SAFE public projects git trees. - safe/jmp/linux-2.6/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 "sbi.h"
  10 #include "decl.h"
  11 #include "defs.h"
  12 #include "dev.h"
  13 #include "join.h"
  14 #include "wext.h"
  15
  16 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  17
  18 static u16 commands_allowed_in_ps[] = {
  19         cmd_802_11_rssi,
  20 };
  21
  22 /**
  23  *  @brief This function checks if the commans is allowed
  24  *  in PS mode not.
  25  *
  26  *  @param command the command ID
  27  *  @return        TRUE or FALSE
  28  */
  29 static u8 is_command_allowed_in_ps(u16 command)
  30 {
  31         int count = sizeof(commands_allowed_in_ps)
  32             / sizeof(commands_allowed_in_ps[0]);
  33         int i;
  34
  35         for (i = 0; i < count; i++) {
  36                 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
  37                         return 1;
  38         }
  39
  40         return 0;
  41 }
  42
  43 static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
  44 {
  45         struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
  46
  47         lbs_deb_enter(LBS_DEB_CMD);
  48
  49         cmd->command = cpu_to_le16(cmd_get_hw_spec);
  50         cmd->size =
  51             cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
  52         memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
  53
  54         lbs_deb_leave(LBS_DEB_CMD);
  55         return 0;
  56 }
  57
  58 static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
  59                                    struct cmd_ds_command *cmd,
  60                                    u16 cmd_action)
  61 {
  62         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
  63         u16 action = cmd_action;
  64         wlan_adapter *adapter = priv->adapter;
  65
  66         lbs_deb_enter(LBS_DEB_CMD);
  67
  68         cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
  69         cmd->size =
  70             cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
  71                              S_DS_GEN);
  72         psm->action = cpu_to_le16(cmd_action);
  73         psm->multipledtim = 0;
  74         switch (action) {
  75         case cmd_subcmd_enter_ps:
  76                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
  77                 lbs_deb_cmd("locallisteninterval = %d\n",
  78                        adapter->locallisteninterval);
  79
  80                 psm->locallisteninterval =
  81                     cpu_to_le16(adapter->locallisteninterval);
  82                 psm->nullpktinterval =
  83                     cpu_to_le16(adapter->nullpktinterval);
  84                 psm->multipledtim =
  85                     cpu_to_le16(priv->adapter->multipledtim);
  86                 break;
  87
  88         case cmd_subcmd_exit_ps:
  89                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
  90                 break;
  91
  92         case cmd_subcmd_sleep_confirmed:
  93                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
  94                 break;
  95
  96         default:
  97                 break;
  98         }
  99
 100         lbs_deb_leave(LBS_DEB_CMD);
 101         return 0;
 102 }
 103
 104 static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
 105                                               struct cmd_ds_command *cmd,
 106                                               u16 cmd_action, void *pdata_buf)
 107 {
 108         u16 *timeout = pdata_buf;
 109
 110         cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
 111         cmd->size =
 112             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 113                              + S_DS_GEN);
 114
 115         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 116
 117         if (cmd_action)
 118                 cmd->params.inactivity_timeout.timeout =
 119                     cpu_to_le16(*timeout);
 120         else
 121                 cmd->params.inactivity_timeout.timeout = 0;
 122
 123         return 0;
 124 }
 125
 126 static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
 127                                         struct cmd_ds_command *cmd,
 128                                         u16 cmd_action)
 129 {
 130         wlan_adapter *adapter = priv->adapter;
 131         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 132
 133         lbs_deb_enter(LBS_DEB_CMD);
 134
 135         cmd->size =
 136             cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 137                              S_DS_GEN);
 138         cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
 139
 140         if (cmd_action == cmd_act_get) {
 141                 memset(&adapter->sp, 0, sizeof(struct sleep_params));
 142                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 143                 sp->action = cpu_to_le16(cmd_action);
 144         } else if (cmd_action == cmd_act_set) {
 145                 sp->action = cpu_to_le16(cmd_action);
 146                 sp->error = cpu_to_le16(adapter->sp.sp_error);
 147                 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
 148                 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
 149                 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
 150                 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
 151                 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
 152         }
 153
 154         lbs_deb_leave(LBS_DEB_CMD);
 155         return 0;
 156 }
 157
 158 static int wlan_cmd_802_11_set_wep(wlan_private * priv,
 159                                    struct cmd_ds_command *cmd,
 160                                    u32 cmd_act,
 161                                    void * pdata_buf)
 162 {
 163         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 164         wlan_adapter *adapter = priv->adapter;
 165         int ret = 0;
 166         struct assoc_request * assoc_req = pdata_buf;
 167
 168         lbs_deb_enter(LBS_DEB_CMD);
 169
 170         cmd->command = cpu_to_le16(cmd_802_11_set_wep);
 171         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
 172                                      + S_DS_GEN);
 173
 174         if (cmd_act == cmd_act_add) {
 175                 int i;
 176
 177                 if (!assoc_req) {
 178                         lbs_deb_cmd("Invalid association request!");
 179                         ret = -1;
 180                         goto done;
 181                 }
 182
 183                 wep->action = cpu_to_le16(cmd_act_add);
 184
 185                 /* default tx key index */
 186                 wep->keyindex = cpu_to_le16((u16)
 187                                                  (assoc_req->wep_tx_keyidx &
 188                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 189
 190                 lbs_deb_cmd("Tx key Index: %u\n", wep->keyindex);
 191
 192                 /* Copy key types and material to host command structure */
 193                 for (i = 0; i < 4; i++) {
 194                         struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
 195
 196                         switch (pkey->len) {
 197                         case KEY_LEN_WEP_40:
 198                                 wep->keytype[i] = cmd_type_wep_40_bit;
 199                                 memmove(&wep->keymaterial[i], pkey->key,
 200                                         pkey->len);
 201                                 break;
 202                         case KEY_LEN_WEP_104:
 203                                 wep->keytype[i] = cmd_type_wep_104_bit;
 204                                 memmove(&wep->keymaterial[i], pkey->key,
 205                                         pkey->len);
 206                                 break;
 207                         case 0:
 208                                 break;
 209                         default:
 210                                 lbs_deb_cmd("Invalid WEP key %d length of %d\n",
 211                                        i, pkey->len);
 212                                 ret = -1;
 213                                 goto done;
 214                                 break;
 215                         }
 216                 }
 217         } else if (cmd_act == cmd_act_remove) {
 218                 /* ACT_REMOVE clears _all_ WEP keys */
 219                 wep->action = cpu_to_le16(cmd_act_remove);
 220
 221                 /* default tx key index */
 222                 wep->keyindex = cpu_to_le16((u16)
 223                                                  (adapter->wep_tx_keyidx &
 224                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 225         }
 226
 227         ret = 0;
 228
 229 done:
 230         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 231         return ret;
 232 }
 233
 234 static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
 235                                       struct cmd_ds_command *cmd,
 236                                       u16 cmd_action)
 237 {
 238         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 239         wlan_adapter *adapter = priv->adapter;
 240
 241         cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
 242         cmd->size =
 243             cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
 244                              S_DS_GEN);
 245         penableRSN->action = cpu_to_le16(cmd_action);
