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 /**
 814  *  @brief Get the radio channel
 815  *
 816  *  @param priv         A pointer to struct lbs_private structure
 817  *
 818  *  @return             The channel on success, error on failure
 819  */
 820 int lbs_get_channel(struct lbs_private *priv)
 821 {
 822         struct cmd_ds_802_11_rf_channel cmd;
 823         int ret = 0;
 824
 825         lbs_deb_enter(LBS_DEB_CMD);
 826
 827         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 828         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 829
 830         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
 831         if (ret)
 832                 goto out;
 833
 834         ret = le16_to_cpu(cmd.channel);
 835         lbs_deb_cmd("current radio channel is %d\n", ret);
 836
 837 out:
 838         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 839         return ret;
 840 }
 841
 842 /**
 843  *  @brief Set the radio channel
 844  *
 845  *  @param priv         A pointer to struct lbs_private structure
 846  *  @param channel      The desired channel, or 0 to clear a locked channel
 847  *
 848  *  @return             0 on success, error on failure
 849  */
 850 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 851 {
 852         struct cmd_ds_802_11_rf_channel cmd;
 853         u8 old_channel = priv->curbssparams.channel;
 854         int ret = 0;
 855
 856         lbs_deb_enter(LBS_DEB_CMD);
 857
 858         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 859         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 860         cmd.channel = cpu_to_le16(channel);
 861
 862         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
 863         if (ret)
 864                 goto out;
 865
 866         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 867         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 868                 priv->curbssparams.channel);
 869
 870 out:
 871         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 872         return ret;
 873 }
 874
 875 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 876                                 struct cmd_ds_command *cmd)
 877 {
 878
 879         lbs_deb_enter(LBS_DEB_CMD);
 880         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 881         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 882         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 883
 884         /* reset Beacon SNR/NF/RSSI values */
 885         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 886         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 887         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 888         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 889         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 890         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 891
 892         lbs_deb_leave(LBS_DEB_CMD);
 893         return 0;
 894 }
 895
 896 static int lbs_cmd_reg_access(struct lbs_private *priv,
 897                                struct cmd_ds_command *cmdptr,
 898                                u8 cmd_action, void *pdata_buf)
 899 {
 900         struct lbs_offset_value *offval;
 901
 902         lbs_deb_enter(LBS_DEB_CMD);
 903
 904         offval = (struct lbs_offset_value *)pdata_buf;
 905
 906         switch (le16_to_cpu(cmdptr->command)) {
 907         case CMD_MAC_REG_ACCESS:
 908                 {
 909                         struct cmd_ds_mac_reg_access *macreg;
 910
 911                         cmdptr->size =
 912                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 913                                         + S_DS_GEN);
 914                         macreg =
 915                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 916                             macreg;
 917
 918                         macreg->action = cpu_to_le16(cmd_action);
 919                         macreg->offset = cpu_to_le16((u16) offval->offset);
 920                         macreg->value = cpu_to_le32(offval->value);
 921
 922                         break;
 923                 }
 924
 925         case CMD_BBP_REG_ACCESS:
 926                 {
 927                         struct cmd_ds_bbp_reg_access *bbpreg;
 928
 929                         cmdptr->size =
 930                             cpu_to_le16(sizeof
 931                                              (struct cmd_ds_bbp_reg_access)
 932                                              + S_DS_GEN);
 933                         bbpreg =
 934                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 935                             bbpreg;
 936
 937                         bbpreg->action = cpu_to_le16(cmd_action);
 938                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 939                         bbpreg->value = (u8) offval->value;
 940
 941                         break;
 942                 }
 943
 944         case CMD_RF_REG_ACCESS:
 945                 {
 946                         struct cmd_ds_rf_reg_access *rfreg;
 947
 948                         cmdptr->size =
 949                             cpu_to_le16(sizeof
 950                                              (struct cmd_ds_rf_reg_access) +
 951                                              S_DS_GEN);
 952                         rfreg =
 953                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 954                             rfreg;
 955
 956                         rfreg->action = cpu_to_le16(cmd_action);
 957                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 958                         rfreg->value = (u8) offval->value;
 959
 960                         break;
 961                 }
 962
 963         default:
 964                 break;
 965         }
 966
 967         lbs_deb_leave(LBS_DEB_CMD);
 968         return 0;
 969 }
 970
 971 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 972                                        struct cmd_ds_command *cmd,
 973                                        u16 cmd_action)
 974 {
 975
 976         lbs_deb_enter(LBS_DEB_CMD);
 977         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 978         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 979                              S_DS_GEN);
 980         cmd->result = 0;
 981
 982         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 983
 984         if (cmd_action == CMD_ACT_SET) {
 985                 memcpy(cmd->params.macadd.macadd,
 986                        priv->current_addr, ETH_ALEN);
 987                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 988         }
