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libertas: endianness fixes
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / cmd.c
blobcf1ab8a345fe96cd60bdccf6f9cce47e8ea04aa9
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 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
17 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
18 struct cmd_ctrl_node *ptempnode,
19 u16 wait_option, void *pdata_buf);
20
21
22 static u16 commands_allowed_in_ps[] = {
23 CMD_802_11_RSSI,
24 };
25
26 /**
27 * @brief This function checks if the commans is allowed
28 * in PS mode not.
29 *
30 * @param command the command ID
31 * @return TRUE or FALSE
32 */
33 static u8 is_command_allowed_in_ps(__le16 command)
34 {
35 int i;
36
37 for (i = 0; i < ARRAY_SIZE(commands_allowed_in_ps); i++) {
38 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
39 return 1;
40 }
41
42 return 0;
43 }
44
45 static int lbs_cmd_hw_spec(struct lbs_private *priv, struct cmd_ds_command *cmd)
46 {
47 struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
48
49 lbs_deb_enter(LBS_DEB_CMD);
50
51 cmd->command = cpu_to_le16(CMD_GET_HW_SPEC);
52 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
53 memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
54
55 lbs_deb_leave(LBS_DEB_CMD);
56 return 0;
57 }
58
59 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
60 struct cmd_ds_command *cmd,
61 u16 cmd_action)
62 {
63 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
64
65 lbs_deb_enter(LBS_DEB_CMD);
66
67 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
68 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
69 S_DS_GEN);
70 psm->action = cpu_to_le16(cmd_action);
71 psm->multipledtim = 0;
72 switch (cmd_action) {
73 case CMD_SUBCMD_ENTER_PS:
74 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
75
76 psm->locallisteninterval = 0;
77 psm->nullpktinterval = 0;
78 psm->multipledtim =
79 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
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 lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
99 struct cmd_ds_command *cmd,
100 u16 cmd_action, void *pdata_buf)
101 {
102 u16 *timeout = pdata_buf;
103
104 lbs_deb_enter(LBS_DEB_CMD);
105
106 cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
107 cmd->size =
108 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
109 + S_DS_GEN);
110
111 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
112
113 if (cmd_action)
114 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
115 else
116 cmd->params.inactivity_timeout.timeout = 0;
117
118 lbs_deb_leave(LBS_DEB_CMD);
119 return 0;
120 }
121
122 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
123 struct cmd_ds_command *cmd,
124 u16 cmd_action)
125 {
126 struct lbs_adapter *adapter = priv->adapter;
127 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
128
129 lbs_deb_enter(LBS_DEB_CMD);
130
131 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
132 S_DS_GEN);
133 cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
134
135 if (cmd_action == CMD_ACT_GET) {
136 memset(&adapter->sp, 0, sizeof(struct sleep_params));
137 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
138 sp->action = cpu_to_le16(cmd_action);
139 } else if (cmd_action == CMD_ACT_SET) {
140 sp->action = cpu_to_le16(cmd_action);
141 sp->error = cpu_to_le16(adapter->sp.sp_error);
142 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
143 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
144 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
145 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
146 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
147 }
148
149 lbs_deb_leave(LBS_DEB_CMD);
150 return 0;
151 }
152
153 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
154 struct cmd_ds_command *cmd,
155 u32 cmd_act,
156 void * pdata_buf)
157 {
158 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
159 struct lbs_adapter *adapter = priv->adapter;
160 int ret = 0;
161 struct assoc_request * assoc_req = pdata_buf;
162
163 lbs_deb_enter(LBS_DEB_CMD);
164
165 cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
166 cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
167
168 if (cmd_act == CMD_ACT_ADD) {
169 int i;
170
171 if (!assoc_req) {
172 lbs_deb_cmd("Invalid association request!");
173 ret = -1;
174 goto done;
175 }
176
177 wep->action = cpu_to_le16(CMD_ACT_ADD);
178
179 /* default tx key index */
180 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
181 (u32)CMD_WEP_KEY_INDEX_MASK));
182
183 /* Copy key types and material to host command structure */
184 for (i = 0; i < 4; i++) {
185 struct enc_key * pkey = &assoc_req->wep_keys[i];
186
187 switch (pkey->len) {
188 case KEY_LEN_WEP_40:
189 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
190 memmove(&wep->keymaterial[i], pkey->key,
191 pkey->len);
192 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
193 break;
194 case KEY_LEN_WEP_104:
195 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
196 memmove(&wep->keymaterial[i], pkey->key,
197 pkey->len);
198 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
199 break;
200 case 0:
201 break;
202 default:
203 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
204 i, pkey->len);
205 ret = -1;
206 goto done;
207 break;
208 }
209 }
210 } else if (cmd_act == CMD_ACT_REMOVE) {
211 /* ACT_REMOVE clears _all_ WEP keys */
212 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
213
214 /* default tx key index */
215 wep->keyindex = cpu_to_le16((u16)(adapter->wep_tx_keyidx &
216 (u32)CMD_WEP_KEY_INDEX_MASK));
217 lbs_deb_cmd("SET_WEP: remove key %d\n", adapter->wep_tx_keyidx);
218 }
219
220 ret = 0;
221
222 done:
223 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
224 return ret;
225 }
226
227 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
228 struct cmd_ds_command *cmd,
229 u16 cmd_action,
230 void * pdata_buf)
231 {
232 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
233 u32 * enable = pdata_buf;
234
235 lbs_deb_enter(LBS_DEB_CMD);
236
237 cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
238 cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
239 penableRSN->action = cpu_to_le16(cmd_action);
240
241 if (cmd_action == CMD_ACT_SET) {
242 if (*enable)
243 penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
244 else
245 penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
246 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
247 }
248
249 lbs_deb_leave(LBS_DEB_CMD);
250 return 0;
251 }
252
253
254 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
255 {
256 ssize_t pos = 0;
257 struct mrvlietypesheader *tlv_h;
258 while (pos < size) {
259 u16 length;
260 tlv_h = (struct mrvlietypesheader *) tlv;
261 if (tlv_h->len == 0)
262 return pos;
263 length = le16_to_cpu(tlv_h->len) +
264 sizeof(struct mrvlietypesheader);
265 pos += length;
266 tlv += length;
267 }
268 return pos;
269 }
270
271
272 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
273 struct cmd_ds_command *cmd, u16 cmd_action,
274 void *pdata_buf)
275 {
276 struct cmd_ds_802_11_subscribe_event *events =
277 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
278
279 /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
280 * for various Marvell TLVs */
281
282 lbs_deb_enter(LBS_DEB_CMD);
283
284 cmd->size = cpu_to_le16(sizeof(*events)
285 - sizeof(events->tlv)
286 + S_DS_GEN);
287 cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
288 if (cmd_action == CMD_ACT_GET) {
289 cmd->params.subscribe_event.events = 0;
290 } else {
291 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
292 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
293 cmd->params.subscribe_event.events = events->events;
294 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
295 }
296
297 lbs_deb_leave(LBS_DEB_CMD);
298 }
299
300 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
301 struct enc_key * pkey)
302 {
303 lbs_deb_enter(LBS_DEB_CMD);
304
