1
2
3
4
5
6
7
8
9
10
11
12
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 "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
101
102
103module_param(ifname, charp, 0644);
104module_param(hwwep, int, 0644);
105module_param(channels, int, 0644);
106
107MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
108MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
109MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
110
111static int rtl8192_usb_probe(struct usb_interface *intf,
112 const struct usb_device_id *id);
113static void rtl8192_usb_disconnect(struct usb_interface *intf);
114
115
116static struct usb_driver rtl8192_usb_driver = {
117 .name = RTL819XU_MODULE_NAME,
118 .id_table = rtl8192_usb_id_tbl,
119 .probe = rtl8192_usb_probe,
120 .disconnect = rtl8192_usb_disconnect,
121 .suspend = NULL,
122 .resume = NULL,
123};
124
125
126struct CHANNEL_LIST {
127 u8 Channel[32];
128 u8 Len;
129};
130
131static struct CHANNEL_LIST ChannelPlan[] = {
132
133 {{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},
134
135 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
136
137 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
138
139 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
140
141 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
142
143 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
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}, 13},
148
149 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
150
151 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
152
153 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
154};
155
156static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
157{
158 int i, max_chan = -1, min_chan = -1;
159 struct ieee80211_device *ieee = priv->ieee80211;
160
161 switch (channel_plan) {
162 case COUNTRY_CODE_FCC:
163 case COUNTRY_CODE_IC:
164 case COUNTRY_CODE_ETSI:
165 case COUNTRY_CODE_SPAIN:
166 case COUNTRY_CODE_FRANCE:
167 case COUNTRY_CODE_MKK:
168 case COUNTRY_CODE_MKK1:
169 case COUNTRY_CODE_ISRAEL:
170 case COUNTRY_CODE_TELEC:
171 case COUNTRY_CODE_MIC:
172 rtl8192u_dot11d_init(ieee);
173 ieee->bGlobalDomain = false;
174
175 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
176 min_chan = 1;
177 max_chan = 14;
178 } else {
179 RT_TRACE(COMP_ERR,
180 "unknown rf chip, can't set channel map in function:%s()\n",
181 __func__);
182 }
183 if (ChannelPlan[channel_plan].Len != 0) {
184
185 memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
186 sizeof(GET_DOT11D_INFO(ieee)->channel_map));
187
188 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
189 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
190 break;
191 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
192 }
193 }
194 break;
195
196 case COUNTRY_CODE_GLOBAL_DOMAIN:
197
198
199
200 GET_DOT11D_INFO(ieee)->dot11d_enabled = 0;
201 dot11d_reset(ieee);
202 ieee->bGlobalDomain = true;
203 break;
204
205 default:
206 break;
207 }
208}
209
210
211
212
213static void CamResetAllEntry(struct net_device *dev)
214{
215 u32 ulcommand = 0;
216
217
218
219
220
221
222 ulcommand |= BIT(31) | BIT(30);
223 write_nic_dword(dev, RWCAM, ulcommand);
224}
225
226int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
227{
228 int status;
229 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
230 struct usb_device *udev = priv->udev;
231 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
232
233 if (!usbdata)
234 return -ENOMEM;
235 *usbdata = data;
236
237 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
238 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
239 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
240 kfree(usbdata);
241
242 if (status < 0) {
243 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
244 return status;
245 }
246 return 0;
247}
248
249int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
250{
251 int status;
252 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
253 struct usb_device *udev = priv->udev;
254 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
255
256 if (!usbdata)
257 return -ENOMEM;
258
259 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
260 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
261 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
262 *data = *usbdata;
263 kfree(usbdata);
264
265 if (status < 0) {
266 netdev_err(dev, "%s failure status: %d\n", __func__, status);
267 return status;
268 }
269
270 return 0;
271}
272
273
274int write_nic_byte(struct net_device *dev, int indx, u8 data)
275{
276 int status;
277
278 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
279 struct usb_device *udev = priv->udev;
280 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
281
282 if (!usbdata)
283 return -ENOMEM;
284 *usbdata = data;
285
286 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
287 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
288 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
289 usbdata, 1, HZ / 2);
290 kfree(usbdata);
291
292 if (status < 0) {
293 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
294 return status;
295 }
296
297 return 0;
298}
299
300
301int write_nic_word(struct net_device *dev, int indx, u16 data)
302{
303 int status;
304
305 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
306 struct usb_device *udev = priv->udev;
307 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
308
309 if (!usbdata)
310 return -ENOMEM;
311 *usbdata = data;
312
313 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
314 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
315 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
316 usbdata, 2, HZ / 2);
317 kfree(usbdata);
318
319 if (status < 0) {
320 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
321 return status;
322 }
323
324 return 0;
325}
326
327
328int write_nic_dword(struct net_device *dev, int indx, u32 data)
329{
330 int status;
331
332 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
333 struct usb_device *udev = priv->udev;
334 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
335
336 if (!usbdata)
337 return -ENOMEM;
338 *usbdata = data;
339
340 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
341 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
342 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
343 usbdata, 4, HZ / 2);
344 kfree(usbdata);
345
346
347 if (status < 0) {
348 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
349 return status;
350 }
351
352 return 0;
353}
354
355
356
357int read_nic_byte(struct net_device *dev, int indx, u8 *data)
358{
359 int status;
360 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
361 struct usb_device *udev = priv->udev;
362 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
363
364 if (!usbdata)
365 return -ENOMEM;
366
367 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
368 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
369 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
370 usbdata, 1, HZ / 2);
371 *data = *usbdata;
372 kfree(usbdata);
373
374 if (status < 0) {
375 netdev_err(dev, "%s failure status: %d\n", __func__, status);
376 return status;
377 }
378
379 return 0;
380}
381
382
383
384int read_nic_word(struct net_device *dev, int indx, u16 *data)
385{
386 int status;
387 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
388 struct usb_device *udev = priv->udev;
389 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
390
391 if (!usbdata)
392 return -ENOMEM;
393
394 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
395 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
396 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
397 usbdata, 2, HZ / 2);
398 *data = *usbdata;
399 kfree(usbdata);
400
401 if (status < 0) {
402 netdev_err(dev, "%s failure status: %d\n", __func__, status);
403 return status;
404 }
405
406 return 0;
407}
408
409static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
410{
411 int status;
412 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
413 struct usb_device *udev = priv->udev;
414 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
415
416 if (!usbdata)
417 return -ENOMEM;
418
419 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
420 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
421 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
422 *data = *usbdata;
423 kfree(usbdata);
424
425 if (status < 0) {
426 netdev_err(dev, "%s failure status: %d\n", __func__, status);
427 return status;
428 }
429
430 return 0;
431}
432
433int read_nic_dword(struct net_device *dev, int indx, u32 *data)
434{
435 int status;
436
437 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
438 struct usb_device *udev = priv->udev;
439 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
440
441 if (!usbdata)
442 return -ENOMEM;
443
444 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
445 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
446 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
447 usbdata, 4, HZ / 2);
448 *data = *usbdata;
449 kfree(usbdata);
450
451 if (status < 0) {
452 netdev_err(dev, "%s failure status: %d\n", __func__, status);
453 return status;
454 }
455
456 return 0;
457}
458
459
460
461
462
463
464inline void force_pci_posting(struct net_device *dev)
465{
466}
467
468static struct net_device_stats *rtl8192_stats(struct net_device *dev);
469static void rtl8192_restart(struct work_struct *work);
470static void watch_dog_timer_callback(struct timer_list *t);
471
472
473
474
475
476static struct proc_dir_entry *rtl8192_proc;
477
478static int __maybe_unused proc_get_stats_ap(struct seq_file *m, void *v)
479{
480 struct net_device *dev = m->private;
481 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
482 struct ieee80211_device *ieee = priv->ieee80211;
483 struct ieee80211_network *target;
484
485 list_for_each_entry(target, &ieee->network_list, list) {
486 const char *wpa = "non_WPA";
487
488 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
489 wpa = "WPA";
490
491 seq_printf(m, "%s %s\n", target->ssid, wpa);
492 }
493
494 return 0;
495}
496
497static int __maybe_unused proc_get_registers(struct seq_file *m, void *v)
498{
499 struct net_device *dev = m->private;
500 int i, n, max = 0xff;
501 u8 byte_rd;
502
503 seq_puts(m, "\n####################page 0##################\n ");
504
505 for (n = 0; n <= max;) {
506 seq_printf(m, "\nD: %2x > ", n);
507
508 for (i = 0; i < 16 && n <= max; i++, n++) {
509 read_nic_byte(dev, 0x000 | n, &byte_rd);
510 seq_printf(m, "%2x ", byte_rd);
511 }
512 }
513
514 seq_puts(m, "\n####################page 1##################\n ");
515 for (n = 0; n <= max;) {
516 seq_printf(m, "\nD: %2x > ", n);
517
518 for (i = 0; i < 16 && n <= max; i++, n++) {
519 read_nic_byte(dev, 0x100 | n, &byte_rd);
520 seq_printf(m, "%2x ", byte_rd);
521 }
522 }
523
524 seq_puts(m, "\n####################page 3##################\n ");
525 for (n = 0; n <= max;) {
526 seq_printf(m, "\nD: %2x > ", n);
527
528 for (i = 0; i < 16 && n <= max; i++, n++) {
529 read_nic_byte(dev, 0x300 | n, &byte_rd);
530 seq_printf(m, "%2x ", byte_rd);
531 }
532 }
533
534 seq_putc(m, '\n');
535 return 0;
536}
537
538static int __maybe_unused proc_get_stats_tx(struct seq_file *m, void *v)
539{
540 struct net_device *dev = m->private;
541 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
542
543 seq_printf(m,
544 "TX VI priority ok int: %lu\n"
545 "TX VI priority error int: %lu\n"
546 "TX VO priority ok int: %lu\n"
547 "TX VO priority error int: %lu\n"
548 "TX BE priority ok int: %lu\n"
549 "TX BE priority error int: %lu\n"
550 "TX BK priority ok int: %lu\n"
551 "TX BK priority error int: %lu\n"
552 "TX MANAGE priority ok int: %lu\n"
553 "TX MANAGE priority error int: %lu\n"
554 "TX BEACON priority ok int: %lu\n"
555 "TX BEACON priority error int: %lu\n"
556 "TX queue resume: %lu\n"
557 "TX queue stopped?: %d\n"
558 "TX fifo overflow: %lu\n"
559 "TX VI queue: %d\n"
560 "TX VO queue: %d\n"
561 "TX BE queue: %d\n"
562 "TX BK queue: %d\n"
563 "TX VI dropped: %lu\n"
564 "TX VO dropped: %lu\n"
565 "TX BE dropped: %lu\n"
566 "TX BK dropped: %lu\n"
567 "TX total data packets %lu\n",
568 priv->stats.txviokint,
569 priv->stats.txvierr,
570 priv->stats.txvookint,
571 priv->stats.txvoerr,
572 priv->stats.txbeokint,
573 priv->stats.txbeerr,
574 priv->stats.txbkokint,
575 priv->stats.txbkerr,
576 priv->stats.txmanageokint,
577 priv->stats.txmanageerr,
578 priv->stats.txbeaconokint,
579 priv->stats.txbeaconerr,
580 priv->stats.txresumed,
581 netif_queue_stopped(dev),
582 priv->stats.txoverflow,
583 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
584 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
585 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
586 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
587 priv->stats.txvidrop,
588 priv->stats.txvodrop,
589 priv->stats.txbedrop,
590 priv->stats.txbkdrop,
591 priv->stats.txdatapkt
592 );
593
594 return 0;
595}
596
597static int __maybe_unused proc_get_stats_rx(struct seq_file *m, void *v)
598{
599 struct net_device *dev = m->private;
600 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
601
602 seq_printf(m,
603 "RX packets: %lu\n"
604 "RX urb status error: %lu\n"
605 "RX invalid urb error: %lu\n",
606 priv->stats.rxoktotal,
607 priv->stats.rxstaterr,
608 priv->stats.rxurberr);
609
610 return 0;
611}
612
613static void rtl8192_proc_module_init(void)
614{
615 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
616 rtl8192_proc = proc_mkdir(RTL819XU_MODULE_NAME, init_net.proc_net);
617}
618
619static void rtl8192_proc_init_one(struct net_device *dev)
620{
621 struct proc_dir_entry *dir;
622
623 if (!rtl8192_proc)
624 return;
625
626 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
627 if (!dir)
628 return;
629
630 proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir,
631 proc_get_stats_rx);
632 proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir,
633 proc_get_stats_tx);
634 proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir,
635 proc_get_stats_ap);
636 proc_create_single("registers", S_IFREG | S_IRUGO, dir,
637 proc_get_registers);
638}
639
640static void rtl8192_proc_remove_one(struct net_device *dev)
641{
642 remove_proc_subtree(dev->name, rtl8192_proc);
643}
644
645
646
647
648
649short check_nic_enough_desc(struct net_device *dev, int queue_index)
650{
651 struct r8192_priv *priv = ieee80211_priv(dev);
652 int used = atomic_read(&priv->tx_pending[queue_index]);
653
654 return (used < MAX_TX_URB);
655}
656
657static void tx_timeout(struct net_device *dev)
658{
659 struct r8192_priv *priv = ieee80211_priv(dev);
660
661 schedule_work(&priv->reset_wq);
662}
663
664void rtl8192_update_msr(struct net_device *dev)
665{
666 struct r8192_priv *priv = ieee80211_priv(dev);
667 u8 msr;
668
669 read_nic_byte(dev, MSR, &msr);
670 msr &= ~MSR_LINK_MASK;
671
672
673
674
675
676
677 if (priv->ieee80211->state == IEEE80211_LINKED) {
678 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
679 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
680 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
681 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
682 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
683 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
684
685 } else {
686 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
687 }
688
689 write_nic_byte(dev, MSR, msr);
690}
691
692void rtl8192_set_chan(struct net_device *dev, short ch)
693{
694 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
695
696 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
697 priv->chan = ch;
698
699
700
701
702
703 if (priv->rf_set_chan)
704 priv->rf_set_chan(dev, priv->chan);
705 mdelay(10);
706}
707
708static void rtl8192_rx_isr(struct urb *urb);
709
710static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
711{
712 return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
