drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14
  15 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  16
  17 static u16 commands_allowed_in_ps[] = {
  18         CMD_802_11_RSSI,
  19 };
  20
  21 /**
  22  *  @brief This function checks if the commans is allowed
  23  *  in PS mode not.
  24  *
  25  *  @param command the command ID
  26  *  @return        TRUE or FALSE
  27  */
  28 static u8 is_command_allowed_in_ps(__le16 command)
  29 {
  30         int i;
  31
  32         for (i = 0; i < ARRAY_SIZE(commands_allowed_in_ps); i++) {
  33                 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
  34                         return 1;
  35         }
  36
  37         return 0;
  38 }
  39
  40 static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
  41 {
  42         struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
  43
  44         lbs_deb_enter(LBS_DEB_CMD);
  45
  46         cmd->command = cpu_to_le16(CMD_GET_HW_SPEC);
  47         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
  48         memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
  49
  50         lbs_deb_leave(LBS_DEB_CMD);
  51         return 0;
  52 }
  53
  54 static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
  55                                    struct cmd_ds_command *cmd,
  56                                    u16 cmd_action)
  57 {
  58         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
  59
  60         lbs_deb_enter(LBS_DEB_CMD);
  61
  62         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
  63         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
  64                                 S_DS_GEN);
  65         psm->action = cpu_to_le16(cmd_action);
  66         psm->multipledtim = 0;
  67         switch (cmd_action) {
  68         case CMD_SUBCMD_ENTER_PS:
  69                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
  70
  71                 psm->locallisteninterval = 0;
  72                 psm->nullpktinterval = 0;
  73                 psm->multipledtim =
  74                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
  75                 break;
  76
  77         case CMD_SUBCMD_EXIT_PS:
  78                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
  79                 break;
  80
  81         case CMD_SUBCMD_SLEEP_CONFIRMED:
  82                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
  83                 break;
  84
  85         default:
  86                 break;
  87         }
  88
  89         lbs_deb_leave(LBS_DEB_CMD);
  90         return 0;
  91 }
  92
  93 static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
  94                                               struct cmd_ds_command *cmd,
  95                                               u16 cmd_action, void *pdata_buf)
  96 {
  97         u16 *timeout = pdata_buf;
  98
  99         lbs_deb_enter(LBS_DEB_CMD);
 100
 101         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 102         cmd->size =
 103             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 104                              + S_DS_GEN);
 105
 106         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 107
 108         if (cmd_action)
 109                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 110         else
 111                 cmd->params.inactivity_timeout.timeout = 0;
 112
 113         lbs_deb_leave(LBS_DEB_CMD);
 114         return 0;
 115 }
 116
 117 static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
 118                                         struct cmd_ds_command *cmd,
 119                                         u16 cmd_action)
 120 {
 121         wlan_adapter *adapter = priv->adapter;
 122         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 123
 124         lbs_deb_enter(LBS_DEB_CMD);
 125
 126         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 127                                 S_DS_GEN);
 128         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 129
 130         if (cmd_action == CMD_ACT_GET) {
 131                 memset(&adapter->sp, 0, sizeof(struct sleep_params));
 132                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 133                 sp->action = cpu_to_le16(cmd_action);
 134         } else if (cmd_action == CMD_ACT_SET) {
 135                 sp->action = cpu_to_le16(cmd_action);
 136                 sp->error = cpu_to_le16(adapter->sp.sp_error);
 137                 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
 138                 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
 139                 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
 140                 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
 141                 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
 142         }
 143
 144         lbs_deb_leave(LBS_DEB_CMD);
 145         return 0;
 146 }
 147
 148 static int wlan_cmd_802_11_set_wep(wlan_private * priv,
 149                                    struct cmd_ds_command *cmd,
 150                                    u32 cmd_act,
 151                                    void * pdata_buf)
 152 {
 153         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 154         wlan_adapter *adapter = priv->adapter;
 155         int ret = 0;
 156         struct assoc_request * assoc_req = pdata_buf;
 157
 158         lbs_deb_enter(LBS_DEB_CMD);
 159
 160         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 161         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 162
 163         if (cmd_act == CMD_ACT_ADD) {
 164                 int i;
 165
 166                 if (!assoc_req) {
 167                         lbs_deb_cmd("Invalid association request!");
 168                         ret = -1;
 169                         goto done;
 170                 }
 171
 172                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 173
 174                 /* default tx key index */
 175                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 176                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 177
 178                 /* Copy key types and material to host command structure */
 179                 for (i = 0; i < 4; i++) {
 180                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 181
 182                         switch (pkey->len) {
 183                         case KEY_LEN_WEP_40:
 184                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 185                                 memmove(&wep->keymaterial[i], pkey->key,
 186                                         pkey->len);
 187                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 188                                 break;
 189                         case KEY_LEN_WEP_104:
 190                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 191                                 memmove(&wep->keymaterial[i], pkey->key,
 192                                         pkey->len);
 193                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 194                                 break;
 195                         case 0:
 196                                 break;
 197                         default:
 198                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 199                                        i, pkey->len);
 200                                 ret = -1;
 201                                 goto done;
 202                                 break;
 203                         }
 204                 }
 205         } else if (cmd_act == CMD_ACT_REMOVE) {
 206                 /* ACT_REMOVE clears _all_ WEP keys */
 207                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 208
 209                 /* default tx key index */
 210                 wep->keyindex = cpu_to_le16((u16)(adapter->wep_tx_keyidx &
 211                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 212                 lbs_deb_cmd("SET_WEP: remove key %d\n", adapter->wep_tx_keyidx);
 213         }
 214
 215         ret = 0;
 216
 217 done:
 218         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 219         return ret;
 220 }
 221
 222 static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
 223                                       struct cmd_ds_command *cmd,
 224                                       u16 cmd_action,
 225                                       void * pdata_buf)
 226 {
 227         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 228         u32 * enable = pdata_buf;
 229
 230         lbs_deb_enter(LBS_DEB_CMD);
 231
 232         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 233         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 234         penableRSN->action = cpu_to_le16(cmd_action);
 235
 236         if (cmd_action == CMD_ACT_SET) {
 237                 if (*enable)
 238                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 239                 else
 240                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 241                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 242         }
 243
 244         lbs_deb_leave(LBS_DEB_CMD);
