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 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  18 static 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 int lbs_mesh_config(struct lbs_private *priv, int enable)
1097 {
1098         struct cmd_ds_mesh_config cmd;
1099
1100         memset(&cmd, 0, sizeof(cmd));
1101         cmd.action = cpu_to_le16(enable);
1102         cmd.channel = cpu_to_le16(priv->curbssparams.channel);
1103         cmd.type = cpu_to_le16(0x100 + 37);
1104
1105         if (enable) {
1106                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1107                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1108         }
1109         lbs_deb_cmd("mesh config channel %d SSID %s\n",
1110                     priv->curbssparams.channel,
1111                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1112         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
1113 }
1114
1115 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1116                                 struct cmd_ds_command *cmd,
1117                                 u16 cmd_action)
1118 {
1119         struct cmd_ds_802_11_beacon_control
1120                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1121
1122         lbs_deb_enter(LBS_DEB_CMD);
1123         cmd->size =
1124             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1125                              + S_DS_GEN);
1126         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1127
1128         bcn_ctrl->action = cpu_to_le16(cmd_action);
1129         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1130         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1131
1132         lbs_deb_leave(LBS_DEB_CMD);
1133         return 0;
1134 }
1135
1136 /*
1137  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1138  * the command timer, because it does not account for queued commands.
1139  */
1140 void lbs_queue_cmd(struct lbs_private *priv,
1141         struct cmd_ctrl_node *cmdnode,
1142         u8 addtail)
1143 {
1144         unsigned long flags;
1145
1146         lbs_deb_enter(LBS_DEB_HOST);
1147
1148         if (!cmdnode || !cmdnode->cmdbuf) {
1149                 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1150                 goto done;
1151         }
1152
1153         /* Exit_PS command needs to be queued in the header always. */
1154         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1155                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1156
1157                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1158                         if (priv->psstate != PS_STATE_FULL_POWER)
1159                                 addtail = 0;
1160                 }
1161         }
1162
1163         spin_lock_irqsave(&priv->driver_lock, flags);
1164
1165         if (addtail)
1166                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1167         else
1168                 list_add(&cmdnode->list, &priv->cmdpendingq);
1169
1170         spin_unlock_irqrestore(&priv->driver_lock, flags);
1171
1172         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1173                le16_to_cpu(cmdnode->cmdbuf->command));
1174
1175 done:
1176         lbs_deb_leave(LBS_DEB_HOST);
1177 }
1178
1179 /*
1180  * TODO: Fix the issue when DownloadcommandToStation is being called the
1181  * second time when the command times out. All the cmdptr->xxx are in little
1182  * endian and therefore all the comparissions will fail.
1183  * For now - we are not performing the endian conversion the second time - but
1184  * for PS and DEEP_SLEEP we need to worry
1185  */
1186 static int DownloadcommandToStation(struct lbs_private *priv,
1187                                     struct cmd_ctrl_node *cmdnode)
1188 {
1189         unsigned long flags;
1190         struct cmd_header *cmd;
1191         int ret = -1;
1192         u16 cmdsize;
1193         u16 command;
1194
1195         lbs_deb_enter(LBS_DEB_HOST);
1196
1197         if (!priv || !cmdnode) {
1198                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1199                 goto done;
1200         }
1201
1202         cmd = cmdnode->cmdbuf;
1203
1204         spin_lock_irqsave(&priv->driver_lock, flags);
1205         if (!cmd || !cmd->size) {
1206                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1207                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1208                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1209                 goto done;
1210         }
1211
1212         priv->cur_cmd = cmdnode;
1213         priv->cur_cmd_retcode = 0;
1214         spin_unlock_irqrestore(&priv->driver_lock, flags);
1215
1216         cmdsize = le16_to_cpu(cmd->size);
1217         command = le16_to_cpu(cmd->command);
1218
1219         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1220                     command, cmdsize, jiffies);
1221         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1222
1223         cmdnode->cmdwaitqwoken = 0;
1224
1225         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1226
1227         if (ret != 0) {
1228                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1229                 spin_lock_irqsave(&priv->driver_lock, flags);
1230                 priv->cur_cmd_retcode = ret;
1231                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1232                 priv->cur_cmd = NULL;
1233                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1234                 goto done;
1235         }
1236
1237         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1238
1239         /* Setup the timer after transmit command */
1240         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1241             || command == CMD_802_11_ASSOCIATE)
1242                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1243         else
1244                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1245
1246         ret = 0;
1247
1248 done:
1249         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1250         return ret;
1251 }
1252
1253 static int lbs_cmd_mac_control(struct lbs_private *priv,
1254                                 struct cmd_ds_command *cmd)
1255 {
1256         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1257
1258         lbs_deb_enter(LBS_DEB_CMD);
1259
1260         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1261         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1262         mac->action = cpu_to_le16(priv->currentpacketfilter);
1263
1264         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1265                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1266
1267         lbs_deb_leave(LBS_DEB_CMD);
1268         return 0;
1269 }
1270
1271 /**
1272  *  This function inserts command node to cmdfreeq
1273  *  after cleans it. Requires priv->driver_lock held.