 989
 990         lbs_deb_leave(LBS_DEB_CMD);
 991         return 0;
 992 }
 993
 994 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 995                                          struct cmd_ds_command *cmd,
 996                                          int cmd_action, void *pdata_buf)
 997 {
 998         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 999
1000         lbs_deb_enter(LBS_DEB_CMD);
1001
1002         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1003         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1004                                 S_DS_GEN);
1005         cmd->result = 0;
1006
1007         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1008         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1009         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1010         cmd->params.rdeeprom.value = 0;
1011
1012         lbs_deb_leave(LBS_DEB_CMD);
1013         return 0;
1014 }
1015
1016 static int lbs_cmd_bt_access(struct lbs_private *priv,
1017                                struct cmd_ds_command *cmd,
1018                                u16 cmd_action, void *pdata_buf)
1019 {
1020         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1021         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1022
1023         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1024         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1025         cmd->result = 0;
1026         bt_access->action = cpu_to_le16(cmd_action);
1027
1028         switch (cmd_action) {
1029         case CMD_ACT_BT_ACCESS_ADD:
1030                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1031                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1032                 break;
1033         case CMD_ACT_BT_ACCESS_DEL:
1034                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1035                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1036                 break;
1037         case CMD_ACT_BT_ACCESS_LIST:
1038                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1039                 break;
1040         case CMD_ACT_BT_ACCESS_RESET:
1041                 break;
1042         case CMD_ACT_BT_ACCESS_SET_INVERT:
1043                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1044                 break;
1045         case CMD_ACT_BT_ACCESS_GET_INVERT:
1046                 break;
1047         default:
1048                 break;
1049         }
1050         lbs_deb_leave(LBS_DEB_CMD);
1051         return 0;
1052 }
1053
1054 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1055                                struct cmd_ds_command *cmd,
1056                                u16 cmd_action, void *pdata_buf)
1057 {
1058         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1059         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1060
1061         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1062         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1063         cmd->result = 0;
1064
1065         if (pdata_buf)
1066                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1067         else
1068                 memset(fwt_access, 0, sizeof(*fwt_access));
1069
1070         fwt_access->action = cpu_to_le16(cmd_action);
1071
1072         lbs_deb_leave(LBS_DEB_CMD);
1073         return 0;
1074 }
1075
1076 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1077                     struct cmd_ds_mesh_access *cmd)
1078 {
1079         int ret;
1080
1081         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1082
1083         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1084         cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1085         cmd->hdr.result = 0;
1086
1087         cmd->action = cpu_to_le16(cmd_action);
1088
1089         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
1090
1091         lbs_deb_leave(LBS_DEB_CMD);
1092         return ret;
1093 }
1094 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1095
1096 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1097                                 struct cmd_ds_command *cmd,
1098                                 u16 cmd_action)
1099 {
1100         struct cmd_ds_802_11_beacon_control
1101                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1102
1103         lbs_deb_enter(LBS_DEB_CMD);
1104         cmd->size =
1105             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1106                              + S_DS_GEN);
1107         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1108
1109         bcn_ctrl->action = cpu_to_le16(cmd_action);
1110         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1111         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1112
1113         lbs_deb_leave(LBS_DEB_CMD);
1114         return 0;
1115 }
1116
1117 /*
1118  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1119  * the command timer, because it does not account for queued commands.
1120  */
1121 void lbs_queue_cmd(struct lbs_private *priv,
1122         struct cmd_ctrl_node *cmdnode,
1123         u8 addtail)
1124 {
1125         unsigned long flags;
1126
1127         lbs_deb_enter(LBS_DEB_HOST);
1128
1129         if (!cmdnode || !cmdnode->cmdbuf) {
1130                 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1131                 goto done;
1132         }
1133
1134         /* Exit_PS command needs to be queued in the header always. */
1135         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1136                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1137
1138                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1139                         if (priv->psstate != PS_STATE_FULL_POWER)
1140                                 addtail = 0;
1141                 }
1142         }
1143
1144         spin_lock_irqsave(&priv->driver_lock, flags);
1145
1146         if (addtail)
1147                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1148         else
1149                 list_add(&cmdnode->list, &priv->cmdpendingq);
1150
1151         spin_unlock_irqrestore(&priv->driver_lock, flags);
1152
1153         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1154                le16_to_cpu(cmdnode->cmdbuf->command));
1155
1156 done:
1157         lbs_deb_leave(LBS_DEB_HOST);
1158 }
1159
1160 /*
1161  * TODO: Fix the issue when DownloadcommandToStation is being called the
1162  * second time when the command times out. All the cmdptr->xxx are in little
1163  * endian and therefore all the comparissions will fail.