 245         return 0;
 246 }
 247
 248
 249 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 250                             struct enc_key * pkey)
 251 {
 252         lbs_deb_enter(LBS_DEB_CMD);
 253
 254         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 255                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 256         }
 257         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 258                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 259         }
 260         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 261                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 262         }
 263
 264         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 265         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 266         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 267         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 268         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 269                                                 + sizeof(pkeyparamset->keyinfo)
 270                                                 + sizeof(pkeyparamset->keylen)
 271                                                 + sizeof(pkeyparamset->key));
 272         lbs_deb_leave(LBS_DEB_CMD);
 273 }
 274
 275 static int wlan_cmd_802_11_key_material(wlan_private * priv,
 276                                         struct cmd_ds_command *cmd,
 277                                         u16 cmd_action,
 278                                         u32 cmd_oid, void *pdata_buf)
 279 {
 280         struct cmd_ds_802_11_key_material *pkeymaterial =
 281             &cmd->params.keymaterial;
 282         struct assoc_request * assoc_req = pdata_buf;
 283         int ret = 0;
 284         int index = 0;
 285
 286         lbs_deb_enter(LBS_DEB_CMD);
 287
 288         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 289         pkeymaterial->action = cpu_to_le16(cmd_action);
 290
 291         if (cmd_action == CMD_ACT_GET) {
 292                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 293                 ret = 0;
 294                 goto done;
 295         }
 296
 297         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 298
 299         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 300                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 301                                 &assoc_req->wpa_unicast_key);
 302                 index++;
 303         }
 304
 305         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 306                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 307                                 &assoc_req->wpa_mcast_key);
 308                 index++;
 309         }
 310
 311         cmd->size = cpu_to_le16(  S_DS_GEN
 312                                 + sizeof (pkeymaterial->action)
 313                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 314
 315         ret = 0;
 316
 317 done:
 318         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 319         return ret;
 320 }
 321
 322 static int wlan_cmd_802_11_reset(wlan_private * priv,
 323                                  struct cmd_ds_command *cmd, int cmd_action)
 324 {
 325         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 326
 327         lbs_deb_enter(LBS_DEB_CMD);
 328
 329         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 330         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 331         reset->action = cpu_to_le16(cmd_action);
 332
 333         lbs_deb_leave(LBS_DEB_CMD);
 334         return 0;
 335 }
 336
 337 static int wlan_cmd_802_11_get_log(wlan_private * priv,
 338                                    struct cmd_ds_command *cmd)
 339 {
 340         lbs_deb_enter(LBS_DEB_CMD);
 341         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 342         cmd->size =
 343                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 344
 345         lbs_deb_leave(LBS_DEB_CMD);
 346         return 0;
 347 }
 348
 349 static int wlan_cmd_802_11_get_stat(wlan_private * priv,
 350                                     struct cmd_ds_command *cmd)
 351 {
 352         lbs_deb_enter(LBS_DEB_CMD);
 353         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 354         cmd->size =
 355             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 356
 357         lbs_deb_leave(LBS_DEB_CMD);
 358         return 0;
 359 }
 360
 361 static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
 362                                     struct cmd_ds_command *cmd,
 363                                     int cmd_action,
 364                                     int cmd_oid, void *pdata_buf)
 365 {
 366         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 367         wlan_adapter *adapter = priv->adapter;
 368         u8 ucTemp;
 369
 370         lbs_deb_enter(LBS_DEB_CMD);
 371
 372         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 373
 374         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 375         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 376
 377         switch (cmd_oid) {
 378         case OID_802_11_INFRASTRUCTURE_MODE:
 379         {
 380                 u8 mode = (u8) (size_t) pdata_buf;
 381                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 382                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 383                 pSNMPMIB->bufsize = sizeof(u8);
 384                 if (mode == IW_MODE_ADHOC) {
 385                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 386                 } else {
 387                         /* Infra and Auto modes */
 388                         ucTemp = SNMP_MIB_VALUE_INFRA;
 389                 }
 390
 391                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 392
 393                 break;
 394         }
 395
 396         case OID_802_11D_ENABLE:
 397                 {
 398                         u32 ulTemp;
 399
 400                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 401
 402                         if (cmd_action == CMD_ACT_SET) {
 403                                 pSNMPMIB->querytype = CMD_ACT_SET;
 404                                 pSNMPMIB->bufsize = sizeof(u16);
 405                                 ulTemp = *(u32 *)pdata_buf;
 406                                 *((__le16 *)(pSNMPMIB->value)) =
 407                                     cpu_to_le16((u16) ulTemp);
 408                         }
 409                         break;
 410                 }
 411
 412         case OID_802_11_FRAGMENTATION_THRESHOLD:
 413                 {
 414                         u32 ulTemp;
 415
 416                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 417
 418                         if (cmd_action == CMD_ACT_GET) {
 419                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 420                         } else if (cmd_action == CMD_ACT_SET) {
 421                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 422                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 423                                 ulTemp = *((u32 *) pdata_buf);
 424                                 *((__le16 *)(pSNMPMIB->value)) =
 425                                     cpu_to_le16((u16) ulTemp);
 426
 427                         }
 428
 429                         break;
 430                 }
 431
 432         case OID_802_11_RTS_THRESHOLD:
 433                 {
 434
 435                         u32 ulTemp;
 436                         pSNMPMIB->oid = le16_to_cpu((u16) RTSTHRESH_I);
 437
 438                         if (cmd_action == CMD_ACT_GET) {
 439                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 440                         } else if (cmd_action == CMD_ACT_SET) {
 441                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 442                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 443                                 ulTemp = *((u32 *)pdata_buf);
 444                                 *(__le16 *)(pSNMPMIB->value) =
 445                                     cpu_to_le16((u16) ulTemp);
 446
 447                         }
 448                         break;
 449                 }
 450         case OID_802_11_TX_RETRYCOUNT:
 451                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 452
 453                 if (cmd_action == CMD_ACT_GET) {
 454                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 455                 } else if (cmd_action == CMD_ACT_SET) {
 456                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 457                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 458                         *((__le16 *)(pSNMPMIB->value)) =
 459                             cpu_to_le16((u16) adapter->txretrycount);
 460                 }
 461
 462                 break;
 463         default:
 464                 break;
 465         }
 466
 467         lbs_deb_cmd(
 468                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 469                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 470                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 471
