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

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14 #include "cmd.h"
  15
  16 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  18                     struct cmd_ctrl_node *ptempnode,
  19                     void *pdata_buf);
  20
  21
  22 /**
  23  *  @brief Checks whether a command is allowed in Power Save mode
  24  *
  25  *  @param command the command ID
  26  *  @return        1 if allowed, 0 if not allowed
  27  */
  28 static u8 is_command_allowed_in_ps(u16 cmd)
  29 {
  30         switch (cmd) {
  31         case CMD_802_11_RSSI:
  32                 return 1;
  33         default:
  34                 break;
  35         }
  36         return 0;
  37 }
  38
  39 /**
  40  *  @brief Updates the hardware details like MAC address and regulatory region
  41  *
  42  *  @param priv         A pointer to struct lbs_private structure
  43  *
  44  *  @return             0 on success, error on failure
  45  */
  46 int lbs_update_hw_spec(struct lbs_private *priv)
  47 {
  48         struct cmd_ds_get_hw_spec cmd;
  49         int ret = -1;
  50         u32 i;
  51         DECLARE_MAC_BUF(mac);
  52
  53         lbs_deb_enter(LBS_DEB_CMD);
  54
  55         memset(&cmd, 0, sizeof(cmd));
  56         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  57         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  58         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  59         if (ret)
  60                 goto out;
  61
  62         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  63         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  64
  65         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  66                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  67                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  68         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  69                     print_mac(mac, cmd.permanentaddr));
  70         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  71                     cmd.hwifversion, cmd.version);
  72
  73         /* Clamp region code to 8-bit since FW spec indicates that it should
  74          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  75          * returns non-zero high 8 bits here.
  76          */
  77         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  78
  79         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  80                 /* use the region code to search for the index */
  81                 if (priv->regioncode == lbs_region_code_to_index[i])
  82                         break;
  83         }
  84
  85         /* if it's unidentified region code, use the default (USA) */
  86         if (i >= MRVDRV_MAX_REGION_CODE) {
  87                 priv->regioncode = 0x10;
  88                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  89         }
  90
  91         if (priv->current_addr[0] == 0xff)
  92                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  93
  94         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  95         if (priv->mesh_dev)
  96                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  97
  98         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
  99                 ret = -1;
 100                 goto out;
 101         }
 102
 103         if (lbs_set_universaltable(priv, 0)) {
 104                 ret = -1;
 105                 goto out;
 106         }
 107
 108 out:
 109         lbs_deb_leave(LBS_DEB_CMD);
 110         return ret;
 111 }
 112
 113 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 114 {
 115         struct cmd_ds_host_sleep cmd_config;
 116         int ret;
 117
 118         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 119         cmd_config.criteria = cpu_to_le32(criteria);
 120         cmd_config.gpio = priv->wol_gpio;
 121         cmd_config.gap = priv->wol_gap;
 122
 123         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 124         if (!ret) {
 125                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 126                 priv->wol_criteria = criteria;
 127         } else {
 128                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 129         }
 130
 131         return ret;
 132 }
 133 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 134
 135 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 136                                    struct cmd_ds_command *cmd,
 137                                    u16 cmd_action)
 138 {
 139         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 140
 141         lbs_deb_enter(LBS_DEB_CMD);
 142
 143         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 144         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 145                                 S_DS_GEN);
 146         psm->action = cpu_to_le16(cmd_action);
 147         psm->multipledtim = 0;
 148         switch (cmd_action) {
 149         case CMD_SUBCMD_ENTER_PS:
 150                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 151
 152                 psm->locallisteninterval = 0;
 153                 psm->nullpktinterval = 0;
 154                 psm->multipledtim =
 155                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 156                 break;
 157
 158         case CMD_SUBCMD_EXIT_PS:
 159                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 160                 break;
 161
 162         case CMD_SUBCMD_SLEEP_CONFIRMED:
 163                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 164                 break;
 165
 166         default:
 167                 break;
 168         }
 169
 170         lbs_deb_leave(LBS_DEB_CMD);
 171         return 0;
 172 }
 173
 174 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 175                                       uint16_t cmd_action, uint16_t *timeout)
 176 {
 177         struct cmd_ds_802_11_inactivity_timeout cmd;
 178         int ret;
 179
 180         lbs_deb_enter(LBS_DEB_CMD);
 181
 182         cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 183         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 184
 185         cmd.action = cpu_to_le16(cmd_action);
 186
 187         if (cmd_action == CMD_ACT_SET)
 188                 cmd.timeout = cpu_to_le16(*timeout);
 189         else
 190                 cmd.timeout = 0;
 191
 192         ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
 193
 194         if (!ret)
 195                 *timeout = le16_to_cpu(cmd.timeout);
 196
 197         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 198         return 0;
 199 }
 200
 201 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 202                                         struct cmd_ds_command *cmd,
 203                                         u16 cmd_action)
 204 {
 205         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 206
 207         lbs_deb_enter(LBS_DEB_CMD);
 208
 209         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 210                                 S_DS_GEN);
 211         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 212
 213         if (cmd_action == CMD_ACT_GET) {
 214                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 215                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 216                 sp->action = cpu_to_le16(cmd_action);
 217         } else if (cmd_action == CMD_ACT_SET) {
 218                 sp->action = cpu_to_le16(cmd_action);
 219                 sp->error = cpu_to_le16(priv->sp.sp_error);
 220                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 221                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 222                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 223                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 224                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 225         }
 226
 227         lbs_deb_leave(LBS_DEB_CMD);
 228         return 0;
 229 }
 230
 231 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 232                                    struct cmd_ds_command *cmd,
 233                                    u32 cmd_act,
 234                                    void * pdata_buf)
 235 {
 236         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 237         int ret = 0;
 238         struct assoc_request * assoc_req = pdata_buf;
 239
 240         lbs_deb_enter(LBS_DEB_CMD);
 241
 242         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 243         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 244
 245         if (cmd_act == CMD_ACT_ADD) {
 246                 int i;
 247
 248                 if (!assoc_req) {
 249                         lbs_deb_cmd("Invalid association request!\n");
 250                         ret = -1;
 251                         goto done;
 252                 }
 253
 254                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 255
 256                 /* default tx key index */
 257                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 258                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 259
 260                 /* Copy key types and material to host command structure */
 261                 for (i = 0; i < 4; i++) {
 262                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 263
 264                         switch (pkey->len) {
 265                         case KEY_LEN_WEP_40:
 266                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 267                                 memmove(&wep->keymaterial[i], pkey->key,
 268                                         pkey->len);
 269                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 270                                 break;
 271                         case KEY_LEN_WEP_104:
 272                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 273                                 memmove(&wep->keymaterial[i], pkey->key,
 274                                         pkey->len);
 275                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 276                                 break;
 277                         case 0:
 278                                 break;
 279                         default:
 280                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 281                                        i, pkey->len);
 282                                 ret = -1;
 283                                 goto done;
 284                                 break;
 285                         }
 286                 }
 287         } else if (cmd_act == CMD_ACT_REMOVE) {
 288                 /* ACT_REMOVE clears _all_ WEP keys */
 289                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 290
 291                 /* default tx key index */
 292                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 293                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 294                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 295         }
 296
 297         ret = 0;
 298
 299 done:
 300         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 301         return ret;
 302 }
 303
 304 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 305                                       struct cmd_ds_command *cmd,
 306                                       u16 cmd_action,
 307                                       void * pdata_buf)
 308 {
 309         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 310         u32 * enable = pdata_buf;
 311
 312         lbs_deb_enter(LBS_DEB_CMD);
 313
 314         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 315         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 316         penableRSN->action = cpu_to_le16(cmd_action);