 246         if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
 247                 penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
 248         } else {
 249                 penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
 250         }
 251
 252         return 0;
 253 }
 254
 255
 256 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 257                             struct WLAN_802_11_KEY * pkey)
 258 {
 259         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 260
 261         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 262                 pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
 263         } else {
 264                 pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
 265         }
 266
 267         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 268                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 269         } else if (pkey->flags & KEY_INFO_WPA_MCAST) {
 270                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 271         }
 272
 273         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 274         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 275         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 276         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 277                                                 + sizeof(pkeyparamset->keyinfo)
 278                                                 + sizeof(pkeyparamset->keylen)
 279                                                 + sizeof(pkeyparamset->key));
 280 }
 281
 282 static int wlan_cmd_802_11_key_material(wlan_private * priv,
 283                                         struct cmd_ds_command *cmd,
 284                                         u16 cmd_action,
 285                                         u32 cmd_oid, void *pdata_buf)
 286 {
 287         wlan_adapter *adapter = priv->adapter;
 288         struct cmd_ds_802_11_key_material *pkeymaterial =
 289             &cmd->params.keymaterial;
 290         int ret = 0;
 291         int index = 0;
 292
 293         lbs_deb_enter(LBS_DEB_CMD);
 294
 295         cmd->command = cpu_to_le16(cmd_802_11_key_material);
 296         pkeymaterial->action = cpu_to_le16(cmd_action);
 297
 298         if (cmd_action == cmd_act_get) {
 299                 cmd->size = cpu_to_le16(  S_DS_GEN
 300                                              + sizeof (pkeymaterial->action));
 301                 ret = 0;
 302                 goto done;
 303         }
 304
 305         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 306
 307         if (adapter->wpa_unicast_key.len) {
 308                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 309                                 &adapter->wpa_unicast_key);
 310                 index++;
 311         }
 312
 313         if (adapter->wpa_mcast_key.len) {
 314                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 315                                 &adapter->wpa_mcast_key);
 316                 index++;
 317         }
 318
 319         cmd->size = cpu_to_le16(  S_DS_GEN
 320                                      + sizeof (pkeymaterial->action)
 321                                      + index * sizeof(struct MrvlIEtype_keyParamSet));
 322
 323         ret = 0;
 324
 325 done:
 326         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 327         return ret;
 328 }
 329
 330 static int wlan_cmd_802_11_reset(wlan_private * priv,
 331                                  struct cmd_ds_command *cmd, int cmd_action)
 332 {
 333         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 334
 335         cmd->command = cpu_to_le16(cmd_802_11_reset);
 336         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 337         reset->action = cpu_to_le16(cmd_action);
 338
 339         return 0;
 340 }
 341
 342 static int wlan_cmd_802_11_get_log(wlan_private * priv,
 343                                    struct cmd_ds_command *cmd)
 344 {
 345         cmd->command = cpu_to_le16(cmd_802_11_get_log);
 346         cmd->size =
 347                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 348
 349         return 0;
 350 }
 351
 352 static int wlan_cmd_802_11_get_stat(wlan_private * priv,
 353                                     struct cmd_ds_command *cmd)
 354 {
 355         cmd->command = cpu_to_le16(cmd_802_11_get_stat);
 356         cmd->size =
 357             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
 358                              S_DS_GEN);
 359
 360         return 0;
 361 }
 362
 363 static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
 364                                     struct cmd_ds_command *cmd,
 365                                     int cmd_action,
 366                                     int cmd_oid, void *pdata_buf)
 367 {
 368         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 369         wlan_adapter *adapter = priv->adapter;
 370         u8 ucTemp;
 371
 372         lbs_deb_enter(LBS_DEB_CMD);
 373
 374         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 375
 376         cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
 377         cmd->size =
 378             cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
 379                              S_DS_GEN);
 380
 381         switch (cmd_oid) {
 382         case OID_802_11_INFRASTRUCTURE_MODE:
 383         {
 384                 u8 mode = (u8) (size_t) pdata_buf;
 385                 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
 386                 pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
 387                 pSNMPMIB->bufsize = sizeof(u8);
 388                 if (mode == IW_MODE_ADHOC) {
 389                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 390                 } else {
 391                         /* Infra and Auto modes */
 392                         ucTemp = SNMP_MIB_VALUE_INFRA;
 393                 }
 394
 395                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 396
 397                 break;
 398         }
 399
 400         case OID_802_11D_ENABLE:
 401                 {
 402                         u32 ulTemp;
 403
 404                         pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
 405
 406                         if (cmd_action == cmd_act_set) {
 407                                 pSNMPMIB->querytype = cmd_act_set;
 408                                 pSNMPMIB->bufsize = sizeof(u16);
 409                                 ulTemp = *(u32 *)pdata_buf;
 410                                 *((unsigned short *)(pSNMPMIB->value)) =
 411                                     cpu_to_le16((u16) ulTemp);
 412                         }
 413                         break;
 414                 }
 415
 416         case OID_802_11_FRAGMENTATION_THRESHOLD:
 417                 {
 418                         u32 ulTemp;
 419
 420                         pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
 421
 422                         if (cmd_action == cmd_act_get) {
 423                                 pSNMPMIB->querytype =
 424                                     cpu_to_le16(cmd_act_get);
 425                         } else if (cmd_action == cmd_act_set) {
 426                                 pSNMPMIB->querytype =
 427                                     cpu_to_le16(cmd_act_set);
 428                                 pSNMPMIB->bufsize =
 429                                     cpu_to_le16(sizeof(u16));
 430                                 ulTemp = *((u32 *) pdata_buf);
 431                                 *((unsigned short *)(pSNMPMIB->value)) =
 432                                     cpu_to_le16((u16) ulTemp);
 433
 434                         }
 435
 436                         break;
 437                 }
 438
 439         case OID_802_11_RTS_THRESHOLD:
 440                 {
 441
 442                         u32 ulTemp;
 443                         pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
 444
 445                         if (cmd_action == cmd_act_get) {
 446                                 pSNMPMIB->querytype =
 447                                     cpu_to_le16(cmd_act_get);
 448                         } else if (cmd_action == cmd_act_set) {
 449                                 pSNMPMIB->querytype =
 450                                     cpu_to_le16(cmd_act_set);
 451                                 pSNMPMIB->bufsize =
 452                                     cpu_to_le16(sizeof(u16));
 453                                 ulTemp = *((u32 *)
 454                                            pdata_buf);
 455                                 *(unsigned short *)(pSNMPMIB->value) =
 456                                     cpu_to_le16((u16) ulTemp);
 457
 458                         }
 459                         break;
 460                 }
 461         case OID_802_11_TX_RETRYCOUNT:
 462                 pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
 463
 464                 if (cmd_action == cmd_act_get) {
 465                         pSNMPMIB->querytype =
 466                             cpu_to_le16(cmd_act_get);
 467                 } else if (cmd_action == cmd_act_set) {
 468                         pSNMPMIB->querytype =
 469                             cpu_to_le16(cmd_act_set);
 470                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 471                         *((unsigned short *)(pSNMPMIB->value)) =
