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 void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
 905 {
 906         unsigned long flags;
 907         struct cmd_ds_command *cmdptr;
 908
 909         lbs_deb_enter(LBS_DEB_HOST);
 910
 911         if (!cmdnode) {
 912                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
 913                 goto done;
 914         }
 915
 916         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 917         if (!cmdptr) {
 918                 lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n");
 919                 goto done;
 920         }
 921
 922         /* Exit_PS command needs to be queued in the header always. */
 923         if (cmdptr->command == CMD_802_11_PS_MODE) {
 924                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
 925                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
 926                         if (adapter->psstate != PS_STATE_FULL_POWER)
 927                                 addtail = 0;
 928                 }
 929         }
 930
 931         spin_lock_irqsave(&adapter->driver_lock, flags);
 932
 933         if (addtail)
 934                 list_add_tail((struct list_head *)cmdnode,
 935                               &adapter->cmdpendingq);
 936         else
 937                 list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
 938
 939         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 940
 941         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
 942                le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
 943
 944 done:
 945         lbs_deb_leave(LBS_DEB_HOST);
 946 }
 947
 948 /*
 949  * TODO: Fix the issue when DownloadcommandToStation is being called the
 950  * second time when the command times out. All the cmdptr->xxx are in little
 951  * endian and therefore all the comparissions will fail.
 952  * For now - we are not performing the endian conversion the second time - but
 953  * for PS and DEEP_SLEEP we need to worry
 954  */
 955 static int DownloadcommandToStation(wlan_private * priv,
 956                                     struct cmd_ctrl_node *cmdnode)
 957 {
 958         unsigned long flags;
 959         struct cmd_ds_command *cmdptr;
 960         wlan_adapter *adapter = priv->adapter;
 961         int ret = 0;
 962         u16 cmdsize;
 963         u16 command;
 964
 965         lbs_deb_enter(LBS_DEB_HOST);
 966
 967         if (!adapter || !cmdnode) {
 968                 lbs_deb_host("DNLD_CMD: adapter or cmdmode is NULL\n");
 969                 if (cmdnode) {
 970                         spin_lock_irqsave(&adapter->driver_lock, flags);
 971                         __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 972                         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 973                 }
 974                 ret = -1;
 975                 goto done;
 976         }
 977
 978         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
 979
 980         spin_lock_irqsave(&adapter->driver_lock, flags);
 981         if (!cmdptr || !cmdptr->size) {
 982                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
 983                 __libertas_cleanup_and_insert_cmd(priv, cmdnode);
 984                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 985                 ret = -1;
 986                 goto done;
 987         }
 988
 989         adapter->cur_cmd = cmdnode;
 990         adapter->cur_cmd_retcode = 0;
 991         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 992
 993         cmdsize = cmdptr->size;
 994         command = cpu_to_le16(cmdptr->command);
 995
 996         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
 997                     command, le16_to_cpu(cmdptr->size), jiffies);
 998         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
 999
1000         cmdnode->cmdwaitqwoken = 0;
1001         cmdsize = cpu_to_le16(cmdsize);
1002
1003         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1004
1005         if (ret != 0) {
1006                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1007                 spin_lock_irqsave(&adapter->driver_lock, flags);
1008                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
1009                 adapter->cur_cmd = NULL;
1010                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1011                 ret = -1;
1012                 goto done;
1013         }
1014
1015         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1016
1017         /* Setup the timer after transmit command */
1018         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1019             || command == CMD_802_11_ASSOCIATE)
1020                 mod_timer(&adapter->command_timer, jiffies + (10*HZ));
1021         else
1022                 mod_timer(&adapter->command_timer, jiffies + (5*HZ));
1023
1024         ret = 0;
1025
1026 done:
1027         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1028         return ret;
1029 }
1030
1031 static int wlan_cmd_mac_control(wlan_private * priv,
1032                                 struct cmd_ds_command *cmd)
1033 {
1034         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1035
1036         lbs_deb_enter(LBS_DEB_CMD);
1037
1038         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1039         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1040         mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
1041
1042         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1043                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1044
1045         lbs_deb_leave(LBS_DEB_CMD);
1046         return 0;
1047 }
1048
1049 /**
1050  *  This function inserts command node to cmdfreeq
1051  *  after cleans it. Requires adapter->driver_lock held.
