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[PATCH] libertas: first pass at fixing up endianness issues
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / libertas / cmd.c
blob124e029f1bf412105d0f02e643be55c9cb1ffc71
1 /**
2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
4 */
5
6 #include <net/iw_handler.h>
7 #include "host.h"
8 #include "hostcmd.h"
9 #include "decl.h"
10 #include "defs.h"
11 #include "dev.h"
12 #include "join.h"
13 #include "wext.h"
14
15 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
16
17 static u16 commands_allowed_in_ps[] = {
18 cmd_802_11_rssi,
19 };
20
21 /**
22 * @brief This function checks if the commans is allowed
23 * in PS mode not.
24 *
25 * @param command the command ID
26 * @return TRUE or FALSE
27 */
28 static u8 is_command_allowed_in_ps(__le16 command)
29 {
30 int i;
31
32 for (i = 0; i < ARRAY_SIZE(commands_allowed_in_ps); i++) {
33 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
34 return 1;
35 }
36
37 return 0;
38 }
39
40 static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
41 {
42 struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
43
44 lbs_deb_enter(LBS_DEB_CMD);
45
46 cmd->command = cpu_to_le16(cmd_get_hw_spec);
47 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
48 memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
49
50 lbs_deb_leave(LBS_DEB_CMD);
51 return 0;
52 }
53
54 static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
55 struct cmd_ds_command *cmd,
56 u16 cmd_action)
57 {
58 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
59 wlan_adapter *adapter = priv->adapter;
60
61 lbs_deb_enter(LBS_DEB_CMD);
62
63 cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
64 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
65 S_DS_GEN);
66 psm->action = cpu_to_le16(cmd_action);
67 psm->multipledtim = 0;
68 switch (cmd_action) {
69 case cmd_subcmd_enter_ps:
70 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
71 lbs_deb_cmd("locallisteninterval = %d\n",
72 adapter->locallisteninterval);
73
74 psm->locallisteninterval =
75 cpu_to_le16(adapter->locallisteninterval);
76 psm->nullpktinterval =
77 cpu_to_le16(adapter->nullpktinterval);
78 psm->multipledtim =
79 cpu_to_le16(priv->adapter->multipledtim);
80 break;
81
82 case cmd_subcmd_exit_ps:
83 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
84 break;
85
86 case cmd_subcmd_sleep_confirmed:
87 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
88 break;
89
90 default:
91 break;
92 }
93
94 lbs_deb_leave(LBS_DEB_CMD);
95 return 0;
96 }
97
98 static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
99 struct cmd_ds_command *cmd,
100 u16 cmd_action, void *pdata_buf)
101 {
102 u16 *timeout = pdata_buf;
103
104 cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
105 cmd->size =
106 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
107 + S_DS_GEN);
108
109 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
110
111 if (cmd_action)
112 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
113 else
114 cmd->params.inactivity_timeout.timeout = 0;
115
116 return 0;
117 }
118
119 static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
120 struct cmd_ds_command *cmd,
121 u16 cmd_action)
122 {
123 wlan_adapter *adapter = priv->adapter;
124 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
125
126 lbs_deb_enter(LBS_DEB_CMD);
127
128 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
129 S_DS_GEN);
130 cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
131
132 if (cmd_action == cmd_act_get) {
133 memset(&adapter->sp, 0, sizeof(struct sleep_params));
134 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
135 sp->action = cpu_to_le16(cmd_action);
136 } else if (cmd_action == cmd_act_set) {
137 sp->action = cpu_to_le16(cmd_action);
138 sp->error = cpu_to_le16(adapter->sp.sp_error);
139 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
140 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
141 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
142 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
143 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
144 }
145
146 lbs_deb_leave(LBS_DEB_CMD);
147 return 0;
148 }
149
150 static int wlan_cmd_802_11_set_wep(wlan_private * priv,
151 struct cmd_ds_command *cmd,
152 u32 cmd_act,
153 void * pdata_buf)
154 {
155 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
156 wlan_adapter *adapter = priv->adapter;
157 int ret = 0;
158 struct assoc_request * assoc_req = pdata_buf;
159
160 lbs_deb_enter(LBS_DEB_CMD);
161
162 cmd->command = cpu_to_le16(cmd_802_11_set_wep);
163 cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
164
165 if (cmd_act == cmd_act_add) {
166 int i;
167
168 if (!assoc_req) {
169 lbs_deb_cmd("Invalid association request!");
170 ret = -1;
171 goto done;
172 }
173
174 wep->action = cpu_to_le16(cmd_act_add);
175
176 /* default tx key index */
177 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
178 (u32)cmd_WEP_KEY_INDEX_MASK));
179
180 lbs_deb_cmd("Tx key Index: %u\n", le16_to_cpu(wep->keyindex));
181
182 /* Copy key types and material to host command structure */
183 for (i = 0; i < 4; i++) {
184 struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
185
186 switch (pkey->len) {
187 case KEY_LEN_WEP_40:
188 wep->keytype[i] =
189 cpu_to_le16(cmd_type_wep_40_bit);
190 memmove(&wep->keymaterial[i], pkey->key,
191 pkey->len);
192 break;
193 case KEY_LEN_WEP_104:
194 wep->keytype[i] =
195 cpu_to_le16(cmd_type_wep_104_bit);
196 memmove(&wep->keymaterial[i], pkey->key,
197 pkey->len);
198 break;
199 case 0:
200 break;
201 default:
202 lbs_deb_cmd("Invalid WEP key %d length of %d\n",
203 i, pkey->len);
204 ret = -1;
205 goto done;
206 break;
207 }
208 }
209 } else if (cmd_act == cmd_act_remove) {
210 /* ACT_REMOVE clears _all_ WEP keys */
211 wep->action = cpu_to_le16(cmd_act_remove);
212
213 /* default tx key index */
214 wep->keyindex = cpu_to_le16((u16)(adapter->wep_tx_keyidx &
215 (u32)cmd_WEP_KEY_INDEX_MASK));
216 }
217
218 ret = 0;
219
220 done:
221 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
222 return ret;
223 }
224
225 static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
226 struct cmd_ds_command *cmd,
227 u16 cmd_action,
228 void * pdata_buf)
229 {
230 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
231 struct assoc_request * assoc_req = pdata_buf;
232
233 lbs_deb_enter(LBS_DEB_CMD);
234
235 cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
236 cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
237 penableRSN->action = cpu_to_le16(cmd_action);
238 if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
239 penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
240 } else {
241 penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
242 }
243
244 lbs_deb_leave(LBS_DEB_CMD);
245 return 0;
246 }
247
248
249 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
250 struct WLAN_802_11_KEY * pkey)
251 {
252 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
253
254 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
255 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
256 }
257 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
258 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
259 }
260 if (pkey->flags & KEY_INFO_WPA_MCAST) {
261 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
