git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14 #include "cmd.h"
  15
  16 static 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_stat(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_STAT);
 502         cmd->size =
 503             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 504
 505         lbs_deb_leave(LBS_DEB_CMD);
 506         return 0;
 507 }
 508
 509 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 510                                     struct cmd_ds_command *cmd,
 511                                     int cmd_action,
 512                                     int cmd_oid, void *pdata_buf)
 513 {
 514         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 515         u8 ucTemp;
 516
 517         lbs_deb_enter(LBS_DEB_CMD);
 518
 519         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 520
 521         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 522         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 523
 524         switch (cmd_oid) {
 525         case OID_802_11_INFRASTRUCTURE_MODE:
 526         {
 527                 u8 mode = (u8) (size_t) pdata_buf;
 528                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 529                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 530                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 531                 if (mode == IW_MODE_ADHOC) {
 532                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 533                 } else {
 534                         /* Infra and Auto modes */
 535                         ucTemp = SNMP_MIB_VALUE_INFRA;
 536                 }
 537
 538                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 539
 540                 break;
 541         }
 542
 543         case OID_802_11D_ENABLE:
 544                 {
 545                         u32 ulTemp;
 546
 547                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 548
 549                         if (cmd_action == CMD_ACT_SET) {
 550                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 551                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 552                                 ulTemp = *(u32 *)pdata_buf;
 553                                 *((__le16 *)(pSNMPMIB->value)) =
 554                                     cpu_to_le16((u16) ulTemp);
 555                         }
 556                         break;
 557                 }
 558
 559         case OID_802_11_FRAGMENTATION_THRESHOLD:
 560                 {
 561                         u32 ulTemp;
 562
 563                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 564
 565                         if (cmd_action == CMD_ACT_GET) {
 566                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 567                         } else if (cmd_action == CMD_ACT_SET) {
 568                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 569                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 570                                 ulTemp = *((u32 *) pdata_buf);
 571                                 *((__le16 *)(pSNMPMIB->value)) =
 572                                     cpu_to_le16((u16) ulTemp);
 573
 574                         }
 575
 576                         break;
 577                 }
 578
 579         case OID_802_11_RTS_THRESHOLD:
 580                 {
 581
 582                         u32 ulTemp;
 583                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 584
 585                         if (cmd_action == CMD_ACT_GET) {
 586                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 587                         } else if (cmd_action == CMD_ACT_SET) {
 588                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 589                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 590                                 ulTemp = *((u32 *)pdata_buf);
 591                                 *(__le16 *)(pSNMPMIB->value) =
 592                                     cpu_to_le16((u16) ulTemp);
 593
 594                         }
 595                         break;
 596                 }
 597         case OID_802_11_TX_RETRYCOUNT:
 598                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 599
 600                 if (cmd_action == CMD_ACT_GET) {
 601                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 602                 } else if (cmd_action == CMD_ACT_SET) {
 603                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 604                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 605                         *((__le16 *)(pSNMPMIB->value)) =
 606                             cpu_to_le16((u16) priv->txretrycount);
 607                 }
 608
 609                 break;
 610         default:
 611                 break;
 612         }
 613
 614         lbs_deb_cmd(
 615                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 616                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 617                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 618
 619         lbs_deb_cmd(
 620                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 621                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 622                le16_to_cpu(pSNMPMIB->bufsize),
 623                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 624
 625         lbs_deb_leave(LBS_DEB_CMD);
 626         return 0;
 627 }
 628
 629 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 630                                        struct cmd_ds_command *cmd,
 631                                        u16 cmd_action, void *pdata_buf)
 632 {
 633
 634         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 635
 636         lbs_deb_enter(LBS_DEB_CMD);
 637
 638         cmd->size =
 639             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 640         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 641         prtp->action = cpu_to_le16(cmd_action);
 642
 643         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 644                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 645                     le16_to_cpu(prtp->action));
 646
 647         switch (cmd_action) {
 648         case CMD_ACT_TX_POWER_OPT_GET:
 649                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 650                 prtp->currentlevel = 0;
 651                 break;
 652
 653         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 654                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 655                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 656                 break;
 657
 658         case CMD_ACT_TX_POWER_OPT_SET_MID:
 659                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 660                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 661                 break;
 662
 663         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 664                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 665                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 666                 break;
 667         }
 668
 669         lbs_deb_leave(LBS_DEB_CMD);
 670         return 0;
 671 }
 672
 673 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 674                                       struct cmd_ds_command *cmd,
 675                                       u16 cmd_action, void *pdata_buf)
 676 {
 677         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 678
 679         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 680         cmd->size =
 681             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 682                              S_DS_GEN);
 683
 684         monitor->action = cpu_to_le16(cmd_action);
 685         if (cmd_action == CMD_ACT_SET) {
 686                 monitor->mode =
 687                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 688         }
 689
 690         return 0;
 691 }
 692
 693 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 694                                               struct cmd_ds_command *cmd,
 695                                               u16 cmd_action)
 696 {
 697         struct cmd_ds_802_11_rate_adapt_rateset
 698         *rateadapt = &cmd->params.rateset;
 699
 700         lbs_deb_enter(LBS_DEB_CMD);
 701         cmd->size =
 702             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 703                              + S_DS_GEN);
 704         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 705
 706         rateadapt->action = cpu_to_le16(cmd_action);
 707         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 708         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 709
 710         lbs_deb_leave(LBS_DEB_CMD);
 711         return 0;
 712 }
 713
 714 /**
 715  *  @brief Get the current data rate
 716  *
 717  *  @param priv         A pointer to struct lbs_private structure
 718  *
 719  *  @return             The data rate on success, error on failure
 720  */
 721 int lbs_get_data_rate(struct lbs_private *priv)
 722 {
 723         struct cmd_ds_802_11_data_rate cmd;
 724         int ret = -1;
 725
 726         lbs_deb_enter(LBS_DEB_CMD);
 727
 728         memset(&cmd, 0, sizeof(cmd));
 729         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 730         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 731
 732         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 733         if (ret)
 734                 goto out;
 735
 736         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 737
 738         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 739         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 740
 741 out:
 742         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 743         return ret;
 744 }
 745
 746 /**
 747  *  @brief Set the data rate
 748  *
 749  *  @param priv         A pointer to struct lbs_private structure
 750  *  @param rate         The desired data rate, or 0 to clear a locked rate
 751  *
 752  *  @return             0 on success, error on failure
 753  */
 754 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 755 {
 756         struct cmd_ds_802_11_data_rate cmd;
 757         int ret = 0;
 758
 759         lbs_deb_enter(LBS_DEB_CMD);
 760
 761         memset(&cmd, 0, sizeof(cmd));
 762         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 763
 764         if (rate > 0) {
 765                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 766                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 767                 if (cmd.rates[0] == 0) {
 768                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 769                                     " 0x%02X\n", rate);
 770                         ret = 0;
 771                         goto out;
 772                 }
 773                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 774         } else {
 775                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 776                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 777         }
 778
 779         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 780         if (ret)
 781                 goto out;
 782
 783         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 784
 785         /* FIXME: get actual rates FW can do if this command actually returns
 786          * all data rates supported.
