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Merge branch 'master' of git://acx100.dyn-o-saur.com/acx-mac80211/
[acx-mac80211.git] / common.c
blobbe7b29e31e4e8c2943a9a67287294b155d807751
1 /**** (legal) claimer in README
2 ** Copyright (C) 2003 ACX100 Open Source Project
3 */
4
5 #include <linux/version.h>
6 #include <linux/module.h>
7 #include <linux/kernel.h>
8 #include <linux/sched.h>
9 #include <linux/types.h>
10 #include <linux/slab.h>
11 #include <linux/delay.h>
12 #include <linux/proc_fs.h>
13 #include <linux/if_arp.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/wireless.h>
18 #include <linux/pm.h>
19 #include <linux/vmalloc.h>
20 #include <linux/firmware.h>
21 //#include <net/iw_handler.h>
22 #include <linux/ethtool.h>
23 //#include <linux/utsrelease.h>
24
25 #include "acx.h"
26 #include "acx_debug.h"
27 #include "acx_log.h"
28 #include "acx_irq.h"
29 #include "acx_mmio.h"
30
31
32 /***********************************************************************
33 */
34
35 static void acx_l_rx(acx_device_t * adev, rxbuffer_t * rxbuf);
36
37
38
39 MODULE_LICENSE("GPL");
40 /* USB had this: MODULE_AUTHOR("Martin Wawro <martin.wawro AT uni-dortmund.de>"); */
41 MODULE_AUTHOR("ACX100 Open Source Driver development team");
42 MODULE_DESCRIPTION
43 ("Driver for TI ACX1xx based wireless cards (CardBus/PCI/USB)");
44
45 MODULE_VERSION(ACX_RELEASE);
46
47 /***********************************************************************
48 */
49 /* Probably a number of acx's intermediate buffers for USB transfers,
50 ** not to be confused with number of descriptors in tx/rx rings
51 ** (which are not directly accessible to host in USB devices) */
52 #define USB_RX_CNT 10
53 #define USB_TX_CNT 10
54
55
56 /***********************************************************************
57 */
58
59 /* minutes to wait until next radio recalibration: */
60 #define RECALIB_PAUSE 5
61
62 /* Please keep acx_reg_domain_ids_len in sync... */
63 const u8 acx_reg_domain_ids[acx_reg_domain_ids_len] =
64 { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40, 0x41, 0x51 };
65 static const u16 reg_domain_channel_masks[acx_reg_domain_ids_len] =
66 { 0x07ff, 0x07ff, 0x1fff, 0x0600, 0x1e00, 0x2000, 0x3fff, 0x01fc };
67 const char *const
68 acx_reg_domain_strings[] = {
69 /* 0 */ " 1-11 FCC (USA)",
70 /* 1 */ " 1-11 DOC/IC (Canada)",
71 /* BTW: WLAN use in ETSI is regulated by ETSI standard EN 300 328-2 V1.1.2 */
72 /* 2 */ " 1-13 ETSI (Europe)",
73 /* 3 */ "10-11 Spain",
74 /* 4 */ "10-13 France",
75 /* 5 */ " 14 MKK (Japan)",
76 /* 6 */ " 1-14 MKK1",
77 /* 7 */ " 3-9 Israel (not all firmware versions)",
78 NULL /* needs to remain as last entry */
79 };
80
81
82
83 /***********************************************************************
84 ** Debugging support
85 */
86 #ifdef PARANOID_LOCKING
87 static unsigned max_lock_time;
88 static unsigned max_sem_time;
89
90 /* Obvious or linux kernel specific derived code follows: */
91
92 void acx_lock_unhold()
93 {
94 max_lock_time = 0;
95 }
96
97 void acx_sem_unhold()
98 {
99 max_sem_time = 0;
100 }
101
102 static inline const char *sanitize_str(const char *s)
103 {
104 const char *t = strrchr(s, '/');
105 if (t)
106 return t + 1;
107 return s;
108 }
109
110 void acx_lock_debug(acx_device_t * adev, const char *where)
111 {
112 unsigned int count = 100 * 1000 * 1000;
113 where = sanitize_str(where);
114 while (--count) {
115 if (!spin_is_locked(&adev->spinlock))
116 break;
117 cpu_relax();
118 }
119 if (!count) {
120 printk(KERN_EMERG "LOCKUP: already taken at %s!\n",
121 adev->last_lock);
122 BUG();
123 }
124 adev->last_lock = where;
125 rdtscl(adev->lock_time);
126 }
127
128 void acx_unlock_debug(acx_device_t * adev, const char *where)
129 {
130 #ifdef SMP
131 if (!spin_is_locked(&adev->spinlock)) {
132 where = sanitize_str(where);
133 printk(KERN_EMERG "STRAY UNLOCK at %s!\n", where);
134 BUG();
135 }
136 #endif
137 if (acx_debug & L_LOCK) {
138 unsigned long diff;
139 rdtscl(diff);
140 diff -= adev->lock_time;
141 if (diff > max_lock_time) {
142 where = sanitize_str(where);
143 acx_log(LOG_DEBUG, L_LOCK, "max lock hold time "
144 "%ld CPU ticks from %s to %s\n", diff,
145 adev->last_lock, where);
146 max_lock_time = diff;
147 }
148 }
149 }
150 #endif /* PARANOID_LOCKING */
151
152
153
154 /***********************************************************************
155 ** Basically a mdelay/msleep with logging
156 */
157 void acx_s_mwait(int ms)
158 {
159 FN_ENTER;
160 msleep(ms);
161 FN_EXIT0;
162 }
163
164
165 /***********************************************************************
166 ** acx_cmd_status_str
167 */
168 const char *acx_cmd_status_str(unsigned int state)
169 {
170 static const char *const cmd_error_strings[] = {
171 "Idle",
172 "Success",
173 "Unknown Command",
174 "Invalid Information Element",
175 "Channel rejected",
176 "Channel invalid in current regulatory domain",
177 "MAC invalid",
178 "Command rejected (read-only information element)",
179 "Command rejected",
180 "Already asleep",
181 "TX in progress",
182 "Already awake",
183 "Write only",
184 "RX in progress",
185 "Invalid parameter",
186 "Scan in progress",
187 "Failed"
188 };
189 return state < ARRAY_SIZE(cmd_error_strings) ?
190 cmd_error_strings[state] : "?";
191 }
192
193 /***********************************************************************
194 ** acx_s_get_firmware_version
195 **
196 ** Obvious
197 */
198 void acx_s_get_firmware_version(acx_device_t * adev)
199 {
200 fw_ver_t fw;
201 u8 hexarr[4] = { 0, 0, 0, 0 };
202 int hexidx = 0, val = 0;
203 const char *num;
204 char c;
205
206 FN_ENTER;
207
208 memset(fw.fw_id, 'E', FW_ID_SIZE);
209 acx_s_query(adev, &fw, ACX1xx_REG_FWREV);
210 memcpy(adev->firmware_version, fw.fw_id, FW_ID_SIZE);
211 adev->firmware_version[FW_ID_SIZE] = '\0';
212
213 acx_log(LOG_DEBUG, L_ANY, "fw_ver: fw_id='%s' hw_id=%08X\n",
214 adev->firmware_version, fw.hw_id);
215
216 if (strncmp(fw.fw_id, "Rev ", 4) != 0) {
217 acx_log(LOG_WARNING, L_ANY, "acx: strange firmware version string "
218 "'%s', please report\n", adev->firmware_version);
219 adev->firmware_numver = 0x01090407; /* assume 1.9.4.7 */
220 } else {
221 num = &fw.fw_id[4];
222 while (1) {
223 c = *num++;
224 if ((c == '.') || (c == '\0')) {
225 hexarr[hexidx++] = val;
226 if ((hexidx > 3) || (c == '\0')) /* end? */
227 break;
228 val = 0;
229 continue;
230 }
231 if ((c >= '0') && (c <= '9'))
232 c -= '0';
233 else
234 c = c - 'a' + (char)10;
235 val = val * 16 + c;
236 }
237
238 adev->firmware_numver = (u32) ((hexarr[0] << 24) |
239 (hexarr[1] << 16)
240 | (hexarr[2] << 8) | hexarr[3]);
241 acx_log(LOG_DEBUG, L_ANY, "firmware_numver 0x%08X\n",
242 adev->firmware_numver);
243 }
244
245 adev->firmware_id = le32_to_cpu(fw.hw_id);
246
247 /* we're able to find out more detailed chip names now */
248 switch (adev->firmware_id & 0xffff0000) {
249 case 0x01010000:
250 case 0x01020000:
251 adev->chip_name = "TNETW1100A";
252 break;
253 case 0x01030000:
254 adev->chip_name = "TNETW1100B";
255 break;
256 case 0x03000000:
257 case 0x03010000:
258 adev->chip_name = "TNETW1130";
259 break;
260 case 0x04030000: /* 0x04030101 is TNETW1450 */
261 adev->chip_name = "TNETW1450";
262 break;
263 default:
264 acx_log(LOG_WARNING, L_ANY,"unknown chip ID 0x%08X, "
265 "please report\n", adev->firmware_id);
266 break;
267 }
268
269 FN_EXIT0;
270 }
271
272
273 /***********************************************************************
274 ** acx_display_hardware_details
275 **
276 ** Displays hw/fw version, radio type etc...
277 **
278 ** Obvious
279 */
280 void acx_display_hardware_details(acx_device_t * adev)
281 {
282 const char *radio_str, *form_str;
283
284 FN_ENTER;
285
286 switch (adev->radio_type) {
287 case RADIO_MAXIM_0D:
288 radio_str = "Maxim";
289 break;
290 case RADIO_RFMD_11:
291 radio_str = "RFMD";
292 break;
293 case RADIO_RALINK_15:
294 radio_str = "Ralink";
295 break;
296 case RADIO_RADIA_16:
297 radio_str = "Radia";
298 break;
299 case RADIO_UNKNOWN_17:
300 /* TI seems to have a radio which is
301 * additionally 802.11a capable, too */
302 radio_str = "802.11a/b/g radio?! Please report";
303 break;
304 case RADIO_UNKNOWN_19:
305 radio_str = "A radio used by Safecom cards?! Please report";
306 break;
307 case RADIO_UNKNOWN_1B:
308 radio_str = "An unknown radio used by TNETW1450 USB adapters";
309 break;
310 default:
311 radio_str = "UNKNOWN, please report radio type name!";
312 break;
313 }
314
315 switch (adev->form_factor) {
316 case 0x00:
317 form_str = "unspecified";
318 break;
319 case 0x01:
320 form_str = "(mini-)PCI / CardBus";
321 break;
322 case 0x02:
323 form_str = "USB";
324 break;
325 case 0x03:
326 form_str = "Compact Flash";
327 break;
328 default:
329 form_str = "UNKNOWN, please report";
330 break;
331 }
332
333 acx_log(LOG_INFO, L_ANY, "acx: chipset %s, radio type 0x%02X (%s), "
334 "form factor 0x%02X (%s), EEPROM version 0x%02X, "
335 "uploaded firmware '%s'\n",
336 adev->chip_name, adev->radio_type, radio_str,
337 adev->form_factor, form_str, adev->eeprom_version,
338 adev->firmware_version);
339
340 FN_EXIT0;
341 }
342
343
344 /***********************************************************************
345 ** acx_e_get_stats, acx_e_get_wireless_stats
346 */
347 int
348 acx_e_get_stats(struct ieee80211_hw *hw,
349 struct ieee80211_low_level_stats *stats)
350 {
351 acx_device_t *adev = ieee2adev(hw);
352 unsigned long flags;
353 acx_lock(adev, flags);
354 memcpy(stats, &adev->ieee_stats, sizeof(*stats));
355 acx_unlock(adev, flags);
356 return 0;
357 }
358
359
360 /***********************************************************************
361 ** maps acx111 tx descr rate field to acx100 one
362 */
363 const u8 acx_bitpos2rate100[] = {
364 RATE100_1, /* 0 */
365 RATE100_2, /* 1 */
366 RATE100_5, /* 2 */
367 RATE100_2, /* 3, should not happen */
368 RATE100_2, /* 4, should not happen */
369 RATE100_11, /* 5 */
370 RATE100_2, /* 6, should not happen */
371 RATE100_2, /* 7, should not happen */
372 RATE100_22, /* 8 */
373 RATE100_2, /* 9, should not happen */
374 RATE100_2, /* 10, should not happen */
375 RATE100_2, /* 11, should not happen */
376 RATE100_2, /* 12, should not happen */
377 RATE100_2, /* 13, should not happen */
378 RATE100_2, /* 14, should not happen */
379 RATE100_2, /* 15, should not happen */
380 };
381
382 u8 acx_rate111to100(u16 r)
383 {
384 return acx_bitpos2rate100[highest_bit(r)];
385 }
386
387
388 /***********************************************************************
389 ** Calculate level like the feb 2003 windows driver seems to do
390 */
391 static u8 acx_signal_to_winlevel(u8 rawlevel)
392 {
393 /* u8 winlevel = (u8) (0.5 + 0.625 * rawlevel); */
394 u8 winlevel = ((4 + (rawlevel * 5)) / 8);
395
396 if (winlevel > 100)
397 winlevel = 100;
398 return winlevel;
399 }
400
401 u8 acx_signal_determine_quality(u8 signal, u8 noise)
402 {
403 int qual;
404
405 qual = (((signal - 30) * 100 / 70) + (100 - noise * 4)) / 2;
406
407 if (qual > 100)
408 return 100;
409 if (qual < 0)
410 return 0;
411 return qual;
412 }
413
414
415 /***********************************************************************
416 ** Interrogate/configure commands
417 */
418
419 /* FIXME: the lengths given here probably aren't always correct.
420 * They should be gradually replaced by proper "sizeof(acx1XX_ie_XXXX)-4",
421 * unless the firmware actually expects a different length than the struct length */
422 static const u16 acx100_ie_len[] = {
423 0,
424 ACX100_REG_ACX_TIMER_LEN,
425 sizeof(acx100_ie_powersave_t) - 4, /* is that 6 or 8??? */
426 ACX1xx_REG_QUEUE_CONFIG_LEN,
427 ACX100_REG_BLOCK_SIZE_LEN,
428 ACX1xx_REG_MEMORY_CONFIG_OPTIONS_LEN,
429 ACX1xx_REG_RATE_FALLBACK_LEN,
430 ACX100_REG_WEP_OPTIONS_LEN,
431 ACX1xx_REG_MEMORY_MAP_LEN, /* ACX1xx_REG_SSID_LEN, */
432 0,
433 ACX1xx_REG_ASSOC_ID_LEN,
434 0,
435 ACX111_REG_CONFIG_OPTIONS_LEN,
436 ACX1xx_REG_FWREV_LEN,
437 ACX1xx_REG_FCS_ERROR_COUNT_LEN,
438 ACX1xx_REG_MEDIUM_USAGE_LEN,
439 ACX1xx_REG_RXCONFIG_LEN,
440 0,
441 0,
442 sizeof(fw_stats_t) - 4,
443 0,
444 ACX1xx_REG_FEATURE_CONFIG_LEN,
445 ACX111_REG_KEY_CHOOSE_LEN,
446 ACX1FF_REG_MISC_CONFIG_TABLE_LEN,
447 ACX1FF_REG_WONE_CONFIG_LEN,
448 0,
449 ACX1FF_REG_TID_CONFIG_LEN,
450 0,
451 0,
452 0,
453 ACX1FF_REG_CALIB_ASSESSMENT_LEN,
454 ACX1FF_REG_BEACON_FILTER_OPTIONS_LEN,
455 ACX1FF_REG_LOW_RSSI_THRESH_OPT_LEN,
456 ACX1FF_REG_NOISE_HISTOGRAM_RESULTS_LEN,
457 0,
458 ACX1FF_REG_PACKET_DETECT_THRESH_LEN,
459 ACX1FF_REG_TX_CONFIG_OPTIONS_LEN,
460 ACX1FF_REG_CCA_THRESHOLD_LEN,
461 ACX1FF_REG_EVENT_MASK_LEN,
462 ACX1FF_REG_DTIM_PERIOD_LEN,
463 0,
464 ACX1FF_REG_ACI_CONFIG_SET_LEN,
465 0,
466 0,
467 0,
468 0,
469 0,
470 0,
471 ACX1FF_REG_EEPROM_VER_LEN,
472 };
473
474 static const u16 acx100_ie_len_dot11[] = {
475 0,
476 ACX1xx_REG_DOT11_STATION_ID_LEN,
477 0,
478 ACX100_REG_DOT11_BEACON_PERIOD_LEN,
479 ACX1xx_REG_DOT11_DTIM_PERIOD_LEN,
480 ACX1xx_REG_DOT11_SHORT_RETRY_LIMIT_LEN,
481 ACX1xx_REG_DOT11_LONG_RETRY_LIMIT_LEN,
482 ACX100_REG_DOT11_WEP_DEFAULT_KEY_WRITE_LEN,
483 ACX1xx_REG_DOT11_MAX_XMIT_MSDU_LIFETIME_LEN,
484 0,
485 ACX1xx_REG_DOT11_CURRENT_REG_DOMAIN_LEN,
486 ACX1xx_REG_DOT11_CURRENT_ANTENNA_LEN,
487 0,
488 ACX1xx_REG_DOT11_TX_POWER_LEVEL_LEN,
489 ACX1xx_REG_DOT11_CURRENT_CCA_MODE_LEN,
490 ACX100_REG_DOT11_ED_THRESHOLD_LEN,
491 ACX1xx_REG_DOT11_WEP_DEFAULT_KEY_SET_LEN,
492 0,
493 0,
494 0,
495 };
496
497 static const u16 acx111_ie_len[] = {
498 0,
499 ACX100_REG_ACX_TIMER_LEN,
500 sizeof(acx111_ie_powersave_t) - 4,
501 ACX1xx_REG_QUEUE_CONFIG_LEN,
502 ACX100_REG_BLOCK_SIZE_LEN,
503 ACX1xx_REG_MEMORY_CONFIG_OPTIONS_LEN,
504 ACX1xx_REG_RATE_FALLBACK_LEN,
505 ACX100_REG_WEP_OPTIONS_LEN,
506 ACX1xx_REG_MEMORY_MAP_LEN, /* ACX1xx_REG_SSID_LEN, */
507 0,
508 ACX1xx_REG_ASSOC_ID_LEN,
509 0,
510 ACX111_REG_CONFIG_OPTIONS_LEN,
511 ACX1xx_REG_FWREV_LEN,
512 ACX1xx_REG_FCS_ERROR_COUNT_LEN,
513 ACX1xx_REG_MEDIUM_USAGE_LEN,
514 ACX1xx_REG_RXCONFIG_LEN,
515 0,
516 0,
517 sizeof(fw_stats_t) - 4,
518 0,
519 ACX1xx_REG_FEATURE_CONFIG_LEN,
520 ACX111_REG_KEY_CHOOSE_LEN,
521 ACX1FF_REG_MISC_CONFIG_TABLE_LEN,
522 ACX1FF_REG_WONE_CONFIG_LEN,
523 0,
524 ACX1FF_REG_TID_CONFIG_LEN,
525 0,
526 0,
527 0,
528 ACX1FF_REG_CALIB_ASSESSMENT_LEN,
529 ACX1FF_REG_BEACON_FILTER_OPTIONS_LEN,
530 ACX1FF_REG_LOW_RSSI_THRESH_OPT_LEN,
531 ACX1FF_REG_NOISE_HISTOGRAM_RESULTS_LEN,
532 0,
533 ACX1FF_REG_PACKET_DETECT_THRESH_LEN,
534 ACX1FF_REG_TX_CONFIG_OPTIONS_LEN,
535 ACX1FF_REG_CCA_THRESHOLD_LEN,
536 ACX1FF_REG_EVENT_MASK_LEN,
537 ACX1FF_REG_DTIM_PERIOD_LEN,
538 0,
539 ACX1FF_REG_ACI_CONFIG_SET_LEN,
540 0,
541 0,
542 0,
543 0,
544 0,
545 0,
546 ACX1FF_REG_EEPROM_VER_LEN,
547 };
548
549 static const u16 acx111_ie_len_dot11[] = {
550 0,
551 ACX1xx_REG_DOT11_STATION_ID_LEN,
552 0,
553 ACX100_REG_DOT11_BEACON_PERIOD_LEN,
554 ACX1xx_REG_DOT11_DTIM_PERIOD_LEN,
555 ACX1xx_REG_DOT11_SHORT_RETRY_LIMIT_LEN,
556 ACX1xx_REG_DOT11_LONG_RETRY_LIMIT_LEN,
557 ACX100_REG_DOT11_WEP_DEFAULT_KEY_WRITE_LEN,
558 ACX1xx_REG_DOT11_MAX_XMIT_MSDU_LIFETIME_LEN,
559 0,
560 ACX1xx_REG_DOT11_CURRENT_REG_DOMAIN_LEN,
561 ACX1xx_REG_DOT11_CURRENT_ANTENNA_LEN,
562 0,
563 ACX1xx_REG_DOT11_TX_POWER_LEVEL_LEN,
564 ACX1xx_REG_DOT11_CURRENT_CCA_MODE_LEN,
565 ACX100_REG_DOT11_ED_THRESHOLD_LEN,
566 ACX1xx_REG_DOT11_WEP_DEFAULT_KEY_SET_LEN,
567 0,
568 0,
569 0,
570 };
571
572
573 #if !ACX_DEBUG
574 int acx_s_configure(acx_device_t * adev, void *pdr, int type)
575 {
576 #else
577 int
578 acx_s_configure_debug(acx_device_t * adev, void *pdr, int type,
579 const char *typestr)
580 {
581 #endif
582 u16 len;
583 int res;
584
585 if (type < 0x1000)
586 len = adev->ie_len[type];
587 else
588 len = adev->ie_len_dot11[type - 0x1000];
589
590 acx_log(LOG_DEBUG, L_CTL, "configure (type:%s,len:%u)\n", typestr, len);
591 if (unlikely(!len)) {
592 acx_log(LOG_DEBUG, L_ANY, "zero-length type %s?!\n", typestr);
593 }
594
595 ((acx_ie_generic_t *) pdr)->type = cpu_to_le16(type);
596 ((acx_ie_generic_t *) pdr)->len = cpu_to_le16(len);
597 res = acx_s_issue_cmd(adev, ACX1xx_CMD_CONFIGURE, pdr, len + 4);
598 if (unlikely(OK != res)) {
599 #if ACX_DEBUG
600 acx_log(LOG_WARNING, L_ANY, "%s: configure (type:%s) FAILED\n",
601 wiphy_name(adev->ieee->wiphy), typestr);
602 #else
603 acx_log(LOG_WARNING, L_ANY,
604 "%s: configure (type:0x%X) FAILED\n",
605 wiphy_name(adev->ieee->wiphy), type);
606 #endif
607 /* dump_stack() is already done in issue_cmd() */
608 }
609 return res;
610 }
611
612 #if !ACX_DEBUG
613 int acx_s_query(acx_device_t * adev, void *pdr, int type)
614 {
615 #else
616 int
617 acx_s_query_debug(acx_device_t * adev, void *pdr, int type,
618 const char *typestr)
619 {
620 #endif
621 u16 len;
622 int res;
623
624 FN_ENTER;
625
626 /* FIXME: no check whether this exceeds the array yet.
