err.no 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 void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  17 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  18 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  19                     struct cmd_ctrl_node *ptempnode,
  20                     u16 wait_option, void *pdata_buf);
  21
  22
  23 /**
  24  *  @brief Checks whether a command is allowed in Power Save mode
  25  *
  26  *  @param command the command ID
  27  *  @return        1 if allowed, 0 if not allowed
  28  */
  29 static u8 is_command_allowed_in_ps(u16 cmd)
  30 {
  31         switch (cmd) {
  32         case CMD_802_11_RSSI:
  33                 return 1;
  34         default:
  35                 break;
  36         }
  37         return 0;
  38 }
  39
  40 /**
  41  *  @brief Updates the hardware details like MAC address and regulatory region
  42  *
  43  *  @param priv         A pointer to struct lbs_private structure
  44  *
  45  *  @return             0 on success, error on failure
  46  */
  47 int lbs_update_hw_spec(struct lbs_private *priv)
  48 {
  49         struct cmd_ds_get_hw_spec cmd;
  50         int ret = -1;
  51         u32 i;
  52         DECLARE_MAC_BUF(mac);
  53
  54         lbs_deb_enter(LBS_DEB_CMD);
  55
  56         memset(&cmd, 0, sizeof(cmd));
  57         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  58         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  59         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  60         if (ret)
  61                 goto out;
  62
  63         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  64         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  65
  66         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  67                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  68                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  69         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  70                     print_mac(mac, cmd.permanentaddr));
  71         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  72                     cmd.hwifversion, cmd.version);
  73
  74         /* Clamp region code to 8-bit since FW spec indicates that it should
  75          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  76          * returns non-zero high 8 bits here.
  77          */
  78         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  79
  80         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  81                 /* use the region code to search for the index */
  82                 if (priv->regioncode == lbs_region_code_to_index[i])
  83                         break;
  84         }
  85
  86         /* if it's unidentified region code, use the default (USA) */
  87         if (i >= MRVDRV_MAX_REGION_CODE) {
  88                 priv->regioncode = 0x10;
  89                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  90         }
  91
  92         if (priv->current_addr[0] == 0xff)
  93                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  94
  95         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  96         if (priv->mesh_dev)
  97                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  98
  99         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 100                 ret = -1;
 101                 goto out;
 102         }
 103
 104         if (lbs_set_universaltable(priv, 0)) {
 105                 ret = -1;
 106                 goto out;
 107         }
 108
 109 out:
 110         lbs_deb_leave(LBS_DEB_CMD);
 111         return ret;
 112 }
 113
 114 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
 115                        uint8_t gpio, uint8_t gap)
 116 {
 117         struct cmd_ds_host_sleep cmd_config;
 118         int ret;
 119
 120         cmd_config.criteria = cpu_to_le32(criteria);
 121         cmd_config.gpio = gpio;
 122         cmd_config.gap = gap;
 123
 124         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 125         if (ret) {
 126                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 127                 return ret;
 128         }
 129         return ret;
 130 }
 131 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 132
 133 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 134                                    struct cmd_ds_command *cmd,
 135                                    u16 cmd_action)
 136 {
 137         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 138
 139         lbs_deb_enter(LBS_DEB_CMD);
 140
 141         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 142         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 143                                 S_DS_GEN);
 144         psm->action = cpu_to_le16(cmd_action);
 145         psm->multipledtim = 0;
 146         switch (cmd_action) {
 147         case CMD_SUBCMD_ENTER_PS:
 148                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 149
 150                 psm->locallisteninterval = 0;
 151                 psm->nullpktinterval = 0;
 152                 psm->multipledtim =
 153                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 154                 break;
 155
 156         case CMD_SUBCMD_EXIT_PS:
 157                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 158                 break;
 159
 160         case CMD_SUBCMD_SLEEP_CONFIRMED:
 161                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 162                 break;
 163
 164         default:
 165                 break;
 166         }
 167
 168         lbs_deb_leave(LBS_DEB_CMD);
 169         return 0;
 170 }
 171
 172 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 173                                               struct cmd_ds_command *cmd,
 174                                               u16 cmd_action, void *pdata_buf)
 175 {
 176         u16 *timeout = pdata_buf;
 177
 178         lbs_deb_enter(LBS_DEB_CMD);
 179
 180         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 181         cmd->size =
 182             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 183                              + S_DS_GEN);
 184
 185         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 186
 187         if (cmd_action)
 188                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 189         else
 190                 cmd->params.inactivity_timeout.timeout = 0;
 191
 192         lbs_deb_leave(LBS_DEB_CMD);
 193         return 0;
 194 }
 195
 196 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 197                                         struct cmd_ds_command *cmd,
 198                                         u16 cmd_action)
 199 {
 200         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 201
 202         lbs_deb_enter(LBS_DEB_CMD);
 203
 204         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 205                                 S_DS_GEN);
 206         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 207
 208         if (cmd_action == CMD_ACT_GET) {
 209                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 210                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 211                 sp->action = cpu_to_le16(cmd_action);
 212         } else if (cmd_action == CMD_ACT_SET) {
 213                 sp->action = cpu_to_le16(cmd_action);
 214                 sp->error = cpu_to_le16(priv->sp.sp_error);
 215                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 216                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 217                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 218                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 219                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 220         }
 221
 222         lbs_deb_leave(LBS_DEB_CMD);
 223         return 0;
 224 }
 225
 226 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 227                                    struct cmd_ds_command *cmd,
 228                                    u32 cmd_act,
 229                                    void * pdata_buf)
 230 {
 231         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 232         int ret = 0;
 233         struct assoc_request * assoc_req = pdata_buf;
 234
 235         lbs_deb_enter(LBS_DEB_CMD);
 236
 237         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 238         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 239
 240         if (cmd_act == CMD_ACT_ADD) {
 241                 int i;
 242
 243                 if (!assoc_req) {
 244                         lbs_deb_cmd("Invalid association request!\n");
 245                         ret = -1;
 246                         goto done;
 247                 }
 248
 249                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 250
 251                 /* default tx key index */
 252                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 253                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 254
 255                 /* Copy key types and material to host command structure */
 256                 for (i = 0; i < 4; i++) {
 257                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 258
 259                         switch (pkey->len) {
 260                         case KEY_LEN_WEP_40:
 261                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 262                                 memmove(&wep->keymaterial[i], pkey->key,
 263                                         pkey->len);
 264                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 265                                 break;
 266                         case KEY_LEN_WEP_104:
 267                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 268                                 memmove(&wep->keymaterial[i], pkey->key,
 269                                         pkey->len);
 270                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 271                                 break;
 272                         case 0:
 273                                 break;
 274                         default:
 275                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 276                                        i, pkey->len);
 277                                 ret = -1;
 278                                 goto done;
 279                                 break;
 280                         }
 281                 }
 282         } else if (cmd_act == CMD_ACT_REMOVE) {
 283                 /* ACT_REMOVE clears _all_ WEP keys */
 284                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 285
 286                 /* default tx key index */
 287                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 288                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 289                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 290         }
 291
 292         ret = 0;
 293
 294 done:
 295         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 296         return ret;
 297 }
 298
 299 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 300                                       struct cmd_ds_command *cmd,
 301                                       u16 cmd_action,
 302                                       void * pdata_buf)
 303 {
 304         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 305         u32 * enable = pdata_buf;
