Pileus Git - ~andy/linux/blob - 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(u16 command)
  29 {
  30         int count = sizeof(commands_allowed_in_ps)
  31             / sizeof(commands_allowed_in_ps[0]);
  32         int i;
  33
  34         for (i = 0; i < count; i++) {
  35                 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
  36                         return 1;
  37         }
  38
  39         return 0;
  40 }
  41
  42 static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
  43 {
  44         struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
  45
  46         lbs_deb_enter(LBS_DEB_CMD);
  47
  48         cmd->command = cpu_to_le16(cmd_get_hw_spec);
  49         cmd->size =
  50             cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
  51         memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
  52
  53         lbs_deb_leave(LBS_DEB_CMD);
  54         return 0;
  55 }
  56
  57 static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
  58                                    struct cmd_ds_command *cmd,
  59                                    u16 cmd_action)
  60 {
  61         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
  62         u16 action = cmd_action;
  63         wlan_adapter *adapter = priv->adapter;
  64
  65         lbs_deb_enter(LBS_DEB_CMD);
  66
  67         cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
  68         cmd->size =
  69             cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
  70                              S_DS_GEN);
  71         psm->action = cpu_to_le16(cmd_action);
  72         psm->multipledtim = 0;
  73         switch (action) {
  74         case cmd_subcmd_enter_ps:
  75                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
  76                 lbs_deb_cmd("locallisteninterval = %d\n",
  77                        adapter->locallisteninterval);
  78
  79                 psm->locallisteninterval =
  80                     cpu_to_le16(adapter->locallisteninterval);
  81                 psm->nullpktinterval =
  82                     cpu_to_le16(adapter->nullpktinterval);
  83                 psm->multipledtim =
  84                     cpu_to_le16(priv->adapter->multipledtim);
  85                 break;
  86
  87         case cmd_subcmd_exit_ps:
  88                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
  89                 break;
  90
  91         case cmd_subcmd_sleep_confirmed:
  92                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
  93                 break;
  94
  95         default:
  96                 break;
  97         }
  98
  99         lbs_deb_leave(LBS_DEB_CMD);
 100         return 0;
 101 }
 102
 103 static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
 104                                               struct cmd_ds_command *cmd,
 105                                               u16 cmd_action, void *pdata_buf)
 106 {
 107         u16 *timeout = pdata_buf;
 108
 109         cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
 110         cmd->size =
 111             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 112                              + S_DS_GEN);
 113
 114         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 115
 116         if (cmd_action)
 117                 cmd->params.inactivity_timeout.timeout =
 118                     cpu_to_le16(*timeout);
 119         else
 120                 cmd->params.inactivity_timeout.timeout = 0;
 121
 122         return 0;
 123 }
 124
 125 static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
 126                                         struct cmd_ds_command *cmd,
 127                                         u16 cmd_action)
 128 {
 129         wlan_adapter *adapter = priv->adapter;
 130         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 131
 132         lbs_deb_enter(LBS_DEB_CMD);
 133
 134         cmd->size =
 135             cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 136                              S_DS_GEN);
 137         cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
 138
 139         if (cmd_action == cmd_act_get) {
 140                 memset(&adapter->sp, 0, sizeof(struct sleep_params));
 141                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 142                 sp->action = cpu_to_le16(cmd_action);
 143         } else if (cmd_action == cmd_act_set) {
 144                 sp->action = cpu_to_le16(cmd_action);
 145                 sp->error = cpu_to_le16(adapter->sp.sp_error);
 146                 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
 147                 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
 148                 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
 149                 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
 150                 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
 151         }
 152
 153         lbs_deb_leave(LBS_DEB_CMD);
 154         return 0;
 155 }
 156
 157 static int wlan_cmd_802_11_set_wep(wlan_private * priv,
 158                                    struct cmd_ds_command *cmd,
 159                                    u32 cmd_act,
 160                                    void * pdata_buf)
 161 {
 162         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 163         wlan_adapter *adapter = priv->adapter;
 164         int ret = 0;
 165         struct assoc_request * assoc_req = pdata_buf;
 166
 167         lbs_deb_enter(LBS_DEB_CMD);
 168
 169         cmd->command = cpu_to_le16(cmd_802_11_set_wep);
 170         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
 171                                      + S_DS_GEN);
 172
 173         if (cmd_act == cmd_act_add) {
 174                 int i;
 175
 176                 if (!assoc_req) {
 177                         lbs_deb_cmd("Invalid association request!");
 178                         ret = -1;
 179                         goto done;
 180                 }
 181
 182                 wep->action = cpu_to_le16(cmd_act_add);
 183
 184                 /* default tx key index */
 185                 wep->keyindex = cpu_to_le16((u16)
 186                                                  (assoc_req->wep_tx_keyidx &
 187                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 188
 189                 lbs_deb_cmd("Tx key Index: %u\n", wep->keyindex);
 190
 191                 /* Copy key types and material to host command structure */
 192                 for (i = 0; i < 4; i++) {
 193                         struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
 194
 195                         switch (pkey->len) {
 196                         case KEY_LEN_WEP_40:
 197                                 wep->keytype[i] = cmd_type_wep_40_bit;
 198                                 memmove(&wep->keymaterial[i], pkey->key,
 199                                         pkey->len);
 200                                 break;
 201                         case KEY_LEN_WEP_104:
 202                                 wep->keytype[i] = cmd_type_wep_104_bit;
 203                                 memmove(&wep->keymaterial[i], pkey->key,
 204                                         pkey->len);
 205                                 break;
 206                         case 0:
 207                                 break;
 208                         default:
 209                                 lbs_deb_cmd("Invalid WEP key %d length of %d\n",
 210                                        i, pkey->len);
 211                                 ret = -1;
 212                                 goto done;
 213                                 break;
 214                         }
 215                 }
 216         } else if (cmd_act == cmd_act_remove) {
 217                 /* ACT_REMOVE clears _all_ WEP keys */
 218                 wep->action = cpu_to_le16(cmd_act_remove);
 219
 220                 /* default tx key index */
 221                 wep->keyindex = cpu_to_le16((u16)
 222                                                  (adapter->wep_tx_keyidx &
 223                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 224         }
 225
 226         ret = 0;
 227
 228 done:
 229         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 230         return ret;
 231 }
 232
 233 static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
 234                                       struct cmd_ds_command *cmd,
 235                                       u16 cmd_action)
 236 {
 237         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 238         wlan_adapter *adapter = priv->adapter;
 239
 240         cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
 241         cmd->size =
 242             cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
 243                              S_DS_GEN);
 244         penableRSN->action = cpu_to_le16(cmd_action);
 245         if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
 246                 penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
 247         } else {
 248                 penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
 249         }
 250
 251         return 0;
 252 }
 253
 254
 255 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 256                             struct WLAN_802_11_KEY * pkey)
 257 {
