dde17c65bccd429b475b46f78a49f425dd51609d
[linux-2.6.git] / drivers / net / wireless / libertas / cmd.c
1 /**
2   * This file contains the handling of command.
3   * It prepares command and sends it to firmware when it is ready.
4   */
5
6 #include <net/iw_handler.h>
7 #include "host.h"
8 #include "hostcmd.h"
9 #include "decl.h"
10 #include "defs.h"
11 #include "dev.h"
12 #include "join.h"
13 #include "wext.h"
14
15 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
16
17 static u16 commands_allowed_in_ps[] = {
18         CMD_802_11_RSSI,
19 };
20
21 /**
22  *  @brief This function checks if the commans is allowed
23  *  in PS mode not.
24  *
25  *  @param command the command ID
26  *  @return        TRUE or FALSE
27  */
28 static u8 is_command_allowed_in_ps(__le16 command)
29 {
30         int i;
31
32         for (i = 0; i < ARRAY_SIZE(commands_allowed_in_ps); i++) {
33                 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
34                         return 1;
35         }
36
37         return 0;
38 }
39
40 static int lbs_cmd_hw_spec(struct lbs_private *priv, struct cmd_ds_command *cmd)
41 {
42         struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
43
44         lbs_deb_enter(LBS_DEB_CMD);
45
46         cmd->command = cpu_to_le16(CMD_GET_HW_SPEC);
47         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
48         memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
49
50         lbs_deb_leave(LBS_DEB_CMD);
51         return 0;
52 }
53
54 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
55                                    struct cmd_ds_command *cmd,
56                                    u16 cmd_action)
57 {
58         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
59
60         lbs_deb_enter(LBS_DEB_CMD);
61
62         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
63         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
64                                 S_DS_GEN);
65         psm->action = cpu_to_le16(cmd_action);
66         psm->multipledtim = 0;
67         switch (cmd_action) {
68         case CMD_SUBCMD_ENTER_PS:
69                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
70
71                 psm->locallisteninterval = 0;
72                 psm->nullpktinterval = 0;
73                 psm->multipledtim =
74                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
75                 break;
76
77         case CMD_SUBCMD_EXIT_PS:
78                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
79                 break;
80
81         case CMD_SUBCMD_SLEEP_CONFIRMED:
82                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
83                 break;
84
85         default:
86                 break;
87         }
88
89         lbs_deb_leave(LBS_DEB_CMD);
90         return 0;
91 }
92
93 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
94                                               struct cmd_ds_command *cmd,
95                                               u16 cmd_action, void *pdata_buf)
96 {
97         u16 *timeout = pdata_buf;
98
99         lbs_deb_enter(LBS_DEB_CMD);
100
101         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
102         cmd->size =
103             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
104                              + S_DS_GEN);
105
106         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
107
108         if (cmd_action)
109                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
110         else
111                 cmd->params.inactivity_timeout.timeout = 0;
112
113         lbs_deb_leave(LBS_DEB_CMD);
114         return 0;
115 }
116
117 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
118                                         struct cmd_ds_command *cmd,
119                                         u16 cmd_action)
120 {
121         struct lbs_adapter *adapter = priv->adapter;
122         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
123
124         lbs_deb_enter(LBS_DEB_CMD);
125
126         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
127                                 S_DS_GEN);
128         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
129
130         if (cmd_action == CMD_ACT_GET) {
131                 memset(&adapter->sp, 0, sizeof(struct sleep_params));
132                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
133                 sp->action = cpu_to_le16(cmd_action);
134         } else if (cmd_action == CMD_ACT_SET) {
135                 sp->action = cpu_to_le16(cmd_action);
136                 sp->error = cpu_to_le16(adapter->sp.sp_error);
137                 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
138                 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
139                 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
140                 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
141                 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
142         }
143
144         lbs_deb_leave(LBS_DEB_CMD);
145         return 0;
146 }
147
148 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
149                                    struct cmd_ds_command *cmd,
150                                    u32 cmd_act,
151                                    void * pdata_buf)
152 {
153         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
154         struct lbs_adapter *adapter = priv->adapter;
155         int ret = 0;
156         struct assoc_request * assoc_req = pdata_buf;
157
158         lbs_deb_enter(LBS_DEB_CMD);
159
160         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
161         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
162
163         if (cmd_act == CMD_ACT_ADD) {
164                 int i;
165
166                 if (!assoc_req) {
167                         lbs_deb_cmd("Invalid association request!");
168                         ret = -1;
169                         goto done;
170                 }
171
172                 wep->action = cpu_to_le16(CMD_ACT_ADD);
173
174                 /* default tx key index */
175                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
176                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
177
178                 /* Copy key types and material to host command structure */
179                 for (i = 0; i < 4; i++) {
180                         struct enc_key * pkey = &assoc_req->wep_keys[i];
181
182                         switch (pkey->len) {
183                         case KEY_LEN_WEP_40:
184                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
185                                 memmove(&wep->keymaterial[i], pkey->key,
186                                         pkey->len);
187                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
188                                 break;
189                         case KEY_LEN_WEP_104:
190                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
191                                 memmove(&wep->keymaterial[i], pkey->key,
192                                         pkey->len);
193                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
194                                 break;
195                         case 0:
196                                 break;
197                         default:
198                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
199                                        i, pkey->len);
200                                 ret = -1;
201                                 goto done;
202                                 break;
203                         }
204                 }
205         } else if (cmd_act == CMD_ACT_REMOVE) {
206                 /* ACT_REMOVE clears _all_ WEP keys */
207                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
208
209                 /* default tx key index */
210                 wep->keyindex = cpu_to_le16((u16)(adapter->wep_tx_keyidx &
211                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
212                 lbs_deb_cmd("SET_WEP: remove key %d\n", adapter->wep_tx_keyidx);
213         }
214
215         ret = 0;
216
217 done:
218         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
219         return ret;
220 }
221
222 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
223                                       struct cmd_ds_command *cmd,
224                                       u16 cmd_action,
225                                       void * pdata_buf)
226 {
227         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
228         u32 * enable = pdata_buf;
229
230         lbs_deb_enter(LBS_DEB_CMD);
231
232         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
233         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
234         penableRSN->action = cpu_to_le16(cmd_action);
235
236         if (cmd_action == CMD_ACT_SET) {
237                 if (*enable)
238                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
239                 else
240                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
241                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
242         }
243
244         lbs_deb_leave(LBS_DEB_CMD);
245         return 0;
246 }
247
248
249 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
250                             struct enc_key * pkey)
251 {
252         lbs_deb_enter(LBS_DEB_CMD);
253
254         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
255                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