 306
 307         lbs_deb_enter(LBS_DEB_CMD);
 308
 309         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 310         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 311         penableRSN->action = cpu_to_le16(cmd_action);
 312
 313         if (cmd_action == CMD_ACT_SET) {
 314                 if (*enable)
 315                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 316                 else
 317                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 318                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 319         }
 320
 321         lbs_deb_leave(LBS_DEB_CMD);
 322         return 0;
 323 }
 324
 325
 326 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 327 {
 328         ssize_t pos = 0;
 329         struct mrvlietypesheader *tlv_h;
 330         while (pos < size) {
 331                 u16 length;
 332                 tlv_h = (struct mrvlietypesheader *) tlv;
 333                 if (tlv_h->len == 0)
 334                         return pos;
 335                 length = le16_to_cpu(tlv_h->len) +
 336                         sizeof(struct mrvlietypesheader);
 337                 pos += length;
 338                 tlv += length;
 339         }
 340         return pos;
 341 }
 342
 343
 344 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 345         struct cmd_ds_command *cmd, u16 cmd_action,
 346         void *pdata_buf)
 347 {
 348         struct cmd_ds_802_11_subscribe_event *events =
 349                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 350
 351         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 352          * for various Marvell TLVs */
 353
 354         lbs_deb_enter(LBS_DEB_CMD);
 355
 356         cmd->size = cpu_to_le16(sizeof(*events)
 357                         - sizeof(events->tlv)
 358                         + S_DS_GEN);
 359         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 360         if (cmd_action == CMD_ACT_GET) {
 361                 cmd->params.subscribe_event.events = 0;
 362         } else {
 363                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 364                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 365                 cmd->params.subscribe_event.events = events->events;
 366                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 367         }
 368
 369         lbs_deb_leave(LBS_DEB_CMD);
 370 }
 371
 372 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 373                             struct enc_key * pkey)
 374 {
 375         lbs_deb_enter(LBS_DEB_CMD);
 376
 377         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 378                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 379         }
 380         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 381                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 382         }
 383         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 384                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 385         }
 386
 387         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 388         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 389         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 390         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 391         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 392                                                 + sizeof(pkeyparamset->keyinfo)
 393                                                 + sizeof(pkeyparamset->keylen)
 394                                                 + sizeof(pkeyparamset->key));
 395         lbs_deb_leave(LBS_DEB_CMD);
 396 }
 397
 398 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 399                                         struct cmd_ds_command *cmd,
 400                                         u16 cmd_action,
 401                                         u32 cmd_oid, void *pdata_buf)
 402 {
 403         struct cmd_ds_802_11_key_material *pkeymaterial =
 404             &cmd->params.keymaterial;
 405         struct assoc_request * assoc_req = pdata_buf;
 406         int ret = 0;
 407         int index = 0;
 408
 409         lbs_deb_enter(LBS_DEB_CMD);
 410
 411         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 412         pkeymaterial->action = cpu_to_le16(cmd_action);
 413
 414         if (cmd_action == CMD_ACT_GET) {
 415                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 416                 ret = 0;
 417                 goto done;
 418         }
 419
 420         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 421
 422         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 423                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 424                                 &assoc_req->wpa_unicast_key);
 425                 index++;
 426         }
 427
 428         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 429                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 430                                 &assoc_req->wpa_mcast_key);
 431                 index++;
 432         }
 433
 434         cmd->size = cpu_to_le16(  S_DS_GEN
 435                                 + sizeof (pkeymaterial->action)
 436                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 437
 438         ret = 0;
 439
 440 done:
 441         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 442         return ret;
 443 }
 444
 445 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 446                                  struct cmd_ds_command *cmd, int cmd_action)
 447 {
 448         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 449
 450         lbs_deb_enter(LBS_DEB_CMD);
 451
 452         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 453         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 454         reset->action = cpu_to_le16(cmd_action);
 455
 456         lbs_deb_leave(LBS_DEB_CMD);
 457         return 0;
 458 }
 459
 460 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 461                                    struct cmd_ds_command *cmd)
 462 {
 463         lbs_deb_enter(LBS_DEB_CMD);
 464         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 465         cmd->size =
 466                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 467
 468         lbs_deb_leave(LBS_DEB_CMD);
 469         return 0;
 470 }
 471
 472 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 473                                     struct cmd_ds_command *cmd)
 474 {
 475         lbs_deb_enter(LBS_DEB_CMD);
 476         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 477         cmd->size =
 478             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 479
 480         lbs_deb_leave(LBS_DEB_CMD);
 481         return 0;
 482 }
 483
 484 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 485                                     struct cmd_ds_command *cmd,
 486                                     int cmd_action,
 487                                     int cmd_oid, void *pdata_buf)
 488 {
 489         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 490         u8 ucTemp;
 491
 492         lbs_deb_enter(LBS_DEB_CMD);
 493
 494         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 495
 496         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 497         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 498
 499         switch (cmd_oid) {
 500         case OID_802_11_INFRASTRUCTURE_MODE:
 501         {
 502                 u8 mode = (u8) (size_t) pdata_buf;
 503                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 504                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 505                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 506                 if (mode == IW_MODE_ADHOC) {
 507                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 508                 } else {
 509                         /* Infra and Auto modes */
 510                         ucTemp = SNMP_MIB_VALUE_INFRA;
 511                 }
 512
 513                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 514
 515                 break;
 516         }
 517
 518         case OID_802_11D_ENABLE:
 519                 {
 520                         u32 ulTemp;
 521
 522                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 523
 524                         if (cmd_action == CMD_ACT_SET) {
 525                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 526                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 527                                 ulTemp = *(u32 *)pdata_buf;
 528                                 *((__le16 *)(pSNMPMIB->value)) =
 529                                     cpu_to_le16((u16) ulTemp);
 530                         }
 531                         break;
 532                 }
 533
 534         case OID_802_11_FRAGMENTATION_THRESHOLD:
 535                 {
 536                         u32 ulTemp;
 537
 538                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 539
 540                         if (cmd_action == CMD_ACT_GET) {
 541                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 542                         } else if (cmd_action == CMD_ACT_SET) {
 543                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 544                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 545                                 ulTemp = *((u32 *) pdata_buf);
 546                                 *((__le16 *)(pSNMPMIB->value)) =
 547                                     cpu_to_le16((u16) ulTemp);
 548
 549                         }
 550
 551                         break;
 552                 }
 553
 554         case OID_802_11_RTS_THRESHOLD:
 555                 {
 556
 557                         u32 ulTemp;
 558                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 559
 560                         if (cmd_action == CMD_ACT_GET) {
 561                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 562                         } else if (cmd_action == CMD_ACT_SET) {
 563                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 564                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 565                                 ulTemp = *((u32 *)pdata_buf);
 566                                 *(__le16 *)(pSNMPMIB->value) =
 567                                     cpu_to_le16((u16) ulTemp);
 568
 569                         }
 570                         break;
 571                 }
 572         case OID_802_11_TX_RETRYCOUNT:
 573                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 574
 575                 if (cmd_action == CMD_ACT_GET) {
 576                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 577                 } else if (cmd_action == CMD_ACT_SET) {
 578                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 579                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 580                         *((__le16 *)(pSNMPMIB->value)) =
 581                             cpu_to_le16((u16) priv->txretrycount);
 582                 }
 583
 584                 break;
 585         default:
 586                 break;
 587         }
 588
 589         lbs_deb_cmd(
 590                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 591                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 592                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 593
