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 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 115 {
 116         struct cmd_ds_host_sleep cmd_config;
 117         int ret;
 118
 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_radio_control(struct lbs_private *priv,
 607                                          struct cmd_ds_command *cmd,
 608                                          int cmd_action)
 609 {
 610         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 611
 612         lbs_deb_enter(LBS_DEB_CMD);
 613
 614         cmd->size =
 615             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 616                              S_DS_GEN);
 617         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 618
 619         pradiocontrol->action = cpu_to_le16(cmd_action);
 620
 621         switch (priv->preamble) {
 622         case CMD_TYPE_SHORT_PREAMBLE:
 623                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 624                 break;
 625
 626         case CMD_TYPE_LONG_PREAMBLE:
 627                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 628                 break;
 629
 630         case CMD_TYPE_AUTO_PREAMBLE:
 631         default:
 632                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 633                 break;
 634         }
 635
 636         if (priv->radioon)
 637                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 638         else
 639                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 640
 641         lbs_deb_leave(LBS_DEB_CMD);
 642         return 0;
 643 }
 644
 645 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 646                                        struct cmd_ds_command *cmd,
 647                                        u16 cmd_action, void *pdata_buf)
 648 {
 649
 650         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 651
 652         lbs_deb_enter(LBS_DEB_CMD);
 653
 654         cmd->size =
 655             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 656         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 657         prtp->action = cpu_to_le16(cmd_action);
 658
 659         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 660                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 661                     le16_to_cpu(prtp->action));
 662
 663         switch (cmd_action) {
 664         case CMD_ACT_TX_POWER_OPT_GET:
 665                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 666                 prtp->currentlevel = 0;
 667                 break;
 668
 669         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 670                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 671                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 672                 break;
 673
 674         case CMD_ACT_TX_POWER_OPT_SET_MID:
 675                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 676                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 677                 break;
 678
 679         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 680                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 681                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 682                 break;
 683         }
 684
 685         lbs_deb_leave(LBS_DEB_CMD);
 686         return 0;
 687 }
 688
 689 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 690                                       struct cmd_ds_command *cmd,
 691                                       u16 cmd_action, void *pdata_buf)
 692 {
 693         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 694
 695         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 696         cmd->size =
 697             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 698                              S_DS_GEN);
 699
 700         monitor->action = cpu_to_le16(cmd_action);
 701         if (cmd_action == CMD_ACT_SET) {
 702                 monitor->mode =
 703                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 704         }
 705
 706         return 0;
 707 }
 708
 709 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 710                                               struct cmd_ds_command *cmd,
 711                                               u16 cmd_action)
 712 {
 713         struct cmd_ds_802_11_rate_adapt_rateset
 714         *rateadapt = &cmd->params.rateset;
 715
 716         lbs_deb_enter(LBS_DEB_CMD);
 717         cmd->size =
 718             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 719                              + S_DS_GEN);
 720         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 721
 722         rateadapt->action = cpu_to_le16(cmd_action);
 723         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 724         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 725
 726         lbs_deb_leave(LBS_DEB_CMD);
 727         return 0;
 728 }
 729
 730 /**
 731  *  @brief Get the current data rate
 732  *
 733  *  @param priv         A pointer to struct lbs_private structure
 734  *
 735  *  @return             The data rate on success, error on failure
 736  */
 737 int lbs_get_data_rate(struct lbs_private *priv)
 738 {
 739         struct cmd_ds_802_11_data_rate cmd;
 740         int ret = -1;
 741
 742         lbs_deb_enter(LBS_DEB_CMD);
 743
 744         memset(&cmd, 0, sizeof(cmd));
 745         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 746         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 747
 748         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 749         if (ret)
 750                 goto out;
 751
 752         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 753
 754         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 755         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 756
 757 out:
 758         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 759         return ret;
 760 }
 761
 762 /**
 763  *  @brief Set the data rate
 764  *
 765  *  @param priv         A pointer to struct lbs_private structure
 766  *  @param rate         The desired data rate, or 0 to clear a locked rate
 767  *
 768  *  @return             0 on success, error on failure
 769  */
 770 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 771 {
 772         struct cmd_ds_802_11_data_rate cmd;
 773         int ret = 0;
 774
 775         lbs_deb_enter(LBS_DEB_CMD);
 776
 777         memset(&cmd, 0, sizeof(cmd));
 778         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 779
 780         if (rate > 0) {
 781                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 782                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 783                 if (cmd.rates[0] == 0) {
 784                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 785                                     " 0x%02X\n", rate);
 786                         ret = 0;
 787                         goto out;
 788                 }
 789                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 790         } else {
 791                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 792                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 793         }
 794
 795         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 796         if (ret)
 797                 goto out;
 798
 799         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 800
 801         /* FIXME: get actual rates FW can do if this command actually returns
 802          * all data rates supported.