 317
 318         if (cmd_action == CMD_ACT_SET) {
 319                 if (*enable)
 320                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 321                 else
 322                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 323                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 324         }
 325
 326         lbs_deb_leave(LBS_DEB_CMD);
 327         return 0;
 328 }
 329
 330
 331 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 332 {
 333         ssize_t pos = 0;
 334         struct mrvlietypesheader *tlv_h;
 335         while (pos < size) {
 336                 u16 length;
 337                 tlv_h = (struct mrvlietypesheader *) tlv;
 338                 if (tlv_h->len == 0)
 339                         return pos;
 340                 length = le16_to_cpu(tlv_h->len) +
 341                         sizeof(struct mrvlietypesheader);
 342                 pos += length;
 343                 tlv += length;
 344         }
 345         return pos;
 346 }
 347
 348
 349 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 350         struct cmd_ds_command *cmd, u16 cmd_action,
 351         void *pdata_buf)
 352 {
 353         struct cmd_ds_802_11_subscribe_event *events =
 354                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 355
 356         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 357          * for various Marvell TLVs */
 358
 359         lbs_deb_enter(LBS_DEB_CMD);
 360
 361         cmd->size = cpu_to_le16(sizeof(*events)
 362                         - sizeof(events->tlv)
 363                         + S_DS_GEN);
 364         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 365         if (cmd_action == CMD_ACT_GET) {
 366                 cmd->params.subscribe_event.events = 0;
 367         } else {
 368                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 369                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 370                 cmd->params.subscribe_event.events = events->events;
 371                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 372         }
 373
 374         lbs_deb_leave(LBS_DEB_CMD);
 375 }
 376
 377 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 378                             struct enc_key * pkey)
 379 {
 380         lbs_deb_enter(LBS_DEB_CMD);
 381
 382         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 383                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 384         }
 385         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 386                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 387         }
 388         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 389                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 390         }
 391
 392         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 393         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 394         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 395         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 396         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 397                                                 + sizeof(pkeyparamset->keyinfo)
 398                                                 + sizeof(pkeyparamset->keylen)
 399                                                 + sizeof(pkeyparamset->key));
 400         lbs_deb_leave(LBS_DEB_CMD);
 401 }
 402
 403 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 404                                         struct cmd_ds_command *cmd,
 405                                         u16 cmd_action,
 406                                         u32 cmd_oid, void *pdata_buf)
 407 {
 408         struct cmd_ds_802_11_key_material *pkeymaterial =
 409             &cmd->params.keymaterial;
 410         struct assoc_request * assoc_req = pdata_buf;
 411         int ret = 0;
 412         int index = 0;
 413
 414         lbs_deb_enter(LBS_DEB_CMD);
 415
 416         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 417         pkeymaterial->action = cpu_to_le16(cmd_action);
 418
 419         if (cmd_action == CMD_ACT_GET) {
 420                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 421                 ret = 0;
 422                 goto done;
 423         }
 424
 425         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 426
 427         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 428                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 429                                 &assoc_req->wpa_unicast_key);
 430                 index++;
 431         }
 432
 433         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 434                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 435                                 &assoc_req->wpa_mcast_key);
 436                 index++;
 437         }
 438
 439         cmd->size = cpu_to_le16(  S_DS_GEN
 440                                 + sizeof (pkeymaterial->action)
 441                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 442
 443         ret = 0;
 444
 445 done:
 446         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 447         return ret;
 448 }
 449
 450 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 451                                  struct cmd_ds_command *cmd, int cmd_action)
 452 {
 453         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 454
 455         lbs_deb_enter(LBS_DEB_CMD);
 456
 457         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 458         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 459         reset->action = cpu_to_le16(cmd_action);
 460
 461         lbs_deb_leave(LBS_DEB_CMD);
 462         return 0;
 463 }
 464
 465 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 466                                    struct cmd_ds_command *cmd)
 467 {
 468         lbs_deb_enter(LBS_DEB_CMD);
 469         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 470         cmd->size =
 471                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 472
 473         lbs_deb_leave(LBS_DEB_CMD);
 474         return 0;
 475 }
 476
 477 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 478                                     struct cmd_ds_command *cmd)
 479 {
 480         lbs_deb_enter(LBS_DEB_CMD);
 481         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 482         cmd->size =
 483             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 484
 485         lbs_deb_leave(LBS_DEB_CMD);
 486         return 0;
 487 }
 488
 489 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 490                                     struct cmd_ds_command *cmd,
 491                                     int cmd_action,
 492                                     int cmd_oid, void *pdata_buf)
 493 {
 494         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 495         u8 ucTemp;
 496
 497         lbs_deb_enter(LBS_DEB_CMD);
 498
 499         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 500
 501         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 502         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 503
 504         switch (cmd_oid) {
 505         case OID_802_11_INFRASTRUCTURE_MODE:
 506         {
 507                 u8 mode = (u8) (size_t) pdata_buf;
 508                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 509                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 510                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 511                 if (mode == IW_MODE_ADHOC) {
 512                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 513                 } else {
 514                         /* Infra and Auto modes */
 515                         ucTemp = SNMP_MIB_VALUE_INFRA;
 516                 }
 517
 518                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 519
 520                 break;
 521         }
 522
 523         case OID_802_11D_ENABLE:
 524                 {
 525                         u32 ulTemp;
 526
 527                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 528
 529                         if (cmd_action == CMD_ACT_SET) {
 530                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 531                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 532                                 ulTemp = *(u32 *)pdata_buf;
 533                                 *((__le16 *)(pSNMPMIB->value)) =
 534                                     cpu_to_le16((u16) ulTemp);
 535                         }
 536                         break;
 537                 }
 538
 539         case OID_802_11_FRAGMENTATION_THRESHOLD:
 540                 {
 541                         u32 ulTemp;
 542
 543                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 544
 545                         if (cmd_action == CMD_ACT_GET) {
 546                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 547                         } else if (cmd_action == CMD_ACT_SET) {
 548                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 549                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 550                                 ulTemp = *((u32 *) pdata_buf);
 551                                 *((__le16 *)(pSNMPMIB->value)) =
 552                                     cpu_to_le16((u16) ulTemp);
 553
 554                         }
 555
 556                         break;
 557                 }
 558
 559         case OID_802_11_RTS_THRESHOLD:
 560                 {
 561
 562                         u32 ulTemp;
 563                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 564
 565                         if (cmd_action == CMD_ACT_GET) {
 566                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 567                         } else if (cmd_action == CMD_ACT_SET) {
 568                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 569                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 570                                 ulTemp = *((u32 *)pdata_buf);
 571                                 *(__le16 *)(pSNMPMIB->value) =
 572                                     cpu_to_le16((u16) ulTemp);
 573
 574                         }
 575                         break;
 576                 }
 577         case OID_802_11_TX_RETRYCOUNT:
 578                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 579
 580                 if (cmd_action == CMD_ACT_GET) {
 581                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 582                 } else if (cmd_action == CMD_ACT_SET) {
 583                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 584                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 585                         *((__le16 *)(pSNMPMIB->value)) =
 586                             cpu_to_le16((u16) priv->txretrycount);
 587                 }
 588
 589                 break;
 590         default:
 591                 break;
 592         }
 593
 594         lbs_deb_cmd(
 595                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 596                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 597                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 598
 599         lbs_deb_cmd(
 600                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 601                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 602                le16_to_cpu(pSNMPMIB->bufsize),
 603                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 604
 605         lbs_deb_leave(LBS_DEB_CMD);
 606         return 0;
 607 }
 608