 472                             cpu_to_le16((u16) adapter->txretrycount);
 473                 }
 474
 475                 break;
 476         default:
 477                 break;
 478         }
 479
 480         lbs_deb_cmd(
 481                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 482                cmd->command, cmd->size, cmd->seqnum, cmd->result);
 483
 484         lbs_deb_cmd(
 485                "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
 486                pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
 487                *(u16 *) pSNMPMIB->value);
 488
 489         lbs_deb_leave(LBS_DEB_CMD);
 490         return 0;
 491 }
 492
 493 static int wlan_cmd_802_11_radio_control(wlan_private * priv,
 494                                          struct cmd_ds_command *cmd,
 495                                          int cmd_action)
 496 {
 497         wlan_adapter *adapter = priv->adapter;
 498         struct cmd_ds_802_11_radio_control *pradiocontrol =
 499             &cmd->params.radio;
 500
 501         lbs_deb_enter(LBS_DEB_CMD);
 502
 503         cmd->size =
 504             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 505                              S_DS_GEN);
 506         cmd->command = cpu_to_le16(cmd_802_11_radio_control);
 507
 508         pradiocontrol->action = cpu_to_le16(cmd_action);
 509
 510         switch (adapter->preamble) {
 511         case cmd_type_short_preamble:
 512                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 513                 break;
 514
 515         case cmd_type_long_preamble:
 516                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 517                 break;
 518
 519         case cmd_type_auto_preamble:
 520         default:
 521                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 522                 break;
 523         }
 524
 525         if (adapter->radioon)
 526                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 527         else
 528                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 529
 530         lbs_deb_leave(LBS_DEB_CMD);
 531         return 0;
 532 }
 533
 534 static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
 535                                        struct cmd_ds_command *cmd,
 536                                        u16 cmd_action, void *pdata_buf)
 537 {
 538
 539         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 540
 541         lbs_deb_enter(LBS_DEB_CMD);
 542
 543         cmd->size =
 544             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
 545                              S_DS_GEN);
 546         cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
 547         prtp->action = cmd_action;
 548
 549         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
 550                cmd->command, prtp->action);
 551
 552         switch (cmd_action) {
 553         case cmd_act_tx_power_opt_get:
 554                 prtp->action = cpu_to_le16(cmd_act_get);
 555                 prtp->currentlevel = 0;
 556                 break;
 557
 558         case cmd_act_tx_power_opt_set_high:
 559                 prtp->action = cpu_to_le16(cmd_act_set);
 560                 prtp->currentlevel =
 561                     cpu_to_le16(cmd_act_tx_power_index_high);
 562                 break;
 563
 564         case cmd_act_tx_power_opt_set_mid:
 565                 prtp->action = cpu_to_le16(cmd_act_set);
 566                 prtp->currentlevel =
 567                     cpu_to_le16(cmd_act_tx_power_index_mid);
 568                 break;
 569
 570         case cmd_act_tx_power_opt_set_low:
 571                 prtp->action = cpu_to_le16(cmd_act_set);
 572                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 573                 break;
 574         }
 575
 576         lbs_deb_leave(LBS_DEB_CMD);
 577         return 0;
 578 }
 579
 580 static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
 581                                       struct cmd_ds_command *cmd,
 582                                       u16 cmd_action, void *pdata_buf)
 583 {
 584         struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
 585
 586         cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
 587         cmd->size =
 588             cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
 589                              S_DS_GEN);
 590
 591         rant->action = cpu_to_le16(cmd_action);
 592         if ((cmd_action == cmd_act_set_rx) ||
 593             (cmd_action == cmd_act_set_tx)) {
 594                 rant->antennamode =
 595                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 596         }
 597
 598         return 0;
 599 }
 600
 601 static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
 602                                               struct cmd_ds_command *cmd,
 603                                               u16 cmd_action)
 604 {
 605         struct cmd_ds_802_11_rate_adapt_rateset
 606         *rateadapt = &cmd->params.rateset;
 607         wlan_adapter *adapter = priv->adapter;
 608
 609         cmd->size =
 610             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 611                              + S_DS_GEN);
 612         cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
 613
 614         lbs_deb_enter(LBS_DEB_CMD);
 615
 616         rateadapt->action = cmd_action;
 617         rateadapt->enablehwauto = adapter->enablehwauto;
 618         rateadapt->bitmap = adapter->ratebitmap;
 619
 620         lbs_deb_leave(LBS_DEB_CMD);
 621         return 0;
 622 }
 623
 624 static int wlan_cmd_802_11_data_rate(wlan_private * priv,
 625                                      struct cmd_ds_command *cmd,
 626                                      u16 cmd_action)
 627 {
 628         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
 629         wlan_adapter *adapter = priv->adapter;
 630         u16 action = cmd_action;
 631
 632         lbs_deb_enter(LBS_DEB_CMD);
 633
 634         cmd->size =
 635             cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
 636                              S_DS_GEN);
 637
 638         cmd->command = cpu_to_le16(cmd_802_11_data_rate);
 639
 640         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
 641
 642         pdatarate->action = cpu_to_le16(cmd_action);
 643
 644         if (action == cmd_act_set_tx_fix_rate) {
 645                 pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
 646                 lbs_deb_cmd("Setting FW for fixed rate 0x%02X\n",
 647                        adapter->datarate);
 648         } else if (action == cmd_act_set_tx_auto) {
 649                 lbs_deb_cmd("Setting FW for AUTO rate\n");
 650         }
 651
 652         lbs_deb_leave(LBS_DEB_CMD);
 653         return 0;
 654 }
 655
 656 static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
 657                                       struct cmd_ds_command *cmd,
 658                                       u16 cmd_action)
 659 {
 660         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 661         wlan_adapter *adapter = priv->adapter;
 662
 663         cmd->size =
 664             cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 665                              S_DS_GEN);
 666         cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
 667
 668         pMCastAdr->action = cpu_to_le16(cmd_action);
 669         pMCastAdr->nr_of_adrs =
 670             cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
 671         memcpy(pMCastAdr->maclist, adapter->multicastlist,
 672                adapter->nr_of_multicastmacaddr * ETH_ALEN);
 673
 674         return 0;
 675 }
 676
 677 static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
 678                                       struct cmd_ds_command *cmd,
 679                                       int option, void *pdata_buf)
 680 {
 681         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 682
 683         cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
 684         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
 685                                      + S_DS_GEN);
 686
 687         if (option == cmd_opt_802_11_rf_channel_set) {
 688                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 689         }
 690
 691         rfchan->action = cpu_to_le16(option);
 692
 693         return 0;
 694 }
 695
 696 static int wlan_cmd_802_11_rssi(wlan_private * priv,
 697                                 struct cmd_ds_command *cmd)
 698 {
 699         wlan_adapter *adapter = priv->adapter;
 700
 701         cmd->command = cpu_to_le16(cmd_802_11_rssi);
 702         cmd->size =
 703             cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 704         cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
 705
 706         /* reset Beacon SNR/NF/RSSI values */
 707         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 708         adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 709         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 710         adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
 711         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 712         adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 713
 714         return 0;
 715 }
 716
 717 static int wlan_cmd_reg_access(wlan_private * priv,
 718                                struct cmd_ds_command *cmdptr,