 258         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 259
 260         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 261                 pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
 262         } else {
 263                 pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
 264         }
 265
 266         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 267                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 268         } else if (pkey->flags & KEY_INFO_WPA_MCAST) {
 269                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 270         }
 271
 272         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 273         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 274         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 275         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 276                                                 + sizeof(pkeyparamset->keyinfo)
 277                                                 + sizeof(pkeyparamset->keylen)
 278                                                 + sizeof(pkeyparamset->key));
 279 }
 280
 281 static int wlan_cmd_802_11_key_material(wlan_private * priv,
 282                                         struct cmd_ds_command *cmd,
 283                                         u16 cmd_action,
 284                                         u32 cmd_oid, void *pdata_buf)
 285 {
 286         wlan_adapter *adapter = priv->adapter;
 287         struct cmd_ds_802_11_key_material *pkeymaterial =
 288             &cmd->params.keymaterial;
 289         int ret = 0;
 290         int index = 0;
 291
 292         lbs_deb_enter(LBS_DEB_CMD);
 293
 294         cmd->command = cpu_to_le16(cmd_802_11_key_material);
 295         pkeymaterial->action = cpu_to_le16(cmd_action);
 296
 297         if (cmd_action == cmd_act_get) {
 298                 cmd->size = cpu_to_le16(  S_DS_GEN
 299                                              + sizeof (pkeymaterial->action));
 300                 ret = 0;
 301                 goto done;
 302         }
 303
 304         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 305
 306         if (adapter->wpa_unicast_key.len) {
 307                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 308                                 &adapter->wpa_unicast_key);
 309                 index++;
 310         }
 311
 312         if (adapter->wpa_mcast_key.len) {
 313                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 314                                 &adapter->wpa_mcast_key);
 315                 index++;
 316         }
 317
 318         cmd->size = cpu_to_le16(  S_DS_GEN
 319                                      + sizeof (pkeymaterial->action)
 320                                      + index * sizeof(struct MrvlIEtype_keyParamSet));
 321
 322         ret = 0;
 323
 324 done:
 325         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 326         return ret;
 327 }
 328
 329 static int wlan_cmd_802_11_reset(wlan_private * priv,
 330                                  struct cmd_ds_command *cmd, int cmd_action)
 331 {
 332         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 333
 334         cmd->command = cpu_to_le16(cmd_802_11_reset);
 335         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 336         reset->action = cpu_to_le16(cmd_action);
 337
 338         return 0;
 339 }
 340
 341 static int wlan_cmd_802_11_get_log(wlan_private * priv,
 342                                    struct cmd_ds_command *cmd)
 343 {
 344         cmd->command = cpu_to_le16(cmd_802_11_get_log);
 345         cmd->size =
 346                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 347
 348         return 0;
 349 }
 350
 351 static int wlan_cmd_802_11_get_stat(wlan_private * priv,
 352                                     struct cmd_ds_command *cmd)
 353 {
 354         cmd->command = cpu_to_le16(cmd_802_11_get_stat);
 355         cmd->size =
 356             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
 357                              S_DS_GEN);
 358
 359         return 0;
 360 }
 361
 362 static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
 363                                     struct cmd_ds_command *cmd,
 364                                     int cmd_action,
 365                                     int cmd_oid, void *pdata_buf)
 366 {
 367         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 368         wlan_adapter *adapter = priv->adapter;
 369         u8 ucTemp;
 370
 371         lbs_deb_enter(LBS_DEB_CMD);
 372
 373         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 374
 375         cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
 376         cmd->size =
 377             cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
 378                              S_DS_GEN);
 379
 380         switch (cmd_oid) {
 381         case OID_802_11_INFRASTRUCTURE_MODE:
 382         {
 383                 u8 mode = (u8) (size_t) pdata_buf;
 384                 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
 385                 pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
 386                 pSNMPMIB->bufsize = sizeof(u8);
 387                 if (mode == IW_MODE_ADHOC) {
 388                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 389                 } else {
 390                         /* Infra and Auto modes */
 391                         ucTemp = SNMP_MIB_VALUE_INFRA;
 392                 }
 393
 394                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 395
 396                 break;
 397         }
 398
 399         case OID_802_11D_ENABLE:
 400                 {
 401                         u32 ulTemp;
 402
 403                         pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
 404
 405                         if (cmd_action == cmd_act_set) {
 406                                 pSNMPMIB->querytype = cmd_act_set;
 407                                 pSNMPMIB->bufsize = sizeof(u16);
 408                                 ulTemp = *(u32 *)pdata_buf;
 409                                 *((unsigned short *)(pSNMPMIB->value)) =
 410                                     cpu_to_le16((u16) ulTemp);
 411                         }
 412                         break;
 413                 }
 414
 415         case OID_802_11_FRAGMENTATION_THRESHOLD:
 416                 {
 417                         u32 ulTemp;
 418
 419                         pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
 420
 421                         if (cmd_action == cmd_act_get) {
 422                                 pSNMPMIB->querytype =
 423                                     cpu_to_le16(cmd_act_get);
 424                         } else if (cmd_action == cmd_act_set) {
 425                                 pSNMPMIB->querytype =
 426                                     cpu_to_le16(cmd_act_set);
 427                                 pSNMPMIB->bufsize =
 428                                     cpu_to_le16(sizeof(u16));
 429                                 ulTemp = *((u32 *) pdata_buf);
 430                                 *((unsigned short *)(pSNMPMIB->value)) =
 431                                     cpu_to_le16((u16) ulTemp);
 432
 433                         }
 434
 435                         break;
 436                 }
 437
 438         case OID_802_11_RTS_THRESHOLD:
 439                 {
 440
 441                         u32 ulTemp;
 442                         pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
 443
 444                         if (cmd_action == cmd_act_get) {
 445                                 pSNMPMIB->querytype =
 446                                     cpu_to_le16(cmd_act_get);
 447                         } else if (cmd_action == cmd_act_set) {
 448                                 pSNMPMIB->querytype =
 449                                     cpu_to_le16(cmd_act_set);
 450                                 pSNMPMIB->bufsize =
 451                                     cpu_to_le16(sizeof(u16));
 452                                 ulTemp = *((u32 *)
 453                                            pdata_buf);
 454                                 *(unsigned short *)(pSNMPMIB->value) =
 455                                     cpu_to_le16((u16) ulTemp);
 456
 457                         }
 458                         break;
 459                 }
 460         case OID_802_11_TX_RETRYCOUNT:
 461                 pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
 462
 463                 if (cmd_action == cmd_act_get) {
 464                         pSNMPMIB->querytype =
 465                             cpu_to_le16(cmd_act_get);
 466                 } else if (cmd_action == cmd_act_set) {
 467                         pSNMPMIB->querytype =
 468                             cpu_to_le16(cmd_act_set);
 469                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 470                         *((unsigned short *)(pSNMPMIB->value)) =
 471                             cpu_to_le16((u16) adapter->txretrycount);
 472                 }
 473
 474                 break;
 475         default:
 476                 break;
 477         }
 478
 479         lbs_deb_cmd(
 480                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 481                cmd->command, cmd->size, cmd->seqnum, cmd->result);