262 }
263
264 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
265 pkeyparamset->keylen = cpu_to_le16(pkey->len);
266 memcpy(pkeyparamset->key, pkey->key, pkey->len);
267 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
268 + sizeof(pkeyparamset->keyinfo)
269 + sizeof(pkeyparamset->keylen)
270 + sizeof(pkeyparamset->key));
271 }
272
273 static int wlan_cmd_802_11_key_material(wlan_private * priv,
274 struct cmd_ds_command *cmd,
275 u16 cmd_action,
276 u32 cmd_oid, void *pdata_buf)
277 {
278 struct cmd_ds_802_11_key_material *pkeymaterial =
279 &cmd->params.keymaterial;
280 struct assoc_request * assoc_req = pdata_buf;
281 int ret = 0;
282 int index = 0;
283
284 lbs_deb_enter(LBS_DEB_CMD);
285
286 cmd->command = cpu_to_le16(cmd_802_11_key_material);
287 pkeymaterial->action = cpu_to_le16(cmd_action);
288
289 if (cmd_action == cmd_act_get) {
290 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
291 ret = 0;
292 goto done;
293 }
294
295 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
296
297 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
298 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
299 &assoc_req->wpa_unicast_key);
300 index++;
301 }
302
303 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
304 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
305 &assoc_req->wpa_mcast_key);
306 index++;
307 }
308
309 cmd->size = cpu_to_le16( S_DS_GEN
310 + sizeof (pkeymaterial->action)
311 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
312
313 ret = 0;
314
315 done:
316 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
317 return ret;
318 }
319
320 static int wlan_cmd_802_11_reset(wlan_private * priv,
321 struct cmd_ds_command *cmd, int cmd_action)
322 {
323 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
324
325 cmd->command = cpu_to_le16(cmd_802_11_reset);
326 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
327 reset->action = cpu_to_le16(cmd_action);
328
329 return 0;
330 }
331
332 static int wlan_cmd_802_11_get_log(wlan_private * priv,
333 struct cmd_ds_command *cmd)
334 {
335 cmd->command = cpu_to_le16(cmd_802_11_get_log);
336 cmd->size =
337 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
338
339 return 0;
340 }
341
342 static int wlan_cmd_802_11_get_stat(wlan_private * priv,
343 struct cmd_ds_command *cmd)
344 {
345 cmd->command = cpu_to_le16(cmd_802_11_get_stat);
346 cmd->size =
347 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
348
349 return 0;
350 }
351
352 static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
353 struct cmd_ds_command *cmd,
354 int cmd_action,
355 int cmd_oid, void *pdata_buf)
356 {
357 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
358 wlan_adapter *adapter = priv->adapter;
359 u8 ucTemp;
360
361 lbs_deb_enter(LBS_DEB_CMD);
362
363 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
364
365 cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
366 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
367
368 switch (cmd_oid) {
369 case OID_802_11_INFRASTRUCTURE_MODE:
370 {
371 u8 mode = (u8) (size_t) pdata_buf;
372 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
373 pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
374 pSNMPMIB->bufsize = sizeof(u8);
375 if (mode == IW_MODE_ADHOC) {
376 ucTemp = SNMP_MIB_VALUE_ADHOC;
377 } else {
378 /* Infra and Auto modes */
379 ucTemp = SNMP_MIB_VALUE_INFRA;
380 }
381
382 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
383
384 break;
385 }
386
387 case OID_802_11D_ENABLE:
388 {
389 u32 ulTemp;
390
391 pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
392
393 if (cmd_action == cmd_act_set) {
394 pSNMPMIB->querytype = cmd_act_set;
395 pSNMPMIB->bufsize = sizeof(u16);
396 ulTemp = *(u32 *)pdata_buf;
397 *((__le16 *)(pSNMPMIB->value)) =
398 cpu_to_le16((u16) ulTemp);
399 }
400 break;
401 }
402
403 case OID_802_11_FRAGMENTATION_THRESHOLD:
404 {
405 u32 ulTemp;
406
407 pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
408
409 if (cmd_action == cmd_act_get) {
410 pSNMPMIB->querytype = cpu_to_le16(cmd_act_get);
411 } else if (cmd_action == cmd_act_set) {
412 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
413 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
414 ulTemp = *((u32 *) pdata_buf);
415 *((__le16 *)(pSNMPMIB->value)) =
416 cpu_to_le16((u16) ulTemp);
417
418 }
419
420 break;
421 }
422
423 case OID_802_11_RTS_THRESHOLD:
424 {
425
426 u32 ulTemp;
427 pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
428
429 if (cmd_action == cmd_act_get) {
430 pSNMPMIB->querytype = cpu_to_le16(cmd_act_get);
431 } else if (cmd_action == cmd_act_set) {
432 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
433 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
434 ulTemp = *((u32 *)pdata_buf);
435 *(__le16 *)(pSNMPMIB->value) =
436 cpu_to_le16((u16) ulTemp);
437
438 }
439 break;
440 }
441 case OID_802_11_TX_RETRYCOUNT:
442 pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
443
444 if (cmd_action == cmd_act_get) {
445 pSNMPMIB->querytype = cpu_to_le16(cmd_act_get);
446 } else if (cmd_action == cmd_act_set) {
447 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
448 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
449 *((__le16 *)(pSNMPMIB->value)) =
450 cpu_to_le16((u16) adapter->txretrycount);
451 }
452
453 break;
454 default:
455 break;
456 }
457
458 lbs_deb_cmd(
459 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
460 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
461 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
462
463 lbs_deb_cmd(
464 "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
465 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
466 le16_to_cpu(pSNMPMIB->bufsize),
467 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
468
469 lbs_deb_leave(LBS_DEB_CMD);
470 return 0;
471 }
472
473 static int wlan_cmd_802_11_radio_control(wlan_private * priv,
474 struct cmd_ds_command *cmd,
475 int cmd_action)
476 {
477 wlan_adapter *adapter = priv->adapter;
478 struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
479
480 lbs_deb_enter(LBS_DEB_CMD);
481
482 cmd->size =
483 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
484 S_DS_GEN);
485 cmd->command = cpu_to_le16(cmd_802_11_radio_control);
486
487 pradiocontrol->action = cpu_to_le16(cmd_action);
488
489 switch (adapter->preamble) {
490 case cmd_type_short_preamble:
491 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
492 break;
493
494 case cmd_type_long_preamble:
495 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
496 break;
497
498 case cmd_type_auto_preamble:
499 default:
500 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
501 break;
502 }
503
504 if (adapter->radioon)
505 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
506 else
507 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
508
509 lbs_deb_leave(LBS_DEB_CMD);
510 return 0;
511 }
512
513 static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
514 struct cmd_ds_command *cmd,
515 u16 cmd_action, void *pdata_buf)
516 {
517
518 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
519
520 lbs_deb_enter(LBS_DEB_CMD);
521
522 cmd->size =
523 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
524 cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
525 prtp->action = cpu_to_le16(cmd_action);
526