 594         lbs_deb_cmd(
 595                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 596                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 597                le16_to_cpu(pSNMPMIB->bufsize),
 598                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 599
 600         lbs_deb_leave(LBS_DEB_CMD);
 601         return 0;
 602 }
 603
 604 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
 605                                          struct cmd_ds_command *cmd,
 606                                          int cmd_action)
 607 {
 608         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 609
 610         lbs_deb_enter(LBS_DEB_CMD);
 611
 612         cmd->size =
 613             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 614                              S_DS_GEN);
 615         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 616
 617         pradiocontrol->action = cpu_to_le16(cmd_action);
 618
 619         switch (priv->preamble) {
 620         case CMD_TYPE_SHORT_PREAMBLE:
 621                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 622                 break;
 623
 624         case CMD_TYPE_LONG_PREAMBLE:
 625                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 626                 break;
 627
 628         case CMD_TYPE_AUTO_PREAMBLE:
 629         default:
 630                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 631                 break;
 632         }
 633
 634         if (priv->radioon)
 635                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 636         else
 637                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 638
 639         lbs_deb_leave(LBS_DEB_CMD);
 640         return 0;
 641 }
 642
 643 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 644                                        struct cmd_ds_command *cmd,
 645                                        u16 cmd_action, void *pdata_buf)
 646 {
 647
 648         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 649
 650         lbs_deb_enter(LBS_DEB_CMD);
 651
 652         cmd->size =
 653             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 654         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 655         prtp->action = cpu_to_le16(cmd_action);
 656
 657         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 658                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 659                     le16_to_cpu(prtp->action));
 660
 661         switch (cmd_action) {
 662         case CMD_ACT_TX_POWER_OPT_GET:
 663                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 664                 prtp->currentlevel = 0;
 665                 break;
 666
 667         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 668                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 669                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 670                 break;
 671
 672         case CMD_ACT_TX_POWER_OPT_SET_MID:
 673                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 674                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 675                 break;
 676
 677         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 678                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 679                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 680                 break;
 681         }
 682
 683         lbs_deb_leave(LBS_DEB_CMD);
 684         return 0;
 685 }
 686
 687 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 688                                       struct cmd_ds_command *cmd,
 689                                       u16 cmd_action, void *pdata_buf)
 690 {
 691         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 692
 693         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 694         cmd->size =
 695             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 696                              S_DS_GEN);
 697
 698         monitor->action = cpu_to_le16(cmd_action);
 699         if (cmd_action == CMD_ACT_SET) {
 700                 monitor->mode =
 701                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 702         }
 703
 704         return 0;
 705 }
 706
 707 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 708                                               struct cmd_ds_command *cmd,
 709                                               u16 cmd_action)
 710 {
 711         struct cmd_ds_802_11_rate_adapt_rateset
 712         *rateadapt = &cmd->params.rateset;
 713
 714         lbs_deb_enter(LBS_DEB_CMD);
 715         cmd->size =
 716             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 717                              + S_DS_GEN);
 718         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 719
 720         rateadapt->action = cpu_to_le16(cmd_action);
 721         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 722         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 723
 724         lbs_deb_leave(LBS_DEB_CMD);
 725         return 0;
 726 }
 727
 728 /**
 729  *  @brief Get the current data rate
 730  *
 731  *  @param priv         A pointer to struct lbs_private structure
 732  *
 733  *  @return             The data rate on success, error on failure
 734  */
 735 int lbs_get_data_rate(struct lbs_private *priv)
 736 {
 737         struct cmd_ds_802_11_data_rate cmd;
 738         int ret = -1;
 739
 740         lbs_deb_enter(LBS_DEB_CMD);
 741
 742         memset(&cmd, 0, sizeof(cmd));
 743         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 744         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 745
 746         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 747         if (ret)
 748                 goto out;
 749
 750         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 751
 752         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 753         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 754
 755 out:
 756         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 757         return ret;
 758 }
 759
 760 /**
 761  *  @brief Set the data rate
 762  *
 763  *  @param priv         A pointer to struct lbs_private structure
 764  *  @param rate         The desired data rate, or 0 to clear a locked rate
 765  *
 766  *  @return             0 on success, error on failure
 767  */
 768 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 769 {
 770         struct cmd_ds_802_11_data_rate cmd;
 771         int ret = 0;
 772
 773         lbs_deb_enter(LBS_DEB_CMD);
 774
 775         memset(&cmd, 0, sizeof(cmd));
 776         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 777
 778         if (rate > 0) {
 779                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 780                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 781                 if (cmd.rates[0] == 0) {
 782                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 783                                     " 0x%02X\n", rate);
 784                         ret = 0;
 785                         goto out;
 786                 }
 787                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 788         } else {
 789                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 790                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 791         }
 792
 793         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 794         if (ret)
 795                 goto out;
 796
 797         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 798
 799         /* FIXME: get actual rates FW can do if this command actually returns
 800          * all data rates supported.
 801          */
 802         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 803         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 804
 805 out:
 806         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 807         return ret;
 808 }
 809
 810 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 811                                       struct cmd_ds_command *cmd,
 812                                       u16 cmd_action)
 813 {
 814         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 815
 816         lbs_deb_enter(LBS_DEB_CMD);
 817         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 818                              S_DS_GEN);
 819         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 820
 821         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 822         pMCastAdr->action = cpu_to_le16(cmd_action);
 823         pMCastAdr->nr_of_adrs =
 824             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 825         memcpy(pMCastAdr->maclist, priv->multicastlist,
 826                priv->nr_of_multicastmacaddr * ETH_ALEN);
 827
 828         lbs_deb_leave(LBS_DEB_CMD);
 829         return 0;
 830 }
 831
 832 /**
 833  *  @brief Get the radio channel
 834  *
 835  *  @param priv         A pointer to struct lbs_private structure
 836  *
 837  *  @return             The channel on success, error on failure
 838  */
 839 int lbs_get_channel(struct lbs_private *priv)
 840 {
 841         struct cmd_ds_802_11_rf_channel cmd;
 842         int ret = 0;
 843
 844         lbs_deb_enter(LBS_DEB_CMD);
 845
 846         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 847         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 848
 849         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 850         if (ret)
 851                 goto out;
 852
 853         ret = le16_to_cpu(cmd.channel);
 854         lbs_deb_cmd("current radio channel is %d\n", ret);
 855
 856 out:
 857         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 858         return ret;
 859 }
 860
 861 /**
 862  *  @brief Set the radio channel
 863  *
 864  *  @param priv         A pointer to struct lbs_private structure
 865  *  @param channel      The desired channel, or 0 to clear a locked channel
 866  *
 867  *  @return             0 on success, error on failure
 868  */
 869 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 870 {
 871         struct cmd_ds_802_11_rf_channel cmd;
 872         u8 old_channel = priv->curbssparams.channel;
 873         int ret = 0;
 874
 875         lbs_deb_enter(LBS_DEB_CMD);
 876
 877         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 878         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 879         cmd.channel = cpu_to_le16(channel);
 880
 881         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 882         if (ret)
 883                 goto out;
 884
 885         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 886         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 887                 priv->curbssparams.channel);
 888
 889 out:
 890         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 891         return ret;
 892 }
 893
 894 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 895                                 struct cmd_ds_command *cmd)
 896 {
 897
 898         lbs_deb_enter(LBS_DEB_CMD);
 899         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 900         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 901         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 902
 903         /* reset Beacon SNR/NF/RSSI values */