1052  */
1053 void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1054 {
1055         wlan_adapter *adapter = priv->adapter;
1056
1057         if (!ptempcmd)
1058                 return;
1059
1060         cleanup_cmdnode(ptempcmd);
1061         list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
1062 }
1063
1064 static void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
1065 {
1066         unsigned long flags;
1067
1068         spin_lock_irqsave(&priv->adapter->driver_lock, flags);
1069         __libertas_cleanup_and_insert_cmd(priv, ptempcmd);
1070         spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
1071 }
1072
1073 int libertas_set_radio_control(wlan_private * priv)
1074 {
1075         int ret = 0;
1076
1077         lbs_deb_enter(LBS_DEB_CMD);
1078
1079         ret = libertas_prepare_and_send_command(priv,
1080                                     CMD_802_11_RADIO_CONTROL,
1081                                     CMD_ACT_SET,
1082                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1083
1084         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1085                priv->adapter->radioon, priv->adapter->preamble);
1086
1087         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1088         return ret;
1089 }
1090
1091 int libertas_set_mac_packet_filter(wlan_private * priv)
1092 {
1093         int ret = 0;
1094
1095         lbs_deb_enter(LBS_DEB_CMD);
1096
1097         /* Send MAC control command to station */
1098         ret = libertas_prepare_and_send_command(priv,
1099                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1100
1101         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1102         return ret;
1103 }
1104
1105 /**
1106  *  @brief This function prepare the command before send to firmware.
1107  *
1108  *  @param priv         A pointer to wlan_private structure
1109  *  @param cmd_no       command number
1110  *  @param cmd_action   command action: GET or SET
1111  *  @param wait_option  wait option: wait response or not
1112  *  @param cmd_oid      cmd oid: treated as sub command
1113  *  @param pdata_buf    A pointer to informaion buffer
1114  *  @return             0 or -1
1115  */
1116 int libertas_prepare_and_send_command(wlan_private * priv,
1117                           u16 cmd_no,
1118                           u16 cmd_action,
1119                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1120 {
1121         int ret = 0;
1122         wlan_adapter *adapter = priv->adapter;
1123         struct cmd_ctrl_node *cmdnode;
1124         struct cmd_ds_command *cmdptr;
1125         unsigned long flags;
1126
1127         lbs_deb_enter(LBS_DEB_HOST);
1128
1129         if (!adapter) {
1130                 lbs_deb_host("PREP_CMD: adapter is NULL\n");
1131                 ret = -1;
1132                 goto done;
1133         }
1134
1135         if (adapter->surpriseremoved) {
1136                 lbs_deb_host("PREP_CMD: card removed\n");
1137                 ret = -1;
1138                 goto done;
1139         }
1140
1141         cmdnode = libertas_get_free_cmd_ctrl_node(priv);
1142
1143         if (cmdnode == NULL) {
1144                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1145
1146                 /* Wake up main thread to execute next command */
1147                 wake_up_interruptible(&priv->waitq);
1148                 ret = -1;
1149                 goto done;
1150         }
1151
1152         libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
1153
1154         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1155
1156         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1157
1158         if (!cmdptr) {
1159                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1160                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1161                 ret = -1;
1162                 goto done;
1163         }
1164
1165         /* Set sequence number, command and INT option */
1166         adapter->seqnum++;
1167         cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
1168
1169         cmdptr->command = cpu_to_le16(cmd_no);
1170         cmdptr->result = 0;
1171
1172         switch (cmd_no) {
1173         case CMD_GET_HW_SPEC:
1174                 ret = wlan_cmd_hw_spec(priv, cmdptr);
1175                 break;
1176         case CMD_802_11_PS_MODE:
1177                 ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1178                 break;
1179
1180         case CMD_802_11_SCAN:
1181                 ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
1182                 break;
1183
1184         case CMD_MAC_CONTROL:
1185                 ret = wlan_cmd_mac_control(priv, cmdptr);
1186                 break;
1187
1188         case CMD_802_11_ASSOCIATE:
1189         case CMD_802_11_REASSOCIATE:
1190                 ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
1191                 break;
1192
1193         case CMD_802_11_DEAUTHENTICATE:
1194                 ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
1195                 break;
1196
1197         case CMD_802_11_SET_WEP:
1198                 ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1199                 break;
1200
1201         case CMD_802_11_AD_HOC_START:
1202                 ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1203                 break;
1204         case CMD_CODE_DNLD:
1205                 break;
1206
1207         case CMD_802_11_RESET:
1208                 ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
1209                 break;
1210
1211         case CMD_802_11_GET_LOG:
1212                 ret = wlan_cmd_802_11_get_log(priv, cmdptr);
1213                 break;
1214
1215         case CMD_802_11_AUTHENTICATE:
1216                 ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1217                 break;
1218
1219         case CMD_802_11_GET_STAT:
1220                 ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
1221                 break;
1222
1223         case CMD_802_11_SNMP_MIB:
1224                 ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
1225                                                cmd_action, cmd_oid, pdata_buf);
1226                 break;
1227
1228         case CMD_MAC_REG_ACCESS:
1229         case CMD_BBP_REG_ACCESS:
1230         case CMD_RF_REG_ACCESS:
1231                 ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1232                 break;
1233
1234         case CMD_802_11_RF_CHANNEL:
1235                 ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
1236                                                  cmd_action, pdata_buf);
1237                 break;
1238
1239         case CMD_802_11_RF_TX_POWER:
1240                 ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
1241                                                   cmd_action, pdata_buf);
1242                 break;
1243
1244         case CMD_802_11_RADIO_CONTROL:
1245                 ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1246                 break;
1247
1248         case CMD_802_11_DATA_RATE:
1249                 ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1250                 break;
1251         case CMD_802_11_RATE_ADAPT_RATESET:
1252                 ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
1253                                                          cmdptr, cmd_action);
1254                 break;
1255
1256         case CMD_MAC_MULTICAST_ADR:
1257                 ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1258                 break;
1259
1260         case CMD_802_11_MONITOR_MODE:
1261                 ret = wlan_cmd_802_11_monitor_mode(priv, cmdptr,
1262                                           cmd_action, pdata_buf);
1263                 break;
1264
1265         case CMD_802_11_AD_HOC_JOIN:
1266                 ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1267                 break;
1268
1269         case CMD_802_11_RSSI:
1270                 ret = wlan_cmd_802_11_rssi(priv, cmdptr);
1271                 break;
1272
1273         case CMD_802_11_AD_HOC_STOP:
1274                 ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
1275                 break;
1276
1277         case CMD_802_11_ENABLE_RSN:
1278                 ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1279                                 pdata_buf);
1280                 break;
1281
1282         case CMD_802_11_KEY_MATERIAL:
1283                 ret = wlan_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1284                                 cmd_oid, pdata_buf);
1285                 break;
1286
1287         case CMD_802_11_PAIRWISE_TSC:
1288                 break;
1289         case CMD_802_11_GROUP_TSC:
1290                 break;
1291
1292         case CMD_802_11_MAC_ADDRESS:
1293                 ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1294                 break;
1295
1296         case CMD_802_11_EEPROM_ACCESS:
1297                 ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
1298                                                     cmd_action, pdata_buf);
1299                 break;
1300
1301         case CMD_802_11_SET_AFC:
1302         case CMD_802_11_GET_AFC:
1303
1304                 cmdptr->command = cpu_to_le16(cmd_no);
1305                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1306                                            S_DS_GEN);
1307
1308                 memmove(&cmdptr->params.afc,
1309                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1310
1311                 ret = 0;
1312                 goto done;
1313
1314         case CMD_802_11D_DOMAIN_INFO:
1315                 ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
1316                                                    cmd_no, cmd_action);
1317                 break;
1318
1319         case CMD_802_11_SLEEP_PARAMS:
1320                 ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1321                 break;
1322         case CMD_802_11_INACTIVITY_TIMEOUT:
1323                 ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
1324                                                          cmd_action, pdata_buf);
1325                 libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
1326                 break;
1327
1328         case CMD_802_11_TPC_CFG:
1329                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1330                 cmdptr->size =
1331                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1332                                      S_DS_GEN);
1333
1334                 memmove(&cmdptr->params.tpccfg,
1335                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1336
1337                 ret = 0;
1338                 break;
1339         case CMD_802_11_LED_GPIO_CTRL:
1340                 {
1341                         struct mrvlietypes_ledgpio *gpio =
1342                             (struct mrvlietypes_ledgpio*)
1343                             cmdptr->params.ledgpio.data;
1344
1345                         memmove(&cmdptr->params.ledgpio,
1346                                 pdata_buf,
1347                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1348
1349                         cmdptr->command =
1350                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1351
1352 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1353                         cmdptr->size =
1354                             cpu_to_le16(gpio->header.len + S_DS_GEN +
1355                                              ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1356                         gpio->header.len = cpu_to_le16(gpio->header.len);
1357
1358                         ret = 0;
1359                         break;
1360                 }
1361         case CMD_802_11_PWR_CFG:
1362                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1363                 cmdptr->size =
1364                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1365                                      S_DS_GEN);