713 + pstats->RxBufShift);
714}
715
716void rtl8192_rx_enable(struct net_device *dev)
717{
718 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
719 struct urb *entry;
720 struct sk_buff *skb;
721 struct rtl8192_rx_info *info;
722
723
724 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
725 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
726 if (!skb)
727 break;
728 entry = usb_alloc_urb(0, GFP_KERNEL);
729 if (!entry) {
730 kfree_skb(skb);
731 break;
732 }
733 usb_fill_bulk_urb(entry, priv->udev,
734 usb_rcvbulkpipe(priv->udev, 3),
735 skb_tail_pointer(skb),
736 RX_URB_SIZE, rtl8192_rx_isr, skb);
737 info = (struct rtl8192_rx_info *)skb->cb;
738 info->urb = entry;
739 info->dev = dev;
740 info->out_pipe = 3;
741 skb_queue_tail(&priv->rx_queue, skb);
742 usb_submit_urb(entry, GFP_KERNEL);
743 }
744
745
746 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
747 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
748 if (!skb)
749 break;
750 entry = usb_alloc_urb(0, GFP_KERNEL);
751 if (!entry) {
752 kfree_skb(skb);
753 break;
754 }
755 usb_fill_bulk_urb(entry, priv->udev,
756 usb_rcvbulkpipe(priv->udev, 9),
757 skb_tail_pointer(skb),
758 RX_URB_SIZE, rtl8192_rx_isr, skb);
759 info = (struct rtl8192_rx_info *)skb->cb;
760 info->urb = entry;
761 info->dev = dev;
762 info->out_pipe = 9;
763 skb_queue_tail(&priv->rx_queue, skb);
764 usb_submit_urb(entry, GFP_KERNEL);
765 }
766}
767
768void rtl8192_set_rxconf(struct net_device *dev)
769{
770 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
771 u32 rxconf;
772
773 read_nic_dword(dev, RCR, &rxconf);
774 rxconf = rxconf & ~MAC_FILTER_MASK;
775 rxconf = rxconf | RCR_AMF;
776 rxconf = rxconf | RCR_ADF;
777 rxconf = rxconf | RCR_AB;
778 rxconf = rxconf | RCR_AM;
779
780 if (dev->flags & IFF_PROMISC)
781 DMESG("NIC in promisc mode");
782
783 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
784 dev->flags & IFF_PROMISC) {
785 rxconf = rxconf | RCR_AAP;
786 } else {
787 rxconf = rxconf | RCR_APM;
788 rxconf = rxconf | RCR_CBSSID;
789 }
790
791
792 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
793 rxconf = rxconf | RCR_AICV;
794 rxconf = rxconf | RCR_APWRMGT;
795 }
796
797 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
798 rxconf = rxconf | RCR_ACRC32;
799
800
801 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
802 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
803 rxconf = rxconf & ~MAX_RX_DMA_MASK;
804 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
805
806 rxconf = rxconf | RCR_ONLYERLPKT;
807
808 write_nic_dword(dev, RCR, rxconf);
809}
810
811void rtl8192_rtx_disable(struct net_device *dev)
812{
813 u8 cmd;
814 struct r8192_priv *priv = ieee80211_priv(dev);
815 struct sk_buff *skb;
816 struct rtl8192_rx_info *info;
817
818 read_nic_byte(dev, CMDR, &cmd);
819 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
820 force_pci_posting(dev);
821 mdelay(10);
822
823 while ((skb = __skb_dequeue(&priv->rx_queue))) {
824 info = (struct rtl8192_rx_info *)skb->cb;
825 if (!info->urb)
826 continue;
827
828 usb_kill_urb(info->urb);
829 kfree_skb(skb);
830 }
831
832 if (skb_queue_len(&priv->skb_queue))
833 netdev_warn(dev, "skb_queue not empty\n");
834
835 skb_queue_purge(&priv->skb_queue);
836}
837
838
839static void rtl8192_rx_isr(struct urb *urb)
840{
841 struct sk_buff *skb = (struct sk_buff *)urb->context;
842 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
843 struct net_device *dev = info->dev;
844 struct r8192_priv *priv = ieee80211_priv(dev);
845 int out_pipe = info->out_pipe;
846 int err;
847
848 if (!priv->up)
849 return;
850
851 if (unlikely(urb->status)) {
852 info->urb = NULL;
853 priv->stats.rxstaterr++;
854 priv->ieee80211->stats.rx_errors++;
855 usb_free_urb(urb);
856 return;
857 }
858 skb_unlink(skb, &priv->rx_queue);
859 skb_put(skb, urb->actual_length);
860
861 skb_queue_tail(&priv->skb_queue, skb);
862 tasklet_schedule(&priv->irq_rx_tasklet);
863
864 skb = dev_alloc_skb(RX_URB_SIZE);
865 if (unlikely(!skb)) {
866 usb_free_urb(urb);
867 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
868
869 return;
870 }
871
872 usb_fill_bulk_urb(urb, priv->udev,
873 usb_rcvbulkpipe(priv->udev, out_pipe),
874 skb_tail_pointer(skb),
875 RX_URB_SIZE, rtl8192_rx_isr, skb);
876
877 info = (struct rtl8192_rx_info *)skb->cb;
878 info->urb = urb;
879 info->dev = dev;
880 info->out_pipe = out_pipe;
881
882 urb->transfer_buffer = skb_tail_pointer(skb);
883 urb->context = skb;
884 skb_queue_tail(&priv->rx_queue, skb);
885 err = usb_submit_urb(urb, GFP_ATOMIC);
886 if (err && err != EPERM)
887 netdev_err(dev,
888 "can not submit rxurb, err is %x, URB status is %x\n",
889 err, urb->status);
890}
891
892static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
893 struct ieee80211_rx_stats *pstats)
894{
895 u32 status;
896
897 status = cmpk_message_handle_rx(dev, pstats);
898 if (status)
899 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
900
901 return status;
902}
903
904
905static void rtl8192_data_hard_stop(struct net_device *dev)
906{
907
908}
909
910
911static void rtl8192_data_hard_resume(struct net_device *dev)
912{
913
914}
915
916
917
918
919static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
920 int rate)
921{
922 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
923 int ret;
924 unsigned long flags;
925 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
926 u8 queue_index = tcb_desc->queue_index;
927
928
929 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
930
931 spin_lock_irqsave(&priv->tx_lock, flags);
932
933 *(struct net_device **)(skb->cb) = dev;
934 tcb_desc->bTxEnableFwCalcDur = 1;
935 skb_push(skb, priv->ieee80211->tx_headroom);
936 ret = rtl8192_tx(dev, skb);
937
938 spin_unlock_irqrestore(&priv->tx_lock, flags);
939}
940
941
942
943
944
945
946static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
947{
948 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
949 int ret;
950 unsigned long flags;
951 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
952 u8 queue_index = tcb_desc->queue_index;
953
954
955 spin_lock_irqsave(&priv->tx_lock, flags);
956
957 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
958 if (queue_index == TXCMD_QUEUE) {
959 skb_push(skb, USB_HWDESC_HEADER_LEN);
960 rtl819xU_tx_cmd(dev, skb);
961 ret = 1;
962 } else {
963 skb_push(skb, priv->ieee80211->tx_headroom);
964 ret = rtl8192_tx(dev, skb);
965 }
966
967 spin_unlock_irqrestore(&priv->tx_lock, flags);
968
969 return ret;
970}
971
972static void rtl8192_tx_isr(struct urb *tx_urb)
973{
974 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
975 struct net_device *dev;
976 struct r8192_priv *priv = NULL;
977 struct cb_desc *tcb_desc;
978 u8 queue_index;
979
980 if (!skb)
981 return;
982
983 dev = *(struct net_device **)(skb->cb);
984 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
985 queue_index = tcb_desc->queue_index;
986
987 priv = ieee80211_priv(dev);
988
989 if (tcb_desc->queue_index != TXCMD_QUEUE) {
990 if (tx_urb->status == 0) {
991 netif_trans_update(dev);
992 priv->stats.txoktotal++;
993 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
994 priv->stats.txbytesunicast +=
995 (skb->len - priv->ieee80211->tx_headroom);
996 } else {
997 priv->ieee80211->stats.tx_errors++;
998
999 }
1000 }
1001
1002
1003 dev_kfree_skb_any(skb);
1004 usb_free_urb(tx_urb);
1005 atomic_dec(&priv->tx_pending[queue_index]);
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020 if (queue_index != BEACON_QUEUE) {
1021
1022 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1023 (!(priv->ieee80211->queue_stop))) {
1024 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1025 if (skb)
1026 priv->ieee80211->softmac_hard_start_xmit(skb,
1027 dev);
1028
1029 return;
1030 }
1031 }
1032}
1033
1034static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1035{
1036 struct r8192_priv *priv = ieee80211_priv(dev);
1037 struct ieee80211_network *net;
1038 u8 i = 0, basic_rate = 0;
1039
1040 net = &priv->ieee80211->current_network;
1041
1042 for (i = 0; i < net->rates_len; i++) {
1043 basic_rate = net->rates[i] & 0x7f;
1044 switch (basic_rate) {
1045 case MGN_1M:
1046 *rate_config |= RRSR_1M;
1047 break;
1048 case MGN_2M:
1049 *rate_config |= RRSR_2M;
1050 break;
1051 case MGN_5_5M:
1052 *rate_config |= RRSR_5_5M;
1053 break;
1054 case MGN_11M:
1055 *rate_config |= RRSR_11M;
1056 break;
1057 case MGN_6M:
1058 *rate_config |= RRSR_6M;
1059 break;
1060 case MGN_9M:
1061 *rate_config |= RRSR_9M;
1062 break;
1063 case MGN_12M:
1064 *rate_config |= RRSR_12M;
1065 break;
1066 case MGN_18M:
1067 *rate_config |= RRSR_18M;
1068 break;
1069 case MGN_24M:
1070 *rate_config |= RRSR_24M;
1071 break;
1072 case MGN_36M:
1073 *rate_config |= RRSR_36M;
1074 break;
1075 case MGN_48M:
1076 *rate_config |= RRSR_48M;
1077 break;
1078 case MGN_54M:
1079 *rate_config |= RRSR_54M;
1080 break;
1081 }
1082 }
1083 for (i = 0; i < net->rates_ex_len; i++) {
1084 basic_rate = net->rates_ex[i] & 0x7f;
1085 switch (basic_rate) {
1086 case MGN_1M:
1087 *rate_config |= RRSR_1M;
1088 break;
1089 case MGN_2M:
1090 *rate_config |= RRSR_2M;
1091 break;
1092 case MGN_5_5M:
1093 *rate_config |= RRSR_5_5M;
1094 break;
1095 case MGN_11M:
1096 *rate_config |= RRSR_11M;
1097 break;
1098 case MGN_6M:
1099 *rate_config |= RRSR_6M;
1100 break;
1101 case MGN_9M:
1102 *rate_config |= RRSR_9M;
1103 break;
1104 case MGN_12M:
1105 *rate_config |= RRSR_12M;
1106 break;
1107 case MGN_18M:
1108 *rate_config |= RRSR_18M;
1109 break;
1110 case MGN_24M:
1111 *rate_config |= RRSR_24M;
1112 break;
1113 case MGN_36M:
1114 *rate_config |= RRSR_36M;
1115 break;
1116 case MGN_48M:
1117 *rate_config |= RRSR_48M;
1118 break;
1119 case MGN_54M:
1120 *rate_config |= RRSR_54M;
1121 break;
1122 }
1123 }
1124}
1125
1126
1127#define SHORT_SLOT_TIME 9
1128#define NON_SHORT_SLOT_TIME 20
1129
1130static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1131{
1132 u32 tmp = 0;
1133 struct r8192_priv *priv = ieee80211_priv(dev);
1134 struct ieee80211_network *net = &priv->ieee80211->current_network;
1135
1136 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1137 tmp = priv->basic_rate;
1138 if (priv->short_preamble)
1139 tmp |= BRSR_AckShortPmb;
1140 write_nic_dword(dev, RRSR, tmp);
1141
1142 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1143 u8 slot_time = 0;
1144
1145 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1146 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1147
1148 slot_time = SHORT_SLOT_TIME;
1149 else
1150 slot_time = NON_SHORT_SLOT_TIME;
1151 priv->slot_time = slot_time;
1152 write_nic_byte(dev, SLOT_TIME, slot_time);
1153 }
1154}
1155
1156static void rtl8192_net_update(struct net_device *dev)
1157{
1158 struct r8192_priv *priv = ieee80211_priv(dev);
1159 struct ieee80211_network *net;
1160 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1161 u16 rate_config = 0;
1162
1163 net = &priv->ieee80211->current_network;
1164
1165 rtl8192_config_rate(dev, &rate_config);
1166 priv->basic_rate = rate_config & 0x15f;
1167
1168 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1169 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1170
1171 rtl8192_update_msr(dev);
1172 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1173 write_nic_word(dev, ATIMWND, 2);
1174 write_nic_word(dev, BCN_DMATIME, 1023);
1175 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1176 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1177 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1178 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1179
1180 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1181
1182 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1183 }
1184}
1185
1186
1187
1188
1189void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1190{
1191
1192}
1193
1194short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1195{
1196 struct r8192_priv *priv = ieee80211_priv(dev);
1197 int status;
1198 struct urb *tx_urb;
1199 unsigned int idx_pipe;
1200 struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
1201 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1202 u8 queue_index = tcb_desc->queue_index;
1203
1204 atomic_inc(&priv->tx_pending[queue_index]);
1205 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1206 if (!tx_urb) {
1207 dev_kfree_skb(skb);
1208 return -ENOMEM;
1209 }
1210
1211 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1212
1213 pdesc->FirstSeg = 1;
1214 pdesc->LastSeg = 1;
1215 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1216 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1217 pdesc->OWN = 1;
1218 pdesc->LINIP = tcb_desc->bLastIniPkt;
1219
1220
1221
1222
1223
1224 idx_pipe = 0x04;
1225 usb_fill_bulk_urb(tx_urb, priv->udev,
1226 usb_sndbulkpipe(priv->udev, idx_pipe),
1227 skb->data, skb->len, rtl8192_tx_isr, skb);
1228
1229 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1230
1231 if (!status)
1232 return 0;
1233
1234 DMESGE("Error TX CMD URB, error %d", status);
1235 return -1;
1236}
1237
1238
1239
1240
1241
1242
1243
1244
1245static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1246{
1247 u8 QueueSelect = 0x0;
1248
1249 switch (QueueID) {
1250 case BE_QUEUE:
1251 QueueSelect = QSLT_BE;
1252 break;
1253
1254 case BK_QUEUE:
1255 QueueSelect = QSLT_BK;
1256 break;
1257
1258 case VO_QUEUE:
1259 QueueSelect = QSLT_VO;
1260 break;
1261
1262 case VI_QUEUE:
1263 QueueSelect = QSLT_VI;
1264 break;
1265 case MGNT_QUEUE:
1266 QueueSelect = QSLT_MGNT;
1267 break;
1268
1269 case BEACON_QUEUE:
1270 QueueSelect = QSLT_BEACON;
1271 break;
1272
1273
1274
1275 case TXCMD_QUEUE:
1276 QueueSelect = QSLT_CMD;
1277 break;
1278 case HIGH_QUEUE:
1279 QueueSelect = QSLT_HIGH;
1280 break;
1281
1282 default:
1283 RT_TRACE(COMP_ERR,
1284 "TransmitTCB(): Impossible Queue Selection: %d\n",
1285 QueueID);
1286 break;
1287 }
1288 return QueueSelect;
1289}
1290
1291static u8 MRateToHwRate8190Pci(u8 rate)
1292{
1293 u8 ret = DESC90_RATE1M;
1294
1295 switch (rate) {
1296 case MGN_1M:
1297 ret = DESC90_RATE1M;
1298 break;
1299 case MGN_2M:
1300 ret = DESC90_RATE2M;
1301 break;
1302 case MGN_5_5M:
1303 ret = DESC90_RATE5_5M;
1304 break;
1305 case MGN_11M:
1306 ret = DESC90_RATE11M;
1307 break;
1308 case MGN_6M:
1309 ret = DESC90_RATE6M;
1310 break;
1311 case MGN_9M:
1312 ret = DESC90_RATE9M;
1313 break;
1314 case MGN_12M:
1315 ret = DESC90_RATE12M;
1316 break;
1317 case MGN_18M:
1318 ret = DESC90_RATE18M;
1319 break;
1320 case MGN_24M:
1321 ret = DESC90_RATE24M;
1322 break;
1323 case MGN_36M:
1324 ret = DESC90_RATE36M;
1325 break;
1326 case MGN_48M:
1327 ret = DESC90_RATE48M;
1328 break;
1329 case MGN_54M:
1330 ret = DESC90_RATE54M;
1331 break;
1332
1333
1334 case MGN_MCS0:
1335 ret = DESC90_RATEMCS0;
1336 break;
1337 case MGN_MCS1:
1338 ret = DESC90_RATEMCS1;
1339 break;
1340 case MGN_MCS2:
1341 ret = DESC90_RATEMCS2;
1342 break;
1343 case MGN_MCS3:
1344 ret = DESC90_RATEMCS3;
1345 break;
1346 case MGN_MCS4:
1347 ret = DESC90_RATEMCS4;
1348 break;
1349 case MGN_MCS5:
1350 ret = DESC90_RATEMCS5;
1351 break;
1352 case MGN_MCS6:
1353 ret = DESC90_RATEMCS6;
1354 break;
1355 case MGN_MCS7:
1356 ret = DESC90_RATEMCS7;
1357 break;
1358 case MGN_MCS8:
1359 ret = DESC90_RATEMCS8;
1360 break;
1361 case MGN_MCS9:
1362 ret = DESC90_RATEMCS9;
1363 break;
1364 case MGN_MCS10:
1365 ret = DESC90_RATEMCS10;
1366 break;
1367 case MGN_MCS11:
1368 ret = DESC90_RATEMCS11;
1369 break;
1370 case MGN_MCS12:
1371 ret = DESC90_RATEMCS12;
1372 break;
1373 case MGN_MCS13:
1374 ret = DESC90_RATEMCS13;
1375 break;
1376 case MGN_MCS14:
1377 ret = DESC90_RATEMCS14;
1378 break;
1379 case MGN_MCS15:
1380 ret = DESC90_RATEMCS15;
1381 break;
1382 case (0x80 | 0x20):
1383 ret = DESC90_RATEMCS32;
1384 break;
1385
1386 default:
1387 break;
1388 }
1389 return ret;
1390}
1391
1392
1393static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1394{
1395 u8 tmp_Short;
1396
1397 tmp_Short = (TxHT == 1) ?