 472         lbs_deb_cmd(
 473                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 474                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 475                le16_to_cpu(pSNMPMIB->bufsize),
 476                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 477
 478         lbs_deb_leave(LBS_DEB_CMD);
 479         return 0;
 480 }
 481
 482 static int wlan_cmd_802_11_radio_control(wlan_private * priv,
 483                                          struct cmd_ds_command *cmd,
 484                                          int cmd_action)
 485 {
 486         wlan_adapter *adapter = priv->adapter;
 487         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 488
 489         lbs_deb_enter(LBS_DEB_CMD);
 490
 491         cmd->size =
 492             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 493                              S_DS_GEN);
 494         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 495
 496         pradiocontrol->action = cpu_to_le16(cmd_action);
 497
 498         switch (adapter->preamble) {
 499         case CMD_TYPE_SHORT_PREAMBLE:
 500                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 501                 break;
 502
 503         case CMD_TYPE_LONG_PREAMBLE:
 504                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 505                 break;
 506
 507         case CMD_TYPE_AUTO_PREAMBLE:
 508         default:
 509                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 510                 break;
 511         }
 512
 513         if (adapter->radioon)
 514                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 515         else
 516                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 517
 518         lbs_deb_leave(LBS_DEB_CMD);
 519         return 0;
 520 }
 521
 522 static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
 523                                        struct cmd_ds_command *cmd,
 524                                        u16 cmd_action, void *pdata_buf)
 525 {
 526
 527         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 528
 529         lbs_deb_enter(LBS_DEB_CMD);
 530
 531         cmd->size =
 532             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 533         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 534         prtp->action = cpu_to_le16(cmd_action);
 535
 536         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 537                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 538                     le16_to_cpu(prtp->action));
 539
 540         switch (cmd_action) {
 541         case CMD_ACT_TX_POWER_OPT_GET:
 542                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 543                 prtp->currentlevel = 0;
 544                 break;
 545
 546         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 547                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 548                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 549                 break;
 550
 551         case CMD_ACT_TX_POWER_OPT_SET_MID:
 552                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 553                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 554                 break;
 555
 556         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 557                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 558                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 559                 break;
 560         }
 561
 562         lbs_deb_leave(LBS_DEB_CMD);
 563         return 0;
 564 }
 565
 566 static int wlan_cmd_802_11_monitor_mode(wlan_private * priv,
 567                                       struct cmd_ds_command *cmd,
 568                                       u16 cmd_action, void *pdata_buf)
 569 {
 570         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 571
 572         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 573         cmd->size =
 574             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 575                              S_DS_GEN);
 576
 577         monitor->action = cpu_to_le16(cmd_action);
 578         if (cmd_action == CMD_ACT_SET) {
 579                 monitor->mode =
 580                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 581         }
 582
 583         return 0;
 584 }
 585
 586 static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
 587                                               struct cmd_ds_command *cmd,
 588                                               u16 cmd_action)
 589 {
 590         struct cmd_ds_802_11_rate_adapt_rateset
 591         *rateadapt = &cmd->params.rateset;
 592         wlan_adapter *adapter = priv->adapter;
 593
 594         lbs_deb_enter(LBS_DEB_CMD);
 595         cmd->size =
 596             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 597                              + S_DS_GEN);
 598         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 599
 600         rateadapt->action = cpu_to_le16(cmd_action);
 601         rateadapt->enablehwauto = cpu_to_le16(adapter->enablehwauto);
 602         rateadapt->bitmap = cpu_to_le16(adapter->ratebitmap);
 603
 604         lbs_deb_leave(LBS_DEB_CMD);
 605         return 0;
 606 }
 607
 608 static int wlan_cmd_802_11_data_rate(wlan_private * priv,
 609                                      struct cmd_ds_command *cmd,
 610                                      u16 cmd_action)
 611 {
 612         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
 613         wlan_adapter *adapter = priv->adapter;
 614
 615         lbs_deb_enter(LBS_DEB_CMD);
 616
 617         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
 618                              S_DS_GEN);
 619         cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
 620         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
 621         pdatarate->action = cpu_to_le16(cmd_action);
 622
 623         if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
 624                 pdatarate->rates[0] = libertas_data_rate_to_fw_index(adapter->cur_rate);
 625                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
 626                        adapter->cur_rate);
 627         } else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
 628                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 629         }
 630
 631         lbs_deb_leave(LBS_DEB_CMD);
 632         return 0;
 633 }
 634
 635 static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
 636                                       struct cmd_ds_command *cmd,
 637                                       u16 cmd_action)
 638 {
 639         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 640         wlan_adapter *adapter = priv->adapter;
 641
 642         lbs_deb_enter(LBS_DEB_CMD);
 643         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 644                              S_DS_GEN);
 645         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 646
 647         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 648         pMCastAdr->action = cpu_to_le16(cmd_action);
 649         pMCastAdr->nr_of_adrs =
 650             cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
 651         memcpy(pMCastAdr->maclist, adapter->multicastlist,
 652                adapter->nr_of_multicastmacaddr * ETH_ALEN);
 653
 654         lbs_deb_leave(LBS_DEB_CMD);
 655         return 0;
 656 }
 657
 658 static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
 659                                       struct cmd_ds_command *cmd,
 660                                       int option, void *pdata_buf)
 661 {
 662         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 663
 664         lbs_deb_enter(LBS_DEB_CMD);
 665         cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
 666         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
 667                                 S_DS_GEN);
 668
 669         if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
 670                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 671         }
 672
 673         rfchan->action = cpu_to_le16(option);
 674
 675         lbs_deb_leave(LBS_DEB_CMD);
 676         return 0;
 677 }
 678
 679 static int wlan_cmd_802_11_rssi(wlan_private * priv,
 680                                 struct cmd_ds_command *cmd)
 681 {
 682         wlan_adapter *adapter = priv->adapter;
 683
 684         lbs_deb_enter(LBS_DEB_CMD);
 685         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 686         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 687         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 688
 689         /* reset Beacon SNR/NF/RSSI values */
 690         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 691         adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 692         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 693         adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
 694         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 695         adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 696
 697         lbs_deb_leave(LBS_DEB_CMD);
