Pileus Git - ~andy/linux/blob - drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14
  15 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  16
  17 static u16 commands_allowed_in_ps[] = {
  18         cmd_802_11_rssi,
  19 };
  20
  21 /**
  22  *  @brief This function checks if the commans is allowed
  23  *  in PS mode not.
  24  *
  25  *  @param command the command ID
  26  *  @return        TRUE or FALSE
  27  */
  28 static u8 is_command_allowed_in_ps(u16 command)
  29 {
  30         int count = sizeof(commands_allowed_in_ps)
  31             / sizeof(commands_allowed_in_ps[0]);
  32         int i;
  33
  34         for (i = 0; i < count; i++) {
  35                 if (command == cpu_to_le16(commands_allowed_in_ps[i]))
  36                         return 1;
  37         }
  38
  39         return 0;
  40 }
  41
  42 static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
  43 {
  44         struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
  45
  46         lbs_deb_enter(LBS_DEB_CMD);
  47
  48         cmd->command = cpu_to_le16(cmd_get_hw_spec);
  49         cmd->size =
  50             cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
  51         memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
  52
  53         lbs_deb_leave(LBS_DEB_CMD);
  54         return 0;
  55 }
  56
  57 static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
  58                                    struct cmd_ds_command *cmd,
  59                                    u16 cmd_action)
  60 {
  61         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
  62         u16 action = cmd_action;
  63         wlan_adapter *adapter = priv->adapter;
  64
  65         lbs_deb_enter(LBS_DEB_CMD);
  66
  67         cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
  68         cmd->size =
  69             cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
  70                              S_DS_GEN);
  71         psm->action = cpu_to_le16(cmd_action);
  72         psm->multipledtim = 0;
  73         switch (action) {
  74         case cmd_subcmd_enter_ps:
  75                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
  76                 lbs_deb_cmd("locallisteninterval = %d\n",
  77                        adapter->locallisteninterval);
  78
  79                 psm->locallisteninterval =
  80                     cpu_to_le16(adapter->locallisteninterval);
  81                 psm->nullpktinterval =
  82                     cpu_to_le16(adapter->nullpktinterval);
  83                 psm->multipledtim =
  84                     cpu_to_le16(priv->adapter->multipledtim);
  85                 break;
  86
  87         case cmd_subcmd_exit_ps:
  88                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
  89                 break;
  90
  91         case cmd_subcmd_sleep_confirmed:
  92                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
  93                 break;
  94
  95         default:
  96                 break;
  97         }
  98
  99         lbs_deb_leave(LBS_DEB_CMD);
 100         return 0;
 101 }
 102
 103 static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
 104                                               struct cmd_ds_command *cmd,
 105                                               u16 cmd_action, void *pdata_buf)
 106 {
 107         u16 *timeout = pdata_buf;
 108
 109         cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
 110         cmd->size =
 111             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 112                              + S_DS_GEN);
 113
 114         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 115
 116         if (cmd_action)
 117                 cmd->params.inactivity_timeout.timeout =
 118                     cpu_to_le16(*timeout);
 119         else
 120                 cmd->params.inactivity_timeout.timeout = 0;
 121
 122         return 0;
 123 }
 124
 125 static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
 126                                         struct cmd_ds_command *cmd,
 127                                         u16 cmd_action)
 128 {
 129         wlan_adapter *adapter = priv->adapter;
 130         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 131
 132         lbs_deb_enter(LBS_DEB_CMD);
 133
 134         cmd->size =
 135             cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 136                              S_DS_GEN);
 137         cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
 138
 139         if (cmd_action == cmd_act_get) {
 140                 memset(&adapter->sp, 0, sizeof(struct sleep_params));
 141                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 142                 sp->action = cpu_to_le16(cmd_action);
 143         } else if (cmd_action == cmd_act_set) {
 144                 sp->action = cpu_to_le16(cmd_action);
 145                 sp->error = cpu_to_le16(adapter->sp.sp_error);
 146                 sp->offset = cpu_to_le16(adapter->sp.sp_offset);
 147                 sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
 148                 sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
 149                 sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
 150                 sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
 151         }
 152
 153         lbs_deb_leave(LBS_DEB_CMD);
 154         return 0;
 155 }
 156
 157 static int wlan_cmd_802_11_set_wep(wlan_private * priv,
 158                                    struct cmd_ds_command *cmd,
 159                                    u32 cmd_act,
 160                                    void * pdata_buf)
 161 {
 162         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 163         wlan_adapter *adapter = priv->adapter;
 164         int ret = 0;
 165         struct assoc_request * assoc_req = pdata_buf;
 166
 167         lbs_deb_enter(LBS_DEB_CMD);
 168
 169         cmd->command = cpu_to_le16(cmd_802_11_set_wep);
 170         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
 171                                      + S_DS_GEN);
 172
 173         if (cmd_act == cmd_act_add) {
 174                 int i;
 175
 176                 if (!assoc_req) {
 177                         lbs_deb_cmd("Invalid association request!");
 178                         ret = -1;
 179                         goto done;
 180                 }
 181
 182                 wep->action = cpu_to_le16(cmd_act_add);
 183
 184                 /* default tx key index */
 185                 wep->keyindex = cpu_to_le16((u16)
 186                                                  (assoc_req->wep_tx_keyidx &
 187                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 188
 189                 lbs_deb_cmd("Tx key Index: %u\n", wep->keyindex);
 190
 191                 /* Copy key types and material to host command structure */
