SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/libertas/cmd.c

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14 #include "cmd.h"
  15
  16 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  18                     struct cmd_ctrl_node *ptempnode,
  19                     void *pdata_buf);
  20
  21
  22 /**
  23  *  @brief Checks whether a command is allowed in Power Save mode
  24  *
  25  *  @param command the command ID
  26  *  @return        1 if allowed, 0 if not allowed
  27  */
  28 static u8 is_command_allowed_in_ps(u16 cmd)
  29 {
  30         switch (cmd) {
  31         case CMD_802_11_RSSI:
  32                 return 1;
  33         default:
  34                 break;
  35         }
  36         return 0;
  37 }
  38
  39 /**
  40  *  @brief Updates the hardware details like MAC address and regulatory region
  41  *
  42  *  @param priv         A pointer to struct lbs_private structure
  43  *
  44  *  @return             0 on success, error on failure
  45  */
  46 int lbs_update_hw_spec(struct lbs_private *priv)
  47 {
  48         struct cmd_ds_get_hw_spec cmd;
  49         int ret = -1;
  50         u32 i;
  51         DECLARE_MAC_BUF(mac);
  52
  53         lbs_deb_enter(LBS_DEB_CMD);
  54
  55         memset(&cmd, 0, sizeof(cmd));
  56         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  57         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  58         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  59         if (ret)
  60                 goto out;
  61
  62         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  63         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  64
  65         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  66                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  67                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  68         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  69                     print_mac(mac, cmd.permanentaddr));
  70         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  71                     cmd.hwifversion, cmd.version);
  72
  73         /* Clamp region code to 8-bit since FW spec indicates that it should
  74          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  75          * returns non-zero high 8 bits here.
  76          */
  77         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  78
  79         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  80                 /* use the region code to search for the index */
  81                 if (priv->regioncode == lbs_region_code_to_index[i])
  82                         break;
  83         }
  84
  85         /* if it's unidentified region code, use the default (USA) */
  86         if (i >= MRVDRV_MAX_REGION_CODE) {
  87                 priv->regioncode = 0x10;
  88                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  89         }
  90
  91         if (priv->current_addr[0] == 0xff)
  92                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  93
  94         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  95         if (priv->mesh_dev)
  96                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  97
  98         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
  99                 ret = -1;
 100                 goto out;
 101         }
 102
 103         if (lbs_set_universaltable(priv, 0)) {
 104                 ret = -1;
 105                 goto out;
 106         }
 107
 108 out:
 109         lbs_deb_leave(LBS_DEB_CMD);
 110         return ret;
 111 }
 112
 113 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 114 {
 115         struct cmd_ds_host_sleep cmd_config;
 116         int ret;
 117
 118         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 119         cmd_config.criteria = cpu_to_le32(criteria);
 120         cmd_config.gpio = priv->wol_gpio;
 121         cmd_config.gap = priv->wol_gap;
 122
 123         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 124         if (!ret) {
 125                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 126                 priv->wol_criteria = criteria;
 127         } else {
 128                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 129         }
 130
 131         return ret;
 132 }
 133 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 134
 135 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 136                                    struct cmd_ds_command *cmd,
 137                                    u16 cmd_action)
 138 {
 139         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 140
 141         lbs_deb_enter(LBS_DEB_CMD);
 142
 143         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 144         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 145                                 S_DS_GEN);
 146         psm->action = cpu_to_le16(cmd_action);
 147         psm->multipledtim = 0;
 148         switch (cmd_action) {
 149         case CMD_SUBCMD_ENTER_PS:
 150                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 151
 152                 psm->locallisteninterval = 0;
 153                 psm->nullpktinterval = 0;
 154                 psm->multipledtim =
 155                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 156                 break;
 157
 158         case CMD_SUBCMD_EXIT_PS:
 159                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 160                 break;
 161
 162         case CMD_SUBCMD_SLEEP_CONFIRMED:
 163                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 164                 break;
 165
 166         default:
 167                 break;
 168         }
 169
 170         lbs_deb_leave(LBS_DEB_CMD);
 171         return 0;
 172 }
 173
 174 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 175                                       uint16_t cmd_action, uint16_t *timeout)
 176 {
 177         struct cmd_ds_802_11_inactivity_timeout cmd;
 178         int ret;
 179
 180         lbs_deb_enter(LBS_DEB_CMD);
 181
 182         cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 183         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 184
 185         cmd.action = cpu_to_le16(cmd_action);
 186
 187         if (cmd_action == CMD_ACT_SET)
 188                 cmd.timeout = cpu_to_le16(*timeout);
 189         else
 190                 cmd.timeout = 0;
 191
 192         ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
 193
 194         if (!ret)
 195                 *timeout = le16_to_cpu(cmd.timeout);
 196
 197         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 198         return 0;
 199 }
 200
 201 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 202                                 struct sleep_params *sp)
 203 {
 204         struct cmd_ds_802_11_sleep_params cmd;
 205         int ret;
 206
 207         lbs_deb_enter(LBS_DEB_CMD);
 208
 209         if (cmd_action == CMD_ACT_GET) {
 210                 memset(&cmd, 0, sizeof(cmd));
 211         } else {
 212                 cmd.error = cpu_to_le16(sp->sp_error);
 213                 cmd.offset = cpu_to_le16(sp->sp_offset);
 214                 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
 215                 cmd.calcontrol = sp->sp_calcontrol;
 216                 cmd.externalsleepclk = sp->sp_extsleepclk;
 217                 cmd.reserved = cpu_to_le16(sp->sp_reserved);
 218         }
 219         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 220         cmd.action = cpu_to_le16(cmd_action);
 221
 222         ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
 223
 224         if (!ret) {
 225                 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
 226                             "calcontrol 0x%x extsleepclk 0x%x\n",
 227                             le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
 228                             le16_to_cpu(cmd.stabletime), cmd.calcontrol,
 229                             cmd.externalsleepclk);
 230
 231                 sp->sp_error = le16_to_cpu(cmd.error);
 232                 sp->sp_offset = le16_to_cpu(cmd.offset);
 233                 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
 234                 sp->sp_calcontrol = cmd.calcontrol;
 235                 sp->sp_extsleepclk = cmd.externalsleepclk;
 236                 sp->sp_reserved = le16_to_cpu(cmd.reserved);
 237         }
 238
 239         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 240         return 0;
 241 }
 242
 243 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 244                            struct assoc_request *assoc)
 245 {
 246         struct cmd_ds_802_11_set_wep cmd;
 247         int ret = 0;
 248
 249         lbs_deb_enter(LBS_DEB_CMD);
 250
 251         cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
 252         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 253
 254         cmd.action = cpu_to_le16(cmd_action);
 255
 256         if (cmd_action == CMD_ACT_ADD) {
 257                 int i;
 258
 259                 /* default tx key index */
 260                 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
 261                                            CMD_WEP_KEY_INDEX_MASK);
 262
 263                 /* Copy key types and material to host command structure */
 264                 for (i = 0; i < 4; i++) {
 265                         struct enc_key *pkey = &assoc->wep_keys[i];
 266
 267                         switch (pkey->len) {
 268                         case KEY_LEN_WEP_40:
 269                                 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
 270                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 271                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 272                                 break;
 273                         case KEY_LEN_WEP_104:
 274                                 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
 275                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 276                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 277                                 break;
 278                         case 0:
 279                                 break;
 280                         default:
 281                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 282                                             i, pkey->len);
 283                                 ret = -1;
 284                                 goto done;
 285                                 break;
 286                         }
 287                 }
 288         } else if (cmd_action == CMD_ACT_REMOVE) {
 289                 /* ACT_REMOVE clears _all_ WEP keys */
 290
 291                 /* default tx key index */
 292                 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
 293                                            CMD_WEP_KEY_INDEX_MASK);
 294                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 295         }
 296
 297         ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 298 done:
 299         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 300         return ret;
 301 }
 302
 303 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 304                               uint16_t *enable)
 305 {
 306         struct cmd_ds_802_11_enable_rsn cmd;
 307         int ret;
 308
 309         lbs_deb_enter(LBS_DEB_CMD);
 310
 311         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 312         cmd.action = cpu_to_le16(cmd_action);
 313
 314         if (cmd_action == CMD_ACT_SET) {
 315                 if (*enable)
 316                         cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 317                 else
 318                         cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 319                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 320         }
 321
 322         ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
 323         if (!ret && cmd_action == CMD_ACT_GET)
 324                 *enable = le16_to_cpu(cmd.enable);
 325
 326         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 327         return ret;
 328 }
 329
 330 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 331                             struct enc_key * pkey)
 332 {
 333         lbs_deb_enter(LBS_DEB_CMD);
 334
 335         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 336                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 337         }
 338         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 339                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 340         }
 341         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 342                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 343         }
 344
 345         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 346         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 347         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 348         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 349         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 350                                                 + sizeof(pkeyparamset->keyinfo)
 351                                                 + sizeof(pkeyparamset->keylen)
 352                                                 + sizeof(pkeyparamset->key));
 353         lbs_deb_leave(LBS_DEB_CMD);
 354 }
 355
 356 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 357                                         struct cmd_ds_command *cmd,
 358                                         u16 cmd_action,
 359                                         u32 cmd_oid, void *pdata_buf)
 360 {
 361         struct cmd_ds_802_11_key_material *pkeymaterial =
 362             &cmd->params.keymaterial;
 363         struct assoc_request * assoc_req = pdata_buf;
 364         int ret = 0;
 365         int index = 0;
 366
 367         lbs_deb_enter(LBS_DEB_CMD);
 368
 369         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 370         pkeymaterial->action = cpu_to_le16(cmd_action);
 371
 372         if (cmd_action == CMD_ACT_GET) {
 373                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 374                 ret = 0;
 375                 goto done;
 376         }
 377
 378         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 379
 380         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 381                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 382                                 &assoc_req->wpa_unicast_key);
 383                 index++;
 384         }
 385
 386         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 387                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 388                                 &assoc_req->wpa_mcast_key);
 389                 index++;
 390         }
 391
 392         cmd->size = cpu_to_le16(  S_DS_GEN
 393                                 + sizeof (pkeymaterial->action)
 394                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 395
 396         ret = 0;
 397
 398 done:
 399         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 400         return ret;
 401 }
 402
 403 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 404                                  struct cmd_ds_command *cmd, int cmd_action)
 405 {
 406         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 407
 408         lbs_deb_enter(LBS_DEB_CMD);
 409
 410         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 411         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 412         reset->action = cpu_to_le16(cmd_action);
 413
 414         lbs_deb_leave(LBS_DEB_CMD);
 415         return 0;
 416 }
 417
 418 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 419                                    struct cmd_ds_command *cmd)
 420 {
 421         lbs_deb_enter(LBS_DEB_CMD);
 422         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 423         cmd->size =
 424                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 425
 426         lbs_deb_leave(LBS_DEB_CMD);
 427         return 0;
 428 }
 429
 430 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 431                                     struct cmd_ds_command *cmd)
 432 {
 433         lbs_deb_enter(LBS_DEB_CMD);
 434         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 435         cmd->size =
 436             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 437
 438         lbs_deb_leave(LBS_DEB_CMD);
 439         return 0;
 440 }
 441
 442 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 443                                     struct cmd_ds_command *cmd,
 444                                     int cmd_action,
 445                                     int cmd_oid, void *pdata_buf)
 446 {
 447         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 448         u8 ucTemp;
 449
 450         lbs_deb_enter(LBS_DEB_CMD);
 451
 452         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 453
 454         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 455         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 456
 457         switch (cmd_oid) {
 458         case OID_802_11_INFRASTRUCTURE_MODE:
 459         {
 460                 u8 mode = (u8) (size_t) pdata_buf;
 461                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 462                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 463                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 464                 if (mode == IW_MODE_ADHOC) {
 465                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 466                 } else {
 467                         /* Infra and Auto modes */
 468                         ucTemp = SNMP_MIB_VALUE_INFRA;
 469                 }
 470
 471                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 472
 473                 break;
 474         }
 475
 476         case OID_802_11D_ENABLE:
 477                 {
 478                         u32 ulTemp;
 479
 480                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 481
 482                         if (cmd_action == CMD_ACT_SET) {
 483                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 484                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 485                                 ulTemp = *(u32 *)pdata_buf;
 486                                 *((__le16 *)(pSNMPMIB->value)) =
 487                                     cpu_to_le16((u16) ulTemp);
 488                         }
 489                         break;
 490                 }
 491
 492         case OID_802_11_FRAGMENTATION_THRESHOLD:
 493                 {
 494                         u32 ulTemp;
 495
 496                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 497
 498                         if (cmd_action == CMD_ACT_GET) {
 499                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 500                         } else if (cmd_action == CMD_ACT_SET) {
 501                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 502                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 503                                 ulTemp = *((u32 *) pdata_buf);
 504                                 *((__le16 *)(pSNMPMIB->value)) =
 505                                     cpu_to_le16((u16) ulTemp);
 506
 507                         }
 508
 509                         break;
 510                 }
 511
 512         case OID_802_11_RTS_THRESHOLD:
 513                 {
 514
 515                         u32 ulTemp;
 516                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 517
 518                         if (cmd_action == CMD_ACT_GET) {
 519                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 520                         } else if (cmd_action == CMD_ACT_SET) {
 521                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 522                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 523                                 ulTemp = *((u32 *)pdata_buf);
 524                                 *(__le16 *)(pSNMPMIB->value) =
 525                                     cpu_to_le16((u16) ulTemp);
 526
 527                         }
 528                         break;
 529                 }
 530         case OID_802_11_TX_RETRYCOUNT:
 531                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 532
 533                 if (cmd_action == CMD_ACT_GET) {
 534                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 535                 } else if (cmd_action == CMD_ACT_SET) {
 536                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 537                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 538                         *((__le16 *)(pSNMPMIB->value)) =
 539                             cpu_to_le16((u16) priv->txretrycount);
 540                 }
 541
 542                 break;
 543         default:
 544                 break;
 545         }
 546
 547         lbs_deb_cmd(
 548                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 549                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 550                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 551
 552         lbs_deb_cmd(
 553                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 554                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 555                le16_to_cpu(pSNMPMIB->bufsize),
 556                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 557
 558         lbs_deb_leave(LBS_DEB_CMD);
 559         return 0;
 560 }
 561
 562 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 563                                        struct cmd_ds_command *cmd,
 564                                        u16 cmd_action, void *pdata_buf)
 565 {
 566
 567         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 568
 569         lbs_deb_enter(LBS_DEB_CMD);
 570
 571         cmd->size =
 572             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 573         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 574         prtp->action = cpu_to_le16(cmd_action);
 575
 576         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 577                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 578                     le16_to_cpu(prtp->action));
 579
 580         switch (cmd_action) {
 581         case CMD_ACT_TX_POWER_OPT_GET:
 582                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 583                 prtp->currentlevel = 0;
 584                 break;
 585
 586         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 587                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 588                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 589                 break;
 590
 591         case CMD_ACT_TX_POWER_OPT_SET_MID:
 592                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 593                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 594                 break;
 595
 596         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 597                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 598                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 599                 break;
 600         }
 601
 602         lbs_deb_leave(LBS_DEB_CMD);
 603         return 0;
 604 }
 605
 606 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 607                                       struct cmd_ds_command *cmd,
 608                                       u16 cmd_action, void *pdata_buf)
 609 {
 610         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 611
 612         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 613         cmd->size =
 614             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 615                              S_DS_GEN);
 616
 617         monitor->action = cpu_to_le16(cmd_action);
 618         if (cmd_action == CMD_ACT_SET) {
 619                 monitor->mode =
 620                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 621         }
 622
 623         return 0;
 624 }
 625
 626 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 627                                               struct cmd_ds_command *cmd,
 628                                               u16 cmd_action)
 629 {
 630         struct cmd_ds_802_11_rate_adapt_rateset
 631         *rateadapt = &cmd->params.rateset;
 632
 633         lbs_deb_enter(LBS_DEB_CMD);
 634         cmd->size =
 635             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 636                              + S_DS_GEN);
 637         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 638
 639         rateadapt->action = cpu_to_le16(cmd_action);
 640         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 641         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 642
 643         lbs_deb_leave(LBS_DEB_CMD);
 644         return 0;
 645 }
 646
 647 /**
 648  *  @brief Get the current data rate
 649  *
 650  *  @param priv         A pointer to struct lbs_private structure
 651  *
 652  *  @return             The data rate on success, error on failure
 653  */
 654 int lbs_get_data_rate(struct lbs_private *priv)
 655 {
 656         struct cmd_ds_802_11_data_rate cmd;
 657         int ret = -1;
 658
 659         lbs_deb_enter(LBS_DEB_CMD);
 660
 661         memset(&cmd, 0, sizeof(cmd));
 662         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 663         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 664
 665         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 666         if (ret)
 667                 goto out;
 668
 669         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 670
 671         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 672         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 673
 674 out:
 675         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 676         return ret;
 677 }
 678
 679 /**
 680  *  @brief Set the data rate
 681  *
 682  *  @param priv         A pointer to struct lbs_private structure
 683  *  @param rate         The desired data rate, or 0 to clear a locked rate
 684  *
 685  *  @return             0 on success, error on failure
 686  */
 687 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 688 {
 689         struct cmd_ds_802_11_data_rate cmd;
 690         int ret = 0;
 691
 692         lbs_deb_enter(LBS_DEB_CMD);
 693
 694         memset(&cmd, 0, sizeof(cmd));
 695         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 696
 697         if (rate > 0) {
 698                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 699                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 700                 if (cmd.rates[0] == 0) {
 701                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 702                                     " 0x%02X\n", rate);
 703                         ret = 0;
 704                         goto out;
 705                 }
 706                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 707         } else {
 708                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 709                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 710         }
 711
 712         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 713         if (ret)
 714                 goto out;
 715
 716         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 717
 718         /* FIXME: get actual rates FW can do if this command actually returns
 719          * all data rates supported.
 720          */
 721         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 722         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 723
 724 out:
 725         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 726         return ret;
 727 }
 728
 729 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 730                                       struct cmd_ds_command *cmd,
 731                                       u16 cmd_action)
 732 {
 733         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 734
 735         lbs_deb_enter(LBS_DEB_CMD);
 736         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 737                              S_DS_GEN);
 738         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 739
 740         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 741         pMCastAdr->action = cpu_to_le16(cmd_action);
 742         pMCastAdr->nr_of_adrs =
 743             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 744         memcpy(pMCastAdr->maclist, priv->multicastlist,
 745                priv->nr_of_multicastmacaddr * ETH_ALEN);
 746
 747         lbs_deb_leave(LBS_DEB_CMD);
 748         return 0;
 749 }
 750
 751 /**
 752  *  @brief Get the radio channel
 753  *
 754  *  @param priv         A pointer to struct lbs_private structure
 755  *
 756  *  @return             The channel on success, error on failure
 757  */
 758 int lbs_get_channel(struct lbs_private *priv)
 759 {
 760         struct cmd_ds_802_11_rf_channel cmd;
 761         int ret = 0;
 762
 763         lbs_deb_enter(LBS_DEB_CMD);
 764
 765         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 766         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 767
 768         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 769         if (ret)
 770                 goto out;
 771
 772         ret = le16_to_cpu(cmd.channel);
 773         lbs_deb_cmd("current radio channel is %d\n", ret);
 774
 775 out:
 776         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 777         return ret;
 778 }
 779
 780 /**
 781  *  @brief Set the radio channel
 782  *
 783  *  @param priv         A pointer to struct lbs_private structure
 784  *  @param channel      The desired channel, or 0 to clear a locked channel
 785  *
 786  *  @return             0 on success, error on failure
 787  */
 788 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 789 {
 790         struct cmd_ds_802_11_rf_channel cmd;
 791         u8 old_channel = priv->curbssparams.channel;
 792         int ret = 0;
 793
 794         lbs_deb_enter(LBS_DEB_CMD);
 795
 796         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 797         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 798         cmd.channel = cpu_to_le16(channel);
 799
 800         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 801         if (ret)
 802                 goto out;
 803
 804         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 805         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 806                 priv->curbssparams.channel);
 807
 808 out:
 809         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 810         return ret;
 811 }
 812
 813 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 814                                 struct cmd_ds_command *cmd)
 815 {
 816
 817         lbs_deb_enter(LBS_DEB_CMD);
 818         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 819         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 820         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 821
 822         /* reset Beacon SNR/NF/RSSI values */
 823         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 824         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 825         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 826         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 827         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 828         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 829
 830         lbs_deb_leave(LBS_DEB_CMD);
 831         return 0;
 832 }
 833
 834 static int lbs_cmd_reg_access(struct lbs_private *priv,
 835                                struct cmd_ds_command *cmdptr,
 836                                u8 cmd_action, void *pdata_buf)
 837 {
 838         struct lbs_offset_value *offval;
 839
 840         lbs_deb_enter(LBS_DEB_CMD);
 841
 842         offval = (struct lbs_offset_value *)pdata_buf;
 843
 844         switch (le16_to_cpu(cmdptr->command)) {
 845         case CMD_MAC_REG_ACCESS:
 846                 {
 847                         struct cmd_ds_mac_reg_access *macreg;
 848
 849                         cmdptr->size =
 850                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 851                                         + S_DS_GEN);
 852                         macreg =
 853                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 854                             macreg;
 855
 856                         macreg->action = cpu_to_le16(cmd_action);
 857                         macreg->offset = cpu_to_le16((u16) offval->offset);
 858                         macreg->value = cpu_to_le32(offval->value);
 859
 860                         break;
 861                 }
 862
 863         case CMD_BBP_REG_ACCESS:
 864                 {
 865                         struct cmd_ds_bbp_reg_access *bbpreg;
 866
 867                         cmdptr->size =
 868                             cpu_to_le16(sizeof
 869                                              (struct cmd_ds_bbp_reg_access)
 870                                              + S_DS_GEN);
 871                         bbpreg =
 872                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 873                             bbpreg;
 874
 875                         bbpreg->action = cpu_to_le16(cmd_action);
 876                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 877                         bbpreg->value = (u8) offval->value;
 878
 879                         break;
 880                 }
 881
 882         case CMD_RF_REG_ACCESS:
 883                 {
 884                         struct cmd_ds_rf_reg_access *rfreg;
 885
 886                         cmdptr->size =
 887                             cpu_to_le16(sizeof
 888                                              (struct cmd_ds_rf_reg_access) +
 889                                              S_DS_GEN);
 890                         rfreg =
 891                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 892                             rfreg;
 893
 894                         rfreg->action = cpu_to_le16(cmd_action);
 895                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 896                         rfreg->value = (u8) offval->value;
 897
 898                         break;
 899                 }
 900
 901         default:
 902                 break;
 903         }
 904
 905         lbs_deb_leave(LBS_DEB_CMD);
 906         return 0;
 907 }
 908
 909 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 910                                        struct cmd_ds_command *cmd,
 911                                        u16 cmd_action)
 912 {
 913
 914         lbs_deb_enter(LBS_DEB_CMD);
 915         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 916         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 917                              S_DS_GEN);
 918         cmd->result = 0;
 919
 920         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 921
 922         if (cmd_action == CMD_ACT_SET) {
 923                 memcpy(cmd->params.macadd.macadd,
 924                        priv->current_addr, ETH_ALEN);
 925                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 926         }
 927
 928         lbs_deb_leave(LBS_DEB_CMD);
 929         return 0;
 930 }
 931
 932 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 933                                          struct cmd_ds_command *cmd,
 934                                          int cmd_action, void *pdata_buf)
 935 {
 936         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 937
 938         lbs_deb_enter(LBS_DEB_CMD);
 939
 940         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 941         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 942                                 S_DS_GEN);
 943         cmd->result = 0;
 944
 945         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 946         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 947         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 948         cmd->params.rdeeprom.value = 0;
 949
 950         lbs_deb_leave(LBS_DEB_CMD);
 951         return 0;
 952 }
 953
 954 static int lbs_cmd_bt_access(struct lbs_private *priv,
 955                                struct cmd_ds_command *cmd,
 956                                u16 cmd_action, void *pdata_buf)
 957 {
 958         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 959         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 960
 961         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
 962         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
 963         cmd->result = 0;
 964         bt_access->action = cpu_to_le16(cmd_action);
 965
 966         switch (cmd_action) {
 967         case CMD_ACT_BT_ACCESS_ADD:
 968                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 969                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
 970                 break;
 971         case CMD_ACT_BT_ACCESS_DEL:
 972                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 973                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
 974                 break;
 975         case CMD_ACT_BT_ACCESS_LIST:
 976                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 977                 break;
 978         case CMD_ACT_BT_ACCESS_RESET:
 979                 break;
 980         case CMD_ACT_BT_ACCESS_SET_INVERT:
 981                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 982                 break;
 983         case CMD_ACT_BT_ACCESS_GET_INVERT:
 984                 break;
 985         default:
 986                 break;
 987         }
 988         lbs_deb_leave(LBS_DEB_CMD);
 989         return 0;
 990 }
 991
 992 static int lbs_cmd_fwt_access(struct lbs_private *priv,
 993                                struct cmd_ds_command *cmd,
 994                                u16 cmd_action, void *pdata_buf)
 995 {
 996         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 997         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 998
 999         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1000         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1001         cmd->result = 0;
1002
1003         if (pdata_buf)
1004                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1005         else
1006                 memset(fwt_access, 0, sizeof(*fwt_access));
1007
1008         fwt_access->action = cpu_to_le16(cmd_action);
1009
1010         lbs_deb_leave(LBS_DEB_CMD);
1011         return 0;
1012 }
1013
1014 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1015                     struct cmd_ds_mesh_access *cmd)
1016 {
1017         int ret;
1018
1019         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1020
1021         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1022         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1023         cmd->hdr.result = 0;
1024
1025         cmd->action = cpu_to_le16(cmd_action);
1026
1027         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1028
1029         lbs_deb_leave(LBS_DEB_CMD);
1030         return ret;
1031 }
1032 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1033
1034 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1035 {
1036         struct cmd_ds_mesh_config cmd;
1037
1038         memset(&cmd, 0, sizeof(cmd));
1039         cmd.action = cpu_to_le16(enable);
1040         cmd.channel = cpu_to_le16(chan);
1041         cmd.type = cpu_to_le16(priv->mesh_tlv);
1042         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1043
1044         if (enable) {
1045                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1046                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1047         }
1048         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1049                     enable, priv->mesh_tlv, chan,
1050                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1051         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1052 }
1053
1054 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1055                                 struct cmd_ds_command *cmd,
1056                                 u16 cmd_action)
1057 {
1058         struct cmd_ds_802_11_beacon_control
1059                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1060
1061         lbs_deb_enter(LBS_DEB_CMD);
1062         cmd->size =
1063             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1064                              + S_DS_GEN);
1065         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1066
1067         bcn_ctrl->action = cpu_to_le16(cmd_action);
1068         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1069         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1070
1071         lbs_deb_leave(LBS_DEB_CMD);
1072         return 0;
1073 }
1074
1075 static void lbs_queue_cmd(struct lbs_private *priv,
1076                           struct cmd_ctrl_node *cmdnode)
1077 {
1078         unsigned long flags;
1079         int addtail = 1;
1080
1081         lbs_deb_enter(LBS_DEB_HOST);
1082
1083         if (!cmdnode) {
1084                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1085                 goto done;
1086         }
1087         if (!cmdnode->cmdbuf->size) {
1088                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1089                 goto done;
1090         }
1091         cmdnode->result = 0;
1092
1093         /* Exit_PS command needs to be queued in the header always. */
1094         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1095                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1096
1097                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1098                         if (priv->psstate != PS_STATE_FULL_POWER)
1099                                 addtail = 0;
1100                 }
1101         }
1102
1103         spin_lock_irqsave(&priv->driver_lock, flags);
1104
1105         if (addtail)
1106                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1107         else
1108                 list_add(&cmdnode->list, &priv->cmdpendingq);
1109
1110         spin_unlock_irqrestore(&priv->driver_lock, flags);
1111
1112         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1113                      le16_to_cpu(cmdnode->cmdbuf->command));
1114
1115 done:
1116         lbs_deb_leave(LBS_DEB_HOST);
1117 }
1118
1119 static void lbs_submit_command(struct lbs_private *priv,
1120                                struct cmd_ctrl_node *cmdnode)
1121 {
1122         unsigned long flags;
1123         struct cmd_header *cmd;
1124         uint16_t cmdsize;
1125         uint16_t command;
1126         int timeo = 5 * HZ;
1127         int ret;
1128
1129         lbs_deb_enter(LBS_DEB_HOST);
1130
1131         cmd = cmdnode->cmdbuf;
1132
1133         spin_lock_irqsave(&priv->driver_lock, flags);
1134         priv->cur_cmd = cmdnode;
1135         priv->cur_cmd_retcode = 0;
1136         spin_unlock_irqrestore(&priv->driver_lock, flags);
1137
1138         cmdsize = le16_to_cpu(cmd->size);
1139         command = le16_to_cpu(cmd->command);
1140
1141         /* These commands take longer */
1142         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1143             command == CMD_802_11_AUTHENTICATE)
1144                 timeo = 10 * HZ;
1145
1146         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1147                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1148         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1149
1150         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1151
1152         if (ret) {
1153                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1154                 /* Let the timer kick in and retry, and potentially reset
1155                    the whole thing if the condition persists */
1156                 timeo = HZ;
1157         } else
1158                 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1159                             command, jiffies);
1160
1161         /* Setup the timer after transmit command */
1162         mod_timer(&priv->command_timer, jiffies + timeo);
1163
1164         lbs_deb_leave(LBS_DEB_HOST);
1165 }
1166
1167 static int lbs_cmd_mac_control(struct lbs_private *priv,
1168                                 struct cmd_ds_command *cmd)
1169 {
1170         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1171
1172         lbs_deb_enter(LBS_DEB_CMD);
1173
1174         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1175         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1176         mac->action = cpu_to_le16(priv->currentpacketfilter);
1177
1178         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1179                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1180
1181         lbs_deb_leave(LBS_DEB_CMD);
1182         return 0;
1183 }
1184
1185 /**
1186  *  This function inserts command node to cmdfreeq
1187  *  after cleans it. Requires priv->driver_lock held.
1188  */
1189 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1190                                          struct cmd_ctrl_node *cmdnode)
1191 {
1192         lbs_deb_enter(LBS_DEB_HOST);
1193
1194         if (!cmdnode)
1195                 goto out;
1196
1197         cmdnode->callback = NULL;
1198         cmdnode->callback_arg = 0;
1199
1200         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1201
1202         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1203  out:
1204         lbs_deb_leave(LBS_DEB_HOST);
1205 }
1206
1207 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1208         struct cmd_ctrl_node *ptempcmd)
1209 {
1210         unsigned long flags;
1211
1212         spin_lock_irqsave(&priv->driver_lock, flags);
1213         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1214         spin_unlock_irqrestore(&priv->driver_lock, flags);
1215 }
1216
1217 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1218                           int result)
1219 {
1220         if (cmd == priv->cur_cmd)
1221                 priv->cur_cmd_retcode = result;
1222
1223         cmd->result = result;
1224         cmd->cmdwaitqwoken = 1;
1225         wake_up_interruptible(&cmd->cmdwait_q);
1226
1227         if (!cmd->callback)
1228                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1229         priv->cur_cmd = NULL;
1230 }
1231
1232 int lbs_set_radio_control(struct lbs_private *priv)
1233 {
1234         int ret = 0;
1235         struct cmd_ds_802_11_radio_control cmd;
1236
1237         lbs_deb_enter(LBS_DEB_CMD);
1238
1239         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1240         cmd.action = cpu_to_le16(CMD_ACT_SET);
1241
1242         switch (priv->preamble) {
1243         case CMD_TYPE_SHORT_PREAMBLE:
1244                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1245                 break;
1246
1247         case CMD_TYPE_LONG_PREAMBLE:
1248                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1249                 break;
1250
1251         case CMD_TYPE_AUTO_PREAMBLE:
1252         default:
1253                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1254                 break;
1255         }
1256
1257         if (priv->radioon)
1258                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1259         else
1260                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1261
1262         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1263                     priv->preamble);
1264
1265         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1266
1267         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1268         return ret;
1269 }
1270
1271 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1272 {
1273         int ret = 0;
1274
1275         lbs_deb_enter(LBS_DEB_CMD);
1276
1277         /* Send MAC control command to station */
1278         ret = lbs_prepare_and_send_command(priv,
1279                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1280
1281         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1282         return ret;
1283 }
1284
1285 /**
1286  *  @brief This function prepare the command before send to firmware.
1287  *
1288  *  @param priv         A pointer to struct lbs_private structure
1289  *  @param cmd_no       command number
1290  *  @param cmd_action   command action: GET or SET
1291  *  @param wait_option  wait option: wait response or not
1292  *  @param cmd_oid      cmd oid: treated as sub command
1293  *  @param pdata_buf    A pointer to informaion buffer
1294  *  @return             0 or -1
1295  */
1296 int lbs_prepare_and_send_command(struct lbs_private *priv,
1297                           u16 cmd_no,
1298                           u16 cmd_action,
1299                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1300 {
1301         int ret = 0;
1302         struct cmd_ctrl_node *cmdnode;
1303         struct cmd_ds_command *cmdptr;
1304         unsigned long flags;
1305
1306         lbs_deb_enter(LBS_DEB_HOST);
1307
1308         if (!priv) {
1309                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1310                 ret = -1;
1311                 goto done;
1312         }
1313
1314         if (priv->surpriseremoved) {
1315                 lbs_deb_host("PREP_CMD: card removed\n");
1316                 ret = -1;
1317                 goto done;
1318         }
1319
1320         cmdnode = lbs_get_cmd_ctrl_node(priv);
1321
1322         if (cmdnode == NULL) {
1323                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1324
1325                 /* Wake up main thread to execute next command */
1326                 wake_up_interruptible(&priv->waitq);
1327                 ret = -1;
1328                 goto done;
1329         }
1330
1331         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1332
1333         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1334
1335         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1336
1337         /* Set sequence number, command and INT option */
1338         priv->seqnum++;
1339         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1340
1341         cmdptr->command = cpu_to_le16(cmd_no);
1342         cmdptr->result = 0;
1343
1344         switch (cmd_no) {
1345         case CMD_802_11_PS_MODE:
1346                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1347                 break;
1348
1349         case CMD_802_11_SCAN:
1350                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1351                 break;
1352
1353         case CMD_MAC_CONTROL:
1354                 ret = lbs_cmd_mac_control(priv, cmdptr);
1355                 break;
1356
1357         case CMD_802_11_ASSOCIATE:
1358         case CMD_802_11_REASSOCIATE:
1359                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1360                 break;
1361
1362         case CMD_802_11_DEAUTHENTICATE:
1363                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1364                 break;
1365
1366         case CMD_802_11_AD_HOC_START:
1367                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1368                 break;
1369         case CMD_CODE_DNLD:
1370                 break;
1371
1372         case CMD_802_11_RESET:
1373                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1374                 break;
1375
1376         case CMD_802_11_GET_LOG:
1377                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1378                 break;
1379
1380         case CMD_802_11_AUTHENTICATE:
1381                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1382                 break;
1383
1384         case CMD_802_11_GET_STAT:
1385                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1386                 break;
1387
1388         case CMD_802_11_SNMP_MIB:
1389                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1390                                                cmd_action, cmd_oid, pdata_buf);
1391                 break;
1392
1393         case CMD_MAC_REG_ACCESS:
1394         case CMD_BBP_REG_ACCESS:
1395         case CMD_RF_REG_ACCESS:
1396                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1397                 break;
1398
1399         case CMD_802_11_RF_TX_POWER:
1400                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1401                                                   cmd_action, pdata_buf);
1402                 break;
1403
1404         case CMD_802_11_RATE_ADAPT_RATESET:
1405                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1406                                                          cmdptr, cmd_action);
1407                 break;
1408
1409         case CMD_MAC_MULTICAST_ADR:
1410                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1411                 break;
1412
1413         case CMD_802_11_MONITOR_MODE:
1414                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1415                                           cmd_action, pdata_buf);
1416                 break;
1417
1418         case CMD_802_11_AD_HOC_JOIN:
1419                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1420                 break;
1421
1422         case CMD_802_11_RSSI:
1423                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1424                 break;
1425
1426         case CMD_802_11_AD_HOC_STOP:
1427                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1428                 break;
1429
1430         case CMD_802_11_KEY_MATERIAL:
1431                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1432                                 cmd_oid, pdata_buf);
1433                 break;
1434
1435         case CMD_802_11_PAIRWISE_TSC:
1436                 break;
1437         case CMD_802_11_GROUP_TSC:
1438                 break;
1439
1440         case CMD_802_11_MAC_ADDRESS:
1441                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1442                 break;
1443
1444         case CMD_802_11_EEPROM_ACCESS:
1445                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1446                                                     cmd_action, pdata_buf);
1447                 break;
1448
1449         case CMD_802_11_SET_AFC:
1450         case CMD_802_11_GET_AFC:
1451
1452                 cmdptr->command = cpu_to_le16(cmd_no);
1453                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1454                                            S_DS_GEN);
1455
1456                 memmove(&cmdptr->params.afc,
1457                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1458
1459                 ret = 0;
1460                 goto done;
1461
1462         case CMD_802_11D_DOMAIN_INFO:
1463                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1464                                                    cmd_no, cmd_action);
1465                 break;
1466
1467         case CMD_802_11_TPC_CFG:
1468                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1469                 cmdptr->size =
1470                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1471                                      S_DS_GEN);
1472
1473                 memmove(&cmdptr->params.tpccfg,
1474                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1475
1476                 ret = 0;
1477                 break;
1478         case CMD_802_11_LED_GPIO_CTRL:
1479                 {
1480                         struct mrvlietypes_ledgpio *gpio =
1481                             (struct mrvlietypes_ledgpio*)
1482                             cmdptr->params.ledgpio.data;
1483
1484                         memmove(&cmdptr->params.ledgpio,
1485                                 pdata_buf,
1486                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1487
1488                         cmdptr->command =
1489                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1490
1491 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1492                         cmdptr->size =
1493                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1494                                 + S_DS_GEN
1495                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1496                         gpio->header.len = gpio->header.len;
1497
1498                         ret = 0;
1499                         break;
1500                 }
1501
1502         case CMD_802_11_PWR_CFG:
1503                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1504                 cmdptr->size =
1505                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1506                                      S_DS_GEN);
1507                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1508                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1509
1510                 ret = 0;
1511                 break;
1512         case CMD_BT_ACCESS:
1513                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1514                 break;
1515
1516         case CMD_FWT_ACCESS:
1517                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1518                 break;
1519
1520         case CMD_GET_TSF:
1521                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1522                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1523                                            S_DS_GEN);
1524                 ret = 0;
1525                 break;
1526         case CMD_802_11_BEACON_CTRL:
1527                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1528                 break;
1529         default:
1530                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1531                 ret = -1;
1532                 break;
1533         }
1534
1535         /* return error, since the command preparation failed */
1536         if (ret != 0) {
1537                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1538                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1539                 ret = -1;
1540                 goto done;
1541         }
1542
1543         cmdnode->cmdwaitqwoken = 0;
1544
1545         lbs_queue_cmd(priv, cmdnode);
1546         wake_up_interruptible(&priv->waitq);
1547
1548         if (wait_option & CMD_OPTION_WAITFORRSP) {
1549                 lbs_deb_host("PREP_CMD: wait for response\n");
1550                 might_sleep();
1551                 wait_event_interruptible(cmdnode->cmdwait_q,
1552                                          cmdnode->cmdwaitqwoken);
1553         }
1554
1555         spin_lock_irqsave(&priv->driver_lock, flags);
1556         if (priv->cur_cmd_retcode) {
1557                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1558                        priv->cur_cmd_retcode);
1559                 priv->cur_cmd_retcode = 0;
1560                 ret = -1;
1561         }
1562         spin_unlock_irqrestore(&priv->driver_lock, flags);
1563
1564 done:
1565         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1566         return ret;
1567 }
1568 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1569
1570 /**
1571  *  @brief This function allocates the command buffer and link
1572  *  it to command free queue.
1573  *
1574  *  @param priv         A pointer to struct lbs_private structure
1575  *  @return             0 or -1
1576  */
1577 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1578 {
1579         int ret = 0;
1580         u32 bufsize;
1581         u32 i;
1582         struct cmd_ctrl_node *cmdarray;
1583
1584         lbs_deb_enter(LBS_DEB_HOST);
1585
1586         /* Allocate and initialize the command array */
1587         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1588         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1589                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1590                 ret = -1;
1591                 goto done;
1592         }
1593         priv->cmd_array = cmdarray;
1594
1595         /* Allocate and initialize each command buffer in the command array */
1596         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1597                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1598                 if (!cmdarray[i].cmdbuf) {
1599                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1600                         ret = -1;
1601                         goto done;
1602                 }
1603         }
1604
1605         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1606                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1607                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1608         }
1609         ret = 0;
1610
1611 done:
1612         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1613         return ret;
1614 }
1615
1616 /**
1617  *  @brief This function frees the command buffer.
1618  *
1619  *  @param priv         A pointer to struct lbs_private structure
1620  *  @return             0 or -1
1621  */
1622 int lbs_free_cmd_buffer(struct lbs_private *priv)
1623 {
1624         struct cmd_ctrl_node *cmdarray;
1625         unsigned int i;
1626
1627         lbs_deb_enter(LBS_DEB_HOST);
1628
1629         /* need to check if cmd array is allocated or not */
1630         if (priv->cmd_array == NULL) {
1631                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1632                 goto done;
1633         }
1634
1635         cmdarray = priv->cmd_array;
1636
1637         /* Release shared memory buffers */
1638         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1639                 if (cmdarray[i].cmdbuf) {
1640                         kfree(cmdarray[i].cmdbuf);
1641                         cmdarray[i].cmdbuf = NULL;
1642                 }
1643         }
1644
1645         /* Release cmd_ctrl_node */
1646         if (priv->cmd_array) {
1647                 kfree(priv->cmd_array);
1648                 priv->cmd_array = NULL;
1649         }
1650
1651 done:
1652         lbs_deb_leave(LBS_DEB_HOST);
1653         return 0;
1654 }
1655
1656 /**
1657  *  @brief This function gets a free command node if available in
1658  *  command free queue.
1659  *
1660  *  @param priv         A pointer to struct lbs_private structure
1661  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1662  */
1663 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1664 {
1665         struct cmd_ctrl_node *tempnode;
1666         unsigned long flags;
1667
1668         lbs_deb_enter(LBS_DEB_HOST);
1669
1670         if (!priv)
1671                 return NULL;
1672
1673         spin_lock_irqsave(&priv->driver_lock, flags);
1674
1675         if (!list_empty(&priv->cmdfreeq)) {
1676                 tempnode = list_first_entry(&priv->cmdfreeq,
1677                                             struct cmd_ctrl_node, list);
1678                 list_del(&tempnode->list);
1679         } else {
1680                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1681                 tempnode = NULL;
1682         }
1683
1684         spin_unlock_irqrestore(&priv->driver_lock, flags);
1685
1686         lbs_deb_leave(LBS_DEB_HOST);
1687         return tempnode;
1688 }
1689
1690 /**
1691  *  @brief This function cleans command node.
1692  *
1693  *  @param ptempnode    A pointer to cmdCtrlNode structure
1694  *  @return             n/a
1695  */
1696
1697 /**
1698  *  @brief This function initializes the command node.
1699  *
1700  *  @param priv         A pointer to struct lbs_private structure
1701  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1702  *  @param pdata_buf    A pointer to informaion buffer
1703  *  @return             0 or -1
1704  */
1705 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1706                                   struct cmd_ctrl_node *ptempnode,
1707                                   void *pdata_buf)
1708 {
1709         lbs_deb_enter(LBS_DEB_HOST);
1710
1711         if (!ptempnode)
1712                 return;
1713
1714         ptempnode->callback = NULL;
1715         ptempnode->callback_arg = (unsigned long)pdata_buf;
1716
1717         lbs_deb_leave(LBS_DEB_HOST);
1718 }
1719
1720 /**
1721  *  @brief This function executes next command in command
1722  *  pending queue. It will put fimware back to PS mode
1723  *  if applicable.
1724  *
1725  *  @param priv     A pointer to struct lbs_private structure
1726  *  @return        0 or -1
1727  */
1728 int lbs_execute_next_command(struct lbs_private *priv)
1729 {
1730         struct cmd_ctrl_node *cmdnode = NULL;
1731         struct cmd_header *cmd;
1732         unsigned long flags;
1733         int ret = 0;
1734
1735         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1736         // only caller to us is lbs_thread() and we get even when a
1737         // data packet is received
1738         lbs_deb_enter(LBS_DEB_THREAD);
1739
1740         spin_lock_irqsave(&priv->driver_lock, flags);
1741
1742         if (priv->cur_cmd) {
1743                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1744                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1745                 ret = -1;
1746                 goto done;
1747         }
1748
1749         if (!list_empty(&priv->cmdpendingq)) {
1750                 cmdnode = list_first_entry(&priv->cmdpendingq,
1751                                            struct cmd_ctrl_node, list);
1752         }
1753
1754         spin_unlock_irqrestore(&priv->driver_lock, flags);
1755
1756         if (cmdnode) {
1757                 cmd = cmdnode->cmdbuf;
1758
1759                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1760                         if ((priv->psstate == PS_STATE_SLEEP) ||
1761                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1762                                 lbs_deb_host(
1763                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1764                                        le16_to_cpu(cmd->command),
1765                                        priv->psstate);
1766                                 ret = -1;
1767                                 goto done;
1768                         }
1769                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1770                                      "0x%04x in psstate %d\n",
1771                                      le16_to_cpu(cmd->command), priv->psstate);
1772                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1773                         /*
1774                          * 1. Non-PS command:
1775                          * Queue it. set needtowakeup to TRUE if current state
1776                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1777                          * 2. PS command but not Exit_PS:
1778                          * Ignore it.
1779                          * 3. PS command Exit_PS:
1780                          * Set needtowakeup to TRUE if current state is SLEEP,
1781                          * otherwise send this command down to firmware
1782                          * immediately.
1783                          */
1784                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1785                                 /*  Prepare to send Exit PS,
1786                                  *  this non PS command will be sent later */
1787                                 if ((priv->psstate == PS_STATE_SLEEP)
1788                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1789                                     ) {
1790                                         /* w/ new scheme, it will not reach here.
1791                                            since it is blocked in main_thread. */
1792                                         priv->needtowakeup = 1;
1793                                 } else
1794                                         lbs_ps_wakeup(priv, 0);
1795
1796                                 ret = 0;
1797                                 goto done;
1798                         } else {
1799                                 /*
1800                                  * PS command. Ignore it if it is not Exit_PS.
1801                                  * otherwise send it down immediately.
1802                                  */
1803                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1804
1805                                 lbs_deb_host(
1806                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1807                                        psm->action);
1808                                 if (psm->action !=
1809                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1810                                         lbs_deb_host(
1811                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1812                                         list_del(&cmdnode->list);
1813                                         spin_lock_irqsave(&priv->driver_lock, flags);
1814                                         lbs_complete_command(priv, cmdnode, 0);
1815                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1816
1817                                         ret = 0;
1818                                         goto done;
1819                                 }
1820
1821                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1822                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1823                                         lbs_deb_host(
1824                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1825                                         list_del(&cmdnode->list);
1826                                         spin_lock_irqsave(&priv->driver_lock, flags);
1827                                         lbs_complete_command(priv, cmdnode, 0);
1828                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1829                                         priv->needtowakeup = 1;
1830
1831                                         ret = 0;
1832                                         goto done;
1833                                 }
1834
1835                                 lbs_deb_host(
1836                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1837                         }
1838                 }
1839                 list_del(&cmdnode->list);
1840                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1841                             le16_to_cpu(cmd->command));
1842                 lbs_submit_command(priv, cmdnode);
1843         } else {
1844                 /*
1845                  * check if in power save mode, if yes, put the device back
1846                  * to PS mode
1847                  */
1848                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1849                     (priv->psstate == PS_STATE_FULL_POWER) &&
1850                     ((priv->connect_status == LBS_CONNECTED) ||
1851                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1852                         if (priv->secinfo.WPAenabled ||
1853                             priv->secinfo.WPA2enabled) {
1854                                 /* check for valid WPA group keys */
1855                                 if (priv->wpa_mcast_key.len ||
1856                                     priv->wpa_unicast_key.len) {
1857                                         lbs_deb_host(
1858                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1859                                                " go back to PS_SLEEP");
1860                                         lbs_ps_sleep(priv, 0);
1861                                 }
1862                         } else {
1863                                 lbs_deb_host(
1864                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1865                                        "go back to PS_SLEEP");
1866                                 lbs_ps_sleep(priv, 0);
1867                         }
1868                 }
1869         }
1870
1871         ret = 0;
1872 done:
1873         lbs_deb_leave(LBS_DEB_THREAD);
1874         return ret;
1875 }
1876
1877 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1878 {
1879         union iwreq_data iwrq;
1880         u8 buf[50];
1881
1882         lbs_deb_enter(LBS_DEB_WEXT);
1883
1884         memset(&iwrq, 0, sizeof(union iwreq_data));
1885         memset(buf, 0, sizeof(buf));
1886
1887         snprintf(buf, sizeof(buf) - 1, "%s", str);
1888
1889         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1890
1891         /* Send Event to upper layer */
1892         lbs_deb_wext("event indication string %s\n", (char *)buf);
1893         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1894         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1895
1896         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1897
1898         lbs_deb_leave(LBS_DEB_WEXT);
1899 }
1900
1901 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1902 {
1903         unsigned long flags;
1904         int ret = 0;
1905
1906         lbs_deb_enter(LBS_DEB_HOST);
1907
1908         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1909                size);
1910
1911         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1912
1913         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1914
1915         spin_lock_irqsave(&priv->driver_lock, flags);
1916         if (priv->intcounter || priv->currenttxskb)
1917                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1918                        priv->intcounter, priv->currenttxskb);
1919         spin_unlock_irqrestore(&priv->driver_lock, flags);
1920
1921         if (ret) {
1922                 lbs_pr_alert(
1923                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1924         } else {
1925                 spin_lock_irqsave(&priv->driver_lock, flags);
1926                 if (!priv->intcounter) {
1927                         priv->psstate = PS_STATE_SLEEP;
1928                 } else {
1929                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1930                                priv->intcounter);
1931                 }
1932                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1933
1934                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1935         }
1936
1937         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1938         return ret;
1939 }
1940
1941 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1942 {
1943         lbs_deb_enter(LBS_DEB_HOST);
1944
1945         /*
1946          * PS is currently supported only in Infrastructure mode
1947          * Remove this check if it is to be supported in IBSS mode also
1948          */
1949
1950         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1951                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1952
1953         lbs_deb_leave(LBS_DEB_HOST);
1954 }
1955
1956 /**
1957  *  @brief This function sends Exit_PS command to firmware.
1958  *
1959  *  @param priv         A pointer to struct lbs_private structure
1960  *  @param wait_option  wait response or not
1961  *  @return             n/a
1962  */
1963 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1964 {
1965         __le32 Localpsmode;
1966
1967         lbs_deb_enter(LBS_DEB_HOST);
1968
1969         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1970
1971         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1972                               CMD_SUBCMD_EXIT_PS,
1973                               wait_option, 0, &Localpsmode);
1974
1975         lbs_deb_leave(LBS_DEB_HOST);
1976 }
1977
1978 /**
1979  *  @brief This function checks condition and prepares to
1980  *  send sleep confirm command to firmware if ok.
1981  *
1982  *  @param priv         A pointer to struct lbs_private structure
1983  *  @param psmode       Power Saving mode
1984  *  @return             n/a
1985  */
1986 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1987 {
1988         unsigned long flags =0;
1989         u8 allowed = 1;
1990
1991         lbs_deb_enter(LBS_DEB_HOST);
1992
1993         if (priv->dnld_sent) {
1994                 allowed = 0;
1995                 lbs_deb_host("dnld_sent was set\n");
1996         }
1997
1998         spin_lock_irqsave(&priv->driver_lock, flags);
1999         if (priv->cur_cmd) {
2000                 allowed = 0;
2001                 lbs_deb_host("cur_cmd was set\n");
2002         }
2003         if (priv->intcounter > 0) {
2004                 allowed = 0;
2005                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2006         }
2007         spin_unlock_irqrestore(&priv->driver_lock, flags);
2008
2009         if (allowed) {
2010                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2011                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2012                                  sizeof(struct PS_CMD_ConfirmSleep));
2013         } else {
2014                 lbs_deb_host("sleep confirm has been delayed\n");
2015         }
2016
2017         lbs_deb_leave(LBS_DEB_HOST);
2018 }
2019
2020
2021 /**
2022  *  @brief Simple callback that copies response back into command
2023  *
2024  *  @param priv         A pointer to struct lbs_private structure
2025  *  @param extra        A pointer to the original command structure for which
2026  *                      'resp' is a response
2027  *  @param resp         A pointer to the command response
2028  *
2029  *  @return             0 on success, error on failure
2030  */
2031 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2032                      struct cmd_header *resp)
2033 {
2034         struct cmd_header *buf = (void *)extra;
2035         uint16_t copy_len;
2036
2037         lbs_deb_enter(LBS_DEB_CMD);
2038
2039         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2040         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2041                     "copy back buffer was %u bytes\n", copy_len,
2042                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2043         memcpy(buf, resp, copy_len);
2044
2045         lbs_deb_leave(LBS_DEB_CMD);
2046         return 0;
2047 }
2048 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2049
2050 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2051                                       struct cmd_header *in_cmd, int in_cmd_size,
2052                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2053                                       unsigned long callback_arg)
2054 {
2055         struct cmd_ctrl_node *cmdnode;
2056
2057         lbs_deb_enter(LBS_DEB_HOST);
2058
2059         if (priv->surpriseremoved) {
2060                 lbs_deb_host("PREP_CMD: card removed\n");
2061                 cmdnode = ERR_PTR(-ENOENT);
2062                 goto done;
2063         }
2064
2065         cmdnode = lbs_get_cmd_ctrl_node(priv);
2066         if (cmdnode == NULL) {
2067                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2068
2069                 /* Wake up main thread to execute next command */
2070                 wake_up_interruptible(&priv->waitq);
2071                 cmdnode = ERR_PTR(-ENOBUFS);
2072                 goto done;
2073         }
2074
2075         cmdnode->callback = callback;
2076         cmdnode->callback_arg = callback_arg;
2077
2078         /* Copy the incoming command to the buffer */
2079         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2080
2081         /* Set sequence number, clean result, move to buffer */
2082         priv->seqnum++;
2083         cmdnode->cmdbuf->command = cpu_to_le16(command);
2084         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2085         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2086         cmdnode->cmdbuf->result  = 0;
2087
2088         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2089
2090         /* here was the big old switch() statement, which is now obsolete,
2091          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2092
2093         cmdnode->cmdwaitqwoken = 0;
2094         lbs_queue_cmd(priv, cmdnode);
2095         wake_up_interruptible(&priv->waitq);
2096
2097  done:
2098         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2099         return cmdnode;
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