 719                                u8 cmd_action, void *pdata_buf)
 720 {
 721         struct wlan_offset_value *offval;
 722
 723         lbs_deb_enter(LBS_DEB_CMD);
 724
 725         offval = (struct wlan_offset_value *)pdata_buf;
 726
 727         switch (cmdptr->command) {
 728         case cmd_mac_reg_access:
 729                 {
 730                         struct cmd_ds_mac_reg_access *macreg;
 731
 732                         cmdptr->size =
 733                             cpu_to_le16(sizeof
 734                                              (struct cmd_ds_mac_reg_access)
 735                                              + S_DS_GEN);
 736                         macreg =
 737                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 738                             macreg;
 739
 740                         macreg->action = cpu_to_le16(cmd_action);
 741                         macreg->offset = cpu_to_le16((u16) offval->offset);
 742                         macreg->value = cpu_to_le32(offval->value);
 743
 744                         break;
 745                 }
 746
 747         case cmd_bbp_reg_access:
 748                 {
 749                         struct cmd_ds_bbp_reg_access *bbpreg;
 750
 751                         cmdptr->size =
 752                             cpu_to_le16(sizeof
 753                                              (struct cmd_ds_bbp_reg_access)
 754                                              + S_DS_GEN);
 755                         bbpreg =
 756                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 757                             bbpreg;
 758
 759                         bbpreg->action = cpu_to_le16(cmd_action);
 760                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 761                         bbpreg->value = (u8) offval->value;
 762
 763                         break;
 764                 }
 765
 766         case cmd_rf_reg_access:
 767                 {
 768                         struct cmd_ds_rf_reg_access *rfreg;
 769
 770                         cmdptr->size =
 771                             cpu_to_le16(sizeof
 772                                              (struct cmd_ds_rf_reg_access) +
 773                                              S_DS_GEN);
 774                         rfreg =
 775                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 776                             rfreg;
 777
 778                         rfreg->action = cpu_to_le16(cmd_action);
 779                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 780                         rfreg->value = (u8) offval->value;
 781
 782                         break;
 783                 }
 784
 785         default:
 786                 break;
 787         }
 788
 789         lbs_deb_leave(LBS_DEB_CMD);
 790         return 0;
 791 }
 792
 793 static int wlan_cmd_802_11_mac_address(wlan_private * priv,
 794                                        struct cmd_ds_command *cmd,
 795                                        u16 cmd_action)
 796 {
 797         wlan_adapter *adapter = priv->adapter;
 798
 799         cmd->command = cpu_to_le16(cmd_802_11_mac_address);
 800         cmd->size =
 801             cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 802                              S_DS_GEN);
 803         cmd->result = 0;
 804
 805         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 806
 807         if (cmd_action == cmd_act_set) {
 808                 memcpy(cmd->params.macadd.macadd,
 809                        adapter->current_addr, ETH_ALEN);
 810                 lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
 811         }
 812
 813         return 0;
 814 }
 815
 816 static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
 817                                          struct cmd_ds_command *cmd,
 818                                          int cmd_action, void *pdata_buf)
 819 {
 820         struct wlan_ioctl_regrdwr *ea = pdata_buf;
 821
 822         lbs_deb_enter(LBS_DEB_CMD);
 823
 824         cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
 825         cmd->size =
 826             cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 827                              S_DS_GEN);
 828         cmd->result = 0;
 829
 830         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 831         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 832         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 833         cmd->params.rdeeprom.value = 0;
 834
 835         return 0;
 836 }
 837
 838 static int wlan_cmd_bt_access(wlan_private * priv,
 839                                struct cmd_ds_command *cmd,
 840                                u16 cmd_action, void *pdata_buf)
 841 {
 842         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 843         lbs_deb_cmd("BT CMD(%d)\n", cmd_action);
 844
 845         cmd->command = cpu_to_le16(cmd_bt_access);
 846         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
 847                                      + S_DS_GEN);
 848         cmd->result = 0;
 849         bt_access->action = cpu_to_le16(cmd_action);
 850
 851         switch (cmd_action) {
 852         case cmd_act_bt_access_add:
 853                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 854                 lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
 855                 break;
 856         case cmd_act_bt_access_del:
 857                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 858                 lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
 859                 break;
 860         case cmd_act_bt_access_list:
 861                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 862                 break;
 863         case cmd_act_bt_access_reset:
 864                 break;
 865         default:
 866                 break;
 867         }
 868         return 0;
 869 }
 870
 871 static int wlan_cmd_fwt_access(wlan_private * priv,
 872                                struct cmd_ds_command *cmd,
 873                                u16 cmd_action, void *pdata_buf)
 874 {
 875         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 876         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 877
 878         cmd->command = cpu_to_le16(cmd_fwt_access);
 879         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
 880                                      + S_DS_GEN);
 881         cmd->result = 0;
 882
 883         if (pdata_buf)
 884                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
 885         else
 886                 memset(fwt_access, 0, sizeof(*fwt_access));
 887
 888         fwt_access->action = cpu_to_le16(cmd_action);
 889
 890         return 0;
 891 }
 892
 893 static int wlan_cmd_mesh_access(wlan_private * priv,
 894                                 struct cmd_ds_command *cmd,
 895                                 u16 cmd_action, void *pdata_buf)
 896 {
 897         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
 898         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 899
 900         cmd->command = cpu_to_le16(cmd_mesh_access);
 901         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
 902                                      + S_DS_GEN);
 903         cmd->result = 0;
 904
 905         if (pdata_buf)
 906                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
 907         else
 908                 memset(mesh_access, 0, sizeof(*mesh_access));
 909
 910         mesh_access->action = cpu_to_le16(cmd_action);
 911
 912         return 0;
 913 }
 914
 915 void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
 916 {
 917         unsigned long flags;
 918         struct cmd_ds_command *cmdptr;
 919
 920         lbs_deb_enter(LBS_DEB_CMD);
 921
 922         if (!cmdnode) {
 923                 lbs_deb_cmd("QUEUE_CMD: cmdnode is NULL\n");
 924                 goto done;
 925         }
 926
 927         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 928         if (!cmdptr) {
 929                 lbs_deb_cmd("QUEUE_CMD: cmdptr is NULL\n");
 930                 goto done;
 931         }
 932
 933         /* Exit_PS command needs to be queued in the header always. */
 934         if (cmdptr->command == cmd_802_11_ps_mode) {
 935                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
 936                 if (psm->action == cmd_subcmd_exit_ps) {
 937                         if (adapter->psstate != PS_STATE_FULL_POWER)
 938                                 addtail = 0;
 939                 }
 940         }
 941
 942         spin_lock_irqsave(&adapter->driver_lock, flags);
 943
 944         if (addtail)
 945                 list_add_tail((struct list_head *)cmdnode,
 946                               &adapter->cmdpendingq);
 947         else
 948                 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
 949
 950         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 951
 952         lbs_deb_cmd("QUEUE_CMD: Inserted node=%p, cmd=0x%x in cmdpendingq\n",
 953                cmdnode,
 954                ((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
 955
 956 done:
 957         lbs_deb_leave(LBS_DEB_CMD);
 958 }
 959
 960 /*
 961  * TODO: Fix the issue when DownloadcommandToStation is being called the
 962  * second time when the command timesout. All the cmdptr->xxx are in little
 963  * endian and therefore all the comparissions will fail.
