SAFE public projects git trees. - safe/jmp/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 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  18                     struct cmd_ctrl_node *ptempnode,
  19                     void *pdata_buf);
  20
  21
  22 /**
  23  *  @brief Checks whether a command is allowed in Power Save mode
  24  *
  25  *  @param command the command ID
  26  *  @return        1 if allowed, 0 if not allowed
  27  */
  28 static u8 is_command_allowed_in_ps(u16 cmd)
  29 {
  30         switch (cmd) {
  31         case CMD_802_11_RSSI:
  32                 return 1;
  33         default:
  34                 break;
  35         }
  36         return 0;
  37 }
  38
  39 /**
  40  *  @brief Updates the hardware details like MAC address and regulatory region
  41  *
  42  *  @param priv         A pointer to struct lbs_private structure
  43  *
  44  *  @return             0 on success, error on failure
  45  */
  46 int lbs_update_hw_spec(struct lbs_private *priv)
  47 {
  48         struct cmd_ds_get_hw_spec cmd;
  49         int ret = -1;
  50         u32 i;
  51         DECLARE_MAC_BUF(mac);
  52
  53         lbs_deb_enter(LBS_DEB_CMD);
  54
  55         memset(&cmd, 0, sizeof(cmd));
  56         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  57         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  58         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  59         if (ret)
  60                 goto out;
  61
  62         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  63         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  64
  65         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  66                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  67                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  68         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  69                     print_mac(mac, cmd.permanentaddr));
  70         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  71                     cmd.hwifversion, cmd.version);
  72
  73         /* Clamp region code to 8-bit since FW spec indicates that it should
  74          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  75          * returns non-zero high 8 bits here.
  76          */
  77         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  78
  79         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  80                 /* use the region code to search for the index */
  81                 if (priv->regioncode == lbs_region_code_to_index[i])
  82                         break;
  83         }
  84
  85         /* if it's unidentified region code, use the default (USA) */
  86         if (i >= MRVDRV_MAX_REGION_CODE) {
  87                 priv->regioncode = 0x10;
  88                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  89         }
  90
  91         if (priv->current_addr[0] == 0xff)
  92                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  93
  94         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  95         if (priv->mesh_dev)
  96                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  97
  98         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
  99                 ret = -1;
 100                 goto out;
 101         }
 102
 103         if (lbs_set_universaltable(priv, 0)) {
 104                 ret = -1;
 105                 goto out;
 106         }
 107
 108 out:
 109         lbs_deb_leave(LBS_DEB_CMD);
 110         return ret;
 111 }
 112
 113 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 114 {
 115         struct cmd_ds_host_sleep cmd_config;
 116         int ret;
 117
 118         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 119         cmd_config.criteria = cpu_to_le32(criteria);
 120         cmd_config.gpio = priv->wol_gpio;
 121         cmd_config.gap = priv->wol_gap;
 122
 123         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 124         if (!ret) {
 125                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 126                 priv->wol_criteria = criteria;
 127         } else {
 128                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 129         }
 130
 131         return ret;
 132 }
 133 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 134
 135 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 136                                    struct cmd_ds_command *cmd,
 137                                    u16 cmd_action)
 138 {
 139         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 140
 141         lbs_deb_enter(LBS_DEB_CMD);
 142
 143         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 144         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 145                                 S_DS_GEN);
 146         psm->action = cpu_to_le16(cmd_action);
 147         psm->multipledtim = 0;
 148         switch (cmd_action) {
 149         case CMD_SUBCMD_ENTER_PS:
 150                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 151
 152                 psm->locallisteninterval = 0;
 153                 psm->nullpktinterval = 0;
 154                 psm->multipledtim =
 155                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 156                 break;
 157
 158         case CMD_SUBCMD_EXIT_PS:
 159                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 160                 break;
 161
 162         case CMD_SUBCMD_SLEEP_CONFIRMED:
 163                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 164                 break;
 165
 166         default:
 167                 break;
 168         }
 169
 170         lbs_deb_leave(LBS_DEB_CMD);
 171         return 0;
 172 }
 173
 174 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 175                                               struct cmd_ds_command *cmd,
 176                                               u16 cmd_action, void *pdata_buf)
 177 {
 178         u16 *timeout = pdata_buf;
 179
 180         lbs_deb_enter(LBS_DEB_CMD);
 181
 182         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 183         cmd->size =
 184             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 185                              + S_DS_GEN);
 186
 187         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 188
 189         if (cmd_action)
 190                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 191         else
 192                 cmd->params.inactivity_timeout.timeout = 0;
 193
 194         lbs_deb_leave(LBS_DEB_CMD);
 195         return 0;
 196 }
 197
 198 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 199                                         struct cmd_ds_command *cmd,
 200                                         u16 cmd_action)
 201 {
 202         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 203
 204         lbs_deb_enter(LBS_DEB_CMD);
 205
 206         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 207                                 S_DS_GEN);
 208         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 209
 210         if (cmd_action == CMD_ACT_GET) {
 211                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 212                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 213                 sp->action = cpu_to_le16(cmd_action);
 214         } else if (cmd_action == CMD_ACT_SET) {
 215                 sp->action = cpu_to_le16(cmd_action);
 216                 sp->error = cpu_to_le16(priv->sp.sp_error);
 217                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 218                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 219                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 220                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 221                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 222         }
 223
 224         lbs_deb_leave(LBS_DEB_CMD);
 225         return 0;
 226 }
 227
 228 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 229                                    struct cmd_ds_command *cmd,
 230                                    u32 cmd_act,
 231                                    void * pdata_buf)
 232 {
 233         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 234         int ret = 0;
 235         struct assoc_request * assoc_req = pdata_buf;
 236
 237         lbs_deb_enter(LBS_DEB_CMD);
 238
 239         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 240         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 241
 242         if (cmd_act == CMD_ACT_ADD) {
 243                 int i;
 244
 245                 if (!assoc_req) {
 246                         lbs_deb_cmd("Invalid association request!\n");
 247                         ret = -1;
 248                         goto done;
 249                 }
 250
 251                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 252
 253                 /* default tx key index */
 254                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 255                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 256
 257                 /* Copy key types and material to host command structure */
 258                 for (i = 0; i < 4; i++) {
 259                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 260
 261                         switch (pkey->len) {
 262                         case KEY_LEN_WEP_40:
 263                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 264                                 memmove(&wep->keymaterial[i], pkey->key,
 265                                         pkey->len);
 266                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 267                                 break;
 268                         case KEY_LEN_WEP_104:
 269                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 270                                 memmove(&wep->keymaterial[i], pkey->key,
 271                                         pkey->len);
 272                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 273                                 break;
 274                         case 0:
 275                                 break;
 276                         default:
 277                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 278                                        i, pkey->len);
 279                                 ret = -1;
 280                                 goto done;
 281                                 break;
 282                         }
 283                 }
 284         } else if (cmd_act == CMD_ACT_REMOVE) {
 285                 /* ACT_REMOVE clears _all_ WEP keys */
 286                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 287
 288                 /* default tx key index */
 289                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 290                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 291                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 292         }
 293
 294         ret = 0;
 295
 296 done:
 297         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 298         return ret;
 299 }
 300
 301 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 302                                       struct cmd_ds_command *cmd,
 303                                       u16 cmd_action,
 304                                       void * pdata_buf)
 305 {
 306         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 307         u32 * enable = pdata_buf;
 308
 309         lbs_deb_enter(LBS_DEB_CMD);
 310
 311         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 312         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 313         penableRSN->action = cpu_to_le16(cmd_action);
