1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8192U
4 *
5 * Based on the r8187 driver, which is:
6 * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 *
20 * The full GNU General Public License is included in this distribution in the
21 * file called LICENSE.
22 *
23 * Contact Information:
24 * Jerry chuang <wlanfae@realtek.com>
25 */
26
27 #ifndef CONFIG_FORCE_HARD_FLOAT
__floatsidf(int i)28 double __floatsidf(int i)
29 {
30 return i;
31 }
32
__fixunsdfsi(double d)33 unsigned int __fixunsdfsi(double d)
34 {
35 return d;
36 }
37
__adddf3(double a,double b)38 double __adddf3(double a, double b)
39 {
40 return a + b;
41 }
42
__addsf3(float a,float b)43 double __addsf3(float a, float b)
44 {
45 return a + b;
46 }
47
__subdf3(double a,double b)48 double __subdf3(double a, double b)
49 {
50 return a - b;
51 }
52
__extendsfdf2(float a)53 double __extendsfdf2(float a)
54 {
55 return a;
56 }
57 #endif
58
59 #define CONFIG_RTL8192_IO_MAP
60
61 #include <linux/uaccess.h>
62 #include "r8192U_hw.h"
63 #include "r8192U.h"
64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
65 #include "r8180_93cx6.h" /* Card EEPROM */
66 #include "r8192U_wx.h"
67 #include "r819xU_phy.h"
68 #include "r819xU_phyreg.h"
69 #include "r819xU_cmdpkt.h"
70 #include "r8192U_dm.h"
71 #include <linux/usb.h>
72 #include <linux/slab.h>
73 #include <linux/proc_fs.h>
74 #include <linux/seq_file.h>
75 /* FIXME: check if 2.6.7 is ok */
76
77 #include "dot11d.h"
78 /* set here to open your trace code. */
79 u32 rt_global_debug_component = COMP_DOWN |
80 COMP_SEC |
81 COMP_ERR; /* always open err flags on */
82
83 #define TOTAL_CAM_ENTRY 32
84 #define CAM_CONTENT_COUNT 8
85
86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
87 /* Realtek */
88 {USB_DEVICE(0x0bda, 0x8709)},
89 /* Corega */
90 {USB_DEVICE(0x07aa, 0x0043)},
91 /* Belkin */
92 {USB_DEVICE(0x050d, 0x805E)},
93 /* Sitecom */
94 {USB_DEVICE(0x0df6, 0x0031)},
95 /* EnGenius */
96 {USB_DEVICE(0x1740, 0x9201)},
97 /* Dlink */
98 {USB_DEVICE(0x2001, 0x3301)},
99 /* Zinwell */
100 {USB_DEVICE(0x5a57, 0x0290)},
101 /* LG */
102 {USB_DEVICE(0x043e, 0x7a01)},
103 {}
104 };
105
106 MODULE_LICENSE("GPL");
107 MODULE_VERSION("V 1.1");
108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
110
111 static char *ifname = "wlan%d";
112 static int hwwep = 1; /* default use hw. set 0 to use software security */
113 static int channels = 0x3fff;
114
115
116
117 module_param(ifname, charp, 0644);
118 module_param(hwwep, int, 0644);
119 module_param(channels, int, 0644);
120
121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
124
125 static int rtl8192_usb_probe(struct usb_interface *intf,
126 const struct usb_device_id *id);
127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
128
129
130 static struct usb_driver rtl8192_usb_driver = {
131 .name = RTL819xU_MODULE_NAME, /* Driver name */
132 .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
133 .probe = rtl8192_usb_probe, /* probe fn */
134 .disconnect = rtl8192_usb_disconnect, /* remove fn */
135 .suspend = NULL, /* PM suspend fn */
136 .resume = NULL, /* PM resume fn */
137 };
138
139
140 struct CHANNEL_LIST {
141 u8 Channel[32];
142 u8 Len;
143 };
144
145 static struct CHANNEL_LIST ChannelPlan[] = {
146 /* FCC */
147 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
148 /* IC */
149 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
150 /* ETSI */
151 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
152 /* Spain. Change to ETSI. */
153 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
154 /* France. Change to ETSI. */
155 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
156 /* MKK */
157 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
158 /* MKK1 */
159 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
160 /* Israel. */
161 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
162 /* For 11a , TELEC */
163 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
164 /* MIC */
165 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
166 /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
167 {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
168 };
169
rtl819x_set_channel_map(u8 channel_plan,struct r8192_priv * priv)170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
171 {
172 int i, max_chan = -1, min_chan = -1;
173 struct ieee80211_device *ieee = priv->ieee80211;
174
175 switch (channel_plan) {
176 case COUNTRY_CODE_FCC:
177 case COUNTRY_CODE_IC:
178 case COUNTRY_CODE_ETSI:
179 case COUNTRY_CODE_SPAIN:
180 case COUNTRY_CODE_FRANCE:
181 case COUNTRY_CODE_MKK:
182 case COUNTRY_CODE_MKK1:
183 case COUNTRY_CODE_ISRAEL:
184 case COUNTRY_CODE_TELEC:
185 case COUNTRY_CODE_MIC:
186 Dot11d_Init(ieee);
187 ieee->bGlobalDomain = false;
188 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
189 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
190 min_chan = 1;
191 max_chan = 14;
192 } else {
193 RT_TRACE(COMP_ERR,
194 "unknown rf chip, can't set channel map in function:%s()\n",
195 __func__);
196 }
197 if (ChannelPlan[channel_plan].Len != 0) {
198 /* Clear old channel map */
199 memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
200 sizeof(GET_DOT11D_INFO(ieee)->channel_map));
201 /* Set new channel map */
202 for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
203 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
204 break;
205 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
206 }
207 }
208 break;
209
210 case COUNTRY_CODE_GLOBAL_DOMAIN:
211 /* this flag enabled to follow 11d country IE setting,
212 * otherwise, it shall follow global domain settings.
213 */
214 GET_DOT11D_INFO(ieee)->enabled = 0;
215 Dot11d_Reset(ieee);
216 ieee->bGlobalDomain = true;
217 break;
218
219 default:
220 break;
221 }
222 }
223
224
225
226
CamResetAllEntry(struct net_device * dev)227 static void CamResetAllEntry(struct net_device *dev)
228 {
229 u32 ulcommand = 0;
230 /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
231 * associate to AP. However, ResetKey is called on
232 * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
233 * condition, Cam can not be reset because upper layer will not set
234 * this static key again.
235 */
236 ulcommand |= BIT(31) | BIT(30);
237 write_nic_dword(dev, RWCAM, ulcommand);
238 }
239
240
write_cam(struct net_device * dev,u8 addr,u32 data)241 void write_cam(struct net_device *dev, u8 addr, u32 data)
242 {
243 write_nic_dword(dev, WCAMI, data);
244 write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
245 }
246
read_cam(struct net_device * dev,u8 addr)247 u32 read_cam(struct net_device *dev, u8 addr)
248 {
249 u32 data;
250
251 write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
252 read_nic_dword(dev, 0xa8, &data);
253 return data;
254 }
255
write_nic_byte_E(struct net_device * dev,int indx,u8 data)256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
257 {
258 int status;
259 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
260 struct usb_device *udev = priv->udev;
261 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
262
263 if (!usbdata)
264 return -ENOMEM;
265 *usbdata = data;
266
267 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
268 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
269 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
270 kfree(usbdata);
271
272 if (status < 0) {
273 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
274 return status;
275 }
276 return 0;
277 }
278
read_nic_byte_E(struct net_device * dev,int indx,u8 * data)279 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
280 {
281 int status;
282 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
283 struct usb_device *udev = priv->udev;
284 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
285
286 if (!usbdata)
287 return -ENOMEM;
288
289 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
290 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
291 indx | 0xfe00, 0, usbdata, 1, HZ / 2);
292 *data = *usbdata;
293 kfree(usbdata);
294
295 if (status < 0) {
296 netdev_err(dev, "%s failure status: %d\n", __func__, status);
297 return status;
298 }
299
300 return 0;
301 }
302
303 /* as 92U has extend page from 4 to 16, so modify functions below. */
write_nic_byte(struct net_device * dev,int indx,u8 data)304 int write_nic_byte(struct net_device *dev, int indx, u8 data)
305 {
306 int status;
307
308 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
309 struct usb_device *udev = priv->udev;
310 u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
311
312 if (!usbdata)
313 return -ENOMEM;
314 *usbdata = data;
315
316 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
317 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
318 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
319 usbdata, 1, HZ / 2);
320 kfree(usbdata);
321
322 if (status < 0) {
323 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
324 return status;
325 }
326
327 return 0;
328 }
329
330
write_nic_word(struct net_device * dev,int indx,u16 data)331 int write_nic_word(struct net_device *dev, int indx, u16 data)
332 {
333 int status;
334
335 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
336 struct usb_device *udev = priv->udev;
337 u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
338
339 if (!usbdata)
340 return -ENOMEM;
341 *usbdata = data;
342
343 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
344 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
345 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
346 usbdata, 2, HZ / 2);
347 kfree(usbdata);
348
349 if (status < 0) {
350 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
351 return status;
352 }
353
354 return 0;
355 }
356
357
write_nic_dword(struct net_device * dev,int indx,u32 data)358 int write_nic_dword(struct net_device *dev, int indx, u32 data)
359 {
360 int status;
361
362 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
363 struct usb_device *udev = priv->udev;
364 u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
365
366 if (!usbdata)
367 return -ENOMEM;
368 *usbdata = data;
369
370 status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
371 RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
372 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
373 usbdata, 4, HZ / 2);
374 kfree(usbdata);
375
376
377 if (status < 0) {
378 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
379 return status;
380 }
381
382 return 0;
383 }
384
385
386
read_nic_byte(struct net_device * dev,int indx,u8 * data)387 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
388 {
389 int status;
390 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
391 struct usb_device *udev = priv->udev;
392 u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
393
394 if (!usbdata)
395 return -ENOMEM;
396
397 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
398 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
399 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
400 usbdata, 1, HZ / 2);
401 *data = *usbdata;
402 kfree(usbdata);
403
404 if (status < 0) {
405 netdev_err(dev, "%s failure status: %d\n", __func__, status);
406 return status;
407 }
408
409 return 0;
410 }
411
412
413
read_nic_word(struct net_device * dev,int indx,u16 * data)414 int read_nic_word(struct net_device *dev, int indx, u16 *data)
415 {
416 int status;
417 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
418 struct usb_device *udev = priv->udev;
419 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
420
421 if (!usbdata)
422 return -ENOMEM;
423
424 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
425 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
426 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
427 usbdata, 2, HZ / 2);
428 *data = *usbdata;
429 kfree(usbdata);
430
431 if (status < 0) {
432 netdev_err(dev, "%s failure status: %d\n", __func__, status);
433 return status;
434 }
435
436 return 0;
437 }
438
read_nic_word_E(struct net_device * dev,int indx,u16 * data)439 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
440 {
441 int status;
442 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
443 struct usb_device *udev = priv->udev;
444 u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
445
446 if (!usbdata)
447 return -ENOMEM;
448
449 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
450 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
451 indx | 0xfe00, 0, usbdata, 2, HZ / 2);
452 *data = *usbdata;
453 kfree(usbdata);
454
455 if (status < 0) {
456 netdev_err(dev, "%s failure status: %d\n", __func__, status);
457 return status;
458 }
459
460 return 0;
461 }
462
read_nic_dword(struct net_device * dev,int indx,u32 * data)463 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
464 {
465 int status;
466
467 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
468 struct usb_device *udev = priv->udev;
469 u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
470
471 if (!usbdata)
472 return -ENOMEM;
473
474 status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
475 RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
476 (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
477 usbdata, 4, HZ / 2);
478 *data = *usbdata;
479 kfree(usbdata);
480
481 if (status < 0) {
482 netdev_err(dev, "%s failure status: %d\n", __func__, status);
483 return status;
484 }
485
486 return 0;
487 }
488
489 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
490 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
491 /* this might still called in what was the PHY rtl8185/rtl8192 common code
492 * plans are to possibility turn it again in one common code...
493 */
force_pci_posting(struct net_device * dev)494 inline void force_pci_posting(struct net_device *dev)
495 {
496 }
497
498 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
499 static void rtl8192_restart(struct work_struct *work);
500 static void watch_dog_timer_callback(struct timer_list *t);
501
502 /****************************************************************************
503 * -----------------------------PROCFS STUFF-------------------------
504 ****************************************************************************/
505
506 static struct proc_dir_entry *rtl8192_proc;
507
proc_get_stats_ap(struct seq_file * m,void * v)508 static int __maybe_unused proc_get_stats_ap(struct seq_file *m, void *v)
509 {
510 struct net_device *dev = m->private;
511 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
512 struct ieee80211_device *ieee = priv->ieee80211;
513 struct ieee80211_network *target;
514
515 list_for_each_entry(target, &ieee->network_list, list) {
516 const char *wpa = "non_WPA";
517
518 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
519 wpa = "WPA";
520
521 seq_printf(m, "%s %s\n", target->ssid, wpa);
522 }
523
524 return 0;
525 }
526
proc_get_registers(struct seq_file * m,void * v)527 static int __maybe_unused proc_get_registers(struct seq_file *m, void *v)
528 {
529 struct net_device *dev = m->private;
530 int i, n, max = 0xff;
531 u8 byte_rd;
532
533 seq_puts(m, "\n####################page 0##################\n ");
534
535 for (n = 0; n <= max;) {
536 seq_printf(m, "\nD: %2x > ", n);
537
538 for (i = 0; i < 16 && n <= max; i++, n++) {
539 read_nic_byte(dev, 0x000 | n, &byte_rd);
540 seq_printf(m, "%2x ", byte_rd);
541 }
542 }
543
544 seq_puts(m, "\n####################page 1##################\n ");
545 for (n = 0; n <= max;) {
546 seq_printf(m, "\nD: %2x > ", n);
547
548 for (i = 0; i < 16 && n <= max; i++, n++) {
549 read_nic_byte(dev, 0x100 | n, &byte_rd);
550 seq_printf(m, "%2x ", byte_rd);
551 }
552 }
553
554 seq_puts(m, "\n####################page 3##################\n ");
555 for (n = 0; n <= max;) {
556 seq_printf(m, "\nD: %2x > ", n);
557
558 for (i = 0; i < 16 && n <= max; i++, n++) {
559 read_nic_byte(dev, 0x300 | n, &byte_rd);
560 seq_printf(m, "%2x ", byte_rd);
561 }
562 }
563
564 seq_putc(m, '\n');
565 return 0;
566 }
567
proc_get_stats_tx(struct seq_file * m,void * v)568 static int __maybe_unused proc_get_stats_tx(struct seq_file *m, void *v)
569 {
570 struct net_device *dev = m->private;
571 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
572
573 seq_printf(m,
574 "TX VI priority ok int: %lu\n"
575 "TX VI priority error int: %lu\n"
576 "TX VO priority ok int: %lu\n"
577 "TX VO priority error int: %lu\n"
578 "TX BE priority ok int: %lu\n"
579 "TX BE priority error int: %lu\n"
580 "TX BK priority ok int: %lu\n"
581 "TX BK priority error int: %lu\n"
582 "TX MANAGE priority ok int: %lu\n"
583 "TX MANAGE priority error int: %lu\n"
584 "TX BEACON priority ok int: %lu\n"
585 "TX BEACON priority error int: %lu\n"
586 "TX queue resume: %lu\n"
587 "TX queue stopped?: %d\n"
588 "TX fifo overflow: %lu\n"
589 "TX VI queue: %d\n"
590 "TX VO queue: %d\n"
591 "TX BE queue: %d\n"
592 "TX BK queue: %d\n"
593 "TX VI dropped: %lu\n"
594 "TX VO dropped: %lu\n"
595 "TX BE dropped: %lu\n"
596 "TX BK dropped: %lu\n"
597 "TX total data packets %lu\n",
598 priv->stats.txviokint,
599 priv->stats.txvierr,
600 priv->stats.txvookint,
601 priv->stats.txvoerr,
602 priv->stats.txbeokint,
603 priv->stats.txbeerr,
604 priv->stats.txbkokint,
605 priv->stats.txbkerr,
606 priv->stats.txmanageokint,
607 priv->stats.txmanageerr,
608 priv->stats.txbeaconokint,
609 priv->stats.txbeaconerr,
610 priv->stats.txresumed,
611 netif_queue_stopped(dev),
612 priv->stats.txoverflow,
613 atomic_read(&(priv->tx_pending[VI_PRIORITY])),
614 atomic_read(&(priv->tx_pending[VO_PRIORITY])),
615 atomic_read(&(priv->tx_pending[BE_PRIORITY])),
616 atomic_read(&(priv->tx_pending[BK_PRIORITY])),
617 priv->stats.txvidrop,
618 priv->stats.txvodrop,
619 priv->stats.txbedrop,
620 priv->stats.txbkdrop,
621 priv->stats.txdatapkt
622 );
623
624 return 0;
625 }
626
proc_get_stats_rx(struct seq_file * m,void * v)627 static int __maybe_unused proc_get_stats_rx(struct seq_file *m, void *v)
628 {
629 struct net_device *dev = m->private;
630 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
631
632 seq_printf(m,
633 "RX packets: %lu\n"
634 "RX urb status error: %lu\n"
635 "RX invalid urb error: %lu\n",
636 priv->stats.rxoktotal,
637 priv->stats.rxstaterr,
638 priv->stats.rxurberr);
639
640 return 0;
641 }
642
rtl8192_proc_module_init(void)643 static void rtl8192_proc_module_init(void)
644 {
645 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
646 rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
647 }
648
rtl8192_proc_init_one(struct net_device * dev)649 static void rtl8192_proc_init_one(struct net_device *dev)
650 {
651 struct proc_dir_entry *dir;
652
653 if (!rtl8192_proc)
654 return;
655
656 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
657 if (!dir)
658 return;
659
660 proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir,
661 proc_get_stats_rx);
662 proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir,
663 proc_get_stats_tx);
664 proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir,
665 proc_get_stats_ap);
666 proc_create_single("registers", S_IFREG | S_IRUGO, dir,
667 proc_get_registers);
668 }
669
rtl8192_proc_remove_one(struct net_device * dev)670 static void rtl8192_proc_remove_one(struct net_device *dev)
671 {
672 remove_proc_subtree(dev->name, rtl8192_proc);
673 }
674
675 /****************************************************************************
676 * -----------------------------MISC STUFF-------------------------
677 *****************************************************************************/
678
check_nic_enough_desc(struct net_device * dev,int queue_index)679 short check_nic_enough_desc(struct net_device *dev, int queue_index)
680 {
681 struct r8192_priv *priv = ieee80211_priv(dev);
682 int used = atomic_read(&priv->tx_pending[queue_index]);
683
684 return (used < MAX_TX_URB);
685 }
686
tx_timeout(struct net_device * dev)687 static void tx_timeout(struct net_device *dev)
688 {
689 struct r8192_priv *priv = ieee80211_priv(dev);
690
691 schedule_work(&priv->reset_wq);
692 }
693
rtl8192_update_msr(struct net_device * dev)694 void rtl8192_update_msr(struct net_device *dev)
695 {
696 struct r8192_priv *priv = ieee80211_priv(dev);
697 u8 msr;
698
699 read_nic_byte(dev, MSR, &msr);
700 msr &= ~MSR_LINK_MASK;
701
702 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
703 * msr must be updated if the state is ASSOCIATING.