1164  * For now - we are not performing the endian conversion the second time - but
1165  * for PS and DEEP_SLEEP we need to worry
1166  */
1167 static int DownloadcommandToStation(struct lbs_private *priv,
1168                                     struct cmd_ctrl_node *cmdnode)
1169 {
1170         unsigned long flags;
1171         struct cmd_header *cmd;
1172         int ret = -1;
1173         u16 cmdsize;
1174         u16 command;
1175
1176         lbs_deb_enter(LBS_DEB_HOST);
1177
1178         if (!priv || !cmdnode) {
1179                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1180                 goto done;
1181         }
1182
1183         cmd = cmdnode->cmdbuf;
1184
1185         spin_lock_irqsave(&priv->driver_lock, flags);
1186         if (!cmd || !cmd->size) {
1187                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1188                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1189                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1190                 goto done;
1191         }
1192
1193         priv->cur_cmd = cmdnode;
1194         priv->cur_cmd_retcode = 0;
1195         spin_unlock_irqrestore(&priv->driver_lock, flags);
1196
1197         cmdsize = le16_to_cpu(cmd->size);
1198         command = le16_to_cpu(cmd->command);
1199
1200         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1201                     command, cmdsize, jiffies);
1202         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1203
1204         cmdnode->cmdwaitqwoken = 0;
1205
1206         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1207
1208         if (ret != 0) {
1209                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1210                 spin_lock_irqsave(&priv->driver_lock, flags);
1211                 priv->cur_cmd_retcode = ret;
1212                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1213                 priv->cur_cmd = NULL;
1214                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1215                 goto done;
1216         }
1217
1218         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1219
1220         /* Setup the timer after transmit command */
1221         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1222             || command == CMD_802_11_ASSOCIATE)
1223                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1224         else
1225                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1226
1227         ret = 0;
1228
1229 done:
1230         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1231         return ret;
1232 }
1233
1234 static int lbs_cmd_mac_control(struct lbs_private *priv,
1235                                 struct cmd_ds_command *cmd)
1236 {
1237         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1238
1239         lbs_deb_enter(LBS_DEB_CMD);
1240
1241         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1242         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1243         mac->action = cpu_to_le16(priv->currentpacketfilter);
1244
1245         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1246                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1247
1248         lbs_deb_leave(LBS_DEB_CMD);
1249         return 0;
1250 }
1251
1252 /**
1253  *  This function inserts command node to cmdfreeq
1254  *  after cleans it. Requires priv->driver_lock held.
1255  */
1256 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1257         struct cmd_ctrl_node *ptempcmd)
1258 {
1259
1260         if (!ptempcmd)
1261                 return;
1262
1263         cleanup_cmdnode(ptempcmd);
1264         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1265 }
1266
1267 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1268         struct cmd_ctrl_node *ptempcmd)
1269 {
1270         unsigned long flags;
1271
1272         spin_lock_irqsave(&priv->driver_lock, flags);
1273         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1274         spin_unlock_irqrestore(&priv->driver_lock, flags);
1275 }
1276
1277 int lbs_set_radio_control(struct lbs_private *priv)
1278 {
1279         int ret = 0;
1280
1281         lbs_deb_enter(LBS_DEB_CMD);
1282
1283         ret = lbs_prepare_and_send_command(priv,
1284                                     CMD_802_11_RADIO_CONTROL,
1285                                     CMD_ACT_SET,
1286                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1287
1288         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1289                priv->radioon, priv->preamble);
1290
1291         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1292         return ret;
1293 }
1294
1295 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1296 {
1297         int ret = 0;
1298
1299         lbs_deb_enter(LBS_DEB_CMD);
1300
1301         /* Send MAC control command to station */
1302         ret = lbs_prepare_and_send_command(priv,
1303                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1304
1305         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1306         return ret;
1307 }
1308
1309 /**
1310  *  @brief This function prepare the command before send to firmware.
1311  *
1312  *  @param priv         A pointer to struct lbs_private structure
1313  *  @param cmd_no       command number
1314  *  @param cmd_action   command action: GET or SET
1315  *  @param wait_option  wait option: wait response or not
1316  *  @param cmd_oid      cmd oid: treated as sub command
1317  *  @param pdata_buf    A pointer to informaion buffer
1318  *  @return             0 or -1
1319  */
1320 int lbs_prepare_and_send_command(struct lbs_private *priv,
1321                           u16 cmd_no,
1322                           u16 cmd_action,
1323                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1324 {
1325         int ret = 0;
1326         struct cmd_ctrl_node *cmdnode;
1327         struct cmd_ds_command *cmdptr;
1328         unsigned long flags;
1329
1330         lbs_deb_enter(LBS_DEB_HOST);
1331
1332         if (!priv) {
1333                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1334                 ret = -1;
1335                 goto done;
1336         }
1337
1338         if (priv->surpriseremoved) {
1339                 lbs_deb_host("PREP_CMD: card removed\n");
1340                 ret = -1;
1341                 goto done;
1342         }
1343
1344         cmdnode = lbs_get_cmd_ctrl_node(priv);
1345
1346         if (cmdnode == NULL) {
1347                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1348
1349                 /* Wake up main thread to execute next command */
1350                 wake_up_interruptible(&priv->waitq);
1351                 ret = -1;
1352                 goto done;
1353         }
1354
1355         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1356