1274  */
1275 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1276         struct cmd_ctrl_node *ptempcmd)
1277 {
1278
1279         if (!ptempcmd)
1280                 return;
1281
1282         cleanup_cmdnode(ptempcmd);
1283         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1284 }
1285
1286 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1287         struct cmd_ctrl_node *ptempcmd)
1288 {
1289         unsigned long flags;
1290
1291         spin_lock_irqsave(&priv->driver_lock, flags);
1292         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1293         spin_unlock_irqrestore(&priv->driver_lock, flags);
1294 }
1295
1296 int lbs_set_radio_control(struct lbs_private *priv)
1297 {
1298         int ret = 0;
1299
1300         lbs_deb_enter(LBS_DEB_CMD);
1301
1302         ret = lbs_prepare_and_send_command(priv,
1303                                     CMD_802_11_RADIO_CONTROL,
1304                                     CMD_ACT_SET,
1305                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1306
1307         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1308                priv->radioon, priv->preamble);
1309
1310         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1311         return ret;
1312 }
1313
1314 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1315 {
1316         int ret = 0;
1317
1318         lbs_deb_enter(LBS_DEB_CMD);
1319
1320         /* Send MAC control command to station */
1321         ret = lbs_prepare_and_send_command(priv,
1322                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1323
1324         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1325         return ret;
1326 }
1327
1328 /**
1329  *  @brief This function prepare the command before send to firmware.
1330  *
1331  *  @param priv         A pointer to struct lbs_private structure
1332  *  @param cmd_no       command number
1333  *  @param cmd_action   command action: GET or SET
1334  *  @param wait_option  wait option: wait response or not
1335  *  @param cmd_oid      cmd oid: treated as sub command
1336  *  @param pdata_buf    A pointer to informaion buffer
1337  *  @return             0 or -1
1338  */
1339 int lbs_prepare_and_send_command(struct lbs_private *priv,
1340                           u16 cmd_no,
1341                           u16 cmd_action,
1342                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1343 {
1344         int ret = 0;
1345         struct cmd_ctrl_node *cmdnode;
1346         struct cmd_ds_command *cmdptr;
1347         unsigned long flags;
1348
1349         lbs_deb_enter(LBS_DEB_HOST);
1350
1351         if (!priv) {
1352                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1353                 ret = -1;
1354                 goto done;
1355         }
1356
1357         if (priv->surpriseremoved) {
1358                 lbs_deb_host("PREP_CMD: card removed\n");
1359                 ret = -1;
1360                 goto done;
1361         }
1362
1363         cmdnode = lbs_get_cmd_ctrl_node(priv);
1364
1365         if (cmdnode == NULL) {
1366                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1367
1368                 /* Wake up main thread to execute next command */
1369                 wake_up_interruptible(&priv->waitq);
1370                 ret = -1;
1371                 goto done;
1372         }
1373
1374         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1375
1376         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1377
1378         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1379
1380         if (!cmdptr) {
1381                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1382                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1383                 ret = -1;
1384                 goto done;
1385         }
1386
1387         /* Set sequence number, command and INT option */
1388         priv->seqnum++;
1389         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1390
1391         cmdptr->command = cpu_to_le16(cmd_no);
1392         cmdptr->result = 0;
1393
1394         switch (cmd_no) {
1395         case CMD_802_11_PS_MODE:
1396                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1397                 break;
1398
1399         case CMD_802_11_SCAN:
1400                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1401                 break;
1402
1403         case CMD_MAC_CONTROL:
1404                 ret = lbs_cmd_mac_control(priv, cmdptr);
1405                 break;
1406
1407         case CMD_802_11_ASSOCIATE:
1408         case CMD_802_11_REASSOCIATE:
1409                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1410                 break;
1411
1412         case CMD_802_11_DEAUTHENTICATE:
1413                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1414                 break;
1415
1416         case CMD_802_11_SET_WEP:
1417                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1418                 break;
1419
1420         case CMD_802_11_AD_HOC_START:
1421                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1422                 break;
1423         case CMD_CODE_DNLD:
1424                 break;
1425
1426         case CMD_802_11_RESET:
