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 #include "cmd.h"
  15
  16 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  17 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  18 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  19                     struct cmd_ctrl_node *ptempnode,
  20                     u16 wait_option, void *pdata_buf);
  21
  22
  23 /**
  24  *  @brief Checks whether a command is allowed in Power Save mode
  25  *
  26  *  @param command the command ID
  27  *  @return        1 if allowed, 0 if not allowed
  28  */
  29 static u8 is_command_allowed_in_ps(u16 cmd)
  30 {
  31         switch (cmd) {
  32         case CMD_802_11_RSSI:
  33                 return 1;
  34         default:
  35                 break;
  36         }
  37         return 0;
  38 }
  39
  40 /**
  41  *  @brief Updates the hardware details like MAC address and regulatory region
  42  *
  43  *  @param priv         A pointer to struct lbs_private structure
  44  *
  45  *  @return             0 on success, error on failure
  46  */
  47 int lbs_update_hw_spec(struct lbs_private *priv)
  48 {
  49         struct cmd_ds_get_hw_spec cmd;
  50         int ret = -1;
  51         u32 i;
  52         DECLARE_MAC_BUF(mac);
  53
  54         lbs_deb_enter(LBS_DEB_CMD);
  55
  56         memset(&cmd, 0, sizeof(cmd));
  57         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  58         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  59         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
  60         if (ret)
  61                 goto out;
  62
  63         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  64         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  65
  66         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  67                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  68                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  69         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  70                     print_mac(mac, cmd.permanentaddr));
  71         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  72                     cmd.hwifversion, cmd.version);
  73
  74         /* Clamp region code to 8-bit since FW spec indicates that it should
  75          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  76          * returns non-zero high 8 bits here.
  77          */
  78         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  79
  80         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  81                 /* use the region code to search for the index */
  82                 if (priv->regioncode == lbs_region_code_to_index[i])
  83                         break;
  84         }
  85
  86         /* if it's unidentified region code, use the default (USA) */
  87         if (i >= MRVDRV_MAX_REGION_CODE) {
  88                 priv->regioncode = 0x10;
  89                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  90         }
  91
  92         if (priv->current_addr[0] == 0xff)
  93                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  94
  95         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  96         if (priv->mesh_dev)
  97                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  98
  99         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 100                 ret = -1;
 101                 goto out;
 102         }
 103
 104         if (lbs_set_universaltable(priv, 0)) {
 105                 ret = -1;
 106                 goto out;
 107         }
 108
 109 out:
 110         lbs_deb_leave(LBS_DEB_CMD);
 111         return ret;
 112 }
 113
 114 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 115                                    struct cmd_ds_command *cmd,
 116                                    u16 cmd_action)
 117 {
 118         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 119
 120         lbs_deb_enter(LBS_DEB_CMD);
 121
 122         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 123         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 124                                 S_DS_GEN);
 125         psm->action = cpu_to_le16(cmd_action);
 126         psm->multipledtim = 0;
 127         switch (cmd_action) {
 128         case CMD_SUBCMD_ENTER_PS:
 129                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 130
 131                 psm->locallisteninterval = 0;
 132                 psm->nullpktinterval = 0;
 133                 psm->multipledtim =
 134                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 135                 break;
 136
 137         case CMD_SUBCMD_EXIT_PS:
 138                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 139                 break;
 140
 141         case CMD_SUBCMD_SLEEP_CONFIRMED:
 142                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 143                 break;
 144
 145         default:
 146                 break;
 147         }
 148
 149         lbs_deb_leave(LBS_DEB_CMD);
 150         return 0;
 151 }
 152
 153 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 154                                               struct cmd_ds_command *cmd,
 155                                               u16 cmd_action, void *pdata_buf)
 156 {
 157         u16 *timeout = pdata_buf;
 158
 159         lbs_deb_enter(LBS_DEB_CMD);
 160
 161         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 162         cmd->size =
 163             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 164                              + S_DS_GEN);
 165
 166         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 167
 168         if (cmd_action)
 169                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 170         else
 171                 cmd->params.inactivity_timeout.timeout = 0;
 172
 173         lbs_deb_leave(LBS_DEB_CMD);
 174         return 0;
 175 }
 176
 177 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 178                                         struct cmd_ds_command *cmd,
 179                                         u16 cmd_action)
 180 {
 181         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 182
 183         lbs_deb_enter(LBS_DEB_CMD);
 184
 185         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 186                                 S_DS_GEN);
 187         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 188
 189         if (cmd_action == CMD_ACT_GET) {
 190                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 191                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 192                 sp->action = cpu_to_le16(cmd_action);
 193         } else if (cmd_action == CMD_ACT_SET) {
 194                 sp->action = cpu_to_le16(cmd_action);
 195                 sp->error = cpu_to_le16(priv->sp.sp_error);
 196                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 197                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 198                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 199                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 200                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 201         }
 202
 203         lbs_deb_leave(LBS_DEB_CMD);
 204         return 0;
 205 }
 206
 207 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 208                                    struct cmd_ds_command *cmd,
 209                                    u32 cmd_act,
 210                                    void * pdata_buf)
 211 {
 212         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 213         int ret = 0;
 214         struct assoc_request * assoc_req = pdata_buf;
 215
 216         lbs_deb_enter(LBS_DEB_CMD);
 217
 218         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 219         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 220
 221         if (cmd_act == CMD_ACT_ADD) {
 222                 int i;
 223
 224                 if (!assoc_req) {
 225                         lbs_deb_cmd("Invalid association request!");
 226                         ret = -1;
 227                         goto done;
 228                 }
 229
 230                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 231
 232                 /* default tx key index */
 233                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 234                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 235
 236                 /* Copy key types and material to host command structure */
 237                 for (i = 0; i < 4; i++) {
 238                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 239
 240                         switch (pkey->len) {
 241                         case KEY_LEN_WEP_40:
 242                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 243                                 memmove(&wep->keymaterial[i], pkey->key,
 244                                         pkey->len);
 245                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 246                                 break;
 247                         case KEY_LEN_WEP_104:
 248                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 249                                 memmove(&wep->keymaterial[i], pkey->key,
 250                                         pkey->len);
 251                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 252                                 break;
 253                         case 0:
 254                                 break;
 255                         default:
 256                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 257                                        i, pkey->len);
 258                                 ret = -1;
 259                                 goto done;
 260                                 break;
 261                         }
 262                 }
 263         } else if (cmd_act == CMD_ACT_REMOVE) {
 264                 /* ACT_REMOVE clears _all_ WEP keys */
 265                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 266
 267                 /* default tx key index */
 268                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 269                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 270                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 271         }
 272
 273         ret = 0;
 274
 275 done:
 276         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 277         return ret;
 278 }
 279
 280 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 281                                       struct cmd_ds_command *cmd,
 282                                       u16 cmd_action,
 283                                       void * pdata_buf)
 284 {
 285         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 286         u32 * enable = pdata_buf;