627 * We should probably remember the number of entries... */
628 if (type < 0x1000)
629 len = adev->ie_len[type];
630 else
631 len = adev->ie_len_dot11[type - 0x1000];
632
633 acx_log(LOG_DEBUG, L_CTL, "query (type:%s,len:%u)\n",
634 typestr, len);
635
636 ((acx_ie_generic_t *) pdr)->type = cpu_to_le16(type);
637 ((acx_ie_generic_t *) pdr)->len = cpu_to_le16(len);
638 res = acx_s_issue_cmd(adev, ACX1xx_CMD_QUERY, pdr, len + 4);
639 if (unlikely(OK != res)) {
640 #if ACX_DEBUG
641 acx_log(LOG_WARNING, L_ANY,
642 "%s: query (type:%s) FAILED\n",
643 wiphy_name(adev->ieee->wiphy), typestr);
644 #else
645 acx_log(LOG_WARNING, L_ANY,
646 "%s: query (type:0x%X) FAILED\n",
647 wiphy_name(adev->ieee->wiphy), type);
648 #endif
649 /* dump_stack() is already done in issue_cmd() */
650 }
651
652 FN_EXIT1(res);
653 return res;
654 }
655
656 #if CMD_DISCOVERY
657 void great_inquisitor(acx_device_t * adev)
658 {
659 static struct {
660 u16 type;
661 u16 len;
662 /* 0x200 was too large here: */
663 u8 data[0x100 - 4];
664 } __attribute__ ((packed)) ie;
665 u16 type;
666
667 FN_ENTER;
668
669 /* 0..0x20, 0x1000..0x1020 */
670 for (type = 0; type <= 0x1020; type++) {
671 if (type == 0x21)
672 type = 0x1000;
673 ie.type = cpu_to_le16(type);
674 ie.len = cpu_to_le16(sizeof(ie) - 4);
675 acx_s_issue_cmd(adev, ACX1xx_CMD_QUERY, &ie, sizeof(ie));
676 }
677 FN_EXIT0;
678 }
679 #endif
680
681
682 #ifdef CONFIG_PROC_FS
683 /***********************************************************************
684 ** /proc files
685 */
686 /***********************************************************************
687 ** acx_l_proc_output
688 ** Generate content for our /proc entry
689 **
690 ** Arguments:
691 ** buf is a pointer to write output to
692 ** adev is the usual pointer to our private struct acx_device
693 ** Returns:
694 ** number of bytes actually written to buf
695 ** Side effects:
696 ** none
697 */
698 static int acx_l_proc_output(char *buf, acx_device_t * adev)
699 {
700 char *p = buf;
701
702 FN_ENTER;
703
704 p += sprintf(p,
705 "acx driver version:\t\t" ACX_RELEASE "\n"
706 "Wireless extension version:\t" STRING(WIRELESS_EXT) "\n"
707 "chip name:\t\t\t%s (0x%08X)\n"
708 "radio type:\t\t\t0x%02X\n"
709 "form factor:\t\t\t0x%02X\n"
710 "EEPROM version:\t\t\t0x%02X\n"
711 "firmware version:\t\t%s (0x%08X)\n",
712 adev->chip_name, adev->firmware_id,
713 adev->radio_type,
714 adev->form_factor,
715 adev->eeprom_version,
716 adev->firmware_version, adev->firmware_numver);
717
718 FN_EXIT1(p - buf);
719 return p - buf;
720 }
721
722
723 /***********************************************************************
724 */
725 static int acx_s_proc_diag_output(char *buf, acx_device_t * adev)
726 {
727 char *p = buf;
728 unsigned long flags;
729 ssize_t len = 0, partlen;
730 u32 temp1, temp2;
731 u8 *st, *st_end;
732 #ifdef __BIG_ENDIAN
733 u8 *st2;
734 #endif
735 fw_stats_t *fw_stats;
736 char *part_str = NULL;
737 fw_stats_tx_t *tx = NULL;
738 fw_stats_rx_t *rx = NULL;
739 fw_stats_dma_t *dma = NULL;
740 fw_stats_irq_t *irq = NULL;
741 fw_stats_wep_t *wep = NULL;
742 fw_stats_pwr_t *pwr = NULL;
743 fw_stats_mic_t *mic = NULL;
744 fw_stats_aes_t *aes = NULL;
745 fw_stats_event_t *evt = NULL;
746
747 FN_ENTER;
748
749 acx_lock(adev, flags);
750
751 if (IS_PCI(adev))
752 p = acxpci_s_proc_diag_output(p, adev);
753
754 p += sprintf(p,
755 "\n"
756 "** network status **\n"
757 "dev_state_mask 0x%04X\n"
758 "mode %u, channel %u, "
759 "reg_dom_id 0x%02X, reg_dom_chanmask 0x%04X, ",
760 adev->dev_state_mask,
761 adev->mode, adev->channel,
762 adev->reg_dom_id, adev->reg_dom_chanmask);
763 p += sprintf(p,
764 "ESSID \"%s\", essid_active %d, essid_len %d, "
765 "essid_for_assoc \"%s\", nick \"%s\"\n"
766 "WEP ena %d, restricted %d, idx %d\n",
767 adev->essid, adev->essid_active, (int)adev->essid_len,
768 adev->essid_for_assoc, adev->nick,
769 adev->wep_enabled, adev->wep_restricted,
770 adev->wep_current_index);
771 p += sprintf(p, "dev_addr " MACSTR "\n", MAC(adev->dev_addr));
772 p += sprintf(p, "bssid " MACSTR "\n", MAC(adev->bssid));
773 p += sprintf(p, "ap_filter " MACSTR "\n", MAC(adev->ap));
774
775 p += sprintf(p, "\n" "** PHY status **\n"
776 "tx_disabled %d, tx_level_dbm %d\n" /* "tx_level_val %d, tx_level_auto %d\n" */
777 "sensitivity %d, antenna 0x%02X, ed_threshold %d, cca %d, preamble_mode %d\n"
778 "rate_basic 0x%04X, rate_oper 0x%04X\n"
779 "rts_threshold %d, frag_threshold %d, short_retry %d, long_retry %d\n"
780 "msdu_lifetime %d, listen_interval %d, beacon_interval %d\n",
781 adev->tx_disabled, adev->tx_level_dbm, /* adev->tx_level_val, adev->tx_level_auto, */
782 adev->sensitivity, adev->antenna, adev->ed_threshold,
783 adev->cca, adev->preamble_mode, adev->rate_basic, adev->rate_oper, adev->rts_threshold,
784 adev->frag_threshold, adev->short_retry, adev->long_retry,
785 adev->msdu_lifetime, adev->listen_interval,
786 adev->beacon_interval);
787
788 acx_unlock(adev, flags);
789
790 p += sprintf(p,
791 "\n"
792 "** Firmware **\n"
793 "NOTE: version dependent statistics layout, "
794 "please report if you suspect wrong parsing!\n"
795 "\n" "version \"%s\"\n", adev->firmware_version);
796
797 /* TODO: may replace kmalloc/memset with kzalloc once
798 * Linux 2.6.14 is widespread */
799 fw_stats = kmalloc(sizeof(*fw_stats), GFP_KERNEL);
800 if (!fw_stats) {
801 FN_EXIT1(0);
802 return 0;
803 }
804 memset(fw_stats, 0, sizeof(*fw_stats));
805
806 st = (u8 *) fw_stats;
807
808 part_str = "statistics query command";
809
810 if (OK != acx_s_query(adev, st, ACX1xx_REG_FIRMWARE_STATISTICS))
811 goto fw_stats_end;
812
813 st += sizeof(u16);
814 len = *(u16 *) st;
815
816 if (len > sizeof(*fw_stats)) {
817 p += sprintf(p,
818 "firmware version with bigger fw_stats struct detected\n"
819 "(%zu vs. %zu), please report\n", len, sizeof(fw_stats_t));
820 if (len > sizeof(*fw_stats)) {
821 p += sprintf(p, "struct size exceeded allocation!\n");
822 len = sizeof(*fw_stats);
823 }
824 }
825 st += sizeof(u16);
826 st_end = st - 2 * sizeof(u16) + len;
827
828 #ifdef __BIG_ENDIAN
829 /* let's make one bold assumption here:
830 * (hopefully!) *all* statistics fields are u32 only,
831 * thus if we need to make endianness corrections
832 * we can simply do them in one go, in advance */
833 st2 = (u8 *) fw_stats;
834 for (temp1 = 0; temp1 < len; temp1 += 4, st2 += 4)
835 *(u32 *) st2 = le32_to_cpu(*(u32 *) st2);
836 #endif
837
838 part_str = "Rx/Tx";
839
840 /* directly at end of a struct part? --> no error! */
841 if (st == st_end)
842 goto fw_stats_end;
843
844 tx = (fw_stats_tx_t *) st;
845 st += sizeof(fw_stats_tx_t);
846 rx = (fw_stats_rx_t *) st;
847 st += sizeof(fw_stats_rx_t);
848 partlen = sizeof(fw_stats_tx_t) + sizeof(fw_stats_rx_t);
849
850 if (IS_ACX100(adev)) {
851 /* at least ACX100 PCI F/W 1.9.8.b
852 * and ACX100 USB F/W 1.0.7-USB
853 * don't have those two fields... */
854 st -= 2 * sizeof(u32);
855
856 /* our parsing doesn't quite match this firmware yet,
857 * log failure */
858 if (st > st_end)
859 goto fw_stats_fail;
860 temp1 = temp2 = 999999999;
861 } else {
862 if (st > st_end)
863 goto fw_stats_fail;
864 temp1 = rx->rx_aci_events;
865 temp2 = rx->rx_aci_resets;
866 }
867
868 p += sprintf(p,
869 "%s:\n"
870 " tx_desc_overfl %u\n"
871 " rx_OutOfMem %u, rx_hdr_overfl %u, rx_hw_stuck %u\n"
872 " rx_dropped_frame %u, rx_frame_ptr_err %u, rx_xfr_hint_trig %u\n"
873 " rx_aci_events %u, rx_aci_resets %u\n",
874 part_str,
875 tx->tx_desc_of,
876 rx->rx_oom,
877 rx->rx_hdr_of,
878 rx->rx_hw_stuck,
879 rx->rx_dropped_frame,
880 rx->rx_frame_ptr_err, rx->rx_xfr_hint_trig, temp1, temp2);
881
882 part_str = "DMA";
883
884 if (st == st_end)
885 goto fw_stats_end;
886
887 dma = (fw_stats_dma_t *) st;
888 partlen = sizeof(fw_stats_dma_t);
889 st += partlen;
890
891 if (st > st_end)
892 goto fw_stats_fail;
893
894 p += sprintf(p,
895 "%s:\n"
896 " rx_dma_req %u, rx_dma_err %u, tx_dma_req %u, tx_dma_err %u\n",
897 part_str,
898 dma->rx_dma_req,
899 dma->rx_dma_err, dma->tx_dma_req, dma->tx_dma_err);
900
901 part_str = "IRQ";
902
903 if (st == st_end)
904 goto fw_stats_end;
905
906 irq = (fw_stats_irq_t *) st;
907 partlen = sizeof(fw_stats_irq_t);
908 st += partlen;
909
910 if (st > st_end)
911 goto fw_stats_fail;
912
913 p += sprintf(p,
914 "%s:\n"
915 " cmd_cplt %u, fiq %u\n"
916 " rx_hdrs %u, rx_cmplt %u, rx_mem_overfl %u, rx_rdys %u\n"
917 " irqs %u, tx_procs %u, decrypt_done %u\n"
918 " dma_0_done %u, dma_1_done %u, tx_exch_complet %u\n"
919 " commands %u, rx_procs %u, hw_pm_mode_changes %u\n"
920 " host_acks %u, pci_pm %u, acm_wakeups %u\n",
921 part_str,
922 irq->cmd_cplt,
923 irq->fiq,
924 irq->rx_hdrs,
925 irq->rx_cmplt,
926 irq->rx_mem_of,
927 irq->rx_rdys,
928 irq->irqs,
929 irq->tx_procs,
930 irq->decrypt_done,
931 irq->dma_0_done,
932 irq->dma_1_done,
933 irq->tx_exch_complet,
934 irq->commands,
935 irq->rx_procs,
936 irq->hw_pm_mode_changes,
937 irq->host_acks, irq->pci_pm, irq->acm_wakeups);
938
939 part_str = "WEP";
940
941 if (st == st_end)
942 goto fw_stats_end;
943
944 wep = (fw_stats_wep_t *) st;
945 partlen = sizeof(fw_stats_wep_t);
946 st += partlen;
947
948 if (IS_ACX100(adev)) {
949 /* at least ACX100 PCI F/W 1.9.8.b
950 * and ACX100 USB F/W 1.0.7-USB
951 * don't have those two fields... */
952 st -= 2 * sizeof(u32);
953 if (st > st_end)
954 goto fw_stats_fail;
955 temp1 = temp2 = 999999999;
956 } else {
957 if (st > st_end)
958 goto fw_stats_fail;
959 temp1 = wep->wep_pkt_decrypt;
960 temp2 = wep->wep_decrypt_irqs;
961 }
962
963 p += sprintf(p,
964 "%s:\n"
965 " wep_key_count %u, wep_default_key_count %u, dot11_def_key_mib %u\n"
966 " wep_key_not_found %u, wep_decrypt_fail %u\n"
967 " wep_pkt_decrypt %u, wep_decrypt_irqs %u\n",
968 part_str,
969 wep->wep_key_count,
970 wep->wep_default_key_count,
971 wep->dot11_def_key_mib,
972 wep->wep_key_not_found,
973 wep->wep_decrypt_fail, temp1, temp2);
974
975 part_str = "power";
976
977 if (st == st_end)
978 goto fw_stats_end;
979
980 pwr = (fw_stats_pwr_t *) st;
981 partlen = sizeof(fw_stats_pwr_t);
982 st += partlen;
983
984 if (st > st_end)
985 goto fw_stats_fail;
986
987 p += sprintf(p,
988 "%s:\n"
989 " tx_start_ctr %u, no_ps_tx_too_short %u\n"
990 " rx_start_ctr %u, no_ps_rx_too_short %u\n"
991 " lppd_started %u\n"
992 " no_lppd_too_noisy %u, no_lppd_too_short %u, no_lppd_matching_frame %u\n",
993 part_str,
994 pwr->tx_start_ctr,
995 pwr->no_ps_tx_too_short,
996 pwr->rx_start_ctr,
997 pwr->no_ps_rx_too_short,
998 pwr->lppd_started,
999 pwr->no_lppd_too_noisy,
1000 pwr->no_lppd_too_short, pwr->no_lppd_matching_frame);
1001
1002 part_str = "MIC";
1003
1004 if (st == st_end)
1005 goto fw_stats_end;
1006
1007 mic = (fw_stats_mic_t *) st;
1008 partlen = sizeof(fw_stats_mic_t);
1009 st += partlen;
1010
1011 if (st > st_end)
1012 goto fw_stats_fail;
1013
1014 p += sprintf(p,
1015 "%s:\n"
1016 " mic_rx_pkts %u, mic_calc_fail %u\n",
1017 part_str, mic->mic_rx_pkts, mic->mic_calc_fail);
1018
1019 part_str = "AES";
1020
1021 if (st == st_end)
1022 goto fw_stats_end;
1023
1024 aes = (fw_stats_aes_t *) st;
1025 partlen = sizeof(fw_stats_aes_t);
1026 st += partlen;
1027
1028 if (st > st_end)
1029 goto fw_stats_fail;
1030
1031 p += sprintf(p,
1032 "%s:\n"
1033 " aes_enc_fail %u, aes_dec_fail %u\n"
1034 " aes_enc_pkts %u, aes_dec_pkts %u\n"
1035 " aes_enc_irq %u, aes_dec_irq %u\n",
1036 part_str,
1037 aes->aes_enc_fail,
1038 aes->aes_dec_fail,
1039 aes->aes_enc_pkts,
1040 aes->aes_dec_pkts, aes->aes_enc_irq, aes->aes_dec_irq);
1041
1042 part_str = "event";
1043
1044 if (st == st_end)
1045 goto fw_stats_end;
1046
1047 evt = (fw_stats_event_t *) st;
1048 partlen = sizeof(fw_stats_event_t);
1049 st += partlen;
1050
1051 if (st > st_end)
1052 goto fw_stats_fail;
1053
1054 p += sprintf(p,
1055 "%s:\n"
1056 " heartbeat %u, calibration %u\n"
1057 " rx_mismatch %u, rx_mem_empty %u, rx_pool %u\n"
1058 " oom_late %u\n"
1059 " phy_tx_err %u, tx_stuck %u\n",
1060 part_str,
1061 evt->heartbeat,
1062 evt->calibration,
1063 evt->rx_mismatch,
1064 evt->rx_mem_empty,
1065 evt->rx_pool,
1066 evt->oom_late, evt->phy_tx_err, evt->tx_stuck);
1067
1068 if (st < st_end)
1069 goto fw_stats_bigger;
1070
1071 goto fw_stats_end;
1072
1073 fw_stats_fail:
1074 st -= partlen;
1075 p += sprintf(p,
1076 "failed at %s part (size %zu), offset %zu (struct size %zu), "
1077 "please report\n", part_str, partlen,
1078 ((void *)st - (void *)fw_stats), len);
1079
1080 fw_stats_bigger:
1081 for (; st < st_end; st += 4)
1082 p += sprintf(p,
1083 "UNKN%3d: %u\n",
1084 (int)((void *)st - (void *)fw_stats), *(u32 *) st);
1085
1086 fw_stats_end:
1087 kfree(fw_stats);
1088
1089 FN_EXIT1(p - buf);
1090 return p - buf;
1091 }
1092
1093
1094 /***********************************************************************
1095 */
1096 static int acx_s_proc_phy_output(char *buf, acx_device_t * adev)
1097 {
1098 char *p = buf;
1099 int i;
1100
1101 FN_ENTER;
1102
1103 /*
1104 if (RADIO_RFMD_11 != adev->radio_type) {
1105 printk("sorry, not yet adapted for radio types "
1106 "other than RFMD, please verify "
1107 "PHY size etc. first!\n");
1108 goto end;
1109 }
1110 */
1111
1112 /* The PHY area is only 0x80 bytes long; further pages after that
1113 * only have some page number registers with altered value,
1114 * all other registers remain the same. */
1115 for (i = 0; i < 0x80; i++) {
1116 acx_s_read_phy_reg(adev, i, p++);
1117 }
1118
1119 FN_EXIT1(p - buf);
1120 return p - buf;
1121 }
1122
1123
1124 /***********************************************************************
1125 ** acx_e_read_proc_XXXX
1126 ** Handle our /proc entry
1127 **
1128 ** Arguments:
1129 ** standard kernel read_proc interface
1130 ** Returns:
1131 ** number of bytes written to buf
1132 ** Side effects:
1133 ** none
1134 */
1135 static int
1136 acx_e_read_proc(char *buf, char **start, off_t offset, int count,
1137 int *eof, void *data)
1138 {
1139 acx_device_t *adev = (acx_device_t *) data;
1140 unsigned long flags;
1141 int length;
1142
1143 FN_ENTER;
1144
1145 acx_sem_lock(adev);
1146 acx_lock(adev, flags);
1147 /* fill buf */
1148 length = acx_l_proc_output(buf, adev);
1149 acx_unlock(adev, flags);
1150 acx_sem_unlock(adev);
1151
1152 /* housekeeping */
1153 if (length <= offset + count)
1154 *eof = 1;
1155 *start = buf + offset;
1156 length -= offset;
1157 if (length > count)
1158 length = count;
1159 if (length < 0)
1160 length = 0;
1161 FN_EXIT1(length);
1162 return length;
1163 }
1164
1165 static int
1166 acx_e_read_proc_diag(char *buf, char **start, off_t offset, int count,
1167 int *eof, void *data)
1168 {
1169 acx_device_t *adev = (acx_device_t *) data;
1170 int length;
1171
1172 FN_ENTER;
1173
1174 acx_sem_lock(adev);
1175 /* fill buf */
1176 length = acx_s_proc_diag_output(buf, adev);
1177 acx_sem_unlock(adev);
1178
1179 /* housekeeping */
1180 if (length <= offset + count)
1181 *eof = 1;
1182 *start = buf + offset;
1183 length -= offset;
1184 if (length > count)
1185 length = count;
1186 if (length < 0)
1187 length = 0;
1188 FN_EXIT1(length);
1189 return length;
1190 }
1191
1192 static int
1193 acx_e_read_proc_eeprom(char *buf, char **start, off_t offset, int count,
1194 int *eof, void *data)
1195 {
1196 acx_device_t *adev = (acx_device_t *) data;
1197 int length;
1198
1199 FN_ENTER;
1200
1201 /* fill buf */
1202 length = 0;
1203 if (IS_PCI(adev)) {
1204 acx_sem_lock(adev);
1205 length = acxpci_proc_eeprom_output(buf, adev);
1206 acx_sem_unlock(adev);
1207 }
1208
1209 /* housekeeping */
1210 if (length <= offset + count)
1211 *eof = 1;
1212 *start = buf + offset;
1213 length -= offset;
1214 if (length > count)
1215 length = count;
1216 if (length < 0)
1217 length = 0;
1218 FN_EXIT1(length);
1219 return length;
1220 }
1221
1222 static int
1223 acx_e_read_proc_phy(char *buf, char **start, off_t offset, int count,
1224 int *eof, void *data)
1225 {
1226 acx_device_t *adev = (acx_device_t *) data;
1227 int length;
1228
1229 FN_ENTER;
1230
1231 acx_sem_lock(adev);
1232 /* fill buf */
1233 length = acx_s_proc_phy_output(buf, adev);
1234 acx_sem_unlock(adev);
1235
1236 /* housekeeping */
1237 if (length <= offset + count)
1238 *eof = 1;
1239 *start = buf + offset;
1240 length -= offset;
1241 if (length > count)
1242 length = count;
1243 if (length < 0)
1244 length = 0;
1245 FN_EXIT1(length);
1246 return length;
1247 }
1248
1249
1250 /***********************************************************************
1251 ** /proc files registration
1252 */
1253 static const char *const
1254 proc_files[] = { "", "_diag", "_eeprom", "_phy" };
1255
1256 static read_proc_t *const
1257 proc_funcs[] = {
1258 acx_e_read_proc,
1259 acx_e_read_proc_diag,
1260 acx_e_read_proc_eeprom,
1261 acx_e_read_proc_phy
1262 };
1263
1264 static int manage_proc_entries(struct ieee80211_hw *hw, int remove)
1265 {
1266 acx_device_t *adev = ieee2adev(hw);
1267 char procbuf[80];
1268 int i;
1269
1270 FN_ENTER;
1271
1272 for (i = 0; i < ARRAY_SIZE(proc_files); i++) {
1273 snprintf(procbuf, sizeof(procbuf),
1274 "driver/acx%s", proc_files[i]);
1275 acx_log(LOG_INFO, L_INIT, "%sing /proc entry %s\n",
1276 remove ? "remov" : "creat", procbuf);
1277 if (!remove) {
1278 if (!create_proc_read_entry
1279 (procbuf, 0, NULL, proc_funcs[i], adev)) {
1280 acx_log(LOG_WARNING, L_ANY,
1281 "cannot register /proc entry %s\n", procbuf);
1282 FN_EXIT1(NOT_OK);
1283 return NOT_OK;
1284 }
1285 } else {
1286 remove_proc_entry(procbuf, NULL);
1287 }
1288 }
1289 FN_EXIT0;
1290 return OK;
1291 }
1292
1293 int acx_proc_register_entries(struct ieee80211_hw *ieee)
1294 {
1295 return manage_proc_entries(ieee, 0);
1296 }
1297
1298 int acx_proc_unregister_entries(struct ieee80211_hw *ieee)
1299 {
1300 return manage_proc_entries(ieee, 1);
1301 }
1302 #endif /* CONFIG_PROC_FS */
1303
1304 /****
1305 ** Gathered From rt2x00 and bcm43xx_mac80211 projects
1306 **/
1307 void acx_free_modes(acx_device_t * adev)
1308 {
1309
1310 // kfree(adev->modes);
1311 // adev->modes = NULL;
1312 }
1313
1314 /*
1315 #define RATETAB_ENT(_rate, _rateid, _flags) \
1316 { \
1317 .rate = (_rate), \
1318 .val = (_rateid), \
1319 .val2 = (_rateid), \
1320 .flags = (_flags), \
1321 }
1322 */
1323
1324 static struct ieee80211_rate __acx_rates[] = {
1325 { .rate = 10,
1326 .val = RATE111_1,
1327 .flags = IEEE80211_RATE_CCK },
1328 { .rate = 20,
1329 .val = RATE111_2,
1330 .flags = IEEE80211_RATE_CCK },
1331 { .rate = 55,
1332 .val = RATE111_5,
1333 .flags = IEEE80211_RATE_CCK },
1334 { .rate = 110,
1335 .val = RATE111_11,
1336 .flags = IEEE80211_RATE_CCK },
1337 { .rate = 60,
1338 .val = RATE111_6,
1339 .flags = IEEE80211_RATE_OFDM },
1340 { .rate = 90,
1341 .val = RATE111_9,
1342 .flags = IEEE80211_RATE_OFDM },
1343 { .rate = 120,
1344 .val = RATE111_12,
1345 .flags = IEEE80211_RATE_OFDM },
1346 { .rate = 180,
1347 .val = RATE111_18,
1348 .flags = IEEE80211_RATE_OFDM },
1349 { .rate = 240,
1350 .val = RATE111_24,
1351 .flags = IEEE80211_RATE_OFDM },
1352 { .rate = 360,
1353 .val = RATE111_36,
1354 .flags = IEEE80211_RATE_OFDM },
1355 { .rate = 480,
1356 .val = RATE111_48,
1357 .flags = IEEE80211_RATE_OFDM },
1358 { .rate = 540,
1359 .val = RATE111_54,
1360 .flags = IEEE80211_RATE_OFDM },
1361 };
1362
1363 static struct ieee80211_channel channels[] = {
1364 { .chan = 1,
1365 .freq = 2412},
1366 { .chan = 2,
1367 .freq = 2417},
1368 { .chan = 3,
1369 .freq = 2422},
1370 { .chan = 4,
1371 .freq = 2427},
1372 { .chan = 5,
1373 .freq = 2432},
1374 { .chan = 6,
1375 .freq = 2437},
1376 { .chan = 7,
1377 .freq = 2442},
1378 { .chan = 8,
1379 .freq = 2447},
1380 { .chan = 9,
1381 .freq = 2452},
1382 { .chan = 10,
1383 .freq = 2457},
1384 { .chan = 11,
1385 .freq = 2462},
1386 { .chan = 12,
1387 .freq = 2467},
1388 { .chan = 13,
1389 .freq = 2472},
1390 };
1391
1392 int acx_setup_modes(acx_device_t * adev)
1393 {
1394 struct ieee80211_hw *hw = adev->ieee;
1395 struct ieee80211_hw_mode *mode;
1396 int err = -ENOMEM;
1397
1398 FN_ENTER;
1399
1400 if (IS_ACX111(adev)) {
1401 /*
1402 adev->modes = kzalloc(sizeof(struct ieee80211_hw_mode) * 2, GFP_KERNEL);
1403 err = acx_setup_modes_gphy(adev);
1404 */
1405 mode = &adev->modes[0];
1406
1407 /* from the zd1211rw driver: - do we need to do the same? */
1408 /*
1409 memcpy(mode->channels, channels, sizeof(channels));
1410 memcpy(mode->rates, __acx_rates, sizeof(__acx_rates));
1411 */
1412
1413 mode->mode = MODE_IEEE80211G;
1414 mode->num_channels = ARRAY_SIZE(channels);
1415 mode->num_rates = 12;
1416 mode->rates = __acx_rates;
1417 } else {
1418 /*
1419 adev->modes = kzalloc(sizeof(struct ieee80211_hw_mode), GFP_KERNEL);
1420 err = acx_setup_modes_bphy(adev);
1421 */
1422 mode = &adev->modes[1];
1423
1424 /* from the zd1211rw driver: - do we need to do the same? */
1425 /*
1426 memcpy(mode->channels, channels, sizeof(channels));
1427 memcpy(mode->rates, __acx_rates, sizeof(__acx_rates));
1428 */
1429
1430 mode->mode = MODE_IEEE80211B;
1431 mode->num_channels = ARRAY_SIZE(channels);
1432 mode->num_rates = 4;
1433 mode->rates = __acx_rates;
1434
1435 }
1436 /* if (err && adev->modes)
1437 kfree(adev->modes);*/
1438
1439 mode->channels = channels;
1440 err = ieee80211_register_hwmode(hw, mode);
1441
1442 FN_EXIT1(err);
1443 return err;
1444
1445 }
1446
1447 /***********************************************************************
1448 ** acx_fill_beacon_or_proberesp_template
1449 **
1450 ** Origin: derived from rt2x00 project
1451 */
1452 static int
1453 acx_fill_beacon_or_proberesp_template(acx_device_t *adev,
1454 struct acx_template_beacon *templ,
1455 struct sk_buff* skb /* in host order! */)
1456 {
1457 FN_ENTER;
1458
1459 memcpy(templ,skb->data, skb->len);
1460 FN_EXIT1(skb->len);
1461 return skb->len;
1462 }
1463
1464 /***********************************************************************
1465 ** acx_s_set_beacon_template
1466 **
1467 **
1468 */
1469 static int
1470 acx_s_set_beacon_template(acx_device_t *adev, struct sk_buff *skb)
1471 {
1472 struct acx_template_beacon bcn;
1473 int len, result;
1474
1475 FN_ENTER;
1476 acx_log(LOG_INFO, L_ANY, "size of template: %08zX, "
1477 "size of beacon: %08X\n",
1478 sizeof(struct acx_template_beacon),skb->len);
1479 len = acx_fill_beacon_or_proberesp_template(adev, &bcn, skb);
1480 result = acx_s_issue_cmd(adev, ACX1xx_CMD_CONFIG_BEACON, &bcn, len);
1481
1482 FN_EXIT1(result);
1483 return result;
1484 }
1485
1486 /***********************************************************************
1487 ** acx_cmd_join_bssid
1488 **
1489 ** Common code for both acx100 and acx111.