256         }
257         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
258                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
259         }
260         if (pkey->flags & KEY_INFO_WPA_MCAST) {
261                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
262         }
263
264         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
265         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
266         pkeyparamset->keylen = cpu_to_le16(pkey->len);
267         memcpy(pkeyparamset->key, pkey->key, pkey->len);
268         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
269                                                 + sizeof(pkeyparamset->keyinfo)
270                                                 + sizeof(pkeyparamset->keylen)
271                                                 + sizeof(pkeyparamset->key));
272         lbs_deb_leave(LBS_DEB_CMD);
273 }
274
275 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
276                                         struct cmd_ds_command *cmd,
277                                         u16 cmd_action,
278                                         u32 cmd_oid, void *pdata_buf)
279 {
280         struct cmd_ds_802_11_key_material *pkeymaterial =
281             &cmd->params.keymaterial;
282         struct assoc_request * assoc_req = pdata_buf;
283         int ret = 0;
284         int index = 0;
285
286         lbs_deb_enter(LBS_DEB_CMD);
287
288         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
289         pkeymaterial->action = cpu_to_le16(cmd_action);
290
291         if (cmd_action == CMD_ACT_GET) {
292                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
293                 ret = 0;
294                 goto done;
295         }
296
297         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
298
299         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
300                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
301                                 &assoc_req->wpa_unicast_key);
302                 index++;
303         }
304
305         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
306                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
307                                 &assoc_req->wpa_mcast_key);
308                 index++;
309         }
310
311         cmd->size = cpu_to_le16(  S_DS_GEN
312                                 + sizeof (pkeymaterial->action)
313                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
314
315         ret = 0;
316
317 done:
318         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
319         return ret;
320 }
321
322 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
323                                  struct cmd_ds_command *cmd, int cmd_action)
324 {
325         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
326
327         lbs_deb_enter(LBS_DEB_CMD);
328
329         cmd->command = cpu_to_le16(CMD_802_11_RESET);
330         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
331         reset->action = cpu_to_le16(cmd_action);
332
333         lbs_deb_leave(LBS_DEB_CMD);
334         return 0;
335 }
336
337 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
338                                    struct cmd_ds_command *cmd)
339 {
340         lbs_deb_enter(LBS_DEB_CMD);
341         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
342         cmd->size =
343                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
344
345         lbs_deb_leave(LBS_DEB_CMD);
346         return 0;
347 }
348
349 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
350                                     struct cmd_ds_command *cmd)
351 {
352         lbs_deb_enter(LBS_DEB_CMD);
353         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
354         cmd->size =
355             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
356
357         lbs_deb_leave(LBS_DEB_CMD);
358         return 0;
359 }
360
361 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
362                                     struct cmd_ds_command *cmd,
363                                     int cmd_action,
364                                     int cmd_oid, void *pdata_buf)
365 {
366         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
367         struct lbs_adapter *adapter = priv->adapter;
368         u8 ucTemp;
369
370         lbs_deb_enter(LBS_DEB_CMD);
371
372         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
373
374         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
375         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
376
377         switch (cmd_oid) {
378         case OID_802_11_INFRASTRUCTURE_MODE:
379         {
380                 u8 mode = (u8) (size_t) pdata_buf;
381                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
382                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
383                 pSNMPMIB->bufsize = sizeof(u8);
384                 if (mode == IW_MODE_ADHOC) {
385                         ucTemp = SNMP_MIB_VALUE_ADHOC;
386                 } else {
387                         /* Infra and Auto modes */
388                         ucTemp = SNMP_MIB_VALUE_INFRA;
389                 }
390
391                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
392
393                 break;
394         }
395
396         case OID_802_11D_ENABLE:
397                 {
398                         u32 ulTemp;
399
400                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
401
402                         if (cmd_action == CMD_ACT_SET) {
403                                 pSNMPMIB->querytype = CMD_ACT_SET;
404                                 pSNMPMIB->bufsize = sizeof(u16);
405                                 ulTemp = *(u32 *)pdata_buf;
406                                 *((__le16 *)(pSNMPMIB->value)) =
407                                     cpu_to_le16((u16) ulTemp);
408                         }
409                         break;
410                 }
411
412         case OID_802_11_FRAGMENTATION_THRESHOLD:
413                 {
414                         u32 ulTemp;
415
416                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
417
418                         if (cmd_action == CMD_ACT_GET) {
419                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
420                         } else if (cmd_action == CMD_ACT_SET) {
421                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
422                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
423                                 ulTemp = *((u32 *) pdata_buf);
424                                 *((__le16 *)(pSNMPMIB->value)) =
425                                     cpu_to_le16((u16) ulTemp);
426
427                         }
428
429                         break;
430                 }
431
432         case OID_802_11_RTS_THRESHOLD:
433                 {
434
435                         u32 ulTemp;
436                         pSNMPMIB->oid = le16_to_cpu((u16) RTSTHRESH_I);
437
438                         if (cmd_action == CMD_ACT_GET) {
439                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
440                         } else if (cmd_action == CMD_ACT_SET) {
441                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
442                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
443                                 ulTemp = *((u32 *)pdata_buf);
444                                 *(__le16 *)(pSNMPMIB->value) =
445                                     cpu_to_le16((u16) ulTemp);
446
447                         }
448                         break;
449                 }
450         case OID_802_11_TX_RETRYCOUNT:
451                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
452
453                 if (cmd_action == CMD_ACT_GET) {
454                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
455                 } else if (cmd_action == CMD_ACT_SET) {
456                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
457                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
458                         *((__le16 *)(pSNMPMIB->value)) =
459                             cpu_to_le16((u16) adapter->txretrycount);
460                 }
461
462                 break;
463         default:
464                 break;
465         }
466
467         lbs_deb_cmd(
468                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
469                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
470                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
471
472         lbs_deb_cmd(
473                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
474                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
475                le16_to_cpu(pSNMPMIB->bufsize),
476                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
477
478         lbs_deb_leave(LBS_DEB_CMD);
479         return 0;
480 }
481
482 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
483                                          struct cmd_ds_command *cmd,
484                                          int cmd_action)
485 {
486         struct lbs_adapter *adapter = priv->adapter;
487         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
488
489         lbs_deb_enter(LBS_DEB_CMD);
490
491         cmd->size =
492             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
493                              S_DS_GEN);
494         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
495