 698         return 0;
 699 }
 700
 701 static int wlan_cmd_reg_access(wlan_private * priv,
 702                                struct cmd_ds_command *cmdptr,
 703                                u8 cmd_action, void *pdata_buf)
 704 {
 705         struct wlan_offset_value *offval;
 706
 707         lbs_deb_enter(LBS_DEB_CMD);
 708
 709         offval = (struct wlan_offset_value *)pdata_buf;
 710
 711         switch (cmdptr->command) {
 712         case CMD_MAC_REG_ACCESS:
 713                 {
 714                         struct cmd_ds_mac_reg_access *macreg;
 715
 716                         cmdptr->size =
 717                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 718                                         + S_DS_GEN);
 719                         macreg =
 720                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 721                             macreg;
 722
 723                         macreg->action = cpu_to_le16(cmd_action);
 724                         macreg->offset = cpu_to_le16((u16) offval->offset);
 725                         macreg->value = cpu_to_le32(offval->value);
 726
 727                         break;
 728                 }
 729
 730         case CMD_BBP_REG_ACCESS:
 731                 {
 732                         struct cmd_ds_bbp_reg_access *bbpreg;
 733
 734                         cmdptr->size =
 735                             cpu_to_le16(sizeof
 736                                              (struct cmd_ds_bbp_reg_access)
 737                                              + S_DS_GEN);
 738                         bbpreg =
 739                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 740                             bbpreg;
 741
 742                         bbpreg->action = cpu_to_le16(cmd_action);
 743                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 744                         bbpreg->value = (u8) offval->value;
 745
 746                         break;
 747                 }
 748
 749         case CMD_RF_REG_ACCESS:
 750                 {
 751                         struct cmd_ds_rf_reg_access *rfreg;
 752
 753                         cmdptr->size =
 754                             cpu_to_le16(sizeof
 755                                              (struct cmd_ds_rf_reg_access) +
 756                                              S_DS_GEN);
 757                         rfreg =
 758                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 759                             rfreg;
 760
 761                         rfreg->action = cpu_to_le16(cmd_action);
 762                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 763                         rfreg->value = (u8) offval->value;
 764
 765                         break;
 766                 }
 767
 768         default:
 769                 break;
 770         }
 771
 772         lbs_deb_leave(LBS_DEB_CMD);
 773         return 0;
 774 }
 775
 776 static int wlan_cmd_802_11_mac_address(wlan_private * priv,
 777                                        struct cmd_ds_command *cmd,
 778                                        u16 cmd_action)
 779 {
 780         wlan_adapter *adapter = priv->adapter;
 781
 782         lbs_deb_enter(LBS_DEB_CMD);
 783         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 784         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 785                              S_DS_GEN);
 786         cmd->result = 0;
 787
 788         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 789
 790         if (cmd_action == CMD_ACT_SET) {
 791                 memcpy(cmd->params.macadd.macadd,
 792                        adapter->current_addr, ETH_ALEN);
 793                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", adapter->current_addr, 6);
 794         }
 795
 796         lbs_deb_leave(LBS_DEB_CMD);
 797         return 0;
 798 }
 799
 800 static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
 801                                          struct cmd_ds_command *cmd,
 802                                          int cmd_action, void *pdata_buf)
 803 {
 804         struct wlan_ioctl_regrdwr *ea = pdata_buf;
 805
 806         lbs_deb_enter(LBS_DEB_CMD);
 807
 808         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 809         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 810                                 S_DS_GEN);
 811         cmd->result = 0;
 812
 813         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 814         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 815         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 816         cmd->params.rdeeprom.value = 0;
 817
 818         lbs_deb_leave(LBS_DEB_CMD);
 819         return 0;
 820 }
 821
 822 static int wlan_cmd_bt_access(wlan_private * priv,
 823                                struct cmd_ds_command *cmd,
 824                                u16 cmd_action, void *pdata_buf)
 825 {
 826         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 827         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 828
 829         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
 830         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
 831         cmd->result = 0;
 832         bt_access->action = cpu_to_le16(cmd_action);
 833
 834         switch (cmd_action) {
 835         case CMD_ACT_BT_ACCESS_ADD:
 836                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 837                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
 838                 break;
 839         case CMD_ACT_BT_ACCESS_DEL:
 840                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 841                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
 842                 break;
 843         case CMD_ACT_BT_ACCESS_LIST:
 844                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 845                 break;
 846         case CMD_ACT_BT_ACCESS_RESET:
 847                 break;
 848         case CMD_ACT_BT_ACCESS_SET_INVERT:
 849                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 850                 break;
 851         case CMD_ACT_BT_ACCESS_GET_INVERT:
 852                 break;
 853         default:
 854                 break;
 855         }
 856         lbs_deb_leave(LBS_DEB_CMD);
 857         return 0;
 858 }
 859
 860 static int wlan_cmd_fwt_access(wlan_private * priv,
 861                                struct cmd_ds_command *cmd,
 862                                u16 cmd_action, void *pdata_buf)
 863 {
 864         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 865         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 866
 867         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
 868         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
 869         cmd->result = 0;
 870
 871         if (pdata_buf)
 872                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
 873         else
 874                 memset(fwt_access, 0, sizeof(*fwt_access));
 875
 876         fwt_access->action = cpu_to_le16(cmd_action);
 877
 878         lbs_deb_leave(LBS_DEB_CMD);
 879         return 0;
 880 }
 881
 882 static int wlan_cmd_mesh_access(wlan_private * priv,
 883                                 struct cmd_ds_command *cmd,
 884                                 u16 cmd_action, void *pdata_buf)
 885 {
 886         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
 887         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 888
 889         cmd->command = cpu_to_le16(CMD_MESH_ACCESS);
 890         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
 891         cmd->result = 0;
 892
 893         if (pdata_buf)
 894                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
 895         else
 896                 memset(mesh_access, 0, sizeof(*mesh_access));
 897
 898         mesh_access->action = cpu_to_le16(cmd_action);
 899
 900         lbs_deb_leave(LBS_DEB_CMD);
 901         return 0;
 902 }
 903
 904 static int wlan_cmd_set_boot2_ver(wlan_private * priv,
 905                                 struct cmd_ds_command *cmd,
 906                                 u16 cmd_action, void *pdata_buf)
 907 {
 908         struct cmd_ds_set_boot2_ver *boot2_ver = &cmd->params.boot2_ver;
 909         cmd->command = cpu_to_le16(CMD_SET_BOOT2_VER);
 910         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_set_boot2_ver) + S_DS_GEN);
 911         boot2_ver->version = priv->boot2_version;
 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_HOST);
 921
 922         if (!cmdnode) {
 923                 lbs_deb_host("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_host("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 == cpu_to_le16(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_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
 953                le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
 954
 955 done:
 956         lbs_deb_leave(LBS_DEB_HOST);
 957 }
 958
 959 /*
 960  * TODO: Fix the issue when DownloadcommandToStation is being called the
 961  * second time when the command times out. All the cmdptr->xxx are in little
 962  * endian and therefore all the comparissions will fail.