 803          */
 804         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 805         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 806
 807 out:
 808         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 809         return ret;
 810 }
 811
 812 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 813                                       struct cmd_ds_command *cmd,
 814                                       u16 cmd_action)
 815 {
 816         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 817
 818         lbs_deb_enter(LBS_DEB_CMD);
 819         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 820                              S_DS_GEN);
 821         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 822
 823         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 824         pMCastAdr->action = cpu_to_le16(cmd_action);
 825         pMCastAdr->nr_of_adrs =
 826             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 827         memcpy(pMCastAdr->maclist, priv->multicastlist,
 828                priv->nr_of_multicastmacaddr * ETH_ALEN);
 829
 830         lbs_deb_leave(LBS_DEB_CMD);
 831         return 0;
 832 }
 833
 834 /**
 835  *  @brief Get the radio channel
 836  *
 837  *  @param priv         A pointer to struct lbs_private structure
 838  *
 839  *  @return             The channel on success, error on failure
 840  */
 841 int lbs_get_channel(struct lbs_private *priv)
 842 {
 843         struct cmd_ds_802_11_rf_channel cmd;
 844         int ret = 0;
 845
 846         lbs_deb_enter(LBS_DEB_CMD);
 847
 848         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 849         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 850
 851         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 852         if (ret)
 853                 goto out;
 854
 855         ret = le16_to_cpu(cmd.channel);
 856         lbs_deb_cmd("current radio channel is %d\n", ret);
 857
 858 out:
 859         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 860         return ret;
 861 }
 862
 863 /**
 864  *  @brief Set the radio channel
 865  *
 866  *  @param priv         A pointer to struct lbs_private structure
 867  *  @param channel      The desired channel, or 0 to clear a locked channel
 868  *
 869  *  @return             0 on success, error on failure
 870  */
 871 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 872 {
 873         struct cmd_ds_802_11_rf_channel cmd;
 874         u8 old_channel = priv->curbssparams.channel;
 875         int ret = 0;
 876
 877         lbs_deb_enter(LBS_DEB_CMD);
 878
 879         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 880         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 881         cmd.channel = cpu_to_le16(channel);
 882
 883         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 884         if (ret)
 885                 goto out;
 886
 887         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 888         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 889                 priv->curbssparams.channel);
 890
 891 out:
 892         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 893         return ret;
 894 }
 895
 896 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 897                                 struct cmd_ds_command *cmd)
 898 {
 899
 900         lbs_deb_enter(LBS_DEB_CMD);
 901         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 902         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 903         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 904
 905         /* reset Beacon SNR/NF/RSSI values */
 906         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 907         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 908         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 909         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 910         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 911         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 912
 913         lbs_deb_leave(LBS_DEB_CMD);
 914         return 0;
 915 }
 916
 917 static int lbs_cmd_reg_access(struct lbs_private *priv,
 918                                struct cmd_ds_command *cmdptr,
 919                                u8 cmd_action, void *pdata_buf)
 920 {
 921         struct lbs_offset_value *offval;
 922
 923         lbs_deb_enter(LBS_DEB_CMD);
 924
 925         offval = (struct lbs_offset_value *)pdata_buf;
 926
 927         switch (le16_to_cpu(cmdptr->command)) {
 928         case CMD_MAC_REG_ACCESS:
 929                 {
 930                         struct cmd_ds_mac_reg_access *macreg;
 931
 932                         cmdptr->size =
 933                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 934                                         + S_DS_GEN);
 935                         macreg =
 936                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 937                             macreg;
 938
 939                         macreg->action = cpu_to_le16(cmd_action);
 940                         macreg->offset = cpu_to_le16((u16) offval->offset);
 941                         macreg->value = cpu_to_le32(offval->value);
 942
 943                         break;
 944                 }
 945
 946         case CMD_BBP_REG_ACCESS:
 947                 {
 948                         struct cmd_ds_bbp_reg_access *bbpreg;
 949
 950                         cmdptr->size =
 951                             cpu_to_le16(sizeof
 952                                              (struct cmd_ds_bbp_reg_access)
 953                                              + S_DS_GEN);
 954                         bbpreg =
 955                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 956                             bbpreg;
 957
 958                         bbpreg->action = cpu_to_le16(cmd_action);
 959                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 960                         bbpreg->value = (u8) offval->value;
 961
 962                         break;
 963                 }
 964
 965         case CMD_RF_REG_ACCESS:
 966                 {
 967                         struct cmd_ds_rf_reg_access *rfreg;
 968
 969                         cmdptr->size =
 970                             cpu_to_le16(sizeof
 971                                              (struct cmd_ds_rf_reg_access) +
 972                                              S_DS_GEN);
 973                         rfreg =
 974                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 975                             rfreg;
 976
 977                         rfreg->action = cpu_to_le16(cmd_action);
 978                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 979                         rfreg->value = (u8) offval->value;
 980
 981                         break;
 982                 }
 983
 984         default:
 985                 break;
 986         }
 987
 988         lbs_deb_leave(LBS_DEB_CMD);
 989         return 0;
 990 }
 991
 992 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 993                                        struct cmd_ds_command *cmd,
 994                                        u16 cmd_action)
 995 {
 996
 997         lbs_deb_enter(LBS_DEB_CMD);
 998         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 999         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
1000                              S_DS_GEN);
1001         cmd->result = 0;
1002
1003         cmd->params.macadd.action = cpu_to_le16(cmd_action);
1004
1005         if (cmd_action == CMD_ACT_SET) {
1006                 memcpy(cmd->params.macadd.macadd,
1007                        priv->current_addr, ETH_ALEN);
1008                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
1009         }
1010
1011         lbs_deb_leave(LBS_DEB_CMD);
1012         return 0;
1013 }
1014
1015 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1016                                          struct cmd_ds_command *cmd,
1017                                          int cmd_action, void *pdata_buf)
1018 {
1019         struct lbs_ioctl_regrdwr *ea = pdata_buf;
1020
1021         lbs_deb_enter(LBS_DEB_CMD);
1022
1023         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1024         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1025                                 S_DS_GEN);
1026         cmd->result = 0;
1027
1028         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1029         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1030         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1031         cmd->params.rdeeprom.value = 0;
1032
1033         lbs_deb_leave(LBS_DEB_CMD);
1034         return 0;
1035 }
1036
1037 static int lbs_cmd_bt_access(struct lbs_private *priv,
1038                                struct cmd_ds_command *cmd,
1039                                u16 cmd_action, void *pdata_buf)
1040 {
1041         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1042         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1043
1044         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1045         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1046         cmd->result = 0;
1047         bt_access->action = cpu_to_le16(cmd_action);
