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 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  18 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 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 115                                    struct cmd_ds_command *cmd,
 116                                    u16 cmd_action)
 117 {
 118         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 119
 120         lbs_deb_enter(LBS_DEB_CMD);
 121
 122         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 123         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 124                                 S_DS_GEN);
 125         psm->action = cpu_to_le16(cmd_action);
 126         psm->multipledtim = 0;
 127         switch (cmd_action) {
 128         case CMD_SUBCMD_ENTER_PS:
 129                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 130
 131                 psm->locallisteninterval = 0;
 132                 psm->nullpktinterval = 0;
 133                 psm->multipledtim =
 134                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 135                 break;
 136
 137         case CMD_SUBCMD_EXIT_PS:
 138                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 139                 break;
 140
 141         case CMD_SUBCMD_SLEEP_CONFIRMED:
 142                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 143                 break;
 144
 145         default:
 146                 break;
 147         }
 148
 149         lbs_deb_leave(LBS_DEB_CMD);
 150         return 0;
 151 }
 152
 153 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 154                                               struct cmd_ds_command *cmd,
 155                                               u16 cmd_action, void *pdata_buf)
 156 {
 157         u16 *timeout = pdata_buf;
 158
 159         lbs_deb_enter(LBS_DEB_CMD);
 160
 161         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 162         cmd->size =
 163             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 164                              + S_DS_GEN);
 165
 166         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 167
 168         if (cmd_action)
 169                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 170         else
 171                 cmd->params.inactivity_timeout.timeout = 0;
 172
 173         lbs_deb_leave(LBS_DEB_CMD);
 174         return 0;
 175 }
 176
 177 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 178                                         struct cmd_ds_command *cmd,
 179                                         u16 cmd_action)
 180 {
 181         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 182
 183         lbs_deb_enter(LBS_DEB_CMD);
 184
 185         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 186                                 S_DS_GEN);
 187         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 188
 189         if (cmd_action == CMD_ACT_GET) {
 190                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 191                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 192                 sp->action = cpu_to_le16(cmd_action);
 193         } else if (cmd_action == CMD_ACT_SET) {
 194                 sp->action = cpu_to_le16(cmd_action);
 195                 sp->error = cpu_to_le16(priv->sp.sp_error);
 196                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 197                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 198                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 199                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 200                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 201         }
 202
 203         lbs_deb_leave(LBS_DEB_CMD);
 204         return 0;
 205 }
 206
 207 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 208                                    struct cmd_ds_command *cmd,
 209                                    u32 cmd_act,
 210                                    void * pdata_buf)
 211 {
 212         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 213         int ret = 0;
 214         struct assoc_request * assoc_req = pdata_buf;
 215
 216         lbs_deb_enter(LBS_DEB_CMD);
 217
 218         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 219         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 220
 221         if (cmd_act == CMD_ACT_ADD) {
 222                 int i;
 223
 224                 if (!assoc_req) {
 225                         lbs_deb_cmd("Invalid association request!");
 226                         ret = -1;
 227                         goto done;
 228                 }
 229
 230                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 231
 232                 /* default tx key index */
 233                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 234                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 235
 236                 /* Copy key types and material to host command structure */
 237                 for (i = 0; i < 4; i++) {
 238                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 239
 240                         switch (pkey->len) {
 241                         case KEY_LEN_WEP_40:
 242                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 243                                 memmove(&wep->keymaterial[i], pkey->key,
 244                                         pkey->len);
 245                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 246                                 break;
 247                         case KEY_LEN_WEP_104:
 248                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 249                                 memmove(&wep->keymaterial[i], pkey->key,
 250                                         pkey->len);
 251                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 252                                 break;
 253                         case 0:
 254                                 break;
 255                         default:
 256                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 257                                        i, pkey->len);
 258                                 ret = -1;
 259                                 goto done;
 260                                 break;
 261                         }
 262                 }
 263         } else if (cmd_act == CMD_ACT_REMOVE) {
 264                 /* ACT_REMOVE clears _all_ WEP keys */
 265                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 266
 267                 /* default tx key index */
 268                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 269                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 270                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 271         }
 272
 273         ret = 0;
 274
 275 done:
 276         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 277         return ret;
 278 }
 279
 280 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 281                                       struct cmd_ds_command *cmd,
 282                                       u16 cmd_action,
 283                                       void * pdata_buf)
 284 {
 285         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 286         u32 * enable = pdata_buf;
 287
 288         lbs_deb_enter(LBS_DEB_CMD);
 289
 290         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 291         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 292         penableRSN->action = cpu_to_le16(cmd_action);
 293
 294         if (cmd_action == CMD_ACT_SET) {
 295                 if (*enable)
 296                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 297                 else
 298                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 299                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 300         }
 301
 302         lbs_deb_leave(LBS_DEB_CMD);
 303         return 0;
 304 }
 305
 306
 307 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 308 {
 309         ssize_t pos = 0;
 310         struct mrvlietypesheader *tlv_h;
 311         while (pos < size) {
 312                 u16 length;
 313                 tlv_h = (struct mrvlietypesheader *) tlv;
 314                 if (tlv_h->len == 0)
 315                         return pos;
 316                 length = le16_to_cpu(tlv_h->len) +
 317                         sizeof(struct mrvlietypesheader);
 318                 pos += length;
 319                 tlv += length;
 320         }
 321         return pos;
 322 }
 323
 324
 325 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 326         struct cmd_ds_command *cmd, u16 cmd_action,
 327         void *pdata_buf)
 328 {
 329         struct cmd_ds_802_11_subscribe_event *events =
 330                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 331
 332         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 333          * for various Marvell TLVs */
 334
 335         lbs_deb_enter(LBS_DEB_CMD);
 336
 337         cmd->size = cpu_to_le16(sizeof(*events)
 338                         - sizeof(events->tlv)
 339                         + S_DS_GEN);
 340         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 341         if (cmd_action == CMD_ACT_GET) {
 342                 cmd->params.subscribe_event.events = 0;
 343         } else {
 344                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 345                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 346                 cmd->params.subscribe_event.events = events->events;
 347                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 348         }
 349
 350         lbs_deb_leave(LBS_DEB_CMD);
 351 }
 352
 353 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 354                             struct enc_key * pkey)
 355 {
 356         lbs_deb_enter(LBS_DEB_CMD);
 357
 358         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 359                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 360         }
 361         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 362                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 363         }
 364         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 365                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 366         }
 367