 963  * For now - we are not performing the endian conversion the second time - but
 964  * for PS and DEEP_SLEEP we need to worry
 965  */
 966 static int DownloadcommandToStation(wlan_private * priv,
 967                                     struct cmd_ctrl_node *cmdnode)
 968 {
 969         unsigned long flags;
 970         struct cmd_ds_command *cmdptr;
 971         wlan_adapter *adapter = priv->adapter;
 972         int ret = -1;
 973         u16 cmdsize;
 974         u16 command;
 975
 976         lbs_deb_enter(LBS_DEB_HOST);
 977
 978         if (!adapter || !cmdnode) {
 979                 lbs_deb_host("DNLD_CMD: adapter or cmdmode is NULL\n");
 980                 goto done;
 981         }
 982
 983         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 984
 985         spin_lock_irqsave(&adapter->driver_lock, flags);
 986         if (!cmdptr || !cmdptr->size) {
 987                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
 988                 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 989                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 990                 goto done;
 991         }
 992
 993         adapter->cur_cmd = cmdnode;
 994         adapter->cur_cmd_retcode = 0;
 995         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 996
 997         cmdsize = cmdptr->size;
 998         command = cpu_to_le16(cmdptr->command);
 999
1000         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1001                     command, le16_to_cpu(cmdptr->size), jiffies);
1002         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
1003
1004         cmdnode->cmdwaitqwoken = 0;
1005         cmdsize = cpu_to_le16(cmdsize);
1006
1007         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1008
1009         if (ret != 0) {
1010                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1011                 spin_lock_irqsave(&adapter->driver_lock, flags);
1012                 adapter->cur_cmd_retcode = ret;
1013                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1014                 adapter->nr_cmd_pending--;
1015                 adapter->cur_cmd = NULL;
1016                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1017                 goto done;
1018         }
1019
1020         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1021
1022         /* Setup the timer after transmit command */
1023         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1024             || command == CMD_802_11_ASSOCIATE)
1025                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1026         else
1027                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1028
1029         ret = 0;
1030
1031 done:
1032         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1033         return ret;
1034 }
1035
1036 static int wlan_cmd_mac_control(wlan_private * priv,
1037                                 struct cmd_ds_command *cmd)
1038 {
1039         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1040
1041         lbs_deb_enter(LBS_DEB_CMD);
1042
1043         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1044         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1045         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1046
1047         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1048                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1049
1050         lbs_deb_leave(LBS_DEB_CMD);
1051         return 0;
1052 }
1053
1054 /**
1055  *  This function inserts command node to cmdfreeq
1056  *  after cleans it. Requires adapter->driver_lock held.
1057  */
1058 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1059 {
1060         wlan_adapter *adapter = priv->adapter;
1061
1062         if (!ptempcmd)
1063                 return;
1064
1065         cleanup_cmdnode(ptempcmd);
1066         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1067 }
1068
1069 static void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1070 {
1071         unsigned long flags;
1072
1073         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1074         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1075         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1076 }
1077
1078 int libertas_set_radio_control(wlan_private * priv)
1079 {
1080         int ret = 0;
1081
1082         lbs_deb_enter(LBS_DEB_CMD);
1083
1084         ret = libertas_prepare_and_send_command(priv,
1085                                     CMD_802_11_RADIO_CONTROL,
1086                                     CMD_ACT_SET,
1087                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1088
1089         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1090                priv->adapter->radioon, priv->adapter->preamble);
1091
1092         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1093         return ret;
1094 }
1095
1096 int libertas_set_mac_packet_filter(wlan_private * priv)
1097 {
1098         int ret = 0;
1099
1100         lbs_deb_enter(LBS_DEB_CMD);
1101
1102         /* Send MAC control command to station */
1103         ret = libertas_prepare_and_send_command(priv,
1104                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1105
1106         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1107         return ret;
1108 }
1109
1110 /**
1111  *  @brief This function prepare the command before send to firmware.
1112  *
1113  *  @param priv         A pointer to wlan_private structure
1114  *  @param cmd_no       command number
1115  *  @param cmd_action   command action: GET or SET
1116  *  @param wait_option  wait option: wait response or not
1117  *  @param cmd_oid      cmd oid: treated as sub command
1118  *  @param pdata_buf    A pointer to informaion buffer
1119  *  @return             0 or -1
1120  */
1121 int libertas_prepare_and_send_command(wlan_private * priv,
1122                           u16 cmd_no,
1123                           u16 cmd_action,
1124                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1125 {
1126         int ret = 0;
1127         wlan_adapter *adapter = priv->adapter;
1128         struct cmd_ctrl_node *cmdnode;
1129         struct cmd_ds_command *cmdptr;
1130         unsigned long flags;
1131
1132         lbs_deb_enter(LBS_DEB_HOST);
1133
1134         if (!adapter) {
1135                 lbs_deb_host("PREP_CMD: adapter is NULL\n");
1136                 ret = -1;
1137                 goto done;
1138         }
1139
1140         if (adapter->surpriseremoved) {
1141                 lbs_deb_host("PREP_CMD: card removed\n");
1142                 ret = -1;
1143                 goto done;
1144         }
1145
1146         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1147
1148         if (cmdnode == NULL) {
1149                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1150
1151                 /* Wake up main thread to execute next command */
1152                 wake_up_interruptible(&priv->waitq);
1153                 ret = -1;
1154                 goto done;
1155         }
1156
1157         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1158
1159         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1160
1161         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1162
1163         if (!cmdptr) {
1164                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1165                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1166                 ret = -1;
1167                 goto done;
1168         }
1169
1170         /* Set sequence number, command and INT option */
1171         adapter->seqnum++;
1172         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1173
1174         cmdptr->command = cpu_to_le16(cmd_no);
1175         cmdptr->result = 0;
1176
1177         switch (cmd_no) {
1178         case CMD_GET_HW_SPEC:
1179                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1180                 break;
1181         case CMD_802_11_PS_MODE:
1182                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1183                 break;
1184
1185         case CMD_802_11_SCAN:
1186                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1187                 break;
1188
1189         case CMD_MAC_CONTROL:
1190                 ret = wlan_cmd_mac_control(priv, cmdptr);
1191                 break;
1192
1193         case CMD_802_11_ASSOCIATE:
1194         case CMD_802_11_REASSOCIATE:
1195                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1196                 break;
1197
1198         case CMD_802_11_DEAUTHENTICATE:
1199                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1200                 break;
1201
1202         case CMD_802_11_SET_WEP:
1203                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1204                 break;
1205
1206         case CMD_802_11_AD_HOC_START:
1207                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1208                 break;
1209         case CMD_CODE_DNLD:
1210                 break;
1211
1212         case CMD_802_11_RESET:
1213                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1214                 break;
1215
1216         case CMD_802_11_GET_LOG:
1217                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1218                 break;
1219
1220         case CMD_802_11_AUTHENTICATE:
1221                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1222                 break;
1223
1224         case CMD_802_11_GET_STAT:
1225                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1226                 break;
1227
1228         case CMD_802_11_SNMP_MIB:
1229                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1230                                                cmd_action, cmd_oid, pdata_buf);
1231                 break;
1232
1233         case CMD_MAC_REG_ACCESS:
1234         case CMD_BBP_REG_ACCESS:
1235         case CMD_RF_REG_ACCESS:
1236                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1237                 break;
1238
1239         case CMD_802_11_RF_CHANNEL:
1240                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1241                                                  cmd_action, pdata_buf);
1242                 break;
1243
1244         case CMD_802_11_RF_TX_POWER:
1245                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1246                                                   cmd_action, pdata_buf);
1247                 break;
1248
1249         case CMD_802_11_RADIO_CONTROL:
1250                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1251                 break;
1252
1253         case CMD_802_11_DATA_RATE:
1254                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1255                 break;
1256         case CMD_802_11_RATE_ADAPT_RATESET:
1257                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1258                                                          cmdptr, cmd_action);
1259                 break;
1260
1261         case CMD_MAC_MULTICAST_ADR:
1262                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1263                 break;
1264
1265         case CMD_802_11_MONITOR_MODE:
1266                 ret = wlan_cmd_802_11_monitor_mode(priv, cmdptr,
1267                                           cmd_action, pdata_buf);
1268                 break;
1269
1270         case CMD_802_11_AD_HOC_JOIN:
1271                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1272                 break;
1273
1274         case CMD_802_11_RSSI:
1275                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1276                 break;
1277
1278         case CMD_802_11_AD_HOC_STOP:
1279                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1280                 break;
1281
1282         case CMD_802_11_ENABLE_RSN:
1283                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1284                                 pdata_buf);
1285                 break;
1286
1287         case CMD_802_11_KEY_MATERIAL:
1288                 ret = wlan_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1289                                 cmd_oid, pdata_buf);
1290                 break;
1291
1292         case CMD_802_11_PAIRWISE_TSC:
1293                 break;
1294         case CMD_802_11_GROUP_TSC:
1295                 break;
1296
1297         case CMD_802_11_MAC_ADDRESS:
1298                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1299                 break;
1300
1301         case CMD_802_11_EEPROM_ACCESS:
1302                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1303                                                     cmd_action, pdata_buf);
1304                 break;
1305
1306         case CMD_802_11_SET_AFC:
1307         case CMD_802_11_GET_AFC:
1308
1309                 cmdptr->command = cpu_to_le16(cmd_no);
1310                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1311                                            S_DS_GEN);
1312
1313                 memmove(&cmdptr->params.afc,
1314                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1315
1316                 ret = 0;
1317                 goto done;
1318
1319         case CMD_802_11D_DOMAIN_INFO:
1320                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1321                                                    cmd_no, cmd_action);
1322                 break;
1323
1324         case CMD_802_11_SLEEP_PARAMS:
1325                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1326                 break;
1327         case CMD_802_11_INACTIVITY_TIMEOUT:
1328                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1329                                                          cmd_action, pdata_buf);
1330                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1331                 break;
1332
1333         case CMD_802_11_TPC_CFG:
1334                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1335                 cmdptr->size =
1336                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1337                                      S_DS_GEN);
1338
1339                 memmove(&cmdptr->params.tpccfg,
1340                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1341
1342                 ret = 0;
1343                 break;
1344         case CMD_802_11_LED_GPIO_CTRL:
1345                 {
1346                         struct mrvlietypes_ledgpio *gpio =
1347                             (struct mrvlietypes_ledgpio*)
1348                             cmdptr->params.ledgpio.data;
1349
1350                         memmove(&cmdptr->params.ledgpio,
1351                                 pdata_buf,
1352                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1353
1354                         cmdptr->command =
1355                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1356
1357 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1358                         cmdptr->size =
1359                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1360                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1361                         gpio->header.len = cpu_to_le16(gpio->header.len);
1362
1363                         ret = 0;
1364                         break;
1365                 }
1366         case CMD_802_11_PWR_CFG:
1367                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1368                 cmdptr->size =
1369                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1370                                      S_DS_GEN);
1371                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1372                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1373
1374                 ret = 0;
1375                 break;
1376         case CMD_BT_ACCESS:
1377                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1378                 break;
1379
1380         case CMD_FWT_ACCESS:
1381                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1382                 break;
1383
1384         case CMD_MESH_ACCESS:
1385                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1386                 break;
1387
1388         case CMD_SET_BOOT2_VER:
1389                 ret = wlan_cmd_set_boot2_ver(priv, cmdptr, cmd_action, pdata_buf);
1390                 break;
1391
1392         case CMD_GET_TSF:
1393                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1394                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1395                                            S_DS_GEN);
1396                 ret = 0;
1397                 break;
1398         default:
1399                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1400                 ret = -1;
1401                 break;
1402         }
1403
1404         /* return error, since the command preparation failed */
1405         if (ret != 0) {
1406                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1407                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1408                 ret = -1;
1409                 goto done;
1410         }
1411
1412         cmdnode->cmdwaitqwoken = 0;
1413
1414         libertas_queue_cmd(adapter, cmdnode, 1);
1415         adapter->nr_cmd_pending++;
1416         wake_up_interruptible(&priv->waitq);
1417
1418         if (wait_option & CMD_OPTION_WAITFORRSP) {
1419                 lbs_deb_host("PREP_CMD: wait for response\n");
1420                 might_sleep();
1421                 wait_event_interruptible(cmdnode->cmdwait_q,
1422                                          cmdnode->cmdwaitqwoken);
1423         }
1424
1425         spin_lock_irqsave(&adapter->driver_lock, flags);
1426         if (adapter->cur_cmd_retcode) {
1427                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1428                        adapter->cur_cmd_retcode);
1429                 adapter->cur_cmd_retcode = 0;
1430                 ret = -1;
1431         }
1432         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1433
1434 done:
1435         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1436         return ret;
1437 }
1438 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
1439
1440 /**
1441  *  @brief This function allocates the command buffer and link
1442  *  it to command free queue.
1443  *
1444  *  @param priv         A pointer to wlan_private structure
1445  *  @return             0 or -1
1446  */
1447 int libertas_allocate_cmd_buffer(wlan_private * priv)
1448 {
1449         int ret = 0;
1450         u32 ulbufsize;
1451         u32 i;
1452         struct cmd_ctrl_node *tempcmd_array;
1453         u8 *ptempvirtualaddr;
1454         wlan_adapter *adapter = priv->adapter;
1455
1456         lbs_deb_enter(LBS_DEB_HOST);
1457
1458         /* Allocate and initialize cmdCtrlNode */
1459         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1460
1461         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1462                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1463                 ret = -1;
1464                 goto done;
1465         }
1466         adapter->cmd_array = tempcmd_array;
1467
1468         /* Allocate and initialize command buffers */
1469         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1470         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1471                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1472                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1473                         ret = -1;
1474                         goto done;
1475                 }
1476
1477                 /* Update command buffer virtual */
1478                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1479         }
1480
1481         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1482                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1483                 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1484         }
1485
1486         ret = 0;
1487
1488 done:
1489         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1490         return ret;
1491 }
1492
1493 /**
1494  *  @brief This function frees the command buffer.