1357         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1358
1359         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1360
1361         if (!cmdptr) {
1362                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1363                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1364                 ret = -1;
1365                 goto done;
1366         }
1367
1368         /* Set sequence number, command and INT option */
1369         priv->seqnum++;
1370         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1371
1372         cmdptr->command = cpu_to_le16(cmd_no);
1373         cmdptr->result = 0;
1374
1375         switch (cmd_no) {
1376         case CMD_802_11_PS_MODE:
1377                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1378                 break;
1379
1380         case CMD_802_11_SCAN:
1381                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1382                 break;
1383
1384         case CMD_MAC_CONTROL:
1385                 ret = lbs_cmd_mac_control(priv, cmdptr);
1386                 break;
1387
1388         case CMD_802_11_ASSOCIATE:
1389         case CMD_802_11_REASSOCIATE:
1390                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1391                 break;
1392
1393         case CMD_802_11_DEAUTHENTICATE:
1394                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1395                 break;
1396
1397         case CMD_802_11_SET_WEP:
1398                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1399                 break;
1400
1401         case CMD_802_11_AD_HOC_START:
1402                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1403                 break;
1404         case CMD_CODE_DNLD:
1405                 break;
1406
1407         case CMD_802_11_RESET:
1408                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1409                 break;
1410
1411         case CMD_802_11_GET_LOG:
1412                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1413                 break;
1414
1415         case CMD_802_11_AUTHENTICATE:
1416                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1417                 break;
1418
1419         case CMD_802_11_GET_STAT:
1420                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1421                 break;
1422
1423         case CMD_802_11_SNMP_MIB:
1424                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1425                                                cmd_action, cmd_oid, pdata_buf);
1426                 break;
1427
1428         case CMD_MAC_REG_ACCESS:
1429         case CMD_BBP_REG_ACCESS:
1430         case CMD_RF_REG_ACCESS:
1431                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1432                 break;
1433
1434         case CMD_802_11_RF_TX_POWER:
1435                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1436                                                   cmd_action, pdata_buf);
1437                 break;
1438
1439         case CMD_802_11_RADIO_CONTROL:
1440                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1441                 break;
1442
1443         case CMD_802_11_RATE_ADAPT_RATESET:
1444                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1445                                                          cmdptr, cmd_action);
1446                 break;
1447
1448         case CMD_MAC_MULTICAST_ADR:
1449                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1450                 break;
1451
1452         case CMD_802_11_MONITOR_MODE:
1453                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1454                                           cmd_action, pdata_buf);
1455                 break;
1456
1457         case CMD_802_11_AD_HOC_JOIN:
1458                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1459                 break;
1460
1461         case CMD_802_11_RSSI:
1462                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1463                 break;
1464
1465         case CMD_802_11_AD_HOC_STOP:
1466                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1467                 break;
1468
1469         case CMD_802_11_ENABLE_RSN:
1470                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1471                                 pdata_buf);
1472                 break;
1473
1474         case CMD_802_11_KEY_MATERIAL:
1475                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1476                                 cmd_oid, pdata_buf);
1477                 break;
1478
1479         case CMD_802_11_PAIRWISE_TSC:
1480                 break;
1481         case CMD_802_11_GROUP_TSC:
1482                 break;
1483
1484         case CMD_802_11_MAC_ADDRESS:
1485                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1486                 break;
1487
1488         case CMD_802_11_EEPROM_ACCESS:
1489                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1490                                                     cmd_action, pdata_buf);
1491                 break;
1492
1493         case CMD_802_11_SET_AFC:
1494         case CMD_802_11_GET_AFC:
1495
1496                 cmdptr->command = cpu_to_le16(cmd_no);
1497                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1498                                            S_DS_GEN);
1499
1500                 memmove(&cmdptr->params.afc,
1501                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1502
1503                 ret = 0;
1504                 goto done;
1505
1506         case CMD_802_11D_DOMAIN_INFO:
1507                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1508                                                    cmd_no, cmd_action);
1509                 break;
1510
1511         case CMD_802_11_SLEEP_PARAMS:
1512                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1513                 break;
1514         case CMD_802_11_INACTIVITY_TIMEOUT:
1515                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1516                                                          cmd_action, pdata_buf);
1517                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1518                 break;
1519
1520         case CMD_802_11_TPC_CFG:
1521                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1522                 cmdptr->size =
1523                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1524                                      S_DS_GEN);
1525
1526                 memmove(&cmdptr->params.tpccfg,
1527                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1528
1529                 ret = 0;
1530                 break;
1531         case CMD_802_11_LED_GPIO_CTRL:
1532                 {
1533                         struct mrvlietypes_ledgpio *gpio =