 192                 for (i = 0; i < 4; i++) {
 193                         struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
 194
 195                         switch (pkey->len) {
 196                         case KEY_LEN_WEP_40:
 197                                 wep->keytype[i] = cmd_type_wep_40_bit;
 198                                 memmove(&wep->keymaterial[i], pkey->key,
 199                                         pkey->len);
 200                                 break;
 201                         case KEY_LEN_WEP_104:
 202                                 wep->keytype[i] = cmd_type_wep_104_bit;
 203                                 memmove(&wep->keymaterial[i], pkey->key,
 204                                         pkey->len);
 205                                 break;
 206                         case 0:
 207                                 break;
 208                         default:
 209                                 lbs_deb_cmd("Invalid WEP key %d length of %d\n",
 210                                        i, pkey->len);
 211                                 ret = -1;
 212                                 goto done;
 213                                 break;
 214                         }
 215                 }
 216         } else if (cmd_act == cmd_act_remove) {
 217                 /* ACT_REMOVE clears _all_ WEP keys */
 218                 wep->action = cpu_to_le16(cmd_act_remove);
 219
 220                 /* default tx key index */
 221                 wep->keyindex = cpu_to_le16((u16)
 222                                                  (adapter->wep_tx_keyidx &
 223                                                  (u32)cmd_WEP_KEY_INDEX_MASK));
 224         }
 225
 226         ret = 0;
 227
 228 done:
 229         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 230         return ret;
 231 }
 232
 233 static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
 234                                       struct cmd_ds_command *cmd,
 235                                       u16 cmd_action)
 236 {
 237         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 238         wlan_adapter *adapter = priv->adapter;
 239
 240         cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
 241         cmd->size =
 242             cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
 243                              S_DS_GEN);
 244         penableRSN->action = cpu_to_le16(cmd_action);
 245         if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
 246                 penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
 247         } else {
 248                 penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
 249         }
 250
 251         return 0;
 252 }
 253
 254
 255 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 256                             struct WLAN_802_11_KEY * pkey)
 257 {
 258         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 259
 260         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 261                 pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
 262         } else {
 263                 pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
 264         }
 265
 266         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 267                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 268         } else if (pkey->flags & KEY_INFO_WPA_MCAST) {
 269                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 270         }
 271
 272         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 273         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 274         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 275         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 276                                                 + sizeof(pkeyparamset->keyinfo)
 277                                                 + sizeof(pkeyparamset->keylen)
 278                                                 + sizeof(pkeyparamset->key));
 279 }
 280
 281 static int wlan_cmd_802_11_key_material(wlan_private * priv,
 282                                         struct cmd_ds_command *cmd,
 283                                         u16 cmd_action,
 284                                         u32 cmd_oid, void *pdata_buf)
 285 {
 286         wlan_adapter *adapter = priv->adapter;
 287         struct cmd_ds_802_11_key_material *pkeymaterial =
 288             &cmd->params.keymaterial;
 289         int ret = 0;
 290         int index = 0;
 291
 292         lbs_deb_enter(LBS_DEB_CMD);
 293
 294         cmd->command = cpu_to_le16(cmd_802_11_key_material);
 295         pkeymaterial->action = cpu_to_le16(cmd_action);
 296
 297         if (cmd_action == cmd_act_get) {
 298                 cmd->size = cpu_to_le16(  S_DS_GEN
 299                                              + sizeof (pkeymaterial->action));
 300                 ret = 0;
 301                 goto done;
 302         }
 303
 304         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 305
 306         if (adapter->wpa_unicast_key.len) {
 307                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 308                                 &adapter->wpa_unicast_key);
 309                 index++;
 310         }
 311
 312         if (adapter->wpa_mcast_key.len) {
 313                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 314                                 &adapter->wpa_mcast_key);
 315                 index++;
 316         }
 317
 318         cmd->size = cpu_to_le16(  S_DS_GEN
 319                                      + sizeof (pkeymaterial->action)
 320                                      + index * sizeof(struct MrvlIEtype_keyParamSet));
 321
 322         ret = 0;
 323
 324 done:
 325         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 326         return ret;
 327 }
 328
 329 static int wlan_cmd_802_11_reset(wlan_private * priv,
 330                                  struct cmd_ds_command *cmd, int cmd_action)
 331 {
 332         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 333
 334         cmd->command = cpu_to_le16(cmd_802_11_reset);
 335         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 336         reset->action = cpu_to_le16(cmd_action);
 337
 338         return 0;
 339 }
 340
 341 static int wlan_cmd_802_11_get_log(wlan_private * priv,
 342                                    struct cmd_ds_command *cmd)
 343 {
 344         cmd->command = cpu_to_le16(cmd_802_11_get_log);
 345         cmd->size =
 346                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 347
 348         return 0;
 349 }
 350
 351 static int wlan_cmd_802_11_get_stat(wlan_private * priv,
 352                                     struct cmd_ds_command *cmd)
 353 {
 354         cmd->command = cpu_to_le16(cmd_802_11_get_stat);
 355         cmd->size =