1048
1049         switch (cmd_action) {
1050         case CMD_ACT_BT_ACCESS_ADD:
1051                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1052                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1053                 break;
1054         case CMD_ACT_BT_ACCESS_DEL:
1055                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1056                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1057                 break;
1058         case CMD_ACT_BT_ACCESS_LIST:
1059                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1060                 break;
1061         case CMD_ACT_BT_ACCESS_RESET:
1062                 break;
1063         case CMD_ACT_BT_ACCESS_SET_INVERT:
1064                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1065                 break;
1066         case CMD_ACT_BT_ACCESS_GET_INVERT:
1067                 break;
1068         default:
1069                 break;
1070         }
1071         lbs_deb_leave(LBS_DEB_CMD);
1072         return 0;
1073 }
1074
1075 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1076                                struct cmd_ds_command *cmd,
1077                                u16 cmd_action, void *pdata_buf)
1078 {
1079         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1080         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1081
1082         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1083         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1084         cmd->result = 0;
1085
1086         if (pdata_buf)
1087                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1088         else
1089                 memset(fwt_access, 0, sizeof(*fwt_access));
1090
1091         fwt_access->action = cpu_to_le16(cmd_action);
1092
1093         lbs_deb_leave(LBS_DEB_CMD);
1094         return 0;
1095 }
1096
1097 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1098                     struct cmd_ds_mesh_access *cmd)
1099 {
1100         int ret;
1101
1102         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1103
1104         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1105         cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1106         cmd->hdr.result = 0;
1107
1108         cmd->action = cpu_to_le16(cmd_action);
1109
1110         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1111
1112         lbs_deb_leave(LBS_DEB_CMD);
1113         return ret;
1114 }
1115 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1116
1117 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1118 {
1119         struct cmd_ds_mesh_config cmd;
1120
1121         memset(&cmd, 0, sizeof(cmd));
1122         cmd.action = cpu_to_le16(enable);
1123         cmd.channel = cpu_to_le16(chan);
1124         cmd.type = cpu_to_le16(priv->mesh_tlv);
1125
1126         if (enable) {
1127                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1128                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1129         }
1130         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1131                     enable, priv->mesh_tlv, chan,
1132                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1133         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1134 }
1135
1136 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1137                                 struct cmd_ds_command *cmd,
1138                                 u16 cmd_action)
1139 {
1140         struct cmd_ds_802_11_beacon_control
1141                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1142
1143         lbs_deb_enter(LBS_DEB_CMD);
1144         cmd->size =
1145             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1146                              + S_DS_GEN);
1147         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1148
1149         bcn_ctrl->action = cpu_to_le16(cmd_action);
1150         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1151         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1152
1153         lbs_deb_leave(LBS_DEB_CMD);
1154         return 0;
1155 }
1156
1157 /*
1158  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1159  * the command timer, because it does not account for queued commands.
1160  */
1161 void lbs_queue_cmd(struct lbs_private *priv,
1162         struct cmd_ctrl_node *cmdnode,
1163         u8 addtail)
1164 {
1165         unsigned long flags;
1166
1167         lbs_deb_enter(LBS_DEB_HOST);
1168
1169         if (!cmdnode || !cmdnode->cmdbuf) {
1170                 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1171                 goto done;
1172         }
1173
1174         /* Exit_PS command needs to be queued in the header always. */
1175         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1176                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1177
1178                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1179                         if (priv->psstate != PS_STATE_FULL_POWER)
1180                                 addtail = 0;
1181                 }
1182         }
1183
1184         spin_lock_irqsave(&priv->driver_lock, flags);
1185
1186         if (addtail)
1187                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1188         else
1189                 list_add(&cmdnode->list, &priv->cmdpendingq);
1190
1191         spin_unlock_irqrestore(&priv->driver_lock, flags);
1192
1193         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1194                le16_to_cpu(cmdnode->cmdbuf->command));
1195
1196 done:
1197         lbs_deb_leave(LBS_DEB_HOST);
1198 }
1199
1200 /*
1201  * TODO: Fix the issue when DownloadcommandToStation is being called the
1202  * second time when the command times out. All the cmdptr->xxx are in little
1203  * endian and therefore all the comparissions will fail.
1204  * For now - we are not performing the endian conversion the second time - but
1205  * for PS and DEEP_SLEEP we need to worry
1206  */
1207 static int DownloadcommandToStation(struct lbs_private *priv,
1208                                     struct cmd_ctrl_node *cmdnode)
1209 {
1210         unsigned long flags;
1211         struct cmd_header *cmd;
1212         int ret = -1;
1213         u16 cmdsize;
1214         u16 command;
1215
1216         lbs_deb_enter(LBS_DEB_HOST);
1217
1218         if (!priv || !cmdnode) {
1219                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1220                 goto done;
1221         }
1222
1223         cmd = cmdnode->cmdbuf;
1224
1225         spin_lock_irqsave(&priv->driver_lock, flags);
1226         if (!cmd || !cmd->size) {
1227                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1228                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1229                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1230                 goto done;
1231         }
1232
1233         priv->cur_cmd = cmdnode;
1234         priv->cur_cmd_retcode = 0;
1235         spin_unlock_irqrestore(&priv->driver_lock, flags);
1236
1237         cmdsize = le16_to_cpu(cmd->size);
1238         command = le16_to_cpu(cmd->command);
1239
1240         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1241                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1242         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1243
1244         cmdnode->cmdwaitqwoken = 0;
1245
1246         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1247
1248         if (ret != 0) {
1249                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1250                 spin_lock_irqsave(&priv->driver_lock, flags);
1251                 priv->cur_cmd_retcode = ret;
1252                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1253                 priv->cur_cmd = NULL;
1254                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1255                 goto done;
1256         }
1257
1258         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1259
1260         /* Setup the timer after transmit command */
1261         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1262             || command == CMD_802_11_ASSOCIATE)
1263                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1264         else
1265                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1266
1267         ret = 0;
1268
1269 done:
1270         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1271         return ret;
1272 }
1273
1274 static int lbs_cmd_mac_control(struct lbs_private *priv,
1275                                 struct cmd_ds_command *cmd)
1276 {
1277         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1278
1279         lbs_deb_enter(LBS_DEB_CMD);
1280
1281         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1282         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1283         mac->action = cpu_to_le16(priv->currentpacketfilter);
1284
1285         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1286                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1287
1288         lbs_deb_leave(LBS_DEB_CMD);
1289         return 0;
1290 }
1291
1292 /**
1293  *  This function inserts command node to cmdfreeq
1294  *  after cleans it. Requires priv->driver_lock held.