1427                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1428                 break;
1429
1430         case CMD_802_11_GET_LOG:
1431                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1432                 break;
1433
1434         case CMD_802_11_AUTHENTICATE:
1435                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1436                 break;
1437
1438         case CMD_802_11_GET_STAT:
1439                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1440                 break;
1441
1442         case CMD_802_11_SNMP_MIB:
1443                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1444                                                cmd_action, cmd_oid, pdata_buf);
1445                 break;
1446
1447         case CMD_MAC_REG_ACCESS:
1448         case CMD_BBP_REG_ACCESS:
1449         case CMD_RF_REG_ACCESS:
1450                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1451                 break;
1452
1453         case CMD_802_11_RF_TX_POWER:
1454                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1455                                                   cmd_action, pdata_buf);
1456                 break;
1457
1458         case CMD_802_11_RADIO_CONTROL:
1459                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1460                 break;
1461
1462         case CMD_802_11_RATE_ADAPT_RATESET:
1463                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1464                                                          cmdptr, cmd_action);
1465                 break;
1466
1467         case CMD_MAC_MULTICAST_ADR:
1468                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1469                 break;
1470
1471         case CMD_802_11_MONITOR_MODE:
1472                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1473                                           cmd_action, pdata_buf);
1474                 break;
1475
1476         case CMD_802_11_AD_HOC_JOIN:
1477                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1478                 break;
1479
1480         case CMD_802_11_RSSI:
1481                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1482                 break;
1483
1484         case CMD_802_11_AD_HOC_STOP:
1485                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1486                 break;
1487
1488         case CMD_802_11_ENABLE_RSN:
1489                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1490                                 pdata_buf);
1491                 break;
1492
1493         case CMD_802_11_KEY_MATERIAL:
1494                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1495                                 cmd_oid, pdata_buf);
1496                 break;
1497
1498         case CMD_802_11_PAIRWISE_TSC:
1499                 break;
1500         case CMD_802_11_GROUP_TSC:
1501                 break;
1502
1503         case CMD_802_11_MAC_ADDRESS:
1504                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1505                 break;
1506
1507         case CMD_802_11_EEPROM_ACCESS:
1508                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1509                                                     cmd_action, pdata_buf);
1510                 break;
1511
1512         case CMD_802_11_SET_AFC:
1513         case CMD_802_11_GET_AFC:
1514
1515                 cmdptr->command = cpu_to_le16(cmd_no);
1516                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1517                                            S_DS_GEN);
1518
1519                 memmove(&cmdptr->params.afc,
1520                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1521
1522                 ret = 0;
1523                 goto done;
1524
1525         case CMD_802_11D_DOMAIN_INFO:
1526                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1527                                                    cmd_no, cmd_action);
1528                 break;
1529
1530         case CMD_802_11_SLEEP_PARAMS:
1531                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1532                 break;
1533         case CMD_802_11_INACTIVITY_TIMEOUT:
1534                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1535                                                          cmd_action, pdata_buf);
1536                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1537                 break;
1538
1539         case CMD_802_11_TPC_CFG:
1540                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1541                 cmdptr->size =
1542                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1543                                      S_DS_GEN);
1544
1545                 memmove(&cmdptr->params.tpccfg,
1546                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1547
1548                 ret = 0;
1549                 break;
1550         case CMD_802_11_LED_GPIO_CTRL:
1551                 {
1552                         struct mrvlietypes_ledgpio *gpio =
1553                             (struct mrvlietypes_ledgpio*)
1554                             cmdptr->params.ledgpio.data;
1555
1556                         memmove(&cmdptr->params.ledgpio,
1557                                 pdata_buf,
