aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/libertas/cmd.c
diff options
context:
space:
mode:
authorMarcelo Tosatti <marcelo@kvack.org>2007-02-10 09:25:27 -0500
committerJeff Garzik <jeff@garzik.org>2007-04-28 11:00:54 -0400
commit876c9d3aeb989cf1961f2c228d309ba5dcfb1172 (patch)
tree239e9db92d13abc799c1ffc5304d8ec1503dbc61 /drivers/net/wireless/libertas/cmd.c
parent35c3404efa7407811b706453f83d39b2539dcbd0 (diff)
[PATCH] Marvell Libertas 8388 802.11b/g USB driver
Add the Marvell Libertas 8388 802.11 USB driver. Signed-off-by: Marcelo Tosatti <marcelo@kvack.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/cmd.c')
-rw-r--r--drivers/net/wireless/libertas/cmd.c1958
1 files changed, 1958 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
new file mode 100644
index 000000000000..bfdac58b5c06
--- /dev/null
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -0,0 +1,1958 @@
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 "sbi.h"
10#include "decl.h"
11#include "defs.h"
12#include "dev.h"
13#include "join.h"
14#include "wext.h"
15
16static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
17
18static u16 commands_allowed_in_ps[] = {
19 cmd_802_11_rssi,
20};
21
22/**
23 * @brief This function checks if the commans is allowed
24 * in PS mode not.
25 *
26 * @param command the command ID
27 * @return TRUE or FALSE
28 */
29static u8 is_command_allowed_in_ps(u16 command)
30{
31 int count = sizeof(commands_allowed_in_ps)
32 / sizeof(commands_allowed_in_ps[0]);
33 int i;
34
35 for (i = 0; i < count; i++) {
36 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
37 return 1;
38 }
39
40 return 0;
41}
42
43static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
44{
45 struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
46
47 ENTER();
48
49 cmd->command = cpu_to_le16(cmd_get_hw_spec);
50 cmd->size =
51 cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
52 memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
53
54 LEAVE();
55 return 0;
56}
57
58static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
59 struct cmd_ds_command *cmd,
60 u16 cmd_action)
61{
62 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
63 u16 action = cmd_action;
64 wlan_adapter *adapter = priv->adapter;
65
66 ENTER();
67
68 cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
69 cmd->size =
70 cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
71 S_DS_GEN);
72 psm->action = cpu_to_le16(cmd_action);
73 psm->multipledtim = 0;
74 switch (action) {
75 case cmd_subcmd_enter_ps:
76 lbs_pr_debug(1, "PS command:" "SubCode- Enter PS\n");
77 lbs_pr_debug(1, "locallisteninterval = %d\n",
78 adapter->locallisteninterval);
79
80 psm->locallisteninterval =
81 cpu_to_le16(adapter->locallisteninterval);
82 psm->nullpktinterval =
83 cpu_to_le16(adapter->nullpktinterval);
84 psm->multipledtim =
85 cpu_to_le16(priv->adapter->multipledtim);
86 break;
87
88 case cmd_subcmd_exit_ps:
89 lbs_pr_debug(1, "PS command:" "SubCode- Exit PS\n");
90 break;
91
92 case cmd_subcmd_sleep_confirmed:
93 lbs_pr_debug(1, "PS command: SubCode- sleep confirm\n");
94 break;
95
96 default:
97 break;
98 }
99
100 LEAVE();
101 return 0;
102}
103
104static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
105 struct cmd_ds_command *cmd,
106 u16 cmd_action, void *pdata_buf)
107{
108 u16 *timeout = pdata_buf;
109
110 cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
111 cmd->size =
112 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
113 + S_DS_GEN);
114
115 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
116
117 if (cmd_action)
118 cmd->params.inactivity_timeout.timeout =
119 cpu_to_le16(*timeout);
120 else
121 cmd->params.inactivity_timeout.timeout = 0;
122
123 return 0;
124}
125
126static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
127 struct cmd_ds_command *cmd,
128 u16 cmd_action)
129{
130 wlan_adapter *adapter = priv->adapter;
131 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
132
133 ENTER();
134
135 cmd->size =
136 cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
137 S_DS_GEN);
138 cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
139
140 if (cmd_action == cmd_act_get) {
141 memset(&adapter->sp, 0, sizeof(struct sleep_params));
142 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
143 sp->action = cpu_to_le16(cmd_action);
144 } else if (cmd_action == cmd_act_set) {
145 sp->action = cpu_to_le16(cmd_action);
146 sp->error = cpu_to_le16(adapter->sp.sp_error);
147 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
148 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
149 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
150 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
151 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
152 }
153
154 LEAVE();
155 return 0;
156}
157
158static int wlan_cmd_802_11_set_wep(wlan_private * priv,
159 struct cmd_ds_command *cmd,
160 u32 cmd_act,
161 void * pdata_buf)
162{
163 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
164 wlan_adapter *adapter = priv->adapter;
165 int ret = 0;
166 struct assoc_request * assoc_req = pdata_buf;
167
168 ENTER();
169
170 cmd->command = cpu_to_le16(cmd_802_11_set_wep);
171 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
172 + S_DS_GEN);
173
174 if (cmd_act == cmd_act_add) {
175 int i;
176
177 if (!assoc_req) {
178 lbs_pr_debug(1, "Invalid association request!");
179 ret = -1;
180 goto done;
181 }
182
183 wep->action = cpu_to_le16(cmd_act_add);
184
185 /* default tx key index */
186 wep->keyindex = cpu_to_le16((u16)
187 (assoc_req->wep_tx_keyidx &
188 (u32)cmd_WEP_KEY_INDEX_MASK));
189
190 lbs_pr_debug(1, "Tx key Index: %u\n", wep->keyindex);
191
192 /* Copy key types and material to host command structure */
193 for (i = 0; i < 4; i++) {
194 struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
195
196 switch (pkey->len) {
197 case KEY_LEN_WEP_40:
198 wep->keytype[i] = cmd_type_wep_40_bit;
199 memmove(&wep->keymaterial[i], pkey->key,
200 pkey->len);
201 break;
202 case KEY_LEN_WEP_104:
203 wep->keytype[i] = cmd_type_wep_104_bit;
204 memmove(&wep->keymaterial[i], pkey->key,
205 pkey->len);
206 break;
207 case 0:
208 break;
209 default:
210 lbs_pr_debug(1, "Invalid WEP key %d length of %d\n",
211 i, pkey->len);
212 ret = -1;
213 goto done;
214 break;
215 }
216 }
217 } else if (cmd_act == cmd_act_remove) {
218 /* ACT_REMOVE clears _all_ WEP keys */
219 wep->action = cpu_to_le16(cmd_act_remove);
220
221 /* default tx key index */
222 wep->keyindex = cpu_to_le16((u16)
223 (adapter->wep_tx_keyidx &
224 (u32)cmd_WEP_KEY_INDEX_MASK));
225 }
226
227 ret = 0;
228
229done:
230 LEAVE();
231 return ret;
232}
233
234static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
235 struct cmd_ds_command *cmd,
236 u16 cmd_action)
237{
238 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
239 wlan_adapter *adapter = priv->adapter;
240
241 cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
242 cmd->size =
243 cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
244 S_DS_GEN);
245 penableRSN->action = cpu_to_le16(cmd_action);
246 if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
247 penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
248 } else {
249 penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
250 }
251
252 return 0;
253}
254
255
256static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