704 * this is intentional and make sense for ad-hoc and
705 * master (see the create BSS/IBSS func)
706 */
707 if (priv->ieee80211->state == IEEE80211_LINKED) {
708 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
709 msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
710 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
711 msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
712 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
713 msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
714
715 } else {
716 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
717 }
718
719 write_nic_byte(dev, MSR, msr);
720 }
721
rtl8192_set_chan(struct net_device * dev,short ch)722 void rtl8192_set_chan(struct net_device *dev, short ch)
723 {
724 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
725
726 RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
727 priv->chan = ch;
728
729 /* this hack should avoid frame TX during channel setting*/
730
731 /* need to implement rf set channel here */
732
733 if (priv->rf_set_chan)
734 priv->rf_set_chan(dev, priv->chan);
735 mdelay(10);
736 }
737
738 static void rtl8192_rx_isr(struct urb *urb);
739
get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats * pstats)740 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
741 {
742 return (sizeof(struct rx_desc_819x_usb) + pstats->RxDrvInfoSize
743 + pstats->RxBufShift);
744 }
745
rtl8192_rx_initiate(struct net_device * dev)746 static int rtl8192_rx_initiate(struct net_device *dev)
747 {
748 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
749 struct urb *entry;
750 struct sk_buff *skb;
751 struct rtl8192_rx_info *info;
752
753 /* nomal packet rx procedure */
754 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
755 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
756 if (!skb)
757 break;
758 entry = usb_alloc_urb(0, GFP_KERNEL);
759 if (!entry) {
760 kfree_skb(skb);
761 break;
762 }
763 usb_fill_bulk_urb(entry, priv->udev,
764 usb_rcvbulkpipe(priv->udev, 3),
765 skb_tail_pointer(skb),
766 RX_URB_SIZE, rtl8192_rx_isr, skb);
767 info = (struct rtl8192_rx_info *)skb->cb;
768 info->urb = entry;
769 info->dev = dev;
770 info->out_pipe = 3; /* denote rx normal packet queue */
771 skb_queue_tail(&priv->rx_queue, skb);
772 usb_submit_urb(entry, GFP_KERNEL);
773 }
774
775 /* command packet rx procedure */
776 while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
777 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
778 if (!skb)
779 break;
780 entry = usb_alloc_urb(0, GFP_KERNEL);
781 if (!entry) {
782 kfree_skb(skb);
783 break;
784 }
785 usb_fill_bulk_urb(entry, priv->udev,
786 usb_rcvbulkpipe(priv->udev, 9),
787 skb_tail_pointer(skb),
788 RX_URB_SIZE, rtl8192_rx_isr, skb);
789 info = (struct rtl8192_rx_info *)skb->cb;
790 info->urb = entry;
791 info->dev = dev;
792 info->out_pipe = 9; /* denote rx cmd packet queue */
793 skb_queue_tail(&priv->rx_queue, skb);
794 usb_submit_urb(entry, GFP_KERNEL);
795 }
796
797 return 0;
798 }
799
rtl8192_set_rxconf(struct net_device * dev)800 void rtl8192_set_rxconf(struct net_device *dev)
801 {
802 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
803 u32 rxconf;
804
805 read_nic_dword(dev, RCR, &rxconf);
806 rxconf = rxconf & ~MAC_FILTER_MASK;
807 rxconf = rxconf | RCR_AMF;
808 rxconf = rxconf | RCR_ADF;
809 rxconf = rxconf | RCR_AB;
810 rxconf = rxconf | RCR_AM;
811
812 if (dev->flags & IFF_PROMISC)
813 DMESG("NIC in promisc mode");
814
815 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
816 dev->flags & IFF_PROMISC) {
817 rxconf = rxconf | RCR_AAP;
818 } else {
819 rxconf = rxconf | RCR_APM;
820 rxconf = rxconf | RCR_CBSSID;
821 }
822
823
824 if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
825 rxconf = rxconf | RCR_AICV;
826 rxconf = rxconf | RCR_APWRMGT;
827 }
828
829 if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
830 rxconf = rxconf | RCR_ACRC32;
831
832
833 rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
834 rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
835 rxconf = rxconf & ~MAX_RX_DMA_MASK;
836 rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
837
838 rxconf = rxconf | RCR_ONLYERLPKT;
839
840 write_nic_dword(dev, RCR, rxconf);
841 }
842
843 /* wait to be removed */
rtl8192_rx_enable(struct net_device * dev)844 void rtl8192_rx_enable(struct net_device *dev)
845 {
846 rtl8192_rx_initiate(dev);
847 }
848
849
rtl8192_tx_enable(struct net_device * dev)850 void rtl8192_tx_enable(struct net_device *dev)
851 {
852 }
853
854
855
rtl8192_rtx_disable(struct net_device * dev)856 void rtl8192_rtx_disable(struct net_device *dev)
857 {
858 u8 cmd;
859 struct r8192_priv *priv = ieee80211_priv(dev);
860 struct sk_buff *skb;
861 struct rtl8192_rx_info *info;
862
863 read_nic_byte(dev, CMDR, &cmd);
864 write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
865 force_pci_posting(dev);
866 mdelay(10);
867
868 while ((skb = __skb_dequeue(&priv->rx_queue))) {
869 info = (struct rtl8192_rx_info *)skb->cb;
870 if (!info->urb)
871 continue;
872
873 usb_kill_urb(info->urb);
874 kfree_skb(skb);
875 }
876
877 if (skb_queue_len(&priv->skb_queue))
878 netdev_warn(dev, "skb_queue not empty\n");
879
880 skb_queue_purge(&priv->skb_queue);
881 }
882
883 /* The prototype of rx_isr has changed since one version of Linux Kernel */
rtl8192_rx_isr(struct urb * urb)884 static void rtl8192_rx_isr(struct urb *urb)
885 {
886 struct sk_buff *skb = (struct sk_buff *)urb->context;
887 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
888 struct net_device *dev = info->dev;
889 struct r8192_priv *priv = ieee80211_priv(dev);
890 int out_pipe = info->out_pipe;
891 int err;
892
893 if (!priv->up)
894 return;
895
896 if (unlikely(urb->status)) {
897 info->urb = NULL;
898 priv->stats.rxstaterr++;
899 priv->ieee80211->stats.rx_errors++;
900 usb_free_urb(urb);
901 return;
902 }
903 skb_unlink(skb, &priv->rx_queue);
904 skb_put(skb, urb->actual_length);
905
906 skb_queue_tail(&priv->skb_queue, skb);
907 tasklet_schedule(&priv->irq_rx_tasklet);
908
909 skb = dev_alloc_skb(RX_URB_SIZE);
910 if (unlikely(!skb)) {
911 usb_free_urb(urb);
912 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
913 /* TODO check rx queue length and refill *somewhere* */
914 return;
915 }
916
917 usb_fill_bulk_urb(urb, priv->udev,
918 usb_rcvbulkpipe(priv->udev, out_pipe),
919 skb_tail_pointer(skb),
920 RX_URB_SIZE, rtl8192_rx_isr, skb);
921
922 info = (struct rtl8192_rx_info *)skb->cb;
923 info->urb = urb;
924 info->dev = dev;
925 info->out_pipe = out_pipe;
926
927 urb->transfer_buffer = skb_tail_pointer(skb);
928 urb->context = skb;
929 skb_queue_tail(&priv->rx_queue, skb);
930 err = usb_submit_urb(urb, GFP_ATOMIC);
931 if (err && err != EPERM)
932 netdev_err(dev,
933 "can not submit rxurb, err is %x, URB status is %x\n",
934 err, urb->status);
935 }
936
rtl819xusb_rx_command_packet(struct net_device * dev,struct ieee80211_rx_stats * pstats)937 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
938 struct ieee80211_rx_stats *pstats)
939 {
940 u32 status;
941
942 status = cmpk_message_handle_rx(dev, pstats);
943 if (status)
944 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
945
946 return status;
947 }
948
949
rtl8192_data_hard_stop(struct net_device * dev)950 static void rtl8192_data_hard_stop(struct net_device *dev)
951 {
952 /* FIXME !! */
953 }
954
955
rtl8192_data_hard_resume(struct net_device * dev)956 static void rtl8192_data_hard_resume(struct net_device *dev)
957 {
958 /* FIXME !! */
959 }
960
961 /* this function TX data frames when the ieee80211 stack requires this.
962 * It checks also if we need to stop the ieee tx queue, eventually do it
963 */
rtl8192_hard_data_xmit(struct sk_buff * skb,struct net_device * dev,int rate)964 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
965 int rate)
966 {
967 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
968 int ret;
969 unsigned long flags;
970 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
971 u8 queue_index = tcb_desc->queue_index;
972
973 /* shall not be referred by command packet */
974 RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
975
976 spin_lock_irqsave(&priv->tx_lock, flags);
977
978 *(struct net_device **)(skb->cb) = dev;
979 tcb_desc->bTxEnableFwCalcDur = 1;
980 skb_push(skb, priv->ieee80211->tx_headroom);
981 ret = rtl8192_tx(dev, skb);
982
983 spin_unlock_irqrestore(&priv->tx_lock, flags);
984 }
985
986 /* This is a rough attempt to TX a frame
987 * This is called by the ieee 80211 stack to TX management frames.
988 * If the ring is full packet are dropped (for data frame the queue
989 * is stopped before this can happen).
990 */
rtl8192_hard_start_xmit(struct sk_buff * skb,struct net_device * dev)991 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
992 {
993 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
994 int ret;
995 unsigned long flags;
996 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
997 u8 queue_index = tcb_desc->queue_index;
998
999
1000 spin_lock_irqsave(&priv->tx_lock, flags);
1001
1002 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1003 if (queue_index == TXCMD_QUEUE) {
1004 skb_push(skb, USB_HWDESC_HEADER_LEN);
1005 rtl819xU_tx_cmd(dev, skb);
1006 ret = 1;
1007 } else {
1008 skb_push(skb, priv->ieee80211->tx_headroom);
1009 ret = rtl8192_tx(dev, skb);
1010 }
1011
1012 spin_unlock_irqrestore(&priv->tx_lock, flags);
1013
1014 return ret;
1015 }
1016
rtl8192_tx_isr(struct urb * tx_urb)1017 static void rtl8192_tx_isr(struct urb *tx_urb)
1018 {
1019 struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1020 struct net_device *dev;
1021 struct r8192_priv *priv = NULL;
1022 struct cb_desc *tcb_desc;
1023 u8 queue_index;
1024
1025 if (!skb)
1026 return;
1027
1028 dev = *(struct net_device **)(skb->cb);
1029 tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1030 queue_index = tcb_desc->queue_index;
1031
1032 priv = ieee80211_priv(dev);
1033
1034 if (tcb_desc->queue_index != TXCMD_QUEUE) {
1035 if (tx_urb->status == 0) {
1036 netif_trans_update(dev);
1037 priv->stats.txoktotal++;
1038 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1039 priv->stats.txbytesunicast +=
1040 (skb->len - priv->ieee80211->tx_headroom);
1041 } else {
1042 priv->ieee80211->stats.tx_errors++;
1043 /* TODO */
1044 }
1045 }
1046
1047 /* free skb and tx_urb */
1048 dev_kfree_skb_any(skb);
1049 usb_free_urb(tx_urb);
1050 atomic_dec(&priv->tx_pending[queue_index]);
1051
1052 /*
1053 * Handle HW Beacon:
1054 * We had transfer our beacon frame to host controller at this moment.
1055 *
1056 *
1057 * Caution:
1058 * Handling the wait queue of command packets.
1059 * For Tx command packets, we must not do TCB fragment because it is
1060 * not handled right now. We must cut the packets to match the size of
1061 * TX_CMD_PKT before we send it.
1062 */
1063
1064 /* Handle MPDU in wait queue. */
1065 if (queue_index != BEACON_QUEUE) {
1066 /* Don't send data frame during scanning.*/
1067 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1068 (!(priv->ieee80211->queue_stop))) {
1069 skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1070 if (skb)
1071 priv->ieee80211->softmac_hard_start_xmit(skb,
1072 dev);
1073
1074 return; /* avoid further processing AMSDU */
1075 }
1076 }
1077 }
1078
rtl8192_config_rate(struct net_device * dev,u16 * rate_config)1079 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1080 {
1081 struct r8192_priv *priv = ieee80211_priv(dev);
1082 struct ieee80211_network *net;
1083 u8 i = 0, basic_rate = 0;
1084
1085 net = &priv->ieee80211->current_network;
1086
1087 for (i = 0; i < net->rates_len; i++) {
1088 basic_rate = net->rates[i] & 0x7f;
1089 switch (basic_rate) {
1090 case MGN_1M:
1091 *rate_config |= RRSR_1M;
1092 break;
1093 case MGN_2M:
1094 *rate_config |= RRSR_2M;
1095 break;
1096 case MGN_5_5M:
1097 *rate_config |= RRSR_5_5M;
1098 break;
1099 case MGN_11M:
1100 *rate_config |= RRSR_11M;
1101 break;
1102 case MGN_6M:
1103 *rate_config |= RRSR_6M;
1104 break;
1105 case MGN_9M:
1106 *rate_config |= RRSR_9M;
1107 break;
1108 case MGN_12M:
1109 *rate_config |= RRSR_12M;
1110 break;
1111 case MGN_18M:
1112 *rate_config |= RRSR_18M;
1113 break;
1114 case MGN_24M:
1115 *rate_config |= RRSR_24M;
1116 break;
1117 case MGN_36M:
1118 *rate_config |= RRSR_36M;
1119 break;
1120 case MGN_48M:
1121 *rate_config |= RRSR_48M;
1122 break;
1123 case MGN_54M:
1124 *rate_config |= RRSR_54M;
1125 break;
1126 }
1127 }
1128 for (i = 0; i < net->rates_ex_len; i++) {
1129 basic_rate = net->rates_ex[i] & 0x7f;
1130 switch (basic_rate) {
1131 case MGN_1M:
1132 *rate_config |= RRSR_1M;
1133 break;
1134 case MGN_2M:
1135 *rate_config |= RRSR_2M;
1136 break;
1137 case MGN_5_5M:
1138 *rate_config |= RRSR_5_5M;
1139 break;
1140 case MGN_11M:
1141 *rate_config |= RRSR_11M;
1142 break;
1143 case MGN_6M:
1144 *rate_config |= RRSR_6M;
1145 break;
1146 case MGN_9M:
1147 *rate_config |= RRSR_9M;
1148 break;
1149 case MGN_12M:
1150 *rate_config |= RRSR_12M;
1151 break;
1152 case MGN_18M:
1153 *rate_config |= RRSR_18M;
1154 break;
1155 case MGN_24M:
1156 *rate_config |= RRSR_24M;
1157 break;
1158 case MGN_36M:
1159 *rate_config |= RRSR_36M;
1160 break;
1161 case MGN_48M:
1162 *rate_config |= RRSR_48M;
1163 break;
1164 case MGN_54M:
1165 *rate_config |= RRSR_54M;
1166 break;
1167 }
1168 }
1169 }
1170
1171
1172 #define SHORT_SLOT_TIME 9
1173 #define NON_SHORT_SLOT_TIME 20
1174
rtl8192_update_cap(struct net_device * dev,u16 cap)1175 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1176 {
1177 u32 tmp = 0;
1178 struct r8192_priv *priv = ieee80211_priv(dev);
1179 struct ieee80211_network *net = &priv->ieee80211->current_network;
1180
1181 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1182 tmp = priv->basic_rate;
1183 if (priv->short_preamble)
1184 tmp |= BRSR_AckShortPmb;
1185 write_nic_dword(dev, RRSR, tmp);
1186
1187 if (net->mode & (IEEE_G | IEEE_N_24G)) {
1188 u8 slot_time = 0;
1189
1190 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1191 (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1192 /* short slot time */
1193 slot_time = SHORT_SLOT_TIME;
1194 else /* long slot time */
1195 slot_time = NON_SHORT_SLOT_TIME;
1196 priv->slot_time = slot_time;
1197 write_nic_byte(dev, SLOT_TIME, slot_time);
1198 }
1199 }
1200
rtl8192_net_update(struct net_device * dev)1201 static void rtl8192_net_update(struct net_device *dev)
1202 {
1203 struct r8192_priv *priv = ieee80211_priv(dev);
1204 struct ieee80211_network *net;
1205 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1206 u16 rate_config = 0;
1207
1208 net = &priv->ieee80211->current_network;
1209
1210 rtl8192_config_rate(dev, &rate_config);
1211 priv->basic_rate = rate_config & 0x15f;
1212
1213 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1214 write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1215
1216 rtl8192_update_msr(dev);
1217 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1218 write_nic_word(dev, ATIMWND, 2);
1219 write_nic_word(dev, BCN_DMATIME, 1023);
1220 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1221 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1222 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1223 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1224 /* TODO: BcnIFS may required to be changed on ASIC */
1225 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1226
1227 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1228 }
1229 }
1230
1231 /* temporary hw beacon is not used any more.
1232 * open it when necessary
1233 */
rtl819xusb_beacon_tx(struct net_device * dev,u16 tx_rate)1234 void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
1235 {
1236
1237 }
1238
rtl819xU_tx_cmd(struct net_device * dev,struct sk_buff * skb)1239 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1240 {
1241 struct r8192_priv *priv = ieee80211_priv(dev);
1242 int status;
1243 struct urb *tx_urb;
1244 unsigned int idx_pipe;
1245 struct tx_desc_cmd_819x_usb *pdesc = (struct tx_desc_cmd_819x_usb *)skb->data;
1246 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1247 u8 queue_index = tcb_desc->queue_index;
1248
1249 atomic_inc(&priv->tx_pending[queue_index]);
1250 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1251 if (!tx_urb) {
1252 dev_kfree_skb(skb);
1253 return -ENOMEM;
1254 }
1255
1256 memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1257 /* Tx descriptor ought to be set according to the skb->cb */
1258 pdesc->FirstSeg = 1;
1259 pdesc->LastSeg = 1;
1260 pdesc->CmdInit = tcb_desc->bCmdOrInit;
1261 pdesc->TxBufferSize = tcb_desc->txbuf_size;
1262 pdesc->OWN = 1;
1263 pdesc->LINIP = tcb_desc->bLastIniPkt;
1264
1265 /*---------------------------------------------------------------------
1266 * Fill up USB_OUT_CONTEXT.
1267 *---------------------------------------------------------------------
1268 */
1269 idx_pipe = 0x04;
1270 usb_fill_bulk_urb(tx_urb, priv->udev,
1271 usb_sndbulkpipe(priv->udev, idx_pipe),
1272 skb->data, skb->len, rtl8192_tx_isr, skb);
1273
1274 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1275
1276 if (!status)
1277 return 0;
1278
1279 DMESGE("Error TX CMD URB, error %d", status);
1280 return -1;
1281 }
1282
1283 /*
1284 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1285 * in TxFwInfo data structure
1286 * 2006.10.30 by Emily
1287 *
1288 * \param QUEUEID Software Queue
1289 */
MapHwQueueToFirmwareQueue(u8 QueueID)1290 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1291 {
1292 u8 QueueSelect = 0x0; /* default set to */
1293
1294 switch (QueueID) {
1295 case BE_QUEUE:
1296 QueueSelect = QSLT_BE;
1297 break;
1298
1299 case BK_QUEUE:
1300 QueueSelect = QSLT_BK;
1301 break;
1302
1303 case VO_QUEUE:
1304 QueueSelect = QSLT_VO;
1305 break;
1306
1307 case VI_QUEUE:
1308 QueueSelect = QSLT_VI;
1309 break;
1310 case MGNT_QUEUE:
1311 QueueSelect = QSLT_MGNT;
1312 break;
1313
1314 case BEACON_QUEUE:
1315 QueueSelect = QSLT_BEACON;
1316 break;
1317
1318 /* TODO: mark other queue selection until we verify it is OK */
1319 /* TODO: Remove Assertions */
1320 case TXCMD_QUEUE:
1321 QueueSelect = QSLT_CMD;
1322 break;
1323 case HIGH_QUEUE:
1324 QueueSelect = QSLT_HIGH;
1325 break;
1326
1327 default:
1328 RT_TRACE(COMP_ERR,
1329 "TransmitTCB(): Impossible Queue Selection: %d\n",
1330 QueueID);
1331 break;
1332 }
1333 return QueueSelect;
1334 }
1335
MRateToHwRate8190Pci(u8 rate)1336 static u8 MRateToHwRate8190Pci(u8 rate)
1337 {
1338 u8 ret = DESC90_RATE1M;
1339
1340 switch (rate) {
1341 case MGN_1M:
1342 ret = DESC90_RATE1M;
1343 break;
1344 case MGN_2M:
1345 ret = DESC90_RATE2M;
1346 break;
1347 case MGN_5_5M:
1348 ret = DESC90_RATE5_5M;
1349 break;
1350 case MGN_11M:
1351 ret = DESC90_RATE11M;
1352 break;
1353 case MGN_6M:
1354 ret = DESC90_RATE6M;
1355 break;
1356 case MGN_9M:
1357 ret = DESC90_RATE9M;
1358 break;
1359 case MGN_12M:
1360 ret = DESC90_RATE12M;
1361 break;
1362 case MGN_18M:
1363 ret = DESC90_RATE18M;
1364 break;
1365 case MGN_24M:
1366 ret = DESC90_RATE24M;
1367 break;
1368 case MGN_36M:
1369 ret = DESC90_RATE36M;
1370 break;
1371 case MGN_48M:
1372 ret = DESC90_RATE48M;
1373 break;
1374 case MGN_54M:
1375 ret = DESC90_RATE54M;
1376 break;
1377
1378 /* HT rate since here */
1379 case MGN_MCS0:
1380 ret = DESC90_RATEMCS0;
1381 break;
1382 case MGN_MCS1:
1383 ret = DESC90_RATEMCS1;
1384 break;
1385 case MGN_MCS2:
1386 ret = DESC90_RATEMCS2;
1387 break;
1388 case MGN_MCS3:
1389 ret = DESC90_RATEMCS3;
1390 break;
1391 case MGN_MCS4:
1392 ret = DESC90_RATEMCS4;
1393 break;
1394 case MGN_MCS5:
1395 ret = DESC90_RATEMCS5;
1396 break;
1397 case MGN_MCS6:
1398 ret = DESC90_RATEMCS6;
1399 break;
1400 case MGN_MCS7:
1401 ret = DESC90_RATEMCS7;
1402 break;
1403 case MGN_MCS8:
1404 ret = DESC90_RATEMCS8;
1405 break;
1406 case MGN_MCS9:
1407 ret = DESC90_RATEMCS9;
1408 break;
1409 case MGN_MCS10:
1410 ret = DESC90_RATEMCS10;
1411 break;
1412 case MGN_MCS11:
1413 ret = DESC90_RATEMCS11;
1414 break;
1415 case MGN_MCS12:
1416 ret = DESC90_RATEMCS12;
1417 break;
1418 case MGN_MCS13:
1419 ret = DESC90_RATEMCS13;
1420 break;
1421 case MGN_MCS14:
1422 ret = DESC90_RATEMCS14;
1423 break;
1424 case MGN_MCS15:
1425 ret = DESC90_RATEMCS15;
1426 break;
1427 case (0x80 | 0x20):
1428 ret = DESC90_RATEMCS32;
1429 break;
1430
1431 default:
1432 break;
1433 }
1434 return ret;
1435 }
1436
1437
QueryIsShort(u8 TxHT,u8 TxRate,struct cb_desc * tcb_desc)1438 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1439 {
1440 u8 tmp_Short;
1441
1442 tmp_Short = (TxHT == 1) ?
