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

   1 /**
   2   * This file contains the handling of command.
   3   * It prepares command and sends it to firmware when it is ready.
   4   */
   5
   6 #include <net/iw_handler.h>
   7 #include "host.h"
   8 #include "hostcmd.h"
   9 #include "decl.h"
  10 #include "defs.h"
  11 #include "dev.h"
  12 #include "join.h"
  13 #include "wext.h"
  14 #include "cmd.h"
  15
  16 static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
  17 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
  18 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
  19                     struct cmd_ctrl_node *ptempnode,
  20                     void *pdata_buf);
  21
  22
  23 /**
  24  *  @brief Checks whether a command is allowed in Power Save mode
  25  *
  26  *  @param command the command ID
  27  *  @return        1 if allowed, 0 if not allowed
  28  */
  29 static u8 is_command_allowed_in_ps(u16 cmd)
  30 {
  31         switch (cmd) {
  32         case CMD_802_11_RSSI:
  33                 return 1;
  34         default:
  35                 break;
  36         }
  37         return 0;
  38 }
  39
  40 /**
  41  *  @brief Updates the hardware details like MAC address and regulatory region
  42  *
  43  *  @param priv         A pointer to struct lbs_private structure
  44  *
  45  *  @return             0 on success, error on failure
  46  */
  47 int lbs_update_hw_spec(struct lbs_private *priv)
  48 {
  49         struct cmd_ds_get_hw_spec cmd;
  50         int ret = -1;
  51         u32 i;
  52         DECLARE_MAC_BUF(mac);
  53
  54         lbs_deb_enter(LBS_DEB_CMD);
  55
  56         memset(&cmd, 0, sizeof(cmd));
  57         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
  58         memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
  59         ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
  60         if (ret)
  61                 goto out;
  62
  63         priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
  64         memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
  65
  66         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
  67                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
  68                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
  69         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
  70                     print_mac(mac, cmd.permanentaddr));
  71         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  72                     cmd.hwifversion, cmd.version);
  73
  74         /* Clamp region code to 8-bit since FW spec indicates that it should
  75          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  76          * returns non-zero high 8 bits here.
  77          */
  78         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  79
  80         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  81                 /* use the region code to search for the index */
  82                 if (priv->regioncode == lbs_region_code_to_index[i])
  83                         break;
  84         }
  85
  86         /* if it's unidentified region code, use the default (USA) */
  87         if (i >= MRVDRV_MAX_REGION_CODE) {
  88                 priv->regioncode = 0x10;
  89                 lbs_pr_info("unidentified region code; using the default (USA)\n");
  90         }
  91
  92         if (priv->current_addr[0] == 0xff)
  93                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
  94
  95         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
  96         if (priv->mesh_dev)
  97                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
  98
  99         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 100                 ret = -1;
 101                 goto out;
 102         }
 103
 104         if (lbs_set_universaltable(priv, 0)) {
 105                 ret = -1;
 106                 goto out;
 107         }
 108
 109 out:
 110         lbs_deb_leave(LBS_DEB_CMD);
 111         return ret;
 112 }
 113
 114 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 115 {
 116         struct cmd_ds_host_sleep cmd_config;
 117         int ret;
 118
 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 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 175                                               struct cmd_ds_command *cmd,
 176                                               u16 cmd_action, void *pdata_buf)
 177 {
 178         u16 *timeout = pdata_buf;
 179
 180         lbs_deb_enter(LBS_DEB_CMD);
 181
 182         cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 183         cmd->size =
 184             cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
 185                              + S_DS_GEN);
 186
 187         cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
 188
 189         if (cmd_action)
 190                 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
 191         else
 192                 cmd->params.inactivity_timeout.timeout = 0;
 193
 194         lbs_deb_leave(LBS_DEB_CMD);
 195         return 0;
 196 }
 197
 198 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
 199                                         struct cmd_ds_command *cmd,
 200                                         u16 cmd_action)
 201 {
 202         struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
 203
 204         lbs_deb_enter(LBS_DEB_CMD);
 205
 206         cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
 207                                 S_DS_GEN);
 208         cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
 209
 210         if (cmd_action == CMD_ACT_GET) {
 211                 memset(&priv->sp, 0, sizeof(struct sleep_params));
 212                 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
 213                 sp->action = cpu_to_le16(cmd_action);
 214         } else if (cmd_action == CMD_ACT_SET) {
 215                 sp->action = cpu_to_le16(cmd_action);
 216                 sp->error = cpu_to_le16(priv->sp.sp_error);
 217                 sp->offset = cpu_to_le16(priv->sp.sp_offset);
 218                 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
 219                 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
 220                 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
 221                 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
 222         }
 223
 224         lbs_deb_leave(LBS_DEB_CMD);
 225         return 0;
 226 }
 227
 228 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
 229                                    struct cmd_ds_command *cmd,
 230                                    u32 cmd_act,
 231                                    void * pdata_buf)
 232 {
 233         struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
 234         int ret = 0;
 235         struct assoc_request * assoc_req = pdata_buf;
 236
 237         lbs_deb_enter(LBS_DEB_CMD);
 238
 239         cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
 240         cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
 241
 242         if (cmd_act == CMD_ACT_ADD) {
 243                 int i;
 244
 245                 if (!assoc_req) {
 246                         lbs_deb_cmd("Invalid association request!\n");
 247                         ret = -1;
 248                         goto done;
 249                 }
 250
 251                 wep->action = cpu_to_le16(CMD_ACT_ADD);
 252
 253                 /* default tx key index */
 254                 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
 255                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 256
 257                 /* Copy key types and material to host command structure */
 258                 for (i = 0; i < 4; i++) {
 259                         struct enc_key * pkey = &assoc_req->wep_keys[i];
 260
 261                         switch (pkey->len) {
 262                         case KEY_LEN_WEP_40:
 263                                 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
 264                                 memmove(&wep->keymaterial[i], pkey->key,
 265                                         pkey->len);
 266                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 267                                 break;
 268                         case KEY_LEN_WEP_104:
 269                                 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
 270                                 memmove(&wep->keymaterial[i], pkey->key,
 271                                         pkey->len);