 482
 483         lbs_deb_cmd(
 484                "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
 485                pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
 486                *(u16 *) pSNMPMIB->value);
 487
 488         lbs_deb_leave(LBS_DEB_CMD);
 489         return 0;
 490 }
 491
 492 static int wlan_cmd_802_11_radio_control(wlan_private * priv,
 493                                          struct cmd_ds_command *cmd,
 494                                          int cmd_action)
 495 {
 496         wlan_adapter *adapter = priv->adapter;
 497         struct cmd_ds_802_11_radio_control *pradiocontrol =
 498             &cmd->params.radio;
 499
 500         lbs_deb_enter(LBS_DEB_CMD);
 501
 502         cmd->size =
 503             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 504                              S_DS_GEN);
 505         cmd->command = cpu_to_le16(cmd_802_11_radio_control);
 506
 507         pradiocontrol->action = cpu_to_le16(cmd_action);
 508
 509         switch (adapter->preamble) {
 510         case cmd_type_short_preamble:
 511                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 512                 break;
 513
 514         case cmd_type_long_preamble:
 515                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 516                 break;
 517
 518         case cmd_type_auto_preamble:
 519         default:
 520                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 521                 break;
 522         }
 523
 524         if (adapter->radioon)
 525                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 526         else
 527                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 528
 529         lbs_deb_leave(LBS_DEB_CMD);
 530         return 0;
 531 }
 532
 533 static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
 534                                        struct cmd_ds_command *cmd,
 535                                        u16 cmd_action, void *pdata_buf)
 536 {
 537
 538         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 539
 540         lbs_deb_enter(LBS_DEB_CMD);
 541
 542         cmd->size =
 543             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
 544                              S_DS_GEN);
 545         cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
 546         prtp->action = cmd_action;
 547
 548         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
 549                cmd->command, prtp->action);
 550
 551         switch (cmd_action) {
 552         case cmd_act_tx_power_opt_get:
 553                 prtp->action = cpu_to_le16(cmd_act_get);
 554                 prtp->currentlevel = 0;
 555                 break;
 556
 557         case cmd_act_tx_power_opt_set_high:
 558                 prtp->action = cpu_to_le16(cmd_act_set);
 559                 prtp->currentlevel =
 560                     cpu_to_le16(cmd_act_tx_power_index_high);
 561                 break;
 562
 563         case cmd_act_tx_power_opt_set_mid:
 564                 prtp->action = cpu_to_le16(cmd_act_set);
 565                 prtp->currentlevel =
 566                     cpu_to_le16(cmd_act_tx_power_index_mid);
 567                 break;
 568
 569         case cmd_act_tx_power_opt_set_low:
 570                 prtp->action = cpu_to_le16(cmd_act_set);
 571                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 572                 break;
 573         }
 574
 575         lbs_deb_leave(LBS_DEB_CMD);
 576         return 0;
 577 }
 578
 579 static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
 580                                       struct cmd_ds_command *cmd,
 581                                       u16 cmd_action, void *pdata_buf)
 582 {
 583         struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
 584
 585         cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
 586         cmd->size =
 587             cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
 588                              S_DS_GEN);
 589
 590         rant->action = cpu_to_le16(cmd_action);
 591         if ((cmd_action == cmd_act_set_rx) ||
 592             (cmd_action == cmd_act_set_tx)) {
 593                 rant->antennamode =
 594                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 595         }
 596
 597         return 0;
 598 }
 599
 600 static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
 601                                               struct cmd_ds_command *cmd,
 602                                               u16 cmd_action)
 603 {
 604         struct cmd_ds_802_11_rate_adapt_rateset
 605         *rateadapt = &cmd->params.rateset;
 606         wlan_adapter *adapter = priv->adapter;
 607
 608         cmd->size =
 609             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 610                              + S_DS_GEN);
 611         cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
 612
 613         lbs_deb_enter(LBS_DEB_CMD);
 614
 615         rateadapt->action = cmd_action;
 616         rateadapt->enablehwauto = adapter->enablehwauto;
 617         rateadapt->bitmap = adapter->ratebitmap;
 618
 619         lbs_deb_leave(LBS_DEB_CMD);
 620         return 0;
 621 }
 622
 623 static int wlan_cmd_802_11_data_rate(wlan_private * priv,
 624                                      struct cmd_ds_command *cmd,
 625                                      u16 cmd_action)
 626 {
 627         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
 628         wlan_adapter *adapter = priv->adapter;
 629         u16 action = cmd_action;
 630
 631         lbs_deb_enter(LBS_DEB_CMD);
 632
 633         cmd->size =
 634             cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
 635                              S_DS_GEN);
 636
 637         cmd->command = cpu_to_le16(cmd_802_11_data_rate);
 638
 639         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
 640
 641         pdatarate->action = cpu_to_le16(cmd_action);
 642
 643         if (action == cmd_act_set_tx_fix_rate) {
 644                 pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
 645                 lbs_deb_cmd("Setting FW for fixed rate 0x%02X\n",
 646                        adapter->datarate);
 647         } else if (action == cmd_act_set_tx_auto) {
 648                 lbs_deb_cmd("Setting FW for AUTO rate\n");
 649         }
 650
 651         lbs_deb_leave(LBS_DEB_CMD);
 652         return 0;
 653 }
 654
 655 static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
 656                                       struct cmd_ds_command *cmd,
 657                                       u16 cmd_action)
 658 {
 659         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 660         wlan_adapter *adapter = priv->adapter;
 661
 662         cmd->size =
 663             cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 664                              S_DS_GEN);
 665         cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
 666
 667         pMCastAdr->action = cpu_to_le16(cmd_action);
 668         pMCastAdr->nr_of_adrs =
 669             cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
 670         memcpy(pMCastAdr->maclist, adapter->multicastlist,
 671                adapter->nr_of_multicastmacaddr * ETH_ALEN);
 672
 673         return 0;
 674 }
 675
 676 static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
 677                                       struct cmd_ds_command *cmd,
 678                                       int option, void *pdata_buf)
 679 {
 680         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 681
 682         cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
 683         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
 684                                      + S_DS_GEN);
 685
 686         if (option == cmd_opt_802_11_rf_channel_set) {
 687                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 688         }
 689
 690         rfchan->action = cpu_to_le16(option);
 691
 692         return 0;
 693 }
 694
 695 static int wlan_cmd_802_11_rssi(wlan_private * priv,
 696                                 struct cmd_ds_command *cmd)
 697 {
 698         wlan_adapter *adapter = priv->adapter;
 699
 700         cmd->command = cpu_to_le16(cmd_802_11_rssi);
 701         cmd->size =
 702             cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 703         cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
 704
 705         /* reset Beacon SNR/NF/RSSI values */
 706         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 707         adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 708         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 709         adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
 710         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 711         adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 712
 713         return 0;
 714 }
 715
 716 static int wlan_cmd_reg_access(wlan_private * priv,
 717                                struct cmd_ds_command *cmdptr,
 718                                u8 cmd_action, void *pdata_buf)
 719 {
 720         struct wlan_offset_value *offval;
 721
 722         lbs_deb_enter(LBS_DEB_CMD);
 723
 724         offval = (struct wlan_offset_value *)pdata_buf;
 725
 726         switch (cmdptr->command) {
 727         case cmd_mac_reg_access:
 728                 {
 729                         struct cmd_ds_mac_reg_access *macreg;
 730
 731                         cmdptr->size =
 732                             cpu_to_le16(sizeof
 733                                              (struct cmd_ds_mac_reg_access)
 734                                              + S_DS_GEN);
 735                         macreg =
 736                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 737                             macreg;
 738
 739                         macreg->action = cpu_to_le16(cmd_action);
 740                         macreg->offset = cpu_to_le16((u16) offval->offset);
 741                         macreg->value = cpu_to_le32(offval->value);
 742
 743                         break;
 744                 }
 745
 746         case cmd_bbp_reg_access:
 747                 {
 748                         struct cmd_ds_bbp_reg_access *bbpreg;
 749
 750                         cmdptr->size =
 751                             cpu_to_le16(sizeof
 752                                              (struct cmd_ds_bbp_reg_access)
 753                                              + S_DS_GEN);
 754                         bbpreg =
 755                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 756                             bbpreg;
 757
 758                         bbpreg->action = cpu_to_le16(cmd_action);
 759                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 760                         bbpreg->value = (u8) offval->value;
 761
 762                         break;
 763                 }
 764
 765         case cmd_rf_reg_access:
 766                 {
 767                         struct cmd_ds_rf_reg_access *rfreg;
 768
 769                         cmdptr->size =
 770                             cpu_to_le16(sizeof
 771                                              (struct cmd_ds_rf_reg_access) +
 772                                              S_DS_GEN);
 773                         rfreg =
 774                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 775                             rfreg;
 776
 777                         rfreg->action = cpu_to_le16(cmd_action);
 778                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 779                         rfreg->value = (u8) offval->value;
 780
 781                         break;
 782                 }
 783
 784         default:
 785                 break;
 786         }
 787
 788         lbs_deb_leave(LBS_DEB_CMD);
 789         return 0;
 790 }
 791
 792 static int wlan_cmd_802_11_mac_address(wlan_private * priv,
 793                                        struct cmd_ds_command *cmd,
 794                                        u16 cmd_action)
 795 {
 796         wlan_adapter *adapter = priv->adapter;
 797
 798         cmd->command = cpu_to_le16(cmd_802_11_mac_address);
 799         cmd->size =
 800             cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 801                              S_DS_GEN);
 802         cmd->result = 0;
 803
 804         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 805
 806         if (cmd_action == cmd_act_set) {
 807                 memcpy(cmd->params.macadd.macadd,
 808                        adapter->current_addr, ETH_ALEN);
 809                 lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
 810         }
 811
 812         return 0;
 813 }
 814
 815 static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
 816                                          struct cmd_ds_command *cmd,
 817                                          int cmd_action, void *pdata_buf)
 818 {
 819         struct wlan_ioctl_regrdwr *ea = pdata_buf;
 820
 821         lbs_deb_enter(LBS_DEB_CMD);
 822
 823         cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
 824         cmd->size =
 825             cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 826                              S_DS_GEN);
 827         cmd->result = 0;
 828
 829         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 830         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 831         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 832         cmd->params.rdeeprom.value = 0;
 833
 834         return 0;
 835 }
 836
 837 static int wlan_cmd_bt_access(wlan_private * priv,
 838                                struct cmd_ds_command *cmd,
 839                                u16 cmd_action, void *pdata_buf)
 840 {
 841         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 842         lbs_deb_cmd("BT CMD(%d)\n", cmd_action);
 843
 844         cmd->command = cpu_to_le16(cmd_bt_access);
 845         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
 846                                      + S_DS_GEN);
 847         cmd->result = 0;
 848         bt_access->action = cpu_to_le16(cmd_action);
 849
 850         switch (cmd_action) {
 851         case cmd_act_bt_access_add:
 852                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 853                 lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
 854                 break;
 855         case cmd_act_bt_access_del:
 856                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 857                 lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
 858                 break;
 859         case cmd_act_bt_access_list:
 860                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 861                 break;
 862         case cmd_act_bt_access_reset:
 863                 break;
 864         case cmd_act_bt_access_set_invert:
 865                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 866                 break;
 867         case cmd_act_bt_access_get_invert:
 868                 break;
 869         default:
 870                 break;
 871         }
 872         return 0;
 873 }
 874
 875 static int wlan_cmd_fwt_access(wlan_private * priv,
 876                                struct cmd_ds_command *cmd,
 877                                u16 cmd_action, void *pdata_buf)
 878 {
 879         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 880         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 881
 882         cmd->command = cpu_to_le16(cmd_fwt_access);
 883         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
 884                                      + S_DS_GEN);
 885         cmd->result = 0;
 886
 887         if (pdata_buf)
 888                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
 889         else
 890                 memset(fwt_access, 0, sizeof(*fwt_access));
 891
 892         fwt_access->action = cpu_to_le16(cmd_action);
 893
 894         return 0;
 895 }
 896
 897 static int wlan_cmd_mesh_access(wlan_private * priv,
 898                                 struct cmd_ds_command *cmd,
 899                                 u16 cmd_action, void *pdata_buf)
 900 {
 901         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
 902         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 903
 904         cmd->command = cpu_to_le16(cmd_mesh_access);
 905         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
 906                                      + S_DS_GEN);
 907         cmd->result = 0;
 908
 909         if (pdata_buf)
 910                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
 911         else
 912                 memset(mesh_access, 0, sizeof(*mesh_access));
 913
 914         mesh_access->action = cpu_to_le16(cmd_action);
 915
 916         return 0;
 917 }
 918
 919 void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
 920 {
 921         unsigned long flags;
 922         struct cmd_ds_command *cmdptr;
 923
 924         lbs_deb_enter(LBS_DEB_CMD);
 925
 926         if (!cmdnode) {
 927                 lbs_deb_cmd("QUEUE_CMD: cmdnode is NULL\n");
 928                 goto done;
 929         }
 930
 931         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 932         if (!cmdptr) {
 933                 lbs_deb_cmd("QUEUE_CMD: cmdptr is NULL\n");
 934                 goto done;
 935         }
 936
 937         /* Exit_PS command needs to be queued in the header always. */
 938         if (cmdptr->command == cmd_802_11_ps_mode) {
 939                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
 940                 if (psm->action == cmd_subcmd_exit_ps) {
 941                         if (adapter->psstate != PS_STATE_FULL_POWER)
 942                                 addtail = 0;
 943                 }
 944         }
 945
 946         spin_lock_irqsave(&adapter->driver_lock, flags);
 947
 948         if (addtail)
 949                 list_add_tail((struct list_head *)cmdnode,
 950                               &adapter->cmdpendingq);
 951         else
 952                 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
 953
 954         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 955
 956         lbs_deb_cmd("QUEUE_CMD: Inserted node=%p, cmd=0x%x in cmdpendingq\n",
 957                cmdnode,
 958                ((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
 959
 960 done:
 961         lbs_deb_leave(LBS_DEB_CMD);
 962 }
 963
 964 /*
 965  * TODO: Fix the issue when DownloadcommandToStation is being called the
 966  * second time when the command timesout. All the cmdptr->xxx are in little
 967  * endian and therefore all the comparissions will fail.