 287
 288         lbs_deb_enter(LBS_DEB_CMD);
 289
 290         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 291         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 292         penableRSN->action = cpu_to_le16(cmd_action);
 293
 294         if (cmd_action == CMD_ACT_SET) {
 295                 if (*enable)
 296                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 297                 else
 298                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 299                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 300         }
 301
 302         lbs_deb_leave(LBS_DEB_CMD);
 303         return 0;
 304 }
 305
 306
 307 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 308 {
 309         ssize_t pos = 0;
 310         struct mrvlietypesheader *tlv_h;
 311         while (pos < size) {
 312                 u16 length;
 313                 tlv_h = (struct mrvlietypesheader *) tlv;
 314                 if (tlv_h->len == 0)
 315                         return pos;
 316                 length = le16_to_cpu(tlv_h->len) +
 317                         sizeof(struct mrvlietypesheader);
 318                 pos += length;
 319                 tlv += length;
 320         }
 321         return pos;
 322 }
 323
 324
 325 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 326         struct cmd_ds_command *cmd, u16 cmd_action,
 327         void *pdata_buf)
 328 {
 329         struct cmd_ds_802_11_subscribe_event *events =
 330                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 331
 332         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 333          * for various Marvell TLVs */
 334
 335         lbs_deb_enter(LBS_DEB_CMD);
 336
 337         cmd->size = cpu_to_le16(sizeof(*events)
 338                         - sizeof(events->tlv)
 339                         + S_DS_GEN);
 340         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 341         if (cmd_action == CMD_ACT_GET) {
 342                 cmd->params.subscribe_event.events = 0;
 343         } else {
 344                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 345                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 346                 cmd->params.subscribe_event.events = events->events;
 347                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 348         }
 349
 350         lbs_deb_leave(LBS_DEB_CMD);
 351 }
 352
 353 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 354                             struct enc_key * pkey)
 355 {
 356         lbs_deb_enter(LBS_DEB_CMD);
 357
 358         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 359                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 360         }
 361         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 362                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 363         }
 364         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 365                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 366         }
 367
 368         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 369         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 370         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 371         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 372         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 373                                                 + sizeof(pkeyparamset->keyinfo)
 374                                                 + sizeof(pkeyparamset->keylen)
 375                                                 + sizeof(pkeyparamset->key));
 376         lbs_deb_leave(LBS_DEB_CMD);
 377 }
 378
 379 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 380                                         struct cmd_ds_command *cmd,
 381                                         u16 cmd_action,
 382                                         u32 cmd_oid, void *pdata_buf)
 383 {
 384         struct cmd_ds_802_11_key_material *pkeymaterial =
 385             &cmd->params.keymaterial;
 386         struct assoc_request * assoc_req = pdata_buf;
 387         int ret = 0;
 388         int index = 0;
 389
 390         lbs_deb_enter(LBS_DEB_CMD);
 391
 392         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 393         pkeymaterial->action = cpu_to_le16(cmd_action);
 394
 395         if (cmd_action == CMD_ACT_GET) {
 396                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 397                 ret = 0;
 398                 goto done;
 399         }
 400
 401         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 402
 403         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 404                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 405                                 &assoc_req->wpa_unicast_key);
 406                 index++;
 407         }
 408
 409         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 410                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 411                                 &assoc_req->wpa_mcast_key);
 412                 index++;
 413         }
 414
 415         cmd->size = cpu_to_le16(  S_DS_GEN
 416                                 + sizeof (pkeymaterial->action)
 417                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 418
 419         ret = 0;
 420
 421 done:
 422         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 423         return ret;
 424 }
 425
 426 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 427                                  struct cmd_ds_command *cmd, int cmd_action)
 428 {
 429         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 430
 431         lbs_deb_enter(LBS_DEB_CMD);
 432
 433         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 434         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 435         reset->action = cpu_to_le16(cmd_action);
 436
 437         lbs_deb_leave(LBS_DEB_CMD);
 438         return 0;
 439 }
 440
 441 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 442                                    struct cmd_ds_command *cmd)
 443 {
 444         lbs_deb_enter(LBS_DEB_CMD);
 445         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 446         cmd->size =
 447                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 448
 449         lbs_deb_leave(LBS_DEB_CMD);
 450         return 0;
 451 }
 452
 453 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 454                                     struct cmd_ds_command *cmd)
 455 {
 456         lbs_deb_enter(LBS_DEB_CMD);
 457         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 458         cmd->size =
 459             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 460
 461         lbs_deb_leave(LBS_DEB_CMD);
 462         return 0;
 463 }
 464
 465 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 466                                     struct cmd_ds_command *cmd,
 467                                     int cmd_action,
 468                                     int cmd_oid, void *pdata_buf)
 469 {
 470         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 471         u8 ucTemp;
 472
 473         lbs_deb_enter(LBS_DEB_CMD);
 474
 475         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 476
 477         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 478         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 479
 480         switch (cmd_oid) {
 481         case OID_802_11_INFRASTRUCTURE_MODE:
 482         {
 483                 u8 mode = (u8) (size_t) pdata_buf;
 484                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 485                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 486                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 487                 if (mode == IW_MODE_ADHOC) {
 488                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 489                 } else {
 490                         /* Infra and Auto modes */
 491                         ucTemp = SNMP_MIB_VALUE_INFRA;
 492                 }
 493
 494                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 495
 496                 break;
 497         }
 498
 499         case OID_802_11D_ENABLE:
 500                 {
 501                         u32 ulTemp;
 502
 503                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 504
 505                         if (cmd_action == CMD_ACT_SET) {
 506                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 507                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 508                                 ulTemp = *(u32 *)pdata_buf;
 509                                 *((__le16 *)(pSNMPMIB->value)) =
 510                                     cpu_to_le16((u16) ulTemp);
 511                         }
 512                         break;
 513                 }
 514
 515         case OID_802_11_FRAGMENTATION_THRESHOLD:
 516                 {
 517                         u32 ulTemp;
 518
 519                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 520
 521                         if (cmd_action == CMD_ACT_GET) {
 522                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 523                         } else if (cmd_action == CMD_ACT_SET) {
 524                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 525                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 526                                 ulTemp = *((u32 *) pdata_buf);
 527                                 *((__le16 *)(pSNMPMIB->value)) =
 528                                     cpu_to_le16((u16) ulTemp);
 529
 530                         }
 531
 532                         break;
 533                 }
 534
 535         case OID_802_11_RTS_THRESHOLD:
 536                 {
 537
 538                         u32 ulTemp;
 539                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 540
 541                         if (cmd_action == CMD_ACT_GET) {
 542                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 543                         } else if (cmd_action == CMD_ACT_SET) {
 544                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 545                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 546                                 ulTemp = *((u32 *)pdata_buf);
 547                                 *(__le16 *)(pSNMPMIB->value) =
 548                                     cpu_to_le16((u16) ulTemp);
 549
 550                         }
 551                         break;
 552                 }
 553         case OID_802_11_TX_RETRYCOUNT:
 554                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 555
 556                 if (cmd_action == CMD_ACT_GET) {