1398 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1399 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1400
1401 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1402 tmp_Short = 0;
1403
1404 return tmp_Short;
1405}
1406
1407static void tx_zero_isr(struct urb *tx_urb)
1408{
1409}
1410
1411
1412
1413
1414
1415
1416short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1417{
1418 struct r8192_priv *priv = ieee80211_priv(dev);
1419 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1420 struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
1421 struct tx_fwinfo_819x_usb *tx_fwinfo =
1422 (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1423 struct usb_device *udev = priv->udev;
1424 int pend;
1425 int status;
1426 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1427 unsigned int idx_pipe;
1428
1429 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1430
1431
1432
1433
1434 if (pend > MAX_TX_URB) {
1435 netdev_dbg(dev, "To discard skb packet!\n");
1436 dev_kfree_skb_any(skb);
1437 return -1;
1438 }
1439
1440 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1441 if (!tx_urb) {
1442 dev_kfree_skb_any(skb);
1443 return -ENOMEM;
1444 }
1445
1446
1447 memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
1448
1449 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1450 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1451 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1452 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1453 tcb_desc);
1454 if (tcb_desc->bAMPDUEnable) {
1455 tx_fwinfo->AllowAggregation = 1;
1456
1457 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1458 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1459 } else {
1460 tx_fwinfo->AllowAggregation = 0;
1461
1462 tx_fwinfo->RxMF = 0;
1463 tx_fwinfo->RxAMD = 0;
1464 }
1465
1466
1467 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1468 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1469 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1470 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1471 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1472 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1473 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1474 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1475 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1476
1477
1478 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1479 if (tcb_desc->bPacketBW) {
1480 tx_fwinfo->TxBandwidth = 1;
1481
1482 tx_fwinfo->TxSubCarrier = 0;
1483 } else {
1484 tx_fwinfo->TxBandwidth = 0;
1485 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1486 }
1487 } else {
1488 tx_fwinfo->TxBandwidth = 0;
1489 tx_fwinfo->TxSubCarrier = 0;
1490 }
1491
1492
1493 memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
1494
1495 tx_desc->LINIP = 0;
1496 tx_desc->CmdInit = 1;
1497 tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8;
1498 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1499
1500
1501 tx_desc->SecCAMID = 0;
1502 tx_desc->RATid = tcb_desc->RATRIndex;
1503 tx_desc->NoEnc = 1;
1504 tx_desc->SecType = 0x0;
1505 if (tcb_desc->bHwSec) {
1506 switch (priv->ieee80211->pairwise_key_type) {
1507 case KEY_TYPE_WEP40:
1508 case KEY_TYPE_WEP104:
1509 tx_desc->SecType = 0x1;
1510 tx_desc->NoEnc = 0;
1511 break;
1512 case KEY_TYPE_TKIP:
1513 tx_desc->SecType = 0x2;
1514 tx_desc->NoEnc = 0;
1515 break;
1516 case KEY_TYPE_CCMP:
1517 tx_desc->SecType = 0x3;
1518 tx_desc->NoEnc = 0;
1519 break;
1520 case KEY_TYPE_NA:
1521 tx_desc->SecType = 0x0;
1522 tx_desc->NoEnc = 1;
1523 break;
1524 }
1525 }
1526
1527 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1528 tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb);
1529
1530 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1531 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1532
1533
1534
1535
1536
1537 tx_desc->FirstSeg = 1;
1538 tx_desc->LastSeg = 1;
1539 tx_desc->OWN = 1;
1540
1541
1542 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1543 idx_pipe = 0x5;
1544
1545
1546 usb_fill_bulk_urb(tx_urb, udev,
1547 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1548 skb->len, rtl8192_tx_isr, skb);
1549
1550 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1551 if (!status) {
1552
1553
1554
1555
1556
1557 bool bSend0Byte = false;
1558 u8 zero = 0;
1559
1560 if (udev->speed == USB_SPEED_HIGH) {
1561 if (skb->len > 0 && skb->len % 512 == 0)
1562 bSend0Byte = true;
1563 } else {
1564 if (skb->len > 0 && skb->len % 64 == 0)
1565 bSend0Byte = true;
1566 }
1567 if (bSend0Byte) {
1568 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1569 if (!tx_urb_zero)
1570 return -ENOMEM;
1571 usb_fill_bulk_urb(tx_urb_zero, udev,
1572 usb_sndbulkpipe(udev, idx_pipe),
1573 &zero, 0, tx_zero_isr, dev);
1574 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1575 if (status) {
1576 RT_TRACE(COMP_ERR,
1577 "Error TX URB for zero byte %d, error %d",
1578 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1579 status);
1580 return -1;
1581 }
1582 }
1583 netif_trans_update(dev);
1584 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1585 return 0;
1586 }
1587
1588 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1589 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1590 status);
1591 return -1;
1592}
1593
1594static short rtl8192_usb_initendpoints(struct net_device *dev)
1595{
1596 struct r8192_priv *priv = ieee80211_priv(dev);
1597
1598 priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1599 GFP_KERNEL);
1600 if (!priv->rx_urb)
1601 return -ENOMEM;
1602
1603#ifndef JACKSON_NEW_RX
1604 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1605 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1606 if (!priv->rx_urb[i])
1607 return -ENOMEM;
1608
1609 priv->rx_urb[i]->transfer_buffer =
1610 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1611 if (!priv->rx_urb[i]->transfer_buffer)
1612 return -ENOMEM;
1613
1614 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1615 }
1616#endif
1617
1618#ifdef THOMAS_BEACON
1619 {
1620 long align = 0;
1621 void *oldaddr, *newaddr;
1622
1623 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1624 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1625 if (!priv->oldaddr)
1626 return -ENOMEM;
1627 oldaddr = priv->oldaddr;
1628 align = ((long)oldaddr) & 3;
1629 if (align) {
1630 newaddr = oldaddr + 4 - align;
1631 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1632 } else {
1633 newaddr = oldaddr;
1634 priv->rx_urb[16]->transfer_buffer_length = 16;
1635 }
1636 priv->rx_urb[16]->transfer_buffer = newaddr;
1637 }
1638#endif
1639
1640 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1641 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1642 GFP_KERNEL);
1643 if (!priv->pp_rxskb) {
1644 kfree(priv->rx_urb);
1645
1646 priv->pp_rxskb = NULL;
1647 priv->rx_urb = NULL;
1648
1649 DMESGE("Endpoint Alloc Failure");
1650 return -ENOMEM;
1651 }
1652
1653 netdev_dbg(dev, "End of initendpoints\n");
1654 return 0;
1655}
1656
1657#ifdef THOMAS_BEACON
1658static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1659{
1660 int i;
1661 struct r8192_priv *priv = ieee80211_priv(dev);
1662
1663 if (priv->rx_urb) {
1664 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1665 usb_kill_urb(priv->rx_urb[i]);
1666 usb_free_urb(priv->rx_urb[i]);
1667 }
1668 kfree(priv->rx_urb);
1669 priv->rx_urb = NULL;
1670 }
1671 kfree(priv->oldaddr);
1672 priv->oldaddr = NULL;
1673
1674 kfree(priv->pp_rxskb);
1675 priv->pp_rxskb = NULL;
1676}
1677#else
1678void rtl8192_usb_deleteendpoints(struct net_device *dev)
1679{
1680 int i;
1681 struct r8192_priv *priv = ieee80211_priv(dev);
1682
1683#ifndef JACKSON_NEW_RX
1684
1685 if (priv->rx_urb) {
1686 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1687 usb_kill_urb(priv->rx_urb[i]);
1688 kfree(priv->rx_urb[i]->transfer_buffer);
1689 usb_free_urb(priv->rx_urb[i]);
1690 }
1691 kfree(priv->rx_urb);
1692 priv->rx_urb = NULL;
1693 }
1694#else
1695 kfree(priv->rx_urb);
1696 priv->rx_urb = NULL;
1697 kfree(priv->oldaddr);
1698 priv->oldaddr = NULL;
1699
1700 kfree(priv->pp_rxskb);
1701 priv->pp_rxskb = 0;
1702
1703#endif
1704}
1705#endif
1706
1707static void rtl8192_update_ratr_table(struct net_device *dev);
1708static void rtl8192_link_change(struct net_device *dev)
1709{
1710 struct r8192_priv *priv = ieee80211_priv(dev);
1711 struct ieee80211_device *ieee = priv->ieee80211;
1712
1713 if (ieee->state == IEEE80211_LINKED) {
1714 rtl8192_net_update(dev);
1715 rtl8192_update_ratr_table(dev);
1716
1717
1718
1719
1720 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1721 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1722 EnableHWSecurityConfig8192(dev);
1723 }
1724
1725 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1726 u32 reg = 0;
1727
1728 read_nic_dword(dev, RCR, ®);
1729 if (priv->ieee80211->state == IEEE80211_LINKED)
1730 priv->ReceiveConfig = reg |= RCR_CBSSID;
1731 else
1732 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1733 write_nic_dword(dev, RCR, reg);
1734 }
1735}
1736
1737static const struct ieee80211_qos_parameters def_qos_parameters = {
1738 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1739 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1740 {2, 2, 2, 2},
1741 {0, 0, 0, 0},
1742 {0, 0, 0, 0}
1743};
1744
1745
1746static void rtl8192_update_beacon(struct work_struct *work)
1747{
1748 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1749 update_beacon_wq.work);
1750 struct net_device *dev = priv->ieee80211->dev;
1751 struct ieee80211_device *ieee = priv->ieee80211;
1752 struct ieee80211_network *net = &ieee->current_network;
1753
1754 if (ieee->pHTInfo->bCurrentHTSupport)
1755 HTUpdateSelfAndPeerSetting(ieee, net);
1756 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1757 net->bssht.bdRT2RTLongSlotTime;
1758 rtl8192_update_cap(dev, net->capability);
1759}
1760
1761
1762
1763
1764static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1765 EDCAPARA_VI, EDCAPARA_VO};
1766static void rtl8192_qos_activate(struct work_struct *work)
1767{
1768 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1769 qos_activate);
1770 struct net_device *dev = priv->ieee80211->dev;
1771 struct ieee80211_qos_parameters *qos_parameters =
1772 &priv->ieee80211->current_network.qos_data.parameters;
1773 u8 mode = priv->ieee80211->current_network.mode;
1774 u32 u1bAIFS;
1775 u32 u4bAcParam;
1776 u32 op_limit;
1777 u32 cw_max;
1778 u32 cw_min;
1779 int i;
1780
1781 mutex_lock(&priv->mutex);
1782 if (priv->ieee80211->state != IEEE80211_LINKED)
1783 goto success;
1784 RT_TRACE(COMP_QOS,
1785 "qos active process with associate response received\n");
1786
1787
1788
1789
1790
1791
1792
1793 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1794
1795 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1796 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1797 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1798 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1799 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1800 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1801 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1802 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1803 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1804 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1805 }
1806
1807success:
1808 mutex_unlock(&priv->mutex);
1809}
1810
1811static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1812 int active_network,
1813 struct ieee80211_network *network)
1814{
1815 int ret = 0;
1816 u32 size = sizeof(struct ieee80211_qos_parameters);
1817
1818 if (priv->ieee80211->state != IEEE80211_LINKED)
1819 return ret;
1820
1821 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1822 return ret;
1823
1824 if (network->flags & NETWORK_HAS_QOS_MASK) {
1825 if (active_network &&
1826 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1827 network->qos_data.active = network->qos_data.supported;
1828
1829 if ((network->qos_data.active == 1) && (active_network == 1) &&
1830 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1831 (network->qos_data.old_param_count !=
1832 network->qos_data.param_count)) {
1833 network->qos_data.old_param_count =
1834 network->qos_data.param_count;
1835 schedule_work(&priv->qos_activate);
1836 RT_TRACE(COMP_QOS,
1837 "QoS parameters change call qos_activate\n");
1838 }
1839 } else {
1840 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1841 &def_qos_parameters, size);
1842
1843 if ((network->qos_data.active == 1) && (active_network == 1)) {
1844 schedule_work(&priv->qos_activate);
1845 RT_TRACE(COMP_QOS,
1846 "QoS was disabled call qos_activate\n");
1847 }
1848 network->qos_data.active = 0;
1849 network->qos_data.supported = 0;
1850 }
1851
1852 return 0;
1853}
1854
1855
1856static int rtl8192_handle_beacon(struct net_device *dev,
1857 struct ieee80211_beacon *beacon,
1858 struct ieee80211_network *network)
1859{
1860 struct r8192_priv *priv = ieee80211_priv(dev);
1861
1862 rtl8192_qos_handle_probe_response(priv, 1, network);
1863 schedule_delayed_work(&priv->update_beacon_wq, 0);
1864 return 0;
1865}
1866
1867
1868
1869
1870
1871
1872static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1873 struct ieee80211_network *network)
1874{
1875 unsigned long flags;
1876 u32 size = sizeof(struct ieee80211_qos_parameters);
1877 int set_qos_param = 0;
1878
1879 if (!priv || !network)
1880 return 0;
1881
1882 if (priv->ieee80211->state != IEEE80211_LINKED)
1883 return 0;
1884
1885 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1886 return 0;
1887
1888 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1889 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1890 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1891 &network->qos_data.parameters,
1892 sizeof(struct ieee80211_qos_parameters));
1893 priv->ieee80211->current_network.qos_data.active = 1;
1894 set_qos_param = 1;
1895
1896 priv->ieee80211->current_network.qos_data.old_param_count =
1897 priv->ieee80211->current_network.qos_data.param_count;
1898 priv->ieee80211->current_network.qos_data.param_count =
1899 network->qos_data.param_count;
1900 } else {
1901 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1902 &def_qos_parameters, size);
1903 priv->ieee80211->current_network.qos_data.active = 0;
1904 priv->ieee80211->current_network.qos_data.supported = 0;
1905 set_qos_param = 1;
1906 }
1907
1908 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1909
1910 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1911 network->flags,
1912 priv->ieee80211->current_network.qos_data.active);
1913 if (set_qos_param == 1)
1914 schedule_work(&priv->qos_activate);
1915
1916
1917 return 0;
1918}
1919
1920
1921static int rtl8192_handle_assoc_response(
1922 struct net_device *dev,
1923 struct ieee80211_assoc_response_frame *resp,
1924 struct ieee80211_network *network)
1925{
1926 struct r8192_priv *priv = ieee80211_priv(dev);
1927
1928 rtl8192_qos_association_resp(priv, network);
1929 return 0;
1930}
1931
1932
1933static void rtl8192_update_ratr_table(struct net_device *dev)
1934{
1935 struct r8192_priv *priv = ieee80211_priv(dev);
1936 struct ieee80211_device *ieee = priv->ieee80211;
1937 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1938 u32 ratr_value = 0;
1939 u8 rate_index = 0;
1940
1941 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1942 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1943 switch (ieee->mode) {
1944 case IEEE_A:
1945 ratr_value &= 0x00000FF0;
1946 break;
1947 case IEEE_B:
1948 ratr_value &= 0x0000000F;
1949 break;
1950 case IEEE_G:
1951 ratr_value &= 0x00000FF7;
1952 break;
1953 case IEEE_N_24G:
1954 case IEEE_N_5G:
1955 if (ieee->pHTInfo->PeerMimoPs == MIMO_PS_STATIC) {
1956 ratr_value &= 0x0007F007;
1957 } else {
1958 if (priv->rf_type == RF_1T2R)
1959 ratr_value &= 0x000FF007;
1960 else
1961 ratr_value &= 0x0F81F007;
1962 }
1963 break;
1964 default:
1965 break;
1966 }
1967 ratr_value &= 0x0FFFFFFF;
1968 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
1969 ratr_value |= 0x80000000;
1970 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
1971 ieee->pHTInfo->bCurShortGI20MHz)
1972 ratr_value |= 0x80000000;
1973 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
1974 write_nic_byte(dev, UFWP, 1);
1975}
1976
1977static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
1978static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
1979static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
1980{