 314
 315         if (cmd_action == CMD_ACT_SET) {
 316                 if (*enable)
 317                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 318                 else
 319                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 320                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 321         }
 322
 323         lbs_deb_leave(LBS_DEB_CMD);
 324         return 0;
 325 }
 326
 327
 328 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 329 {
 330         ssize_t pos = 0;
 331         struct mrvlietypesheader *tlv_h;
 332         while (pos < size) {
 333                 u16 length;
 334                 tlv_h = (struct mrvlietypesheader *) tlv;
 335                 if (tlv_h->len == 0)
 336                         return pos;
 337                 length = le16_to_cpu(tlv_h->len) +
 338                         sizeof(struct mrvlietypesheader);
 339                 pos += length;
 340                 tlv += length;
 341         }
 342         return pos;
 343 }
 344
 345
 346 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 347         struct cmd_ds_command *cmd, u16 cmd_action,
 348         void *pdata_buf)
 349 {
 350         struct cmd_ds_802_11_subscribe_event *events =
 351                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 352
 353         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 354          * for various Marvell TLVs */
 355
 356         lbs_deb_enter(LBS_DEB_CMD);
 357
 358         cmd->size = cpu_to_le16(sizeof(*events)
 359                         - sizeof(events->tlv)
 360                         + S_DS_GEN);
 361         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 362         if (cmd_action == CMD_ACT_GET) {
 363                 cmd->params.subscribe_event.events = 0;
 364         } else {
 365                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 366                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 367                 cmd->params.subscribe_event.events = events->events;
 368                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 369         }
 370
 371         lbs_deb_leave(LBS_DEB_CMD);
 372 }
 373
 374 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 375                             struct enc_key * pkey)
 376 {
 377         lbs_deb_enter(LBS_DEB_CMD);
 378
 379         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 380                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 381         }
 382         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 383                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 384         }
 385         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 386                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 387         }
 388
 389         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 390         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 391         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 392         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 393         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 394                                                 + sizeof(pkeyparamset->keyinfo)
 395                                                 + sizeof(pkeyparamset->keylen)
 396                                                 + sizeof(pkeyparamset->key));
 397         lbs_deb_leave(LBS_DEB_CMD);
 398 }
 399
 400 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 401                                         struct cmd_ds_command *cmd,
 402                                         u16 cmd_action,
 403                                         u32 cmd_oid, void *pdata_buf)
 404 {
 405         struct cmd_ds_802_11_key_material *pkeymaterial =
 406             &cmd->params.keymaterial;
 407         struct assoc_request * assoc_req = pdata_buf;
 408         int ret = 0;
 409         int index = 0;
 410
 411         lbs_deb_enter(LBS_DEB_CMD);
 412
 413         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 414         pkeymaterial->action = cpu_to_le16(cmd_action);
 415
 416         if (cmd_action == CMD_ACT_GET) {
 417                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 418                 ret = 0;
 419                 goto done;
 420         }
 421
 422         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 423
 424         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 425                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 426                                 &assoc_req->wpa_unicast_key);
 427                 index++;
 428         }
 429
 430         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 431                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 432                                 &assoc_req->wpa_mcast_key);
 433                 index++;
 434         }
 435
 436         cmd->size = cpu_to_le16(  S_DS_GEN
 437                                 + sizeof (pkeymaterial->action)
 438                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 439
 440         ret = 0;
 441
 442 done:
 443         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 444         return ret;
 445 }
 446
 447 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 448                                  struct cmd_ds_command *cmd, int cmd_action)
 449 {
 450         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 451
 452         lbs_deb_enter(LBS_DEB_CMD);
 453
 454         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 455         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 456         reset->action = cpu_to_le16(cmd_action);
 457
 458         lbs_deb_leave(LBS_DEB_CMD);
 459         return 0;
 460 }
 461
 462 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 463                                    struct cmd_ds_command *cmd)
 464 {
 465         lbs_deb_enter(LBS_DEB_CMD);
 466         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 467         cmd->size =
 468                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 469
 470         lbs_deb_leave(LBS_DEB_CMD);
 471         return 0;
 472 }
 473
 474 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 475                                     struct cmd_ds_command *cmd)
 476 {
 477         lbs_deb_enter(LBS_DEB_CMD);
 478         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 479         cmd->size =
 480             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 481
 482         lbs_deb_leave(LBS_DEB_CMD);
 483         return 0;
 484 }
 485
 486 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 487                                     struct cmd_ds_command *cmd,
 488                                     int cmd_action,
 489                                     int cmd_oid, void *pdata_buf)
 490 {
 491         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 492         u8 ucTemp;
 493
 494         lbs_deb_enter(LBS_DEB_CMD);
 495
 496         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 497
 498         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 499         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 500
 501         switch (cmd_oid) {
 502         case OID_802_11_INFRASTRUCTURE_MODE:
 503         {
 504                 u8 mode = (u8) (size_t) pdata_buf;
 505                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 506                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 507                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 508                 if (mode == IW_MODE_ADHOC) {
 509                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 510                 } else {
 511                         /* Infra and Auto modes */
 512                         ucTemp = SNMP_MIB_VALUE_INFRA;
 513                 }
 514
 515                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 516
 517                 break;
 518         }
 519
 520         case OID_802_11D_ENABLE:
 521                 {
 522                         u32 ulTemp;
 523
 524                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 525
 526                         if (cmd_action == CMD_ACT_SET) {
 527                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 528                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 529                                 ulTemp = *(u32 *)pdata_buf;
 530                                 *((__le16 *)(pSNMPMIB->value)) =
 531                                     cpu_to_le16((u16) ulTemp);
 532                         }
 533                         break;
 534                 }
 535
 536         case OID_802_11_FRAGMENTATION_THRESHOLD:
 537                 {
 538                         u32 ulTemp;
 539
 540                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 541
 542                         if (cmd_action == CMD_ACT_GET) {
 543                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 544                         } else if (cmd_action == CMD_ACT_SET) {
 545                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 546                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 547                                 ulTemp = *((u32 *) pdata_buf);
 548                                 *((__le16 *)(pSNMPMIB->value)) =
 549                                     cpu_to_le16((u16) ulTemp);
 550
 551                         }
 552
 553                         break;
 554                 }
 555
 556         case OID_802_11_RTS_THRESHOLD:
 557                 {
 558
 559                         u32 ulTemp;
 560                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 561
 562                         if (cmd_action == CMD_ACT_GET) {
 563                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 564                         } else if (cmd_action == CMD_ACT_SET) {
 565                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 566                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 567                                 ulTemp = *((u32 *)pdata_buf);
 568                                 *(__le16 *)(pSNMPMIB->value) =
 569                                     cpu_to_le16((u16) ulTemp);
 570
 571                         }
 572                         break;
 573                 }
 574         case OID_802_11_TX_RETRYCOUNT:
 575                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 576
 577                 if (cmd_action == CMD_ACT_GET) {
 578                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 579                 } else if (cmd_action == CMD_ACT_SET) {
 580                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 581                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 582                         *((__le16 *)(pSNMPMIB->value)) =
 583                             cpu_to_le16((u16) priv->txretrycount);
 584                 }
 585
 586                 break;
 587         default:
 588                 break;
 589         }
 590
 591         lbs_deb_cmd(
 592                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 593                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 594                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 595
 596         lbs_deb_cmd(
 597                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 598                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 599                le16_to_cpu(pSNMPMIB->bufsize),
 600                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 601
 602         lbs_deb_leave(LBS_DEB_CMD);
 603         return 0;
 604 }
 605
 606 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 607                                        struct cmd_ds_command *cmd,