 964  * For now - we are not performing the endian conversion the second time - but
 965  * for PS and DEEP_SLEEP we need to worry
 966  */
 967 static int DownloadcommandToStation(wlan_private * priv,
 968                                     struct cmd_ctrl_node *cmdnode)
 969 {
 970         unsigned long flags;
 971         struct cmd_ds_command *cmdptr;
 972         wlan_adapter *adapter = priv->adapter;
 973         int ret = 0;
 974         u16 cmdsize;
 975         u16 command;
 976
 977         lbs_deb_enter(LBS_DEB_CMD);
 978
 979         if (!adapter || !cmdnode) {
 980                 lbs_deb_cmd("DNLD_CMD: adapter = %p, cmdnode = %p\n",
 981                        adapter, cmdnode);
 982                 if (cmdnode) {
 983                         spin_lock_irqsave(&adapter->driver_lock, flags);
 984                         __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 985                         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 986                 }
 987                 ret = -1;
 988                 goto done;
 989         }
 990
 991         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 992
 993
 994         spin_lock_irqsave(&adapter->driver_lock, flags);
 995         if (!cmdptr || !cmdptr->size) {
 996                 lbs_deb_cmd("DNLD_CMD: cmdptr is Null or cmd size is Zero, "
 997                        "Not sending\n");
 998                 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 999                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1000                 ret = -1;
1001                 goto done;
1002         }
1003
1004         adapter->cur_cmd = cmdnode;
1005         adapter->cur_cmd_retcode = 0;
1006         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1007         lbs_deb_cmd("DNLD_CMD:: Before download, size of cmd = %d\n",
1008                cmdptr->size);
1009
1010         cmdsize = cmdptr->size;
1011
1012         command = cpu_to_le16(cmdptr->command);
1013
1014         cmdnode->cmdwaitqwoken = 0;
1015         cmdsize = cpu_to_le16(cmdsize);
1016
1017         ret = libertas_sbi_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1018
1019         if (ret != 0) {
1020                 lbs_deb_cmd("DNLD_CMD: Host to Card failed\n");
1021                 spin_lock_irqsave(&adapter->driver_lock, flags);
1022                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1023                 adapter->cur_cmd = NULL;
1024                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1025                 ret = -1;
1026                 goto done;
1027         }
1028
1029         lbs_deb_cmd("DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
1030         lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
1031
1032         /* Setup the timer after transmit command */
1033         if (command == cmd_802_11_scan
1034             || command == cmd_802_11_authenticate
1035             || command == cmd_802_11_associate)
1036                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1037         else
1038                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1039
1040         ret = 0;
1041
1042 done:
1043         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1044         return ret;
1045 }
1046
1047 static int wlan_cmd_mac_control(wlan_private * priv,
1048                                 struct cmd_ds_command *cmd)
1049 {
1050         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1051
1052         lbs_deb_enter(LBS_DEB_CMD);
1053
1054         cmd->command = cpu_to_le16(cmd_mac_control);
1055         cmd->size =
1056             cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1057         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1058
1059         lbs_deb_cmd("wlan_cmd_mac_control(): action=0x%X size=%d\n",
1060                mac->action, cmd->size);
1061
1062         lbs_deb_leave(LBS_DEB_CMD);
1063         return 0;
1064 }
1065
1066 /**
1067  *  This function inserts command node to cmdfreeq
1068  *  after cleans it. Requires adapter->driver_lock held.
1069  */
1070 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1071 {
1072         wlan_adapter *adapter = priv->adapter;
1073
1074         if (!ptempcmd)
1075                 goto done;
1076
1077         cleanup_cmdnode(ptempcmd);
1078         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1079 done:
1080         return;
1081 }
1082
1083 void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1084 {
1085         unsigned long flags;
1086
1087         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1088         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1089         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1090 }
1091
1092 int libertas_set_radio_control(wlan_private * priv)
1093 {
1094         int ret = 0;
1095
1096         lbs_deb_enter(LBS_DEB_CMD);
1097
1098         ret = libertas_prepare_and_send_command(priv,
1099                                     cmd_802_11_radio_control,
1100                                     cmd_act_set,
1101                                     cmd_option_waitforrsp, 0, NULL);
1102
1103         lbs_deb_cmd("RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
1104                priv->adapter->radioon, priv->adapter->preamble);
1105
1106         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1107         return ret;
1108 }
1109
1110 int libertas_set_mac_packet_filter(wlan_private * priv)
1111 {
1112         int ret = 0;
1113
1114         lbs_deb_enter(LBS_DEB_CMD);
1115
1116         lbs_deb_cmd("libertas_set_mac_packet_filter value = %x\n",
1117                priv->adapter->currentpacketfilter);
1118
1119         /* Send MAC control command to station */
1120         ret = libertas_prepare_and_send_command(priv,
1121                                     cmd_mac_control, 0, 0, 0, NULL);
1122
1123         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1124         return ret;
1125 }
1126
1127 /**
1128  *  @brief This function prepare the command before send to firmware.
1129  *
1130  *  @param priv         A pointer to wlan_private structure
1131  *  @param cmd_no       command number
1132  *  @param cmd_action   command action: GET or SET
1133  *  @param wait_option  wait option: wait response or not
1134  *  @param cmd_oid      cmd oid: treated as sub command
1135  *  @param pdata_buf    A pointer to informaion buffer
1136  *  @return             0 or -1
1137  */
1138 int libertas_prepare_and_send_command(wlan_private * priv,
1139                           u16 cmd_no,
1140                           u16 cmd_action,
1141                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1142 {
1143         int ret = 0;
1144         wlan_adapter *adapter = priv->adapter;
1145         struct cmd_ctrl_node *cmdnode;
1146         struct cmd_ds_command *cmdptr;
1147         unsigned long flags;
1148
1149         lbs_deb_enter(LBS_DEB_CMD);
1150
1151         if (!adapter) {
1152                 lbs_deb_cmd("PREP_CMD: adapter is Null\n");
1153                 ret = -1;
1154                 goto done;
1155         }
1156
1157         if (adapter->surpriseremoved) {
1158                 lbs_deb_cmd("PREP_CMD: Card is Removed\n");
1159                 ret = -1;
1160                 goto done;
1161         }
1162
1163         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1164
1165         if (cmdnode == NULL) {
1166                 lbs_deb_cmd("PREP_CMD: No free cmdnode\n");
1167
1168                 /* Wake up main thread to execute next command */
1169                 wake_up_interruptible(&priv->mainthread.waitq);
1170                 ret = -1;
1171                 goto done;
1172         }
1173
1174         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1175
1176         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1177
1178         lbs_deb_cmd("PREP_CMD: Val of cmd ptr=%p, command=0x%X\n",
1179                cmdptr, cmd_no);
1180
1181         if (!cmdptr) {
1182                 lbs_deb_cmd("PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
1183                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1184                 ret = -1;
1185                 goto done;
1186         }
1187
1188         /* Set sequence number, command and INT option */
1189         adapter->seqnum++;
1190         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1191
1192         cmdptr->command = cmd_no;
1193         cmdptr->result = 0;
1194
1195         switch (cmd_no) {
1196         case cmd_get_hw_spec:
1197                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1198                 break;
1199         case cmd_802_11_ps_mode:
1200                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1201                 break;
1202
1203         case cmd_802_11_scan:
1204                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1205                 break;
1206
1207         case cmd_mac_control:
1208                 ret = wlan_cmd_mac_control(priv, cmdptr);
1209                 break;
1210
1211         case cmd_802_11_associate:
1212         case cmd_802_11_reassociate:
1213                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1214                 break;
1215
1216         case cmd_802_11_deauthenticate:
1217                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1218                 break;
1219
1220         case cmd_802_11_set_wep:
1221                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1222                 break;
1223
1224         case cmd_802_11_ad_hoc_start:
1225                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1226                 break;
1227         case cmd_code_dnld:
1228                 break;
1229
1230         case cmd_802_11_reset:
1231                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1232                 break;
1233
1234         case cmd_802_11_get_log:
1235                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1236                 break;
1237
1238         case cmd_802_11_authenticate:
1239                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1240                 break;
1241
1242         case cmd_802_11_get_stat:
1243                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1244                 break;
1245
1246         case cmd_802_11_snmp_mib:
1247                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1248                                                cmd_action, cmd_oid, pdata_buf);
1249                 break;
1250
1251         case cmd_mac_reg_access:
1252         case cmd_bbp_reg_access:
1253         case cmd_rf_reg_access:
1254                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1255                 break;