1534                             (struct mrvlietypes_ledgpio*)
1535                             cmdptr->params.ledgpio.data;
1536
1537                         memmove(&cmdptr->params.ledgpio,
1538                                 pdata_buf,
1539                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1540
1541                         cmdptr->command =
1542                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1543
1544 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1545                         cmdptr->size =
1546                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1547                                 + S_DS_GEN
1548                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1549                         gpio->header.len = gpio->header.len;
1550
1551                         ret = 0;
1552                         break;
1553                 }
1554         case CMD_802_11_SUBSCRIBE_EVENT:
1555                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1556                         cmd_action, pdata_buf);
1557                 break;
1558         case CMD_802_11_PWR_CFG:
1559                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1560                 cmdptr->size =
1561                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1562                                      S_DS_GEN);
1563                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1564                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1565
1566                 ret = 0;
1567                 break;
1568         case CMD_BT_ACCESS:
1569                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1570                 break;
1571
1572         case CMD_FWT_ACCESS:
1573                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1574                 break;
1575
1576         case CMD_GET_TSF:
1577                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1578                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1579                                            S_DS_GEN);
1580                 ret = 0;
1581                 break;
1582         case CMD_802_11_BEACON_CTRL:
1583                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1584                 break;
1585         default:
1586                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1587                 ret = -1;
1588                 break;
1589         }
1590
1591         /* return error, since the command preparation failed */
1592         if (ret != 0) {
1593                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1594                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1595                 ret = -1;
1596                 goto done;
1597         }
1598
1599         cmdnode->cmdwaitqwoken = 0;
1600
1601         lbs_queue_cmd(priv, cmdnode, 1);
1602         wake_up_interruptible(&priv->waitq);
1603
1604         if (wait_option & CMD_OPTION_WAITFORRSP) {
1605                 lbs_deb_host("PREP_CMD: wait for response\n");
1606                 might_sleep();
1607                 wait_event_interruptible(cmdnode->cmdwait_q,
1608                                          cmdnode->cmdwaitqwoken);
1609         }
1610
1611         spin_lock_irqsave(&priv->driver_lock, flags);
1612         if (priv->cur_cmd_retcode) {
1613                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1614                        priv->cur_cmd_retcode);
1615                 priv->cur_cmd_retcode = 0;
1616                 ret = -1;
1617         }
1618         spin_unlock_irqrestore(&priv->driver_lock, flags);
1619
1620 done:
1621         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1622         return ret;
1623 }
1624 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1625
1626 /**
1627  *  @brief This function allocates the command buffer and link
1628  *  it to command free queue.
1629  *
1630  *  @param priv         A pointer to struct lbs_private structure
1631  *  @return             0 or -1
1632  */
1633 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1634 {
1635         int ret = 0;
1636         u32 bufsize;
1637         u32 i;
1638         struct cmd_ctrl_node *cmdarray;
1639
1640         lbs_deb_enter(LBS_DEB_HOST);
1641
1642         /* Allocate and initialize the command array */
1643         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1644         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1645                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1646                 ret = -1;
1647                 goto done;
1648         }
1649         priv->cmd_array = cmdarray;
1650
1651         /* Allocate and initialize each command buffer in the command array */
1652         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1653                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1654                 if (!cmdarray[i].cmdbuf) {
1655                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1656                         ret = -1;
1657                         goto done;
1658                 }
1659         }
1660
1661         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1662                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1663                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1664         }
1665         ret = 0;
1666
1667 done:
1668         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1669         return ret;
1670 }
1671
1672 /**
1673  *  @brief This function frees the command buffer.
1674  *
1675  *  @param priv         A pointer to struct lbs_private structure
1676  *  @return             0 or -1
1677  */
1678 int lbs_free_cmd_buffer(struct lbs_private *priv)
1679 {
1680         struct cmd_ctrl_node *cmdarray;
1681         unsigned int i;
1682
1683         lbs_deb_enter(LBS_DEB_HOST);
1684
1685         /* need to check if cmd array is allocated or not */
1686         if (priv->cmd_array == NULL) {
1687                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1688                 goto done;
1689         }
1690
1691         cmdarray = priv->cmd_array;
1692
1693         /* Release shared memory buffers */
1694         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1695                 if (cmdarray[i].cmdbuf) {
1696                         kfree(cmdarray[i].cmdbuf);
1697                         cmdarray[i].cmdbuf = NULL;
1698                 }
1699         }
1700
1701         /* Release cmd_ctrl_node */
1702         if (priv->cmd_array) {
1703                 kfree(priv->cmd_array);
1704                 priv->cmd_array = NULL;
1705         }
1706
1707 done:
1708         lbs_deb_leave(LBS_DEB_HOST);
1709         return 0;
1710 }
1711
1712 /**
1713  *  @brief This function gets a free command node if available in
1714  *  command free queue.