 608                                        u16 cmd_action, void *pdata_buf)
 609 {
 610
 611         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 612
 613         lbs_deb_enter(LBS_DEB_CMD);
 614
 615         cmd->size =
 616             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 617         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 618         prtp->action = cpu_to_le16(cmd_action);
 619
 620         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 621                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 622                     le16_to_cpu(prtp->action));
 623
 624         switch (cmd_action) {
 625         case CMD_ACT_TX_POWER_OPT_GET:
 626                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 627                 prtp->currentlevel = 0;
 628                 break;
 629
 630         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 631                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 632                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 633                 break;
 634
 635         case CMD_ACT_TX_POWER_OPT_SET_MID:
 636                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 637                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 638                 break;
 639
 640         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 641                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 642                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 643                 break;
 644         }
 645
 646         lbs_deb_leave(LBS_DEB_CMD);
 647         return 0;
 648 }
 649
 650 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 651                                       struct cmd_ds_command *cmd,
 652                                       u16 cmd_action, void *pdata_buf)
 653 {
 654         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 655
 656         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 657         cmd->size =
 658             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 659                              S_DS_GEN);
 660
 661         monitor->action = cpu_to_le16(cmd_action);
 662         if (cmd_action == CMD_ACT_SET) {
 663                 monitor->mode =
 664                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 665         }
 666
 667         return 0;
 668 }
 669
 670 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 671                                               struct cmd_ds_command *cmd,
 672                                               u16 cmd_action)
 673 {
 674         struct cmd_ds_802_11_rate_adapt_rateset
 675         *rateadapt = &cmd->params.rateset;
 676
 677         lbs_deb_enter(LBS_DEB_CMD);
 678         cmd->size =
 679             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 680                              + S_DS_GEN);
 681         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 682
 683         rateadapt->action = cpu_to_le16(cmd_action);
 684         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 685         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 686
 687         lbs_deb_leave(LBS_DEB_CMD);
 688         return 0;
 689 }
 690
 691 /**
 692  *  @brief Get the current data rate
 693  *
 694  *  @param priv         A pointer to struct lbs_private structure
 695  *
 696  *  @return             The data rate on success, error on failure
 697  */
 698 int lbs_get_data_rate(struct lbs_private *priv)
 699 {
 700         struct cmd_ds_802_11_data_rate cmd;
 701         int ret = -1;
 702
 703         lbs_deb_enter(LBS_DEB_CMD);
 704
 705         memset(&cmd, 0, sizeof(cmd));
 706         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 707         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 708
 709         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 710         if (ret)
 711                 goto out;
 712
 713         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 714
 715         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 716         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 717
 718 out:
 719         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 720         return ret;
 721 }
 722
 723 /**
 724  *  @brief Set the data rate
 725  *
 726  *  @param priv         A pointer to struct lbs_private structure
 727  *  @param rate         The desired data rate, or 0 to clear a locked rate
 728  *
 729  *  @return             0 on success, error on failure
 730  */
 731 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 732 {
 733         struct cmd_ds_802_11_data_rate cmd;
 734         int ret = 0;
 735
 736         lbs_deb_enter(LBS_DEB_CMD);
 737
 738         memset(&cmd, 0, sizeof(cmd));
 739         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 740
 741         if (rate > 0) {
 742                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 743                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 744                 if (cmd.rates[0] == 0) {
 745                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 746                                     " 0x%02X\n", rate);
 747                         ret = 0;
 748                         goto out;
 749                 }
 750                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 751         } else {
 752                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 753                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 754         }
 755
 756         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 757         if (ret)
 758                 goto out;
 759
 760         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 761
 762         /* FIXME: get actual rates FW can do if this command actually returns
 763          * all data rates supported.
 764          */
 765         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 766         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 767
 768 out:
 769         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 770         return ret;
 771 }
 772
 773 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 774                                       struct cmd_ds_command *cmd,
 775                                       u16 cmd_action)
 776 {
 777         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 778
 779         lbs_deb_enter(LBS_DEB_CMD);
 780         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 781                              S_DS_GEN);
 782         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 783
 784         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 785         pMCastAdr->action = cpu_to_le16(cmd_action);
 786         pMCastAdr->nr_of_adrs =
 787             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 788         memcpy(pMCastAdr->maclist, priv->multicastlist,
 789                priv->nr_of_multicastmacaddr * ETH_ALEN);
 790
 791         lbs_deb_leave(LBS_DEB_CMD);
 792         return 0;
 793 }
 794
 795 /**
 796  *  @brief Get the radio channel
 797  *
 798  *  @param priv         A pointer to struct lbs_private structure
 799  *
 800  *  @return             The channel on success, error on failure
 801  */
 802 int lbs_get_channel(struct lbs_private *priv)
 803 {
 804         struct cmd_ds_802_11_rf_channel cmd;
 805         int ret = 0;
 806
 807         lbs_deb_enter(LBS_DEB_CMD);
 808
 809         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 810         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 811
 812         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 813         if (ret)
 814                 goto out;
 815
 816         ret = le16_to_cpu(cmd.channel);
 817         lbs_deb_cmd("current radio channel is %d\n", ret);
 818
 819 out:
 820         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 821         return ret;
 822 }
 823
 824 /**
 825  *  @brief Set the radio channel
 826  *
 827  *  @param priv         A pointer to struct lbs_private structure
 828  *  @param channel      The desired channel, or 0 to clear a locked channel
 829  *
 830  *  @return             0 on success, error on failure
 831  */
 832 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 833 {
 834         struct cmd_ds_802_11_rf_channel cmd;
 835         u8 old_channel = priv->curbssparams.channel;
 836         int ret = 0;
 837
 838         lbs_deb_enter(LBS_DEB_CMD);
 839
 840         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 841         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 842         cmd.channel = cpu_to_le16(channel);
 843
 844         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 845         if (ret)
 846                 goto out;
 847
 848         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 849         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 850                 priv->curbssparams.channel);
 851
 852 out:
 853         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 854         return ret;
 855 }
 856
 857 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 858                                 struct cmd_ds_command *cmd)
 859 {
 860
 861         lbs_deb_enter(LBS_DEB_CMD);
 862         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 863         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 864         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 865
 866         /* reset Beacon SNR/NF/RSSI values */
 867         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 868         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 869         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 870         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 871         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 872         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 873
 874         lbs_deb_leave(LBS_DEB_CMD);
 875         return 0;
 876 }
 877
 878 static int lbs_cmd_reg_access(struct lbs_private *priv,
 879                                struct cmd_ds_command *cmdptr,
 880                                u8 cmd_action, void *pdata_buf)
 881 {
 882         struct lbs_offset_value *offval;
 883
 884         lbs_deb_enter(LBS_DEB_CMD);
 885
 886         offval = (struct lbs_offset_value *)pdata_buf;
 887
 888         switch (le16_to_cpu(cmdptr->command)) {
 889         case CMD_MAC_REG_ACCESS:
 890                 {
 891                         struct cmd_ds_mac_reg_access *macreg;
 892
 893                         cmdptr->size =
 894                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 895                                         + S_DS_GEN);
 896                         macreg =
 897                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 898                             macreg;
 899
 900                         macreg->action = cpu_to_le16(cmd_action);
 901                         macreg->offset = cpu_to_le16((u16) offval->offset);
 902                         macreg->value = cpu_to_le32(offval->value);
 903
 904                         break;
 905                 }
 906
 907         case CMD_BBP_REG_ACCESS:
 908                 {
 909                         struct cmd_ds_bbp_reg_access *bbpreg;
 910
 911                         cmdptr->size =
 912                             cpu_to_le16(sizeof
 913                                              (struct cmd_ds_bbp_reg_access)
 914                                              + S_DS_GEN);
 915                         bbpreg =
 916                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 917                             bbpreg;
 918
 919                         bbpreg->action = cpu_to_le16(cmd_action);
