819x_evm_dbtopercentage(s8 value)
3949{
3950 s8 ret_val = clamp(-value, 0, 33) * 3;
3951
3952 if (ret_val == 99)
3953 ret_val = 100;
3954
3955 return ret_val;
3956}
3957
3958
3959static long rtl819x_signal_scale_mapping(long currsig)
3960{
3961 long retsig;
3962
3963
3964 if (currsig >= 61 && currsig <= 100)
3965 retsig = 90 + ((currsig - 60) / 4);
3966 else if (currsig >= 41 && currsig <= 60)
3967 retsig = 78 + ((currsig - 40) / 2);
3968 else if (currsig >= 31 && currsig <= 40)
3969 retsig = 66 + (currsig - 30);
3970 else if (currsig >= 21 && currsig <= 30)
3971 retsig = 54 + (currsig - 20);
3972 else if (currsig >= 5 && currsig <= 20)
3973 retsig = 42 + (((currsig - 5) * 2) / 3);
3974 else if (currsig == 4)
3975 retsig = 36;
3976 else if (currsig == 3)
3977 retsig = 27;
3978 else if (currsig == 2)
3979 retsig = 18;
3980 else if (currsig == 1)
3981 retsig = 9;
3982 else
3983 retsig = currsig;
3984
3985 return retsig;
3986}
3987
3988static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
3989{
3990 if (pdrvinfo->RxHT)
3991 return false;
3992
3993 switch (pdrvinfo->RxRate) {
3994 case DESC90_RATE1M:
3995 case DESC90_RATE2M:
3996 case DESC90_RATE5_5M:
3997 case DESC90_RATE11M:
3998 return true;
3999 default:
4000 return false;
4001 }
4002}
4003
4004static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4005 struct ieee80211_rx_stats *pstats,
4006 struct rx_drvinfo_819x_usb *pdrvinfo,
4007 struct ieee80211_rx_stats *precord_stats,
4008 bool bpacket_match_bssid,
4009 bool bpacket_toself,
4010 bool bPacketBeacon,
4011 bool bToSelfBA)
4012{
4013 phy_sts_ofdm_819xusb_t *pofdm_buf;
4014 phy_sts_cck_819xusb_t *pcck_buf;
4015 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4016 u8 *prxpkt;
4017 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4018 s8 rx_pwr[4], rx_pwr_all = 0;
4019 s8 rx_snrX, rx_evmX;
4020 u8 evm, pwdb_all;
4021 u32 RSSI, total_rssi = 0;
4022 u8 is_cck_rate = 0;
4023 u8 rf_rx_num = 0;
4024 u8 sq;
4025
4026 priv->stats.numqry_phystatus++;
4027
4028 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4029
4030
4031 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4032 pstats->bPacketMatchBSSID =
4033 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4034 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4035 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4036 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4037 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4038
4039 prxpkt = (u8 *)pdrvinfo;
4040
4041
4042 prxpkt += sizeof(struct rx_drvinfo_819x_usb);
4043
4044
4045 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4046 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4047
4048 pstats->RxMIMOSignalQuality[0] = -1;
4049 pstats->RxMIMOSignalQuality[1] = -1;
4050 precord_stats->RxMIMOSignalQuality[0] = -1;
4051 precord_stats->RxMIMOSignalQuality[1] = -1;
4052
4053 if (is_cck_rate) {
4054
4055
4056
4057
4058
4059 u8 report;
4060
4061 priv->stats.numqry_phystatusCCK++;
4062
4063 if (!priv->bCckHighPower) {
4064 report = pcck_buf->cck_agc_rpt & 0xc0;
4065 report >>= 6;
4066 switch (report) {
4067 case 0x3:
4068 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4069 break;
4070 case 0x2:
4071 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4072 break;
4073 case 0x1:
4074 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4075 break;
4076 case 0x0:
4077 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4078 break;
4079 }
4080 } else {
4081 report = pcck_buf->cck_agc_rpt & 0x60;
4082 report >>= 5;
4083 switch (report) {
4084 case 0x3:
4085 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4086 break;
4087 case 0x2:
4088 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4089 break;
4090 case 0x1:
4091 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4092 break;
4093 case 0x0:
4094 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4095 break;
4096 }
4097 }
4098
4099 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4100 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4101 pstats->RecvSignalPower = pwdb_all;
4102
4103