1495  *
1496  *  @param priv         A pointer to wlan_private structure
1497  *  @return             0 or -1
1498  */
1499 int libertas_free_cmd_buffer(wlan_private * priv)
1500 {
1501         u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1502         unsigned int i;
1503         struct cmd_ctrl_node *tempcmd_array;
1504         wlan_adapter *adapter = priv->adapter;
1505
1506         lbs_deb_enter(LBS_DEB_HOST);
1507
1508         /* need to check if cmd array is allocated or not */
1509         if (adapter->cmd_array == NULL) {
1510                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1511                 goto done;
1512         }
1513
1514         tempcmd_array = adapter->cmd_array;
1515
1516         /* Release shared memory buffers */
1517         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1518         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1519                 if (tempcmd_array[i].bufvirtualaddr) {
1520                         kfree(tempcmd_array[i].bufvirtualaddr);
1521                         tempcmd_array[i].bufvirtualaddr = NULL;
1522                 }
1523         }
1524
1525         /* Release cmd_ctrl_node */
1526         if (adapter->cmd_array) {
1527                 kfree(adapter->cmd_array);
1528                 adapter->cmd_array = NULL;
1529         }
1530
1531 done:
1532         lbs_deb_leave(LBS_DEB_HOST);
1533         return 0;
1534 }
1535
1536 /**
1537  *  @brief This function gets a free command node if available in
1538  *  command free queue.
1539  *
1540  *  @param priv         A pointer to wlan_private structure
1541  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1542  */
1543 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1544 {
1545         struct cmd_ctrl_node *tempnode;
1546         wlan_adapter *adapter = priv->adapter;
1547         unsigned long flags;
1548
1549         lbs_deb_enter(LBS_DEB_HOST);
1550
1551         if (!adapter)
1552                 return NULL;
1553
1554         spin_lock_irqsave(&adapter->driver_lock, flags);
1555
1556         if (!list_empty(&adapter->cmdfreeq)) {
1557                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1558                 list_del((struct list_head *)tempnode);
1559         } else {
1560                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1561                 tempnode = NULL;
1562         }
1563
1564         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1565
1566         if (tempnode)
1567                 cleanup_cmdnode(tempnode);
1568
1569         lbs_deb_leave(LBS_DEB_HOST);
1570         return tempnode;
1571 }
1572
1573 /**
1574  *  @brief This function cleans command node.
1575  *
1576  *  @param ptempnode    A pointer to cmdCtrlNode structure
1577  *  @return             n/a
1578  */
1579 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1580 {
1581         lbs_deb_enter(LBS_DEB_HOST);
1582
1583         if (!ptempnode)
1584                 return;
1585         ptempnode->cmdwaitqwoken = 1;
1586         wake_up_interruptible(&ptempnode->cmdwait_q);
1587         ptempnode->status = 0;
1588         ptempnode->cmd_oid = (u32) 0;
1589         ptempnode->wait_option = 0;
1590         ptempnode->pdata_buf = NULL;
1591
1592         if (ptempnode->bufvirtualaddr != NULL)
1593                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1594
1595         lbs_deb_leave(LBS_DEB_HOST);
1596 }
1597
1598 /**
1599  *  @brief This function initializes the command node.
1600  *
1601  *  @param priv         A pointer to wlan_private structure
1602  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1603  *  @param cmd_oid      cmd oid: treated as sub command
1604  *  @param wait_option  wait option: wait response or not
1605  *  @param pdata_buf    A pointer to informaion buffer
1606  *  @return             0 or -1
1607  */
1608 void libertas_set_cmd_ctrl_node(wlan_private * priv,
1609                     struct cmd_ctrl_node *ptempnode,
1610                     u32 cmd_oid, u16 wait_option, void *pdata_buf)
1611 {
1612         lbs_deb_enter(LBS_DEB_HOST);
1613
1614         if (!ptempnode)
1615                 return;
1616
1617         ptempnode->cmd_oid = cmd_oid;
1618         ptempnode->wait_option = wait_option;
1619         ptempnode->pdata_buf = pdata_buf;
1620
1621         lbs_deb_leave(LBS_DEB_HOST);
1622 }
1623
1624 /**
1625  *  @brief This function executes next command in command
1626  *  pending queue. It will put fimware back to PS mode
1627  *  if applicable.
1628  *
1629  *  @param priv     A pointer to wlan_private structure
1630  *  @return        0 or -1
1631  */
1632 int libertas_execute_next_command(wlan_private * priv)
1633 {
1634         wlan_adapter *adapter = priv->adapter;
1635         struct cmd_ctrl_node *cmdnode = NULL;
1636         struct cmd_ds_command *cmdptr;
1637         unsigned long flags;
1638         int ret = 0;
1639
1640         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1641         // only caller to us is libertas_thread() and we get even when a
1642         // data packet is received
1643         lbs_deb_enter(LBS_DEB_THREAD);
1644
1645         spin_lock_irqsave(&adapter->driver_lock, flags);
1646
1647         if (adapter->cur_cmd) {
1648                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1649                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1650                 ret = -1;
1651                 goto done;
1652         }
1653
1654         if (!list_empty(&adapter->cmdpendingq)) {
1655                 cmdnode = (struct cmd_ctrl_node *)
1656                     adapter->cmdpendingq.next;
1657         }
1658
1659         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1660
1661         if (cmdnode) {
1662                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1663
1664                 if (is_command_allowed_in_ps(cmdptr->command)) {
1665                         if ((adapter->psstate == PS_STATE_SLEEP) ||
1666                             (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1667                                 lbs_deb_host(
1668                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1669                                        le16_to_cpu(cmdptr->command),
1670                                        adapter->psstate);
1671                                 ret = -1;
1672                                 goto done;
1673                         }
1674                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1675                                "0x%04x in psstate %d\n",
1676                                     le16_to_cpu(cmdptr->command),
1677                                     adapter->psstate);
1678                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1679                         /*
1680                          * 1. Non-PS command:
1681                          * Queue it. set needtowakeup to TRUE if current state
1682                          * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1683                          * 2. PS command but not Exit_PS:
1684                          * Ignore it.
1685                          * 3. PS command Exit_PS:
1686                          * Set needtowakeup to TRUE if current state is SLEEP,
1687                          * otherwise send this command down to firmware
1688                          * immediately.
1689                          */
1690                         if (cmdptr->command !=
1691                             cpu_to_le16(CMD_802_11_PS_MODE)) {
1692                                 /*  Prepare to send Exit PS,
1693                                  *  this non PS command will be sent later */
1694                                 if ((adapter->psstate == PS_STATE_SLEEP)
1695                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1696                                     ) {
1697                                         /* w/ new scheme, it will not reach here.