1490 */
1491 /* NB: does NOT match RATE100_nn but matches ACX[111]_SCAN_RATE_n */
1492 static const u8 bitpos2genframe_txrate[] = {
1493 10, /* 0. 1 Mbit/s */
1494 20, /* 1. 2 Mbit/s */
1495 55, /* 2. 5.5 Mbit/s */
1496 0x0B, /* 3. 6 Mbit/s */
1497 0x0F, /* 4. 9 Mbit/s */
1498 110, /* 5. 11 Mbit/s */
1499 0x0A, /* 6. 12 Mbit/s */
1500 0x0E, /* 7. 18 Mbit/s */
1501 220, /* 8. 22 Mbit/s */
1502 0x09, /* 9. 24 Mbit/s */
1503 0x0D, /* 10. 36 Mbit/s */
1504 0x08, /* 11. 48 Mbit/s */
1505 0x0C, /* 12. 54 Mbit/s */
1506 10, /* 13. 1 Mbit/s, should never happen */
1507 10, /* 14. 1 Mbit/s, should never happen */
1508 10, /* 15. 1 Mbit/s, should never happen */
1509 };
1510
1511 /* Looks scary, eh?
1512 ** Actually, each one compiled into one AND and one SHIFT,
1513 ** 31 bytes in x86 asm (more if uints are replaced by u16/u8) */
1514 static inline unsigned int rate111to5bits(unsigned int rate)
1515 {
1516 return (rate & 0x7)
1517 | ((rate & RATE111_11) / (RATE111_11 / JOINBSS_RATES_11))
1518 | ((rate & RATE111_22) / (RATE111_22 / JOINBSS_RATES_22));
1519 }
1520
1521
1522 void acx_s_cmd_join_bssid(acx_device_t *adev, const u8 *bssid)
1523 {
1524 acx_joinbss_t tmp;
1525 int dtim_interval;
1526 int i;
1527
1528 if (mac_is_zero(bssid))
1529 return;
1530
1531 FN_ENTER;
1532
1533 dtim_interval = (ACX_MODE_0_ADHOC == adev->mode) ?
1534 1 : adev->dtim_interval;
1535
1536 memset(&tmp, 0, sizeof(tmp));
1537
1538 for (i = 0; i < ETH_ALEN; i++) {
1539 tmp.bssid[i] = bssid[ETH_ALEN-1 - i];
1540 }
1541
1542 tmp.beacon_interval = cpu_to_le16(adev->beacon_interval);
1543
1544 /* Basic rate set. Control frame responses (such as ACK or CTS frames)
1545 ** are sent with one of these rates */
1546 if (IS_ACX111(adev)) {
1547 /* It was experimentally determined that rates_basic
1548 ** can take 11g rates as well, not only rates
1549 ** defined with JOINBSS_RATES_BASIC111_nnn.
1550 ** Just use RATE111_nnn constants... */
1551 tmp.u.acx111.dtim_interval = dtim_interval;
1552 tmp.u.acx111.rates_basic = cpu_to_le16(adev->rate_basic);
1553 acx_log(LOG_INFO, L_ASSOC, "rates_basic:%04X, "
1554 "rates_supported:%04X\n",
1555 adev->rate_basic, adev->rate_oper);
1556 } else {
1557 tmp.u.acx100.dtim_interval = dtim_interval;
1558 tmp.u.acx100.rates_basic = rate111to5bits(adev->rate_basic);
1559 tmp.u.acx100.rates_supported = rate111to5bits(adev->rate_oper);
1560 acx_log(LOG_INFO, L_ASSOC, "rates_basic:%04X->%02X, "
1561 "rates_supported:%04X->%02X\n",
1562 adev->rate_basic, tmp.u.acx100.rates_basic,
1563 adev->rate_oper, tmp.u.acx100.rates_supported);
1564 }
1565
1566 /* Setting up how Beacon, Probe Response, RTS, and PS-Poll frames
1567 ** will be sent (rate/modulation/preamble) */
1568 tmp.genfrm_txrate = bitpos2genframe_txrate[lowest_bit(adev->rate_basic)];
1569 tmp.genfrm_mod_pre = 0; /* FIXME: was = adev->capab_short (which was always 0); */
1570 /* we can use short pre *if* all peers can understand it */
1571 /* FIXME #2: we need to correctly set PBCC/OFDM bits here too */
1572
1573 /* we switch fw to STA mode in MONITOR mode, it seems to be
1574 ** the only mode where fw does not emit beacons by itself
1575 ** but allows us to send anything (we really want to retain
1576 ** ability to tx arbitrary frames in MONITOR mode)
1577 */
1578 tmp.macmode = (adev->mode != ACX_MODE_MONITOR ? adev->mode : ACX_MODE_2_STA);
1579 tmp.channel = adev->channel;
1580 tmp.essid_len = adev->essid_len;
1581
1582 memcpy(tmp.essid, adev->essid, tmp.essid_len);
1583 acx_s_issue_cmd(adev, ACX1xx_CMD_JOIN, &tmp, tmp.essid_len + 0x11);
1584
1585 acx_log(LOG_DEBUG, L_ASSOC, "BSS_Type = %u\n", tmp.macmode);
1586 acx_log(LOG_DEBUG, L_ASSOC, "JoinBSSID MAC:" MACSTR "\n",
1587 adev->bssid, "\n");
1588
1589 /* acx_update_capabilities(adev); */
1590 FN_EXIT0;
1591 }
1592
1593 /***********************************************************************
1594 ** acxpci_i_set_multicast_list
1595 ** FIXME: most likely needs refinement
1596 */
1597
1598 void acx_i_set_multicast_list(struct ieee80211_hw *hw,
1599 unsigned int changed_flags,
1600 unsigned int *total_flags,
1601 int mc_count, struct dev_addr_list *mc_list)
1602 {
1603 acx_device_t *adev = ieee2adev(hw);
1604 unsigned long flags;
1605
1606 FN_ENTER;
1607
1608 acx_lock(adev, flags);
1609
1610 changed_flags &= (FIF_PROMISC_IN_BSS | FIF_ALLMULTI | FIF_FCSFAIL |
1611 FIF_CONTROL | FIF_OTHER_BSS);
1612 *total_flags &= (FIF_PROMISC_IN_BSS | FIF_ALLMULTI | FIF_FCSFAIL |
1613 FIF_CONTROL | FIF_OTHER_BSS);
1614 /* if ((changed_flags & (FIF_PROMISC_IN_BSS | FIF_ALLMULTI)) == 0)
1615 return; */
1616
1617 if (*total_flags) {
1618 SET_BIT(adev->rx_config_1, RX_CFG1_RCV_PROMISCUOUS);
1619 CLEAR_BIT(adev->rx_config_1, RX_CFG1_FILTER_ALL_MULTI);
1620 SET_BIT(adev->set_mask, SET_RXCONFIG);
1621 /* let kernel know in case *we* needed to set promiscuous */
1622 } else {
1623 CLEAR_BIT(adev->rx_config_1, RX_CFG1_RCV_PROMISCUOUS);
1624 SET_BIT(adev->rx_config_1, RX_CFG1_FILTER_ALL_MULTI);
1625 SET_BIT(adev->set_mask, SET_RXCONFIG);
1626 }
1627
1628 /* cannot update card settings directly here, atomic context */
1629 acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
1630
1631 acx_unlock(adev, flags);
1632
1633 FN_EXIT0;
1634 }
1635
1636 /***********************************************************************
1637 ** acx111 feature config
1638 **
1639 ** Obvious
1640 */
1641 static int
1642 acx111_s_get_feature_config(acx_device_t * adev,
1643 u32 * feature_options, u32 * data_flow_options)
1644 {
1645 struct acx111_ie_feature_config feat;
1646
1647 FN_ENTER;
1648
1649 if (!IS_ACX111(adev)) {
1650 return NOT_OK;
1651 }
1652
1653 memset(&feat, 0, sizeof(feat));
1654
1655 if (OK != acx_s_query(adev, &feat, ACX1xx_REG_FEATURE_CONFIG)) {
1656 FN_EXIT1(NOT_OK);
1657 return NOT_OK;
1658 }
1659 acx_log(LOG_DEBUG, L_REALLYVERBOSE,
1660 "got Feature option:0x%X, DataFlow option: 0x%X\n",
1661 feat.feature_options, feat.data_flow_options);
1662
1663 if (feature_options)
1664 *feature_options = le32_to_cpu(feat.feature_options);
1665 if (data_flow_options)
1666 *data_flow_options = le32_to_cpu(feat.data_flow_options);
1667
1668 FN_EXIT0;
1669 return OK;
1670 }
1671
1672
1673 static int
1674 acx111_s_set_feature_config(acx_device_t * adev,
1675 u32 feature_options, u32 data_flow_options,
1676 unsigned int mode
1677 /* 0 == remove, 1 == add, 2 == set */ )
1678 {
1679 struct acx111_ie_feature_config feat;
1680
1681 FN_ENTER;
1682
1683 if (!IS_ACX111(adev)) {
1684 FN_EXIT1(NOT_OK);
1685 return NOT_OK;
1686 }
1687
1688 if ((mode < 0) || (mode > 2)) {
1689 FN_EXIT1(NOT_OK);
1690 return NOT_OK;
1691 }
1692
1693 if (mode != 2)
1694 /* need to modify old data */
1695 acx111_s_get_feature_config(adev, &feat.feature_options,
1696 &feat.data_flow_options);
1697 else {
1698 /* need to set a completely new value */
1699 feat.feature_options = 0;
1700 feat.data_flow_options = 0;
1701 }
1702
1703 if (mode == 0) { /* remove */
1704 CLEAR_BIT(feat.feature_options, cpu_to_le32(feature_options));
1705 CLEAR_BIT(feat.data_flow_options,
1706 cpu_to_le32(data_flow_options));
1707 } else { /* add or set */
1708 SET_BIT(feat.feature_options, cpu_to_le32(feature_options));
1709 SET_BIT(feat.data_flow_options, cpu_to_le32(data_flow_options));
1710 }
1711
1712 acx_log(LOG_DEBUG, L_REALLYVERBOSE,
1713 "old: feature 0x%08X dataflow 0x%08X. mode: %u\n"
1714 "new: feature 0x%08X dataflow 0x%08X\n",
1715 feature_options, data_flow_options, mode,
1716 le32_to_cpu(feat.feature_options),
1717 le32_to_cpu(feat.data_flow_options));
1718
1719 if (OK != acx_s_configure(adev, &feat, ACX1xx_REG_FEATURE_CONFIG)) {
1720 FN_EXIT1(NOT_OK);
1721 return NOT_OK;
1722 }
1723
1724 FN_EXIT0;
1725 return OK;
1726 }
1727
1728 static inline int acx111_s_feature_off(acx_device_t * adev, u32 f, u32 d)
1729 {
1730 return acx111_s_set_feature_config(adev, f, d, 0);
1731 }
1732 static inline int acx111_s_feature_on(acx_device_t * adev, u32 f, u32 d)
1733 {
1734 return acx111_s_set_feature_config(adev, f, d, 1);
1735 }
1736 static inline int acx111_s_feature_set(acx_device_t * adev, u32 f, u32 d)
1737 {
1738 return acx111_s_set_feature_config(adev, f, d, 2);
1739 }
1740
1741
1742 /***********************************************************************
1743 ** acx100_s_init_memory_pools
1744 */
1745 static int
1746 acx100_s_init_memory_pools(acx_device_t * adev, const acx_ie_memmap_t * mmt)
1747 {
1748 acx100_ie_memblocksize_t MemoryBlockSize;
1749 acx100_ie_memconfigoption_t MemoryConfigOption;
1750 int TotalMemoryBlocks;
1751 int RxBlockNum;
1752 int TotalRxBlockSize;
1753 int TxBlockNum;
1754 int TotalTxBlockSize;
1755
1756 FN_ENTER;
1757
1758 /* Let's see if we can follow this:
1759 first we select our memory block size (which I think is
1760 completely arbitrary) */
1761 MemoryBlockSize.size = cpu_to_le16(adev->memblocksize);
1762
1763 /* Then we alert the card to our decision of block size */
1764 if (OK != acx_s_configure(adev, &MemoryBlockSize, ACX100_REG_BLOCK_SIZE)) {
1765 goto bad;
1766 }
1767
1768 /* We figure out how many total blocks we can create, using
1769 the block size we chose, and the beginning and ending
1770 memory pointers, i.e.: end-start/size */
1771 TotalMemoryBlocks =
1772 (le32_to_cpu(mmt->PoolEnd) -
1773 le32_to_cpu(mmt->PoolStart)) / adev->memblocksize;
1774
1775 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "TotalMemoryBlocks=%u (%u bytes)\n",
1776 TotalMemoryBlocks, TotalMemoryBlocks * adev->memblocksize);
1777
1778 /* MemoryConfigOption.DMA_config bitmask:
1779 access to ACX memory is to be done:
1780 0x00080000 using PCI conf space?!
1781 0x00040000 using IO instructions?
1782 0x00000000 using memory access instructions
1783 0x00020000 using local memory block linked list (else what?)
1784 0x00010000 using host indirect descriptors (else host must access ACX memory?)
1785 */
1786 if (IS_PCI(adev)) {
1787 MemoryConfigOption.DMA_config = cpu_to_le32(0x30000);
1788 /* Declare start of the Rx host pool */
1789 MemoryConfigOption.pRxHostDesc =
1790 cpu2acx(adev->rxhostdesc_startphy);
1791 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "pRxHostDesc 0x%08X, "
1792 "rxhostdesc_startphy 0x%lX\n",
1793 acx2cpu(MemoryConfigOption.pRxHostDesc),
1794 (long)adev->rxhostdesc_startphy);
1795 } else {
1796 MemoryConfigOption.DMA_config = cpu_to_le32(0x20000);
1797 }
1798
1799 /* 50% of the allotment of memory blocks go to tx descriptors */
1800 TxBlockNum = TotalMemoryBlocks / 2;
1801 MemoryConfigOption.TxBlockNum = cpu_to_le16(TxBlockNum);
1802
1803 /* and 50% go to the rx descriptors */
1804 RxBlockNum = TotalMemoryBlocks - TxBlockNum;
1805 MemoryConfigOption.RxBlockNum = cpu_to_le16(RxBlockNum);
1806
1807 /* size of the tx and rx descriptor queues */
1808 TotalTxBlockSize = TxBlockNum * adev->memblocksize;
1809 TotalRxBlockSize = RxBlockNum * adev->memblocksize;
1810 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "TxBlockNum %u RxBlockNum %u "
1811 "TotalTxBlockSize %u TotalTxBlockSize %u\n",
1812 TxBlockNum, RxBlockNum, TotalTxBlockSize, TotalRxBlockSize);
1813
1814
1815 /* align the tx descriptor queue to an alignment of 0x20 (32 bytes) */
1816 MemoryConfigOption.rx_mem =
1817 cpu_to_le32((le32_to_cpu(mmt->PoolStart) + 0x1f) & ~0x1f);
1818
1819 /* align the rx descriptor queue to units of 0x20
1820 * and offset it by the tx descriptor queue */
1821 MemoryConfigOption.tx_mem =
1822 cpu_to_le32((le32_to_cpu(mmt->PoolStart) + TotalRxBlockSize +
1823 0x1f) & ~0x1f);
1824 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "rx_mem %08X rx_mem %08X\n",
1825 MemoryConfigOption.tx_mem, MemoryConfigOption.rx_mem);
1826
1827 /* alert the device to our decision */
1828 if (OK !=
1829 acx_s_configure(adev, &MemoryConfigOption,
1830 ACX1xx_REG_MEMORY_CONFIG_OPTIONS)) {
1831 goto bad;
1832 }
1833
1834 /* and tell the device to kick it into gear */
1835 if (OK != acx_s_issue_cmd(adev, ACX100_CMD_INIT_MEMORY, NULL, 0)) {
1836 goto bad;
1837 }
1838 FN_EXIT1(OK);
1839 return OK;
1840 bad:
1841 FN_EXIT1(NOT_OK);
1842 return NOT_OK;
1843 }
1844
1845
1846 /***********************************************************************
1847 ** acx100_s_create_dma_regions
1848 **
1849 ** Note that this fn messes up heavily with hardware, but we cannot
1850 ** lock it (we need to sleep). Not a problem since IRQs can't happen
1851 */
1852 /* OLD CODE? - let's rewrite it! */
1853 static int acx100_s_create_dma_regions(acx_device_t * adev)
1854 {
1855 acx100_ie_queueconfig_t queueconf;
1856 acx_ie_memmap_t memmap;
1857 int res = NOT_OK;
1858 u32 tx_queue_start, rx_queue_start;
1859
1860 FN_ENTER;
1861
1862 /* read out the acx100 physical start address for the queues */
1863 if (OK != acx_s_query(adev, &memmap, ACX1xx_REG_MEMORY_MAP)) {
1864 goto fail;
1865 }
1866
1867 tx_queue_start = le32_to_cpu(memmap.QueueStart);
1868 rx_queue_start = tx_queue_start + TX_CNT * sizeof(txdesc_t);
1869
1870 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "initializing Queue Indicator\n");
1871
1872 memset(&queueconf, 0, sizeof(queueconf));
1873
1874 /* Not needed for PCI, so we can avoid setting them altogether */
1875 if (IS_USB(adev)) {
1876 queueconf.NumTxDesc = USB_TX_CNT;
1877 queueconf.NumRxDesc = USB_RX_CNT;
1878 }
1879
1880 /* calculate size of queues */
1881 queueconf.AreaSize = cpu_to_le32(TX_CNT * sizeof(txdesc_t) +
1882 RX_CNT * sizeof(rxdesc_t) + 8);
1883 queueconf.NumTxQueues = 1; /* number of tx queues */
1884 /* sets the beginning of the tx descriptor queue */
1885 queueconf.TxQueueStart = memmap.QueueStart;
1886 /* done by memset: queueconf.TxQueuePri = 0; */
1887 queueconf.RxQueueStart = cpu_to_le32(rx_queue_start);
1888 queueconf.QueueOptions = 1; /* auto reset descriptor */
1889 /* sets the end of the rx descriptor queue */
1890 queueconf.QueueEnd =
1891 cpu_to_le32(rx_queue_start + RX_CNT * sizeof(rxdesc_t)
1892 );
1893 /* sets the beginning of the next queue */
1894 queueconf.HostQueueEnd =
1895 cpu_to_le32(le32_to_cpu(queueconf.QueueEnd) + 8);
1896 if (OK != acx_s_configure(adev, &queueconf, ACX1xx_REG_QUEUE_CONFIG)) {
1897 goto fail;
1898 }
1899
1900 if (IS_PCI(adev)) {
1901 /* sets the beginning of the rx descriptor queue, after the tx descrs */
1902 if (OK != acxpci_s_create_hostdesc_queues(adev))
1903 goto fail;
1904 acxpci_create_desc_queues(adev, tx_queue_start, rx_queue_start);
1905 }
1906
1907 if (OK != acx_s_query(adev, &memmap, ACX1xx_REG_MEMORY_MAP)) {
1908 goto fail;
1909 }
1910
1911 memmap.PoolStart = cpu_to_le32((le32_to_cpu(memmap.QueueEnd) + 4 +
1912 0x1f) & ~0x1f);
1913
1914 if (OK != acx_s_configure(adev, &memmap, ACX1xx_REG_MEMORY_MAP)) {
1915 goto fail;
1916 }
1917
1918 if (OK != acx100_s_init_memory_pools(adev, &memmap)) {
1919 goto fail;
1920 }
1921
1922 res = OK;
1923 goto end;
1924
1925 fail:
1926 acx_s_mwait(1000); /* ? */
1927 if (IS_PCI(adev))
1928 acxpci_free_desc_queues(adev);
1929 end:
1930 FN_EXIT1(res);
1931 return res;
1932 }
1933
1934
1935 /***********************************************************************
1936 ** acx111_s_create_dma_regions
1937 **
1938 ** Note that this fn messes heavily with hardware, but we cannot
1939 ** lock it (we need to sleep). Not a problem since IRQs can't happen
1940 */
1941 #define ACX111_PERCENT(percent) ((percent)/5)
1942
1943 static int acx111_s_create_dma_regions(acx_device_t * adev)
1944 {
1945 struct acx111_ie_memoryconfig memconf;
1946 struct acx111_ie_queueconfig queueconf;
1947 u32 tx_queue_start, rx_queue_start;
1948
1949 FN_ENTER;
1950
1951 /* Calculate memory positions and queue sizes */
1952
1953 /* Set up our host descriptor pool + data pool */
1954 if (IS_PCI(adev)) {
1955 if (OK != acxpci_s_create_hostdesc_queues(adev))
1956 goto fail;
1957 }
1958
1959 memset(&memconf, 0, sizeof(memconf));
1960 /* the number of STAs (STA contexts) to support
1961 ** NB: was set to 1 and everything seemed to work nevertheless... */
1962 memconf.no_of_stations = 1; //cpu_to_le16(VEC_SIZE(adev->sta_list));
1963 /* specify the memory block size. Default is 256 */
1964 memconf.memory_block_size = cpu_to_le16(adev->memblocksize);
1965 /* let's use 50%/50% for tx/rx (specify percentage, units of 5%) */
1966 memconf.tx_rx_memory_block_allocation = ACX111_PERCENT(50);
1967 /* set the count of our queues
1968 ** NB: struct acx111_ie_memoryconfig shall be modified
1969 ** if we ever will switch to more than one rx and/or tx queue */
1970 memconf.count_rx_queues = 1;
1971 memconf.count_tx_queues = 1;
1972 /* 0 == Busmaster Indirect Memory Organization, which is what we want
1973 * (using linked host descs with their allocated mem).