1981 struct r8192_priv *priv = ieee80211_priv(dev);
1982 struct ieee80211_device *ieee = priv->ieee80211;
1983 struct ieee80211_network *network = &ieee->current_network;
1984 int wpa_ie_len = ieee->wpa_ie_len;
1985 struct ieee80211_crypt_data *crypt;
1986 int encrypt;
1987
1988 crypt = ieee->crypt[ieee->tx_keyidx];
1989
1990
1991
1992 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
1993 (ieee->host_encrypt && crypt && crypt->ops &&
1994 (strcmp(crypt->ops->name, "WEP") == 0));
1995
1996
1997 if (encrypt && (wpa_ie_len == 0)) {
1998
1999 return false;
2000 } else if ((wpa_ie_len != 0)) {
2001
2002 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))))
2003 return true;
2004 else
2005 return false;
2006 } else {
2007 return true;
2008 }
2009
2010 return true;
2011}
2012
2013static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2014{
2015 struct r8192_priv *priv = ieee80211_priv(dev);
2016
2017 return priv->ieee80211->bHalfWirelessN24GMode;
2018}
2019
2020static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2021{
2022 struct ieee80211_device *ieee = priv->ieee80211;
2023
2024
2025
2026 if (ieee->mode == WIRELESS_MODE_N_24G ||
2027 ieee->mode == WIRELESS_MODE_N_5G)
2028 memcpy(ieee->Regdot11HTOperationalRateSet,
2029 ieee->RegHTSuppRateSet, 16);
2030 else
2031 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2032}
2033
2034static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2035{
2036 struct r8192_priv *priv = ieee80211_priv(dev);
2037 u8 ret = 0;
2038
2039 switch (priv->rf_chip) {
2040 case RF_8225:
2041 case RF_8256:
2042 case RF_PSEUDO_11N:
2043 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2044 break;
2045 case RF_8258:
2046 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2047 break;
2048 default:
2049 ret = WIRELESS_MODE_B;
2050 break;
2051 }
2052 return ret;
2053}
2054
2055static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2056{
2057 struct r8192_priv *priv = ieee80211_priv(dev);
2058 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2059
2060 if (wireless_mode == WIRELESS_MODE_AUTO ||
2061 (wireless_mode & bSupportMode) == 0) {
2062 if (bSupportMode & WIRELESS_MODE_N_24G) {
2063 wireless_mode = WIRELESS_MODE_N_24G;
2064 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2065 wireless_mode = WIRELESS_MODE_N_5G;
2066 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2067 wireless_mode = WIRELESS_MODE_A;
2068 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2069 wireless_mode = WIRELESS_MODE_G;
2070 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2071 wireless_mode = WIRELESS_MODE_B;
2072 } else {
2073 RT_TRACE(COMP_ERR,
2074 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2075 __func__, bSupportMode);
2076 wireless_mode = WIRELESS_MODE_B;
2077 }
2078 }
2079#ifdef TO_DO_LIST
2080
2081
2082
2083 ActUpdateChannelAccessSetting(
2084 pAdapter, pHalData->CurrentWirelessMode,
2085 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2086#endif
2087 priv->ieee80211->mode = wireless_mode;
2088
2089 if (wireless_mode == WIRELESS_MODE_N_24G ||
2090 wireless_mode == WIRELESS_MODE_N_5G)
2091 priv->ieee80211->pHTInfo->bEnableHT = 1;
2092 else
2093 priv->ieee80211->pHTInfo->bEnableHT = 0;
2094 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2095 rtl8192_refresh_supportrate(priv);
2096}
2097
2098
2099static void rtl8192_init_priv_variable(struct net_device *dev)
2100{
2101 struct r8192_priv *priv = ieee80211_priv(dev);
2102 u8 i;
2103
2104 priv->card_8192 = NIC_8192U;
2105 priv->chan = 1;
2106 priv->ieee80211->mode = WIRELESS_MODE_AUTO;
2107 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2108 priv->ieee80211->ieee_up = 0;
2109 priv->retry_rts = DEFAULT_RETRY_RTS;
2110 priv->retry_data = DEFAULT_RETRY_DATA;
2111 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2112 priv->ieee80211->rate = 110;
2113 priv->ieee80211->short_slot = 1;
2114 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2115 priv->CckPwEnl = 6;
2116
2117 priv->IrpPendingCount = 1;
2118 priv->ResetProgress = RESET_TYPE_NORESET;
2119 priv->bForcedSilentReset = false;
2120 priv->bDisableNormalResetCheck = false;
2121 priv->force_reset = false;
2122
2123
2124 priv->ieee80211->FwRWRF = 0;
2125 priv->ieee80211->current_network.beacon_interval =
2126 DEFAULT_BEACONINTERVAL;
2127 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2128 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2129 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2130 IEEE_SOFTMAC_BEACONS;
2131
2132 priv->ieee80211->active_scan = 1;
2133 priv->ieee80211->modulation =
2134 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2135 priv->ieee80211->host_encrypt = 1;
2136 priv->ieee80211->host_decrypt = 1;
2137 priv->ieee80211->start_send_beacons = NULL;
2138 priv->ieee80211->stop_send_beacons = NULL;
2139 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2140 priv->ieee80211->set_chan = rtl8192_set_chan;
2141 priv->ieee80211->link_change = rtl8192_link_change;
2142 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2143 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2144 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2145 priv->ieee80211->init_wmmparam_flag = 0;
2146 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2147 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2148 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2149 priv->ieee80211->qos_support = 1;
2150
2151 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2152 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2153 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2154
2155 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2156 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2157 GetHalfNmodeSupportByAPs819xUsb;
2158 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2159
2160 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2161 priv->card_type = USB;
2162#ifdef TO_DO_LIST
2163 if (Adapter->bInHctTest) {
2164 pHalData->ShortRetryLimit = 7;
2165 pHalData->LongRetryLimit = 7;
2166 }
2167#endif
2168 priv->ShortRetryLimit = 0x30;
2169 priv->LongRetryLimit = 0x30;
2170 priv->EarlyRxThreshold = 7;
2171 priv->enable_gpio0 = 0;
2172 priv->TransmitConfig =
2173
2174 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2175
2176 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2177
2178 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2179
2180
2181
2182 (false ? TCR_SAT : 0);
2183#ifdef TO_DO_LIST
2184 if (Adapter->bInHctTest)
2185 pHalData->ReceiveConfig =
2186 pHalData->CSMethod |
2187
2188 RCR_AMF | RCR_ADF |
2189
2190
2191
2192 RCR_ACF |
2193
2194 RCR_AB | RCR_AM | RCR_APM |
2195
2196
2197
2198 RCR_AICV | RCR_ACRC32 |
2199
2200
2201
2202 ((u32)7 << RCR_MXDMA_OFFSET) |
2203
2204
2205
2206 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2207 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2208 else
2209
2210#endif
2211 priv->ReceiveConfig =
2212
2213 RCR_AMF | RCR_ADF |
2214
2215 RCR_ACF |
2216
2217 RCR_AB | RCR_AM | RCR_APM |
2218
2219 ((u32)7 << RCR_MXDMA_OFFSET) |
2220
2221 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2222 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2223
2224 priv->AcmControl = 0;
2225 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2226
2227
2228 skb_queue_head_init(&priv->rx_queue);
2229 skb_queue_head_init(&priv->skb_queue);
2230
2231
2232 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2233 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2234 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2235 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2236 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2237 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2238 priv->rf_set_chan = rtl8192_phy_SwChnl;
2239}
2240
2241
2242static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2243{
2244 spin_lock_init(&priv->tx_lock);
2245 spin_lock_init(&priv->irq_lock);
2246 mutex_init(&priv->wx_mutex);
2247 mutex_init(&priv->mutex);
2248}
2249
2250static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2251
2252static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2253
2254#define DRV_NAME "wlan0"
2255static void rtl8192_init_priv_task(struct net_device *dev)
2256{
2257 struct r8192_priv *priv = ieee80211_priv(dev);
2258
2259
2260 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2261
2262 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2263 rtl819x_watchdog_wqcallback);
2264 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2265 dm_txpower_trackingcallback);
2266 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2267 dm_rf_pathcheck_workitemcallback);
2268 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2269 rtl8192_update_beacon);
2270 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2271 InitialGainOperateWorkItemCallBack);
2272 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2273
2274 tasklet_init(&priv->irq_rx_tasklet,
2275 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2276 (unsigned long)priv);
2277}
2278
2279static void rtl8192_get_eeprom_size(struct net_device *dev)
2280{
2281 u16 curCR = 0;
2282 struct r8192_priv *priv = ieee80211_priv(dev);
2283
2284 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2285 read_nic_word_E(dev, EPROM_CMD, &curCR);
2286 RT_TRACE(COMP_EPROM,
2287 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2288
2289 priv->epromtype =
2290 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2291 RT_TRACE(COMP_EPROM,
2292 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2293}
2294
2295
2296
2297
2298static inline u16 endian_swap(u16 *data)
2299{
2300 u16 tmp = *data;
2301 *data = (tmp >> 8) | (tmp << 8);
2302 return *data;
2303}
2304
2305static int rtl8192_read_eeprom_info(struct net_device *dev)
2306{
2307 u16 wEPROM_ID = 0;
2308 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2309 u8 bLoad_From_EEPOM = false;
2310 struct r8192_priv *priv = ieee80211_priv(dev);
2311 u16 tmpValue = 0;
2312 int i;
2313 int ret;
2314
2315 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2316 ret = eprom_read(dev, 0);
2317 if (ret < 0)
2318 return ret;
2319 wEPROM_ID = (u16)ret;
2320 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2321
2322 if (wEPROM_ID != RTL8190_EEPROM_ID)
2323 RT_TRACE(COMP_ERR,
2324 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2325 wEPROM_ID, RTL8190_EEPROM_ID);
2326 else
2327 bLoad_From_EEPOM = true;
2328
2329 if (bLoad_From_EEPOM) {
2330 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2331 ret = eprom_read(dev, EEPROM_VID >> 1);
2332 if (ret < 0)
2333 return ret;
2334 tmpValue = (u16)ret;
2335 priv->eeprom_vid = endian_swap(&tmpValue);
2336 ret = eprom_read(dev, EEPROM_PID >> 1);
2337 if (ret < 0)
2338 return ret;
2339 priv->eeprom_pid = (u16)ret;
2340 ret = eprom_read(dev, EEPROM_CHANNEL_PLAN >> 1);
2341 if (ret < 0)
2342 return ret;
2343 tmpValue = (u16)ret;
2344 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2345 priv->btxpowerdata_readfromEEPORM = true;
2346 ret = eprom_read(dev, (EEPROM_CUSTOMER_ID >> 1)) >> 8;
2347 if (ret < 0)
2348 return ret;
2349 priv->eeprom_CustomerID = (u16)ret;
2350 } else {
2351 priv->eeprom_vid = 0;
2352 priv->eeprom_pid = 0;
2353 priv->card_8192_version = VERSION_819XU_B;
2354 priv->eeprom_ChannelPlan = 0;
2355 priv->eeprom_CustomerID = 0;
2356 }
2357 RT_TRACE(COMP_EPROM,
2358 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2359 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2360 priv->eeprom_ChannelPlan);
2361
2362 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2363 if (bLoad_From_EEPOM) {
2364 int i;
2365
2366 for (i = 0; i < 6; i += 2) {
2367 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2368 if (ret < 0)
2369 return ret;
2370 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2371 }
2372 } else {
2373 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2374
2375 }
2376 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2377 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2378 priv->rf_chip = RF_8256;
2379
2380 if (priv->card_8192_version == VERSION_819XU_A) {
2381
2382 if (bLoad_From_EEPOM) {
2383 ret = eprom_read(dev, (EEPROM_TX_POWER_DIFF >> 1));
2384 if (ret < 0)
2385 return ret;
2386 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2387 } else
2388 priv->EEPROMTxPowerDiff = EEPROM_DEFAULT_TX_POWER;
2389 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2390
2391 if (bLoad_From_EEPOM) {
2392 ret = eprom_read(dev, (EEPROM_THERMAL_METER >> 1));
2393 if (ret < 0)
2394 return ret;
2395 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2396 } else
2397 priv->EEPROMThermalMeter = EEPROM_DEFAULT_THERNAL_METER;
2398 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2399
2400 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2401
2402 if (bLoad_From_EEPOM) {
2403 ret = eprom_read(dev, (EEPROM_PW_DIFF >> 1));
2404 if (ret < 0)
2405 return ret;
2406 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2407 } else
2408 priv->EEPROMPwDiff = EEPROM_DEFAULT_PW_DIFF;
2409 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2410
2411 if (bLoad_From_EEPOM) {
2412 ret = eprom_read(dev, (EEPROM_CRYSTAL_CAP >> 1));
2413 if (ret < 0)
2414 return ret;
2415 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2416 } else
2417 priv->EEPROMCrystalCap = EEPROM_DEFAULT_CRYSTAL_CAP;
2418 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2419
2420 if (bLoad_From_EEPOM) {
2421 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_VER >> 1));
2422 if (ret < 0)
2423 return ret;
2424 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2425 } else
2426 priv->EEPROM_Def_Ver = 1;
2427 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2428 if (priv->EEPROM_Def_Ver == 0) {
2429 int i;
2430
2431 if (bLoad_From_EEPOM) {
2432 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK >> 1));
2433 if (ret < 0)
2434 return ret;
2435 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2436 } else
2437 priv->EEPROMTxPowerLevelCCK = 0x10;
2438 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2439 for (i = 0; i < 3; i++) {
2440 if (bLoad_From_EEPOM) {
2441 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G + i) >> 1);
2442 if (ret < 0)
2443 return ret;
2444 if (((EEPROM_TX_PW_INDEX_OFDM_24G + i) % 2) == 0)
2445 tmpValue = (u16)ret & 0x00ff;
2446 else
2447 tmpValue = ((u16)ret & 0xff00) >> 8;
2448 } else {
2449 tmpValue = 0x10;
2450 }
2451 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2452 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2453 }
2454 } else if (priv->EEPROM_Def_Ver == 1) {
2455 if (bLoad_From_EEPOM) {
2456 ret = eprom_read(dev, EEPROM_TX_PW_INDEX_CCK_V1 >> 1);
2457 if (ret < 0)
2458 return ret;
2459 tmpValue = ((u16)ret & 0xff00) >> 8;
2460 } else {
2461 tmpValue = 0x10;
2462 }
2463 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2464
2465 if (bLoad_From_EEPOM) {
2466 ret = eprom_read(dev, (EEPROM_TX_PW_INDEX_CCK_V1 + 2) >> 1);
2467 if (ret < 0)
2468 return ret;
2469 tmpValue = (u16)ret;
2470 } else
2471 tmpValue = 0x1010;
2472 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2473 if (bLoad_From_EEPOM)
2474 tmpValue = eprom_read(dev,
2475 EEPROM_TX_PW_INDEX_OFDM_24G_V1 >> 1);
2476 else
2477 tmpValue = 0x1010;
2478 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2479 if (bLoad_From_EEPOM)
2480 tmpValue = eprom_read(dev, (EEPROM_TX_PW_INDEX_OFDM_24G_V1 + 2) >> 1);
2481 else
2482 tmpValue = 0x10;
2483 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2484 }
2485
2486
2487 for (i = 0; i < 14; i++) {
2488 if (i <= 3)
2489 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2490 else if (i >= 4 && i <= 9)
2491 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2492 else
2493 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2494 }
2495
2496 for (i = 0; i < 14; i++) {
2497 if (priv->EEPROM_Def_Ver == 0) {
2498 if (i <= 3)
2499 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2500 else if (i >= 4 && i <= 9)
2501 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2502 else
2503 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2504 } else if (priv->EEPROM_Def_Ver == 1) {
2505 if (i <= 3)
2506 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2507 else if (i >= 4 && i <= 9)
2508 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2509 else
2510 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2511 }
2512 }
2513 priv->TxPowerDiff = priv->EEPROMPwDiff;
2514
2515 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2516
2517 priv->AntennaTxPwDiff[1] =
2518 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2519