 787          */
 788         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 789         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 790
 791 out:
 792         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 793         return ret;
 794 }
 795
 796 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 797                                       struct cmd_ds_command *cmd,
 798                                       u16 cmd_action)
 799 {
 800         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 801
 802         lbs_deb_enter(LBS_DEB_CMD);
 803         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 804                              S_DS_GEN);
 805         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 806
 807         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 808         pMCastAdr->action = cpu_to_le16(cmd_action);
 809         pMCastAdr->nr_of_adrs =
 810             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 811         memcpy(pMCastAdr->maclist, priv->multicastlist,
 812                priv->nr_of_multicastmacaddr * ETH_ALEN);
 813
 814         lbs_deb_leave(LBS_DEB_CMD);
 815         return 0;
 816 }
 817
 818 /**
 819  *  @brief Get the radio channel
 820  *
 821  *  @param priv         A pointer to struct lbs_private structure
 822  *
 823  *  @return             The channel on success, error on failure
 824  */
 825 int lbs_get_channel(struct lbs_private *priv)
 826 {
 827         struct cmd_ds_802_11_rf_channel cmd;
 828         int ret = 0;
 829
 830         lbs_deb_enter(LBS_DEB_CMD);
 831
 832         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 833         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 834
 835         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 836         if (ret)
 837                 goto out;
 838
 839         ret = le16_to_cpu(cmd.channel);
 840         lbs_deb_cmd("current radio channel is %d\n", ret);
 841
 842 out:
 843         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 844         return ret;
 845 }
 846
 847 /**
 848  *  @brief Set the radio channel
 849  *
 850  *  @param priv         A pointer to struct lbs_private structure
 851  *  @param channel      The desired channel, or 0 to clear a locked channel
 852  *
 853  *  @return             0 on success, error on failure
 854  */
 855 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 856 {
 857         struct cmd_ds_802_11_rf_channel cmd;
 858         u8 old_channel = priv->curbssparams.channel;
 859         int ret = 0;
 860
 861         lbs_deb_enter(LBS_DEB_CMD);
 862
 863         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 864         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 865         cmd.channel = cpu_to_le16(channel);
 866
 867         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 868         if (ret)
 869                 goto out;
 870
 871         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 872         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 873                 priv->curbssparams.channel);
 874
 875 out:
 876         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 877         return ret;
 878 }
 879
 880 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 881                                 struct cmd_ds_command *cmd)
 882 {
 883
 884         lbs_deb_enter(LBS_DEB_CMD);
 885         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 886         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 887         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 888
 889         /* reset Beacon SNR/NF/RSSI values */
 890         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 891         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 892         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 893         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 894         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 895         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 896
 897         lbs_deb_leave(LBS_DEB_CMD);
 898         return 0;
 899 }
 900
 901 static int lbs_cmd_reg_access(struct lbs_private *priv,
 902                                struct cmd_ds_command *cmdptr,
 903                                u8 cmd_action, void *pdata_buf)
 904 {
 905         struct lbs_offset_value *offval;
 906
 907         lbs_deb_enter(LBS_DEB_CMD);
 908
 909         offval = (struct lbs_offset_value *)pdata_buf;
 910
 911         switch (le16_to_cpu(cmdptr->command)) {
 912         case CMD_MAC_REG_ACCESS:
 913                 {
 914                         struct cmd_ds_mac_reg_access *macreg;
 915
 916                         cmdptr->size =
 917                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 918                                         + S_DS_GEN);
 919                         macreg =
 920                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 921                             macreg;
 922
 923                         macreg->action = cpu_to_le16(cmd_action);
 924                         macreg->offset = cpu_to_le16((u16) offval->offset);
 925                         macreg->value = cpu_to_le32(offval->value);
 926
 927                         break;
 928                 }
 929
 930         case CMD_BBP_REG_ACCESS:
 931                 {
 932                         struct cmd_ds_bbp_reg_access *bbpreg;
 933
 934                         cmdptr->size =
 935                             cpu_to_le16(sizeof
 936                                              (struct cmd_ds_bbp_reg_access)
 937                                              + S_DS_GEN);
 938                         bbpreg =
 939                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 940                             bbpreg;
 941
 942                         bbpreg->action = cpu_to_le16(cmd_action);
 943                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 944                         bbpreg->value = (u8) offval->value;
 945
 946                         break;
 947                 }
 948
 949         case CMD_RF_REG_ACCESS:
 950                 {
 951                         struct cmd_ds_rf_reg_access *rfreg;
 952
 953                         cmdptr->size =
 954                             cpu_to_le16(sizeof
 955                                              (struct cmd_ds_rf_reg_access) +
 956                                              S_DS_GEN);
 957                         rfreg =
 958                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 959                             rfreg;
 960
 961                         rfreg->action = cpu_to_le16(cmd_action);
 962                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 963                         rfreg->value = (u8) offval->value;
 964
 965                         break;
 966                 }
 967
 968         default:
 969                 break;
 970         }
 971
 972         lbs_deb_leave(LBS_DEB_CMD);
 973         return 0;
 974 }
 975
 976 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 977                                        struct cmd_ds_command *cmd,
 978                                        u16 cmd_action)
 979 {
 980
 981         lbs_deb_enter(LBS_DEB_CMD);
 982         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 983         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 984                              S_DS_GEN);
 985         cmd->result = 0;
 986
 987         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 988
 989         if (cmd_action == CMD_ACT_SET) {
 990                 memcpy(cmd->params.macadd.macadd,
 991                        priv->current_addr, ETH_ALEN);
 992                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 993         }
 994
 995         lbs_deb_leave(LBS_DEB_CMD);
 996         return 0;
 997 }
 998
 999 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1000                                          struct cmd_ds_command *cmd,
1001                                          int cmd_action, void *pdata_buf)
1002 {
1003         struct lbs_ioctl_regrdwr *ea = pdata_buf;
1004
1005         lbs_deb_enter(LBS_DEB_CMD);
1006
1007         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1008         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1009                                 S_DS_GEN);
1010         cmd->result = 0;
1011
1012         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1013         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1014         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1015         cmd->params.rdeeprom.value = 0;
1016
1017         lbs_deb_leave(LBS_DEB_CMD);
1018         return 0;
1019 }
1020
1021 static int lbs_cmd_bt_access(struct lbs_private *priv,
1022                                struct cmd_ds_command *cmd,
1023                                u16 cmd_action, void *pdata_buf)
1024 {
1025         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1026         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1027
1028         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1029         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1030         cmd->result = 0;
1031         bt_access->action = cpu_to_le16(cmd_action);
1032
1033         switch (cmd_action) {
1034         case CMD_ACT_BT_ACCESS_ADD:
1035                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1036                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1037                 break;
1038         case CMD_ACT_BT_ACCESS_DEL:
1039                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1040                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1041                 break;
1042         case CMD_ACT_BT_ACCESS_LIST:
1043                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1044                 break;
1045         case CMD_ACT_BT_ACCESS_RESET:
1046                 break;
1047         case CMD_ACT_BT_ACCESS_SET_INVERT:
1048                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1049                 break;
1050         case CMD_ACT_BT_ACCESS_GET_INVERT:
1051                 break;
1052         default:
1053                 break;
1054         }
1055         lbs_deb_leave(LBS_DEB_CMD);
1056         return 0;
1057 }
1058
1059 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1060                                struct cmd_ds_command *cmd,
1061                                u16 cmd_action, void *pdata_buf)
1062 {
1063         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1064         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1065
1066         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1067         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1068         cmd->result = 0;
1069
1070         if (pdata_buf)
1071                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1072         else
1073                 memset(fwt_access, 0, sizeof(*fwt_access));
1074
1075         fwt_access->action = cpu_to_le16(cmd_action);
1076
1077         lbs_deb_leave(LBS_DEB_CMD);
1078         return 0;
1079 }
1080
1081 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1082                     struct cmd_ds_mesh_access *cmd)
1083 {
1084         int ret;
1085
1086         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1087
1088         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1089         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1090         cmd->hdr.result = 0;
1091
1092         cmd->action = cpu_to_le16(cmd_action);
1093
1094         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1095
1096         lbs_deb_leave(LBS_DEB_CMD);
1097         return ret;
1098 }
1099
1100 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1101 {
1102         struct cmd_ds_mesh_config cmd;
1103
1104         memset(&cmd, 0, sizeof(cmd));
1105         cmd.action = cpu_to_le16(enable);
1106         cmd.channel = cpu_to_le16(chan);
1107         cmd.type = cpu_to_le16(priv->mesh_tlv);
1108         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1109
1110         if (enable) {
1111                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1112                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1113         }
1114         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1115                     enable, priv->mesh_tlv, chan,
1116                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1117         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1118 }
1119
1120 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1121                                 struct cmd_ds_command *cmd,
1122                                 u16 cmd_action)
1123 {
1124         struct cmd_ds_802_11_beacon_control
1125                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1126
1127         lbs_deb_enter(LBS_DEB_CMD);
1128         cmd->size =
1129             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1130                              + S_DS_GEN);
1131         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1132
1133         bcn_ctrl->action = cpu_to_le16(cmd_action);
1134         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1135         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1136
1137         lbs_deb_leave(LBS_DEB_CMD);
1138         return 0;
1139 }
1140
1141 static void lbs_queue_cmd(struct lbs_private *priv,
1142                           struct cmd_ctrl_node *cmdnode)
1143 {
1144         unsigned long flags;
1145         int addtail = 1;
1146
1147         lbs_deb_enter(LBS_DEB_HOST);
1148
1149         if (!cmdnode) {
1150                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1151                 goto done;
1152         }
1153         if (!cmdnode->cmdbuf->size) {
1154                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1155                 goto done;
1156         }
1157         cmdnode->result = 0;
1158
1159         /* Exit_PS command needs to be queued in the header always. */
1160         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1161                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1162
1163                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1164                         if (priv->psstate != PS_STATE_FULL_POWER)
1165                                 addtail = 0;
1166                 }
1167         }
1168
1169         spin_lock_irqsave(&priv->driver_lock, flags);
1170
1171         if (addtail)
1172                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1173         else
1174                 list_add(&cmdnode->list, &priv->cmdpendingq);
1175
1176         spin_unlock_irqrestore(&priv->driver_lock, flags);
1177
1178         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1179                      le16_to_cpu(cmdnode->cmdbuf->command));
1180
1181 done:
1182         lbs_deb_leave(LBS_DEB_HOST);
1183 }
1184
1185 static void lbs_submit_command(struct lbs_private *priv,
1186                                struct cmd_ctrl_node *cmdnode)
1187 {
1188         unsigned long flags;
1189         struct cmd_header *cmd;
1190         uint16_t cmdsize;
1191         uint16_t command;
1192         int timeo = 5 * HZ;
1193         int ret;
1194
1195         lbs_deb_enter(LBS_DEB_HOST);
1196
1197         cmd = cmdnode->cmdbuf;
1198
1199         spin_lock_irqsave(&priv->driver_lock, flags);
1200         priv->cur_cmd = cmdnode;
1201         priv->cur_cmd_retcode = 0;
1202         spin_unlock_irqrestore(&priv->driver_lock, flags);
1203
1204         cmdsize = le16_to_cpu(cmd->size);
1205         command = le16_to_cpu(cmd->command);
1206
1207         /* These commands take longer */
1208         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1209             command == CMD_802_11_AUTHENTICATE)
1210                 timeo = 10 * HZ;
1211
1212         lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1213                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1214         lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1215
1216         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1217
1218         if (ret) {
1219                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1220                 /* Let the timer kick in and retry, and potentially reset
1221                    the whole thing if the condition persists */
1222                 timeo = HZ;
1223         }
1224
1225         /* Setup the timer after transmit command */
1226         mod_timer(&priv->command_timer, jiffies + timeo);
1227
1228         lbs_deb_leave(LBS_DEB_HOST);
1229 }
1230
1231 /**
1232  *  This function inserts command node to cmdfreeq
1233  *  after cleans it. Requires priv->driver_lock held.
1234  */
1235 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1236                                          struct cmd_ctrl_node *cmdnode)
1237 {
1238         lbs_deb_enter(LBS_DEB_HOST);
1239
1240         if (!cmdnode)
1241                 goto out;
1242
1243         cmdnode->callback = NULL;
1244         cmdnode->callback_arg = 0;
1245
1246         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1247
1248         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1249  out:
1250         lbs_deb_leave(LBS_DEB_HOST);
1251 }
1252
1253 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1254         struct cmd_ctrl_node *ptempcmd)
1255 {
1256         unsigned long flags;
1257
1258         spin_lock_irqsave(&priv->driver_lock, flags);
1259         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1260         spin_unlock_irqrestore(&priv->driver_lock, flags);
1261 }
1262
1263 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1264                           int result)
1265 {
1266         if (cmd == priv->cur_cmd)
1267                 priv->cur_cmd_retcode = result;
1268
1269         cmd->result = result;
1270         cmd->cmdwaitqwoken = 1;
1271         wake_up_interruptible(&cmd->cmdwait_q);
1272
1273         if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1274                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1275         priv->cur_cmd = NULL;
1276 }
1277
1278 int lbs_set_radio_control(struct lbs_private *priv)
1279 {
1280         int ret = 0;
1281         struct cmd_ds_802_11_radio_control cmd;
1282
1283         lbs_deb_enter(LBS_DEB_CMD);
1284
1285         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1286         cmd.action = cpu_to_le16(CMD_ACT_SET);
1287
1288         switch (priv->preamble) {
1289         case CMD_TYPE_SHORT_PREAMBLE:
1290                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1291                 break;
1292
1293         case CMD_TYPE_LONG_PREAMBLE:
1294                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1295                 break;
1296
1297         case CMD_TYPE_AUTO_PREAMBLE:
1298         default:
1299                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1300                 break;
1301         }
1302
1303         if (priv->radioon)
1304                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1305         else
1306                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1307
1308         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1309                     priv->preamble);
1310
1311         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1312
1313         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1314         return ret;
1315 }
1316
1317 void lbs_set_mac_control(struct lbs_private *priv)
1318 {
1319         struct cmd_ds_mac_control cmd;
1320
1321         lbs_deb_enter(LBS_DEB_CMD);
1322
1323         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1324         cmd.action = cpu_to_le16(priv->mac_control);
1325         cmd.reserved = 0;
1326
1327         lbs_cmd_async(priv, CMD_MAC_CONTROL,
1328                 &cmd.hdr, sizeof(cmd));
1329
1330         lbs_deb_leave(LBS_DEB_CMD);
1331 }
1332
1333 /**
1334  *  @brief This function prepare the command before send to firmware.
1335  *
1336  *  @param priv         A pointer to struct lbs_private structure
1337  *  @param cmd_no       command number
1338  *  @param cmd_action   command action: GET or SET
1339  *  @param wait_option  wait option: wait response or not
1340  *  @param cmd_oid      cmd oid: treated as sub command
1341  *  @param pdata_buf    A pointer to informaion buffer
1342  *  @return             0 or -1
1343  */
1344 int lbs_prepare_and_send_command(struct lbs_private *priv,
1345                           u16 cmd_no,
1346                           u16 cmd_action,
1347                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1348 {
1349         int ret = 0;
1350         struct cmd_ctrl_node *cmdnode;
1351         struct cmd_ds_command *cmdptr;
1352         unsigned long flags;
1353
1354         lbs_deb_enter(LBS_DEB_HOST);
1355
1356         if (!priv) {
1357                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1358                 ret = -1;
1359                 goto done;
1360         }
1361
1362         if (priv->surpriseremoved) {
1363                 lbs_deb_host("PREP_CMD: card removed\n");
1364                 ret = -1;
1365                 goto done;
1366         }
1367
1368         cmdnode = lbs_get_cmd_ctrl_node(priv);
1369
1370         if (cmdnode == NULL) {
1371                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1372
1373                 /* Wake up main thread to execute next command */
1374                 wake_up_interruptible(&priv->waitq);
1375                 ret = -1;
1376                 goto done;
1377         }
1378
1379         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1380
1381         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1382
1383         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1384
1385         /* Set sequence number, command and INT option */
1386         priv->seqnum++;
1387         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1388
1389         cmdptr->command = cpu_to_le16(cmd_no);
1390         cmdptr->result = 0;
1391
1392         switch (cmd_no) {
1393         case CMD_802_11_PS_MODE:
1394                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1395                 break;
1396
1397         case CMD_802_11_ASSOCIATE:
1398         case CMD_802_11_REASSOCIATE:
1399                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1400                 break;
1401
1402         case CMD_802_11_DEAUTHENTICATE:
1403                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1404                 break;
1405
1406         case CMD_802_11_AD_HOC_START:
1407                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1408                 break;
1409
1410         case CMD_802_11_RESET:
1411                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1412                 break;
1413
1414         case CMD_802_11_AUTHENTICATE:
1415                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1416                 break;
1417
1418         case CMD_802_11_GET_STAT:
1419                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1420                 break;
1421
1422         case CMD_802_11_SNMP_MIB:
1423                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1424                                                cmd_action, cmd_oid, pdata_buf);
1425                 break;
1426
1427         case CMD_MAC_REG_ACCESS:
1428         case CMD_BBP_REG_ACCESS:
1429         case CMD_RF_REG_ACCESS:
1430                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1431                 break;
1432
1433         case CMD_802_11_RF_TX_POWER:
1434                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1435                                                   cmd_action, pdata_buf);
1436                 break;
1437
1438         case CMD_802_11_RATE_ADAPT_RATESET:
1439                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1440                                                          cmdptr, cmd_action);
1441                 break;
1442
1443         case CMD_MAC_MULTICAST_ADR:
1444                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1445                 break;
1446
1447         case CMD_802_11_MONITOR_MODE:
1448                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1449                                           cmd_action, pdata_buf);
1450                 break;
1451
1452         case CMD_802_11_AD_HOC_JOIN:
1453                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1454                 break;
1455
1456         case CMD_802_11_RSSI:
1457                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1458                 break;
1459
1460         case CMD_802_11_AD_HOC_STOP:
1461                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1462                 break;
1463
1464         case CMD_802_11_MAC_ADDRESS:
1465                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1466                 break;
1467
1468         case CMD_802_11_EEPROM_ACCESS:
1469                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1470                                                     cmd_action, pdata_buf);
1471                 break;
1472
1473         case CMD_802_11_SET_AFC:
1474         case CMD_802_11_GET_AFC:
1475
1476                 cmdptr->command = cpu_to_le16(cmd_no);
1477                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1478                                            S_DS_GEN);
1479
1480                 memmove(&cmdptr->params.afc,
1481                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1482
1483                 ret = 0;
1484                 goto done;
1485
1486         case CMD_802_11D_DOMAIN_INFO:
1487                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1488                                                    cmd_no, cmd_action);
1489                 break;
1490
1491         case CMD_802_11_TPC_CFG:
1492                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1493                 cmdptr->size =
1494                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1495                                      S_DS_GEN);
1496
1497                 memmove(&cmdptr->params.tpccfg,
1498                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1499
1500                 ret = 0;
1501                 break;
1502         case CMD_802_11_LED_GPIO_CTRL:
1503                 {
1504                         struct mrvlietypes_ledgpio *gpio =
1505                             (struct mrvlietypes_ledgpio*)
1506                             cmdptr->params.ledgpio.data;
1507
1508                         memmove(&cmdptr->params.ledgpio,
1509                                 pdata_buf,
1510                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1511
1512                         cmdptr->command =
1513                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1514
1515 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1516                         cmdptr->size =
1517                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1518                                 + S_DS_GEN
1519                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1520                         gpio->header.len = gpio->header.len;
1521
1522                         ret = 0;
1523                         break;
1524                 }
1525
1526         case CMD_802_11_PWR_CFG:
1527                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1528                 cmdptr->size =
1529                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1530                                      S_DS_GEN);
1531                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1532                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1533
1534                 ret = 0;
1535                 break;
1536         case CMD_BT_ACCESS:
1537                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1538                 break;
1539
1540         case CMD_FWT_ACCESS:
1541                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1542                 break;
1543
1544         case CMD_GET_TSF:
1545                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1546                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1547                                            S_DS_GEN);
1548                 ret = 0;
1549                 break;
1550         case CMD_802_11_BEACON_CTRL:
1551                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1552                 break;
1553         default:
1554                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1555                 ret = -1;
1556                 break;
1557         }
1558
1559         /* return error, since the command preparation failed */
1560         if (ret != 0) {
1561                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1562                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1563                 ret = -1;
1564                 goto done;
1565         }
1566
1567         cmdnode->cmdwaitqwoken = 0;
1568
1569         lbs_queue_cmd(priv, cmdnode);
1570         wake_up_interruptible(&priv->waitq);
1571
1572         if (wait_option & CMD_OPTION_WAITFORRSP) {
1573                 lbs_deb_host("PREP_CMD: wait for response\n");
1574                 might_sleep();
1575                 wait_event_interruptible(cmdnode->cmdwait_q,
1576                                          cmdnode->cmdwaitqwoken);
1577         }
1578
1579         spin_lock_irqsave(&priv->driver_lock, flags);
1580         if (priv->cur_cmd_retcode) {
1581                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1582                        priv->cur_cmd_retcode);
1583                 priv->cur_cmd_retcode = 0;
1584                 ret = -1;
1585         }
1586         spin_unlock_irqrestore(&priv->driver_lock, flags);
1587
1588 done:
1589         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1590         return ret;
1591 }
1592
1593 /**
1594  *  @brief This function allocates the command buffer and link
1595  *  it to command free queue.
1596  *
1597  *  @param priv         A pointer to struct lbs_private structure
1598  *  @return             0 or -1
1599  */
1600 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1601 {
1602         int ret = 0;
1603         u32 bufsize;
1604         u32 i;
1605         struct cmd_ctrl_node *cmdarray;
1606
1607         lbs_deb_enter(LBS_DEB_HOST);
1608
1609         /* Allocate and initialize the command array */
1610         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1611         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1612                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1613                 ret = -1;
1614                 goto done;
1615         }
1616         priv->cmd_array = cmdarray;
1617
1618         /* Allocate and initialize each command buffer in the command array */
1619         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1620                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1621                 if (!cmdarray[i].cmdbuf) {
1622                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1623                         ret = -1;
1624                         goto done;
1625                 }
1626         }
1627
1628         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1629                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1630                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1631         }
1632         ret = 0;
1633
1634 done:
1635         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1636         return ret;
1637 }
1638
1639 /**
1640  *  @brief This function frees the command buffer.
1641  *
1642  *  @param priv         A pointer to struct lbs_private structure
1643  *  @return             0 or -1
1644  */
1645 int lbs_free_cmd_buffer(struct lbs_private *priv)
1646 {
1647         struct cmd_ctrl_node *cmdarray;
1648         unsigned int i;
1649
1650         lbs_deb_enter(LBS_DEB_HOST);
1651
1652         /* need to check if cmd array is allocated or not */
1653         if (priv->cmd_array == NULL) {
1654                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1655                 goto done;
1656         }
1657
1658         cmdarray = priv->cmd_array;
1659
1660         /* Release shared memory buffers */
1661         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1662                 if (cmdarray[i].cmdbuf) {
1663                         kfree(cmdarray[i].cmdbuf);
1664                         cmdarray[i].cmdbuf = NULL;
1665                 }
1666         }
1667
1668         /* Release cmd_ctrl_node */
1669         if (priv->cmd_array) {
1670                 kfree(priv->cmd_array);
1671                 priv->cmd_array = NULL;
1672         }
1673
1674 done:
1675         lbs_deb_leave(LBS_DEB_HOST);
1676         return 0;
1677 }
1678
1679 /**
1680  *  @brief This function gets a free command node if available in
1681  *  command free queue.
1682  *
1683  *  @param priv         A pointer to struct lbs_private structure
1684  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1685  */
1686 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1687 {
1688         struct cmd_ctrl_node *tempnode;
1689         unsigned long flags;
1690
1691         lbs_deb_enter(LBS_DEB_HOST);
1692
1693         if (!priv)
1694                 return NULL;
1695
1696         spin_lock_irqsave(&priv->driver_lock, flags);
1697
1698         if (!list_empty(&priv->cmdfreeq)) {
1699                 tempnode = list_first_entry(&priv->cmdfreeq,
1700                                             struct cmd_ctrl_node, list);
1701                 list_del(&tempnode->list);
1702         } else {
1703                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1704                 tempnode = NULL;
1705         }
1706
1707         spin_unlock_irqrestore(&priv->driver_lock, flags);
1708
1709         lbs_deb_leave(LBS_DEB_HOST);
1710         return tempnode;
1711 }
1712
1713 /**
1714  *  @brief This function cleans command node.
1715  *
1716  *  @param ptempnode    A pointer to cmdCtrlNode structure
1717  *  @return             n/a
1718  */
1719
1720 /**
1721  *  @brief This function initializes the command node.
1722  *
1723  *  @param priv         A pointer to struct lbs_private structure
1724  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1725  *  @param pdata_buf    A pointer to informaion buffer
1726  *  @return             0 or -1
1727  */
1728 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1729                                   struct cmd_ctrl_node *ptempnode,
1730                                   void *pdata_buf)
1731 {
1732         lbs_deb_enter(LBS_DEB_HOST);
1733
1734         if (!ptempnode)
1735                 return;
1736
1737         ptempnode->callback = NULL;
1738         ptempnode->callback_arg = (unsigned long)pdata_buf;
1739
1740         lbs_deb_leave(LBS_DEB_HOST);
1741 }
1742
1743 /**
1744  *  @brief This function executes next command in command
1745  *  pending queue. It will put fimware back to PS mode
1746  *  if applicable.
1747  *
1748  *  @param priv     A pointer to struct lbs_private structure
1749  *  @return        0 or -1
1750  */
1751 int lbs_execute_next_command(struct lbs_private *priv)
1752 {
1753         struct cmd_ctrl_node *cmdnode = NULL;
1754         struct cmd_header *cmd;
1755         unsigned long flags;
1756         int ret = 0;
1757
1758         /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1759          * only caller to us is lbs_thread() and we get even when a
1760          * data packet is received */
1761         lbs_deb_enter(LBS_DEB_THREAD);
1762
1763         spin_lock_irqsave(&priv->driver_lock, flags);
1764
1765         if (priv->cur_cmd) {
1766                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1767                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1768                 ret = -1;
1769                 goto done;
1770         }
1771
1772         if (!list_empty(&priv->cmdpendingq)) {
1773                 cmdnode = list_first_entry(&priv->cmdpendingq,
1774                                            struct cmd_ctrl_node, list);
1775         }
1776
1777         spin_unlock_irqrestore(&priv->driver_lock, flags);
1778
1779         if (cmdnode) {
1780                 cmd = cmdnode->cmdbuf;
1781
1782                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1783                         if ((priv->psstate == PS_STATE_SLEEP) ||
1784                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1785                                 lbs_deb_host(
1786                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1787                                        le16_to_cpu(cmd->command),
1788                                        priv->psstate);
1789                                 ret = -1;
1790                                 goto done;
1791                         }
1792                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1793                                      "0x%04x in psstate %d\n",
1794                                      le16_to_cpu(cmd->command), priv->psstate);
1795                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1796                         /*
1797                          * 1. Non-PS command:
1798                          * Queue it. set needtowakeup to TRUE if current state
1799                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1800                          * 2. PS command but not Exit_PS:
1801                          * Ignore it.
1802                          * 3. PS command Exit_PS:
1803                          * Set needtowakeup to TRUE if current state is SLEEP,
1804                          * otherwise send this command down to firmware
1805                          * immediately.
1806                          */
1807                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1808                                 /*  Prepare to send Exit PS,
1809                                  *  this non PS command will be sent later */
1810                                 if ((priv->psstate == PS_STATE_SLEEP)
1811                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1812                                     ) {
1813                                         /* w/ new scheme, it will not reach here.
1814                                            since it is blocked in main_thread. */
1815                                         priv->needtowakeup = 1;
1816                                 } else
1817                                         lbs_ps_wakeup(priv, 0);
1818
1819                                 ret = 0;
1820                                 goto done;
1821                         } else {
1822                                 /*
1823                                  * PS command. Ignore it if it is not Exit_PS.
1824                                  * otherwise send it down immediately.
1825                                  */
1826                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1827
1828                                 lbs_deb_host(
1829                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1830                                        psm->action);
1831                                 if (psm->action !=
1832                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1833                                         lbs_deb_host(
1834                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1835                                         list_del(&cmdnode->list);
1836                                         spin_lock_irqsave(&priv->driver_lock, flags);
1837                                         lbs_complete_command(priv, cmdnode, 0);
1838                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1839
1840                                         ret = 0;
1841                                         goto done;
1842                                 }
1843
1844                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1845                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1846                                         lbs_deb_host(
1847                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1848                                         list_del(&cmdnode->list);
1849                                         spin_lock_irqsave(&priv->driver_lock, flags);
1850                                         lbs_complete_command(priv, cmdnode, 0);
1851                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1852                                         priv->needtowakeup = 1;
1853
1854                                         ret = 0;
1855                                         goto done;
1856                                 }
1857
1858                                 lbs_deb_host(
1859                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1860                         }
1861                 }
1862                 list_del(&cmdnode->list);
1863                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1864                             le16_to_cpu(cmd->command));
1865                 lbs_submit_command(priv, cmdnode);
1866         } else {
1867                 /*
1868                  * check if in power save mode, if yes, put the device back
1869                  * to PS mode
1870                  */
1871                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1872                     (priv->psstate == PS_STATE_FULL_POWER) &&
1873                     ((priv->connect_status == LBS_CONNECTED) ||
1874                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1875                         if (priv->secinfo.WPAenabled ||
1876                             priv->secinfo.WPA2enabled) {
1877                                 /* check for valid WPA group keys */
1878                                 if (priv->wpa_mcast_key.len ||
1879                                     priv->wpa_unicast_key.len) {
1880                                         lbs_deb_host(
1881                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1882                                                " go back to PS_SLEEP");
1883                                         lbs_ps_sleep(priv, 0);
1884                                 }
1885                         } else {
1886                                 lbs_deb_host(
1887                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1888                                        "go back to PS_SLEEP");
1889                                 lbs_ps_sleep(priv, 0);
1890                         }
1891                 }
1892         }
1893
1894         ret = 0;
1895 done:
1896         lbs_deb_leave(LBS_DEB_THREAD);
1897         return ret;
1898 }
1899
1900 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1901 {
1902         union iwreq_data iwrq;
1903         u8 buf[50];
1904
1905         lbs_deb_enter(LBS_DEB_WEXT);
1906
1907         memset(&iwrq, 0, sizeof(union iwreq_data));
1908         memset(buf, 0, sizeof(buf));
1909
1910         snprintf(buf, sizeof(buf) - 1, "%s", str);
1911
1912         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1913
1914         /* Send Event to upper layer */
1915         lbs_deb_wext("event indication string %s\n", (char *)buf);
1916         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1917         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1918
1919         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1920
1921         lbs_deb_leave(LBS_DEB_WEXT);
1922 }
1923
1924 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1925 {
1926         unsigned long flags;
1927         int ret = 0;
1928
1929         lbs_deb_enter(LBS_DEB_HOST);
1930
1931         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1932                size);
1933
1934         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1935
1936         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1937
1938         spin_lock_irqsave(&priv->driver_lock, flags);
1939         if (priv->intcounter || priv->currenttxskb)
1940                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1941                        priv->intcounter, priv->currenttxskb);
1942         spin_unlock_irqrestore(&priv->driver_lock, flags);
1943
1944         if (ret) {
1945                 lbs_pr_alert(
1946                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1947         } else {
1948                 spin_lock_irqsave(&priv->driver_lock, flags);
1949                 if (!priv->intcounter) {
1950                         priv->psstate = PS_STATE_SLEEP;
1951                 } else {
1952                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1953                                priv->intcounter);
1954                 }
1955                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1956
1957                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1958         }
1959
1960         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1961         return ret;
1962 }
1963
1964 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1965 {
1966         lbs_deb_enter(LBS_DEB_HOST);
1967
1968         /*
1969          * PS is currently supported only in Infrastructure mode
1970          * Remove this check if it is to be supported in IBSS mode also
1971          */
1972
1973         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1974                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1975
1976         lbs_deb_leave(LBS_DEB_HOST);
1977 }
1978
1979 /**
1980  *  @brief This function sends Exit_PS command to firmware.
1981  *
1982  *  @param priv         A pointer to struct lbs_private structure
1983  *  @param wait_option  wait response or not
1984  *  @return             n/a
1985  */
1986 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1987 {
1988         __le32 Localpsmode;
1989
1990         lbs_deb_enter(LBS_DEB_HOST);
1991
1992         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1993
1994         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1995                               CMD_SUBCMD_EXIT_PS,
1996                               wait_option, 0, &Localpsmode);
1997
1998         lbs_deb_leave(LBS_DEB_HOST);
1999 }
2000
2001 /**
2002  *  @brief This function checks condition and prepares to
2003  *  send sleep confirm command to firmware if ok.
2004  *
2005  *  @param priv         A pointer to struct lbs_private structure
2006  *  @param psmode       Power Saving mode
2007  *  @return             n/a
2008  */
2009 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2010 {
2011         unsigned long flags =0;
2012         u8 allowed = 1;
2013
2014         lbs_deb_enter(LBS_DEB_HOST);
2015
2016         if (priv->dnld_sent) {
2017                 allowed = 0;
2018                 lbs_deb_host("dnld_sent was set\n");
2019         }
2020
2021         spin_lock_irqsave(&priv->driver_lock, flags);
2022         if (priv->cur_cmd) {
2023                 allowed = 0;
2024                 lbs_deb_host("cur_cmd was set\n");
2025         }
2026         if (priv->intcounter > 0) {
2027                 allowed = 0;
2028                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2029         }
2030         spin_unlock_irqrestore(&priv->driver_lock, flags);
2031
2032         if (allowed) {
2033                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2034                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2035                                  sizeof(struct PS_CMD_ConfirmSleep));
2036         } else {
2037                 lbs_deb_host("sleep confirm has been delayed\n");
2038         }
2039
2040         lbs_deb_leave(LBS_DEB_HOST);
2041 }
2042
2043
2044 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
2045         uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
2046         int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2047         unsigned long callback_arg)
2048 {
2049         struct cmd_ctrl_node *cmdnode;
2050
2051         lbs_deb_enter(LBS_DEB_HOST);
2052
2053         if (priv->surpriseremoved) {
2054                 lbs_deb_host("PREP_CMD: card removed\n");
2055                 cmdnode = ERR_PTR(-ENOENT);
2056                 goto done;
2057         }
2058
2059         cmdnode = lbs_get_cmd_ctrl_node(priv);
2060         if (cmdnode == NULL) {
2061                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2062
2063                 /* Wake up main thread to execute next command */
2064                 wake_up_interruptible(&priv->waitq);
2065                 cmdnode = ERR_PTR(-ENOBUFS);
2066                 goto done;
2067         }
2068
2069         cmdnode->callback = callback;
2070         cmdnode->callback_arg = callback_arg;
2071
2072         /* Copy the incoming command to the buffer */
2073         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2074
2075         /* Set sequence number, clean result, move to buffer */
2076         priv->seqnum++;
2077         cmdnode->cmdbuf->command = cpu_to_le16(command);
2078         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2079         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2080         cmdnode->cmdbuf->result  = 0;
2081
2082         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2083
2084         cmdnode->cmdwaitqwoken = 0;
2085         lbs_queue_cmd(priv, cmdnode);
2086         wake_up_interruptible(&priv->waitq);
2087
2088  done:
2089         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2090         return cmdnode;
2091 }
2092
2093 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2094         struct cmd_header *in_cmd, int in_cmd_size)
2095 {
2096         lbs_deb_enter(LBS_DEB_CMD);
2097         __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2098                 lbs_cmd_async_callback, 0);
2099         lbs_deb_leave(LBS_DEB_CMD);
2100 }
2101
2102 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2103               struct cmd_header *in_cmd, int in_cmd_size,
2104               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2105               unsigned long callback_arg)
2106 {
2107         struct cmd_ctrl_node *cmdnode;
2108         unsigned long flags;
2109         int ret = 0;
2110
2111         lbs_deb_enter(LBS_DEB_HOST);
2112
2113         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2114                                   callback, callback_arg);
2115         if (IS_ERR(cmdnode)) {
2116                 ret = PTR_ERR(cmdnode);
2117                 goto done;
2118         }
2119
2120         might_sleep();
2121         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2122
2123         spin_lock_irqsave(&priv->driver_lock, flags);
2124         ret = cmdnode->result;
2125         if (ret)
2126                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2127                             command, ret);
2128
2129         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2130         spin_unlock_irqrestore(&priv->driver_lock, flags);
2131
2132 done:
2133         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2134         return ret;
2135 }
2136 EXPORT_SYMBOL_GPL(__lbs_cmd);
2137
2138