 356             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
 357                              S_DS_GEN);
 358
 359         return 0;
 360 }
 361
 362 static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
 363                                     struct cmd_ds_command *cmd,
 364                                     int cmd_action,
 365                                     int cmd_oid, void *pdata_buf)
 366 {
 367         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 368         wlan_adapter *adapter = priv->adapter;
 369         u8 ucTemp;
 370
 371         lbs_deb_enter(LBS_DEB_CMD);
 372
 373         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 374
 375         cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
 376         cmd->size =
 377             cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
 378                              S_DS_GEN);
 379
 380         switch (cmd_oid) {
 381         case OID_802_11_INFRASTRUCTURE_MODE:
 382         {
 383                 u8 mode = (u8) (size_t) pdata_buf;
 384                 pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
 385                 pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
 386                 pSNMPMIB->bufsize = sizeof(u8);
 387                 if (mode == IW_MODE_ADHOC) {
 388                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 389                 } else {
 390                         /* Infra and Auto modes */
 391                         ucTemp = SNMP_MIB_VALUE_INFRA;
 392                 }
 393
 394                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 395
 396                 break;
 397         }
 398
 399         case OID_802_11D_ENABLE:
 400                 {
 401                         u32 ulTemp;
 402
 403                         pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
 404
 405                         if (cmd_action == cmd_act_set) {
 406                                 pSNMPMIB->querytype = cmd_act_set;
 407                                 pSNMPMIB->bufsize = sizeof(u16);
 408                                 ulTemp = *(u32 *)pdata_buf;
 409                                 *((unsigned short *)(pSNMPMIB->value)) =
 410                                     cpu_to_le16((u16) ulTemp);
 411                         }
 412                         break;
 413                 }
 414
 415         case OID_802_11_FRAGMENTATION_THRESHOLD:
 416                 {
 417                         u32 ulTemp;
 418
 419                         pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
 420
 421                         if (cmd_action == cmd_act_get) {
 422                                 pSNMPMIB->querytype =
 423                                     cpu_to_le16(cmd_act_get);
 424                         } else if (cmd_action == cmd_act_set) {
 425                                 pSNMPMIB->querytype =
 426                                     cpu_to_le16(cmd_act_set);
 427                                 pSNMPMIB->bufsize =
 428                                     cpu_to_le16(sizeof(u16));
 429                                 ulTemp = *((u32 *) pdata_buf);
 430                                 *((unsigned short *)(pSNMPMIB->value)) =
 431                                     cpu_to_le16((u16) ulTemp);
 432
 433                         }
 434
 435                         break;
 436                 }
 437
 438         case OID_802_11_RTS_THRESHOLD:
 439                 {
 440
 441                         u32 ulTemp;
 442                         pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
 443
 444                         if (cmd_action == cmd_act_get) {
 445                                 pSNMPMIB->querytype =
 446                                     cpu_to_le16(cmd_act_get);
 447                         } else if (cmd_action == cmd_act_set) {
 448                                 pSNMPMIB->querytype =
 449                                     cpu_to_le16(cmd_act_set);
 450                                 pSNMPMIB->bufsize =
 451                                     cpu_to_le16(sizeof(u16));
 452                                 ulTemp = *((u32 *)
 453                                            pdata_buf);
 454                                 *(unsigned short *)(pSNMPMIB->value) =
 455                                     cpu_to_le16((u16) ulTemp);
 456
 457                         }
 458                         break;
 459                 }
 460         case OID_802_11_TX_RETRYCOUNT:
 461                 pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
 462
 463                 if (cmd_action == cmd_act_get) {
 464                         pSNMPMIB->querytype =
 465                             cpu_to_le16(cmd_act_get);
 466                 } else if (cmd_action == cmd_act_set) {
 467                         pSNMPMIB->querytype =
 468                             cpu_to_le16(cmd_act_set);
 469                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 470                         *((unsigned short *)(pSNMPMIB->value)) =
 471                             cpu_to_le16((u16) adapter->txretrycount);
 472                 }
 473
 474                 break;
 475         default:
 476                 break;
 477         }
 478
 479         lbs_deb_cmd(
 480                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 481                cmd->command, cmd->size, cmd->seqnum, cmd->result);
 482
 483         lbs_deb_cmd(
 484                "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
 485                pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
 486                *(u16 *) pSNMPMIB->value);
 487
 488         lbs_deb_leave(LBS_DEB_CMD);
 489         return 0;
 490 }
 491
 492 static int wlan_cmd_802_11_radio_control(wlan_private * priv,
 493                                          struct cmd_ds_command *cmd,
 494                                          int cmd_action)
 495 {
 496         wlan_adapter *adapter = priv->adapter;
 497         struct cmd_ds_802_11_radio_control *pradiocontrol =
 498             &cmd->params.radio;
 499
 500         lbs_deb_enter(LBS_DEB_CMD);
 501
 502         cmd->size =
 503             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 504                              S_DS_GEN);
 505         cmd->command = cpu_to_le16(cmd_802_11_radio_control);
 506
 507         pradiocontrol->action = cpu_to_le16(cmd_action);
 508
 509         switch (adapter->preamble) {
 510         case cmd_type_short_preamble:
 511                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 512                 break;
 513
 514         case cmd_type_long_preamble:
 515                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 516                 break;
 517
 518         case cmd_type_auto_preamble:
 519         default:
 520                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 521                 break;