1974 * 2 == Generic Bus Slave */
1975 /* done by memset: memconf.options = 0; */
1976 /* let's use 25% for fragmentations and 75% for frame transfers
1977 * (specified in units of 5%) */
1978 memconf.fragmentation = ACX111_PERCENT(75);
1979 /* Rx descriptor queue config */
1980 memconf.rx_queue1_count_descs = RX_CNT;
1981 memconf.rx_queue1_type = 7; /* must be set to 7 */
1982 /* done by memset: memconf.rx_queue1_prio = 0; low prio */
1983 if (IS_PCI(adev)) {
1984 memconf.rx_queue1_host_rx_start =
1985 cpu2acx(adev->rxhostdesc_startphy);
1986 }
1987 /* Tx descriptor queue config */
1988 memconf.tx_queue1_count_descs = TX_CNT;
1989 /* done by memset: memconf.tx_queue1_attributes = 0; lowest priority */
1990
1991 /* NB1: this looks wrong: (memconf,ACX1xx_REG_QUEUE_CONFIG),
1992 ** (queueconf,ACX1xx_REG_MEMORY_CONFIG_OPTIONS) look swapped, eh?
1993 ** But it is actually correct wrt IE numbers.
1994 ** NB2: sizeof(memconf) == 28 == 0x1c but configure(ACX1xx_REG_QUEUE_CONFIG)
1995 ** writes 0x20 bytes (because same IE for acx100 uses struct acx100_ie_queueconfig
1996 ** which is 4 bytes larger. what a mess. TODO: clean it up) */
1997 if (OK != acx_s_configure(adev, &memconf, ACX1xx_REG_QUEUE_CONFIG)) {
1998 goto fail;
1999 }
2000
2001 acx_s_query(adev, &queueconf, ACX1xx_REG_MEMORY_CONFIG_OPTIONS);
2002
2003 tx_queue_start = le32_to_cpu(queueconf.tx1_queue_address);
2004 rx_queue_start = le32_to_cpu(queueconf.rx1_queue_address);
2005
2006 acx_log(LOG_DEBUG, L_INIT, "dump queue head (from card):\n"
2007 "len: %u\n"
2008 "tx_memory_block_address: %X\n"
2009 "rx_memory_block_address: %X\n"
2010 "tx1_queue address: %X\n"
2011 "rx1_queue address: %X\n",
2012 le16_to_cpu(queueconf.len),
2013 le32_to_cpu(queueconf.tx_memory_block_address),
2014 le32_to_cpu(queueconf.rx_memory_block_address),
2015 tx_queue_start, rx_queue_start);
2016
2017 if (IS_PCI(adev))
2018 acxpci_create_desc_queues(adev, tx_queue_start, rx_queue_start);
2019
2020 FN_EXIT1(OK);
2021 return OK;
2022 fail:
2023 if (IS_PCI(adev))
2024 acxpci_free_desc_queues(adev);
2025
2026 FN_EXIT1(NOT_OK);
2027 return NOT_OK;
2028 }
2029
2030
2031 /***********************************************************************
2032 */
2033 static void acx_s_initialize_rx_config(acx_device_t * adev)
2034 {
2035 struct {
2036 u16 id;
2037 u16 len;
2038 u16 rx_cfg1;
2039 u16 rx_cfg2;
2040 } __attribute__ ((packed)) cfg;
2041 switch (adev->mode) {
2042 case ACX_MODE_MONITOR:
2043 adev->rx_config_1 = (u16) (0
2044 /* | RX_CFG1_INCLUDE_RXBUF_HDR */
2045 /* | RX_CFG1_FILTER_SSID */
2046 /* | RX_CFG1_FILTER_BCAST */
2047 /* | RX_CFG1_RCV_MC_ADDR1 */
2048 /* | RX_CFG1_RCV_MC_ADDR0 */
2049 /* | RX_CFG1_FILTER_ALL_MULTI */
2050 /* | RX_CFG1_FILTER_BSSID */
2051 /* | RX_CFG1_FILTER_MAC */
2052 | RX_CFG1_RCV_PROMISCUOUS
2053 | RX_CFG1_INCLUDE_FCS
2054 /* | RX_CFG1_INCLUDE_PHY_HDR */
2055 );
2056 adev->rx_config_2 = (u16) (0
2057 | RX_CFG2_RCV_ASSOC_REQ
2058 | RX_CFG2_RCV_AUTH_FRAMES
2059 | RX_CFG2_RCV_BEACON_FRAMES
2060 | RX_CFG2_RCV_CONTENTION_FREE
2061 | RX_CFG2_RCV_CTRL_FRAMES
2062 | RX_CFG2_RCV_DATA_FRAMES
2063 | RX_CFG2_RCV_BROKEN_FRAMES
2064 | RX_CFG2_RCV_MGMT_FRAMES
2065 | RX_CFG2_RCV_PROBE_REQ
2066 | RX_CFG2_RCV_PROBE_RESP
2067 | RX_CFG2_RCV_ACK_FRAMES
2068 | RX_CFG2_RCV_OTHER);
2069 break;
2070 default:
2071 adev->rx_config_1 = (u16) (0
2072 /* | RX_CFG1_INCLUDE_RXBUF_HDR */
2073 /* | RX_CFG1_FILTER_SSID */
2074 /* | RX_CFG1_FILTER_BCAST */
2075 /* | RX_CFG1_RCV_MC_ADDR1 */
2076 /* | RX_CFG1_RCV_MC_ADDR0 */
2077 /* | RX_CFG1_FILTER_ALL_MULTI */
2078 /* | RX_CFG1_FILTER_BSSID */
2079 /* | RX_CFG1_FILTER_MAC */
2080 | RX_CFG1_RCV_PROMISCUOUS
2081 /* | RX_CFG1_INCLUDE_FCS */
2082 /* | RX_CFG1_INCLUDE_PHY_HDR */
2083 );
2084 adev->rx_config_2 = (u16) (0
2085 | RX_CFG2_RCV_ASSOC_REQ
2086 | RX_CFG2_RCV_AUTH_FRAMES
2087 | RX_CFG2_RCV_BEACON_FRAMES
2088 | RX_CFG2_RCV_CONTENTION_FREE
2089 | RX_CFG2_RCV_CTRL_FRAMES
2090 | RX_CFG2_RCV_DATA_FRAMES
2091 /*| RX_CFG2_RCV_BROKEN_FRAMES */
2092 | RX_CFG2_RCV_MGMT_FRAMES
2093 | RX_CFG2_RCV_PROBE_REQ
2094 | RX_CFG2_RCV_PROBE_RESP
2095 | RX_CFG2_RCV_ACK_FRAMES
2096 | RX_CFG2_RCV_OTHER);
2097 break;
2098 }
2099 adev->rx_config_1 |= RX_CFG1_INCLUDE_RXBUF_HDR;
2100
2101 if ((adev->rx_config_1 & RX_CFG1_INCLUDE_PHY_HDR)
2102 || (adev->firmware_numver >= 0x02000000))
2103 adev->phy_header_len = IS_ACX111(adev) ? 8 : 4;
2104 else
2105 adev->phy_header_len = 0;
2106
2107 acx_log(LOG_DEBUG, L_INIT, "setting RXconfig to %04X:%04X\n",
2108 adev->rx_config_1, adev->rx_config_2);
2109
2110 cfg.rx_cfg1 = cpu_to_le16(adev->rx_config_1);
2111 cfg.rx_cfg2 = cpu_to_le16(adev->rx_config_2);
2112 acx_s_configure(adev, &cfg, ACX1xx_REG_RXCONFIG);
2113 }
2114
2115
2116 /***********************************************************************
2117 ** FIXME: this should be solved in a general way for all radio types
2118 ** by decoding the radio firmware module,
2119 ** since it probably has some standard structure describing how to
2120 ** set the power level of the radio module which it controls.
2121 ** Or maybe not, since the radio module probably has a function interface
2122 ** instead which then manages Tx level programming :-\
2123 **
2124 ** Obvious
2125 */
2126 static int acx111_s_set_tx_level(acx_device_t * adev, u8 level_dbm)
2127 {
2128 struct acx111_ie_tx_level tx_level;
2129
2130 /* my acx111 card has two power levels in its configoptions (== EEPROM):
2131 * 1 (30mW) [15dBm]
2132 * 2 (10mW) [10dBm]
2133 * For now, just assume all other acx111 cards have the same.
2134 * FIXME: Ideally we would query it here, but we first need a
2135 * standard way to query individual configoptions easily.
2136 * Well, now we have proper cfgopt txpower variables, but this still
2137 * hasn't been done yet, since it also requires dBm <-> mW conversion here... */
2138 if (level_dbm <= 12) {
2139 tx_level.level = 2; /* 10 dBm */
2140 adev->tx_level_dbm = 10;
2141 } else {
2142 tx_level.level = 1; /* 15 dBm */
2143 adev->tx_level_dbm = 15;
2144 }
2145 if (level_dbm != adev->tx_level_dbm)
2146 acx_log(LOG_WARNING, L_INIT, "acx111 firmware has specific "
2147 "power levels only: adjusted %d dBm to %d dBm!\n",
2148 level_dbm, adev->tx_level_dbm);
2149
2150 return acx_s_configure(adev, &tx_level, ACX1xx_REG_DOT11_TX_POWER_LEVEL);
2151 }
2152
2153 static int acx_s_set_tx_level(acx_device_t *adev, u8 level_dbm)
2154 {
2155 if (IS_ACX111(adev)) {
2156 return acx111_s_set_tx_level(adev, level_dbm);
2157 }
2158 if (IS_PCI(adev)) {
2159 return acx100pci_s_set_tx_level(adev, level_dbm);
2160 }
2161
2162 return OK;
2163 }
2164
2165
2166 /***********************************************************************
2167 ** acx_s_set_defaults
2168 */
2169 void acx_s_set_defaults(acx_device_t * adev)
2170 {
2171 struct ieee80211_conf *conf = &adev->ieee->conf;
2172 unsigned long flags;
2173 u16 default_irq_mask = (IS_ACX111(adev)) ?
2174 ACX111_DEFAULT_IRQ_MASK :
2175 ACX100_DEFAULT_IRQ_MASK;
2176
2177 FN_ENTER;
2178
2179 acx_lock(adev, flags);
2180 /* do it before getting settings, prevent bogus channel 0 warning */
2181 adev->channel = 1;
2182
2183 /* query some settings from the card.
2184 * NOTE: for some settings, e.g. CCA and ED (ACX100!), an initial
2185 * query is REQUIRED, otherwise the card won't work correctly! */
2186 adev->get_mask =
2187 GETSET_ANTENNA | GETSET_SENSITIVITY | GETSET_STATION_ID |
2188 GETSET_REG_DOMAIN;
2189 /* Only ACX100 supports ED and CCA */
2190 if (IS_ACX100(adev))
2191 adev->get_mask |= GETSET_CCA | GETSET_ED_THRESH;
2192
2193 acx_unlock(adev, flags);
2194
2195 acx_s_update_card_settings(adev);
2196
2197 acx_lock(adev, flags);
2198
2199 /* set our global interrupt mask */
2200 if (IS_PCI(adev))
2201 adev->irq_mask = default_irq_mask;
2202
2203 adev->led_power = 1; /* LED is active on startup */
2204 adev->brange_max_quality = 60; /* LED blink max quality is 60 */
2205 adev->brange_time_last_state_change = jiffies;
2206
2207 /* copy the MAC address we just got from the card
2208 * into our MAC address used during current 802.11 session */
2209 SET_IEEE80211_PERM_ADDR(adev->ieee, adev->dev_addr);
2210 MAC_BCAST(adev->ap);
2211
2212 adev->essid_len =
2213 snprintf(adev->essid, sizeof(adev->essid), "STA%02X%02X%02X",
2214 adev->dev_addr[3], adev->dev_addr[4], adev->dev_addr[5]);
2215 adev->essid_active = 1;
2216
2217 /* we have a nick field to waste, so why not abuse it
2218 * to announce the driver version? ;-) */
2219 strncpy(adev->nick, "acx " ACX_RELEASE, IW_ESSID_MAX_SIZE);
2220
2221 if (IS_PCI(adev)) { /* FIXME: this should be made to apply to USB, too! */
2222 /* first regulatory domain entry in EEPROM == default reg. domain */
2223 adev->reg_dom_id = adev->cfgopt_domains.list[0];
2224 }
2225
2226 /* 0xffff would be better, but then we won't get a "scan complete"
2227 * interrupt, so our current infrastructure will fail: */
2228 adev->scan_count = 1;
2229 adev->scan_mode = ACX_SCAN_OPT_ACTIVE;
2230 adev->scan_duration = 100;
2231 adev->scan_probe_delay = 200;
2232 /* reported to break scanning: adev->scan_probe_delay = adev->cfgopt_probe_delay; */
2233 adev->scan_rate = ACX_SCAN_RATE_1;
2234
2235
2236 adev->mode = ACX_MODE_2_STA;
2237 adev->listen_interval = 100;
2238 adev->beacon_interval = DEFAULT_BEACON_INTERVAL;
2239 adev->dtim_interval = DEFAULT_DTIM_INTERVAL;
2240
2241 adev->msdu_lifetime = DEFAULT_MSDU_LIFETIME;
2242
2243 adev->rts_threshold = DEFAULT_RTS_THRESHOLD;
2244 adev->frag_threshold = 2346;
2245
2246 /* use standard default values for retry limits */
2247 adev->short_retry = 7; /* max. retries for (short) non-RTS packets */
2248 adev->long_retry = 4; /* max. retries for long (RTS) packets */
2249
2250 adev->preamble_mode = 2; /* auto */
2251 adev->fallback_threshold = 3;
2252 adev->stepup_threshold = 10;
2253 adev->rate_bcast = RATE111_1;
2254 adev->rate_bcast100 = RATE100_1;
2255 adev->rate_basic = RATE111_1 | RATE111_2;
2256 adev->rate_auto = 1;
2257 if (IS_ACX111(adev)) {
2258 adev->rate_oper = RATE111_ALL;
2259 } else {
2260 adev->rate_oper = RATE111_ACX100_COMPAT;
2261 }
2262
2263 /* Supported Rates element - the rates here are given in units of
2264 * 500 kbit/s, plus 0x80 added. See 802.11-1999.pdf item 7.3.2.2 */
2265 acx_l_update_ratevector(adev);
2266
2267 /* set some more defaults */
2268 if (IS_ACX111(adev)) {
2269 /* 30mW (15dBm) is default, at least in my acx111 card: */
2270 adev->tx_level_dbm = 15;
2271 conf->power_level = adev->tx_level_dbm;
2272 acx_unlock(adev, flags);
2273 acx_s_set_tx_level(adev, adev->tx_level_dbm);
2274 SET_BIT(adev->set_mask, GETSET_TXPOWER);
2275 acx_lock(adev, flags);
2276 } else {
2277 /* don't use max. level, since it might be dangerous
2278 * (e.g. WRT54G people experience
2279 * excessive Tx power damage!) */
2280 adev->tx_level_dbm = 18;
2281 conf->power_level = adev->tx_level_dbm;
2282 acx_unlock(adev, flags);
2283 acx_s_set_tx_level(adev, adev->tx_level_dbm);
2284 SET_BIT(adev->set_mask, GETSET_TXPOWER);
2285 acx_lock(adev, flags);
2286 }
2287
2288 /* adev->tx_level_auto = 1; */
2289 if (IS_ACX111(adev)) {
2290 /* start with sensitivity level 1 out of 3: */
2291 adev->sensitivity = 1;
2292 }
2293
2294 /* #define ENABLE_POWER_SAVE */
2295 #ifdef ENABLE_POWER_SAVE
2296 adev->ps_wakeup_cfg = PS_CFG_ENABLE | PS_CFG_WAKEUP_ALL_BEAC;
2297 adev->ps_listen_interval = 1;
2298 adev->ps_options =
2299 PS_OPT_ENA_ENHANCED_PS | PS_OPT_TX_PSPOLL | PS_OPT_STILL_RCV_BCASTS;
2300 adev->ps_hangover_period = 30;
2301 adev->ps_enhanced_transition_time = 0;
2302 #else
2303 adev->ps_wakeup_cfg = 0;
2304 adev->ps_listen_interval = 0;
2305 adev->ps_options = 0;
2306 adev->ps_hangover_period = 0;
2307 adev->ps_enhanced_transition_time = 0;
2308 #endif
2309
2310 /* These settings will be set in fw on ifup */
2311 adev->set_mask = 0 | GETSET_RETRY | SET_MSDU_LIFETIME
2312 /* configure card to do rate fallback when in auto rate mode */
2313 | SET_RATE_FALLBACK | SET_RXCONFIG | GETSET_TXPOWER
2314 /* better re-init the antenna value we got above */
2315 | GETSET_ANTENNA
2316 #if POWER_SAVE_80211
2317 | GETSET_POWER_80211
2318 #endif
2319 ;
2320
2321 acx_unlock(adev, flags);
2322 acx_lock_unhold(); /* hold time 844814 CPU ticks @2GHz */
2323
2324 acx_s_initialize_rx_config(adev);
2325
2326 FN_EXIT0;
2327 }
2328
2329
2330 /***********************************************************************
2331 ** acx_l_process_rxbuf
2332 **
2333 ** NB: used by USB code also
2334 */
2335 void acx_l_process_rxbuf(acx_device_t * adev, rxbuffer_t * rxbuf)
2336 {
2337 struct ieee80211_hdr *hdr;
2338 u16 fc, buf_len;
2339
2340 FN_ENTER;
2341
2342 hdr = acx_get_wlan_hdr(adev, rxbuf);
2343 fc = le16_to_cpu(hdr->frame_control);
2344 /* length of frame from control field to first byte of FCS */
2345 buf_len = RXBUF_BYTES_RCVD(adev, rxbuf);
2346
2347 acx_log_dump(LOG_DEBUG, L_DATA, hdr, buf_len, "RX: 802.11 buffer:\n");
2348
2349 acx_l_rx(adev, rxbuf);
2350 /* Now check Rx quality level, AFTER processing packet.
2351 * I tried to figure out how to map these levels to dBm
2352 * values, but for the life of me I really didn't
2353 * manage to get it. Either these values are not meant to
2354 * be expressed in dBm, or it's some pretty complicated
2355 * calculation. */
2356
2357 #ifdef FROM_SCAN_SOURCE_ONLY
2358 /* only consider packets originating from the MAC
2359 * address of the device that's managing our BSSID.
2360 * Disable it for now, since it removes information (levels
2361 * from different peers) and slows the Rx path. *//*
2362 if (adev->ap_client && mac_is_equal(hdr->a2, adev->ap_client->address)) {
2363 */
2364 #endif
2365
2366 FN_EXIT0;
2367 }
2368
2369
2370 /***********************************************************************
2371 ** acx_l_handle_txrate_auto
2372 **
2373 ** Theory of operation:
2374 ** client->rate_cap is a bitmask of rates client is capable of.
2375 ** client->rate_cfg is a bitmask of allowed (configured) rates.
2376 ** It is set as a result of iwconfig rate N [auto]
2377 ** or iwpriv set_rates "N,N,N N,N,N" commands.
2378 ** It can be fixed (e.g. 0x0080 == 18Mbit only),
2379 ** auto (0x00ff == 18Mbit or any lower value),
2380 ** and code handles any bitmask (0x1081 == try 54Mbit,18Mbit,1Mbit _only_).
2381 **
2382 ** client->rate_cur is a value for rate111 field in tx descriptor.
2383 ** It is always set to txrate_cfg sans zero or more most significant
2384 ** bits. This routine handles selection of new rate_cur value depending on
2385 ** outcome of last tx event.
2386 **
2387 ** client->rate_100 is a precalculated rate value for acx100
2388 ** (we can do without it, but will need to calculate it on each tx).
2389 **
2390 ** You cannot configure mixed usage of 5.5 and/or 11Mbit rate
2391 ** with PBCC and CCK modulation. Either both at CCK or both at PBCC.
2392 ** In theory you can implement it, but so far it is considered not worth doing.