527 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
528 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
529 le16_to_cpu(prtp->action));
530
531 switch (cmd_action) {
532 case cmd_act_tx_power_opt_get:
533 prtp->action = cpu_to_le16(cmd_act_get);
534 prtp->currentlevel = 0;
535 break;
536
537 case cmd_act_tx_power_opt_set_high:
538 prtp->action = cpu_to_le16(cmd_act_set);
539 prtp->currentlevel = cpu_to_le16(cmd_act_tx_power_index_high);
540 break;
541
542 case cmd_act_tx_power_opt_set_mid:
543 prtp->action = cpu_to_le16(cmd_act_set);
544 prtp->currentlevel = cpu_to_le16(cmd_act_tx_power_index_mid);
545 break;
546
547 case cmd_act_tx_power_opt_set_low:
548 prtp->action = cpu_to_le16(cmd_act_set);
549 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
550 break;
551 }
552
553 lbs_deb_leave(LBS_DEB_CMD);
554 return 0;
555 }
556
557 static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
558 struct cmd_ds_command *cmd,
559 u16 cmd_action, void *pdata_buf)
560 {
561 struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
562
563 cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
564 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
565 S_DS_GEN);
566
567 rant->action = cpu_to_le16(cmd_action);
568 if ((cmd_action == cmd_act_set_rx) || (cmd_action == cmd_act_set_tx)) {
569 rant->antennamode = cpu_to_le16((u16) (*(u32 *) pdata_buf));
570 }
571
572 return 0;
573 }
574
575 static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
576 struct cmd_ds_command *cmd,
577 u16 cmd_action)
578 {
579 struct cmd_ds_802_11_rate_adapt_rateset
580 *rateadapt = &cmd->params.rateset;
581 wlan_adapter *adapter = priv->adapter;
582
583 cmd->size =
584 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
585 + S_DS_GEN);
586 cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
587
588 lbs_deb_enter(LBS_DEB_CMD);
589
590 rateadapt->action = cpu_to_le16(cmd_action);
591 rateadapt->enablehwauto = cpu_to_le16(adapter->enablehwauto);
592 rateadapt->bitmap = cpu_to_le16(adapter->ratebitmap);
593
594 lbs_deb_leave(LBS_DEB_CMD);
595 return 0;
596 }
597
598 static int wlan_cmd_802_11_data_rate(wlan_private * priv,
599 struct cmd_ds_command *cmd,
600 u16 cmd_action)
601 {
602 struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
603 wlan_adapter *adapter = priv->adapter;
604
605 lbs_deb_enter(LBS_DEB_CMD);
606
607 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
608 S_DS_GEN);
609
610 cmd->command = cpu_to_le16(cmd_802_11_data_rate);
611
612 memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
613
614 pdatarate->action = cpu_to_le16(cmd_action);
615
616 if (cmd_action == cmd_act_set_tx_fix_rate) {
617 pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
618 lbs_deb_cmd("Setting FW for fixed rate 0x%02X\n",
619 adapter->datarate);
620 } else if (cmd_action == cmd_act_set_tx_auto) {
621 lbs_deb_cmd("Setting FW for AUTO rate\n");
622 }
623
624 lbs_deb_leave(LBS_DEB_CMD);
625 return 0;
626 }
627
628 static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
629 struct cmd_ds_command *cmd,
630 u16 cmd_action)
631 {
632 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
633 wlan_adapter *adapter = priv->adapter;
634
635 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
636 S_DS_GEN);
637 cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
638
639 pMCastAdr->action = cpu_to_le16(cmd_action);
640 pMCastAdr->nr_of_adrs =
641 cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
642 memcpy(pMCastAdr->maclist, adapter->multicastlist,
643 adapter->nr_of_multicastmacaddr * ETH_ALEN);
644
645 return 0;
646 }
647
648 static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
649 struct cmd_ds_command *cmd,
650 int option, void *pdata_buf)
651 {
652 struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
653
654 cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
655 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
656 S_DS_GEN);
657
658 if (option == cmd_opt_802_11_rf_channel_set) {
659 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
660 }
661
662 rfchan->action = cpu_to_le16(option);
663
664 return 0;
665 }
666
667 static int wlan_cmd_802_11_rssi(wlan_private * priv,
668 struct cmd_ds_command *cmd)
669 {
670 wlan_adapter *adapter = priv->adapter;
671
672 cmd->command = cpu_to_le16(cmd_802_11_rssi);
673 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
674 cmd->params.rssi.N = cpu_to_le16(priv->adapter->bcn_avg_factor);
675
676 /* reset Beacon SNR/NF/RSSI values */
677 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
678 adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
679 adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
680 adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
681 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
682 adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
683
684 return 0;
685 }
686
687 static int wlan_cmd_reg_access(wlan_private * priv,
688 struct cmd_ds_command *cmdptr,
689 u8 cmd_action, void *pdata_buf)
690 {
691 struct wlan_offset_value *offval;
692
693 lbs_deb_enter(LBS_DEB_CMD);
694
695 offval = (struct wlan_offset_value *)pdata_buf;
696
697 switch (cmdptr->command) {
698 case cmd_mac_reg_access:
699 {
700 struct cmd_ds_mac_reg_access *macreg;
701
702 cmdptr->size =
703 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
704 + S_DS_GEN);
705 macreg =
706 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
707 macreg;
708
709 macreg->action = cpu_to_le16(cmd_action);
710 macreg->offset = cpu_to_le16((u16) offval->offset);
711 macreg->value = cpu_to_le32(offval->value);
712
713 break;
714 }
715
716 case cmd_bbp_reg_access:
717 {
718 struct cmd_ds_bbp_reg_access *bbpreg;
719
720 cmdptr->size =
721 cpu_to_le16(sizeof
722 (struct cmd_ds_bbp_reg_access)
723 + S_DS_GEN);
724 bbpreg =
725 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
726 bbpreg;
727
728 bbpreg->action = cpu_to_le16(cmd_action);
729 bbpreg->offset = cpu_to_le16((u16) offval->offset);
730 bbpreg->value = (u8) offval->value;
731
732 break;
733 }
734
735 case cmd_rf_reg_access:
736 {
737 struct cmd_ds_rf_reg_access *rfreg;
738
739 cmdptr->size =
740 cpu_to_le16(sizeof
741 (struct cmd_ds_rf_reg_access) +
742 S_DS_GEN);
743 rfreg =
744 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
745 rfreg;
746
747 rfreg->action = cpu_to_le16(cmd_action);
748 rfreg->offset = cpu_to_le16((u16) offval->offset);
749 rfreg->value = (u8) offval->value;
750
751 break;
752 }
753
754 default:
755 break;
756 }
757
758 lbs_deb_leave(LBS_DEB_CMD);
759 return 0;
760 }
761
762 static int wlan_cmd_802_11_mac_address(wlan_private * priv,
763 struct cmd_ds_command *cmd,
764 u16 cmd_action)
765 {
766 wlan_adapter *adapter = priv->adapter;
767
768 cmd->command = cpu_to_le16(cmd_802_11_mac_address);
769 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
770 S_DS_GEN);
771 cmd->result = 0;
772
773 cmd->params.macadd.action = cpu_to_le16(cmd_action);
774
775 if (cmd_action == cmd_act_set) {
776 memcpy(cmd->params.macadd.macadd,
777 adapter->current_addr, ETH_ALEN);
778 lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
779 }
780
781 return 0;
782 }
783
784 static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
785 struct cmd_ds_command *cmd,
786 int cmd_action, void *pdata_buf)
787 {
788 struct wlan_ioctl_regrdwr *ea = pdata_buf;
789
790 lbs_deb_enter(LBS_DEB_CMD);