1443 ((tcb_desc->bUseShortGI) ? 1 : 0) :
1444 ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1445
1446 if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1447 tmp_Short = 0;
1448
1449 return tmp_Short;
1450 }
1451
tx_zero_isr(struct urb * tx_urb)1452 static void tx_zero_isr(struct urb *tx_urb)
1453 {
1454 }
1455
1456 /*
1457 * The tx procedure is just as following,
1458 * skb->cb will contain all the following information,
1459 * priority, morefrag, rate, &dev.
1460 */
rtl8192_tx(struct net_device * dev,struct sk_buff * skb)1461 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1462 {
1463 struct r8192_priv *priv = ieee80211_priv(dev);
1464 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1465 struct tx_desc_819x_usb *tx_desc = (struct tx_desc_819x_usb *)skb->data;
1466 struct tx_fwinfo_819x_usb *tx_fwinfo =
1467 (struct tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1468 struct usb_device *udev = priv->udev;
1469 int pend;
1470 int status;
1471 struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1472 unsigned int idx_pipe;
1473
1474 pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1475 /* we are locked here so the two atomic_read and inc are executed
1476 * without interleaves
1477 * !!! For debug purpose
1478 */
1479 if (pend > MAX_TX_URB) {
1480 netdev_dbg(dev, "To discard skb packet!\n");
1481 dev_kfree_skb_any(skb);
1482 return -1;
1483 }
1484
1485 tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1486 if (!tx_urb) {
1487 dev_kfree_skb_any(skb);
1488 return -ENOMEM;
1489 }
1490
1491 /* Fill Tx firmware info */
1492 memset(tx_fwinfo, 0, sizeof(struct tx_fwinfo_819x_usb));
1493 /* DWORD 0 */
1494 tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1495 tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1496 tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1497 tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1498 tcb_desc);
1499 if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1500 tx_fwinfo->AllowAggregation = 1;
1501 /* DWORD 1 */
1502 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1503 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1504 } else {
1505 tx_fwinfo->AllowAggregation = 0;
1506 /* DWORD 1 */
1507 tx_fwinfo->RxMF = 0;
1508 tx_fwinfo->RxAMD = 0;
1509 }
1510
1511 /* Protection mode related */
1512 tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1513 tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1514 tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1515 tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1516 tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1517 tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1518 tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1519 tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1520 (tcb_desc->bRTSUseShortGI ? 1 : 0);
1521
1522 /* Set Bandwidth and sub-channel settings. */
1523 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1524 if (tcb_desc->bPacketBW) {
1525 tx_fwinfo->TxBandwidth = 1;
1526 /* use duplicated mode */
1527 tx_fwinfo->TxSubCarrier = 0;
1528 } else {
1529 tx_fwinfo->TxBandwidth = 0;
1530 tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1531 }
1532 } else {
1533 tx_fwinfo->TxBandwidth = 0;
1534 tx_fwinfo->TxSubCarrier = 0;
1535 }
1536
1537 /* Fill Tx descriptor */
1538 memset(tx_desc, 0, sizeof(struct tx_desc_819x_usb));
1539 /* DWORD 0 */
1540 tx_desc->LINIP = 0;
1541 tx_desc->CmdInit = 1;
1542 tx_desc->Offset = sizeof(struct tx_fwinfo_819x_usb) + 8;
1543 tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1544
1545 /*DWORD 1*/
1546 tx_desc->SecCAMID = 0;
1547 tx_desc->RATid = tcb_desc->RATRIndex;
1548 tx_desc->NoEnc = 1;
1549 tx_desc->SecType = 0x0;
1550 if (tcb_desc->bHwSec) {
1551 switch (priv->ieee80211->pairwise_key_type) {
1552 case KEY_TYPE_WEP40:
1553 case KEY_TYPE_WEP104:
1554 tx_desc->SecType = 0x1;
1555 tx_desc->NoEnc = 0;
1556 break;
1557 case KEY_TYPE_TKIP:
1558 tx_desc->SecType = 0x2;
1559 tx_desc->NoEnc = 0;
1560 break;
1561 case KEY_TYPE_CCMP:
1562 tx_desc->SecType = 0x3;
1563 tx_desc->NoEnc = 0;
1564 break;
1565 case KEY_TYPE_NA:
1566 tx_desc->SecType = 0x0;
1567 tx_desc->NoEnc = 1;
1568 break;
1569 }
1570 }
1571
1572 tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1573 tx_desc->TxFWInfoSize = sizeof(struct tx_fwinfo_819x_usb);
1574
1575 tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1576 tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1577
1578 /* Fill fields that are required to be initialized in
1579 * all of the descriptors
1580 */
1581 /* DWORD 0 */
1582 tx_desc->FirstSeg = 1;
1583 tx_desc->LastSeg = 1;
1584 tx_desc->OWN = 1;
1585
1586 /* DWORD 2 */
1587 tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1588 idx_pipe = 0x5;
1589
1590 /* To submit bulk urb */
1591 usb_fill_bulk_urb(tx_urb, udev,
1592 usb_sndbulkpipe(udev, idx_pipe), skb->data,
1593 skb->len, rtl8192_tx_isr, skb);
1594
1595 status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1596 if (!status) {
1597 /* We need to send 0 byte packet whenever
1598 * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1599 * been transmitted. Otherwise, it will be halt to wait for
1600 * another packet.
1601 */
1602 bool bSend0Byte = false;
1603 u8 zero = 0;
1604
1605 if (udev->speed == USB_SPEED_HIGH) {
1606 if (skb->len > 0 && skb->len % 512 == 0)
1607 bSend0Byte = true;
1608 } else {
1609 if (skb->len > 0 && skb->len % 64 == 0)
1610 bSend0Byte = true;
1611 }
1612 if (bSend0Byte) {
1613 tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1614 if (!tx_urb_zero)
1615 return -ENOMEM;
1616 usb_fill_bulk_urb(tx_urb_zero, udev,
1617 usb_sndbulkpipe(udev, idx_pipe),
1618 &zero, 0, tx_zero_isr, dev);
1619 status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1620 if (status) {
1621 RT_TRACE(COMP_ERR,
1622 "Error TX URB for zero byte %d, error %d",
1623 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1624 status);
1625 return -1;
1626 }
1627 }
1628 netif_trans_update(dev);
1629 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1630 return 0;
1631 }
1632
1633 RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1634 atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1635 status);
1636 return -1;
1637 }
1638
rtl8192_usb_initendpoints(struct net_device * dev)1639 static short rtl8192_usb_initendpoints(struct net_device *dev)
1640 {
1641 struct r8192_priv *priv = ieee80211_priv(dev);
1642
1643 priv->rx_urb = kmalloc_array(MAX_RX_URB + 1, sizeof(struct urb *),
1644 GFP_KERNEL);
1645 if (!priv->rx_urb)
1646 return -ENOMEM;
1647
1648 #ifndef JACKSON_NEW_RX
1649 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1650 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1651 if (!priv->rx_urb[i])
1652 return -ENOMEM;
1653
1654 priv->rx_urb[i]->transfer_buffer =
1655 kmalloc(RX_URB_SIZE, GFP_KERNEL);
1656 if (!priv->rx_urb[i]->transfer_buffer)
1657 return -ENOMEM;
1658
1659 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1660 }
1661 #endif
1662
1663 #ifdef THOMAS_BEACON
1664 {
1665 long align = 0;
1666 void *oldaddr, *newaddr;
1667
1668 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1669 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1670 if (!priv->oldaddr)
1671 return -ENOMEM;
1672 oldaddr = priv->oldaddr;
1673 align = ((long)oldaddr) & 3;
1674 if (align) {
1675 newaddr = oldaddr + 4 - align;
1676 priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1677 } else {
1678 newaddr = oldaddr;
1679 priv->rx_urb[16]->transfer_buffer_length = 16;
1680 }
1681 priv->rx_urb[16]->transfer_buffer = newaddr;
1682 }
1683 #endif
1684
1685 memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1686 priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1687 GFP_KERNEL);
1688 if (!priv->pp_rxskb) {
1689 kfree(priv->rx_urb);
1690
1691 priv->pp_rxskb = NULL;
1692 priv->rx_urb = NULL;
1693
1694 DMESGE("Endpoint Alloc Failure");
1695 return -ENOMEM;
1696 }
1697
1698 netdev_dbg(dev, "End of initendpoints\n");
1699 return 0;
1700 }
1701
1702 #ifdef THOMAS_BEACON
rtl8192_usb_deleteendpoints(struct net_device * dev)1703 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1704 {
1705 int i;
1706 struct r8192_priv *priv = ieee80211_priv(dev);
1707
1708 if (priv->rx_urb) {
1709 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1710 usb_kill_urb(priv->rx_urb[i]);
1711 usb_free_urb(priv->rx_urb[i]);
1712 }
1713 kfree(priv->rx_urb);
1714 priv->rx_urb = NULL;
1715 }
1716 kfree(priv->oldaddr);
1717 priv->oldaddr = NULL;
1718
1719 kfree(priv->pp_rxskb);
1720 priv->pp_rxskb = NULL;
1721 }
1722 #else
rtl8192_usb_deleteendpoints(struct net_device * dev)1723 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1724 {
1725 int i;
1726 struct r8192_priv *priv = ieee80211_priv(dev);
1727
1728 #ifndef JACKSON_NEW_RX
1729
1730 if (priv->rx_urb) {
1731 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1732 usb_kill_urb(priv->rx_urb[i]);
1733 kfree(priv->rx_urb[i]->transfer_buffer);
1734 usb_free_urb(priv->rx_urb[i]);
1735 }
1736 kfree(priv->rx_urb);
1737 priv->rx_urb = NULL;
1738 }
1739 #else
1740 kfree(priv->rx_urb);
1741 priv->rx_urb = NULL;
1742 kfree(priv->oldaddr);
1743 priv->oldaddr = NULL;
1744
1745 kfree(priv->pp_rxskb);
1746 priv->pp_rxskb = 0;
1747
1748 #endif
1749 }
1750 #endif
1751
1752 static void rtl8192_update_ratr_table(struct net_device *dev);
rtl8192_link_change(struct net_device * dev)1753 static void rtl8192_link_change(struct net_device *dev)
1754 {
1755 struct r8192_priv *priv = ieee80211_priv(dev);
1756 struct ieee80211_device *ieee = priv->ieee80211;
1757
1758 if (ieee->state == IEEE80211_LINKED) {
1759 rtl8192_net_update(dev);
1760 rtl8192_update_ratr_table(dev);
1761 /* Add this as in pure N mode, wep encryption will use software
1762 * way, but there is no chance to set this as wep will not set
1763 * group key in wext.
1764 */
1765 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1766 ieee->pairwise_key_type == KEY_TYPE_WEP104)
1767 EnableHWSecurityConfig8192(dev);
1768 }
1769 /*update timing params*/
1770 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1771 u32 reg = 0;
1772
1773 read_nic_dword(dev, RCR, ®);
1774 if (priv->ieee80211->state == IEEE80211_LINKED)
1775 priv->ReceiveConfig = reg |= RCR_CBSSID;
1776 else
1777 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1778 write_nic_dword(dev, RCR, reg);
1779 }
1780 }
1781
1782 static const struct ieee80211_qos_parameters def_qos_parameters = {
1783 {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1784 {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1785 {2, 2, 2, 2},/* aifs */
1786 {0, 0, 0, 0},/* flags */
1787 {0, 0, 0, 0} /* tx_op_limit */
1788 };
1789
1790
rtl8192_update_beacon(struct work_struct * work)1791 static void rtl8192_update_beacon(struct work_struct *work)
1792 {
1793 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1794 update_beacon_wq.work);
1795 struct net_device *dev = priv->ieee80211->dev;
1796 struct ieee80211_device *ieee = priv->ieee80211;
1797 struct ieee80211_network *net = &ieee->current_network;
1798
1799 if (ieee->pHTInfo->bCurrentHTSupport)
1800 HTUpdateSelfAndPeerSetting(ieee, net);
1801 ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1802 net->bssht.bdRT2RTLongSlotTime;
1803 rtl8192_update_cap(dev, net->capability);
1804 }
1805
1806 /*
1807 * background support to run QoS activate functionality
1808 */
1809 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1810 EDCAPARA_VI, EDCAPARA_VO};
rtl8192_qos_activate(struct work_struct * work)1811 static void rtl8192_qos_activate(struct work_struct *work)
1812 {
1813 struct r8192_priv *priv = container_of(work, struct r8192_priv,
1814 qos_activate);
1815 struct net_device *dev = priv->ieee80211->dev;
1816 struct ieee80211_qos_parameters *qos_parameters =
1817 &priv->ieee80211->current_network.qos_data.parameters;
1818 u8 mode = priv->ieee80211->current_network.mode;
1819 u32 u1bAIFS;
1820 u32 u4bAcParam;
1821 u32 op_limit;
1822 u32 cw_max;
1823 u32 cw_min;
1824 int i;
1825
1826 mutex_lock(&priv->mutex);
1827 if (priv->ieee80211->state != IEEE80211_LINKED)
1828 goto success;
1829 RT_TRACE(COMP_QOS,
1830 "qos active process with associate response received\n");
1831 /* It better set slot time at first
1832 *
1833 * For we just support b/g mode at present, let the slot time at
1834 * 9/20 selection
1835 *
1836 * update the ac parameter to related registers
1837 */
1838 for (i = 0; i < QOS_QUEUE_NUM; i++) {
1839 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1840 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1841 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1842 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1843 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1844 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1845 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1846 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1847 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1848 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1849 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1850 }
1851
1852 success:
1853 mutex_unlock(&priv->mutex);
1854 }
1855
rtl8192_qos_handle_probe_response(struct r8192_priv * priv,int active_network,struct ieee80211_network * network)1856 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1857 int active_network,
1858 struct ieee80211_network *network)
1859 {
1860 int ret = 0;
1861 u32 size = sizeof(struct ieee80211_qos_parameters);
1862
1863 if (priv->ieee80211->state != IEEE80211_LINKED)
1864 return ret;
1865
1866 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1867 return ret;
1868
1869 if (network->flags & NETWORK_HAS_QOS_MASK) {
1870 if (active_network &&
1871 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1872 network->qos_data.active = network->qos_data.supported;
1873
1874 if ((network->qos_data.active == 1) && (active_network == 1) &&
1875 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1876 (network->qos_data.old_param_count !=
1877 network->qos_data.param_count)) {
1878 network->qos_data.old_param_count =
1879 network->qos_data.param_count;
1880 schedule_work(&priv->qos_activate);
1881 RT_TRACE(COMP_QOS,
1882 "QoS parameters change call qos_activate\n");
1883 }
1884 } else {
1885 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1886 &def_qos_parameters, size);
1887
1888 if ((network->qos_data.active == 1) && (active_network == 1)) {
1889 schedule_work(&priv->qos_activate);
1890 RT_TRACE(COMP_QOS,
1891 "QoS was disabled call qos_activate\n");
1892 }
1893 network->qos_data.active = 0;
1894 network->qos_data.supported = 0;
1895 }
1896
1897 return 0;
1898 }
1899
1900 /* handle and manage frame from beacon and probe response */
rtl8192_handle_beacon(struct net_device * dev,struct ieee80211_beacon * beacon,struct ieee80211_network * network)1901 static int rtl8192_handle_beacon(struct net_device *dev,
1902 struct ieee80211_beacon *beacon,
1903 struct ieee80211_network *network)
1904 {
1905 struct r8192_priv *priv = ieee80211_priv(dev);
1906
1907 rtl8192_qos_handle_probe_response(priv, 1, network);
1908 schedule_delayed_work(&priv->update_beacon_wq, 0);
1909 return 0;
1910 }
1911
1912 /*
1913 * handling the beaconing responses. if we get different QoS setting
1914 * off the network from the associated setting, adjust the QoS
1915 * setting
1916 */
rtl8192_qos_association_resp(struct r8192_priv * priv,struct ieee80211_network * network)1917 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1918 struct ieee80211_network *network)
1919 {
1920 unsigned long flags;
1921 u32 size = sizeof(struct ieee80211_qos_parameters);
1922 int set_qos_param = 0;
1923
1924 if (!priv || !network)
1925 return 0;
1926
1927 if (priv->ieee80211->state != IEEE80211_LINKED)
1928 return 0;
1929
1930 if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1931 return 0;
1932
1933 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1934 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1935 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1936 &network->qos_data.parameters,
1937 sizeof(struct ieee80211_qos_parameters));
1938 priv->ieee80211->current_network.qos_data.active = 1;
1939 set_qos_param = 1;
1940 /* update qos parameter for current network */
1941 priv->ieee80211->current_network.qos_data.old_param_count =
1942 priv->ieee80211->current_network.qos_data.param_count;
1943 priv->ieee80211->current_network.qos_data.param_count =
1944 network->qos_data.param_count;
1945 } else {
1946 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1947 &def_qos_parameters, size);
1948 priv->ieee80211->current_network.qos_data.active = 0;
1949 priv->ieee80211->current_network.qos_data.supported = 0;
1950 set_qos_param = 1;
1951 }
1952
1953 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1954
1955 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1956 network->flags,
1957 priv->ieee80211->current_network.qos_data.active);
1958 if (set_qos_param == 1)
1959 schedule_work(&priv->qos_activate);
1960
1961
1962 return 0;
1963 }
1964
1965
rtl8192_handle_assoc_response(struct net_device * dev,struct ieee80211_assoc_response_frame * resp,struct ieee80211_network * network)1966 static int rtl8192_handle_assoc_response(
1967 struct net_device *dev,
1968 struct ieee80211_assoc_response_frame *resp,
1969 struct ieee80211_network *network)
1970 {
1971 struct r8192_priv *priv = ieee80211_priv(dev);
1972
1973 rtl8192_qos_association_resp(priv, network);
1974 return 0;
1975 }
1976
1977
rtl8192_update_ratr_table(struct net_device * dev)1978 static void rtl8192_update_ratr_table(struct net_device *dev)
1979 {
1980 struct r8192_priv *priv = ieee80211_priv(dev);
1981 struct ieee80211_device *ieee = priv->ieee80211;
1982 u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
1983 u32 ratr_value = 0;
1984 u8 rate_index = 0;
1985
1986 rtl8192_config_rate(dev, (u16 *)(&ratr_value));
1987 ratr_value |= (*(u16 *)(pMcsRate)) << 12;
1988 switch (ieee->mode) {
1989 case IEEE_A:
1990 ratr_value &= 0x00000FF0;
1991 break;
1992 case IEEE_B:
1993 ratr_value &= 0x0000000F;
1994 break;
1995 case IEEE_G:
1996 ratr_value &= 0x00000FF7;
1997 break;
1998 case IEEE_N_24G:
1999 case IEEE_N_5G:
2000 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2001 ratr_value &= 0x0007F007;
2002 } else {
2003 if (priv->rf_type == RF_1T2R)
2004 ratr_value &= 0x000FF007;
2005 else
2006 ratr_value &= 0x0F81F007;
2007 }
2008 break;
2009 default:
2010 break;
2011 }
2012 ratr_value &= 0x0FFFFFFF;
2013 if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2014 ratr_value |= 0x80000000;
2015 else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2016 ieee->pHTInfo->bCurShortGI20MHz)
2017 ratr_value |= 0x80000000;
2018 write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2019 write_nic_byte(dev, UFWP, 1);
2020 }
2021
2022 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2023 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
GetNmodeSupportBySecCfg8192(struct net_device * dev)2024 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2025 {
2026 struct r8192_priv *priv = ieee80211_priv(dev);
2027 struct ieee80211_device *ieee = priv->ieee80211;
2028 struct ieee80211_network *network = &ieee->current_network;
2029 int wpa_ie_len = ieee->wpa_ie_len;
2030 struct ieee80211_crypt_data *crypt;
2031 int encrypt;
2032
2033 crypt = ieee->crypt[ieee->tx_keyidx];
2034 /* we use connecting AP's capability instead of only security config
2035 * on our driver to distinguish whether it should use N mode or G mode
2036 */
2037 encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2038 (ieee->host_encrypt && crypt && crypt->ops &&
2039 (strcmp(crypt->ops->name, "WEP") == 0));
2040
2041 /* simply judge */
2042 if (encrypt && (wpa_ie_len == 0)) {
2043 /* wep encryption, no N mode setting */
2044 return false;
2045 } else if ((wpa_ie_len != 0)) {
2046 /* parse pairwise key type */
2047 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
2048 return true;
2049 else
2050 return false;
2051 } else {
2052 return true;
2053 }
2054
2055 return true;
2056 }
2057
GetHalfNmodeSupportByAPs819xUsb(struct net_device * dev)2058 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2059 {
2060 struct r8192_priv *priv = ieee80211_priv(dev);
2061
2062 return priv->ieee80211->bHalfWirelessN24GMode;
2063 }
2064
rtl8192_refresh_supportrate(struct r8192_priv * priv)2065 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2066 {
2067 struct ieee80211_device *ieee = priv->ieee80211;
2068 /* We do not consider set support rate for ABG mode, only
2069 * HT MCS rate is set here.