2393 **
2394 ** 22Mbit, of course, is PBCC always. */
2395
2396 /* maps acx100 tx descr rate field to acx111 one */
2397 /*
2398 static u16 rate100to111(u8 r)
2399 {
2400 switch (r) {
2401 case RATE100_1:
2402 return RATE111_1;
2403 case RATE100_2:
2404 return RATE111_2;
2405 case RATE100_5:
2406 case (RATE100_5 | RATE100_PBCC511):
2407 return RATE111_5;
2408 case RATE100_11:
2409 case (RATE100_11 | RATE100_PBCC511):
2410 return RATE111_11;
2411 case RATE100_22:
2412 return RATE111_22;
2413 default:
2414 printk("acx: unexpected acx100 txrate: %u! "
2415 "Please report\n", r);
2416 return RATE111_1;
2417 }
2418 }
2419
2420 */
2421
2422 int
2423 acx_i_start_xmit(struct ieee80211_hw *hw,
2424 struct sk_buff *skb, struct ieee80211_tx_control *ctl)
2425 {
2426 acx_device_t *adev = ieee2adev(hw);
2427 tx_t *tx;
2428 void *txbuf;
2429 unsigned long flags;
2430
2431 int txresult = NOT_OK;
2432
2433 FN_ENTER;
2434
2435 if (unlikely(!skb)) {
2436 /* indicate success */
2437 txresult = OK;
2438 goto out;
2439 }
2440
2441 if (unlikely(!adev)) {
2442 goto out;
2443 }
2444
2445 if (unlikely(!(adev->dev_state_mask & ACX_STATE_IFACE_UP))) {
2446 goto out;
2447 }
2448 if (unlikely(!adev->initialized)) {
2449 goto out;
2450 }
2451
2452 acx_lock(adev, flags);
2453
2454 tx = acx_l_alloc_tx(adev);
2455
2456 if (unlikely(!tx)) {
2457 acx_log_ratelimited(LOG_WARNING, L_ANY, "%s: start_xmit: "
2458 "txdesc ring is full, dropping tx\n",
2459 wiphy_name(adev->ieee->wiphy));
2460 txresult = NOT_OK;
2461 goto out_unlock;
2462 }
2463
2464 txbuf = acx_l_get_txbuf(adev, tx);
2465
2466 if (unlikely(!txbuf)) {
2467 /* Card was removed */
2468 txresult = NOT_OK;
2469 acx_l_dealloc_tx(adev, tx);
2470 goto out_unlock;
2471 }
2472 memcpy(txbuf, skb->data, skb->len);
2473
2474 acx_l_tx_data(adev, tx, skb->len, ctl,skb);
2475
2476 txresult = OK;
2477 adev->stats.tx_packets++;
2478 adev->stats.tx_bytes += skb->len;
2479
2480 out_unlock:
2481 acx_unlock(adev, flags);
2482
2483 out:
2484 FN_EXIT1(txresult);
2485 return txresult;
2486 }
2487 /***********************************************************************
2488 ** acx_l_update_ratevector
2489 **
2490 ** Updates adev->rate_supported[_len] according to rate_{basic,oper}
2491 */
2492 const u8 acx_bitpos2ratebyte[] = {
2493 DOT11RATEBYTE_1,
2494 DOT11RATEBYTE_2,
2495 DOT11RATEBYTE_5_5,
2496 DOT11RATEBYTE_6_G,
2497 DOT11RATEBYTE_9_G,
2498 DOT11RATEBYTE_11,
2499 DOT11RATEBYTE_12_G,
2500 DOT11RATEBYTE_18_G,
2501 DOT11RATEBYTE_22,
2502 DOT11RATEBYTE_24_G,
2503 DOT11RATEBYTE_36_G,
2504 DOT11RATEBYTE_48_G,
2505 DOT11RATEBYTE_54_G,
2506 };
2507
2508 void acx_l_update_ratevector(acx_device_t * adev)
2509 {
2510 u16 bcfg = adev->rate_basic;
2511 u16 ocfg = adev->rate_oper;
2512 u8 *supp = adev->rate_supported;
2513 const u8 *dot11 = acx_bitpos2ratebyte;
2514
2515 FN_ENTER;
2516
2517 while (ocfg) {
2518 if (ocfg & 1) {
2519 *supp = *dot11;
2520 if (bcfg & 1) {
2521 *supp |= 0x80;
2522 }
2523 supp++;
2524 }
2525 dot11++;
2526 ocfg >>= 1;
2527 bcfg >>= 1;
2528 }
2529 adev->rate_supported_len = supp - adev->rate_supported;
2530
2531 acx_log_dump(LOG_DEBUG, L_ASSOC, adev->rate_supported,
2532 adev->rate_supported_len, "new ratevector:\n");
2533
2534 FN_EXIT0;
2535 }
2536
2537 /***********************************************************************
2538 ** acx_i_timer
2539 **
2540 ** Fires up periodically. Used to kick scan/auth/assoc if something goes wrong
2541 **
2542 ** Obvious
2543 */
2544 void acx_i_timer(unsigned long address)
2545 {
2546 unsigned long flags;
2547 acx_device_t *adev = (acx_device_t *) address;
2548
2549 FN_ENTER;
2550
2551 acx_lock(adev, flags);
2552
2553 FIXME();
2554 /* We need calibration and stats gather tasks to perform here */
2555
2556 acx_unlock(adev, flags);
2557
2558 FN_EXIT0;
2559 }
2560
2561
2562 /***********************************************************************
2563 ** acx_set_timer
2564 **
2565 ** Sets the 802.11 state management timer's timeout.
2566 **
2567 ** Linux derived
2568 */
2569 void acx_set_timer(acx_device_t * adev, int timeout_us)
2570 {
2571 FN_ENTER;
2572
2573 acx_log(LOG_DEBUG, L_REALLYVERBOSE | L_IRQ,
2574 "%s(%u ms)\n", __func__, timeout_us / 1000);
2575
2576 if (!(adev->dev_state_mask & ACX_STATE_IFACE_UP)) {
2577 acx_log(LOG_WARNING, L_ANY, "attempt to set the timer "
2578 "when the card interface is not up!\n");
2579 goto end;
2580 }
2581
2582 /* first check if the timer was already initialized, THEN modify it */
2583 if (adev->mgmt_timer.function) {
2584 mod_timer(&adev->mgmt_timer,
2585 jiffies + (timeout_us * HZ / 1000000));
2586 }
2587 end:
2588 FN_EXIT0;
2589 }
2590
2591 /** acx_plcp_get_bitrate_cck
2592 **
2593 ** Obvious
2594 */
2595 static u8 acx_plcp_get_bitrate_cck(u8 plcp)
2596 {
2597 switch (plcp) {
2598 case 0x0A:
2599 return ACX_CCK_RATE_1MB;
2600 case 0x14:
2601 return ACX_CCK_RATE_2MB;
2602 case 0x37:
2603 return ACX_CCK_RATE_5MB;
2604 case 0x6E:
2605 return ACX_CCK_RATE_11MB;
2606 }
2607 return 0;
2608 }
2609
2610 /* Extract the bitrate out of an OFDM PLCP header. */
2611 /** Obvious **/
2612 static u8 acx_plcp_get_bitrate_ofdm(u8 plcp)
2613 {
2614 switch (plcp & 0xF) {
2615 case 0xB:
2616 return ACX_OFDM_RATE_6MB;
2617 case 0xF:
2618 return ACX_OFDM_RATE_9MB;
2619 case 0xA:
2620 return ACX_OFDM_RATE_12MB;
2621 case 0xE:
2622 return ACX_OFDM_RATE_18MB;
2623 case 0x9:
2624 return ACX_OFDM_RATE_24MB;
2625 case 0xD:
2626 return ACX_OFDM_RATE_36MB;
2627 case 0x8:
2628 return ACX_OFDM_RATE_48MB;
2629 case 0xC:
2630 return ACX_OFDM_RATE_54MB;
2631 }
2632 return 0;
2633 }
2634
2635
2636 /***********************************************************************
2637 ** acx_l_rx
2638 **
2639 ** The end of the Rx path. Pulls data from a rxhostdesc into a socket
2640 ** buffer and feeds it to the network stack via netif_rx().
2641 **
2642 ** Look to bcm43xx or p54
2643 */
2644 static void acx_l_rx(acx_device_t * adev, rxbuffer_t * rxbuf)
2645 {
2646
2647 struct ieee80211_rx_status* status = &adev->rx_status;
2648 struct ieee80211_hdr *w_hdr;
2649 struct sk_buff *skb;
2650 int buflen;
2651 FN_ENTER;
2652
2653 if (unlikely(!(adev->dev_state_mask & ACX_STATE_IFACE_UP))) {
2654 acx_log_ratelimited(LOG_WARNING, L_ANY,
2655 "asked to receive a packet but interface is down??\n");
2656 goto out;
2657 }
2658
2659 w_hdr = acx_get_wlan_hdr(adev, rxbuf);
2660 buflen = RXBUF_BYTES_USED(rxbuf) - ((u8*)w_hdr - (u8*)rxbuf);
2661 /*
2662 * Allocate our skb
2663 */
2664 skb = dev_alloc_skb(buflen + 2);
2665
2666 if (!skb) {
2667 acx_log_ratelimited(LOG_WARNING, L_ANY,
2668 "skb allocation FAILED\n");
2669 goto out;
2670 }
2671
2672 skb_reserve(skb, 2);
2673 skb_put(skb, buflen);
2674 memcpy(skb->data, w_hdr, buflen);
2675
2676 // memset(&status, 0, sizeof(status));
2677
2678 status->mactime = rxbuf->time;
2679 status->signal = acx_signal_to_winlevel(rxbuf->phy_level);
2680 status->noise = acx_signal_to_winlevel(rxbuf->phy_snr);
2681 status->flag = 0;
2682 status->rate = rxbuf->phy_plcp_signal;
2683 status->antenna = 1;
2684 if (rxbuf->phy_stat_baseband & (1 << 3)) { /* Uses OFDM */
2685 status->rate = acx_plcp_get_bitrate_ofdm(rxbuf->phy_plcp_signal);
2686 } else {
2687 status->rate = acx_plcp_get_bitrate_cck(rxbuf->phy_plcp_signal);
2688 }
2689
2690 /*
2691 * FIXME: should it really be done here??
2692 */
2693 ieee80211_rx_irqsafe(adev->ieee, skb, status);
2694 adev->stats.rx_packets++;
2695 adev->stats.rx_bytes += skb->len;
2696 out:
2697 FN_EXIT0;
2698 }
2699
2700
2701
2702 /***********************************************************************
2703 ** acx_s_read_fw
2704 **
2705 ** Loads a firmware image
2706 **
2707 ** Returns:
2708 ** 0 unable to load file
2709 ** pointer to firmware success
2710 */
2711 firmware_image_t *acx_s_read_fw(struct device *dev, const char *file,
2712 u32 * size)
2713 {
2714 firmware_image_t *res;
2715 const struct firmware *fw_entry;
2716
2717 res = NULL;
2718 acx_log(LOG_INFO, L_INIT, "requesting firmware image '%s'\n", file);
2719 if (!request_firmware(&fw_entry, file, dev)) {
2720 *size = 8;
2721 if (fw_entry->size >= 8)
2722 *size = 8 + le32_to_cpu(*(u32 *) (fw_entry->data + 4));
2723 if (fw_entry->size != *size) {
2724 acx_log(LOG_WARNING, L_ANY,
2725 "acx: firmware size does not match "
2726 "firmware header: %d != %d, "
2727 "aborting fw upload\n",
2728 (int)fw_entry->size, (int)*size);
2729 goto release_ret;
2730 }
2731 res = vmalloc(*size);
2732 if (!res) {
2733 acx_log(LOG_INFO, L_ANY, "acx: no memory for firmware "
2734 "(%u bytes)\n", *size);
2735 goto release_ret;
2736 }
2737 memcpy(res, fw_entry->data, fw_entry->size);
2738 release_ret:
2739 release_firmware(fw_entry);
2740 return res;
2741 }
2742 acx_log(LOG_WARNING, L_ANY, "acx: firmware image '%s' was not provided. "
2743 "Check your hotplug scripts\n", file);
2744
2745 /* checksum will be verified in write_fw, so don't bother here */
2746 return res;
2747 }
2748
2749
2750 /***********************************************************************
2751 ** acx_s_set_wepkey
2752 */
2753 static void acx100_s_set_wepkey(acx_device_t * adev)
2754 {
2755 ie_dot11WEPDefaultKey_t dk;
2756 int i;
2757
2758 for (i = 0; i < DOT11_MAX_DEFAULT_WEP_KEYS; i++) {
2759 if (adev->wep_keys[i].size != 0) {
2760 acx_log(LOG_DEBUG, L_INIT, "setting WEP key: %d with "
2761 "total size: %d\n",
2762 i, (int)adev->wep_keys[i].size);
2763 dk.action = 1;
2764 dk.keySize = adev->wep_keys[i].size;
2765 dk.defaultKeyNum = i;
2766 memcpy(dk.key, adev->wep_keys[i].key, dk.keySize);
2767 acx_s_configure(adev, &dk,
2768 ACX100_REG_DOT11_WEP_DEFAULT_KEY_WRITE);
2769 }
2770 }
2771 }
2772
2773 static void acx111_s_set_wepkey(acx_device_t * adev)
2774 {
2775 acx111WEPDefaultKey_t dk;
2776 int i;
2777
2778 for (i = 0; i < DOT11_MAX_DEFAULT_WEP_KEYS; i++) {
2779 if (adev->wep_keys[i].size != 0) {
2780 acx_log(LOG_DEBUG, L_INIT, "setting WEP key: %d with "
2781 "total size: %d\n", i,
2782 (int)adev->wep_keys[i].size);
2783 memset(&dk, 0, sizeof(dk));
2784 dk.action = cpu_to_le16(1); /* "add key"; yes, that's a 16bit value */
2785 dk.keySize = adev->wep_keys[i].size;
2786
2787 /* are these two lines necessary? */
2788 dk.type = 0; /* default WEP key */
2789 dk.index = 0; /* ignored when setting default key */
2790
2791 dk.defaultKeyNum = i;
2792 memcpy(dk.key, adev->wep_keys[i].key, dk.keySize);
2793 acx_s_issue_cmd(adev, ACX1xx_CMD_WEP_MGMT, &dk,
2794 sizeof(dk));
2795 }
2796 }
2797 }
2798 /* Obvious */
2799 static void acx_s_set_wepkey(acx_device_t * adev)
2800 {
2801 if (IS_ACX111(adev))
2802 acx111_s_set_wepkey(adev);
2803 else
2804 acx100_s_set_wepkey(adev);
2805 }
2806
2807
2808 /***********************************************************************
2809 ** acx100_s_init_wep
2810 **
2811 ** FIXME: this should probably be moved into the new card settings
2812 ** management, but since we're also modifying the memory map layout here
2813 ** due to the WEP key space we want, we should take care...
2814 */
2815 static int acx100_s_init_wep(acx_device_t * adev)
2816 {
2817 acx100_ie_wep_options_t options;
2818 ie_dot11WEPDefaultKeyID_t dk;
2819 acx_ie_memmap_t pt;
2820 int res = NOT_OK;
2821
2822 FN_ENTER;
2823
2824 if (OK != acx_s_query(adev, &pt, ACX1xx_REG_MEMORY_MAP)) {
2825 goto fail;
2826 }
2827
2828 acx_log(LOG_DEBUG, L_REALLYVERBOSE, "CodeEnd:%X\n", pt.CodeEnd);
2829
2830 pt.WEPCacheStart = cpu_to_le32(le32_to_cpu(pt.CodeEnd) + 0x4);
2831 pt.WEPCacheEnd = cpu_to_le32(le32_to_cpu(pt.CodeEnd) + 0x4);
2832
2833 if (OK != acx_s_configure(adev, &pt, ACX1xx_REG_MEMORY_MAP)) {
2834 goto fail;
2835 }
2836
2837 /* let's choose maximum setting: 4 default keys, plus 10 other keys: */
2838 options.NumKeys = cpu_to_le16(DOT11_MAX_DEFAULT_WEP_KEYS + 10);
2839 options.WEPOption = 0x00;
2840
2841 acx_log(LOG_DEBUG, L_ASSOC, "writing WEP options\n");
2842 acx_s_configure(adev, &options, ACX100_REG_WEP_OPTIONS);
2843
2844 acx100_s_set_wepkey(adev);
2845
2846 if (adev->wep_keys[adev->wep_current_index].size != 0) {
2847 acx_log(LOG_DEBUG, L_ASSOC,
2848 "setting active default WEP key number: %d\n",
2849 adev->wep_current_index);
2850 dk.KeyID = adev->wep_current_index;
2851 acx_s_configure(adev, &dk, ACX1xx_REG_DOT11_WEP_DEFAULT_KEY_SET); /* 0x1010 */
2852 }
2853 /* FIXME!!! wep_key_struct is filled nowhere! But adev
2854 * is initialized to 0, and we don't REALLY need those keys either */
2855 /* for (i = 0; i < 10; i++) {
2856 if (adev->wep_key_struct[i].len != 0) {
2857 MAC_COPY(wep_mgmt.MacAddr, adev->wep_key_struct[i].addr);
2858 wep_mgmt.KeySize = cpu_to_le16(adev->wep_key_struct[i].len);
2859 memcpy(&wep_mgmt.Key, adev->wep_key_struct[i].key, le16_to_cpu(wep_mgmt.KeySize));
2860 wep_mgmt.Action = cpu_to_le16(1);
2861 log(L_ASSOC, "writing WEP key %d (len %d)\n", i, le16_to_cpu(wep_mgmt.KeySize));
2862 if (OK == acx_s_issue_cmd(adev, ACX1xx_CMD_WEP_MGMT, &wep_mgmt, sizeof(wep_mgmt))) {
2863 adev->wep_key_struct[i].index = i;
2864 }
2865 }
2866 }
2867 */
2868
2869 /* now retrieve the updated WEPCacheEnd pointer... */
2870 if (OK != acx_s_query(adev, &pt, ACX1xx_REG_MEMORY_MAP)) {
2871 acx_log(LOG_WARNING, L_ANY,
2872 "%s: ACX1xx_REG_MEMORY_MAP read #2 FAILED\n",
2873 wiphy_name(adev->ieee->wiphy));
2874 goto fail;
2875 }
2876 /* ...and tell it to start allocating templates at that location */
2877 /* (no endianness conversion needed) */
2878 pt.PacketTemplateStart = pt.WEPCacheEnd;
2879
2880 if (OK != acx_s_configure(adev, &pt, ACX1xx_REG_MEMORY_MAP)) {
2881 acx_log(LOG_WARNING, L_ANY,
2882 "%s: ACX1xx_REG_MEMORY_MAP write #2 FAILED\n",
2883 wiphy_name(adev->ieee->wiphy));
2884 goto fail;
2885 }
2886 res = OK;
2887
2888 fail:
2889 FN_EXIT1(res);
2890 return res;
2891 }
2892
2893
2894 static int
2895 acx_s_init_max_template_generic(acx_device_t * adev, unsigned int len,
2896 unsigned int cmd)
2897 {
2898 int res;
2899 union {
2900 acx_template_nullframe_t null;
2901 acx_template_beacon_t b;
2902 acx_template_tim_t tim;
2903 acx_template_probereq_t preq;
2904 acx_template_proberesp_t presp;
2905 } templ;
2906
2907 memset(&templ, 0, len);
2908 templ.null.size = cpu_to_le16(len - 2);
2909 res = acx_s_issue_cmd(adev, cmd, &templ, len);
2910 return res;
2911 }
2912
2913 static inline int acx_s_init_max_null_data_template(acx_device_t * adev)
2914 {
2915 return acx_s_init_max_template_generic(adev,
2916 sizeof(acx_template_nullframe_t),
2917 ACX1xx_CMD_CONFIG_NULL_DATA);
2918 }
2919
2920 static inline int acx_s_init_max_beacon_template(acx_device_t * adev)
2921 {
2922 return acx_s_init_max_template_generic(adev,
2923 sizeof(acx_template_beacon_t),
2924 ACX1xx_CMD_CONFIG_BEACON);
2925 }
2926
2927 static inline int acx_s_init_max_tim_template(acx_device_t * adev)
2928 {
2929 return acx_s_init_max_template_generic(adev, sizeof(acx_template_tim_t),
2930 ACX1xx_CMD_CONFIG_TIM);
2931 }
2932
2933 static inline int acx_s_init_max_probe_response_template(acx_device_t * adev)
2934 {
2935 return acx_s_init_max_template_generic(adev,
2936 sizeof(acx_template_proberesp_t),
2937 ACX1xx_CMD_CONFIG_PROBE_RESPONSE);
2938 }
2939
2940 static inline int acx_s_init_max_probe_request_template(acx_device_t * adev)
2941 {
2942 return acx_s_init_max_template_generic(adev,
2943 sizeof(acx_template_probereq_t),
2944 ACX1xx_CMD_CONFIG_PROBE_REQUEST);
2945 }
2946
2947 /***********************************************************************
2948 ** acx_s_set_tim_template
2949 **
2950 ** FIXME: In full blown driver we will regularly update partial virtual bitmap
2951 ** by calling this function
2952 ** (it can be done by irq handler on each DTIM irq or by timer...)
2953
2954 [802.11 7.3.2.6] TIM information element:
2955 - 1 EID
2956 - 1 Length
2957 1 1 DTIM Count
2958 indicates how many beacons (including this) appear before next DTIM
2959 (0=this one is a DTIM)
2960 2 1 DTIM Period
2961 number of beacons between successive DTIMs
2962 (0=reserved, 1=all TIMs are DTIMs, 2=every other, etc)
2963 3 1 Bitmap Control
2964 bit0: Traffic Indicator bit associated with Assoc ID 0 (Bcast AID?)
2965 set to 1 in TIM elements with a value of 0 in the DTIM Count field
2966 when one or more broadcast or multicast frames are buffered at the AP.
2967 bit1-7: Bitmap Offset (logically Bitmap_Offset = Bitmap_Control & 0xFE).
2968 4 n Partial Virtual Bitmap
2969 Visible part of traffic-indication bitmap.
2970 Full bitmap consists of 2008 bits (251 octets) such that bit number N
2971 (0<=N<=2007) in the bitmap corresponds to bit number (N mod 8)
2972 in octet number N/8 where the low-order bit of each octet is bit0,
2973 and the high order bit is bit7.
2974 Each set bit in virtual bitmap corresponds to traffic buffered by AP
2975 for a specific station (with corresponding AID?).
2976 Partial Virtual Bitmap shows a part of bitmap which has non-zero.
2977 Bitmap Offset is a number of skipped zero octets (see above).
2978 'Missing' octets at the tail are also assumed to be zero.
2979 Example: Length=6, Bitmap_Offset=2, Partial_Virtual_Bitmap=55 55 55
2980 This means that traffic-indication bitmap is:
2981 00000000 00000000 01010101 01010101 01010101 00000000 00000000...
2982 (is bit0 in the map is always 0 and real value is in Bitmap Control bit0?)
2983 */
2984 static int acx_s_set_tim_template(acx_device_t * adev)
2985 {
2986 /* For now, configure smallish test bitmap, all zero ("no pending data") */
2987 enum { bitmap_size = 5 };
2988
2989 acx_template_tim_t t;
2990 int result;
2991
2992 FN_ENTER;
2993
2994 memset(&t, 0, sizeof(t));
2995 t.size = 5 + bitmap_size; /* eid+len+count+period+bmap_ctrl + bmap */
2996 t.tim_eid = WLAN_EID_TIM;
2997 t.len = 3 + bitmap_size; /* count+period+bmap_ctrl + bmap */
2998 result = acx_s_issue_cmd(adev, ACX1xx_CMD_CONFIG_TIM, &t, sizeof(t));
2999 FN_EXIT1(result);
3000 return result;
3001 }
3002
3003
3004
3005
3006 #if POWER_SAVE_80211
3007 /***********************************************************************
3008 ** acx_s_set_null_data_template
3009 */
3010 static int acx_s_set_null_data_template(acx_device_t * adev)
3011 {
3012 struct acx_template_nullframe b;
3013 int result;
3014
3015 FN_ENTER;
3016
3017 /* memset(&b, 0, sizeof(b)); not needed, setting all members */
3018
3019 b.size = cpu_to_le16(sizeof(b) - 2);
3020 b.hdr.fc = WF_FTYPE_MGMTi | WF_FSTYPE_NULLi;
3021 b.hdr.dur = 0;
3022 MAC_BCAST(b.hdr.a1);
3023 MAC_COPY(b.hdr.a2, adev->dev_addr);
3024 MAC_COPY(b.hdr.a3, adev->bssid);
3025 b.hdr.seq = 0;
3026
3027 result =
3028 acx_s_issue_cmd(adev, ACX1xx_CMD_CONFIG_NULL_DATA, &b, sizeof(b));
3029
3030 FN_EXIT1(result);
3031 return result;
3032 }
3033 #endif
3034
3035
3036
3037
3038
3039
3040 /***********************************************************************
3041 ** acx_s_init_packet_templates()
3042 **
3043 ** NOTE: order is very important here, to have a correct memory layout!
3044 ** init templates: max Probe Request (station mode), max NULL data,
3045 ** max Beacon, max TIM, max Probe Response.