1366                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1367                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1368
1369                 ret = 0;
1370                 break;
1371         case CMD_BT_ACCESS:
1372                 ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1373                 break;
1374
1375         case CMD_FWT_ACCESS:
1376                 ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1377                 break;
1378
1379         case CMD_MESH_ACCESS:
1380                 ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1381                 break;
1382
1383         case CMD_GET_TSF:
1384                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1385                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1386                                            S_DS_GEN);
1387                 ret = 0;
1388                 break;
1389         default:
1390                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1391                 ret = -1;
1392                 break;
1393         }
1394
1395         /* return error, since the command preparation failed */
1396         if (ret != 0) {
1397                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1398                 libertas_cleanup_and_insert_cmd(priv, cmdnode);
1399                 ret = -1;
1400                 goto done;
1401         }
1402
1403         cmdnode->cmdwaitqwoken = 0;
1404
1405         libertas_queue_cmd(adapter, cmdnode, 1);
1406         adapter->nr_cmd_pending++;
1407         wake_up_interruptible(&priv->waitq);
1408
1409         if (wait_option & CMD_OPTION_WAITFORRSP) {
1410                 lbs_deb_host("PREP_CMD: wait for response\n");
1411                 might_sleep();
1412                 wait_event_interruptible(cmdnode->cmdwait_q,
1413                                          cmdnode->cmdwaitqwoken);
1414         }
1415
1416         spin_lock_irqsave(&adapter->driver_lock, flags);
1417         if (adapter->cur_cmd_retcode) {
1418                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1419                        adapter->cur_cmd_retcode);
1420                 adapter->cur_cmd_retcode = 0;
1421                 ret = -1;
1422         }
1423         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1424
1425 done:
1426         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1427         return ret;
1428 }
1429 EXPORT_SYMBOL_GPL(libertas_prepare_and_send_command);
1430
1431 /**
1432  *  @brief This function allocates the command buffer and link
1433  *  it to command free queue.
1434  *
1435  *  @param priv         A pointer to wlan_private structure
1436  *  @return             0 or -1
1437  */
1438 int libertas_allocate_cmd_buffer(wlan_private * priv)
1439 {
1440         int ret = 0;
1441         u32 ulbufsize;
1442         u32 i;
1443         struct cmd_ctrl_node *tempcmd_array;
1444         u8 *ptempvirtualaddr;
1445         wlan_adapter *adapter = priv->adapter;
1446
1447         lbs_deb_enter(LBS_DEB_HOST);
1448
1449         /* Allocate and initialize cmdCtrlNode */
1450         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1451
1452         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1453                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1454                 ret = -1;
1455                 goto done;
1456         }
1457         adapter->cmd_array = tempcmd_array;
1458
1459         /* Allocate and initialize command buffers */
1460         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1461         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1462                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1463                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1464                         ret = -1;
1465                         goto done;
1466                 }
1467
1468                 /* Update command buffer virtual */
1469                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1470         }
1471
1472         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1473                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1474                 libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1475         }
1476
1477         ret = 0;
1478
1479 done:
1480         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1481         return ret;
1482 }
1483
1484 /**
1485  *  @brief This function frees the command buffer.
1486  *
1487  *  @param priv         A pointer to wlan_private structure
1488  *  @return             0 or -1
1489  */
1490 int libertas_free_cmd_buffer(wlan_private * priv)
1491 {
1492         u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1493         unsigned int i;
1494         struct cmd_ctrl_node *tempcmd_array;
1495         wlan_adapter *adapter = priv->adapter;
1496
1497         lbs_deb_enter(LBS_DEB_HOST);
1498
1499         /* need to check if cmd array is allocated or not */
1500         if (adapter->cmd_array == NULL) {
1501                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1502                 goto done;
1503         }
1504
1505         tempcmd_array = adapter->cmd_array;
1506
1507         /* Release shared memory buffers */
1508         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1509         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1510                 if (tempcmd_array[i].bufvirtualaddr) {
1511                         kfree(tempcmd_array[i].bufvirtualaddr);
1512                         tempcmd_array[i].bufvirtualaddr = NULL;
1513                 }
1514         }
1515
1516         /* Release cmd_ctrl_node */
1517         if (adapter->cmd_array) {
1518                 kfree(adapter->cmd_array);
1519                 adapter->cmd_array = NULL;
1520         }
1521
1522 done:
1523         lbs_deb_leave(LBS_DEB_HOST);
1524         return 0;
1525 }
1526
1527 /**
1528  *  @brief This function gets a free command node if available in
1529  *  command free queue.