257 struct WLAN_802_11_KEY * pkey)
258{
259 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
260
261 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
262 pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
263 } else {
264 pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
265 }
266
267 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
268 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
269 } else if (pkey->flags & KEY_INFO_WPA_MCAST) {
270 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
271 }
272
273 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
274 pkeyparamset->keylen = cpu_to_le16(pkey->len);
275 memcpy(pkeyparamset->key, pkey->key, pkey->len);
276 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
277 + sizeof(pkeyparamset->keyinfo)
278 + sizeof(pkeyparamset->keylen)
279 + sizeof(pkeyparamset->key));
280}
281
282static int wlan_cmd_802_11_key_material(wlan_private * priv,
283 struct cmd_ds_command *cmd,
284 u16 cmd_action,
285 u32 cmd_oid, void *pdata_buf)
286{
287 wlan_adapter *adapter = priv->adapter;
288 struct cmd_ds_802_11_key_material *pkeymaterial =
289 &cmd->params.keymaterial;
290 int ret = 0;
291 int index = 0;
292
293 ENTER();
294
295 cmd->command = cpu_to_le16(cmd_802_11_key_material);
296 pkeymaterial->action = cpu_to_le16(cmd_action);
297
298 if (cmd_action == cmd_act_get) {
299 cmd->size = cpu_to_le16( S_DS_GEN
300 + sizeof (pkeymaterial->action));
301 ret = 0;
302 goto done;
303 }
304
305 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
306
307 if (adapter->wpa_unicast_key.len) {
308 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
309 &adapter->wpa_unicast_key);
310 index++;
311 }
312
313 if (adapter->wpa_mcast_key.len) {
314 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
315 &adapter->wpa_mcast_key);
316 index++;
317 }
318
319 cmd->size = cpu_to_le16( S_DS_GEN
320 + sizeof (pkeymaterial->action)
321 + index * sizeof(struct MrvlIEtype_keyParamSet));
322
323 ret = 0;
324
325done:
326 LEAVE();
327 return ret;
328}
329
330static int wlan_cmd_802_11_reset(wlan_private * priv,
331 struct cmd_ds_command *cmd, int cmd_action)
332{
333 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
334
335 cmd->command = cpu_to_le16(cmd_802_11_reset);
336 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
337 reset->action = cpu_to_le16(cmd_action);
338
339 return 0;
340}
341
342static int wlan_cmd_802_11_get_log(wlan_private * priv,
343 struct cmd_ds_command *cmd)
344{
345 cmd->command = cpu_to_le16(cmd_802_11_get_log);
346 cmd->size =
347 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
348
349 return 0;
350}
351
352static int wlan_cmd_802_11_get_stat(wlan_private * priv,
353 struct cmd_ds_command *cmd)
354{
355 cmd->command = cpu_to_le16(cmd_802_11_get_stat);
356 cmd->size =
357 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
358 S_DS_GEN);
359
360 return 0;
361}
362
363static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
364 struct cmd_ds_command *cmd,
365 int cmd_action,
366 int cmd_oid, void *pdata_buf)
367{
368 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
369 wlan_adapter *adapter = priv->adapter;
370 u8 ucTemp;
371
372 ENTER();
373
374 lbs_pr_debug(1, "SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
375
376 cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
377 cmd->size =
378 cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
379 S_DS_GEN);
380
381 switch (cmd_oid) {
382 case OID_802_11_INFRASTRUCTURE_MODE:
383 {
384 enum WLAN_802_11_NETWORK_INFRASTRUCTURE mode =
385 (enum WLAN_802_11_NETWORK_INFRASTRUCTURE) pdata_buf;
386 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
387 pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
388 pSNMPMIB->bufsize = sizeof(u8);
389 if (mode == wlan802_11infrastructure)
390 ucTemp = SNMP_MIB_VALUE_INFRA;
391 else
392 ucTemp = SNMP_MIB_VALUE_ADHOC;
393
394 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
395
396 break;
397 }
398
399 case OID_802_11D_ENABLE:
400 {
401 u32 ulTemp;
402
403 pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
404
405 if (cmd_action == cmd_act_set) {
406 pSNMPMIB->querytype = cmd_act_set;
407 pSNMPMIB->bufsize = sizeof(u16);
408 ulTemp = *(u32 *)pdata_buf;
409 *((unsigned short *)(pSNMPMIB->value)) =
410 cpu_to_le16((u16) ulTemp);
411 }
412 break;
413 }
414
415 case OID_802_11_FRAGMENTATION_THRESHOLD:
416 {
417 u32 ulTemp;
418
419 pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
420
421 if (cmd_action == cmd_act_get) {
422 pSNMPMIB->querytype =
423 cpu_to_le16(cmd_act_get);
424 } else if (cmd_action == cmd_act_set) {
425 pSNMPMIB->querytype =
426 cpu_to_le16(cmd_act_set);
427 pSNMPMIB->bufsize =
428 cpu_to_le16(sizeof(u16));
429 ulTemp = *((u32 *) pdata_buf);
430 *((unsigned short *)(pSNMPMIB->value)) =
431 cpu_to_le16((u16) ulTemp);
432
433 }
434
435 break;
436 }
437
438 case OID_802_11_RTS_THRESHOLD:
439 {
440
441 u32 ulTemp;
442 pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
443
444 if (cmd_action == cmd_act_get) {
445 pSNMPMIB->querytype =
446 cpu_to_le16(cmd_act_get);
447 } else if (cmd_action == cmd_act_set) {
448 pSNMPMIB->querytype =
449 cpu_to_le16(cmd_act_set);
450 pSNMPMIB->bufsize =
451 cpu_to_le16(sizeof(u16));
452 ulTemp = *((u32 *)
453 pdata_buf);
454 *(unsigned short *)(pSNMPMIB->value) =
455 cpu_to_le16((u16) ulTemp);
456
457 }
458 break;
459 }
460 case OID_802_11_TX_RETRYCOUNT:
461 pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
462
463 if (cmd_action == cmd_act_get) {
464 pSNMPMIB->querytype =
465 cpu_to_le16(cmd_act_get);
466 } else if (cmd_action == cmd_act_set) {
467 pSNMPMIB->querytype =
468 cpu_to_le16(cmd_act_set);
469 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
470 *((unsigned short *)(pSNMPMIB->value)) =
471 cpu_to_le16((u16) adapter->txretrycount);
472 }
473
474 break;
475 default:
476 break;
477 }
478
479 lbs_pr_debug(1,
480 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
481 cmd->command, cmd->size, cmd->seqnum, cmd->result);
482
483 lbs_pr_debug(1,
484 "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
485 pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
486 *(u16 *) pSNMPMIB->value);
487
488 LEAVE();
489 return 0;
490}
491
492static int wlan_cmd_802_11_radio_control(wlan_private * priv,
493 struct cmd_ds_command *cmd,
494 int cmd_action)
495{
496 wlan_adapter *adapter = priv->adapter;
497 struct cmd_ds_802_11_radio_control *pradiocontrol =
498 &cmd->params.radio;
499
500 ENTER();
501
502 cmd->size =
503 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
504 S_DS_GEN);
505 cmd->command = cpu_to_le16(cmd_802_11_radio_control);
506
507 pradiocontrol->action = cpu_to_le16(cmd_action);
508
509 switch (adapter->preamble) {
510 case cmd_type_short_preamble:
511 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
512 break;
513
514 case cmd_type_long_preamble:
515 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
516 break;
517
518 case cmd_type_auto_preamble:
519 default:
520 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
521 break;
522 }
523
524 if (adapter->radioon)
525 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
526 else
527 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
528
529 LEAVE();
530 return 0;
531}
532
533static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
534 struct cmd_ds_command *cmd,