 557                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 558                 } else if (cmd_action == CMD_ACT_SET) {
 559                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 560                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 561                         *((__le16 *)(pSNMPMIB->value)) =
 562                             cpu_to_le16((u16) priv->txretrycount);
 563                 }
 564
 565                 break;
 566         default:
 567                 break;
 568         }
 569
 570         lbs_deb_cmd(
 571                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 572                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 573                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 574
 575         lbs_deb_cmd(
 576                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 577                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 578                le16_to_cpu(pSNMPMIB->bufsize),
 579                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 580
 581         lbs_deb_leave(LBS_DEB_CMD);
 582         return 0;
 583 }
 584
 585 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
 586                                          struct cmd_ds_command *cmd,
 587                                          int cmd_action)
 588 {
 589         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 590
 591         lbs_deb_enter(LBS_DEB_CMD);
 592
 593         cmd->size =
 594             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 595                              S_DS_GEN);
 596         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 597
 598         pradiocontrol->action = cpu_to_le16(cmd_action);
 599
 600         switch (priv->preamble) {
 601         case CMD_TYPE_SHORT_PREAMBLE:
 602                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 603                 break;
 604
 605         case CMD_TYPE_LONG_PREAMBLE:
 606                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 607                 break;
 608
 609         case CMD_TYPE_AUTO_PREAMBLE:
 610         default:
 611                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 612                 break;
 613         }
 614
 615         if (priv->radioon)
 616                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 617         else
 618                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 619
 620         lbs_deb_leave(LBS_DEB_CMD);
 621         return 0;
 622 }
 623
 624 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 625                                        struct cmd_ds_command *cmd,
 626                                        u16 cmd_action, void *pdata_buf)
 627 {
 628
 629         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 630
 631         lbs_deb_enter(LBS_DEB_CMD);
 632
 633         cmd->size =
 634             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 635         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 636         prtp->action = cpu_to_le16(cmd_action);
 637
 638         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 639                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 640                     le16_to_cpu(prtp->action));
 641
 642         switch (cmd_action) {
 643         case CMD_ACT_TX_POWER_OPT_GET:
 644                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 645                 prtp->currentlevel = 0;
 646                 break;
 647
 648         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 649                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 650                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 651                 break;
 652
 653         case CMD_ACT_TX_POWER_OPT_SET_MID:
 654                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 655                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 656                 break;
 657
 658         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 659                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 660                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 661                 break;
 662         }
 663
 664         lbs_deb_leave(LBS_DEB_CMD);
 665         return 0;
 666 }
 667
 668 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 669                                       struct cmd_ds_command *cmd,
 670                                       u16 cmd_action, void *pdata_buf)
 671 {
 672         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 673
 674         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 675         cmd->size =
 676             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 677                              S_DS_GEN);
 678
 679         monitor->action = cpu_to_le16(cmd_action);
 680         if (cmd_action == CMD_ACT_SET) {
 681                 monitor->mode =
 682                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 683         }
 684
 685         return 0;
 686 }
 687
 688 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 689                                               struct cmd_ds_command *cmd,
 690                                               u16 cmd_action)
 691 {
 692         struct cmd_ds_802_11_rate_adapt_rateset
 693         *rateadapt = &cmd->params.rateset;
 694
 695         lbs_deb_enter(LBS_DEB_CMD);
 696         cmd->size =
 697             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 698                              + S_DS_GEN);
 699         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 700
 701         rateadapt->action = cpu_to_le16(cmd_action);
 702         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 703         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 704
 705         lbs_deb_leave(LBS_DEB_CMD);
 706         return 0;
 707 }
 708
 709 /**
 710  *  @brief Get the current data rate
 711  *
 712  *  @param priv         A pointer to struct lbs_private structure
 713  *
 714  *  @return             The data rate on success, error on failure
 715  */
 716 int lbs_get_data_rate(struct lbs_private *priv)
 717 {
 718         struct cmd_ds_802_11_data_rate cmd;
 719         int ret = -1;
 720
 721         lbs_deb_enter(LBS_DEB_CMD);
 722
 723         memset(&cmd, 0, sizeof(cmd));
 724         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 725         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 726
 727         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
 728         if (ret)
 729                 goto out;
 730
 731         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 732
 733         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 734         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 735
 736 out:
 737         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 738         return ret;
 739 }
 740
 741 /**
 742  *  @brief Set the data rate
 743  *
 744  *  @param priv         A pointer to struct lbs_private structure
 745  *  @param rate         The desired data rate, or 0 to clear a locked rate
 746  *
 747  *  @return             0 on success, error on failure
 748  */
 749 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 750 {
 751         struct cmd_ds_802_11_data_rate cmd;
 752         int ret = 0;
 753
 754         lbs_deb_enter(LBS_DEB_CMD);
 755
 756         memset(&cmd, 0, sizeof(cmd));
 757         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 758
 759         if (rate > 0) {
 760                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 761                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 762                 if (cmd.rates[0] == 0) {
 763                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 764                                     " 0x%02X\n", rate);
 765                         ret = 0;
 766                         goto out;
 767                 }
 768                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 769         } else {
 770                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 771                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 772         }
 773
 774         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
 775         if (ret)
 776                 goto out;
 777
 778         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 779
 780         /* FIXME: get actual rates FW can do if this command actually returns
 781          * all data rates supported.
 782          */
 783         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 784         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 785
 786 out:
 787         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 788         return ret;
 789 }
 790
 791 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 792                                       struct cmd_ds_command *cmd,
 793                                       u16 cmd_action)
 794 {
 795         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 796
 797         lbs_deb_enter(LBS_DEB_CMD);
 798         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 799                              S_DS_GEN);
 800         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 801
 802         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 803         pMCastAdr->action = cpu_to_le16(cmd_action);
 804         pMCastAdr->nr_of_adrs =
 805             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 806         memcpy(pMCastAdr->maclist, priv->multicastlist,
 807                priv->nr_of_multicastmacaddr * ETH_ALEN);
 808
 809         lbs_deb_leave(LBS_DEB_CMD);
 810         return 0;
 811 }
 812
 813 static int lbs_cmd_802_11_rf_channel(struct lbs_private *priv,
 814                                       struct cmd_ds_command *cmd,
 815                                       int option, void *pdata_buf)
 816 {
 817         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 818
 819         lbs_deb_enter(LBS_DEB_CMD);
 820         cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
 821         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
 822                                 S_DS_GEN);
 823
 824         if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
 825                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 826         }
 827
 828         rfchan->action = cpu_to_le16(option);
 829
 830         lbs_deb_leave(LBS_DEB_CMD);
 831         return 0;
 832 }
 833
 834 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 835                                 struct cmd_ds_command *cmd)
 836 {
 837
 838         lbs_deb_enter(LBS_DEB_CMD);
 839         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 840         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 841         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 842