 920                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 921                         bbpreg->value = (u8) offval->value;
 922
 923                         break;
 924                 }
 925
 926         case CMD_RF_REG_ACCESS:
 927                 {
 928                         struct cmd_ds_rf_reg_access *rfreg;
 929
 930                         cmdptr->size =
 931                             cpu_to_le16(sizeof
 932                                              (struct cmd_ds_rf_reg_access) +
 933                                              S_DS_GEN);
 934                         rfreg =
 935                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 936                             rfreg;
 937
 938                         rfreg->action = cpu_to_le16(cmd_action);
 939                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 940                         rfreg->value = (u8) offval->value;
 941
 942                         break;
 943                 }
 944
 945         default:
 946                 break;
 947         }
 948
 949         lbs_deb_leave(LBS_DEB_CMD);
 950         return 0;
 951 }
 952
 953 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 954                                        struct cmd_ds_command *cmd,
 955                                        u16 cmd_action)
 956 {
 957
 958         lbs_deb_enter(LBS_DEB_CMD);
 959         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 960         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 961                              S_DS_GEN);
 962         cmd->result = 0;
 963
 964         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 965
 966         if (cmd_action == CMD_ACT_SET) {
 967                 memcpy(cmd->params.macadd.macadd,
 968                        priv->current_addr, ETH_ALEN);
 969                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 970         }
 971
 972         lbs_deb_leave(LBS_DEB_CMD);
 973         return 0;
 974 }
 975
 976 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 977                                          struct cmd_ds_command *cmd,
 978                                          int cmd_action, void *pdata_buf)
 979 {
 980         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 981
 982         lbs_deb_enter(LBS_DEB_CMD);
 983
 984         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 985         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 986                                 S_DS_GEN);
 987         cmd->result = 0;
 988
 989         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 990         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 991         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 992         cmd->params.rdeeprom.value = 0;
 993
 994         lbs_deb_leave(LBS_DEB_CMD);
 995         return 0;
 996 }
 997
 998 static int lbs_cmd_bt_access(struct lbs_private *priv,
 999                                struct cmd_ds_command *cmd,
1000                                u16 cmd_action, void *pdata_buf)
1001 {
1002         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1003         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1004
1005         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1006         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1007         cmd->result = 0;
1008         bt_access->action = cpu_to_le16(cmd_action);
1009
1010         switch (cmd_action) {
1011         case CMD_ACT_BT_ACCESS_ADD:
1012                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1013                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1014                 break;
1015         case CMD_ACT_BT_ACCESS_DEL:
1016                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1017                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1018                 break;
1019         case CMD_ACT_BT_ACCESS_LIST:
1020                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1021                 break;
1022         case CMD_ACT_BT_ACCESS_RESET:
1023                 break;
1024         case CMD_ACT_BT_ACCESS_SET_INVERT:
1025                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1026                 break;
1027         case CMD_ACT_BT_ACCESS_GET_INVERT:
1028                 break;
1029         default:
1030                 break;
1031         }
1032         lbs_deb_leave(LBS_DEB_CMD);
1033         return 0;
1034 }
1035
1036 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1037                                struct cmd_ds_command *cmd,
1038                                u16 cmd_action, void *pdata_buf)
1039 {
1040         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1041         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1042
1043         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1044         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1045         cmd->result = 0;
1046
1047         if (pdata_buf)
1048                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1049         else
1050                 memset(fwt_access, 0, sizeof(*fwt_access));
1051
1052         fwt_access->action = cpu_to_le16(cmd_action);
1053
1054         lbs_deb_leave(LBS_DEB_CMD);
1055         return 0;
1056 }
1057
1058 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1059                     struct cmd_ds_mesh_access *cmd)
1060 {
1061         int ret;
1062
1063         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1064
1065         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1066         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1067         cmd->hdr.result = 0;
1068
1069         cmd->action = cpu_to_le16(cmd_action);
1070
1071         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1072
1073         lbs_deb_leave(LBS_DEB_CMD);
1074         return ret;
1075 }
1076 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1077
1078 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1079 {
1080         struct cmd_ds_mesh_config cmd;
1081
1082         memset(&cmd, 0, sizeof(cmd));
1083         cmd.action = cpu_to_le16(enable);
1084         cmd.channel = cpu_to_le16(chan);
1085         cmd.type = cpu_to_le16(priv->mesh_tlv);
1086         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1087
1088         if (enable) {
1089                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1090                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1091         }
1092         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1093                     enable, priv->mesh_tlv, chan,
1094                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1095         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1096 }
1097
1098 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1099                                 struct cmd_ds_command *cmd,
1100                                 u16 cmd_action)
1101 {
1102         struct cmd_ds_802_11_beacon_control
1103                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1104
1105         lbs_deb_enter(LBS_DEB_CMD);
1106         cmd->size =
1107             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1108                              + S_DS_GEN);
1109         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1110
1111         bcn_ctrl->action = cpu_to_le16(cmd_action);
1112         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1113         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1114
1115         lbs_deb_leave(LBS_DEB_CMD);
1116         return 0;
1117 }
1118
1119 static void lbs_queue_cmd(struct lbs_private *priv,
1120                           struct cmd_ctrl_node *cmdnode)
1121 {
1122         unsigned long flags;
1123         int addtail = 1;
1124
1125         lbs_deb_enter(LBS_DEB_HOST);
1126
1127         if (!cmdnode) {
1128                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1129                 goto done;
1130         }
1131         if (!cmdnode->cmdbuf->size) {
1132                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1133                 goto done;
1134         }
1135         cmdnode->result = 0;
1136
1137         /* Exit_PS command needs to be queued in the header always. */
1138         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1139                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1140
1141                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1142                         if (priv->psstate != PS_STATE_FULL_POWER)
1143                                 addtail = 0;
1144                 }
1145         }
1146
1147         spin_lock_irqsave(&priv->driver_lock, flags);
1148
1149         if (addtail)
1150                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1151         else
1152                 list_add(&cmdnode->list, &priv->cmdpendingq);
1153
1154         spin_unlock_irqrestore(&priv->driver_lock, flags);
1155
1156         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1157                      le16_to_cpu(cmdnode->cmdbuf->command));
1158
1159 done:
1160         lbs_deb_leave(LBS_DEB_HOST);
1161 }
1162
1163 static void lbs_submit_command(struct lbs_private *priv,
1164                                struct cmd_ctrl_node *cmdnode)
1165 {
1166         unsigned long flags;
1167         struct cmd_header *cmd;
1168         uint16_t cmdsize;
1169         uint16_t command;
1170         int timeo = 5 * HZ;
1171         int ret;
1172
1173         lbs_deb_enter(LBS_DEB_HOST);
1174
1175         cmd = cmdnode->cmdbuf;
1176
1177         spin_lock_irqsave(&priv->driver_lock, flags);
1178         priv->cur_cmd = cmdnode;
1179         priv->cur_cmd_retcode = 0;
1180         spin_unlock_irqrestore(&priv->driver_lock, flags);
1181
1182         cmdsize = le16_to_cpu(cmd->size);
1183         command = le16_to_cpu(cmd->command);
1184
1185         /* These commands take longer */
1186         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1187             command == CMD_802_11_AUTHENTICATE)
1188                 timeo = 10 * HZ;
1189
1190         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1191                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1192         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1193
1194         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1195
1196         if (ret) {
1197                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1198                 /* Let the timer kick in and retry, and potentially reset
1199                    the whole thing if the condition persists */
1200                 timeo = HZ;
1201         } else
1202                 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1203                             command, jiffies);
1204
1205         /* Setup the timer after transmit command */
1206         mod_timer(&priv->command_timer, jiffies + timeo);
1207
1208         lbs_deb_leave(LBS_DEB_HOST);
1209 }
1210
1211 static int lbs_cmd_mac_control(struct lbs_private *priv,
1212                                 struct cmd_ds_command *cmd)
1213 {
1214         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1215
1216         lbs_deb_enter(LBS_DEB_CMD);
1217
1218         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1219         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1220         mac->action = cpu_to_le16(priv->currentpacketfilter);
1221
1222         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1223                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1224
1225         lbs_deb_leave(LBS_DEB_CMD);
1226         return 0;
1227 }
1228
1229 /**
1230  *  This function inserts command node to cmdfreeq
1231  *  after cleans it. Requires priv->driver_lock held.