1558                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1559
1560                         cmdptr->command =
1561                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1562
1563 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1564                         cmdptr->size =
1565                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1566                                 + S_DS_GEN
1567                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1568                         gpio->header.len = gpio->header.len;
1569
1570                         ret = 0;
1571                         break;
1572                 }
1573         case CMD_802_11_SUBSCRIBE_EVENT:
1574                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1575                         cmd_action, pdata_buf);
1576                 break;
1577         case CMD_802_11_PWR_CFG:
1578                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1579                 cmdptr->size =
1580                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1581                                      S_DS_GEN);
1582                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1583                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1584
1585                 ret = 0;
1586                 break;
1587         case CMD_BT_ACCESS:
1588                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1589                 break;
1590
1591         case CMD_FWT_ACCESS:
1592                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1593                 break;
1594
1595         case CMD_GET_TSF:
1596                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1597                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1598                                            S_DS_GEN);
1599                 ret = 0;
1600                 break;
1601         case CMD_802_11_BEACON_CTRL:
1602                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1603                 break;
1604         default:
1605                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1606                 ret = -1;
1607                 break;
1608         }
1609
1610         /* return error, since the command preparation failed */
1611         if (ret != 0) {
1612                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1613                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1614                 ret = -1;
1615                 goto done;
1616         }
1617
1618         cmdnode->cmdwaitqwoken = 0;
1619
1620         lbs_queue_cmd(priv, cmdnode, 1);
1621         wake_up_interruptible(&priv->waitq);
1622
1623         if (wait_option & CMD_OPTION_WAITFORRSP) {
1624                 lbs_deb_host("PREP_CMD: wait for response\n");
1625                 might_sleep();
1626                 wait_event_interruptible(cmdnode->cmdwait_q,
1627                                          cmdnode->cmdwaitqwoken);
1628         }
1629
1630         spin_lock_irqsave(&priv->driver_lock, flags);
1631         if (priv->cur_cmd_retcode) {
1632                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1633                        priv->cur_cmd_retcode);
1634                 priv->cur_cmd_retcode = 0;
1635                 ret = -1;
1636         }
1637         spin_unlock_irqrestore(&priv->driver_lock, flags);
1638
1639 done:
1640         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1641         return ret;
1642 }
1643 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1644
1645 /**
1646  *  @brief This function allocates the command buffer and link
1647  *  it to command free queue.
1648  *
1649  *  @param priv         A pointer to struct lbs_private structure
1650  *  @return             0 or -1
1651  */
1652 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1653 {
1654         int ret = 0;
1655         u32 bufsize;
1656         u32 i;
1657         struct cmd_ctrl_node *cmdarray;
1658
1659         lbs_deb_enter(LBS_DEB_HOST);
1660
1661         /* Allocate and initialize the command array */
1662         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1663         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1664                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1665                 ret = -1;
1666                 goto done;
1667         }
1668         priv->cmd_array = cmdarray;
1669
1670         /* Allocate and initialize each command buffer in the command array */
1671         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1672                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1673                 if (!cmdarray[i].cmdbuf) {
1674                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1675                         ret = -1;
1676                         goto done;
1677                 }
1678         }
1679
1680         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1681                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1682                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1683         }
1684         ret = 0;
1685
1686 done:
1687         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1688         return ret;
1689 }
1690
1691 /**
1692  *  @brief This function frees the command buffer.
