git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "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] = (u8)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] = (u8)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                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1013                 adapter->cur_cmd = NULL;
1014                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1015                 goto done;
1016         }
1017
1018         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1019
1020         /* Setup the timer after transmit command */
1021         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1022             || command == CMD_802_11_ASSOCIATE)
1023                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1024         else
1025                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1026
1027         ret = 0;
1028
1029 done:
1030         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1031         return ret;
1032 }
1033
1034 static int wlan_cmd_mac_control(wlan_private * priv,
1035                                 struct cmd_ds_command *cmd)
1036 {
1037         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1038
1039         lbs_deb_enter(LBS_DEB_CMD);
1040
1041         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1042         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1043         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1044
1045         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1046                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1047
1048         lbs_deb_leave(LBS_DEB_CMD);
1049         return 0;
1050 }
1051
1052 /**
1053  *  This function inserts command node to cmdfreeq
1054  *  after cleans it. Requires adapter->driver_lock held.
1055  */
1056 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1057 {
1058         wlan_adapter *adapter = priv->adapter;
1059
1060         if (!ptempcmd)
1061                 return;
1062
1063         cleanup_cmdnode(ptempcmd);
1064         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1065 }
1066
1067 static void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1068 {
1069         unsigned long flags;
1070
1071         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1072         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1073         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1074 }
1075
1076 int libertas_set_radio_control(wlan_private * priv)
1077 {
1078         int ret = 0;
1079
1080         lbs_deb_enter(LBS_DEB_CMD);
1081
1082         ret = libertas_prepare_and_send_command(priv,
1083                                     CMD_802_11_RADIO_CONTROL,
1084                                     CMD_ACT_SET,
1085                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1086
1087         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1088                priv->adapter->radioon, priv->adapter->preamble);
1089
1090         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1091         return ret;
1092 }
1093
1094 int libertas_set_mac_packet_filter(wlan_private * priv)
1095 {
1096         int ret = 0;
1097
1098         lbs_deb_enter(LBS_DEB_CMD);
1099
1100         /* Send MAC control command to station */
1101         ret = libertas_prepare_and_send_command(priv,
1102                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1103
1104         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1105         return ret;
1106 }
1107
1108 /**
1109  *  @brief This function prepare the command before send to firmware.
1110  *
1111  *  @param priv         A pointer to wlan_private structure
1112  *  @param cmd_no       command number
1113  *  @param cmd_action   command action: GET or SET
1114  *  @param wait_option  wait option: wait response or not
1115  *  @param cmd_oid      cmd oid: treated as sub command
1116  *  @param pdata_buf    A pointer to informaion buffer
1117  *  @return             0 or -1
1118  */
1119 int libertas_prepare_and_send_command(wlan_private * priv,
1120                           u16 cmd_no,
1121                           u16 cmd_action,
1122                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1123 {
1124         int ret = 0;
1125         wlan_adapter *adapter = priv->adapter;
1126         struct cmd_ctrl_node *cmdnode;
1127         struct cmd_ds_command *cmdptr;
1128         unsigned long flags;
1129
1130         lbs_deb_enter(LBS_DEB_HOST);
1131
1132         if (!adapter) {
1133                 lbs_deb_host("PREP_CMD: adapter is NULL\n");
1134                 ret = -1;
1135                 goto done;
1136         }
1137
1138         if (adapter->surpriseremoved) {
1139                 lbs_deb_host("PREP_CMD: card removed\n");
1140                 ret = -1;
1141                 goto done;
1142         }
1143
1144         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1145
1146         if (cmdnode == NULL) {
1147                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1148
1149                 /* Wake up main thread to execute next command */
1150                 wake_up_interruptible(&priv->waitq);
1151                 ret = -1;
1152                 goto done;
1153         }
1154
1155         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1156
1157         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1158
1159         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1160
1161         if (!cmdptr) {
1162                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1163                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1164                 ret = -1;
1165                 goto done;
1166         }
1167
1168         /* Set sequence number, command and INT option */
1169         adapter->seqnum++;
1170         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1171
1172         cmdptr->command = cpu_to_le16(cmd_no);
1173         cmdptr->result = 0;
1174
1175         switch (cmd_no) {
1176         case CMD_GET_HW_SPEC:
1177                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1178                 break;
1179         case CMD_802_11_PS_MODE:
1180                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1181                 break;
1182
1183         case CMD_802_11_SCAN:
1184                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1185                 break;
1186
1187         case CMD_MAC_CONTROL:
1188                 ret = wlan_cmd_mac_control(priv, cmdptr);
1189                 break;
1190
1191         case CMD_802_11_ASSOCIATE:
1192         case CMD_802_11_REASSOCIATE:
1193                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1194                 break;
1195
1196         case CMD_802_11_DEAUTHENTICATE:
1197                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1198                 break;
1199
1200         case CMD_802_11_SET_WEP:
1201                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1202                 break;
1203
1204         case CMD_802_11_AD_HOC_START:
1205                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1206                 break;
1207         case CMD_CODE_DNLD:
1208                 break;
1209
1210         case CMD_802_11_RESET:
1211                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1212                 break;
1213
1214         case CMD_802_11_GET_LOG:
1215                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1216                 break;
1217
1218         case CMD_802_11_AUTHENTICATE:
1219                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1220                 break;
1221
1222         case CMD_802_11_GET_STAT:
1223                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1224                 break;
1225
1226         case CMD_802_11_SNMP_MIB:
1227                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1228                                                cmd_action, cmd_oid, pdata_buf);
1229                 break;
1230
1231         case CMD_MAC_REG_ACCESS:
1232         case CMD_BBP_REG_ACCESS:
1233         case CMD_RF_REG_ACCESS:
1234                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1235                 break;
1236
1237         case CMD_802_11_RF_CHANNEL:
1238                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1239                                                  cmd_action, pdata_buf);
1240                 break;
1241
1242         case CMD_802_11_RF_TX_POWER:
1243                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1244                                                   cmd_action, pdata_buf);
1245                 break;
1246
1247         case CMD_802_11_RADIO_CONTROL:
1248                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1249                 break;
1250
1251         case CMD_802_11_DATA_RATE:
1252                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1253                 break;
1254         case CMD_802_11_RATE_ADAPT_RATESET:
1255                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1256                                                          cmdptr, cmd_action);
1257                 break;
1258
1259         case CMD_MAC_MULTICAST_ADR:
1260                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1261                 break;
1262
1263         case CMD_802_11_MONITOR_MODE:
1264                 ret = wlan_cmd_802_11_monitor_mode(priv, cmdptr,
1265                                           cmd_action, pdata_buf);
1266                 break;
1267
1268         case CMD_802_11_AD_HOC_JOIN:
1269                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1270                 break;
1271
1272         case CMD_802_11_RSSI:
1273                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1274                 break;
1275
1276         case CMD_802_11_AD_HOC_STOP:
1277                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1278                 break;
1279
1280         case CMD_802_11_ENABLE_RSN:
1281                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1282                                 pdata_buf);
1283                 break;
1284
1285         case CMD_802_11_KEY_MATERIAL:
1286                 ret = wlan_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1287                                 cmd_oid, pdata_buf);
1288                 break;
1289
1290         case CMD_802_11_PAIRWISE_TSC:
1291                 break;
1292         case CMD_802_11_GROUP_TSC:
1293                 break;
1294
1295         case CMD_802_11_MAC_ADDRESS:
1296                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1297                 break;
1298
1299         case CMD_802_11_EEPROM_ACCESS:
1300                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1301                                                     cmd_action, pdata_buf);
1302                 break;
1303
1304         case CMD_802_11_SET_AFC:
1305         case CMD_802_11_GET_AFC:
1306
1307                 cmdptr->command = cpu_to_le16(cmd_no);
1308                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1309                                            S_DS_GEN);
1310
1311                 memmove(&cmdptr->params.afc,
1312                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1313
1314                 ret = 0;
1315                 goto done;
1316
1317         case CMD_802_11D_DOMAIN_INFO:
1318                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1319                                                    cmd_no, cmd_action);
1320                 break;
1321
1322         case CMD_802_11_SLEEP_PARAMS:
1323                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1324                 break;
1325         case CMD_802_11_INACTIVITY_TIMEOUT:
1326                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1327                                                          cmd_action, pdata_buf);
1328                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1329                 break;
1330
1331         case CMD_802_11_TPC_CFG:
1332                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1333                 cmdptr->size =