 368         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 369         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 370         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 371         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 372         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 373                                                 + sizeof(pkeyparamset->keyinfo)
 374                                                 + sizeof(pkeyparamset->keylen)
 375                                                 + sizeof(pkeyparamset->key));
 376         lbs_deb_leave(LBS_DEB_CMD);
 377 }
 378
 379 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 380                                         struct cmd_ds_command *cmd,
 381                                         u16 cmd_action,
 382                                         u32 cmd_oid, void *pdata_buf)
 383 {
 384         struct cmd_ds_802_11_key_material *pkeymaterial =
 385             &cmd->params.keymaterial;
 386         struct assoc_request * assoc_req = pdata_buf;
 387         int ret = 0;
 388         int index = 0;
 389
 390         lbs_deb_enter(LBS_DEB_CMD);
 391
 392         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 393         pkeymaterial->action = cpu_to_le16(cmd_action);
 394
 395         if (cmd_action == CMD_ACT_GET) {
 396                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 397                 ret = 0;
 398                 goto done;
 399         }
 400
 401         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 402
 403         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 404                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 405                                 &assoc_req->wpa_unicast_key);
 406                 index++;
 407         }
 408
 409         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 410                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 411                                 &assoc_req->wpa_mcast_key);
 412                 index++;
 413         }
 414
 415         cmd->size = cpu_to_le16(  S_DS_GEN
 416                                 + sizeof (pkeymaterial->action)
 417                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 418
 419         ret = 0;
 420
 421 done:
 422         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 423         return ret;
 424 }
 425
 426 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 427                                  struct cmd_ds_command *cmd, int cmd_action)
 428 {
 429         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 430
 431         lbs_deb_enter(LBS_DEB_CMD);
 432
 433         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 434         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 435         reset->action = cpu_to_le16(cmd_action);
 436
 437         lbs_deb_leave(LBS_DEB_CMD);
 438         return 0;
 439 }
 440
 441 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 442                                    struct cmd_ds_command *cmd)
 443 {
 444         lbs_deb_enter(LBS_DEB_CMD);
 445         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 446         cmd->size =
 447                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 448
 449         lbs_deb_leave(LBS_DEB_CMD);
 450         return 0;
 451 }
 452
 453 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 454                                     struct cmd_ds_command *cmd)
 455 {
 456         lbs_deb_enter(LBS_DEB_CMD);
 457         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 458         cmd->size =
 459             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 460
 461         lbs_deb_leave(LBS_DEB_CMD);
 462         return 0;
 463 }
 464
 465 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 466                                     struct cmd_ds_command *cmd,
 467                                     int cmd_action,
 468                                     int cmd_oid, void *pdata_buf)
 469 {
 470         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 471         u8 ucTemp;
 472
 473         lbs_deb_enter(LBS_DEB_CMD);
 474
 475         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 476
 477         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 478         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 479
 480         switch (cmd_oid) {
 481         case OID_802_11_INFRASTRUCTURE_MODE:
 482         {
 483                 u8 mode = (u8) (size_t) pdata_buf;
 484                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 485                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 486                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 487                 if (mode == IW_MODE_ADHOC) {
 488                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 489                 } else {
 490                         /* Infra and Auto modes */
 491                         ucTemp = SNMP_MIB_VALUE_INFRA;
 492                 }
 493
 494                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 495
 496                 break;
 497         }
 498
 499         case OID_802_11D_ENABLE:
 500                 {
 501                         u32 ulTemp;
 502
 503                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 504
 505                         if (cmd_action == CMD_ACT_SET) {
 506                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 507                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 508                                 ulTemp = *(u32 *)pdata_buf;
 509                                 *((__le16 *)(pSNMPMIB->value)) =
 510                                     cpu_to_le16((u16) ulTemp);
 511                         }
 512                         break;
 513                 }
 514
 515         case OID_802_11_FRAGMENTATION_THRESHOLD:
 516                 {
 517                         u32 ulTemp;
 518
 519                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 520
 521                         if (cmd_action == CMD_ACT_GET) {
 522                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 523                         } else if (cmd_action == CMD_ACT_SET) {
 524                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 525                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 526                                 ulTemp = *((u32 *) pdata_buf);
 527                                 *((__le16 *)(pSNMPMIB->value)) =
 528                                     cpu_to_le16((u16) ulTemp);
 529
 530                         }
 531
 532                         break;
 533                 }
 534
 535         case OID_802_11_RTS_THRESHOLD:
 536                 {
 537
 538                         u32 ulTemp;
 539                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 540
 541                         if (cmd_action == CMD_ACT_GET) {
 542                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 543                         } else if (cmd_action == CMD_ACT_SET) {
 544                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 545                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 546                                 ulTemp = *((u32 *)pdata_buf);
 547                                 *(__le16 *)(pSNMPMIB->value) =
 548                                     cpu_to_le16((u16) ulTemp);
 549
 550                         }
 551                         break;
 552                 }
 553         case OID_802_11_TX_RETRYCOUNT:
 554                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 555
 556                 if (cmd_action == CMD_ACT_GET) {
 557                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 558                 } else if (cmd_action == CMD_ACT_SET) {
 559                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 560                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 561                         *((__le16 *)(pSNMPMIB->value)) =
 562                             cpu_to_le16((u16) priv->txretrycount);
 563                 }
 564
 565                 break;
 566         default:
 567                 break;
 568         }
 569
 570         lbs_deb_cmd(
 571                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 572                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 573                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 574
 575         lbs_deb_cmd(
 576                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 577                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 578                le16_to_cpu(pSNMPMIB->bufsize),
 579                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 580
 581         lbs_deb_leave(LBS_DEB_CMD);
 582         return 0;
 583 }
 584
 585 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
 586                                          struct cmd_ds_command *cmd,
 587                                          int cmd_action)
 588 {
 589         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 590
 591         lbs_deb_enter(LBS_DEB_CMD);
 592
 593         cmd->size =
 594             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 595                              S_DS_GEN);
 596         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 597
 598         pradiocontrol->action = cpu_to_le16(cmd_action);
 599
 600         switch (priv->preamble) {
 601         case CMD_TYPE_SHORT_PREAMBLE:
 602                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 603                 break;
 604
 605         case CMD_TYPE_LONG_PREAMBLE:
 606                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 607                 break;
 608
 609         case CMD_TYPE_AUTO_PREAMBLE:
 610         default:
 611                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 612                 break;
 613         }
 614
 615         if (priv->radioon)
 616                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 617         else
 618                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 619
 620         lbs_deb_leave(LBS_DEB_CMD);
 621         return 0;
 622 }
 623
 624 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 625                                        struct cmd_ds_command *cmd,
 626                                        u16 cmd_action, void *pdata_buf)
 627 {
 628
 629         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 630
 631         lbs_deb_enter(LBS_DEB_CMD);
 632