1693  *
1694  *  @param priv         A pointer to struct lbs_private structure
1695  *  @return             0 or -1
1696  */
1697 int lbs_free_cmd_buffer(struct lbs_private *priv)
1698 {
1699         struct cmd_ctrl_node *cmdarray;
1700         unsigned int i;
1701
1702         lbs_deb_enter(LBS_DEB_HOST);
1703
1704         /* need to check if cmd array is allocated or not */
1705         if (priv->cmd_array == NULL) {
1706                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1707                 goto done;
1708         }
1709
1710         cmdarray = priv->cmd_array;
1711
1712         /* Release shared memory buffers */
1713         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1714                 if (cmdarray[i].cmdbuf) {
1715                         kfree(cmdarray[i].cmdbuf);
1716                         cmdarray[i].cmdbuf = NULL;
1717                 }
1718         }
1719
1720         /* Release cmd_ctrl_node */
1721         if (priv->cmd_array) {
1722                 kfree(priv->cmd_array);
1723                 priv->cmd_array = NULL;
1724         }
1725
1726 done:
1727         lbs_deb_leave(LBS_DEB_HOST);
1728         return 0;
1729 }
1730
1731 /**
1732  *  @brief This function gets a free command node if available in
1733  *  command free queue.
1734  *
1735  *  @param priv         A pointer to struct lbs_private structure
1736  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1737  */
1738 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1739 {
1740         struct cmd_ctrl_node *tempnode;
1741         unsigned long flags;
1742
1743         lbs_deb_enter(LBS_DEB_HOST);
1744
1745         if (!priv)
1746                 return NULL;
1747
1748         spin_lock_irqsave(&priv->driver_lock, flags);
1749
1750         if (!list_empty(&priv->cmdfreeq)) {
1751                 tempnode = list_first_entry(&priv->cmdfreeq,
1752                                             struct cmd_ctrl_node, list);
1753                 list_del(&tempnode->list);
1754         } else {
1755                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1756                 tempnode = NULL;
1757         }
1758
1759         spin_unlock_irqrestore(&priv->driver_lock, flags);
1760
1761         if (tempnode)
1762                 cleanup_cmdnode(tempnode);
1763
1764         lbs_deb_leave(LBS_DEB_HOST);
1765         return tempnode;
1766 }
1767
1768 /**
1769  *  @brief This function cleans command node.
1770  *
1771  *  @param ptempnode    A pointer to cmdCtrlNode structure
1772  *  @return             n/a
1773  */
1774 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1775 {
1776         lbs_deb_enter(LBS_DEB_HOST);
1777
1778         if (!cmdnode)
1779                 return;
1780         cmdnode->cmdwaitqwoken = 1;
1781         wake_up_interruptible(&cmdnode->cmdwait_q);
1782         cmdnode->wait_option = 0;
1783         cmdnode->pdata_buf = NULL;
1784         cmdnode->callback = NULL;
1785         cmdnode->callback_arg = 0;
1786
1787         if (cmdnode->cmdbuf != NULL)
1788                 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1789
1790         lbs_deb_leave(LBS_DEB_HOST);
1791 }
1792
1793 /**
1794  *  @brief This function initializes the command node.
1795  *
1796  *  @param priv         A pointer to struct lbs_private structure
1797  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1798  *  @param wait_option  wait option: wait response or not
1799  *  @param pdata_buf    A pointer to informaion buffer
1800  *  @return             0 or -1
1801  */
1802 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1803                                   struct cmd_ctrl_node *ptempnode,
1804                                   u16 wait_option, void *pdata_buf)
1805 {
1806         lbs_deb_enter(LBS_DEB_HOST);
1807
1808         if (!ptempnode)
1809                 return;
1810
1811         ptempnode->wait_option = wait_option;
1812         ptempnode->pdata_buf = pdata_buf;
1813         ptempnode->callback = NULL;
1814         ptempnode->callback_arg = 0;
1815
1816         lbs_deb_leave(LBS_DEB_HOST);
1817 }
1818
1819 /**
1820  *  @brief This function executes next command in command
1821  *  pending queue. It will put fimware back to PS mode
1822  *  if applicable.