1232  */
1233 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1234                                          struct cmd_ctrl_node *cmdnode)
1235 {
1236         lbs_deb_enter(LBS_DEB_HOST);
1237
1238         if (!cmdnode)
1239                 goto out;
1240
1241         cmdnode->callback = NULL;
1242         cmdnode->callback_arg = 0;
1243
1244         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1245
1246         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1247  out:
1248         lbs_deb_leave(LBS_DEB_HOST);
1249 }
1250
1251 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1252         struct cmd_ctrl_node *ptempcmd)
1253 {
1254         unsigned long flags;
1255
1256         spin_lock_irqsave(&priv->driver_lock, flags);
1257         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1258         spin_unlock_irqrestore(&priv->driver_lock, flags);
1259 }
1260
1261 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1262                           int result)
1263 {
1264         if (cmd == priv->cur_cmd)
1265                 priv->cur_cmd_retcode = result;
1266
1267         cmd->result = result;
1268         cmd->cmdwaitqwoken = 1;
1269         wake_up_interruptible(&cmd->cmdwait_q);
1270
1271         if (!cmd->callback)
1272                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1273         priv->cur_cmd = NULL;
1274 }
1275
1276 int lbs_set_radio_control(struct lbs_private *priv)
1277 {
1278         int ret = 0;
1279         struct cmd_ds_802_11_radio_control cmd;
1280
1281         lbs_deb_enter(LBS_DEB_CMD);
1282
1283         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1284         cmd.action = cpu_to_le16(CMD_ACT_SET);
1285
1286         switch (priv->preamble) {
1287         case CMD_TYPE_SHORT_PREAMBLE:
1288                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1289                 break;
1290
1291         case CMD_TYPE_LONG_PREAMBLE:
1292                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1293                 break;
1294
1295         case CMD_TYPE_AUTO_PREAMBLE:
1296         default:
1297                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1298                 break;
1299         }
1300
1301         if (priv->radioon)
1302                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1303         else
1304                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1305
1306         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1307                     priv->preamble);
1308
1309         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1310
1311         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1312         return ret;
1313 }
1314
1315 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1316 {
1317         int ret = 0;
1318
1319         lbs_deb_enter(LBS_DEB_CMD);
1320
1321         /* Send MAC control command to station */
1322         ret = lbs_prepare_and_send_command(priv,
1323                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1324
1325         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1326         return ret;
1327 }
1328
1329 /**
1330  *  @brief This function prepare the command before send to firmware.
1331  *
1332  *  @param priv         A pointer to struct lbs_private structure
1333  *  @param cmd_no       command number
1334  *  @param cmd_action   command action: GET or SET
1335  *  @param wait_option  wait option: wait response or not
1336  *  @param cmd_oid      cmd oid: treated as sub command
1337  *  @param pdata_buf    A pointer to informaion buffer
1338  *  @return             0 or -1
1339  */
1340 int lbs_prepare_and_send_command(struct lbs_private *priv,
1341                           u16 cmd_no,
1342                           u16 cmd_action,
1343                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1344 {
1345         int ret = 0;
1346         struct cmd_ctrl_node *cmdnode;
1347         struct cmd_ds_command *cmdptr;
1348         unsigned long flags;
1349
1350         lbs_deb_enter(LBS_DEB_HOST);
1351
1352         if (!priv) {
1353                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1354                 ret = -1;
1355                 goto done;
1356         }
1357
1358         if (priv->surpriseremoved) {
1359                 lbs_deb_host("PREP_CMD: card removed\n");
1360                 ret = -1;
1361                 goto done;
1362         }
1363
1364         cmdnode = lbs_get_cmd_ctrl_node(priv);
1365
1366         if (cmdnode == NULL) {
1367                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1368
1369                 /* Wake up main thread to execute next command */
1370                 wake_up_interruptible(&priv->waitq);
1371                 ret = -1;
1372                 goto done;
1373         }
1374
1375         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1376
1377         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1378
1379         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1380
1381         /* Set sequence number, command and INT option */
1382         priv->seqnum++;
1383         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1384
1385         cmdptr->command = cpu_to_le16(cmd_no);
1386         cmdptr->result = 0;
1387
1388         switch (cmd_no) {
1389         case CMD_802_11_PS_MODE:
1390                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1391                 break;
1392
1393         case CMD_802_11_SCAN:
1394                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1395                 break;
1396
1397         case CMD_MAC_CONTROL:
1398                 ret = lbs_cmd_mac_control(priv, cmdptr);
1399                 break;
1400
1401         case CMD_802_11_ASSOCIATE:
1402         case CMD_802_11_REASSOCIATE:
1403                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1404                 break;
1405
1406         case CMD_802_11_DEAUTHENTICATE:
1407                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1408                 break;
1409
1410         case CMD_802_11_SET_WEP:
1411                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1412                 break;
1413
1414         case CMD_802_11_AD_HOC_START:
1415                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1416                 break;
1417         case CMD_CODE_DNLD:
1418                 break;
1419
1420         case CMD_802_11_RESET:
1421                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1422                 break;
1423
1424         case CMD_802_11_GET_LOG:
1425                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1426                 break;
1427
1428         case CMD_802_11_AUTHENTICATE:
1429                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1430                 break;
1431
1432         case CMD_802_11_GET_STAT:
1433                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1434                 break;
1435
1436         case CMD_802_11_SNMP_MIB:
1437                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1438                                                cmd_action, cmd_oid, pdata_buf);
1439                 break;
1440
1441         case CMD_MAC_REG_ACCESS:
1442         case CMD_BBP_REG_ACCESS:
1443         case CMD_RF_REG_ACCESS:
1444                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1445                 break;
1446
1447         case CMD_802_11_RF_TX_POWER:
1448                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1449                                                   cmd_action, pdata_buf);
1450                 break;
1451
1452         case CMD_802_11_RATE_ADAPT_RATESET:
1453                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1454                                                          cmdptr, cmd_action);
1455                 break;
1456
1457         case CMD_MAC_MULTICAST_ADR:
1458                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1459                 break;
1460
1461         case CMD_802_11_MONITOR_MODE:
1462                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1463                                           cmd_action, pdata_buf);
1464                 break;
1465
1466         case CMD_802_11_AD_HOC_JOIN:
1467                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1468                 break;
1469
1470         case CMD_802_11_RSSI:
1471                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1472                 break;
1473
1474         case CMD_802_11_AD_HOC_STOP:
1475                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1476                 break;
1477
1478         case CMD_802_11_ENABLE_RSN:
1479                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1480                                 pdata_buf);
1481                 break;
1482
1483         case CMD_802_11_KEY_MATERIAL:
1484                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1485                                 cmd_oid, pdata_buf);
1486                 break;
1487