4104
4105 if (pstats->RxPWDBAll > 40) {
4106 sq = 100;
4107 } else {
4108 sq = pcck_buf->sq_rpt;
4109
4110 if (pcck_buf->sq_rpt > 64)
4111 sq = 0;
4112 else if (pcck_buf->sq_rpt < 20)
4113 sq = 100;
4114 else
4115 sq = ((64 - sq) * 100) / 44;
4116 }
4117 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4118 pstats->RxMIMOSignalQuality[0] =
4119 precord_stats->RxMIMOSignalQuality[0] = sq;
4120 pstats->RxMIMOSignalQuality[1] =
4121 precord_stats->RxMIMOSignalQuality[1] = -1;
4122
4123 } else {
4124 priv->stats.numqry_phystatusHT++;
4125
4126
4127 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4128
4129 if (priv->brfpath_rxenable[i])
4130 rf_rx_num++;
4131 else
4132 continue;
4133
4134 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i))
4135 continue;
4136
4137 rx_pwr[i] =
4138 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4139
4140
4141 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4142 rx_snrX = (s8)(tmp_rxsnr);
4143 rx_snrX /= 2;
4144 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4145
4146
4147 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4148 total_rssi += RSSI;
4149
4150
4151 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4152 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4153 }
4154
4155
4156
4157
4158 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4159 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4160
4161 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4162 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4163
4164
4165 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4166 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4167
4168 max_spatial_stream = 2;
4169 else
4170
4171 max_spatial_stream = 1;
4172
4173 for (i = 0; i < max_spatial_stream; i++) {
4174 tmp_rxevm = pofdm_buf->rxevm_X[i];
4175 rx_evmX = (s8)(tmp_rxevm);
4176
4177
4178
4179
4180
4181
4182
4183
4184 rx_evmX /= 2;
4185
4186 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4187 if (i == 0)
4188
4189
4190
4191 pstats->SignalQuality =
4192 precord_stats->SignalQuality =
4193 evm & 0xff;
4194 pstats->RxMIMOSignalQuality[i] =
4195 precord_stats->RxMIMOSignalQuality[i] =
4196 evm & 0xff;
4197 }
4198
4199
4200 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4201 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4202 &rxsc_sgien_exflg;
4203 if (pdrvinfo->BW)
4204 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4205 else
4206 priv->stats.received_bwtype[0]++;
4207 }
4208
4209
4210
4211
4212
4213 if (is_cck_rate) {
4214 pstats->SignalStrength =
4215 precord_stats->SignalStrength =
4216 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4217 } else {
4218
4219 if (rf_rx_num != 0) {
4220 pstats->SignalStrength =
4221 precord_stats->SignalStrength =
4222 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4223 }
4224 }
4225}
4226
4227static void rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats *psrc_stats,
4228 struct ieee80211_rx_stats *ptarget_stats)
4229{
4230 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4231 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4232 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4233}
4234
4235static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4236 struct ieee80211_rx_stats *pstats,
4237 struct rx_drvinfo_819x_usb *pdrvinfo)
4238{
4239
4240
4241
4242 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4243 struct net_device *dev = info->dev;
4244 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4245 bool bpacket_match_bssid, bpacket_toself;
4246 bool bPacketBeacon = false, bToSelfBA = false;
4247 static struct ieee80211_rx_stats previous_stats;
4248 struct rtl_80211_hdr_3addr *hdr;
4249 u16 fc, type;
4250
4251
4252
4253 u8 *tmp_buf;
4254 u8 *praddr;
4255
4256
4257 tmp_buf = (u8 *)skb->data;
4258
4259 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4260 fc = le16_to_cpu(hdr->frame_ctl);
4261 type = WLAN_FC_GET_TYPE(fc);
4262 praddr = hdr->addr1;
4263
4264