305 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
306 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
307 }
308 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
309 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
310 }
311 if (pkey->flags & KEY_INFO_WPA_MCAST) {
312 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
313 }
314
315 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
316 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
317 pkeyparamset->keylen = cpu_to_le16(pkey->len);
318 memcpy(pkeyparamset->key, pkey->key, pkey->len);
319 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
320 + sizeof(pkeyparamset->keyinfo)
321 + sizeof(pkeyparamset->keylen)
322 + sizeof(pkeyparamset->key));
323 lbs_deb_leave(LBS_DEB_CMD);
324 }
325
326 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
327 struct cmd_ds_command *cmd,
328 u16 cmd_action,
329 u32 cmd_oid, void *pdata_buf)
330 {
331 struct cmd_ds_802_11_key_material *pkeymaterial =
332 &cmd->params.keymaterial;
333 struct assoc_request * assoc_req = pdata_buf;
334 int ret = 0;
335 int index = 0;
336
337 lbs_deb_enter(LBS_DEB_CMD);
338
339 cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
340 pkeymaterial->action = cpu_to_le16(cmd_action);
341
342 if (cmd_action == CMD_ACT_GET) {
343 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
344 ret = 0;
345 goto done;
346 }
347
348 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
349
350 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
351 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
352 &assoc_req->wpa_unicast_key);
353 index++;
354 }
355
356 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
357 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
358 &assoc_req->wpa_mcast_key);
359 index++;
360 }
361
362 cmd->size = cpu_to_le16( S_DS_GEN
363 + sizeof (pkeymaterial->action)
364 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
365
366 ret = 0;
367
368 done:
369 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
370 return ret;
371 }
372
373 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
374 struct cmd_ds_command *cmd, int cmd_action)
375 {
376 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
377
378 lbs_deb_enter(LBS_DEB_CMD);
379
380 cmd->command = cpu_to_le16(CMD_802_11_RESET);
381 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
382 reset->action = cpu_to_le16(cmd_action);
383
384 lbs_deb_leave(LBS_DEB_CMD);
385 return 0;
386 }
387
388 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
389 struct cmd_ds_command *cmd)
390 {
391 lbs_deb_enter(LBS_DEB_CMD);
392 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
393 cmd->size =
394 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
395
396 lbs_deb_leave(LBS_DEB_CMD);
397 return 0;
398 }
399
400 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
401 struct cmd_ds_command *cmd)
402 {
403 lbs_deb_enter(LBS_DEB_CMD);
404 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
405 cmd->size =
406 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
407
408 lbs_deb_leave(LBS_DEB_CMD);
409 return 0;
410 }
411
412 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
413 struct cmd_ds_command *cmd,
414 int cmd_action,
415 int cmd_oid, void *pdata_buf)
416 {
417 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
418 struct lbs_adapter *adapter = priv->adapter;
419 u8 ucTemp;
420
421 lbs_deb_enter(LBS_DEB_CMD);
422
423 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
424
425 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
426 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
427
428 switch (cmd_oid) {
429 case OID_802_11_INFRASTRUCTURE_MODE:
430 {
431 u8 mode = (u8) (size_t) pdata_buf;
432 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
433 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
434 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
435 if (mode == IW_MODE_ADHOC) {
436 ucTemp = SNMP_MIB_VALUE_ADHOC;
437 } else {
438 /* Infra and Auto modes */
439 ucTemp = SNMP_MIB_VALUE_INFRA;
440 }
441
442 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
443
444 break;
445 }
446
447 case OID_802_11D_ENABLE:
448 {
449 u32 ulTemp;
450
451 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
452
453 if (cmd_action == CMD_ACT_SET) {
454 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
455 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
456 ulTemp = *(u32 *)pdata_buf;
457 *((__le16 *)(pSNMPMIB->value)) =
458 cpu_to_le16((u16) ulTemp);
459 }
460 break;
461 }
462
463 case OID_802_11_FRAGMENTATION_THRESHOLD:
464 {
465 u32 ulTemp;
466
467 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
468
469 if (cmd_action == CMD_ACT_GET) {
470 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
471 } else if (cmd_action == CMD_ACT_SET) {
472 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
473 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
474 ulTemp = *((u32 *) pdata_buf);
475 *((__le16 *)(pSNMPMIB->value)) =
476 cpu_to_le16((u16) ulTemp);
477
478 }
479
480 break;
481 }
482
483 case OID_802_11_RTS_THRESHOLD:
484 {
485
486 u32 ulTemp;
487 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
488
489 if (cmd_action == CMD_ACT_GET) {
490 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
491 } else if (cmd_action == CMD_ACT_SET) {
492 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
493 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
494 ulTemp = *((u32 *)pdata_buf);
495 *(__le16 *)(pSNMPMIB->value) =
496 cpu_to_le16((u16) ulTemp);
497
498 }
499 break;
500 }
501 case OID_802_11_TX_RETRYCOUNT:
502 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
503
504 if (cmd_action == CMD_ACT_GET) {
505 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
506 } else if (cmd_action == CMD_ACT_SET) {
507 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
508 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
509 *((__le16 *)(pSNMPMIB->value)) =
510 cpu_to_le16((u16) adapter->txretrycount);
511 }
512
513 break;
514 default:
515 break;
516 }
517
518 lbs_deb_cmd(
519 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
520 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
521 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
522
523 lbs_deb_cmd(
524 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
525 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
526 le16_to_cpu(pSNMPMIB->bufsize),
527 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
528
529 lbs_deb_leave(LBS_DEB_CMD);
530 return 0;
531 }
532
533 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
534 struct cmd_ds_command *cmd,
535 int cmd_action)
536 {
537 struct lbs_adapter *adapter = priv->adapter;
538 struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
539
540 lbs_deb_enter(LBS_DEB_CMD);
541
542 cmd->size =
543 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
544 S_DS_GEN);
545 cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
546
547 pradiocontrol->action = cpu_to_le16(cmd_action);
548
549 switch (adapter->preamble) {
550 case CMD_TYPE_SHORT_PREAMBLE:
551 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
552 break;
553
554 case CMD_TYPE_LONG_PREAMBLE:
555 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
556 break;
557
558 case CMD_TYPE_AUTO_PREAMBLE:
559 default:
560 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
561 break;
562 }
563
564 if (adapter->radioon)
565 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
566 else
567 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
568
569 lbs_deb_leave(LBS_DEB_CMD);
570 return 0;
571 }
572
573 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
574 struct cmd_ds_command *cmd,
575 u16 cmd_action, void *pdata_buf)
576 {
577
578 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
579
580 lbs_deb_enter(LBS_DEB_CMD);
581
582 cmd->size =
583 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
584 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
585 prtp->action = cpu_to_le16(cmd_action);