 904         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 905         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 906         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 907         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 908         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 909         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 910
 911         lbs_deb_leave(LBS_DEB_CMD);
 912         return 0;
 913 }
 914
 915 static int lbs_cmd_reg_access(struct lbs_private *priv,
 916                                struct cmd_ds_command *cmdptr,
 917                                u8 cmd_action, void *pdata_buf)
 918 {
 919         struct lbs_offset_value *offval;
 920
 921         lbs_deb_enter(LBS_DEB_CMD);
 922
 923         offval = (struct lbs_offset_value *)pdata_buf;
 924
 925         switch (le16_to_cpu(cmdptr->command)) {
 926         case CMD_MAC_REG_ACCESS:
 927                 {
 928                         struct cmd_ds_mac_reg_access *macreg;
 929
 930                         cmdptr->size =
 931                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 932                                         + S_DS_GEN);
 933                         macreg =
 934                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 935                             macreg;
 936
 937                         macreg->action = cpu_to_le16(cmd_action);
 938                         macreg->offset = cpu_to_le16((u16) offval->offset);
 939                         macreg->value = cpu_to_le32(offval->value);
 940
 941                         break;
 942                 }
 943
 944         case CMD_BBP_REG_ACCESS:
 945                 {
 946                         struct cmd_ds_bbp_reg_access *bbpreg;
 947
 948                         cmdptr->size =
 949                             cpu_to_le16(sizeof
 950                                              (struct cmd_ds_bbp_reg_access)
 951                                              + S_DS_GEN);
 952                         bbpreg =
 953                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 954                             bbpreg;
 955
 956                         bbpreg->action = cpu_to_le16(cmd_action);
 957                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 958                         bbpreg->value = (u8) offval->value;
 959
 960                         break;
 961                 }
 962
 963         case CMD_RF_REG_ACCESS:
 964                 {
 965                         struct cmd_ds_rf_reg_access *rfreg;
 966
 967                         cmdptr->size =
 968                             cpu_to_le16(sizeof
 969                                              (struct cmd_ds_rf_reg_access) +
 970                                              S_DS_GEN);
 971                         rfreg =
 972                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 973                             rfreg;
 974
 975                         rfreg->action = cpu_to_le16(cmd_action);
 976                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 977                         rfreg->value = (u8) offval->value;
 978
 979                         break;
 980                 }
 981
 982         default:
 983                 break;
 984         }
 985
 986         lbs_deb_leave(LBS_DEB_CMD);
 987         return 0;
 988 }
 989
 990 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 991                                        struct cmd_ds_command *cmd,
 992                                        u16 cmd_action)
 993 {
 994
 995         lbs_deb_enter(LBS_DEB_CMD);
 996         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 997         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 998                              S_DS_GEN);
 999         cmd->result = 0;
1000
1001         cmd->params.macadd.action = cpu_to_le16(cmd_action);
1002
1003         if (cmd_action == CMD_ACT_SET) {
1004                 memcpy(cmd->params.macadd.macadd,
1005                        priv->current_addr, ETH_ALEN);
1006                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
1007         }
1008
1009         lbs_deb_leave(LBS_DEB_CMD);
1010         return 0;
1011 }
1012
1013 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1014                                          struct cmd_ds_command *cmd,
1015                                          int cmd_action, void *pdata_buf)
1016 {
1017         struct lbs_ioctl_regrdwr *ea = pdata_buf;
1018
1019         lbs_deb_enter(LBS_DEB_CMD);
1020
1021         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1022         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1023                                 S_DS_GEN);
1024         cmd->result = 0;
1025
1026         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1027         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1028         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1029         cmd->params.rdeeprom.value = 0;
1030
1031         lbs_deb_leave(LBS_DEB_CMD);
1032         return 0;
1033 }
1034
1035 static int lbs_cmd_bt_access(struct lbs_private *priv,
1036                                struct cmd_ds_command *cmd,
1037                                u16 cmd_action, void *pdata_buf)
1038 {
1039         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1040         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1041
1042         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1043         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1044         cmd->result = 0;
1045         bt_access->action = cpu_to_le16(cmd_action);
1046
1047         switch (cmd_action) {
1048         case CMD_ACT_BT_ACCESS_ADD:
1049                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1050                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1051                 break;
1052         case CMD_ACT_BT_ACCESS_DEL:
1053                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1054                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1055                 break;
1056         case CMD_ACT_BT_ACCESS_LIST:
1057                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1058                 break;
1059         case CMD_ACT_BT_ACCESS_RESET:
1060                 break;
1061         case CMD_ACT_BT_ACCESS_SET_INVERT:
1062                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1063                 break;
1064         case CMD_ACT_BT_ACCESS_GET_INVERT:
1065                 break;
1066         default:
1067                 break;
1068         }
1069         lbs_deb_leave(LBS_DEB_CMD);
1070         return 0;
1071 }
1072
1073 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1074                                struct cmd_ds_command *cmd,
1075                                u16 cmd_action, void *pdata_buf)
1076 {
1077         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1078         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1079
1080         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1081         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1082         cmd->result = 0;
1083
1084         if (pdata_buf)
1085                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1086         else
1087                 memset(fwt_access, 0, sizeof(*fwt_access));
1088
1089         fwt_access->action = cpu_to_le16(cmd_action);
1090
1091         lbs_deb_leave(LBS_DEB_CMD);
1092         return 0;
1093 }
1094
1095 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1096                     struct cmd_ds_mesh_access *cmd)
1097 {
1098         int ret;
1099
1100         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1101
1102         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1103         cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1104         cmd->hdr.result = 0;
1105
1106         cmd->action = cpu_to_le16(cmd_action);
1107
1108         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1109
1110         lbs_deb_leave(LBS_DEB_CMD);
1111         return ret;
1112 }
1113 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1114
1115 int lbs_mesh_config(struct lbs_private *priv, int enable)
1116 {
1117         struct cmd_ds_mesh_config cmd;
1118
1119         memset(&cmd, 0, sizeof(cmd));
1120         cmd.action = cpu_to_le16(enable);
1121         cmd.channel = cpu_to_le16(priv->curbssparams.channel);
1122         cmd.type = cpu_to_le16(0x100 + 37);
1123
1124         if (enable) {
1125                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1126                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1127         }
1128         lbs_deb_cmd("mesh config channel %d SSID %s\n",
1129                     priv->curbssparams.channel,
1130                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1131         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1132 }
1133
1134 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1135                                 struct cmd_ds_command *cmd,
1136                                 u16 cmd_action)
1137 {
1138         struct cmd_ds_802_11_beacon_control
1139                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1140
1141         lbs_deb_enter(LBS_DEB_CMD);
1142         cmd->size =
1143             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1144                              + S_DS_GEN);
1145         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1146
1147         bcn_ctrl->action = cpu_to_le16(cmd_action);
1148         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1149         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1150
1151         lbs_deb_leave(LBS_DEB_CMD);
1152         return 0;
1153 }
1154
1155 /*
1156  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1157  * the command timer, because it does not account for queued commands.
1158  */
1159 void lbs_queue_cmd(struct lbs_private *priv,
1160         struct cmd_ctrl_node *cmdnode,
1161         u8 addtail)
1162 {
1163         unsigned long flags;
1164
1165         lbs_deb_enter(LBS_DEB_HOST);
1166
1167         if (!cmdnode || !cmdnode->cmdbuf) {
1168                 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1169                 goto done;
1170         }
1171
1172         /* Exit_PS command needs to be queued in the header always. */
1173         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1174                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1175
1176                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1177                         if (priv->psstate != PS_STATE_FULL_POWER)
1178                                 addtail = 0;
1179                 }
1180         }
1181
1182         spin_lock_irqsave(&priv->driver_lock, flags);
1183
1184         if (addtail)
1185                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1186         else
1187                 list_add(&cmdnode->list, &priv->cmdpendingq);
1188
1189         spin_unlock_irqrestore(&priv->driver_lock, flags);
1190
1191         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1192                le16_to_cpu(cmdnode->cmdbuf->command));
1193
1194 done:
1195         lbs_deb_leave(LBS_DEB_HOST);
1196 }
1197
1198 /*
1199  * TODO: Fix the issue when DownloadcommandToStation is being called the
1200  * second time when the command times out. All the cmdptr->xxx are in little
1201  * endian and therefore all the comparissions will fail.