791
792 cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
793 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
794 S_DS_GEN);
795 cmd->result = 0;
796
797 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
798 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
799 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
800 cmd->params.rdeeprom.value = 0;
801
802 return 0;
803 }
804
805 static int wlan_cmd_bt_access(wlan_private * priv,
806 struct cmd_ds_command *cmd,
807 u16 cmd_action, void *pdata_buf)
808 {
809 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
810 lbs_deb_cmd("BT CMD(%d)\n", cmd_action);
811
812 cmd->command = cpu_to_le16(cmd_bt_access);
813 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
814 cmd->result = 0;
815 bt_access->action = cpu_to_le16(cmd_action);
816
817 switch (cmd_action) {
818 case cmd_act_bt_access_add:
819 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
820 lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
821 break;
822 case cmd_act_bt_access_del:
823 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
824 lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
825 break;
826 case cmd_act_bt_access_list:
827 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
828 break;
829 case cmd_act_bt_access_reset:
830 break;
831 case cmd_act_bt_access_set_invert:
832 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
833 break;
834 case cmd_act_bt_access_get_invert:
835 break;
836 default:
837 break;
838 }
839 return 0;
840 }
841
842 static int wlan_cmd_fwt_access(wlan_private * priv,
843 struct cmd_ds_command *cmd,
844 u16 cmd_action, void *pdata_buf)
845 {
846 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
847 lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
848
849 cmd->command = cpu_to_le16(cmd_fwt_access);
850 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
851 cmd->result = 0;
852
853 if (pdata_buf)
854 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
855 else
856 memset(fwt_access, 0, sizeof(*fwt_access));
857
858 fwt_access->action = cpu_to_le16(cmd_action);
859
860 return 0;
861 }
862
863 static int wlan_cmd_mesh_access(wlan_private * priv,
864 struct cmd_ds_command *cmd,
865 u16 cmd_action, void *pdata_buf)
866 {
867 struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
868 lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
869
870 cmd->command = cpu_to_le16(cmd_mesh_access);
871 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
872 cmd->result = 0;
873
874 if (pdata_buf)
875 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
876 else
877 memset(mesh_access, 0, sizeof(*mesh_access));
878
879 mesh_access->action = cpu_to_le16(cmd_action);
880
881 return 0;
882 }
883
884 void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
885 {
886 unsigned long flags;
887 struct cmd_ds_command *cmdptr;
888
889 lbs_deb_enter(LBS_DEB_CMD);
890
891 if (!cmdnode) {
892 lbs_deb_cmd("QUEUE_CMD: cmdnode is NULL\n");
893 goto done;
894 }
895
896 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
897 if (!cmdptr) {
898 lbs_deb_cmd("QUEUE_CMD: cmdptr is NULL\n");
899 goto done;
900 }
901
902 /* Exit_PS command needs to be queued in the header always. */
903 if (cmdptr->command == cmd_802_11_ps_mode) {
904 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
905 if (psm->action == cpu_to_le16(cmd_subcmd_exit_ps)) {
906 if (adapter->psstate != PS_STATE_FULL_POWER)
907 addtail = 0;
908 }
909 }
910
911 spin_lock_irqsave(&adapter->driver_lock, flags);
912
913 if (addtail)
914 list_add_tail((struct list_head *)cmdnode,
915 &adapter->cmdpendingq);
916 else
917 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
918
919 spin_unlock_irqrestore(&adapter->driver_lock, flags);
920
921 lbs_deb_cmd("QUEUE_CMD: Inserted node=%p, cmd=0x%x in cmdpendingq\n",
922 cmdnode,
923 le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
924
925 done:
926 lbs_deb_leave(LBS_DEB_CMD);
927 }
928
929 /*
930 * TODO: Fix the issue when DownloadcommandToStation is being called the
931 * second time when the command timesout. All the cmdptr->xxx are in little
932 * endian and therefore all the comparissions will fail.
933 * For now - we are not performing the endian conversion the second time - but
934 * for PS and DEEP_SLEEP we need to worry
935 */
936 static int DownloadcommandToStation(wlan_private * priv,
937 struct cmd_ctrl_node *cmdnode)
938 {
939 unsigned long flags;
940 struct cmd_ds_command *cmdptr;
941 wlan_adapter *adapter = priv->adapter;
942 int ret = 0;
943 u16 cmdsize;
944 u16 command;
945
946 lbs_deb_enter(LBS_DEB_CMD);
947
948 if (!adapter || !cmdnode) {
949 lbs_deb_cmd("DNLD_CMD: adapter = %p, cmdnode = %p\n",
950 adapter, cmdnode);
951 if (cmdnode) {
952 spin_lock_irqsave(&adapter->driver_lock, flags);
953 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
954 spin_unlock_irqrestore(&adapter->driver_lock, flags);
955 }
956 ret = -1;
957 goto done;
958 }
959
960 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
961
962
963 spin_lock_irqsave(&adapter->driver_lock, flags);
964 if (!cmdptr || !cmdptr->size) {
965 lbs_deb_cmd("DNLD_CMD: cmdptr is Null or cmd size is Zero, "
966 "Not sending\n");
967 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
968 spin_unlock_irqrestore(&adapter->driver_lock, flags);
969 ret = -1;
970 goto done;
971 }
972
973 adapter->cur_cmd = cmdnode;
974 adapter->cur_cmd_retcode = 0;
975 spin_unlock_irqrestore(&adapter->driver_lock, flags);
976 lbs_deb_cmd("DNLD_CMD:: Before download, size of cmd = %d\n",
977 le16_to_cpu(cmdptr->size));
978
979 cmdsize = cmdptr->size;
980
981 command = cpu_to_le16(cmdptr->command);
982
983 cmdnode->cmdwaitqwoken = 0;
984 cmdsize = cpu_to_le16(cmdsize);
985
986 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
987
988 if (ret != 0) {
989 lbs_deb_cmd("DNLD_CMD: Host to Card failed\n");
990 spin_lock_irqsave(&adapter->driver_lock, flags);
991 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
992 adapter->cur_cmd = NULL;
993 spin_unlock_irqrestore(&adapter->driver_lock, flags);
994 ret = -1;
995 goto done;
996 }
997
998 lbs_deb_cmd("DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
999 lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
1000
1001 /* Setup the timer after transmit command */
1002 if (command == cmd_802_11_scan || command == cmd_802_11_authenticate
1003 || command == cmd_802_11_associate)
1004 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1005 else
1006 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1007
1008 ret = 0;
1009
1010 done:
1011 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1012 return ret;
1013 }
1014
1015 static int wlan_cmd_mac_control(wlan_private * priv,
1016 struct cmd_ds_command *cmd)
1017 {
1018 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1019
1020 lbs_deb_enter(LBS_DEB_CMD);
1021
1022 cmd->command = cpu_to_le16(cmd_mac_control);
1023 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1024 mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1025
1026 lbs_deb_cmd("wlan_cmd_mac_control(): action=0x%X size=%d\n",
1027 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1028
1029 lbs_deb_leave(LBS_DEB_CMD);
1030 return 0;
1031 }
1032
1033 /**
1034 * This function inserts command node to cmdfreeq
1035 * after cleans it. Requires adapter->driver_lock held.