 609 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 610                                        struct cmd_ds_command *cmd,
 611                                        u16 cmd_action, void *pdata_buf)
 612 {
 613
 614         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 615
 616         lbs_deb_enter(LBS_DEB_CMD);
 617
 618         cmd->size =
 619             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 620         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 621         prtp->action = cpu_to_le16(cmd_action);
 622
 623         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 624                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 625                     le16_to_cpu(prtp->action));
 626
 627         switch (cmd_action) {
 628         case CMD_ACT_TX_POWER_OPT_GET:
 629                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 630                 prtp->currentlevel = 0;
 631                 break;
 632
 633         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 634                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 635                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 636                 break;
 637
 638         case CMD_ACT_TX_POWER_OPT_SET_MID:
 639                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 640                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 641                 break;
 642
 643         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 644                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 645                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 646                 break;
 647         }
 648
 649         lbs_deb_leave(LBS_DEB_CMD);
 650         return 0;
 651 }
 652
 653 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 654                                       struct cmd_ds_command *cmd,
 655                                       u16 cmd_action, void *pdata_buf)
 656 {
 657         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 658
 659         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 660         cmd->size =
 661             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 662                              S_DS_GEN);
 663
 664         monitor->action = cpu_to_le16(cmd_action);
 665         if (cmd_action == CMD_ACT_SET) {
 666                 monitor->mode =
 667                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 668         }
 669
 670         return 0;
 671 }
 672
 673 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 674                                               struct cmd_ds_command *cmd,
 675                                               u16 cmd_action)
 676 {
 677         struct cmd_ds_802_11_rate_adapt_rateset
 678         *rateadapt = &cmd->params.rateset;
 679
 680         lbs_deb_enter(LBS_DEB_CMD);
 681         cmd->size =
 682             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 683                              + S_DS_GEN);
 684         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 685
 686         rateadapt->action = cpu_to_le16(cmd_action);
 687         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 688         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 689
 690         lbs_deb_leave(LBS_DEB_CMD);
 691         return 0;
 692 }
 693
 694 /**
 695  *  @brief Get the current data rate
 696  *
 697  *  @param priv         A pointer to struct lbs_private structure
 698  *
 699  *  @return             The data rate on success, error on failure
 700  */
 701 int lbs_get_data_rate(struct lbs_private *priv)
 702 {
 703         struct cmd_ds_802_11_data_rate cmd;
 704         int ret = -1;
 705
 706         lbs_deb_enter(LBS_DEB_CMD);
 707
 708         memset(&cmd, 0, sizeof(cmd));
 709         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 710         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 711
 712         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 713         if (ret)
 714                 goto out;
 715
 716         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 717
 718         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 719         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 720
 721 out:
 722         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 723         return ret;
 724 }
 725
 726 /**
 727  *  @brief Set the data rate
 728  *
 729  *  @param priv         A pointer to struct lbs_private structure
 730  *  @param rate         The desired data rate, or 0 to clear a locked rate
 731  *
 732  *  @return             0 on success, error on failure
 733  */
 734 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 735 {
 736         struct cmd_ds_802_11_data_rate cmd;
 737         int ret = 0;
 738
 739         lbs_deb_enter(LBS_DEB_CMD);
 740
 741         memset(&cmd, 0, sizeof(cmd));
 742         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 743
 744         if (rate > 0) {
 745                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 746                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 747                 if (cmd.rates[0] == 0) {
 748                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 749                                     " 0x%02X\n", rate);
 750                         ret = 0;
 751                         goto out;
 752                 }
 753                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 754         } else {
 755                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 756                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 757         }
 758
 759         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 760         if (ret)
 761                 goto out;
 762
 763         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 764
 765         /* FIXME: get actual rates FW can do if this command actually returns
 766          * all data rates supported.
 767          */
 768         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 769         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 770
 771 out:
 772         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 773         return ret;
 774 }
 775
 776 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 777                                       struct cmd_ds_command *cmd,
 778                                       u16 cmd_action)
 779 {
 780         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 781
 782         lbs_deb_enter(LBS_DEB_CMD);
 783         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 784                              S_DS_GEN);
 785         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 786
 787         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 788         pMCastAdr->action = cpu_to_le16(cmd_action);
 789         pMCastAdr->nr_of_adrs =
 790             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 791         memcpy(pMCastAdr->maclist, priv->multicastlist,
 792                priv->nr_of_multicastmacaddr * ETH_ALEN);
 793
 794         lbs_deb_leave(LBS_DEB_CMD);
 795         return 0;
 796 }
 797
 798 /**
 799  *  @brief Get the radio channel
 800  *
 801  *  @param priv         A pointer to struct lbs_private structure
 802  *
 803  *  @return             The channel on success, error on failure
 804  */
 805 int lbs_get_channel(struct lbs_private *priv)
 806 {
 807         struct cmd_ds_802_11_rf_channel cmd;
 808         int ret = 0;
 809
 810         lbs_deb_enter(LBS_DEB_CMD);
 811
 812         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 813         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 814
 815         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 816         if (ret)
 817                 goto out;
 818
 819         ret = le16_to_cpu(cmd.channel);
 820         lbs_deb_cmd("current radio channel is %d\n", ret);
 821
 822 out:
 823         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 824         return ret;
 825 }
 826
 827 /**
 828  *  @brief Set the radio channel
 829  *
 830  *  @param priv         A pointer to struct lbs_private structure
 831  *  @param channel      The desired channel, or 0 to clear a locked channel
 832  *
 833  *  @return             0 on success, error on failure
 834  */
 835 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 836 {
 837         struct cmd_ds_802_11_rf_channel cmd;
 838         u8 old_channel = priv->curbssparams.channel;
 839         int ret = 0;
 840
 841         lbs_deb_enter(LBS_DEB_CMD);
 842
 843         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 844         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 845         cmd.channel = cpu_to_le16(channel);
 846
 847         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 848         if (ret)
 849                 goto out;
 850
 851         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 852         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 853                 priv->curbssparams.channel);
 854
 855 out:
 856         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 857         return ret;
 858 }
 859
 860 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 861                                 struct cmd_ds_command *cmd)
 862 {
 863
 864         lbs_deb_enter(LBS_DEB_CMD);
 865         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 866         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 867         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 868
 869         /* reset Beacon SNR/NF/RSSI values */
 870         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 871         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 872         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 873         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 874         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 875         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 876
 877         lbs_deb_leave(LBS_DEB_CMD);
 878         return 0;
 879 }
 880
 881 static int lbs_cmd_reg_access(struct lbs_private *priv,
 882                                struct cmd_ds_command *cmdptr,
 883                                u8 cmd_action, void *pdata_buf)
 884 {
 885         struct lbs_offset_value *offval;
 886
 887         lbs_deb_enter(LBS_DEB_CMD);
 888
 889         offval = (struct lbs_offset_value *)pdata_buf;
 890
 891         switch (le16_to_cpu(cmdptr->command)) {
 892         case CMD_MAC_REG_ACCESS:
 893                 {
 894                         struct cmd_ds_mac_reg_access *macreg;
 895
 896                         cmdptr->size =
 897                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 898                                         + S_DS_GEN);
 899                         macreg =
 900                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 901                             macreg;
 902
 903                         macreg->action = cpu_to_le16(cmd_action);
 904                         macreg->offset = cpu_to_le16((u16) offval->offset);
 905                         macreg->value = cpu_to_le32(offval->value);
 906
 907                         break;
 908                 }
 909
 910         case CMD_BBP_REG_ACCESS:
 911                 {
 912                         struct cmd_ds_bbp_reg_access *bbpreg;
 913
 914                         cmdptr->size =
 915                             cpu_to_le16(sizeof
 916                                              (struct cmd_ds_bbp_reg_access)
 917                                              + S_DS_GEN);
 918                         bbpreg =
 919                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 920                             bbpreg;
 921
 922                         bbpreg->action = cpu_to_le16(cmd_action);