535 u16 cmd_action, void *pdata_buf)
536{
537
538 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
539
540 ENTER();
541
542 cmd->size =
543 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
544 S_DS_GEN);
545 cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
546 prtp->action = cmd_action;
547
548 lbs_pr_debug(1, "RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
549 cmd->command, prtp->action);
550
551 switch (cmd_action) {
552 case cmd_act_tx_power_opt_get:
553 prtp->action = cpu_to_le16(cmd_act_get);
554 prtp->currentlevel = 0;
555 break;
556
557 case cmd_act_tx_power_opt_set_high:
558 prtp->action = cpu_to_le16(cmd_act_set);
559 prtp->currentlevel =
560 cpu_to_le16(cmd_act_tx_power_index_high);
561 break;
562
563 case cmd_act_tx_power_opt_set_mid:
564 prtp->action = cpu_to_le16(cmd_act_set);
565 prtp->currentlevel =
566 cpu_to_le16(cmd_act_tx_power_index_mid);
567 break;
568
569 case cmd_act_tx_power_opt_set_low:
570 prtp->action = cpu_to_le16(cmd_act_set);
571 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
572 break;
573 }
574 LEAVE();
575 return 0;
576}
577
578static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
579 struct cmd_ds_command *cmd,
580 u16 cmd_action, void *pdata_buf)
581{
582 struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
583
584 cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
585 cmd->size =
586 cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
587 S_DS_GEN);
588
589 rant->action = cpu_to_le16(cmd_action);
590 if ((cmd_action == cmd_act_set_rx) ||
591 (cmd_action == cmd_act_set_tx)) {
592 rant->antennamode =
593 cpu_to_le16((u16) (*(u32 *) pdata_buf));
594 }
595
596 return 0;
597}
598
599static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
600 struct cmd_ds_command *cmd,
601 u16 cmd_action)
602{
603 struct cmd_ds_802_11_rate_adapt_rateset
604 *rateadapt = &cmd->params.rateset;
605 wlan_adapter *adapter = priv->adapter;
606
607 cmd->size =
608 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
609 + S_DS_GEN);
610 cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
611
612 ENTER();
613
614 rateadapt->action = cmd_action;
615 rateadapt->enablehwauto = adapter->enablehwauto;
616 rateadapt->bitmap = adapter->ratebitmap;
617
618 LEAVE();
619 return 0;
620}
621
622static int wlan_cmd_802_11_data_rate(wlan_private * priv,
623 struct cmd_ds_command *cmd,
624 u16 cmd_action)
625{
626 struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
627 wlan_adapter *adapter = priv->adapter;
628 u16 action = cmd_action;
629
630 ENTER();
631
632 cmd->size =
633 cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
634 S_DS_GEN);
635
636 cmd->command = cpu_to_le16(cmd_802_11_data_rate);
637
638 memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
639
640 pdatarate->action = cpu_to_le16(cmd_action);
641
642 if (action == cmd_act_set_tx_fix_rate) {
643 pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
644 lbs_pr_debug(1, "Setting FW for fixed rate 0x%02X\n",
645 adapter->datarate);
646 } else if (action == cmd_act_set_tx_auto) {
647 lbs_pr_debug(1, "Setting FW for AUTO rate\n");
648 }
649
650 LEAVE();
651 return 0;
652}
653
654static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
655 struct cmd_ds_command *cmd,
656 u16 cmd_action)
657{
658 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
659 wlan_adapter *adapter = priv->adapter;
660
661 cmd->size =
662 cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
663 S_DS_GEN);
664 cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
665
666 pMCastAdr->action = cpu_to_le16(cmd_action);
667 pMCastAdr->nr_of_adrs =
668 cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
669 memcpy(pMCastAdr->maclist, adapter->multicastlist,
670 adapter->nr_of_multicastmacaddr * ETH_ALEN);
671
672 return 0;
673}
674
675static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
676 struct cmd_ds_command *cmd,
677 int option, void *pdata_buf)
678{
679 struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
680
681 cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
682 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
683 + S_DS_GEN);
684
685 if (option == cmd_opt_802_11_rf_channel_set) {
686 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
687 }
688
689 rfchan->action = cpu_to_le16(option);
690
691 return 0;
692}
693
694static int wlan_cmd_802_11_rssi(wlan_private * priv,
695 struct cmd_ds_command *cmd)
696{
697 wlan_adapter *adapter = priv->adapter;
698
699 cmd->command = cpu_to_le16(cmd_802_11_rssi);
700 cmd->size =
701 cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
702 cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
703
704 /* reset Beacon SNR/NF/RSSI values */
705 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
706 adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
707 adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
708 adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
709 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
710 adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
711
712 return 0;
713}
714
715static int wlan_cmd_reg_access(wlan_private * priv,
716 struct cmd_ds_command *cmdptr,
717 u8 cmd_action, void *pdata_buf)
718{
719 struct wlan_offset_value *offval;
720
721 ENTER();
722
723 offval = (struct wlan_offset_value *)pdata_buf;
724
725 switch (cmdptr->command) {
726 case cmd_mac_reg_access:
727 {
728 struct cmd_ds_mac_reg_access *macreg;
729
730 cmdptr->size =
731 cpu_to_le16(sizeof
732 (struct cmd_ds_mac_reg_access)
733 + S_DS_GEN);
734 macreg =
735 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
736 macreg;
737
738 macreg->action = cpu_to_le16(cmd_action);
739 macreg->offset = cpu_to_le16((u16) offval->offset);
740 macreg->value = cpu_to_le32(offval->value);
741
742 break;
743 }
744
745 case cmd_bbp_reg_access:
746 {
747 struct cmd_ds_bbp_reg_access *bbpreg;
748
749 cmdptr->size =
750 cpu_to_le16(sizeof
751 (struct cmd_ds_bbp_reg_access)
752 + S_DS_GEN);
753 bbpreg =
754 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
755 bbpreg;
756
757 bbpreg->action = cpu_to_le16(cmd_action);
758 bbpreg->offset = cpu_to_le16((u16) offval->offset);
759 bbpreg->value = (u8) offval->value;
760
761 break;
762 }
763
764 case cmd_rf_reg_access:
765 {
766 struct cmd_ds_rf_reg_access *rfreg;
767
768 cmdptr->size =
769 cpu_to_le16(sizeof
770 (struct cmd_ds_rf_reg_access) +
771 S_DS_GEN);
772 rfreg =
773 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
774 rfreg;
775
776 rfreg->action = cpu_to_le16(cmd_action);
777 rfreg->offset = cpu_to_le16((u16) offval->offset);
778 rfreg->value = (u8) offval->value;
779
780 break;
781 }
782
783 default:
784 break;
785 }
786
787 LEAVE();
788 return 0;
789}
790
791static int wlan_cmd_802_11_mac_address(wlan_private * priv,
792 struct cmd_ds_command *cmd,
793 u16 cmd_action)
794{
795 wlan_adapter *adapter = priv->adapter;
796
797 cmd->command = cpu_to_le16(cmd_802_11_mac_address);
798 cmd->size =
799 cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
800 S_DS_GEN);
801 cmd->result = 0;
802
803 cmd->params.macadd.action = cpu_to_le16(cmd_action);
804
805 if (cmd_action == cmd_act_set) {
806 memcpy(cmd->params.macadd.macadd,
807 adapter->current_addr, ETH_ALEN);
808 lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
809 }
810
811 return 0;
812}
813