1295  */
1296 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1297         struct cmd_ctrl_node *ptempcmd)
1298 {
1299
1300         if (!ptempcmd)
1301                 return;
1302
1303         cleanup_cmdnode(ptempcmd);
1304         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1305 }
1306
1307 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1308         struct cmd_ctrl_node *ptempcmd)
1309 {
1310         unsigned long flags;
1311
1312         spin_lock_irqsave(&priv->driver_lock, flags);
1313         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1314         spin_unlock_irqrestore(&priv->driver_lock, flags);
1315 }
1316
1317 int lbs_set_radio_control(struct lbs_private *priv)
1318 {
1319         int ret = 0;
1320
1321         lbs_deb_enter(LBS_DEB_CMD);
1322
1323         ret = lbs_prepare_and_send_command(priv,
1324                                     CMD_802_11_RADIO_CONTROL,
1325                                     CMD_ACT_SET,
1326                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1327
1328         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1329                priv->radioon, priv->preamble);
1330
1331         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1332         return ret;
1333 }
1334
1335 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1336 {
1337         int ret = 0;
1338
1339         lbs_deb_enter(LBS_DEB_CMD);
1340
1341         /* Send MAC control command to station */
1342         ret = lbs_prepare_and_send_command(priv,
1343                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1344
1345         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1346         return ret;
1347 }
1348
1349 /**
1350  *  @brief This function prepare the command before send to firmware.
1351  *
1352  *  @param priv         A pointer to struct lbs_private structure
1353  *  @param cmd_no       command number
1354  *  @param cmd_action   command action: GET or SET
1355  *  @param wait_option  wait option: wait response or not
1356  *  @param cmd_oid      cmd oid: treated as sub command
1357  *  @param pdata_buf    A pointer to informaion buffer
1358  *  @return             0 or -1
1359  */
1360 int lbs_prepare_and_send_command(struct lbs_private *priv,
1361                           u16 cmd_no,
1362                           u16 cmd_action,
1363                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1364 {
1365         int ret = 0;
1366         struct cmd_ctrl_node *cmdnode;
1367         struct cmd_ds_command *cmdptr;
1368         unsigned long flags;
1369
1370         lbs_deb_enter(LBS_DEB_HOST);
1371
1372         if (!priv) {
1373                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1374                 ret = -1;
1375                 goto done;
1376         }
1377
1378         if (priv->surpriseremoved) {
1379                 lbs_deb_host("PREP_CMD: card removed\n");
1380                 ret = -1;
1381                 goto done;
1382         }
1383
1384         cmdnode = lbs_get_cmd_ctrl_node(priv);
1385
1386         if (cmdnode == NULL) {
1387                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1388
1389                 /* Wake up main thread to execute next command */
1390                 wake_up_interruptible(&priv->waitq);
1391                 ret = -1;
1392                 goto done;
1393         }
1394
1395         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1396
1397         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1398
1399         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1400
1401         if (!cmdptr) {
1402                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1403                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1404                 ret = -1;
1405                 goto done;
1406         }
1407
1408         /* Set sequence number, command and INT option */
1409         priv->seqnum++;
1410         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1411
1412         cmdptr->command = cpu_to_le16(cmd_no);
1413         cmdptr->result = 0;
1414
1415         switch (cmd_no) {
1416         case CMD_802_11_PS_MODE:
1417                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1418                 break;
1419
1420         case CMD_802_11_SCAN:
1421                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1422                 break;
1423
1424         case CMD_MAC_CONTROL:
1425                 ret = lbs_cmd_mac_control(priv, cmdptr);
1426                 break;
1427
1428         case CMD_802_11_ASSOCIATE:
1429         case CMD_802_11_REASSOCIATE:
1430                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1431                 break;
1432
1433         case CMD_802_11_DEAUTHENTICATE:
1434                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1435                 break;
1436
1437         case CMD_802_11_SET_WEP:
1438                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1439                 break;
1440
1441         case CMD_802_11_AD_HOC_START:
1442                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1443                 break;
1444         case CMD_CODE_DNLD:
1445                 break;
1446
1447         case CMD_802_11_RESET:
1448                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1449                 break;
1450
1451         case CMD_802_11_GET_LOG:
1452                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1453                 break;
1454
1455         case CMD_802_11_AUTHENTICATE:
1456                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1457                 break;
1458
1459         case CMD_802_11_GET_STAT:
1460                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1461                 break;
1462
1463         case CMD_802_11_SNMP_MIB:
1464                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1465                                                cmd_action, cmd_oid, pdata_buf);
1466                 break;
1467
1468         case CMD_MAC_REG_ACCESS:
1469         case CMD_BBP_REG_ACCESS:
1470         case CMD_RF_REG_ACCESS:
1471                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1472                 break;
1473
1474         case CMD_802_11_RF_TX_POWER:
1475                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1476                                                   cmd_action, pdata_buf);
1477                 break;
1478
1479         case CMD_802_11_RADIO_CONTROL:
1480                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1481                 break;
1482
1483         case CMD_802_11_RATE_ADAPT_RATESET:
1484                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1485                                                          cmdptr, cmd_action);
1486                 break;
1487
1488         case CMD_MAC_MULTICAST_ADR:
1489                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1490                 break;
1491
1492         case CMD_802_11_MONITOR_MODE:
1493                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1494                                           cmd_action, pdata_buf);