4265 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4266 (ether_addr_equal(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4267 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4268 bpacket_toself = bpacket_match_bssid &&
4269 (ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr));
4270
4271 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4272 bPacketBeacon = true;
4273 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4274 if ((ether_addr_equal(praddr, dev->dev_addr)))
4275 bToSelfBA = true;
4276 }
4277
4278 if (bpacket_match_bssid)
4279 priv->stats.numpacket_matchbssid++;
4280 if (bpacket_toself)
4281 priv->stats.numpacket_toself++;
4282
4283
4284
4285
4286 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4287 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4288 bpacket_match_bssid, bpacket_toself,
4289 bPacketBeacon, bToSelfBA);
4290 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4291}
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307static void
4308UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4309 struct ieee80211_rx_stats *stats)
4310{
4311 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4312
4313 u32 rcvType = 1;
4314 u32 rateIndex;
4315
4316 u32 preamble_guardinterval;
4317
4318 if (stats->bCRC)
4319 rcvType = 2;
4320 else if (stats->bICV)
4321 rcvType = 3;
4322
4323 if (stats->bShortPreamble)
4324 preamble_guardinterval = 1;
4325 else
4326 preamble_guardinterval = 0;
4327
4328 switch (stats->rate) {
4329
4330 case MGN_1M:
4331 rateIndex = 0;
4332 break;
4333 case MGN_2M:
4334 rateIndex = 1;
4335 break;
4336 case MGN_5_5M:
4337 rateIndex = 2;
4338 break;
4339 case MGN_11M:
4340 rateIndex = 3;
4341 break;
4342
4343 case MGN_6M:
4344 rateIndex = 4;
4345 break;
4346 case MGN_9M:
4347 rateIndex = 5;
4348 break;
4349 case MGN_12M:
4350 rateIndex = 6;
4351 break;
4352 case MGN_18M:
4353 rateIndex = 7;
4354 break;
4355 case MGN_24M:
4356 rateIndex = 8;
4357 break;
4358 case MGN_36M:
4359 rateIndex = 9;
4360 break;
4361 case MGN_48M:
4362 rateIndex = 10;
4363 break;
4364 case MGN_54M:
4365 rateIndex = 11;
4366 break;
4367
4368 case MGN_MCS0:
4369 rateIndex = 12;
4370 break;
4371 case MGN_MCS1:
4372 rateIndex = 13;
4373 break;
4374 case MGN_MCS2:
4375 rateIndex = 14;
4376 break;
4377 case MGN_MCS3:
4378 rateIndex = 15;
4379 break;
4380 case MGN_MCS4:
4381 rateIndex = 16;
4382 break;
4383 case MGN_MCS5:
4384 rateIndex = 17;
4385 break;
4386 case MGN_MCS6:
4387 rateIndex = 18;
4388 break;
4389 case MGN_MCS7:
4390 rateIndex = 19;
4391 break;
4392 case MGN_MCS8:
4393 rateIndex = 20;
4394 break;
4395 case MGN_MCS9:
4396 rateIndex = 21;
4397 break;
4398 case MGN_MCS10:
4399 rateIndex = 22;
4400 break;
4401 case MGN_MCS11:
4402 rateIndex = 23;
4403 break;
4404 case MGN_MCS12:
4405 rateIndex = 24;
4406 break;
4407 case MGN_MCS13:
4408 rateIndex = 25;
4409 break;
4410 case MGN_MCS14:
4411 rateIndex = 26;
4412 break;
4413 case MGN_MCS15:
4414 rateIndex = 27;
4415 break;
4416 default:
4417 rateIndex = 28;
4418 break;
4419 }
4420 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4421 priv->stats.received_rate_histogram[0][rateIndex]++;
4422 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4423}
4424
4425static void query_rxdesc_status(struct sk_buff *skb,
4426 struct ieee80211_rx_stats *stats,
4427 bool bIsRxAggrSubframe)
4428{
4429 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4430 struct net_device *dev = info->dev;
4431 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4432 struct rx_drvinfo_819x_usb *driver_info = NULL;
4433
4434
4435 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4436
4437 stats->Length = desc->Length;
4438 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4439 stats->RxBufShift = 0;
4440 stats->bICV = desc->ICV;
4441 stats->bCRC = desc->CRC32;
4442 stats->bHwError = stats->bCRC | stats->bICV;
4443
4444 stats->Decrypted = !desc->SWDec;
4445
4446 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4447 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4448 stats->bHwError = false;
4449 else
4450 stats->bHwError = stats->bCRC | stats->bICV;
4451
4452 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4453 stats->bHwError |= 1;