 923                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 924                         bbpreg->value = (u8) offval->value;
 925
 926                         break;
 927                 }
 928
 929         case CMD_RF_REG_ACCESS:
 930                 {
 931                         struct cmd_ds_rf_reg_access *rfreg;
 932
 933                         cmdptr->size =
 934                             cpu_to_le16(sizeof
 935                                              (struct cmd_ds_rf_reg_access) +
 936                                              S_DS_GEN);
 937                         rfreg =
 938                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 939                             rfreg;
 940
 941                         rfreg->action = cpu_to_le16(cmd_action);
 942                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 943                         rfreg->value = (u8) offval->value;
 944
 945                         break;
 946                 }
 947
 948         default:
 949                 break;
 950         }
 951
 952         lbs_deb_leave(LBS_DEB_CMD);
 953         return 0;
 954 }
 955
 956 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 957                                        struct cmd_ds_command *cmd,
 958                                        u16 cmd_action)
 959 {
 960
 961         lbs_deb_enter(LBS_DEB_CMD);
 962         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 963         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 964                              S_DS_GEN);
 965         cmd->result = 0;
 966
 967         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 968
 969         if (cmd_action == CMD_ACT_SET) {
 970                 memcpy(cmd->params.macadd.macadd,
 971                        priv->current_addr, ETH_ALEN);
 972                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 973         }
 974
 975         lbs_deb_leave(LBS_DEB_CMD);
 976         return 0;
 977 }
 978
 979 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 980                                          struct cmd_ds_command *cmd,
 981                                          int cmd_action, void *pdata_buf)
 982 {
 983         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 984
 985         lbs_deb_enter(LBS_DEB_CMD);
 986
 987         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 988         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 989                                 S_DS_GEN);
 990         cmd->result = 0;
 991
 992         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 993         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 994         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 995         cmd->params.rdeeprom.value = 0;
 996
 997         lbs_deb_leave(LBS_DEB_CMD);
 998         return 0;
 999 }
1000
1001 static int lbs_cmd_bt_access(struct lbs_private *priv,
1002                                struct cmd_ds_command *cmd,
1003                                u16 cmd_action, void *pdata_buf)
1004 {
1005         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1006         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1007
1008         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1009         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1010         cmd->result = 0;
1011         bt_access->action = cpu_to_le16(cmd_action);
1012
1013         switch (cmd_action) {
1014         case CMD_ACT_BT_ACCESS_ADD:
1015                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1016                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1017                 break;
1018         case CMD_ACT_BT_ACCESS_DEL:
1019                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1020                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1021                 break;
1022         case CMD_ACT_BT_ACCESS_LIST:
1023                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1024                 break;
1025         case CMD_ACT_BT_ACCESS_RESET:
1026                 break;
1027         case CMD_ACT_BT_ACCESS_SET_INVERT:
1028                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1029                 break;
1030         case CMD_ACT_BT_ACCESS_GET_INVERT:
1031                 break;
1032         default:
1033                 break;
1034         }
1035         lbs_deb_leave(LBS_DEB_CMD);
1036         return 0;
1037 }
1038
1039 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1040                                struct cmd_ds_command *cmd,
1041                                u16 cmd_action, void *pdata_buf)
1042 {
1043         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1044         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1045
1046         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1047         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1048         cmd->result = 0;
1049
1050         if (pdata_buf)
1051                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1052         else
1053                 memset(fwt_access, 0, sizeof(*fwt_access));
1054
1055         fwt_access->action = cpu_to_le16(cmd_action);
1056
1057         lbs_deb_leave(LBS_DEB_CMD);
1058         return 0;
1059 }
1060
1061 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1062                     struct cmd_ds_mesh_access *cmd)
1063 {
1064         int ret;
1065
1066         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1067
1068         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1069         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1070         cmd->hdr.result = 0;
1071
1072         cmd->action = cpu_to_le16(cmd_action);
1073
1074         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1075
1076         lbs_deb_leave(LBS_DEB_CMD);
1077         return ret;
1078 }
1079 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1080
1081 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1082 {
1083         struct cmd_ds_mesh_config cmd;
1084
1085         memset(&cmd, 0, sizeof(cmd));
1086         cmd.action = cpu_to_le16(enable);
1087         cmd.channel = cpu_to_le16(chan);
1088         cmd.type = cpu_to_le16(priv->mesh_tlv);
1089         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1090
1091         if (enable) {
1092                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1093                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1094         }
1095         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1096                     enable, priv->mesh_tlv, chan,
1097                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1098         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1099 }
1100
1101 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1102                                 struct cmd_ds_command *cmd,
1103                                 u16 cmd_action)
1104 {
1105         struct cmd_ds_802_11_beacon_control
1106                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1107
1108         lbs_deb_enter(LBS_DEB_CMD);
1109         cmd->size =
1110             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1111                              + S_DS_GEN);
1112         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1113
1114         bcn_ctrl->action = cpu_to_le16(cmd_action);
1115         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1116         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1117
1118         lbs_deb_leave(LBS_DEB_CMD);
1119         return 0;
1120 }
1121
1122 static void lbs_queue_cmd(struct lbs_private *priv,
1123                           struct cmd_ctrl_node *cmdnode)
1124 {
1125         unsigned long flags;
1126         int addtail = 1;
1127
1128         lbs_deb_enter(LBS_DEB_HOST);
1129
1130         if (!cmdnode) {
1131                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1132                 goto done;
1133         }
1134         if (!cmdnode->cmdbuf->size) {
1135                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1136                 goto done;
1137         }
1138         cmdnode->result = 0;
1139
1140         /* Exit_PS command needs to be queued in the header always. */
1141         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1142                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1143
1144                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1145                         if (priv->psstate != PS_STATE_FULL_POWER)
1146                                 addtail = 0;
1147                 }
1148         }
1149
1150         spin_lock_irqsave(&priv->driver_lock, flags);
1151
1152         if (addtail)
1153                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1154         else
1155                 list_add(&cmdnode->list, &priv->cmdpendingq);
1156
1157         spin_unlock_irqrestore(&priv->driver_lock, flags);
1158
1159         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1160                      le16_to_cpu(cmdnode->cmdbuf->command));
1161
1162 done:
1163         lbs_deb_leave(LBS_DEB_HOST);
1164 }
1165
1166 static void lbs_submit_command(struct lbs_private *priv,
1167                                struct cmd_ctrl_node *cmdnode)
1168 {
1169         unsigned long flags;
1170         struct cmd_header *cmd;
1171         uint16_t cmdsize;
1172         uint16_t command;
1173         int timeo = 5 * HZ;
1174         int ret;
1175
1176         lbs_deb_enter(LBS_DEB_HOST);
1177
1178         cmd = cmdnode->cmdbuf;
1179
1180         spin_lock_irqsave(&priv->driver_lock, flags);
1181         priv->cur_cmd = cmdnode;
1182         priv->cur_cmd_retcode = 0;
1183         spin_unlock_irqrestore(&priv->driver_lock, flags);
1184
1185         cmdsize = le16_to_cpu(cmd->size);
1186         command = le16_to_cpu(cmd->command);
1187
1188         /* These commands take longer */
1189         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1190             command == CMD_802_11_AUTHENTICATE)
1191                 timeo = 10 * HZ;
1192
1193         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1194                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1195         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1196
1197         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1198
1199         if (ret) {
1200                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1201                 /* Let the timer kick in and retry, and potentially reset
1202                    the whole thing if the condition persists */
1203                 timeo = HZ;
1204         } else
1205                 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1206                             command, jiffies);
1207
1208         /* Setup the timer after transmit command */
1209         mod_timer(&priv->command_timer, jiffies + timeo);
1210
1211         lbs_deb_leave(LBS_DEB_HOST);
1212 }
1213
1214 static int lbs_cmd_mac_control(struct lbs_private *priv,
1215                                 struct cmd_ds_command *cmd)
1216 {
1217         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1218
1219         lbs_deb_enter(LBS_DEB_CMD);
1220
1221         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1222         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1223         mac->action = cpu_to_le16(priv->currentpacketfilter);
1224
1225         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1226                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1227
1228         lbs_deb_leave(LBS_DEB_CMD);
1229         return 0;
1230 }
1231
1232 /**
1233  *  This function inserts command node to cmdfreeq
1234  *  after cleans it. Requires priv->driver_lock held.