1036 */
1037 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1038 {
1039 wlan_adapter *adapter = priv->adapter;
1040
1041 if (!ptempcmd)
1042 goto done;
1043
1044 cleanup_cmdnode(ptempcmd);
1045 list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1046 done:
1047 return;
1048 }
1049
1050 void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1051 {
1052 unsigned long flags;
1053
1054 spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1055 __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1056 spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1057 }
1058
1059 int libertas_set_radio_control(wlan_private * priv)
1060 {
1061 int ret = 0;
1062
1063 lbs_deb_enter(LBS_DEB_CMD);
1064
1065 ret = libertas_prepare_and_send_command(priv,
1066 cmd_802_11_radio_control,
1067 cmd_act_set,
1068 cmd_option_waitforrsp, 0, NULL);
1069
1070 lbs_deb_cmd("RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
1071 priv->adapter->radioon, priv->adapter->preamble);
1072
1073 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1074 return ret;
1075 }
1076
1077 int libertas_set_mac_packet_filter(wlan_private * priv)
1078 {
1079 int ret = 0;
1080
1081 lbs_deb_enter(LBS_DEB_CMD);
1082
1083 lbs_deb_cmd("libertas_set_mac_packet_filter value = %x\n",
1084 priv->adapter->currentpacketfilter);
1085
1086 /* Send MAC control command to station */
1087 ret = libertas_prepare_and_send_command(priv,
1088 cmd_mac_control, 0, 0, 0, NULL);
1089
1090 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1091 return ret;
1092 }
1093
1094 /**
1095 * @brief This function prepare the command before send to firmware.
1096 *
1097 * @param priv A pointer to wlan_private structure
1098 * @param cmd_no command number
1099 * @param cmd_action command action: GET or SET
1100 * @param wait_option wait option: wait response or not
1101 * @param cmd_oid cmd oid: treated as sub command
1102 * @param pdata_buf A pointer to informaion buffer
1103 * @return 0 or -1
1104 */
1105 int libertas_prepare_and_send_command(wlan_private * priv,
1106 u16 cmd_no,
1107 u16 cmd_action,
1108 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1109 {
1110 int ret = 0;
1111 wlan_adapter *adapter = priv->adapter;
1112 struct cmd_ctrl_node *cmdnode;
1113 struct cmd_ds_command *cmdptr;
1114 unsigned long flags;
1115
1116 lbs_deb_enter(LBS_DEB_CMD);
1117
1118 if (!adapter) {
1119 lbs_deb_cmd("PREP_CMD: adapter is Null\n");
1120 ret = -1;
1121 goto done;
1122 }
1123
1124 if (adapter->surpriseremoved) {
1125 lbs_deb_cmd("PREP_CMD: Card is Removed\n");
1126 ret = -1;
1127 goto done;
1128 }
1129
1130 cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1131
1132 if (cmdnode == NULL) {
1133 lbs_deb_cmd("PREP_CMD: No free cmdnode\n");
1134
1135 /* Wake up main thread to execute next command */
1136 wake_up_interruptible(&priv->mainthread.waitq);
1137 ret = -1;
1138 goto done;
1139 }
1140
1141 libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1142
1143 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1144
1145 lbs_deb_cmd("PREP_CMD: Val of cmd ptr=%p, command=0x%X\n",
1146 cmdptr, cmd_no);
1147
1148 if (!cmdptr) {
1149 lbs_deb_cmd("PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
1150 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1151 ret = -1;
1152 goto done;
1153 }
1154
1155 /* Set sequence number, command and INT option */
1156 adapter->seqnum++;
1157 cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1158
1159 cmdptr->command = cpu_to_le16(cmd_no);
1160 cmdptr->result = 0;
1161
1162 switch (cmd_no) {
1163 case cmd_get_hw_spec:
1164 ret = wlan_cmd_hw_spec(priv, cmdptr);
1165 break;
1166 case cmd_802_11_ps_mode:
1167 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1168 break;
1169
1170 case cmd_802_11_scan:
1171 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1172 break;
1173
1174 case cmd_mac_control:
1175 ret = wlan_cmd_mac_control(priv, cmdptr);
1176 break;
1177
1178 case cmd_802_11_associate:
1179 case cmd_802_11_reassociate:
1180 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1181 break;
1182
1183 case cmd_802_11_deauthenticate:
1184 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1185 break;
1186
1187 case cmd_802_11_set_wep:
1188 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1189 break;
1190
1191 case cmd_802_11_ad_hoc_start:
1192 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1193 break;
1194 case cmd_code_dnld:
1195 break;
1196
1197 case cmd_802_11_reset:
1198 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1199 break;
1200
1201 case cmd_802_11_get_log:
1202 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1203 break;
1204
1205 case cmd_802_11_authenticate:
1206 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1207 break;
1208
1209 case cmd_802_11_get_stat:
1210 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1211 break;
1212
1213 case cmd_802_11_snmp_mib:
1214 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1215 cmd_action, cmd_oid, pdata_buf);
1216 break;
1217
1218 case cmd_mac_reg_access:
1219 case cmd_bbp_reg_access:
1220 case cmd_rf_reg_access:
1221 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1222 break;
1223
1224 case cmd_802_11_rf_channel:
1225 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1226 cmd_action, pdata_buf);
1227 break;
1228
1229 case cmd_802_11_rf_tx_power:
1230 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1231 cmd_action, pdata_buf);
1232 break;
1233
1234 case cmd_802_11_radio_control:
1235 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1236 break;
1237
1238 case cmd_802_11_rf_antenna:
1239 ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
1240 cmd_action, pdata_buf);
1241 break;
1242
1243 case cmd_802_11_data_rate:
1244 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1245 break;
1246 case cmd_802_11_rate_adapt_rateset:
1247 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1248 cmdptr, cmd_action);
1249 break;
1250
1251 case cmd_mac_multicast_adr:
1252 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1253 break;
1254
1255 case cmd_802_11_ad_hoc_join:
1256 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1257 break;
1258
1259 case cmd_802_11_rssi:
1260 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1261 break;
1262
1263 case cmd_802_11_ad_hoc_stop:
1264 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1265 break;
1266
1267 case cmd_802_11_enable_rsn:
1268 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1269 pdata_buf);
1270 break;
1271
1272 case cmd_802_11_key_material:
1273 ret = wlan_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1274 cmd_oid, pdata_buf);
1275 break;
1276
1277 case cmd_802_11_pairwise_tsc:
1278 break;
1279 case cmd_802_11_group_tsc:
1280 break;
1281
1282 case cmd_802_11_mac_address:
1283 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1284 break;
1285
1286 case cmd_802_11_eeprom_access:
1287 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1288 cmd_action, pdata_buf);
1289 break;
1290
1291 case cmd_802_11_set_afc:
1292 case cmd_802_11_get_afc:
1293
1294 cmdptr->command = cpu_to_le16(cmd_no);
1295 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1296 S_DS_GEN);
1297
1298 memmove(&cmdptr->params.afc,
1299 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1300
1301 ret = 0;
1302 goto done;
1303
1304 case cmd_802_11d_domain_info:
1305 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1306 cmd_no, cmd_action);
1307 break;
1308
1309 case cmd_802_11_sleep_params:
1310 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1311 break;
1312 case cmd_802_11_inactivity_timeout:
1313 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1314 cmd_action, pdata_buf);
1315 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1316 break;
1317
1318 case cmd_802_11_tpc_cfg:
1319 cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
1320 cmdptr->size =
1321 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1322 S_DS_GEN);
1323
1324 memmove(&cmdptr->params.tpccfg,
1325 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1326
1327 ret = 0;
1328 break;
1329 case cmd_802_11_led_gpio_ctrl:
1330 {
1331 struct mrvlietypes_ledgpio *gpio =
1332 (struct mrvlietypes_ledgpio*)
1333 cmdptr->params.ledgpio.data;
1334
1335 memmove(&cmdptr->params.ledgpio,
1336 pdata_buf,
1337 sizeof(struct cmd_ds_802_11_led_ctrl));
1338
1339 cmdptr->command =
1340 cpu_to_le16(cmd_802_11_led_gpio_ctrl);
1341
1342 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1343 cmdptr->size =
1344 cpu_to_le16(gpio->header.len + S_DS_GEN +
1345 ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1346 gpio->header.len = cpu_to_le16(gpio->header.len);
1347
1348 ret = 0;
1349 break;
1350 }
1351 case cmd_802_11_pwr_cfg:
1352 cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
1353 cmdptr->size =
1354 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1355 S_DS_GEN);
1356 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1357 sizeof(struct cmd_ds_802_11_pwr_cfg));
1358
1359 ret = 0;
1360 break;
1361 case cmd_bt_access:
1362 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1363 break;
1364
1365 case cmd_fwt_access:
1366 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1367 break;
1368
1369 case cmd_mesh_access:
1370 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1371 break;
1372
1373 case cmd_get_tsf:
1374 cmdptr->command = cpu_to_le16(cmd_get_tsf);
1375 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1376 S_DS_GEN);
1377 ret = 0;
1378 break;
1379 case cmd_802_11_tx_rate_query:
1380 cmdptr->command = cpu_to_le16(cmd_802_11_tx_rate_query);
1381 cmdptr->size = cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
1382 S_DS_GEN);
1383 adapter->txrate = 0;
1384 ret = 0;
1385 break;
1386 default:
1387 lbs_deb_cmd("PREP_CMD: unknown command- %#x\n", cmd_no);
1388 ret = -1;
1389 break;
1390 }
1391
1392 /* return error, since the command preparation failed */
1393 if (ret != 0) {
1394 lbs_deb_cmd("PREP_CMD: command preparation failed\n");
1395 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1396 ret = -1;
1397 goto done;
1398 }
1399
1400 cmdnode->cmdwaitqwoken = 0;
1401
1402 libertas_queue_cmd(adapter, cmdnode, 1);
1403 adapter->nr_cmd_pending++;
1404 wake_up_interruptible(&priv->mainthread.waitq);
1405
1406 if (wait_option & cmd_option_waitforrsp) {
1407 lbs_deb_cmd("PREP_CMD: Wait for CMD response\n");
1408 might_sleep();
1409 wait_event_interruptible(cmdnode->cmdwait_q,
1410 cmdnode->cmdwaitqwoken);
1411 }
1412
1413 spin_lock_irqsave(&adapter->driver_lock, flags);
1414 if (adapter->cur_cmd_retcode) {
1415 lbs_deb_cmd("PREP_CMD: command failed with return code=%d\n",
1416 adapter->cur_cmd_retcode);
1417 adapter->cur_cmd_retcode = 0;
1418 ret = -1;
1419 }
1420 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1421
1422 done:
1423 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1424 return ret;
1425 }
1426 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
1427
1428 /**
1429 * @brief This function allocates the command buffer and link
1430 * it to command free queue.
1431 *
1432 * @param priv A pointer to wlan_private structure
1433 * @return 0 or -1
1434 */
1435 int libertas_allocate_cmd_buffer(wlan_private * priv)
1436 {
1437 int ret = 0;
1438 u32 ulbufsize;
1439 u32 i;
1440 struct cmd_ctrl_node *tempcmd_array;
1441 u8 *ptempvirtualaddr;
1442 wlan_adapter *adapter = priv->adapter;
1443
1444 lbs_deb_enter(LBS_DEB_CMD);
1445
1446 /* Allocate and initialize cmdCtrlNode */
1447 ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1448
1449 if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1450 lbs_deb_cmd(
1451 "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
1452 ret = -1;
1453 goto done;
1454 }
1455 adapter->cmd_array = tempcmd_array;
1456
1457 /* Allocate and initialize command buffers */
1458 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1459 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1460 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1461 lbs_deb_cmd(
1462 "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
1463 ret = -1;
1464 goto done;
1465 }
1466
1467 /* Update command buffer virtual */
1468 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1469 }
1470
1471 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1472 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1473 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1474 }
1475
1476 ret = 0;
1477
1478 done:
1479 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1480 return ret;
1481 }
1482
1483 /**
1484 * @brief This function frees the command buffer.