 522         }
 523
 524         if (adapter->radioon)
 525                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 526         else
 527                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 528
 529         lbs_deb_leave(LBS_DEB_CMD);
 530         return 0;
 531 }
 532
 533 static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
 534                                        struct cmd_ds_command *cmd,
 535                                        u16 cmd_action, void *pdata_buf)
 536 {
 537
 538         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 539
 540         lbs_deb_enter(LBS_DEB_CMD);
 541
 542         cmd->size =
 543             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
 544                              S_DS_GEN);
 545         cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
 546         prtp->action = cmd_action;
 547
 548         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
 549                cmd->command, prtp->action);
 550
 551         switch (cmd_action) {
 552         case cmd_act_tx_power_opt_get:
 553                 prtp->action = cpu_to_le16(cmd_act_get);
 554                 prtp->currentlevel = 0;
 555                 break;
 556
 557         case cmd_act_tx_power_opt_set_high:
 558                 prtp->action = cpu_to_le16(cmd_act_set);
 559                 prtp->currentlevel =
 560                     cpu_to_le16(cmd_act_tx_power_index_high);
 561                 break;
 562
 563         case cmd_act_tx_power_opt_set_mid:
 564                 prtp->action = cpu_to_le16(cmd_act_set);
 565                 prtp->currentlevel =
 566                     cpu_to_le16(cmd_act_tx_power_index_mid);
 567                 break;
 568
 569         case cmd_act_tx_power_opt_set_low:
 570                 prtp->action = cpu_to_le16(cmd_act_set);
 571                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 572                 break;
 573         }
 574
 575         lbs_deb_leave(LBS_DEB_CMD);
 576         return 0;
 577 }
 578
 579 static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
 580                                       struct cmd_ds_command *cmd,
 581                                       u16 cmd_action, void *pdata_buf)
 582 {
 583         struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
 584
 585         cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
 586         cmd->size =
 587             cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
 588                              S_DS_GEN);
 589
 590         rant->action = cpu_to_le16(cmd_action);
 591         if ((cmd_action == cmd_act_set_rx) ||
 592             (cmd_action == cmd_act_set_tx)) {
 593                 rant->antennamode =
 594                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 595         }
 596
 597         return 0;
 598 }
 599
 600 static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
 601                                               struct cmd_ds_command *cmd,
 602                                               u16 cmd_action)
 603 {
 604         struct cmd_ds_802_11_rate_adapt_rateset
 605         *rateadapt = &cmd->params.rateset;
 606         wlan_adapter *adapter = priv->adapter;
 607
 608         cmd->size =
 609             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 610                              + S_DS_GEN);
 611         cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
 612
 613         lbs_deb_enter(LBS_DEB_CMD);
 614
 615         rateadapt->action = cmd_action;
 616         rateadapt->enablehwauto = adapter->enablehwauto;
 617         rateadapt->bitmap = adapter->ratebitmap;
 618
 619         lbs_deb_leave(LBS_DEB_CMD);
 620         return 0;
 621 }
 622
 623 static int wlan_cmd_802_11_data_rate(wlan_private * priv,
 624                                      struct cmd_ds_command *cmd,
 625                                      u16 cmd_action)
 626 {
 627         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
 628         wlan_adapter *adapter = priv->adapter;
 629         u16 action = cmd_action;
 630
 631         lbs_deb_enter(LBS_DEB_CMD);
 632
 633         cmd->size =
 634             cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
 635                              S_DS_GEN);
 636
 637         cmd->command = cpu_to_le16(cmd_802_11_data_rate);
 638
 639         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
 640
 641         pdatarate->action = cpu_to_le16(cmd_action);
 642
 643         if (action == cmd_act_set_tx_fix_rate) {
 644                 pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
 645                 lbs_deb_cmd("Setting FW for fixed rate 0x%02X\n",
 646                        adapter->datarate);
 647         } else if (action == cmd_act_set_tx_auto) {
 648                 lbs_deb_cmd("Setting FW for AUTO rate\n");
 649         }
 650
 651         lbs_deb_leave(LBS_DEB_CMD);
 652         return 0;
 653 }
 654
 655 static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
 656                                       struct cmd_ds_command *cmd,
 657                                       u16 cmd_action)
 658 {
 659         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 660         wlan_adapter *adapter = priv->adapter;
 661
 662         cmd->size =
 663             cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 664                              S_DS_GEN);
 665         cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
 666
 667         pMCastAdr->action = cpu_to_le16(cmd_action);
 668         pMCastAdr->nr_of_adrs =
 669             cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
 670         memcpy(pMCastAdr->maclist, adapter->multicastlist,
 671                adapter->nr_of_multicastmacaddr * ETH_ALEN);
 672
 673         return 0;
 674 }
 675
 676 static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
 677                                       struct cmd_ds_command *cmd,
 678                                       int option, void *pdata_buf)
 679 {
 680         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 681
 682         cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
 683         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
 684                                      + S_DS_GEN);
 685
 686         if (option == cmd_opt_802_11_rf_channel_set) {
 687                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 688         }
 689
 690         rfchan->action = cpu_to_le16(option);
 691
 692         return 0;
 693 }
 694
 695 static int wlan_cmd_802_11_rssi(wlan_private * priv,
 696                                 struct cmd_ds_command *cmd)
 697 {
 698         wlan_adapter *adapter = priv->adapter;
 699
 700         cmd->command = cpu_to_le16(cmd_802_11_rssi);
 701         cmd->size =