1488         case CMD_802_11_PAIRWISE_TSC:
1489                 break;
1490         case CMD_802_11_GROUP_TSC:
1491                 break;
1492
1493         case CMD_802_11_MAC_ADDRESS:
1494                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1495                 break;
1496
1497         case CMD_802_11_EEPROM_ACCESS:
1498                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1499                                                     cmd_action, pdata_buf);
1500                 break;
1501
1502         case CMD_802_11_SET_AFC:
1503         case CMD_802_11_GET_AFC:
1504
1505                 cmdptr->command = cpu_to_le16(cmd_no);
1506                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1507                                            S_DS_GEN);
1508
1509                 memmove(&cmdptr->params.afc,
1510                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1511
1512                 ret = 0;
1513                 goto done;
1514
1515         case CMD_802_11D_DOMAIN_INFO:
1516                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1517                                                    cmd_no, cmd_action);
1518                 break;
1519
1520         case CMD_802_11_SLEEP_PARAMS:
1521                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1522                 break;
1523         case CMD_802_11_INACTIVITY_TIMEOUT:
1524                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1525                                                          cmd_action, pdata_buf);
1526                 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1527                 break;
1528
1529         case CMD_802_11_TPC_CFG:
1530                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1531                 cmdptr->size =
1532                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1533                                      S_DS_GEN);
1534
1535                 memmove(&cmdptr->params.tpccfg,
1536                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1537
1538                 ret = 0;
1539                 break;
1540         case CMD_802_11_LED_GPIO_CTRL:
1541                 {
1542                         struct mrvlietypes_ledgpio *gpio =
1543                             (struct mrvlietypes_ledgpio*)
1544                             cmdptr->params.ledgpio.data;
1545
1546                         memmove(&cmdptr->params.ledgpio,
1547                                 pdata_buf,
1548                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1549
1550                         cmdptr->command =
1551                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1552
1553 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1554                         cmdptr->size =
1555                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1556                                 + S_DS_GEN
1557                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1558                         gpio->header.len = gpio->header.len;
1559
1560                         ret = 0;
1561                         break;
1562                 }
1563         case CMD_802_11_SUBSCRIBE_EVENT:
1564                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1565                         cmd_action, pdata_buf);
1566                 break;
1567         case CMD_802_11_PWR_CFG:
1568                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1569                 cmdptr->size =
1570                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1571                                      S_DS_GEN);
1572                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1573                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1574
1575                 ret = 0;
1576                 break;
1577         case CMD_BT_ACCESS:
1578                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1579                 break;
1580
1581         case CMD_FWT_ACCESS:
1582                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1583                 break;
1584
1585         case CMD_GET_TSF:
1586                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1587                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1588                                            S_DS_GEN);
1589                 ret = 0;
1590                 break;
1591         case CMD_802_11_BEACON_CTRL:
1592                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1593                 break;
1594         default:
1595                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1596                 ret = -1;
1597                 break;
1598         }
1599
1600         /* return error, since the command preparation failed */
1601         if (ret != 0) {
1602                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1603                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1604                 ret = -1;
1605                 goto done;
1606         }
1607
1608         cmdnode->cmdwaitqwoken = 0;
1609
1610         lbs_queue_cmd(priv, cmdnode);
1611         wake_up_interruptible(&priv->waitq);
1612
1613         if (wait_option & CMD_OPTION_WAITFORRSP) {
1614                 lbs_deb_host("PREP_CMD: wait for response\n");
1615                 might_sleep();
1616                 wait_event_interruptible(cmdnode->cmdwait_q,
1617                                          cmdnode->cmdwaitqwoken);
1618         }
1619
1620         spin_lock_irqsave(&priv->driver_lock, flags);
1621         if (priv->cur_cmd_retcode) {
1622                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1623                        priv->cur_cmd_retcode);
1624                 priv->cur_cmd_retcode = 0;
1625                 ret = -1;
1626         }
1627         spin_unlock_irqrestore(&priv->driver_lock, flags);
1628
1629 done:
1630         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1631         return ret;
1632 }
1633 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1634
1635 /**
1636  *  @brief This function allocates the command buffer and link
1637  *  it to command free queue.
1638  *
1639  *  @param priv         A pointer to struct lbs_private structure
1640  *  @return             0 or -1
1641  */
1642 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1643 {
1644         int ret = 0;
1645         u32 bufsize;
1646         u32 i;
1647         struct cmd_ctrl_node *cmdarray;
1648
1649         lbs_deb_enter(LBS_DEB_HOST);
1650
1651         /* Allocate and initialize the command array */
1652         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1653         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1654                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1655                 ret = -1;
1656                 goto done;
1657         }
1658         priv->cmd_array = cmdarray;
1659
1660         /* Allocate and initialize each command buffer in the command array */
1661         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1662                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1663                 if (!cmdarray[i].cmdbuf) {
1664                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1665                         ret = -1;
1666                         goto done;
1667                 }
1668         }
1669
1670         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1671                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1672                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1673         }
1674         ret = 0;
1675
1676 done:
1677         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1678         return ret;
1679 }
1680
1681 /**
1682  *  @brief This function frees the command buffer.
1683  *
1684  *  @param priv         A pointer to struct lbs_private structure
1685  *  @return             0 or -1
1686  */
1687 int lbs_free_cmd_buffer(struct lbs_private *priv)
1688 {
1689         struct cmd_ctrl_node *cmdarray;
1690         unsigned int i;
1691
1692         lbs_deb_enter(LBS_DEB_HOST);
1693
1694         /* need to check if cmd array is allocated or not */
1695         if (priv->cmd_array == NULL) {
1696                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1697                 goto done;
1698         }
1699
1700         cmdarray = priv->cmd_array;
1701
1702         /* Release shared memory buffers */
1703         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1704                 if (cmdarray[i].cmdbuf) {
1705                         kfree(cmdarray[i].cmdbuf);
1706                         cmdarray[i].cmdbuf = NULL;
1707                 }
1708         }
1709
1710         /* Release cmd_ctrl_node */
1711         if (priv->cmd_array) {
1712                 kfree(priv->cmd_array);
1713                 priv->cmd_array = NULL;
1714         }
1715
1716 done:
1717         lbs_deb_leave(LBS_DEB_HOST);
1718         return 0;
1719 }
1720
1721 /**
1722  *  @brief This function gets a free command node if available in
1723  *  command free queue.