496         pradiocontrol->action = cpu_to_le16(cmd_action);
497
498         switch (adapter->preamble) {
499         case CMD_TYPE_SHORT_PREAMBLE:
500                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
501                 break;
502
503         case CMD_TYPE_LONG_PREAMBLE:
504                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
505                 break;
506
507         case CMD_TYPE_AUTO_PREAMBLE:
508         default:
509                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
510                 break;
511         }
512
513         if (adapter->radioon)
514                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
515         else
516                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
517
518         lbs_deb_leave(LBS_DEB_CMD);
519         return 0;
520 }
521
522 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
523                                        struct cmd_ds_command *cmd,
524                                        u16 cmd_action, void *pdata_buf)
525 {
526
527         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
528
529         lbs_deb_enter(LBS_DEB_CMD);
530
531         cmd->size =
532             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
533         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
534         prtp->action = cpu_to_le16(cmd_action);
535
536         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
537                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
538                     le16_to_cpu(prtp->action));
539
540         switch (cmd_action) {
541         case CMD_ACT_TX_POWER_OPT_GET:
542                 prtp->action = cpu_to_le16(CMD_ACT_GET);
543                 prtp->currentlevel = 0;
544                 break;
545
546         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
547                 prtp->action = cpu_to_le16(CMD_ACT_SET);
548                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
549                 break;
550
551         case CMD_ACT_TX_POWER_OPT_SET_MID:
552                 prtp->action = cpu_to_le16(CMD_ACT_SET);
553                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
554                 break;
555
556         case CMD_ACT_TX_POWER_OPT_SET_LOW:
557                 prtp->action = cpu_to_le16(CMD_ACT_SET);
558                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
559                 break;
560         }
561
562         lbs_deb_leave(LBS_DEB_CMD);
563         return 0;
564 }
565
566 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
567                                       struct cmd_ds_command *cmd,
568                                       u16 cmd_action, void *pdata_buf)
569 {
570         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
571
572         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
573         cmd->size =
574             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
575                              S_DS_GEN);
576
577         monitor->action = cpu_to_le16(cmd_action);
578         if (cmd_action == CMD_ACT_SET) {
579                 monitor->mode =
580                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
581         }
582
583         return 0;
584 }
585
586 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
587                                               struct cmd_ds_command *cmd,
588                                               u16 cmd_action)
589 {
590         struct cmd_ds_802_11_rate_adapt_rateset
591         *rateadapt = &cmd->params.rateset;
592         struct lbs_adapter *adapter = priv->adapter;
593
594         lbs_deb_enter(LBS_DEB_CMD);
595         cmd->size =
596             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
597                              + S_DS_GEN);
598         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
599
600         rateadapt->action = cpu_to_le16(cmd_action);
601         rateadapt->enablehwauto = cpu_to_le16(adapter->enablehwauto);
602         rateadapt->bitmap = cpu_to_le16(adapter->ratebitmap);
603
604         lbs_deb_leave(LBS_DEB_CMD);
605         return 0;
606 }
607
608 static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
609                                      struct cmd_ds_command *cmd,
610                                      u16 cmd_action)
611 {
612         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
613         struct lbs_adapter *adapter = priv->adapter;
614
615         lbs_deb_enter(LBS_DEB_CMD);
616
617         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
618                              S_DS_GEN);
619         cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
620         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
621         pdatarate->action = cpu_to_le16(cmd_action);
622
623         if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
624                 pdatarate->rates[0] = lbs_data_rate_to_fw_index(adapter->cur_rate);
625                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
626                        adapter->cur_rate);
627         } else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
628                 lbs_deb_cmd("DATA_RATE: setting auto\n");
629         }
630
631         lbs_deb_leave(LBS_DEB_CMD);
632         return 0;
633 }
634
635 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
636                                       struct cmd_ds_command *cmd,
637                                       u16 cmd_action)
638 {
639         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
640         struct lbs_adapter *adapter = priv->adapter;
641
642         lbs_deb_enter(LBS_DEB_CMD);
643         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
644                              S_DS_GEN);
645         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
646
647         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
648         pMCastAdr->action = cpu_to_le16(cmd_action);
649         pMCastAdr->nr_of_adrs =
650             cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
651         memcpy(pMCastAdr->maclist, adapter->multicastlist,
652                adapter->nr_of_multicastmacaddr * ETH_ALEN);
653
654         lbs_deb_leave(LBS_DEB_CMD);
655         return 0;
656 }
657
658 static int lbs_cmd_802_11_rf_channel(struct lbs_private *priv,
659                                       struct cmd_ds_command *cmd,
660                                       int option, void *pdata_buf)
661 {
662         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
663
664         lbs_deb_enter(LBS_DEB_CMD);
665         cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
666         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
667                                 S_DS_GEN);
668
669         if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
670                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
671         }
672
673         rfchan->action = cpu_to_le16(option);
674
675         lbs_deb_leave(LBS_DEB_CMD);
676         return 0;
677 }
678
679 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
680                                 struct cmd_ds_command *cmd)
681 {
682         struct lbs_adapter *adapter = priv->adapter;
683
684         lbs_deb_enter(LBS_DEB_CMD);
685         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
686         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
687         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
688
689         /* reset Beacon SNR/NF/RSSI values */
690         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
691         adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
692         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
693         adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
694         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
695         adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
696
697         lbs_deb_leave(LBS_DEB_CMD);
698         return 0;
699 }
700
701 static int lbs_cmd_reg_access(struct lbs_private *priv,
702                                struct cmd_ds_command *cmdptr,
703                                u8 cmd_action, void *pdata_buf)
704 {
705         struct lbs_offset_value *offval;
706
707         lbs_deb_enter(LBS_DEB_CMD);
708
709         offval = (struct lbs_offset_value *)pdata_buf;
710
711         switch (cmdptr->command) {
712         case CMD_MAC_REG_ACCESS:
713                 {
714                         struct cmd_ds_mac_reg_access *macreg;
715
716                         cmdptr->size =
717                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
718                                         + S_DS_GEN);
719                         macreg =
720                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
721                             macreg;
722
723                         macreg->action = cpu_to_le16(cmd_action);
724                         macreg->offset = cpu_to_le16((u16) offval->offset);
725                         macreg->value = cpu_to_le32(offval->value);
726
727                         break;
728                 }
729
730         case CMD_BBP_REG_ACCESS:
731                 {
732                         struct cmd_ds_bbp_reg_access *bbpreg;
733
734                         cmdptr->size =
735                             cpu_to_le16(sizeof
736                                              (struct cmd_ds_bbp_reg_access)
737                                              + S_DS_GEN);
738                         bbpreg =
739                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