1256
1257         case cmd_802_11_rf_channel:
1258                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1259                                                  cmd_action, pdata_buf);
1260                 break;
1261
1262         case cmd_802_11_rf_tx_power:
1263                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1264                                                   cmd_action, pdata_buf);
1265                 break;
1266
1267         case cmd_802_11_radio_control:
1268                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1269                 break;
1270
1271         case cmd_802_11_rf_antenna:
1272                 ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
1273                                                  cmd_action, pdata_buf);
1274                 break;
1275
1276         case cmd_802_11_data_rate:
1277                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1278                 break;
1279         case cmd_802_11_rate_adapt_rateset:
1280                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1281                                                          cmdptr, cmd_action);
1282                 break;
1283
1284         case cmd_mac_multicast_adr:
1285                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1286                 break;
1287
1288         case cmd_802_11_ad_hoc_join:
1289                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1290                 break;
1291
1292         case cmd_802_11_rssi:
1293                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1294                 break;
1295
1296         case cmd_802_11_ad_hoc_stop:
1297                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1298                 break;
1299
1300         case cmd_802_11_enable_rsn:
1301                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
1302                 break;
1303
1304         case cmd_802_11_key_material:
1305                 ret = wlan_cmd_802_11_key_material(priv, cmdptr,
1306                                                    cmd_action, cmd_oid,
1307                                                    pdata_buf);
1308                 break;
1309
1310         case cmd_802_11_pairwise_tsc:
1311                 break;
1312         case cmd_802_11_group_tsc:
1313                 break;
1314
1315         case cmd_802_11_mac_address:
1316                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1317                 break;
1318
1319         case cmd_802_11_eeprom_access:
1320                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1321                                                     cmd_action, pdata_buf);
1322                 break;
1323
1324         case cmd_802_11_set_afc:
1325         case cmd_802_11_get_afc:
1326
1327                 cmdptr->command = cpu_to_le16(cmd_no);
1328                 cmdptr->size =
1329                     cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1330                                      S_DS_GEN);
1331
1332                 memmove(&cmdptr->params.afc,
1333                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1334
1335                 ret = 0;
1336                 goto done;
1337
1338         case cmd_802_11d_domain_info:
1339                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1340                                                    cmd_no, cmd_action);
1341                 break;
1342
1343         case cmd_802_11_sleep_params:
1344                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1345                 break;
1346         case cmd_802_11_inactivity_timeout:
1347                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1348                                                          cmd_action, pdata_buf);
1349                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1350                 break;
1351
1352         case cmd_802_11_tpc_cfg:
1353                 cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
1354                 cmdptr->size =
1355                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1356                                      S_DS_GEN);
1357
1358                 memmove(&cmdptr->params.tpccfg,
1359                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1360
1361                 ret = 0;
1362                 break;
1363         case cmd_802_11_led_gpio_ctrl:
1364                 {
1365                         struct mrvlietypes_ledgpio *gpio =
1366                             (struct mrvlietypes_ledgpio*)
1367                             cmdptr->params.ledgpio.data;
1368
1369                         memmove(&cmdptr->params.ledgpio,
1370                                 pdata_buf,
1371                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1372
1373                         cmdptr->command =
1374                             cpu_to_le16(cmd_802_11_led_gpio_ctrl);
1375
1376 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1377                         cmdptr->size =
1378                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1379                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1380                         gpio->header.len = cpu_to_le16(gpio->header.len);
1381
1382                         ret = 0;
1383                         break;
1384                 }
1385         case cmd_802_11_pwr_cfg:
1386                 cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
1387                 cmdptr->size =
1388                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1389                                      S_DS_GEN);
1390                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1391                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1392
1393                 ret = 0;
1394                 break;
1395         case cmd_bt_access:
1396                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1397                 break;
1398
1399         case cmd_fwt_access:
1400                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1401                 break;
1402
1403         case cmd_mesh_access:
1404                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1405                 break;
1406
1407         case cmd_get_tsf:
1408                 cmdptr->command = cpu_to_le16(cmd_get_tsf);
1409                 cmdptr->size =
1410                     cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
1411                                      + S_DS_GEN);
1412                 ret = 0;
1413                 break;
1414         case cmd_802_11_tx_rate_query:
1415                 cmdptr->command =
1416                     cpu_to_le16(cmd_802_11_tx_rate_query);
1417                 cmdptr->size =
1418                     cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
1419                                      S_DS_GEN);
1420                 adapter->txrate = 0;
1421                 ret = 0;
1422                 break;
1423         default:
1424                 lbs_deb_cmd("PREP_CMD: unknown command- %#x\n", cmd_no);
1425                 ret = -1;
1426                 break;
1427         }
1428
1429         /* return error, since the command preparation failed */
1430         if (ret != 0) {
1431                 lbs_deb_cmd("PREP_CMD: command preparation failed\n");
1432                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1433                 ret = -1;
1434                 goto done;
1435         }
1436
1437         cmdnode->cmdwaitqwoken = 0;
1438
1439         libertas_queue_cmd(adapter, cmdnode, 1);
1440         adapter->nr_cmd_pending++;
1441         wake_up_interruptible(&priv->mainthread.waitq);
1442
1443         if (wait_option & cmd_option_waitforrsp) {
1444                 lbs_deb_cmd("PREP_CMD: Wait for CMD response\n");
1445                 might_sleep();
1446                 wait_event_interruptible(cmdnode->cmdwait_q,
1447                                          cmdnode->cmdwaitqwoken);
1448         }
1449
1450         spin_lock_irqsave(&adapter->driver_lock, flags);
1451         if (adapter->cur_cmd_retcode) {
1452                 lbs_deb_cmd("PREP_CMD: command failed with return code=%d\n",
1453                        adapter->cur_cmd_retcode);
1454                 adapter->cur_cmd_retcode = 0;
1455                 ret = -1;
1456         }
1457         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1458
1459 done:
1460         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1461         return ret;
1462 }
1463
1464 /**
1465  *  @brief This function allocates the command buffer and link
1466  *  it to command free queue.
1467  *
1468  *  @param priv         A pointer to wlan_private structure
1469  *  @return             0 or -1
1470  */
1471 int libertas_allocate_cmd_buffer(wlan_private * priv)
1472 {
1473         int ret = 0;
1474         u32 ulbufsize;
1475         u32 i;
1476         struct cmd_ctrl_node *tempcmd_array;
1477         u8 *ptempvirtualaddr;
1478         wlan_adapter *adapter = priv->adapter;
1479
1480         lbs_deb_enter(LBS_DEB_CMD);
1481
1482         /* Allocate and initialize cmdCtrlNode */
1483         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1484
1485         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1486                 lbs_deb_cmd(
1487                        "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
1488                 ret = -1;
1489                 goto done;
1490         }
1491         adapter->cmd_array = tempcmd_array;
1492
1493         /* Allocate and initialize command buffers */
1494         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1495         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1496                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1497                         lbs_deb_cmd(
1498                                "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
1499                         ret = -1;
1500                         goto done;
1501                 }
1502
1503                 /* Update command buffer virtual */
1504                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1505         }
1506
1507         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1508                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1509                 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1510         }
1511
1512         ret = 0;
1513
1514 done:
1515         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1516         return ret;
1517 }
1518
1519 /**
1520  *  @brief This function frees the command buffer.