1485 *
1486 * @param priv A pointer to wlan_private structure
1487 * @return 0 or -1
1488 */
1489 int libertas_free_cmd_buffer(wlan_private * priv)
1490 {
1491 u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1492 unsigned int i;
1493 struct cmd_ctrl_node *tempcmd_array;
1494 wlan_adapter *adapter = priv->adapter;
1495
1496 lbs_deb_enter(LBS_DEB_CMD);
1497
1498 /* need to check if cmd array is allocated or not */
1499 if (adapter->cmd_array == NULL) {
1500 lbs_deb_cmd("FREE_CMD_BUF: cmd_array is Null\n");
1501 goto done;
1502 }
1503
1504 tempcmd_array = adapter->cmd_array;
1505
1506 /* Release shared memory buffers */
1507 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1508 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1509 if (tempcmd_array[i].bufvirtualaddr) {
1510 lbs_deb_cmd("Free all the array\n");
1511 kfree(tempcmd_array[i].bufvirtualaddr);
1512 tempcmd_array[i].bufvirtualaddr = NULL;
1513 }
1514 }
1515
1516 /* Release cmd_ctrl_node */
1517 if (adapter->cmd_array) {
1518 lbs_deb_cmd("Free cmd_array\n");
1519 kfree(adapter->cmd_array);
1520 adapter->cmd_array = NULL;
1521 }
1522
1523 done:
1524 lbs_deb_leave(LBS_DEB_CMD);
1525 return 0;
1526 }
1527
1528 /**
1529 * @brief This function gets a free command node if available in
1530 * command free queue.
1531 *
1532 * @param priv A pointer to wlan_private structure
1533 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1534 */
1535 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1536 {
1537 struct cmd_ctrl_node *tempnode;
1538 wlan_adapter *adapter = priv->adapter;
1539 unsigned long flags;
1540
1541 if (!adapter)
1542 return NULL;
1543
1544 spin_lock_irqsave(&adapter->driver_lock, flags);
1545
1546 if (!list_empty(&adapter->cmdfreeq)) {
1547 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1548 list_del((struct list_head *)tempnode);
1549 } else {
1550 lbs_deb_cmd("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1551 tempnode = NULL;
1552 }
1553
1554 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1555
1556 if (tempnode) {
1557 /*
1558 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
1559 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
1560 tempnode);
1561 */
1562 cleanup_cmdnode(tempnode);
1563 }
1564
1565 return tempnode;
1566 }
1567
1568 /**
1569 * @brief This function cleans command node.
1570 *
1571 * @param ptempnode A pointer to cmdCtrlNode structure
1572 * @return n/a
1573 */
1574 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1575 {
1576 if (!ptempnode)
1577 return;
1578 ptempnode->cmdwaitqwoken = 1;
1579 wake_up_interruptible(&ptempnode->cmdwait_q);
1580 ptempnode->status = 0;
1581 ptempnode->cmd_oid = (u32) 0;
1582 ptempnode->wait_option = 0;
1583 ptempnode->pdata_buf = NULL;
1584
1585 if (ptempnode->bufvirtualaddr != NULL)
1586 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1587 return;
1588 }
1589
1590 /**
1591 * @brief This function initializes the command node.
1592 *
1593 * @param priv A pointer to wlan_private structure
1594 * @param ptempnode A pointer to cmd_ctrl_node structure
1595 * @param cmd_oid cmd oid: treated as sub command
1596 * @param wait_option wait option: wait response or not
1597 * @param pdata_buf A pointer to informaion buffer
1598 * @return 0 or -1
1599 */
1600 void libertas_set_cmd_ctrl_node(wlan_private * priv,
1601 struct cmd_ctrl_node *ptempnode,
1602 u32 cmd_oid, u16 wait_option, void *pdata_buf)
1603 {
1604 lbs_deb_enter(LBS_DEB_CMD);
1605
1606 if (!ptempnode)
1607 return;
1608
1609 ptempnode->cmd_oid = cmd_oid;
1610 ptempnode->wait_option = wait_option;
1611 ptempnode->pdata_buf = pdata_buf;
1612
1613 lbs_deb_leave(LBS_DEB_CMD);
1614 }
1615
1616 /**
1617 * @brief This function executes next command in command
1618 * pending queue. It will put fimware back to PS mode
1619 * if applicable.
1620 *
1621 * @param priv A pointer to wlan_private structure
1622 * @return 0 or -1
1623 */
1624 int libertas_execute_next_command(wlan_private * priv)
1625 {
1626 wlan_adapter *adapter = priv->adapter;
1627 struct cmd_ctrl_node *cmdnode = NULL;
1628 struct cmd_ds_command *cmdptr;
1629 unsigned long flags;
1630 int ret = 0;
1631
1632 lbs_deb_enter(LBS_DEB_CMD);
1633
1634 spin_lock_irqsave(&adapter->driver_lock, flags);
1635
1636 if (adapter->cur_cmd) {
1637 lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
1638 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1639 ret = -1;
1640 goto done;
1641 }
1642
1643 if (!list_empty(&adapter->cmdpendingq)) {
1644 cmdnode = (struct cmd_ctrl_node *)
1645 adapter->cmdpendingq.next;
1646 }
1647
1648 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1649
1650 if (cmdnode) {
1651 lbs_deb_cmd(
1652 "EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
1653 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1654
1655 if (is_command_allowed_in_ps(cmdptr->command)) {
1656 if ((adapter->psstate == PS_STATE_SLEEP) ||
1657 (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1658 lbs_deb_cmd(
1659 "EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
1660 le16_to_cpu(cmdptr->command),
1661 adapter->psstate);
1662 ret = -1;
1663 goto done;
1664 }
1665 lbs_deb_cmd("EXEC_NEXT_CMD: OK to send command "
1666 "0x%x in psstate %d\n",
1667 le16_to_cpu(cmdptr->command),
1668 adapter->psstate);
1669 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1670 /*
1671 * 1. Non-PS command:
1672 * Queue it. set needtowakeup to TRUE if current state
1673 * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1674 * 2. PS command but not Exit_PS:
1675 * Ignore it.
1676 * 3. PS command Exit_PS:
1677 * Set needtowakeup to TRUE if current state is SLEEP,
1678 * otherwise send this command down to firmware
1679 * immediately.
1680 */
1681 if (cmdptr->command !=
1682 cpu_to_le16(cmd_802_11_ps_mode)) {
1683 /* Prepare to send Exit PS,
1684 * this non PS command will be sent later */
1685 if ((adapter->psstate == PS_STATE_SLEEP)
1686 || (adapter->psstate == PS_STATE_PRE_SLEEP)
1687 ) {
1688 /* w/ new scheme, it will not reach here.
1689 since it is blocked in main_thread. */
1690 adapter->needtowakeup = 1;
1691 } else
1692 libertas_ps_wakeup(priv, 0);
1693
1694 ret = 0;
1695 goto done;
1696 } else {
1697 /*
1698 * PS command. Ignore it if it is not Exit_PS.
1699 * otherwise send it down immediately.