 843         /* reset Beacon SNR/NF/RSSI values */
 844         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 845         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 846         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 847         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 848         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 849         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 850
 851         lbs_deb_leave(LBS_DEB_CMD);
 852         return 0;
 853 }
 854
 855 static int lbs_cmd_reg_access(struct lbs_private *priv,
 856                                struct cmd_ds_command *cmdptr,
 857                                u8 cmd_action, void *pdata_buf)
 858 {
 859         struct lbs_offset_value *offval;
 860
 861         lbs_deb_enter(LBS_DEB_CMD);
 862
 863         offval = (struct lbs_offset_value *)pdata_buf;
 864
 865         switch (le16_to_cpu(cmdptr->command)) {
 866         case CMD_MAC_REG_ACCESS:
 867                 {
 868                         struct cmd_ds_mac_reg_access *macreg;
 869
 870                         cmdptr->size =
 871                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 872                                         + S_DS_GEN);
 873                         macreg =
 874                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 875                             macreg;
 876
 877                         macreg->action = cpu_to_le16(cmd_action);
 878                         macreg->offset = cpu_to_le16((u16) offval->offset);
 879                         macreg->value = cpu_to_le32(offval->value);
 880
 881                         break;
 882                 }
 883
 884         case CMD_BBP_REG_ACCESS:
 885                 {
 886                         struct cmd_ds_bbp_reg_access *bbpreg;
 887
 888                         cmdptr->size =
 889                             cpu_to_le16(sizeof
 890                                              (struct cmd_ds_bbp_reg_access)
 891                                              + S_DS_GEN);
 892                         bbpreg =
 893                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 894                             bbpreg;
 895
 896                         bbpreg->action = cpu_to_le16(cmd_action);
 897                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 898                         bbpreg->value = (u8) offval->value;
 899
 900                         break;
 901                 }
 902
 903         case CMD_RF_REG_ACCESS:
 904                 {
 905                         struct cmd_ds_rf_reg_access *rfreg;
 906
 907                         cmdptr->size =
 908                             cpu_to_le16(sizeof
 909                                              (struct cmd_ds_rf_reg_access) +
 910                                              S_DS_GEN);
 911                         rfreg =
 912                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 913                             rfreg;
 914
 915                         rfreg->action = cpu_to_le16(cmd_action);
 916                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 917                         rfreg->value = (u8) offval->value;
 918
 919                         break;
 920                 }
 921
 922         default:
 923                 break;
 924         }
 925
 926         lbs_deb_leave(LBS_DEB_CMD);
 927         return 0;
 928 }
 929
 930 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 931                                        struct cmd_ds_command *cmd,
 932                                        u16 cmd_action)
 933 {
 934
 935         lbs_deb_enter(LBS_DEB_CMD);
 936         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 937         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 938                              S_DS_GEN);
 939         cmd->result = 0;
 940
 941         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 942
 943         if (cmd_action == CMD_ACT_SET) {
 944                 memcpy(cmd->params.macadd.macadd,
 945                        priv->current_addr, ETH_ALEN);
 946                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 947         }
 948
 949         lbs_deb_leave(LBS_DEB_CMD);
 950         return 0;
 951 }
 952
 953 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 954                                          struct cmd_ds_command *cmd,
 955                                          int cmd_action, void *pdata_buf)
 956 {
 957         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 958
 959         lbs_deb_enter(LBS_DEB_CMD);
 960
 961         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 962         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 963                                 S_DS_GEN);
 964         cmd->result = 0;
 965
 966         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 967         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 968         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 969         cmd->params.rdeeprom.value = 0;
 970
 971         lbs_deb_leave(LBS_DEB_CMD);
 972         return 0;
 973 }
 974
 975 static int lbs_cmd_bt_access(struct lbs_private *priv,
 976                                struct cmd_ds_command *cmd,
 977                                u16 cmd_action, void *pdata_buf)
 978 {
 979         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 980         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 981
 982         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
 983         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
 984         cmd->result = 0;
 985         bt_access->action = cpu_to_le16(cmd_action);
 986
 987         switch (cmd_action) {
 988         case CMD_ACT_BT_ACCESS_ADD:
 989                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 990                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
 991                 break;
 992         case CMD_ACT_BT_ACCESS_DEL:
 993                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 994                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
 995                 break;
 996         case CMD_ACT_BT_ACCESS_LIST:
 997                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 998                 break;
 999         case CMD_ACT_BT_ACCESS_RESET:
1000                 break;
1001         case CMD_ACT_BT_ACCESS_SET_INVERT:
1002                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1003                 break;
1004         case CMD_ACT_BT_ACCESS_GET_INVERT:
1005                 break;
1006         default:
1007                 break;
1008         }
1009         lbs_deb_leave(LBS_DEB_CMD);
1010         return 0;
1011 }
1012
1013 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1014                                struct cmd_ds_command *cmd,
1015                                u16 cmd_action, void *pdata_buf)
1016 {
1017         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1018         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1019
1020         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1021         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1022         cmd->result = 0;
1023
1024         if (pdata_buf)
1025                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1026         else
1027                 memset(fwt_access, 0, sizeof(*fwt_access));
1028
1029         fwt_access->action = cpu_to_le16(cmd_action);
1030
1031         lbs_deb_leave(LBS_DEB_CMD);
1032         return 0;
1033 }
1034
1035 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1036                     struct cmd_ds_mesh_access *cmd)
1037 {
1038         int ret;
1039
1040         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1041
1042         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1043         cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1044         cmd->hdr.result = 0;
1045
1046         cmd->action = cpu_to_le16(cmd_action);
1047
1048         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
1049
1050         lbs_deb_leave(LBS_DEB_CMD);
1051         return ret;
1052 }
1053 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1054
1055 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1056                                 struct cmd_ds_command *cmd,
1057                                 u16 cmd_action)
1058 {
1059         struct cmd_ds_802_11_beacon_control
1060                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1061
1062         lbs_deb_enter(LBS_DEB_CMD);
1063         cmd->size =
1064             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1065                              + S_DS_GEN);
1066         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1067
1068         bcn_ctrl->action = cpu_to_le16(cmd_action);
1069         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1070         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1071
1072         lbs_deb_leave(LBS_DEB_CMD);
1073         return 0;
1074 }
1075
1076 /*
1077  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1078  * the command timer, because it does not account for queued commands.
1079  */
1080 void lbs_queue_cmd(struct lbs_private *priv,
1081         struct cmd_ctrl_node *cmdnode,
1082         u8 addtail)
1083 {
1084         unsigned long flags;
1085
1086         lbs_deb_enter(LBS_DEB_HOST);
1087
1088         if (!cmdnode || !cmdnode->cmdbuf) {
1089                 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1090                 goto done;
1091         }
1092
1093         /* Exit_PS command needs to be queued in the header always. */
1094         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1095                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1096
1097                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1098                         if (priv->psstate != PS_STATE_FULL_POWER)
1099                                 addtail = 0;
1100                 }
1101         }
1102
1103         spin_lock_irqsave(&priv->driver_lock, flags);
1104
1105         if (addtail)
1106                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1107         else
1108                 list_add(&cmdnode->list, &priv->cmdpendingq);
1109
1110         spin_unlock_irqrestore(&priv->driver_lock, flags);
1111
1112         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1113                le16_to_cpu(cmdnode->cmdbuf->command));
1114
1115 done:
1116         lbs_deb_leave(LBS_DEB_HOST);
1117 }
1118
1119 /*
1120  * TODO: Fix the issue when DownloadcommandToStation is being called the
1121  * second time when the command times out. All the cmdptr->xxx are in little
1122  * endian and therefore all the comparissions will fail.