1715  *
1716  *  @param priv         A pointer to struct lbs_private structure
1717  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1718  */
1719 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1720 {
1721         struct cmd_ctrl_node *tempnode;
1722         unsigned long flags;
1723
1724         lbs_deb_enter(LBS_DEB_HOST);
1725
1726         if (!priv)
1727                 return NULL;
1728
1729         spin_lock_irqsave(&priv->driver_lock, flags);
1730
1731         if (!list_empty(&priv->cmdfreeq)) {
1732                 tempnode = list_first_entry(&priv->cmdfreeq,
1733                                             struct cmd_ctrl_node, list);
1734                 list_del(&tempnode->list);
1735         } else {
1736                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1737                 tempnode = NULL;
1738         }
1739
1740         spin_unlock_irqrestore(&priv->driver_lock, flags);
1741
1742         if (tempnode)
1743                 cleanup_cmdnode(tempnode);
1744
1745         lbs_deb_leave(LBS_DEB_HOST);
1746         return tempnode;
1747 }
1748
1749 /**
1750  *  @brief This function cleans command node.
1751  *
1752  *  @param ptempnode    A pointer to cmdCtrlNode structure
1753  *  @return             n/a
1754  */
1755 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1756 {
1757         lbs_deb_enter(LBS_DEB_HOST);
1758
1759         if (!cmdnode)
1760                 return;
1761         cmdnode->cmdwaitqwoken = 1;
1762         wake_up_interruptible(&cmdnode->cmdwait_q);
1763         cmdnode->wait_option = 0;
1764         cmdnode->pdata_buf = NULL;
1765         cmdnode->callback = NULL;
1766         cmdnode->callback_arg = 0;
1767
1768         if (cmdnode->cmdbuf != NULL)
1769                 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1770
1771         lbs_deb_leave(LBS_DEB_HOST);
1772 }
1773
1774 /**
1775  *  @brief This function initializes the command node.
1776  *
1777  *  @param priv         A pointer to struct lbs_private structure
1778  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1779  *  @param wait_option  wait option: wait response or not
1780  *  @param pdata_buf    A pointer to informaion buffer
1781  *  @return             0 or -1
1782  */
1783 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1784                     struct cmd_ctrl_node *ptempnode,
1785                     u16 wait_option, void *pdata_buf)
1786 {
1787         lbs_deb_enter(LBS_DEB_HOST);
1788
1789         if (!ptempnode)
1790                 return;
1791
1792         ptempnode->wait_option = wait_option;
1793         ptempnode->pdata_buf = pdata_buf;
1794         ptempnode->callback = NULL;
1795         ptempnode->callback_arg = 0;
1796
1797         lbs_deb_leave(LBS_DEB_HOST);
1798 }
1799
1800 /**
1801  *  @brief This function executes next command in command
1802  *  pending queue. It will put fimware back to PS mode
1803  *  if applicable.
1804  *
1805  *  @param priv     A pointer to struct lbs_private structure
1806  *  @return        0 or -1
1807  */
1808 int lbs_execute_next_command(struct lbs_private *priv)
1809 {
1810         struct cmd_ctrl_node *cmdnode = NULL;
1811         struct cmd_header *cmd;
1812         unsigned long flags;
1813         int ret = 0;
1814
1815         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1816         // only caller to us is lbs_thread() and we get even when a
1817         // data packet is received
1818         lbs_deb_enter(LBS_DEB_THREAD);
1819
1820         spin_lock_irqsave(&priv->driver_lock, flags);
1821
1822         if (priv->cur_cmd) {
1823                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1824                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1825                 ret = -1;
1826                 goto done;
1827         }
1828
1829         if (!list_empty(&priv->cmdpendingq)) {
1830                 cmdnode = list_first_entry(&priv->cmdpendingq,
1831                                            struct cmd_ctrl_node, list);
1832         }
1833
1834         spin_unlock_irqrestore(&priv->driver_lock, flags);
1835
1836         if (cmdnode) {
1837                 cmd = cmdnode->cmdbuf;
1838
1839                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1840                         if ((priv->psstate == PS_STATE_SLEEP) ||
1841                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1842                                 lbs_deb_host(
1843                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1844                                        le16_to_cpu(cmd->command),
1845                                        priv->psstate);
1846                                 ret = -1;
1847                                 goto done;
1848                         }
1849                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1850                                      "0x%04x in psstate %d\n",
1851                                      le16_to_cpu(cmd->command), priv->psstate);
1852                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1853                         /*
1854                          * 1. Non-PS command:
1855                          * Queue it. set needtowakeup to TRUE if current state
1856                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1857                          * 2. PS command but not Exit_PS:
1858                          * Ignore it.
1859                          * 3. PS command Exit_PS:
1860                          * Set needtowakeup to TRUE if current state is SLEEP,
1861                          * otherwise send this command down to firmware
1862                          * immediately.
1863                          */
1864                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1865                                 /*  Prepare to send Exit PS,
1866                                  *  this non PS command will be sent later */
1867                                 if ((priv->psstate == PS_STATE_SLEEP)
1868                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1869                                     ) {
1870                                         /* w/ new scheme, it will not reach here.
1871                                            since it is blocked in main_thread. */
1872                                         priv->needtowakeup = 1;
1873                                 } else
1874                                         lbs_ps_wakeup(priv, 0);
1875
1876                                 ret = 0;
1877                                 goto done;
1878                         } else {
1879                                 /*
1880                                  * PS command. Ignore it if it is not Exit_PS.