 272                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 273                                 break;
 274                         case 0:
 275                                 break;
 276                         default:
 277                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 278                                        i, pkey->len);
 279                                 ret = -1;
 280                                 goto done;
 281                                 break;
 282                         }
 283                 }
 284         } else if (cmd_act == CMD_ACT_REMOVE) {
 285                 /* ACT_REMOVE clears _all_ WEP keys */
 286                 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
 287
 288                 /* default tx key index */
 289                 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
 290                                                   (u32)CMD_WEP_KEY_INDEX_MASK));
 291                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 292         }
 293
 294         ret = 0;
 295
 296 done:
 297         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 298         return ret;
 299 }
 300
 301 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
 302                                       struct cmd_ds_command *cmd,
 303                                       u16 cmd_action,
 304                                       void * pdata_buf)
 305 {
 306         struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
 307         u32 * enable = pdata_buf;
 308
 309         lbs_deb_enter(LBS_DEB_CMD);
 310
 311         cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
 312         cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
 313         penableRSN->action = cpu_to_le16(cmd_action);
 314
 315         if (cmd_action == CMD_ACT_SET) {
 316                 if (*enable)
 317                         penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
 318                 else
 319                         penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
 320                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 321         }
 322
 323         lbs_deb_leave(LBS_DEB_CMD);
 324         return 0;
 325 }
 326
 327
 328 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
 329 {
 330         ssize_t pos = 0;
 331         struct mrvlietypesheader *tlv_h;
 332         while (pos < size) {
 333                 u16 length;
 334                 tlv_h = (struct mrvlietypesheader *) tlv;
 335                 if (tlv_h->len == 0)
 336                         return pos;
 337                 length = le16_to_cpu(tlv_h->len) +
 338                         sizeof(struct mrvlietypesheader);
 339                 pos += length;
 340                 tlv += length;
 341         }
 342         return pos;
 343 }
 344
 345
 346 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
 347         struct cmd_ds_command *cmd, u16 cmd_action,
 348         void *pdata_buf)
 349 {
 350         struct cmd_ds_802_11_subscribe_event *events =
 351                 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
 352
 353         /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
 354          * for various Marvell TLVs */
 355
 356         lbs_deb_enter(LBS_DEB_CMD);
 357
 358         cmd->size = cpu_to_le16(sizeof(*events)
 359                         - sizeof(events->tlv)
 360                         + S_DS_GEN);
 361         cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
 362         if (cmd_action == CMD_ACT_GET) {
 363                 cmd->params.subscribe_event.events = 0;
 364         } else {
 365                 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
 366                 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
 367                 cmd->params.subscribe_event.events = events->events;
 368                 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
 369         }
 370
 371         lbs_deb_leave(LBS_DEB_CMD);
 372 }
 373
 374 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 375                             struct enc_key * pkey)
 376 {
 377         lbs_deb_enter(LBS_DEB_CMD);
 378
 379         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 380                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 381         }
 382         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 383                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 384         }
 385         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 386                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 387         }
 388
 389         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 390         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 391         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 392         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 393         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 394                                                 + sizeof(pkeyparamset->keyinfo)
 395                                                 + sizeof(pkeyparamset->keylen)
 396                                                 + sizeof(pkeyparamset->key));
 397         lbs_deb_leave(LBS_DEB_CMD);
 398 }
 399
 400 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 401                                         struct cmd_ds_command *cmd,
 402                                         u16 cmd_action,
 403                                         u32 cmd_oid, void *pdata_buf)
 404 {
 405         struct cmd_ds_802_11_key_material *pkeymaterial =
 406             &cmd->params.keymaterial;
 407         struct assoc_request * assoc_req = pdata_buf;
 408         int ret = 0;
 409         int index = 0;
 410
 411         lbs_deb_enter(LBS_DEB_CMD);
 412
 413         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 414         pkeymaterial->action = cpu_to_le16(cmd_action);
 415
 416         if (cmd_action == CMD_ACT_GET) {
 417                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 418                 ret = 0;
 419                 goto done;
 420         }
 421
 422         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 423
 424         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 425                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 426                                 &assoc_req->wpa_unicast_key);
 427                 index++;
 428         }
 429
 430         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 431                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 432                                 &assoc_req->wpa_mcast_key);
 433                 index++;
 434         }
 435
 436         cmd->size = cpu_to_le16(  S_DS_GEN
 437                                 + sizeof (pkeymaterial->action)
 438                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 439
 440         ret = 0;
 441
 442 done:
 443         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 444         return ret;
 445 }
 446
 447 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 448                                  struct cmd_ds_command *cmd, int cmd_action)
 449 {
 450         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 451
 452         lbs_deb_enter(LBS_DEB_CMD);
 453
 454         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 455         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 456         reset->action = cpu_to_le16(cmd_action);
 457
 458         lbs_deb_leave(LBS_DEB_CMD);
 459         return 0;
 460 }
 461
 462 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 463                                    struct cmd_ds_command *cmd)
 464 {
 465         lbs_deb_enter(LBS_DEB_CMD);
 466         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 467         cmd->size =
 468                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 469
 470         lbs_deb_leave(LBS_DEB_CMD);
 471         return 0;
 472 }
 473
 474 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 475                                     struct cmd_ds_command *cmd)
 476 {
 477         lbs_deb_enter(LBS_DEB_CMD);
 478         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 479         cmd->size =
 480             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 481
 482         lbs_deb_leave(LBS_DEB_CMD);
 483         return 0;
 484 }
 485
 486 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 487                                     struct cmd_ds_command *cmd,
 488                                     int cmd_action,
 489                                     int cmd_oid, void *pdata_buf)