 702             cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 703         cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
 704
 705         /* reset Beacon SNR/NF/RSSI values */
 706         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 707         adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 708         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 709         adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
 710         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 711         adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 712
 713         return 0;
 714 }
 715
 716 static int wlan_cmd_reg_access(wlan_private * priv,
 717                                struct cmd_ds_command *cmdptr,
 718                                u8 cmd_action, void *pdata_buf)
 719 {
 720         struct wlan_offset_value *offval;
 721
 722         lbs_deb_enter(LBS_DEB_CMD);
 723
 724         offval = (struct wlan_offset_value *)pdata_buf;
 725
 726         switch (cmdptr->command) {
 727         case cmd_mac_reg_access:
 728                 {
 729                         struct cmd_ds_mac_reg_access *macreg;
 730
 731                         cmdptr->size =
 732                             cpu_to_le16(sizeof
 733                                              (struct cmd_ds_mac_reg_access)
 734                                              + S_DS_GEN);
 735                         macreg =
 736                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 737                             macreg;
 738
 739                         macreg->action = cpu_to_le16(cmd_action);
 740                         macreg->offset = cpu_to_le16((u16) offval->offset);
 741                         macreg->value = cpu_to_le32(offval->value);
 742
 743                         break;
 744                 }
 745
 746         case cmd_bbp_reg_access:
 747                 {
 748                         struct cmd_ds_bbp_reg_access *bbpreg;
 749
 750                         cmdptr->size =
 751                             cpu_to_le16(sizeof
 752                                              (struct cmd_ds_bbp_reg_access)
 753                                              + S_DS_GEN);
 754                         bbpreg =
 755                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 756                             bbpreg;
 757
 758                         bbpreg->action = cpu_to_le16(cmd_action);
 759                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 760                         bbpreg->value = (u8) offval->value;
 761
 762                         break;
 763                 }
 764
 765         case cmd_rf_reg_access:
 766                 {
 767                         struct cmd_ds_rf_reg_access *rfreg;
 768
 769                         cmdptr->size =
 770                             cpu_to_le16(sizeof
 771                                              (struct cmd_ds_rf_reg_access) +
 772                                              S_DS_GEN);
 773                         rfreg =
 774                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 775                             rfreg;
 776
 777                         rfreg->action = cpu_to_le16(cmd_action);
 778                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 779                         rfreg->value = (u8) offval->value;
 780
 781                         break;
 782                 }
 783
 784         default:
 785                 break;
 786         }
 787
 788         lbs_deb_leave(LBS_DEB_CMD);
 789         return 0;
 790 }
 791
 792 static int wlan_cmd_802_11_mac_address(wlan_private * priv,
 793                                        struct cmd_ds_command *cmd,
 794                                        u16 cmd_action)
 795 {
 796         wlan_adapter *adapter = priv->adapter;
 797
 798         cmd->command = cpu_to_le16(cmd_802_11_mac_address);
 799         cmd->size =
 800             cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 801                              S_DS_GEN);
 802         cmd->result = 0;
 803
 804         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 805
 806         if (cmd_action == cmd_act_set) {
 807                 memcpy(cmd->params.macadd.macadd,
 808                        adapter->current_addr, ETH_ALEN);
 809                 lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
 810         }
 811
 812         return 0;
 813 }
 814
 815 static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
 816                                          struct cmd_ds_command *cmd,
 817                                          int cmd_action, void *pdata_buf)
 818 {
 819         struct wlan_ioctl_regrdwr *ea = pdata_buf;
 820
 821         lbs_deb_enter(LBS_DEB_CMD);
 822
 823         cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
 824         cmd->size =
 825             cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 826                              S_DS_GEN);
 827         cmd->result = 0;
 828
 829         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 830         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 831         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 832         cmd->params.rdeeprom.value = 0;
 833
 834         return 0;
 835 }
 836
 837 static int wlan_cmd_bt_access(wlan_private * priv,
 838                                struct cmd_ds_command *cmd,
 839                                u16 cmd_action, void *pdata_buf)
 840 {
 841         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 842         lbs_deb_cmd("BT CMD(%d)\n", cmd_action);
 843
 844         cmd->command = cpu_to_le16(cmd_bt_access);
 845         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
 846                                      + S_DS_GEN);
 847         cmd->result = 0;
 848         bt_access->action = cpu_to_le16(cmd_action);
 849
 850         switch (cmd_action) {
 851         case cmd_act_bt_access_add:
 852                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 853                 lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
 854                 break;
 855         case cmd_act_bt_access_del:
 856                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 857                 lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
 858                 break;
 859         case cmd_act_bt_access_list:
 860                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 861                 break;
 862         case cmd_act_bt_access_reset:
 863                 break;
 864         default:
 865                 break;
 866         }
 867         return 0;
 868 }
 869
 870 static int wlan_cmd_fwt_access(wlan_private * priv,
 871                                struct cmd_ds_command *cmd,
 872                                u16 cmd_action, void *pdata_buf)
 873 {