1334                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1335                                      S_DS_GEN);
1336
1337                 memmove(&cmdptr->params.tpccfg,
1338                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1339
1340                 ret = 0;
1341                 break;
1342         case CMD_802_11_LED_GPIO_CTRL:
1343                 {
1344                         struct mrvlietypes_ledgpio *gpio =
1345                             (struct mrvlietypes_ledgpio*)
1346                             cmdptr->params.ledgpio.data;
1347
1348                         memmove(&cmdptr->params.ledgpio,
1349                                 pdata_buf,
1350                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1351
1352                         cmdptr->command =
1353                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1354
1355 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1356                         cmdptr->size =
1357                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1358                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1359                         gpio->header.len = cpu_to_le16(gpio->header.len);
1360
1361                         ret = 0;
1362                         break;
1363                 }
1364         case CMD_802_11_PWR_CFG:
1365                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1366                 cmdptr->size =
1367                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1368                                      S_DS_GEN);
1369                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1370                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1371
1372                 ret = 0;
1373                 break;
1374         case CMD_BT_ACCESS:
1375                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1376                 break;
1377
1378         case CMD_FWT_ACCESS:
1379                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1380                 break;
1381
1382         case CMD_MESH_ACCESS:
1383                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1384                 break;
1385
1386         case CMD_SET_BOOT2_VER:
1387                 ret = wlan_cmd_set_boot2_ver(priv, cmdptr, cmd_action, pdata_buf);
1388                 break;
1389
1390         case CMD_GET_TSF:
1391                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1392                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1393                                            S_DS_GEN);
1394                 ret = 0;
1395                 break;
1396         default:
1397                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1398                 ret = -1;
1399                 break;
1400         }
1401
1402         /* return error, since the command preparation failed */
1403         if (ret != 0) {
1404                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1405                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1406                 ret = -1;
1407                 goto done;
1408         }
1409
1410         cmdnode->cmdwaitqwoken = 0;
1411
1412         libertas_queue_cmd(adapter, cmdnode, 1);
1413         adapter->nr_cmd_pending++;
1414         wake_up_interruptible(&priv->waitq);
1415
1416         if (wait_option & CMD_OPTION_WAITFORRSP) {
1417                 lbs_deb_host("PREP_CMD: wait for response\n");
1418                 might_sleep();
1419                 wait_event_interruptible(cmdnode->cmdwait_q,
1420                                          cmdnode->cmdwaitqwoken);
1421         }
1422
1423         spin_lock_irqsave(&adapter->driver_lock, flags);
1424         if (adapter->cur_cmd_retcode) {
1425                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1426                        adapter->cur_cmd_retcode);
1427                 adapter->cur_cmd_retcode = 0;
1428                 ret = -1;
1429         }
1430         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1431
1432 done:
1433         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1434         return ret;
1435 }
1436 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
1437
1438 /**
1439  *  @brief This function allocates the command buffer and link
1440  *  it to command free queue.
1441  *
1442  *  @param priv         A pointer to wlan_private structure
1443  *  @return             0 or -1
1444  */
1445 int libertas_allocate_cmd_buffer(wlan_private * priv)
1446 {
1447         int ret = 0;
1448         u32 ulbufsize;
1449         u32 i;
1450         struct cmd_ctrl_node *tempcmd_array;
1451         u8 *ptempvirtualaddr;
1452         wlan_adapter *adapter = priv->adapter;
1453
1454         lbs_deb_enter(LBS_DEB_HOST);
1455
1456         /* Allocate and initialize cmdCtrlNode */
1457         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1458
1459         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1460                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1461                 ret = -1;
1462                 goto done;
1463         }
1464         adapter->cmd_array = tempcmd_array;
1465
1466         /* Allocate and initialize command buffers */
1467         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1468         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1469                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1470                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1471                         ret = -1;
1472                         goto done;
1473                 }
1474
1475                 /* Update command buffer virtual */
1476                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1477         }
1478
1479         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1480                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1481                 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1482         }
1483
1484         ret = 0;
1485
1486 done:
1487         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1488         return ret;
1489 }
1490
1491 /**
1492  *  @brief This function frees the command buffer.