 490 {
 491         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 492         u8 ucTemp;
 493
 494         lbs_deb_enter(LBS_DEB_CMD);
 495
 496         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 497
 498         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 499         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 500
 501         switch (cmd_oid) {
 502         case OID_802_11_INFRASTRUCTURE_MODE:
 503         {
 504                 u8 mode = (u8) (size_t) pdata_buf;
 505                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 506                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 507                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 508                 if (mode == IW_MODE_ADHOC) {
 509                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 510                 } else {
 511                         /* Infra and Auto modes */
 512                         ucTemp = SNMP_MIB_VALUE_INFRA;
 513                 }
 514
 515                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 516
 517                 break;
 518         }
 519
 520         case OID_802_11D_ENABLE:
 521                 {
 522                         u32 ulTemp;
 523
 524                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 525
 526                         if (cmd_action == CMD_ACT_SET) {
 527                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 528                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 529                                 ulTemp = *(u32 *)pdata_buf;
 530                                 *((__le16 *)(pSNMPMIB->value)) =
 531                                     cpu_to_le16((u16) ulTemp);
 532                         }
 533                         break;
 534                 }
 535
 536         case OID_802_11_FRAGMENTATION_THRESHOLD:
 537                 {
 538                         u32 ulTemp;
 539
 540                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 541
 542                         if (cmd_action == CMD_ACT_GET) {
 543                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 544                         } else if (cmd_action == CMD_ACT_SET) {
 545                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 546                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 547                                 ulTemp = *((u32 *) pdata_buf);
 548                                 *((__le16 *)(pSNMPMIB->value)) =
 549                                     cpu_to_le16((u16) ulTemp);
 550
 551                         }
 552
 553                         break;
 554                 }
 555
 556         case OID_802_11_RTS_THRESHOLD:
 557                 {
 558
 559                         u32 ulTemp;
 560                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 561
 562                         if (cmd_action == CMD_ACT_GET) {
 563                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 564                         } else if (cmd_action == CMD_ACT_SET) {
 565                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 566                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 567                                 ulTemp = *((u32 *)pdata_buf);
 568                                 *(__le16 *)(pSNMPMIB->value) =
 569                                     cpu_to_le16((u16) ulTemp);
 570
 571                         }
 572                         break;
 573                 }
 574         case OID_802_11_TX_RETRYCOUNT:
 575                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 576
 577                 if (cmd_action == CMD_ACT_GET) {
 578                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 579                 } else if (cmd_action == CMD_ACT_SET) {
 580                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 581                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 582                         *((__le16 *)(pSNMPMIB->value)) =
 583                             cpu_to_le16((u16) priv->txretrycount);
 584                 }
 585
 586                 break;
 587         default:
 588                 break;
 589         }
 590
 591         lbs_deb_cmd(
 592                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 593                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 594                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 595
 596         lbs_deb_cmd(
 597                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 598                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 599                le16_to_cpu(pSNMPMIB->bufsize),
 600                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 601
 602         lbs_deb_leave(LBS_DEB_CMD);
 603         return 0;
 604 }
 605
 606 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
 607                                          struct cmd_ds_command *cmd,
 608                                          int cmd_action)
 609 {
 610         struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
 611
 612         lbs_deb_enter(LBS_DEB_CMD);
 613
 614         cmd->size =
 615             cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
 616                              S_DS_GEN);
 617         cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
 618
 619         pradiocontrol->action = cpu_to_le16(cmd_action);
 620
 621         switch (priv->preamble) {
 622         case CMD_TYPE_SHORT_PREAMBLE:
 623                 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
 624                 break;
 625
 626         case CMD_TYPE_LONG_PREAMBLE:
 627                 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
 628                 break;
 629
 630         case CMD_TYPE_AUTO_PREAMBLE:
 631         default:
 632                 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
 633                 break;
 634         }
 635
 636         if (priv->radioon)
 637                 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
 638         else
 639                 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
 640
 641         lbs_deb_leave(LBS_DEB_CMD);
 642         return 0;
 643 }
 644
 645 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 646                                        struct cmd_ds_command *cmd,
 647                                        u16 cmd_action, void *pdata_buf)
 648 {
 649
 650         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 651
 652         lbs_deb_enter(LBS_DEB_CMD);
 653
 654         cmd->size =
 655             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 656         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 657         prtp->action = cpu_to_le16(cmd_action);
 658
 659         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 660                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 661                     le16_to_cpu(prtp->action));
 662
 663         switch (cmd_action) {
 664         case CMD_ACT_TX_POWER_OPT_GET:
 665                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 666                 prtp->currentlevel = 0;
 667                 break;
 668
 669         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 670                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 671                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 672                 break;
 673
 674         case CMD_ACT_TX_POWER_OPT_SET_MID:
 675                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 676                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 677                 break;
 678
 679         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 680                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 681                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 682                 break;
 683         }
 684
 685         lbs_deb_leave(LBS_DEB_CMD);
 686         return 0;
 687 }
 688
 689 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 690                                       struct cmd_ds_command *cmd,
 691                                       u16 cmd_action, void *pdata_buf)
 692 {
 693         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 694
 695         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 696         cmd->size =
 697             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 698                              S_DS_GEN);
 699
 700         monitor->action = cpu_to_le16(cmd_action);