740                             bbpreg;
741
742                         bbpreg->action = cpu_to_le16(cmd_action);
743                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
744                         bbpreg->value = (u8) offval->value;
745
746                         break;
747                 }
748
749         case CMD_RF_REG_ACCESS:
750                 {
751                         struct cmd_ds_rf_reg_access *rfreg;
752
753                         cmdptr->size =
754                             cpu_to_le16(sizeof
755                                              (struct cmd_ds_rf_reg_access) +
756                                              S_DS_GEN);
757                         rfreg =
758                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
759                             rfreg;
760
761                         rfreg->action = cpu_to_le16(cmd_action);
762                         rfreg->offset = cpu_to_le16((u16) offval->offset);
763                         rfreg->value = (u8) offval->value;
764
765                         break;
766                 }
767
768         default:
769                 break;
770         }
771
772         lbs_deb_leave(LBS_DEB_CMD);
773         return 0;
774 }
775
776 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
777                                        struct cmd_ds_command *cmd,
778                                        u16 cmd_action)
779 {
780         struct lbs_adapter *adapter = priv->adapter;
781
782         lbs_deb_enter(LBS_DEB_CMD);
783         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
784         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
785                              S_DS_GEN);
786         cmd->result = 0;
787
788         cmd->params.macadd.action = cpu_to_le16(cmd_action);
789
790         if (cmd_action == CMD_ACT_SET) {
791                 memcpy(cmd->params.macadd.macadd,
792                        adapter->current_addr, ETH_ALEN);
793                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", adapter->current_addr, 6);
794         }
795
796         lbs_deb_leave(LBS_DEB_CMD);
797         return 0;
798 }
799
800 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
801                                          struct cmd_ds_command *cmd,
802                                          int cmd_action, void *pdata_buf)
803 {
804         struct lbs_ioctl_regrdwr *ea = pdata_buf;
805
806         lbs_deb_enter(LBS_DEB_CMD);
807
808         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
809         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
810                                 S_DS_GEN);
811         cmd->result = 0;
812
813         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
814         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
815         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
816         cmd->params.rdeeprom.value = 0;
817
818         lbs_deb_leave(LBS_DEB_CMD);
819         return 0;
820 }
821
822 static int lbs_cmd_bt_access(struct lbs_private *priv,
823                                struct cmd_ds_command *cmd,
824                                u16 cmd_action, void *pdata_buf)
825 {
826         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
827         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
828
829         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
830         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
831         cmd->result = 0;
832         bt_access->action = cpu_to_le16(cmd_action);
833
834         switch (cmd_action) {
835         case CMD_ACT_BT_ACCESS_ADD:
836                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
837                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
838                 break;
839         case CMD_ACT_BT_ACCESS_DEL:
840                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
841                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
842                 break;
843         case CMD_ACT_BT_ACCESS_LIST:
844                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
845                 break;
846         case CMD_ACT_BT_ACCESS_RESET:
847                 break;
848         case CMD_ACT_BT_ACCESS_SET_INVERT:
849                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
850                 break;
851         case CMD_ACT_BT_ACCESS_GET_INVERT:
852                 break;
853         default:
854                 break;
855         }
856         lbs_deb_leave(LBS_DEB_CMD);
857         return 0;
858 }
859
860 static int lbs_cmd_fwt_access(struct lbs_private *priv,
861                                struct cmd_ds_command *cmd,
862                                u16 cmd_action, void *pdata_buf)
863 {
864         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
865         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
866
867         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
868         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
869         cmd->result = 0;
870
871         if (pdata_buf)
872                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
873         else
874                 memset(fwt_access, 0, sizeof(*fwt_access));
875
876         fwt_access->action = cpu_to_le16(cmd_action);
877
878         lbs_deb_leave(LBS_DEB_CMD);
879         return 0;
880 }
881
882 static int lbs_cmd_mesh_access(struct lbs_private *priv,
883                                 struct cmd_ds_command *cmd,
884                                 u16 cmd_action, void *pdata_buf)
885 {
886         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
887         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
888
889         cmd->command = cpu_to_le16(CMD_MESH_ACCESS);
890         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
891         cmd->result = 0;
892
893         if (pdata_buf)
894                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
895         else
896                 memset(mesh_access, 0, sizeof(*mesh_access));
897
898         mesh_access->action = cpu_to_le16(cmd_action);
899
900         lbs_deb_leave(LBS_DEB_CMD);
901         return 0;
902 }
903
904 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
905                                 struct cmd_ds_command *cmd,
906                                 u16 cmd_action)
907 {
908         struct cmd_ds_802_11_beacon_control
909                 *bcn_ctrl = &cmd->params.bcn_ctrl;
910         struct lbs_adapter *adapter = priv->adapter;
911
912         lbs_deb_enter(LBS_DEB_CMD);
913         cmd->size =
914             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
915                              + S_DS_GEN);
916         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
917
918         bcn_ctrl->action = cpu_to_le16(cmd_action);
919         bcn_ctrl->beacon_enable = cpu_to_le16(adapter->beacon_enable);
920         bcn_ctrl->beacon_period = cpu_to_le16(adapter->beacon_period);
921
922         lbs_deb_leave(LBS_DEB_CMD);
923         return 0;
924 }
925
926 static int lbs_cmd_set_boot2_ver(struct lbs_private *priv,
927                                 struct cmd_ds_command *cmd,
928                                 u16 cmd_action, void *pdata_buf)
929 {
930         struct cmd_ds_set_boot2_ver *boot2_ver = &cmd->params.boot2_ver;
931         cmd->command = cpu_to_le16(CMD_SET_BOOT2_VER);
932         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_set_boot2_ver) + S_DS_GEN);
933         boot2_ver->version = priv->boot2_version;
934         return 0;
935 }
936
937 /*
938  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
939  * the command timer, because it does not account for queued commands.
940  */
941 void lbs_queue_cmd(struct lbs_adapter *adapter,
942         struct cmd_ctrl_node *cmdnode,
943         u8 addtail)
944 {
945         unsigned long flags;
946         struct cmd_ds_command *cmdptr;
947
948         lbs_deb_enter(LBS_DEB_HOST);
949
950         if (!cmdnode) {
951                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
952                 goto done;
953         }
954
955         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
956         if (!cmdptr) {
957                 lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n");
958                 goto done;
959         }
960
961         /* Exit_PS command needs to be queued in the header always. */
962         if (cmdptr->command == CMD_802_11_PS_MODE) {
963                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
964                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
965                         if (adapter->psstate != PS_STATE_FULL_POWER)
966                                 addtail = 0;
967                 }
968         }
969
970         spin_lock_irqsave(&adapter->driver_lock, flags);
971
972         if (addtail) {
973                 list_add_tail((struct list_head *)cmdnode,
974                               &adapter->cmdpendingq);
975                 adapter->nr_cmd_pending++;
976         } else
977                 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
978
979         spin_unlock_irqrestore(&adapter->driver_lock, flags);
980
981         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
982                le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
983
984 done:
985         lbs_deb_leave(LBS_DEB_HOST);
986 }
987
988 /*
989  * TODO: Fix the issue when DownloadcommandToStation is being called the
990  * second time when the command times out. All the cmdptr->xxx are in little
991  * endian and therefore all the comparissions will fail.