2070 */
2071 if (ieee->mode == WIRELESS_MODE_N_24G ||
2072 ieee->mode == WIRELESS_MODE_N_5G)
2073 memcpy(ieee->Regdot11HTOperationalRateSet,
2074 ieee->RegHTSuppRateSet, 16);
2075 else
2076 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2077 }
2078
rtl8192_getSupportedWireleeMode(struct net_device * dev)2079 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2080 {
2081 struct r8192_priv *priv = ieee80211_priv(dev);
2082 u8 ret = 0;
2083
2084 switch (priv->rf_chip) {
2085 case RF_8225:
2086 case RF_8256:
2087 case RF_PSEUDO_11N:
2088 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2089 break;
2090 case RF_8258:
2091 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2092 break;
2093 default:
2094 ret = WIRELESS_MODE_B;
2095 break;
2096 }
2097 return ret;
2098 }
2099
rtl8192_SetWirelessMode(struct net_device * dev,u8 wireless_mode)2100 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2101 {
2102 struct r8192_priv *priv = ieee80211_priv(dev);
2103 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2104
2105 if (wireless_mode == WIRELESS_MODE_AUTO ||
2106 (wireless_mode & bSupportMode) == 0) {
2107 if (bSupportMode & WIRELESS_MODE_N_24G) {
2108 wireless_mode = WIRELESS_MODE_N_24G;
2109 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2110 wireless_mode = WIRELESS_MODE_N_5G;
2111 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2112 wireless_mode = WIRELESS_MODE_A;
2113 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2114 wireless_mode = WIRELESS_MODE_G;
2115 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2116 wireless_mode = WIRELESS_MODE_B;
2117 } else {
2118 RT_TRACE(COMP_ERR,
2119 "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2120 __func__, bSupportMode);
2121 wireless_mode = WIRELESS_MODE_B;
2122 }
2123 }
2124 #ifdef TO_DO_LIST
2125 /* TODO: this function doesn't work well at this time,
2126 * we should wait for FPGA
2127 */
2128 ActUpdateChannelAccessSetting(
2129 pAdapter, pHalData->CurrentWirelessMode,
2130 &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2131 #endif
2132 priv->ieee80211->mode = wireless_mode;
2133
2134 if (wireless_mode == WIRELESS_MODE_N_24G ||
2135 wireless_mode == WIRELESS_MODE_N_5G)
2136 priv->ieee80211->pHTInfo->bEnableHT = 1;
2137 else
2138 priv->ieee80211->pHTInfo->bEnableHT = 0;
2139 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2140 rtl8192_refresh_supportrate(priv);
2141 }
2142
2143 /* init priv variables here. only non_zero value should be initialized here. */
rtl8192_init_priv_variable(struct net_device * dev)2144 static void rtl8192_init_priv_variable(struct net_device *dev)
2145 {
2146 struct r8192_priv *priv = ieee80211_priv(dev);
2147 u8 i;
2148
2149 priv->card_8192 = NIC_8192U;
2150 priv->chan = 1; /* set to channel 1 */
2151 priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2152 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2153 priv->ieee80211->ieee_up = 0;
2154 priv->retry_rts = DEFAULT_RETRY_RTS;
2155 priv->retry_data = DEFAULT_RETRY_DATA;
2156 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2157 priv->ieee80211->rate = 110; /* 11 mbps */
2158 priv->ieee80211->short_slot = 1;
2159 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2160 priv->CckPwEnl = 6;
2161 /* for silent reset */
2162 priv->IrpPendingCount = 1;
2163 priv->ResetProgress = RESET_TYPE_NORESET;
2164 priv->bForcedSilentReset = false;
2165 priv->bDisableNormalResetCheck = false;
2166 priv->force_reset = false;
2167
2168 /* we don't use FW read/write RF until stable firmware is available. */
2169 priv->ieee80211->FwRWRF = 0;
2170 priv->ieee80211->current_network.beacon_interval =
2171 DEFAULT_BEACONINTERVAL;
2172 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2173 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2174 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2175 IEEE_SOFTMAC_BEACONS;
2176
2177 priv->ieee80211->active_scan = 1;
2178 priv->ieee80211->modulation =
2179 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2180 priv->ieee80211->host_encrypt = 1;
2181 priv->ieee80211->host_decrypt = 1;
2182 priv->ieee80211->start_send_beacons = NULL;
2183 priv->ieee80211->stop_send_beacons = NULL;
2184 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2185 priv->ieee80211->set_chan = rtl8192_set_chan;
2186 priv->ieee80211->link_change = rtl8192_link_change;
2187 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2188 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2189 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2190 priv->ieee80211->init_wmmparam_flag = 0;
2191 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2192 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2193 priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2194 priv->ieee80211->qos_support = 1;
2195
2196 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2197 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2198 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2199
2200 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2201 priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2202 GetHalfNmodeSupportByAPs819xUsb;
2203 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2204
2205 priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2206 priv->card_type = USB;
2207 #ifdef TO_DO_LIST
2208 if (Adapter->bInHctTest) {
2209 pHalData->ShortRetryLimit = 7;
2210 pHalData->LongRetryLimit = 7;
2211 }
2212 #endif
2213 priv->ShortRetryLimit = 0x30;
2214 priv->LongRetryLimit = 0x30;
2215 priv->EarlyRxThreshold = 7;
2216 priv->enable_gpio0 = 0;
2217 priv->TransmitConfig =
2218 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2219 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET) |
2220 /* Short retry limit */
2221 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2222 /* Long retry limit */
2223 (priv->LongRetryLimit << TCR_LRL_OFFSET) |
2224 /* FALSE: HW provides PLCP length and LENGEXT
2225 * TRUE: SW provides them
2226 */
2227 (false ? TCR_SAT : 0);
2228 #ifdef TO_DO_LIST
2229 if (Adapter->bInHctTest)
2230 pHalData->ReceiveConfig =
2231 pHalData->CSMethod |
2232 /* accept management/data */
2233 RCR_AMF | RCR_ADF |
2234 /* accept control frame for SW
2235 * AP needs PS-poll
2236 */
2237 RCR_ACF |
2238 /* accept BC/MC/UC */
2239 RCR_AB | RCR_AM | RCR_APM |
2240 /* accept ICV/CRC error
2241 * packet
2242 */
2243 RCR_AICV | RCR_ACRC32 |
2244 /* Max DMA Burst Size per Tx
2245 * DMA Burst, 7: unlimited.
2246 */
2247 ((u32)7 << RCR_MXDMA_OFFSET) |
2248 /* Rx FIFO Threshold,
2249 * 7: No Rx threshold.
2250 */
2251 (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2252 (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2253 else
2254
2255 #endif
2256 priv->ReceiveConfig =
2257 /* accept management/data */
2258 RCR_AMF | RCR_ADF |
2259 /* accept control frame for SW AP needs PS-poll */
2260 RCR_ACF |
2261 /* accept BC/MC/UC */
2262 RCR_AB | RCR_AM | RCR_APM |
2263 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2264 ((u32)7 << RCR_MXDMA_OFFSET) |
2265 /* Rx FIFO Threshold, 7: No Rx threshold. */
2266 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2267 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2268
2269 priv->AcmControl = 0;
2270 priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2271
2272 /* rx related queue */
2273 skb_queue_head_init(&priv->rx_queue);
2274 skb_queue_head_init(&priv->skb_queue);
2275
2276 /* Tx related queue */
2277 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2278 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2279 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2280 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2281 for (i = 0; i < MAX_QUEUE_SIZE; i++)
2282 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2283 priv->rf_set_chan = rtl8192_phy_SwChnl;
2284 }
2285
2286 /* init lock here */
rtl8192_init_priv_lock(struct r8192_priv * priv)2287 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2288 {
2289 spin_lock_init(&priv->tx_lock);
2290 spin_lock_init(&priv->irq_lock);
2291 mutex_init(&priv->wx_mutex);
2292 mutex_init(&priv->mutex);
2293 }
2294
2295 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2296
2297 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2298 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2299 #define DRV_NAME "wlan0"
rtl8192_init_priv_task(struct net_device * dev)2300 static void rtl8192_init_priv_task(struct net_device *dev)
2301 {
2302 struct r8192_priv *priv = ieee80211_priv(dev);
2303
2304
2305 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2306
2307 INIT_DELAYED_WORK(&priv->watch_dog_wq,
2308 rtl819x_watchdog_wqcallback);
2309 INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2310 dm_txpower_trackingcallback);
2311 INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2312 dm_rf_pathcheck_workitemcallback);
2313 INIT_DELAYED_WORK(&priv->update_beacon_wq,
2314 rtl8192_update_beacon);
2315 INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2316 InitialGainOperateWorkItemCallBack);
2317 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2318
2319 tasklet_init(&priv->irq_rx_tasklet,
2320 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2321 (unsigned long)priv);
2322 }
2323
rtl8192_get_eeprom_size(struct net_device * dev)2324 static void rtl8192_get_eeprom_size(struct net_device *dev)
2325 {
2326 u16 curCR = 0;
2327 struct r8192_priv *priv = ieee80211_priv(dev);
2328
2329 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2330 read_nic_word_E(dev, EPROM_CMD, &curCR);
2331 RT_TRACE(COMP_EPROM,
2332 "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2333 /* whether need I consider BIT(5?) */
2334 priv->epromtype =
2335 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2336 RT_TRACE(COMP_EPROM,
2337 "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2338 }
2339
2340 /* used to swap endian. as ntohl & htonl are not necessary
2341 * to swap endian, so use this instead.
2342 */
endian_swap(u16 * data)2343 static inline u16 endian_swap(u16 *data)
2344 {
2345 u16 tmp = *data;
2346 *data = (tmp >> 8) | (tmp << 8);
2347 return *data;
2348 }
2349
rtl8192_read_eeprom_info(struct net_device * dev)2350 static int rtl8192_read_eeprom_info(struct net_device *dev)
2351 {
2352 u16 wEPROM_ID = 0;
2353 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2354 u8 bLoad_From_EEPOM = false;
2355 struct r8192_priv *priv = ieee80211_priv(dev);
2356 u16 tmpValue = 0;
2357 int i;
2358 int ret;
2359
2360 RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2361 ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2362 if (ret < 0)
2363 return ret;
2364 wEPROM_ID = (u16)ret;
2365 RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2366
2367 if (wEPROM_ID != RTL8190_EEPROM_ID)
2368 RT_TRACE(COMP_ERR,
2369 "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2370 wEPROM_ID, RTL8190_EEPROM_ID);
2371 else
2372 bLoad_From_EEPOM = true;
2373
2374 if (bLoad_From_EEPOM) {
2375 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2376 ret = eprom_read(dev, EEPROM_VID >> 1);
2377 if (ret < 0)
2378 return ret;
2379 tmpValue = (u16)ret;
2380 priv->eeprom_vid = endian_swap(&tmpValue);
2381 ret = eprom_read(dev, EEPROM_PID >> 1);
2382 if (ret < 0)
2383 return ret;
2384 priv->eeprom_pid = (u16)ret;
2385 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2386 if (ret < 0)
2387 return ret;
2388 tmpValue = (u16)ret;
2389 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2390 priv->btxpowerdata_readfromEEPORM = true;
2391 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2392 if (ret < 0)
2393 return ret;
2394 priv->eeprom_CustomerID = (u16)ret;
2395 } else {
2396 priv->eeprom_vid = 0;
2397 priv->eeprom_pid = 0;
2398 priv->card_8192_version = VERSION_819xU_B;
2399 priv->eeprom_ChannelPlan = 0;
2400 priv->eeprom_CustomerID = 0;
2401 }
2402 RT_TRACE(COMP_EPROM,
2403 "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2404 priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2405 priv->eeprom_ChannelPlan);
2406 /* set channelplan from eeprom */
2407 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2408 if (bLoad_From_EEPOM) {
2409 int i;
2410
2411 for (i = 0; i < 6; i += 2) {
2412 ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2413 if (ret < 0)
2414 return ret;
2415 *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2416 }
2417 } else {
2418 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2419 /* should I set IDR0 here? */
2420 }
2421 RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2422 priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2423 priv->rf_chip = RF_8256;
2424
2425 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2426 /* read Tx power gain offset of legacy OFDM to HT rate */
2427 if (bLoad_From_EEPOM) {
2428 ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2429 if (ret < 0)
2430 return ret;
2431 priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2432 } else
2433 priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2434 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2435 /* read ThermalMeter from EEPROM */
2436 if (bLoad_From_EEPOM) {
2437 ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2438 if (ret < 0)
2439 return ret;
2440 priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2441 } else
2442 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2443 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2444 /* for tx power track */
2445 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2446 /* read antenna tx power offset of B/C/D to A from EEPROM */
2447 if (bLoad_From_EEPOM) {
2448 ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2449 if (ret < 0)
2450 return ret;
2451 priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2452 } else
2453 priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2454 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2455 /* Read CrystalCap from EEPROM */
2456 if (bLoad_From_EEPOM) {
2457 ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2458 if (ret < 0)
2459 return ret;
2460 priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2461 } else
2462 priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2463 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2464 /* get per-channel Tx power level */
2465 if (bLoad_From_EEPOM) {
2466 ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2467 if (ret < 0)
2468 return ret;
2469 priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2470 } else
2471 priv->EEPROM_Def_Ver = 1;
2472 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2473 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2474 int i;
2475
2476 if (bLoad_From_EEPOM) {
2477 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2478 if (ret < 0)
2479 return ret;
2480 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2481 } else
2482 priv->EEPROMTxPowerLevelCCK = 0x10;
2483 RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2484 for (i = 0; i < 3; i++) {
2485 if (bLoad_From_EEPOM) {
2486 ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2487 if (ret < 0)
2488 return ret;
2489 if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2490 tmpValue = (u16)ret & 0x00ff;
2491 else
2492 tmpValue = ((u16)ret & 0xff00) >> 8;
2493 } else {
2494 tmpValue = 0x10;
2495 }
2496 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2497 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2498 }
2499 } else if (priv->EEPROM_Def_Ver == 1) {
2500 if (bLoad_From_EEPOM) {
2501 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2502 if (ret < 0)
2503 return ret;
2504 tmpValue = ((u16)ret & 0xff00) >> 8;
2505 } else {
2506 tmpValue = 0x10;
2507 }
2508 priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2509
2510 if (bLoad_From_EEPOM) {
2511 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2512 if (ret < 0)
2513 return ret;
2514 tmpValue = (u16)ret;
2515 } else
2516 tmpValue = 0x1010;
2517 *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2518 if (bLoad_From_EEPOM)
2519 tmpValue = eprom_read(dev,
2520 EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2521 else
2522 tmpValue = 0x1010;
2523 *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2524 if (bLoad_From_EEPOM)
2525 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2526 else
2527 tmpValue = 0x10;
2528 priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2529 } /* endif EEPROM_Def_Ver == 1 */
2530
2531 /* update HAL variables */
2532 for (i = 0; i < 14; i++) {
2533 if (i <= 3)
2534 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2535 else if (i >= 4 && i <= 9)
2536 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2537 else
2538 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2539 }
2540
2541 for (i = 0; i < 14; i++) {
2542 if (priv->EEPROM_Def_Ver == 0) {
2543 if (i <= 3)
2544 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2545 else if (i >= 4 && i <= 9)
2546 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2547 else
2548 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2549 } else if (priv->EEPROM_Def_Ver == 1) {
2550 if (i <= 3)
2551 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2552 else if (i >= 4 && i <= 9)
2553 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2554 else
2555 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2556 }
2557 }
2558 priv->TxPowerDiff = priv->EEPROMPwDiff;
2559 /* Antenna B gain offset to antenna A, bit0~3 */
2560 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2561 /* Antenna C gain offset to antenna A, bit4~7 */
2562 priv->AntennaTxPwDiff[1] =
2563 (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2564 /* CrystalCap, bit12~15 */
2565 priv->CrystalCap = priv->EEPROMCrystalCap;
2566 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2567 * 92U does not enable TX power tracking.
2568 */
2569 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2570 } /* end if VersionID == VERSION_819xU_A */
2571
2572 /* for dlink led */
2573 switch (priv->eeprom_CustomerID) {
2574 case EEPROM_CID_RUNTOP:
2575 priv->CustomerID = RT_CID_819x_RUNTOP;
2576 break;
2577
2578 case EEPROM_CID_DLINK:
2579 priv->CustomerID = RT_CID_DLINK;
2580 break;
2581
2582 default:
2583 priv->CustomerID = RT_CID_DEFAULT;
2584 break;
2585 }
2586
2587 switch (priv->CustomerID) {
2588 case RT_CID_819x_RUNTOP:
2589 priv->LedStrategy = SW_LED_MODE2;
2590 break;
2591
2592 case RT_CID_DLINK:
2593 priv->LedStrategy = SW_LED_MODE4;
2594 break;
2595
2596 default:
2597 priv->LedStrategy = SW_LED_MODE0;
2598 break;
2599 }
2600
2601
2602 if (priv->rf_type == RF_1T2R)
2603 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2604 else
2605 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2606
2607 /* We can only know RF type in the function. So we have to init
2608 * DIG RATR table again.