 968  * For now - we are not performing the endian conversion the second time - but
 969  * for PS and DEEP_SLEEP we need to worry
 970  */
 971 static int DownloadcommandToStation(wlan_private * priv,
 972                                     struct cmd_ctrl_node *cmdnode)
 973 {
 974         unsigned long flags;
 975         struct cmd_ds_command *cmdptr;
 976         wlan_adapter *adapter = priv->adapter;
 977         int ret = 0;
 978         u16 cmdsize;
 979         u16 command;
 980
 981         lbs_deb_enter(LBS_DEB_CMD);
 982
 983         if (!adapter || !cmdnode) {
 984                 lbs_deb_cmd("DNLD_CMD: adapter = %p, cmdnode = %p\n",
 985                        adapter, cmdnode);
 986                 if (cmdnode) {
 987                         spin_lock_irqsave(&adapter->driver_lock, flags);
 988                         __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 989                         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 990                 }
 991                 ret = -1;
 992                 goto done;
 993         }
 994
 995         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 996
 997
 998         spin_lock_irqsave(&adapter->driver_lock, flags);
 999         if (!cmdptr || !cmdptr->size) {
1000                 lbs_deb_cmd("DNLD_CMD: cmdptr is Null or cmd size is Zero, "
1001                        "Not sending\n");
1002                 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
1003                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1004                 ret = -1;
1005                 goto done;
1006         }
1007
1008         adapter->cur_cmd = cmdnode;
1009         adapter->cur_cmd_retcode = 0;
1010         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1011         lbs_deb_cmd("DNLD_CMD:: Before download, size of cmd = %d\n",
1012                cmdptr->size);
1013
1014         cmdsize = cmdptr->size;
1015
1016         command = cpu_to_le16(cmdptr->command);
1017
1018         cmdnode->cmdwaitqwoken = 0;
1019         cmdsize = cpu_to_le16(cmdsize);
1020
1021         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1022
1023         if (ret != 0) {
1024                 lbs_deb_cmd("DNLD_CMD: Host to Card failed\n");
1025                 spin_lock_irqsave(&adapter->driver_lock, flags);
1026                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1027                 adapter->cur_cmd = NULL;
1028                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1029                 ret = -1;
1030                 goto done;
1031         }
1032
1033         lbs_deb_cmd("DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
1034         lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
1035
1036         /* Setup the timer after transmit command */
1037         if (command == cmd_802_11_scan
1038             || command == cmd_802_11_authenticate
1039             || command == cmd_802_11_associate)
1040                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1041         else
1042                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1043
1044         ret = 0;
1045
1046 done:
1047         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1048         return ret;
1049 }
1050
1051 static int wlan_cmd_mac_control(wlan_private * priv,
1052                                 struct cmd_ds_command *cmd)
1053 {
1054         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1055
1056         lbs_deb_enter(LBS_DEB_CMD);
1057
1058         cmd->command = cpu_to_le16(cmd_mac_control);
1059         cmd->size =
1060             cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1061         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1062
1063         lbs_deb_cmd("wlan_cmd_mac_control(): action=0x%X size=%d\n",
1064                mac->action, cmd->size);
1065
1066         lbs_deb_leave(LBS_DEB_CMD);
1067         return 0;
1068 }
1069
1070 /**
1071  *  This function inserts command node to cmdfreeq
1072  *  after cleans it. Requires adapter->driver_lock held.
1073  */
1074 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1075 {
1076         wlan_adapter *adapter = priv->adapter;
1077
1078         if (!ptempcmd)
1079                 goto done;
1080
1081         cleanup_cmdnode(ptempcmd);
1082         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1083 done:
1084         return;
1085 }
1086
1087 void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1088 {
1089         unsigned long flags;
1090
1091         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1092         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1093         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1094 }
1095
1096 int libertas_set_radio_control(wlan_private * priv)
1097 {
1098         int ret = 0;
1099
1100         lbs_deb_enter(LBS_DEB_CMD);
1101
1102         ret = libertas_prepare_and_send_command(priv,
1103                                     cmd_802_11_radio_control,
1104                                     cmd_act_set,
1105                                     cmd_option_waitforrsp, 0, NULL);
1106
1107         lbs_deb_cmd("RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
1108                priv->adapter->radioon, priv->adapter->preamble);
1109
1110         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1111         return ret;
1112 }
1113
1114 int libertas_set_mac_packet_filter(wlan_private * priv)
1115 {
1116         int ret = 0;
1117
1118         lbs_deb_enter(LBS_DEB_CMD);
1119
1120         lbs_deb_cmd("libertas_set_mac_packet_filter value = %x\n",
1121                priv->adapter->currentpacketfilter);
1122
1123         /* Send MAC control command to station */
1124         ret = libertas_prepare_and_send_command(priv,
1125                                     cmd_mac_control, 0, 0, 0, NULL);
1126
1127         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1128         return ret;
1129 }
1130
1131 /**
1132  *  @brief This function prepare the command before send to firmware.
1133  *
1134  *  @param priv         A pointer to wlan_private structure
1135  *  @param cmd_no       command number
1136  *  @param cmd_action   command action: GET or SET
1137  *  @param wait_option  wait option: wait response or not
1138  *  @param cmd_oid      cmd oid: treated as sub command
1139  *  @param pdata_buf    A pointer to informaion buffer
1140  *  @return             0 or -1
1141  */
1142 int libertas_prepare_and_send_command(wlan_private * priv,
1143                           u16 cmd_no,
1144                           u16 cmd_action,
1145                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1146 {
1147         int ret = 0;
1148         wlan_adapter *adapter = priv->adapter;
1149         struct cmd_ctrl_node *cmdnode;
1150         struct cmd_ds_command *cmdptr;
1151         unsigned long flags;
1152
1153         lbs_deb_enter(LBS_DEB_CMD);
1154
1155         if (!adapter) {
1156                 lbs_deb_cmd("PREP_CMD: adapter is Null\n");
1157                 ret = -1;
1158                 goto done;
1159         }
1160
1161         if (adapter->surpriseremoved) {
1162                 lbs_deb_cmd("PREP_CMD: Card is Removed\n");
1163                 ret = -1;
1164                 goto done;
1165         }
1166
1167         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1168
1169         if (cmdnode == NULL) {
1170                 lbs_deb_cmd("PREP_CMD: No free cmdnode\n");
1171
1172                 /* Wake up main thread to execute next command */
1173                 wake_up_interruptible(&priv->mainthread.waitq);
1174                 ret = -1;
1175                 goto done;
1176         }
1177
1178         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1179
1180         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1181
1182         lbs_deb_cmd("PREP_CMD: Val of cmd ptr=%p, command=0x%X\n",
1183                cmdptr, cmd_no);
1184
1185         if (!cmdptr) {
1186                 lbs_deb_cmd("PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
1187                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1188                 ret = -1;
1189                 goto done;
1190         }
1191
1192         /* Set sequence number, command and INT option */
1193         adapter->seqnum++;
1194         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1195
1196         cmdptr->command = cmd_no;
1197         cmdptr->result = 0;
1198
1199         switch (cmd_no) {
1200         case cmd_get_hw_spec:
1201                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1202                 break;
1203         case cmd_802_11_ps_mode:
1204                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1205                 break;
1206
1207         case cmd_802_11_scan:
1208                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1209                 break;
1210
1211         case cmd_mac_control:
1212                 ret = wlan_cmd_mac_control(priv, cmdptr);
1213                 break;
1214
1215         case cmd_802_11_associate:
1216         case cmd_802_11_reassociate:
1217                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1218                 break;
1219
1220         case cmd_802_11_deauthenticate:
1221                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1222                 break;
1223
1224         case cmd_802_11_set_wep:
1225                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1226                 break;
1227
1228         case cmd_802_11_ad_hoc_start:
1229                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1230                 break;
1231         case cmd_code_dnld:
1232                 break;
1233
1234         case cmd_802_11_reset:
1235                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1236                 break;
1237
1238         case cmd_802_11_get_log:
1239                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1240                 break;
1241
1242         case cmd_802_11_authenticate:
1243                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1244                 break;
1245
1246         case cmd_802_11_get_stat:
1247                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1248                 break;
1249
1250         case cmd_802_11_snmp_mib:
1251                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1252                                                cmd_action, cmd_oid, pdata_buf);
1253                 break;
1254
1255         case cmd_mac_reg_access:
1256         case cmd_bbp_reg_access:
1257         case cmd_rf_reg_access:
1258                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1259                 break;
1260
1261         case cmd_802_11_rf_channel:
1262                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1263                                                  cmd_action, pdata_buf);
1264                 break;
1265
1266         case cmd_802_11_rf_tx_power:
1267                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1268                                                   cmd_action, pdata_buf);
1269                 break;
1270
1271         case cmd_802_11_radio_control:
1272                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1273                 break;
1274
1275         case cmd_802_11_rf_antenna:
1276                 ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
1277                                                  cmd_action, pdata_buf);
1278                 break;
1279
1280         case cmd_802_11_data_rate:
1281                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1282                 break;
1283         case cmd_802_11_rate_adapt_rateset:
1284                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1285                                                          cmdptr, cmd_action);
1286                 break;
1287
1288         case cmd_mac_multicast_adr:
1289                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1290                 break;
1291
1292         case cmd_802_11_ad_hoc_join:
1293                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1294                 break;
1295
1296         case cmd_802_11_rssi:
1297                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1298                 break;
1299
1300         case cmd_802_11_ad_hoc_stop:
1301                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1302                 break;
1303
1304         case cmd_802_11_enable_rsn:
1305                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
1306                 break;
1307
1308         case cmd_802_11_key_material:
1309                 ret = wlan_cmd_802_11_key_material(priv, cmdptr,
1310                                                    cmd_action, cmd_oid,
1311                                                    pdata_buf);
1312                 break;
1313
1314         case cmd_802_11_pairwise_tsc:
1315                 break;
1316         case cmd_802_11_group_tsc:
1317                 break;
1318
1319         case cmd_802_11_mac_address:
1320                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1321                 break;
1322
1323         case cmd_802_11_eeprom_access:
1324                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1325                                                     cmd_action, pdata_buf);
1326                 break;
1327
1328         case cmd_802_11_set_afc:
1329         case cmd_802_11_get_afc:
1330
1331                 cmdptr->command = cpu_to_le16(cmd_no);
1332                 cmdptr->size =
1333                     cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1334                                      S_DS_GEN);
1335
1336                 memmove(&cmdptr->params.afc,
1337                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1338
1339                 ret = 0;
1340                 goto done;
1341
1342         case cmd_802_11d_domain_info:
1343                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1344                                                    cmd_no, cmd_action);
1345                 break;
1346
1347         case cmd_802_11_sleep_params:
1348                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1349                 break;
1350         case cmd_802_11_inactivity_timeout:
1351                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1352                                                          cmd_action, pdata_buf);
1353                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1354                 break;
1355
1356         case cmd_802_11_tpc_cfg:
1357                 cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
1358                 cmdptr->size =
1359                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1360                                      S_DS_GEN);
1361
1362                 memmove(&cmdptr->params.tpccfg,
1363                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1364
1365                 ret = 0;
1366                 break;
1367         case cmd_802_11_led_gpio_ctrl:
1368                 {
1369                         struct mrvlietypes_ledgpio *gpio =
1370                             (struct mrvlietypes_ledgpio*)
1371                             cmdptr->params.ledgpio.data;
1372
1373                         memmove(&cmdptr->params.ledgpio,
1374                                 pdata_buf,
1375                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1376
1377                         cmdptr->command =
1378                             cpu_to_le16(cmd_802_11_led_gpio_ctrl);
1379
1380 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1381                         cmdptr->size =
1382                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1383                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1384                         gpio->header.len = cpu_to_le16(gpio->header.len);
1385
1386                         ret = 0;
1387                         break;
1388                 }
1389         case cmd_802_11_pwr_cfg:
1390                 cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
1391                 cmdptr->size =
1392                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1393                                      S_DS_GEN);
1394                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1395                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1396
1397                 ret = 0;
1398                 break;
1399         case cmd_bt_access:
1400                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1401                 break;
1402
1403         case cmd_fwt_access:
1404                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1405                 break;
1406
1407         case cmd_mesh_access:
1408                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1409                 break;
1410
1411         case cmd_get_tsf:
1412                 cmdptr->command = cpu_to_le16(cmd_get_tsf);
1413                 cmdptr->size =
1414                     cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
1415                                      + S_DS_GEN);
1416                 ret = 0;
1417                 break;
1418         case cmd_802_11_tx_rate_query:
1419                 cmdptr->command =
1420                     cpu_to_le16(cmd_802_11_tx_rate_query);
1421                 cmdptr->size =
1422                     cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
1423                                      S_DS_GEN);
1424                 adapter->txrate = 0;
1425                 ret = 0;
1426                 break;
1427         default:
1428                 lbs_deb_cmd("PREP_CMD: unknown command- %#x\n", cmd_no);
1429                 ret = -1;
1430                 break;
1431         }
1432
1433         /* return error, since the command preparation failed */
1434         if (ret != 0) {
1435                 lbs_deb_cmd("PREP_CMD: command preparation failed\n");
1436                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1437                 ret = -1;
1438                 goto done;
1439         }
1440
1441         cmdnode->cmdwaitqwoken = 0;
1442
1443         libertas_queue_cmd(adapter, cmdnode, 1);
1444         adapter->nr_cmd_pending++;
1445         wake_up_interruptible(&priv->mainthread.waitq);
1446
1447         if (wait_option & cmd_option_waitforrsp) {
1448                 lbs_deb_cmd("PREP_CMD: Wait for CMD response\n");
1449                 might_sleep();
1450                 wait_event_interruptible(cmdnode->cmdwait_q,
1451                                          cmdnode->cmdwaitqwoken);
1452         }
1453
1454         spin_lock_irqsave(&adapter->driver_lock, flags);
1455         if (adapter->cur_cmd_retcode) {
1456                 lbs_deb_cmd("PREP_CMD: command failed with return code=%d\n",
1457                        adapter->cur_cmd_retcode);
1458                 adapter->cur_cmd_retcode = 0;
1459                 ret = -1;
1460         }
1461         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1462
1463 done:
1464         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1465         return ret;
1466 }
1467 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
1468
1469 /**
1470  *  @brief This function allocates the command buffer and link
1471  *  it to command free queue.