992  * For now - we are not performing the endian conversion the second time - but
993  * for PS and DEEP_SLEEP we need to worry
994  */
995 static int DownloadcommandToStation(struct lbs_private *priv,
996                                     struct cmd_ctrl_node *cmdnode)
997 {
998         unsigned long flags;
999         struct cmd_ds_command *cmdptr;
1000         struct lbs_adapter *adapter = priv->adapter;
1001         int ret = -1;
1002         u16 cmdsize;
1003         u16 command;
1004
1005         lbs_deb_enter(LBS_DEB_HOST);
1006
1007         if (!adapter || !cmdnode) {
1008                 lbs_deb_host("DNLD_CMD: adapter or cmdmode is NULL\n");
1009                 goto done;
1010         }
1011
1012         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1013
1014         spin_lock_irqsave(&adapter->driver_lock, flags);
1015         if (!cmdptr || !cmdptr->size) {
1016                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1017                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1018                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1019                 goto done;
1020         }
1021
1022         adapter->cur_cmd = cmdnode;
1023         adapter->cur_cmd_retcode = 0;
1024         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1025
1026         cmdsize = cmdptr->size;
1027         command = cpu_to_le16(cmdptr->command);
1028
1029         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1030                     command, le16_to_cpu(cmdptr->size), jiffies);
1031         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
1032
1033         cmdnode->cmdwaitqwoken = 0;
1034         cmdsize = cpu_to_le16(cmdsize);
1035
1036         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1037
1038         if (ret != 0) {
1039                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1040                 spin_lock_irqsave(&adapter->driver_lock, flags);
1041                 adapter->cur_cmd_retcode = ret;
1042                 __lbs_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1043                 adapter->nr_cmd_pending--;
1044                 adapter->cur_cmd = NULL;
1045                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1046                 goto done;
1047         }
1048
1049         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1050
1051         /* Setup the timer after transmit command */
1052         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1053             || command == CMD_802_11_ASSOCIATE)
1054                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1055         else
1056                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1057
1058         ret = 0;
1059
1060 done:
1061         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1062         return ret;
1063 }
1064
1065 static int lbs_cmd_mac_control(struct lbs_private *priv,
1066                                 struct cmd_ds_command *cmd)
1067 {
1068         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1069
1070         lbs_deb_enter(LBS_DEB_CMD);
1071
1072         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1073         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1074         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1075
1076         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1077                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1078
1079         lbs_deb_leave(LBS_DEB_CMD);
1080         return 0;
1081 }
1082
1083 /**
1084  *  This function inserts command node to cmdfreeq
1085  *  after cleans it. Requires adapter->driver_lock held.
1086  */
1087 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1088         struct cmd_ctrl_node *ptempcmd)
1089 {
1090         struct lbs_adapter *adapter = priv->adapter;
1091
1092         if (!ptempcmd)
1093                 return;
1094
1095         cleanup_cmdnode(ptempcmd);
1096         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1097 }
1098
1099 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1100         struct cmd_ctrl_node *ptempcmd)
1101 {
1102         unsigned long flags;
1103
1104         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1105         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1106         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1107 }
1108
1109 int lbs_set_radio_control(struct lbs_private *priv)
1110 {
1111         int ret = 0;
1112
1113         lbs_deb_enter(LBS_DEB_CMD);
1114
1115         ret = lbs_prepare_and_send_command(priv,
1116                                     CMD_802_11_RADIO_CONTROL,
1117                                     CMD_ACT_SET,
1118                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1119
1120         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1121                priv->adapter->radioon, priv->adapter->preamble);
1122
1123         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1124         return ret;
1125 }
1126
1127 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1128 {
1129         int ret = 0;
1130
1131         lbs_deb_enter(LBS_DEB_CMD);
1132
1133         /* Send MAC control command to station */
1134         ret = lbs_prepare_and_send_command(priv,
1135                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1136
1137         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1138         return ret;
1139 }
1140
1141 /**
1142  *  @brief This function prepare the command before send to firmware.
1143  *
1144  *  @param priv         A pointer to struct lbs_private structure
1145  *  @param cmd_no       command number
1146  *  @param cmd_action   command action: GET or SET
1147  *  @param wait_option  wait option: wait response or not
1148  *  @param cmd_oid      cmd oid: treated as sub command
1149  *  @param pdata_buf    A pointer to informaion buffer
1150  *  @return             0 or -1
1151  */
1152 int lbs_prepare_and_send_command(struct lbs_private *priv,
1153                           u16 cmd_no,
1154                           u16 cmd_action,
1155                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1156 {
1157         int ret = 0;
1158         struct lbs_adapter *adapter = priv->adapter;
1159         struct cmd_ctrl_node *cmdnode;
1160         struct cmd_ds_command *cmdptr;
1161         unsigned long flags;
1162
1163         lbs_deb_enter(LBS_DEB_HOST);
1164
1165         if (!adapter) {
1166                 lbs_deb_host("PREP_CMD: adapter is NULL\n");
1167                 ret = -1;
1168                 goto done;
1169         }
1170
1171         if (adapter->surpriseremoved) {
1172                 lbs_deb_host("PREP_CMD: card removed\n");
1173                 ret = -1;
1174                 goto done;
1175         }
1176
1177         cmdnode = lbs_get_free_cmd_ctrl_node(priv);
1178
1179         if (cmdnode == NULL) {
1180                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1181
1182                 /* Wake up main thread to execute next command */
1183                 wake_up_interruptible(&priv->waitq);
1184                 ret = -1;
1185                 goto done;
1186         }
1187
1188         lbs_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1189
1190         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1191
1192         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1193
1194         if (!cmdptr) {
1195                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1196                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1197                 ret = -1;
1198                 goto done;
1199         }
1200
1201         /* Set sequence number, command and INT option */
1202         adapter->seqnum++;
1203         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1204
1205         cmdptr->command = cpu_to_le16(cmd_no);
1206         cmdptr->result = 0;
1207
1208         switch (cmd_no) {
1209         case CMD_GET_HW_SPEC:
1210                 ret = lbs_cmd_hw_spec(priv, cmdptr);
1211                 break;
1212         case CMD_802_11_PS_MODE:
1213                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1214                 break;
1215
1216         case CMD_802_11_SCAN:
1217                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1218                 break;
1219
1220         case CMD_MAC_CONTROL:
1221                 ret = lbs_cmd_mac_control(priv, cmdptr);
1222                 break;
1223
1224         case CMD_802_11_ASSOCIATE:
1225         case CMD_802_11_REASSOCIATE:
1226                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1227                 break;
1228
1229         case CMD_802_11_DEAUTHENTICATE:
1230                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1231                 break;
1232
1233         case CMD_802_11_SET_WEP:
1234                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1235                 break;
1236
1237         case CMD_802_11_AD_HOC_START:
1238                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1239                 break;
1240         case CMD_CODE_DNLD:
1241                 break;
1242
1243         case CMD_802_11_RESET:
1244                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1245                 break;
1246
1247         case CMD_802_11_GET_LOG:
1248                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1249                 break;
1250
1251         case CMD_802_11_AUTHENTICATE:
1252                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1253                 break;
1254
1255         case CMD_802_11_GET_STAT:
1256                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1257                 break;
1258
1259         case CMD_802_11_SNMP_MIB:
1260                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1261                                                cmd_action, cmd_oid, pdata_buf);
1262                 break;
1263
1264         case CMD_MAC_REG_ACCESS:
1265         case CMD_BBP_REG_ACCESS:
1266         case CMD_RF_REG_ACCESS:
1267                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1268                 break;
1269
1270         case CMD_802_11_RF_CHANNEL:
1271                 ret = lbs_cmd_802_11_rf_channel(priv, cmdptr,