1823  *
1824  *  @param priv     A pointer to struct lbs_private structure
1825  *  @return        0 or -1
1826  */
1827 int lbs_execute_next_command(struct lbs_private *priv)
1828 {
1829         struct cmd_ctrl_node *cmdnode = NULL;
1830         struct cmd_header *cmd;
1831         unsigned long flags;
1832         int ret = 0;
1833
1834         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1835         // only caller to us is lbs_thread() and we get even when a
1836         // data packet is received
1837         lbs_deb_enter(LBS_DEB_THREAD);
1838
1839         spin_lock_irqsave(&priv->driver_lock, flags);
1840
1841         if (priv->cur_cmd) {
1842                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1843                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1844                 ret = -1;
1845                 goto done;
1846         }
1847
1848         if (!list_empty(&priv->cmdpendingq)) {
1849                 cmdnode = list_first_entry(&priv->cmdpendingq,
1850                                            struct cmd_ctrl_node, list);
1851         }
1852
1853         spin_unlock_irqrestore(&priv->driver_lock, flags);
1854
1855         if (cmdnode) {
1856                 cmd = cmdnode->cmdbuf;
1857
1858                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1859                         if ((priv->psstate == PS_STATE_SLEEP) ||
1860                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1861                                 lbs_deb_host(
1862                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1863                                        le16_to_cpu(cmd->command),
1864                                        priv->psstate);
1865                                 ret = -1;
1866                                 goto done;
1867                         }
1868                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1869                                      "0x%04x in psstate %d\n",
1870                                      le16_to_cpu(cmd->command), priv->psstate);
1871                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1872                         /*
1873                          * 1. Non-PS command:
1874                          * Queue it. set needtowakeup to TRUE if current state
1875                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1876                          * 2. PS command but not Exit_PS:
1877                          * Ignore it.
1878                          * 3. PS command Exit_PS:
1879                          * Set needtowakeup to TRUE if current state is SLEEP,
1880                          * otherwise send this command down to firmware
1881                          * immediately.
1882                          */
1883                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1884                                 /*  Prepare to send Exit PS,
1885                                  *  this non PS command will be sent later */
1886                                 if ((priv->psstate == PS_STATE_SLEEP)
1887                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1888                                     ) {
1889                                         /* w/ new scheme, it will not reach here.
1890                                            since it is blocked in main_thread. */
1891                                         priv->needtowakeup = 1;
1892                                 } else
1893                                         lbs_ps_wakeup(priv, 0);
1894
1895                                 ret = 0;
1896                                 goto done;
1897                         } else {
1898                                 /*
1899                                  * PS command. Ignore it if it is not Exit_PS.
1900                                  * otherwise send it down immediately.
1901                                  */
1902                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1903
1904                                 lbs_deb_host(
1905                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1906                                        psm->action);
1907                                 if (psm->action !=
1908                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1909                                         lbs_deb_host(
1910                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1911                                         list_del(&cmdnode->list);
1912                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1913
1914                                         ret = 0;
1915                                         goto done;
1916                                 }
1917
1918                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1919                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1920                                         lbs_deb_host(
1921                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1922                                         list_del(&cmdnode->list);
1923                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1924                                         priv->needtowakeup = 1;
1925
1926                                         ret = 0;
1927                                         goto done;
1928                                 }
1929
1930                                 lbs_deb_host(
1931                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1932                         }