586
587 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
588 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
589 le16_to_cpu(prtp->action));
590
591 switch (cmd_action) {
592 case CMD_ACT_TX_POWER_OPT_GET:
593 prtp->action = cpu_to_le16(CMD_ACT_GET);
594 prtp->currentlevel = 0;
595 break;
596
597 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
598 prtp->action = cpu_to_le16(CMD_ACT_SET);
599 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
600 break;
601
602 case CMD_ACT_TX_POWER_OPT_SET_MID:
603 prtp->action = cpu_to_le16(CMD_ACT_SET);
604 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
605 break;
606
607 case CMD_ACT_TX_POWER_OPT_SET_LOW:
608 prtp->action = cpu_to_le16(CMD_ACT_SET);
609 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
610 break;
611 }
612
613 lbs_deb_leave(LBS_DEB_CMD);
614 return 0;
615 }
616
617 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
618 struct cmd_ds_command *cmd,
619 u16 cmd_action, void *pdata_buf)
620 {
621 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
622
623 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
624 cmd->size =
625 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
626 S_DS_GEN);
627
628 monitor->action = cpu_to_le16(cmd_action);
629 if (cmd_action == CMD_ACT_SET) {
630 monitor->mode =
631 cpu_to_le16((u16) (*(u32 *) pdata_buf));
632 }
633
634 return 0;
635 }
636
637 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
638 struct cmd_ds_command *cmd,
639 u16 cmd_action)
640 {
641 struct cmd_ds_802_11_rate_adapt_rateset
642 *rateadapt = &cmd->params.rateset;
643 struct lbs_adapter *adapter = priv->adapter;
644
645 lbs_deb_enter(LBS_DEB_CMD);
646 cmd->size =
647 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
648 + S_DS_GEN);
649 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
650
651 rateadapt->action = cpu_to_le16(cmd_action);
652 rateadapt->enablehwauto = cpu_to_le16(adapter->enablehwauto);
653 rateadapt->bitmap = cpu_to_le16(adapter->ratebitmap);
654
655 lbs_deb_leave(LBS_DEB_CMD);
656 return 0;
657 }
658
659 static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
660 struct cmd_ds_command *cmd,
661 u16 cmd_action)
662 {
663 struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
664 struct lbs_adapter *adapter = priv->adapter;
665
666 lbs_deb_enter(LBS_DEB_CMD);
667
668 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
669 S_DS_GEN);
670 cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
671 memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
672 pdatarate->action = cpu_to_le16(cmd_action);
673
674 if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
675 pdatarate->rates[0] = lbs_data_rate_to_fw_index(adapter->cur_rate);
676 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
677 adapter->cur_rate);
678 } else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
679 lbs_deb_cmd("DATA_RATE: setting auto\n");
680 }
681
682 lbs_deb_leave(LBS_DEB_CMD);
683 return 0;
684 }
685
686 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
687 struct cmd_ds_command *cmd,
688 u16 cmd_action)
689 {
690 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
691 struct lbs_adapter *adapter = priv->adapter;
692
693 lbs_deb_enter(LBS_DEB_CMD);
694 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
695 S_DS_GEN);
696 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
697
698 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
699 pMCastAdr->action = cpu_to_le16(cmd_action);
700 pMCastAdr->nr_of_adrs =
701 cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
702 memcpy(pMCastAdr->maclist, adapter->multicastlist,
703 adapter->nr_of_multicastmacaddr * ETH_ALEN);
704
705 lbs_deb_leave(LBS_DEB_CMD);
706 return 0;
707 }
708
709 static int lbs_cmd_802_11_rf_channel(struct lbs_private *priv,
710 struct cmd_ds_command *cmd,
711 int option, void *pdata_buf)
712 {
713 struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
714
715 lbs_deb_enter(LBS_DEB_CMD);
716 cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
717 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
718 S_DS_GEN);
719
720 if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
721 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
722 }
723
724 rfchan->action = cpu_to_le16(option);
725
726 lbs_deb_leave(LBS_DEB_CMD);
727 return 0;
728 }
729
730 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
731 struct cmd_ds_command *cmd)
732 {
733 struct lbs_adapter *adapter = priv->adapter;
734
735 lbs_deb_enter(LBS_DEB_CMD);
736 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
737 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
738 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
739
740 /* reset Beacon SNR/NF/RSSI values */
741 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
742 adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
743 adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
744 adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
745 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
746 adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
747
748 lbs_deb_leave(LBS_DEB_CMD);
749 return 0;
750 }
751
752 static int lbs_cmd_reg_access(struct lbs_private *priv,
753 struct cmd_ds_command *cmdptr,
754 u8 cmd_action, void *pdata_buf)
755 {
756 struct lbs_offset_value *offval;
757
758 lbs_deb_enter(LBS_DEB_CMD);
759
760 offval = (struct lbs_offset_value *)pdata_buf;
761
762 switch (le16_to_cpu(cmdptr->command)) {
763 case CMD_MAC_REG_ACCESS:
764 {
765 struct cmd_ds_mac_reg_access *macreg;
766
767 cmdptr->size =
768 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
769 + S_DS_GEN);
770 macreg =
771 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
772 macreg;
773
774 macreg->action = cpu_to_le16(cmd_action);
775 macreg->offset = cpu_to_le16((u16) offval->offset);
776 macreg->value = cpu_to_le32(offval->value);
777
778 break;
779 }
780
781 case CMD_BBP_REG_ACCESS:
782 {
783 struct cmd_ds_bbp_reg_access *bbpreg;
784
785 cmdptr->size =
786 cpu_to_le16(sizeof
787 (struct cmd_ds_bbp_reg_access)
788 + S_DS_GEN);
789 bbpreg =
790 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
791 bbpreg;
792
793 bbpreg->action = cpu_to_le16(cmd_action);
794 bbpreg->offset = cpu_to_le16((u16) offval->offset);
795 bbpreg->value = (u8) offval->value;
796
797 break;
798 }
799
800 case CMD_RF_REG_ACCESS:
801 {
802 struct cmd_ds_rf_reg_access *rfreg;
803
804 cmdptr->size =
805 cpu_to_le16(sizeof
806 (struct cmd_ds_rf_reg_access) +
807 S_DS_GEN);
808 rfreg =
809 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
810 rfreg;
811
812 rfreg->action = cpu_to_le16(cmd_action);
813 rfreg->offset = cpu_to_le16((u16) offval->offset);
814 rfreg->value = (u8) offval->value;
815
816 break;
817 }
818
819 default:
820 break;
821 }
822
823 lbs_deb_leave(LBS_DEB_CMD);
824 return 0;
825 }
826
827 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
828 struct cmd_ds_command *cmd,
829 u16 cmd_action)
830 {
831 struct lbs_adapter *adapter = priv->adapter;
832
833 lbs_deb_enter(LBS_DEB_CMD);
834 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
835 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
836 S_DS_GEN);
837 cmd->result = 0;
838
839 cmd->params.macadd.action = cpu_to_le16(cmd_action);
840
841 if (cmd_action == CMD_ACT_SET) {
842 memcpy(cmd->params.macadd.macadd,
843 adapter->current_addr, ETH_ALEN);
844 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", adapter->current_addr, 6);
845 }
846
847 lbs_deb_leave(LBS_DEB_CMD);
848 return 0;
849 }
850
851 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
852 struct cmd_ds_command *cmd,
853 int cmd_action, void *pdata_buf)
854 {
855 struct lbs_ioctl_regrdwr *ea = pdata_buf;
856
857 lbs_deb_enter(LBS_DEB_CMD);
858
859 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
860 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
861 S_DS_GEN);
862 cmd->result = 0;
863
864 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