2609 */
2610 init_rate_adaptive(dev);
2611
2612 RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2613
2614 return 0;
2615 }
2616
rtl8192_get_channel_map(struct net_device * dev)2617 static short rtl8192_get_channel_map(struct net_device *dev)
2618 {
2619 struct r8192_priv *priv = ieee80211_priv(dev);
2620
2621 if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2622 netdev_err(dev,
2623 "rtl8180_init: Error channel plan! Set to default.\n");
2624 priv->ChannelPlan = 0;
2625 }
2626 RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2627
2628 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2629 return 0;
2630 }
2631
rtl8192_init(struct net_device * dev)2632 static short rtl8192_init(struct net_device *dev)
2633 {
2634 struct r8192_priv *priv = ieee80211_priv(dev);
2635 int err;
2636
2637 memset(&(priv->stats), 0, sizeof(struct Stats));
2638 memset(priv->txqueue_to_outpipemap, 0, 9);
2639 #ifdef PIPE12
2640 {
2641 int i = 0;
2642 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2643
2644 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2645 }
2646 #else
2647 {
2648 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2649
2650 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2651 }
2652 #endif
2653 rtl8192_init_priv_variable(dev);
2654 rtl8192_init_priv_lock(priv);
2655 rtl8192_init_priv_task(dev);
2656 rtl8192_get_eeprom_size(dev);
2657 err = rtl8192_read_eeprom_info(dev);
2658 if (err) {
2659 DMESG("Reading EEPROM info failed");
2660 return err;
2661 }
2662 rtl8192_get_channel_map(dev);
2663 init_hal_dm(dev);
2664 timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2665 if (rtl8192_usb_initendpoints(dev) != 0) {
2666 DMESG("Endopoints initialization failed");
2667 return -ENOMEM;
2668 }
2669
2670 return 0;
2671 }
2672
2673 /******************************************************************************
2674 *function: This function actually only set RRSR, RATR and BW_OPMODE registers
2675 * not to do all the hw config as its name says
2676 * input: net_device dev
2677 * output: none
2678 * return: none
2679 * notice: This part need to modified according to the rate set we filtered
2680 * ****************************************************************************/
rtl8192_hwconfig(struct net_device * dev)2681 static void rtl8192_hwconfig(struct net_device *dev)
2682 {
2683 u32 regRATR = 0, regRRSR = 0;
2684 u8 regBwOpMode = 0, regTmp = 0;
2685 struct r8192_priv *priv = ieee80211_priv(dev);
2686 u32 ratr_value = 0;
2687
2688 /* Set RRSR, RATR, and BW_OPMODE registers */
2689 switch (priv->ieee80211->mode) {
2690 case WIRELESS_MODE_B:
2691 regBwOpMode = BW_OPMODE_20MHZ;
2692 regRATR = RATE_ALL_CCK;
2693 regRRSR = RATE_ALL_CCK;
2694 break;
2695 case WIRELESS_MODE_A:
2696 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2697 regRATR = RATE_ALL_OFDM_AG;
2698 regRRSR = RATE_ALL_OFDM_AG;
2699 break;
2700 case WIRELESS_MODE_G:
2701 regBwOpMode = BW_OPMODE_20MHZ;
2702 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2703 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2704 break;
2705 case WIRELESS_MODE_AUTO:
2706 #ifdef TO_DO_LIST
2707 if (Adapter->bInHctTest) {
2708 regBwOpMode = BW_OPMODE_20MHZ;
2709 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2710 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2711 } else
2712 #endif
2713 {
2714 regBwOpMode = BW_OPMODE_20MHZ;
2715 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2716 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2717 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2718 }
2719 break;
2720 case WIRELESS_MODE_N_24G:
2721 /* It support CCK rate by default. CCK rate will be filtered
2722 * out only when associated AP does not support it.
2723 */
2724 regBwOpMode = BW_OPMODE_20MHZ;
2725 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2726 RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2727 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2728 break;
2729 case WIRELESS_MODE_N_5G:
2730 regBwOpMode = BW_OPMODE_5G;
2731 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2732 RATE_ALL_OFDM_2SS;
2733 regRRSR = RATE_ALL_OFDM_AG;
2734 break;
2735 }
2736
2737 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2738 ratr_value = regRATR;
2739 if (priv->rf_type == RF_1T2R)
2740 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2741 write_nic_dword(dev, RATR0, ratr_value);
2742 write_nic_byte(dev, UFWP, 1);
2743 read_nic_byte(dev, 0x313, ®Tmp);
2744 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2745 write_nic_dword(dev, RRSR, regRRSR);
2746
2747 /* Set Retry Limit here */
2748 write_nic_word(dev, RETRY_LIMIT,
2749 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2750 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2751 /* Set Contention Window here */
2752
2753 /* Set Tx AGC */
2754
2755 /* Set Tx Antenna including Feedback control */
2756
2757 /* Set Auto Rate fallback control */
2758 }
2759
2760
2761 /* InitializeAdapter and PhyCfg */
rtl8192_adapter_start(struct net_device * dev)2762 static bool rtl8192_adapter_start(struct net_device *dev)
2763 {
2764 struct r8192_priv *priv = ieee80211_priv(dev);
2765 u32 dwRegRead = 0;
2766 bool init_status = true;
2767 u8 SECR_value = 0x0;
2768 u8 tmp;
2769
2770 RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2771 priv->Rf_Mode = RF_OP_By_SW_3wire;
2772 /* for ASIC power on sequence */
2773 write_nic_byte_E(dev, 0x5f, 0x80);
2774 mdelay(50);
2775 write_nic_byte_E(dev, 0x5f, 0xf0);
2776 write_nic_byte_E(dev, 0x5d, 0x00);
2777 write_nic_byte_E(dev, 0x5e, 0x80);
2778 write_nic_byte(dev, 0x17, 0x37);
2779 mdelay(10);
2780 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2781 /* config CPUReset Register */
2782 /* Firmware Reset or not? */
2783 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2784 if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2785 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2786 else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2787 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2788 else
2789 RT_TRACE(COMP_ERR,
2790 "ERROR in %s(): undefined firmware state(%d)\n",
2791 __func__, priv->pFirmware->firmware_status);
2792
2793 write_nic_dword(dev, CPU_GEN, dwRegRead);
2794 /* config BB. */
2795 rtl8192_BBConfig(dev);
2796
2797 /* Loopback mode or not */
2798 priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2799
2800 read_nic_dword(dev, CPU_GEN, &dwRegRead);
2801 if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2802 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2803 CPU_GEN_NO_LOOPBACK_SET;
2804 else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2805 dwRegRead |= CPU_CCK_LOOPBACK;
2806 else
2807 RT_TRACE(COMP_ERR,
2808 "Serious error in %s(): wrong loopback mode setting(%d)\n",
2809 __func__, priv->LoopbackMode);
2810
2811 write_nic_dword(dev, CPU_GEN, dwRegRead);
2812
2813 /* after reset cpu, we need wait for a seconds to write in register. */
2814 udelay(500);
2815
2816 /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2817 read_nic_byte_E(dev, 0x5f, &tmp);
2818 write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2819
2820 /* Set Hardware */
2821 rtl8192_hwconfig(dev);
2822
2823 /* turn on Tx/Rx */
2824 write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2825
2826 /* set IDR0 here */
2827 write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2828 write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2829
2830 /* set RCR */
2831 write_nic_dword(dev, RCR, priv->ReceiveConfig);
2832
2833 /* Initialize Number of Reserved Pages in Firmware Queue */
2834 write_nic_dword(dev, RQPN1,
2835 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2836 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2837 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2838 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2839 write_nic_dword(dev, RQPN2,
2840 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2841 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2842 write_nic_dword(dev, RQPN3,
2843 APPLIED_RESERVED_QUEUE_IN_FW |
2844 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2845 write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2846
2847 /* Set AckTimeout */
2848 /* TODO: (it value is only for FPGA version). need to be changed!! */
2849 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2850
2851 if (priv->ResetProgress == RESET_TYPE_NORESET)
2852 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2853 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2854 CamResetAllEntry(dev);
2855 SECR_value |= SCR_TxEncEnable;
2856 SECR_value |= SCR_RxDecEnable;
2857 SECR_value |= SCR_NoSKMC;
2858 write_nic_byte(dev, SECR, SECR_value);
2859 }
2860
2861 /* Beacon related */
2862 write_nic_word(dev, ATIMWND, 2);
2863 write_nic_word(dev, BCN_INTERVAL, 100);
2864
2865 #define DEFAULT_EDCA 0x005e4332
2866 {
2867 int i;
2868
2869 for (i = 0; i < QOS_QUEUE_NUM; i++)
2870 write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2871 }
2872
2873 rtl8192_phy_configmac(dev);
2874
2875 if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2876 rtl8192_phy_getTxPower(dev);
2877 rtl8192_phy_setTxPower(dev, priv->chan);
2878 }
2879
2880 /* Firmware download */
2881 init_status = init_firmware(dev);
2882 if (!init_status) {
2883 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2884 __func__);
2885 return init_status;
2886 }
2887 RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2888
2889 #ifdef TO_DO_LIST
2890 if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2891 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2892 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2893 ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2894 MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2895 /* Those actions will be discard in MgntActSet_RF_State
2896 * because of the same state
2897 */
2898 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2899 PHY_SetRFReg(Adapter,
2900 (enum rf90_radio_path_e)eRFPath,
2901 0x4, 0xC00, 0x0);
2902 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2903 /* H/W or S/W RF OFF before sleep. */
2904 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2905 ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2906 pMgntInfo->RfOffReason));
2907 MgntActSet_RF_State(Adapter,
2908 eRfOff,
2909 pMgntInfo->RfOffReason);
2910 } else {
2911 pHalData->eRFPowerState = eRfOn;
2912 pMgntInfo->RfOffReason = 0;
2913 RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2914 ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2915 }
2916 } else {
2917 if (pHalData->eRFPowerState == eRfOff) {
2918 MgntActSet_RF_State(Adapter,
2919 eRfOff,
2920 pMgntInfo->RfOffReason);
2921 /* Those actions will be discard in MgntActSet_RF_State
2922 * because of the same state
2923 */
2924 for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2925 PHY_SetRFReg(Adapter,
2926 (enum rf90_radio_path_e)eRFPath,
2927 0x4, 0xC00, 0x0);
2928 }
2929 }
2930 #endif
2931 /* config RF. */
2932 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2933 rtl8192_phy_RFConfig(dev);
2934 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2935 }
2936
2937
2938 if (priv->ieee80211->FwRWRF)
2939 /* We can force firmware to do RF-R/W */
2940 priv->Rf_Mode = RF_OP_By_FW;
2941 else
2942 priv->Rf_Mode = RF_OP_By_SW_3wire;
2943
2944
2945 rtl8192_phy_updateInitGain(dev);
2946 /*--set CCK and OFDM Block "ON"--*/
2947 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2948 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2949
2950 if (priv->ResetProgress == RESET_TYPE_NORESET) {
2951 /* if D or C cut */
2952 u8 tmpvalue;
2953
2954 read_nic_byte(dev, 0x301, &tmpvalue);
2955 if (tmpvalue == 0x03) {
2956 priv->bDcut = true;
2957 RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2958 } else {
2959 priv->bDcut = false;
2960 RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2961 }
2962 dm_initialize_txpower_tracking(dev);
2963
2964 if (priv->bDcut) {
2965 u32 i, TempCCk;
2966 u32 tmpRegA = rtl8192_QueryBBReg(dev,
2967 rOFDM0_XATxIQImbalance,
2968 bMaskDWord);
2969
2970 for (i = 0; i < TxBBGainTableLength; i++) {
2971 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2972 priv->rfa_txpowertrackingindex = (u8)i;
2973 priv->rfa_txpowertrackingindex_real =
2974 (u8)i;
2975 priv->rfa_txpowertracking_default =
2976 priv->rfa_txpowertrackingindex;
2977 break;
2978 }
2979 }
2980
2981 TempCCk = rtl8192_QueryBBReg(dev,
2982 rCCK0_TxFilter1,
2983 bMaskByte2);
2984
2985 for (i = 0; i < CCKTxBBGainTableLength; i++) {
2986 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2987 priv->cck_present_attenuation_20Mdefault = (u8)i;
2988 break;
2989 }
2990 }
2991 priv->cck_present_attenuation_40Mdefault = 0;
2992 priv->cck_present_attenuation_difference = 0;
2993 priv->cck_present_attenuation =
2994 priv->cck_present_attenuation_20Mdefault;
2995 }
2996 }
2997 write_nic_byte(dev, 0x87, 0x0);
2998
2999
3000 return init_status;
3001 }
3002
3003 /* this configures registers for beacon tx and enables it via
3004 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3005 * be used to stop beacon transmission
3006 */
3007 /***************************************************************************
3008 * -------------------------------NET STUFF---------------------------
3009 ***************************************************************************/
3010
rtl8192_stats(struct net_device * dev)3011 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3012 {
3013 struct r8192_priv *priv = ieee80211_priv(dev);
3014
3015 return &priv->ieee80211->stats;
3016 }
3017
HalTxCheckStuck819xUsb(struct net_device * dev)3018 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3019 {
3020 struct r8192_priv *priv = ieee80211_priv(dev);
3021 u16 RegTxCounter;
3022 bool bStuck = false;
3023
3024 read_nic_word(dev, 0x128, &RegTxCounter);
3025 RT_TRACE(COMP_RESET,
3026 "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3027 RegTxCounter, priv->TxCounter);
3028 if (priv->TxCounter == RegTxCounter)
3029 bStuck = true;
3030
3031 priv->TxCounter = RegTxCounter;
3032
3033 return bStuck;
3034 }
3035
3036 /*
3037 * <Assumption: RT_TX_SPINLOCK is acquired.>
3038 * First added: 2006.11.19 by emily
3039 */
TxCheckStuck(struct net_device * dev)3040 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3041 {
3042 struct r8192_priv *priv = ieee80211_priv(dev);
3043 u8 QueueID;
3044 bool bCheckFwTxCnt = false;
3045
3046 /* Decide such threshold according to current power save mode */
3047
3048 for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3049 if (QueueID == TXCMD_QUEUE)
3050 continue;
3051 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3052 continue;
3053
3054 bCheckFwTxCnt = true;
3055 }
3056 if (bCheckFwTxCnt) {
3057 if (HalTxCheckStuck819xUsb(dev)) {
3058 RT_TRACE(COMP_RESET,
3059 "%s: Fw indicates no Tx condition!\n",
3060 __func__);
3061 return RESET_TYPE_SILENT;
3062 }
3063 }
3064 return RESET_TYPE_NORESET;
3065 }
3066
HalRxCheckStuck819xUsb(struct net_device * dev)3067 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3068 {
3069 u16 RegRxCounter;
3070 struct r8192_priv *priv = ieee80211_priv(dev);
3071 bool bStuck = false;
3072 static u8 rx_chk_cnt;
3073
3074 read_nic_word(dev, 0x130, &RegRxCounter);
3075 RT_TRACE(COMP_RESET,
3076 "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3077 RegRxCounter, priv->RxCounter);
3078 /* If rssi is small, we should check rx for long time because of bad rx.
3079 * or maybe it will continuous silent reset every 2 seconds.
3080 */
3081 rx_chk_cnt++;
3082 if (priv->undecorated_smoothed_pwdb >= (RATE_ADAPTIVE_TH_HIGH + 5)) {
3083 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3084 } else if (priv->undecorated_smoothed_pwdb < (RATE_ADAPTIVE_TH_HIGH + 5) &&
3085 ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_40M) ||
3086 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RATE_ADAPTIVE_TH_LOW_20M))) {
3087 if (rx_chk_cnt < 2)
3088 return bStuck;
3089
3090 rx_chk_cnt = 0;
3091 } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_40M) ||
3092 (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RATE_ADAPTIVE_TH_LOW_20M)) &&
3093 priv->undecorated_smoothed_pwdb >= VERY_LOW_RSSI) {
3094 if (rx_chk_cnt < 4)
3095 return bStuck;
3096
3097 rx_chk_cnt = 0;
3098 } else {
3099 if (rx_chk_cnt < 8)
3100 return bStuck;
3101
3102 rx_chk_cnt = 0;
3103 }
3104
3105 if (priv->RxCounter == RegRxCounter)
3106 bStuck = true;
3107
3108 priv->RxCounter = RegRxCounter;
3109
3110 return bStuck;
3111 }
3112
RxCheckStuck(struct net_device * dev)3113 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3114 {
3115 struct r8192_priv *priv = ieee80211_priv(dev);
3116 bool bRxCheck = false;
3117
3118 if (priv->IrpPendingCount > 1)
3119 bRxCheck = true;
3120
3121 if (bRxCheck) {
3122 if (HalRxCheckStuck819xUsb(dev)) {
3123 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3124 return RESET_TYPE_SILENT;
3125 }
3126 }
3127 return RESET_TYPE_NORESET;
3128 }
3129
3130
3131 /**
3132 * This function is called by Checkforhang to check whether we should
3133 * ask OS to reset driver
3134 *
3135 * \param pAdapter The adapter context for this miniport
3136 *
3137 * Note:NIC with USB interface sholud not call this function because we
3138 * cannot scan descriptor to judge whether there is tx stuck.
3139 * Note: This function may be required to be rewrite for Vista OS.
3140 * <<<Assumption: Tx spinlock has been acquired >>>
3141 *
3142 * 8185 and 8185b does not implement this function.
3143 */
rtl819x_ifcheck_resetornot(struct net_device * dev)3144 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3145 {
3146 struct r8192_priv *priv = ieee80211_priv(dev);
3147 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3148 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3149 RT_RF_POWER_STATE rfState;
3150
3151 rfState = priv->ieee80211->eRFPowerState;
3152
3153 TxResetType = TxCheckStuck(dev);
3154 if (rfState != eRfOff ||
3155 (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3156 /* If driver is in the status of firmware download failure,
3157 * driver skips RF initialization and RF is in turned off
3158 * state. Driver should check whether Rx stuck and do silent
3159 * reset. And if driver is in firmware download failure status,
3160 * driver should initialize RF in the following silent reset
3161 * procedure
3162 *
3163 * Driver should not check RX stuck in IBSS mode because it is
3164 * required to set Check BSSID in order to send beacon,
3165 * however, if check BSSID is set, STA cannot hear any packet
3166 * at all.
3167 */
3168 RxResetType = RxCheckStuck(dev);
3169 }
3170 if (TxResetType == RESET_TYPE_NORMAL ||
3171 RxResetType == RESET_TYPE_NORMAL) {
3172 return RESET_TYPE_NORMAL;
3173 } else if (TxResetType == RESET_TYPE_SILENT ||
3174 RxResetType == RESET_TYPE_SILENT) {
3175 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3176 return RESET_TYPE_SILENT;
3177 } else {
3178 return RESET_TYPE_NORESET;
3179 }
3180 }
3181
3182 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3183 static int _rtl8192_up(struct net_device *dev);
3184 static int rtl8192_close(struct net_device *dev);
3185
3186
3187
CamRestoreAllEntry(struct net_device * dev)3188 static void CamRestoreAllEntry(struct net_device *dev)
3189 {
3190 u8 EntryId = 0;
3191 struct r8192_priv *priv = ieee80211_priv(dev);
3192 u8 *MacAddr = priv->ieee80211->current_network.bssid;
3193
3194 static u8 CAM_CONST_ADDR[4][6] = {
3195 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3196 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3197 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3198 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3199 static u8 CAM_CONST_BROAD[] = {
3200 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3201
3202 RT_TRACE(COMP_SEC, "%s:\n", __func__);
3203
3204
3205 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3206 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3207 for (EntryId = 0; EntryId < 4; EntryId++) {
3208 MacAddr = CAM_CONST_ADDR[EntryId];
3209 setKey(dev, EntryId, EntryId,
3210 priv->ieee80211->pairwise_key_type,
3211 MacAddr, 0, NULL);
3212 }
3213
3214 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3215 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3216 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3217 (u8 *)dev->dev_addr, 0, NULL);
3218 else
3219 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3220 MacAddr, 0, NULL);
3221 } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3222 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3223 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3224 (u8 *)dev->dev_addr, 0, NULL);
3225 else
3226 setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3227 MacAddr, 0, NULL);
3228 }
3229
3230
3231
3232 if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3233 MacAddr = CAM_CONST_BROAD;
3234 for (EntryId = 1; EntryId < 4; EntryId++) {
3235 setKey(dev, EntryId, EntryId,
3236 priv->ieee80211->group_key_type,
3237 MacAddr, 0, NULL);
3238 }
3239 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3240 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3241 CAM_CONST_ADDR[0], 0, NULL);
3242 } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3243 MacAddr = CAM_CONST_BROAD;
3244 for (EntryId = 1; EntryId < 4; EntryId++) {
3245 setKey(dev, EntryId, EntryId,
3246 priv->ieee80211->group_key_type,
3247 MacAddr, 0, NULL);
3248 }
3249
3250 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3251 setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3252 CAM_CONST_ADDR[0], 0, NULL);
3253 }
3254 }
3255
3256 /* This function is used to fix Tx/Rx stop bug temporarily.
3257 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3258 * The method checking Tx/Rx stuck of this function is supported by FW,
3259 * which reports Tx and Rx counter to register 0x128 and 0x130.