3046 */
3047 static int acx_s_init_packet_templates(acx_device_t * adev)
3048 {
3049 acx_ie_memmap_t mm; /* ACX100 only */
3050 int result = NOT_OK;
3051
3052 FN_ENTER;
3053
3054 acx_log(LOG_DEBUG, L_REALLYVERBOSE | L_INIT,
3055 "initializing max packet templates\n");
3056
3057 if (OK != acx_s_init_max_probe_request_template(adev))
3058 goto failed;
3059
3060 if (OK != acx_s_init_max_null_data_template(adev))
3061 goto failed;
3062
3063 if (OK != acx_s_init_max_beacon_template(adev))
3064 goto failed;
3065
3066 if (OK != acx_s_init_max_tim_template(adev))
3067 goto failed;
3068
3069 if (OK != acx_s_init_max_probe_response_template(adev))
3070 goto failed;
3071
3072 if (IS_ACX111(adev)) {
3073 /* ACX111 doesn't need the memory map magic below,
3074 * and the other templates will be set later (acx_start) */
3075 result = OK;
3076 goto success;
3077 }
3078
3079 /* ACX100 will have its TIM template set,
3080 * and we also need to update the memory map */
3081
3082 if (OK != acx_s_set_tim_template(adev))
3083 goto failed_acx100;
3084
3085 acx_log(LOG_DEBUG, L_REALLYVERBOSE,
3086 "sizeof(memmap)=%d bytes\n", (int)sizeof(mm));
3087
3088 if (OK != acx_s_query(adev, &mm, ACX1xx_REG_MEMORY_MAP))
3089 goto failed_acx100;
3090
3091 mm.QueueStart = cpu_to_le32(le32_to_cpu(mm.PacketTemplateEnd) + 4);
3092 if (OK != acx_s_configure(adev, &mm, ACX1xx_REG_MEMORY_MAP))
3093 goto failed_acx100;
3094
3095 result = OK;
3096 goto success;
3097
3098 failed_acx100:
3099 acx_log(LOG_DEBUG, L_REALLYVERBOSE | L_INIT,
3100 /* "cb=0x%X\n" */
3101 "ACXMemoryMap:\n"
3102 ".CodeStart=0x%X\n"
3103 ".CodeEnd=0x%X\n"
3104 ".WEPCacheStart=0x%X\n"
3105 ".WEPCacheEnd=0x%X\n"
3106 ".PacketTemplateStart=0x%X\n" ".PacketTemplateEnd=0x%X\n",
3107 /* len, */
3108 le32_to_cpu(mm.CodeStart),
3109 le32_to_cpu(mm.CodeEnd),
3110 le32_to_cpu(mm.WEPCacheStart),
3111 le32_to_cpu(mm.WEPCacheEnd),
3112 le32_to_cpu(mm.PacketTemplateStart),
3113 le32_to_cpu(mm.PacketTemplateEnd));
3114
3115 failed:
3116 acx_log(LOG_WARNING, L_ANY, "%s: %s() FAILED\n",
3117 wiphy_name(adev->ieee->wiphy), __func__);
3118
3119 success:
3120 FN_EXIT1(result);
3121 return result;
3122 }
3123
3124
3125
3126 /***********************************************************************
3127 ** acx_s_init_mac
3128 */
3129 int acx_s_init_mac(acx_device_t * adev)
3130 {
3131 int result = NOT_OK;
3132
3133 FN_ENTER;
3134
3135 if (IS_ACX111(adev)) {
3136 adev->ie_len = acx111_ie_len;
3137 adev->ie_len_dot11 = acx111_ie_len_dot11;
3138 } else {
3139 adev->ie_len = acx100_ie_len;
3140 adev->ie_len_dot11 = acx100_ie_len_dot11;
3141 }
3142
3143 if (IS_PCI(adev)) {
3144 adev->memblocksize = 256; /* 256 is default */
3145 /* try to load radio for both ACX100 and ACX111, since both
3146 * chips have at least some firmware versions making use of an
3147 * external radio module */
3148 acxpci_s_upload_radio(adev);
3149 } else {
3150 adev->memblocksize = 128;
3151 }
3152
3153 if (IS_ACX111(adev)) {
3154 /* for ACX111, the order is different from ACX100
3155 1. init packet templates
3156 2. create station context and create dma regions
3157 3. init wep default keys
3158 */
3159 if (OK != acx_s_init_packet_templates(adev))
3160 goto fail;
3161 if (OK != acx111_s_create_dma_regions(adev)) {
3162 acx_log(LOG_WARNING, L_ANY,
3163 "%s: acx111_create_dma_regions FAILED\n",
3164 wiphy_name(adev->ieee->wiphy));
3165 goto fail;
3166 }
3167 } else {
3168 if (OK != acx100_s_init_wep(adev))
3169 goto fail;
3170 if (OK != acx_s_init_packet_templates(adev))
3171 goto fail;
3172 if (OK != acx100_s_create_dma_regions(adev)) {
3173 acx_log(LOG_WARNING, L_ANY,
3174 "%s: acx100_create_dma_regions FAILED\n",
3175 wiphy_name(adev->ieee->wiphy));
3176 goto fail;
3177 }
3178 }
3179
3180 SET_IEEE80211_PERM_ADDR(adev->ieee, adev->dev_addr);
3181 result = OK;
3182
3183 fail:
3184 if (result)
3185 acx_log(LOG_WARNING, L_ANY, "init_mac() FAILED\n");
3186 FN_EXIT1(result);
3187 return result;
3188 }
3189
3190
3191
3192 #if POWER_SAVE_80211
3193 static void acx_s_update_80211_powersave_mode(acx_device_t * adev)
3194 {
3195 /* merge both structs in a union to be able to have common code */
3196 union {
3197 acx111_ie_powersave_t acx111;
3198 acx100_ie_powersave_t acx100;
3199 } pm;
3200
3201 /* change 802.11 power save mode settings */
3202 acx_log(LOG_DEBUG, L_INIT, "updating 802.11 power save mode settings: "
3203 "wakeup_cfg 0x%02X, listen interval %u, "
3204 "options 0x%02X, hangover period %u, "
3205 "enhanced_ps_transition_time %u\n",
3206 adev->ps_wakeup_cfg, adev->ps_listen_interval,
3207 adev->ps_options, adev->ps_hangover_period,
3208 adev->ps_enhanced_transition_time);
3209 acx_s_query(adev, &pm, ACX1xx_REG_POWER_MGMT);
3210 acx_log(LOG_DEBUG, L_INIT, "Previous PS mode settings: "
3211 "wakeup_cfg 0x%02X, "
3212 "listen interval %u, options 0x%02X, "
3213 "hangover period %u, "
3214 "enhanced_ps_transition_time %u, beacon_rx_time %u\n",
3215 pm.acx111.wakeup_cfg,
3216 pm.acx111.listen_interval,
3217 pm.acx111.options,
3218 pm.acx111.hangover_period,
3219 IS_ACX111(adev) ?
3220 pm.acx111.enhanced_ps_transition_time
3221 : pm.acx100.enhanced_ps_transition_time,
3222 IS_ACX111(adev) ? pm.acx111.beacon_rx_time : (u32) - 1);
3223 pm.acx111.wakeup_cfg = adev->ps_wakeup_cfg;
3224 pm.acx111.listen_interval = adev->ps_listen_interval;
3225 pm.acx111.options = adev->ps_options;
3226 pm.acx111.hangover_period = adev->ps_hangover_period;
3227 if (IS_ACX111(adev)) {
3228 pm.acx111.beacon_rx_time = cpu_to_le32(adev->ps_beacon_rx_time);
3229 pm.acx111.enhanced_ps_transition_time =
3230 cpu_to_le32(adev->ps_enhanced_transition_time);
3231 } else {
3232 pm.acx100.enhanced_ps_transition_time =
3233 cpu_to_le16(adev->ps_enhanced_transition_time);
3234 }
3235 acx_s_configure(adev, &pm, ACX1xx_REG_POWER_MGMT);
3236 acx_s_query(adev, &pm, ACX1xx_REG_POWER_MGMT);
3237 acx_log(LOG_DEBUG, L_INIT, "wakeup_cfg: 0x%02X\n",
3238 pm.acx111.wakeup_cfg);
3239 acx_s_mwait(40);
3240 acx_s_query(adev, &pm, ACX1xx_REG_POWER_MGMT);
3241 acx_log(LOG_DEBUG, L_INIT, "wakeup_cfg: 0x%02X\n",
3242 pm.acx111.wakeup_cfg);
3243 acx_log(LOG_DEBUG, L_INIT, "power save mode change %s\n",
3244 (pm.acx111.wakeup_cfg & PS_CFG_PENDING) ?
3245 "FAILED" : "was successful");
3246 /* FIXME: maybe verify via PS_CFG_PENDING bit here
3247 * that power save mode change was successful. */
3248 /* FIXME: we shouldn't trigger a scan immediately after
3249 * fiddling with power save mode (since the firmware is sending
3250 * a NULL frame then). */
3251 }
3252 #endif
3253
3254
3255 /***********************************************************************
3256 ** acx_s_update_card_settings
3257 **
3258 ** Applies accumulated changes in various adev->xxxx members
3259 ** Called by ioctl commit handler, acx_start, acx_set_defaults,
3260 ** acx_s_after_interrupt_task (if IRQ_CMD_UPDATE_CARD_CFG),
3261 */
3262 void acx_s_set_sane_reg_domain(acx_device_t *adev, int do_set)
3263 {
3264 unsigned mask;
3265
3266 unsigned int i;
3267
3268 for (i = 0; i < sizeof(acx_reg_domain_ids); i++)
3269 if (acx_reg_domain_ids[i] == adev->reg_dom_id)
3270 break;
3271
3272 if (sizeof(acx_reg_domain_ids) == i) {
3273 acx_log(LOG_WARNING, L_INIT,
3274 "Invalid or unsupported regulatory domain"
3275 " 0x%02X specified, falling back to FCC (USA)!"
3276 " Please report if this sounds fishy!\n",
3277 adev->reg_dom_id);
3278 i = 0;
3279 adev->reg_dom_id = acx_reg_domain_ids[i];
3280
3281 /* since there was a mismatch, we need to force updating */
3282 do_set = 1;
3283 }
3284
3285 if (do_set) {
3286 acx_ie_generic_t dom;
3287 dom.m.bytes[0] = adev->reg_dom_id;
3288 acx_s_configure(adev, &dom, ACX1xx_REG_DOT11_CURRENT_REG_DOMAIN);
3289 }
3290
3291 adev->reg_dom_chanmask = reg_domain_channel_masks[i];
3292
3293 mask = (1 << (adev->channel - 1));
3294
3295 /*
3296 * Check our channels wrt the current regulatory domain
3297 */
3298 if (adev->reg_dom_chanmask & mask)
3299 return;
3300
3301 /*
3302 * Hmm nope, need to adjust channels!
3303 */
3304
3305 mask = 1;
3306 for (i = 1; i <= 14; i++) {
3307 if (!(adev->reg_dom_chanmask & mask)) {
3308 mask <<= 1;
3309 continue;
3310 }
3311 acx_log(LOG_INFO, L_ANY, "%s: adjusting selected channel "
3312 "from %d to %d due to new regulatory domain\n",
3313 wiphy_name(adev->ieee->wiphy), adev->channel, i);
3314 adev->channel = i;
3315 break;
3316 }
3317 }
3318
3319 static void acx111_s_sens_radio_16_17(acx_device_t * adev)
3320 {
3321 u32 feature1, feature2;
3322
3323 if ((adev->sensitivity < 1) || (adev->sensitivity > 3)) {
3324 acx_log(LOG_WARNING, L_ANY,
3325 "%s: invalid sensitivity setting (1..3), "
3326 "setting to 1\n", wiphy_name(adev->ieee->wiphy));
3327 adev->sensitivity = 1;
3328 }
3329 acx111_s_get_feature_config(adev, &feature1, &feature2);
3330 CLEAR_BIT(feature1, FEATURE1_LOW_RX | FEATURE1_EXTRA_LOW_RX);
3331 if (adev->sensitivity > 1)
3332 SET_BIT(feature1, FEATURE1_LOW_RX);
3333 if (adev->sensitivity > 2)
3334 SET_BIT(feature1, FEATURE1_EXTRA_LOW_RX);
3335 acx111_s_feature_set(adev, feature1, feature2);
3336 }
3337
3338
3339 void acx_s_update_card_settings(acx_device_t *adev)
3340 {
3341 unsigned long flags;
3342 unsigned int start_scan = 0;
3343 int i;
3344
3345 FN_ENTER;
3346
3347 acx_log(LOG_DEBUG, L_INIT, "get_mask 0x%08X, set_mask 0x%08X\n",
3348 adev->get_mask, adev->set_mask);
3349
3350 /* Track dependencies betweed various settings */
3351
3352 if (adev->set_mask & (GETSET_MODE | GETSET_RESCAN | GETSET_WEP)) {
3353 acx_log(LOG_DEBUG, L_INIT,
3354 "important setting has been changed. "
3355 "Need to update packet templates, too\n");
3356 SET_BIT(adev->set_mask, SET_TEMPLATES);
3357 }
3358 if (adev->set_mask & GETSET_CHANNEL) {
3359 /* This will actually tune RX/TX to the channel */
3360 SET_BIT(adev->set_mask, GETSET_RX | GETSET_TX);
3361 switch (adev->mode) {
3362 case ACX_MODE_0_ADHOC:
3363 case ACX_MODE_3_AP:
3364 /* Beacons contain channel# - update them */
3365 SET_BIT(adev->set_mask, SET_TEMPLATES);
3366 }
3367
3368 switch (adev->mode) {
3369 case ACX_MODE_0_ADHOC:
3370 case ACX_MODE_2_STA:
3371 start_scan = 1;
3372 }
3373 }
3374
3375 /* Apply settings */
3376
3377
3378 if (adev->get_mask & GETSET_STATION_ID) {
3379 u8 stationID[4 + ACX1xx_REG_DOT11_STATION_ID_LEN];
3380 const u8 *paddr;
3381
3382 acx_s_query(adev, &stationID, ACX1xx_REG_DOT11_STATION_ID);
3383 paddr = &stationID[4];
3384 // memcpy(adev->dev_addr, adev->ndev->dev_addr, ETH_ALEN);
3385 for (i = 0; i < ETH_ALEN; i++) {
3386 /* we copy the MAC address (reversed in
3387 * the card) to the netdevice's MAC
3388 * address, and on ifup it will be
3389 * copied into iwadev->dev_addr */
3390 adev->dev_addr[ETH_ALEN - 1 - i] = paddr[i];
3391 }
3392 SET_IEEE80211_PERM_ADDR(adev->ieee,adev->dev_addr);
3393 CLEAR_BIT(adev->get_mask, GETSET_STATION_ID);
3394 }
3395
3396 if (adev->get_mask & GETSET_SENSITIVITY) {
3397 if ((RADIO_RFMD_11 == adev->radio_type)
3398 || (RADIO_MAXIM_0D == adev->radio_type)
3399 || (RADIO_RALINK_15 == adev->radio_type)) {
3400 acx_s_read_phy_reg(adev, 0x30, &adev->sensitivity);
3401 } else {
3402 acx_log(LOG_WARNING, L_INIT,
3403 "don't know how to get sensitivity "
3404 "for radio type 0x%02X\n", adev->radio_type);
3405 adev->sensitivity = 0;
3406 }
3407 acx_log(LOG_DEBUG, L_INIT, "got sensitivity value %u\n",
3408 adev->sensitivity);
3409
3410 CLEAR_BIT(adev->get_mask, GETSET_SENSITIVITY);
3411 }
3412
3413 if (adev->get_mask & GETSET_ANTENNA) {
3414 u8 antenna[4 + ACX1xx_REG_DOT11_CURRENT_ANTENNA_LEN];
3415
3416 memset(antenna, 0, sizeof(antenna));
3417 acx_s_query(adev, antenna,
3418 ACX1xx_REG_DOT11_CURRENT_ANTENNA);
3419 adev->antenna = antenna[4];
3420 acx_log(LOG_INFO, L_INIT, "got antenna value 0x%02X\n",
3421 adev->antenna);
3422 CLEAR_BIT(adev->get_mask, GETSET_ANTENNA);
3423 }
3424
3425 if (adev->get_mask & GETSET_ED_THRESH) {
3426 if (IS_ACX100(adev)) {
3427 u8 ed_threshold[4 + ACX100_REG_DOT11_ED_THRESHOLD_LEN];
3428
3429 memset(ed_threshold, 0, sizeof(ed_threshold));
3430 acx_s_query(adev, ed_threshold,
3431 ACX100_REG_DOT11_ED_THRESHOLD);
3432 adev->ed_threshold = ed_threshold[4];
3433 } else {
3434 acx_log(LOG_WARNING, L_INIT,
3435 "acx111 doesn't support ED\n");
3436 adev->ed_threshold = 0;
3437 }
3438 acx_log(LOG_INFO, L_INIT,
3439 "got Energy Detect (ED) threshold %u\n",
3440 adev->ed_threshold);
3441 CLEAR_BIT(adev->get_mask, GETSET_ED_THRESH);
3442 }
3443
3444 if (adev->get_mask & GETSET_CCA) {
3445 if (IS_ACX100(adev)) {
3446 u8 cca[4 + ACX1xx_REG_DOT11_CURRENT_CCA_MODE_LEN];
3447
3448 memset(cca, 0, sizeof(adev->cca));
3449 acx_s_query(adev, cca,
3450 ACX1xx_REG_DOT11_CURRENT_CCA_MODE);
3451 adev->cca = cca[4];
3452 } else {
3453 acx_log(LOG_WARNING, L_INIT,
3454 "acx111 doesn't support CCA\n");
3455 adev->cca = 0;
3456 }
3457 acx_log(LOG_INFO, L_INIT,
3458 "got Channel Clear Assessment (CCA) value %u\n",
3459 adev->cca);
3460 CLEAR_BIT(adev->get_mask, GETSET_CCA);
3461 }
3462
3463 if (adev->get_mask & GETSET_REG_DOMAIN) {
3464 acx_ie_generic_t dom;
3465
3466 acx_s_query(adev, &dom,
3467 ACX1xx_REG_DOT11_CURRENT_REG_DOMAIN);
3468 adev->reg_dom_id = dom.m.bytes[0];
3469 acx_s_set_sane_reg_domain(adev, 0);
3470 acx_log(LOG_INFO, L_INIT,
3471 "got regulatory domain 0x%02X\n", adev->reg_dom_id);
3472 CLEAR_BIT(adev->get_mask, GETSET_REG_DOMAIN);
3473 }
3474
3475 if (adev->set_mask & GETSET_STATION_ID) {
3476 u8 stationID[4 + ACX1xx_REG_DOT11_STATION_ID_LEN];
3477 u8 *paddr;
3478
3479 paddr = &stationID[4];
3480 MAC_COPY(adev->dev_addr, adev->ieee->wiphy->perm_addr);
3481 for (i = 0; i < ETH_ALEN; i++) {
3482 /* copy the MAC address we obtained when we noticed
3483 * that the ethernet iface's MAC changed
3484 * to the card (reversed in
3485 * the card!) */
3486 paddr[i] = adev->dev_addr[ETH_ALEN - 1 - i];
3487 }
3488 acx_s_configure(adev, &stationID, ACX1xx_REG_DOT11_STATION_ID);
3489 CLEAR_BIT(adev->set_mask, GETSET_STATION_ID);
3490 }
3491
3492 if (adev->set_mask & SET_STA_LIST) {
3493 CLEAR_BIT(adev->set_mask, SET_STA_LIST);
3494 }
3495 if (adev->set_mask & SET_RATE_FALLBACK) {
3496 u8 rate[4 + ACX1xx_REG_RATE_FALLBACK_LEN];
3497
3498 /* configure to not do fallbacks when not in auto rate mode */
3499 rate[4] =
3500 (adev->
3501 rate_auto) ? /* adev->txrate_fallback_retries */ 1 : 0;
3502 acx_log(LOG_DEBUG, L_INIT,
3503 "updating Tx fallback to %u retries\n", rate[4]);
3504 acx_s_configure(adev, &rate, ACX1xx_REG_RATE_FALLBACK);
3505 CLEAR_BIT(adev->set_mask, SET_RATE_FALLBACK);
3506 }
3507 if (adev->set_mask & GETSET_TXPOWER) {
3508 acx_log(LOG_DEBUG, L_INIT, "updating transmit power: %u dBm\n",
3509 adev->tx_level_dbm);
3510 acx_s_set_tx_level(adev, adev->tx_level_dbm);
3511 CLEAR_BIT(adev->set_mask, GETSET_TXPOWER);
3512 }
3513
3514 if (adev->set_mask & GETSET_SENSITIVITY) {
3515 acx_log(LOG_DEBUG, L_INIT, "updating sensitivity value: %u\n",
3516 adev->sensitivity);
3517 switch (adev->radio_type) {
3518 case RADIO_RFMD_11:
3519 case RADIO_MAXIM_0D:
3520 case RADIO_RALINK_15:
3521 acx_s_write_phy_reg(adev, 0x30, adev->sensitivity);
3522 break;
3523 case RADIO_RADIA_16:
3524 case RADIO_UNKNOWN_17:
3525 acx111_s_sens_radio_16_17(adev);
3526 break;
3527 default:
3528 acx_log(LOG_WARNING, L_INIT,
3529 "don't know how to modify sensitivity "
3530 "for radio type 0x%02X\n", adev->radio_type);
3531 }
3532 CLEAR_BIT(adev->set_mask, GETSET_SENSITIVITY);
3533 }
3534
3535 if (adev->set_mask & GETSET_ANTENNA) {
3536 /* antenna */
3537 u8 antenna[4 + ACX1xx_REG_DOT11_CURRENT_ANTENNA_LEN];
3538
3539 memset(antenna, 0, sizeof(antenna));
3540 antenna[4] = adev->antenna;
3541 acx_log(LOG_DEBUG, L_INIT, "updating antenna value: 0x%02X\n",
3542 adev->antenna);
3543 acx_s_configure(adev, &antenna,
3544 ACX1xx_REG_DOT11_CURRENT_ANTENNA);
3545 CLEAR_BIT(adev->set_mask, GETSET_ANTENNA);
3546 }
3547
3548 if (adev->set_mask & GETSET_ED_THRESH) {
3549 /* ed_threshold */
3550 acx_log(LOG_INFO, L_INIT,
3551 "updating Energy Detect (ED) threshold: %u\n",
3552 adev->ed_threshold);
3553 if (IS_ACX100(adev)) {
3554 u8 ed_threshold[4 + ACX100_REG_DOT11_ED_THRESHOLD_LEN];
3555
3556 memset(ed_threshold, 0, sizeof(ed_threshold));
3557 ed_threshold[4] = adev->ed_threshold;
3558 acx_s_configure(adev, &ed_threshold,
3559 ACX100_REG_DOT11_ED_THRESHOLD);
3560 } else
3561 acx_log(LOG_WARNING, L_INIT,
3562 "acx111 doesn't support ED!\n");
3563 CLEAR_BIT(adev->set_mask, GETSET_ED_THRESH);
3564 }
3565
3566 if (adev->set_mask & GETSET_CCA) {
3567 /* CCA value */
3568 acx_log(LOG_DEBUG, L_INIT,
3569 "updating Channel Clear Assessment (CCA) value: "
3570 "0x%02X\n", adev->cca);
3571 if (IS_ACX100(adev)) {
3572 u8 cca[4 + ACX1xx_REG_DOT11_CURRENT_CCA_MODE_LEN];
3573
3574 memset(cca, 0, sizeof(cca));
3575 cca[4] = adev->cca;
3576 acx_s_configure(adev, &cca,
3577 ACX1xx_REG_DOT11_CURRENT_CCA_MODE);
3578 } else
3579 acx_log(LOG_WARNING, L_INIT,
3580 "acx111 doesn't support CCA!\n");
3581 CLEAR_BIT(adev->set_mask, GETSET_CCA);
3582 }
3583
3584 if (adev->set_mask & GETSET_LED_POWER) {
3585 /* Enable Tx */
3586 acx_log(LOG_INFO, L_INIT,
3587 "updating power LED status: %u\n", adev->led_power);
3588
3589 acx_lock(adev, flags); /* acxpci_l_power_led expects that the lock is already taken! */
3590 if (IS_PCI(adev))
3591 acxpci_l_power_led(adev, adev->led_power);
3592 CLEAR_BIT(adev->set_mask, GETSET_LED_POWER);
3593 acx_unlock(adev, flags);
3594 }
3595
3596 if (adev->set_mask & GETSET_POWER_80211) {
3597 #if POWER_SAVE_80211
3598 acx_s_update_80211_powersave_mode(adev);
3599 #endif
3600 CLEAR_BIT(adev->set_mask, GETSET_POWER_80211);
3601 }
3602
3603 if (adev->set_mask & GETSET_CHANNEL) {
3604 /* channel */
3605 acx_log(LOG_INFO, L_INIT, "updating channel to: %u\n",
3606 adev->channel);
3607 CLEAR_BIT(adev->set_mask, GETSET_CHANNEL);
3608 }
3609
3610 if (adev->set_mask & GETSET_TX) {
3611 /* set Tx */
3612 acx_log(LOG_INFO, L_INIT, "updating: %s Tx\n",
3613 adev->tx_disabled ? "disable" : "enable");
3614 if (adev->tx_disabled)
3615 acx_s_issue_cmd(adev, ACX1xx_CMD_DISABLE_TX, NULL, 0);
3616 else {
3617 acx_s_issue_cmd(adev, ACX1xx_CMD_ENABLE_TX,
3618 &adev->channel, 1);
3619 FIXME();
3620 /* This needs to be keyed on WEP? */
3621 /* acx111_s_feature_on(adev, 0,
3622 FEATURE2_NO_TXCRYPT |
3623 FEATURE2_SNIFFER); */
3624 acx_wake_queue(adev->ieee, NULL);
3625 }
3626 CLEAR_BIT(adev->set_mask, GETSET_TX);
3627 }
3628
3629 if (adev->set_mask & GETSET_RX) {
3630 /* Enable Rx */
3631 acx_log(LOG_INFO, L_INIT,
3632 "updating: enable Rx on channel: %u\n", adev->channel);
3633 acx_s_issue_cmd(adev, ACX1xx_CMD_ENABLE_RX, &adev->channel, 1);
3634 CLEAR_BIT(adev->set_mask, GETSET_RX);
3635 }
3636
3637 if (adev->set_mask & GETSET_RETRY) {
3638 u8 short_retry[4 + ACX1xx_REG_DOT11_SHORT_RETRY_LIMIT_LEN];
3639 u8 long_retry[4 + ACX1xx_REG_DOT11_LONG_RETRY_LIMIT_LEN];
3640
3641 acx_log(LOG_INFO, L_INIT,
3642 "updating short retry limit: %u, "
3643 "long retry limit: %u\n",
3644 adev->short_retry, adev->long_retry);
3645 short_retry[0x4] = adev->short_retry;
3646 long_retry[0x4] = adev->long_retry;
3647 acx_s_configure(adev, &short_retry,
3648 ACX1xx_REG_DOT11_SHORT_RETRY_LIMIT);
3649 acx_s_configure(adev, &long_retry,
3650 ACX1xx_REG_DOT11_LONG_RETRY_LIMIT);
3651 CLEAR_BIT(adev->set_mask, GETSET_RETRY);
3652 }
3653
3654 if (adev->set_mask & SET_MSDU_LIFETIME) {
3655 u8 xmt_msdu_lifetime[4 +
3656 ACX1xx_REG_DOT11_MAX_XMIT_MSDU_LIFETIME_LEN];
3657
3658 acx_log(LOG_DEBUG, L_INIT, "updating tx MSDU lifetime: %u\n",
3659 adev->msdu_lifetime);
3660 *(u32 *) & xmt_msdu_lifetime[4] =
3661 cpu_to_le32((u32) adev->msdu_lifetime);
3662 acx_s_configure(adev, &xmt_msdu_lifetime,
3663 ACX1xx_REG_DOT11_MAX_XMIT_MSDU_LIFETIME);
3664 CLEAR_BIT(adev->set_mask, SET_MSDU_LIFETIME);
3665 }
3666
3667 if (adev->set_mask & GETSET_REG_DOMAIN) {
3668 acx_log(LOG_INFO, L_INIT,
3669 "updating regulatory domain: 0x%02X\n",
3670 adev->reg_dom_id);
3671 acx_s_set_sane_reg_domain(adev, 1);
3672 CLEAR_BIT(adev->set_mask, GETSET_REG_DOMAIN);
3673 }
3674 if (adev->set_mask & GETSET_MODE ) {
3675 acx111_s_feature_on(adev, 0,
3676 FEATURE2_NO_TXCRYPT | FEATURE2_SNIFFER);
3677 switch (adev->mode) {
3678 case ACX_MODE_3_AP:
3679 adev->aid = 0;
3680 //acx111_s_feature_off(adev, 0,
3681 // FEATURE2_NO_TXCRYPT | FEATURE2_SNIFFER);
3682 MAC_COPY(adev->bssid, adev->dev_addr);
3683 acx_s_cmd_join_bssid(adev, adev->dev_addr);
3684 break;
3685 case ACX_MODE_MONITOR:
3686 SET_BIT(adev->set_mask, SET_RXCONFIG | SET_WEP_OPTIONS);
3687 break;
3688 case ACX_MODE_0_ADHOC:
3689 case ACX_MODE_2_STA:
3690 acx111_s_feature_on(adev, 0, FEATURE2_NO_TXCRYPT | FEATURE2_SNIFFER);
3691 break;
3692 default:
3693 break;
3694 }
3695 CLEAR_BIT(adev->set_mask, GETSET_MODE);
3696 }