1235  */
1236 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1237                                          struct cmd_ctrl_node *cmdnode)
1238 {
1239         lbs_deb_enter(LBS_DEB_HOST);
1240
1241         if (!cmdnode)
1242                 goto out;
1243
1244         cmdnode->callback = NULL;
1245         cmdnode->callback_arg = 0;
1246
1247         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1248
1249         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1250  out:
1251         lbs_deb_leave(LBS_DEB_HOST);
1252 }
1253
1254 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1255         struct cmd_ctrl_node *ptempcmd)
1256 {
1257         unsigned long flags;
1258
1259         spin_lock_irqsave(&priv->driver_lock, flags);
1260         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1261         spin_unlock_irqrestore(&priv->driver_lock, flags);
1262 }
1263
1264 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1265                           int result)
1266 {
1267         if (cmd == priv->cur_cmd)
1268                 priv->cur_cmd_retcode = result;
1269
1270         cmd->result = result;
1271         cmd->cmdwaitqwoken = 1;
1272         wake_up_interruptible(&cmd->cmdwait_q);
1273
1274         if (!cmd->callback)
1275                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1276         priv->cur_cmd = NULL;
1277 }
1278
1279 int lbs_set_radio_control(struct lbs_private *priv)
1280 {
1281         int ret = 0;
1282         struct cmd_ds_802_11_radio_control cmd;
1283
1284         lbs_deb_enter(LBS_DEB_CMD);
1285
1286         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1287         cmd.action = cpu_to_le16(CMD_ACT_SET);
1288
1289         switch (priv->preamble) {
1290         case CMD_TYPE_SHORT_PREAMBLE:
1291                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1292                 break;
1293
1294         case CMD_TYPE_LONG_PREAMBLE:
1295                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1296                 break;
1297
1298         case CMD_TYPE_AUTO_PREAMBLE:
1299         default:
1300                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1301                 break;
1302         }
1303
1304         if (priv->radioon)
1305                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1306         else
1307                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1308
1309         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1310                     priv->preamble);
1311
1312         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1313
1314         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1315         return ret;
1316 }
1317
1318 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1319 {
1320         int ret = 0;
1321
1322         lbs_deb_enter(LBS_DEB_CMD);
1323
1324         /* Send MAC control command to station */
1325         ret = lbs_prepare_and_send_command(priv,
1326                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1327
1328         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1329         return ret;
1330 }
1331
1332 /**
1333  *  @brief This function prepare the command before send to firmware.
1334  *
1335  *  @param priv         A pointer to struct lbs_private structure
1336  *  @param cmd_no       command number
1337  *  @param cmd_action   command action: GET or SET
1338  *  @param wait_option  wait option: wait response or not
1339  *  @param cmd_oid      cmd oid: treated as sub command
1340  *  @param pdata_buf    A pointer to informaion buffer
1341  *  @return             0 or -1
1342  */
1343 int lbs_prepare_and_send_command(struct lbs_private *priv,
1344                           u16 cmd_no,
1345                           u16 cmd_action,
1346                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1347 {
1348         int ret = 0;
1349         struct cmd_ctrl_node *cmdnode;
1350         struct cmd_ds_command *cmdptr;
1351         unsigned long flags;
1352
1353         lbs_deb_enter(LBS_DEB_HOST);
1354
1355         if (!priv) {
1356                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1357                 ret = -1;
1358                 goto done;
1359         }
1360
1361         if (priv->surpriseremoved) {
1362                 lbs_deb_host("PREP_CMD: card removed\n");
1363                 ret = -1;
1364                 goto done;
1365         }
1366
1367         cmdnode = lbs_get_cmd_ctrl_node(priv);
1368
1369         if (cmdnode == NULL) {
1370                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1371
1372                 /* Wake up main thread to execute next command */
1373                 wake_up_interruptible(&priv->waitq);
1374                 ret = -1;
1375                 goto done;
1376         }
1377
1378         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1379
1380         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1381
1382         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1383
1384         /* Set sequence number, command and INT option */
1385         priv->seqnum++;
1386         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1387
1388         cmdptr->command = cpu_to_le16(cmd_no);
1389         cmdptr->result = 0;
1390
1391         switch (cmd_no) {
1392         case CMD_802_11_PS_MODE:
1393                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1394                 break;
1395
1396         case CMD_802_11_SCAN:
1397                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1398                 break;
1399
1400         case CMD_MAC_CONTROL:
1401                 ret = lbs_cmd_mac_control(priv, cmdptr);
1402                 break;
1403
1404         case CMD_802_11_ASSOCIATE:
1405         case CMD_802_11_REASSOCIATE:
1406                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1407                 break;
1408
1409         case CMD_802_11_DEAUTHENTICATE:
1410                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1411                 break;
1412
1413         case CMD_802_11_SET_WEP:
1414                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1415                 break;
1416
1417         case CMD_802_11_AD_HOC_START:
1418                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1419                 break;
1420         case CMD_CODE_DNLD:
1421                 break;
1422
1423         case CMD_802_11_RESET:
1424                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1425                 break;
1426
1427         case CMD_802_11_GET_LOG:
1428                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1429                 break;
1430
1431         case CMD_802_11_AUTHENTICATE:
1432                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1433                 break;
1434
1435         case CMD_802_11_GET_STAT:
1436                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1437                 break;
1438
1439         case CMD_802_11_SNMP_MIB:
1440                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1441                                                cmd_action, cmd_oid, pdata_buf);
1442                 break;
1443
1444         case CMD_MAC_REG_ACCESS:
1445         case CMD_BBP_REG_ACCESS:
1446         case CMD_RF_REG_ACCESS:
1447                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1448                 break;
1449
1450         case CMD_802_11_RF_TX_POWER:
1451                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1452                                                   cmd_action, pdata_buf);
1453                 break;
1454
1455         case CMD_802_11_RATE_ADAPT_RATESET:
1456                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1457                                                          cmdptr, cmd_action);
1458                 break;
1459
1460         case CMD_MAC_MULTICAST_ADR:
1461                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1462                 break;
1463
1464         case CMD_802_11_MONITOR_MODE:
1465                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1466                                           cmd_action, pdata_buf);
1467                 break;
1468
1469         case CMD_802_11_AD_HOC_JOIN:
1470                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1471                 break;
1472
1473         case CMD_802_11_RSSI:
1474                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1475                 break;
1476
1477         case CMD_802_11_AD_HOC_STOP:
1478                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1479                 break;
1480
1481         case CMD_802_11_ENABLE_RSN:
1482                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1483                                 pdata_buf);
1484                 break;
1485
1486         case CMD_802_11_KEY_MATERIAL:
1487                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1488                                 cmd_oid, pdata_buf);
1489                 break;
1490
1491         case CMD_802_11_PAIRWISE_TSC:
1492                 break;
1493         case CMD_802_11_GROUP_TSC:
1494                 break;
1495
1496         case CMD_802_11_MAC_ADDRESS:
1497                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1498                 break;
1499
1500         case CMD_802_11_EEPROM_ACCESS:
1501                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1502                                                     cmd_action, pdata_buf);
1503                 break;
1504
1505         case CMD_802_11_SET_AFC:
1506         case CMD_802_11_GET_AFC:
1507
1508                 cmdptr->command = cpu_to_le16(cmd_no);
1509                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1510                                            S_DS_GEN);
1511
1512                 memmove(&cmdptr->params.afc,
1513                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1514
1515                 ret = 0;
1516                 goto done;
1517
1518         case CMD_802_11D_DOMAIN_INFO:
1519                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1520                                                    cmd_no, cmd_action);
1521                 break;
1522
1523         case CMD_802_11_SLEEP_PARAMS:
1524                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1525                 break;
1526
1527         case CMD_802_11_TPC_CFG:
1528                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1529                 cmdptr->size =
1530                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1531                                      S_DS_GEN);
1532
1533                 memmove(&cmdptr->params.tpccfg,
1534                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1535
1536                 ret = 0;
1537                 break;
1538         case CMD_802_11_LED_GPIO_CTRL:
1539                 {
1540                         struct mrvlietypes_ledgpio *gpio =
1541                             (struct mrvlietypes_ledgpio*)
1542                             cmdptr->params.ledgpio.data;
1543
1544                         memmove(&cmdptr->params.ledgpio,
1545                                 pdata_buf,
1546                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1547
1548                         cmdptr->command =
1549                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1550
1551 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1552                         cmdptr->size =
1553                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1554                                 + S_DS_GEN
1555                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1556                         gpio->header.len = gpio->header.len;
1557
1558                         ret = 0;
1559                         break;
1560                 }
1561         case CMD_802_11_SUBSCRIBE_EVENT:
1562                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1563                         cmd_action, pdata_buf);
1564                 break;
1565         case CMD_802_11_PWR_CFG:
1566                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1567                 cmdptr->size =
1568                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1569                                      S_DS_GEN);
1570                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1571                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1572
1573                 ret = 0;
1574                 break;
1575         case CMD_BT_ACCESS:
1576                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1577                 break;
1578
1579         case CMD_FWT_ACCESS:
1580                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1581                 break;
1582
1583         case CMD_GET_TSF:
1584                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1585                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1586                                            S_DS_GEN);
1587                 ret = 0;
1588                 break;
1589         case CMD_802_11_BEACON_CTRL:
1590                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1591                 break;
1592         default:
1593                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1594                 ret = -1;
1595                 break;
1596         }
1597
1598         /* return error, since the command preparation failed */
1599         if (ret != 0) {
1600                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1601                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1602                 ret = -1;
1603                 goto done;
1604         }
1605
1606         cmdnode->cmdwaitqwoken = 0;
1607
1608         lbs_queue_cmd(priv, cmdnode);
1609         wake_up_interruptible(&priv->waitq);
1610
1611         if (wait_option & CMD_OPTION_WAITFORRSP) {
1612                 lbs_deb_host("PREP_CMD: wait for response\n");
1613                 might_sleep();
1614                 wait_event_interruptible(cmdnode->cmdwait_q,
1615                                          cmdnode->cmdwaitqwoken);
1616         }
1617
1618         spin_lock_irqsave(&priv->driver_lock, flags);
1619         if (priv->cur_cmd_retcode) {
1620                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1621                        priv->cur_cmd_retcode);
1622                 priv->cur_cmd_retcode = 0;
1623                 ret = -1;
1624         }
1625         spin_unlock_irqrestore(&priv->driver_lock, flags);
1626
1627 done:
1628         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1629         return ret;
1630 }
1631 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1632
1633 /**
1634  *  @brief This function allocates the command buffer and link
1635  *  it to command free queue.
1636  *
1637  *  @param priv         A pointer to struct lbs_private structure
1638  *  @return             0 or -1
1639  */
1640 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1641 {
1642         int ret = 0;
1643         u32 bufsize;
1644         u32 i;
1645         struct cmd_ctrl_node *cmdarray;
1646
1647         lbs_deb_enter(LBS_DEB_HOST);
1648
1649         /* Allocate and initialize the command array */
1650         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1651         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1652                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1653                 ret = -1;
1654                 goto done;
1655         }
1656         priv->cmd_array = cmdarray;
1657
1658         /* Allocate and initialize each command buffer in the command array */
1659         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1660                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1661                 if (!cmdarray[i].cmdbuf) {
1662                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1663                         ret = -1;
1664                         goto done;
1665                 }
1666         }
1667
1668         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1669                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1670                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1671         }
1672         ret = 0;
1673
1674 done:
1675         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1676         return ret;
1677 }
1678
1679 /**
1680  *  @brief This function frees the command buffer.
1681  *
1682  *  @param priv         A pointer to struct lbs_private structure
1683  *  @return             0 or -1
1684  */
1685 int lbs_free_cmd_buffer(struct lbs_private *priv)
1686 {
1687         struct cmd_ctrl_node *cmdarray;
1688         unsigned int i;
1689
1690         lbs_deb_enter(LBS_DEB_HOST);
1691
1692         /* need to check if cmd array is allocated or not */
1693         if (priv->cmd_array == NULL) {
1694                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1695                 goto done;
1696         }
1697
1698         cmdarray = priv->cmd_array;
1699
1700         /* Release shared memory buffers */
1701         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1702                 if (cmdarray[i].cmdbuf) {
1703                         kfree(cmdarray[i].cmdbuf);
1704                         cmdarray[i].cmdbuf = NULL;
1705                 }
1706         }
1707
1708         /* Release cmd_ctrl_node */
1709         if (priv->cmd_array) {
1710                 kfree(priv->cmd_array);
1711                 priv->cmd_array = NULL;
1712         }
1713
1714 done:
1715         lbs_deb_leave(LBS_DEB_HOST);
1716         return 0;
1717 }
1718
1719 /**
1720  *  @brief This function gets a free command node if available in
1721  *  command free queue.