1272                                                  cmd_action, pdata_buf);
1273                 break;
1274
1275         case CMD_802_11_RF_TX_POWER:
1276                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1277                                                   cmd_action, pdata_buf);
1278                 break;
1279
1280         case CMD_802_11_RADIO_CONTROL:
1281                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1282                 break;
1283
1284         case CMD_802_11_DATA_RATE:
1285                 ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1286                 break;
1287         case CMD_802_11_RATE_ADAPT_RATESET:
1288                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1289                                                          cmdptr, cmd_action);
1290                 break;
1291
1292         case CMD_MAC_MULTICAST_ADR:
1293                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1294                 break;
1295
1296         case CMD_802_11_MONITOR_MODE:
1297                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1298                                           cmd_action, pdata_buf);
1299                 break;
1300
1301         case CMD_802_11_AD_HOC_JOIN:
1302                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1303                 break;
1304
1305         case CMD_802_11_RSSI:
1306                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1307                 break;
1308
1309         case CMD_802_11_AD_HOC_STOP:
1310                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1311                 break;
1312
1313         case CMD_802_11_ENABLE_RSN:
1314                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1315                                 pdata_buf);
1316                 break;
1317
1318         case CMD_802_11_KEY_MATERIAL:
1319                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1320                                 cmd_oid, pdata_buf);
1321                 break;
1322
1323         case CMD_802_11_PAIRWISE_TSC:
1324                 break;
1325         case CMD_802_11_GROUP_TSC:
1326                 break;
1327
1328         case CMD_802_11_MAC_ADDRESS:
1329                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1330                 break;
1331
1332         case CMD_802_11_EEPROM_ACCESS:
1333                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1334                                                     cmd_action, pdata_buf);
1335                 break;
1336
1337         case CMD_802_11_SET_AFC:
1338         case CMD_802_11_GET_AFC:
1339
1340                 cmdptr->command = cpu_to_le16(cmd_no);
1341                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1342                                            S_DS_GEN);
1343
1344                 memmove(&cmdptr->params.afc,
1345                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1346
1347                 ret = 0;
1348                 goto done;
1349
1350         case CMD_802_11D_DOMAIN_INFO:
1351                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1352                                                    cmd_no, cmd_action);
1353                 break;
1354
1355         case CMD_802_11_SLEEP_PARAMS:
1356                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1357                 break;
1358         case CMD_802_11_INACTIVITY_TIMEOUT:
1359                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1360                                                          cmd_action, pdata_buf);
1361                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1362                 break;
1363
1364         case CMD_802_11_TPC_CFG:
1365                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1366                 cmdptr->size =
1367                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1368                                      S_DS_GEN);
1369
1370                 memmove(&cmdptr->params.tpccfg,
1371                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1372
1373                 ret = 0;
1374                 break;
1375         case CMD_802_11_LED_GPIO_CTRL:
1376                 {
1377                         struct mrvlietypes_ledgpio *gpio =
1378                             (struct mrvlietypes_ledgpio*)
1379                             cmdptr->params.ledgpio.data;
1380
1381                         memmove(&cmdptr->params.ledgpio,
1382                                 pdata_buf,
1383                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1384
1385                         cmdptr->command =
1386                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1387
1388 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1389                         cmdptr->size =
1390                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1391                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1392                         gpio->header.len = cpu_to_le16(gpio->header.len);
1393
1394                         ret = 0;
1395                         break;
1396                 }
1397         case CMD_802_11_PWR_CFG:
1398                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1399                 cmdptr->size =
1400                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1401                                      S_DS_GEN);
1402                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1403                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1404
1405                 ret = 0;
1406                 break;
1407         case CMD_BT_ACCESS:
1408                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1409                 break;
1410
1411         case CMD_FWT_ACCESS:
1412                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1413                 break;
1414
1415         case CMD_MESH_ACCESS:
1416                 ret = lbs_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1417                 break;
1418
1419         case CMD_SET_BOOT2_VER:
1420                 ret = lbs_cmd_set_boot2_ver(priv, cmdptr, cmd_action, pdata_buf);
1421                 break;
1422
1423         case CMD_GET_TSF:
1424                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1425                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1426                                            S_DS_GEN);
1427                 ret = 0;
1428                 break;
1429         case CMD_802_11_BEACON_CTRL:
1430                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1431                 break;
1432         default:
1433                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1434                 ret = -1;
1435                 break;
1436         }
1437
1438         /* return error, since the command preparation failed */
1439         if (ret != 0) {
1440                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1441                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1442                 ret = -1;
1443                 goto done;
1444         }
1445
1446         cmdnode->cmdwaitqwoken = 0;
1447
1448         lbs_queue_cmd(adapter, cmdnode, 1);
1449         wake_up_interruptible(&priv->waitq);
1450
1451         if (wait_option & CMD_OPTION_WAITFORRSP) {
1452                 lbs_deb_host("PREP_CMD: wait for response\n");
1453                 might_sleep();
1454                 wait_event_interruptible(cmdnode->cmdwait_q,
1455                                          cmdnode->cmdwaitqwoken);
1456         }
1457
1458         spin_lock_irqsave(&adapter->driver_lock, flags);
1459         if (adapter->cur_cmd_retcode) {
1460                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1461                        adapter->cur_cmd_retcode);
1462                 adapter->cur_cmd_retcode = 0;
1463                 ret = -1;
1464         }
1465         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1466
1467 done:
1468         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1469         return ret;
1470 }
1471 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1472
1473 /**
1474  *  @brief This function allocates the command buffer and link
1475  *  it to command free queue.
1476  *
1477  *  @param priv         A pointer to struct lbs_private structure
1478  *  @return             0 or -1
1479  */
1480 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1481 {
1482         int ret = 0;
1483         u32 ulbufsize;
1484         u32 i;
1485         struct cmd_ctrl_node *tempcmd_array;
1486         u8 *ptempvirtualaddr;
1487         struct lbs_adapter *adapter = priv->adapter;
1488
1489         lbs_deb_enter(LBS_DEB_HOST);
1490
1491         /* Allocate and initialize cmdCtrlNode */
1492         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1493
1494         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1495                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1496                 ret = -1;
1497                 goto done;
1498         }
1499         adapter->cmd_array = tempcmd_array;
1500
1501         /* Allocate and initialize command buffers */
1502         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1503         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1504                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1505                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1506                         ret = -1;
1507                         goto done;
1508                 }
1509
1510                 /* Update command buffer virtual */
1511                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1512         }
1513
1514         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1515                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1516                 lbs_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1517         }
1518
1519         ret = 0;
1520
1521 done:
1522         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1523         return ret;
1524 }
1525
1526 /**
1527  *  @brief This function frees the command buffer.