 633         cmd->size =
 634             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 635         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 636         prtp->action = cpu_to_le16(cmd_action);
 637
 638         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 639                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 640                     le16_to_cpu(prtp->action));
 641
 642         switch (cmd_action) {
 643         case CMD_ACT_TX_POWER_OPT_GET:
 644                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 645                 prtp->currentlevel = 0;
 646                 break;
 647
 648         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 649                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 650                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 651                 break;
 652
 653         case CMD_ACT_TX_POWER_OPT_SET_MID:
 654                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 655                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 656                 break;
 657
 658         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 659                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 660                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 661                 break;
 662         }
 663
 664         lbs_deb_leave(LBS_DEB_CMD);
 665         return 0;
 666 }
 667
 668 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 669                                       struct cmd_ds_command *cmd,
 670                                       u16 cmd_action, void *pdata_buf)
 671 {
 672         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 673
 674         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 675         cmd->size =
 676             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 677                              S_DS_GEN);
 678
 679         monitor->action = cpu_to_le16(cmd_action);
 680         if (cmd_action == CMD_ACT_SET) {
 681                 monitor->mode =
 682                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 683         }
 684
 685         return 0;
 686 }
 687
 688 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 689                                               struct cmd_ds_command *cmd,
 690                                               u16 cmd_action)
 691 {
 692         struct cmd_ds_802_11_rate_adapt_rateset
 693         *rateadapt = &cmd->params.rateset;
 694
 695         lbs_deb_enter(LBS_DEB_CMD);
 696         cmd->size =
 697             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 698                              + S_DS_GEN);
 699         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 700
 701         rateadapt->action = cpu_to_le16(cmd_action);
 702         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 703         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 704
 705         lbs_deb_leave(LBS_DEB_CMD);
 706         return 0;
 707 }
 708
 709 static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
 710                                      struct cmd_ds_command *cmd,
 711                                      u16 cmd_action)
 712 {
 713         struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
 714
 715         lbs_deb_enter(LBS_DEB_CMD);
 716
 717         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
 718                              S_DS_GEN);
 719         cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
 720         memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
 721         pdatarate->action = cpu_to_le16(cmd_action);
 722
 723         if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
 724                 pdatarate->rates[0] = lbs_data_rate_to_fw_index(priv->cur_rate);
 725                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
 726                        priv->cur_rate);
 727         } else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
 728                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 729         }
 730
 731         lbs_deb_leave(LBS_DEB_CMD);
 732         return 0;
 733 }
 734
 735 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 736                                       struct cmd_ds_command *cmd,
 737                                       u16 cmd_action)
 738 {
 739         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 740
 741         lbs_deb_enter(LBS_DEB_CMD);
 742         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 743                              S_DS_GEN);
 744         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 745
 746         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 747         pMCastAdr->action = cpu_to_le16(cmd_action);
 748         pMCastAdr->nr_of_adrs =
 749             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 750         memcpy(pMCastAdr->maclist, priv->multicastlist,
 751                priv->nr_of_multicastmacaddr * ETH_ALEN);
 752
 753         lbs_deb_leave(LBS_DEB_CMD);
 754         return 0;
 755 }
 756
 757 static int lbs_cmd_802_11_rf_channel(struct lbs_private *priv,
 758                                       struct cmd_ds_command *cmd,
 759                                       int option, void *pdata_buf)
 760 {
 761         struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
 762
 763         lbs_deb_enter(LBS_DEB_CMD);
 764         cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
 765         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
 766                                 S_DS_GEN);
 767
 768         if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
 769                 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
 770         }
 771
 772         rfchan->action = cpu_to_le16(option);
 773
 774         lbs_deb_leave(LBS_DEB_CMD);
 775         return 0;
 776 }
 777
 778 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 779                                 struct cmd_ds_command *cmd)
 780 {
 781
 782         lbs_deb_enter(LBS_DEB_CMD);
 783         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 784         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 785         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 786
 787         /* reset Beacon SNR/NF/RSSI values */
 788         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 789         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 790         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 791         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 792         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 793         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 794
 795         lbs_deb_leave(LBS_DEB_CMD);
 796         return 0;
 797 }
 798
 799 static int lbs_cmd_reg_access(struct lbs_private *priv,
 800                                struct cmd_ds_command *cmdptr,
 801                                u8 cmd_action, void *pdata_buf)
 802 {
 803         struct lbs_offset_value *offval;
 804
 805         lbs_deb_enter(LBS_DEB_CMD);
 806
 807         offval = (struct lbs_offset_value *)pdata_buf;
 808
 809         switch (le16_to_cpu(cmdptr->command)) {
 810         case CMD_MAC_REG_ACCESS:
 811                 {
 812                         struct cmd_ds_mac_reg_access *macreg;
 813
 814                         cmdptr->size =
 815                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 816                                         + S_DS_GEN);
 817                         macreg =
 818                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 819                             macreg;
 820
 821                         macreg->action = cpu_to_le16(cmd_action);
 822                         macreg->offset = cpu_to_le16((u16) offval->offset);
 823                         macreg->value = cpu_to_le32(offval->value);
 824
 825                         break;
 826                 }
 827
 828         case CMD_BBP_REG_ACCESS:
 829                 {
 830                         struct cmd_ds_bbp_reg_access *bbpreg;
 831
 832                         cmdptr->size =
 833                             cpu_to_le16(sizeof
 834                                              (struct cmd_ds_bbp_reg_access)
 835                                              + S_DS_GEN);
 836                         bbpreg =
 837                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 838                             bbpreg;
 839
 840                         bbpreg->action = cpu_to_le16(cmd_action);
 841                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 842                         bbpreg->value = (u8) offval->value;
 843
 844                         break;
 845                 }
 846
 847         case CMD_RF_REG_ACCESS:
 848                 {
 849                         struct cmd_ds_rf_reg_access *rfreg;
 850
 851                         cmdptr->size =
 852                             cpu_to_le16(sizeof
 853                                              (struct cmd_ds_rf_reg_access) +
 854                                              S_DS_GEN);
 855                         rfreg =
 856                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 857                             rfreg;
 858
 859                         rfreg->action = cpu_to_le16(cmd_action);
 860                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 861                         rfreg->value = (u8) offval->value;
 862
 863                         break;
 864                 }
 865
 866         default:
 867                 break;
 868         }
 869
 870         lbs_deb_leave(LBS_DEB_CMD);
 871         return 0;
 872 }
 873
 874 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 875                                        struct cmd_ds_command *cmd,
 876                                        u16 cmd_action)
 877 {
 878
 879         lbs_deb_enter(LBS_DEB_CMD);
 880         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 881         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 882                              S_DS_GEN);
 883         cmd->result = 0;
 884
 885         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 886
 887         if (cmd_action == CMD_ACT_SET) {
 888                 memcpy(cmd->params.macadd.macadd,
 889                        priv->current_addr, ETH_ALEN);
 890                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 891         }
 892