3697 if (adev->set_mask & SET_TEMPLATES) {
3698 switch (adev->mode)
3699 {
3700 case ACX_MODE_3_AP:
3701 acx_s_set_tim_template(adev);
3702 break;
3703 default:
3704 break;
3705 }
3706 if (adev->beacon_cache)
3707 {
3708 acx_s_set_beacon_template(adev, adev->beacon_cache);
3709 dev_kfree_skb(adev->beacon_cache);
3710 adev->beacon_cache = NULL;
3711 }
3712 CLEAR_BIT(adev->set_mask, SET_TEMPLATES);
3713 }
3714
3715 if (adev->set_mask & SET_RXCONFIG) {
3716 acx_s_initialize_rx_config(adev);
3717 CLEAR_BIT(adev->set_mask, SET_RXCONFIG);
3718 }
3719
3720 if (adev->set_mask & GETSET_RESCAN) {
3721 /* switch (adev->mode) {
3722 case ACX_MODE_0_ADHOC:
3723 case ACX_MODE_2_STA:
3724 start_scan = 1;
3725 break;
3726 }
3727 */ CLEAR_BIT(adev->set_mask, GETSET_RESCAN);
3728 }
3729
3730 if (adev->set_mask & GETSET_WEP) {
3731 /* encode */
3732
3733 ie_dot11WEPDefaultKeyID_t dkey;
3734 #ifdef DEBUG_WEP
3735 struct {
3736 u16 type;
3737 u16 len;
3738 u8 val;
3739 } __attribute__ ((packed)) keyindic;
3740 #endif
3741 acx_log(LOG_DEBUG, L_INIT, "updating WEP key settings\n");
3742
3743 acx_s_set_wepkey(adev);
3744 if (adev->wep_enabled) {
3745 dkey.KeyID = adev->wep_current_index;
3746 acx_log(LOG_DEBUG, L_INIT,
3747 "setting WEP key %u as default\n",
3748 dkey.KeyID);
3749 acx_s_configure(adev, &dkey,
3750 ACX1xx_REG_DOT11_WEP_DEFAULT_KEY_SET);
3751 #ifdef DEBUG_WEP
3752 keyindic.val = 3;
3753 acx_s_configure(adev, &keyindic, ACX111_REG_KEY_CHOOSE);
3754 #endif
3755 }
3756
3757 // start_scan = 1;
3758 CLEAR_BIT(adev->set_mask, GETSET_WEP);
3759 }
3760
3761 if (adev->set_mask & SET_WEP_OPTIONS) {
3762 acx100_ie_wep_options_t options;
3763
3764 if (IS_ACX111(adev)) {
3765 acx_log(LOG_DEBUG, L_REALLYVERBOSE,
3766 "setting WEP Options for acx111 "
3767 "is not supported\n");
3768 } else {
3769 acx_log(LOG_DEBUG, L_INIT, "setting WEP Options\n");
3770
3771 /* let's choose maximum setting: 4 default keys,
3772 * plus 10 other keys: */
3773 options.NumKeys =
3774 cpu_to_le16(DOT11_MAX_DEFAULT_WEP_KEYS + 10);
3775 /* don't decrypt default key only,
3776 * don't override decryption: */
3777 options.WEPOption = 0;
3778 if (adev->mode == ACX_MODE_3_AP) {
3779 /* don't decrypt default key only,
3780 * override decryption mechanism: */
3781 options.WEPOption = 2;
3782 }
3783
3784 acx_s_configure(adev, &options, ACX100_REG_WEP_OPTIONS);
3785 }
3786 CLEAR_BIT(adev->set_mask, SET_WEP_OPTIONS);
3787 }
3788
3789
3790 /* debug, rate, and nick don't need any handling */
3791 /* what about sniffing mode?? */
3792
3793 /* log(L_INIT, "get_mask 0x%08X, set_mask 0x%08X - after update\n",
3794 adev->get_mask, adev->set_mask);
3795 */
3796 /* end: */
3797 FN_EXIT0;
3798 }
3799
3800 #if 0
3801 /***********************************************************************
3802 ** acx_e_after_interrupt_task
3803 */
3804 static int acx_s_recalib_radio(acx_device_t * adev)
3805 {
3806 if (IS_ACX111(adev)) {
3807 acx111_cmd_radiocalib_t cal;
3808
3809 /* automatic recalibration, choose all methods: */
3810 cal.methods = cpu_to_le32(0x8000000f);
3811 /* automatic recalibration every 60 seconds (value in TUs)
3812 * I wonder what the firmware default here is? */
3813 cal.interval = cpu_to_le32(58594);
3814 return acx_s_issue_cmd_timeo(adev, ACX111_CMD_RADIOCALIB,
3815 &cal, sizeof(cal),
3816 CMD_TIMEOUT_MS(100));
3817 } else {
3818 /* On ACX100, we need to recalibrate the radio
3819 * by issuing a GETSET_TX|GETSET_RX */
3820 if ( /* (OK == acx_s_issue_cmd(adev, ACX1xx_CMD_DISABLE_TX, NULL, 0)) &&
3821 (OK == acx_s_issue_cmd(adev, ACX1xx_CMD_DISABLE_RX, NULL, 0)) && */
3822 (OK ==
3823 acx_s_issue_cmd(adev, ACX1xx_CMD_ENABLE_TX,
3824 &adev->channel, 1))
3825 && (OK ==
3826 acx_s_issue_cmd(adev, ACX1xx_CMD_ENABLE_RX,
3827 &adev->channel, 1)))
3828 return OK;
3829 return NOT_OK;
3830 }
3831 }
3832 #endif // if 0
3833 #if 0
3834 static void acx_s_after_interrupt_recalib(acx_device_t * adev)
3835 {
3836 int res;
3837
3838 /* this helps with ACX100 at least;
3839 * hopefully ACX111 also does a
3840 * recalibration here */
3841
3842 /* clear flag beforehand, since we want to make sure
3843 * it's cleared; then only set it again on specific circumstances */
3844 CLEAR_BIT(adev->after_interrupt_jobs, ACX_TASKLET_CMD_RADIO_RECALIB);
3845
3846 /* better wait a bit between recalibrations to
3847 * prevent overheating due to torturing the card
3848 * into working too long despite high temperature
3849 * (just a safety measure) */
3850 if (adev->recalib_time_last_success
3851 && time_before(jiffies, adev->recalib_time_last_success
3852 + RECALIB_PAUSE * 60 * HZ)) {
3853 if (adev->recalib_msg_ratelimit <= 4) {
3854 printk("%s: less than " STRING(RECALIB_PAUSE)
3855 " minutes since last radio recalibration, "
3856 "not recalibrating (maybe card is too hot?)\n",
3857 wiphy_name(adev->ieee->wiphy));
3858 adev->recalib_msg_ratelimit++;
3859 if (adev->recalib_msg_ratelimit == 5)
3860 printk("disabling above message until next recalib\n");
3861 }
3862 return;
3863 }
3864
3865 adev->recalib_msg_ratelimit = 0;
3866
3867 /* note that commands sometimes fail (card busy),
3868 * so only clear flag if we were fully successful */
3869 res = acx_s_recalib_radio(adev);
3870 if (res == OK) {
3871 printk("%s: successfully recalibrated radio\n",
3872 wiphy_name(adev->ieee->wiphy));
3873 adev->recalib_time_last_success = jiffies;
3874 adev->recalib_failure_count = 0;
3875 } else {
3876 /* failed: resubmit, but only limited
3877 * amount of times within some time range
3878 * to prevent endless loop */
3879
3880 adev->recalib_time_last_success = 0; /* we failed */
3881
3882 /* if some time passed between last
3883 * attempts, then reset failure retry counter
3884 * to be able to do next recalib attempt */
3885 if (time_after
3886 (jiffies, adev->recalib_time_last_attempt + 5 * HZ))
3887 adev->recalib_failure_count = 0;
3888
3889 if (adev->recalib_failure_count < 5) {
3890 /* increment inside only, for speedup of outside path */
3891 adev->recalib_failure_count++;
3892 adev->recalib_time_last_attempt = jiffies;
3893 acx_schedule_task(adev,
3894 ACX_TASKLET_CMD_RADIO_RECALIB);
3895 }
3896 }
3897 }
3898 #endif // if 0
3899
3900 void acx_e_after_interrupt_task(struct work_struct *work)
3901 {
3902 acx_device_t *adev = container_of(work, acx_device_t, after_interrupt_task);
3903 unsigned long flags;
3904
3905 FN_ENTER;
3906
3907 acx_lock(adev, flags);
3908
3909 if (!adev->after_interrupt_jobs || !adev->initialized)
3910 goto end; /* no jobs to do */
3911
3912 /* we see lotsa tx errors */
3913 if (adev->after_interrupt_jobs & ACX_TASKLET_CMD_RADIO_RECALIB) {
3914 acx_log_ratelimited(LOG_WARNING, L_ANY,
3915 "too many TX errors??\n");
3916 // acx_s_after_interrupt_recalib(adev);
3917 }
3918
3919 /* a poor interrupt code wanted to do update_card_settings() */
3920 if (adev->after_interrupt_jobs & ACX_TASKLET_UPDATE_CARD_CFG) {
3921 if (ACX_STATE_IFACE_UP & adev->dev_state_mask) {
3922 acx_unlock(adev, flags);
3923 acx_s_update_card_settings(adev);
3924 acx_lock(adev, flags);
3925 }
3926 CLEAR_BIT(adev->after_interrupt_jobs,
3927 ACX_TASKLET_UPDATE_CARD_CFG);
3928 }
3929
3930 /* 1) we detected that no Scan_Complete IRQ came from fw, or
3931 ** 2) we found too many STAs */
3932 if (adev->after_interrupt_jobs & ACX_TASKLET_CMD_STOP_SCAN) {
3933 acx_log(LOG_DEBUG, L_IRQ, "sending a stop scan cmd...\n");
3934 acx_unlock(adev, flags);
3935 acx_s_issue_cmd(adev, ACX1xx_CMD_STOP_SCAN, NULL, 0);
3936 acx_lock(adev, flags);
3937 /* HACK: set the IRQ bit, since we won't get a
3938 * scan complete IRQ any more on ACX111 (works on ACX100!),
3939 * since _we_, not a fw, have stopped the scan */
3940 SET_BIT(adev->irq_status, ACX_IRQ_SCAN_COMPLETE);
3941 CLEAR_BIT(adev->after_interrupt_jobs,
3942 ACX_TASKLET_CMD_STOP_SCAN);
3943 }
3944
3945 /* either fw sent Scan_Complete or we detected that
3946 ** no Scan_Complete IRQ came from fw. Finish scanning,
3947 ** pick join partner if any */
3948 if (adev->after_interrupt_jobs & ACX_TASKLET_COMPLETE_SCAN) {
3949 /* + scan kills current join status - restore it
3950 ** (do we need it for STA?) */
3951 /* + does it happen only with active scans?
3952 ** active and passive scans? ALL scans including
3953 ** background one? */
3954 /* + was not verified that everything is restored
3955 ** (but at least we start to emit beacons again) */
3956 CLEAR_BIT(adev->after_interrupt_jobs,
3957 ACX_TASKLET_COMPLETE_SCAN);
3958 }
3959
3960 /* STA auth or assoc timed out, start over again */
3961
3962 if (adev->after_interrupt_jobs & ACX_TASKLET_RESTART_SCAN) {
3963 acx_log(LOG_DEBUG, L_IRQ, "sending a start_scan cmd...\n");
3964 CLEAR_BIT(adev->after_interrupt_jobs,
3965 ACX_TASKLET_RESTART_SCAN);
3966 }
3967
3968 /* whee, we got positive assoc response! 8) */
3969 if (adev->after_interrupt_jobs & ACX_TASKLET_CMD_ASSOCIATE) {
3970 CLEAR_BIT(adev->after_interrupt_jobs,
3971 ACX_TASKLET_CMD_ASSOCIATE);
3972 }
3973 end:
3974 if(adev->after_interrupt_jobs)
3975 {
3976 acx_log(LOG_DEBUG, L_ANY, "Jobs still to be run: %x\n",
3977 adev->after_interrupt_jobs);
3978 adev->after_interrupt_jobs = 0;
3979 }
3980 acx_unlock(adev, flags);
3981 // acx_sem_unlock(adev);
3982 FN_EXIT0;
3983 }
3984
3985
3986 /***********************************************************************
3987 ** acx_schedule_task
3988 **
3989 ** Schedule the call of the after_interrupt method after leaving
3990 ** the interrupt context.
3991 */
3992 void acx_schedule_task(acx_device_t * adev, unsigned int set_flag)
3993 {
3994 if (!adev->after_interrupt_jobs)
3995 {
3996 SET_BIT(adev->after_interrupt_jobs, set_flag);
3997 schedule_work(&adev->after_interrupt_task);
3998 }
3999 }
4000
4001
4002 /***********************************************************************
4003 */
4004 void acx_init_task_scheduler(acx_device_t * adev)
4005 {
4006 /* configure task scheduler */
4007 INIT_WORK(&adev->after_interrupt_task, acx_interrupt_tasklet);
4008 }
4009
4010
4011 /***********************************************************************
4012 ** acx_s_start
4013 */
4014 void acx_s_start(acx_device_t * adev)
4015 {
4016 FN_ENTER;
4017
4018 /*
4019 * Ok, now we do everything that can possibly be done with ioctl
4020 * calls to make sure that when it was called before the card
4021 * was up we get the changes asked for
4022 */
4023
4024 SET_BIT(adev->set_mask, SET_TEMPLATES | SET_STA_LIST | GETSET_WEP
4025 | GETSET_TXPOWER | GETSET_ANTENNA | GETSET_ED_THRESH |
4026 GETSET_CCA | GETSET_REG_DOMAIN | GETSET_MODE | GETSET_CHANNEL |
4027 GETSET_TX | GETSET_RX | GETSET_STATION_ID);
4028
4029 acx_log(LOG_INFO, L_INIT,
4030 "updating initial settings on iface activation\n");
4031 acx_s_update_card_settings(adev);
4032
4033 FN_EXIT0;
4034 }
4035
4036
4037 /***********************************************************************
4038 ** acx_update_capabilities
4039 *//*
4040 void acx_update_capabilities(acx_device_t * adev)
4041 {
4042 u16 cap = 0;
4043
4044 switch (adev->mode) {
4045 case ACX_MODE_3_AP:
4046 SET_BIT(cap, WF_MGMT_CAP_ESS);
4047 break;
4048 case ACX_MODE_0_ADHOC:
4049 SET_BIT(cap, WF_MGMT_CAP_IBSS);
4050 break;
4051 */ /* other types of stations do not emit beacons */
4052 /* }
4053
4054 if (adev->wep_restricted) {
4055 SET_BIT(cap, WF_MGMT_CAP_PRIVACY);
4056 }
4057 if (adev->cfgopt_dot11ShortPreambleOption) {
4058 SET_BIT(cap, WF_MGMT_CAP_SHORT);
4059 }
4060 if (adev->cfgopt_dot11PBCCOption) {
4061 SET_BIT(cap, WF_MGMT_CAP_PBCC);
4062 }
4063 if (adev->cfgopt_dot11ChannelAgility) {
4064 SET_BIT(cap, WF_MGMT_CAP_AGILITY);
4065 }
4066 log(L_DEBUG, "caps updated from 0x%04X to 0x%04X\n",
4067 adev->capabilities, cap);
4068 adev->capabilities = cap;
4069 }
4070 */
4071 /**
4072 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4073 **
4074 */
4075 static void acx_s_select_opmode(acx_device_t * adev)
4076 {
4077 int changed = 0;
4078 FN_ENTER;
4079
4080 if (adev->interface.operating) {
4081 switch (adev->interface.type) {
4082 case IEEE80211_IF_TYPE_AP:
4083 if (adev->mode != ACX_MODE_3_AP)
4084 {
4085 adev->mode = ACX_MODE_3_AP;
4086 changed = 1;
4087 }
4088 break;
4089 case IEEE80211_IF_TYPE_IBSS:
4090 if (adev->mode != ACX_MODE_0_ADHOC)
4091 {
4092 adev->mode = ACX_MODE_0_ADHOC;
4093 changed = 1;
4094 }
4095 break;
4096 case IEEE80211_IF_TYPE_STA:
4097 if (adev->mode != ACX_MODE_2_STA)
4098 {
4099 adev->mode = ACX_MODE_2_STA;
4100 changed = 1;
4101 }
4102 break;
4103 case IEEE80211_IF_TYPE_WDS:
4104 default:
4105 if (adev->mode != ACX_MODE_OFF)
4106 {
4107 adev->mode = ACX_MODE_OFF;
4108 changed = 1;
4109 }
4110 break;
4111 }
4112 } else {
4113 if (adev->interface.type == IEEE80211_IF_TYPE_MNTR)
4114 {
4115 if (adev->mode != ACX_MODE_MONITOR)
4116 {
4117 adev->mode = ACX_MODE_MONITOR;
4118 changed = 1;
4119 }
4120 }
4121 else
4122 {
4123 if (adev->mode != ACX_MODE_OFF)
4124 {
4125 adev->mode = ACX_MODE_OFF;
4126 changed = 1;
4127 }
4128 }
4129 }
4130 if (changed)
4131 {
4132 SET_BIT(adev->set_mask, GETSET_MODE);
4133 acx_s_update_card_settings(adev);
4134 // acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
4135 }
4136
4137 FN_EXIT0;
4138 }
4139
4140 /**
4141 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4142 **
4143 */
4144
4145 int acx_add_interface(struct ieee80211_hw *ieee,
4146 struct ieee80211_if_init_conf *conf)
4147 {
4148 acx_device_t *adev = ieee2adev(ieee);
4149 unsigned long flags;
4150 int err = -EOPNOTSUPP;
4151
4152 DECLARE_MAC_BUF(mac);
4153
4154 FN_ENTER;
4155 acx_lock(adev, flags);
4156
4157 if (conf->type == IEEE80211_IF_TYPE_MNTR) {
4158 adev->interface.monitor++;
4159 } else {
4160 if (adev->interface.operating)
4161 goto out_unlock;
4162 adev->interface.operating = 1;
4163 adev->interface.type = conf->type;
4164 }
4165 // adev->mode = conf->type;
4166
4167 acx_unlock(adev, flags);
4168
4169 if (adev->initialized)
4170 acx_s_select_opmode(adev);
4171
4172 acx_lock(adev, flags);
4173
4174 err = 0;
4175
4176 acx_log(LOG_INFO, L_ANY, "Virtual interface added "
4177 "(type: 0x%08X, MAC: %s)\n",
4178 conf->type,
4179 print_mac(mac, conf->mac_addr));
4180
4181 out_unlock:
4182 acx_unlock(adev, flags);
4183
4184 FN_EXIT0;
4185 return err;
4186 }
4187 /**
4188 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4189 **
4190 */
4191
4192 void acx_remove_interface(struct ieee80211_hw *hw,
4193 struct ieee80211_if_init_conf *conf)
4194 {
4195 acx_device_t *adev = ieee2adev(hw);
4196
4197 DECLARE_MAC_BUF(mac);
4198
4199 FN_ENTER;
4200
4201 acx_sem_lock(adev);
4202 if (conf->type == IEEE80211_IF_TYPE_MNTR) {
4203 adev->interface.monitor--;
4204 // assert(bcm->interface.monitor >= 0);
4205 } else {
4206 adev->interface.operating = 0;
4207 }
4208
4209 acx_log(LOG_INFO, L_ANY, "Removing interface: %d %d\n",
4210 adev->interface.operating, conf->type);
4211 acx_sem_unlock(adev);
4212
4213 if (adev->initialized)
4214 acx_s_select_opmode(adev);
4215 flush_scheduled_work();
4216
4217 acx_log(LOG_INFO, L_ANY, "Virtual interface removed "
4218 "(type: 0x%08X, MAC: %s)\n",
4219 conf->type, print_mac(mac, conf->mac_addr));
4220
4221 FN_EXIT0;
4222 }
4223 /**
4224 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4225 **
4226 */
4227
4228 int acx_net_reset(struct ieee80211_hw *ieee)
4229 {
4230 acx_device_t *adev = ieee2adev(ieee);
4231 FN_ENTER;
4232 if (IS_PCI(adev))
4233 acxpci_s_reset_dev(adev);
4234 else
4235 TODO();
4236
4237 FN_EXIT0;
4238 return 0;
4239 }
4240
4241 /**
4242 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4243 **
4244 */
4245 int acx_selectchannel(acx_device_t * adev, u8 channel, int freq)
4246 {
4247 int result;
4248
4249 FN_ENTER;
4250
4251 acx_sem_lock(adev);
4252 adev->rx_status.channel = channel;
4253 adev->rx_status.freq = freq;
4254
4255 adev->channel = channel;
4256 /* hmm, the following code part is strange, but this is how
4257 * it was being done before... */
4258 acx_log(LOG_DEBUG, L_IOCTL, "Changing to channel %d\n", channel);
4259 SET_BIT(adev->set_mask, GETSET_CHANNEL);
4260 result = -EINPROGRESS; /* need to call commit handler */
4261
4262 acx_sem_unlock(adev);
4263 FN_EXIT1(result);
4264 return result;
4265 }
4266
4267 /**
4268 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4269 **
4270 */
4271 int acx_net_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
4272 {
4273 acx_device_t *adev = ieee2adev(hw);
4274 unsigned long flags;
4275
4276 FN_ENTER;
4277
4278 acx_lock(adev, flags);
4279 //FIXME();
4280 if (!adev->initialized) {
4281 acx_unlock(adev, flags);
4282 return 0;
4283 }
4284 if (conf->beacon_int != adev->beacon_interval)
4285 adev->beacon_interval = conf->beacon_int;
4286 if (conf->channel != adev->channel) {
4287 acx_unlock(adev, flags);
4288 acx_selectchannel(adev, conf->channel,conf->freq);
4289 acx_lock(adev, flags);
4290 /* acx_schedule_task(adev,
4291 ACX_TASKLET_UPDATE_CARD_CFG
4292 */ /*+ ACX_TASKLET_RESTART_SCAN */ /*);*/
4293 }
4294 /*
4295 if (conf->short_slot_time != adev->short_slot) {
4296 // assert(phy->type == BCM43xx_PHYTYPE_G);
4297 if (conf->short_slot_time)
4298 acx_short_slot_timing_enable(adev);
4299 else
4300 acx_short_slot_timing_disable(adev);
4301 acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
4302 }
4303 */
4304 adev->tx_disabled = !conf->radio_enabled;
4305 /* if (conf->power_level != 0){
4306 adev->tx_level_dbm = conf->power_level;
4307 acx_s_set_tx_level(adev, adev->tx_level_dbm);
4308 SET_BIT(adev->set_mask,GETSET_TXPOWER);
4309 //acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
4310 }
4311 */
4312 //FIXME: This does not seem to wake up:
4313 #if 0
4314 if (conf->power_level == 0) {
4315 if (radio->enabled)
4316 bcm43xx_radio_turn_off(bcm);
4317 } else {
4318 if (!radio->enabled)
4319 bcm43xx_radio_turn_on(bcm);
4320 }
4321 #endif
4322
4323 //TODO: phymode
4324 //TODO: antennas
4325 if (adev->set_mask > 0) {
4326 acx_unlock(adev, flags);
4327 acx_s_update_card_settings(adev);
4328 acx_lock(adev, flags);
4329 }
4330 acx_unlock(adev, flags);
4331
4332 FN_EXIT0;
4333 return 0;
4334 }
4335
4336 /**
4337 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4338 **
4339 */
4340
4341 extern int acx_config_interface(struct ieee80211_hw* ieee,
4342 struct ieee80211_vif *vif,
4343 struct ieee80211_if_conf *conf)
4344 {
4345 acx_device_t *adev = ieee2adev(ieee);
4346 unsigned long flags;
4347 int err = -ENODEV;
4348 FN_ENTER;
4349 if (!adev->interface.operating)
4350 goto err_out;
4351
4352 if (adev->initialized)
4353 acx_s_select_opmode(adev);
4354
4355 acx_lock(adev, flags);
4356
4357 if ((conf->type == IEEE80211_IF_TYPE_AP)
4358 && (adev->vif == vif)) {
4359 if ((conf->ssid_len > 0) && conf->ssid)
4360 {
4361 adev->essid_len = conf->ssid_len;
4362 memcpy(adev->essid, conf->ssid, conf->ssid_len);
4363 SET_BIT(adev->set_mask, SET_TEMPLATES);
4364 }
4365 }
4366 if (conf->beacon != 0)
4367 {
4368 adev->beacon_interval = DEFAULT_BEACON_INTERVAL;
4369 adev->beacon_cache = conf->beacon;
4370 SET_BIT(adev->set_mask, SET_TEMPLATES);
4371 }
4372
4373 acx_unlock(adev, flags);
4374
4375 if (adev->set_mask != 0)
4376 acx_s_update_card_settings(adev);
4377 // acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
4378 err = 0;
4379 err_out:
4380 FN_EXIT1(err);
4381 return err;
4382 }
4383
4384 /**
4385 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4386 **
4387 */
4388
4389 int acx_net_get_tx_stats(struct ieee80211_hw *hw,
4390 struct ieee80211_tx_queue_stats *stats)
4391 {
4392 // acx_device_t *adev = ndev2adev(net_dev);
4393 struct ieee80211_tx_queue_stats_data *data;
4394 int err = -ENODEV;
4395
4396 FN_ENTER;
4397
4398 // acx_lock(adev, flags);
4399 data = &(stats->data[0]);
4400 data->len = 0;
4401 data->limit = TX_CNT;
4402 data->count = 0;
4403 // acx_unlock(adev, flags);
4404
4405 FN_EXIT0;
4406 return err;
4407 }
4408 /**
4409 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4410 **
4411 */
4412
4413 int acx_net_conf_tx(struct ieee80211_hw *hw,
4414 int queue, const struct ieee80211_tx_queue_params *params)
4415 {
4416 FN_ENTER;
4417 // TODO();
4418 FN_EXIT0;
4419 return 0;
4420 }
4421
4422 static void keymac_write(acx_device_t * adev, u16 index, const u32 * addr)
4423 {
4424 /* for keys 0-3 there is no associated mac address */
4425 if (index < 4)
4426 return;
4427
4428 index -= 4;
4429 if (1) {
4430 TODO();
4431 /*
4432 bcm43xx_shm_write32(bcm,
4433 BCM43xx_SHM_HWMAC,
4434 index * 2,
4435 cpu_to_be32(*addr));
4436 bcm43xx_shm_write16(bcm,
4437 BCM43xx_SHM_HWMAC,
4438 (index * 2) + 1,
4439 cpu_to_be16(*((u16 *)(addr + 1))));
4440 */
4441 } else {
4442 if (index < 8) {
4443 TODO(); /* Put them in the macaddress filter */
4444 } else {
4445 TODO();
4446 /* Put them BCM43xx_SHM_SHARED, stating index 0x0120.