1933                 }
1934                 list_del(&cmdnode->list);
1935                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1936                             le16_to_cpu(cmd->command));
1937                 DownloadcommandToStation(priv, cmdnode);
1938         } else {
1939                 /*
1940                  * check if in power save mode, if yes, put the device back
1941                  * to PS mode
1942                  */
1943                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1944                     (priv->psstate == PS_STATE_FULL_POWER) &&
1945                     ((priv->connect_status == LBS_CONNECTED) ||
1946                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1947                         if (priv->secinfo.WPAenabled ||
1948                             priv->secinfo.WPA2enabled) {
1949                                 /* check for valid WPA group keys */
1950                                 if (priv->wpa_mcast_key.len ||
1951                                     priv->wpa_unicast_key.len) {
1952                                         lbs_deb_host(
1953                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1954                                                " go back to PS_SLEEP");
1955                                         lbs_ps_sleep(priv, 0);
1956                                 }
1957                         } else {
1958                                 lbs_deb_host(
1959                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1960                                        "go back to PS_SLEEP");
1961                                 lbs_ps_sleep(priv, 0);
1962                         }
1963                 }
1964         }
1965
1966         ret = 0;
1967 done:
1968         lbs_deb_leave(LBS_DEB_THREAD);
1969         return ret;
1970 }
1971
1972 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1973 {
1974         union iwreq_data iwrq;
1975         u8 buf[50];
1976
1977         lbs_deb_enter(LBS_DEB_WEXT);
1978
1979         memset(&iwrq, 0, sizeof(union iwreq_data));
1980         memset(buf, 0, sizeof(buf));
1981
1982         snprintf(buf, sizeof(buf) - 1, "%s", str);
1983
1984         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1985
1986         /* Send Event to upper layer */
1987         lbs_deb_wext("event indication string %s\n", (char *)buf);
1988         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1989         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1990
1991         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1992
1993         lbs_deb_leave(LBS_DEB_WEXT);
1994 }
1995
1996 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1997 {
1998         unsigned long flags;
1999         int ret = 0;
2000
2001         lbs_deb_enter(LBS_DEB_HOST);
2002
2003         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2004                size);
2005
2006         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2007
2008         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2009         priv->dnld_sent = DNLD_RES_RECEIVED;
2010
2011         spin_lock_irqsave(&priv->driver_lock, flags);
2012         if (priv->intcounter || priv->currenttxskb)
2013                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2014                        priv->intcounter, priv->currenttxskb);
2015         spin_unlock_irqrestore(&priv->driver_lock, flags);
2016
2017         if (ret) {
2018                 lbs_pr_alert(
2019                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2020         } else {
2021                 spin_lock_irqsave(&priv->driver_lock, flags);
2022                 if (!priv->intcounter) {
2023                         priv->psstate = PS_STATE_SLEEP;
2024                 } else {
2025                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2026                                priv->intcounter);
2027                 }
2028                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2029
2030                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2031         }
2032
2033         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2034         return ret;
2035 }
2036
2037 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2038 {
2039         lbs_deb_enter(LBS_DEB_HOST);
2040
2041         /*
2042          * PS is currently supported only in Infrastructure mode
2043          * Remove this check if it is to be supported in IBSS mode also
2044          */
2045
2046         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2047                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2048
2049         lbs_deb_leave(LBS_DEB_HOST);
2050 }
2051
2052 /**
2053  *  @brief This function sends Exit_PS command to firmware.
2054  *
2055  *  @param priv         A pointer to struct lbs_private structure
2056  *  @param wait_option  wait response or not
2057  *  @return             n/a
2058  */
2059 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2060 {
2061         __le32 Localpsmode;
2062
2063         lbs_deb_enter(LBS_DEB_HOST);
2064
2065         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2066
2067         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2068                               CMD_SUBCMD_EXIT_PS,
2069                               wait_option, 0, &Localpsmode);
2070
2071         lbs_deb_leave(LBS_DEB_HOST);
2072 }
2073
2074 /**
2075  *  @brief This function checks condition and prepares to
2076  *  send sleep confirm command to firmware if ok.