 893         lbs_deb_leave(LBS_DEB_CMD);
 894         return 0;
 895 }
 896
 897 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 898                                          struct cmd_ds_command *cmd,
 899                                          int cmd_action, void *pdata_buf)
 900 {
 901         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 902
 903         lbs_deb_enter(LBS_DEB_CMD);
 904
 905         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 906         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 907                                 S_DS_GEN);
 908         cmd->result = 0;
 909
 910         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 911         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 912         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 913         cmd->params.rdeeprom.value = 0;
 914
 915         lbs_deb_leave(LBS_DEB_CMD);
 916         return 0;
 917 }
 918
 919 static int lbs_cmd_bt_access(struct lbs_private *priv,
 920                                struct cmd_ds_command *cmd,
 921                                u16 cmd_action, void *pdata_buf)
 922 {
 923         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 924         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 925
 926         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
 927         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
 928         cmd->result = 0;
 929         bt_access->action = cpu_to_le16(cmd_action);
 930
 931         switch (cmd_action) {
 932         case CMD_ACT_BT_ACCESS_ADD:
 933                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 934                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
 935                 break;
 936         case CMD_ACT_BT_ACCESS_DEL:
 937                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 938                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
 939                 break;
 940         case CMD_ACT_BT_ACCESS_LIST:
 941                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 942                 break;
 943         case CMD_ACT_BT_ACCESS_RESET:
 944                 break;
 945         case CMD_ACT_BT_ACCESS_SET_INVERT:
 946                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 947                 break;
 948         case CMD_ACT_BT_ACCESS_GET_INVERT:
 949                 break;
 950         default:
 951                 break;
 952         }
 953         lbs_deb_leave(LBS_DEB_CMD);
 954         return 0;
 955 }
 956
 957 static int lbs_cmd_fwt_access(struct lbs_private *priv,
 958                                struct cmd_ds_command *cmd,
 959                                u16 cmd_action, void *pdata_buf)
 960 {
 961         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
 962         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 963
 964         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
 965         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
 966         cmd->result = 0;
 967
 968         if (pdata_buf)
 969                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
 970         else
 971                 memset(fwt_access, 0, sizeof(*fwt_access));
 972
 973         fwt_access->action = cpu_to_le16(cmd_action);
 974
 975         lbs_deb_leave(LBS_DEB_CMD);
 976         return 0;
 977 }
 978
 979 static int lbs_cmd_mesh_access(struct lbs_private *priv,
 980                                 struct cmd_ds_command *cmd,
 981                                 u16 cmd_action, void *pdata_buf)
 982 {
 983         struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
 984         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 985
 986         cmd->command = cpu_to_le16(CMD_MESH_ACCESS);
 987         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
 988         cmd->result = 0;
 989
 990         if (pdata_buf)
 991                 memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
 992         else
 993                 memset(mesh_access, 0, sizeof(*mesh_access));
 994
 995         mesh_access->action = cpu_to_le16(cmd_action);
 996
 997         lbs_deb_leave(LBS_DEB_CMD);
 998         return 0;
 999 }
1000
1001 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1002                                 struct cmd_ds_command *cmd,
1003                                 u16 cmd_action)
1004 {
1005         struct cmd_ds_802_11_beacon_control
1006                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1007
1008         lbs_deb_enter(LBS_DEB_CMD);
1009         cmd->size =
1010             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1011                              + S_DS_GEN);
1012         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1013
1014         bcn_ctrl->action = cpu_to_le16(cmd_action);
1015         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1016         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1017
1018         lbs_deb_leave(LBS_DEB_CMD);
1019         return 0;
1020 }
1021
1022 /*
1023  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1024  * the command timer, because it does not account for queued commands.
1025  */
1026 void lbs_queue_cmd(struct lbs_private *priv,
1027         struct cmd_ctrl_node *cmdnode,
1028         u8 addtail)
1029 {
1030         unsigned long flags;
1031         struct cmd_ds_command *cmdptr;
1032
1033         lbs_deb_enter(LBS_DEB_HOST);
1034
1035         if (!cmdnode) {
1036                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1037                 goto done;
1038         }
1039
1040         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1041         if (!cmdptr) {
1042                 lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n");
1043                 goto done;
1044         }
1045
1046         /* Exit_PS command needs to be queued in the header always. */
1047         if (le16_to_cpu(cmdptr->command) == CMD_802_11_PS_MODE) {
1048                 struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
1049                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1050                         if (priv->psstate != PS_STATE_FULL_POWER)
1051                                 addtail = 0;
1052                 }
1053         }
1054
1055         spin_lock_irqsave(&priv->driver_lock, flags);
1056
1057         if (addtail)
1058                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1059         else
1060                 list_add(&cmdnode->list, &priv->cmdpendingq);
1061
1062         spin_unlock_irqrestore(&priv->driver_lock, flags);
1063
1064         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1065                le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command));
1066
1067 done:
1068         lbs_deb_leave(LBS_DEB_HOST);
1069 }
1070
1071 /*
1072  * TODO: Fix the issue when DownloadcommandToStation is being called the
1073  * second time when the command times out. All the cmdptr->xxx are in little
1074  * endian and therefore all the comparissions will fail.
1075  * For now - we are not performing the endian conversion the second time - but
1076  * for PS and DEEP_SLEEP we need to worry
1077  */
1078 static int DownloadcommandToStation(struct lbs_private *priv,
1079                                     struct cmd_ctrl_node *cmdnode)
1080 {
1081         unsigned long flags;
1082         struct cmd_ds_command *cmdptr;
1083         int ret = -1;
1084         u16 cmdsize;
1085         u16 command;
1086
1087         lbs_deb_enter(LBS_DEB_HOST);
1088
1089         if (!priv || !cmdnode) {
1090                 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1091                 goto done;
1092         }
1093
1094         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1095
1096         spin_lock_irqsave(&priv->driver_lock, flags);
1097         if (!cmdptr || !cmdptr->size) {
1098                 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1099                 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1100                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1101                 goto done;
1102         }
1103
1104         priv->cur_cmd = cmdnode;
1105         priv->cur_cmd_retcode = 0;
1106         spin_unlock_irqrestore(&priv->driver_lock, flags);
1107
1108         cmdsize = le16_to_cpu(cmdptr->size);
1109         command = le16_to_cpu(cmdptr->command);
1110
1111         lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1112                     command, cmdsize, jiffies);
1113         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize);
1114
1115         cmdnode->cmdwaitqwoken = 0;
1116
1117         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
1118
1119         if (ret != 0) {
1120                 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1121                 spin_lock_irqsave(&priv->driver_lock, flags);
1122                 priv->cur_cmd_retcode = ret;
1123                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1124                 priv->cur_cmd = NULL;
1125                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1126                 goto done;
1127         }
1128
1129         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1130
1131         /* Setup the timer after transmit command */
1132         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1133             || command == CMD_802_11_ASSOCIATE)
1134                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1135         else
1136                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1137
1138         ret = 0;
1139
1140 done:
1141         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1142         return ret;
1143 }
1144
1145 static int lbs_cmd_mac_control(struct lbs_private *priv,
1146                                 struct cmd_ds_command *cmd)
1147 {
1148         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1149
1150         lbs_deb_enter(LBS_DEB_CMD);
1151
1152         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1153         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1154         mac->action = cpu_to_le16(priv->currentpacketfilter);
1155
1156         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1157                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1158
1159         lbs_deb_leave(LBS_DEB_CMD);
1160         return 0;
1161 }
1162
1163 /**
1164  *  This function inserts command node to cmdfreeq
1165  *  after cleans it. Requires priv->driver_lock held.