1123  * For now - we are not performing the endian conversion the second time - but
1124  * for PS and DEEP_SLEEP we need to worry
1125  */
1126 static int DownloadcommandToStation(struct lbs_private *priv,
1127                                     struct cmd_ctrl_node *cmdnode)
1128 {
1129         unsigned long flags;
1130         struct cmd_header *cmd;
1131         int ret = -1;
1132         u16 cmdsize;
1133         u16 command;
1134
1135         lbs_deb_enter(LBS_DEB_HOST);
1136
1137         if (!priv || !cmdnode) {
1138                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1139                 goto done;
1140         }
1141
1142         cmd = cmdnode->cmdbuf;
1143
1144         spin_lock_irqsave(&priv->driver_lock, flags);
1145         if (!cmd || !cmd->size) {
1146                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1147                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1148                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1149                 goto done;
1150         }
1151
1152         priv->cur_cmd = cmdnode;
1153         priv->cur_cmd_retcode = 0;
1154         spin_unlock_irqrestore(&priv->driver_lock, flags);
1155
1156         cmdsize = le16_to_cpu(cmd->size);
1157         command = le16_to_cpu(cmd->command);
1158
1159         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1160                     command, cmdsize, jiffies);
1161         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1162
1163         cmdnode->cmdwaitqwoken = 0;
1164
1165         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1166
1167         if (ret != 0) {
1168                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1169                 spin_lock_irqsave(&priv->driver_lock, flags);
1170                 priv->cur_cmd_retcode = ret;
1171                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1172                 priv->cur_cmd = NULL;
1173                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1174                 goto done;
1175         }
1176
1177         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1178
1179         /* Setup the timer after transmit command */
1180         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1181             || command == CMD_802_11_ASSOCIATE)
1182                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1183         else
1184                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1185
1186         ret = 0;
1187
1188 done:
1189         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1190         return ret;
1191 }
1192
1193 static int lbs_cmd_mac_control(struct lbs_private *priv,
1194                                 struct cmd_ds_command *cmd)
1195 {
1196         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1197
1198         lbs_deb_enter(LBS_DEB_CMD);
1199
1200         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1201         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1202         mac->action = cpu_to_le16(priv->currentpacketfilter);
1203
1204         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1205                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1206
1207         lbs_deb_leave(LBS_DEB_CMD);
1208         return 0;
1209 }
1210
1211 /**
1212  *  This function inserts command node to cmdfreeq
1213  *  after cleans it. Requires priv->driver_lock held.
1214  */
1215 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1216         struct cmd_ctrl_node *ptempcmd)
1217 {
1218
1219         if (!ptempcmd)
1220                 return;
1221
1222         cleanup_cmdnode(ptempcmd);
1223         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1224 }
1225
1226 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1227         struct cmd_ctrl_node *ptempcmd)
1228 {
1229         unsigned long flags;
1230
1231         spin_lock_irqsave(&priv->driver_lock, flags);
1232         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1233         spin_unlock_irqrestore(&priv->driver_lock, flags);
1234 }
1235
1236 int lbs_set_radio_control(struct lbs_private *priv)
1237 {
1238         int ret = 0;
1239
1240         lbs_deb_enter(LBS_DEB_CMD);
1241
1242         ret = lbs_prepare_and_send_command(priv,
1243                                     CMD_802_11_RADIO_CONTROL,
1244                                     CMD_ACT_SET,
1245                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1246
1247         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1248                priv->radioon, priv->preamble);
1249
1250         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1251         return ret;
1252 }
1253
1254 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1255 {
1256         int ret = 0;
1257
1258         lbs_deb_enter(LBS_DEB_CMD);
1259
1260         /* Send MAC control command to station */
1261         ret = lbs_prepare_and_send_command(priv,
1262                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1263
1264         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1265         return ret;
1266 }
1267
1268 /**
1269  *  @brief This function prepare the command before send to firmware.
1270  *
1271  *  @param priv         A pointer to struct lbs_private structure
1272  *  @param cmd_no       command number
1273  *  @param cmd_action   command action: GET or SET
1274  *  @param wait_option  wait option: wait response or not
1275  *  @param cmd_oid      cmd oid: treated as sub command
1276  *  @param pdata_buf    A pointer to informaion buffer
1277  *  @return             0 or -1
1278  */
1279 int lbs_prepare_and_send_command(struct lbs_private *priv,
1280                           u16 cmd_no,
1281                           u16 cmd_action,
1282                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1283 {
1284         int ret = 0;
1285         struct cmd_ctrl_node *cmdnode;
1286         struct cmd_ds_command *cmdptr;
1287         unsigned long flags;
1288
1289         lbs_deb_enter(LBS_DEB_HOST);
1290
1291         if (!priv) {
1292                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1293                 ret = -1;
1294                 goto done;
1295         }
1296
1297         if (priv->surpriseremoved) {
1298                 lbs_deb_host("PREP_CMD: card removed\n");
1299                 ret = -1;
1300                 goto done;
1301         }
1302
1303         cmdnode = lbs_get_cmd_ctrl_node(priv);
1304
1305         if (cmdnode == NULL) {
1306                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1307
1308                 /* Wake up main thread to execute next command */
1309                 wake_up_interruptible(&priv->waitq);
1310                 ret = -1;
1311                 goto done;
1312         }
1313
1314         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1315
1316         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1317
1318         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1319
1320         if (!cmdptr) {
1321                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1322                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1323                 ret = -1;
1324                 goto done;
1325         }
1326
1327         /* Set sequence number, command and INT option */
1328         priv->seqnum++;
1329         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1330
1331         cmdptr->command = cpu_to_le16(cmd_no);
1332         cmdptr->result = 0;
1333
1334         switch (cmd_no) {
1335         case CMD_802_11_PS_MODE:
1336                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1337                 break;
1338
1339         case CMD_802_11_SCAN:
1340                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1341                 break;
1342
1343         case CMD_MAC_CONTROL:
1344                 ret = lbs_cmd_mac_control(priv, cmdptr);
1345                 break;
1346
1347         case CMD_802_11_ASSOCIATE:
1348         case CMD_802_11_REASSOCIATE:
1349                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1350                 break;
1351
1352         case CMD_802_11_DEAUTHENTICATE:
1353                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1354                 break;
1355
1356         case CMD_802_11_SET_WEP:
1357                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1358                 break;
1359
1360         case CMD_802_11_AD_HOC_START:
1361                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1362                 break;
1363         case CMD_CODE_DNLD:
1364                 break;
1365
1366         case CMD_802_11_RESET:
1367                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1368                 break;
1369
1370         case CMD_802_11_GET_LOG:
1371                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1372                 break;
1373
1374         case CMD_802_11_AUTHENTICATE:
1375                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1376                 break;
1377
1378         case CMD_802_11_GET_STAT:
1379                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1380                 break;
1381
1382         case CMD_802_11_SNMP_MIB:
1383                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1384                                                cmd_action, cmd_oid, pdata_buf);
1385                 break;
1386
1387         case CMD_MAC_REG_ACCESS:
1388         case CMD_BBP_REG_ACCESS:
1389         case CMD_RF_REG_ACCESS:
1390                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1391                 break;
1392
1393         case CMD_802_11_RF_CHANNEL:
1394                 ret = lbs_cmd_802_11_rf_channel(priv, cmdptr,
1395                                                  cmd_action, pdata_buf);
1396                 break;
1397
1398         case CMD_802_11_RF_TX_POWER:
1399                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1400                                                   cmd_action, pdata_buf);
1401                 break;
1402
1403         case CMD_802_11_RADIO_CONTROL:
1404                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1405                 break;
1406
1407         case CMD_802_11_RATE_ADAPT_RATESET:
1408                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1409                                                          cmdptr, cmd_action);
1410                 break;
1411
1412         case CMD_MAC_MULTICAST_ADR:
1413                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1414                 break;
1415
1416         case CMD_802_11_MONITOR_MODE:
1417                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1418                                           cmd_action, pdata_buf);
1419                 break;
1420
1421         case CMD_802_11_AD_HOC_JOIN:
1422                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1423                 break;