2520 priv->CrystalCap = priv->EEPROMCrystalCap;
2521
2522
2523
2524 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2525 }
2526
2527
2528 switch (priv->eeprom_CustomerID) {
2529 case EEPROM_CID_RUNTOP:
2530 priv->CustomerID = RT_CID_819x_RUNTOP;
2531 break;
2532
2533 case EEPROM_CID_DLINK:
2534 priv->CustomerID = RT_CID_DLINK;
2535 break;
2536
2537 default:
2538 priv->CustomerID = RT_CID_DEFAULT;
2539 break;
2540 }
2541
2542 switch (priv->CustomerID) {
2543 case RT_CID_819x_RUNTOP:
2544 priv->LedStrategy = SW_LED_MODE2;
2545 break;
2546
2547 case RT_CID_DLINK:
2548 priv->LedStrategy = SW_LED_MODE4;
2549 break;
2550
2551 default:
2552 priv->LedStrategy = SW_LED_MODE0;
2553 break;
2554 }
2555
2556
2557 if (priv->rf_type == RF_1T2R)
2558 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2559 else
2560 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2561
2562
2563
2564
2565 init_rate_adaptive(dev);
2566
2567 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2568
2569 return 0;
2570}
2571
2572static short rtl8192_get_channel_map(struct net_device *dev)
2573{
2574 struct r8192_priv *priv = ieee80211_priv(dev);
2575
2576 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2577 netdev_err(dev,
2578 "rtl8180_init: Error channel plan! Set to default.\n");
2579 priv->ChannelPlan = 0;
2580 }
2581 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2582
2583 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2584 return 0;
2585}
2586
2587static short rtl8192_init(struct net_device *dev)
2588{
2589 struct r8192_priv *priv = ieee80211_priv(dev);
2590 int err;
2591
2592 memset(&(priv->stats), 0, sizeof(struct Stats));
2593 memset(priv->txqueue_to_outpipemap, 0, 9);
2594#ifdef PIPE12
2595 {
2596 int i = 0;
2597 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2598
2599 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2600 }
2601#else
2602 {
2603 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2604
2605 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2606 }
2607#endif
2608 rtl8192_init_priv_variable(dev);
2609 rtl8192_init_priv_lock(priv);
2610 rtl8192_init_priv_task(dev);
2611 rtl8192_get_eeprom_size(dev);
2612 err = rtl8192_read_eeprom_info(dev);
2613 if (err) {
2614 DMESG("Reading EEPROM info failed");
2615 return err;
2616 }
2617 rtl8192_get_channel_map(dev);
2618 init_hal_dm(dev);
2619 timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2620 if (rtl8192_usb_initendpoints(dev) != 0) {
2621 DMESG("Endopoints initialization failed");
2622 return -ENOMEM;
2623 }
2624
2625 return 0;
2626}
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636static void rtl8192_hwconfig(struct net_device *dev)
2637{
2638 u32 regRATR = 0, regRRSR = 0;
2639 u8 regBwOpMode = 0, regTmp = 0;
2640 struct r8192_priv *priv = ieee80211_priv(dev);
2641 u32 ratr_value = 0;
2642
2643
2644 switch (priv->ieee80211->mode) {
2645 case WIRELESS_MODE_B:
2646 regBwOpMode = BW_OPMODE_20MHZ;
2647 regRATR = RATE_ALL_CCK;
2648 regRRSR = RATE_ALL_CCK;
2649 break;
2650 case WIRELESS_MODE_A:
2651 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2652 regRATR = RATE_ALL_OFDM_AG;
2653 regRRSR = RATE_ALL_OFDM_AG;
2654 break;
2655 case WIRELESS_MODE_G:
2656 regBwOpMode = BW_OPMODE_20MHZ;
2657 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2658 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2659 break;
2660 case WIRELESS_MODE_AUTO:
2661#ifdef TO_DO_LIST
2662 if (Adapter->bInHctTest) {
2663 regBwOpMode = BW_OPMODE_20MHZ;
2664 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2665 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2666 } else
2667#endif
2668 {
2669 regBwOpMode = BW_OPMODE_20MHZ;
2670 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2671 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2672 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2673 }
2674 break;
2675 case WIRELESS_MODE_N_24G:
2676
2677
2678
2679 regBwOpMode = BW_OPMODE_20MHZ;
2680 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2681 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2682 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2683 break;
2684 case WIRELESS_MODE_N_5G:
2685 regBwOpMode = BW_OPMODE_5G;
2686 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2687 RATE_ALL_OFDM_2SS;
2688 regRRSR = RATE_ALL_OFDM_AG;
2689 break;
2690 }
2691
2692 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2693 ratr_value = regRATR;
2694 if (priv->rf_type == RF_1T2R)
2695 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2696 write_nic_dword(dev, RATR0, ratr_value);
2697 write_nic_byte(dev, UFWP, 1);
2698 read_nic_byte(dev, 0x313, ®Tmp);
2699 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2700 write_nic_dword(dev, RRSR, regRRSR);
2701
2702
2703 write_nic_word(dev, RETRY_LIMIT,
2704 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2705 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2706
2707
2708
2709
2710
2711
2712
2713}
2714
2715
2716
2717static bool rtl8192_adapter_start(struct net_device *dev)
2718{
2719 struct r8192_priv *priv = ieee80211_priv(dev);
2720 u32 dwRegRead = 0;
2721 bool init_status = true;
2722 u8 SECR_value = 0x0;
2723 u8 tmp;
2724
2725 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2726 priv->Rf_Mode = RF_OP_By_SW_3wire;
2727
2728 write_nic_byte_E(dev, 0x5f, 0x80);
2729 mdelay(50);
2730 write_nic_byte_E(dev, 0x5f, 0xf0);
2731 write_nic_byte_E(dev, 0x5d, 0x00);
2732 write_nic_byte_E(dev, 0x5e, 0x80);
2733 write_nic_byte(dev, 0x17, 0x37);
2734 mdelay(10);
2735 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2736
2737
2738 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2739 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2740 dwRegRead |= CPU_GEN_SYSTEM_RESET;
2741 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2742 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2743 else
2744 RT_TRACE(COMP_ERR,
2745 "ERROR in %s(): undefined firmware state(%d)\n",
2746 __func__, priv->pFirmware->firmware_status);
2747
2748 write_nic_dword(dev, CPU_GEN, dwRegRead);
2749
2750 rtl8192_BBConfig(dev);
2751
2752
2753 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2754
2755 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2756 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2757 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2758 CPU_GEN_NO_LOOPBACK_SET;
2759 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2760 dwRegRead |= CPU_CCK_LOOPBACK;
2761 else
2762 RT_TRACE(COMP_ERR,
2763 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2764 __func__, priv->LoopbackMode);
2765
2766 write_nic_dword(dev, CPU_GEN, dwRegRead);
2767
2768
2769 udelay(500);
2770
2771
2772 read_nic_byte_E(dev, 0x5f, &tmp);
2773 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2774
2775
2776 rtl8192_hwconfig(dev);
2777
2778
2779 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2780
2781
2782 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2783 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2784
2785
2786 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2787
2788
2789 write_nic_dword(dev, RQPN1,
2790 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2791 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2792 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2793 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2794 write_nic_dword(dev, RQPN2,
2795 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2796 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2797 write_nic_dword(dev, RQPN3,
2798 APPLIED_RESERVED_QUEUE_IN_FW |
2799 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2800 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2801
2802
2803
2804 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2805
2806 if (priv->ResetProgress == RESET_TYPE_NORESET)
2807 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2808 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2809 CamResetAllEntry(dev);
2810 SECR_value |= SCR_TxEncEnable;
2811 SECR_value |= SCR_RxDecEnable;
2812 SECR_value |= SCR_NoSKMC;
2813 write_nic_byte(dev, SECR, SECR_value);
2814 }
2815
2816
2817 write_nic_word(dev, ATIMWND, 2);
2818 write_nic_word(dev, BCN_INTERVAL, 100);
2819
2820#define DEFAULT_EDCA 0x005e4332
2821 {
2822 int i;
2823
2824 for (i = 0; i < QOS_QUEUE_NUM; i++)
2825 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2826 }
2827
2828 rtl8192_phy_configmac(dev);
2829
2830 if (priv->card_8192_version == VERSION_819XU_A) {
2831 rtl8192_phy_getTxPower(dev);
2832 rtl8192_phy_setTxPower(dev, priv->chan);
2833 }
2834
2835
2836 init_status = init_firmware(dev);
2837 if (!init_status) {
2838 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2839 __func__);
2840 return init_status;
2841 }
2842 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2843
2844#ifdef TO_DO_LIST
2845 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2846 if (pMgntInfo->RegRfOff) {
2847 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2848 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2849 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2850
2851
2852
2853 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2854 PHY_SetRFReg(Adapter,
2855 (enum rf90_radio_path_e)eRFPath,
2856 0x4, 0xC00, 0x0);
2857 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2858
2859 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2860 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2861 pMgntInfo->RfOffReason));
2862 MgntActSet_RF_State(Adapter,
2863 eRfOff,
2864 pMgntInfo->RfOffReason);
2865 } else {
2866 pHalData->eRFPowerState = eRfOn;
2867 pMgntInfo->RfOffReason = 0;
2868 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2869 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2870 }
2871 } else {
2872 if (pHalData->eRFPowerState == eRfOff) {
2873 MgntActSet_RF_State(Adapter,
2874 eRfOff,
2875 pMgntInfo->RfOffReason);
2876
2877
2878
2879 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2880 PHY_SetRFReg(Adapter,
2881 (enum rf90_radio_path_e)eRFPath,
2882 0x4, 0xC00, 0x0);
2883 }
2884 }
2885#endif
2886
2887 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2888 rtl8192_phy_RFConfig(dev);
2889 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2890 }
2891
2892
2893 if (priv->ieee80211->FwRWRF)
2894
2895 priv->Rf_Mode = RF_OP_By_FW;
2896 else
2897 priv->Rf_Mode = RF_OP_By_SW_3wire;
2898
2899
2900 rtl8192_phy_updateInitGain(dev);
2901
2902 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2903 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2904
2905 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2906
2907 u8 tmpvalue;
2908
2909 read_nic_byte(dev, 0x301, &tmpvalue);
2910 if (tmpvalue == 0x03) {
2911 priv->bDcut = true;
2912 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2913 } else {
2914 priv->bDcut = false;
2915 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2916 }
2917 dm_initialize_txpower_tracking(dev);
2918
2919 if (priv->bDcut) {
2920 u32 i, TempCCk;
2921 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2922 rOFDM0_XATxIQImbalance,
2923 bMaskDWord);
2924
2925 for (i = 0; i < TxBBGainTableLength; i++) {
2926 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2927 priv->rfa_txpowertrackingindex = (u8)i;
2928 priv->rfa_txpowertrackingindex_real =
2929 (u8)i;
2930 priv->rfa_txpowertracking_default =
2931 priv->rfa_txpowertrackingindex;
2932 break;
2933 }
2934 }
2935
2936 TempCCk = rtl8192_QueryBBReg(dev,
2937 rCCK0_TxFilter1,
2938 bMaskByte2);
2939
2940 for (i = 0; i < CCKTxBBGainTableLength; i++) {
2941 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2942 priv->cck_present_attenuation_20Mdefault = (u8)i;
2943 break;
2944 }
2945 }
2946 priv->cck_present_attenuation_40Mdefault = 0;
2947 priv->cck_present_attenuation_difference = 0;
2948 priv->cck_present_attenuation =
2949 priv->cck_present_attenuation_20Mdefault;
2950 }
2951 }
2952 write_nic_byte(dev, 0x87, 0x0);
2953
2954
2955 return init_status;
2956}
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966static struct net_device_stats *rtl8192_stats(struct net_device *dev)
2967{
2968 struct r8192_priv *priv = ieee80211_priv(dev);
2969
2970 return &priv->ieee80211->stats;
2971}
2972
2973static bool HalTxCheckStuck819xUsb(struct net_device *dev)
2974{
2975 struct r8192_priv *priv = ieee80211_priv(dev);
2976 u16 RegTxCounter;
2977 bool bStuck = false;
2978
2979 read_nic_word(dev, 0x128, &RegTxCounter);
2980 RT_TRACE(COMP_RESET,
2981 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
2982 RegTxCounter, priv->TxCounter);
2983 if (priv->TxCounter == RegTxCounter)
2984 bStuck = true;
2985
2986 priv->TxCounter = RegTxCounter;
2987
2988 return bStuck;
2989}
2990
2991
2992
2993
2994
2995static RESET_TYPE TxCheckStuck(struct net_device *dev)
2996{
2997 struct r8192_priv *priv = ieee80211_priv(dev);
2998 u8 QueueID;
2999 bool bCheckFwTxCnt = false;
3000
3001
3002
3003 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3004 if (QueueID == TXCMD_QUEUE)
3005 continue;
3006 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3007 continue;
3008
3009 bCheckFwTxCnt = true;
3010 }
3011 if (bCheckFwTxCnt) {
3012 if (HalTxCheckStuck819xUsb(dev)) {
3013 RT_TRACE(COMP_RESET,
3014 "%s: Fw indicates no Tx condition!\n",
3015 __func__);
3016 return RESET_TYPE_SILENT;
3017 }
3018 }
3019 return RESET_TYPE_NORESET;
3020}
3021
3022static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3023{
3024 u16 RegRxCounter;
3025 struct r8192_priv *priv = ieee80211_priv(dev);
3026 bool bStuck = false;
3027 static u8 rx_chk_cnt;
3028
3029 read_nic_word(dev, 0x130, &RegRxCounter);
3030 RT_TRACE(COMP_RESET,
3031 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3032 RegRxCounter, priv->RxCounter);
3033
3034
3035
3036 rx_chk_cnt++;
3037 if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
3038 rx_chk_cnt = 0;
3039 } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
3040 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
3041 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
3042 if (rx_chk_cnt < 2)
3043 return bStuck;
3044
3045 rx_chk_cnt = 0;
3046 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
3047 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
3048 priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
3049 if (rx_chk_cnt < 4)
3050 return bStuck;
3051
3052 rx_chk_cnt = 0;
3053 } else {
3054 if (rx_chk_cnt < 8)
3055 return bStuck;
3056
3057 rx_chk_cnt = 0;
3058 }
3059
3060 if (priv->RxCounter == RegRxCounter)
3061 bStuck = true;
3062
3063 priv->RxCounter = RegRxCounter;
3064
3065 return bStuck;
3066}
3067
3068static RESET_TYPE RxCheckStuck(struct net_device *dev)
3069{
3070 struct r8192_priv *priv = ieee80211_priv(dev);
3071 bool bRxCheck = false;
3072
3073 if (priv->IrpPendingCount > 1)
3074 bRxCheck = true;
3075
3076 if (bRxCheck) {
3077 if (HalRxCheckStuck819xUsb(dev)) {
3078 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3079 return RESET_TYPE_SILENT;
3080 }
3081 }
3082 return RESET_TYPE_NORESET;
3083}
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3100{
3101 struct r8192_priv *priv = ieee80211_priv(dev);
3102 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3103 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3104 RT_RF_POWER_STATE rfState;
3105
3106 rfState = priv->ieee80211->eRFPowerState;
3107
3108 TxResetType = TxCheckStuck(dev);
3109 if (rfState != eRfOff ||
3110 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123 RxResetType = RxCheckStuck(dev);
3124 }
3125 if (TxResetType == RESET_TYPE_NORMAL ||
3126 RxResetType == RESET_TYPE_NORMAL) {
3127 return RESET_TYPE_NORMAL;
3128 } else if (TxResetType == RESET_TYPE_SILENT ||
3129 RxResetType == RESET_TYPE_SILENT) {
3130 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3131 return RESET_TYPE_SILENT;
3132 } else {
3133 return RESET_TYPE_NORESET;
3134 }
3135}
3136
3137static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3138static int _rtl8192_up(struct net_device *dev);
3139static int rtl8192_close(struct net_device *dev);
3140
3141
3142
3143static void CamRestoreAllEntry(struct net_device *dev)
3144{
3145 u8 EntryId = 0;
3146 struct r8192_priv *priv = ieee80211_priv(dev);
3147 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3148
3149 static u8 CAM_CONST_ADDR[4][6] = {
3150 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3151 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3152 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3153 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3154 static u8 CAM_CONST_BROAD[] = {