1166  */
1167 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1168         struct cmd_ctrl_node *ptempcmd)
1169 {
1170
1171         if (!ptempcmd)
1172                 return;
1173
1174         cleanup_cmdnode(ptempcmd);
1175         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1176 }
1177
1178 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1179         struct cmd_ctrl_node *ptempcmd)
1180 {
1181         unsigned long flags;
1182
1183         spin_lock_irqsave(&priv->driver_lock, flags);
1184         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1185         spin_unlock_irqrestore(&priv->driver_lock, flags);
1186 }
1187
1188 int lbs_set_radio_control(struct lbs_private *priv)
1189 {
1190         int ret = 0;
1191
1192         lbs_deb_enter(LBS_DEB_CMD);
1193
1194         ret = lbs_prepare_and_send_command(priv,
1195                                     CMD_802_11_RADIO_CONTROL,
1196                                     CMD_ACT_SET,
1197                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1198
1199         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1200                priv->radioon, priv->preamble);
1201
1202         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1203         return ret;
1204 }
1205
1206 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1207 {
1208         int ret = 0;
1209
1210         lbs_deb_enter(LBS_DEB_CMD);
1211
1212         /* Send MAC control command to station */
1213         ret = lbs_prepare_and_send_command(priv,
1214                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1215
1216         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1217         return ret;
1218 }
1219
1220 /**
1221  *  @brief This function prepare the command before send to firmware.
1222  *
1223  *  @param priv         A pointer to struct lbs_private structure
1224  *  @param cmd_no       command number
1225  *  @param cmd_action   command action: GET or SET
1226  *  @param wait_option  wait option: wait response or not
1227  *  @param cmd_oid      cmd oid: treated as sub command
1228  *  @param pdata_buf    A pointer to informaion buffer
1229  *  @return             0 or -1
1230  */
1231 int lbs_prepare_and_send_command(struct lbs_private *priv,
1232                           u16 cmd_no,
1233                           u16 cmd_action,
1234                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1235 {
1236         int ret = 0;
1237         struct cmd_ctrl_node *cmdnode;
1238         struct cmd_ds_command *cmdptr;
1239         unsigned long flags;
1240
1241         lbs_deb_enter(LBS_DEB_HOST);
1242
1243         if (!priv) {
1244                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1245                 ret = -1;
1246                 goto done;
1247         }
1248
1249         if (priv->surpriseremoved) {
1250                 lbs_deb_host("PREP_CMD: card removed\n");
1251                 ret = -1;
1252                 goto done;
1253         }
1254
1255         cmdnode = lbs_get_cmd_ctrl_node(priv);
1256
1257         if (cmdnode == NULL) {
1258                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1259
1260                 /* Wake up main thread to execute next command */
1261                 wake_up_interruptible(&priv->waitq);
1262                 ret = -1;
1263                 goto done;
1264         }
1265
1266         lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1267
1268         cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1269
1270         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1271
1272         if (!cmdptr) {
1273                 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1274                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1275                 ret = -1;
1276                 goto done;
1277         }
1278
1279         /* Set sequence number, command and INT option */
1280         priv->seqnum++;
1281         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1282
1283         cmdptr->command = cpu_to_le16(cmd_no);
1284         cmdptr->result = 0;
1285
1286         switch (cmd_no) {
1287         case CMD_802_11_PS_MODE:
1288                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1289                 break;
1290
1291         case CMD_802_11_SCAN:
1292                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1293                 break;
1294
1295         case CMD_MAC_CONTROL:
1296                 ret = lbs_cmd_mac_control(priv, cmdptr);
1297                 break;
1298
1299         case CMD_802_11_ASSOCIATE:
1300         case CMD_802_11_REASSOCIATE:
1301                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1302                 break;
1303
1304         case CMD_802_11_DEAUTHENTICATE:
1305                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1306                 break;
1307
1308         case CMD_802_11_SET_WEP:
1309                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1310                 break;
1311
1312         case CMD_802_11_AD_HOC_START:
1313                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1314                 break;
1315         case CMD_CODE_DNLD:
1316                 break;
1317
1318         case CMD_802_11_RESET:
1319                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1320                 break;
1321
1322         case CMD_802_11_GET_LOG:
1323                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1324                 break;
1325
1326         case CMD_802_11_AUTHENTICATE:
1327                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1328                 break;
1329
1330         case CMD_802_11_GET_STAT:
1331                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1332                 break;
1333
1334         case CMD_802_11_SNMP_MIB:
1335                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1336                                                cmd_action, cmd_oid, pdata_buf);
1337                 break;
1338
1339         case CMD_MAC_REG_ACCESS:
1340         case CMD_BBP_REG_ACCESS:
1341         case CMD_RF_REG_ACCESS:
1342                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1343                 break;
1344
1345         case CMD_802_11_RF_CHANNEL:
1346                 ret = lbs_cmd_802_11_rf_channel(priv, cmdptr,
1347                                                  cmd_action, pdata_buf);
1348                 break;
1349
1350         case CMD_802_11_RF_TX_POWER:
1351                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1352                                                   cmd_action, pdata_buf);
1353                 break;
1354
1355         case CMD_802_11_RADIO_CONTROL:
1356                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1357                 break;
1358
1359         case CMD_802_11_DATA_RATE:
1360                 ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1361                 break;
1362         case CMD_802_11_RATE_ADAPT_RATESET:
1363                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1364                                                          cmdptr, cmd_action);
1365                 break;
1366
1367         case CMD_MAC_MULTICAST_ADR:
1368                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1369                 break;
1370
1371         case CMD_802_11_MONITOR_MODE:
1372                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1373                                           cmd_action, pdata_buf);
1374                 break;
1375
1376         case CMD_802_11_AD_HOC_JOIN:
1377                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1378                 break;
1379
1380         case CMD_802_11_RSSI:
1381                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1382                 break;
1383
1384         case CMD_802_11_AD_HOC_STOP:
1385                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1386                 break;
1387
1388         case CMD_802_11_ENABLE_RSN:
1389                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1390                                 pdata_buf);
1391                 break;
1392
1393         case CMD_802_11_KEY_MATERIAL:
1394                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1395                                 cmd_oid, pdata_buf);
1396                 break;
1397
1398         case CMD_802_11_PAIRWISE_TSC:
1399                 break;
1400         case CMD_802_11_GROUP_TSC:
1401                 break;
1402
1403         case CMD_802_11_MAC_ADDRESS:
1404                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1405                 break;
1406
1407         case CMD_802_11_EEPROM_ACCESS:
1408                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1409                                                     cmd_action, pdata_buf);
1410                 break;
1411
1412         case CMD_802_11_SET_AFC:
1413         case CMD_802_11_GET_AFC:
1414
1415                 cmdptr->command = cpu_to_le16(cmd_no);
1416                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1417                                            S_DS_GEN);
1418
1419                 memmove(&cmdptr->params.afc,
1420                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1421
1422                 ret = 0;
1423                 goto done;
1424
1425         case CMD_802_11D_DOMAIN_INFO:
1426                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1427                                                    cmd_no, cmd_action);
1428                 break;
1429
1430         case CMD_802_11_SLEEP_PARAMS:
1431                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1432                 break;
1433         case CMD_802_11_INACTIVITY_TIMEOUT:
1434                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1435                                                          cmd_action, pdata_buf);