 701         if (cmd_action == CMD_ACT_SET) {
 702                 monitor->mode =
 703                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 704         }
 705
 706         return 0;
 707 }
 708
 709 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 710                                               struct cmd_ds_command *cmd,
 711                                               u16 cmd_action)
 712 {
 713         struct cmd_ds_802_11_rate_adapt_rateset
 714         *rateadapt = &cmd->params.rateset;
 715
 716         lbs_deb_enter(LBS_DEB_CMD);
 717         cmd->size =
 718             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 719                              + S_DS_GEN);
 720         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 721
 722         rateadapt->action = cpu_to_le16(cmd_action);
 723         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 724         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 725
 726         lbs_deb_leave(LBS_DEB_CMD);
 727         return 0;
 728 }
 729
 730 /**
 731  *  @brief Get the current data rate
 732  *
 733  *  @param priv         A pointer to struct lbs_private structure
 734  *
 735  *  @return             The data rate on success, error on failure
 736  */
 737 int lbs_get_data_rate(struct lbs_private *priv)
 738 {
 739         struct cmd_ds_802_11_data_rate cmd;
 740         int ret = -1;
 741
 742         lbs_deb_enter(LBS_DEB_CMD);
 743
 744         memset(&cmd, 0, sizeof(cmd));
 745         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 746         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 747
 748         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 749         if (ret)
 750                 goto out;
 751
 752         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 753
 754         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 755         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 756
 757 out:
 758         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 759         return ret;
 760 }
 761
 762 /**
 763  *  @brief Set the data rate
 764  *
 765  *  @param priv         A pointer to struct lbs_private structure
 766  *  @param rate         The desired data rate, or 0 to clear a locked rate
 767  *
 768  *  @return             0 on success, error on failure
 769  */
 770 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 771 {
 772         struct cmd_ds_802_11_data_rate cmd;
 773         int ret = 0;
 774
 775         lbs_deb_enter(LBS_DEB_CMD);
 776
 777         memset(&cmd, 0, sizeof(cmd));
 778         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 779
 780         if (rate > 0) {
 781                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 782                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 783                 if (cmd.rates[0] == 0) {
 784                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 785                                     " 0x%02X\n", rate);
 786                         ret = 0;
 787                         goto out;
 788                 }
 789                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 790         } else {
 791                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 792                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 793         }
 794
 795         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 796         if (ret)
 797                 goto out;
 798
 799         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 800
 801         /* FIXME: get actual rates FW can do if this command actually returns
 802          * all data rates supported.
 803          */
 804         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 805         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 806
 807 out:
 808         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 809         return ret;
 810 }
 811
 812 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 813                                       struct cmd_ds_command *cmd,
 814                                       u16 cmd_action)
 815 {
 816         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 817
 818         lbs_deb_enter(LBS_DEB_CMD);
 819         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 820                              S_DS_GEN);
 821         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 822
 823         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 824         pMCastAdr->action = cpu_to_le16(cmd_action);
 825         pMCastAdr->nr_of_adrs =
 826             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 827         memcpy(pMCastAdr->maclist, priv->multicastlist,
 828                priv->nr_of_multicastmacaddr * ETH_ALEN);
 829
 830         lbs_deb_leave(LBS_DEB_CMD);
 831         return 0;
 832 }
 833
 834 /**
 835  *  @brief Get the radio channel
 836  *
 837  *  @param priv         A pointer to struct lbs_private structure
 838  *
 839  *  @return             The channel on success, error on failure
 840  */
 841 int lbs_get_channel(struct lbs_private *priv)
 842 {
 843         struct cmd_ds_802_11_rf_channel cmd;
 844         int ret = 0;
 845
 846         lbs_deb_enter(LBS_DEB_CMD);
 847
 848         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 849         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 850
 851         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 852         if (ret)
 853                 goto out;
 854
 855         ret = le16_to_cpu(cmd.channel);
 856         lbs_deb_cmd("current radio channel is %d\n", ret);
 857
 858 out:
 859         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 860         return ret;
 861 }
 862
 863 /**
 864  *  @brief Set the radio channel
 865  *
 866  *  @param priv         A pointer to struct lbs_private structure
 867  *  @param channel      The desired channel, or 0 to clear a locked channel
 868  *
 869  *  @return             0 on success, error on failure
 870  */
 871 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 872 {
 873         struct cmd_ds_802_11_rf_channel cmd;
 874         u8 old_channel = priv->curbssparams.channel;
 875         int ret = 0;
 876
 877         lbs_deb_enter(LBS_DEB_CMD);
 878
 879         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 880         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 881         cmd.channel = cpu_to_le16(channel);
 882
 883         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 884         if (ret)
 885                 goto out;
 886
 887         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 888         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 889                 priv->curbssparams.channel);
 890
 891 out:
 892         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 893         return ret;
 894 }
 895
 896 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 897                                 struct cmd_ds_command *cmd)
 898 {
 899
 900         lbs_deb_enter(LBS_DEB_CMD);
 901         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 902         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 903         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 904
 905         /* reset Beacon SNR/NF/RSSI values */
 906         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 907         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 908         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 909         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 910         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 911         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 912
 913         lbs_deb_leave(LBS_DEB_CMD);
 914         return 0;
 915 }
 916
 917 static int lbs_cmd_reg_access(struct lbs_private *priv,
 918                                struct cmd_ds_command *cmdptr,
 919                                u8 cmd_action, void *pdata_buf)
 920 {
 921         struct lbs_offset_value *offval;
 922
 923         lbs_deb_enter(LBS_DEB_CMD);
 924
 925         offval = (struct lbs_offset_value *)pdata_buf;
 926
 927         switch (le16_to_cpu(cmdptr->command)) {
 928         case CMD_MAC_REG_ACCESS:
 929                 {
 930                         struct cmd_ds_mac_reg_access *macreg;
 931
 932                         cmdptr->size =
 933                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 934                                         + S_DS_GEN);
 935                         macreg =
 936                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 937                             macreg;