1530  *
1531  *  @param priv         A pointer to wlan_private structure
1532  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1533  */
1534 struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
1535 {
1536         struct cmd_ctrl_node *tempnode;
1537         wlan_adapter *adapter = priv->adapter;
1538         unsigned long flags;
1539
1540         lbs_deb_enter(LBS_DEB_HOST);
1541
1542         if (!adapter)
1543                 return NULL;
1544
1545         spin_lock_irqsave(&adapter->driver_lock, flags);
1546
1547         if (!list_empty(&adapter->cmdfreeq)) {
1548                 tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
1549                 list_del((struct list_head *)tempnode);
1550         } else {
1551                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1552                 tempnode = NULL;
1553         }
1554
1555         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1556
1557         if (tempnode)
1558                 cleanup_cmdnode(tempnode);
1559
1560         lbs_deb_leave(LBS_DEB_HOST);
1561         return tempnode;
1562 }
1563
1564 /**
1565  *  @brief This function cleans command node.
1566  *
1567  *  @param ptempnode    A pointer to cmdCtrlNode structure
1568  *  @return             n/a
1569  */
1570 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1571 {
1572         lbs_deb_enter(LBS_DEB_HOST);
1573
1574         if (!ptempnode)
1575                 return;
1576         ptempnode->cmdwaitqwoken = 1;
1577         wake_up_interruptible(&ptempnode->cmdwait_q);
1578         ptempnode->status = 0;
1579         ptempnode->cmd_oid = (u32) 0;
1580         ptempnode->wait_option = 0;
1581         ptempnode->pdata_buf = NULL;
1582
1583         if (ptempnode->bufvirtualaddr != NULL)
1584                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1585
1586         lbs_deb_leave(LBS_DEB_HOST);
1587 }
1588
1589 /**
1590  *  @brief This function initializes the command node.
1591  *
1592  *  @param priv         A pointer to wlan_private structure
1593  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1594  *  @param cmd_oid      cmd oid: treated as sub command
1595  *  @param wait_option  wait option: wait response or not
1596  *  @param pdata_buf    A pointer to informaion buffer
1597  *  @return             0 or -1
1598  */
1599 void libertas_set_cmd_ctrl_node(wlan_private * priv,
1600                     struct cmd_ctrl_node *ptempnode,
1601                     u32 cmd_oid, u16 wait_option, void *pdata_buf)
1602 {
1603         lbs_deb_enter(LBS_DEB_HOST);
1604
1605         if (!ptempnode)
1606                 return;
1607
1608         ptempnode->cmd_oid = cmd_oid;
1609         ptempnode->wait_option = wait_option;
1610         ptempnode->pdata_buf = pdata_buf;
1611
1612         lbs_deb_leave(LBS_DEB_HOST);
1613 }
1614
1615 /**
1616  *  @brief This function executes next command in command
1617  *  pending queue. It will put fimware back to PS mode
1618  *  if applicable.
1619  *
1620  *  @param priv     A pointer to wlan_private structure
1621  *  @return        0 or -1
1622  */
1623 int libertas_execute_next_command(wlan_private * priv)
1624 {
1625         wlan_adapter *adapter = priv->adapter;
1626         struct cmd_ctrl_node *cmdnode = NULL;
1627         struct cmd_ds_command *cmdptr;
1628         unsigned long flags;
1629         int ret = 0;
1630
1631         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1632         // only caller to us is libertas_thread() and we get even when a
1633         // data packet is received
1634         lbs_deb_enter(LBS_DEB_THREAD);
1635
1636         spin_lock_irqsave(&adapter->driver_lock, flags);
1637
1638         if (adapter->cur_cmd) {
1639                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1640                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1641                 ret = -1;
1642                 goto done;
1643         }
1644
1645         if (!list_empty(&adapter->cmdpendingq)) {
1646                 cmdnode = (struct cmd_ctrl_node *)
1647                     adapter->cmdpendingq.next;
1648         }
1649
1650         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1651
1652         if (cmdnode) {
1653                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1654
1655                 if (is_command_allowed_in_ps(cmdptr->command)) {
1656                         if ((adapter->psstate == PS_STATE_SLEEP) ||
1657                             (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1658                                 lbs_deb_host(
1659                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1660                                        le16_to_cpu(cmdptr->command),
1661                                        adapter->psstate);
1662                                 ret = -1;
1663                                 goto done;
1664                         }
1665                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1666                                "0x%04x in psstate %d\n",
1667                                     le16_to_cpu(cmdptr->command),
1668                                     adapter->psstate);
1669                 } else if (adapter->psstate != PS_STATE_FULL_POWER) {
1670                         /*
1671                          * 1. Non-PS command:
1672                          * Queue it. set needtowakeup to TRUE if current state
1673                          * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
1674                          * 2. PS command but not Exit_PS:
1675                          * Ignore it.