3155 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3156
3157 RT_TRACE(COMP_SEC, "%s:\n", __func__);
3158
3159
3160 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3161 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3162 for (EntryId = 0; EntryId < 4; EntryId++) {
3163 MacAddr = CAM_CONST_ADDR[EntryId];
3164 setKey(dev, EntryId, EntryId,
3165 priv->ieee80211->pairwise_key_type,
3166 MacAddr, 0, NULL);
3167 }
3168
3169 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3170 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3171 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3172 (u8 *)dev->dev_addr, 0, NULL);
3173 else
3174 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3175 MacAddr, 0, NULL);
3176 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3177 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3178 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3179 (u8 *)dev->dev_addr, 0, NULL);
3180 else
3181 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3182 MacAddr, 0, NULL);
3183 }
3184
3185
3186
3187 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3188 MacAddr = CAM_CONST_BROAD;
3189 for (EntryId = 1; EntryId < 4; EntryId++) {
3190 setKey(dev, EntryId, EntryId,
3191 priv->ieee80211->group_key_type,
3192 MacAddr, 0, NULL);
3193 }
3194 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3195 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3196 CAM_CONST_ADDR[0], 0, NULL);
3197 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3198 MacAddr = CAM_CONST_BROAD;
3199 for (EntryId = 1; EntryId < 4; EntryId++) {
3200 setKey(dev, EntryId, EntryId,
3201 priv->ieee80211->group_key_type,
3202 MacAddr, 0, NULL);
3203 }
3204
3205 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3206 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3207 CAM_CONST_ADDR[0], 0, NULL);
3208 }
3209}
3210
3211
3212
3213
3214
3215
3216static void rtl819x_ifsilentreset(struct net_device *dev)
3217{
3218 struct r8192_priv *priv = ieee80211_priv(dev);
3219 u8 reset_times = 0;
3220 int reset_status = 0;
3221 struct ieee80211_device *ieee = priv->ieee80211;
3222
3223
3224
3225
3226
3227 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3228RESET_START:
3229
3230 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3231
3232
3233 priv->ResetProgress = RESET_TYPE_SILENT;
3234 mutex_lock(&priv->wx_mutex);
3235 if (priv->up == 0) {
3236 RT_TRACE(COMP_ERR,
3237 "%s():the driver is not up! return\n",
3238 __func__);
3239 mutex_unlock(&priv->wx_mutex);
3240 return;
3241 }
3242 priv->up = 0;
3243 RT_TRACE(COMP_RESET,
3244 "%s():======>start to down the driver\n",
3245 __func__);
3246
3247 rtl8192_rtx_disable(dev);
3248 rtl8192_cancel_deferred_work(priv);
3249 deinit_hal_dm(dev);
3250 del_timer_sync(&priv->watch_dog_timer);
3251
3252 ieee->sync_scan_hurryup = 1;
3253 if (ieee->state == IEEE80211_LINKED) {
3254 mutex_lock(&ieee->wx_mutex);
3255 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3256 ieee80211_stop_send_beacons(priv->ieee80211);
3257 del_timer_sync(&ieee->associate_timer);
3258 cancel_delayed_work(&ieee->associate_retry_wq);
3259 ieee80211_stop_scan(ieee);
3260 netif_carrier_off(dev);
3261 mutex_unlock(&ieee->wx_mutex);
3262 } else {
3263 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3264 ieee80211_softmac_stop_protocol(priv->ieee80211);
3265 }
3266 mutex_unlock(&priv->wx_mutex);
3267 RT_TRACE(COMP_RESET,
3268 "%s():<==========down process is finished\n",
3269 __func__);
3270 RT_TRACE(COMP_RESET,
3271 "%s():===========>start up the driver\n",
3272 __func__);
3273 reset_status = _rtl8192_up(dev);
3274
3275 RT_TRACE(COMP_RESET,
3276 "%s():<===========up process is finished\n",
3277 __func__);
3278 if (reset_status == -EAGAIN) {
3279 if (reset_times < 3) {
3280 reset_times++;
3281 goto RESET_START;
3282 } else {
3283 RT_TRACE(COMP_ERR,
3284 " ERR!!! %s(): Reset Failed!!\n",
3285 __func__);
3286 }
3287 }
3288 ieee->is_silent_reset = 1;
3289 EnableHWSecurityConfig8192(dev);
3290 if (ieee->state == IEEE80211_LINKED &&
3291 ieee->iw_mode == IW_MODE_INFRA) {
3292 ieee->set_chan(ieee->dev,
3293 ieee->current_network.channel);
3294
3295 queue_work(ieee->wq, &ieee->associate_complete_wq);
3296
3297 } else if (ieee->state == IEEE80211_LINKED &&
3298 ieee->iw_mode == IW_MODE_ADHOC) {
3299 ieee->set_chan(ieee->dev,
3300 ieee->current_network.channel);
3301 ieee->link_change(ieee->dev);
3302
3303 ieee80211_start_send_beacons(ieee);
3304
3305 if (ieee->data_hard_resume)
3306 ieee->data_hard_resume(ieee->dev);
3307 netif_carrier_on(ieee->dev);
3308 }
3309
3310 CamRestoreAllEntry(dev);
3311
3312 priv->ResetProgress = RESET_TYPE_NORESET;
3313 priv->reset_count++;
3314
3315 priv->bForcedSilentReset = false;
3316 priv->bResetInProgress = false;
3317
3318
3319 write_nic_byte(dev, UFWP, 1);
3320 RT_TRACE(COMP_RESET,
3321 "Reset finished!! ====>[%d]\n",
3322 priv->reset_count);
3323 }
3324}
3325
3326static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3327 u32 *TotalRxDataNum)
3328{
3329 u16 SlotIndex;
3330 u8 i;
3331
3332 *TotalRxBcnNum = 0;
3333 *TotalRxDataNum = 0;
3334
3335 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3336 (priv->ieee80211->LinkDetectInfo.SlotNum);
3337 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3338 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3339 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3340 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3341 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3342 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3343 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3344 }
3345}
3346
3347
3348static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3349{
3350 struct delayed_work *dwork = to_delayed_work(work);
3351 struct r8192_priv *priv = container_of(dwork,
3352 struct r8192_priv, watch_dog_wq);
3353 struct net_device *dev = priv->ieee80211->dev;
3354 struct ieee80211_device *ieee = priv->ieee80211;
3355 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3356 static u8 check_reset_cnt;
3357 bool bBusyTraffic = false;
3358 u32 TotalRxBcnNum = 0;
3359 u32 TotalRxDataNum = 0;
3360
3361 if (!priv->up)
3362 return;
3363 hal_dm_watchdog(dev);
3364
3365
3366 if (ieee->state == IEEE80211_LINKED) {
3367 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3368 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3369 bBusyTraffic = true;
3370 }
3371 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3372 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3373 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3374 }
3375
3376 if (priv->ieee80211->state == IEEE80211_LINKED &&
3377 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3378 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3379 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3380#ifdef TODO
3381 if (rfState == eRfOff)
3382 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3383#endif
3384 netdev_dbg(dev,
3385 "===>%s(): AP is power off, connect another one\n",
3386 __func__);
3387 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3388 notify_wx_assoc_event(priv->ieee80211);
3389 RemovePeerTS(priv->ieee80211,
3390 priv->ieee80211->current_network.bssid);
3391 priv->ieee80211->link_change(dev);
3392 queue_work(priv->ieee80211->wq,
3393 &priv->ieee80211->associate_procedure_wq);
3394 }
3395 }
3396 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3397 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3398
3399 if (check_reset_cnt++ >= 3) {
3400 ResetType = rtl819x_ifcheck_resetornot(dev);
3401 check_reset_cnt = 3;
3402 }
3403
3404 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3405 (priv->bForcedSilentReset ||
3406 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3407 RT_TRACE(COMP_RESET,
3408 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3409 __func__, priv->force_reset, priv->ResetProgress,
3410 priv->bForcedSilentReset,
3411 priv->bDisableNormalResetCheck, ResetType);
3412 rtl819x_ifsilentreset(dev);
3413 }
3414 priv->force_reset = false;
3415 priv->bForcedSilentReset = false;
3416 priv->bResetInProgress = false;
3417 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3418}
3419
3420static void watch_dog_timer_callback(struct timer_list *t)
3421{
3422 struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3423
3424 schedule_delayed_work(&priv->watch_dog_wq, 0);
3425 mod_timer(&priv->watch_dog_timer,
3426 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3427}
3428
3429static int _rtl8192_up(struct net_device *dev)
3430{
3431 struct r8192_priv *priv = ieee80211_priv(dev);
3432 int init_status = 0;
3433
3434 priv->up = 1;
3435 priv->ieee80211->ieee_up = 1;
3436 RT_TRACE(COMP_INIT, "Bringing up iface");
3437 init_status = rtl8192_adapter_start(dev);
3438 if (!init_status) {
3439 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3440 __func__);
3441 priv->up = priv->ieee80211->ieee_up = 0;
3442 return -EAGAIN;
3443 }
3444 RT_TRACE(COMP_INIT, "start adapter finished\n");
3445 rtl8192_rx_enable(dev);
3446 if (priv->ieee80211->state != IEEE80211_LINKED)
3447 ieee80211_softmac_start_protocol(priv->ieee80211);
3448 ieee80211_reset_queue(priv->ieee80211);
3449 watch_dog_timer_callback(&priv->watch_dog_timer);
3450 if (!netif_queue_stopped(dev))
3451 netif_start_queue(dev);
3452 else
3453 netif_wake_queue(dev);
3454
3455 return 0;
3456}
3457
3458
3459static int rtl8192_open(struct net_device *dev)
3460{
3461 struct r8192_priv *priv = ieee80211_priv(dev);
3462 int ret;
3463
3464 mutex_lock(&priv->wx_mutex);
3465 ret = rtl8192_up(dev);
3466 mutex_unlock(&priv->wx_mutex);
3467 return ret;
3468}
3469
3470
3471int rtl8192_up(struct net_device *dev)
3472{
3473 struct r8192_priv *priv = ieee80211_priv(dev);
3474
3475 if (priv->up == 1)
3476 return -1;
3477
3478 return _rtl8192_up(dev);
3479}
3480
3481
3482static int rtl8192_close(struct net_device *dev)
3483{
3484 struct r8192_priv *priv = ieee80211_priv(dev);
3485 int ret;
3486
3487 mutex_lock(&priv->wx_mutex);
3488
3489 ret = rtl8192_down(dev);
3490
3491 mutex_unlock(&priv->wx_mutex);
3492
3493 return ret;
3494}
3495
3496int rtl8192_down(struct net_device *dev)
3497{
3498 struct r8192_priv *priv = ieee80211_priv(dev);
3499 int i;
3500
3501 if (priv->up == 0)
3502 return -1;
3503
3504 priv->up = 0;
3505 priv->ieee80211->ieee_up = 0;
3506 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3507
3508 if (!netif_queue_stopped(dev))
3509 netif_stop_queue(dev);
3510
3511 rtl8192_rtx_disable(dev);
3512
3513
3514 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3515 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3516 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3517 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3518
3519 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3520 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3521
3522
3523
3524
3525 rtl8192_cancel_deferred_work(priv);
3526 deinit_hal_dm(dev);
3527 del_timer_sync(&priv->watch_dog_timer);
3528
3529
3530 ieee80211_softmac_stop_protocol(priv->ieee80211);
3531 memset(&priv->ieee80211->current_network, 0,
3532 offsetof(struct ieee80211_network, list));
3533 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3534
3535 return 0;
3536}
3537
3538
3539void rtl8192_commit(struct net_device *dev)
3540{
3541 struct r8192_priv *priv = ieee80211_priv(dev);
3542 int reset_status = 0;
3543
3544 if (priv->up == 0)
3545 return;
3546 priv->up = 0;
3547
3548 rtl8192_cancel_deferred_work(priv);
3549 del_timer_sync(&priv->watch_dog_timer);
3550
3551 ieee80211_softmac_stop_protocol(priv->ieee80211);
3552
3553 rtl8192_rtx_disable(dev);
3554 reset_status = _rtl8192_up(dev);
3555}
3556
3557static void rtl8192_restart(struct work_struct *work)
3558{
3559 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3560 reset_wq);
3561 struct net_device *dev = priv->ieee80211->dev;
3562
3563 mutex_lock(&priv->wx_mutex);
3564
3565 rtl8192_commit(dev);
3566
3567 mutex_unlock(&priv->wx_mutex);
3568}
3569
3570static void r8192_set_multicast(struct net_device *dev)
3571{
3572 struct r8192_priv *priv = ieee80211_priv(dev);
3573 short promisc;
3574
3575
3576
3577 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3578
3579 if (promisc != priv->promisc)
3580
3581 priv->promisc = promisc;
3582}
3583
3584
3585static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3586{
3587 struct r8192_priv *priv = ieee80211_priv(dev);
3588 struct sockaddr *addr = mac;
3589
3590 mutex_lock(&priv->wx_mutex);
3591
3592 ether_addr_copy(dev->dev_addr, addr->sa_data);
3593
3594 schedule_work(&priv->reset_wq);
3595 mutex_unlock(&priv->wx_mutex);
3596
3597 return 0;
3598}
3599
3600
3601static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3602{
3603 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3604 struct iwreq *wrq = (struct iwreq *)rq;
3605 int ret = -1;
3606 struct ieee80211_device *ieee = priv->ieee80211;
3607 u32 key[4];
3608 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3609 struct iw_point *p = &wrq->u.data;
3610 struct ieee_param *ipw = NULL;
3611
3612 mutex_lock(&priv->wx_mutex);
3613
3614
3615 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3616 ret = -EINVAL;
3617 goto out;
3618 }
3619
3620 ipw = memdup_user(p->pointer, p->length);
3621 if (IS_ERR(ipw)) {
3622 ret = PTR_ERR(ipw);
3623 goto out;
3624 }
3625
3626 switch (cmd) {
3627 case RTL_IOCTL_WPA_SUPPLICANT:
3628
3629 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3630 if (ipw->u.crypt.set_tx) {
3631 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3632 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3633 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3634 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3635 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3636 if (ipw->u.crypt.key_len == 13)
3637 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3638 else if (ipw->u.crypt.key_len == 5)
3639 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3640 } else {
3641 ieee->pairwise_key_type = KEY_TYPE_NA;
3642 }
3643
3644 if (ieee->pairwise_key_type) {
3645 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3646 EnableHWSecurityConfig8192(dev);
3647
3648
3649
3650
3651
3652
3653 setKey(dev, 4, ipw->u.crypt.idx,
3654 ieee->pairwise_key_type,
3655 (u8 *)ieee->ap_mac_addr,
3656 0, key);
3657 if (ieee->auth_mode != 2)
3658 setKey(dev, ipw->u.crypt.idx,
3659 ipw->u.crypt.idx,
3660 ieee->pairwise_key_type,
3661 (u8 *)ieee->ap_mac_addr,
3662 0, key);
3663 }
3664 } else {
3665 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3666 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3667 ieee->group_key_type = KEY_TYPE_CCMP;
3668 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3669 ieee->group_key_type = KEY_TYPE_TKIP;
3670 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3671 if (ipw->u.crypt.key_len == 13)
3672 ieee->group_key_type = KEY_TYPE_WEP104;
3673 else if (ipw->u.crypt.key_len == 5)
3674 ieee->group_key_type = KEY_TYPE_WEP40;
3675 } else {
3676 ieee->group_key_type = KEY_TYPE_NA;
3677 }
3678
3679 if (ieee->group_key_type) {
3680 setKey(dev, ipw->u.crypt.idx,
3681
3682 ipw->u.crypt.idx,
3683
3684 ieee->group_key_type,
3685
3686 broadcast_addr,
3687
3688 0,
3689
3690 key);
3691 }
3692 }
3693 }
3694 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3695 &wrq->u.data);
3696 break;
3697
3698 default:
3699 ret = -EOPNOTSUPP;
3700 break;
3701 }
3702 kfree(ipw);
3703 ipw = NULL;
3704out:
3705 mutex_unlock(&priv->wx_mutex);
3706 return ret;
3707}
3708
3709static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3710{
3711 u8 ret_rate = 0xff;
3712
3713 if (!bIsHT) {
3714 switch (rate) {
3715 case DESC90_RATE1M:
3716 ret_rate = MGN_1M;
3717 break;
3718 case DESC90_RATE2M:
3719 ret_rate = MGN_2M;
3720 break;
3721 case DESC90_RATE5_5M:
3722 ret_rate = MGN_5_5M;
3723 break;
3724 case DESC90_RATE11M:
3725 ret_rate = MGN_11M;
3726 break;
3727 case DESC90_RATE6M:
3728 ret_rate = MGN_6M;
3729 break;
3730 case DESC90_RATE9M:
3731 ret_rate = MGN_9M;
3732 break;
3733 case DESC90_RATE12M:
3734 ret_rate = MGN_12M;
3735 break;
3736 case DESC90_RATE18M:
3737 ret_rate = MGN_18M;
3738 break;
3739 case DESC90_RATE24M:
3740 ret_rate = MGN_24M;
3741 break;
3742 case DESC90_RATE36M:
3743 ret_rate = MGN_36M;
3744 break;
3745 case DESC90_RATE48M:
3746 ret_rate = MGN_48M;
3747 break;
3748 case DESC90_RATE54M:
3749 ret_rate = MGN_54M;
3750 break;
3751
3752 default:
3753 ret_rate = 0xff;
3754 RT_TRACE(COMP_RECV,
3755 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3756 __func__, rate, bIsHT);