814static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
815 struct cmd_ds_command *cmd,
816 int cmd_action, void *pdata_buf)
817{
818 struct wlan_ioctl_regrdwr *ea = pdata_buf;
819
820 ENTER();
821
822 cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
823 cmd->size =
824 cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
825 S_DS_GEN);
826 cmd->result = 0;
827
828 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
829 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
830 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
831 cmd->params.rdeeprom.value = 0;
832
833 return 0;
834}
835
836static int wlan_cmd_bt_access(wlan_private * priv,
837 struct cmd_ds_command *cmd,
838 u16 cmd_action, void *pdata_buf)
839{
840 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
841 lbs_pr_debug(1, "BT CMD(%d)\n", cmd_action);
842
843 cmd->command = cpu_to_le16(cmd_bt_access);
844 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
845 + S_DS_GEN);
846 cmd->result = 0;
847 bt_access->action = cpu_to_le16(cmd_action);
848
849 switch (cmd_action) {
850 case cmd_act_bt_access_add:
851 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
852 lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
853 break;
854 case cmd_act_bt_access_del:
855 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
856 lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
857 break;
858 case cmd_act_bt_access_list:
859 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
860 break;
861 case cmd_act_bt_access_reset:
862 break;
863 default:
864 break;
865 }
866 return 0;
867}
868
869static int wlan_cmd_fwt_access(wlan_private * priv,
870 struct cmd_ds_command *cmd,
871 u16 cmd_action, void *pdata_buf)
872{
873 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
874 lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
875
876 cmd->command = cpu_to_le16(cmd_fwt_access);
877 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
878 + S_DS_GEN);
879 cmd->result = 0;
880
881 if (pdata_buf)
882 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
883 else
884 memset(fwt_access, 0, sizeof(*fwt_access));
885
886 fwt_access->action = cpu_to_le16(cmd_action);
887
888 return 0;
889}
890
891static int wlan_cmd_mesh_access(wlan_private * priv,
892 struct cmd_ds_command *cmd,
893 u16 cmd_action, void *pdata_buf)
894{
895 struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
896 lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
897
898 cmd->command = cpu_to_le16(cmd_mesh_access);
899 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
900 + S_DS_GEN);
901 cmd->result = 0;
902
903 if (pdata_buf)
904 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
905 else
906 memset(mesh_access, 0, sizeof(*mesh_access));
907
908 mesh_access->action = cpu_to_le16(cmd_action);
909
910 return 0;
911}
912
913void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
914{
915 unsigned long flags;
916 struct cmd_ds_command *cmdptr;
917
918 ENTER();
919
920 if (!cmdnode) {
921 lbs_pr_debug(1, "QUEUE_CMD: cmdnode is NULL\n");
922 goto done;
923 }
924
925 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
926 if (!cmdptr) {
927 lbs_pr_debug(1, "QUEUE_CMD: cmdptr is NULL\n");
928 goto done;
929 }
930
931 /* Exit_PS command needs to be queued in the header always. */
932 if (cmdptr->command == cmd_802_11_ps_mode) {
933 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
934 if (psm->action == cmd_subcmd_exit_ps) {
935 if (adapter->psstate != PS_STATE_FULL_POWER)
936 addtail = 0;
937 }
938 }
939
940 spin_lock_irqsave(&adapter->driver_lock, flags);
941
942 if (addtail)
943 list_add_tail((struct list_head *)cmdnode,
944 &adapter->cmdpendingq);
945 else
946 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
947
948 spin_unlock_irqrestore(&adapter->driver_lock, flags);
949
950 lbs_pr_debug(1, "QUEUE_CMD: Inserted node=0x%x, cmd=0x%x in cmdpendingq\n",
951 (u32) cmdnode,
952 ((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
953
954done:
955 LEAVE();
956 return;
957}
958
959/*
960 * TODO: Fix the issue when DownloadcommandToStation is being called the
961 * second time when the command timesout. All the cmdptr->xxx are in little
962 * endian and therefore all the comparissions will fail.
963 * For now - we are not performing the endian conversion the second time - but
964 * for PS and DEEP_SLEEP we need to worry
965 */
966static int DownloadcommandToStation(wlan_private * priv,
967 struct cmd_ctrl_node *cmdnode)
968{
969 unsigned long flags;
970 struct cmd_ds_command *cmdptr;
971 wlan_adapter *adapter = priv->adapter;
972 int ret = 0;
973 u16 cmdsize;
974 u16 command;
975
976 ENTER();
977
978 if (!adapter || !cmdnode) {
979 lbs_pr_debug(1, "DNLD_CMD: adapter = %#x, cmdnode = %#x\n",
980 (int)adapter, (int)cmdnode);
981 if (cmdnode) {
982 spin_lock_irqsave(&adapter->driver_lock, flags);
983 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
984 spin_unlock_irqrestore(&adapter->driver_lock, flags);
985 }
986 ret = -1;
987 goto done;
988 }
989
990 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
991
992
993 spin_lock_irqsave(&adapter->driver_lock, flags);
994 if (!cmdptr || !cmdptr->size) {
995 lbs_pr_debug(1, "DNLD_CMD: cmdptr is Null or cmd size is Zero, "
996 "Not sending\n");
997 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
998 spin_unlock_irqrestore(&adapter->driver_lock, flags);
999 ret = -1;
1000 goto done;
1001 }
1002
1003 adapter->cur_cmd = cmdnode;
1004 adapter->cur_cmd_retcode = 0;
1005 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1006 lbs_pr_debug(1, "DNLD_CMD:: Before download, size of cmd = %d\n",
1007 cmdptr->size);
1008
1009 cmdsize = cmdptr->size;
1010
1011 command = cpu_to_le16(cmdptr->command);
1012
1013 cmdnode->cmdwaitqwoken = 0;
1014 cmdsize = cpu_to_le16(cmdsize);
1015
1016 ret = libertas_sbi_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1017
1018 if (ret != 0) {
1019 lbs_pr_debug(1, "DNLD_CMD: Host to Card failed\n");
1020 spin_lock_irqsave(&adapter->driver_lock, flags);
1021 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1022 adapter->cur_cmd = NULL;
1023 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1024 ret = -1;
1025 goto done;
1026 }
1027
1028 lbs_pr_debug(1, "DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
1029 lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
1030
1031 /* Setup the timer after transmit command */
1032 if (command == cmd_802_11_scan
1033 || command == cmd_802_11_authenticate
1034 || command == cmd_802_11_associate)
1035 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1036 else
1037 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1038
1039 ret = 0;
1040
1041 done:
1042 LEAVE();
1043 return ret;
1044}
1045
1046static int wlan_cmd_mac_control(wlan_private * priv,
1047 struct cmd_ds_command *cmd)
1048{
1049 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1050
1051 ENTER();
1052
1053 cmd->command = cpu_to_le16(cmd_mac_control);
1054 cmd->size =
1055 cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1056 mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1057
1058 lbs_pr_debug(1, "wlan_cmd_mac_control(): action=0x%X size=%d\n",
1059 mac->action, cmd->size);
1060
1061 LEAVE();
1062 return 0;
1063}
1064
1065/**
1066 * This function inserts command node to cmdfreeq
1067 * after cleans it. Requires adapter->driver_lock held.