4447 Keep in mind to update the count of keymacs in 0x003 */
4448 }
4449 }
4450 }
4451
4452 /**
4453 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4454 **
4455 */
4456
4457 int acx_clear_keys(acx_device_t * adev)
4458 {
4459 static const u32 zero_mac[2] = { 0 };
4460 unsigned int i, j, nr_keys = 54;
4461 u16 offset;
4462
4463 /* FixMe:Check for Number of Keys available */
4464
4465 // assert(nr_keys <= ARRAY_SIZE(adev->key));
4466
4467 for (i = 0; i < nr_keys; i++) {
4468 adev->key[i].enabled = 0;
4469 /* returns for i < 4 immediately */
4470 keymac_write(adev, i, zero_mac);
4471 /*
4472 bcm43xx_shm_write16(adev, BCM43xx_SHM_SHARED,
4473 0x100 + (i * 2), 0x0000);
4474 */
4475 for (j = 0; j < 8; j++) {
4476 offset =
4477 adev->security_offset + (j * 4) +
4478 (i * ACX_SEC_KEYSIZE);
4479 /*
4480 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED,
4481 offset, 0x0000);
4482 */
4483 }
4484 }
4485 return 1;
4486 }
4487
4488 /**
4489 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4490 **
4491 */
4492
4493 int acx_key_write(acx_device_t * adev,
4494 u16 index, u8 algorithm,
4495 const struct ieee80211_key_conf *key, const u8 * mac_addr)
4496 {
4497 // struct iw_point *dwrq = &wrqu->encoding;
4498 int result;
4499
4500 FN_ENTER;
4501 /*
4502 log(L_IOCTL, "set encoding flags=0x%04X, size=%d, key: %s\n",
4503 dwrq->flags, dwrq->length, extra ? "set" : "No key");
4504 */
4505 // acx_sem_lock(adev);
4506
4507 // index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
4508 if (key->keylen > 0) {
4509 /* if index is 0 or invalid, use default key */
4510 if (index > 3)
4511 index = (int)adev->wep_current_index;
4512 if ((algorithm == ACX_SEC_ALGO_WEP) ||
4513 (algorithm == ACX_SEC_ALGO_WEP104)) {
4514 switch(key->keylen) {
4515 case 40 / 8:
4516 /* WEP 40-bit =
4517 40-bit entered key + 24 bit IV = 64-bit */
4518 adev->wep_keys[index].size = 13;
4519 break;
4520 case 104 / 8:
4521 /* WEP 104-bit =
4522 104-bit entered key + 24-bit IV = 128-bit */
4523 adev->wep_keys[index].size = 29;
4524 break;
4525 case 128 / 8:
4526 /* WEP 128-bit =
4527 128-bit entered key + 24 bit IV = 152-bit */
4528 adev->wep_keys[index].size = 16;
4529 break;
4530 default:
4531 adev->wep_keys[index].size = 0;
4532 return -EINVAL; /* shouldn't happen */
4533 }
4534
4535 memset(adev->wep_keys[index].key, 0,
4536 sizeof(adev->wep_keys[index].key));
4537 memcpy(adev->wep_keys[index].key, key, key->keylen);
4538 } else {
4539 /* set transmit key */
4540 if (index <= 3)
4541 adev->wep_current_index = index;
4542 // else if (0 == (dwrq->flags & IW_ENCODE_MODE)) {
4543 /* complain if we were not just setting
4544 * the key mode */
4545 // result = -EINVAL;
4546 // goto end_unlock;
4547 // }
4548 }
4549 }
4550
4551 adev->wep_enabled = (algorithm == ALG_WEP);
4552 /*
4553 adev->wep_enabled = !(dwrq->flags & IW_ENCODE_DISABLED);
4554
4555 if (algorithm & IW_ENCODE_OPEN) {
4556 adev->auth_alg = WLAN_AUTH_ALG_OPENSYSTEM;
4557 adev->wep_restricted = 0;
4558
4559 } else if (algorithm & IW_ENCODE_RESTRICTED) {
4560 adev->auth_alg = WLAN_AUTH_ALG_SHAREDKEY;
4561 adev->wep_restricted = 1;
4562 }
4563 */
4564 // adev->auth_alg = algorithm;
4565 /* set flag to make sure the card WEP settings get updated */
4566 if (adev->wep_enabled) {
4567 SET_BIT(adev->set_mask, GETSET_WEP);
4568 acx_s_update_card_settings(adev);
4569 // acx_schedule_task(adev, ACX_TASKLET_UPDATE_CARD_CFG);
4570 }
4571 /*
4572 log(L_IOCTL, "len=%d, key at 0x%p, flags=0x%X\n",
4573 dwrq->length, extra, dwrq->flags);
4574 for (index = 0; index <= 3; index++) {
4575 if (adev->wep_keys[index].size) {
4576 log(L_IOCTL, "index=%d, size=%d, key at 0x%p\n",
4577 adev->wep_keys[index].index,
4578 (int) adev->wep_keys[index].size,
4579 adev->wep_keys[index].key);
4580 }
4581 }
4582 */
4583 result = -EINPROGRESS;
4584 // acx_sem_unlock(adev);
4585
4586 FN_EXIT1(result);
4587 return result;
4588
4589
4590 }
4591
4592 /**
4593 ** Derived from mac80211 code, p54, bcm43xx_mac80211
4594 **
4595 */
4596
4597 int acx_net_set_key(struct ieee80211_hw *ieee,
4598 enum set_key_cmd cmd, const u8 *local_addr,
4599 const u8 * addr, struct ieee80211_key_conf *key)
4600 {
4601 // return 0;
4602 struct acx_device *adev = ieee2adev(ieee);
4603 unsigned long flags;
4604 u8 algorithm;
4605 u16 index;
4606 int err = -EINVAL;
4607 FN_ENTER;
4608 // TODO();
4609 switch (key->alg) {
4610 default:
4611 /* case ALG_NONE:
4612 case ALG_NULL:
4613 algorithm = ACX_SEC_ALGO_NONE;
4614 break;
4615 */ case ALG_WEP:
4616 if (key->keylen == 5)
4617 algorithm = ACX_SEC_ALGO_WEP;
4618 else
4619 algorithm = ACX_SEC_ALGO_WEP104;
4620 break;
4621 case ALG_TKIP:
4622 algorithm = ACX_SEC_ALGO_TKIP;
4623 break;
4624 case ALG_CCMP:
4625 algorithm = ACX_SEC_ALGO_AES;
4626 break;
4627 }
4628
4629 index = (u8) (key->keyidx);
4630 if (index >= ARRAY_SIZE(adev->key))
4631 goto out;
4632 acx_lock(adev, flags);
4633 switch (cmd) {
4634 case SET_KEY:
4635 err = acx_key_write(adev, index, algorithm, key, addr);
4636 if (err)
4637 goto out_unlock;
4638 key->hw_key_idx = index;
4639 /* CLEAR_BIT(key->flags, IEEE80211_KEY_FORCE_SW_ENCRYPT);*/
4640 /* if (CHECK_BIT(key->flags, IEEE80211_KEY_DEFAULT_TX_KEY))
4641 adev->default_key_idx = index;*/
4642 SET_BIT(key->flags, IEEE80211_KEY_FLAG_GENERATE_IV);
4643 adev->key[index].enabled = 1;
4644 break;
4645 case DISABLE_KEY:
4646 adev->key[index].enabled = 0;
4647 err = 0;
4648 break;
4649 /* case ENABLE_COMPRESSION:
4650 case DISABLE_COMPRESSION:
4651 err = 0;
4652 break; */
4653 }
4654 out_unlock:
4655 acx_unlock(adev, flags);
4656 out:
4657 FN_EXIT0;
4658 return err;
4659 }
4660
4661
4662
4663 /***********************************************************************
4664 ** Common function to parse ALL configoption struct formats
4665 ** (ACX100 and ACX111; FIXME: how to make it work with ACX100 USB!?!?).
4666 ** FIXME: logging should be removed here and added to a /proc file instead
4667 **
4668 ** Look into bcm43xx
4669 */
4670 void
4671 acx_s_parse_configoption(acx_device_t * adev,
4672 const acx111_ie_configoption_t * pcfg)
4673 {
4674 const u8 *pEle;
4675 int i;
4676 int is_acx111 = IS_ACX111(adev);
4677
4678 acx_log_dump(LOG_DEBUG, L_REALLYVERBOSE, pcfg, sizeof(*pcfg),
4679 "configoption struct content:\n");
4680
4681 if ((is_acx111 && (adev->eeprom_version == 5))
4682 || (!is_acx111 && (adev->eeprom_version == 4))
4683 || (!is_acx111 && (adev->eeprom_version == 5))) {
4684 /* these versions are known to be supported */
4685 } else {
4686 acx_log(LOG_WARNING, L_ANY,
4687 "unknown chip and EEPROM version combination "
4688 "(%s, v%d), "
4689 "don't know how to parse config options yet. "
4690 "Please report\n", is_acx111 ? "ACX111" : "ACX100",
4691 adev->eeprom_version);
4692 return;
4693 }
4694
4695 /* first custom-parse the first part which has chip-specific layout */
4696
4697 pEle = (const u8 *)pcfg;
4698
4699 pEle += 4; /* skip (type,len) header */
4700
4701 memcpy(adev->cfgopt_NVSv, pEle, sizeof(adev->cfgopt_NVSv));
4702 pEle += sizeof(adev->cfgopt_NVSv);
4703
4704 if (is_acx111) {
4705 adev->cfgopt_NVS_vendor_offs = le16_to_cpu(*(u16 *) pEle);
4706 pEle += sizeof(adev->cfgopt_NVS_vendor_offs);
4707
4708 adev->cfgopt_probe_delay = 200; /* good default value? */
4709 pEle += 2; /* FIXME: unknown, value 0x0001 */
4710 } else {
4711 memcpy(adev->cfgopt_MAC, pEle, sizeof(adev->cfgopt_MAC));
4712 pEle += sizeof(adev->cfgopt_MAC);
4713
4714 adev->cfgopt_probe_delay = le16_to_cpu(*(u16 *) pEle);
4715 pEle += sizeof(adev->cfgopt_probe_delay);
4716 if ((adev->cfgopt_probe_delay < 100)
4717 || (adev->cfgopt_probe_delay > 500)) {
4718 acx_log(LOG_WARNING, L_ANY,
4719 "strange probe_delay value %d, "
4720 "tweaking to 200\n", adev->cfgopt_probe_delay);
4721 adev->cfgopt_probe_delay = 200;
4722 }
4723 }
4724
4725 adev->cfgopt_eof_memory = le32_to_cpu(*(u32 *) pEle);
4726 pEle += sizeof(adev->cfgopt_eof_memory);
4727
4728 acx_log(LOG_INFO, L_ANY, "NVS_vendor_offs:%04X probe_delay:%d "
4729 "eof_memory:%d\n",
4730 adev->cfgopt_NVS_vendor_offs, adev->cfgopt_probe_delay,
4731 adev->cfgopt_eof_memory);
4732
4733 adev->cfgopt_dot11CCAModes = *pEle++;
4734 adev->cfgopt_dot11Diversity = *pEle++;
4735 adev->cfgopt_dot11ShortPreambleOption = *pEle++;
4736 adev->cfgopt_dot11PBCCOption = *pEle++;
4737 adev->cfgopt_dot11ChannelAgility = *pEle++;
4738 adev->cfgopt_dot11PhyType = *pEle++;
4739 adev->cfgopt_dot11TempType = *pEle++;
4740 acx_log(LOG_INFO, L_ANY,
4741 "CCAModes:%02X Diversity:%02X ShortPreOpt:%02X "
4742 "PBCC:%02X ChanAgil:%02X PHY:%02X Temp:%02X\n",
4743 adev->cfgopt_dot11CCAModes, adev->cfgopt_dot11Diversity,
4744 adev->cfgopt_dot11ShortPreambleOption,
4745 adev->cfgopt_dot11PBCCOption, adev->cfgopt_dot11ChannelAgility,
4746 adev->cfgopt_dot11PhyType, adev->cfgopt_dot11TempType);
4747
4748 /* then use common parsing for next part which has common layout */
4749
4750 pEle++; /* skip table_count (6) */
4751
4752 adev->cfgopt_antennas.type = pEle[0];
4753 adev->cfgopt_antennas.len = pEle[1];
4754
4755 /*
4756 * FIXME: a candidate for acx_log_dump(), but the code is bizarre
4757 */
4758 acx_log(LOG_INFO, L_ANY, "AntennaID:%02X Len:%02X Data:",
4759 adev->cfgopt_antennas.type, adev->cfgopt_antennas.len);
4760 for (i = 0; i < pEle[1]; i++) {
4761 adev->cfgopt_antennas.list[i] = pEle[i + 2];
4762 printk("%02X ", pEle[i + 2]);
4763 }
4764 printk("\n");
4765
4766 pEle += pEle[1] + 2;
4767 adev->cfgopt_power_levels.type = pEle[0];
4768 adev->cfgopt_power_levels.len = pEle[1];
4769
4770 /*
4771 * FIXME: see above
4772 */
4773 acx_log(LOG_INFO, L_ANY, "PowerLevelID:%02X Len:%02X Data:",
4774 adev->cfgopt_power_levels.type, adev->cfgopt_power_levels.len);
4775 for (i = 0; i < pEle[1]; i++) {
4776 adev->cfgopt_power_levels.list[i] =
4777 le16_to_cpu(*(u16 *) & pEle[i * 2 + 2]);
4778 printk("%04X ", adev->cfgopt_power_levels.list[i]);
4779 }
4780 printk("\n");
4781
4782 pEle += pEle[1] * 2 + 2;
4783 adev->cfgopt_data_rates.type = pEle[0];
4784 adev->cfgopt_data_rates.len = pEle[1];
4785
4786 /*
4787 * FIXME again
4788 */
4789 acx_log(LOG_INFO, L_ANY, "DataRatesID:%02X Len:%02X Data:",
4790 adev->cfgopt_data_rates.type, adev->cfgopt_data_rates.len);
4791 for (i = 0; i < pEle[1]; i++) {
4792 adev->cfgopt_data_rates.list[i] = pEle[i + 2];
4793 printk("%02X ", pEle[i + 2]);
4794 }
4795 printk("\n");
4796
4797 pEle += pEle[1] + 2;
4798 adev->cfgopt_domains.type = pEle[0];
4799 adev->cfgopt_domains.len = pEle[1];
4800
4801 /*
4802 * And again
4803 */
4804 acx_log(LOG_INFO, L_ANY, "DomainID:%02X Len:%02X Data:",
4805 adev->cfgopt_domains.type, adev->cfgopt_domains.len);
4806 for (i = 0; i < pEle[1]; i++) {
4807 adev->cfgopt_domains.list[i] = pEle[i + 2];
4808 printk("%02X ", pEle[i + 2]);
4809 }
4810 printk("\n");
4811
4812 pEle += pEle[1] + 2;
4813 adev->cfgopt_product_id.type = pEle[0];
4814 adev->cfgopt_product_id.len = pEle[1];
4815 for (i = 0; i < pEle[1]; i++) {
4816 adev->cfgopt_product_id.list[i] = pEle[i + 2];
4817 }
4818 acx_log(LOG_INFO, L_ANY, "ProductID:%02X Len:%02X Data:%.*s\n",
4819 adev->cfgopt_product_id.type, adev->cfgopt_product_id.len,
4820 adev->cfgopt_product_id.len,
4821 (char *)adev->cfgopt_product_id.list);
4822
4823 pEle += pEle[1] + 2;
4824 adev->cfgopt_manufacturer.type = pEle[0];
4825 adev->cfgopt_manufacturer.len = pEle[1];
4826 for (i = 0; i < pEle[1]; i++) {
4827 adev->cfgopt_manufacturer.list[i] = pEle[i + 2];
4828 }
4829 acx_log(LOG_INFO, L_ANY, "ManufacturerID:%02X Len:%02X Data:%.*s\n",
4830 adev->cfgopt_manufacturer.type, adev->cfgopt_manufacturer.len,
4831 adev->cfgopt_manufacturer.len,
4832 (char *)adev->cfgopt_manufacturer.list);
4833 /*
4834 printk("EEPROM part:\n");
4835 for (i=0; i<58; i++) {
4836 printk("%02X =======> 0x%02X\n",
4837 i, (u8 *)adev->cfgopt_NVSv[i-2]);
4838 }
4839 */
4840 }
4841
4842
4843 /***********************************************************************
4844 ** Linux Kernel Specific
4845 */
4846 static int __init acx_e_init_module(void)
4847 {
4848 int r1, r2;
4849
4850 acx_struct_size_check();
4851
4852 acx_log(LOG_INFO, L_ANY, "this driver is still EXPERIMENTAL\n");
4853 acx_log(LOG_INFO, L_ANY, "acx: reading README file and/or "
4854 "Craig's HOWTO is recommended, "
4855 "visit http://acx100.sourceforge.net/wiki in case "
4856 "of further questions/discussion\n");
4857
4858 #if defined(CONFIG_ACX_MAC80211_PCI)
4859 r1 = acxpci_e_init_module();
4860 #else
4861 r1 = -EINVAL;
4862 #endif
4863 #if defined(CONFIG_ACX_MAC80211_USB)
4864 r2 = acxusb_e_init_module();
4865 #else
4866 r2 = -EINVAL;
4867 #endif
4868 if (r2 && r1) /* both failed! */
4869 return r2 ? r2 : r1;
4870 /* return success if at least one succeeded */
4871 return 0;
4872 }
4873
4874 static void __exit acx_e_cleanup_module(void)
4875 {
4876 #if defined(CONFIG_ACX_MAC80211_PCI)
4877 acxpci_e_cleanup_module();
4878 #endif
4879 #if defined(CONFIG_ACX_MAC80211_USB)
4880 acxusb_e_cleanup_module();
4881 #endif
4882 }
4883
4884 module_init(acx_e_init_module)
4885 module_exit(acx_e_cleanup_module)
ACX100/ACX111/TNETW1450 wireless network driver