1528  *
1529  *  @param priv         A pointer to struct lbs_private structure
1530  *  @return             0 or -1
1531  */
1532 int lbs_free_cmd_buffer(struct lbs_private *priv)
1533 {
1534         u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1535         unsigned int i;
1536         struct cmd_ctrl_node *tempcmd_array;
1537         struct lbs_adapter *adapter = priv->adapter;
1538
1539         lbs_deb_enter(LBS_DEB_HOST);
1540
1541         /* need to check if cmd array is allocated or not */
1542         if (adapter->cmd_array == NULL) {
1543                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1544                 goto done;
1545         }
1546
1547         tempcmd_array = adapter->cmd_array;
1548
1549         /* Release shared memory buffers */
1550         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1551         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1552                 if (tempcmd_array[i].bufvirtualaddr) {
1553                         kfree(tempcmd_array[i].bufvirtualaddr);
1554                         tempcmd_array[i].bufvirtualaddr = NULL;
1555                 }
1556         }
1557
1558         /* Release cmd_ctrl_node */
1559         if (adapter->cmd_array) {
1560                 kfree(adapter->cmd_array);
1561                 adapter->cmd_array = NULL;
1562         }
1563
1564 done:
1565         lbs_deb_leave(LBS_DEB_HOST);
1566         return 0;
1567 }
1568
1569 /**
1570  *  @brief This function gets a free command node if available in
1571  *  command free queue.
1572  *
1573  *  @param priv         A pointer to struct lbs_private structure
1574  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1575  */
1576 struct cmd_ctrl_node *lbs_get_free_cmd_ctrl_node(struct lbs_private *priv)
1577 {
1578         struct cmd_ctrl_node *tempnode;
1579         struct lbs_adapter *adapter = priv->adapter;
1580         unsigned long flags;
1581
1582         lbs_deb_enter(LBS_DEB_HOST);
1583
1584         if (!adapter)
1585                 return NULL;
1586
1587         spin_lock_irqsave(&adapter->driver_lock, flags);
1588
1589         if (!list_empty(&adapter->cmdfreeq)) {
1590                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1591                 list_del((struct list_head *)tempnode);
1592         } else {
1593                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1594                 tempnode = NULL;
1595         }
1596
1597         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1598
1599         if (tempnode)
1600                 cleanup_cmdnode(tempnode);
1601
1602         lbs_deb_leave(LBS_DEB_HOST);
1603         return tempnode;
1604 }
1605
1606 /**
1607  *  @brief This function cleans command node.
1608  *
1609  *  @param ptempnode    A pointer to cmdCtrlNode structure
1610  *  @return             n/a
1611  */
1612 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1613 {
1614         lbs_deb_enter(LBS_DEB_HOST);
1615
1616         if (!ptempnode)
1617                 return;
1618         ptempnode->cmdwaitqwoken = 1;
1619         wake_up_interruptible(&ptempnode->cmdwait_q);
1620         ptempnode->status = 0;
1621         ptempnode->cmd_oid = (u32) 0;
1622         ptempnode->wait_option = 0;
1623         ptempnode->pdata_buf = NULL;
1624
1625         if (ptempnode->bufvirtualaddr != NULL)
1626                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1627
1628         lbs_deb_leave(LBS_DEB_HOST);
1629 }
1630
1631 /**
1632  *  @brief This function initializes the command node.
1633  *
1634  *  @param priv         A pointer to struct lbs_private structure
1635  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1636  *  @param cmd_oid      cmd oid: treated as sub command
1637  *  @param wait_option  wait option: wait response or not
1638  *  @param pdata_buf    A pointer to informaion buffer
1639  *  @return             0 or -1
1640  */
1641 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1642                     struct cmd_ctrl_node *ptempnode,
1643                     u32 cmd_oid, u16 wait_option, void *pdata_buf)
1644 {
1645         lbs_deb_enter(LBS_DEB_HOST);
1646
1647         if (!ptempnode)
1648                 return;
1649
1650         ptempnode->cmd_oid = cmd_oid;
1651         ptempnode->wait_option = wait_option;
1652         ptempnode->pdata_buf = pdata_buf;
1653
1654         lbs_deb_leave(LBS_DEB_HOST);
1655 }
1656
1657 /**
1658  *  @brief This function executes next command in command
1659  *  pending queue. It will put fimware back to PS mode
1660  *  if applicable.
1661  *
1662  *  @param priv     A pointer to struct lbs_private structure
1663  *  @return        0 or -1
1664  */
1665 int lbs_execute_next_command(struct lbs_private *priv)
1666 {
1667         struct lbs_adapter *adapter = priv->adapter;
1668         struct cmd_ctrl_node *cmdnode = NULL;
1669         struct cmd_ds_command *cmdptr;
1670         unsigned long flags;
1671         int ret = 0;
1672
1673         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1674         // only caller to us is lbs_thread() and we get even when a
1675         // data packet is received
1676         lbs_deb_enter(LBS_DEB_THREAD);
1677
1678         spin_lock_irqsave(&adapter->driver_lock, flags);
1679
1680         if (adapter->cur_cmd) {
1681                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1682                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1683                 ret = -1;
1684                 goto done;
1685         }
1686
1687         if (!list_empty(&adapter->cmdpendingq)) {
1688                 cmdnode = (struct cmd_ctrl_node *)
1689                     adapter->cmdpendingq.next;
1690         }
1691
1692         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1693
1694         if (cmdnode) {
1695                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1696
1697                 if (is_command_allowed_in_ps(cmdptr->command)) {
1698                         if ((adapter->psstate == PS_STATE_SLEEP) ||
1699                             (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1700                                 lbs_deb_host(
1701                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1702                                        le16_to_cpu(cmdptr->command),
1703                                        adapter->psstate);
1704                                 ret = -1;
1705                                 goto done;
1706                         }
1707                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1708                                "0x%04x in psstate %d\n",
1709                                     le16_to_cpu(cmdptr->command),
1710                                     adapter->psstate);
1711                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1712                         /*
1713                          * 1. Non-PS command:
1714                          * Queue it. set needtowakeup to TRUE if current state
1715                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1716                          * 2. PS command but not Exit_PS:
1717                          * Ignore it.
1718                          * 3. PS command Exit_PS:
1719                          * Set needtowakeup to TRUE if current state is SLEEP,
1720                          * otherwise send this command down to firmware
1721                          * immediately.