3260 */
rtl819x_ifsilentreset(struct net_device * dev)3261 static void rtl819x_ifsilentreset(struct net_device *dev)
3262 {
3263 struct r8192_priv *priv = ieee80211_priv(dev);
3264 u8 reset_times = 0;
3265 int reset_status = 0;
3266 struct ieee80211_device *ieee = priv->ieee80211;
3267
3268
3269 /* If we need to check CCK stop, please uncomment this line. */
3270 /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3271
3272 if (priv->ResetProgress == RESET_TYPE_NORESET) {
3273 RESET_START:
3274
3275 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3276
3277 /* Set the variable for reset. */
3278 priv->ResetProgress = RESET_TYPE_SILENT;
3279 mutex_lock(&priv->wx_mutex);
3280 if (priv->up == 0) {
3281 RT_TRACE(COMP_ERR,
3282 "%s():the driver is not up! return\n",
3283 __func__);
3284 mutex_unlock(&priv->wx_mutex);
3285 return;
3286 }
3287 priv->up = 0;
3288 RT_TRACE(COMP_RESET,
3289 "%s():======>start to down the driver\n",
3290 __func__);
3291
3292 rtl8192_rtx_disable(dev);
3293 rtl8192_cancel_deferred_work(priv);
3294 deinit_hal_dm(dev);
3295 del_timer_sync(&priv->watch_dog_timer);
3296
3297 ieee->sync_scan_hurryup = 1;
3298 if (ieee->state == IEEE80211_LINKED) {
3299 mutex_lock(&ieee->wx_mutex);
3300 netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3301 ieee80211_stop_send_beacons(priv->ieee80211);
3302 del_timer_sync(&ieee->associate_timer);
3303 cancel_delayed_work(&ieee->associate_retry_wq);
3304 ieee80211_stop_scan(ieee);
3305 netif_carrier_off(dev);
3306 mutex_unlock(&ieee->wx_mutex);
3307 } else {
3308 netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3309 ieee80211_softmac_stop_protocol(priv->ieee80211);
3310 }
3311 mutex_unlock(&priv->wx_mutex);
3312 RT_TRACE(COMP_RESET,
3313 "%s():<==========down process is finished\n",
3314 __func__);
3315 RT_TRACE(COMP_RESET,
3316 "%s():===========>start up the driver\n",
3317 __func__);
3318 reset_status = _rtl8192_up(dev);
3319
3320 RT_TRACE(COMP_RESET,
3321 "%s():<===========up process is finished\n",
3322 __func__);
3323 if (reset_status == -EAGAIN) {
3324 if (reset_times < 3) {
3325 reset_times++;
3326 goto RESET_START;
3327 } else {
3328 RT_TRACE(COMP_ERR,
3329 " ERR!!! %s(): Reset Failed!!\n",
3330 __func__);
3331 }
3332 }
3333 ieee->is_silent_reset = 1;
3334 EnableHWSecurityConfig8192(dev);
3335 if (ieee->state == IEEE80211_LINKED &&
3336 ieee->iw_mode == IW_MODE_INFRA) {
3337 ieee->set_chan(ieee->dev,
3338 ieee->current_network.channel);
3339
3340 queue_work(ieee->wq, &ieee->associate_complete_wq);
3341
3342 } else if (ieee->state == IEEE80211_LINKED &&
3343 ieee->iw_mode == IW_MODE_ADHOC) {
3344 ieee->set_chan(ieee->dev,
3345 ieee->current_network.channel);
3346 ieee->link_change(ieee->dev);
3347
3348 ieee80211_start_send_beacons(ieee);
3349
3350 if (ieee->data_hard_resume)
3351 ieee->data_hard_resume(ieee->dev);
3352 netif_carrier_on(ieee->dev);
3353 }
3354
3355 CamRestoreAllEntry(dev);
3356
3357 priv->ResetProgress = RESET_TYPE_NORESET;
3358 priv->reset_count++;
3359
3360 priv->bForcedSilentReset = false;
3361 priv->bResetInProgress = false;
3362
3363 /* For test --> force write UFWP. */
3364 write_nic_byte(dev, UFWP, 1);
3365 RT_TRACE(COMP_RESET,
3366 "Reset finished!! ====>[%d]\n",
3367 priv->reset_count);
3368 }
3369 }
3370
rtl819x_update_rxcounts(struct r8192_priv * priv,u32 * TotalRxBcnNum,u32 * TotalRxDataNum)3371 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3372 u32 *TotalRxDataNum)
3373 {
3374 u16 SlotIndex;
3375 u8 i;
3376
3377 *TotalRxBcnNum = 0;
3378 *TotalRxDataNum = 0;
3379
3380 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3381 (priv->ieee80211->LinkDetectInfo.SlotNum);
3382 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3383 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3384 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3385 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3386 for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3387 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3388 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3389 }
3390 }
3391
3392
rtl819x_watchdog_wqcallback(struct work_struct * work)3393 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3394 {
3395 struct delayed_work *dwork = to_delayed_work(work);
3396 struct r8192_priv *priv = container_of(dwork,
3397 struct r8192_priv, watch_dog_wq);
3398 struct net_device *dev = priv->ieee80211->dev;
3399 struct ieee80211_device *ieee = priv->ieee80211;
3400 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3401 static u8 check_reset_cnt;
3402 bool bBusyTraffic = false;
3403 u32 TotalRxBcnNum = 0;
3404 u32 TotalRxDataNum = 0;
3405
3406 if (!priv->up)
3407 return;
3408 hal_dm_watchdog(dev);
3409
3410 /* to get busy traffic condition */
3411 if (ieee->state == IEEE80211_LINKED) {
3412 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3413 ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3414 bBusyTraffic = true;
3415 }
3416 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3417 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3418 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3419 }
3420 /* for AP roaming */
3421 if (priv->ieee80211->state == IEEE80211_LINKED &&
3422 priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3423 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3424 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3425 #ifdef TODO
3426 if (rfState == eRfOff)
3427 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3428 #endif
3429 netdev_dbg(dev,
3430 "===>%s(): AP is power off, connect another one\n",
3431 __func__);
3432 priv->ieee80211->state = IEEE80211_ASSOCIATING;
3433 notify_wx_assoc_event(priv->ieee80211);
3434 RemovePeerTS(priv->ieee80211,
3435 priv->ieee80211->current_network.bssid);
3436 priv->ieee80211->link_change(dev);
3437 queue_work(priv->ieee80211->wq,
3438 &priv->ieee80211->associate_procedure_wq);
3439 }
3440 }
3441 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3442 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3443 /* check if reset the driver */
3444 if (check_reset_cnt++ >= 3) {
3445 ResetType = rtl819x_ifcheck_resetornot(dev);
3446 check_reset_cnt = 3;
3447 }
3448 /* This is control by OID set in Pomelo */
3449 if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3450 (priv->bForcedSilentReset ||
3451 (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3452 RT_TRACE(COMP_RESET,
3453 "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3454 __func__, priv->force_reset, priv->ResetProgress,
3455 priv->bForcedSilentReset,
3456 priv->bDisableNormalResetCheck, ResetType);
3457 rtl819x_ifsilentreset(dev);
3458 }
3459 priv->force_reset = false;
3460 priv->bForcedSilentReset = false;
3461 priv->bResetInProgress = false;
3462 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3463 }
3464
watch_dog_timer_callback(struct timer_list * t)3465 static void watch_dog_timer_callback(struct timer_list *t)
3466 {
3467 struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
3468
3469 schedule_delayed_work(&priv->watch_dog_wq, 0);
3470 mod_timer(&priv->watch_dog_timer,
3471 jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3472 }
3473
_rtl8192_up(struct net_device * dev)3474 static int _rtl8192_up(struct net_device *dev)
3475 {
3476 struct r8192_priv *priv = ieee80211_priv(dev);
3477 int init_status = 0;
3478
3479 priv->up = 1;
3480 priv->ieee80211->ieee_up = 1;
3481 RT_TRACE(COMP_INIT, "Bringing up iface");
3482 init_status = rtl8192_adapter_start(dev);
3483 if (!init_status) {
3484 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3485 __func__);
3486 priv->up = priv->ieee80211->ieee_up = 0;
3487 return -EAGAIN;
3488 }
3489 RT_TRACE(COMP_INIT, "start adapter finished\n");
3490 rtl8192_rx_enable(dev);
3491 if (priv->ieee80211->state != IEEE80211_LINKED)
3492 ieee80211_softmac_start_protocol(priv->ieee80211);
3493 ieee80211_reset_queue(priv->ieee80211);
3494 watch_dog_timer_callback(&priv->watch_dog_timer);
3495 if (!netif_queue_stopped(dev))
3496 netif_start_queue(dev);
3497 else
3498 netif_wake_queue(dev);
3499
3500 return 0;
3501 }
3502
3503
rtl8192_open(struct net_device * dev)3504 static int rtl8192_open(struct net_device *dev)
3505 {
3506 struct r8192_priv *priv = ieee80211_priv(dev);
3507 int ret;
3508
3509 mutex_lock(&priv->wx_mutex);
3510 ret = rtl8192_up(dev);
3511 mutex_unlock(&priv->wx_mutex);
3512 return ret;
3513 }
3514
3515
rtl8192_up(struct net_device * dev)3516 int rtl8192_up(struct net_device *dev)
3517 {
3518 struct r8192_priv *priv = ieee80211_priv(dev);
3519
3520 if (priv->up == 1)
3521 return -1;
3522
3523 return _rtl8192_up(dev);
3524 }
3525
3526
rtl8192_close(struct net_device * dev)3527 static int rtl8192_close(struct net_device *dev)
3528 {
3529 struct r8192_priv *priv = ieee80211_priv(dev);
3530 int ret;
3531
3532 mutex_lock(&priv->wx_mutex);
3533
3534 ret = rtl8192_down(dev);
3535
3536 mutex_unlock(&priv->wx_mutex);
3537
3538 return ret;
3539 }
3540
rtl8192_down(struct net_device * dev)3541 int rtl8192_down(struct net_device *dev)
3542 {
3543 struct r8192_priv *priv = ieee80211_priv(dev);
3544 int i;
3545
3546 if (priv->up == 0)
3547 return -1;
3548
3549 priv->up = 0;
3550 priv->ieee80211->ieee_up = 0;
3551 RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3552 /* FIXME */
3553 if (!netif_queue_stopped(dev))
3554 netif_stop_queue(dev);
3555
3556 rtl8192_rtx_disable(dev);
3557
3558 /* Tx related queue release */
3559 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3560 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3561 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3562 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3563
3564 for (i = 0; i < MAX_QUEUE_SIZE; i++)
3565 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3566
3567 /* as cancel_delayed_work will del work->timer, so if work is not
3568 * defined as struct delayed_work, it will corrupt
3569 */
3570 rtl8192_cancel_deferred_work(priv);
3571 deinit_hal_dm(dev);
3572 del_timer_sync(&priv->watch_dog_timer);
3573
3574
3575 ieee80211_softmac_stop_protocol(priv->ieee80211);
3576 memset(&priv->ieee80211->current_network, 0,
3577 offsetof(struct ieee80211_network, list));
3578 RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3579
3580 return 0;
3581 }
3582
3583
rtl8192_commit(struct net_device * dev)3584 void rtl8192_commit(struct net_device *dev)
3585 {
3586 struct r8192_priv *priv = ieee80211_priv(dev);
3587 int reset_status = 0;
3588
3589 if (priv->up == 0)
3590 return;
3591 priv->up = 0;
3592
3593 rtl8192_cancel_deferred_work(priv);
3594 del_timer_sync(&priv->watch_dog_timer);
3595
3596 ieee80211_softmac_stop_protocol(priv->ieee80211);
3597
3598 rtl8192_rtx_disable(dev);
3599 reset_status = _rtl8192_up(dev);
3600 }
3601
rtl8192_restart(struct work_struct * work)3602 static void rtl8192_restart(struct work_struct *work)
3603 {
3604 struct r8192_priv *priv = container_of(work, struct r8192_priv,
3605 reset_wq);
3606 struct net_device *dev = priv->ieee80211->dev;
3607
3608 mutex_lock(&priv->wx_mutex);
3609
3610 rtl8192_commit(dev);
3611
3612 mutex_unlock(&priv->wx_mutex);
3613 }
3614
r8192_set_multicast(struct net_device * dev)3615 static void r8192_set_multicast(struct net_device *dev)
3616 {
3617 struct r8192_priv *priv = ieee80211_priv(dev);
3618 short promisc;
3619
3620 /* FIXME FIXME */
3621
3622 promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3623
3624 if (promisc != priv->promisc)
3625
3626 priv->promisc = promisc;
3627 }
3628
3629
r8192_set_mac_adr(struct net_device * dev,void * mac)3630 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3631 {
3632 struct r8192_priv *priv = ieee80211_priv(dev);
3633 struct sockaddr *addr = mac;
3634
3635 mutex_lock(&priv->wx_mutex);
3636
3637 ether_addr_copy(dev->dev_addr, addr->sa_data);
3638
3639 schedule_work(&priv->reset_wq);
3640 mutex_unlock(&priv->wx_mutex);
3641
3642 return 0;
3643 }
3644
3645 /* based on ipw2200 driver */
rtl8192_ioctl(struct net_device * dev,struct ifreq * rq,int cmd)3646 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3647 {
3648 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3649 struct iwreq *wrq = (struct iwreq *)rq;
3650 int ret = -1;
3651 struct ieee80211_device *ieee = priv->ieee80211;
3652 u32 key[4];
3653 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3654 struct iw_point *p = &wrq->u.data;
3655 struct ieee_param *ipw = NULL;
3656
3657 mutex_lock(&priv->wx_mutex);
3658
3659
3660 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3661 ret = -EINVAL;
3662 goto out;
3663 }
3664
3665 ipw = memdup_user(p->pointer, p->length);
3666 if (IS_ERR(ipw)) {
3667 ret = PTR_ERR(ipw);
3668 goto out;
3669 }
3670
3671 switch (cmd) {
3672 case RTL_IOCTL_WPA_SUPPLICANT:
3673 /* parse here for HW security */
3674 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3675 if (ipw->u.crypt.set_tx) {
3676 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3677 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3678 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3679 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3680 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3681 if (ipw->u.crypt.key_len == 13)
3682 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3683 else if (ipw->u.crypt.key_len == 5)
3684 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3685 } else {
3686 ieee->pairwise_key_type = KEY_TYPE_NA;
3687 }
3688
3689 if (ieee->pairwise_key_type) {
3690 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3691 EnableHWSecurityConfig8192(dev);
3692 /* We fill both index entry and 4th
3693 * entry for pairwise key as in IPW
3694 * interface, adhoc will only get here,
3695 * so we need index entry for its
3696 * default key serching!
3697 */
3698 setKey(dev, 4, ipw->u.crypt.idx,
3699 ieee->pairwise_key_type,
3700 (u8 *)ieee->ap_mac_addr,
3701 0, key);
3702 if (ieee->auth_mode != 2)
3703 setKey(dev, ipw->u.crypt.idx,
3704 ipw->u.crypt.idx,
3705 ieee->pairwise_key_type,
3706 (u8 *)ieee->ap_mac_addr,
3707 0, key);
3708 }
3709 } else {
3710 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3711 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3712 ieee->group_key_type = KEY_TYPE_CCMP;
3713 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3714 ieee->group_key_type = KEY_TYPE_TKIP;
3715 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3716 if (ipw->u.crypt.key_len == 13)
3717 ieee->group_key_type = KEY_TYPE_WEP104;
3718 else if (ipw->u.crypt.key_len == 5)
3719 ieee->group_key_type = KEY_TYPE_WEP40;
3720 } else {
3721 ieee->group_key_type = KEY_TYPE_NA;
3722 }
3723
3724 if (ieee->group_key_type) {
3725 setKey(dev, ipw->u.crypt.idx,
3726 /* KeyIndex */
3727 ipw->u.crypt.idx,
3728 /* KeyType */
3729 ieee->group_key_type,
3730 /* MacAddr */
3731 broadcast_addr,
3732 /* DefaultKey */
3733 0,
3734 /* KeyContent */
3735 key);
3736 }
3737 }
3738 }
3739 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3740 &wrq->u.data);
3741 break;
3742
3743 default:
3744 ret = -EOPNOTSUPP;
3745 break;
3746 }
3747 kfree(ipw);
3748 ipw = NULL;
3749 out:
3750 mutex_unlock(&priv->wx_mutex);
3751 return ret;
3752 }
3753
HwRateToMRate90(bool bIsHT,u8 rate)3754 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3755 {
3756 u8 ret_rate = 0xff;
3757
3758 if (!bIsHT) {
3759 switch (rate) {
3760 case DESC90_RATE1M:
3761 ret_rate = MGN_1M;
3762 break;
3763 case DESC90_RATE2M:
3764 ret_rate = MGN_2M;
3765 break;
3766 case DESC90_RATE5_5M:
3767 ret_rate = MGN_5_5M;
3768 break;
3769 case DESC90_RATE11M:
3770 ret_rate = MGN_11M;
3771 break;
3772 case DESC90_RATE6M:
3773 ret_rate = MGN_6M;
3774 break;
3775 case DESC90_RATE9M:
3776 ret_rate = MGN_9M;
3777 break;
3778 case DESC90_RATE12M:
3779 ret_rate = MGN_12M;
3780 break;
3781 case DESC90_RATE18M:
3782 ret_rate = MGN_18M;
3783 break;
3784 case DESC90_RATE24M:
3785 ret_rate = MGN_24M;
3786 break;
3787 case DESC90_RATE36M:
3788 ret_rate = MGN_36M;
3789 break;
3790 case DESC90_RATE48M:
3791 ret_rate = MGN_48M;
3792 break;
3793 case DESC90_RATE54M:
3794 ret_rate = MGN_54M;
3795 break;
3796
3797 default:
3798 ret_rate = 0xff;
3799 RT_TRACE(COMP_RECV,
3800 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3801 __func__, rate, bIsHT);
3802 break;
3803 }
3804
3805 } else {
3806 switch (rate) {
3807 case DESC90_RATEMCS0:
3808 ret_rate = MGN_MCS0;
3809 break;
3810 case DESC90_RATEMCS1:
3811 ret_rate = MGN_MCS1;
3812 break;
3813 case DESC90_RATEMCS2:
3814 ret_rate = MGN_MCS2;
3815 break;
3816 case DESC90_RATEMCS3:
3817 ret_rate = MGN_MCS3;
3818 break;
3819 case DESC90_RATEMCS4:
3820 ret_rate = MGN_MCS4;
3821 break;
3822 case DESC90_RATEMCS5:
3823 ret_rate = MGN_MCS5;
3824 break;
3825 case DESC90_RATEMCS6:
3826 ret_rate = MGN_MCS6;
3827 break;
3828 case DESC90_RATEMCS7:
3829 ret_rate = MGN_MCS7;
3830 break;
3831 case DESC90_RATEMCS8:
3832 ret_rate = MGN_MCS8;
3833 break;
3834 case DESC90_RATEMCS9:
3835 ret_rate = MGN_MCS9;
3836 break;
3837 case DESC90_RATEMCS10:
3838 ret_rate = MGN_MCS10;
3839 break;
3840 case DESC90_RATEMCS11:
3841 ret_rate = MGN_MCS11;
3842 break;
3843 case DESC90_RATEMCS12:
3844 ret_rate = MGN_MCS12;
3845 break;
3846 case DESC90_RATEMCS13:
3847 ret_rate = MGN_MCS13;
3848 break;
3849 case DESC90_RATEMCS14:
3850 ret_rate = MGN_MCS14;
3851 break;
3852 case DESC90_RATEMCS15:
3853 ret_rate = MGN_MCS15;
3854 break;
3855 case DESC90_RATEMCS32:
3856 ret_rate = 0x80 | 0x20;
3857 break;
3858
3859 default:
3860 ret_rate = 0xff;
3861 RT_TRACE(COMP_RECV,
3862 "%s: Non supported Rate [%x], bIsHT = %d!!!\n",
3863 __func__, rate, bIsHT);
3864 break;
3865 }
3866 }
3867
3868 return ret_rate;
3869 }
3870
3871 /**
3872 * Function: UpdateRxPktTimeStamp
3873 * Overview: Record the TSF time stamp when receiving a packet
3874 *
3875 * Input:
3876 * PADAPTER Adapter
3877 * PRT_RFD pRfd,
3878 *
3879 * Output:
3880 * PRT_RFD pRfd
3881 * (pRfd->Status.TimeStampHigh is updated)
3882 * (pRfd->Status.TimeStampLow is updated)
3883 * Return:
3884 * None
3885 */
UpdateRxPktTimeStamp8190(struct net_device * dev,struct ieee80211_rx_stats * stats)3886 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3887 struct ieee80211_rx_stats *stats)
3888 {
3889 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3890
3891 if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3892 stats->mac_time[0] = priv->LastRxDescTSFLow;
3893 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3894 } else {
3895 priv->LastRxDescTSFLow = stats->mac_time[0];
3896 priv->LastRxDescTSFHigh = stats->mac_time[1];
3897 }
3898 }
3899
3900 /* 0-100 index. */
rtl819x_translate_todbm(u8 signal_strength_index)3901 static long rtl819x_translate_todbm(u8 signal_strength_index)
3902 {
3903 long signal_power; /* in dBm. */
3904
3905 /* Translate to dBm (x=0.5y-95). */
3906 signal_power = (long)((signal_strength_index + 1) >> 1);
3907 signal_power -= 95;
3908
3909 return signal_power;
3910 }
3911
3912
3913 /* We can not declare RSSI/EVM total value of sliding window to
3914 * be a local static. Otherwise, it may increase when we return from S3/S4. The
3915 * value will be kept in memory or disk. Declare the value in the adaptor
3916 * and it will be reinitialized when returned from S3/S4.