1881                                  * otherwise send it down immediately.
1882                                  */
1883                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1884
1885                                 lbs_deb_host(
1886                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1887                                        psm->action);
1888                                 if (psm->action !=
1889                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1890                                         lbs_deb_host(
1891                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1892                                         list_del(&cmdnode->list);
1893                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1894
1895                                         ret = 0;
1896                                         goto done;
1897                                 }
1898
1899                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1900                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1901                                         lbs_deb_host(
1902                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1903                                         list_del(&cmdnode->list);
1904                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1905                                         priv->needtowakeup = 1;
1906
1907                                         ret = 0;
1908                                         goto done;
1909                                 }
1910
1911                                 lbs_deb_host(
1912                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1913                         }
1914                 }
1915                 list_del(&cmdnode->list);
1916                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1917                             le16_to_cpu(cmd->command));
1918                 DownloadcommandToStation(priv, cmdnode);
1919         } else {
1920                 /*
1921                  * check if in power save mode, if yes, put the device back
1922                  * to PS mode
1923                  */
1924                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1925                     (priv->psstate == PS_STATE_FULL_POWER) &&
1926                     ((priv->connect_status == LBS_CONNECTED) ||
1927                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1928                         if (priv->secinfo.WPAenabled ||
1929                             priv->secinfo.WPA2enabled) {
1930                                 /* check for valid WPA group keys */
1931                                 if (priv->wpa_mcast_key.len ||
1932                                     priv->wpa_unicast_key.len) {
1933                                         lbs_deb_host(
1934                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1935                                                " go back to PS_SLEEP");
1936                                         lbs_ps_sleep(priv, 0);
1937                                 }
1938                         } else {
1939                                 lbs_deb_host(
1940                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1941                                        "go back to PS_SLEEP");
1942                                 lbs_ps_sleep(priv, 0);
1943                         }
1944                 }
1945         }
1946
1947         ret = 0;
1948 done:
1949         lbs_deb_leave(LBS_DEB_THREAD);
1950         return ret;
1951 }
1952
1953 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1954 {
1955         union iwreq_data iwrq;
1956         u8 buf[50];
1957
1958         lbs_deb_enter(LBS_DEB_WEXT);
1959
1960         memset(&iwrq, 0, sizeof(union iwreq_data));
1961         memset(buf, 0, sizeof(buf));
1962
1963         snprintf(buf, sizeof(buf) - 1, "%s", str);
1964
1965         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1966
1967         /* Send Event to upper layer */
1968         lbs_deb_wext("event indication string %s\n", (char *)buf);
1969         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1970         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1971
1972         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1973
1974         lbs_deb_leave(LBS_DEB_WEXT);
1975 }
1976
1977 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1978 {
1979         unsigned long flags;
1980         int ret = 0;
1981
1982         lbs_deb_enter(LBS_DEB_HOST);
1983
1984         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1985                size);
1986
1987         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1988
1989         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1990         priv->dnld_sent = DNLD_RES_RECEIVED;
1991
1992         spin_lock_irqsave(&priv->driver_lock, flags);
1993         if (priv->intcounter || priv->currenttxskb)
1994                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1995                        priv->intcounter, priv->currenttxskb);
1996         spin_unlock_irqrestore(&priv->driver_lock, flags);
1997
1998         if (ret) {
1999                 lbs_pr_alert(
2000                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2001         } else {
2002                 spin_lock_irqsave(&priv->driver_lock, flags);
2003                 if (!priv->intcounter) {
2004                         priv->psstate = PS_STATE_SLEEP;
2005                 } else {
2006                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2007                                priv->intcounter);
2008                 }
2009                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2010
2011                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2012         }
2013
2014         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2015         return ret;
2016 }
2017
2018 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2019 {
2020         lbs_deb_enter(LBS_DEB_HOST);
2021
2022         /*
2023          * PS is currently supported only in Infrastructure mode
2024          * Remove this check if it is to be supported in IBSS mode also
2025          */
2026
2027         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2028                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2029
2030         lbs_deb_leave(LBS_DEB_HOST);
2031 }
2032
2033 /**
2034  *  @brief This function sends Exit_PS command to firmware.
2035  *
2036  *  @param priv         A pointer to struct lbs_private structure
2037  *  @param wait_option  wait response or not
2038  *  @return             n/a
2039  */
2040 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2041 {
2042         __le32 Localpsmode;
2043
2044         lbs_deb_enter(LBS_DEB_HOST);
2045
2046         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2047
2048         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2049                               CMD_SUBCMD_EXIT_PS,
2050                               wait_option, 0, &Localpsmode);
2051
2052         lbs_deb_leave(LBS_DEB_HOST);
2053 }
2054
2055 /**
2056  *  @brief This function checks condition and prepares to
2057  *  send sleep confirm command to firmware if ok.