4454
4455
4456
4457
4458 if (stats->RxDrvInfoSize != 0) {
4459 driver_info = (struct rx_drvinfo_819x_usb *)(skb->data
4460 + sizeof(struct rx_desc_819x_usb)
4461 + stats->RxBufShift
4462 );
4463
4464
4465 if (!stats->bHwError) {
4466 u8 ret_rate;
4467
4468 ret_rate = HwRateToMRate90(driver_info->RxHT,
4469 driver_info->RxRate);
4470 if (ret_rate == 0xff) {
4471
4472
4473
4474
4475
4476 stats->bHwError = 1;
4477
4478 stats->rate = MGN_1M;
4479 } else {
4480 stats->rate = ret_rate;
4481 }
4482 } else {
4483 stats->rate = 0x02;
4484 }
4485
4486 stats->bShortPreamble = driver_info->SPLCP;
4487
4488 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4489
4490 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4491 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4492 (driver_info->FirstAGGR == 1);
4493 stats->TimeStampLow = driver_info->TSFL;
4494
4495 UpdateRxPktTimeStamp8190(dev, stats);
4496
4497
4498 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4499 RT_TRACE(COMP_RXDESC,
4500 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4501 driver_info->FirstAGGR, driver_info->PartAggr);
4502 }
4503
4504 skb_pull(skb, sizeof(struct rx_desc_819x_usb));
4505
4506 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4507 stats->bShift = 1;
4508 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4509 }
4510
4511 if (driver_info) {
4512 stats->RxIs40MHzPacket = driver_info->BW;
4513 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4514 }
4515}
4516
4517static void rtl8192_rx_nomal(struct sk_buff *skb)
4518{
4519 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4520 struct net_device *dev = info->dev;
4521 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4522 struct ieee80211_rx_stats stats = {
4523 .signal = 0,
4524 .noise = 0x100 - 98,
4525 .rate = 0,
4526 .freq = IEEE80211_24GHZ_BAND,
4527 };
4528 u32 rx_pkt_len = 0;
4529 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4530 bool unicast_packet = false;
4531
4532
4533 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4534
4535 query_rxdesc_status(skb, &stats, false);
4536
4537
4538
4539 skb_trim(skb, skb->len - 4);
4540
4541 rx_pkt_len = skb->len;
4542 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4543 unicast_packet = false;
4544 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4545
4546 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4547
4548 } else {
4549
4550 unicast_packet = true;
4551 }
4552
4553 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4554 dev_kfree_skb_any(skb);
4555 } else {
4556 priv->stats.rxoktotal++;
4557 if (unicast_packet)
4558 priv->stats.rxbytesunicast += rx_pkt_len;
4559 }
4560 } else {
4561 priv->stats.rxurberr++;
4562 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4563 dev_kfree_skb_any(skb);
4564 }
4565}
4566
4567static void rtl819xusb_process_received_packet(struct net_device *dev,
4568 struct ieee80211_rx_stats *pstats)
4569{
4570 struct r8192_priv *priv = ieee80211_priv(dev);
4571
4572
4573 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4574#ifdef TODO
4575 if (!Adapter->bInHctTest)
4576 CountRxErrStatistics(Adapter, pRfd);
4577#endif
4578#ifdef ENABLE_PS
4579 RT_RF_POWER_STATE rtState;
4580
4581
4582
4583
4584 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4585 (u8 *)(&rtState));
4586 if (rtState == eRfOff)
4587 return;
4588#endif
4589 priv->stats.rxframgment++;
4590
4591#ifdef TODO
4592 RmMonitorSignalStrength(Adapter, pRfd);
4593#endif
4594
4595 if (rtl819xusb_rx_command_packet(dev, pstats))
4596 return;
4597
4598#ifdef SW_CRC_CHECK
4599 SwCrcCheck();
4600#endif
4601}
4602
4603static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4604 struct ieee80211_rx_stats *stats)
4605{
4606 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4607
4608
4609 stats->virtual_address = (u8 *)skb->data;
4610 stats->Length = desc->Length;
4611 stats->RxDrvInfoSize = 0;
4612 stats->RxBufShift = 0;
4613 stats->packetlength = stats->Length - scrclng;
4614 stats->fraglength = stats->packetlength;
4615 stats->fragoffset = 0;