3917 */
rtl8192_process_phyinfo(struct r8192_priv * priv,u8 * buffer,struct ieee80211_rx_stats * pprevious_stats,struct ieee80211_rx_stats * pcurrent_stats)3918 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3919 struct ieee80211_rx_stats *pprevious_stats,
3920 struct ieee80211_rx_stats *pcurrent_stats)
3921 {
3922 bool bcheck = false;
3923 u8 rfpath;
3924 u32 nspatial_stream, tmp_val;
3925 static u32 slide_rssi_index, slide_rssi_statistics;
3926 static u32 slide_evm_index, slide_evm_statistics;
3927 static u32 last_rssi, last_evm;
3928
3929 static u32 slide_beacon_adc_pwdb_index;
3930 static u32 slide_beacon_adc_pwdb_statistics;
3931 static u32 last_beacon_adc_pwdb;
3932
3933 struct rtl_80211_hdr_3addr *hdr;
3934 u16 sc;
3935 unsigned int seq;
3936
3937 hdr = (struct rtl_80211_hdr_3addr *)buffer;
3938 sc = le16_to_cpu(hdr->seq_ctl);
3939 seq = WLAN_GET_SEQ_SEQ(sc);
3940 /* to record the sequence number */
3941 pcurrent_stats->Seq_Num = seq;
3942
3943 /* Check whether we should take the previous packet into accounting */
3944 if (!pprevious_stats->bIsAMPDU) {
3945 /* if previous packet is not aggregated packet */
3946 bcheck = true;
3947 }
3948
3949 if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3950 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3951 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3952 priv->stats.slide_rssi_total -= last_rssi;
3953 }
3954 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3955
3956 priv->stats.slide_signal_strength[slide_rssi_index++] =
3957 pprevious_stats->SignalStrength;
3958 if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3959 slide_rssi_index = 0;
3960
3961 /* <1> Showed on UI for user, in dbm */
3962 tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3963 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3964 pcurrent_stats->rssi = priv->stats.signal_strength;
3965
3966 /* If the previous packet does not match the criteria, neglect it */
3967 if (!pprevious_stats->bPacketMatchBSSID) {
3968 if (!pprevious_stats->bToSelfBA)
3969 return;
3970 }
3971
3972 if (!bcheck)
3973 return;
3974
3975
3976 /* only rtl8190 supported
3977 * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
3978 */
3979
3980 /* Check RSSI */
3981 priv->stats.num_process_phyinfo++;
3982
3983 /* record the general signal strength to the sliding window. */
3984
3985
3986 /* <2> Showed on UI for engineering
3987 * hardware does not provide rssi information for each rf path in CCK
3988 */
3989 if (!pprevious_stats->bIsCCK &&
3990 (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3991 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3992 if (!rtl8192_phy_CheckIsLegalRFPath(
3993 priv->ieee80211->dev, rfpath))
3994 continue;
3995
3996 if (priv->stats.rx_rssi_percentage[rfpath] == 0)
3997 priv->stats.rx_rssi_percentage[rfpath] =
3998 pprevious_stats->RxMIMOSignalStrength[rfpath];
3999 if (pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath]) {
4000 priv->stats.rx_rssi_percentage[rfpath] =
4001 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4002 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4003 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4004 } else {
4005 priv->stats.rx_rssi_percentage[rfpath] =
4006 ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4007 (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4008 }
4009 RT_TRACE(COMP_DBG,
4010 "priv->stats.rx_rssi_percentage[rfPath] = %d\n",
4011 priv->stats.rx_rssi_percentage[rfpath]);
4012 }
4013 }
4014
4015
4016 /* Check PWDB. */
4017 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4018 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4019 pprevious_stats->RxPWDBAll);
4020
4021 if (pprevious_stats->bPacketBeacon) {
4022 /* record the beacon pwdb to the sliding window. */
4023 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4024 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4025 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4026 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4027 }
4028 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4029 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4030 slide_beacon_adc_pwdb_index++;
4031 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4032 slide_beacon_adc_pwdb_index = 0;
4033 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4034 if (pprevious_stats->RxPWDBAll >= 3)
4035 pprevious_stats->RxPWDBAll -= 3;
4036 }
4037
4038 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4039 pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4040 pprevious_stats->RxPWDBAll);
4041
4042
4043 if (pprevious_stats->bPacketToSelf ||
4044 pprevious_stats->bPacketBeacon ||
4045 pprevious_stats->bToSelfBA) {
4046 if (priv->undecorated_smoothed_pwdb < 0)
4047 /* initialize */
4048 priv->undecorated_smoothed_pwdb =
4049 pprevious_stats->RxPWDBAll;
4050 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4051 priv->undecorated_smoothed_pwdb =
4052 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4053 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4054 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4055 } else {
4056 priv->undecorated_smoothed_pwdb =
4057 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4058 (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4059 }
4060 }
4061
4062 /* Check EVM */
4063 /* record the general EVM to the sliding window. */
4064 if (pprevious_stats->SignalQuality) {
4065 if (pprevious_stats->bPacketToSelf ||
4066 pprevious_stats->bPacketBeacon ||
4067 pprevious_stats->bToSelfBA) {
4068 if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4069 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4070 last_evm = priv->stats.slide_evm[slide_evm_index];
4071 priv->stats.slide_evm_total -= last_evm;
4072 }
4073
4074 priv->stats.slide_evm_total +=
4075 pprevious_stats->SignalQuality;
4076
4077 priv->stats.slide_evm[slide_evm_index++] =
4078 pprevious_stats->SignalQuality;
4079 if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4080 slide_evm_index = 0;
4081
4082 /* <1> Showed on UI for user, in percentage. */
4083 tmp_val = priv->stats.slide_evm_total /
4084 slide_evm_statistics;
4085 priv->stats.signal_quality = tmp_val;
4086 /* Showed on UI for user in Windows Vista,
4087 * for Link quality.
4088 */
4089 priv->stats.last_signal_strength_inpercent = tmp_val;
4090 }
4091
4092 /* <2> Showed on UI for engineering */
4093 if (pprevious_stats->bPacketToSelf ||
4094 pprevious_stats->bPacketBeacon ||
4095 pprevious_stats->bToSelfBA) {
4096 for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4097 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4098 if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4099 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4100 priv->stats.rx_evm_percentage[nspatial_stream] =
4101 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4102 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4103 }
4104 }
4105 }
4106 }
4107 }
4108
4109 /*-----------------------------------------------------------------------------
4110 * Function: rtl819x_query_rxpwrpercentage()
4111 *
4112 * Overview:
4113 *
4114 * Input: char antpower
4115 *
4116 * Output: NONE
4117 *
4118 * Return: 0-100 percentage
4119 *---------------------------------------------------------------------------
4120 */
rtl819x_query_rxpwrpercentage(s8 antpower)4121 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4122 {
4123 if ((antpower <= -100) || (antpower >= 20))
4124 return 0;
4125 else if (antpower >= 0)
4126 return 100;
4127 else
4128 return 100 + antpower;
4129
4130 } /* QueryRxPwrPercentage */
4131
rtl819x_evm_dbtopercentage(s8 value)4132 static u8 rtl819x_evm_dbtopercentage(s8 value)
4133 {
4134 s8 ret_val;
4135
4136 ret_val = value;
4137
4138 if (ret_val >= 0)
4139 ret_val = 0;
4140 if (ret_val <= -33)
4141 ret_val = -33;
4142 ret_val = 0 - ret_val;
4143 ret_val *= 3;
4144 if (ret_val == 99)
4145 ret_val = 100;
4146 return ret_val;
4147 }
4148
4149 /* We want good-looking for signal strength/quality */
rtl819x_signal_scale_mapping(long currsig)4150 static long rtl819x_signal_scale_mapping(long currsig)
4151 {
4152 long retsig;
4153
4154 /* Step 1. Scale mapping. */
4155 if (currsig >= 61 && currsig <= 100)
4156 retsig = 90 + ((currsig - 60) / 4);
4157 else if (currsig >= 41 && currsig <= 60)
4158 retsig = 78 + ((currsig - 40) / 2);
4159 else if (currsig >= 31 && currsig <= 40)
4160 retsig = 66 + (currsig - 30);
4161 else if (currsig >= 21 && currsig <= 30)
4162 retsig = 54 + (currsig - 20);
4163 else if (currsig >= 5 && currsig <= 20)
4164 retsig = 42 + (((currsig - 5) * 2) / 3);
4165 else if (currsig == 4)
4166 retsig = 36;
4167 else if (currsig == 3)
4168 retsig = 27;
4169 else if (currsig == 2)
4170 retsig = 18;
4171 else if (currsig == 1)
4172 retsig = 9;
4173 else
4174 retsig = currsig;
4175
4176 return retsig;
4177 }
4178
rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb * pdrvinfo)4179 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4180 {
4181 if (pdrvinfo->RxHT)
4182 return false;
4183
4184 switch (pdrvinfo->RxRate) {
4185 case DESC90_RATE1M:
4186 case DESC90_RATE2M:
4187 case DESC90_RATE5_5M:
4188 case DESC90_RATE11M:
4189 return true;
4190 default:
4191 return false;
4192 }
4193 }
4194
rtl8192_query_rxphystatus(struct r8192_priv * priv,struct ieee80211_rx_stats * pstats,struct rx_drvinfo_819x_usb * pdrvinfo,struct ieee80211_rx_stats * precord_stats,bool bpacket_match_bssid,bool bpacket_toself,bool bPacketBeacon,bool bToSelfBA)4195 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4196 struct ieee80211_rx_stats *pstats,
4197 struct rx_drvinfo_819x_usb *pdrvinfo,
4198 struct ieee80211_rx_stats *precord_stats,
4199 bool bpacket_match_bssid,
4200 bool bpacket_toself,
4201 bool bPacketBeacon,
4202 bool bToSelfBA)
4203 {
4204 phy_sts_ofdm_819xusb_t *pofdm_buf;
4205 phy_sts_cck_819xusb_t *pcck_buf;
4206 struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4207 u8 *prxpkt;
4208 u8 i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4209 s8 rx_pwr[4], rx_pwr_all = 0;
4210 s8 rx_snrX, rx_evmX;
4211 u8 evm, pwdb_all;
4212 u32 RSSI, total_rssi = 0;
4213 u8 is_cck_rate = 0;
4214 u8 rf_rx_num = 0;
4215 u8 sq;
4216
4217
4218 priv->stats.numqry_phystatus++;
4219
4220 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4221
4222 /* Record it for next packet processing */
4223 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4224 pstats->bPacketMatchBSSID =
4225 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4226 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4227 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4228 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4229 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4230
4231 prxpkt = (u8 *)pdrvinfo;
4232
4233 /* Move pointer to the 16th bytes. Phy status start address. */
4234 prxpkt += sizeof(struct rx_drvinfo_819x_usb);
4235
4236 /* Initial the cck and ofdm buffer pointer */
4237 pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4238 pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4239
4240 pstats->RxMIMOSignalQuality[0] = -1;
4241 pstats->RxMIMOSignalQuality[1] = -1;
4242 precord_stats->RxMIMOSignalQuality[0] = -1;
4243 precord_stats->RxMIMOSignalQuality[1] = -1;
4244
4245 if (is_cck_rate) {
4246 /* (1)Hardware does not provide RSSI for CCK */
4247
4248 /* (2)PWDB, Average PWDB calculated by hardware
4249 * (for rate adaptive)
4250 */
4251 u8 report;
4252
4253 priv->stats.numqry_phystatusCCK++;
4254
4255 if (!priv->bCckHighPower) {
4256 report = pcck_buf->cck_agc_rpt & 0xc0;
4257 report >>= 6;
4258 switch (report) {
4259 case 0x3:
4260 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4261 break;
4262 case 0x2:
4263 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4264 break;
4265 case 0x1:
4266 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4267 break;
4268 case 0x0:
4269 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4270 break;
4271 }
4272 } else {
4273 report = pcck_buf->cck_agc_rpt & 0x60;
4274 report >>= 5;
4275 switch (report) {
4276 case 0x3:
4277 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4278 break;
4279 case 0x2:
4280 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4281 break;
4282 case 0x1:
4283 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4284 break;
4285 case 0x0:
4286 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4287 break;
4288 }
4289 }
4290
4291 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4292 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4293 pstats->RecvSignalPower = pwdb_all;
4294
4295 /* (3) Get Signal Quality (EVM) */
4296
4297 if (pstats->RxPWDBAll > 40) {
4298 sq = 100;
4299 } else {
4300 sq = pcck_buf->sq_rpt;
4301
4302 if (pcck_buf->sq_rpt > 64)
4303 sq = 0;
4304 else if (pcck_buf->sq_rpt < 20)
4305 sq = 100;
4306 else
4307 sq = ((64 - sq) * 100) / 44;
4308 }
4309 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4310 pstats->RxMIMOSignalQuality[0] =
4311 precord_stats->RxMIMOSignalQuality[0] = sq;
4312 pstats->RxMIMOSignalQuality[1] =
4313 precord_stats->RxMIMOSignalQuality[1] = -1;
4314
4315 } else {
4316 priv->stats.numqry_phystatusHT++;
4317
4318 /* (1)Get RSSI for HT rate */
4319 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4320 /* We will judge RF RX path now. */
4321 if (priv->brfpath_rxenable[i])
4322 rf_rx_num++;
4323 else
4324 continue;
4325
4326 if (!rtl8192_phy_CheckIsLegalRFPath(
4327 priv->ieee80211->dev, i))
4328 continue;
4329
4330 rx_pwr[i] =
4331 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4332
4333 /* Get Rx snr value in DB */
4334 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4335 rx_snrX = (s8)(tmp_rxsnr);
4336 rx_snrX /= 2;
4337 priv->stats.rxSNRdB[i] = (long)rx_snrX;
4338
4339 /* Translate DBM to percentage. */
4340 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4341 total_rssi += RSSI;
4342
4343 /* Record Signal Strength for next packet */
4344 pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4345 precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4346 }
4347
4348
4349 /* (2)PWDB, Average PWDB calculated by hardware
4350 * (for rate adaptive)
4351 */
4352 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4353 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4354
4355 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4356 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4357
4358 /* (3)EVM of HT rate */
4359 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4360 pdrvinfo->RxRate <= DESC90_RATEMCS15)
4361 /* both spatial stream make sense */
4362 max_spatial_stream = 2;
4363 else
4364 /* only spatial stream 1 makes sense */
4365 max_spatial_stream = 1;
4366
4367 for (i = 0; i < max_spatial_stream; i++) {
4368 tmp_rxevm = pofdm_buf->rxevm_X[i];
4369 rx_evmX = (s8)(tmp_rxevm);
4370
4371 /* Do not use shift operation like "rx_evmX >>= 1"
4372 * because the compiler of free build environment will
4373 * set the most significant bit to "zero" when doing
4374 * shifting operation which may change a negative value
4375 * to positive one, then the dbm value (which is
4376 * supposed to be negative) is not correct anymore.
4377 */
4378 rx_evmX /= 2; /* dbm */
4379
4380 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4381 if (i == 0)
4382 /* Fill value in RFD, Get the first spatial
4383 * stream only
4384 */
4385 pstats->SignalQuality =
4386 precord_stats->SignalQuality =
4387 evm & 0xff;
4388 pstats->RxMIMOSignalQuality[i] =
4389 precord_stats->RxMIMOSignalQuality[i] =
4390 evm & 0xff;
4391 }
4392
4393
4394 /* record rx statistics for debug */
4395 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4396 prxsc = (struct phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4397 &rxsc_sgien_exflg;
4398 if (pdrvinfo->BW) /* 40M channel */
4399 priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4400 else /* 20M channel */
4401 priv->stats.received_bwtype[0]++;
4402 }
4403
4404 /* UI BSS List signal strength(in percentage), make it good looking,
4405 * from 0~100. It is assigned to the BSS List in
4406 * GetValueFromBeaconOrProbeRsp().
4407 */
4408 if (is_cck_rate) {
4409 pstats->SignalStrength =
4410 precord_stats->SignalStrength =
4411 (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4412 } else {
4413 /* We can judge RX path number now. */
4414 if (rf_rx_num != 0) {
4415 pstats->SignalStrength =
4416 precord_stats->SignalStrength =
4417 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4418 }
4419 }
4420 } /* QueryRxPhyStatus8190Pci */
4421
rtl8192_record_rxdesc_forlateruse(struct ieee80211_rx_stats * psrc_stats,struct ieee80211_rx_stats * ptarget_stats)4422 static void rtl8192_record_rxdesc_forlateruse(
4423 struct ieee80211_rx_stats *psrc_stats,
4424 struct ieee80211_rx_stats *ptarget_stats)
4425 {
4426 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4427 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4428 ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4429 }
4430
4431
TranslateRxSignalStuff819xUsb(struct sk_buff * skb,struct ieee80211_rx_stats * pstats,struct rx_drvinfo_819x_usb * pdrvinfo)4432 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4433 struct ieee80211_rx_stats *pstats,
4434 struct rx_drvinfo_819x_usb *pdrvinfo)
4435 {
4436 /* TODO: We must only check packet for current MAC address.