 874         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 875         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 876
 877         cmd->command = cpu_to_le16(cmd_fwt_access);
 878         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
 879                                      + S_DS_GEN);
 880         cmd->result = 0;
 881
 882         if (pdata_buf)
 883                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
 884         else
 885                 memset(fwt_access, 0, sizeof(*fwt_access));
 886
 887         fwt_access->action = cpu_to_le16(cmd_action);
 888
 889         return 0;
 890 }
 891
 892 static int wlan_cmd_mesh_access(wlan_private * priv,
 893                                 struct cmd_ds_command *cmd,
 894                                 u16 cmd_action, void *pdata_buf)
 895 {
 896         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
 897         lbs_deb_cmd("FWT CMD(%d)\n", cmd_action);
 898
 899         cmd->command = cpu_to_le16(cmd_mesh_access);
 900         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
 901                                      + S_DS_GEN);
 902         cmd->result = 0;
 903
 904         if (pdata_buf)
 905                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
 906         else
 907                 memset(mesh_access, 0, sizeof(*mesh_access));
 908
 909         mesh_access->action = cpu_to_le16(cmd_action);
 910
 911         return 0;
 912 }
 913
 914 void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
 915 {
 916         unsigned long flags;
 917         struct cmd_ds_command *cmdptr;
 918
 919         lbs_deb_enter(LBS_DEB_CMD);
 920
 921         if (!cmdnode) {
 922                 lbs_deb_cmd("QUEUE_CMD: cmdnode is NULL\n");
 923                 goto done;
 924         }
 925
 926         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 927         if (!cmdptr) {
 928                 lbs_deb_cmd("QUEUE_CMD: cmdptr is NULL\n");
 929                 goto done;
 930         }
 931
 932         /* Exit_PS command needs to be queued in the header always. */
 933         if (cmdptr->command == cmd_802_11_ps_mode) {
 934                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
 935                 if (psm->action == cmd_subcmd_exit_ps) {
 936                         if (adapter->psstate != PS_STATE_FULL_POWER)
 937                                 addtail = 0;
 938                 }
 939         }
 940
 941         spin_lock_irqsave(&adapter->driver_lock, flags);
 942
 943         if (addtail)
 944                 list_add_tail((struct list_head *)cmdnode,
 945                               &adapter->cmdpendingq);
 946         else
 947                 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
 948
 949         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 950
 951         lbs_deb_cmd("QUEUE_CMD: Inserted node=%p, cmd=0x%x in cmdpendingq\n",
 952                cmdnode,
 953                ((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
 954
 955 done:
 956         lbs_deb_leave(LBS_DEB_CMD);
 957 }
 958
 959 /*
 960  * TODO: Fix the issue when DownloadcommandToStation is being called the
 961  * second time when the command timesout. 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 = 0;
 973         u16 cmdsize;
 974         u16 command;
 975
 976         lbs_deb_enter(LBS_DEB_CMD);
 977
 978         if (!adapter || !cmdnode) {
 979                 lbs_deb_cmd("DNLD_CMD: adapter = %p, cmdnode = %p\n",
 980                        adapter, cmdnode);
 981                 if (cmdnode) {
 982                         spin_lock_irqsave(&adapter->driver_lock, flags);
 983                         __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 984                         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 985                 }
 986                 ret = -1;
 987                 goto done;
 988         }
 989
 990         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 991
 992
 993         spin_lock_irqsave(&adapter->driver_lock, flags);
 994         if (!cmdptr || !cmdptr->size) {
 995                 lbs_deb_cmd("DNLD_CMD: cmdptr is Null or cmd size is Zero, "
 996                        "Not sending\n");
 997                 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 998                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 999                 ret = -1;
1000                 goto done;
1001         }
1002
1003         adapter->cur_cmd = cmdnode;
1004         adapter->cur_cmd_retcode = 0;
1005         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1006         lbs_deb_cmd("DNLD_CMD:: Before download, size of cmd = %d\n",
1007                cmdptr->size);
1008
1009         cmdsize = cmdptr->size;
1010
1011         command = cpu_to_le16(cmdptr->command);
1012
1013         cmdnode->cmdwaitqwoken = 0;
1014         cmdsize = cpu_to_le16(cmdsize);
1015
1016         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1017
1018         if (ret != 0) {
1019                 lbs_deb_cmd("DNLD_CMD: Host to Card failed\n");
1020                 spin_lock_irqsave(&adapter->driver_lock, flags);
1021                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1022                 adapter->cur_cmd = NULL;
1023                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1024                 ret = -1;
1025                 goto done;
1026         }
1027
1028         lbs_deb_cmd("DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
1029         lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
1030
1031         /* Setup the timer after transmit command */
1032         if (command == cmd_802_11_scan
1033             || command == cmd_802_11_authenticate
1034             || command == cmd_802_11_associate)
1035                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1036         else
1037                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1038
1039         ret = 0;
1040
1041 done:
1042         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1043         return ret;
1044 }
1045
1046 static int wlan_cmd_mac_control(wlan_private * priv,
1047                                 struct cmd_ds_command *cmd)
1048 {
1049         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1050
1051         lbs_deb_enter(LBS_DEB_CMD);
1052
1053         cmd->command = cpu_to_le16(cmd_mac_control);
1054         cmd->size =
1055             cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1056         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1057
1058         lbs_deb_cmd("wlan_cmd_mac_control(): action=0x%X size=%d\n",
1059                mac->action, cmd->size);
1060
1061         lbs_deb_leave(LBS_DEB_CMD);
1062         return 0;
1063 }
1064
1065 /**
1066  *  This function inserts command node to cmdfreeq
1067  *  after cleans it. Requires adapter->driver_lock held.