1676                          * 3. PS command Exit_PS:
1677                          * Set needtowakeup to TRUE if current state is SLEEP,
1678                          * otherwise send this command down to firmware
1679                          * immediately.
1680                          */
1681                         if (cmdptr->command !=
1682                             cpu_to_le16(CMD_802_11_PS_MODE)) {
1683                                 /*  Prepare to send Exit PS,
1684                                  *  this non PS command will be sent later */
1685                                 if ((adapter->psstate == PS_STATE_SLEEP)
1686                                     || (adapter->psstate == PS_STATE_PRE_SLEEP)
1687                                     ) {
1688                                         /* w/ new scheme, it will not reach here.
1689                                            since it is blocked in main_thread. */
1690                                         adapter->needtowakeup = 1;
1691                                 } else
1692                                         libertas_ps_wakeup(priv, 0);
1693
1694                                 ret = 0;
1695                                 goto done;
1696                         } else {
1697                                 /*
1698                                  * PS command. Ignore it if it is not Exit_PS.
1699                                  * otherwise send it down immediately.
1700                                  */
1701                                 struct cmd_ds_802_11_ps_mode *psm =
1702                                     &cmdptr->params.psmode;
1703
1704                                 lbs_deb_host(
1705                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1706                                        psm->action);
1707                                 if (psm->action !=
1708                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1709                                         lbs_deb_host(
1710                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1711                                         list_del((struct list_head *)cmdnode);
1712                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1713
1714                                         ret = 0;
1715                                         goto done;
1716                                 }
1717
1718                                 if ((adapter->psstate == PS_STATE_SLEEP) ||
1719                                     (adapter->psstate == PS_STATE_PRE_SLEEP)) {
1720                                         lbs_deb_host(
1721                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1722                                         list_del((struct list_head *)cmdnode);
1723                                         libertas_cleanup_and_insert_cmd(priv, cmdnode);
1724                                         adapter->needtowakeup = 1;
1725
1726                                         ret = 0;
1727                                         goto done;
1728                                 }
1729
1730                                 lbs_deb_host(
1731                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1732                         }
1733                 }
1734                 list_del((struct list_head *)cmdnode);
1735                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1736                             le16_to_cpu(cmdptr->command));
1737                 DownloadcommandToStation(priv, cmdnode);
1738         } else {
1739                 /*
1740                  * check if in power save mode, if yes, put the device back
1741                  * to PS mode
1742                  */
1743                 if ((adapter->psmode != WLAN802_11POWERMODECAM) &&
1744                     (adapter->psstate == PS_STATE_FULL_POWER) &&
1745                     (adapter->connect_status == LIBERTAS_CONNECTED)) {
1746                         if (adapter->secinfo.WPAenabled ||
1747                             adapter->secinfo.WPA2enabled) {
1748                                 /* check for valid WPA group keys */
1749                                 if (adapter->wpa_mcast_key.len ||
1750                                     adapter->wpa_unicast_key.len) {
1751                                         lbs_deb_host(
1752                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1753                                                " go back to PS_SLEEP");
1754                                         libertas_ps_sleep(priv, 0);
1755                                 }
1756                         } else {
1757                                 lbs_deb_host(
1758                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1759                                        "go back to PS_SLEEP");
1760                                 libertas_ps_sleep(priv, 0);
1761                         }
1762                 }
1763         }
1764
1765         ret = 0;
1766 done:
1767         lbs_deb_leave(LBS_DEB_THREAD);
1768         return ret;
1769 }
1770
1771 void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