1472  *
1473  *  @param priv         A pointer to wlan_private structure
1474  *  @return             0 or -1
1475  */
1476 int libertas_allocate_cmd_buffer(wlan_private * priv)
1477 {
1478         int ret = 0;
1479         u32 ulbufsize;
1480         u32 i;
1481         struct cmd_ctrl_node *tempcmd_array;
1482         u8 *ptempvirtualaddr;
1483         wlan_adapter *adapter = priv->adapter;
1484
1485         lbs_deb_enter(LBS_DEB_CMD);
1486
1487         /* Allocate and initialize cmdCtrlNode */
1488         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1489
1490         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1491                 lbs_deb_cmd(
1492                        "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
1493                 ret = -1;
1494                 goto done;
1495         }
1496         adapter->cmd_array = tempcmd_array;
1497
1498         /* Allocate and initialize command buffers */
1499         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1500         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1501                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1502                         lbs_deb_cmd(
1503                                "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
1504                         ret = -1;
1505                         goto done;
1506                 }
1507
1508                 /* Update command buffer virtual */
1509                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1510         }
1511
1512         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1513                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1514                 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1515         }
1516
1517         ret = 0;
1518
1519 done:
1520         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1521         return ret;
1522 }
1523
1524 /**
1525  *  @brief This function frees the command buffer.
1526  *
1527  *  @param priv         A pointer to wlan_private structure
1528  *  @return             0 or -1
1529  */
1530 int libertas_free_cmd_buffer(wlan_private * priv)
1531 {
1532         u32 ulbufsize;
1533         unsigned int i;
1534         struct cmd_ctrl_node *tempcmd_array;
1535         wlan_adapter *adapter = priv->adapter;
1536
1537         lbs_deb_enter(LBS_DEB_CMD);
1538
1539         /* need to check if cmd array is allocated or not */
1540         if (adapter->cmd_array == NULL) {
1541                 lbs_deb_cmd("FREE_CMD_BUF: cmd_array is Null\n");
1542                 goto done;
1543         }
1544
1545         tempcmd_array = adapter->cmd_array;
1546
1547         /* Release shared memory buffers */
1548         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1549         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1550                 if (tempcmd_array[i].bufvirtualaddr) {
1551                         lbs_deb_cmd("Free all the array\n");
1552                         kfree(tempcmd_array[i].bufvirtualaddr);
1553                         tempcmd_array[i].bufvirtualaddr = NULL;
1554                 }
1555         }
1556
1557         /* Release cmd_ctrl_node */
1558         if (adapter->cmd_array) {
1559                 lbs_deb_cmd("Free cmd_array\n");
1560                 kfree(adapter->cmd_array);
1561                 adapter->cmd_array = NULL;
1562         }
1563
1564 done:
1565         lbs_deb_leave(LBS_DEB_CMD);
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 wlan_private structure
1574  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1575  */
1576 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1577 {
1578         struct cmd_ctrl_node *tempnode;
1579         wlan_adapter *adapter = priv->adapter;
1580         unsigned long flags;
1581
1582         if (!adapter)
1583                 return NULL;
1584
1585         spin_lock_irqsave(&adapter->driver_lock, flags);
1586
1587         if (!list_empty(&adapter->cmdfreeq)) {
1588                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1589                 list_del((struct list_head *)tempnode);
1590         } else {
1591                 lbs_deb_cmd("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1592                 tempnode = NULL;
1593         }
1594
1595         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1596
1597         if (tempnode) {
1598                 /*
1599                 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
1600                 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
1601                        tempnode);
1602                 */
1603                 cleanup_cmdnode(tempnode);
1604         }
1605
1606         return tempnode;
1607 }
1608
1609 /**
1610  *  @brief This function cleans command node.
1611  *
1612  *  @param ptempnode    A pointer to cmdCtrlNode structure
1613  *  @return             n/a
1614  */
1615 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1616 {
1617         if (!ptempnode)
1618                 return;
1619         ptempnode->cmdwaitqwoken = 1;
1620         wake_up_interruptible(&ptempnode->cmdwait_q);
1621         ptempnode->status = 0;
1622         ptempnode->cmd_oid = (u32) 0;
1623         ptempnode->wait_option = 0;
1624         ptempnode->pdata_buf = NULL;
1625
1626         if (ptempnode->bufvirtualaddr != NULL)
1627                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1628         return;
1629 }
1630
1631 /**
1632  *  @brief This function initializes the command node.
1633  *
1634  *  @param priv         A pointer to wlan_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 libertas_set_cmd_ctrl_node(wlan_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_CMD);
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_CMD);
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 wlan_private structure
1663  *  @return        0 or -1
1664  */
1665 int libertas_execute_next_command(wlan_private * priv)
1666 {
1667         wlan_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         lbs_deb_enter(LBS_DEB_CMD);
1674
1675         spin_lock_irqsave(&adapter->driver_lock, flags);
1676
1677         if (adapter->cur_cmd) {
1678                 lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
1679                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1680                 ret = -1;
1681                 goto done;
1682         }
1683
1684         if (!list_empty(&adapter->cmdpendingq)) {
1685                 cmdnode = (struct cmd_ctrl_node *)
1686                     adapter->cmdpendingq.next;
1687         }
1688
1689         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1690
1691         if (cmdnode) {
1692                 lbs_deb_cmd(
1693                        "EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
1694                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1695
1696                 if (is_command_allowed_in_ps(cmdptr->command)) {
1697                         if ((adapter->psstate == PS_STATE_SLEEP)
1698                             || (adapter->psstate == PS_STATE_PRE_SLEEP)
1699                             ) {
1700                                 lbs_deb_cmd(
1701                                        "EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
1702                                        cmdptr->command, adapter->psstate);
1703                                 ret = -1;
1704                                 goto done;
1705                         }
1706                         lbs_deb_cmd("EXEC_NEXT_CMD: OK to send command "
1707                                "0x%x in psstate %d\n",
1708                                cmdptr->command, adapter->psstate);
1709                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1710                         /*
1711                          * 1. Non-PS command:
1712                          * Queue it. set needtowakeup to TRUE if current state
1713                          * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1714                          * 2. PS command but not Exit_PS:
1715                          * Ignore it.
1716                          * 3. PS command Exit_PS:
1717                          * Set needtowakeup to TRUE if current state is SLEEP,
1718                          * otherwise send this command down to firmware
1719                          * immediately.
1720                          */
1721                         if (cmdptr->command !=
1722                             cpu_to_le16(cmd_802_11_ps_mode)) {
1723                                 /*  Prepare to send Exit PS,
1724                                  *  this non PS command will be sent later */
1725                                 if ((adapter->psstate == PS_STATE_SLEEP)
1726                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1727                                     ) {
1728                                         /* w/ new scheme, it will not reach here.
1729                                            since it is blocked in main_thread. */
1730                                         adapter->needtowakeup = 1;
1731                                 } else
1732                                         libertas_ps_wakeup(priv, 0);
1733
1734                                 ret = 0;
1735                                 goto done;
1736                         } else {
1737                                 /*
1738                                  * PS command. Ignore it if it is not Exit_PS.