1068 */
1069void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1070{
1071 wlan_adapter *adapter = priv->adapter;
1072
1073 if (!ptempcmd)
1074 goto done;
1075
1076 cleanup_cmdnode(ptempcmd);
1077 list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1078done:
1079 return;
1080}
1081
1082void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1083{
1084 unsigned long flags;
1085
1086 spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1087 __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1088 spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1089}
1090
1091int libertas_set_radio_control(wlan_private * priv)
1092{
1093 int ret = 0;
1094
1095 ENTER();
1096
1097 ret = libertas_prepare_and_send_command(priv,
1098 cmd_802_11_radio_control,
1099 cmd_act_set,
1100 cmd_option_waitforrsp, 0, NULL);
1101
1102 lbs_pr_debug(1, "RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
1103 priv->adapter->radioon, priv->adapter->preamble);
1104
1105 LEAVE();
1106 return ret;
1107}
1108
1109int libertas_set_mac_packet_filter(wlan_private * priv)
1110{
1111 int ret = 0;
1112
1113 ENTER();
1114
1115 lbs_pr_debug(1, "libertas_set_mac_packet_filter value = %x\n",
1116 priv->adapter->currentpacketfilter);
1117
1118 /* Send MAC control command to station */
1119 ret = libertas_prepare_and_send_command(priv,
1120 cmd_mac_control, 0, 0, 0, NULL);
1121
1122 LEAVE();
1123 return ret;
1124}
1125
1126/**
1127 * @brief This function prepare the command before send to firmware.
1128 *
1129 * @param priv A pointer to wlan_private structure
1130 * @param cmd_no command number
1131 * @param cmd_action command action: GET or SET
1132 * @param wait_option wait option: wait response or not
1133 * @param cmd_oid cmd oid: treated as sub command
1134 * @param pdata_buf A pointer to informaion buffer
1135 * @return 0 or -1
1136 */
1137int libertas_prepare_and_send_command(wlan_private * priv,
1138 u16 cmd_no,
1139 u16 cmd_action,
1140 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1141{
1142 int ret = 0;
1143 wlan_adapter *adapter = priv->adapter;
1144 struct cmd_ctrl_node *cmdnode;
1145 struct cmd_ds_command *cmdptr;
1146 unsigned long flags;
1147
1148 ENTER();
1149
1150 if (!adapter) {
1151 lbs_pr_debug(1, "PREP_CMD: adapter is Null\n");
1152 ret = -1;
1153 goto done;
1154 }
1155
1156 if (adapter->surpriseremoved) {
1157 lbs_pr_debug(1, "PREP_CMD: Card is Removed\n");
1158 ret = -1;
1159 goto done;
1160 }
1161
1162 cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1163
1164 if (cmdnode == NULL) {
1165 lbs_pr_debug(1, "PREP_CMD: No free cmdnode\n");
1166
1167 /* Wake up main thread to execute next command */
1168 wake_up_interruptible(&priv->mainthread.waitq);
1169 ret = -1;
1170 goto done;
1171 }
1172
1173 libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1174
1175 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1176
1177 lbs_pr_debug(1, "PREP_CMD: Val of cmd ptr =0x%x, command=0x%X\n",
1178 (u32) cmdptr, cmd_no);
1179
1180 if (!cmdptr) {
1181 lbs_pr_debug(1, "PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
1182 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1183 ret = -1;
1184 goto done;
1185 }
1186
1187 /* Set sequence number, command and INT option */
1188 adapter->seqnum++;
1189 cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1190
1191 cmdptr->command = cmd_no;
1192 cmdptr->result = 0;
1193
1194 switch (cmd_no) {
1195 case cmd_get_hw_spec:
1196 ret = wlan_cmd_hw_spec(priv, cmdptr);
1197 break;
1198 case cmd_802_11_ps_mode:
1199 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1200 break;
1201
1202 case cmd_802_11_scan:
1203 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1204 break;
1205
1206 case cmd_mac_control:
1207 ret = wlan_cmd_mac_control(priv, cmdptr);
1208 break;
1209
1210 case cmd_802_11_associate:
1211 case cmd_802_11_reassociate:
1212 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1213 break;
1214
1215 case cmd_802_11_deauthenticate:
1216 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1217 break;
1218
1219 case cmd_802_11_set_wep:
1220 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1221 break;
1222
1223 case cmd_802_11_ad_hoc_start:
1224 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1225 break;
1226 case cmd_code_dnld:
1227 break;
1228
1229 case cmd_802_11_reset:
1230 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1231 break;
1232
1233 case cmd_802_11_get_log:
1234 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1235 break;
1236
1237 case cmd_802_11_authenticate:
1238 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1239 break;
1240
1241 case cmd_802_11_get_stat:
1242 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1243 break;
1244
1245 case cmd_802_11_snmp_mib:
1246 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1247 cmd_action, cmd_oid, pdata_buf);
1248 break;
1249
1250 case cmd_mac_reg_access:
1251 case cmd_bbp_reg_access:
1252 case cmd_rf_reg_access:
1253 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1254 break;
1255
1256 case cmd_802_11_rf_channel:
1257 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1258 cmd_action, pdata_buf);
1259 break;
1260
1261 case cmd_802_11_rf_tx_power:
1262 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1263 cmd_action, pdata_buf);
1264 break;
1265
1266 case cmd_802_11_radio_control:
1267 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1268 break;
1269
1270 case cmd_802_11_rf_antenna:
1271 ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
1272 cmd_action, pdata_buf);
1273 break;
1274
1275 case cmd_802_11_data_rate:
1276 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1277 break;
1278 case cmd_802_11_rate_adapt_rateset:
1279 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1280 cmdptr, cmd_action);
1281 break;
1282
1283 case cmd_mac_multicast_adr:
1284 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1285 break;
1286
1287 case cmd_802_11_ad_hoc_join:
1288 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1289 break;
1290
1291 case cmd_802_11_rssi:
1292 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1293 break;
1294
1295 case cmd_802_11_ad_hoc_stop:
1296 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1297 break;