1724  *
1725  *  @param priv         A pointer to struct lbs_private structure
1726  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1727  */
1728 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1729 {
1730         struct cmd_ctrl_node *tempnode;
1731         unsigned long flags;
1732
1733         lbs_deb_enter(LBS_DEB_HOST);
1734
1735         if (!priv)
1736                 return NULL;
1737
1738         spin_lock_irqsave(&priv->driver_lock, flags);
1739
1740         if (!list_empty(&priv->cmdfreeq)) {
1741                 tempnode = list_first_entry(&priv->cmdfreeq,
1742                                             struct cmd_ctrl_node, list);
1743                 list_del(&tempnode->list);
1744         } else {
1745                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1746                 tempnode = NULL;
1747         }
1748
1749         spin_unlock_irqrestore(&priv->driver_lock, flags);
1750
1751         lbs_deb_leave(LBS_DEB_HOST);
1752         return tempnode;
1753 }
1754
1755 /**
1756  *  @brief This function cleans command node.
1757  *
1758  *  @param ptempnode    A pointer to cmdCtrlNode structure
1759  *  @return             n/a
1760  */
1761
1762 /**
1763  *  @brief This function initializes the command node.
1764  *
1765  *  @param priv         A pointer to struct lbs_private structure
1766  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1767  *  @param pdata_buf    A pointer to informaion buffer
1768  *  @return             0 or -1
1769  */
1770 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1771                                   struct cmd_ctrl_node *ptempnode,
1772                                   void *pdata_buf)
1773 {
1774         lbs_deb_enter(LBS_DEB_HOST);
1775
1776         if (!ptempnode)
1777                 return;
1778
1779         ptempnode->callback = NULL;
1780         ptempnode->callback_arg = (unsigned long)pdata_buf;
1781
1782         lbs_deb_leave(LBS_DEB_HOST);
1783 }
1784
1785 /**
1786  *  @brief This function executes next command in command
1787  *  pending queue. It will put fimware back to PS mode
1788  *  if applicable.
1789  *
1790  *  @param priv     A pointer to struct lbs_private structure
1791  *  @return        0 or -1
1792  */
1793 int lbs_execute_next_command(struct lbs_private *priv)
1794 {
1795         struct cmd_ctrl_node *cmdnode = NULL;
1796         struct cmd_header *cmd;
1797         unsigned long flags;
1798         int ret = 0;
1799
1800         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1801         // only caller to us is lbs_thread() and we get even when a
1802         // data packet is received
1803         lbs_deb_enter(LBS_DEB_THREAD);
1804
1805         spin_lock_irqsave(&priv->driver_lock, flags);
1806
1807         if (priv->cur_cmd) {
1808                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1809                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1810                 ret = -1;
1811                 goto done;
1812         }
1813
1814         if (!list_empty(&priv->cmdpendingq)) {
1815                 cmdnode = list_first_entry(&priv->cmdpendingq,
1816                                            struct cmd_ctrl_node, list);
1817         }
1818
1819         spin_unlock_irqrestore(&priv->driver_lock, flags);
1820
1821         if (cmdnode) {
1822                 cmd = cmdnode->cmdbuf;
1823
1824                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1825                         if ((priv->psstate == PS_STATE_SLEEP) ||
1826                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1827                                 lbs_deb_host(
1828                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1829                                        le16_to_cpu(cmd->command),
1830                                        priv->psstate);
1831                                 ret = -1;
1832                                 goto done;
1833                         }
1834                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1835                                      "0x%04x in psstate %d\n",
1836                                      le16_to_cpu(cmd->command), priv->psstate);
1837                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1838                         /*
1839                          * 1. Non-PS command:
1840                          * Queue it. set needtowakeup to TRUE if current state
1841                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1842                          * 2. PS command but not Exit_PS:
1843                          * Ignore it.
1844                          * 3. PS command Exit_PS:
1845                          * Set needtowakeup to TRUE if current state is SLEEP,
1846                          * otherwise send this command down to firmware
1847                          * immediately.
1848                          */
1849                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1850                                 /*  Prepare to send Exit PS,
1851                                  *  this non PS command will be sent later */
1852                                 if ((priv->psstate == PS_STATE_SLEEP)
1853                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1854                                     ) {
1855                                         /* w/ new scheme, it will not reach here.
1856                                            since it is blocked in main_thread. */
1857                                         priv->needtowakeup = 1;
1858                                 } else
1859                                         lbs_ps_wakeup(priv, 0);
1860
1861                                 ret = 0;
1862                                 goto done;
1863                         } else {
1864                                 /*
1865                                  * PS command. Ignore it if it is not Exit_PS.
1866                                  * otherwise send it down immediately.
1867                                  */
1868                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1869
1870                                 lbs_deb_host(
1871                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1872                                        psm->action);
1873                                 if (psm->action !=
1874                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1875                                         lbs_deb_host(
1876                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1877                                         list_del(&cmdnode->list);
1878                                         spin_lock_irqsave(&priv->driver_lock, flags);
1879                                         lbs_complete_command(priv, cmdnode, 0);
1880                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1881
1882                                         ret = 0;
1883                                         goto done;
1884                                 }
1885
1886                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1887                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1888                                         lbs_deb_host(
1889                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1890                                         list_del(&cmdnode->list);
1891                                         spin_lock_irqsave(&priv->driver_lock, flags);
1892                                         lbs_complete_command(priv, cmdnode, 0);
1893                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1894                                         priv->needtowakeup = 1;
1895
1896                                         ret = 0;
1897                                         goto done;
1898                                 }
1899
1900                                 lbs_deb_host(
1901                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1902                         }
1903                 }
1904                 list_del(&cmdnode->list);
1905                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1906                             le16_to_cpu(cmd->command));
1907                 lbs_submit_command(priv, cmdnode);
1908         } else {
1909                 /*
1910                  * check if in power save mode, if yes, put the device back
1911                  * to PS mode
1912                  */
1913                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1914                     (priv->psstate == PS_STATE_FULL_POWER) &&
1915                     ((priv->connect_status == LBS_CONNECTED) ||
1916                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1917                         if (priv->secinfo.WPAenabled ||
1918                             priv->secinfo.WPA2enabled) {
1919                                 /* check for valid WPA group keys */
1920                                 if (priv->wpa_mcast_key.len ||
1921                                     priv->wpa_unicast_key.len) {
1922                                         lbs_deb_host(
1923                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1924                                                " go back to PS_SLEEP");
1925                                         lbs_ps_sleep(priv, 0);
1926                                 }
1927                         } else {
1928                                 lbs_deb_host(
1929                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1930                                        "go back to PS_SLEEP");
1931                                 lbs_ps_sleep(priv, 0);
1932                         }
1933                 }
1934         }
1935
1936         ret = 0;
1937 done:
1938         lbs_deb_leave(LBS_DEB_THREAD);
1939         return ret;
1940 }
1941
1942 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1943 {
1944         union iwreq_data iwrq;
1945         u8 buf[50];
1946
1947         lbs_deb_enter(LBS_DEB_WEXT);
1948
1949         memset(&iwrq, 0, sizeof(union iwreq_data));
1950         memset(buf, 0, sizeof(buf));
1951
1952         snprintf(buf, sizeof(buf) - 1, "%s", str);
1953
1954         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1955
1956         /* Send Event to upper layer */
1957         lbs_deb_wext("event indication string %s\n", (char *)buf);
1958         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1959         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1960
1961         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1962
1963         lbs_deb_leave(LBS_DEB_WEXT);
1964 }
1965
1966 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1967 {
1968         unsigned long flags;
1969         int ret = 0;
1970
1971         lbs_deb_enter(LBS_DEB_HOST);
1972
1973         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1974                size);
1975
1976         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1977
1978         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1979
1980         spin_lock_irqsave(&priv->driver_lock, flags);
1981         if (priv->intcounter || priv->currenttxskb)
1982                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1983                        priv->intcounter, priv->currenttxskb);
1984         spin_unlock_irqrestore(&priv->driver_lock, flags);
1985
1986         if (ret) {
1987                 lbs_pr_alert(
1988                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1989         } else {
1990                 spin_lock_irqsave(&priv->driver_lock, flags);
1991                 if (!priv->intcounter) {
1992                         priv->psstate = PS_STATE_SLEEP;
1993                 } else {
1994                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1995                                priv->intcounter);
1996                 }
1997                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1998
1999                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2000         }
2001
2002         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2003         return ret;
2004 }
2005
2006 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2007 {
2008         lbs_deb_enter(LBS_DEB_HOST);
2009
2010         /*
2011          * PS is currently supported only in Infrastructure mode
2012          * Remove this check if it is to be supported in IBSS mode also
2013          */
2014
2015         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2016                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2017
2018         lbs_deb_leave(LBS_DEB_HOST);
2019 }
2020
2021 /**
2022  *  @brief This function sends Exit_PS command to firmware.