1772 {
1773         union iwreq_data iwrq;
1774         u8 buf[50];
1775
1776         lbs_deb_enter(LBS_DEB_WEXT);
1777
1778         memset(&iwrq, 0, sizeof(union iwreq_data));
1779         memset(buf, 0, sizeof(buf));
1780
1781         snprintf(buf, sizeof(buf) - 1, "%s", str);
1782
1783         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1784
1785         /* Send Event to upper layer */
1786         lbs_deb_wext("event indication string %s\n", (char *)buf);
1787         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1788         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1789
1790         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1791
1792         lbs_deb_leave(LBS_DEB_WEXT);
1793 }
1794
1795 static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
1796 {
1797         unsigned long flags;
1798         wlan_adapter *adapter = priv->adapter;
1799         int ret = 0;
1800
1801         lbs_deb_enter(LBS_DEB_HOST);
1802
1803         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1804                size);
1805
1806         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1807
1808         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1809         priv->dnld_sent = DNLD_RES_RECEIVED;
1810
1811         spin_lock_irqsave(&adapter->driver_lock, flags);
1812         if (adapter->intcounter || adapter->currenttxskb)
1813                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1814                        adapter->intcounter, adapter->currenttxskb);
1815         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1816
1817         if (ret) {
1818                 lbs_pr_alert(
1819                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1820         } else {
1821                 spin_lock_irqsave(&adapter->driver_lock, flags);
1822                 if (!adapter->intcounter) {
1823                         adapter->psstate = PS_STATE_SLEEP;
1824                 } else {
1825                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1826                                adapter->intcounter);
1827                 }
1828                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
1829
1830                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1831         }
1832
1833         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1834         return ret;
1835 }
1836
1837 void libertas_ps_sleep(wlan_private * priv, int wait_option)
1838 {
1839         lbs_deb_enter(LBS_DEB_HOST);
1840
1841         /*
1842          * PS is currently supported only in Infrastructure mode
1843          * Remove this check if it is to be supported in IBSS mode also
1844          */
1845
1846         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1847                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1848
1849         lbs_deb_leave(LBS_DEB_HOST);
1850 }
1851
1852 /**
1853  *  @brief This function sends Exit_PS command to firmware.
1854  *
1855  *  @param priv         A pointer to wlan_private structure
1856  *  @param wait_option  wait response or not
1857  *  @return             n/a
1858  */
1859 void libertas_ps_wakeup(wlan_private * priv, int wait_option)
1860 {
1861         __le32 Localpsmode;
1862
1863         lbs_deb_enter(LBS_DEB_HOST);
1864
1865         Localpsmode = cpu_to_le32(WLAN802_11POWERMODECAM);
1866
1867         libertas_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1868                               CMD_SUBCMD_EXIT_PS,
1869                               wait_option, 0, &Localpsmode);
1870
1871         lbs_deb_leave(LBS_DEB_HOST);
1872 }
1873
1874 /**
1875  *  @brief This function checks condition and prepares to
1876  *  send sleep confirm command to firmware if ok.
1877  *
1878  *  @param priv         A pointer to wlan_private structure
1879  *  @param psmode       Power Saving mode
1880  *  @return             n/a
1881  */
1882 void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
1883 {
1884         unsigned long flags =0;
1885         wlan_adapter *adapter = priv->adapter;
1886         u8 allowed = 1;
1887
1888         lbs_deb_enter(LBS_DEB_HOST);
1889
1890         if (priv->dnld_sent) {
1891                 allowed = 0;
1892                 lbs_deb_host("dnld_sent was set");
1893         }
1894
1895         spin_lock_irqsave(&adapter->driver_lock, flags);
1896         if (adapter->cur_cmd) {
1897                 allowed = 0;
1898                 lbs_deb_host("cur_cmd was set");
1899         }
1900         if (adapter->intcounter > 0) {
1901                 allowed = 0;
1902                 lbs_deb_host("intcounter %d", adapter->intcounter);
1903         }
1904         spin_unlock_irqrestore(&adapter->driver_lock, flags);
1905
1906         if (allowed) {
1907                 lbs_deb_host("sending libertas_ps_confirm_sleep\n");
1908                 sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
1909                                  sizeof(struct PS_CMD_ConfirmSleep));
1910         } else {
1911                 lbs_deb_host("sleep confirm has been delayed\n");
1912         }
1913
1914         lbs_deb_leave(LBS_DEB_HOST);
1915 }