1722  *
1723  *  @param priv         A pointer to struct lbs_private structure
1724  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1725  */
1726 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1727 {
1728         struct cmd_ctrl_node *tempnode;
1729         unsigned long flags;
1730
1731         lbs_deb_enter(LBS_DEB_HOST);
1732
1733         if (!priv)
1734                 return NULL;
1735
1736         spin_lock_irqsave(&priv->driver_lock, flags);
1737
1738         if (!list_empty(&priv->cmdfreeq)) {
1739                 tempnode = list_first_entry(&priv->cmdfreeq,
1740                                             struct cmd_ctrl_node, list);
1741                 list_del(&tempnode->list);
1742         } else {
1743                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1744                 tempnode = NULL;
1745         }
1746
1747         spin_unlock_irqrestore(&priv->driver_lock, flags);
1748
1749         lbs_deb_leave(LBS_DEB_HOST);
1750         return tempnode;
1751 }
1752
1753 /**
1754  *  @brief This function cleans command node.
1755  *
1756  *  @param ptempnode    A pointer to cmdCtrlNode structure
1757  *  @return             n/a
1758  */
1759
1760 /**
1761  *  @brief This function initializes the command node.
1762  *
1763  *  @param priv         A pointer to struct lbs_private structure
1764  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1765  *  @param pdata_buf    A pointer to informaion buffer
1766  *  @return             0 or -1
1767  */
1768 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1769                                   struct cmd_ctrl_node *ptempnode,
1770                                   void *pdata_buf)
1771 {
1772         lbs_deb_enter(LBS_DEB_HOST);
1773
1774         if (!ptempnode)
1775                 return;
1776
1777         ptempnode->callback = NULL;
1778         ptempnode->callback_arg = (unsigned long)pdata_buf;
1779
1780         lbs_deb_leave(LBS_DEB_HOST);
1781 }
1782
1783 /**
1784  *  @brief This function executes next command in command
1785  *  pending queue. It will put fimware back to PS mode
1786  *  if applicable.
1787  *
1788  *  @param priv     A pointer to struct lbs_private structure
1789  *  @return        0 or -1
1790  */
1791 int lbs_execute_next_command(struct lbs_private *priv)
1792 {
1793         struct cmd_ctrl_node *cmdnode = NULL;
1794         struct cmd_header *cmd;
1795         unsigned long flags;
1796         int ret = 0;
1797
1798         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1799         // only caller to us is lbs_thread() and we get even when a
1800         // data packet is received
1801         lbs_deb_enter(LBS_DEB_THREAD);
1802
1803         spin_lock_irqsave(&priv->driver_lock, flags);
1804
1805         if (priv->cur_cmd) {
1806                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1807                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1808                 ret = -1;
1809                 goto done;
1810         }
1811
1812         if (!list_empty(&priv->cmdpendingq)) {
1813                 cmdnode = list_first_entry(&priv->cmdpendingq,
1814                                            struct cmd_ctrl_node, list);
1815         }
1816
1817         spin_unlock_irqrestore(&priv->driver_lock, flags);
1818
1819         if (cmdnode) {
1820                 cmd = cmdnode->cmdbuf;
1821
1822                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1823                         if ((priv->psstate == PS_STATE_SLEEP) ||
1824                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1825                                 lbs_deb_host(
1826                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1827                                        le16_to_cpu(cmd->command),
1828                                        priv->psstate);
1829                                 ret = -1;
1830                                 goto done;
1831                         }
1832                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1833                                      "0x%04x in psstate %d\n",
1834                                      le16_to_cpu(cmd->command), priv->psstate);
1835                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1836                         /*
1837                          * 1. Non-PS command:
1838                          * Queue it. set needtowakeup to TRUE if current state
1839                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1840                          * 2. PS command but not Exit_PS:
1841                          * Ignore it.
1842                          * 3. PS command Exit_PS:
1843                          * Set needtowakeup to TRUE if current state is SLEEP,
1844                          * otherwise send this command down to firmware
1845                          * immediately.
1846                          */
1847                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1848                                 /*  Prepare to send Exit PS,
1849                                  *  this non PS command will be sent later */
1850                                 if ((priv->psstate == PS_STATE_SLEEP)
1851                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1852                                     ) {
1853                                         /* w/ new scheme, it will not reach here.
1854                                            since it is blocked in main_thread. */
1855                                         priv->needtowakeup = 1;
1856                                 } else
1857                                         lbs_ps_wakeup(priv, 0);
1858
1859                                 ret = 0;
1860                                 goto done;
1861                         } else {
1862                                 /*
1863                                  * PS command. Ignore it if it is not Exit_PS.
1864                                  * otherwise send it down immediately.
1865                                  */
1866                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1867
1868                                 lbs_deb_host(
1869                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1870                                        psm->action);
1871                                 if (psm->action !=
1872                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1873                                         lbs_deb_host(
1874                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1875                                         list_del(&cmdnode->list);
1876                                         spin_lock_irqsave(&priv->driver_lock, flags);
1877                                         lbs_complete_command(priv, cmdnode, 0);
1878                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1879
1880                                         ret = 0;
1881                                         goto done;
1882                                 }
1883
1884                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1885                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1886                                         lbs_deb_host(
1887                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1888                                         list_del(&cmdnode->list);
1889                                         spin_lock_irqsave(&priv->driver_lock, flags);
1890                                         lbs_complete_command(priv, cmdnode, 0);
1891                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1892                                         priv->needtowakeup = 1;
1893
1894                                         ret = 0;
1895                                         goto done;
1896                                 }
1897
1898                                 lbs_deb_host(
1899                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1900                         }
1901                 }
1902                 list_del(&cmdnode->list);
1903                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1904                             le16_to_cpu(cmd->command));
1905                 lbs_submit_command(priv, cmdnode);
1906         } else {
1907                 /*
1908                  * check if in power save mode, if yes, put the device back
1909                  * to PS mode
1910                  */
1911                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1912                     (priv->psstate == PS_STATE_FULL_POWER) &&
1913                     ((priv->connect_status == LBS_CONNECTED) ||
1914                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1915                         if (priv->secinfo.WPAenabled ||
1916                             priv->secinfo.WPA2enabled) {
1917                                 /* check for valid WPA group keys */
1918                                 if (priv->wpa_mcast_key.len ||
1919                                     priv->wpa_unicast_key.len) {
1920                                         lbs_deb_host(
1921                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1922                                                " go back to PS_SLEEP");
1923                                         lbs_ps_sleep(priv, 0);
1924                                 }
1925                         } else {
1926                                 lbs_deb_host(
1927                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1928                                        "go back to PS_SLEEP");
1929                                 lbs_ps_sleep(priv, 0);
1930                         }
1931                 }
1932         }
1933
1934         ret = 0;
1935 done:
1936         lbs_deb_leave(LBS_DEB_THREAD);
1937         return ret;
1938 }
1939
1940 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1941 {
1942         union iwreq_data iwrq;
1943         u8 buf[50];
1944
1945         lbs_deb_enter(LBS_DEB_WEXT);
1946
1947         memset(&iwrq, 0, sizeof(union iwreq_data));
1948         memset(buf, 0, sizeof(buf));
1949
1950         snprintf(buf, sizeof(buf) - 1, "%s", str);
1951
1952         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1953
1954         /* Send Event to upper layer */
1955         lbs_deb_wext("event indication string %s\n", (char *)buf);
1956         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1957         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1958
1959         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1960
1961         lbs_deb_leave(LBS_DEB_WEXT);
1962 }
1963
1964 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1965 {
1966         unsigned long flags;
1967         int ret = 0;
1968
1969         lbs_deb_enter(LBS_DEB_HOST);
1970
1971         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1972                size);
1973
1974         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1975
1976         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1977
1978         spin_lock_irqsave(&priv->driver_lock, flags);
1979         if (priv->intcounter || priv->currenttxskb)
1980                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1981                        priv->intcounter, priv->currenttxskb);
1982         spin_unlock_irqrestore(&priv->driver_lock, flags);
1983
1984         if (ret) {
1985                 lbs_pr_alert(
1986                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1987         } else {
1988                 spin_lock_irqsave(&priv->driver_lock, flags);
1989                 if (!priv->intcounter) {
1990                         priv->psstate = PS_STATE_SLEEP;
1991                 } else {
1992                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1993                                priv->intcounter);
1994                 }
1995                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1996
1997                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1998         }
1999
2000         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2001         return ret;
2002 }
2003
2004 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2005 {
2006         lbs_deb_enter(LBS_DEB_HOST);
2007
2008         /*
2009          * PS is currently supported only in Infrastructure mode
2010          * Remove this check if it is to be supported in IBSS mode also
2011          */
2012
2013         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2014                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2015
2016         lbs_deb_leave(LBS_DEB_HOST);
2017 }
2018
2019 /**
2020  *  @brief This function sends Exit_PS command to firmware.