1722                          */
1723                         if (cmdptr->command !=
1724                             cpu_to_le16(CMD_802_11_PS_MODE)) {
1725                                 /*  Prepare to send Exit PS,
1726                                  *  this non PS command will be sent later */
1727                                 if ((adapter->psstate == PS_STATE_SLEEP)
1728                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1729                                     ) {
1730                                         /* w/ new scheme, it will not reach here.
1731                                            since it is blocked in main_thread. */
1732                                         adapter->needtowakeup = 1;
1733                                 } else
1734                                         lbs_ps_wakeup(priv, 0);
1735
1736                                 ret = 0;
1737                                 goto done;
1738                         } else {
1739                                 /*
1740                                  * PS command. Ignore it if it is not Exit_PS.
1741                                  * otherwise send it down immediately.
1742                                  */
1743                                 struct cmd_ds_802_11_ps_mode *psm =
1744                                     &cmdptr->params.psmode;
1745
1746                                 lbs_deb_host(
1747                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1748                                        psm->action);
1749                                 if (psm->action !=
1750                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1751                                         lbs_deb_host(
1752                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1753                                         list_del((struct list_head *)cmdnode);
1754                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1755
1756                                         ret = 0;
1757                                         goto done;
1758                                 }
1759
1760                                 if ((adapter->psstate == PS_STATE_SLEEP) ||
1761                                     (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1762                                         lbs_deb_host(
1763                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1764                                         list_del((struct list_head *)cmdnode);
1765                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1766                                         adapter->needtowakeup = 1;
1767
1768                                         ret = 0;
1769                                         goto done;
1770                                 }
1771
1772                                 lbs_deb_host(
1773                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1774                         }
1775                 }
1776                 list_del((struct list_head *)cmdnode);
1777                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1778                             le16_to_cpu(cmdptr->command));
1779                 DownloadcommandToStation(priv, cmdnode);
1780         } else {
1781                 /*
1782                  * check if in power save mode, if yes, put the device back
1783                  * to PS mode
1784                  */
1785                 if ((adapter->psmode != LBS802_11POWERMODECAM) &&
1786                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1787                     ((adapter->connect_status == LBS_CONNECTED) ||
1788                     (adapter->mesh_connect_status == LBS_CONNECTED))) {
1789                         if (adapter->secinfo.WPAenabled ||
1790                             adapter->secinfo.WPA2enabled) {
1791                                 /* check for valid WPA group keys */
1792                                 if (adapter->wpa_mcast_key.len ||
1793                                     adapter->wpa_unicast_key.len) {
1794                                         lbs_deb_host(
1795                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1796                                                " go back to PS_SLEEP");
1797                                         lbs_ps_sleep(priv, 0);
1798                                 }
1799                         } else {
1800                                 lbs_deb_host(
1801                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1802                                        "go back to PS_SLEEP");
1803                                 lbs_ps_sleep(priv, 0);
1804                         }
1805                 }
1806         }
1807
1808         ret = 0;
1809 done:
1810         lbs_deb_leave(LBS_DEB_THREAD);
1811         return ret;
1812 }
1813
1814 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1815 {
1816         union iwreq_data iwrq;
1817         u8 buf[50];
1818
1819         lbs_deb_enter(LBS_DEB_WEXT);
1820
1821         memset(&iwrq, 0, sizeof(union iwreq_data));
1822         memset(buf, 0, sizeof(buf));
1823
1824         snprintf(buf, sizeof(buf) - 1, "%s", str);
1825
1826         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1827
1828         /* Send Event to upper layer */
1829         lbs_deb_wext("event indication string %s\n", (char *)buf);
1830         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1831         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1832
1833         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1834
1835         lbs_deb_leave(LBS_DEB_WEXT);
1836 }
1837
1838 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1839 {
1840         unsigned long flags;
1841         struct lbs_adapter *adapter = priv->adapter;
1842         int ret = 0;
1843
1844         lbs_deb_enter(LBS_DEB_HOST);
1845
1846         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1847                size);
1848
1849         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1850
1851         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1852         priv->dnld_sent = DNLD_RES_RECEIVED;
1853
1854         spin_lock_irqsave(&adapter->driver_lock, flags);
1855         if (adapter->intcounter || adapter->currenttxskb)
1856                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1857                        adapter->intcounter, adapter->currenttxskb);
1858         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1859
1860         if (ret) {
1861                 lbs_pr_alert(
1862                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1863         } else {
1864                 spin_lock_irqsave(&adapter->driver_lock, flags);
1865                 if (!adapter->intcounter) {
1866                         adapter->psstate = PS_STATE_SLEEP;
1867                 } else {
1868                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1869                                adapter->intcounter);
1870                 }
1871                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1872
1873                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1874         }
1875
1876         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1877         return ret;
1878 }
1879
1880 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1881 {
1882         lbs_deb_enter(LBS_DEB_HOST);
1883
1884         /*
1885          * PS is currently supported only in Infrastructure mode
1886          * Remove this check if it is to be supported in IBSS mode also
1887          */
1888
1889         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1890                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1891
1892         lbs_deb_leave(LBS_DEB_HOST);
1893 }
1894
1895 /**
1896  *  @brief This function sends Exit_PS command to firmware.
1897  *
1898  *  @param priv         A pointer to struct lbs_private structure
1899  *  @param wait_option  wait response or not
1900  *  @return             n/a
1901  */
1902 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1903 {
1904         __le32 Localpsmode;
1905
1906         lbs_deb_enter(LBS_DEB_HOST);
1907
1908         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1909
1910         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1911                               CMD_SUBCMD_EXIT_PS,
1912                               wait_option, 0, &Localpsmode);
1913
1914         lbs_deb_leave(LBS_DEB_HOST);
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 struct lbs_private structure
1922  *  @param psmode       Power Saving mode
1923  *  @return             n/a
1924  */
1925 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1926 {
1927         unsigned long flags =0;
1928         struct lbs_adapter *adapter = priv->adapter;
1929         u8 allowed = 1;
1930
1931         lbs_deb_enter(LBS_DEB_HOST);
1932
1933         if (priv->dnld_sent) {
1934                 allowed = 0;
1935                 lbs_deb_host("dnld_sent was set");
1936         }
1937
1938         spin_lock_irqsave(&adapter->driver_lock, flags);
1939         if (adapter->cur_cmd) {
1940                 allowed = 0;
1941                 lbs_deb_host("cur_cmd was set");
1942         }
1943         if (adapter->intcounter > 0) {
1944                 allowed = 0;
1945                 lbs_deb_host("intcounter %d", adapter->intcounter);
1946         }
1947         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1948
1949         if (allowed) {
1950                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1951                 sendconfirmsleep(priv, (u8 *) & adapter->lbs_ps_confirm_sleep,
1952                                  sizeof(struct PS_CMD_ConfirmSleep));
1953         } else {
1954                 lbs_deb_host("sleep confirm has been delayed\n");
1955         }
1956
1957         lbs_deb_leave(LBS_DEB_HOST);
1958 }