2058  *
2059  *  @param priv         A pointer to struct lbs_private structure
2060  *  @param psmode       Power Saving mode
2061  *  @return             n/a
2062  */
2063 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2064 {
2065         unsigned long flags =0;
2066         u8 allowed = 1;
2067
2068         lbs_deb_enter(LBS_DEB_HOST);
2069
2070         if (priv->dnld_sent) {
2071                 allowed = 0;
2072                 lbs_deb_host("dnld_sent was set");
2073         }
2074
2075         spin_lock_irqsave(&priv->driver_lock, flags);
2076         if (priv->cur_cmd) {
2077                 allowed = 0;
2078                 lbs_deb_host("cur_cmd was set");
2079         }
2080         if (priv->intcounter > 0) {
2081                 allowed = 0;
2082                 lbs_deb_host("intcounter %d", priv->intcounter);
2083         }
2084         spin_unlock_irqrestore(&priv->driver_lock, flags);
2085
2086         if (allowed) {
2087                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2088                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2089                                  sizeof(struct PS_CMD_ConfirmSleep));
2090         } else {
2091                 lbs_deb_host("sleep confirm has been delayed\n");
2092         }
2093
2094         lbs_deb_leave(LBS_DEB_HOST);
2095 }
2096
2097
2098 /**
2099  *  @brief Simple callback that copies response back into command
2100  *
2101  *  @param priv         A pointer to struct lbs_private structure
2102  *  @param extra        A pointer to the original command structure for which
2103  *                      'resp' is a response
2104  *  @param resp         A pointer to the command response
2105  *
2106  *  @return             0 on success, error on failure
2107  */
2108 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2109                      struct cmd_header *resp)
2110 {
2111         struct cmd_header *buf = (void *)extra;
2112         uint16_t copy_len;
2113
2114         lbs_deb_enter(LBS_DEB_CMD);
2115
2116         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2117         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2118                     "copy back buffer was %u bytes\n", copy_len,
2119                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2120         memcpy(buf, resp, copy_len);
2121
2122         lbs_deb_leave(LBS_DEB_CMD);
2123         return 0;
2124 }
2125
2126 /**
2127  *  @brief Simple way to call firmware functions
2128  *
2129  *  @param priv         A pointer to struct lbs_private structure
2130  *  @param psmode       one of the many CMD_802_11_xxxx
2131  *  @param cmd          pointer to the parameters structure for above command
2132  *                      (this should not include the command, size, sequence
2133  *                      and result fields from struct cmd_ds_gen)
2134  *  @param cmd_size     size structure pointed to by cmd
2135  *  @param rsp          pointer to an area where the result should be placed
2136  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2137  *                      returns fewer bytes, then this *rsp_size will be
2138  *                      changed to the actual size.
2139  *  @return             -1 in case of a higher level error, otherwise
2140  *                      the result code from the firmware
2141  */
2142 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2143               struct cmd_header *in_cmd, int in_cmd_size,
2144               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2145               unsigned long callback_arg)
2146 {
2147         struct cmd_ctrl_node *cmdnode;
2148         unsigned long flags;
2149         int ret = 0;
2150
2151         lbs_deb_enter(LBS_DEB_HOST);
2152
2153         if (!priv) {
2154                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2155                 ret = -1;
2156                 goto done;
2157         }
2158
2159         if (priv->surpriseremoved) {
2160                 lbs_deb_host("PREP_CMD: card removed\n");
2161                 ret = -1;
2162                 goto done;
2163         }
2164
2165         cmdnode = lbs_get_cmd_ctrl_node(priv);
2166         if (cmdnode == NULL) {
2167                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2168
2169                 /* Wake up main thread to execute next command */
2170                 wake_up_interruptible(&priv->waitq);
2171                 ret = -1;
2172                 goto done;
2173         }
2174
2175         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2176         cmdnode->callback = callback;
2177         cmdnode->callback_arg = callback_arg;
2178
2179         /* Copy the incoming command to the buffer */
2180         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2181
2182         /* Set sequence number, clean result, move to buffer */
2183         priv->seqnum++;
2184         cmdnode->cmdbuf->command = cpu_to_le16(command);
2185         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2186         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2187         cmdnode->cmdbuf->result  = 0;
2188
2189         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2190
2191         /* here was the big old switch() statement, which is now obsolete,
2192          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2193
2194         cmdnode->cmdwaitqwoken = 0;
2195         lbs_queue_cmd(priv, cmdnode, 1);
2196         wake_up_interruptible(&priv->waitq);
2197
2198         might_sleep();
2199         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2200
2201         spin_lock_irqsave(&priv->driver_lock, flags);
2202         if (priv->cur_cmd_retcode) {
2203                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2204                        priv->cur_cmd_retcode);
2205                 priv->cur_cmd_retcode = 0;
2206                 ret = -1;
2207         }
2208         spin_unlock_irqrestore(&priv->driver_lock, flags);
2209
2210 done:
2211         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2212         return ret;
2213 }
2214 EXPORT_SYMBOL_GPL(__lbs_cmd);
2215
2216