 938
 939                         macreg->action = cpu_to_le16(cmd_action);
 940                         macreg->offset = cpu_to_le16((u16) offval->offset);
 941                         macreg->value = cpu_to_le32(offval->value);
 942
 943                         break;
 944                 }
 945
 946         case CMD_BBP_REG_ACCESS:
 947                 {
 948                         struct cmd_ds_bbp_reg_access *bbpreg;
 949
 950                         cmdptr->size =
 951                             cpu_to_le16(sizeof
 952                                              (struct cmd_ds_bbp_reg_access)
 953                                              + S_DS_GEN);
 954                         bbpreg =
 955                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 956                             bbpreg;
 957
 958                         bbpreg->action = cpu_to_le16(cmd_action);
 959                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 960                         bbpreg->value = (u8) offval->value;
 961
 962                         break;
 963                 }
 964
 965         case CMD_RF_REG_ACCESS:
 966                 {
 967                         struct cmd_ds_rf_reg_access *rfreg;
 968
 969                         cmdptr->size =
 970                             cpu_to_le16(sizeof
 971                                              (struct cmd_ds_rf_reg_access) +
 972                                              S_DS_GEN);
 973                         rfreg =
 974                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 975                             rfreg;
 976
 977                         rfreg->action = cpu_to_le16(cmd_action);
 978                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 979                         rfreg->value = (u8) offval->value;
 980
 981                         break;
 982                 }
 983
 984         default:
 985                 break;
 986         }
 987
 988         lbs_deb_leave(LBS_DEB_CMD);
 989         return 0;
 990 }
 991
 992 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 993                                        struct cmd_ds_command *cmd,
 994                                        u16 cmd_action)
 995 {
 996
 997         lbs_deb_enter(LBS_DEB_CMD);
 998         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 999         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
1000                              S_DS_GEN);
1001         cmd->result = 0;
1002
1003         cmd->params.macadd.action = cpu_to_le16(cmd_action);
1004
1005         if (cmd_action == CMD_ACT_SET) {
1006                 memcpy(cmd->params.macadd.macadd,
1007                        priv->current_addr, ETH_ALEN);
1008                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
1009         }
1010
1011         lbs_deb_leave(LBS_DEB_CMD);
1012         return 0;
1013 }
1014
1015 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1016                                          struct cmd_ds_command *cmd,
1017                                          int cmd_action, void *pdata_buf)
1018 {
1019         struct lbs_ioctl_regrdwr *ea = pdata_buf;
1020
1021         lbs_deb_enter(LBS_DEB_CMD);
1022
1023         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1024         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1025                                 S_DS_GEN);
1026         cmd->result = 0;
1027
1028         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1029         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1030         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1031         cmd->params.rdeeprom.value = 0;
1032
1033         lbs_deb_leave(LBS_DEB_CMD);
1034         return 0;
1035 }
1036
1037 static int lbs_cmd_bt_access(struct lbs_private *priv,
1038                                struct cmd_ds_command *cmd,
1039                                u16 cmd_action, void *pdata_buf)
1040 {
1041         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1042         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1043
1044         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1045         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1046         cmd->result = 0;
1047         bt_access->action = cpu_to_le16(cmd_action);
1048
1049         switch (cmd_action) {
1050         case CMD_ACT_BT_ACCESS_ADD:
1051                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1052                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1053                 break;
1054         case CMD_ACT_BT_ACCESS_DEL:
1055                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1056                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1057                 break;
1058         case CMD_ACT_BT_ACCESS_LIST:
1059                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1060                 break;
1061         case CMD_ACT_BT_ACCESS_RESET:
1062                 break;
1063         case CMD_ACT_BT_ACCESS_SET_INVERT:
1064                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1065                 break;
1066         case CMD_ACT_BT_ACCESS_GET_INVERT:
1067                 break;
1068         default:
1069                 break;
1070         }
1071         lbs_deb_leave(LBS_DEB_CMD);
1072         return 0;
1073 }
1074
1075 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1076                                struct cmd_ds_command *cmd,
1077                                u16 cmd_action, void *pdata_buf)
1078 {
1079         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1080         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1081
1082         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1083         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1084         cmd->result = 0;
1085
1086         if (pdata_buf)
1087                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1088         else
1089                 memset(fwt_access, 0, sizeof(*fwt_access));
1090
1091         fwt_access->action = cpu_to_le16(cmd_action);
1092
1093         lbs_deb_leave(LBS_DEB_CMD);
1094         return 0;
1095 }
1096
1097 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1098                     struct cmd_ds_mesh_access *cmd)
1099 {
1100         int ret;
1101
1102         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1103
1104         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1105         cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1106         cmd->hdr.result = 0;
1107
1108         cmd->action = cpu_to_le16(cmd_action);
1109
1110         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1111
1112         lbs_deb_leave(LBS_DEB_CMD);
1113         return ret;
1114 }
1115 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1116
1117 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1118 {
1119         struct cmd_ds_mesh_config cmd;
1120
1121         memset(&cmd, 0, sizeof(cmd));
1122         cmd.action = cpu_to_le16(enable);
1123         cmd.channel = cpu_to_le16(chan);
1124         cmd.type = cpu_to_le16(priv->mesh_tlv);
1125
1126         if (enable) {
1127                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1128                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1129         }
1130         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1131                     enable, priv->mesh_tlv, chan,
1132                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1133         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1134 }
1135
1136 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1137                                 struct cmd_ds_command *cmd,
1138                                 u16 cmd_action)
1139 {
1140         struct cmd_ds_802_11_beacon_control
1141                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1142
1143         lbs_deb_enter(LBS_DEB_CMD);
1144         cmd->size =
1145             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1146                              + S_DS_GEN);
1147         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1148
1149         bcn_ctrl->action = cpu_to_le16(cmd_action);
1150         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1151         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1152
1153         lbs_deb_leave(LBS_DEB_CMD);
1154         return 0;
1155 }
1156
1157 /*
1158  * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1159  * the command timer, because it does not account for queued commands.