1298
1299 case cmd_802_11_enable_rsn:
1300 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
1301 break;
1302
1303 case cmd_802_11_key_material:
1304 ret = wlan_cmd_802_11_key_material(priv, cmdptr,
1305 cmd_action, cmd_oid,
1306 pdata_buf);
1307 break;
1308
1309 case cmd_802_11_pairwise_tsc:
1310 break;
1311 case cmd_802_11_group_tsc:
1312 break;
1313
1314 case cmd_802_11_mac_address:
1315 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1316 break;
1317
1318 case cmd_802_11_eeprom_access:
1319 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1320 cmd_action, pdata_buf);
1321 break;
1322
1323 case cmd_802_11_set_afc:
1324 case cmd_802_11_get_afc:
1325
1326 cmdptr->command = cpu_to_le16(cmd_no);
1327 cmdptr->size =
1328 cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1329 S_DS_GEN);
1330
1331 memmove(&cmdptr->params.afc,
1332 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1333
1334 ret = 0;
1335 goto done;
1336
1337 case cmd_802_11d_domain_info:
1338 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1339 cmd_no, cmd_action);
1340 break;
1341
1342 case cmd_802_11_sleep_params:
1343 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1344 break;
1345 case cmd_802_11_inactivity_timeout:
1346 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1347 cmd_action, pdata_buf);
1348 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1349 break;
1350
1351 case cmd_802_11_tpc_cfg:
1352 cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
1353 cmdptr->size =
1354 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1355 S_DS_GEN);
1356
1357 memmove(&cmdptr->params.tpccfg,
1358 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1359
1360 ret = 0;
1361 break;
1362 case cmd_802_11_led_gpio_ctrl:
1363 {
1364 struct mrvlietypes_ledgpio *gpio =
1365 (struct mrvlietypes_ledgpio*)
1366 cmdptr->params.ledgpio.data;
1367
1368 memmove(&cmdptr->params.ledgpio,
1369 pdata_buf,
1370 sizeof(struct cmd_ds_802_11_led_ctrl));
1371
1372 cmdptr->command =
1373 cpu_to_le16(cmd_802_11_led_gpio_ctrl);
1374
1375#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1376 cmdptr->size =
1377 cpu_to_le16(gpio->header.len + S_DS_GEN +
1378 ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1379 gpio->header.len = cpu_to_le16(gpio->header.len);
1380
1381 ret = 0;
1382 break;
1383 }
1384 case cmd_802_11_pwr_cfg:
1385 cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
1386 cmdptr->size =
1387 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1388 S_DS_GEN);
1389 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1390 sizeof(struct cmd_ds_802_11_pwr_cfg));
1391
1392 ret = 0;
1393 break;
1394 case cmd_bt_access:
1395 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1396 break;
1397
1398 case cmd_fwt_access:
1399 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1400 break;
1401
1402 case cmd_mesh_access:
1403 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1404 break;
1405
1406 case cmd_get_tsf:
1407 cmdptr->command = cpu_to_le16(cmd_get_tsf);
1408 cmdptr->size =
1409 cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
1410 + S_DS_GEN);
1411 ret = 0;
1412 break;
1413 case cmd_802_11_tx_rate_query:
1414 cmdptr->command =
1415 cpu_to_le16(cmd_802_11_tx_rate_query);
1416 cmdptr->size =
1417 cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
1418 S_DS_GEN);
1419 adapter->txrate = 0;
1420 ret = 0;
1421 break;
1422 default:
1423 lbs_pr_debug(1, "PREP_CMD: unknown command- %#x\n", cmd_no);
1424 ret = -1;
1425 break;
1426 }
1427
1428 /* return error, since the command preparation failed */
1429 if (ret != 0) {
1430 lbs_pr_debug(1, "PREP_CMD: command preparation failed\n");
1431 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1432 ret = -1;
1433 goto done;
1434 }
1435
1436 cmdnode->cmdwaitqwoken = 0;
1437
1438 libertas_queue_cmd(adapter, cmdnode, 1);
1439 adapter->nr_cmd_pending++;
1440 wake_up_interruptible(&priv->mainthread.waitq);
1441
1442 if (wait_option & cmd_option_waitforrsp) {
1443 lbs_pr_debug(1, "PREP_CMD: Wait for CMD response\n");
1444 might_sleep();
1445 wait_event_interruptible(cmdnode->cmdwait_q,
1446 cmdnode->cmdwaitqwoken);
1447 }
1448
1449 spin_lock_irqsave(&adapter->driver_lock, flags);
1450 if (adapter->cur_cmd_retcode) {
1451 lbs_pr_debug(1, "PREP_CMD: command failed with return code=%d\n",
1452 adapter->cur_cmd_retcode);
1453 adapter->cur_cmd_retcode = 0;
1454 ret = -1;
1455 }
1456 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1457
1458done:
1459 LEAVE();
1460 return ret;
1461}
1462
1463/**
1464 * @brief This function allocates the command buffer and link
1465 * it to command free queue.
1466 *
1467 * @param priv A pointer to wlan_private structure
1468 * @return 0 or -1
1469 */
1470int libertas_allocate_cmd_buffer(wlan_private * priv)
1471{
1472 int ret = 0;
1473 u32 ulbufsize;
1474 u32 i;
1475 struct cmd_ctrl_node *tempcmd_array;
1476 u8 *ptempvirtualaddr;
1477 wlan_adapter *adapter = priv->adapter;
1478
1479 ENTER();
1480
1481 /* Allocate and initialize cmdCtrlNode */
1482 ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1483
1484 if (!(tempcmd_array = kmalloc(ulbufsize, GFP_KERNEL))) {
1485 lbs_pr_debug(1,
1486 "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
1487 ret = -1;
1488 goto done;
1489 }
1490
1491 adapter->cmd_array = tempcmd_array;
1492 memset(adapter->cmd_array, 0, ulbufsize);
1493
1494 /* Allocate and initialize command buffers */
1495 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1496 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1497 if (!(ptempvirtualaddr = kmalloc(ulbufsize, GFP_KERNEL))) {
1498 lbs_pr_debug(1,
1499 "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
1500 ret = -1;
1501 goto done;
1502 }
1503
1504 memset(ptempvirtualaddr, 0, ulbufsize);
1505
1506 /* Update command buffer virtual */
1507 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1508 }
1509
1510 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1511 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1512 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1513 }
1514
1515 ret = 0;
1516 done:
1517 LEAVE();
1518 return ret;
1519}
1520
1521/**
1522 * @brief This function frees the command buffer.