865 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
866 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
867 cmd->params.rdeeprom.value = 0;
868
869 lbs_deb_leave(LBS_DEB_CMD);
870 return 0;
871 }
872
873 static int lbs_cmd_bt_access(struct lbs_private *priv,
874 struct cmd_ds_command *cmd,
875 u16 cmd_action, void *pdata_buf)
876 {
877 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
878 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
879
880 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
881 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
882 cmd->result = 0;
883 bt_access->action = cpu_to_le16(cmd_action);
884
885 switch (cmd_action) {
886 case CMD_ACT_BT_ACCESS_ADD:
887 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
888 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
889 break;
890 case CMD_ACT_BT_ACCESS_DEL:
891 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
892 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
893 break;
894 case CMD_ACT_BT_ACCESS_LIST:
895 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
896 break;
897 case CMD_ACT_BT_ACCESS_RESET:
898 break;
899 case CMD_ACT_BT_ACCESS_SET_INVERT:
900 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
901 break;
902 case CMD_ACT_BT_ACCESS_GET_INVERT:
903 break;
904 default:
905 break;
906 }
907 lbs_deb_leave(LBS_DEB_CMD);
908 return 0;
909 }
910
911 static int lbs_cmd_fwt_access(struct lbs_private *priv,
912 struct cmd_ds_command *cmd,
913 u16 cmd_action, void *pdata_buf)
914 {
915 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
916 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
917
918 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
919 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
920 cmd->result = 0;
921
922 if (pdata_buf)
923 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
924 else
925 memset(fwt_access, 0, sizeof(*fwt_access));
926
927 fwt_access->action = cpu_to_le16(cmd_action);
928
929 lbs_deb_leave(LBS_DEB_CMD);
930 return 0;
931 }
932
933 static int lbs_cmd_mesh_access(struct lbs_private *priv,
934 struct cmd_ds_command *cmd,
935 u16 cmd_action, void *pdata_buf)
936 {
937 struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
938 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
939
940 cmd->command = cpu_to_le16(CMD_MESH_ACCESS);
941 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
942 cmd->result = 0;
943
944 if (pdata_buf)
945 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
946 else
947 memset(mesh_access, 0, sizeof(*mesh_access));
948
949 mesh_access->action = cpu_to_le16(cmd_action);
950
951 lbs_deb_leave(LBS_DEB_CMD);
952 return 0;
953 }
954
955 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
956 struct cmd_ds_command *cmd,
957 u16 cmd_action)
958 {
959 struct cmd_ds_802_11_beacon_control
960 *bcn_ctrl = &cmd->params.bcn_ctrl;
961 struct lbs_adapter *adapter = priv->adapter;
962
963 lbs_deb_enter(LBS_DEB_CMD);
964 cmd->size =
965 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
966 + S_DS_GEN);
967 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
968
969 bcn_ctrl->action = cpu_to_le16(cmd_action);
970 bcn_ctrl->beacon_enable = cpu_to_le16(adapter->beacon_enable);
971 bcn_ctrl->beacon_period = cpu_to_le16(adapter->beacon_period);
972
973 lbs_deb_leave(LBS_DEB_CMD);
974 return 0;
975 }
976
977 /*
978 * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
979 * the command timer, because it does not account for queued commands.
980 */
981 void lbs_queue_cmd(struct lbs_adapter *adapter,
982 struct cmd_ctrl_node *cmdnode,
983 u8 addtail)
984 {
985 unsigned long flags;
986 struct cmd_ds_command *cmdptr;
987
988 lbs_deb_enter(LBS_DEB_HOST);
989
990 if (!cmdnode) {
991 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
992 goto done;
993 }
994
995 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
996 if (!cmdptr) {
997 lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n");
998 goto done;
999 }
1000
1001 /* Exit_PS command needs to be queued in the header always. */
1002 if (le16_to_cpu(cmdptr->command) == CMD_802_11_PS_MODE) {
1003 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
1004 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1005 if (adapter->psstate != PS_STATE_FULL_POWER)
1006 addtail = 0;
1007 }
1008 }
1009
1010 spin_lock_irqsave(&adapter->driver_lock, flags);
1011
1012 if (addtail) {
1013 list_add_tail(&cmdnode->list, &adapter->cmdpendingq);
1014 adapter->nr_cmd_pending++;
1015 } else
1016 list_add(&cmdnode->list, &adapter->cmdpendingq);
1017
1018 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1019
1020 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1021 le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
1022
1023 done:
1024 lbs_deb_leave(LBS_DEB_HOST);
1025 }
1026
1027 /*
1028 * TODO: Fix the issue when DownloadcommandToStation is being called the
1029 * second time when the command times out. All the cmdptr->xxx are in little
1030 * endian and therefore all the comparissions will fail.
1031 * For now - we are not performing the endian conversion the second time - but
1032 * for PS and DEEP_SLEEP we need to worry
1033 */
1034 static int DownloadcommandToStation(struct lbs_private *priv,
1035 struct cmd_ctrl_node *cmdnode)
1036 {
1037 unsigned long flags;
1038 struct cmd_ds_command *cmdptr;
1039 struct lbs_adapter *adapter = priv->adapter;
1040 int ret = -1;
1041 u16 cmdsize;
1042 u16 command;
1043
1044 lbs_deb_enter(LBS_DEB_HOST);
1045
1046 if (!adapter || !cmdnode) {
1047 lbs_deb_host("DNLD_CMD: adapter or cmdmode is NULL\n");
1048 goto done;
1049 }
1050
1051 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1052
1053 spin_lock_irqsave(&adapter->driver_lock, flags);
1054 if (!cmdptr || !cmdptr->size) {
1055 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1056 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1057 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1058 goto done;
1059 }
1060
1061 adapter->cur_cmd = cmdnode;
1062 adapter->cur_cmd_retcode = 0;
1063 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1064
1065 cmdsize = le16_to_cpu(cmdptr->size);
1066 command = le16_to_cpu(cmdptr->command);
1067
1068 lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1069 command, cmdsize, jiffies);
1070 lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
1071
1072 cmdnode->cmdwaitqwoken = 0;
1073
1074 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1075
1076 if (ret != 0) {
1077 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1078 spin_lock_irqsave(&adapter->driver_lock, flags);
1079 adapter->cur_cmd_retcode = ret;
1080 __lbs_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1081 adapter->nr_cmd_pending--;
1082 adapter->cur_cmd = NULL;
1083 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1084 goto done;
1085 }
1086
1087 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1088
1089 /* Setup the timer after transmit command */
1090 if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1091 || command == CMD_802_11_ASSOCIATE)
1092 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1093 else
1094 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1095
1096 ret = 0;
1097
1098 done:
1099 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1100 return ret;
1101 }
1102
1103 static int lbs_cmd_mac_control(struct lbs_private *priv,
1104 struct cmd_ds_command *cmd)
1105 {
1106 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1107
1108 lbs_deb_enter(LBS_DEB_CMD);
1109
1110 cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1111 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1112 mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1113
1114 lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1115 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1116
1117 lbs_deb_leave(LBS_DEB_CMD);
1118 return 0;
1119 }
1120
1121 /**
1122 * This function inserts command node to cmdfreeq
1123 * after cleans it. Requires adapter->driver_lock held.