1436                 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1437                 break;
1438
1439         case CMD_802_11_TPC_CFG:
1440                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1441                 cmdptr->size =
1442                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1443                                      S_DS_GEN);
1444
1445                 memmove(&cmdptr->params.tpccfg,
1446                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1447
1448                 ret = 0;
1449                 break;
1450         case CMD_802_11_LED_GPIO_CTRL:
1451                 {
1452                         struct mrvlietypes_ledgpio *gpio =
1453                             (struct mrvlietypes_ledgpio*)
1454                             cmdptr->params.ledgpio.data;
1455
1456                         memmove(&cmdptr->params.ledgpio,
1457                                 pdata_buf,
1458                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1459
1460                         cmdptr->command =
1461                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1462
1463 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1464                         cmdptr->size =
1465                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1466                                 + S_DS_GEN
1467                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1468                         gpio->header.len = gpio->header.len;
1469
1470                         ret = 0;
1471                         break;
1472                 }
1473         case CMD_802_11_SUBSCRIBE_EVENT:
1474                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1475                         cmd_action, pdata_buf);
1476                 break;
1477         case CMD_802_11_PWR_CFG:
1478                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1479                 cmdptr->size =
1480                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1481                                      S_DS_GEN);
1482                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1483                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1484
1485                 ret = 0;
1486                 break;
1487         case CMD_BT_ACCESS:
1488                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1489                 break;
1490
1491         case CMD_FWT_ACCESS:
1492                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1493                 break;
1494
1495         case CMD_MESH_ACCESS:
1496                 ret = lbs_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
1497                 break;
1498
1499         case CMD_GET_TSF:
1500                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1501                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1502                                            S_DS_GEN);
1503                 ret = 0;
1504                 break;
1505         case CMD_802_11_BEACON_CTRL:
1506                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1507                 break;
1508         default:
1509                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1510                 ret = -1;
1511                 break;
1512         }
1513
1514         /* return error, since the command preparation failed */
1515         if (ret != 0) {
1516                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1517                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1518                 ret = -1;
1519                 goto done;
1520         }
1521
1522         cmdnode->cmdwaitqwoken = 0;
1523
1524         lbs_queue_cmd(priv, cmdnode, 1);
1525         wake_up_interruptible(&priv->waitq);
1526
1527         if (wait_option & CMD_OPTION_WAITFORRSP) {
1528                 lbs_deb_host("PREP_CMD: wait for response\n");
1529                 might_sleep();
1530                 wait_event_interruptible(cmdnode->cmdwait_q,
1531                                          cmdnode->cmdwaitqwoken);
1532         }
1533
1534         spin_lock_irqsave(&priv->driver_lock, flags);
1535         if (priv->cur_cmd_retcode) {
1536                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1537                        priv->cur_cmd_retcode);
1538                 priv->cur_cmd_retcode = 0;
1539                 ret = -1;
1540         }
1541         spin_unlock_irqrestore(&priv->driver_lock, flags);
1542
1543 done:
1544         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1545         return ret;
1546 }
1547 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1548
1549 /**
1550  *  @brief This function allocates the command buffer and link
1551  *  it to command free queue.
1552  *
1553  *  @param priv         A pointer to struct lbs_private structure
1554  *  @return             0 or -1
1555  */
1556 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1557 {
1558         int ret = 0;
1559         u32 ulbufsize;
1560         u32 i;
1561         struct cmd_ctrl_node *tempcmd_array;
1562         u8 *ptempvirtualaddr;
1563
1564         lbs_deb_enter(LBS_DEB_HOST);
1565
1566         /* Allocate and initialize cmdCtrlNode */
1567         ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
1568
1569         if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
1570                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1571                 ret = -1;
1572                 goto done;
1573         }
1574         priv->cmd_array = tempcmd_array;
1575
1576         /* Allocate and initialize command buffers */
1577         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1578         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1579                 if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
1580                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1581                         ret = -1;
1582                         goto done;
1583                 }
1584
1585                 /* Update command buffer virtual */
1586                 tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
1587         }
1588
1589         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1590                 init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
1591                 lbs_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
1592         }
1593
1594         ret = 0;
1595
1596 done:
1597         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1598         return ret;
1599 }
1600
1601 /**
1602  *  @brief This function frees the command buffer.
1603  *
1604  *  @param priv         A pointer to struct lbs_private structure
1605  *  @return             0 or -1
1606  */
1607 int lbs_free_cmd_buffer(struct lbs_private *priv)
1608 {
1609         u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */
1610         unsigned int i;
1611         struct cmd_ctrl_node *tempcmd_array;
1612
1613         lbs_deb_enter(LBS_DEB_HOST);
1614
1615         /* need to check if cmd array is allocated or not */
1616         if (priv->cmd_array == NULL) {
1617                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1618                 goto done;
1619         }
1620
1621         tempcmd_array = priv->cmd_array;
1622
1623         /* Release shared memory buffers */
1624         ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
1625         for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
1626                 if (tempcmd_array[i].bufvirtualaddr) {
1627                         kfree(tempcmd_array[i].bufvirtualaddr);
1628                         tempcmd_array[i].bufvirtualaddr = NULL;
1629                 }
1630         }
1631
1632         /* Release cmd_ctrl_node */
1633         if (priv->cmd_array) {
1634                 kfree(priv->cmd_array);
1635                 priv->cmd_array = NULL;
1636         }
1637
1638 done:
1639         lbs_deb_leave(LBS_DEB_HOST);
1640         return 0;
1641 }
1642
1643 /**
1644  *  @brief This function gets a free command node if available in
1645  *  command free queue.
1646  *
1647  *  @param priv         A pointer to struct lbs_private structure
1648  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1649  */
1650 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1651 {
1652         struct cmd_ctrl_node *tempnode;
1653         unsigned long flags;
1654
1655         lbs_deb_enter(LBS_DEB_HOST);
1656
1657         if (!priv)
1658                 return NULL;
1659
1660         spin_lock_irqsave(&priv->driver_lock, flags);
1661
1662         if (!list_empty(&priv->cmdfreeq)) {
1663                 tempnode = list_first_entry(&priv->cmdfreeq,
1664                                             struct cmd_ctrl_node, list);
1665                 list_del(&tempnode->list);
1666         } else {
1667                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1668                 tempnode = NULL;
1669         }
1670
1671         spin_unlock_irqrestore(&priv->driver_lock, flags);
1672
1673         if (tempnode)
1674                 cleanup_cmdnode(tempnode);
1675
1676         lbs_deb_leave(LBS_DEB_HOST);
1677         return tempnode;
1678 }
1679
1680 /**
1681  *  @brief This function cleans command node.
1682  *
1683  *  @param ptempnode    A pointer to cmdCtrlNode structure
1684  *  @return             n/a
1685  */
1686 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
1687 {
1688         lbs_deb_enter(LBS_DEB_HOST);
1689
1690         if (!ptempnode)
1691                 return;
1692         ptempnode->cmdwaitqwoken = 1;
1693         wake_up_interruptible(&ptempnode->cmdwait_q);
1694         ptempnode->wait_option = 0;
1695         ptempnode->pdata_buf = NULL;
1696         ptempnode->callback = NULL;
1697         ptempnode->callback_arg = 0;
1698
1699         if (ptempnode->bufvirtualaddr != NULL)
1700                 memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
1701
1702         lbs_deb_leave(LBS_DEB_HOST);
1703 }
1704
1705 /**
1706  *  @brief This function initializes the command node.