1068  */
1069 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1070 {
1071         wlan_adapter *adapter = priv->adapter;
1072
1073         if (!ptempcmd)
1074                 goto done;
1075
1076         cleanup_cmdnode(ptempcmd);
1077         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1078 done:
1079         return;
1080 }
1081
1082 void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1083 {
1084         unsigned long flags;
1085
1086         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1087         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1088         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1089 }
1090
1091 int libertas_set_radio_control(wlan_private * priv)
1092 {
1093         int ret = 0;
1094
1095         lbs_deb_enter(LBS_DEB_CMD);
1096
1097         ret = libertas_prepare_and_send_command(priv,
1098                                     cmd_802_11_radio_control,
1099                                     cmd_act_set,
1100                                     cmd_option_waitforrsp, 0, NULL);
1101
1102         lbs_deb_cmd("RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
1103                priv->adapter->radioon, priv->adapter->preamble);
1104
1105         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1106         return ret;
1107 }
1108
1109 int libertas_set_mac_packet_filter(wlan_private * priv)
1110 {
1111         int ret = 0;
1112
1113         lbs_deb_enter(LBS_DEB_CMD);
1114
1115         lbs_deb_cmd("libertas_set_mac_packet_filter value = %x\n",
1116                priv->adapter->currentpacketfilter);
1117
1118         /* Send MAC control command to station */
1119         ret = libertas_prepare_and_send_command(priv,
1120                                     cmd_mac_control, 0, 0, 0, NULL);
1121
1122         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1123         return ret;
1124 }
1125
1126 /**
1127  *  @brief This function prepare the command before send to firmware.
1128  *
1129  *  @param priv         A pointer to wlan_private structure
1130  *  @param cmd_no       command number
1131  *  @param cmd_action   command action: GET or SET
1132  *  @param wait_option  wait option: wait response or not
1133  *  @param cmd_oid      cmd oid: treated as sub command
1134  *  @param pdata_buf    A pointer to informaion buffer
1135  *  @return             0 or -1
1136  */
1137 int libertas_prepare_and_send_command(wlan_private * priv,
1138                           u16 cmd_no,
1139                           u16 cmd_action,
1140                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1141 {
1142         int ret = 0;
1143         wlan_adapter *adapter = priv->adapter;
1144         struct cmd_ctrl_node *cmdnode;
1145         struct cmd_ds_command *cmdptr;
1146         unsigned long flags;
1147
1148         lbs_deb_enter(LBS_DEB_CMD);
1149
1150         if (!adapter) {
1151                 lbs_deb_cmd("PREP_CMD: adapter is Null\n");
1152                 ret = -1;
1153                 goto done;
1154         }
1155
1156         if (adapter->surpriseremoved) {
1157                 lbs_deb_cmd("PREP_CMD: Card is Removed\n");
1158                 ret = -1;
1159                 goto done;
1160         }
1161
1162         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1163
1164         if (cmdnode == NULL) {
1165                 lbs_deb_cmd("PREP_CMD: No free cmdnode\n");
1166
1167                 /* Wake up main thread to execute next command */
1168                 wake_up_interruptible(&priv->mainthread.waitq);
1169                 ret = -1;
1170                 goto done;
1171         }
1172
1173         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1174
1175         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1176
1177         lbs_deb_cmd("PREP_CMD: Val of cmd ptr=%p, command=0x%X\n",
1178                cmdptr, cmd_no);
1179
1180         if (!cmdptr) {
1181                 lbs_deb_cmd("PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
1182                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1183                 ret = -1;
1184                 goto done;
1185         }
1186
1187         /* Set sequence number, command and INT option */
1188         adapter->seqnum++;
1189         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1190
1191         cmdptr->command = cmd_no;
1192         cmdptr->result = 0;
1193
1194         switch (cmd_no) {
1195         case cmd_get_hw_spec:
1196                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1197                 break;
1198         case cmd_802_11_ps_mode:
1199                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1200                 break;
1201
1202         case cmd_802_11_scan:
1203                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1204                 break;
1205
1206         case cmd_mac_control:
1207                 ret = wlan_cmd_mac_control(priv, cmdptr);
1208                 break;
1209
1210         case cmd_802_11_associate:
1211         case cmd_802_11_reassociate:
1212                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1213                 break;
1214
1215         case cmd_802_11_deauthenticate:
1216                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1217                 break;
1218
1219         case cmd_802_11_set_wep:
1220                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1221                 break;
1222
1223         case cmd_802_11_ad_hoc_start:
1224                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1225                 break;
1226         case cmd_code_dnld:
1227                 break;
1228
1229         case cmd_802_11_reset:
1230                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1231                 break;
1232
1233         case cmd_802_11_get_log:
1234                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1235                 break;
1236
1237         case cmd_802_11_authenticate:
1238                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1239                 break;
1240
1241         case cmd_802_11_get_stat:
1242                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1243                 break;
1244
1245         case cmd_802_11_snmp_mib:
1246                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1247                                                cmd_action, cmd_oid, pdata_buf);
1248                 break;
1249
1250         case cmd_mac_reg_access:
1251         case cmd_bbp_reg_access:
1252         case cmd_rf_reg_access:
1253                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1254                 break;
1255
1256         case cmd_802_11_rf_channel:
1257                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1258                                                  cmd_action, pdata_buf);
1259                 break;
1260
1261         case cmd_802_11_rf_tx_power:
1262                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1263                                                   cmd_action, pdata_buf);
1264                 break;
1265
1266         case cmd_802_11_radio_control:
1267                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1268                 break;
1269
1270         case cmd_802_11_rf_antenna:
1271                 ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
1272                                                  cmd_action, pdata_buf);
1273                 break;
1274
1275         case cmd_802_11_data_rate:
1276                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1277                 break;
1278         case cmd_802_11_rate_adapt_rateset:
1279                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1280                                                          cmdptr, cmd_action);
1281                 break;
1282
1283         case cmd_mac_multicast_adr:
1284                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1285                 break;
1286
1287         case cmd_802_11_ad_hoc_join:
1288                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1289                 break;
1290
1291         case cmd_802_11_rssi:
1292                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1293                 break;
1294
1295         case cmd_802_11_ad_hoc_stop:
1296                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1297                 break;
1298
1299         case cmd_802_11_enable_rsn:
1300                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
1301                 break;
1302
1303         case cmd_802_11_key_material:
1304                 ret = wlan_cmd_802_11_key_material(priv, cmdptr,
1305                                                    cmd_action, cmd_oid,
1306                                                    pdata_buf);
1307                 break;
1308
1309         case cmd_802_11_pairwise_tsc:
1310                 break;
1311         case cmd_802_11_group_tsc:
1312                 break;
1313
1314         case cmd_802_11_mac_address:
1315                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1316                 break;
1317
1318         case cmd_802_11_eeprom_access:
1319                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1320                                                     cmd_action, pdata_buf);
1321                 break;
1322
1323         case cmd_802_11_set_afc:
1324         case cmd_802_11_get_afc:
1325
1326                 cmdptr->command = cpu_to_le16(cmd_no);
1327                 cmdptr->size =
1328                     cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1329                                      S_DS_GEN);
1330
1331                 memmove(&cmdptr->params.afc,
1332                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1333
1334                 ret = 0;
1335                 goto done;
1336
1337         case cmd_802_11d_domain_info:
1338                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1339                                                    cmd_no, cmd_action);
1340                 break;
1341
1342         case cmd_802_11_sleep_params:
1343                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1344                 break;
1345         case cmd_802_11_inactivity_timeout:
1346                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1347                                                          cmd_action, pdata_buf);
1348                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1349                 break;
1350
1351         case cmd_802_11_tpc_cfg:
1352                 cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
1353                 cmdptr->size =
1354                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1355                                      S_DS_GEN);
1356
1357                 memmove(&cmdptr->params.tpccfg,
1358                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1359
1360                 ret = 0;
1361                 break;
1362         case cmd_802_11_led_gpio_ctrl:
1363                 {
1364                         struct mrvlietypes_ledgpio *gpio =
1365                             (struct mrvlietypes_ledgpio*)
1366                             cmdptr->params.ledgpio.data;
1367
1368                         memmove(&cmdptr->params.ledgpio,
1369                                 pdata_buf,
1370                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1371
1372                         cmdptr->command =
1373                             cpu_to_le16(cmd_802_11_led_gpio_ctrl);
1374
1375 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1376                         cmdptr->size =
1377                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1378                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1379                         gpio->header.len = cpu_to_le16(gpio->header.len);
1380
1381                         ret = 0;
1382                         break;
1383                 }
1384         case cmd_802_11_pwr_cfg:
1385                 cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
1386                 cmdptr->size =
1387                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1388                                      S_DS_GEN);
1389                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1390                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1391
1392                 ret = 0;
1393                 break;
1394         case cmd_bt_access:
1395                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1396                 break;
1397
1398         case cmd_fwt_access:
1399                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1400                 break;
1401
1402         case cmd_mesh_access:
1403                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1404                 break;
1405
1406         case cmd_get_tsf:
1407                 cmdptr->command = cpu_to_le16(cmd_get_tsf);
1408                 cmdptr->size =
1409                     cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
1410                                      + S_DS_GEN);
1411                 ret = 0;
1412                 break;
1413         case cmd_802_11_tx_rate_query:
1414                 cmdptr->command =
1415                     cpu_to_le16(cmd_802_11_tx_rate_query);
1416                 cmdptr->size =
1417                     cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
1418                                      S_DS_GEN);
1419                 adapter->txrate = 0;
1420                 ret = 0;
1421                 break;
1422         default:
1423                 lbs_deb_cmd("PREP_CMD: unknown command- %#x\n", cmd_no);
1424                 ret = -1;
1425                 break;
1426         }
1427
1428         /* return error, since the command preparation failed */
1429         if (ret != 0) {
1430                 lbs_deb_cmd("PREP_CMD: command preparation failed\n");
1431                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1432                 ret = -1;
1433                 goto done;
1434         }
1435
1436         cmdnode->cmdwaitqwoken = 0;
1437
1438         libertas_queue_cmd(adapter, cmdnode, 1);
1439         adapter->nr_cmd_pending++;
1440         wake_up_interruptible(&priv->mainthread.waitq);
1441
1442         if (wait_option & cmd_option_waitforrsp) {
1443                 lbs_deb_cmd("PREP_CMD: Wait for CMD response\n");
1444                 might_sleep();
1445                 wait_event_interruptible(cmdnode->cmdwait_q,
1446                                          cmdnode->cmdwaitqwoken);
1447         }
1448
1449         spin_lock_irqsave(&adapter->driver_lock, flags);
1450         if (adapter->cur_cmd_retcode) {
1451                 lbs_deb_cmd("PREP_CMD: command failed with return code=%d\n",
1452                        adapter->cur_cmd_retcode);
1453                 adapter->cur_cmd_retcode = 0;
1454                 ret = -1;
1455         }
1456         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1457
1458 done:
1459         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1460         return ret;
1461 }
1462 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
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 = priv->hw_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 }