1160  */
1161 void lbs_queue_cmd(struct lbs_private *priv,
1162         struct cmd_ctrl_node *cmdnode,
1163         u8 addtail)
1164 {
1165         unsigned long flags;
1166
1167         lbs_deb_enter(LBS_DEB_HOST);
1168
1169         if (!cmdnode) {
1170                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1171                 goto done;
1172         }
1173         if (!cmdnode->cmdbuf->size) {
1174                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1175                 goto done;
1176         }
1177
1178         /* Exit_PS command needs to be queued in the header always. */
1179         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1180                 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1181
1182                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1183                         if (priv->psstate != PS_STATE_FULL_POWER)
1184                                 addtail = 0;
1185                 }
1186         }
1187
1188         spin_lock_irqsave(&priv->driver_lock, flags);
1189
1190         if (addtail)
1191                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1192         else
1193                 list_add(&cmdnode->list, &priv->cmdpendingq);
1194
1195         spin_unlock_irqrestore(&priv->driver_lock, flags);
1196
1197         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1198                      le16_to_cpu(cmdnode->cmdbuf->command));
1199
1200 done:
1201         lbs_deb_leave(LBS_DEB_HOST);
1202 }
1203
1204 static int lbs_submit_command(struct lbs_private *priv,
1205                               struct cmd_ctrl_node *cmdnode)
1206 {
1207         unsigned long flags;
1208         struct cmd_header *cmd;
1209         int ret = -1;
1210         u16 cmdsize;
1211         u16 command;
1212
1213         lbs_deb_enter(LBS_DEB_HOST);
1214
1215         cmd = cmdnode->cmdbuf;
1216
1217         spin_lock_irqsave(&priv->driver_lock, flags);
1218         priv->cur_cmd = cmdnode;
1219         priv->cur_cmd_retcode = 0;
1220         spin_unlock_irqrestore(&priv->driver_lock, flags);
1221
1222         cmdsize = le16_to_cpu(cmd->size);
1223         command = le16_to_cpu(cmd->command);
1224
1225         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1226                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1227         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1228
1229         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1230         if (ret) {
1231                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1232                 spin_lock_irqsave(&priv->driver_lock, flags);
1233                 lbs_complete_command(priv, priv->cur_cmd, ret);
1234                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1235                 goto done;
1236         }
1237
1238         lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1239
1240         /* Setup the timer after transmit command */
1241         if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1242             || command == CMD_802_11_ASSOCIATE)
1243                 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1244         else
1245                 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1246
1247         ret = 0;
1248
1249 done:
1250         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1251         return ret;
1252 }
1253
1254 static int lbs_cmd_mac_control(struct lbs_private *priv,
1255                                 struct cmd_ds_command *cmd)
1256 {
1257         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1258
1259         lbs_deb_enter(LBS_DEB_CMD);
1260
1261         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1262         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1263         mac->action = cpu_to_le16(priv->currentpacketfilter);
1264
1265         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1266                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1267
1268         lbs_deb_leave(LBS_DEB_CMD);
1269         return 0;
1270 }
1271
1272 /**
1273  *  This function inserts command node to cmdfreeq
1274  *  after cleans it. Requires priv->driver_lock held.
1275  */
1276 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1277                                          struct cmd_ctrl_node *ptempcmd)
1278 {
1279
1280         if (!ptempcmd)
1281                 return;
1282
1283         cleanup_cmdnode(ptempcmd);
1284         list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1285 }
1286
1287 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1288         struct cmd_ctrl_node *ptempcmd)
1289 {
1290         unsigned long flags;
1291
1292         spin_lock_irqsave(&priv->driver_lock, flags);
1293         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1294         spin_unlock_irqrestore(&priv->driver_lock, flags);
1295 }
1296
1297 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1298                           int result)
1299 {
1300         if (cmd == priv->cur_cmd)
1301                 priv->cur_cmd_retcode = result;
1302         __lbs_cleanup_and_insert_cmd(priv, cmd);
1303         priv->cur_cmd = NULL;
1304 }
1305
1306 int lbs_set_radio_control(struct lbs_private *priv)
1307 {
1308         int ret = 0;
1309
1310         lbs_deb_enter(LBS_DEB_CMD);
1311
1312         ret = lbs_prepare_and_send_command(priv,
1313                                     CMD_802_11_RADIO_CONTROL,
1314                                     CMD_ACT_SET,
1315                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1316
1317         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1318                priv->radioon, priv->preamble);
1319
1320         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1321         return ret;
1322 }
1323
1324 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1325 {
1326         int ret = 0;
1327
1328         lbs_deb_enter(LBS_DEB_CMD);
1329
1330         /* Send MAC control command to station */
1331         ret = lbs_prepare_and_send_command(priv,
1332                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1333
1334         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1335         return ret;
1336 }
1337
1338 /**
1339  *  @brief This function prepare the command before send to firmware.