1707  *
1708  *  @param priv         A pointer to struct lbs_private structure
1709  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1710  *  @param wait_option  wait option: wait response or not
1711  *  @param pdata_buf    A pointer to informaion buffer
1712  *  @return             0 or -1
1713  */
1714 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1715                     struct cmd_ctrl_node *ptempnode,
1716                     u16 wait_option, void *pdata_buf)
1717 {
1718         lbs_deb_enter(LBS_DEB_HOST);
1719
1720         if (!ptempnode)
1721                 return;
1722
1723         ptempnode->wait_option = wait_option;
1724         ptempnode->pdata_buf = pdata_buf;
1725         ptempnode->callback = NULL;
1726         ptempnode->callback_arg = 0;
1727
1728         lbs_deb_leave(LBS_DEB_HOST);
1729 }
1730
1731 /**
1732  *  @brief This function executes next command in command
1733  *  pending queue. It will put fimware back to PS mode
1734  *  if applicable.
1735  *
1736  *  @param priv     A pointer to struct lbs_private structure
1737  *  @return        0 or -1
1738  */
1739 int lbs_execute_next_command(struct lbs_private *priv)
1740 {
1741         struct cmd_ctrl_node *cmdnode = NULL;
1742         struct cmd_ds_command *cmdptr;
1743         unsigned long flags;
1744         int ret = 0;
1745
1746         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1747         // only caller to us is lbs_thread() and we get even when a
1748         // data packet is received
1749         lbs_deb_enter(LBS_DEB_THREAD);
1750
1751         spin_lock_irqsave(&priv->driver_lock, flags);
1752
1753         if (priv->cur_cmd) {
1754                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1755                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1756                 ret = -1;
1757                 goto done;
1758         }
1759
1760         if (!list_empty(&priv->cmdpendingq)) {
1761                 cmdnode = list_first_entry(&priv->cmdpendingq,
1762                                            struct cmd_ctrl_node, list);
1763         }
1764
1765         spin_unlock_irqrestore(&priv->driver_lock, flags);
1766
1767         if (cmdnode) {
1768                 cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
1769
1770                 if (is_command_allowed_in_ps(le16_to_cpu(cmdptr->command))) {
1771                         if ((priv->psstate == PS_STATE_SLEEP) ||
1772                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1773                                 lbs_deb_host(
1774                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1775                                        le16_to_cpu(cmdptr->command),
1776                                        priv->psstate);
1777                                 ret = -1;
1778                                 goto done;
1779                         }
1780                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1781                                "0x%04x in psstate %d\n",
1782                                     le16_to_cpu(cmdptr->command),
1783                                     priv->psstate);
1784                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1785                         /*
1786                          * 1. Non-PS command:
1787                          * Queue it. set needtowakeup to TRUE if current state
1788                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1789                          * 2. PS command but not Exit_PS:
1790                          * Ignore it.
1791                          * 3. PS command Exit_PS:
1792                          * Set needtowakeup to TRUE if current state is SLEEP,
1793                          * otherwise send this command down to firmware
1794                          * immediately.
1795                          */
1796                         if (cmdptr->command !=
1797                             cpu_to_le16(CMD_802_11_PS_MODE)) {
1798                                 /*  Prepare to send Exit PS,
1799                                  *  this non PS command will be sent later */
1800                                 if ((priv->psstate == PS_STATE_SLEEP)
1801                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1802                                     ) {
1803                                         /* w/ new scheme, it will not reach here.
1804                                            since it is blocked in main_thread. */
1805                                         priv->needtowakeup = 1;
1806                                 } else
1807                                         lbs_ps_wakeup(priv, 0);
1808
1809                                 ret = 0;
1810                                 goto done;
1811                         } else {
1812                                 /*
1813                                  * PS command. Ignore it if it is not Exit_PS.
1814                                  * otherwise send it down immediately.
1815                                  */
1816                                 struct cmd_ds_802_11_ps_mode *psm =
1817                                     &cmdptr->params.psmode;
1818
1819                                 lbs_deb_host(
1820                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1821                                        psm->action);
1822                                 if (psm->action !=
1823                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1824                                         lbs_deb_host(
1825                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1826                                         list_del(&cmdnode->list);
1827                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1828
1829                                         ret = 0;
1830                                         goto done;
1831                                 }
1832
1833                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1834                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1835                                         lbs_deb_host(
1836                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1837                                         list_del(&cmdnode->list);
1838                                         lbs_cleanup_and_insert_cmd(priv, cmdnode);
1839                                         priv->needtowakeup = 1;
1840
1841                                         ret = 0;
1842                                         goto done;
1843                                 }
1844
1845                                 lbs_deb_host(
1846                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1847                         }
1848                 }
1849                 list_del(&cmdnode->list);
1850                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1851                             le16_to_cpu(cmdptr->command));
1852                 DownloadcommandToStation(priv, cmdnode);
1853         } else {
1854                 /*
1855                  * check if in power save mode, if yes, put the device back
1856                  * to PS mode
1857                  */
1858                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1859                     (priv->psstate == PS_STATE_FULL_POWER) &&
1860                     ((priv->connect_status == LBS_CONNECTED) ||
1861                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1862                         if (priv->secinfo.WPAenabled ||
1863                             priv->secinfo.WPA2enabled) {
1864                                 /* check for valid WPA group keys */
1865                                 if (priv->wpa_mcast_key.len ||
1866                                     priv->wpa_unicast_key.len) {
1867                                         lbs_deb_host(
1868                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1869                                                " go back to PS_SLEEP");
1870                                         lbs_ps_sleep(priv, 0);
1871                                 }
1872                         } else {
1873                                 lbs_deb_host(
1874                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1875                                        "go back to PS_SLEEP");
1876                                 lbs_ps_sleep(priv, 0);
1877                         }
1878                 }
1879         }
1880
1881         ret = 0;
1882 done:
1883         lbs_deb_leave(LBS_DEB_THREAD);
1884         return ret;
1885 }
1886
1887 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1888 {
1889         union iwreq_data iwrq;
1890         u8 buf[50];
1891
1892         lbs_deb_enter(LBS_DEB_WEXT);
1893
1894         memset(&iwrq, 0, sizeof(union iwreq_data));
1895         memset(buf, 0, sizeof(buf));
1896
1897         snprintf(buf, sizeof(buf) - 1, "%s", str);
1898
1899         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1900
1901         /* Send Event to upper layer */
1902         lbs_deb_wext("event indication string %s\n", (char *)buf);
1903         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1904         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1905
1906         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1907
1908         lbs_deb_leave(LBS_DEB_WEXT);
1909 }
1910
1911 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1912 {
1913         unsigned long flags;
1914         int ret = 0;
1915
1916         lbs_deb_enter(LBS_DEB_HOST);
1917
1918         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1919                size);
1920
1921         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1922
1923         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1924         priv->dnld_sent = DNLD_RES_RECEIVED;
1925
1926         spin_lock_irqsave(&priv->driver_lock, flags);
1927         if (priv->intcounter || priv->currenttxskb)
1928                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1929                        priv->intcounter, priv->currenttxskb);
1930         spin_unlock_irqrestore(&priv->driver_lock, flags);
1931
1932         if (ret) {
1933                 lbs_pr_alert(
1934                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1935         } else {
1936                 spin_lock_irqsave(&priv->driver_lock, flags);
1937                 if (!priv->intcounter) {
1938                         priv->psstate = PS_STATE_SLEEP;
1939                 } else {
1940                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1941                                priv->intcounter);
1942                 }
1943                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1944
1945                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1946         }
1947
1948         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1949         return ret;
1950 }
1951
1952 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1953 {
1954         lbs_deb_enter(LBS_DEB_HOST);
1955
1956         /*
1957          * PS is currently supported only in Infrastructure mode
1958          * Remove this check if it is to be supported in IBSS mode also
1959          */
1960
1961         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1962                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1963
1964         lbs_deb_leave(LBS_DEB_HOST);
1965 }
1966
1967 /**
1968  *  @brief This function sends Exit_PS command to firmware.