1424
1425         case CMD_802_11_RSSI:
1426                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1427                 break;
1428
1429         case CMD_802_11_AD_HOC_STOP:
1430                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1431                 break;
1432
1433         case CMD_802_11_ENABLE_RSN:
1434                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1435                                 pdata_buf);
1436                 break;
1437
1438         case CMD_802_11_KEY_MATERIAL:
1439                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1440                                 cmd_oid, pdata_buf);
1441                 break;
1442
1443         case CMD_802_11_PAIRWISE_TSC:
1444                 break;
1445         case CMD_802_11_GROUP_TSC:
1446                 break;
1447
1448         case CMD_802_11_MAC_ADDRESS:
1449                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1450                 break;
1451
1452         case CMD_802_11_EEPROM_ACCESS:
1453                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1454                                                     cmd_action, pdata_buf);
1455                 break;
1456
1457         case CMD_802_11_SET_AFC:
1458         case CMD_802_11_GET_AFC:
1459
1460                 cmdptr->command = cpu_to_le16(cmd_no);
1461                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1462                                            S_DS_GEN);
1463
1464                 memmove(&cmdptr->params.afc,
1465                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1466
1467                 ret = 0;
1468                 goto done;
1469
1470         case CMD_802_11D_DOMAIN_INFO:
1471                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1472                                                    cmd_no, cmd_action);
1473                 break;
1474
1475         case CMD_802_11_SLEEP_PARAMS:
1476                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1477                 break;
1478         case CMD_802_11_INACTIVITY_TIMEOUT:
1479                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1480                                                          cmd_action, pdata_buf);
1481                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1482                 break;
1483
1484         case CMD_802_11_TPC_CFG:
1485                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1486                 cmdptr->size =
1487                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1488                                      S_DS_GEN);
1489
1490                 memmove(&cmdptr->params.tpccfg,
1491                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1492
1493                 ret = 0;
1494                 break;
1495         case CMD_802_11_LED_GPIO_CTRL:
1496                 {
1497                         struct mrvlietypes_ledgpio *gpio =
1498                             (struct mrvlietypes_ledgpio*)
1499                             cmdptr->params.ledgpio.data;
1500
1501                         memmove(&cmdptr->params.ledgpio,
1502                                 pdata_buf,
1503                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1504
1505                         cmdptr->command =
1506                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1507
1508 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1509                         cmdptr->size =
1510                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1511                                 + S_DS_GEN
1512                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1513                         gpio->header.len = gpio->header.len;
1514
1515                         ret = 0;
1516                         break;
1517                 }
1518         case CMD_802_11_SUBSCRIBE_EVENT:
1519                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1520                         cmd_action, pdata_buf);
1521                 break;
1522         case CMD_802_11_PWR_CFG:
1523                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1524                 cmdptr->size =
1525                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1526                                      S_DS_GEN);
1527                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1528                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1529
1530                 ret = 0;
1531                 break;
1532         case CMD_BT_ACCESS:
1533                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1534                 break;
1535
1536         case CMD_FWT_ACCESS:
1537                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1538                 break;
1539
1540         case CMD_GET_TSF:
1541                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1542                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1543                                            S_DS_GEN);
1544                 ret = 0;
1545                 break;
1546         case CMD_802_11_BEACON_CTRL:
1547                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1548                 break;
1549         default:
1550                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1551                 ret = -1;
1552                 break;
1553         }
1554
1555         /* return error, since the command preparation failed */
1556         if (ret != 0) {
1557                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1558                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1559                 ret = -1;
1560                 goto done;
1561         }
1562
1563         cmdnode->cmdwaitqwoken = 0;
1564
1565         lbs_queue_cmd(priv, cmdnode, 1);
1566         wake_up_interruptible(&priv->waitq);
1567
1568         if (wait_option & CMD_OPTION_WAITFORRSP) {
1569                 lbs_deb_host("PREP_CMD: wait for response\n");
1570                 might_sleep();
1571                 wait_event_interruptible(cmdnode->cmdwait_q,
1572                                          cmdnode->cmdwaitqwoken);
1573         }
1574
1575         spin_lock_irqsave(&priv->driver_lock, flags);
1576         if (priv->cur_cmd_retcode) {
1577                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1578                        priv->cur_cmd_retcode);
1579                 priv->cur_cmd_retcode = 0;
1580                 ret = -1;
1581         }
1582         spin_unlock_irqrestore(&priv->driver_lock, flags);
1583
1584 done:
1585         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1586         return ret;
1587 }
1588 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1589
1590 /**
1591  *  @brief This function allocates the command buffer and link
1592  *  it to command free queue.
1593  *
1594  *  @param priv         A pointer to struct lbs_private structure
1595  *  @return             0 or -1
1596  */
1597 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1598 {
1599         int ret = 0;
1600         u32 bufsize;
1601         u32 i;
1602         struct cmd_ctrl_node *cmdarray;
1603
1604         lbs_deb_enter(LBS_DEB_HOST);
1605
1606         /* Allocate and initialize the command array */
1607         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1608         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1609                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1610                 ret = -1;
1611                 goto done;
1612         }
1613         priv->cmd_array = cmdarray;
1614
1615         /* Allocate and initialize each command buffer in the command array */
1616         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1617                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1618                 if (!cmdarray[i].cmdbuf) {
1619                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1620                         ret = -1;
1621                         goto done;
1622                 }
1623         }
1624
1625         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1626                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1627                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1628         }
1629         ret = 0;
1630
1631 done:
1632         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1633         return ret;
1634 }
1635
1636 /**
1637  *  @brief This function frees the command buffer.
1638  *
1639  *  @param priv         A pointer to struct lbs_private structure
1640  *  @return             0 or -1
1641  */
1642 int lbs_free_cmd_buffer(struct lbs_private *priv)
1643 {
1644         struct cmd_ctrl_node *cmdarray;
1645         unsigned int i;
1646
1647         lbs_deb_enter(LBS_DEB_HOST);
1648
1649         /* need to check if cmd array is allocated or not */
1650         if (priv->cmd_array == NULL) {
1651                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1652                 goto done;
1653         }
1654
1655         cmdarray = priv->cmd_array;
1656
1657         /* Release shared memory buffers */
1658         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1659                 if (cmdarray[i].cmdbuf) {
1660                         kfree(cmdarray[i].cmdbuf);
1661                         cmdarray[i].cmdbuf = NULL;
1662                 }
1663         }
1664
1665         /* Release cmd_ctrl_node */
1666         if (priv->cmd_array) {
1667                 kfree(priv->cmd_array);
1668                 priv->cmd_array = NULL;
1669         }
1670
1671 done:
1672         lbs_deb_leave(LBS_DEB_HOST);
1673         return 0;
1674 }
1675
1676 /**
1677  *  @brief This function gets a free command node if available in
1678  *  command free queue.
1679  *
1680  *  @param priv         A pointer to struct lbs_private structure
1681  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1682  */
1683 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1684 {
1685         struct cmd_ctrl_node *tempnode;
1686         unsigned long flags;
1687
1688         lbs_deb_enter(LBS_DEB_HOST);
1689
1690         if (!priv)
1691                 return NULL;
1692
1693         spin_lock_irqsave(&priv->driver_lock, flags);
1694
1695         if (!list_empty(&priv->cmdfreeq)) {
1696                 tempnode = list_first_entry(&priv->cmdfreeq,
1697                                             struct cmd_ctrl_node, list);
1698                 list_del(&tempnode->list);
1699         } else {
1700                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1701                 tempnode = NULL;
1702         }
1703
1704         spin_unlock_irqrestore(&priv->driver_lock, flags);
1705
1706         if (tempnode)
1707                 cleanup_cmdnode(tempnode);
1708
1709         lbs_deb_leave(LBS_DEB_HOST);
1710         return tempnode;
1711 }
1712
1713 /**
1714  *  @brief This function cleans command node.