1202  * For now - we are not performing the endian conversion the second time - but
1203  * for PS and DEEP_SLEEP we need to worry
1204  */
1205 static int DownloadcommandToStation(struct lbs_private *priv,
1206                                     struct cmd_ctrl_node *cmdnode)
1207 {
1208         unsigned long flags;
1209         struct cmd_header *cmd;
1210         int ret = -1;
1211         u16 cmdsize;
1212         u16 command;
1213
1214         lbs_deb_enter(LBS_DEB_HOST);
1215
1216         if (!priv || !cmdnode) {
1217                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1218                 goto done;
1219         }
1220
1221         cmd = cmdnode->cmdbuf;
1222
1223         spin_lock_irqsave(&priv->driver_lock, flags);
1224         if (!cmd || !cmd->size) {
1225                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1226                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1227                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1228                 goto done;
1229         }
1230
1231         priv->cur_cmd = cmdnode;
1232         priv->cur_cmd_retcode = 0;
1233         spin_unlock_irqrestore(&priv->driver_lock, flags);
1234
1235         cmdsize = le16_to_cpu(cmd->size);
1236         command = le16_to_cpu(cmd->command);
1237
1238         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1239                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1240         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1241
1242         cmdnode->cmdwaitqwoken = 0;
1243
1244         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1245
1246         if (ret != 0) {
1247                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1248                 spin_lock_irqsave(&priv->driver_lock, flags);
1249                 priv->cur_cmd_retcode = ret;
1250                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1251                 priv->cur_cmd = NULL;
1252                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1253                 goto done;
1254         }
1255
1256         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1257
1258         /* Setup the timer after transmit command */
1259         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1260             || command == CMD_802_11_ASSOCIATE)
1261                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1262         else
1263                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1264
1265         ret = 0;
1266
1267 done:
1268         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1269         return ret;
1270 }
1271
1272 static int lbs_cmd_mac_control(struct lbs_private *priv,
1273                                 struct cmd_ds_command *cmd)
1274 {
1275         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1276
1277         lbs_deb_enter(LBS_DEB_CMD);
1278
1279         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1280         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1281         mac->action = cpu_to_le16(priv->currentpacketfilter);
1282
1283         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1284                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1285
1286         lbs_deb_leave(LBS_DEB_CMD);
1287         return 0;
1288 }
1289
1290 /**
1291  *  This function inserts command node to cmdfreeq
1292  *  after cleans it. Requires priv->driver_lock held.
1293  */
1294 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1295         struct cmd_ctrl_node *ptempcmd)
1296 {
1297
1298         if (!ptempcmd)
1299                 return;
1300
1301         cleanup_cmdnode(ptempcmd);
1302         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1303 }
1304
1305 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1306         struct cmd_ctrl_node *ptempcmd)
1307 {
1308         unsigned long flags;
1309
1310         spin_lock_irqsave(&priv->driver_lock, flags);
1311         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1312         spin_unlock_irqrestore(&priv->driver_lock, flags);
1313 }
1314
1315 int lbs_set_radio_control(struct lbs_private *priv)
1316 {
1317         int ret = 0;
1318
1319         lbs_deb_enter(LBS_DEB_CMD);
1320
1321         ret = lbs_prepare_and_send_command(priv,
1322                                     CMD_802_11_RADIO_CONTROL,
1323                                     CMD_ACT_SET,
1324                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1325
1326         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1327                priv->radioon, priv->preamble);
1328
1329         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1330         return ret;
1331 }
1332
1333 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1334 {
1335         int ret = 0;
1336
1337         lbs_deb_enter(LBS_DEB_CMD);
1338
1339         /* Send MAC control command to station */
1340         ret = lbs_prepare_and_send_command(priv,
1341                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1342
1343         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1344         return ret;
1345 }
1346
1347 /**
1348  *  @brief This function prepare the command before send to firmware.
1349  *
1350  *  @param priv         A pointer to struct lbs_private structure
1351  *  @param cmd_no       command number
1352  *  @param cmd_action   command action: GET or SET
1353  *  @param wait_option  wait option: wait response or not
1354  *  @param cmd_oid      cmd oid: treated as sub command
1355  *  @param pdata_buf    A pointer to informaion buffer
1356  *  @return             0 or -1
1357  */
1358 int lbs_prepare_and_send_command(struct lbs_private *priv,
1359                           u16 cmd_no,
1360                           u16 cmd_action,
1361                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1362 {
1363         int ret = 0;
1364         struct cmd_ctrl_node *cmdnode;
1365         struct cmd_ds_command *cmdptr;
1366         unsigned long flags;
1367
1368         lbs_deb_enter(LBS_DEB_HOST);
1369
1370         if (!priv) {
1371                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1372                 ret = -1;
1373                 goto done;
1374         }
1375
1376         if (priv->surpriseremoved) {
1377                 lbs_deb_host("PREP_CMD: card removed\n");
1378                 ret = -1;
1379                 goto done;
1380         }
1381
1382         cmdnode = lbs_get_cmd_ctrl_node(priv);
1383
1384         if (cmdnode == NULL) {
1385                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1386
1387                 /* Wake up main thread to execute next command */
1388                 wake_up_interruptible(&priv->waitq);
1389                 ret = -1;
1390                 goto done;
1391         }
1392
1393         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1394
1395         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1396
1397         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1398
1399         if (!cmdptr) {
1400                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1401                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1402                 ret = -1;
1403                 goto done;
1404         }
1405
1406         /* Set sequence number, command and INT option */
1407         priv->seqnum++;
1408         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1409
1410         cmdptr->command = cpu_to_le16(cmd_no);
1411         cmdptr->result = 0;
1412
1413         switch (cmd_no) {
1414         case CMD_802_11_PS_MODE:
1415                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1416                 break;
1417
1418         case CMD_802_11_SCAN:
1419                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1420                 break;
1421
1422         case CMD_MAC_CONTROL:
1423                 ret = lbs_cmd_mac_control(priv, cmdptr);
1424                 break;
1425
1426         case CMD_802_11_ASSOCIATE:
1427         case CMD_802_11_REASSOCIATE:
1428                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1429                 break;
1430
1431         case CMD_802_11_DEAUTHENTICATE:
1432                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1433                 break;
1434
1435         case CMD_802_11_SET_WEP:
1436                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1437                 break;
1438
1439         case CMD_802_11_AD_HOC_START:
1440                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1441                 break;
1442         case CMD_CODE_DNLD:
1443                 break;
1444
1445         case CMD_802_11_RESET:
1446                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1447                 break;
1448
1449         case CMD_802_11_GET_LOG:
1450                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1451                 break;
1452
1453         case CMD_802_11_AUTHENTICATE:
1454                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1455                 break;
1456
1457         case CMD_802_11_GET_STAT:
1458                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1459                 break;
1460
1461         case CMD_802_11_SNMP_MIB:
1462                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1463                                                cmd_action, cmd_oid, pdata_buf);
1464                 break;
1465
1466         case CMD_MAC_REG_ACCESS:
1467         case CMD_BBP_REG_ACCESS:
1468         case CMD_RF_REG_ACCESS:
1469                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1470                 break;
1471
1472         case CMD_802_11_RF_TX_POWER:
1473                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1474                                                   cmd_action, pdata_buf);
1475                 break;
1476
1477         case CMD_802_11_RADIO_CONTROL:
1478                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1479                 break;
1480
1481         case CMD_802_11_RATE_ADAPT_RATESET:
1482                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1483                                                          cmdptr, cmd_action);
1484                 break;
1485