1495                 break;
1496
1497         case CMD_802_11_AD_HOC_JOIN:
1498                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1499                 break;
1500
1501         case CMD_802_11_RSSI:
1502                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1503                 break;
1504
1505         case CMD_802_11_AD_HOC_STOP:
1506                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1507                 break;
1508
1509         case CMD_802_11_ENABLE_RSN:
1510                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1511                                 pdata_buf);
1512                 break;
1513
1514         case CMD_802_11_KEY_MATERIAL:
1515                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1516                                 cmd_oid, pdata_buf);
1517                 break;
1518
1519         case CMD_802_11_PAIRWISE_TSC:
1520                 break;
1521         case CMD_802_11_GROUP_TSC:
1522                 break;
1523
1524         case CMD_802_11_MAC_ADDRESS:
1525                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1526                 break;
1527
1528         case CMD_802_11_EEPROM_ACCESS:
1529                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1530                                                     cmd_action, pdata_buf);
1531                 break;
1532
1533         case CMD_802_11_SET_AFC:
1534         case CMD_802_11_GET_AFC:
1535
1536                 cmdptr->command = cpu_to_le16(cmd_no);
1537                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1538                                            S_DS_GEN);
1539
1540                 memmove(&cmdptr->params.afc,
1541                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1542
1543                 ret = 0;
1544                 goto done;
1545
1546         case CMD_802_11D_DOMAIN_INFO:
1547                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1548                                                    cmd_no, cmd_action);
1549                 break;
1550
1551         case CMD_802_11_SLEEP_PARAMS:
1552                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1553                 break;
1554         case CMD_802_11_INACTIVITY_TIMEOUT:
1555                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1556                                                          cmd_action, pdata_buf);
1557                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1558                 break;
1559
1560         case CMD_802_11_TPC_CFG:
1561                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1562                 cmdptr->size =
1563                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1564                                      S_DS_GEN);
1565
1566                 memmove(&cmdptr->params.tpccfg,
1567                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1568
1569                 ret = 0;
1570                 break;
1571         case CMD_802_11_LED_GPIO_CTRL:
1572                 {
1573                         struct mrvlietypes_ledgpio *gpio =
1574                             (struct mrvlietypes_ledgpio*)
1575                             cmdptr->params.ledgpio.data;
1576
1577                         memmove(&cmdptr->params.ledgpio,
1578                                 pdata_buf,
1579                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1580
1581                         cmdptr->command =
1582                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1583
1584 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1585                         cmdptr->size =
1586                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1587                                 + S_DS_GEN
1588                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1589                         gpio->header.len = gpio->header.len;
1590
1591                         ret = 0;
1592                         break;
1593                 }
1594         case CMD_802_11_SUBSCRIBE_EVENT:
1595                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1596                         cmd_action, pdata_buf);
1597                 break;
1598         case CMD_802_11_PWR_CFG:
1599                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1600                 cmdptr->size =
1601                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1602                                      S_DS_GEN);
1603                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1604                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1605
1606                 ret = 0;
1607                 break;
1608         case CMD_BT_ACCESS:
1609                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1610                 break;
1611
1612         case CMD_FWT_ACCESS:
1613                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1614                 break;
1615
1616         case CMD_GET_TSF:
1617                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1618                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1619                                            S_DS_GEN);
1620                 ret = 0;
1621                 break;
1622         case CMD_802_11_BEACON_CTRL:
1623                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1624                 break;
1625         default:
1626                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1627                 ret = -1;
1628                 break;
1629         }
1630
1631         /* return error, since the command preparation failed */
1632         if (ret != 0) {
1633                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1634                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1635                 ret = -1;
1636                 goto done;
1637         }
1638
1639         cmdnode->cmdwaitqwoken = 0;
1640
1641         lbs_queue_cmd(priv, cmdnode, 1);
1642         wake_up_interruptible(&priv->waitq);
1643
1644         if (wait_option & CMD_OPTION_WAITFORRSP) {
1645                 lbs_deb_host("PREP_CMD: wait for response\n");
1646                 might_sleep();
1647                 wait_event_interruptible(cmdnode->cmdwait_q,
1648                                          cmdnode->cmdwaitqwoken);
1649         }
1650
1651         spin_lock_irqsave(&priv->driver_lock, flags);
1652         if (priv->cur_cmd_retcode) {
1653                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1654                        priv->cur_cmd_retcode);
1655                 priv->cur_cmd_retcode = 0;
1656                 ret = -1;
1657         }
1658         spin_unlock_irqrestore(&priv->driver_lock, flags);
1659
1660 done:
1661         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1662         return ret;
1663 }
1664 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1665
1666 /**
1667  *  @brief This function allocates the command buffer and link
1668  *  it to command free queue.
1669  *
1670  *  @param priv         A pointer to struct lbs_private structure
1671  *  @return             0 or -1
1672  */
1673 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1674 {
1675         int ret = 0;
1676         u32 bufsize;
1677         u32 i;
1678         struct cmd_ctrl_node *cmdarray;
1679
1680         lbs_deb_enter(LBS_DEB_HOST);
1681
1682         /* Allocate and initialize the command array */
1683         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1684         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1685                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1686                 ret = -1;
1687                 goto done;
1688         }
1689         priv->cmd_array = cmdarray;
1690
1691         /* Allocate and initialize each command buffer in the command array */
1692         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1693                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1694                 if (!cmdarray[i].cmdbuf) {
1695                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1696                         ret = -1;
1697                         goto done;
1698                 }
1699         }
1700
1701         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1702                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1703                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1704         }
1705         ret = 0;
1706
1707 done:
1708         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1709         return ret;
1710 }
1711
1712 /**
1713  *  @brief This function frees the command buffer.
1714  *
1715  *  @param priv         A pointer to struct lbs_private structure
1716  *  @return             0 or -1
1717  */
1718 int lbs_free_cmd_buffer(struct lbs_private *priv)
1719 {
1720         struct cmd_ctrl_node *cmdarray;
1721         unsigned int i;
1722
1723         lbs_deb_enter(LBS_DEB_HOST);
1724
1725         /* need to check if cmd array is allocated or not */
1726         if (priv->cmd_array == NULL) {
1727                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1728                 goto done;
1729         }
1730
1731         cmdarray = priv->cmd_array;
1732
1733         /* Release shared memory buffers */
1734         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1735                 if (cmdarray[i].cmdbuf) {
1736                         kfree(cmdarray[i].cmdbuf);
1737                         cmdarray[i].cmdbuf = NULL;
1738                 }
1739         }
1740
1741         /* Release cmd_ctrl_node */
1742         if (priv->cmd_array) {
1743                 kfree(priv->cmd_array);
1744                 priv->cmd_array = NULL;
1745         }
1746
1747 done:
1748         lbs_deb_leave(LBS_DEB_HOST);
1749         return 0;
1750 }
1751
1752 /**
1753  *  @brief This function gets a free command node if available in
1754  *  command free queue.
1755  *
1756  *  @param priv         A pointer to struct lbs_private structure
1757  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1758  */
1759 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1760 {
1761         struct cmd_ctrl_node *tempnode;
1762         unsigned long flags;
1763
1764         lbs_deb_enter(LBS_DEB_HOST);
1765
1766         if (!priv)
1767                 return NULL;
1768
1769         spin_lock_irqsave(&priv->driver_lock, flags);
1770
1771         if (!list_empty(&priv->cmdfreeq)) {
1772                 tempnode = list_first_entry(&priv->cmdfreeq,
1773                                             struct cmd_ctrl_node, list);
1774                 list_del(&tempnode->list);
1775         } else {
1776                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1777                 tempnode = NULL;
1778         }
1779
1780         spin_unlock_irqrestore(&priv->driver_lock, flags);
1781
1782         if (tempnode)
1783                 cleanup_cmdnode(tempnode);
1784
1785         lbs_deb_leave(LBS_DEB_HOST);
1786         return tempnode;
1787 }
1788
1789 /**
1790  *  @brief This function cleans command node.
1791  *
1792  *  @param ptempnode    A pointer to cmdCtrlNode structure
1793  *  @return             n/a
1794  */
1795 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1796 {
1797         lbs_deb_enter(LBS_DEB_HOST);
1798
1799         if (!cmdnode)
1800                 return;
1801         cmdnode->cmdwaitqwoken = 1;
1802         wake_up_interruptible(&cmdnode->cmdwait_q);
1803         cmdnode->wait_option = 0;
1804         cmdnode->pdata_buf = NULL;
1805         cmdnode->callback = NULL;
1806         cmdnode->callback_arg = 0;
1807
1808         if (cmdnode->cmdbuf != NULL)
1809                 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1810
1811         lbs_deb_leave(LBS_DEB_HOST);
1812 }
1813
1814 /**
1815  *  @brief This function initializes the command node.
1816  *
1817  *  @param priv         A pointer to struct lbs_private structure
1818  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1819  *  @param wait_option  wait option: wait response or not
1820  *  @param pdata_buf    A pointer to informaion buffer
1821  *  @return             0 or -1
1822  */
1823 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1824                                   struct cmd_ctrl_node *ptempnode,
1825                                   u16 wait_option, void *pdata_buf)
1826 {
1827         lbs_deb_enter(LBS_DEB_HOST);
1828
1829         if (!ptempnode)
1830                 return;
1831
1832         ptempnode->wait_option = wait_option;
1833         ptempnode->pdata_buf = pdata_buf;
1834         ptempnode->callback = NULL;
1835         ptempnode->callback_arg = 0;
1836
1837         lbs_deb_leave(LBS_DEB_HOST);
1838 }
1839
1840 /**
1841  *  @brief This function executes next command in command
1842  *  pending queue. It will put fimware back to PS mode
1843  *  if applicable.
1844  *
1845  *  @param priv     A pointer to struct lbs_private structure
1846  *  @return        0 or -1
1847  */
1848 int lbs_execute_next_command(struct lbs_private *priv)
1849 {
1850         struct cmd_ctrl_node *cmdnode = NULL;
1851         struct cmd_header *cmd;
1852         unsigned long flags;
1853         int ret = 0;
1854
1855         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1856         // only caller to us is lbs_thread() and we get even when a
1857         // data packet is received
1858         lbs_deb_enter(LBS_DEB_THREAD);
1859
1860         spin_lock_irqsave(&priv->driver_lock, flags);
1861
1862         if (priv->cur_cmd) {
1863                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1864                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1865                 ret = -1;
1866                 goto done;
1867         }
1868
1869         if (!list_empty(&priv->cmdpendingq)) {
1870                 cmdnode = list_first_entry(&priv->cmdpendingq,
1871                                            struct cmd_ctrl_node, list);
1872         }
1873
1874         spin_unlock_irqrestore(&priv->driver_lock, flags);
1875
1876         if (cmdnode) {
1877                 cmd = cmdnode->cmdbuf;
1878
1879                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1880                         if ((priv->psstate == PS_STATE_SLEEP) ||
1881                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1882                                 lbs_deb_host(
1883                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1884                                        le16_to_cpu(cmd->command),
1885                                        priv->psstate);
1886                                 ret = -1;
1887                                 goto done;
1888                         }
1889                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1890                                      "0x%04x in psstate %d\n",
1891                                      le16_to_cpu(cmd->command), priv->psstate);
1892                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1893                         /*
1894                          * 1. Non-PS command:
1895                          * Queue it. set needtowakeup to TRUE if current state
1896                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1897                          * 2. PS command but not Exit_PS:
1898                          * Ignore it.
1899                          * 3. PS command Exit_PS:
1900                          * Set needtowakeup to TRUE if current state is SLEEP,
1901                          * otherwise send this command down to firmware
1902                          * immediately.
1903                          */
1904                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1905                                 /*  Prepare to send Exit PS,
1906                                  *  this non PS command will be sent later */
1907                                 if ((priv->psstate == PS_STATE_SLEEP)
1908                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1909                                     ) {
1910                                         /* w/ new scheme, it will not reach here.
1911                                            since it is blocked in main_thread. */
1912                                         priv->needtowakeup = 1;
1913                                 } else
1914                                         lbs_ps_wakeup(priv, 0);
1915
1916                                 ret = 0;
1917                                 goto done;
1918                         } else {
1919                                 /*
1920                                  * PS command. Ignore it if it is not Exit_PS.
1921                                  * otherwise send it down immediately.
1922                                  */
1923                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1924
1925                                 lbs_deb_host(
1926                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1927                                        psm->action);
1928                                 if (psm->action !=
1929                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1930                                         lbs_deb_host(
1931                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1932                                         list_del(&cmdnode->list);
1933                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1934
1935                                         ret = 0;
1936                                         goto done;
1937                                 }
1938
1939                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1940                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1941                                         lbs_deb_host(
1942                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1943                                         list_del(&cmdnode->list);
1944                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1945                                         priv->needtowakeup = 1;
1946
1947                                         ret = 0;
1948                                         goto done;
1949                                 }
1950
1951                                 lbs_deb_host(
1952                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1953                         }
1954                 }
1955                 list_del(&cmdnode->list);
1956                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1957                             le16_to_cpu(cmd->command));
1958                 DownloadcommandToStation(priv, cmdnode);
1959         } else {
1960                 /*
1961                  * check if in power save mode, if yes, put the device back
1962                  * to PS mode
1963                  */
1964                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1965                     (priv->psstate == PS_STATE_FULL_POWER) &&
1966                     ((priv->connect_status == LBS_CONNECTED) ||
1967                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1968                         if (priv->secinfo.WPAenabled ||
1969                             priv->secinfo.WPA2enabled) {
1970                                 /* check for valid WPA group keys */
1971                                 if (priv->wpa_mcast_key.len ||
1972                                     priv->wpa_unicast_key.len) {
1973                                         lbs_deb_host(
1974                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1975                                                " go back to PS_SLEEP");
1976                                         lbs_ps_sleep(priv, 0);
1977                                 }
1978                         } else {
1979                                 lbs_deb_host(
1980                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1981                                        "go back to PS_SLEEP");
1982                                 lbs_ps_sleep(priv, 0);
1983                         }
1984                 }
1985         }
1986
1987         ret = 0;
1988 done:
1989         lbs_deb_leave(LBS_DEB_THREAD);
1990         return ret;
1991 }
1992
1993 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1994 {
1995         union iwreq_data iwrq;
1996         u8 buf[50];
1997
1998         lbs_deb_enter(LBS_DEB_WEXT);
1999
2000         memset(&iwrq, 0, sizeof(union iwreq_data));
2001         memset(buf, 0, sizeof(buf));
2002
2003         snprintf(buf, sizeof(buf) - 1, "%s", str);
2004
2005         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
2006
2007         /* Send Event to upper layer */
2008         lbs_deb_wext("event indication string %s\n", (char *)buf);
2009         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
2010         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
2011
2012         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
2013
2014         lbs_deb_leave(LBS_DEB_WEXT);
2015 }
2016
2017 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
2018 {
2019         unsigned long flags;
2020         int ret = 0;
2021
2022         lbs_deb_enter(LBS_DEB_HOST);
2023
2024         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2025                size);
2026
2027         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2028
2029         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2030         priv->dnld_sent = DNLD_RES_RECEIVED;
2031
2032         spin_lock_irqsave(&priv->driver_lock, flags);
2033         if (priv->intcounter || priv->currenttxskb)
2034                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2035                        priv->intcounter, priv->currenttxskb);
2036         spin_unlock_irqrestore(&priv->driver_lock, flags);
2037
2038         if (ret) {
2039                 lbs_pr_alert(
2040                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2041         } else {
2042                 spin_lock_irqsave(&priv->driver_lock, flags);
2043                 if (!priv->intcounter) {
2044                         priv->psstate = PS_STATE_SLEEP;
2045                 } else {
2046                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2047                                priv->intcounter);
2048                 }
2049                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2050
2051                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2052         }
2053
2054         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2055         return ret;
2056 }
2057
2058 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2059 {
2060         lbs_deb_enter(LBS_DEB_HOST);
2061
2062         /*
2063          * PS is currently supported only in Infrastructure mode
2064          * Remove this check if it is to be supported in IBSS mode also
2065          */
2066
2067         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2068                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2069
2070         lbs_deb_leave(LBS_DEB_HOST);
2071 }
2072
2073 /**
2074  *  @brief This function sends Exit_PS command to firmware.
2075  *
2076  *  @param priv         A pointer to struct lbs_private structure
2077  *  @param wait_option  wait response or not
2078  *  @return             n/a
2079  */
2080 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2081 {
2082         __le32 Localpsmode;
2083
2084         lbs_deb_enter(LBS_DEB_HOST);
2085
2086         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2087
2088         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2089                               CMD_SUBCMD_EXIT_PS,
2090                               wait_option, 0, &Localpsmode);
2091
2092         lbs_deb_leave(LBS_DEB_HOST);
2093 }
2094
2095 /**
2096  *  @brief This function checks condition and prepares to
2097  *  send sleep confirm command to firmware if ok.
2098  *
2099  *  @param priv         A pointer to struct lbs_private structure
2100  *  @param psmode       Power Saving mode
2101  *  @return             n/a
2102  */
2103 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2104 {
2105         unsigned long flags =0;
2106         u8 allowed = 1;
2107
2108         lbs_deb_enter(LBS_DEB_HOST);
2109
2110         if (priv->dnld_sent) {
2111                 allowed = 0;
2112                 lbs_deb_host("dnld_sent was set\n");
2113         }
2114
2115         spin_lock_irqsave(&priv->driver_lock, flags);
2116         if (priv->cur_cmd) {
2117                 allowed = 0;
2118                 lbs_deb_host("cur_cmd was set\n");
2119         }
2120         if (priv->intcounter > 0) {
2121                 allowed = 0;
2122                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2123         }
2124         spin_unlock_irqrestore(&priv->driver_lock, flags);
2125
2126         if (allowed) {
2127                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2128                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2129                                  sizeof(struct PS_CMD_ConfirmSleep));
2130         } else {
2131                 lbs_deb_host("sleep confirm has been delayed\n");
2132         }
2133
2134         lbs_deb_leave(LBS_DEB_HOST);
2135 }
2136
2137
2138 /**
2139  *  @brief Simple callback that copies response back into command
2140  *
2141  *  @param priv         A pointer to struct lbs_private structure
2142  *  @param extra        A pointer to the original command structure for which
2143  *                      'resp' is a response
2144  *  @param resp         A pointer to the command response
2145  *
2146  *  @return             0 on success, error on failure
2147  */
2148 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2149                      struct cmd_header *resp)
2150 {
2151         struct cmd_header *buf = (void *)extra;
2152         uint16_t copy_len;
2153
2154         lbs_deb_enter(LBS_DEB_CMD);
2155
2156         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2157         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2158                     "copy back buffer was %u bytes\n", copy_len,
2159                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2160         memcpy(buf, resp, copy_len);
2161
2162         lbs_deb_leave(LBS_DEB_CMD);
2163         return 0;
2164 }
2165 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2166
2167 /**
2168  *  @brief Simple way to call firmware functions
2169  *
2170  *  @param priv         A pointer to struct lbs_private structure
2171  *  @param psmode       one of the many CMD_802_11_xxxx
2172  *  @param cmd          pointer to the parameters structure for above command
2173  *                      (this should not include the command, size, sequence
2174  *                      and result fields from struct cmd_ds_gen)
2175  *  @param cmd_size     size structure pointed to by cmd
2176  *  @param rsp          pointer to an area where the result should be placed
2177  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2178  *                      returns fewer bytes, then this *rsp_size will be
2179  *                      changed to the actual size.
2180  *  @return             -1 in case of a higher level error, otherwise
2181  *                      the result code from the firmware
2182  */
2183 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2184               struct cmd_header *in_cmd, int in_cmd_size,
2185               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2186               unsigned long callback_arg)
2187 {
2188         struct cmd_ctrl_node *cmdnode;
2189         unsigned long flags;
2190         int ret = 0;
2191
2192         lbs_deb_enter(LBS_DEB_HOST);
2193
2194         if (!priv) {
2195                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2196                 ret = -1;
2197                 goto done;
2198         }
2199
2200         if (priv->surpriseremoved) {
2201                 lbs_deb_host("PREP_CMD: card removed\n");
2202                 ret = -1;
2203                 goto done;
2204         }
2205
2206         cmdnode = lbs_get_cmd_ctrl_node(priv);
2207         if (cmdnode == NULL) {
2208                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2209
2210                 /* Wake up main thread to execute next command */
2211                 wake_up_interruptible(&priv->waitq);
2212                 ret = -1;
2213                 goto done;
2214         }
2215
2216         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2217         cmdnode->callback = callback;
2218         cmdnode->callback_arg = callback_arg;
2219
2220         /* Copy the incoming command to the buffer */
2221         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2222
2223         /* Set sequence number, clean result, move to buffer */
2224         priv->seqnum++;
2225         cmdnode->cmdbuf->command = cpu_to_le16(command);
2226         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2227         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2228         cmdnode->cmdbuf->result  = 0;
2229
2230         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2231
2232         /* here was the big old switch() statement, which is now obsolete,
2233          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2234
2235         cmdnode->cmdwaitqwoken = 0;
2236         lbs_queue_cmd(priv, cmdnode, 1);
2237         wake_up_interruptible(&priv->waitq);
2238
2239         might_sleep();
2240         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2241
2242         spin_lock_irqsave(&priv->driver_lock, flags);
2243         if (priv->cur_cmd_retcode) {
2244                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2245                        priv->cur_cmd_retcode);
2246                 priv->cur_cmd_retcode = 0;
2247                 ret = -1;
2248         }
2249         spin_unlock_irqrestore(&priv->driver_lock, flags);
2250
2251 done:
2252         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2253         return ret;
2254 }
2255 EXPORT_SYMBOL_GPL(__lbs_cmd);
2256
2257