2021  *
2022  *  @param priv         A pointer to struct lbs_private structure
2023  *  @param wait_option  wait response or not
2024  *  @return             n/a
2025  */
2026 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2027 {
2028         __le32 Localpsmode;
2029
2030         lbs_deb_enter(LBS_DEB_HOST);
2031
2032         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2033
2034         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2035                               CMD_SUBCMD_EXIT_PS,
2036                               wait_option, 0, &Localpsmode);
2037
2038         lbs_deb_leave(LBS_DEB_HOST);
2039 }
2040
2041 /**
2042  *  @brief This function checks condition and prepares to
2043  *  send sleep confirm command to firmware if ok.
2044  *
2045  *  @param priv         A pointer to struct lbs_private structure
2046  *  @param psmode       Power Saving mode
2047  *  @return             n/a
2048  */
2049 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2050 {
2051         unsigned long flags =0;
2052         u8 allowed = 1;
2053
2054         lbs_deb_enter(LBS_DEB_HOST);
2055
2056         if (priv->dnld_sent) {
2057                 allowed = 0;
2058                 lbs_deb_host("dnld_sent was set\n");
2059         }
2060
2061         spin_lock_irqsave(&priv->driver_lock, flags);
2062         if (priv->cur_cmd) {
2063                 allowed = 0;
2064                 lbs_deb_host("cur_cmd was set\n");
2065         }
2066         if (priv->intcounter > 0) {
2067                 allowed = 0;
2068                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2069         }
2070         spin_unlock_irqrestore(&priv->driver_lock, flags);
2071
2072         if (allowed) {
2073                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2074                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2075                                  sizeof(struct PS_CMD_ConfirmSleep));
2076         } else {
2077                 lbs_deb_host("sleep confirm has been delayed\n");
2078         }
2079
2080         lbs_deb_leave(LBS_DEB_HOST);
2081 }
2082
2083
2084 /**
2085  *  @brief Simple callback that copies response back into command
2086  *
2087  *  @param priv         A pointer to struct lbs_private structure
2088  *  @param extra        A pointer to the original command structure for which
2089  *                      'resp' is a response
2090  *  @param resp         A pointer to the command response
2091  *
2092  *  @return             0 on success, error on failure
2093  */
2094 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2095                      struct cmd_header *resp)
2096 {
2097         struct cmd_header *buf = (void *)extra;
2098         uint16_t copy_len;
2099
2100         lbs_deb_enter(LBS_DEB_CMD);
2101
2102         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2103         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2104                     "copy back buffer was %u bytes\n", copy_len,
2105                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2106         memcpy(buf, resp, copy_len);
2107
2108         lbs_deb_leave(LBS_DEB_CMD);
2109         return 0;
2110 }
2111 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2112
2113 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2114                                       struct cmd_header *in_cmd, int in_cmd_size,
2115                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2116                                       unsigned long callback_arg)
2117 {
2118         struct cmd_ctrl_node *cmdnode;
2119
2120         lbs_deb_enter(LBS_DEB_HOST);
2121
2122         if (priv->surpriseremoved) {
2123                 lbs_deb_host("PREP_CMD: card removed\n");
2124                 cmdnode = ERR_PTR(-ENOENT);
2125                 goto done;
2126         }
2127
2128         cmdnode = lbs_get_cmd_ctrl_node(priv);
2129         if (cmdnode == NULL) {
2130                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2131
2132                 /* Wake up main thread to execute next command */
2133                 wake_up_interruptible(&priv->waitq);
2134                 cmdnode = ERR_PTR(-ENOBUFS);
2135                 goto done;
2136         }
2137
2138         cmdnode->callback = callback;
2139         cmdnode->callback_arg = callback_arg;
2140
2141         /* Copy the incoming command to the buffer */
2142         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2143
2144         /* Set sequence number, clean result, move to buffer */
2145         priv->seqnum++;
2146         cmdnode->cmdbuf->command = cpu_to_le16(command);
2147         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2148         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2149         cmdnode->cmdbuf->result  = 0;
2150
2151         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2152
2153         /* here was the big old switch() statement, which is now obsolete,
2154          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2155
2156         cmdnode->cmdwaitqwoken = 0;
2157         lbs_queue_cmd(priv, cmdnode);
2158         wake_up_interruptible(&priv->waitq);
2159
2160  done:
2161         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2162         return cmdnode;
2163 }
2164
2165 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2166               struct cmd_header *in_cmd, int in_cmd_size,
2167               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2168               unsigned long callback_arg)
2169 {
2170         struct cmd_ctrl_node *cmdnode;
2171         unsigned long flags;
2172         int ret = 0;
2173
2174         lbs_deb_enter(LBS_DEB_HOST);
2175
2176         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2177                                   callback, callback_arg);
2178         if (IS_ERR(cmdnode)) {
2179                 ret = PTR_ERR(cmdnode);
2180                 goto done;
2181         }
2182
2183         might_sleep();
2184         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2185
2186         spin_lock_irqsave(&priv->driver_lock, flags);
2187         ret = cmdnode->result;
2188         if (ret)
2189                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2190                             command, ret);
2191
2192         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2193         spin_unlock_irqrestore(&priv->driver_lock, flags);
2194
2195 done:
2196         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2197         return ret;
2198 }
2199 EXPORT_SYMBOL_GPL(__lbs_cmd);
2200
2201