1521  *
1522  *  @param priv         A pointer to wlan_private structure
1523  *  @return             0 or -1
1524  */
1525 int libertas_free_cmd_buffer(wlan_private * priv)
1526 {
1527         u32 ulbufsize;
1528         unsigned int i;
1529         struct cmd_ctrl_node *tempcmd_array;
1530         wlan_adapter *adapter = priv->adapter;
1531
1532         lbs_deb_enter(LBS_DEB_CMD);
1533
1534         /* need to check if cmd array is allocated or not */
1535         if (adapter->cmd_array == NULL) {
1536                 lbs_deb_cmd("FREE_CMD_BUF: cmd_array is Null\n");
1537                 goto done;
1538         }
1539
1540         tempcmd_array = adapter->cmd_array;
1541
1542         /* Release shared memory buffers */
1543         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1544         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1545                 if (tempcmd_array[i].bufvirtualaddr) {
1546                         lbs_deb_cmd("Free all the array\n");
1547                         kfree(tempcmd_array[i].bufvirtualaddr);
1548                         tempcmd_array[i].bufvirtualaddr = NULL;
1549                 }
1550         }
1551
1552         /* Release cmd_ctrl_node */
1553         if (adapter->cmd_array) {
1554                 lbs_deb_cmd("Free cmd_array\n");
1555                 kfree(adapter->cmd_array);
1556                 adapter->cmd_array = NULL;
1557         }
1558
1559 done:
1560         lbs_deb_leave(LBS_DEB_CMD);
1561         return 0;
1562 }
1563
1564 /**
1565  *  @brief This function gets a free command node if available in
1566  *  command free queue.
1567  *
1568  *  @param priv         A pointer to wlan_private structure
1569  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1570  */
1571 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1572 {
1573         struct cmd_ctrl_node *tempnode;
1574         wlan_adapter *adapter = priv->adapter;
1575         unsigned long flags;
1576
1577         if (!adapter)
1578                 return NULL;
1579
1580         spin_lock_irqsave(&adapter->driver_lock, flags);
1581
1582         if (!list_empty(&adapter->cmdfreeq)) {
1583                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1584                 list_del((struct list_head *)tempnode);
1585         } else {
1586                 lbs_deb_cmd("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1587                 tempnode = NULL;
1588         }
1589
1590         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1591
1592         if (tempnode) {
1593                 /*
1594                 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
1595                 lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
1596                        tempnode);
1597                 */
1598                 cleanup_cmdnode(tempnode);
1599         }
1600
1601         return tempnode;
1602 }
1603
1604 /**
1605  *  @brief This function cleans command node.
1606  *
1607  *  @param ptempnode    A pointer to cmdCtrlNode structure
1608  *  @return             n/a
1609  */
1610 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1611 {
1612         if (!ptempnode)
1613                 return;
1614         ptempnode->cmdwaitqwoken = 1;
1615         wake_up_interruptible(&ptempnode->cmdwait_q);
1616         ptempnode->status = 0;
1617         ptempnode->cmd_oid = (u32) 0;
1618         ptempnode->wait_option = 0;
1619         ptempnode->pdata_buf = NULL;
1620
1621         if (ptempnode->bufvirtualaddr != NULL)
1622                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1623         return;
1624 }
1625
1626 /**
1627  *  @brief This function initializes the command node.
1628  *
1629  *  @param priv         A pointer to wlan_private structure
1630  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1631  *  @param cmd_oid      cmd oid: treated as sub command
1632  *  @param wait_option  wait option: wait response or not
1633  *  @param pdata_buf    A pointer to informaion buffer
1634  *  @return             0 or -1
1635  */
1636 void libertas_set_cmd_ctrl_node(wlan_private * priv,
1637                     struct cmd_ctrl_node *ptempnode,
1638                     u32 cmd_oid, u16 wait_option, void *pdata_buf)
1639 {
1640         lbs_deb_enter(LBS_DEB_CMD);
1641
1642         if (!ptempnode)
1643                 return;
1644
1645         ptempnode->cmd_oid = cmd_oid;
1646         ptempnode->wait_option = wait_option;
1647         ptempnode->pdata_buf = pdata_buf;
1648
1649         lbs_deb_leave(LBS_DEB_CMD);
1650 }
1651
1652 /**
1653  *  @brief This function executes next command in command
1654  *  pending queue. It will put fimware back to PS mode
1655  *  if applicable.
1656  *
1657  *  @param priv     A pointer to wlan_private structure
1658  *  @return        0 or -1
1659  */
1660 int libertas_execute_next_command(wlan_private * priv)
1661 {
1662         wlan_adapter *adapter = priv->adapter;
1663         struct cmd_ctrl_node *cmdnode = NULL;
1664         struct cmd_ds_command *cmdptr;
1665         unsigned long flags;
1666         int ret = 0;
1667
1668         lbs_deb_cmd("libertas_execute_next_command\n");
1669
1670         spin_lock_irqsave(&adapter->driver_lock, flags);
1671
1672         if (adapter->cur_cmd) {
1673                 lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
1674                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1675                 ret = -1;
1676                 goto done;
1677         }
1678
1679         if (!list_empty(&adapter->cmdpendingq)) {
1680                 cmdnode = (struct cmd_ctrl_node *)
1681                     adapter->cmdpendingq.next;
1682         }
1683
1684         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1685
1686         if (cmdnode) {
1687                 lbs_deb_cmd(
1688                        "EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
1689                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1690
1691                 if (is_command_allowed_in_ps(cmdptr->command)) {
1692                         if ((adapter->psstate == PS_STATE_SLEEP)
1693                             || (adapter->psstate == PS_STATE_PRE_SLEEP)
1694                             ) {
1695                                 lbs_deb_cmd(
1696                                        "EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
1697                                        cmdptr->command, adapter->psstate);
1698                                 ret = -1;
1699                                 goto done;
1700                         }
1701                         lbs_deb_cmd("EXEC_NEXT_CMD: OK to send command "
1702                                "0x%x in psstate %d\n",
1703                                cmdptr->command, adapter->psstate);
1704                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1705                         /*
1706                          * 1. Non-PS command:
1707                          * Queue it. set needtowakeup to TRUE if current state
1708                          * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1709                          * 2. PS command but not Exit_PS:
1710                          * Ignore it.
1711                          * 3. PS command Exit_PS:
1712                          * Set needtowakeup to TRUE if current state is SLEEP,
1713                          * otherwise send this command down to firmware
1714                          * immediately.
1715                          */
1716                         if (cmdptr->command !=
1717                             cpu_to_le16(cmd_802_11_ps_mode)) {
1718                                 /*  Prepare to send Exit PS,
1719                                  *  this non PS command will be sent later */
1720                                 if ((adapter->psstate == PS_STATE_SLEEP)
1721                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1722                                     ) {
1723                                         /* w/ new scheme, it will not reach here.
1724                                            since it is blocked in main_thread. */
1725                                         adapter->needtowakeup = 1;
1726                                 } else
1727                                         libertas_ps_wakeup(priv, 0);
1728
1729                                 ret = 0;
1730                                 goto done;
1731                         } else {
1732                                 /*
1733                                  * PS command. Ignore it if it is not Exit_PS.
1734                                  * otherwise send it down immediately.