1700 */
1701 struct cmd_ds_802_11_ps_mode *psm =
1702 &cmdptr->params.psmode;
1703
1704 lbs_deb_cmd(
1705 "EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
1706 psm->action);
1707 if (psm->action !=
1708 cpu_to_le16(cmd_subcmd_exit_ps)) {
1709 lbs_deb_cmd(
1710 "EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
1711 list_del((struct list_head *)cmdnode);
1712 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1713
1714 ret = 0;
1715 goto done;
1716 }
1717
1718 if ((adapter->psstate == PS_STATE_SLEEP) ||
1719 (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1720 lbs_deb_cmd(
1721 "EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
1722 list_del((struct list_head *)cmdnode);
1723 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1724 adapter->needtowakeup = 1;
1725
1726 ret = 0;
1727 goto done;
1728 }
1729
1730 lbs_deb_cmd(
1731 "EXEC_NEXT_CMD: Sending Exit_PS down...\n");
1732 }
1733 }
1734 list_del((struct list_head *)cmdnode);
1735 lbs_deb_cmd("EXEC_NEXT_CMD: Sending 0x%04X command\n",
1736 le16_to_cpu(cmdptr->command));
1737 DownloadcommandToStation(priv, cmdnode);
1738 } else {
1739 /*
1740 * check if in power save mode, if yes, put the device back
1741 * to PS mode
1742 */
1743 if ((adapter->psmode != wlan802_11powermodecam) &&
1744 (adapter->psstate == PS_STATE_FULL_POWER) &&
1745 (adapter->connect_status == libertas_connected)) {
1746 if (adapter->secinfo.WPAenabled ||
1747 adapter->secinfo.WPA2enabled) {
1748 /* check for valid WPA group keys */
1749 if (adapter->wpa_mcast_key.len ||
1750 adapter->wpa_unicast_key.len) {
1751 lbs_deb_cmd(
1752 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1753 " go back to PS_SLEEP");
1754 libertas_ps_sleep(priv, 0);
1755 }
1756 } else {
1757 lbs_deb_cmd(
1758 "EXEC_NEXT_CMD: command PendQ is empty,"
1759 " go back to PS_SLEEP");
1760 libertas_ps_sleep(priv, 0);
1761 }
1762 }
1763 }
1764
1765 ret = 0;
1766 done:
1767 lbs_deb_leave(LBS_DEB_CMD);
1768 return ret;
1769 }
1770
1771 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1772 {
1773 union iwreq_data iwrq;
1774 u8 buf[50];
1775
1776 lbs_deb_enter(LBS_DEB_CMD);
1777
1778 memset(&iwrq, 0, sizeof(union iwreq_data));
1779 memset(buf, 0, sizeof(buf));
1780
1781 snprintf(buf, sizeof(buf) - 1, "%s", str);
1782
1783 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1784
1785 /* Send Event to upper layer */
1786 lbs_deb_cmd("Event Indication string = %s\n", (char *)buf);
1787 lbs_deb_cmd("Event Indication String length = %d\n", iwrq.data.length);
1788
1789 lbs_deb_cmd("Sending wireless event IWEVCUSTOM for %s\n", str);
1790 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1791
1792 lbs_deb_leave(LBS_DEB_CMD);
1793 }
1794
1795 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1796 {
1797 unsigned long flags;
1798 wlan_adapter *adapter = priv->adapter;
1799 int ret = 0;
1800
1801 lbs_deb_enter(LBS_DEB_CMD);
1802
1803 lbs_deb_cmd("SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
1804 size);
1805
1806 lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
1807
1808 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1809 priv->dnld_sent = DNLD_RES_RECEIVED;
1810
1811 spin_lock_irqsave(&adapter->driver_lock, flags);
1812 if (adapter->intcounter || adapter->currenttxskb)
1813 lbs_deb_cmd("SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
1814 adapter->intcounter, adapter->currenttxskb);
1815 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1816
1817 if (ret) {
1818 lbs_pr_alert(
1819 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1820 } else {
1821 spin_lock_irqsave(&adapter->driver_lock, flags);
1822 if (!adapter->intcounter) {
1823 adapter->psstate = PS_STATE_SLEEP;
1824 } else {
1825 lbs_deb_cmd("SEND_SLEEPC_CMD: After sent,IntC=%d\n",
1826 adapter->intcounter);
1827 }
1828 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1829
1830 lbs_deb_cmd("SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
1831 lbs_deb_cmd("+");
1832 }
1833
1834 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1835 return ret;
1836 }
1837
1838 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1839 {
1840 lbs_deb_enter(LBS_DEB_CMD);
1841
1842 /*
1843 * PS is currently supported only in Infrastructure mode
1844 * Remove this check if it is to be supported in IBSS mode also
1845 */
1846
1847 libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1848 cmd_subcmd_enter_ps, wait_option, 0, NULL);
1849
1850 lbs_deb_leave(LBS_DEB_CMD);
1851 }
1852
1853 /**
1854 * @brief This function sends Eixt_PS command to firmware.
1855 *
1856 * @param priv A pointer to wlan_private structure
1857 * @param wait_option wait response or not
1858 * @return n/a
1859 */
1860 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1861 {
1862 __le32 Localpsmode;
1863
1864 lbs_deb_enter(LBS_DEB_CMD);
1865
1866 Localpsmode = cpu_to_le32(wlan802_11powermodecam);
1867
1868 lbs_deb_cmd("Exit_PS: Localpsmode = %d\n", wlan802_11powermodecam);
1869
1870 libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1871 cmd_subcmd_exit_ps,
1872 wait_option, 0, &Localpsmode);
1873
1874 lbs_deb_leave(LBS_DEB_CMD);
1875 }
1876
1877 /**
1878 * @brief This function checks condition and prepares to
1879 * send sleep confirm command to firmware if ok.
1880 *
1881 * @param priv A pointer to wlan_private structure
1882 * @param psmode Power Saving mode
1883 * @return n/a
1884 */
1885 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1886 {
1887 unsigned long flags =0;
1888 wlan_adapter *adapter = priv->adapter;
1889 u8 allowed = 1;
1890
1891 lbs_deb_enter(LBS_DEB_CMD);
1892
1893 if (priv->dnld_sent) {
1894 allowed = 0;
1895 lbs_deb_cmd("D");
1896 }
1897
1898 spin_lock_irqsave(&adapter->driver_lock, flags);
1899 if (adapter->cur_cmd) {
1900 allowed = 0;
1901 lbs_deb_cmd("C");
1902 }
1903 if (adapter->intcounter > 0) {
1904 allowed = 0;
1905 lbs_deb_cmd("I%d", adapter->intcounter);
1906 }
1907 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1908
1909 if (allowed) {
1910 lbs_deb_cmd("Sending libertas_ps_confirm_sleep\n");
1911 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1912 sizeof(struct PS_CMD_ConfirmSleep));
1913 } else {
1914 lbs_deb_cmd("Sleep Confirm has been delayed\n");
1915 }
1916
1917 lbs_deb_leave(LBS_DEB_CMD);
1918 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree