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 Simple callback that copies response back into command
  24  *
  25  *  @param priv         A pointer to struct lbs_private structure
  26  *  @param extra        A pointer to the original command structure for which
  27  *                      'resp' is a response
  28  *  @param resp         A pointer to the command response
  29  *
  30  *  @return             0 on success, error on failure
  31  */
  32 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
  33                      struct cmd_header *resp)
  34 {
  35         struct cmd_header *buf = (void *)extra;
  36         uint16_t copy_len;
  37
  38         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
  39         memcpy(buf, resp, copy_len);
  40         return 0;
  41 }
  42 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
  43
  44 /**
  45  *  @brief Simple callback that ignores the result. Use this if
  46  *  you just want to send a command to the hardware, but don't
  47  *  care for the result.
  48  *
  49  *  @param priv         ignored
  50  *  @param extra        ignored
  51  *  @param resp         ignored
  52  *
  53  *  @return             0 for success
  54  */
  55 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
  56                      struct cmd_header *resp)
  57 {
  58         return 0;
  59 }
  60
  61
  62 /**
  63  *  @brief Checks whether a command is allowed in Power Save mode
  64  *
  65  *  @param command the command ID
  66  *  @return        1 if allowed, 0 if not allowed
  67  */
  68 static u8 is_command_allowed_in_ps(u16 cmd)
  69 {
  70         switch (cmd) {
  71         case CMD_802_11_RSSI:
  72                 return 1;
  73         default:
  74                 break;
  75         }
  76         return 0;
  77 }
  78
  79 /**
  80  *  @brief Updates the hardware details like MAC address and regulatory region
  81  *
  82  *  @param priv         A pointer to struct lbs_private structure
  83  *
  84  *  @return             0 on success, error on failure
  85  */
  86 int lbs_update_hw_spec(struct lbs_private *priv)
  87 {
  88         struct cmd_ds_get_hw_spec cmd;
  89         int ret = -1;
  90         u32 i;
  91         DECLARE_MAC_BUF(mac);
  92
  93         lbs_deb_enter(LBS_DEB_CMD);
  94
  95         memset(&cmd, 0, sizeof(cmd));
  96         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  97         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  98         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  99         if (ret)
 100                 goto out;
 101
 102         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
 103
 104         /* The firmware release is in an interesting format: the patch
 105          * level is in the most significant nibble ... so fix that: */
 106         priv->fwrelease = le32_to_cpu(cmd.fwrelease);
 107         priv->fwrelease = (priv->fwrelease << 8) |
 108                 (priv->fwrelease >> 24 & 0xff);
 109
 110         /* Some firmware capabilities:
 111          * CF card    firmware 5.0.16p0:   cap 0x00000303
 112          * USB dongle firmware 5.110.17p2: cap 0x00000303
 113          */
 114         printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
 115                 print_mac(mac, cmd.permanentaddr),
 116                 priv->fwrelease >> 24 & 0xff,
 117                 priv->fwrelease >> 16 & 0xff,
 118                 priv->fwrelease >>  8 & 0xff,
 119                 priv->fwrelease       & 0xff,
 120                 priv->fwcapinfo);
 121         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
 122                     cmd.hwifversion, cmd.version);
 123
 124         /* Clamp region code to 8-bit since FW spec indicates that it should
 125          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
 126          * returns non-zero high 8 bits here.
 127          */
 128         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
 129
 130         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
 131                 /* use the region code to search for the index */
 132                 if (priv->regioncode == lbs_region_code_to_index[i])
 133                         break;
 134         }
 135
 136         /* if it's unidentified region code, use the default (USA) */
 137         if (i >= MRVDRV_MAX_REGION_CODE) {
 138                 priv->regioncode = 0x10;
 139                 lbs_pr_info("unidentified region code; using the default (USA)\n");
 140         }
 141
 142         if (priv->current_addr[0] == 0xff)
 143                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
 144
 145         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
 146         if (priv->mesh_dev)
 147                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
 148
 149         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 150                 ret = -1;
 151                 goto out;
 152         }
 153
 154         if (lbs_set_universaltable(priv, 0)) {
 155                 ret = -1;
 156                 goto out;
 157         }
 158
 159 out:
 160         lbs_deb_leave(LBS_DEB_CMD);
 161         return ret;
 162 }
 163
 164 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 165 {
 166         struct cmd_ds_host_sleep cmd_config;
 167         int ret;
 168
 169         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 170         cmd_config.criteria = cpu_to_le32(criteria);
 171         cmd_config.gpio = priv->wol_gpio;
 172         cmd_config.gap = priv->wol_gap;
 173
 174         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 175         if (!ret) {
 176                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 177                 priv->wol_criteria = criteria;
 178         } else {
 179                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 180         }
 181
 182         return ret;
 183 }
 184 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 185
 186 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 187                                    struct cmd_ds_command *cmd,
 188                                    u16 cmd_action)
 189 {
 190         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 191
 192         lbs_deb_enter(LBS_DEB_CMD);
 193
 194         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 195         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 196                                 S_DS_GEN);
 197         psm->action = cpu_to_le16(cmd_action);
 198         psm->multipledtim = 0;
 199         switch (cmd_action) {
 200         case CMD_SUBCMD_ENTER_PS:
 201                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 202
 203                 psm->locallisteninterval = 0;
 204                 psm->nullpktinterval = 0;
 205                 psm->multipledtim =
 206                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 207                 break;
 208
 209         case CMD_SUBCMD_EXIT_PS:
 210                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 211                 break;
 212
 213         case CMD_SUBCMD_SLEEP_CONFIRMED:
 214                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 215                 break;
 216
 217         default:
 218                 break;
 219         }
 220
 221         lbs_deb_leave(LBS_DEB_CMD);
 222         return 0;
 223 }
 224
 225 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 226                                       uint16_t cmd_action, uint16_t *timeout)
 227 {
 228         struct cmd_ds_802_11_inactivity_timeout cmd;
 229         int ret;
 230
 231         lbs_deb_enter(LBS_DEB_CMD);
 232
 233         cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 234         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 235
 236         cmd.action = cpu_to_le16(cmd_action);
 237
 238         if (cmd_action == CMD_ACT_SET)
 239                 cmd.timeout = cpu_to_le16(*timeout);
 240         else
 241                 cmd.timeout = 0;
 242
 243         ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
 244
 245         if (!ret)
 246                 *timeout = le16_to_cpu(cmd.timeout);
 247
 248         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 249         return 0;
 250 }
 251
 252 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 253                                 struct sleep_params *sp)
 254 {
 255         struct cmd_ds_802_11_sleep_params cmd;
 256         int ret;
 257
 258         lbs_deb_enter(LBS_DEB_CMD);
 259
 260         if (cmd_action == CMD_ACT_GET) {
 261                 memset(&cmd, 0, sizeof(cmd));
 262         } else {
 263                 cmd.error = cpu_to_le16(sp->sp_error);
 264                 cmd.offset = cpu_to_le16(sp->sp_offset);
 265                 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
 266                 cmd.calcontrol = sp->sp_calcontrol;
 267                 cmd.externalsleepclk = sp->sp_extsleepclk;
 268                 cmd.reserved = cpu_to_le16(sp->sp_reserved);
 269         }
 270         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 271         cmd.action = cpu_to_le16(cmd_action);
 272
 273         ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
 274
 275         if (!ret) {
 276                 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
 277                             "calcontrol 0x%x extsleepclk 0x%x\n",
 278                             le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
 279                             le16_to_cpu(cmd.stabletime), cmd.calcontrol,
 280                             cmd.externalsleepclk);
 281
 282                 sp->sp_error = le16_to_cpu(cmd.error);
 283                 sp->sp_offset = le16_to_cpu(cmd.offset);
 284                 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
 285                 sp->sp_calcontrol = cmd.calcontrol;
 286                 sp->sp_extsleepclk = cmd.externalsleepclk;
 287                 sp->sp_reserved = le16_to_cpu(cmd.reserved);
 288         }
 289
 290         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 291         return 0;
 292 }
 293
 294 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 295                            struct assoc_request *assoc)
 296 {
 297         struct cmd_ds_802_11_set_wep cmd;
 298         int ret = 0;
 299
 300         lbs_deb_enter(LBS_DEB_CMD);
 301
 302         cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
 303         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 304
 305         cmd.action = cpu_to_le16(cmd_action);
 306
 307         if (cmd_action == CMD_ACT_ADD) {
 308                 int i;
 309
 310                 /* default tx key index */
 311                 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
 312                                            CMD_WEP_KEY_INDEX_MASK);
 313
 314                 /* Copy key types and material to host command structure */
 315                 for (i = 0; i < 4; i++) {
 316                         struct enc_key *pkey = &assoc->wep_keys[i];
 317
 318                         switch (pkey->len) {
 319                         case KEY_LEN_WEP_40:
 320                                 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
 321                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 322                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 323                                 break;
 324                         case KEY_LEN_WEP_104:
 325                                 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
 326                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 327                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 328                                 break;
 329                         case 0:
 330                                 break;
 331                         default:
 332                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 333                                             i, pkey->len);
 334                                 ret = -1;
 335                                 goto done;
 336                                 break;
 337                         }
 338                 }
 339         } else if (cmd_action == CMD_ACT_REMOVE) {
 340                 /* ACT_REMOVE clears _all_ WEP keys */
 341
 342                 /* default tx key index */
 343                 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
 344                                            CMD_WEP_KEY_INDEX_MASK);
 345                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 346         }
 347
 348         ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 349 done:
 350         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 351         return ret;
 352 }
 353
 354 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 355                               uint16_t *enable)
 356 {
 357         struct cmd_ds_802_11_enable_rsn cmd;
 358         int ret;
 359
 360         lbs_deb_enter(LBS_DEB_CMD);
 361
 362         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 363         cmd.action = cpu_to_le16(cmd_action);
 364
 365         if (cmd_action == CMD_ACT_SET) {
 366                 if (*enable)
 367                         cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 368                 else
 369                         cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 370                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 371         }
 372
 373         ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
 374         if (!ret && cmd_action == CMD_ACT_GET)
 375                 *enable = le16_to_cpu(cmd.enable);
 376
 377         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 378         return ret;
 379 }
 380
 381 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
 382                             struct enc_key *key)
 383 {
 384         lbs_deb_enter(LBS_DEB_CMD);
 385
 386         if (key->flags & KEY_INFO_WPA_ENABLED)
 387                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 388         if (key->flags & KEY_INFO_WPA_UNICAST)
 389                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 390         if (key->flags & KEY_INFO_WPA_MCAST)
 391                 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 392
 393         keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 394         keyparam->keytypeid = cpu_to_le16(key->type);
 395         keyparam->keylen = cpu_to_le16(key->len);
 396         memcpy(keyparam->key, key->key, key->len);
 397
 398         /* Length field doesn't include the {type,length} header */
 399         keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
 400         lbs_deb_leave(LBS_DEB_CMD);
 401 }
 402
 403 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
 404                                 struct assoc_request *assoc)
 405 {
 406         struct cmd_ds_802_11_key_material cmd;
 407         int ret = 0;
 408         int index = 0;
 409
 410         lbs_deb_enter(LBS_DEB_CMD);
 411
 412         cmd.action = cpu_to_le16(cmd_action);
 413         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 414
 415         if (cmd_action == CMD_ACT_GET) {
 416                 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
 417         } else {
 418                 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
 419
 420                 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
 421                         set_one_wpa_key(&cmd.keyParamSet[index],
 422                                         &assoc->wpa_unicast_key);
 423                         index++;
 424                 }
 425
 426                 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
 427                         set_one_wpa_key(&cmd.keyParamSet[index],
 428                                         &assoc->wpa_mcast_key);
 429                         index++;
 430                 }
 431
 432                 /* The common header and as many keys as we included */
 433                 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
 434                                                     keyParamSet[index]));
 435         }
 436         ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
 437         /* Copy the returned key to driver private data */
 438         if (!ret && cmd_action == CMD_ACT_GET) {
 439                 void *buf_ptr = cmd.keyParamSet;
 440                 void *resp_end = &(&cmd)[1];
 441
 442                 while (buf_ptr < resp_end) {
 443                         struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
 444                         struct enc_key *key;
 445                         uint16_t param_set_len = le16_to_cpu(keyparam->length);
 446                         uint16_t key_len = le16_to_cpu(keyparam->keylen);
 447                         uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
 448                         uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
 449                         void *end;
 450
 451                         end = (void *)keyparam + sizeof(keyparam->type)
 452                                 + sizeof(keyparam->length) + param_set_len;
 453
 454                         /* Make sure we don't access past the end of the IEs */
 455                         if (end > resp_end)
 456                                 break;
 457
 458                         if (key_flags & KEY_INFO_WPA_UNICAST)
 459                                 key = &priv->wpa_unicast_key;
 460                         else if (key_flags & KEY_INFO_WPA_MCAST)
 461                                 key = &priv->wpa_mcast_key;
 462                         else
 463                                 break;
 464
 465                         /* Copy returned key into driver */
 466                         memset(key, 0, sizeof(struct enc_key));
 467                         if (key_len > sizeof(key->key))
 468                                 break;
 469                         key->type = key_type;
 470                         key->flags = key_flags;
 471                         key->len = key_len;
 472                         memcpy(key->key, keyparam->key, key->len);
 473
 474                         buf_ptr = end + 1;
 475                 }
 476         }
 477
 478         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 479         return ret;
 480 }
 481
 482 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 483                                  struct cmd_ds_command *cmd, int cmd_action)
 484 {
 485         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 486
 487         lbs_deb_enter(LBS_DEB_CMD);
 488
 489         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 490         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 491         reset->action = cpu_to_le16(cmd_action);
 492
 493         lbs_deb_leave(LBS_DEB_CMD);
 494         return 0;
 495 }
 496
 497 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 498                                    struct cmd_ds_command *cmd)
 499 {
 500         lbs_deb_enter(LBS_DEB_CMD);
 501         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 502         cmd->size =
 503                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 504
 505         lbs_deb_leave(LBS_DEB_CMD);
 506         return 0;
 507 }
 508
 509 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 510                                     struct cmd_ds_command *cmd)
 511 {
 512         lbs_deb_enter(LBS_DEB_CMD);
 513         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 514         cmd->size =
 515             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 516
 517         lbs_deb_leave(LBS_DEB_CMD);
 518         return 0;
 519 }
 520
 521 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 522                                     struct cmd_ds_command *cmd,
 523                                     int cmd_action,
 524                                     int cmd_oid, void *pdata_buf)
 525 {
 526         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 527         u8 ucTemp;
 528
 529         lbs_deb_enter(LBS_DEB_CMD);
 530
 531         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 532
 533         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 534         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 535
 536         switch (cmd_oid) {
 537         case OID_802_11_INFRASTRUCTURE_MODE:
 538         {
 539                 u8 mode = (u8) (size_t) pdata_buf;
 540                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 541                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 542                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 543                 if (mode == IW_MODE_ADHOC) {
 544                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 545                 } else {
 546                         /* Infra and Auto modes */
 547                         ucTemp = SNMP_MIB_VALUE_INFRA;
 548                 }
 549
 550                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 551
 552                 break;
 553         }
 554
 555         case OID_802_11D_ENABLE:
 556                 {
 557                         u32 ulTemp;
 558
 559                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 560
 561                         if (cmd_action == CMD_ACT_SET) {
 562                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 563                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 564                                 ulTemp = *(u32 *)pdata_buf;
 565                                 *((__le16 *)(pSNMPMIB->value)) =
 566                                     cpu_to_le16((u16) ulTemp);
 567                         }
 568                         break;
 569                 }
 570
 571         case OID_802_11_FRAGMENTATION_THRESHOLD:
 572                 {
 573                         u32 ulTemp;
 574
 575                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_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                                 ulTemp = *((u32 *) pdata_buf);
 583                                 *((__le16 *)(pSNMPMIB->value)) =
 584                                     cpu_to_le16((u16) ulTemp);
 585
 586                         }
 587
 588                         break;
 589                 }
 590
 591         case OID_802_11_RTS_THRESHOLD:
 592                 {
 593
 594                         u32 ulTemp;
 595                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 596
 597                         if (cmd_action == CMD_ACT_GET) {
 598                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 599                         } else if (cmd_action == CMD_ACT_SET) {
 600                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 601                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 602                                 ulTemp = *((u32 *)pdata_buf);
 603                                 *(__le16 *)(pSNMPMIB->value) =
 604                                     cpu_to_le16((u16) ulTemp);
 605
 606                         }
 607                         break;
 608                 }
 609         case OID_802_11_TX_RETRYCOUNT:
 610                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 611
 612                 if (cmd_action == CMD_ACT_GET) {
 613                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 614                 } else if (cmd_action == CMD_ACT_SET) {
 615                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 616                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 617                         *((__le16 *)(pSNMPMIB->value)) =
 618                             cpu_to_le16((u16) priv->txretrycount);
 619                 }
 620
 621                 break;
 622         default:
 623                 break;
 624         }
 625
 626         lbs_deb_cmd(
 627                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 628                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 629                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 630
 631         lbs_deb_cmd(
 632                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 633                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 634                le16_to_cpu(pSNMPMIB->bufsize),
 635                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 636
 637         lbs_deb_leave(LBS_DEB_CMD);
 638         return 0;
 639 }
 640
 641 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 642                                        struct cmd_ds_command *cmd,
 643                                        u16 cmd_action, void *pdata_buf)
 644 {
 645
 646         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 647
 648         lbs_deb_enter(LBS_DEB_CMD);
 649
 650         cmd->size =
 651             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 652         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 653         prtp->action = cpu_to_le16(cmd_action);
 654
 655         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 656                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 657                     le16_to_cpu(prtp->action));
 658
 659         switch (cmd_action) {
 660         case CMD_ACT_TX_POWER_OPT_GET:
 661                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 662                 prtp->currentlevel = 0;
 663                 break;
 664
 665         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 666                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 667                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 668                 break;
 669
 670         case CMD_ACT_TX_POWER_OPT_SET_MID:
 671                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 672                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 673                 break;
 674
 675         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 676                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 677                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 678                 break;
 679         }
 680
 681         lbs_deb_leave(LBS_DEB_CMD);
 682         return 0;
 683 }
 684
 685 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 686                                       struct cmd_ds_command *cmd,
 687                                       u16 cmd_action, void *pdata_buf)
 688 {
 689         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 690
 691         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 692         cmd->size =
 693             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 694                              S_DS_GEN);
 695
 696         monitor->action = cpu_to_le16(cmd_action);
 697         if (cmd_action == CMD_ACT_SET) {
 698                 monitor->mode =
 699                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 700         }
 701
 702         return 0;
 703 }
 704
 705 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 706                                               struct cmd_ds_command *cmd,
 707                                               u16 cmd_action)
 708 {
 709         struct cmd_ds_802_11_rate_adapt_rateset
 710         *rateadapt = &cmd->params.rateset;
 711
 712         lbs_deb_enter(LBS_DEB_CMD);
 713         cmd->size =
 714             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 715                              + S_DS_GEN);
 716         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 717
 718         rateadapt->action = cpu_to_le16(cmd_action);
 719         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 720         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 721
 722         lbs_deb_leave(LBS_DEB_CMD);
 723         return 0;
 724 }
 725
 726 /**
 727  *  @brief Get the current data rate
 728  *
 729  *  @param priv         A pointer to struct lbs_private structure
 730  *
 731  *  @return             The data rate on success, error on failure
 732  */
 733 int lbs_get_data_rate(struct lbs_private *priv)
 734 {
 735         struct cmd_ds_802_11_data_rate cmd;
 736         int ret = -1;
 737
 738         lbs_deb_enter(LBS_DEB_CMD);
 739
 740         memset(&cmd, 0, sizeof(cmd));
 741         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 742         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 743
 744         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 745         if (ret)
 746                 goto out;
 747
 748         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 749
 750         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 751         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 752
 753 out:
 754         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 755         return ret;
 756 }
 757
 758 /**
 759  *  @brief Set the data rate
 760  *
 761  *  @param priv         A pointer to struct lbs_private structure
 762  *  @param rate         The desired data rate, or 0 to clear a locked rate
 763  *
 764  *  @return             0 on success, error on failure
 765  */
 766 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 767 {
 768         struct cmd_ds_802_11_data_rate cmd;
 769         int ret = 0;
 770
 771         lbs_deb_enter(LBS_DEB_CMD);
 772
 773         memset(&cmd, 0, sizeof(cmd));
 774         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 775
 776         if (rate > 0) {
 777                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 778                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 779                 if (cmd.rates[0] == 0) {
 780                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 781                                     " 0x%02X\n", rate);
 782                         ret = 0;
 783                         goto out;
 784                 }
 785                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 786         } else {
 787                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 788                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 789         }
 790
 791         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 792         if (ret)
 793                 goto out;
 794
 795         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 796
 797         /* FIXME: get actual rates FW can do if this command actually returns
 798          * all data rates supported.
 799          */
 800         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 801         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 802
 803 out:
 804         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 805         return ret;
 806 }
 807
 808 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 809                                       struct cmd_ds_command *cmd,
 810                                       u16 cmd_action)
 811 {
 812         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 813
 814         lbs_deb_enter(LBS_DEB_CMD);
 815         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 816                              S_DS_GEN);
 817         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 818
 819         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 820         pMCastAdr->action = cpu_to_le16(cmd_action);
 821         pMCastAdr->nr_of_adrs =
 822             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 823         memcpy(pMCastAdr->maclist, priv->multicastlist,
 824                priv->nr_of_multicastmacaddr * ETH_ALEN);
 825
 826         lbs_deb_leave(LBS_DEB_CMD);
 827         return 0;
 828 }
 829
 830 /**
 831  *  @brief Get the radio channel
 832  *
 833  *  @param priv         A pointer to struct lbs_private structure
 834  *
 835  *  @return             The channel on success, error on failure
 836  */
 837 int lbs_get_channel(struct lbs_private *priv)
 838 {
 839         struct cmd_ds_802_11_rf_channel cmd;
 840         int ret = 0;
 841
 842         lbs_deb_enter(LBS_DEB_CMD);
 843
 844         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 845         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 846
 847         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 848         if (ret)
 849                 goto out;
 850
 851         ret = le16_to_cpu(cmd.channel);
 852         lbs_deb_cmd("current radio channel is %d\n", ret);
 853
 854 out:
 855         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 856         return ret;
 857 }
 858
 859 /**
 860  *  @brief Set the radio channel
 861  *
 862  *  @param priv         A pointer to struct lbs_private structure
 863  *  @param channel      The desired channel, or 0 to clear a locked channel
 864  *
 865  *  @return             0 on success, error on failure
 866  */
 867 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 868 {
 869         struct cmd_ds_802_11_rf_channel cmd;
 870         u8 old_channel = priv->curbssparams.channel;
 871         int ret = 0;
 872
 873         lbs_deb_enter(LBS_DEB_CMD);
 874
 875         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 876         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 877         cmd.channel = cpu_to_le16(channel);
 878
 879         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 880         if (ret)
 881                 goto out;
 882
 883         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 884         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 885                 priv->curbssparams.channel);
 886
 887 out:
 888         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 889         return ret;
 890 }
 891
 892 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 893                                 struct cmd_ds_command *cmd)
 894 {
 895
 896         lbs_deb_enter(LBS_DEB_CMD);
 897         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 898         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 899         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 900
 901         /* reset Beacon SNR/NF/RSSI values */
 902         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 903         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 904         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 905         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 906         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 907         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 908
 909         lbs_deb_leave(LBS_DEB_CMD);
 910         return 0;
 911 }
 912
 913 static int lbs_cmd_reg_access(struct lbs_private *priv,
 914                                struct cmd_ds_command *cmdptr,
 915                                u8 cmd_action, void *pdata_buf)
 916 {
 917         struct lbs_offset_value *offval;
 918
 919         lbs_deb_enter(LBS_DEB_CMD);
 920
 921         offval = (struct lbs_offset_value *)pdata_buf;
 922
 923         switch (le16_to_cpu(cmdptr->command)) {
 924         case CMD_MAC_REG_ACCESS:
 925                 {
 926                         struct cmd_ds_mac_reg_access *macreg;
 927
 928                         cmdptr->size =
 929                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 930                                         + S_DS_GEN);
 931                         macreg =
 932                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 933                             macreg;
 934
 935                         macreg->action = cpu_to_le16(cmd_action);
 936                         macreg->offset = cpu_to_le16((u16) offval->offset);
 937                         macreg->value = cpu_to_le32(offval->value);
 938
 939                         break;
 940                 }
 941
 942         case CMD_BBP_REG_ACCESS:
 943                 {
 944                         struct cmd_ds_bbp_reg_access *bbpreg;
 945
 946                         cmdptr->size =
 947                             cpu_to_le16(sizeof
 948                                              (struct cmd_ds_bbp_reg_access)
 949                                              + S_DS_GEN);
 950                         bbpreg =
 951                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 952                             bbpreg;
 953
 954                         bbpreg->action = cpu_to_le16(cmd_action);
 955                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 956                         bbpreg->value = (u8) offval->value;
 957
 958                         break;
 959                 }
 960
 961         case CMD_RF_REG_ACCESS:
 962                 {
 963                         struct cmd_ds_rf_reg_access *rfreg;
 964
 965                         cmdptr->size =
 966                             cpu_to_le16(sizeof
 967                                              (struct cmd_ds_rf_reg_access) +
 968                                              S_DS_GEN);
 969                         rfreg =
 970                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 971                             rfreg;
 972
 973                         rfreg->action = cpu_to_le16(cmd_action);
 974                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 975                         rfreg->value = (u8) offval->value;
 976
 977                         break;
 978                 }
 979
 980         default:
 981                 break;
 982         }
 983
 984         lbs_deb_leave(LBS_DEB_CMD);
 985         return 0;
 986 }
 987
 988 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 989                                        struct cmd_ds_command *cmd,
 990                                        u16 cmd_action)
 991 {
 992
 993         lbs_deb_enter(LBS_DEB_CMD);
 994         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 995         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 996                              S_DS_GEN);
 997         cmd->result = 0;
 998
 999         cmd->params.macadd.action = cpu_to_le16(cmd_action);
1000
1001         if (cmd_action == CMD_ACT_SET) {
1002                 memcpy(cmd->params.macadd.macadd,
1003                        priv->current_addr, ETH_ALEN);
1004                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
1005         }
1006
1007         lbs_deb_leave(LBS_DEB_CMD);
1008         return 0;
1009 }
1010
1011 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1012                                          struct cmd_ds_command *cmd,
1013                                          int cmd_action, void *pdata_buf)
1014 {
1015         struct lbs_ioctl_regrdwr *ea = pdata_buf;
1016
1017         lbs_deb_enter(LBS_DEB_CMD);
1018
1019         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1020         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1021                                 S_DS_GEN);
1022         cmd->result = 0;
1023
1024         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1025         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1026         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1027         cmd->params.rdeeprom.value = 0;
1028
1029         lbs_deb_leave(LBS_DEB_CMD);
1030         return 0;
1031 }
1032
1033 static int lbs_cmd_bt_access(struct lbs_private *priv,
1034                                struct cmd_ds_command *cmd,
1035                                u16 cmd_action, void *pdata_buf)
1036 {
1037         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1038         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1039
1040         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1041         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1042         cmd->result = 0;
1043         bt_access->action = cpu_to_le16(cmd_action);
1044
1045         switch (cmd_action) {
1046         case CMD_ACT_BT_ACCESS_ADD:
1047                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1048                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1049                 break;
1050         case CMD_ACT_BT_ACCESS_DEL:
1051                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1052                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1053                 break;
1054         case CMD_ACT_BT_ACCESS_LIST:
1055                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1056                 break;
1057         case CMD_ACT_BT_ACCESS_RESET:
1058                 break;
1059         case CMD_ACT_BT_ACCESS_SET_INVERT:
1060                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1061                 break;
1062         case CMD_ACT_BT_ACCESS_GET_INVERT:
1063                 break;
1064         default:
1065                 break;
1066         }
1067         lbs_deb_leave(LBS_DEB_CMD);
1068         return 0;
1069 }
1070
1071 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1072                                struct cmd_ds_command *cmd,
1073                                u16 cmd_action, void *pdata_buf)
1074 {
1075         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1076         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1077
1078         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1079         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1080         cmd->result = 0;
1081
1082         if (pdata_buf)
1083                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1084         else
1085                 memset(fwt_access, 0, sizeof(*fwt_access));
1086
1087         fwt_access->action = cpu_to_le16(cmd_action);
1088
1089         lbs_deb_leave(LBS_DEB_CMD);
1090         return 0;
1091 }
1092
1093 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1094                     struct cmd_ds_mesh_access *cmd)
1095 {
1096         int ret;
1097
1098         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1099
1100         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1101         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1102         cmd->hdr.result = 0;
1103
1104         cmd->action = cpu_to_le16(cmd_action);
1105
1106         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1107
1108         lbs_deb_leave(LBS_DEB_CMD);
1109         return ret;
1110 }
1111
1112 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1113 {
1114         struct cmd_ds_mesh_config cmd;
1115
1116         memset(&cmd, 0, sizeof(cmd));
1117         cmd.action = cpu_to_le16(enable);
1118         cmd.channel = cpu_to_le16(chan);
1119         cmd.type = cpu_to_le16(priv->mesh_tlv);
1120         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1121
1122         if (enable) {
1123                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1124                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1125         }
1126         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1127                     enable, priv->mesh_tlv, chan,
1128                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1129         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1130 }
1131
1132 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1133                                 struct cmd_ds_command *cmd,
1134                                 u16 cmd_action)
1135 {
1136         struct cmd_ds_802_11_beacon_control
1137                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1138
1139         lbs_deb_enter(LBS_DEB_CMD);
1140         cmd->size =
1141             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1142                              + S_DS_GEN);
1143         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1144
1145         bcn_ctrl->action = cpu_to_le16(cmd_action);
1146         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1147         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1148
1149         lbs_deb_leave(LBS_DEB_CMD);
1150         return 0;
1151 }
1152
1153 static void lbs_queue_cmd(struct lbs_private *priv,
1154                           struct cmd_ctrl_node *cmdnode)
1155 {
1156         unsigned long flags;
1157         int addtail = 1;
1158
1159         lbs_deb_enter(LBS_DEB_HOST);
1160
1161         if (!cmdnode) {
1162                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1163                 goto done;
1164         }
1165         if (!cmdnode->cmdbuf->size) {
1166                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1167                 goto done;
1168         }
1169         cmdnode->result = 0;
1170
1171         /* Exit_PS command needs to be queued in the header always. */
1172         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1173                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1174
1175                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1176                         if (priv->psstate != PS_STATE_FULL_POWER)
1177                                 addtail = 0;
1178                 }
1179         }
1180
1181         spin_lock_irqsave(&priv->driver_lock, flags);
1182
1183         if (addtail)
1184                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1185         else
1186                 list_add(&cmdnode->list, &priv->cmdpendingq);
1187
1188         spin_unlock_irqrestore(&priv->driver_lock, flags);
1189
1190         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1191                      le16_to_cpu(cmdnode->cmdbuf->command));
1192
1193 done:
1194         lbs_deb_leave(LBS_DEB_HOST);
1195 }
1196
1197 static void lbs_submit_command(struct lbs_private *priv,
1198                                struct cmd_ctrl_node *cmdnode)
1199 {
1200         unsigned long flags;
1201         struct cmd_header *cmd;
1202         uint16_t cmdsize;
1203         uint16_t command;
1204         int timeo = 5 * HZ;
1205         int ret;
1206
1207         lbs_deb_enter(LBS_DEB_HOST);
1208
1209         cmd = cmdnode->cmdbuf;
1210
1211         spin_lock_irqsave(&priv->driver_lock, flags);
1212         priv->cur_cmd = cmdnode;
1213         priv->cur_cmd_retcode = 0;
1214         spin_unlock_irqrestore(&priv->driver_lock, flags);
1215
1216         cmdsize = le16_to_cpu(cmd->size);
1217         command = le16_to_cpu(cmd->command);
1218
1219         /* These commands take longer */
1220         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1221             command == CMD_802_11_AUTHENTICATE)
1222                 timeo = 10 * HZ;
1223
1224         lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1225                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1226         lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1227
1228         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1229
1230         if (ret) {
1231                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1232                 /* Let the timer kick in and retry, and potentially reset
1233                    the whole thing if the condition persists */
1234                 timeo = HZ;
1235         }
1236
1237         /* Setup the timer after transmit command */
1238         mod_timer(&priv->command_timer, jiffies + timeo);
1239
1240         lbs_deb_leave(LBS_DEB_HOST);
1241 }
1242
1243 /**
1244  *  This function inserts command node to cmdfreeq
1245  *  after cleans it. Requires priv->driver_lock held.
1246  */
1247 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1248                                          struct cmd_ctrl_node *cmdnode)
1249 {
1250         lbs_deb_enter(LBS_DEB_HOST);
1251
1252         if (!cmdnode)
1253                 goto out;
1254
1255         cmdnode->callback = NULL;
1256         cmdnode->callback_arg = 0;
1257
1258         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1259
1260         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1261  out:
1262         lbs_deb_leave(LBS_DEB_HOST);
1263 }
1264
1265 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1266         struct cmd_ctrl_node *ptempcmd)
1267 {
1268         unsigned long flags;
1269
1270         spin_lock_irqsave(&priv->driver_lock, flags);
1271         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1272         spin_unlock_irqrestore(&priv->driver_lock, flags);
1273 }
1274
1275 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1276                           int result)
1277 {
1278         if (cmd == priv->cur_cmd)
1279                 priv->cur_cmd_retcode = result;
1280
1281         cmd->result = result;
1282         cmd->cmdwaitqwoken = 1;
1283         wake_up_interruptible(&cmd->cmdwait_q);
1284
1285         if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1286                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1287         priv->cur_cmd = NULL;
1288 }
1289
1290 int lbs_set_radio_control(struct lbs_private *priv)
1291 {
1292         int ret = 0;
1293         struct cmd_ds_802_11_radio_control cmd;
1294
1295         lbs_deb_enter(LBS_DEB_CMD);
1296
1297         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1298         cmd.action = cpu_to_le16(CMD_ACT_SET);
1299
1300         switch (priv->preamble) {
1301         case CMD_TYPE_SHORT_PREAMBLE:
1302                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1303                 break;
1304
1305         case CMD_TYPE_LONG_PREAMBLE:
1306                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1307                 break;
1308
1309         case CMD_TYPE_AUTO_PREAMBLE:
1310         default:
1311                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1312                 break;
1313         }
1314
1315         if (priv->radioon)
1316                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1317         else
1318                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1319
1320         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1321                     priv->preamble);
1322
1323         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1324
1325         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1326         return ret;
1327 }
1328
1329 int lbs_set_mac_control(struct lbs_private *priv)
1330 {
1331         int ret = 0;
1332         struct cmd_ds_mac_control cmd;
1333
1334         lbs_deb_enter(LBS_DEB_CMD);
1335
1336         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1337         cmd.action = cpu_to_le16(priv->mac_control);
1338         cmd.reserved = 0;
1339
1340         ret = lbs_cmd_with_response(priv, CMD_MAC_CONTROL, &cmd);
1341
1342         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1343         return ret;
1344 }
1345
1346 /**
1347  *  @brief This function prepare the command before send to firmware.
1348  *
1349  *  @param priv         A pointer to struct lbs_private structure
1350  *  @param cmd_no       command number
1351  *  @param cmd_action   command action: GET or SET
1352  *  @param wait_option  wait option: wait response or not
1353  *  @param cmd_oid      cmd oid: treated as sub command
1354  *  @param pdata_buf    A pointer to informaion buffer
1355  *  @return             0 or -1
1356  */
1357 int lbs_prepare_and_send_command(struct lbs_private *priv,
1358                           u16 cmd_no,
1359                           u16 cmd_action,
1360                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1361 {
1362         int ret = 0;
1363         struct cmd_ctrl_node *cmdnode;
1364         struct cmd_ds_command *cmdptr;
1365         unsigned long flags;
1366
1367         lbs_deb_enter(LBS_DEB_HOST);
1368
1369         if (!priv) {
1370                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1371                 ret = -1;
1372                 goto done;
1373         }
1374
1375         if (priv->surpriseremoved) {
1376                 lbs_deb_host("PREP_CMD: card removed\n");
1377                 ret = -1;
1378                 goto done;
1379         }
1380
1381         cmdnode = lbs_get_cmd_ctrl_node(priv);
1382
1383         if (cmdnode == NULL) {
1384                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1385
1386                 /* Wake up main thread to execute next command */
1387                 wake_up_interruptible(&priv->waitq);
1388                 ret = -1;
1389                 goto done;
1390         }
1391
1392         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1393
1394         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1395
1396         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1397
1398         /* Set sequence number, command and INT option */
1399         priv->seqnum++;
1400         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1401
1402         cmdptr->command = cpu_to_le16(cmd_no);
1403         cmdptr->result = 0;
1404
1405         switch (cmd_no) {
1406         case CMD_802_11_PS_MODE:
1407                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1408                 break;
1409
1410         case CMD_802_11_ASSOCIATE:
1411         case CMD_802_11_REASSOCIATE:
1412                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1413                 break;
1414
1415         case CMD_802_11_DEAUTHENTICATE:
1416                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1417                 break;
1418
1419         case CMD_802_11_AD_HOC_START:
1420                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1421                 break;
1422
1423         case CMD_802_11_RESET:
1424                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1425                 break;
1426
1427         case CMD_802_11_GET_LOG:
1428                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1429                 break;
1430
1431         case CMD_802_11_AUTHENTICATE:
1432                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1433                 break;
1434
1435         case CMD_802_11_GET_STAT:
1436                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1437                 break;
1438
1439         case CMD_802_11_SNMP_MIB:
1440                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1441                                                cmd_action, cmd_oid, pdata_buf);
1442                 break;
1443
1444         case CMD_MAC_REG_ACCESS:
1445         case CMD_BBP_REG_ACCESS:
1446         case CMD_RF_REG_ACCESS:
1447                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1448                 break;
1449
1450         case CMD_802_11_RF_TX_POWER:
1451                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1452                                                   cmd_action, pdata_buf);
1453                 break;
1454
1455         case CMD_802_11_RATE_ADAPT_RATESET:
1456                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1457                                                          cmdptr, cmd_action);
1458                 break;
1459
1460         case CMD_MAC_MULTICAST_ADR:
1461                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1462                 break;
1463
1464         case CMD_802_11_MONITOR_MODE:
1465                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1466                                           cmd_action, pdata_buf);
1467                 break;
1468
1469         case CMD_802_11_AD_HOC_JOIN:
1470                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1471                 break;
1472
1473         case CMD_802_11_RSSI:
1474                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1475                 break;
1476
1477         case CMD_802_11_AD_HOC_STOP:
1478                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1479                 break;
1480
1481         case CMD_802_11_MAC_ADDRESS:
1482                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1483                 break;
1484
1485         case CMD_802_11_EEPROM_ACCESS:
1486                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1487                                                     cmd_action, pdata_buf);
1488                 break;
1489
1490         case CMD_802_11_SET_AFC:
1491         case CMD_802_11_GET_AFC:
1492
1493                 cmdptr->command = cpu_to_le16(cmd_no);
1494                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1495                                            S_DS_GEN);
1496
1497                 memmove(&cmdptr->params.afc,
1498                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1499
1500                 ret = 0;
1501                 goto done;
1502
1503         case CMD_802_11D_DOMAIN_INFO:
1504                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1505                                                    cmd_no, cmd_action);
1506                 break;
1507
1508         case CMD_802_11_TPC_CFG:
1509                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1510                 cmdptr->size =
1511                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1512                                      S_DS_GEN);
1513
1514                 memmove(&cmdptr->params.tpccfg,
1515                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1516
1517                 ret = 0;
1518                 break;
1519         case CMD_802_11_LED_GPIO_CTRL:
1520                 {
1521                         struct mrvlietypes_ledgpio *gpio =
1522                             (struct mrvlietypes_ledgpio*)
1523                             cmdptr->params.ledgpio.data;
1524
1525                         memmove(&cmdptr->params.ledgpio,
1526                                 pdata_buf,
1527                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1528
1529                         cmdptr->command =
1530                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1531
1532 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1533                         cmdptr->size =
1534                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1535                                 + S_DS_GEN
1536                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1537                         gpio->header.len = gpio->header.len;
1538
1539                         ret = 0;
1540                         break;
1541                 }
1542
1543         case CMD_802_11_PWR_CFG:
1544                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1545                 cmdptr->size =
1546                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1547                                      S_DS_GEN);
1548                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1549                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1550
1551                 ret = 0;
1552                 break;
1553         case CMD_BT_ACCESS:
1554                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1555                 break;
1556
1557         case CMD_FWT_ACCESS:
1558                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1559                 break;
1560
1561         case CMD_GET_TSF:
1562                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1563                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1564                                            S_DS_GEN);
1565                 ret = 0;
1566                 break;
1567         case CMD_802_11_BEACON_CTRL:
1568                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1569                 break;
1570         default:
1571                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1572                 ret = -1;
1573                 break;
1574         }
1575
1576         /* return error, since the command preparation failed */
1577         if (ret != 0) {
1578                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1579                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1580                 ret = -1;
1581                 goto done;
1582         }
1583
1584         cmdnode->cmdwaitqwoken = 0;
1585
1586         lbs_queue_cmd(priv, cmdnode);
1587         wake_up_interruptible(&priv->waitq);
1588
1589         if (wait_option & CMD_OPTION_WAITFORRSP) {
1590                 lbs_deb_host("PREP_CMD: wait for response\n");
1591                 might_sleep();
1592                 wait_event_interruptible(cmdnode->cmdwait_q,
1593                                          cmdnode->cmdwaitqwoken);
1594         }
1595
1596         spin_lock_irqsave(&priv->driver_lock, flags);
1597         if (priv->cur_cmd_retcode) {
1598                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1599                        priv->cur_cmd_retcode);
1600                 priv->cur_cmd_retcode = 0;
1601                 ret = -1;
1602         }
1603         spin_unlock_irqrestore(&priv->driver_lock, flags);
1604
1605 done:
1606         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1607         return ret;
1608 }
1609
1610 /**
1611  *  @brief This function allocates the command buffer and link
1612  *  it to command free queue.
1613  *
1614  *  @param priv         A pointer to struct lbs_private structure
1615  *  @return             0 or -1
1616  */
1617 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1618 {
1619         int ret = 0;
1620         u32 bufsize;
1621         u32 i;
1622         struct cmd_ctrl_node *cmdarray;
1623
1624         lbs_deb_enter(LBS_DEB_HOST);
1625
1626         /* Allocate and initialize the command array */
1627         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1628         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1629                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1630                 ret = -1;
1631                 goto done;
1632         }
1633         priv->cmd_array = cmdarray;
1634
1635         /* Allocate and initialize each command buffer in the command array */
1636         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1637                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1638                 if (!cmdarray[i].cmdbuf) {
1639                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1640                         ret = -1;
1641                         goto done;
1642                 }
1643         }
1644
1645         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1646                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1647                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1648         }
1649         ret = 0;
1650
1651 done:
1652         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1653         return ret;
1654 }
1655
1656 /**
1657  *  @brief This function frees the command buffer.
1658  *
1659  *  @param priv         A pointer to struct lbs_private structure
1660  *  @return             0 or -1
1661  */
1662 int lbs_free_cmd_buffer(struct lbs_private *priv)
1663 {
1664         struct cmd_ctrl_node *cmdarray;
1665         unsigned int i;
1666
1667         lbs_deb_enter(LBS_DEB_HOST);
1668
1669         /* need to check if cmd array is allocated or not */
1670         if (priv->cmd_array == NULL) {
1671                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1672                 goto done;
1673         }
1674
1675         cmdarray = priv->cmd_array;
1676
1677         /* Release shared memory buffers */
1678         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1679                 if (cmdarray[i].cmdbuf) {
1680                         kfree(cmdarray[i].cmdbuf);
1681                         cmdarray[i].cmdbuf = NULL;
1682                 }
1683         }
1684
1685         /* Release cmd_ctrl_node */
1686         if (priv->cmd_array) {
1687                 kfree(priv->cmd_array);
1688                 priv->cmd_array = NULL;
1689         }
1690
1691 done:
1692         lbs_deb_leave(LBS_DEB_HOST);
1693         return 0;
1694 }
1695
1696 /**
1697  *  @brief This function gets a free command node if available in
1698  *  command free queue.
1699  *
1700  *  @param priv         A pointer to struct lbs_private structure
1701  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1702  */
1703 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1704 {
1705         struct cmd_ctrl_node *tempnode;
1706         unsigned long flags;
1707
1708         lbs_deb_enter(LBS_DEB_HOST);
1709
1710         if (!priv)
1711                 return NULL;
1712
1713         spin_lock_irqsave(&priv->driver_lock, flags);
1714
1715         if (!list_empty(&priv->cmdfreeq)) {
1716                 tempnode = list_first_entry(&priv->cmdfreeq,
1717                                             struct cmd_ctrl_node, list);
1718                 list_del(&tempnode->list);
1719         } else {
1720                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1721                 tempnode = NULL;
1722         }
1723
1724         spin_unlock_irqrestore(&priv->driver_lock, flags);
1725
1726         lbs_deb_leave(LBS_DEB_HOST);
1727         return tempnode;
1728 }
1729
1730 /**
1731  *  @brief This function cleans command node.
1732  *
1733  *  @param ptempnode    A pointer to cmdCtrlNode structure
1734  *  @return             n/a
1735  */
1736
1737 /**
1738  *  @brief This function initializes the command node.
1739  *
1740  *  @param priv         A pointer to struct lbs_private structure
1741  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1742  *  @param pdata_buf    A pointer to informaion buffer
1743  *  @return             0 or -1
1744  */
1745 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1746                                   struct cmd_ctrl_node *ptempnode,
1747                                   void *pdata_buf)
1748 {
1749         lbs_deb_enter(LBS_DEB_HOST);
1750
1751         if (!ptempnode)
1752                 return;
1753
1754         ptempnode->callback = NULL;
1755         ptempnode->callback_arg = (unsigned long)pdata_buf;
1756
1757         lbs_deb_leave(LBS_DEB_HOST);
1758 }
1759
1760 /**
1761  *  @brief This function executes next command in command
1762  *  pending queue. It will put fimware back to PS mode
1763  *  if applicable.
1764  *
1765  *  @param priv     A pointer to struct lbs_private structure
1766  *  @return        0 or -1
1767  */
1768 int lbs_execute_next_command(struct lbs_private *priv)
1769 {
1770         struct cmd_ctrl_node *cmdnode = NULL;
1771         struct cmd_header *cmd;
1772         unsigned long flags;
1773         int ret = 0;
1774
1775         /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1776          * only caller to us is lbs_thread() and we get even when a
1777          * data packet is received */
1778         lbs_deb_enter(LBS_DEB_THREAD);
1779
1780         spin_lock_irqsave(&priv->driver_lock, flags);
1781
1782         if (priv->cur_cmd) {
1783                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1784                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1785                 ret = -1;
1786                 goto done;
1787         }
1788
1789         if (!list_empty(&priv->cmdpendingq)) {
1790                 cmdnode = list_first_entry(&priv->cmdpendingq,
1791                                            struct cmd_ctrl_node, list);
1792         }
1793
1794         spin_unlock_irqrestore(&priv->driver_lock, flags);
1795
1796         if (cmdnode) {
1797                 cmd = cmdnode->cmdbuf;
1798
1799                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1800                         if ((priv->psstate == PS_STATE_SLEEP) ||
1801                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1802                                 lbs_deb_host(
1803                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1804                                        le16_to_cpu(cmd->command),
1805                                        priv->psstate);
1806                                 ret = -1;
1807                                 goto done;
1808                         }
1809                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1810                                      "0x%04x in psstate %d\n",
1811                                      le16_to_cpu(cmd->command), priv->psstate);
1812                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1813                         /*
1814                          * 1. Non-PS command:
1815                          * Queue it. set needtowakeup to TRUE if current state
1816                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1817                          * 2. PS command but not Exit_PS:
1818                          * Ignore it.
1819                          * 3. PS command Exit_PS:
1820                          * Set needtowakeup to TRUE if current state is SLEEP,
1821                          * otherwise send this command down to firmware
1822                          * immediately.
1823                          */
1824                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1825                                 /*  Prepare to send Exit PS,
1826                                  *  this non PS command will be sent later */
1827                                 if ((priv->psstate == PS_STATE_SLEEP)
1828                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1829                                     ) {
1830                                         /* w/ new scheme, it will not reach here.
1831                                            since it is blocked in main_thread. */
1832                                         priv->needtowakeup = 1;
1833                                 } else
1834                                         lbs_ps_wakeup(priv, 0);
1835
1836                                 ret = 0;
1837                                 goto done;
1838                         } else {
1839                                 /*
1840                                  * PS command. Ignore it if it is not Exit_PS.
1841                                  * otherwise send it down immediately.
1842                                  */
1843                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1844
1845                                 lbs_deb_host(
1846                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1847                                        psm->action);
1848                                 if (psm->action !=
1849                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1850                                         lbs_deb_host(
1851                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1852                                         list_del(&cmdnode->list);
1853                                         spin_lock_irqsave(&priv->driver_lock, flags);
1854                                         lbs_complete_command(priv, cmdnode, 0);
1855                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1856
1857                                         ret = 0;
1858                                         goto done;
1859                                 }
1860
1861                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1862                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1863                                         lbs_deb_host(
1864                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1865                                         list_del(&cmdnode->list);
1866                                         spin_lock_irqsave(&priv->driver_lock, flags);
1867                                         lbs_complete_command(priv, cmdnode, 0);
1868                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1869                                         priv->needtowakeup = 1;
1870
1871                                         ret = 0;
1872                                         goto done;
1873                                 }
1874
1875                                 lbs_deb_host(
1876                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1877                         }
1878                 }
1879                 list_del(&cmdnode->list);
1880                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1881                             le16_to_cpu(cmd->command));
1882                 lbs_submit_command(priv, cmdnode);
1883         } else {
1884                 /*
1885                  * check if in power save mode, if yes, put the device back
1886                  * to PS mode
1887                  */
1888                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1889                     (priv->psstate == PS_STATE_FULL_POWER) &&
1890                     ((priv->connect_status == LBS_CONNECTED) ||
1891                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1892                         if (priv->secinfo.WPAenabled ||
1893                             priv->secinfo.WPA2enabled) {
1894                                 /* check for valid WPA group keys */
1895                                 if (priv->wpa_mcast_key.len ||
1896                                     priv->wpa_unicast_key.len) {
1897                                         lbs_deb_host(
1898                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1899                                                " go back to PS_SLEEP");
1900                                         lbs_ps_sleep(priv, 0);
1901                                 }
1902                         } else {
1903                                 lbs_deb_host(
1904                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1905                                        "go back to PS_SLEEP");
1906                                 lbs_ps_sleep(priv, 0);
1907                         }
1908                 }
1909         }
1910
1911         ret = 0;
1912 done:
1913         lbs_deb_leave(LBS_DEB_THREAD);
1914         return ret;
1915 }
1916
1917 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1918 {
1919         union iwreq_data iwrq;
1920         u8 buf[50];
1921
1922         lbs_deb_enter(LBS_DEB_WEXT);
1923
1924         memset(&iwrq, 0, sizeof(union iwreq_data));
1925         memset(buf, 0, sizeof(buf));
1926
1927         snprintf(buf, sizeof(buf) - 1, "%s", str);
1928
1929         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1930
1931         /* Send Event to upper layer */
1932         lbs_deb_wext("event indication string %s\n", (char *)buf);
1933         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1934         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1935
1936         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1937
1938         lbs_deb_leave(LBS_DEB_WEXT);
1939 }
1940
1941 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1942 {
1943         unsigned long flags;
1944         int ret = 0;
1945
1946         lbs_deb_enter(LBS_DEB_HOST);
1947
1948         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1949                size);
1950
1951         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1952
1953         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1954
1955         spin_lock_irqsave(&priv->driver_lock, flags);
1956         if (priv->intcounter || priv->currenttxskb)
1957                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1958                        priv->intcounter, priv->currenttxskb);
1959         spin_unlock_irqrestore(&priv->driver_lock, flags);
1960
1961         if (ret) {
1962                 lbs_pr_alert(
1963                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1964         } else {
1965                 spin_lock_irqsave(&priv->driver_lock, flags);
1966                 if (!priv->intcounter) {
1967                         priv->psstate = PS_STATE_SLEEP;
1968                 } else {
1969                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1970                                priv->intcounter);
1971                 }
1972                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1973
1974                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1975         }
1976
1977         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1978         return ret;
1979 }
1980
1981 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1982 {
1983         lbs_deb_enter(LBS_DEB_HOST);
1984
1985         /*
1986          * PS is currently supported only in Infrastructure mode
1987          * Remove this check if it is to be supported in IBSS mode also
1988          */
1989
1990         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1991                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1992
1993         lbs_deb_leave(LBS_DEB_HOST);
1994 }
1995
1996 /**
1997  *  @brief This function sends Exit_PS command to firmware.
1998  *
1999  *  @param priv         A pointer to struct lbs_private structure
2000  *  @param wait_option  wait response or not
2001  *  @return             n/a
2002  */
2003 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2004 {
2005         __le32 Localpsmode;
2006
2007         lbs_deb_enter(LBS_DEB_HOST);
2008
2009         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2010
2011         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2012                               CMD_SUBCMD_EXIT_PS,
2013                               wait_option, 0, &Localpsmode);
2014
2015         lbs_deb_leave(LBS_DEB_HOST);
2016 }
2017
2018 /**
2019  *  @brief This function checks condition and prepares to
2020  *  send sleep confirm command to firmware if ok.
2021  *
2022  *  @param priv         A pointer to struct lbs_private structure
2023  *  @param psmode       Power Saving mode
2024  *  @return             n/a
2025  */
2026 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2027 {
2028         unsigned long flags =0;
2029         u8 allowed = 1;
2030
2031         lbs_deb_enter(LBS_DEB_HOST);
2032
2033         if (priv->dnld_sent) {
2034                 allowed = 0;
2035                 lbs_deb_host("dnld_sent was set\n");
2036         }
2037
2038         spin_lock_irqsave(&priv->driver_lock, flags);
2039         if (priv->cur_cmd) {
2040                 allowed = 0;
2041                 lbs_deb_host("cur_cmd was set\n");
2042         }
2043         if (priv->intcounter > 0) {
2044                 allowed = 0;
2045                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2046         }
2047         spin_unlock_irqrestore(&priv->driver_lock, flags);
2048
2049         if (allowed) {
2050                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2051                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2052                                  sizeof(struct PS_CMD_ConfirmSleep));
2053         } else {
2054                 lbs_deb_host("sleep confirm has been delayed\n");
2055         }
2056
2057         lbs_deb_leave(LBS_DEB_HOST);
2058 }
2059
2060
2061 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
2062         uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
2063         int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2064         unsigned long callback_arg)
2065 {
2066         struct cmd_ctrl_node *cmdnode;
2067
2068         lbs_deb_enter(LBS_DEB_HOST);
2069
2070         if (priv->surpriseremoved) {
2071                 lbs_deb_host("PREP_CMD: card removed\n");
2072                 cmdnode = ERR_PTR(-ENOENT);
2073                 goto done;
2074         }
2075
2076         cmdnode = lbs_get_cmd_ctrl_node(priv);
2077         if (cmdnode == NULL) {
2078                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2079
2080                 /* Wake up main thread to execute next command */
2081                 wake_up_interruptible(&priv->waitq);
2082                 cmdnode = ERR_PTR(-ENOBUFS);
2083                 goto done;
2084         }
2085
2086         cmdnode->callback = callback;
2087         cmdnode->callback_arg = callback_arg;
2088
2089         /* Copy the incoming command to the buffer */
2090         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2091
2092         /* Set sequence number, clean result, move to buffer */
2093         priv->seqnum++;
2094         cmdnode->cmdbuf->command = cpu_to_le16(command);
2095         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2096         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2097         cmdnode->cmdbuf->result  = 0;
2098
2099         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2100
2101         cmdnode->cmdwaitqwoken = 0;
2102         lbs_queue_cmd(priv, cmdnode);
2103         wake_up_interruptible(&priv->waitq);
2104
2105  done:
2106         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2107         return cmdnode;
2108 }
2109
2110 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2111         struct cmd_header *in_cmd, int in_cmd_size)
2112 {
2113         lbs_deb_enter(LBS_DEB_CMD);
2114         __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2115                 lbs_cmd_async_callback, 0);
2116         lbs_deb_leave(LBS_DEB_CMD);
2117 }
2118
2119 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2120               struct cmd_header *in_cmd, int in_cmd_size,
2121               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2122               unsigned long callback_arg)
2123 {
2124         struct cmd_ctrl_node *cmdnode;
2125         unsigned long flags;
2126         int ret = 0;
2127
2128         lbs_deb_enter(LBS_DEB_HOST);
2129
2130         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2131                                   callback, callback_arg);
2132         if (IS_ERR(cmdnode)) {
2133                 ret = PTR_ERR(cmdnode);
2134                 goto done;
2135         }
2136
2137         might_sleep();
2138         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2139
2140         spin_lock_irqsave(&priv->driver_lock, flags);
2141         ret = cmdnode->result;
2142         if (ret)
2143                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2144                             command, ret);
2145
2146         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2147         spin_unlock_irqrestore(&priv->driver_lock, flags);
2148
2149 done:
2150         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2151         return ret;
2152 }
2153 EXPORT_SYMBOL_GPL(__lbs_cmd);
2154
2155