4616 stats->ntotalfrag = 1;
4617}
4618
4619static void rtl8192_rx_cmd(struct sk_buff *skb)
4620{
4621 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4622 struct net_device *dev = info->dev;
4623
4624 struct ieee80211_rx_stats stats = {
4625 .signal = 0,
4626 .noise = 0x100 - 98,
4627 .rate = 0,
4628 .freq = IEEE80211_24GHZ_BAND,
4629 };
4630
4631 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4632 query_rx_cmdpkt_desc_status(skb, &stats);
4633
4634
4635
4636
4637 rtl819xusb_process_received_packet(dev, &stats);
4638
4639 dev_kfree_skb_any(skb);
4640 }
4641}
4642
4643static void rtl8192_irq_rx_tasklet(struct tasklet_struct *t)
4644{
4645 struct r8192_priv *priv = from_tasklet(priv, t, irq_rx_tasklet);
4646 struct sk_buff *skb;
4647 struct rtl8192_rx_info *info;
4648
4649 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4650 info = (struct rtl8192_rx_info *)skb->cb;
4651 switch (info->out_pipe) {
4652
4653 case 3:
4654 priv->IrpPendingCount--;
4655 rtl8192_rx_nomal(skb);
4656 break;
4657
4658
4659 case 9:
4660 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4661 info->out_pipe);
4662
4663 rtl8192_rx_cmd(skb);
4664 break;
4665
4666 default:
4667 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4668 info->out_pipe);
4669 dev_kfree_skb(skb);
4670 break;
4671 }
4672 }
4673}
4674
4675static const struct net_device_ops rtl8192_netdev_ops = {
4676 .ndo_open = rtl8192_open,
4677 .ndo_stop = rtl8192_close,
4678 .ndo_get_stats = rtl8192_stats,
4679 .ndo_tx_timeout = tx_timeout,
4680 .ndo_do_ioctl = rtl8192_ioctl,
4681 .ndo_set_rx_mode = r8192_set_multicast,
4682 .ndo_set_mac_address = r8192_set_mac_adr,
4683 .ndo_validate_addr = eth_validate_addr,
4684 .ndo_start_xmit = ieee80211_xmit,
4685};
4686
4687
4688
4689
4690
4691static int rtl8192_usb_probe(struct usb_interface *intf,
4692 const struct usb_device_id *id)
4693{
4694 struct net_device *dev = NULL;
4695 struct r8192_priv *priv = NULL;
4696 struct usb_device *udev = interface_to_usbdev(intf);
4697 int ret;
4698
4699 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4700
4701 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4702 if (!dev)
4703 return -ENOMEM;
4704
4705 usb_set_intfdata(intf, dev);
4706 SET_NETDEV_DEV(dev, &intf->dev);
4707 priv = ieee80211_priv(dev);
4708 priv->ieee80211 = netdev_priv(dev);
4709 priv->udev = udev;
4710
4711 dev->netdev_ops = &rtl8192_netdev_ops;
4712
4713 dev->wireless_handlers = &r8192_wx_handlers_def;
4714
4715 dev->type = ARPHRD_ETHER;
4716
4717 dev->watchdog_timeo = HZ * 3;
4718
4719 if (dev_alloc_name(dev, ifname) < 0) {
4720 RT_TRACE(COMP_INIT,
4721 "Oops: devname already taken! Trying wlan%%d...\n");
4722 ifname = "wlan%d";
4723 dev_alloc_name(dev, ifname);
4724 }
4725
4726 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4727 if (rtl8192_init(dev) != 0) {
4728 RT_TRACE(COMP_ERR, "Initialization failed");
4729 ret = -ENODEV;
4730 goto fail;
4731 }
4732 netif_carrier_off(dev);
4733 netif_stop_queue(dev);
4734
4735 ret = register_netdev(dev);
4736 if (ret)
4737 goto fail2;
4738
4739 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4740 rtl8192_proc_init_one(dev);
4741
4742 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4743 return 0;
4744
4745fail2:
4746 rtl8192_down(dev);
4747fail:
4748 kfree(priv->pFirmware);
4749 priv->pFirmware = NULL;
4750 rtl8192_usb_deleteendpoints(dev);
4751 msleep(10);
4752 free_ieee80211(dev);
4753
4754 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4755 return ret;
4756}
4757
4758
4759
4760
4761static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4762{
4763 cancel_work_sync(&priv->reset_wq);
4764 cancel_delayed_work(&priv->watch_dog_wq);
4765 cancel_delayed_work(&priv->update_beacon_wq);
4766 cancel_work_sync(&priv->qos_activate);
4767}
4768
4769static void rtl8192_usb_disconnect(struct usb_interface *intf)
4770{
4771 struct net_device *dev = usb_get_intfdata(intf);
4772 struct r8192_priv *priv = ieee80211_priv(dev);
4773
4774 unregister_netdev(dev);
4775
4776 RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
4777 rtl8192_proc_remove_one(dev);