1340  *
1341  *  @param priv         A pointer to struct lbs_private structure
1342  *  @param cmd_no       command number
1343  *  @param cmd_action   command action: GET or SET
1344  *  @param wait_option  wait option: wait response or not
1345  *  @param cmd_oid      cmd oid: treated as sub command
1346  *  @param pdata_buf    A pointer to informaion buffer
1347  *  @return             0 or -1
1348  */
1349 int lbs_prepare_and_send_command(struct lbs_private *priv,
1350                           u16 cmd_no,
1351                           u16 cmd_action,
1352                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1353 {
1354         int ret = 0;
1355         struct cmd_ctrl_node *cmdnode;
1356         struct cmd_ds_command *cmdptr;
1357         unsigned long flags;
1358
1359         lbs_deb_enter(LBS_DEB_HOST);
1360
1361         if (!priv) {
1362                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1363                 ret = -1;
1364                 goto done;
1365         }
1366
1367         if (priv->surpriseremoved) {
1368                 lbs_deb_host("PREP_CMD: card removed\n");
1369                 ret = -1;
1370                 goto done;
1371         }
1372
1373         cmdnode = lbs_get_cmd_ctrl_node(priv);
1374
1375         if (cmdnode == NULL) {
1376                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1377
1378                 /* Wake up main thread to execute next command */
1379                 wake_up_interruptible(&priv->waitq);
1380                 ret = -1;
1381                 goto done;
1382         }
1383
1384         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1385
1386         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1387
1388         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1389
1390         /* Set sequence number, command and INT option */
1391         priv->seqnum++;
1392         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1393
1394         cmdptr->command = cpu_to_le16(cmd_no);
1395         cmdptr->result = 0;
1396
1397         switch (cmd_no) {
1398         case CMD_802_11_PS_MODE:
1399                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1400                 break;
1401
1402         case CMD_802_11_SCAN:
1403                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1404                 break;
1405
1406         case CMD_MAC_CONTROL:
1407                 ret = lbs_cmd_mac_control(priv, cmdptr);
1408                 break;
1409
1410         case CMD_802_11_ASSOCIATE:
1411         case CMD_802_11_REASSOCIATE:
1412                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1413                 break;
1414
1415         case CMD_802_11_DEAUTHENTICATE:
1416                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1417                 break;
1418
1419         case CMD_802_11_SET_WEP:
1420                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1421                 break;
1422
1423         case CMD_802_11_AD_HOC_START:
1424                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1425                 break;
1426         case CMD_CODE_DNLD:
1427                 break;
1428
1429         case CMD_802_11_RESET:
1430                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1431                 break;
1432
1433         case CMD_802_11_GET_LOG:
1434                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1435                 break;
1436
1437         case CMD_802_11_AUTHENTICATE:
1438                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1439                 break;
1440
1441         case CMD_802_11_GET_STAT:
1442                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1443                 break;
1444
1445         case CMD_802_11_SNMP_MIB:
1446                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1447                                                cmd_action, cmd_oid, pdata_buf);
1448                 break;
1449
1450         case CMD_MAC_REG_ACCESS:
1451         case CMD_BBP_REG_ACCESS:
1452         case CMD_RF_REG_ACCESS:
1453                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1454                 break;
1455
1456         case CMD_802_11_RF_TX_POWER:
1457                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1458                                                   cmd_action, pdata_buf);
1459                 break;
1460
1461         case CMD_802_11_RADIO_CONTROL:
1462                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1463                 break;
1464
1465         case CMD_802_11_RATE_ADAPT_RATESET:
1466                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1467                                                          cmdptr, cmd_action);
1468                 break;
1469
1470         case CMD_MAC_MULTICAST_ADR:
1471                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1472                 break;
1473
1474         case CMD_802_11_MONITOR_MODE:
1475                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1476                                           cmd_action, pdata_buf);
1477                 break;
1478
1479         case CMD_802_11_AD_HOC_JOIN:
1480                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1481                 break;
1482
1483         case CMD_802_11_RSSI:
1484                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1485                 break;
1486
1487         case CMD_802_11_AD_HOC_STOP:
1488                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1489                 break;
1490
1491         case CMD_802_11_ENABLE_RSN:
1492                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1493                                 pdata_buf);
1494                 break;
1495
1496         case CMD_802_11_KEY_MATERIAL:
1497                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1498                                 cmd_oid, pdata_buf);
1499                 break;
1500
1501         case CMD_802_11_PAIRWISE_TSC:
1502                 break;
1503         case CMD_802_11_GROUP_TSC:
1504                 break;
1505
1506         case CMD_802_11_MAC_ADDRESS:
1507                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1508                 break;
1509
1510         case CMD_802_11_EEPROM_ACCESS:
1511                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1512                                                     cmd_action, pdata_buf);
1513                 break;
1514
1515         case CMD_802_11_SET_AFC:
1516         case CMD_802_11_GET_AFC:
1517
1518                 cmdptr->command = cpu_to_le16(cmd_no);
1519                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1520                                            S_DS_GEN);
1521
1522                 memmove(&cmdptr->params.afc,
1523                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1524
1525                 ret = 0;
1526                 goto done;
1527
1528         case CMD_802_11D_DOMAIN_INFO:
1529                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1530                                                    cmd_no, cmd_action);
1531                 break;
1532
1533         case CMD_802_11_SLEEP_PARAMS:
1534                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1535                 break;