3757 break;
3758 }
3759
3760 } else {
3761 switch (rate) {
3762 case DESC90_RATEMCS0:
3763 ret_rate = MGN_MCS0;
3764 break;
3765 case DESC90_RATEMCS1:
3766 ret_rate = MGN_MCS1;
3767 break;
3768 case DESC90_RATEMCS2:
3769 ret_rate = MGN_MCS2;
3770 break;
3771 case DESC90_RATEMCS3:
3772 ret_rate = MGN_MCS3;
3773 break;
3774 case DESC90_RATEMCS4:
3775 ret_rate = MGN_MCS4;
3776 break;
3777 case DESC90_RATEMCS5:
3778 ret_rate = MGN_MCS5;
3779 break;
3780 case DESC90_RATEMCS6:
3781 ret_rate = MGN_MCS6;
3782 break;
3783 case DESC90_RATEMCS7:
3784 ret_rate = MGN_MCS7;
3785 break;
3786 case DESC90_RATEMCS8:
3787 ret_rate = MGN_MCS8;
3788 break;
3789 case DESC90_RATEMCS9:
3790 ret_rate = MGN_MCS9;
3791 break;
3792 case DESC90_RATEMCS10:
3793 ret_rate = MGN_MCS10;
3794 break;
3795 case DESC90_RATEMCS11:
3796 ret_rate = MGN_MCS11;
3797 break;
3798 case DESC90_RATEMCS12:
3799 ret_rate = MGN_MCS12;
3800 break;
3801 case DESC90_RATEMCS13:
3802 ret_rate = MGN_MCS13;
3803 break;
3804 case DESC90_RATEMCS14:
3805 ret_rate = MGN_MCS14;
3806 break;
3807 case DESC90_RATEMCS15:
3808 ret_rate = MGN_MCS15;
3809 break;
3810 case DESC90_RATEMCS32:
3811 ret_rate = 0x80 | 0x20;
3812 break;
3813
3814 default:
3815 ret_rate = 0xff;
3816 RT_TRACE(COMP_RECV,
3817 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3818 __func__, rate, bIsHT);
3819 break;
3820 }
3821 }
3822
3823 return ret_rate;
3824}
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3842 struct ieee80211_rx_stats *stats)
3843{
3844 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3845
3846 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3847 stats->mac_time[0] = priv->LastRxDescTSFLow;
3848 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3849 } else {
3850 priv->LastRxDescTSFLow = stats->mac_time[0];
3851 priv->LastRxDescTSFHigh = stats->mac_time[1];
3852 }
3853}
3854
3855
3856static long rtl819x_translate_todbm(u8 signal_strength_index)
3857{
3858 long signal_power;
3859
3860
3861 signal_power = (long)((signal_strength_index + 1) >> 1);
3862 signal_power -= 95;
3863
3864 return signal_power;
3865}
3866
3867
3868
3869
3870
3871
3872
3873static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3874 struct ieee80211_rx_stats *pprevious_stats,
3875 struct ieee80211_rx_stats *pcurrent_stats)
3876{
3877 bool bcheck = false;
3878 u8 rfpath;
3879 u32 nspatial_stream, tmp_val;
3880 static u32 slide_rssi_index, slide_rssi_statistics;
3881 static u32 slide_evm_index, slide_evm_statistics;
3882 static u32 last_rssi, last_evm;
3883
3884 static u32 slide_beacon_adc_pwdb_index;
3885 static u32 slide_beacon_adc_pwdb_statistics;
3886 static u32 last_beacon_adc_pwdb;
3887
3888 struct rtl_80211_hdr_3addr *hdr;
3889 u16 sc;
3890 unsigned int seq;
3891
3892 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3893 sc = le16_to_cpu(hdr->seq_ctl);
3894 seq = WLAN_GET_SEQ_SEQ(sc);
3895
3896 pcurrent_stats->Seq_Num = seq;
3897
3898
3899 if (!pprevious_stats->bIsAMPDU) {
3900
3901 bcheck = true;
3902 }
3903
3904 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3905 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3906 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3907 priv->stats.slide_rssi_total -= last_rssi;
3908 }
3909 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3910
3911 priv->stats.slide_signal_strength[slide_rssi_index++] =
3912 pprevious_stats->SignalStrength;
3913 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3914 slide_rssi_index = 0;
3915
3916
3917 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3918 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3919 pcurrent_stats->rssi = priv->stats.signal_strength;
3920
3921
3922 if (!pprevious_stats->bPacketMatchBSSID) {
3923 if (!pprevious_stats->bToSelfBA)
3924 return;
3925 }
3926
3927 if (!bcheck)
3928 return;
3929
3930
3931
3932
3933
3934
3935
3936 priv->stats.num_process_phyinfo++;
3937
3938
3939
3940
3941
3942
3943
3944 if (!pprevious_stats->bIsCCK &&
3945 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3946 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3947 if (!rtl8192_phy_CheckIsLegalRFPath(
3948 priv->ieee80211->dev, rfpath))
3949 continue;
3950
3951 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
3952 priv->stats.rx_rssi_percentage[rfpath] =
3953 pprevious_stats->RxMIMOSignalStrength[rfpath];
3954 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
3955 priv->stats.rx_rssi_percentage[rfpath] =
3956 ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
3957 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
3958 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3959 } else {
3960 priv->stats.rx_rssi_percentage[rfpath] =
3961 ((priv->stats.rx_rssi_percentage[rfpath] * (RX_SMOOTH_FACTOR - 1)) +
3962 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (RX_SMOOTH_FACTOR);
3963 }
3964 RT_TRACE(COMP_DBG,
3965 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
3966 priv->stats.rx_rssi_percentage[rfpath]);
3967 }
3968 }
3969
3970
3971
3972 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3973 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
3974 pprevious_stats->RxPWDBAll);
3975
3976 if (pprevious_stats->bPacketBeacon) {
3977
3978 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
3979 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3980 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3981 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3982 }
3983 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3984 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3985 slide_beacon_adc_pwdb_index++;
3986 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3987 slide_beacon_adc_pwdb_index = 0;
3988 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
3989 if (pprevious_stats->RxPWDBAll >= 3)
3990 pprevious_stats->RxPWDBAll -= 3;
3991 }
3992
3993 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3994 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
3995 pprevious_stats->RxPWDBAll);
3996
3997
3998 if (pprevious_stats->bPacketToSelf ||
3999 pprevious_stats->bPacketBeacon ||
4000 pprevious_stats->bToSelfBA) {
4001 if (priv->undecorated_smoothed_pwdb < 0)
4002
4003 priv->undecorated_smoothed_pwdb =
4004 pprevious_stats->RxPWDBAll;
4005 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4006 priv->undecorated_smoothed_pwdb =
4007 (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
4008 (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
4009 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4010 } else {
4011 priv->undecorated_smoothed_pwdb =
4012 (((priv->undecorated_smoothed_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
4013 (pprevious_stats->RxPWDBAll)) / (RX_SMOOTH_FACTOR);
4014 }
4015 }
4016
4017
4018
4019 if (pprevious_stats->SignalQuality) {
4020 if (pprevious_stats->bPacketToSelf ||
4021 pprevious_stats->bPacketBeacon ||
4022 pprevious_stats->bToSelfBA) {
4023 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4024 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4025 last_evm = priv->stats.slide_evm[slide_evm_index];
4026 priv->stats.slide_evm_total -= last_evm;
4027 }
4028
4029 priv->stats.slide_evm_total +=
4030 pprevious_stats->SignalQuality;
4031
4032 priv->stats.slide_evm[slide_evm_index++] =
4033 pprevious_stats->SignalQuality;
4034 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4035 slide_evm_index = 0;
4036
4037
4038 tmp_val = priv->stats.slide_evm_total /
4039 slide_evm_statistics;
4040 priv->stats.signal_quality = tmp_val;
4041
4042
4043
4044 priv->stats.last_signal_strength_inpercent = tmp_val;
4045 }
4046
4047
4048 if (pprevious_stats->bPacketToSelf ||
4049 pprevious_stats->bPacketBeacon ||
4050 pprevious_stats->bToSelfBA) {
4051 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) {
4052 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4053 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0)
4054 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4055 priv->stats.rx_evm_percentage[nspatial_stream] =
4056 ((priv->stats.rx_evm_percentage[nspatial_stream] * (RX_SMOOTH_FACTOR - 1)) +
4057 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (RX_SMOOTH_FACTOR);
4058 }
4059 }
4060 }
4061 }
4062}
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4077{
4078 if ((antpower <= -100) || (antpower >= 20))
4079 return 0;
4080 else if (antpower >= 0)
4081 return 100;
4082 else
4083 return 100 + antpower;
4084
4085}
4086
4087static u8 rtl819x_evm_dbtopercentage(s8 value)
4088{
4089 s8 ret_val;
4090
4091 ret_val = value;
4092
4093 if (ret_val >= 0)
4094 ret_val = 0;
4095 if (ret_val <= -33)
4096 ret_val = -33;
4097 ret_val = 0 - ret_val;
4098 ret_val *= 3;
4099 if (ret_val == 99)
4100 ret_val = 100;
4101 return ret_val;
4102}
4103
4104
4105static long rtl819x_signal_scale_mapping(long currsig)
4106{
4107 long retsig;
4108
4109
4110 if (currsig >= 61 && currsig <= 100)
4111 retsig = 90 + ((currsig - 60) / 4);
4112 else if (currsig >= 41 && currsig <= 60)
4113 retsig = 78 + ((currsig - 40) / 2);
4114 else if (currsig >= 31 && currsig <= 40)
4115 retsig = 66 + (currsig - 30);
4116 else if (currsig >= 21 && currsig <= 30)
4117 retsig = 54 + (currsig - 20);
4118 else if (currsig >= 5 && currsig <= 20)
4119 retsig = 42 + (((currsig - 5) * 2) / 3);
4120 else if (currsig == 4)
4121 retsig = 36;
4122 else if (currsig == 3)
4123 retsig = 27;
4124 else if (currsig == 2)
4125 retsig = 18;
4126 else if (currsig == 1)
4127 retsig = 9;
4128 else
4129 retsig = currsig;
4130
4131 return retsig;
4132}
4133
4134static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4135{
4136 if (pdrvinfo->RxHT)
4137 return false;
4138
4139 switch (pdrvinfo->RxRate) {
4140 case DESC90_RATE1M:
4141 case DESC90_RATE2M:
4142 case DESC90_RATE5_5M:
4143 case DESC90_RATE11M:
4144 return true;
4145 default:
4146 return false;
4147 }
4148}
4149
4150static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4151 struct ieee80211_rx_stats *pstats,
4152 struct rx_drvinfo_819x_usb *pdrvinfo,
4153 struct ieee80211_rx_stats *precord_stats,
4154 bool bpacket_match_bssid,
4155 bool bpacket_toself,
4156 bool bPacketBeacon,
4157 bool bToSelfBA)
4158{
4159 phy_sts_ofdm_819xusb_t *pofdm_buf;
4160 phy_sts_cck_819xusb_t *pcck_buf;
4161 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4162 u8 *prxpkt;
4163 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4164 s8 rx_pwr[4], rx_pwr_all = 0;
4165 s8 rx_snrX, rx_evmX;
4166 u8 evm, pwdb_all;
4167 u32 RSSI, total_rssi = 0;
4168 u8 is_cck_rate = 0;
4169 u8 rf_rx_num = 0;
4170 u8 sq;
4171
4172
4173 priv->stats.numqry_phystatus++;
4174
4175 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4176
4177
4178 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4179 pstats->bPacketMatchBSSID =
4180 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4181 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4182 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4183 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4184 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4185
4186 prxpkt = (u8 *)pdrvinfo;
4187
4188
4189 prxpkt += sizeof(struct rx_drvinfo_819x_usb);
4190
4191
4192 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4193 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4194
4195 pstats->RxMIMOSignalQuality[0] = -1;
4196 pstats->RxMIMOSignalQuality[1] = -1;
4197 precord_stats->RxMIMOSignalQuality[0] = -1;
4198 precord_stats->RxMIMOSignalQuality[1] = -1;
4199
4200 if (is_cck_rate) {
4201
4202
4203
4204
4205
4206 u8 report;
4207
4208 priv->stats.numqry_phystatusCCK++;
4209
4210 if (!priv->bCckHighPower) {
4211 report = pcck_buf->cck_agc_rpt & 0xc0;
4212 report >>= 6;
4213 switch (report) {
4214 case 0x3:
4215 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4216 break;
4217 case 0x2:
4218 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4219 break;
4220 case 0x1:
4221 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4222 break;
4223 case 0x0:
4224 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4225 break;
4226 }
4227 } else {
4228 report = pcck_buf->cck_agc_rpt & 0x60;
4229 report >>= 5;
4230 switch (report) {
4231 case 0x3:
4232 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4233 break;
4234 case 0x2:
4235 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4236 break;
4237 case 0x1:
4238 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4239 break;
4240 case 0x0:
4241 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4242 break;
4243 }
4244 }
4245
4246 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4247 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4248 pstats->RecvSignalPower = pwdb_all;
4249
4250
4251
4252 if (pstats->RxPWDBAll > 40) {
4253 sq = 100;
4254 } else {
4255 sq = pcck_buf->sq_rpt;
4256
4257 if (pcck_buf->sq_rpt > 64)
4258 sq = 0;
4259 else if (pcck_buf->sq_rpt < 20)
4260 sq = 100;
4261 else
4262 sq = ((64 - sq) * 100) / 44;
4263 }
4264 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4265 pstats->RxMIMOSignalQuality[0] =
4266 precord_stats->RxMIMOSignalQuality[0] = sq;
4267 pstats->RxMIMOSignalQuality[1] =
4268 precord_stats->RxMIMOSignalQuality[1] = -1;
4269
4270 } else {
4271 priv->stats.numqry_phystatusHT++;
4272
4273
4274 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4275
4276 if (priv->brfpath_rxenable[i])
4277 rf_rx_num++;
4278 else
4279 continue;
4280
4281 if (!rtl8192_phy_CheckIsLegalRFPath(
4282 priv->ieee80211->dev, i))
4283 continue;
4284
4285 rx_pwr[i] =
4286 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4287
4288
4289 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4290 rx_snrX = (s8)(tmp_rxsnr);
4291 rx_snrX /= 2;
4292 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4293
4294
4295 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4296 total_rssi += RSSI;
4297
4298
4299 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4300 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4301 }
4302
4303
4304
4305
4306
4307 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4308 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4309
4310 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4311 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4312
4313
4314 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4315 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4316
4317 max_spatial_stream = 2;
4318 else
4319
4320 max_spatial_stream = 1;
4321
4322 for (i = 0; i < max_spatial_stream; i++) {
4323 tmp_rxevm = pofdm_buf->rxevm_X[i];
4324 rx_evmX = (s8)(tmp_rxevm);
4325
4326
4327
4328
4329
4330
4331
4332
4333 rx_evmX /= 2;
4334
4335 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4336 if (i == 0)
4337
4338
4339
4340 pstats->SignalQuality =
4341 precord_stats->SignalQuality =
4342 evm & 0xff;
4343 pstats->RxMIMOSignalQuality[i] =
4344 precord_stats->RxMIMOSignalQuality[i] =
4345 evm & 0xff;
4346 }
4347
4348
4349
4350 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4351 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4352 &rxsc_sgien_exflg;
4353 if (pdrvinfo->BW)
4354 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4355 else
4356 priv->stats.received_bwtype[0]++;
4357 }
4358
4359
4360
4361
4362
4363 if (is_cck_rate) {
4364 pstats->SignalStrength =
4365 precord_stats->SignalStrength =
4366 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4367 } else {
4368
4369 if (rf_rx_num != 0) {
4370 pstats->SignalStrength =
4371 precord_stats->SignalStrength =
4372 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4373 }
4374 }
4375}
4376
4377static void rtl8192_record_rxdesc_forlateruse(
4378 struct ieee80211_rx_stats *psrc_stats,
4379 struct ieee80211_rx_stats *ptarget_stats)
4380{
4381 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4382 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4383 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4384}
4385
4386
4387static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4388 struct ieee80211_rx_stats *pstats,
4389 struct rx_drvinfo_819x_usb *pdrvinfo)
4390{
4391
4392
4393
4394 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4395 struct net_device *dev = info->dev;
4396 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4397 bool bpacket_match_bssid, bpacket_toself;
4398 bool bPacketBeacon = false, bToSelfBA = false;
4399 static struct ieee80211_rx_stats previous_stats;
4400 struct rtl_80211_hdr_3addr *hdr;
4401 u16 fc, type;
4402
4403
4404
4405 u8 *tmp_buf;
4406 u8 *praddr;
4407
4408
4409 tmp_buf = (u8 *)skb->data;
4410