1739                                  * otherwise send it down immediately.
1740                                  */
1741                                 struct cmd_ds_802_11_ps_mode *psm =
1742                                     &cmdptr->params.psmode;
1743
1744                                 lbs_deb_cmd(
1745                                        "EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
1746                                        psm->action);
1747                                 if (psm->action !=
1748                                     cpu_to_le16(cmd_subcmd_exit_ps)) {
1749                                         lbs_deb_cmd(
1750                                                "EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
1751                                         list_del((struct list_head *)cmdnode);
1752                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1753
1754                                         ret = 0;
1755                                         goto done;
1756                                 }
1757
1758                                 if ((adapter->psstate == PS_STATE_SLEEP)
1759                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1760                                     ) {
1761                                         lbs_deb_cmd(
1762                                                "EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
1763                                         list_del((struct list_head *)cmdnode);
1764                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1765                                         adapter->needtowakeup = 1;
1766
1767                                         ret = 0;
1768                                         goto done;
1769                                 }
1770
1771                                 lbs_deb_cmd(
1772                                        "EXEC_NEXT_CMD: Sending Exit_PS down...\n");
1773                         }
1774                 }
1775                 list_del((struct list_head *)cmdnode);
1776                 lbs_deb_cmd("EXEC_NEXT_CMD: Sending 0x%04X command\n",
1777                        cmdptr->command);
1778                 DownloadcommandToStation(priv, cmdnode);
1779         } else {
1780                 /*
1781                  * check if in power save mode, if yes, put the device back
1782                  * to PS mode
1783                  */
1784                 if ((adapter->psmode != wlan802_11powermodecam) &&
1785                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1786                     (adapter->connect_status == libertas_connected)) {
1787                         if (adapter->secinfo.WPAenabled
1788                             || adapter->secinfo.WPA2enabled) {
1789                                 /* check for valid WPA group keys */
1790                                 if (adapter->wpa_mcast_key.len
1791                                     || adapter->wpa_unicast_key.len) {
1792                                         lbs_deb_cmd(
1793                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1794                                                " go back to PS_SLEEP");
1795                                         libertas_ps_sleep(priv, 0);
1796                                 }
1797                         } else {
1798                                 lbs_deb_cmd(
1799                                        "EXEC_NEXT_CMD: command PendQ is empty,"
1800                                        " go back to PS_SLEEP");
1801                                 libertas_ps_sleep(priv, 0);
1802                         }
1803                 }
1804         }
1805
1806         ret = 0;
1807 done:
1808         lbs_deb_leave(LBS_DEB_CMD);
1809         return ret;
1810 }
1811
1812 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1813 {
1814         union iwreq_data iwrq;
1815         u8 buf[50];
1816
1817         lbs_deb_enter(LBS_DEB_CMD);
1818
1819         memset(&iwrq, 0, sizeof(union iwreq_data));
1820         memset(buf, 0, sizeof(buf));
1821
1822         snprintf(buf, sizeof(buf) - 1, "%s", str);
1823
1824         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1825
1826         /* Send Event to upper layer */
1827         lbs_deb_cmd("Event Indication string = %s\n",
1828                (char *)buf);
1829         lbs_deb_cmd("Event Indication String length = %d\n", iwrq.data.length);
1830
1831         lbs_deb_cmd("Sending wireless event IWEVCUSTOM for %s\n", str);
1832         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1833
1834         lbs_deb_leave(LBS_DEB_CMD);
1835 }
1836
1837 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1838 {
1839         unsigned long flags;
1840         wlan_adapter *adapter = priv->adapter;
1841         int ret = 0;
1842
1843         lbs_deb_enter(LBS_DEB_CMD);
1844
1845         lbs_deb_cmd("SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
1846                size);
1847
1848         lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
1849
1850         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1851         priv->dnld_sent = DNLD_RES_RECEIVED;
1852
1853         spin_lock_irqsave(&adapter->driver_lock, flags);
1854         if (adapter->intcounter || adapter->currenttxskb)
1855                 lbs_deb_cmd("SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
1856                        adapter->intcounter, adapter->currenttxskb);
1857         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1858
1859         if (ret) {
1860                 lbs_pr_alert(
1861                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1862         } else {
1863                 spin_lock_irqsave(&adapter->driver_lock, flags);
1864                 if (!adapter->intcounter) {
1865                         adapter->psstate = PS_STATE_SLEEP;
1866                 } else {
1867                         lbs_deb_cmd("SEND_SLEEPC_CMD: After sent,IntC=%d\n",
1868                                adapter->intcounter);
1869                 }
1870                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1871
1872                 lbs_deb_cmd("SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
1873                 lbs_deb_cmd("+");
1874         }
1875
1876         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1877         return ret;
1878 }
1879
1880 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1881 {
1882         lbs_deb_enter(LBS_DEB_CMD);
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         libertas_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_CMD);
1893 }
1894
1895 /**
1896  *  @brief This function sends Eixt_PS command to firmware.
1897  *
1898  *  @param priv         A pointer to wlan_private structure
1899  *  @param wait_option  wait response or not
1900  *  @return             n/a
1901  */
1902 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1903 {
1904         enum WLAN_802_11_POWER_MODE Localpsmode;
1905
1906         lbs_deb_enter(LBS_DEB_CMD);
1907
1908         Localpsmode = wlan802_11powermodecam;
1909
1910         lbs_deb_cmd("Exit_PS: Localpsmode = %d\n", Localpsmode);
1911
1912         libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1913                               cmd_subcmd_exit_ps,
1914                               wait_option, 0, &Localpsmode);
1915
1916         lbs_deb_leave(LBS_DEB_CMD);
1917 }
1918
1919 /**
1920  *  @brief This function checks condition and prepares to
1921  *  send sleep confirm command to firmware if ok.
1922  *
1923  *  @param priv         A pointer to wlan_private structure
1924  *  @param psmode       Power Saving mode
1925  *  @return             n/a
1926  */
1927 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1928 {
1929         unsigned long flags =0;
1930         wlan_adapter *adapter = priv->adapter;
1931         u8 allowed = 1;
1932
1933         lbs_deb_enter(LBS_DEB_CMD);
1934
1935         if (priv->dnld_sent) {
1936                 allowed = 0;
1937                 lbs_deb_cmd("D");
1938         }
1939
1940         spin_lock_irqsave(&adapter->driver_lock, flags);
1941         if (adapter->cur_cmd) {
1942                 allowed = 0;
1943                 lbs_deb_cmd("C");
1944         }
1945         if (adapter->intcounter > 0) {
1946                 allowed = 0;
1947                 lbs_deb_cmd("I%d", adapter->intcounter);
1948         }
1949         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1950
1951         if (allowed) {
1952                 lbs_deb_cmd("Sending libertas_ps_confirm_sleep\n");
1953                 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1954                                  sizeof(struct PS_CMD_ConfirmSleep));
1955         } else {
1956                 lbs_deb_cmd("Sleep Confirm has been delayed\n");
1957         }
1958
1959         lbs_deb_leave(LBS_DEB_CMD);
1960 }