1523 *
1524 * @param priv A pointer to wlan_private structure
1525 * @return 0 or -1
1526 */
1527int libertas_free_cmd_buffer(wlan_private * priv)
1528{
1529 u32 ulbufsize;
1530 unsigned int i;
1531 struct cmd_ctrl_node *tempcmd_array;
1532 wlan_adapter *adapter = priv->adapter;
1533
1534 ENTER();
1535
1536 /* need to check if cmd array is allocated or not */
1537 if (adapter->cmd_array == NULL) {
1538 lbs_pr_debug(1, "FREE_CMD_BUF: cmd_array is Null\n");
1539 goto done;
1540 }
1541
1542 tempcmd_array = adapter->cmd_array;
1543
1544 /* Release shared memory buffers */
1545 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1546 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1547 if (tempcmd_array[i].bufvirtualaddr) {
1548 lbs_pr_debug(1, "Free all the array\n");
1549 kfree(tempcmd_array[i].bufvirtualaddr);
1550 tempcmd_array[i].bufvirtualaddr = NULL;
1551 }
1552 }
1553
1554 /* Release cmd_ctrl_node */
1555 if (adapter->cmd_array) {
1556 lbs_pr_debug(1, "Free cmd_array\n");
1557 kfree(adapter->cmd_array);
1558 adapter->cmd_array = NULL;
1559 }
1560
1561done:
1562 LEAVE();
1563 return 0;
1564}
1565
1566/**
1567 * @brief This function gets a free command node if available in
1568 * command free queue.
1569 *
1570 * @param priv A pointer to wlan_private structure
1571 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1572 */
1573struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1574{
1575 struct cmd_ctrl_node *tempnode;
1576 wlan_adapter *adapter = priv->adapter;
1577 unsigned long flags;
1578
1579 if (!adapter)
1580 return NULL;
1581
1582 spin_lock_irqsave(&adapter->driver_lock, flags);
1583
1584 if (!list_empty(&adapter->cmdfreeq)) {
1585 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1586 list_del((struct list_head *)tempnode);
1587 } else {
1588 lbs_pr_debug(1, "GET_CMD_NODE: cmd_ctrl_node is not available\n");
1589 tempnode = NULL;
1590 }
1591
1592 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1593
1594 if (tempnode) {
1595 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
1596 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
1597 tempnode);
1598 cleanup_cmdnode(tempnode);
1599 }
1600
1601 return tempnode;
1602}
1603
1604/**
1605 * @brief This function cleans command node.
1606 *
1607 * @param ptempnode A pointer to cmdCtrlNode structure
1608 * @return n/a
1609 */
1610static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1611{
1612 if (!ptempnode)
1613 return;
1614 ptempnode->cmdwaitqwoken = 1;
1615 wake_up_interruptible(&ptempnode->cmdwait_q);
1616 ptempnode->status = 0;
1617 ptempnode->cmd_oid = (u32) 0;
1618 ptempnode->wait_option = 0;
1619 ptempnode->pdata_buf = NULL;
1620
1621 if (ptempnode->bufvirtualaddr != NULL)
1622 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1623 return;
1624}
1625
1626/**
1627 * @brief This function initializes the command node.
1628 *
1629 * @param priv A pointer to wlan_private structure
1630 * @param ptempnode A pointer to cmd_ctrl_node structure
1631 * @param cmd_oid cmd oid: treated as sub command
1632 * @param wait_option wait option: wait response or not
1633 * @param pdata_buf A pointer to informaion buffer
1634 * @return 0 or -1
1635 */
1636void libertas_set_cmd_ctrl_node(wlan_private * priv,
1637 struct cmd_ctrl_node *ptempnode,
1638 u32 cmd_oid, u16 wait_option, void *pdata_buf)
1639{
1640 ENTER();
1641
1642 if (!ptempnode)
1643 return;
1644
1645 ptempnode->cmd_oid = cmd_oid;
1646 ptempnode->wait_option = wait_option;
1647 ptempnode->pdata_buf = pdata_buf;
1648
1649 LEAVE();
1650}
1651
1652/**
1653 * @brief This function executes next command in command
1654 * pending queue. It will put fimware back to PS mode
1655 * if applicable.
1656 *
1657 * @param priv A pointer to wlan_private structure
1658 * @return 0 or -1
1659 */
1660int libertas_execute_next_command(wlan_private * priv)
1661{
1662 wlan_adapter *adapter = priv->adapter;
1663 struct cmd_ctrl_node *cmdnode = NULL;
1664 struct cmd_ds_command *cmdptr;
1665 unsigned long flags;
1666 int ret = 0;
1667
1668 lbs_pr_debug(1, "libertas_execute_next_command\n");
1669
1670 spin_lock_irqsave(&adapter->driver_lock, flags);
1671
1672 if (adapter->cur_cmd) {
1673 lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
1674 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1675 ret = -1;
1676 goto done;
1677 }
1678
1679 if (!list_empty(&adapter->cmdpendingq)) {
1680 cmdnode = (struct cmd_ctrl_node *)
1681 adapter->cmdpendingq.next;
1682 }
1683
1684 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1685
1686 if (cmdnode) {
1687 lbs_pr_debug(1,
1688 "EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
1689 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1690
1691 if (is_command_allowed_in_ps(cmdptr->command)) {
1692 if ((adapter->psstate == PS_STATE_SLEEP)
1693 || (adapter->psstate == PS_STATE_PRE_SLEEP)
1694 ) {
1695 lbs_pr_debug(1,
1696 "EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
1697 cmdptr->command, adapter->psstate);
1698 ret = -1;
1699 goto done;
1700 }
1701 lbs_pr_debug(1, "EXEC_NEXT_CMD: OK to send command "
1702 "0x%x in psstate %d\n",
1703 cmdptr->command, adapter->psstate);
1704 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1705 /*
1706 * 1. Non-PS command:
1707 * Queue it. set needtowakeup to TRUE if current state
1708 * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1709 * 2. PS command but not Exit_PS:
1710 * Ignore it.
1711 * 3. PS command Exit_PS:
1712 * Set needtowakeup to TRUE if current state is SLEEP,
1713 * otherwise send this command down to firmware
1714 * immediately.
1715 */
1716 if (cmdptr->command !=
1717 cpu_to_le16(cmd_802_11_ps_mode)) {
1718 /* Prepare to send Exit PS,
1719 * this non PS command will be sent later */
1720 if ((adapter->psstate == PS_STATE_SLEEP)
1721 || (adapter->psstate == PS_STATE_PRE_SLEEP)
1722 ) {
1723 /* w/ new scheme, it will not reach here.
1724 since it is blocked in main_thread. */
1725 adapter->needtowakeup = 1;
1726 } else
1727 libertas_ps_wakeup(priv, 0);
1728
1729 ret = 0;
1730 goto done;
1731 } else {
1732 /*
1733 * PS command. Ignore it if it is not Exit_PS.
1734 * otherwise send it down immediately.