1124 */
1125 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1126 struct cmd_ctrl_node *ptempcmd)
1127 {
1128 struct lbs_adapter *adapter = priv->adapter;
1129
1130 if (!ptempcmd)
1131 return;
1132
1133 cleanup_cmdnode(ptempcmd);
1134 list_add_tail(&ptempcmd->list, &adapter->cmdfreeq);
1135 }
1136
1137 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1138 struct cmd_ctrl_node *ptempcmd)
1139 {
1140 unsigned long flags;
1141
1142 spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1143 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1144 spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1145 }
1146
1147 int lbs_set_radio_control(struct lbs_private *priv)
1148 {
1149 int ret = 0;
1150
1151 lbs_deb_enter(LBS_DEB_CMD);
1152
1153 ret = lbs_prepare_and_send_command(priv,
1154 CMD_802_11_RADIO_CONTROL,
1155 CMD_ACT_SET,
1156 CMD_OPTION_WAITFORRSP, 0, NULL);
1157
1158 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1159 priv->adapter->radioon, priv->adapter->preamble);
1160
1161 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1162 return ret;
1163 }
1164
1165 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1166 {
1167 int ret = 0;
1168
1169 lbs_deb_enter(LBS_DEB_CMD);
1170
1171 /* Send MAC control command to station */
1172 ret = lbs_prepare_and_send_command(priv,
1173 CMD_MAC_CONTROL, 0, 0, 0, NULL);
1174
1175 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1176 return ret;
1177 }
1178
1179 /**
1180 * @brief This function prepare the command before send to firmware.
1181 *
1182 * @param priv A pointer to struct lbs_private structure
1183 * @param cmd_no command number
1184 * @param cmd_action command action: GET or SET
1185 * @param wait_option wait option: wait response or not
1186 * @param cmd_oid cmd oid: treated as sub command
1187 * @param pdata_buf A pointer to informaion buffer
1188 * @return 0 or -1
1189 */
1190 int lbs_prepare_and_send_command(struct lbs_private *priv,
1191 u16 cmd_no,
1192 u16 cmd_action,
1193 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1194 {
1195 int ret = 0;
1196 struct lbs_adapter *adapter = priv->adapter;
1197 struct cmd_ctrl_node *cmdnode;
1198 struct cmd_ds_command *cmdptr;
1199 unsigned long flags;
1200
1201 lbs_deb_enter(LBS_DEB_HOST);
1202
1203 if (!adapter) {
1204 lbs_deb_host("PREP_CMD: adapter is NULL\n");
1205 ret = -1;
1206 goto done;
1207 }
1208
1209 if (adapter->surpriseremoved) {
1210 lbs_deb_host("PREP_CMD: card removed\n");
1211 ret = -1;
1212 goto done;
1213 }
1214
1215 cmdnode = lbs_get_cmd_ctrl_node(priv);
1216
1217 if (cmdnode == NULL) {
1218 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1219
1220 /* Wake up main thread to execute next command */
1221 wake_up_interruptible(&priv->waitq);
1222 ret = -1;
1223 goto done;
1224 }
1225
1226 lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1227
1228 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1229
1230 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1231
1232 if (!cmdptr) {
1233 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1234 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1235 ret = -1;
1236 goto done;
1237 }
1238
1239 /* Set sequence number, command and INT option */
1240 adapter->seqnum++;
1241 cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1242
1243 cmdptr->command = cpu_to_le16(cmd_no);
1244 cmdptr->result = 0;
1245
1246 switch (cmd_no) {
1247 case CMD_GET_HW_SPEC:
1248 ret = lbs_cmd_hw_spec(priv, cmdptr);
1249 break;
1250 case CMD_802_11_PS_MODE:
1251 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1252 break;
1253
1254 case CMD_802_11_SCAN:
1255 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1256 break;
1257
1258 case CMD_MAC_CONTROL:
1259 ret = lbs_cmd_mac_control(priv, cmdptr);
1260 break;
1261
1262 case CMD_802_11_ASSOCIATE:
1263 case CMD_802_11_REASSOCIATE:
1264 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1265 break;
1266
1267 case CMD_802_11_DEAUTHENTICATE:
1268 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1269 break;
1270
1271 case CMD_802_11_SET_WEP:
1272 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1273 break;
1274
1275 case CMD_802_11_AD_HOC_START:
1276 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1277 break;
1278 case CMD_CODE_DNLD:
1279 break;
1280
1281 case CMD_802_11_RESET:
1282 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1283 break;
1284
1285 case CMD_802_11_GET_LOG:
1286 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1287 break;
1288
1289 case CMD_802_11_AUTHENTICATE:
1290 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1291 break;
1292
1293 case CMD_802_11_GET_STAT:
1294 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1295 break;
1296
1297 case CMD_802_11_SNMP_MIB:
1298 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1299 cmd_action, cmd_oid, pdata_buf);
1300 break;
1301
1302 case CMD_MAC_REG_ACCESS:
1303 case CMD_BBP_REG_ACCESS:
1304 case CMD_RF_REG_ACCESS:
1305 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1306 break;
1307
1308 case CMD_802_11_RF_CHANNEL:
1309 ret = lbs_cmd_802_11_rf_channel(priv, cmdptr,
1310 cmd_action, pdata_buf);
1311 break;
1312
1313 case CMD_802_11_RF_TX_POWER:
1314 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1315 cmd_action, pdata_buf);
1316 break;
1317
1318 case CMD_802_11_RADIO_CONTROL:
1319 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1320 break;
1321
1322 case CMD_802_11_DATA_RATE:
1323 ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1324 break;
1325 case CMD_802_11_RATE_ADAPT_RATESET:
1326 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1327 cmdptr, cmd_action);
1328 break;
1329
1330 case CMD_MAC_MULTICAST_ADR:
1331 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1332 break;
1333
1334 case CMD_802_11_MONITOR_MODE:
1335 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1336 cmd_action, pdata_buf);
1337 break;
1338
1339 case CMD_802_11_AD_HOC_JOIN:
1340 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1341 break;
1342
1343 case CMD_802_11_RSSI:
1344 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1345 break;
1346
1347 case CMD_802_11_AD_HOC_STOP:
1348 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1349 break;
1350
1351 case CMD_802_11_ENABLE_RSN:
1352 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1353 pdata_buf);
1354 break;
1355
1356 case CMD_802_11_KEY_MATERIAL:
1357 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1358 cmd_oid, pdata_buf);
1359 break;
1360
1361 case CMD_802_11_PAIRWISE_TSC:
1362 break;
1363 case CMD_802_11_GROUP_TSC:
1364 break;
1365
1366 case CMD_802_11_MAC_ADDRESS:
1367 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1368 break;
1369
1370 case CMD_802_11_EEPROM_ACCESS:
1371 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1372 cmd_action, pdata_buf);
1373 break;
1374
1375 case CMD_802_11_SET_AFC:
1376 case CMD_802_11_GET_AFC:
1377
1378 cmdptr->command = cpu_to_le16(cmd_no);
1379 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1380 S_DS_GEN);
1381
1382 memmove(&cmdptr->params.afc,
1383 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1384
1385 ret = 0;
1386 goto done;
1387
1388 case CMD_802_11D_DOMAIN_INFO:
1389 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1390 cmd_no, cmd_action);
1391 break;
1392
1393 case CMD_802_11_SLEEP_PARAMS:
1394 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1395 break;
1396 case CMD_802_11_INACTIVITY_TIMEOUT:
1397 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1398 cmd_action, pdata_buf);
1399 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1400 break;
1401
1402 case CMD_802_11_TPC_CFG:
1403 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1404 cmdptr->size =
1405 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1406 S_DS_GEN);
1407
1408 memmove(&cmdptr->params.tpccfg,
1409 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1410
1411 ret = 0;
1412 break;
1413 case CMD_802_11_LED_GPIO_CTRL:
1414 {
1415 struct mrvlietypes_ledgpio *gpio =
1416 (struct mrvlietypes_ledgpio*)
1417 cmdptr->params.ledgpio.data;
1418
1419 memmove(&cmdptr->params.ledgpio,
1420 pdata_buf,
1421 sizeof(struct cmd_ds_802_11_led_ctrl));
1422
1423 cmdptr->command =
1424 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1425
1426 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1427 cmdptr->size =
1428 cpu_to_le16(le16_to_cpu(gpio->header.len)
1429 + S_DS_GEN
1430 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1431 gpio->header.len = gpio->header.len;
1432
1433 ret = 0;
1434 break;
1435 }
1436 case CMD_802_11_SUBSCRIBE_EVENT:
1437 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1438 cmd_action, pdata_buf);
1439 break;
1440 case CMD_802_11_PWR_CFG:
1441 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1442 cmdptr->size =
1443 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1444 S_DS_GEN);
1445 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1446 sizeof(struct cmd_ds_802_11_pwr_cfg));
1447
1448 ret = 0;
1449 break;
1450 case CMD_BT_ACCESS:
1451 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1452 break;
1453
1454 case CMD_FWT_ACCESS:
1455 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1456 break;
1457
1458 case CMD_MESH_ACCESS:
1459 ret = lbs_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1460 break;
1461
1462 case CMD_GET_TSF:
1463 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1464 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1465 S_DS_GEN);
1466 ret = 0;
1467 break;
1468 case CMD_802_11_BEACON_CTRL:
1469 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1470 break;
1471 default:
1472 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1473 ret = -1;
1474 break;
1475 }
1476
1477 /* return error, since the command preparation failed */
1478 if (ret != 0) {
1479 lbs_deb_host("PREP_CMD: command preparation failed\n");
1480 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1481 ret = -1;
1482 goto done;
1483 }
1484
1485 cmdnode->cmdwaitqwoken = 0;
1486
1487 lbs_queue_cmd(adapter, cmdnode, 1);
1488 wake_up_interruptible(&priv->waitq);
1489
1490 if (wait_option & CMD_OPTION_WAITFORRSP) {
1491 lbs_deb_host("PREP_CMD: wait for response\n");
1492 might_sleep();
1493 wait_event_interruptible(cmdnode->cmdwait_q,
1494 cmdnode->cmdwaitqwoken);
1495 }
1496
1497 spin_lock_irqsave(&adapter->driver_lock, flags);
1498 if (adapter->cur_cmd_retcode) {
1499 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1500 adapter->cur_cmd_retcode);
1501 adapter->cur_cmd_retcode = 0;
1502 ret = -1;
1503 }
1504 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1505
1506 done:
1507 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1508 return ret;
1509 }
1510 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1511
1512 /**
1513 * @brief This function allocates the command buffer and link
1514 * it to command free queue.
1515 *
1516 * @param priv A pointer to struct lbs_private structure
1517 * @return 0 or -1
1518 */
1519 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1520 {
1521 int ret = 0;
1522 u32 ulbufsize;
1523 u32 i;
1524 struct cmd_ctrl_node *tempcmd_array;
1525 u8 *ptempvirtualaddr;
1526 struct lbs_adapter *adapter = priv->adapter;
1527
1528 lbs_deb_enter(LBS_DEB_HOST);
1529
1530 /* Allocate and initialize cmdCtrlNode */
1531 ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1532
1533 if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1534 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1535 ret = -1;
1536 goto done;
1537 }
1538 adapter->cmd_array = tempcmd_array;
1539
1540 /* Allocate and initialize command buffers */
1541 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1542 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1543 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1544 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1545 ret = -1;
1546 goto done;
1547 }
1548
1549 /* Update command buffer virtual */
1550 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1551 }
1552
1553 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1554 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1555 lbs_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1556 }
1557
1558 ret = 0;
1559
1560 done:
1561 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1562 return ret;
1563 }
1564
1565 /**
1566 * @brief This function frees the command buffer.
1567 *
1568 * @param priv A pointer to struct lbs_private structure
1569 * @return 0 or -1
1570 */
1571 int lbs_free_cmd_buffer(struct lbs_private *priv)
1572 {
1573 u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1574 unsigned int i;
1575 struct cmd_ctrl_node *tempcmd_array;
1576 struct lbs_adapter *adapter = priv->adapter;
1577
1578 lbs_deb_enter(LBS_DEB_HOST);
1579
1580 /* need to check if cmd array is allocated or not */
1581 if (adapter->cmd_array == NULL) {
1582 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1583 goto done;
1584 }
1585
1586 tempcmd_array = adapter->cmd_array;
1587
1588 /* Release shared memory buffers */
1589 ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1590 for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1591 if (tempcmd_array[i].bufvirtualaddr) {
1592 kfree(tempcmd_array[i].bufvirtualaddr);
1593 tempcmd_array[i].bufvirtualaddr = NULL;
1594 }
1595 }
1596
1597 /* Release cmd_ctrl_node */
1598 if (adapter->cmd_array) {
1599 kfree(adapter->cmd_array);
1600 adapter->cmd_array = NULL;
1601 }
1602
1603 done:
1604 lbs_deb_leave(LBS_DEB_HOST);
1605 return 0;
1606 }
1607
1608 /**
1609 * @brief This function gets a free command node if available in
1610 * command free queue.
1611 *
1612 * @param priv A pointer to struct lbs_private structure
1613 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1614 */
1615 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1616 {
1617 struct cmd_ctrl_node *tempnode;
1618 struct lbs_adapter *adapter = priv->adapter;
1619 unsigned long flags;
1620
1621 lbs_deb_enter(LBS_DEB_HOST);
1622
1623 if (!adapter)
1624 return NULL;
1625
1626 spin_lock_irqsave(&adapter->driver_lock, flags);
1627
1628 if (!list_empty(&adapter->cmdfreeq)) {
1629 tempnode = list_first_entry(&adapter->cmdfreeq,
1630 struct cmd_ctrl_node, list);
1631 list_del(&tempnode->list);
1632 } else {
1633 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1634 tempnode = NULL;
1635 }
1636
1637 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1638
1639 if (tempnode)
1640 cleanup_cmdnode(tempnode);
1641
1642 lbs_deb_leave(LBS_DEB_HOST);
1643 return tempnode;
1644 }
1645
1646 /**
1647 * @brief This function cleans command node.
1648 *
1649 * @param ptempnode A pointer to cmdCtrlNode structure
1650 * @return n/a
1651 */
1652 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1653 {
1654 lbs_deb_enter(LBS_DEB_HOST);
1655
1656 if (!ptempnode)
1657 return;
1658 ptempnode->cmdwaitqwoken = 1;
1659 wake_up_interruptible(&ptempnode->cmdwait_q);
1660 ptempnode->wait_option = 0;
1661 ptempnode->pdata_buf = NULL;
1662 ptempnode->pdata_size = NULL;
1663 ptempnode->callback = NULL;
1664
1665 if (ptempnode->bufvirtualaddr != NULL)
1666 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1667
1668 lbs_deb_leave(LBS_DEB_HOST);
1669 }
1670
1671 /**
1672 * @brief This function initializes the command node.