1493  *
1494  *  @param priv         A pointer to wlan_private structure
1495  *  @return             0 or -1
1496  */
1497 int libertas_free_cmd_buffer(wlan_private * priv)
1498 {
1499         u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1500         unsigned int i;
1501         struct cmd_ctrl_node *tempcmd_array;
1502         wlan_adapter *adapter = priv->adapter;
1503
1504         lbs_deb_enter(LBS_DEB_HOST);
1505
1506         /* need to check if cmd array is allocated or not */
1507         if (adapter->cmd_array == NULL) {
1508                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1509                 goto done;
1510         }
1511
1512         tempcmd_array = adapter->cmd_array;
1513
1514         /* Release shared memory buffers */
1515         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1516         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1517                 if (tempcmd_array[i].bufvirtualaddr) {
1518                         kfree(tempcmd_array[i].bufvirtualaddr);
1519                         tempcmd_array[i].bufvirtualaddr = NULL;
1520                 }
1521         }
1522
1523         /* Release cmd_ctrl_node */
1524         if (adapter->cmd_array) {
1525                 kfree(adapter->cmd_array);
1526                 adapter->cmd_array = NULL;
1527         }
1528
1529 done:
1530         lbs_deb_leave(LBS_DEB_HOST);
1531         return 0;
1532 }
1533
1534 /**
1535  *  @brief This function gets a free command node if available in
1536  *  command free queue.
1537  *
1538  *  @param priv         A pointer to wlan_private structure
1539  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1540  */
1541 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1542 {
1543         struct cmd_ctrl_node *tempnode;
1544         wlan_adapter *adapter = priv->adapter;
1545         unsigned long flags;
1546
1547         lbs_deb_enter(LBS_DEB_HOST);
1548
1549         if (!adapter)
1550                 return NULL;
1551
1552         spin_lock_irqsave(&adapter->driver_lock, flags);
1553
1554         if (!list_empty(&adapter->cmdfreeq)) {
1555                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1556                 list_del((struct list_head *)tempnode);
1557         } else {
1558                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1559                 tempnode = NULL;
1560         }
1561
1562         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1563
1564         if (tempnode)
1565                 cleanup_cmdnode(tempnode);
1566
1567         lbs_deb_leave(LBS_DEB_HOST);
1568         return tempnode;
1569 }
1570
1571 /**
1572  *  @brief This function cleans command node.
1573  *
1574  *  @param ptempnode    A pointer to cmdCtrlNode structure
1575  *  @return             n/a
1576  */
1577 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1578 {
1579         lbs_deb_enter(LBS_DEB_HOST);
1580
1581         if (!ptempnode)
1582                 return;
1583         ptempnode->cmdwaitqwoken = 1;
1584         wake_up_interruptible(&ptempnode->cmdwait_q);
1585         ptempnode->status = 0;
1586         ptempnode->cmd_oid = (u32) 0;
1587         ptempnode->wait_option = 0;
1588         ptempnode->pdata_buf = NULL;
1589
1590         if (ptempnode->bufvirtualaddr != NULL)
1591                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1592
1593         lbs_deb_leave(LBS_DEB_HOST);
1594 }
1595
1596 /**
1597  *  @brief This function initializes the command node.
1598  *
1599  *  @param priv         A pointer to wlan_private structure
1600  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1601  *  @param cmd_oid      cmd oid: treated as sub command
1602  *  @param wait_option  wait option: wait response or not
1603  *  @param pdata_buf    A pointer to informaion buffer
1604  *  @return             0 or -1
1605  */
1606 void libertas_set_cmd_ctrl_node(wlan_private * priv,
1607                     struct cmd_ctrl_node *ptempnode,
1608                     u32 cmd_oid, u16 wait_option, void *pdata_buf)
1609 {
1610         lbs_deb_enter(LBS_DEB_HOST);
1611
1612         if (!ptempnode)
1613                 return;
1614
1615         ptempnode->cmd_oid = cmd_oid;
1616         ptempnode->wait_option = wait_option;
1617         ptempnode->pdata_buf = pdata_buf;
1618
1619         lbs_deb_leave(LBS_DEB_HOST);
1620 }
1621
1622 /**
1623  *  @brief This function executes next command in command
1624  *  pending queue. It will put fimware back to PS mode
1625  *  if applicable.