2077  *
2078  *  @param priv         A pointer to struct lbs_private structure
2079  *  @param psmode       Power Saving mode
2080  *  @return             n/a
2081  */
2082 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2083 {
2084         unsigned long flags =0;
2085         u8 allowed = 1;
2086
2087         lbs_deb_enter(LBS_DEB_HOST);
2088
2089         if (priv->dnld_sent) {
2090                 allowed = 0;
2091                 lbs_deb_host("dnld_sent was set");
2092         }
2093
2094         spin_lock_irqsave(&priv->driver_lock, flags);
2095         if (priv->cur_cmd) {
2096                 allowed = 0;
2097                 lbs_deb_host("cur_cmd was set");
2098         }
2099         if (priv->intcounter > 0) {
2100                 allowed = 0;
2101                 lbs_deb_host("intcounter %d", priv->intcounter);
2102         }
2103         spin_unlock_irqrestore(&priv->driver_lock, flags);
2104
2105         if (allowed) {
2106                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2107                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2108                                  sizeof(struct PS_CMD_ConfirmSleep));
2109         } else {
2110                 lbs_deb_host("sleep confirm has been delayed\n");
2111         }
2112
2113         lbs_deb_leave(LBS_DEB_HOST);
2114 }
2115
2116
2117 /**
2118  *  @brief Simple callback that copies response back into command
2119  *
2120  *  @param priv         A pointer to struct lbs_private structure
2121  *  @param extra        A pointer to the original command structure for which
2122  *                      'resp' is a response
2123  *  @param resp         A pointer to the command response
2124  *
2125  *  @return             0 on success, error on failure
2126  */
2127 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2128                      struct cmd_header *resp)
2129 {
2130         struct cmd_header *buf = (void *)extra;
2131         uint16_t copy_len;
2132
2133         lbs_deb_enter(LBS_DEB_CMD);
2134
2135         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2136         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2137                     "copy back buffer was %u bytes\n", copy_len,
2138                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2139         memcpy(buf, resp, copy_len);
2140
2141         lbs_deb_leave(LBS_DEB_CMD);
2142         return 0;
2143 }
2144
2145 /**
2146  *  @brief Simple way to call firmware functions
2147  *
2148  *  @param priv         A pointer to struct lbs_private structure
2149  *  @param psmode       one of the many CMD_802_11_xxxx
2150  *  @param cmd          pointer to the parameters structure for above command
2151  *                      (this should not include the command, size, sequence
2152  *                      and result fields from struct cmd_ds_gen)
2153  *  @param cmd_size     size structure pointed to by cmd
2154  *  @param rsp          pointer to an area where the result should be placed
2155  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2156  *                      returns fewer bytes, then this *rsp_size will be
2157  *                      changed to the actual size.
2158  *  @return             -1 in case of a higher level error, otherwise
2159  *                      the result code from the firmware
2160  */
2161 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2162               struct cmd_header *in_cmd, int in_cmd_size,
2163               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2164               unsigned long callback_arg)
2165 {
2166         struct cmd_ctrl_node *cmdnode;
2167         unsigned long flags;
2168         int ret = 0;
2169
2170         lbs_deb_enter(LBS_DEB_HOST);
2171
2172         if (!priv) {
2173                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2174                 ret = -1;
2175                 goto done;
2176         }
2177
2178         if (priv->surpriseremoved) {
2179                 lbs_deb_host("PREP_CMD: card removed\n");
2180                 ret = -1;
2181                 goto done;
2182         }
2183
2184         cmdnode = lbs_get_cmd_ctrl_node(priv);
2185         if (cmdnode == NULL) {
2186                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2187
2188                 /* Wake up main thread to execute next command */
2189                 wake_up_interruptible(&priv->waitq);
2190                 ret = -1;
2191                 goto done;
2192         }
2193
2194         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2195         cmdnode->callback = callback;
2196         cmdnode->callback_arg = callback_arg;
2197
2198         /* Copy the incoming command to the buffer */
2199         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2200
2201         /* Set sequence number, clean result, move to buffer */
2202         priv->seqnum++;
2203         cmdnode->cmdbuf->command = cpu_to_le16(command);
2204         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2205         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2206         cmdnode->cmdbuf->result  = 0;
2207
2208         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2209
2210         /* here was the big old switch() statement, which is now obsolete,
2211          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2212
2213         cmdnode->cmdwaitqwoken = 0;
2214         lbs_queue_cmd(priv, cmdnode, 1);
2215         wake_up_interruptible(&priv->waitq);
2216
2217         might_sleep();
2218         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2219
2220         spin_lock_irqsave(&priv->driver_lock, flags);
2221         if (priv->cur_cmd_retcode) {
2222                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2223                        priv->cur_cmd_retcode);
2224                 priv->cur_cmd_retcode = 0;
2225                 ret = -1;
2226         }
2227         spin_unlock_irqrestore(&priv->driver_lock, flags);
2228
2229 done:
2230         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2231         return ret;
2232 }
2233 EXPORT_SYMBOL_GPL(__lbs_cmd);
2234
2235