1969  *
1970  *  @param priv         A pointer to struct lbs_private structure
1971  *  @param wait_option  wait response or not
1972  *  @return             n/a
1973  */
1974 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1975 {
1976         __le32 Localpsmode;
1977
1978         lbs_deb_enter(LBS_DEB_HOST);
1979
1980         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1981
1982         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1983                               CMD_SUBCMD_EXIT_PS,
1984                               wait_option, 0, &Localpsmode);
1985
1986         lbs_deb_leave(LBS_DEB_HOST);
1987 }
1988
1989 /**
1990  *  @brief This function checks condition and prepares to
1991  *  send sleep confirm command to firmware if ok.
1992  *
1993  *  @param priv         A pointer to struct lbs_private structure
1994  *  @param psmode       Power Saving mode
1995  *  @return             n/a
1996  */
1997 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1998 {
1999         unsigned long flags =0;
2000         u8 allowed = 1;
2001
2002         lbs_deb_enter(LBS_DEB_HOST);
2003
2004         if (priv->dnld_sent) {
2005                 allowed = 0;
2006                 lbs_deb_host("dnld_sent was set");
2007         }
2008
2009         spin_lock_irqsave(&priv->driver_lock, flags);
2010         if (priv->cur_cmd) {
2011                 allowed = 0;
2012                 lbs_deb_host("cur_cmd was set");
2013         }
2014         if (priv->intcounter > 0) {
2015                 allowed = 0;
2016                 lbs_deb_host("intcounter %d", priv->intcounter);
2017         }
2018         spin_unlock_irqrestore(&priv->driver_lock, flags);
2019
2020         if (allowed) {
2021                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2022                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2023                                  sizeof(struct PS_CMD_ConfirmSleep));
2024         } else {
2025                 lbs_deb_host("sleep confirm has been delayed\n");
2026         }
2027
2028         lbs_deb_leave(LBS_DEB_HOST);
2029 }
2030
2031
2032 /**
2033  *  @brief Simple callback that copies response back into command
2034  *
2035  *  @param priv         A pointer to struct lbs_private structure
2036  *  @param extra        A pointer to the original command structure for which
2037  *                      'resp' is a response
2038  *  @param resp         A pointer to the command response
2039  *
2040  *  @return             0 on success, error on failure
2041  */
2042 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2043                         struct cmd_header *resp)
2044 {
2045         struct cmd_header *buf = (void *)extra;
2046         uint16_t copy_len;
2047
2048         lbs_deb_enter(LBS_DEB_CMD);
2049
2050         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2051         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2052                     "copy back buffer was %u bytes", copy_len, resp->size,
2053                     buf->size);
2054         memcpy(buf, resp, copy_len);
2055
2056         lbs_deb_leave(LBS_DEB_CMD);
2057         return 0;
2058 }
2059
2060 /**
2061  *  @brief Simple way to call firmware functions
2062  *
2063  *  @param priv         A pointer to struct lbs_private structure
2064  *  @param psmode       one of the many CMD_802_11_xxxx
2065  *  @param cmd          pointer to the parameters structure for above command
2066  *                      (this should not include the command, size, sequence
2067  *                      and result fields from struct cmd_ds_gen)
2068  *  @param cmd_size     size structure pointed to by cmd
2069  *  @param rsp          pointer to an area where the result should be placed
2070  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2071  *                      returns fewer bytes, then this *rsp_size will be
2072  *                      changed to the actual size.
2073  *  @return             -1 in case of a higher level error, otherwise
2074  *                      the result code from the firmware
2075  */
2076 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2077               struct cmd_header *in_cmd, int in_cmd_size,
2078               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2079               unsigned long callback_arg)
2080 {
2081         struct cmd_ctrl_node *cmdnode;
2082         struct cmd_header *send_cmd;
2083         unsigned long flags;
2084         int ret = 0;
2085
2086         lbs_deb_enter(LBS_DEB_HOST);
2087
2088         if (!priv) {
2089                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2090                 ret = -1;
2091                 goto done;
2092         }
2093
2094         if (priv->surpriseremoved) {
2095                 lbs_deb_host("PREP_CMD: card removed\n");
2096                 ret = -1;
2097                 goto done;
2098         }
2099
2100         cmdnode = lbs_get_cmd_ctrl_node(priv);
2101         if (cmdnode == NULL) {
2102                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2103
2104                 /* Wake up main thread to execute next command */
2105                 wake_up_interruptible(&priv->waitq);
2106                 ret = -1;
2107                 goto done;
2108         }
2109
2110         send_cmd = (struct cmd_header *) cmdnode->bufvirtualaddr;
2111         cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2112         cmdnode->callback = callback;
2113         cmdnode->callback_arg = callback_arg;
2114
2115         /* Copy the incoming command to the buffer */
2116         memcpy(send_cmd, in_cmd, in_cmd_size);
2117
2118         /* Set sequence number, clean result, move to buffer */
2119         priv->seqnum++;
2120         send_cmd->command = cpu_to_le16(command);
2121         send_cmd->size    = cpu_to_le16(in_cmd_size);
2122         send_cmd->seqnum  = cpu_to_le16(priv->seqnum);
2123         send_cmd->result  = 0;
2124
2125         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2126
2127         /* here was the big old switch() statement, which is now obsolete,
2128          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2129
2130         cmdnode->cmdwaitqwoken = 0;
2131         lbs_queue_cmd(priv, cmdnode, 1);
2132         wake_up_interruptible(&priv->waitq);
2133
2134         might_sleep();
2135         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2136
2137         spin_lock_irqsave(&priv->driver_lock, flags);
2138         if (priv->cur_cmd_retcode) {
2139                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2140                        priv->cur_cmd_retcode);
2141                 priv->cur_cmd_retcode = 0;
2142                 ret = -1;
2143         }
2144         spin_unlock_irqrestore(&priv->driver_lock, flags);
2145
2146 done:
2147         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2148         return ret;
2149 }
2150 EXPORT_SYMBOL_GPL(__lbs_cmd);
2151
2152