1715  *
1716  *  @param ptempnode    A pointer to cmdCtrlNode structure
1717  *  @return             n/a
1718  */
1719 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1720 {
1721         lbs_deb_enter(LBS_DEB_HOST);
1722
1723         if (!cmdnode)
1724                 return;
1725         cmdnode->cmdwaitqwoken = 1;
1726         wake_up_interruptible(&cmdnode->cmdwait_q);
1727         cmdnode->wait_option = 0;
1728         cmdnode->pdata_buf = NULL;
1729         cmdnode->callback = NULL;
1730         cmdnode->callback_arg = 0;
1731
1732         if (cmdnode->cmdbuf != NULL)
1733                 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1734
1735         lbs_deb_leave(LBS_DEB_HOST);
1736 }
1737
1738 /**
1739  *  @brief This function initializes the command node.
1740  *
1741  *  @param priv         A pointer to struct lbs_private structure
1742  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1743  *  @param wait_option  wait option: wait response or not
1744  *  @param pdata_buf    A pointer to informaion buffer
1745  *  @return             0 or -1
1746  */
1747 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1748                     struct cmd_ctrl_node *ptempnode,
1749                     u16 wait_option, void *pdata_buf)
1750 {
1751         lbs_deb_enter(LBS_DEB_HOST);
1752
1753         if (!ptempnode)
1754                 return;
1755
1756         ptempnode->wait_option = wait_option;
1757         ptempnode->pdata_buf = pdata_buf;
1758         ptempnode->callback = NULL;
1759         ptempnode->callback_arg = 0;
1760
1761         lbs_deb_leave(LBS_DEB_HOST);
1762 }
1763
1764 /**
1765  *  @brief This function executes next command in command
1766  *  pending queue. It will put fimware back to PS mode
1767  *  if applicable.
1768  *
1769  *  @param priv     A pointer to struct lbs_private structure
1770  *  @return        0 or -1
1771  */
1772 int lbs_execute_next_command(struct lbs_private *priv)
1773 {
1774         struct cmd_ctrl_node *cmdnode = NULL;
1775         struct cmd_header *cmd;
1776         unsigned long flags;
1777         int ret = 0;
1778
1779         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1780         // only caller to us is lbs_thread() and we get even when a
1781         // data packet is received
1782         lbs_deb_enter(LBS_DEB_THREAD);
1783
1784         spin_lock_irqsave(&priv->driver_lock, flags);
1785
1786         if (priv->cur_cmd) {
1787                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1788                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1789                 ret = -1;
1790                 goto done;
1791         }
1792
1793         if (!list_empty(&priv->cmdpendingq)) {
1794                 cmdnode = list_first_entry(&priv->cmdpendingq,
1795                                            struct cmd_ctrl_node, list);
1796         }
1797
1798         spin_unlock_irqrestore(&priv->driver_lock, flags);
1799
1800         if (cmdnode) {
1801                 cmd = cmdnode->cmdbuf;
1802
1803                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1804                         if ((priv->psstate == PS_STATE_SLEEP) ||
1805                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1806                                 lbs_deb_host(
1807                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1808                                        le16_to_cpu(cmd->command),
1809                                        priv->psstate);
1810                                 ret = -1;
1811                                 goto done;
1812                         }
1813                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1814                                      "0x%04x in psstate %d\n",
1815                                      le16_to_cpu(cmd->command), priv->psstate);
1816                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1817                         /*
1818                          * 1. Non-PS command:
1819                          * Queue it. set needtowakeup to TRUE if current state
1820                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1821                          * 2. PS command but not Exit_PS:
1822                          * Ignore it.
1823                          * 3. PS command Exit_PS:
1824                          * Set needtowakeup to TRUE if current state is SLEEP,
1825                          * otherwise send this command down to firmware
1826                          * immediately.
1827                          */
1828                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1829                                 /*  Prepare to send Exit PS,
1830                                  *  this non PS command will be sent later */
1831                                 if ((priv->psstate == PS_STATE_SLEEP)
1832                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1833                                     ) {
1834                                         /* w/ new scheme, it will not reach here.
1835                                            since it is blocked in main_thread. */
1836                                         priv->needtowakeup = 1;
1837                                 } else
1838                                         lbs_ps_wakeup(priv, 0);
1839
1840                                 ret = 0;
1841                                 goto done;
1842                         } else {
1843                                 /*
1844                                  * PS command. Ignore it if it is not Exit_PS.
1845                                  * otherwise send it down immediately.
1846                                  */
1847                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1848
1849                                 lbs_deb_host(
1850                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1851                                        psm->action);
1852                                 if (psm->action !=
1853                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1854                                         lbs_deb_host(
1855                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1856                                         list_del(&cmdnode->list);
1857                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1858
1859                                         ret = 0;
1860                                         goto done;
1861                                 }
1862
1863                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1864                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1865                                         lbs_deb_host(
1866                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1867                                         list_del(&cmdnode->list);
1868                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1869                                         priv->needtowakeup = 1;
1870
1871                                         ret = 0;
1872                                         goto done;
1873                                 }
1874
1875                                 lbs_deb_host(
1876                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1877                         }
1878                 }
1879                 list_del(&cmdnode->list);
1880                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1881                             le16_to_cpu(cmd->command));
1882                 DownloadcommandToStation(priv, cmdnode);
1883         } else {
1884                 /*
1885                  * check if in power save mode, if yes, put the device back
1886                  * to PS mode
1887                  */
1888                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1889                     (priv->psstate == PS_STATE_FULL_POWER) &&
1890                     ((priv->connect_status == LBS_CONNECTED) ||
1891                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1892                         if (priv->secinfo.WPAenabled ||
1893                             priv->secinfo.WPA2enabled) {
1894                                 /* check for valid WPA group keys */
1895                                 if (priv->wpa_mcast_key.len ||
1896                                     priv->wpa_unicast_key.len) {
1897                                         lbs_deb_host(
1898                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1899                                                " go back to PS_SLEEP");
1900                                         lbs_ps_sleep(priv, 0);
1901                                 }
1902                         } else {
1903                                 lbs_deb_host(
1904                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1905                                        "go back to PS_SLEEP");
1906                                 lbs_ps_sleep(priv, 0);
1907                         }
1908                 }
1909         }
1910
1911         ret = 0;
1912 done:
1913         lbs_deb_leave(LBS_DEB_THREAD);
1914         return ret;
1915 }
1916
1917 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1918 {
1919         union iwreq_data iwrq;
1920         u8 buf[50];
1921
1922         lbs_deb_enter(LBS_DEB_WEXT);
1923
1924         memset(&iwrq, 0, sizeof(union iwreq_data));
1925         memset(buf, 0, sizeof(buf));
1926
1927         snprintf(buf, sizeof(buf) - 1, "%s", str);
1928
1929         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1930
1931         /* Send Event to upper layer */
1932         lbs_deb_wext("event indication string %s\n", (char *)buf);
1933         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1934         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1935
1936         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1937
1938         lbs_deb_leave(LBS_DEB_WEXT);
1939 }
1940
1941 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1942 {
1943         unsigned long flags;
1944         int ret = 0;
1945
1946         lbs_deb_enter(LBS_DEB_HOST);
1947
1948         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1949                size);
1950
1951         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1952
1953         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1954         priv->dnld_sent = DNLD_RES_RECEIVED;
1955
1956         spin_lock_irqsave(&priv->driver_lock, flags);
1957         if (priv->intcounter || priv->currenttxskb)
1958                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1959                        priv->intcounter, priv->currenttxskb);
1960         spin_unlock_irqrestore(&priv->driver_lock, flags);
1961
1962         if (ret) {
1963                 lbs_pr_alert(
1964                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1965         } else {
1966                 spin_lock_irqsave(&priv->driver_lock, flags);
1967                 if (!priv->intcounter) {
1968                         priv->psstate = PS_STATE_SLEEP;
1969                 } else {
1970                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1971                                priv->intcounter);
1972                 }
1973                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1974
1975                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1976         }
1977
1978         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1979         return ret;
1980 }
1981
1982 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1983 {
1984         lbs_deb_enter(LBS_DEB_HOST);
1985
1986         /*
1987          * PS is currently supported only in Infrastructure mode
1988          * Remove this check if it is to be supported in IBSS mode also
1989          */
1990
1991         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1992                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1993
1994         lbs_deb_leave(LBS_DEB_HOST);
1995 }
1996
1997 /**
1998  *  @brief This function sends Exit_PS command to firmware.