1626  *
1627  *  @param priv     A pointer to wlan_private structure
1628  *  @return        0 or -1
1629  */
1630 int libertas_execute_next_command(wlan_private * priv)
1631 {
1632         wlan_adapter *adapter = priv->adapter;
1633         struct cmd_ctrl_node *cmdnode = NULL;
1634         struct cmd_ds_command *cmdptr;
1635         unsigned long flags;
1636         int ret = 0;
1637
1638         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1639         // only caller to us is libertas_thread() and we get even when a
1640         // data packet is received
1641         lbs_deb_enter(LBS_DEB_THREAD);
1642
1643         spin_lock_irqsave(&adapter->driver_lock, flags);
1644
1645         if (adapter->cur_cmd) {
1646                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1647                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1648                 ret = -1;
1649                 goto done;
1650         }
1651
1652         if (!list_empty(&adapter->cmdpendingq)) {
1653                 cmdnode = (struct cmd_ctrl_node *)
1654                     adapter->cmdpendingq.next;
1655         }
1656
1657         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1658
1659         if (cmdnode) {
1660                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1661
1662                 if (is_command_allowed_in_ps(cmdptr->command)) {
1663                         if ((adapter->psstate == PS_STATE_SLEEP) ||
1664                             (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1665                                 lbs_deb_host(
1666                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1667                                        le16_to_cpu(cmdptr->command),
1668                                        adapter->psstate);
1669                                 ret = -1;
1670                                 goto done;
1671                         }
1672                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1673                                "0x%04x in psstate %d\n",
1674                                     le16_to_cpu(cmdptr->command),
1675                                     adapter->psstate);
1676                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1677                         /*
1678                          * 1. Non-PS command:
1679                          * Queue it. set needtowakeup to TRUE if current state
1680                          * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1681                          * 2. PS command but not Exit_PS:
1682                          * Ignore it.
1683                          * 3. PS command Exit_PS:
1684                          * Set needtowakeup to TRUE if current state is SLEEP,
1685                          * otherwise send this command down to firmware
1686                          * immediately.
1687                          */
1688                         if (cmdptr->command !=
1689                             cpu_to_le16(CMD_802_11_PS_MODE)) {
1690                                 /*  Prepare to send Exit PS,
1691                                  *  this non PS command will be sent later */
1692                                 if ((adapter->psstate == PS_STATE_SLEEP)
1693                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1694                                     ) {
1695                                         /* w/ new scheme, it will not reach here.
1696                                            since it is blocked in main_thread. */
1697                                         adapter->needtowakeup = 1;
1698                                 } else
1699                                         libertas_ps_wakeup(priv, 0);
1700
1701                                 ret = 0;
1702                                 goto done;
1703                         } else {
1704                                 /*
1705                                  * PS command. Ignore it if it is not Exit_PS.
1706                                  * otherwise send it down immediately.
1707                                  */
1708                                 struct cmd_ds_802_11_ps_mode *psm =
1709                                     &cmdptr->params.psmode;
1710
1711                                 lbs_deb_host(
1712                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1713                                        psm->action);
1714                                 if (psm->action !=
1715                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1716                                         lbs_deb_host(
1717                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1718                                         list_del((struct list_head *)cmdnode);
1719                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1720
1721                                         ret = 0;
1722                                         goto done;
1723                                 }
1724
1725                                 if ((adapter->psstate == PS_STATE_SLEEP) ||
1726                                     (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1727                                         lbs_deb_host(
1728                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1729                                         list_del((struct list_head *)cmdnode);
1730                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1731                                         adapter->needtowakeup = 1;
1732
1733                                         ret = 0;
1734                                         goto done;
1735                                 }
1736
1737                                 lbs_deb_host(
1738                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1739                         }
1740                 }
1741                 list_del((struct list_head *)cmdnode);
1742                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1743                             le16_to_cpu(cmdptr->command));
1744                 DownloadcommandToStation(priv, cmdnode);
1745         } else {
1746                 /*
1747                  * check if in power save mode, if yes, put the device back
1748                  * to PS mode
1749                  */
1750                 if ((adapter->psmode != WLAN802_11POWERMODECAM) &&