1673 *
1674 * @param priv A pointer to struct lbs_private structure
1675 * @param ptempnode A pointer to cmd_ctrl_node structure
1676 * @param wait_option wait option: wait response or not
1677 * @param pdata_buf A pointer to informaion buffer
1678 * @return 0 or -1
1679 */
1680 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1681 struct cmd_ctrl_node *ptempnode,
1682 u16 wait_option, void *pdata_buf)
1683 {
1684 lbs_deb_enter(LBS_DEB_HOST);
1685
1686 if (!ptempnode)
1687 return;
1688
1689 ptempnode->wait_option = wait_option;
1690 ptempnode->pdata_buf = pdata_buf;
1691 ptempnode->pdata_size = NULL;
1692 ptempnode->callback = NULL;
1693
1694 lbs_deb_leave(LBS_DEB_HOST);
1695 }
1696
1697 /**
1698 * @brief This function executes next command in command
1699 * pending queue. It will put fimware back to PS mode
1700 * if applicable.
1701 *
1702 * @param priv A pointer to struct lbs_private structure
1703 * @return 0 or -1
1704 */
1705 int lbs_execute_next_command(struct lbs_private *priv)
1706 {
1707 struct lbs_adapter *adapter = priv->adapter;
1708 struct cmd_ctrl_node *cmdnode = NULL;
1709 struct cmd_ds_command *cmdptr;
1710 unsigned long flags;
1711 int ret = 0;
1712
1713 // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1714 // only caller to us is lbs_thread() and we get even when a
1715 // data packet is received
1716 lbs_deb_enter(LBS_DEB_THREAD);
1717
1718 spin_lock_irqsave(&adapter->driver_lock, flags);
1719
1720 if (adapter->cur_cmd) {
1721 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1722 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1723 ret = -1;
1724 goto done;
1725 }
1726
1727 if (!list_empty(&adapter->cmdpendingq)) {
1728 cmdnode = list_first_entry(&adapter->cmdpendingq,
1729 struct cmd_ctrl_node, list);
1730 }
1731
1732 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1733
1734 if (cmdnode) {
1735 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1736
1737 if (is_command_allowed_in_ps(cmdptr->command)) {
1738 if ((adapter->psstate == PS_STATE_SLEEP) ||
1739 (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1740 lbs_deb_host(
1741 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1742 le16_to_cpu(cmdptr->command),
1743 adapter->psstate);
1744 ret = -1;
1745 goto done;
1746 }
1747 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1748 "0x%04x in psstate %d\n",
1749 le16_to_cpu(cmdptr->command),
1750 adapter->psstate);
1751 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1752 /*
1753 * 1. Non-PS command:
1754 * Queue it. set needtowakeup to TRUE if current state
1755 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1756 * 2. PS command but not Exit_PS:
1757 * Ignore it.
1758 * 3. PS command Exit_PS:
1759 * Set needtowakeup to TRUE if current state is SLEEP,
1760 * otherwise send this command down to firmware
1761 * immediately.
1762 */
1763 if (cmdptr->command !=
1764 cpu_to_le16(CMD_802_11_PS_MODE)) {
1765 /* Prepare to send Exit PS,
1766 * this non PS command will be sent later */
1767 if ((adapter->psstate == PS_STATE_SLEEP)
1768 || (adapter->psstate == PS_STATE_PRE_SLEEP)
1769 ) {
1770 /* w/ new scheme, it will not reach here.
1771 since it is blocked in main_thread. */
1772 adapter->needtowakeup = 1;
1773 } else
1774 lbs_ps_wakeup(priv, 0);
1775
1776 ret = 0;
1777 goto done;
1778 } else {
1779 /*
1780 * PS command. Ignore it if it is not Exit_PS.
1781 * otherwise send it down immediately.
1782 */
1783 struct cmd_ds_802_11_ps_mode *psm =
1784 &cmdptr->params.psmode;
1785
1786 lbs_deb_host(
1787 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1788 psm->action);
1789 if (psm->action !=
1790 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1791 lbs_deb_host(
1792 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1793 list_del(&cmdnode->list);
1794 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1795
1796 ret = 0;
1797 goto done;
1798 }
1799
1800 if ((adapter->psstate == PS_STATE_SLEEP) ||
1801 (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1802 lbs_deb_host(
1803 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1804 list_del(&cmdnode->list);
1805 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1806 adapter->needtowakeup = 1;
1807
1808 ret = 0;
1809 goto done;
1810 }
1811
1812 lbs_deb_host(
1813 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1814 }
1815 }
1816 list_del(&cmdnode->list);
1817 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1818 le16_to_cpu(cmdptr->command));
1819 DownloadcommandToStation(priv, cmdnode);
1820 } else {
1821 /*
1822 * check if in power save mode, if yes, put the device back
1823 * to PS mode
1824 */
1825 if ((adapter->psmode != LBS802_11POWERMODECAM) &&
1826 (adapter->psstate == PS_STATE_FULL_POWER) &&
1827 ((adapter->connect_status == LBS_CONNECTED) ||
1828 (adapter->mesh_connect_status == LBS_CONNECTED))) {
1829 if (adapter->secinfo.WPAenabled ||
1830 adapter->secinfo.WPA2enabled) {
1831 /* check for valid WPA group keys */
1832 if (adapter->wpa_mcast_key.len ||
1833 adapter->wpa_unicast_key.len) {
1834 lbs_deb_host(
1835 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1836 " go back to PS_SLEEP");
1837 lbs_ps_sleep(priv, 0);
1838 }
1839 } else {
1840 lbs_deb_host(
1841 "EXEC_NEXT_CMD: cmdpendingq empty, "
1842 "go back to PS_SLEEP");
1843 lbs_ps_sleep(priv, 0);
1844 }
1845 }
1846 }
1847
1848 ret = 0;
1849 done:
1850 lbs_deb_leave(LBS_DEB_THREAD);
1851 return ret;
1852 }
1853
1854 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1855 {
1856 union iwreq_data iwrq;
1857 u8 buf[50];
1858
1859 lbs_deb_enter(LBS_DEB_WEXT);
1860
1861 memset(&iwrq, 0, sizeof(union iwreq_data));
1862 memset(buf, 0, sizeof(buf));
1863
1864 snprintf(buf, sizeof(buf) - 1, "%s", str);
1865
1866 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1867
1868 /* Send Event to upper layer */
1869 lbs_deb_wext("event indication string %s\n", (char *)buf);
1870 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1871 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1872
1873 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1874
1875 lbs_deb_leave(LBS_DEB_WEXT);
1876 }
1877
1878 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1879 {
1880 unsigned long flags;
1881 struct lbs_adapter *adapter = priv->adapter;
1882 int ret = 0;
1883
1884 lbs_deb_enter(LBS_DEB_HOST);
1885
1886 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1887 size);
1888
1889 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1890
1891 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1892 priv->dnld_sent = DNLD_RES_RECEIVED;
1893
1894 spin_lock_irqsave(&adapter->driver_lock, flags);
1895 if (adapter->intcounter || adapter->currenttxskb)
1896 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1897 adapter->intcounter, adapter->currenttxskb);
1898 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1899
1900 if (ret) {
1901 lbs_pr_alert(
1902 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1903 } else {
1904 spin_lock_irqsave(&adapter->driver_lock, flags);
1905 if (!adapter->intcounter) {
1906 adapter->psstate = PS_STATE_SLEEP;
1907 } else {
1908 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1909 adapter->intcounter);
1910 }
1911 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1912
1913 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1914 }
1915
1916 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1917 return ret;
1918 }
1919
1920 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1921 {
1922 lbs_deb_enter(LBS_DEB_HOST);
1923
1924 /*
1925 * PS is currently supported only in Infrastructure mode
1926 * Remove this check if it is to be supported in IBSS mode also
1927 */
1928
1929 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1930 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1931
1932 lbs_deb_leave(LBS_DEB_HOST);
1933 }
1934
1935 /**
1936 * @brief This function sends Exit_PS command to firmware.