1999  *
2000  *  @param priv         A pointer to struct lbs_private structure
2001  *  @param wait_option  wait response or not
2002  *  @return             n/a
2003  */
2004 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2005 {
2006         __le32 Localpsmode;
2007
2008         lbs_deb_enter(LBS_DEB_HOST);
2009
2010         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2011
2012         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2013                               CMD_SUBCMD_EXIT_PS,
2014                               wait_option, 0, &Localpsmode);
2015
2016         lbs_deb_leave(LBS_DEB_HOST);
2017 }
2018
2019 /**
2020  *  @brief This function checks condition and prepares to
2021  *  send sleep confirm command to firmware if ok.
2022  *
2023  *  @param priv         A pointer to struct lbs_private structure
2024  *  @param psmode       Power Saving mode
2025  *  @return             n/a
2026  */
2027 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2028 {
2029         unsigned long flags =0;
2030         u8 allowed = 1;
2031
2032         lbs_deb_enter(LBS_DEB_HOST);
2033
2034         if (priv->dnld_sent) {
2035                 allowed = 0;
2036                 lbs_deb_host("dnld_sent was set");
2037         }
2038
2039         spin_lock_irqsave(&priv->driver_lock, flags);
2040         if (priv->cur_cmd) {
2041                 allowed = 0;
2042                 lbs_deb_host("cur_cmd was set");
2043         }
2044         if (priv->intcounter > 0) {
2045                 allowed = 0;
2046                 lbs_deb_host("intcounter %d", priv->intcounter);
2047         }
2048         spin_unlock_irqrestore(&priv->driver_lock, flags);
2049
2050         if (allowed) {
2051                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2052                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2053                                  sizeof(struct PS_CMD_ConfirmSleep));
2054         } else {
2055                 lbs_deb_host("sleep confirm has been delayed\n");
2056         }
2057
2058         lbs_deb_leave(LBS_DEB_HOST);
2059 }
2060
2061
2062 /**
2063  *  @brief Simple callback that copies response back into command
2064  *
2065  *  @param priv         A pointer to struct lbs_private structure
2066  *  @param extra        A pointer to the original command structure for which
2067  *                      'resp' is a response
2068  *  @param resp         A pointer to the command response
2069  *
2070  *  @return             0 on success, error on failure
2071  */
2072 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2073                      struct cmd_header *resp)
2074 {
2075         struct cmd_header *buf = (void *)extra;
2076         uint16_t copy_len;
2077
2078         lbs_deb_enter(LBS_DEB_CMD);
2079
2080         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2081         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2082                     "copy back buffer was %u bytes\n", copy_len,
2083                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2084         memcpy(buf, resp, copy_len);
2085
2086         lbs_deb_leave(LBS_DEB_CMD);
2087         return 0;
2088 }
2089
2090 /**
2091  *  @brief Simple way to call firmware functions
2092  *
2093  *  @param priv         A pointer to struct lbs_private structure
2094  *  @param psmode       one of the many CMD_802_11_xxxx
2095  *  @param cmd          pointer to the parameters structure for above command
2096  *                      (this should not include the command, size, sequence
2097  *                      and result fields from struct cmd_ds_gen)
2098  *  @param cmd_size     size structure pointed to by cmd
2099  *  @param rsp          pointer to an area where the result should be placed
2100  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2101  *                      returns fewer bytes, then this *rsp_size will be
2102  *                      changed to the actual size.
2103  *  @return             -1 in case of a higher level error, otherwise
2104  *                      the result code from the firmware
2105  */
2106 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2107               struct cmd_header *in_cmd, int in_cmd_size,
2108               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2109               unsigned long callback_arg)
2110 {
2111         struct cmd_ctrl_node *cmdnode;
2112         unsigned long flags;
2113         int ret = 0;
2114
2115         lbs_deb_enter(LBS_DEB_HOST);
2116
2117         if (!priv) {
2118                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2119                 ret = -1;
2120                 goto done;
2121         }
2122
2123         if (priv->surpriseremoved) {
2124                 lbs_deb_host("PREP_CMD: card removed\n");
2125                 ret = -1;
2126                 goto done;
2127         }
2128
2129         cmdnode = lbs_get_cmd_ctrl_node(priv);
2130         if (cmdnode == NULL) {
2131                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2132
2133                 /* Wake up main thread to execute next command */
2134                 wake_up_interruptible(&priv->waitq);
2135                 ret = -1;
2136                 goto done;
2137         }
2138
2139         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2140         cmdnode->callback = callback;
2141         cmdnode->callback_arg = callback_arg;
2142
2143         /* Copy the incoming command to the buffer */
2144         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2145
2146         /* Set sequence number, clean result, move to buffer */
2147         priv->seqnum++;
2148         cmdnode->cmdbuf->command = cpu_to_le16(command);
2149         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2150         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2151         cmdnode->cmdbuf->result  = 0;
2152
2153         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2154
2155         /* here was the big old switch() statement, which is now obsolete,
2156          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2157
2158         cmdnode->cmdwaitqwoken = 0;
2159         lbs_queue_cmd(priv, cmdnode, 1);
2160         wake_up_interruptible(&priv->waitq);
2161
2162         might_sleep();
2163         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2164
2165         spin_lock_irqsave(&priv->driver_lock, flags);
2166         if (priv->cur_cmd_retcode) {
2167                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2168                        priv->cur_cmd_retcode);
2169                 priv->cur_cmd_retcode = 0;
2170                 ret = -1;
2171         }
2172         spin_unlock_irqrestore(&priv->driver_lock, flags);
2173
2174 done:
2175         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2176         return ret;
2177 }
2178 EXPORT_SYMBOL_GPL(__lbs_cmd);
2179
2180