1486         case CMD_MAC_MULTICAST_ADR:
1487                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1488                 break;
1489
1490         case CMD_802_11_MONITOR_MODE:
1491                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1492                                           cmd_action, pdata_buf);
1493                 break;
1494
1495         case CMD_802_11_AD_HOC_JOIN:
1496                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1497                 break;
1498
1499         case CMD_802_11_RSSI:
1500                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1501                 break;
1502
1503         case CMD_802_11_AD_HOC_STOP:
1504                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1505                 break;
1506
1507         case CMD_802_11_ENABLE_RSN:
1508                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1509                                 pdata_buf);
1510                 break;
1511
1512         case CMD_802_11_KEY_MATERIAL:
1513                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1514                                 cmd_oid, pdata_buf);
1515                 break;
1516
1517         case CMD_802_11_PAIRWISE_TSC:
1518                 break;
1519         case CMD_802_11_GROUP_TSC:
1520                 break;
1521
1522         case CMD_802_11_MAC_ADDRESS:
1523                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1524                 break;
1525
1526         case CMD_802_11_EEPROM_ACCESS:
1527                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1528                                                     cmd_action, pdata_buf);
1529                 break;
1530
1531         case CMD_802_11_SET_AFC:
1532         case CMD_802_11_GET_AFC:
1533
1534                 cmdptr->command = cpu_to_le16(cmd_no);
1535                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1536                                            S_DS_GEN);
1537
1538                 memmove(&cmdptr->params.afc,
1539                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1540
1541                 ret = 0;
1542                 goto done;
1543
1544         case CMD_802_11D_DOMAIN_INFO:
1545                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1546                                                    cmd_no, cmd_action);
1547                 break;
1548
1549         case CMD_802_11_SLEEP_PARAMS:
1550                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1551                 break;
1552         case CMD_802_11_INACTIVITY_TIMEOUT:
1553                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1554                                                          cmd_action, pdata_buf);
1555                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1556                 break;
1557
1558         case CMD_802_11_TPC_CFG:
1559                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1560                 cmdptr->size =
1561                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1562                                      S_DS_GEN);
1563
1564                 memmove(&cmdptr->params.tpccfg,
1565                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1566
1567                 ret = 0;
1568                 break;
1569         case CMD_802_11_LED_GPIO_CTRL:
1570                 {
1571                         struct mrvlietypes_ledgpio *gpio =
1572                             (struct mrvlietypes_ledgpio*)
1573                             cmdptr->params.ledgpio.data;
1574
1575                         memmove(&cmdptr->params.ledgpio,
1576                                 pdata_buf,
1577                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1578
1579                         cmdptr->command =
1580                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1581
1582 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1583                         cmdptr->size =
1584                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1585                                 + S_DS_GEN
1586                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1587                         gpio->header.len = gpio->header.len;
1588
1589                         ret = 0;
1590                         break;
1591                 }
1592         case CMD_802_11_SUBSCRIBE_EVENT:
1593                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1594                         cmd_action, pdata_buf);
1595                 break;
1596         case CMD_802_11_PWR_CFG:
1597                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1598                 cmdptr->size =
1599                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1600                                      S_DS_GEN);
1601                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1602                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1603
1604                 ret = 0;
1605                 break;
1606         case CMD_BT_ACCESS:
1607                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1608                 break;
1609
1610         case CMD_FWT_ACCESS:
1611                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1612                 break;
1613
1614         case CMD_GET_TSF:
1615                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1616                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1617                                            S_DS_GEN);
1618                 ret = 0;
1619                 break;
1620         case CMD_802_11_BEACON_CTRL:
1621                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1622                 break;
1623         default:
1624                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1625                 ret = -1;
1626                 break;
1627         }
1628
1629         /* return error, since the command preparation failed */
1630         if (ret != 0) {
1631                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1632                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1633                 ret = -1;
1634                 goto done;
1635         }
1636
1637         cmdnode->cmdwaitqwoken = 0;
1638
1639         lbs_queue_cmd(priv, cmdnode, 1);
1640         wake_up_interruptible(&priv->waitq);
1641
1642         if (wait_option & CMD_OPTION_WAITFORRSP) {
1643                 lbs_deb_host("PREP_CMD: wait for response\n");
1644                 might_sleep();
1645                 wait_event_interruptible(cmdnode->cmdwait_q,
1646                                          cmdnode->cmdwaitqwoken);
1647         }
1648
1649         spin_lock_irqsave(&priv->driver_lock, flags);
1650         if (priv->cur_cmd_retcode) {
1651                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1652                        priv->cur_cmd_retcode);
1653                 priv->cur_cmd_retcode = 0;
1654                 ret = -1;
1655         }
1656         spin_unlock_irqrestore(&priv->driver_lock, flags);
1657
1658 done:
1659         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1660         return ret;
1661 }
1662 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1663
1664 /**
1665  *  @brief This function allocates the command buffer and link
1666  *  it to command free queue.
1667  *
1668  *  @param priv         A pointer to struct lbs_private structure
1669  *  @return             0 or -1
1670  */
1671 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1672 {
1673         int ret = 0;
1674         u32 bufsize;
1675         u32 i;
1676         struct cmd_ctrl_node *cmdarray;
1677
1678         lbs_deb_enter(LBS_DEB_HOST);
1679
1680         /* Allocate and initialize the command array */
1681         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1682         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1683                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1684                 ret = -1;
1685                 goto done;
1686         }
1687         priv->cmd_array = cmdarray;
1688
1689         /* Allocate and initialize each command buffer in the command array */
1690         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1691                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1692                 if (!cmdarray[i].cmdbuf) {
1693                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1694                         ret = -1;
1695                         goto done;
1696                 }
1697         }
1698
1699         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1700                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1701                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1702         }
1703         ret = 0;
1704
1705 done:
1706         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1707         return ret;
1708 }
1709
1710 /**
1711  *  @brief This function frees the command buffer.
1712  *
1713  *  @param priv         A pointer to struct lbs_private structure
1714  *  @return             0 or -1
1715  */
1716 int lbs_free_cmd_buffer(struct lbs_private *priv)
1717 {
1718         struct cmd_ctrl_node *cmdarray;
1719         unsigned int i;
1720
1721         lbs_deb_enter(LBS_DEB_HOST);
1722
1723         /* need to check if cmd array is allocated or not */
1724         if (priv->cmd_array == NULL) {
1725                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1726                 goto done;
1727         }
1728
1729         cmdarray = priv->cmd_array;
1730
1731         /* Release shared memory buffers */
1732         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1733                 if (cmdarray[i].cmdbuf) {
1734                         kfree(cmdarray[i].cmdbuf);
1735                         cmdarray[i].cmdbuf = NULL;
1736                 }
1737         }
1738
1739         /* Release cmd_ctrl_node */
1740         if (priv->cmd_array) {
1741                 kfree(priv->cmd_array);
1742                 priv->cmd_array = NULL;
1743         }
1744
1745 done:
1746         lbs_deb_leave(LBS_DEB_HOST);
1747         return 0;
1748 }
1749
1750 /**
1751  *  @brief This function gets a free command node if available in
1752  *  command free queue.