1937 *
1938 * @param priv A pointer to struct lbs_private structure
1939 * @param wait_option wait response or not
1940 * @return n/a
1941 */
1942 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1943 {
1944 __le32 Localpsmode;
1945
1946 lbs_deb_enter(LBS_DEB_HOST);
1947
1948 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1949
1950 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1951 CMD_SUBCMD_EXIT_PS,
1952 wait_option, 0, &Localpsmode);
1953
1954 lbs_deb_leave(LBS_DEB_HOST);
1955 }
1956
1957 /**
1958 * @brief This function checks condition and prepares to
1959 * send sleep confirm command to firmware if ok.
1960 *
1961 * @param priv A pointer to struct lbs_private structure
1962 * @param psmode Power Saving mode
1963 * @return n/a
1964 */
1965 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1966 {
1967 unsigned long flags =0;
1968 struct lbs_adapter *adapter = priv->adapter;
1969 u8 allowed = 1;
1970
1971 lbs_deb_enter(LBS_DEB_HOST);
1972
1973 if (priv->dnld_sent) {
1974 allowed = 0;
1975 lbs_deb_host("dnld_sent was set");
1976 }
1977
1978 spin_lock_irqsave(&adapter->driver_lock, flags);
1979 if (adapter->cur_cmd) {
1980 allowed = 0;
1981 lbs_deb_host("cur_cmd was set");
1982 }
1983 if (adapter->intcounter > 0) {
1984 allowed = 0;
1985 lbs_deb_host("intcounter %d", adapter->intcounter);
1986 }
1987 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1988
1989 if (allowed) {
1990 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1991 sendconfirmsleep(priv, (u8 *) & adapter->lbs_ps_confirm_sleep,
1992 sizeof(struct PS_CMD_ConfirmSleep));
1993 } else {
1994 lbs_deb_host("sleep confirm has been delayed\n");
1995 }
1996
1997 lbs_deb_leave(LBS_DEB_HOST);
1998 }
1999
2000
2001 /**
2002 * @brief Simple way to call firmware functions
2003 *
2004 * @param priv A pointer to struct lbs_private structure
2005 * @param psmode one of the many CMD_802_11_xxxx
2006 * @param cmd pointer to the parameters structure for above command
2007 * (this should not include the command, size, sequence
2008 * and result fields from struct cmd_ds_gen)
2009 * @param cmd_size size structure pointed to by cmd
2010 * @param rsp pointer to an area where the result should be placed
2011 * @param rsp_size pointer to the size of the rsp area. If the firmware
2012 * returns fewer bytes, then this *rsp_size will be
2013 * changed to the actual size.
2014 * @return -1 in case of a higher level error, otherwise
2015 * the result code from the firmware
2016 */
2017
2018 static int lbs_cmd_callback(uint16_t respcmd, struct cmd_ds_command *resp, struct lbs_private *priv)
2019 {
2020 struct cmd_ds_gen *r = (struct cmd_ds_gen *)resp;
2021 struct lbs_adapter *adapter = priv->adapter;
2022 u16 sz = le16_to_cpu(resp->size) - S_DS_GEN;
2023
2024 if (sz > *adapter->cur_cmd->pdata_size) {
2025 lbs_pr_err("response 0x%04x doesn't fit into buffer (%d > %d)\n",
2026 respcmd, sz, *adapter->cur_cmd->pdata_size);
2027 sz = *adapter->cur_cmd->pdata_size;
2028 }
2029 memcpy(adapter->cur_cmd->pdata_buf, r->cmdresp, sz);
2030 *adapter->cur_cmd->pdata_size = sz;
2031
2032 return 0;
2033 }
2034
2035 int lbs_cmd(struct lbs_private *priv, u16 command, void *cmd, int cmd_size,
2036 void *rsp, int *rsp_size)
2037 {
2038 struct lbs_adapter *adapter = priv->adapter;
2039 struct cmd_ctrl_node *cmdnode;
2040 struct cmd_ds_gen *cmdptr;
2041 unsigned long flags;
2042 int ret = 0;
2043
2044 lbs_deb_enter(LBS_DEB_HOST);
2045 lbs_deb_host("rsp at %p, rsp_size at %p\n", rsp, rsp_size);
2046
2047 if (!adapter || !rsp_size) {
2048 lbs_deb_host("PREP_CMD: adapter is NULL\n");
2049 ret = -1;
2050 goto done;
2051 }
2052
2053 if (adapter->surpriseremoved) {
2054 lbs_deb_host("PREP_CMD: card removed\n");
2055 ret = -1;
2056 goto done;
2057 }
2058
2059 cmdnode = lbs_get_cmd_ctrl_node(priv);
2060
2061 if (cmdnode == NULL) {
2062 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2063
2064 /* Wake up main thread to execute next command */
2065 wake_up_interruptible(&priv->waitq);
2066 ret = -1;
2067 goto done;
2068 }
2069
2070 cmdptr = (struct cmd_ds_gen *)cmdnode->bufvirtualaddr;
2071 cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2072 cmdnode->pdata_buf = rsp;
2073 cmdnode->pdata_size = rsp_size;
2074 cmdnode->callback = lbs_cmd_callback;
2075
2076 /* Set sequence number, clean result, move to buffer */
2077 adapter->seqnum++;
2078 cmdptr->command = cpu_to_le16(command);
2079 cmdptr->size = cpu_to_le16(cmd_size + S_DS_GEN);
2080 cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
2081 cmdptr->result = 0;
2082 memcpy(cmdptr->cmdresp, cmd, cmd_size);
2083
2084 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2085
2086 /* here was the big old switch() statement, which is now obsolete,
2087 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2088
2089 cmdnode->cmdwaitqwoken = 0;
2090 lbs_queue_cmd(adapter, cmdnode, 1);
2091 wake_up_interruptible(&priv->waitq);
2092
2093 might_sleep();
2094 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2095
2096 spin_lock_irqsave(&adapter->driver_lock, flags);
2097 if (adapter->cur_cmd_retcode) {
2098 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2099 adapter->cur_cmd_retcode);
2100 adapter->cur_cmd_retcode = 0;
2101 ret = -1;
2102 }
2103 spin_unlock_irqrestore(&adapter->driver_lock, flags);
2104
2105 done:
2106 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2107 return ret;
2108 }
2109 EXPORT_SYMBOL_GPL(lbs_cmd);
2110
2111
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