4411 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4412 fc = le16_to_cpu(hdr->frame_ctl);
4413 type = WLAN_FC_GET_TYPE(fc);
4414 praddr = hdr->addr1;
4415
4416
4417 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4418 (ether_addr_equal(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4419 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4420 bpacket_toself = bpacket_match_bssid &
4421 (ether_addr_equal(praddr, priv->ieee80211->dev->dev_addr));
4422
4423 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4424 bPacketBeacon = true;
4425 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4426 if ((ether_addr_equal(praddr, dev->dev_addr)))
4427 bToSelfBA = true;
4428 }
4429
4430
4431
4432 if (bpacket_match_bssid)
4433 priv->stats.numpacket_matchbssid++;
4434 if (bpacket_toself)
4435 priv->stats.numpacket_toself++;
4436
4437
4438
4439
4440 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4441 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4442 bpacket_match_bssid, bpacket_toself,
4443 bPacketBeacon, bToSelfBA);
4444 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4445}
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461static void
4462UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4463 struct ieee80211_rx_stats *stats)
4464{
4465 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4466
4467 u32 rcvType = 1;
4468 u32 rateIndex;
4469
4470 u32 preamble_guardinterval;
4471
4472
4473 if (stats->bCRC)
4474 rcvType = 2;
4475 else if (stats->bICV)
4476 rcvType = 3;
4477
4478 if (stats->bShortPreamble)
4479 preamble_guardinterval = 1;
4480 else
4481 preamble_guardinterval = 0;
4482
4483 switch (stats->rate) {
4484
4485 case MGN_1M:
4486 rateIndex = 0;
4487 break;
4488 case MGN_2M:
4489 rateIndex = 1;
4490 break;
4491 case MGN_5_5M:
4492 rateIndex = 2;
4493 break;
4494 case MGN_11M:
4495 rateIndex = 3;
4496 break;
4497
4498 case MGN_6M:
4499 rateIndex = 4;
4500 break;
4501 case MGN_9M:
4502 rateIndex = 5;
4503 break;
4504 case MGN_12M:
4505 rateIndex = 6;
4506 break;
4507 case MGN_18M:
4508 rateIndex = 7;
4509 break;
4510 case MGN_24M:
4511 rateIndex = 8;
4512 break;
4513 case MGN_36M:
4514 rateIndex = 9;
4515 break;
4516 case MGN_48M:
4517 rateIndex = 10;
4518 break;
4519 case MGN_54M:
4520 rateIndex = 11;
4521 break;
4522
4523 case MGN_MCS0:
4524 rateIndex = 12;
4525 break;
4526 case MGN_MCS1:
4527 rateIndex = 13;
4528 break;
4529 case MGN_MCS2:
4530 rateIndex = 14;
4531 break;
4532 case MGN_MCS3:
4533 rateIndex = 15;
4534 break;
4535 case MGN_MCS4:
4536 rateIndex = 16;
4537 break;
4538 case MGN_MCS5:
4539 rateIndex = 17;
4540 break;
4541 case MGN_MCS6:
4542 rateIndex = 18;
4543 break;
4544 case MGN_MCS7:
4545 rateIndex = 19;
4546 break;
4547 case MGN_MCS8:
4548 rateIndex = 20;
4549 break;
4550 case MGN_MCS9:
4551 rateIndex = 21;
4552 break;
4553 case MGN_MCS10:
4554 rateIndex = 22;
4555 break;
4556 case MGN_MCS11:
4557 rateIndex = 23;
4558 break;
4559 case MGN_MCS12:
4560 rateIndex = 24;
4561 break;
4562 case MGN_MCS13:
4563 rateIndex = 25;
4564 break;
4565 case MGN_MCS14:
4566 rateIndex = 26;
4567 break;
4568 case MGN_MCS15:
4569 rateIndex = 27;
4570 break;
4571 default:
4572 rateIndex = 28;
4573 break;
4574 }
4575 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4576 priv->stats.received_rate_histogram[0][rateIndex]++;
4577 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4578}
4579
4580
4581static void query_rxdesc_status(struct sk_buff *skb,
4582 struct ieee80211_rx_stats *stats,
4583 bool bIsRxAggrSubframe)
4584{
4585 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4586 struct net_device *dev = info->dev;
4587 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4588 struct rx_drvinfo_819x_usb *driver_info = NULL;
4589
4590
4591 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4592
4593 stats->Length = desc->Length;
4594 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4595 stats->RxBufShift = 0;
4596 stats->bICV = desc->ICV;
4597 stats->bCRC = desc->CRC32;
4598 stats->bHwError = stats->bCRC | stats->bICV;
4599
4600 stats->Decrypted = !desc->SWDec;
4601
4602 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4603 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4604 stats->bHwError = false;
4605 else
4606 stats->bHwError = stats->bCRC | stats->bICV;
4607
4608 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4609 stats->bHwError |= 1;
4610
4611
4612
4613
4614 if (stats->RxDrvInfoSize != 0) {
4615 driver_info = (struct rx_drvinfo_819x_usb *)(
4616 skb->data
4617 + sizeof(struct rx_desc_819x_usb)
4618 + stats->RxBufShift
4619 );
4620
4621
4622 if (!stats->bHwError) {
4623 u8 ret_rate;
4624
4625 ret_rate = HwRateToMRate90(driver_info->RxHT,
4626 driver_info->RxRate);
4627 if (ret_rate == 0xff) {
4628
4629
4630
4631
4632
4633 stats->bHwError = 1;
4634
4635 stats->rate = MGN_1M;
4636 } else {
4637 stats->rate = ret_rate;
4638 }
4639 } else {
4640 stats->rate = 0x02;
4641 }
4642
4643 stats->bShortPreamble = driver_info->SPLCP;
4644
4645
4646 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4647
4648 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4649 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4650 (driver_info->FirstAGGR == 1);
4651 stats->TimeStampLow = driver_info->TSFL;
4652
4653 UpdateRxPktTimeStamp8190(dev, stats);
4654
4655
4656 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4657 RT_TRACE(COMP_RXDESC,
4658 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4659 driver_info->FirstAGGR, driver_info->PartAggr);
4660 }
4661
4662 skb_pull(skb, sizeof(struct rx_desc_819x_usb));
4663
4664 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4665 stats->bShift = 1;
4666 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4667 }
4668
4669 if (driver_info) {
4670 stats->RxIs40MHzPacket = driver_info->BW;
4671 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4672 }
4673}
4674
4675static void rtl8192_rx_nomal(struct sk_buff *skb)
4676{
4677 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4678 struct net_device *dev = info->dev;
4679 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4680 struct ieee80211_rx_stats stats = {
4681 .signal = 0,
4682 .noise = 0x100 - 98,
4683 .rate = 0,
4684 .freq = IEEE80211_24GHZ_BAND,
4685 };
4686 u32 rx_pkt_len = 0;
4687 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4688 bool unicast_packet = false;
4689
4690
4691 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4692
4693 query_rxdesc_status(skb, &stats, false);
4694
4695
4696
4697 skb_trim(skb, skb->len - 4);
4698
4699 rx_pkt_len = skb->len;
4700 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4701 unicast_packet = false;
4702 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4703
4704 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4705
4706 } else {
4707
4708 unicast_packet = true;
4709 }
4710
4711 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4712 dev_kfree_skb_any(skb);
4713 } else {
4714 priv->stats.rxoktotal++;
4715 if (unicast_packet)
4716 priv->stats.rxbytesunicast += rx_pkt_len;
4717 }
4718 } else {
4719 priv->stats.rxurberr++;
4720 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4721 dev_kfree_skb_any(skb);
4722 }
4723}
4724
4725static void rtl819xusb_process_received_packet(
4726 struct net_device *dev,
4727 struct ieee80211_rx_stats *pstats)
4728{
4729 struct r8192_priv *priv = ieee80211_priv(dev);
4730
4731
4732 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4733#ifdef TODO
4734 if (!Adapter->bInHctTest)
4735 CountRxErrStatistics(Adapter, pRfd);
4736#endif
4737#ifdef ENABLE_PS
4738 RT_RF_POWER_STATE rtState;
4739
4740
4741
4742
4743 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4744 (u8 *)(&rtState));
4745 if (rtState == eRfOff)
4746 return;
4747#endif
4748 priv->stats.rxframgment++;
4749
4750#ifdef TODO
4751 RmMonitorSignalStrength(Adapter, pRfd);
4752#endif
4753
4754 if (rtl819xusb_rx_command_packet(dev, pstats))
4755 return;
4756
4757#ifdef SW_CRC_CHECK
4758 SwCrcCheck();
4759#endif
4760
4761
4762}
4763
4764static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4765 struct ieee80211_rx_stats *stats)
4766{
4767 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4768
4769
4770 stats->virtual_address = (u8 *)skb->data;
4771 stats->Length = desc->Length;
4772 stats->RxDrvInfoSize = 0;
4773 stats->RxBufShift = 0;
4774 stats->packetlength = stats->Length - scrclng;
4775 stats->fraglength = stats->packetlength;
4776 stats->fragoffset = 0;
4777 stats->ntotalfrag = 1;
4778}
4779
4780
4781static void rtl8192_rx_cmd(struct sk_buff *skb)
4782{
4783 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4784 struct net_device *dev = info->dev;
4785
4786 struct ieee80211_rx_stats stats = {
4787 .signal = 0,
4788 .noise = 0x100 - 98,
4789 .rate = 0,
4790 .freq = IEEE80211_24GHZ_BAND,
4791 };
4792
4793 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4794 query_rx_cmdpkt_desc_status(skb, &stats);
4795
4796
4797
4798
4799 rtl819xusb_process_received_packet(dev, &stats);
4800
4801 dev_kfree_skb_any(skb);
4802 }
4803}
4804
4805static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4806{
4807 struct sk_buff *skb;
4808 struct rtl8192_rx_info *info;
4809
4810 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4811 info = (struct rtl8192_rx_info *)skb->cb;
4812 switch (info->out_pipe) {
4813
4814 case 3:
4815 priv->IrpPendingCount--;
4816 rtl8192_rx_nomal(skb);
4817 break;
4818
4819
4820 case 9:
4821 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4822 info->out_pipe);
4823
4824 rtl8192_rx_cmd(skb);
4825 break;
4826
4827 default:
4828 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4829 info->out_pipe);
4830 dev_kfree_skb(skb);
4831 break;
4832 }
4833 }
4834}
4835
4836static const struct net_device_ops rtl8192_netdev_ops = {
4837 .ndo_open = rtl8192_open,
4838 .ndo_stop = rtl8192_close,
4839 .ndo_get_stats = rtl8192_stats,
4840 .ndo_tx_timeout = tx_timeout,
4841 .ndo_do_ioctl = rtl8192_ioctl,
4842 .ndo_set_rx_mode = r8192_set_multicast,
4843 .ndo_set_mac_address = r8192_set_mac_adr,
4844 .ndo_validate_addr = eth_validate_addr,
4845 .ndo_start_xmit = ieee80211_xmit,
4846};
4847
4848
4849
4850
4851
4852
4853static int rtl8192_usb_probe(struct usb_interface *intf,
4854 const struct usb_device_id *id)
4855{
4856 struct net_device *dev = NULL;
4857 struct r8192_priv *priv = NULL;
4858 struct usb_device *udev = interface_to_usbdev(intf);
4859 int ret;
4860
4861 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4862
4863 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4864 if (!dev)
4865 return -ENOMEM;
4866
4867 usb_set_intfdata(intf, dev);
4868 SET_NETDEV_DEV(dev, &intf->dev);
4869 priv = ieee80211_priv(dev);
4870 priv->ieee80211 = netdev_priv(dev);
4871 priv->udev = udev;
4872
4873 dev->netdev_ops = &rtl8192_netdev_ops;
4874
4875 dev->wireless_handlers = &r8192_wx_handlers_def;
4876
4877 dev->type = ARPHRD_ETHER;
4878
4879 dev->watchdog_timeo = HZ * 3;
4880
4881 if (dev_alloc_name(dev, ifname) < 0) {
4882 RT_TRACE(COMP_INIT,
4883 "Oops: devname already taken! Trying wlan%%d...\n");
4884 ifname = "wlan%d";
4885 dev_alloc_name(dev, ifname);
4886 }
4887
4888 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4889 if (rtl8192_init(dev) != 0) {
4890 RT_TRACE(COMP_ERR, "Initialization failed");
4891 ret = -ENODEV;
4892 goto fail;
4893 }
4894 netif_carrier_off(dev);
4895 netif_stop_queue(dev);
4896
4897 ret = register_netdev(dev);
4898 if (ret)
4899 goto fail2;
4900
4901 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4902 rtl8192_proc_init_one(dev);
4903
4904
4905 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4906 return 0;
4907
4908fail2:
4909 rtl8192_down(dev);
4910fail:
4911 kfree(priv->pFirmware);
4912 priv->pFirmware = NULL;
4913 rtl8192_usb_deleteendpoints(dev);
4914 msleep(10);
4915 free_ieee80211(dev);
4916
4917 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4918 return ret;
4919}
4920
4921
4922
4923
4924static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4925{
4926 cancel_work_sync(&priv->reset_wq);
4927 cancel_delayed_work(&priv->watch_dog_wq);
4928 cancel_delayed_work(&priv->update_beacon_wq);
4929 cancel_work_sync(&priv->qos_activate);
4930}
4931
4932
4933static void rtl8192_usb_disconnect(struct usb_interface *intf)
4934{
4935 struct net_device *dev = usb_get_intfdata(intf);
4936 struct r8192_priv *priv = ieee80211_priv(dev);
4937
4938 unregister_netdev(dev);
4939
4940 RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
4941 rtl8192_proc_remove_one(dev);
4942
4943 rtl8192_down(dev);
4944 kfree(priv->pFirmware);
4945 priv->pFirmware = NULL;
4946 rtl8192_usb_deleteendpoints(dev);
4947 usleep_range(10000, 11000);
4948 free_ieee80211(dev);
4949
4950 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4951}
4952
4953static int __init rtl8192_usb_module_init(void)
4954{
4955 int ret;
4956
4957#ifdef CONFIG_IEEE80211_DEBUG
4958 ret = ieee80211_debug_init();
4959 if (ret) {
4960 pr_err("ieee80211_debug_init() failed %d\n", ret);
4961 return ret;
4962 }
4963#endif
4964 ret = ieee80211_crypto_init();
4965 if (ret) {
4966 pr_err("ieee80211_crypto_init() failed %d\n", ret);
4967 return ret;
4968 }
4969
4970 ret = ieee80211_crypto_tkip_init();
4971 if (ret) {
4972 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
4973 return ret;
4974 }
4975
4976 ret = ieee80211_crypto_ccmp_init();
4977 if (ret) {
4978 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
4979 return ret;
4980 }
4981
4982 ret = ieee80211_crypto_wep_init();
4983 if (ret) {
4984 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
4985 return ret;
4986 }
4987
4988 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
4989 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
4990 RT_TRACE(COMP_INIT, "Initializing module");
4991 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
4992 rtl8192_proc_module_init();
4993 return usb_register(&rtl8192_usb_driver);
4994}
4995
4996
4997static void __exit rtl8192_usb_module_exit(void)
4998{
4999 usb_deregister(&rtl8192_usb_driver);
5000
5001 RT_TRACE(COMP_DOWN, "Exiting");
5002}
5003
5004void EnableHWSecurityConfig8192(struct net_device *dev)
5005{
5006 u8 SECR_value = 0x0;
5007 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5008 struct ieee80211_device *ieee = priv->ieee80211;
5009
5010 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5011 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5012 SECR_value |= SCR_RxUseDK;
5013 SECR_value |= SCR_TxUseDK;
5014 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5015 SECR_value |= SCR_RxUseDK;
5016 SECR_value |= SCR_TxUseDK;
5017 }
5018
5019
5020
5021
5022
5023
5024
5025 ieee->hwsec_active = 1;
5026
5027
5028 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5029 ieee->hwsec_active = 0;
5030 SECR_value &= ~SCR_RxDecEnable;
5031 }
5032 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5033 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5034 SECR_value);
5035 write_nic_byte(dev, SECR, SECR_value);
5036}
5037
5038
5039void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5040 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5041{
5042 u32 TargetCommand = 0;
5043 u32 TargetContent = 0;
5044 u16 usConfig = 0;
5045 u8 i;
5046
5047 if (EntryNo >= TOTAL_CAM_ENTRY)
5048 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5049
5050 RT_TRACE(COMP_SEC,
5051 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5052 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5053
5054 if (DefaultKey)
5055 usConfig |= BIT(15) | (KeyType << 2);
5056 else
5057 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5058
5059
5060 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5061 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5062 TargetCommand |= BIT(31) | BIT(16);
5063
5064 if (i == 0) {
5065 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5066 (u32)(*(MacAddr + 1)) << 24 |
5067 (u32)usConfig;
5068
5069 write_nic_dword(dev, WCAMI, TargetContent);
5070 write_nic_dword(dev, RWCAM, TargetCommand);
5071 } else if (i == 1) {
5072 TargetContent = (u32)(*(MacAddr + 2)) |
5073 (u32)(*(MacAddr + 3)) << 8 |
5074 (u32)(*(MacAddr + 4)) << 16 |
5075 (u32)(*(MacAddr + 5)) << 24;
5076 write_nic_dword(dev, WCAMI, TargetContent);
5077 write_nic_dword(dev, RWCAM, TargetCommand);
5078 } else {
5079
5080 if (KeyContent) {
5081 write_nic_dword(dev, WCAMI,
5082 *(KeyContent + i - 2));
5083 write_nic_dword(dev, RWCAM, TargetCommand);
5084 }
5085 }
5086 }
5087}
5088
5089
5090
5091
5092module_init(rtl8192_usb_module_init);
5093module_exit(rtl8192_usb_module_exit);
5094