2023  *
2024  *  @param priv         A pointer to struct lbs_private structure
2025  *  @param wait_option  wait response or not
2026  *  @return             n/a
2027  */
2028 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2029 {
2030         __le32 Localpsmode;
2031
2032         lbs_deb_enter(LBS_DEB_HOST);
2033
2034         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2035
2036         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2037                               CMD_SUBCMD_EXIT_PS,
2038                               wait_option, 0, &Localpsmode);
2039
2040         lbs_deb_leave(LBS_DEB_HOST);
2041 }
2042
2043 /**
2044  *  @brief This function checks condition and prepares to
2045  *  send sleep confirm command to firmware if ok.
2046  *
2047  *  @param priv         A pointer to struct lbs_private structure
2048  *  @param psmode       Power Saving mode
2049  *  @return             n/a
2050  */
2051 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2052 {
2053         unsigned long flags =0;
2054         u8 allowed = 1;
2055
2056         lbs_deb_enter(LBS_DEB_HOST);
2057
2058         if (priv->dnld_sent) {
2059                 allowed = 0;
2060                 lbs_deb_host("dnld_sent was set\n");
2061         }
2062
2063         spin_lock_irqsave(&priv->driver_lock, flags);
2064         if (priv->cur_cmd) {
2065                 allowed = 0;
2066                 lbs_deb_host("cur_cmd was set\n");
2067         }
2068         if (priv->intcounter > 0) {
2069                 allowed = 0;
2070                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2071         }
2072         spin_unlock_irqrestore(&priv->driver_lock, flags);
2073
2074         if (allowed) {
2075                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2076                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2077                                  sizeof(struct PS_CMD_ConfirmSleep));
2078         } else {
2079                 lbs_deb_host("sleep confirm has been delayed\n");
2080         }
2081
2082         lbs_deb_leave(LBS_DEB_HOST);
2083 }
2084
2085
2086 /**
2087  *  @brief Simple callback that copies response back into command
2088  *
2089  *  @param priv         A pointer to struct lbs_private structure
2090  *  @param extra        A pointer to the original command structure for which
2091  *                      'resp' is a response
2092  *  @param resp         A pointer to the command response
2093  *
2094  *  @return             0 on success, error on failure
2095  */
2096 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2097                      struct cmd_header *resp)
2098 {
2099         struct cmd_header *buf = (void *)extra;
2100         uint16_t copy_len;
2101
2102         lbs_deb_enter(LBS_DEB_CMD);
2103
2104         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2105         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2106                     "copy back buffer was %u bytes\n", copy_len,
2107                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2108         memcpy(buf, resp, copy_len);
2109
2110         lbs_deb_leave(LBS_DEB_CMD);
2111         return 0;
2112 }
2113 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2114
2115 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2116                                       struct cmd_header *in_cmd, int in_cmd_size,
2117                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2118                                       unsigned long callback_arg)
2119 {
2120         struct cmd_ctrl_node *cmdnode;
2121
2122         lbs_deb_enter(LBS_DEB_HOST);
2123
2124         if (priv->surpriseremoved) {
2125                 lbs_deb_host("PREP_CMD: card removed\n");
2126                 cmdnode = ERR_PTR(-ENOENT);
2127                 goto done;
2128         }
2129
2130         cmdnode = lbs_get_cmd_ctrl_node(priv);
2131         if (cmdnode == NULL) {
2132                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2133
2134                 /* Wake up main thread to execute next command */
2135                 wake_up_interruptible(&priv->waitq);
2136                 cmdnode = ERR_PTR(-ENOBUFS);
2137                 goto done;
2138         }
2139
2140         cmdnode->callback = callback;
2141         cmdnode->callback_arg = callback_arg;
2142
2143         /* Copy the incoming command to the buffer */
2144         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2145
2146         /* Set sequence number, clean result, move to buffer */
2147         priv->seqnum++;
2148         cmdnode->cmdbuf->command = cpu_to_le16(command);
2149         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2150         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2151         cmdnode->cmdbuf->result  = 0;
2152
2153         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2154
2155         /* here was the big old switch() statement, which is now obsolete,
2156          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2157
2158         cmdnode->cmdwaitqwoken = 0;
2159         lbs_queue_cmd(priv, cmdnode);
2160         wake_up_interruptible(&priv->waitq);
2161
2162  done:
2163         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2164         return cmdnode;
2165 }
2166
2167 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2168               struct cmd_header *in_cmd, int in_cmd_size,
2169               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2170               unsigned long callback_arg)
2171 {
2172         struct cmd_ctrl_node *cmdnode;
2173         unsigned long flags;
2174         int ret = 0;
2175
2176         lbs_deb_enter(LBS_DEB_HOST);
2177
2178         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2179                                   callback, callback_arg);
2180         if (IS_ERR(cmdnode)) {
2181                 ret = PTR_ERR(cmdnode);
2182                 goto done;
2183         }
2184
2185         might_sleep();
2186         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2187
2188         spin_lock_irqsave(&priv->driver_lock, flags);
2189         ret = cmdnode->result;
2190         if (ret)
2191                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2192                             command, ret);
2193
2194         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2195         spin_unlock_irqrestore(&priv->driver_lock, flags);
2196
2197 done:
2198         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2199         return ret;
2200 }
2201 EXPORT_SYMBOL_GPL(__lbs_cmd);
2202
2203