1735 */
1736 struct cmd_ds_802_11_ps_mode *psm =
1737 &cmdptr->params.psmode;
1738
1739 lbs_pr_debug(1,
1740 "EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
1741 psm->action);
1742 if (psm->action !=
1743 cpu_to_le16(cmd_subcmd_exit_ps)) {
1744 lbs_pr_debug(1,
1745 "EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
1746 list_del((struct list_head *)cmdnode);
1747 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1748
1749 ret = 0;
1750 goto done;
1751 }
1752
1753 if ((adapter->psstate == PS_STATE_SLEEP)
1754 || (adapter->psstate == PS_STATE_PRE_SLEEP)
1755 ) {
1756 lbs_pr_debug(1,
1757 "EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
1758 list_del((struct list_head *)cmdnode);
1759 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1760 adapter->needtowakeup = 1;
1761
1762 ret = 0;
1763 goto done;
1764 }
1765
1766 lbs_pr_debug(1,
1767 "EXEC_NEXT_CMD: Sending Exit_PS down...\n");
1768 }
1769 }
1770 list_del((struct list_head *)cmdnode);
1771 lbs_pr_debug(1, "EXEC_NEXT_CMD: Sending 0x%04X command\n",
1772 cmdptr->command);
1773 DownloadcommandToStation(priv, cmdnode);
1774 } else {
1775 /*
1776 * check if in power save mode, if yes, put the device back
1777 * to PS mode
1778 */
1779 if ((adapter->psmode != wlan802_11powermodecam) &&
1780 (adapter->psstate == PS_STATE_FULL_POWER) &&
1781 (adapter->connect_status == libertas_connected)) {
1782 if (adapter->secinfo.WPAenabled
1783 || adapter->secinfo.WPA2enabled) {
1784 /* check for valid WPA group keys */
1785 if (adapter->wpa_mcast_key.len
1786 || adapter->wpa_unicast_key.len) {
1787 lbs_pr_debug(1,
1788 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1789 " go back to PS_SLEEP");
1790 libertas_ps_sleep(priv, 0);
1791 }
1792 } else {
1793 lbs_pr_debug(1,
1794 "EXEC_NEXT_CMD: command PendQ is empty,"
1795 " go back to PS_SLEEP");
1796 libertas_ps_sleep(priv, 0);
1797 }
1798 }
1799 }
1800
1801 ret = 0;
1802done:
1803 return ret;
1804}
1805
1806void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1807{
1808 union iwreq_data iwrq;
1809 u8 buf[50];
1810
1811 ENTER();
1812
1813 memset(&iwrq, 0, sizeof(union iwreq_data));
1814 memset(buf, 0, sizeof(buf));
1815
1816 snprintf(buf, sizeof(buf) - 1, "%s", str);
1817
1818 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1819
1820 /* Send Event to upper layer */
1821 lbs_pr_debug(1, "Event Indication string = %s\n",
1822 (char *)buf);
1823 lbs_pr_debug(1, "Event Indication String length = %d\n", iwrq.data.length);
1824
1825 lbs_pr_debug(1, "Sending wireless event IWEVCUSTOM for %s\n", str);
1826 wireless_send_event(priv->wlan_dev.netdev, IWEVCUSTOM, &iwrq, buf);
1827
1828 LEAVE();
1829 return;
1830}
1831
1832static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1833{
1834 unsigned long flags;
1835 wlan_adapter *adapter = priv->adapter;
1836 int ret = 0;
1837
1838 ENTER();
1839
1840 lbs_pr_debug(1, "SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
1841 size);
1842
1843 lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
1844
1845 ret = libertas_sbi_host_to_card(priv, MVMS_CMD, cmdptr, size);
1846 priv->wlan_dev.dnld_sent = DNLD_RES_RECEIVED;
1847
1848 spin_lock_irqsave(&adapter->driver_lock, flags);
1849 if (adapter->intcounter || adapter->currenttxskb)
1850 lbs_pr_debug(1, "SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
1851 adapter->intcounter, adapter->currenttxskb);
1852 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1853
1854 if (ret) {
1855 lbs_pr_alert(
1856 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1857 } else {
1858 spin_lock_irqsave(&adapter->driver_lock, flags);
1859 if (!adapter->intcounter) {
1860 adapter->psstate = PS_STATE_SLEEP;
1861 } else {
1862 lbs_pr_debug(1, "SEND_SLEEPC_CMD: After sent,IntC=%d\n",
1863 adapter->intcounter);
1864 }
1865 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1866
1867 lbs_pr_debug(1, "SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
1868 lbs_pr_debug(1, "+");
1869 }
1870
1871 LEAVE();
1872 return ret;
1873}
1874
1875void libertas_ps_sleep(wlan_private * priv, int wait_option)
1876{
1877
1878 ENTER();
1879
1880 /*
1881 * PS is currently supported only in Infrastructure mode
1882 * Remove this check if it is to be supported in IBSS mode also
1883 */
1884
1885 libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1886 cmd_subcmd_enter_ps, wait_option, 0, NULL);
1887
1888 LEAVE();
1889 return;
1890}
1891
1892/**
1893 * @brief This function sends Eixt_PS command to firmware.
1894 *
1895 * @param priv A pointer to wlan_private structure
1896 * @param wait_option wait response or not
1897 * @return n/a
1898 */
1899void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1900{
1901 enum WLAN_802_11_POWER_MODE Localpsmode;
1902
1903 ENTER();
1904
1905 Localpsmode = wlan802_11powermodecam;
1906
1907 lbs_pr_debug(1, "Exit_PS: Localpsmode = %d\n", Localpsmode);
1908
1909 libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1910 cmd_subcmd_exit_ps,
1911 wait_option, 0, &Localpsmode);
1912
1913 LEAVE();
1914 return;
1915}
1916
1917/**
1918 * @brief This function checks condition and prepares to
1919 * send sleep confirm command to firmware if ok.
1920 *
1921 * @param priv A pointer to wlan_private structure
1922 * @param psmode Power Saving mode
1923 * @return n/a
1924 */
1925void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1926{
1927 unsigned long flags =0;
1928 wlan_adapter *adapter = priv->adapter;
1929 u8 allowed = 1;
1930
1931 ENTER();
1932
1933 if (priv->wlan_dev.dnld_sent) {
1934 allowed = 0;
1935 lbs_pr_debug(1, "D");
1936 }
1937
1938 spin_lock_irqsave(&adapter->driver_lock, flags);
1939 if (adapter->cur_cmd) {
1940 allowed = 0;
1941 lbs_pr_debug(1, "C");
1942 }
1943 if (adapter->intcounter > 0) {
1944 allowed = 0;
1945 lbs_pr_debug(1, "I%d", adapter->intcounter);
1946 }
1947 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1948
1949 if (allowed) {
1950 lbs_pr_debug(1, "Sending libertas_ps_confirm_sleep\n");
1951 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1952 sizeof(struct PS_CMD_ConfirmSleep));
1953 } else {
1954 lbs_pr_debug(1, "Sleep Confirm has been delayed\n");
1955 }
1956
1957 LEAVE();
1958}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 12:51:48 -0500