4778
4779 rtl8192_down(dev);
4780 kfree(priv->pFirmware);
4781 priv->pFirmware = NULL;
4782 rtl8192_usb_deleteendpoints(dev);
4783 usleep_range(10000, 11000);
4784 free_ieee80211(dev);
4785
4786 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4787}
4788
4789static int __init rtl8192_usb_module_init(void)
4790{
4791 int ret;
4792
4793#ifdef CONFIG_IEEE80211_DEBUG
4794 ret = ieee80211_debug_init();
4795 if (ret) {
4796 pr_err("ieee80211_debug_init() failed %d\n", ret);
4797 return ret;
4798 }
4799#endif
4800 ret = ieee80211_crypto_init();
4801 if (ret) {
4802 pr_err("ieee80211_crypto_init() failed %d\n", ret);
4803 return ret;
4804 }
4805
4806 ret = ieee80211_crypto_tkip_init();
4807 if (ret) {
4808 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
4809 return ret;
4810 }
4811
4812 ret = ieee80211_crypto_ccmp_init();
4813 if (ret) {
4814 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
4815 return ret;
4816 }
4817
4818 ret = ieee80211_crypto_wep_init();
4819 if (ret) {
4820 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
4821 return ret;
4822 }
4823
4824 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
4825 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
4826 RT_TRACE(COMP_INIT, "Initializing module");
4827 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
4828 rtl8192_proc_module_init();
4829 return usb_register(&rtl8192_usb_driver);
4830}
4831
4832static void __exit rtl8192_usb_module_exit(void)
4833{
4834 usb_deregister(&rtl8192_usb_driver);
4835
4836 RT_TRACE(COMP_DOWN, "Exiting");
4837}
4838
4839void EnableHWSecurityConfig8192(struct net_device *dev)
4840{
4841 u8 SECR_value = 0x0;
4842 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4843 struct ieee80211_device *ieee = priv->ieee80211;
4844
4845 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4846 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
4847 SECR_value |= SCR_RxUseDK;
4848 SECR_value |= SCR_TxUseDK;
4849 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
4850 SECR_value |= SCR_RxUseDK;
4851 SECR_value |= SCR_TxUseDK;
4852 }
4853
4854
4855
4856
4857
4858
4859
4860 ieee->hwsec_active = 1;
4861
4862
4863 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
4864 ieee->hwsec_active = 0;
4865 SECR_value &= ~SCR_RxDecEnable;
4866 }
4867 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
4868 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
4869 SECR_value);
4870 write_nic_byte(dev, SECR, SECR_value);
4871}
4872
4873void setKey(struct net_device *dev, u8 entryno, u8 keyindex, u16 keytype,
4874 u8 *macaddr, u8 defaultkey, u32 *keycontent)
4875{
4876 u32 target_command = 0;
4877 u32 target_content = 0;
4878 u16 us_config = 0;
4879 u8 i;
4880
4881 if (entryno >= TOTAL_CAM_ENTRY)
4882 RT_TRACE(COMP_ERR, "cam entry exceeds in %s\n", __func__);
4883
4884 RT_TRACE(COMP_SEC,
4885 "====>to %s, dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
4886 __func__, dev, entryno, keyindex, keytype, macaddr);
4887
4888 if (defaultkey)
4889 us_config |= BIT(15) | (keytype << 2);
4890 else
4891 us_config |= BIT(15) | (keytype << 2) | keyindex;
4892
4893 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
4894 target_command = i + CAM_CONTENT_COUNT * entryno;
4895 target_command |= BIT(31) | BIT(16);
4896
4897 if (i == 0) {
4898 target_content = (u32)(*(macaddr + 0)) << 16 |
4899 (u32)(*(macaddr + 1)) << 24 |
4900 (u32)us_config;
4901
4902 write_nic_dword(dev, WCAMI, target_content);
4903 write_nic_dword(dev, RWCAM, target_command);
4904 } else if (i == 1) {
4905 target_content = (u32)(*(macaddr + 2)) |
4906 (u32)(*(macaddr + 3)) << 8 |
4907 (u32)(*(macaddr + 4)) << 16 |
4908 (u32)(*(macaddr + 5)) << 24;
4909 write_nic_dword(dev, WCAMI, target_content);
4910 write_nic_dword(dev, RWCAM, target_command);
4911 } else {
4912
4913 if (keycontent) {
4914 write_nic_dword(dev, WCAMI,
4915 *(keycontent + i - 2));
4916 write_nic_dword(dev, RWCAM, target_command);
4917 }
4918 }
4919 }
4920}
4921
4922
4923
4924
4925module_init(rtl8192_usb_module_init);
4926module_exit(rtl8192_usb_module_exit);
4927