4437 * Not finish
4438 */
4439 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4440 struct net_device *dev = info->dev;
4441 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4442 bool bpacket_match_bssid, bpacket_toself;
4443 bool bPacketBeacon = false, bToSelfBA = false;
4444 static struct ieee80211_rx_stats previous_stats;
4445 struct rtl_80211_hdr_3addr *hdr;
4446 u16 fc, type;
4447
4448 /* Get Signal Quality for only RX data queue (but not command queue) */
4449
4450 u8 *tmp_buf;
4451 u8 *praddr;
4452
4453 /* Get MAC frame start address. */
4454 tmp_buf = (u8 *)skb->data;
4455
4456 hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4457 fc = le16_to_cpu(hdr->frame_ctl);
4458 type = WLAN_FC_GET_TYPE(fc);
4459 praddr = hdr->addr1;
4460
4461 /* Check if the received packet is acceptable. */
4462 bpacket_match_bssid = (type != IEEE80211_FTYPE_CTL) &&
4463 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4464 && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4465 bpacket_toself = bpacket_match_bssid &
4466 (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4467
4468 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4469 bPacketBeacon = true;
4470 if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4471 if ((eqMacAddr(praddr, dev->dev_addr)))
4472 bToSelfBA = true;
4473 }
4474
4475
4476
4477 if (bpacket_match_bssid)
4478 priv->stats.numpacket_matchbssid++;
4479 if (bpacket_toself)
4480 priv->stats.numpacket_toself++;
4481 /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4482 * Because phy information is contained in the last packet of AMPDU
4483 * only, so driver should process phy information of previous packet
4484 */
4485 rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4486 rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4487 bpacket_match_bssid, bpacket_toself,
4488 bPacketBeacon, bToSelfBA);
4489 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4490 }
4491
4492 /**
4493 * Function: UpdateReceivedRateHistogramStatistics
4494 * Overview: Record the received data rate
4495 *
4496 * Input:
4497 * struct net_device *dev
4498 * struct ieee80211_rx_stats *stats
4499 *
4500 * Output:
4501 *
4502 * (priv->stats.ReceivedRateHistogram[] is updated)
4503 * Return:
4504 * None
4505 */
4506 static void
UpdateReceivedRateHistogramStatistics8190(struct net_device * dev,struct ieee80211_rx_stats * stats)4507 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4508 struct ieee80211_rx_stats *stats)
4509 {
4510 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4511 /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4512 u32 rcvType = 1;
4513 u32 rateIndex;
4514 /* 1: short preamble/GI, 0: long preamble/GI */
4515 u32 preamble_guardinterval;
4516
4517
4518 if (stats->bCRC)
4519 rcvType = 2;
4520 else if (stats->bICV)
4521 rcvType = 3;
4522
4523 if (stats->bShortPreamble)
4524 preamble_guardinterval = 1; /* short */
4525 else
4526 preamble_guardinterval = 0; /* long */
4527
4528 switch (stats->rate) {
4529 /* CCK rate */
4530 case MGN_1M:
4531 rateIndex = 0;
4532 break;
4533 case MGN_2M:
4534 rateIndex = 1;
4535 break;
4536 case MGN_5_5M:
4537 rateIndex = 2;
4538 break;
4539 case MGN_11M:
4540 rateIndex = 3;
4541 break;
4542 /* Legacy OFDM rate */
4543 case MGN_6M:
4544 rateIndex = 4;
4545 break;
4546 case MGN_9M:
4547 rateIndex = 5;
4548 break;
4549 case MGN_12M:
4550 rateIndex = 6;
4551 break;
4552 case MGN_18M:
4553 rateIndex = 7;
4554 break;
4555 case MGN_24M:
4556 rateIndex = 8;
4557 break;
4558 case MGN_36M:
4559 rateIndex = 9;
4560 break;
4561 case MGN_48M:
4562 rateIndex = 10;
4563 break;
4564 case MGN_54M:
4565 rateIndex = 11;
4566 break;
4567 /* 11n High throughput rate */
4568 case MGN_MCS0:
4569 rateIndex = 12;
4570 break;
4571 case MGN_MCS1:
4572 rateIndex = 13;
4573 break;
4574 case MGN_MCS2:
4575 rateIndex = 14;
4576 break;
4577 case MGN_MCS3:
4578 rateIndex = 15;
4579 break;
4580 case MGN_MCS4:
4581 rateIndex = 16;
4582 break;
4583 case MGN_MCS5:
4584 rateIndex = 17;
4585 break;
4586 case MGN_MCS6:
4587 rateIndex = 18;
4588 break;
4589 case MGN_MCS7:
4590 rateIndex = 19;
4591 break;
4592 case MGN_MCS8:
4593 rateIndex = 20;
4594 break;
4595 case MGN_MCS9:
4596 rateIndex = 21;
4597 break;
4598 case MGN_MCS10:
4599 rateIndex = 22;
4600 break;
4601 case MGN_MCS11:
4602 rateIndex = 23;
4603 break;
4604 case MGN_MCS12:
4605 rateIndex = 24;
4606 break;
4607 case MGN_MCS13:
4608 rateIndex = 25;
4609 break;
4610 case MGN_MCS14:
4611 rateIndex = 26;
4612 break;
4613 case MGN_MCS15:
4614 rateIndex = 27;
4615 break;
4616 default:
4617 rateIndex = 28;
4618 break;
4619 }
4620 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4621 priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4622 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4623 }
4624
4625
query_rxdesc_status(struct sk_buff * skb,struct ieee80211_rx_stats * stats,bool bIsRxAggrSubframe)4626 static void query_rxdesc_status(struct sk_buff *skb,
4627 struct ieee80211_rx_stats *stats,
4628 bool bIsRxAggrSubframe)
4629 {
4630 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4631 struct net_device *dev = info->dev;
4632 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4633 struct rx_drvinfo_819x_usb *driver_info = NULL;
4634
4635 /* Get Rx Descriptor Information */
4636 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4637
4638 stats->Length = desc->Length;
4639 stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4640 stats->RxBufShift = 0;
4641 stats->bICV = desc->ICV;
4642 stats->bCRC = desc->CRC32;
4643 stats->bHwError = stats->bCRC | stats->bICV;
4644 /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4645 stats->Decrypted = !desc->SWDec;
4646
4647 if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4648 (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4649 stats->bHwError = false;
4650 else
4651 stats->bHwError = stats->bCRC | stats->bICV;
4652
4653 if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4654 stats->bHwError |= 1;
4655 /* Get Driver Info */
4656 /* TODO: Need to verify it on FGPA platform
4657 * Driver info are written to the RxBuffer following rx desc
4658 */
4659 if (stats->RxDrvInfoSize != 0) {
4660 driver_info = (struct rx_drvinfo_819x_usb *)(
4661 skb->data
4662 + sizeof(struct rx_desc_819x_usb)
4663 + stats->RxBufShift
4664 );
4665 /* unit: 0.5M */
4666 /* TODO */
4667 if (!stats->bHwError) {
4668 u8 ret_rate;
4669
4670 ret_rate = HwRateToMRate90(driver_info->RxHT,
4671 driver_info->RxRate);
4672 if (ret_rate == 0xff) {
4673 /* Abnormal Case: Receive CRC OK packet with Rx
4674 * descriptor indicating non supported rate.
4675 * Special Error Handling here
4676 */
4677
4678 stats->bHwError = 1;
4679 /* Set 1M rate by default */
4680 stats->rate = MGN_1M;
4681 } else {
4682 stats->rate = ret_rate;
4683 }
4684 } else {
4685 stats->rate = 0x02;
4686 }
4687
4688 stats->bShortPreamble = driver_info->SPLCP;
4689
4690
4691 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4692
4693 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4694 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4695 (driver_info->FirstAGGR == 1);
4696 stats->TimeStampLow = driver_info->TSFL;
4697
4698 UpdateRxPktTimeStamp8190(dev, stats);
4699
4700 /* Rx A-MPDU */
4701 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4702 RT_TRACE(COMP_RXDESC,
4703 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4704 driver_info->FirstAGGR, driver_info->PartAggr);
4705 }
4706
4707 skb_pull(skb, sizeof(struct rx_desc_819x_usb));
4708 /* Get Total offset of MPDU Frame Body */
4709 if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4710 stats->bShift = 1;
4711 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4712 }
4713
4714 if (driver_info) {
4715 stats->RxIs40MHzPacket = driver_info->BW;
4716 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4717 }
4718 }
4719
rtl8192_rx_nomal(struct sk_buff * skb)4720 static void rtl8192_rx_nomal(struct sk_buff *skb)
4721 {
4722 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4723 struct net_device *dev = info->dev;
4724 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4725 struct ieee80211_rx_stats stats = {
4726 .signal = 0,
4727 .noise = 0x100 - 98,
4728 .rate = 0,
4729 .freq = IEEE80211_24GHZ_BAND,
4730 };
4731 u32 rx_pkt_len = 0;
4732 struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4733 bool unicast_packet = false;
4734
4735 /* 20 is for ps-poll */
4736 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4737 /* first packet should not contain Rx aggregation header */
4738 query_rxdesc_status(skb, &stats, false);
4739 /* TODO */
4740 /* hardware related info */
4741 /* Process the MPDU received */
4742 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4743
4744 rx_pkt_len = skb->len;
4745 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4746 unicast_packet = false;
4747 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4748 /* TODO */
4749 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4750 /* TODO */
4751 } else {
4752 /* unicast packet */
4753 unicast_packet = true;
4754 }
4755
4756 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4757 dev_kfree_skb_any(skb);
4758 } else {
4759 priv->stats.rxoktotal++;
4760 if (unicast_packet)
4761 priv->stats.rxbytesunicast += rx_pkt_len;
4762 }
4763 } else {
4764 priv->stats.rxurberr++;
4765 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4766 dev_kfree_skb_any(skb);
4767 }
4768 }
4769
rtl819xusb_process_received_packet(struct net_device * dev,struct ieee80211_rx_stats * pstats)4770 static void rtl819xusb_process_received_packet(
4771 struct net_device *dev,
4772 struct ieee80211_rx_stats *pstats)
4773 {
4774 struct r8192_priv *priv = ieee80211_priv(dev);
4775
4776 /* Get shifted bytes of Starting address of 802.11 header. */
4777 pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4778 #ifdef TODO /* about HCT */
4779 if (!Adapter->bInHctTest)
4780 CountRxErrStatistics(Adapter, pRfd);
4781 #endif
4782 #ifdef ENABLE_PS /* for adding ps function in future */
4783 RT_RF_POWER_STATE rtState;
4784 /* When RF is off, we should not count the packet for hw/sw synchronize
4785 * reason, ie. there may be a duration while sw switch is changed and
4786 * hw switch is being changed.
4787 */
4788 Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4789 (u8 *)(&rtState));
4790 if (rtState == eRfOff)
4791 return;
4792 #endif
4793 priv->stats.rxframgment++;
4794
4795 #ifdef TODO
4796 RmMonitorSignalStrength(Adapter, pRfd);
4797 #endif
4798 /* We have to release RFD and return if rx pkt is cmd pkt. */
4799 if (rtl819xusb_rx_command_packet(dev, pstats))
4800 return;
4801
4802 #ifdef SW_CRC_CHECK
4803 SwCrcCheck();
4804 #endif
4805
4806
4807 }
4808
query_rx_cmdpkt_desc_status(struct sk_buff * skb,struct ieee80211_rx_stats * stats)4809 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4810 struct ieee80211_rx_stats *stats)
4811 {
4812 struct rx_desc_819x_usb *desc = (struct rx_desc_819x_usb *)skb->data;
4813
4814 /* Get Rx Descriptor Information */
4815 stats->virtual_address = (u8 *)skb->data;
4816 stats->Length = desc->Length;
4817 stats->RxDrvInfoSize = 0;
4818 stats->RxBufShift = 0;
4819 stats->packetlength = stats->Length - scrclng;
4820 stats->fraglength = stats->packetlength;
4821 stats->fragoffset = 0;
4822 stats->ntotalfrag = 1;
4823 }
4824
4825
rtl8192_rx_cmd(struct sk_buff * skb)4826 static void rtl8192_rx_cmd(struct sk_buff *skb)
4827 {
4828 struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4829 struct net_device *dev = info->dev;
4830 /* TODO */
4831 struct ieee80211_rx_stats stats = {
4832 .signal = 0,
4833 .noise = 0x100 - 98,
4834 .rate = 0,
4835 .freq = IEEE80211_24GHZ_BAND,
4836 };
4837
4838 if ((skb->len >= (20 + sizeof(struct rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4839 query_rx_cmdpkt_desc_status(skb, &stats);
4840 /* prfd->queue_id = 1; */
4841
4842 /* Process the command packet received. */
4843
4844 rtl819xusb_process_received_packet(dev, &stats);
4845
4846 dev_kfree_skb_any(skb);
4847 }
4848 }
4849
rtl8192_irq_rx_tasklet(struct r8192_priv * priv)4850 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4851 {
4852 struct sk_buff *skb;
4853 struct rtl8192_rx_info *info;
4854
4855 while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4856 info = (struct rtl8192_rx_info *)skb->cb;
4857 switch (info->out_pipe) {
4858 /* Nomal packet pipe */
4859 case 3:
4860 priv->IrpPendingCount--;
4861 rtl8192_rx_nomal(skb);
4862 break;
4863
4864 /* Command packet pipe */
4865 case 9:
4866 RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4867 info->out_pipe);
4868
4869 rtl8192_rx_cmd(skb);
4870 break;
4871
4872 default: /* should never get here! */
4873 RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4874 info->out_pipe);
4875 dev_kfree_skb(skb);
4876 break;
4877 }
4878 }
4879 }
4880
4881 static const struct net_device_ops rtl8192_netdev_ops = {
4882 .ndo_open = rtl8192_open,
4883 .ndo_stop = rtl8192_close,
4884 .ndo_get_stats = rtl8192_stats,
4885 .ndo_tx_timeout = tx_timeout,
4886 .ndo_do_ioctl = rtl8192_ioctl,
4887 .ndo_set_rx_mode = r8192_set_multicast,
4888 .ndo_set_mac_address = r8192_set_mac_adr,
4889 .ndo_validate_addr = eth_validate_addr,
4890 .ndo_start_xmit = ieee80211_xmit,
4891 };
4892
4893
4894 /****************************************************************************
4895 * ---------------------------- USB_STUFF---------------------------
4896 *****************************************************************************/
4897
rtl8192_usb_probe(struct usb_interface * intf,const struct usb_device_id * id)4898 static int rtl8192_usb_probe(struct usb_interface *intf,
4899 const struct usb_device_id *id)
4900 {
4901 struct net_device *dev = NULL;
4902 struct r8192_priv *priv = NULL;
4903 struct usb_device *udev = interface_to_usbdev(intf);
4904 int ret;
4905
4906 RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4907
4908 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4909 if (!dev)
4910 return -ENOMEM;
4911
4912 usb_set_intfdata(intf, dev);
4913 SET_NETDEV_DEV(dev, &intf->dev);
4914 priv = ieee80211_priv(dev);
4915 priv->ieee80211 = netdev_priv(dev);
4916 priv->udev = udev;
4917
4918 dev->netdev_ops = &rtl8192_netdev_ops;
4919
4920 dev->wireless_handlers = &r8192_wx_handlers_def;
4921
4922 dev->type = ARPHRD_ETHER;
4923
4924 dev->watchdog_timeo = HZ * 3;
4925
4926 if (dev_alloc_name(dev, ifname) < 0) {
4927 RT_TRACE(COMP_INIT,
4928 "Oops: devname already taken! Trying wlan%%d...\n");
4929 ifname = "wlan%d";
4930 dev_alloc_name(dev, ifname);
4931 }
4932
4933 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4934 if (rtl8192_init(dev) != 0) {
4935 RT_TRACE(COMP_ERR, "Initialization failed");
4936 ret = -ENODEV;
4937 goto fail;
4938 }
4939 netif_carrier_off(dev);
4940 netif_stop_queue(dev);
4941
4942 ret = register_netdev(dev);
4943 if (ret)
4944 goto fail2;
4945
4946 RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4947 rtl8192_proc_init_one(dev);
4948
4949
4950 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4951 return 0;
4952
4953 fail2:
4954 rtl8192_down(dev);
4955 fail:
4956 kfree(priv->pFirmware);
4957 priv->pFirmware = NULL;
4958 rtl8192_usb_deleteendpoints(dev);
4959 msleep(10);
4960 free_ieee80211(dev);
4961
4962 RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4963 return ret;
4964 }
4965
4966 /* detach all the work and timer structure declared or inititialize
4967 * in r8192U_init function.
4968 */
rtl8192_cancel_deferred_work(struct r8192_priv * priv)4969 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4970 {
4971 cancel_work_sync(&priv->reset_wq);
4972 cancel_delayed_work(&priv->watch_dog_wq);
4973 cancel_delayed_work(&priv->update_beacon_wq);
4974 cancel_work_sync(&priv->qos_activate);
4975 }
4976
4977
rtl8192_usb_disconnect(struct usb_interface * intf)4978 static void rtl8192_usb_disconnect(struct usb_interface *intf)
4979 {
4980 struct net_device *dev = usb_get_intfdata(intf);
4981 struct r8192_priv *priv = ieee80211_priv(dev);
4982
4983 if (dev) {
4984 unregister_netdev(dev);
4985
4986 RT_TRACE(COMP_DOWN,
4987 "=============>wlan driver to be removed\n");
4988 rtl8192_proc_remove_one(dev);
4989
4990 rtl8192_down(dev);
4991 kfree(priv->pFirmware);
4992 priv->pFirmware = NULL;
4993 rtl8192_usb_deleteendpoints(dev);
4994 usleep_range(10000, 11000);
4995 }
4996 free_ieee80211(dev);
4997 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4998 }
4999
rtl8192_usb_module_init(void)5000 static int __init rtl8192_usb_module_init(void)
5001 {
5002 int ret;
5003
5004 #ifdef CONFIG_IEEE80211_DEBUG
5005 ret = ieee80211_debug_init();
5006 if (ret) {
5007 pr_err("ieee80211_debug_init() failed %d\n", ret);
5008 return ret;
5009 }
5010 #endif
5011 ret = ieee80211_crypto_init();
5012 if (ret) {
5013 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5014 return ret;
5015 }
5016
5017 ret = ieee80211_crypto_tkip_init();
5018 if (ret) {
5019 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5020 return ret;
5021 }
5022
5023 ret = ieee80211_crypto_ccmp_init();
5024 if (ret) {
5025 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5026 return ret;
5027 }
5028
5029 ret = ieee80211_crypto_wep_init();
5030 if (ret) {
5031 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5032 return ret;
5033 }
5034
5035 pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5036 pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5037 RT_TRACE(COMP_INIT, "Initializing module");
5038 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5039 rtl8192_proc_module_init();
5040 return usb_register(&rtl8192_usb_driver);
5041 }
5042
5043
rtl8192_usb_module_exit(void)5044 static void __exit rtl8192_usb_module_exit(void)
5045 {
5046 usb_deregister(&rtl8192_usb_driver);
5047
5048 RT_TRACE(COMP_DOWN, "Exiting");
5049 }
5050
EnableHWSecurityConfig8192(struct net_device * dev)5051 void EnableHWSecurityConfig8192(struct net_device *dev)
5052 {
5053 u8 SECR_value = 0x0;
5054 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5055 struct ieee80211_device *ieee = priv->ieee80211;
5056
5057 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5058 if (((ieee->pairwise_key_type == KEY_TYPE_WEP40) || (ieee->pairwise_key_type == KEY_TYPE_WEP104)) && (priv->ieee80211->auth_mode != 2)) {
5059 SECR_value |= SCR_RxUseDK;
5060 SECR_value |= SCR_TxUseDK;
5061 } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5062 SECR_value |= SCR_RxUseDK;
5063 SECR_value |= SCR_TxUseDK;
5064 }
5065 /* add HWSec active enable here.
5066 * default using hwsec. when peer AP is in N mode only and
5067 * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5068 * it), use software security. when peer AP is in b,g,n mode mixed and
5069 * pairwise_key_type is none_aes, use g mode hw security.
5070 */
5071
5072 ieee->hwsec_active = 1;
5073
5074 /* add hwsec_support flag to totol control hw_sec on/off */
5075 if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5076 ieee->hwsec_active = 0;
5077 SECR_value &= ~SCR_RxDecEnable;
5078 }
5079 RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5080 __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5081 SECR_value);
5082 write_nic_byte(dev, SECR, SECR_value);
5083 }
5084
5085
setKey(struct net_device * dev,u8 EntryNo,u8 KeyIndex,u16 KeyType,u8 * MacAddr,u8 DefaultKey,u32 * KeyContent)5086 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5087 u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5088 {
5089 u32 TargetCommand = 0;
5090 u32 TargetContent = 0;
5091 u16 usConfig = 0;
5092 u8 i;
5093
5094 if (EntryNo >= TOTAL_CAM_ENTRY)
5095 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5096
5097 RT_TRACE(COMP_SEC,
5098 "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5099 dev, EntryNo, KeyIndex, KeyType, MacAddr);
5100
5101 if (DefaultKey)
5102 usConfig |= BIT(15) | (KeyType << 2);
5103 else
5104 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5105
5106
5107 for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5108 TargetCommand = i + CAM_CONTENT_COUNT * EntryNo;
5109 TargetCommand |= BIT(31) | BIT(16);
5110
5111 if (i == 0) { /* MAC|Config */
5112 TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5113 (u32)(*(MacAddr + 1)) << 24 |
5114 (u32)usConfig;
5115
5116 write_nic_dword(dev, WCAMI, TargetContent);
5117 write_nic_dword(dev, RWCAM, TargetCommand);
5118 } else if (i == 1) { /* MAC */
5119 TargetContent = (u32)(*(MacAddr + 2)) |
5120 (u32)(*(MacAddr + 3)) << 8 |
5121 (u32)(*(MacAddr + 4)) << 16 |
5122 (u32)(*(MacAddr + 5)) << 24;
5123 write_nic_dword(dev, WCAMI, TargetContent);
5124 write_nic_dword(dev, RWCAM, TargetCommand);
5125 } else {
5126 /* Key Material */
5127 if (KeyContent) {
5128 write_nic_dword(dev, WCAMI,
5129 *(KeyContent + i - 2));
5130 write_nic_dword(dev, RWCAM, TargetCommand);
5131 }
5132 }
5133 }
5134 }
5135
5136 /***************************************************************************
5137 * ------------------- module init / exit stubs ----------------
5138 ****************************************************************************/
5139 module_init(rtl8192_usb_module_init);
5140 module_exit(rtl8192_usb_module_exit);
5141