1753  *
1754  *  @param priv         A pointer to struct lbs_private structure
1755  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1756  */
1757 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1758 {
1759         struct cmd_ctrl_node *tempnode;
1760         unsigned long flags;
1761
1762         lbs_deb_enter(LBS_DEB_HOST);
1763
1764         if (!priv)
1765                 return NULL;
1766
1767         spin_lock_irqsave(&priv->driver_lock, flags);
1768
1769         if (!list_empty(&priv->cmdfreeq)) {
1770                 tempnode = list_first_entry(&priv->cmdfreeq,
1771                                             struct cmd_ctrl_node, list);
1772                 list_del(&tempnode->list);
1773         } else {
1774                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1775                 tempnode = NULL;
1776         }
1777
1778         spin_unlock_irqrestore(&priv->driver_lock, flags);
1779
1780         if (tempnode)
1781                 cleanup_cmdnode(tempnode);
1782
1783         lbs_deb_leave(LBS_DEB_HOST);
1784         return tempnode;
1785 }
1786
1787 /**
1788  *  @brief This function cleans command node.
1789  *
1790  *  @param ptempnode    A pointer to cmdCtrlNode structure
1791  *  @return             n/a
1792  */
1793 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1794 {
1795         lbs_deb_enter(LBS_DEB_HOST);
1796
1797         if (!cmdnode)
1798                 return;
1799         cmdnode->cmdwaitqwoken = 1;
1800         wake_up_interruptible(&cmdnode->cmdwait_q);
1801         cmdnode->wait_option = 0;
1802         cmdnode->pdata_buf = NULL;
1803         cmdnode->callback = NULL;
1804         cmdnode->callback_arg = 0;
1805
1806         if (cmdnode->cmdbuf != NULL)
1807                 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1808
1809         lbs_deb_leave(LBS_DEB_HOST);
1810 }
1811
1812 /**
1813  *  @brief This function initializes the command node.
1814  *
1815  *  @param priv         A pointer to struct lbs_private structure
1816  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1817  *  @param wait_option  wait option: wait response or not
1818  *  @param pdata_buf    A pointer to informaion buffer
1819  *  @return             0 or -1
1820  */
1821 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1822                                   struct cmd_ctrl_node *ptempnode,
1823                                   u16 wait_option, void *pdata_buf)
1824 {
1825         lbs_deb_enter(LBS_DEB_HOST);
1826
1827         if (!ptempnode)
1828                 return;
1829
1830         ptempnode->wait_option = wait_option;
1831         ptempnode->pdata_buf = pdata_buf;
1832         ptempnode->callback = NULL;
1833         ptempnode->callback_arg = 0;
1834
1835         lbs_deb_leave(LBS_DEB_HOST);
1836 }
1837
1838 /**
1839  *  @brief This function executes next command in command
1840  *  pending queue. It will put fimware back to PS mode
1841  *  if applicable.
1842  *
1843  *  @param priv     A pointer to struct lbs_private structure
1844  *  @return        0 or -1
1845  */
1846 int lbs_execute_next_command(struct lbs_private *priv)
1847 {
1848         struct cmd_ctrl_node *cmdnode = NULL;
1849         struct cmd_header *cmd;
1850         unsigned long flags;
1851         int ret = 0;
1852
1853         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1854         // only caller to us is lbs_thread() and we get even when a
1855         // data packet is received
1856         lbs_deb_enter(LBS_DEB_THREAD);
1857
1858         spin_lock_irqsave(&priv->driver_lock, flags);
1859
1860         if (priv->cur_cmd) {
1861                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1862                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1863                 ret = -1;
1864                 goto done;
1865         }
1866
1867         if (!list_empty(&priv->cmdpendingq)) {
1868                 cmdnode = list_first_entry(&priv->cmdpendingq,
1869                                            struct cmd_ctrl_node, list);
1870         }
1871
1872         spin_unlock_irqrestore(&priv->driver_lock, flags);
1873
1874         if (cmdnode) {
1875                 cmd = cmdnode->cmdbuf;
1876
1877                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1878                         if ((priv->psstate == PS_STATE_SLEEP) ||
1879                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1880                                 lbs_deb_host(
1881                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1882                                        le16_to_cpu(cmd->command),
1883                                        priv->psstate);
1884                                 ret = -1;
1885                                 goto done;
1886                         }
1887                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1888                                      "0x%04x in psstate %d\n",
1889                                      le16_to_cpu(cmd->command), priv->psstate);
1890                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1891                         /*
1892                          * 1. Non-PS command:
1893                          * Queue it. set needtowakeup to TRUE if current state
1894                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1895                          * 2. PS command but not Exit_PS:
1896                          * Ignore it.
1897                          * 3. PS command Exit_PS:
1898                          * Set needtowakeup to TRUE if current state is SLEEP,
1899                          * otherwise send this command down to firmware
1900                          * immediately.
1901                          */
1902                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1903                                 /*  Prepare to send Exit PS,
1904                                  *  this non PS command will be sent later */
1905                                 if ((priv->psstate == PS_STATE_SLEEP)
1906                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1907                                     ) {
1908                                         /* w/ new scheme, it will not reach here.
1909                                            since it is blocked in main_thread. */
1910                                         priv->needtowakeup = 1;
1911                                 } else
1912                                         lbs_ps_wakeup(priv, 0);
1913
1914                                 ret = 0;
1915                                 goto done;
1916                         } else {
1917                                 /*
1918                                  * PS command. Ignore it if it is not Exit_PS.
1919                                  * otherwise send it down immediately.
1920                                  */
1921                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1922
1923                                 lbs_deb_host(
1924                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1925                                        psm->action);
1926                                 if (psm->action !=
1927                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1928                                         lbs_deb_host(
1929                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1930                                         list_del(&cmdnode->list);
1931                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1932
1933                                         ret = 0;
1934                                         goto done;
1935                                 }
1936
1937                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1938                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1939                                         lbs_deb_host(
1940                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1941                                         list_del(&cmdnode->list);
1942                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1943                                         priv->needtowakeup = 1;
1944
1945                                         ret = 0;
1946                                         goto done;
1947                                 }
1948
1949                                 lbs_deb_host(
1950                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1951                         }
1952                 }
1953                 list_del(&cmdnode->list);
1954                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1955                             le16_to_cpu(cmd->command));
1956                 DownloadcommandToStation(priv, cmdnode);
1957         } else {
1958                 /*
1959                  * check if in power save mode, if yes, put the device back
1960                  * to PS mode
1961                  */
1962                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1963                     (priv->psstate == PS_STATE_FULL_POWER) &&
1964                     ((priv->connect_status == LBS_CONNECTED) ||
1965                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1966                         if (priv->secinfo.WPAenabled ||
1967                             priv->secinfo.WPA2enabled) {
1968                                 /* check for valid WPA group keys */
1969                                 if (priv->wpa_mcast_key.len ||
1970                                     priv->wpa_unicast_key.len) {
1971                                         lbs_deb_host(
1972                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1973                                                " go back to PS_SLEEP");
1974                                         lbs_ps_sleep(priv, 0);
1975                                 }
1976                         } else {
1977                                 lbs_deb_host(
1978                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1979                                        "go back to PS_SLEEP");
1980                                 lbs_ps_sleep(priv, 0);
1981                         }
1982                 }
1983         }
1984
1985         ret = 0;
1986 done:
1987         lbs_deb_leave(LBS_DEB_THREAD);
1988         return ret;
1989 }
1990
1991 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1992 {
1993         union iwreq_data iwrq;
1994         u8 buf[50];
1995
1996         lbs_deb_enter(LBS_DEB_WEXT);
1997
1998         memset(&iwrq, 0, sizeof(union iwreq_data));
1999         memset(buf, 0, sizeof(buf));
2000
2001         snprintf(buf, sizeof(buf) - 1, "%s", str);
2002
2003         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
2004
2005         /* Send Event to upper layer */
2006         lbs_deb_wext("event indication string %s\n", (char *)buf);
2007         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
2008         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
2009
2010         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
2011
2012         lbs_deb_leave(LBS_DEB_WEXT);
2013 }
2014
2015 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
2016 {
2017         unsigned long flags;
2018         int ret = 0;
2019
2020         lbs_deb_enter(LBS_DEB_HOST);
2021
2022         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2023                size);
2024
2025         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2026
2027         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2028         priv->dnld_sent = DNLD_RES_RECEIVED;
2029
2030         spin_lock_irqsave(&priv->driver_lock, flags);
2031         if (priv->intcounter || priv->currenttxskb)
2032                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2033                        priv->intcounter, priv->currenttxskb);
2034         spin_unlock_irqrestore(&priv->driver_lock, flags);
2035
2036         if (ret) {
2037                 lbs_pr_alert(
2038                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2039         } else {
2040                 spin_lock_irqsave(&priv->driver_lock, flags);
2041                 if (!priv->intcounter) {
2042                         priv->psstate = PS_STATE_SLEEP;
2043                 } else {
2044                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2045                                priv->intcounter);
2046                 }
2047                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2048
2049                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2050         }
2051
2052         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2053         return ret;
2054 }
2055
2056 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2057 {
2058         lbs_deb_enter(LBS_DEB_HOST);
2059
2060         /*
2061          * PS is currently supported only in Infrastructure mode
2062          * Remove this check if it is to be supported in IBSS mode also
2063          */
2064
2065         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2066                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2067
2068         lbs_deb_leave(LBS_DEB_HOST);
2069 }
2070
2071 /**
2072  *  @brief This function sends Exit_PS command to firmware.