1735                                  */
1736                                 struct cmd_ds_802_11_ps_mode *psm =
1737                                     &cmdptr->params.psmode;
1738
1739                                 lbs_deb_cmd(
1740                                        "EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
1741                                        psm->action);
1742                                 if (psm->action !=
1743                                     cpu_to_le16(cmd_subcmd_exit_ps)) {
1744                                         lbs_deb_cmd(
1745                                                "EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
1746                                         list_del((struct list_head *)cmdnode);
1747                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1748
1749                                         ret = 0;
1750                                         goto done;
1751                                 }
1752
1753                                 if ((adapter->psstate == PS_STATE_SLEEP)
1754                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1755                                     ) {
1756                                         lbs_deb_cmd(
1757                                                "EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
1758                                         list_del((struct list_head *)cmdnode);
1759                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1760                                         adapter->needtowakeup = 1;
1761
1762                                         ret = 0;
1763                                         goto done;
1764                                 }
1765
1766                                 lbs_deb_cmd(
1767                                        "EXEC_NEXT_CMD: Sending Exit_PS down...\n");
1768                         }
1769                 }
1770                 list_del((struct list_head *)cmdnode);
1771                 lbs_deb_cmd("EXEC_NEXT_CMD: Sending 0x%04X command\n",
1772                        cmdptr->command);
1773                 DownloadcommandToStation(priv, cmdnode);
1774         } else {
1775                 /*
1776                  * check if in power save mode, if yes, put the device back
1777                  * to PS mode
1778                  */
1779                 if ((adapter->psmode != wlan802_11powermodecam) &&
1780                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1781                     (adapter->connect_status == libertas_connected)) {
1782                         if (adapter->secinfo.WPAenabled
1783                             || adapter->secinfo.WPA2enabled) {
1784                                 /* check for valid WPA group keys */
1785                                 if (adapter->wpa_mcast_key.len
1786                                     || adapter->wpa_unicast_key.len) {
1787                                         lbs_deb_cmd(
1788                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1789                                                " go back to PS_SLEEP");
1790                                         libertas_ps_sleep(priv, 0);
1791                                 }
1792                         } else {
1793                                 lbs_deb_cmd(
1794                                        "EXEC_NEXT_CMD: command PendQ is empty,"
1795                                        " go back to PS_SLEEP");
1796                                 libertas_ps_sleep(priv, 0);
1797                         }
1798                 }
1799         }
1800
1801         ret = 0;
1802 done:
1803         return ret;
1804 }
1805
1806 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1807 {
1808         union iwreq_data iwrq;
1809         u8 buf[50];
1810
1811         lbs_deb_enter(LBS_DEB_CMD);
1812
1813         memset(&iwrq, 0, sizeof(union iwreq_data));
1814         memset(buf, 0, sizeof(buf));
1815
1816         snprintf(buf, sizeof(buf) - 1, "%s", str);
1817
1818         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1819
1820         /* Send Event to upper layer */
1821         lbs_deb_cmd("Event Indication string = %s\n",
1822                (char *)buf);
1823         lbs_deb_cmd("Event Indication String length = %d\n", iwrq.data.length);
1824
1825         lbs_deb_cmd("Sending wireless event IWEVCUSTOM for %s\n", str);
1826         wireless_send_event(priv->wlan_dev.netdev, IWEVCUSTOM, &iwrq, buf);
1827
1828         lbs_deb_leave(LBS_DEB_CMD);
1829 }
1830
1831 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1832 {
1833         unsigned long flags;
1834         wlan_adapter *adapter = priv->adapter;
1835         int ret = 0;
1836
1837         lbs_deb_enter(LBS_DEB_CMD);
1838
1839         lbs_deb_cmd("SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
1840                size);
1841
1842         lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
1843
1844         ret = libertas_sbi_host_to_card(priv, MVMS_CMD, cmdptr, size);
1845         priv->wlan_dev.dnld_sent = DNLD_RES_RECEIVED;
1846
1847         spin_lock_irqsave(&adapter->driver_lock, flags);
1848         if (adapter->intcounter || adapter->currenttxskb)
1849                 lbs_deb_cmd("SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
1850                        adapter->intcounter, adapter->currenttxskb);
1851         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1852
1853         if (ret) {
1854                 lbs_pr_alert(
1855                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1856         } else {
1857                 spin_lock_irqsave(&adapter->driver_lock, flags);
1858                 if (!adapter->intcounter) {
1859                         adapter->psstate = PS_STATE_SLEEP;
1860                 } else {
1861                         lbs_deb_cmd("SEND_SLEEPC_CMD: After sent,IntC=%d\n",
1862                                adapter->intcounter);
1863                 }
1864                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1865
1866                 lbs_deb_cmd("SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
1867                 lbs_deb_cmd("+");
1868         }
1869
1870         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1871         return ret;
1872 }
1873
1874 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1875 {
1876         lbs_deb_enter(LBS_DEB_CMD);
1877
1878         /*
1879          * PS is currently supported only in Infrastructure mode
1880          * Remove this check if it is to be supported in IBSS mode also
1881          */
1882
1883         libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1884                               cmd_subcmd_enter_ps, wait_option, 0, NULL);
1885
1886         lbs_deb_leave(LBS_DEB_CMD);
1887 }
1888
1889 /**
1890  *  @brief This function sends Eixt_PS command to firmware.
1891  *
1892  *  @param priv         A pointer to wlan_private structure
1893  *  @param wait_option  wait response or not
1894  *  @return             n/a
1895  */
1896 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1897 {
1898         enum WLAN_802_11_POWER_MODE Localpsmode;
1899
1900         lbs_deb_enter(LBS_DEB_CMD);
1901
1902         Localpsmode = wlan802_11powermodecam;
1903
1904         lbs_deb_cmd("Exit_PS: Localpsmode = %d\n", Localpsmode);
1905
1906         libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
1907                               cmd_subcmd_exit_ps,
1908                               wait_option, 0, &Localpsmode);
1909
1910         lbs_deb_leave(LBS_DEB_CMD);
1911 }
1912
1913 /**
1914  *  @brief This function checks condition and prepares to
1915  *  send sleep confirm command to firmware if ok.
1916  *
1917  *  @param priv         A pointer to wlan_private structure
1918  *  @param psmode       Power Saving mode
1919  *  @return             n/a
1920  */
1921 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1922 {
1923         unsigned long flags =0;
1924         wlan_adapter *adapter = priv->adapter;
1925         u8 allowed = 1;
1926
1927         lbs_deb_enter(LBS_DEB_CMD);
1928
1929         if (priv->wlan_dev.dnld_sent) {
1930                 allowed = 0;
1931                 lbs_deb_cmd("D");
1932         }
1933
1934         spin_lock_irqsave(&adapter->driver_lock, flags);
1935         if (adapter->cur_cmd) {
1936                 allowed = 0;
1937                 lbs_deb_cmd("C");
1938         }
1939         if (adapter->intcounter > 0) {
1940                 allowed = 0;
1941                 lbs_deb_cmd("I%d", adapter->intcounter);
1942         }
1943         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1944
1945         if (allowed) {
1946                 lbs_deb_cmd("Sending libertas_ps_confirm_sleep\n");
1947                 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1948                                  sizeof(struct PS_CMD_ConfirmSleep));
1949         } else {
1950                 lbs_deb_cmd("Sleep Confirm has been delayed\n");
1951         }
1952
1953         lbs_deb_leave(LBS_DEB_CMD);
1954 }