1698                                            since it is blocked in main_thread. */
1699                                         adapter->needtowakeup = 1;
1700                                 } else
1701                                         libertas_ps_wakeup(priv, 0);
1702
1703                                 ret = 0;
1704                                 goto done;
1705                         } else {
1706                                 /*
1707                                  * PS command. Ignore it if it is not Exit_PS.
1708                                  * otherwise send it down immediately.
1709                                  */
1710                                 struct cmd_ds_802_11_ps_mode *psm =
1711                                     &cmdptr->params.psmode;
1712
1713                                 lbs_deb_host(
1714                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1715                                        psm->action);
1716                                 if (psm->action !=
1717                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1718                                         lbs_deb_host(
1719                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1720                                         list_del((struct list_head *)cmdnode);
1721                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1722
1723                                         ret = 0;
1724                                         goto done;
1725                                 }
1726
1727                                 if ((adapter->psstate == PS_STATE_SLEEP) ||
1728                                     (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1729                                         lbs_deb_host(
1730                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1731                                         list_del((struct list_head *)cmdnode);
1732                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1733                                         adapter->needtowakeup = 1;
1734
1735                                         ret = 0;
1736                                         goto done;
1737                                 }
1738
1739                                 lbs_deb_host(
1740                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1741                         }
1742                 }
1743                 list_del((struct list_head *)cmdnode);
1744                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1745                             le16_to_cpu(cmdptr->command));
1746                 DownloadcommandToStation(priv, cmdnode);
1747         } else {
1748                 /*
1749                  * check if in power save mode, if yes, put the device back
1750                  * to PS mode
1751                  */
1752                 if ((adapter->psmode != WLAN802_11POWERMODECAM) &&
1753                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1754                     (adapter->connect_status == LIBERTAS_CONNECTED)) {
1755                         if (adapter->secinfo.WPAenabled ||
1756                             adapter->secinfo.WPA2enabled) {
1757                                 /* check for valid WPA group keys */
1758                                 if (adapter->wpa_mcast_key.len ||
1759                                     adapter->wpa_unicast_key.len) {
1760                                         lbs_deb_host(
1761                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1762                                                " go back to PS_SLEEP");
1763                                         libertas_ps_sleep(priv, 0);
1764                                 }
1765                         } else {
1766                                 lbs_deb_host(
1767                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1768                                        "go back to PS_SLEEP");
1769                                 libertas_ps_sleep(priv, 0);
1770                         }
1771                 }
1772         }
1773
1774         ret = 0;
1775 done:
1776         lbs_deb_leave(LBS_DEB_THREAD);
1777         return ret;
1778 }
1779
1780 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1781 {
1782         union iwreq_data iwrq;
1783         u8 buf[50];
1784
1785         lbs_deb_enter(LBS_DEB_WEXT);
1786
1787         memset(&iwrq, 0, sizeof(union iwreq_data));
1788         memset(buf, 0, sizeof(buf));
1789
1790         snprintf(buf, sizeof(buf) - 1, "%s", str);
1791
1792         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1793
1794         /* Send Event to upper layer */
1795         lbs_deb_wext("event indication string %s\n", (char *)buf);
1796         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1797         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1798
1799         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1800
1801         lbs_deb_leave(LBS_DEB_WEXT);
1802 }
1803
1804 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1805 {
1806         unsigned long flags;
1807         wlan_adapter *adapter = priv->adapter;
1808         int ret = 0;
1809
1810         lbs_deb_enter(LBS_DEB_HOST);
1811
1812         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1813                size);
1814
1815         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1816
1817         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1818         priv->dnld_sent = DNLD_RES_RECEIVED;
1819
1820         spin_lock_irqsave(&adapter->driver_lock, flags);
1821         if (adapter->intcounter || adapter->currenttxskb)
1822                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1823                        adapter->intcounter, adapter->currenttxskb);
1824         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1825
1826         if (ret) {
1827                 lbs_pr_alert(
1828                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1829         } else {
1830                 spin_lock_irqsave(&adapter->driver_lock, flags);
1831                 if (!adapter->intcounter) {
1832                         adapter->psstate = PS_STATE_SLEEP;
1833                 } else {
1834                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1835                                adapter->intcounter);
1836                 }
1837                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1838
1839                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1840         }
1841
1842         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1843         return ret;
1844 }
1845
1846 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1847 {
1848         lbs_deb_enter(LBS_DEB_HOST);
1849
1850         /*
1851          * PS is currently supported only in Infrastructure mode
1852          * Remove this check if it is to be supported in IBSS mode also
1853          */
1854
1855         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1856                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1857
1858         lbs_deb_leave(LBS_DEB_HOST);
1859 }
1860
1861 /**
1862  *  @brief This function sends Exit_PS command to firmware.
1863  *
1864  *  @param priv         A pointer to wlan_private structure
1865  *  @param wait_option  wait response or not
1866  *  @return             n/a
1867  */
1868 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1869 {
1870         __le32 Localpsmode;
1871
1872         lbs_deb_enter(LBS_DEB_HOST);
1873
1874         Localpsmode = cpu_to_le32(WLAN802_11POWERMODECAM);
1875
1876         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1877                               CMD_SUBCMD_EXIT_PS,
1878                               wait_option, 0, &Localpsmode);
1879
1880         lbs_deb_leave(LBS_DEB_HOST);
1881 }
1882
1883 /**
1884  *  @brief This function checks condition and prepares to
1885  *  send sleep confirm command to firmware if ok.
1886  *
1887  *  @param priv         A pointer to wlan_private structure
1888  *  @param psmode       Power Saving mode
1889  *  @return             n/a
1890  */
1891 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1892 {
1893         unsigned long flags =0;
1894         wlan_adapter *adapter = priv->adapter;
1895         u8 allowed = 1;
1896
1897         lbs_deb_enter(LBS_DEB_HOST);
1898
1899         if (priv->dnld_sent) {
1900                 allowed = 0;
1901                 lbs_deb_host("dnld_sent was set");
1902         }
1903
1904         spin_lock_irqsave(&adapter->driver_lock, flags);
1905         if (adapter->cur_cmd) {
1906                 allowed = 0;
1907                 lbs_deb_host("cur_cmd was set");
1908         }
1909         if (adapter->intcounter > 0) {
1910                 allowed = 0;
1911                 lbs_deb_host("intcounter %d", adapter->intcounter);
1912         }
1913         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1914
1915         if (allowed) {
1916                 lbs_deb_host("sending libertas_ps_confirm_sleep\n");
1917                 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1918                                  sizeof(struct PS_CMD_ConfirmSleep));
1919         } else {
1920                 lbs_deb_host("sleep confirm has been delayed\n");
1921         }
1922
1923         lbs_deb_leave(LBS_DEB_HOST);
1924 }