2073  *
2074  *  @param priv         A pointer to struct lbs_private structure
2075  *  @param wait_option  wait response or not
2076  *  @return             n/a
2077  */
2078 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2079 {
2080         __le32 Localpsmode;
2081
2082         lbs_deb_enter(LBS_DEB_HOST);
2083
2084         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2085
2086         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2087                               CMD_SUBCMD_EXIT_PS,
2088                               wait_option, 0, &Localpsmode);
2089
2090         lbs_deb_leave(LBS_DEB_HOST);
2091 }
2092
2093 /**
2094  *  @brief This function checks condition and prepares to
2095  *  send sleep confirm command to firmware if ok.
2096  *
2097  *  @param priv         A pointer to struct lbs_private structure
2098  *  @param psmode       Power Saving mode
2099  *  @return             n/a
2100  */
2101 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2102 {
2103         unsigned long flags =0;
2104         u8 allowed = 1;
2105
2106         lbs_deb_enter(LBS_DEB_HOST);
2107
2108         if (priv->dnld_sent) {
2109                 allowed = 0;
2110                 lbs_deb_host("dnld_sent was set\n");
2111         }
2112
2113         spin_lock_irqsave(&priv->driver_lock, flags);
2114         if (priv->cur_cmd) {
2115                 allowed = 0;
2116                 lbs_deb_host("cur_cmd was set\n");
2117         }
2118         if (priv->intcounter > 0) {
2119                 allowed = 0;
2120                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2121         }
2122         spin_unlock_irqrestore(&priv->driver_lock, flags);
2123
2124         if (allowed) {
2125                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2126                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2127                                  sizeof(struct PS_CMD_ConfirmSleep));
2128         } else {
2129                 lbs_deb_host("sleep confirm has been delayed\n");
2130         }
2131
2132         lbs_deb_leave(LBS_DEB_HOST);
2133 }
2134
2135
2136 /**
2137  *  @brief Simple callback that copies response back into command
2138  *
2139  *  @param priv         A pointer to struct lbs_private structure
2140  *  @param extra        A pointer to the original command structure for which
2141  *                      'resp' is a response
2142  *  @param resp         A pointer to the command response
2143  *
2144  *  @return             0 on success, error on failure
2145  */
2146 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2147                      struct cmd_header *resp)
2148 {
2149         struct cmd_header *buf = (void *)extra;
2150         uint16_t copy_len;
2151
2152         lbs_deb_enter(LBS_DEB_CMD);
2153
2154         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2155         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2156                     "copy back buffer was %u bytes\n", copy_len,
2157                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2158         memcpy(buf, resp, copy_len);
2159
2160         lbs_deb_leave(LBS_DEB_CMD);
2161         return 0;
2162 }
2163 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2164
2165 /**
2166  *  @brief Simple way to call firmware functions
2167  *
2168  *  @param priv         A pointer to struct lbs_private structure
2169  *  @param psmode       one of the many CMD_802_11_xxxx
2170  *  @param cmd          pointer to the parameters structure for above command
2171  *                      (this should not include the command, size, sequence
2172  *                      and result fields from struct cmd_ds_gen)
2173  *  @param cmd_size     size structure pointed to by cmd
2174  *  @param rsp          pointer to an area where the result should be placed
2175  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2176  *                      returns fewer bytes, then this *rsp_size will be
2177  *                      changed to the actual size.
2178  *  @return             -1 in case of a higher level error, otherwise
2179  *                      the result code from the firmware
2180  */
2181 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2182               struct cmd_header *in_cmd, int in_cmd_size,
2183               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2184               unsigned long callback_arg)
2185 {
2186         struct cmd_ctrl_node *cmdnode;
2187         unsigned long flags;
2188         int ret = 0;
2189
2190         lbs_deb_enter(LBS_DEB_HOST);
2191
2192         if (!priv) {
2193                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2194                 ret = -1;
2195                 goto done;
2196         }
2197
2198         if (priv->surpriseremoved) {
2199                 lbs_deb_host("PREP_CMD: card removed\n");
2200                 ret = -1;
2201                 goto done;
2202         }
2203
2204         cmdnode = lbs_get_cmd_ctrl_node(priv);
2205         if (cmdnode == NULL) {
2206                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2207
2208                 /* Wake up main thread to execute next command */
2209                 wake_up_interruptible(&priv->waitq);
2210                 ret = -1;
2211                 goto done;
2212         }
2213
2214         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2215         cmdnode->callback = callback;
2216         cmdnode->callback_arg = callback_arg;
2217
2218         /* Copy the incoming command to the buffer */
2219         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2220
2221         /* Set sequence number, clean result, move to buffer */
2222         priv->seqnum++;
2223         cmdnode->cmdbuf->command = cpu_to_le16(command);
2224         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2225         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2226         cmdnode->cmdbuf->result  = 0;
2227
2228         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2229
2230         /* here was the big old switch() statement, which is now obsolete,
2231          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2232
2233         cmdnode->cmdwaitqwoken = 0;
2234         lbs_queue_cmd(priv, cmdnode, 1);
2235         wake_up_interruptible(&priv->waitq);
2236
2237         might_sleep();
2238         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2239
2240         spin_lock_irqsave(&priv->driver_lock, flags);
2241         if (priv->cur_cmd_retcode) {
2242                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2243                        priv->cur_cmd_retcode);
2244                 priv->cur_cmd_retcode = 0;
2245                 ret = -1;
2246         }
2247         spin_unlock_irqrestore(&priv->driver_lock, flags);
2248
2249 done:
2250         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2251         return ret;
2252 }
2253 EXPORT_SYMBOL_GPL(__lbs_cmd);
2254
2255