1751                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1752                     (adapter->connect_status == LIBERTAS_CONNECTED)) {
1753                         if (adapter->secinfo.WPAenabled ||
1754                             adapter->secinfo.WPA2enabled) {
1755                                 /* check for valid WPA group keys */
1756                                 if (adapter->wpa_mcast_key.len ||
1757                                     adapter->wpa_unicast_key.len) {
1758                                         lbs_deb_host(
1759                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1760                                                " go back to PS_SLEEP");
1761                                         libertas_ps_sleep(priv, 0);
1762                                 }
1763                         } else {
1764                                 lbs_deb_host(
1765                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1766                                        "go back to PS_SLEEP");
1767                                 libertas_ps_sleep(priv, 0);
1768                         }
1769                 }
1770         }
1771
1772         ret = 0;
1773 done:
1774         lbs_deb_leave(LBS_DEB_THREAD);
1775         return ret;
1776 }
1777
1778 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1779 {
1780         union iwreq_data iwrq;
1781         u8 buf[50];
1782
1783         lbs_deb_enter(LBS_DEB_WEXT);
1784
1785         memset(&iwrq, 0, sizeof(union iwreq_data));
1786         memset(buf, 0, sizeof(buf));
1787
1788         snprintf(buf, sizeof(buf) - 1, "%s", str);
1789
1790         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1791
1792         /* Send Event to upper layer */
1793         lbs_deb_wext("event indication string %s\n", (char *)buf);
1794         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1795         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1796
1797         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1798
1799         lbs_deb_leave(LBS_DEB_WEXT);
1800 }
1801
1802 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1803 {
1804         unsigned long flags;
1805         wlan_adapter *adapter = priv->adapter;
1806         int ret = 0;
1807
1808         lbs_deb_enter(LBS_DEB_HOST);
1809
1810         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1811                size);
1812
1813         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1814
1815         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1816         priv->dnld_sent = DNLD_RES_RECEIVED;
1817
1818         spin_lock_irqsave(&adapter->driver_lock, flags);
1819         if (adapter->intcounter || adapter->currenttxskb)
1820                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1821                        adapter->intcounter, adapter->currenttxskb);
1822         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1823
1824         if (ret) {
1825                 lbs_pr_alert(
1826                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1827         } else {
1828                 spin_lock_irqsave(&adapter->driver_lock, flags);
1829                 if (!adapter->intcounter) {
1830                         adapter->psstate = PS_STATE_SLEEP;
1831                 } else {
1832                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1833                                adapter->intcounter);
1834                 }
1835                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1836
1837                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1838         }
1839
1840         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1841         return ret;
1842 }
1843
1844 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1845 {
1846         lbs_deb_enter(LBS_DEB_HOST);
1847
1848         /*
1849          * PS is currently supported only in Infrastructure mode
1850          * Remove this check if it is to be supported in IBSS mode also
1851          */
1852
1853         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1854                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1855
1856         lbs_deb_leave(LBS_DEB_HOST);
1857 }
1858
1859 /**
1860  *  @brief This function sends Exit_PS command to firmware.
1861  *
1862  *  @param priv         A pointer to wlan_private structure
1863  *  @param wait_option  wait response or not
1864  *  @return             n/a
1865  */
1866 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1867 {
1868         __le32 Localpsmode;
1869
1870         lbs_deb_enter(LBS_DEB_HOST);
1871
1872         Localpsmode = cpu_to_le32(WLAN802_11POWERMODECAM);
1873
1874         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1875                               CMD_SUBCMD_EXIT_PS,
1876                               wait_option, 0, &Localpsmode);
1877
1878         lbs_deb_leave(LBS_DEB_HOST);
1879 }
1880
1881 /**
1882  *  @brief This function checks condition and prepares to
1883  *  send sleep confirm command to firmware if ok.
1884  *
1885  *  @param priv         A pointer to wlan_private structure
1886  *  @param psmode       Power Saving mode
1887  *  @return             n/a
1888  */
1889 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1890 {
1891         unsigned long flags =0;
1892         wlan_adapter *adapter = priv->adapter;
1893         u8 allowed = 1;
1894
1895         lbs_deb_enter(LBS_DEB_HOST);
1896
1897         if (priv->dnld_sent) {
1898                 allowed = 0;
1899                 lbs_deb_host("dnld_sent was set");
1900         }
1901
1902         spin_lock_irqsave(&adapter->driver_lock, flags);
1903         if (adapter->cur_cmd) {
1904                 allowed = 0;
1905                 lbs_deb_host("cur_cmd was set");
1906         }
1907         if (adapter->intcounter > 0) {
1908                 allowed = 0;
1909                 lbs_deb_host("intcounter %d", adapter->intcounter);
1910         }
1911         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1912
1913         if (allowed) {
1914                 lbs_deb_host("sending libertas_ps_confirm_sleep\n");
1915                 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1916                                  sizeof(struct PS_CMD_ConfirmSleep));
1917         } else {
1918                 lbs_deb_host("sleep confirm has been delayed\n");
1919         }
1920
1921         lbs_deb_leave(LBS_DEB_HOST);
1922 }