1536         case CMD_802_11_INACTIVITY_TIMEOUT:
1537                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1538                                                          cmd_action, pdata_buf);
1539                 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1540                 break;
1541
1542         case CMD_802_11_TPC_CFG:
1543                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1544                 cmdptr->size =
1545                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1546                                      S_DS_GEN);
1547
1548                 memmove(&cmdptr->params.tpccfg,
1549                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1550
1551                 ret = 0;
1552                 break;
1553         case CMD_802_11_LED_GPIO_CTRL:
1554                 {
1555                         struct mrvlietypes_ledgpio *gpio =
1556                             (struct mrvlietypes_ledgpio*)
1557                             cmdptr->params.ledgpio.data;
1558
1559                         memmove(&cmdptr->params.ledgpio,
1560                                 pdata_buf,
1561                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1562
1563                         cmdptr->command =
1564                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1565
1566 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1567                         cmdptr->size =
1568                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1569                                 + S_DS_GEN
1570                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1571                         gpio->header.len = gpio->header.len;
1572
1573                         ret = 0;
1574                         break;
1575                 }
1576         case CMD_802_11_SUBSCRIBE_EVENT:
1577                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1578                         cmd_action, pdata_buf);
1579                 break;
1580         case CMD_802_11_PWR_CFG:
1581                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1582                 cmdptr->size =
1583                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1584                                      S_DS_GEN);
1585                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1586                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1587
1588                 ret = 0;
1589                 break;
1590         case CMD_BT_ACCESS:
1591                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1592                 break;
1593
1594         case CMD_FWT_ACCESS:
1595                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1596                 break;
1597
1598         case CMD_GET_TSF:
1599                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1600                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1601                                            S_DS_GEN);
1602                 ret = 0;
1603                 break;
1604         case CMD_802_11_BEACON_CTRL:
1605                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1606                 break;
1607         default:
1608                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1609                 ret = -1;
1610                 break;
1611         }
1612
1613         /* return error, since the command preparation failed */
1614         if (ret != 0) {
1615                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1616                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1617                 ret = -1;
1618                 goto done;
1619         }
1620
1621         cmdnode->cmdwaitqwoken = 0;
1622
1623         lbs_queue_cmd(priv, cmdnode, 1);
1624         wake_up_interruptible(&priv->waitq);
1625
1626         if (wait_option & CMD_OPTION_WAITFORRSP) {
1627                 lbs_deb_host("PREP_CMD: wait for response\n");
1628                 might_sleep();
1629                 wait_event_interruptible(cmdnode->cmdwait_q,
1630                                          cmdnode->cmdwaitqwoken);
1631         }
1632
1633         spin_lock_irqsave(&priv->driver_lock, flags);
1634         if (priv->cur_cmd_retcode) {
1635                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1636                        priv->cur_cmd_retcode);
1637                 priv->cur_cmd_retcode = 0;
1638                 ret = -1;
1639         }
1640         spin_unlock_irqrestore(&priv->driver_lock, flags);
1641
1642 done:
1643         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1644         return ret;
1645 }
1646 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1647
1648 /**
1649  *  @brief This function allocates the command buffer and link
1650  *  it to command free queue.
1651  *
1652  *  @param priv         A pointer to struct lbs_private structure
1653  *  @return             0 or -1
1654  */
1655 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1656 {
1657         int ret = 0;
1658         u32 bufsize;
1659         u32 i;
1660         struct cmd_ctrl_node *cmdarray;
1661
1662         lbs_deb_enter(LBS_DEB_HOST);
1663
1664         /* Allocate and initialize the command array */
1665         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1666         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1667                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1668                 ret = -1;
1669                 goto done;
1670         }
1671         priv->cmd_array = cmdarray;
1672
1673         /* Allocate and initialize each command buffer in the command array */
1674         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1675                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1676                 if (!cmdarray[i].cmdbuf) {
1677                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1678                         ret = -1;
1679                         goto done;
1680                 }
1681         }
1682
1683         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1684                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1685                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1686         }
1687         ret = 0;
1688
1689 done:
1690         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1691         return ret;
1692 }
1693
1694 /**
1695  *  @brief This function frees the command buffer.
1696  *
1697  *  @param priv         A pointer to struct lbs_private structure
1698  *  @return             0 or -1
1699  */
1700 int lbs_free_cmd_buffer(struct lbs_private *priv)
1701 {
1702         struct cmd_ctrl_node *cmdarray;
1703         unsigned int i;
1704
1705         lbs_deb_enter(LBS_DEB_HOST);
1706
1707         /* need to check if cmd array is allocated or not */
1708         if (priv->cmd_array == NULL) {
1709                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1710                 goto done;
1711         }
1712
1713         cmdarray = priv->cmd_array;
1714
1715         /* Release shared memory buffers */
1716         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1717                 if (cmdarray[i].cmdbuf) {
1718                         kfree(cmdarray[i].cmdbuf);
1719                         cmdarray[i].cmdbuf = NULL;
1720                 }
1721         }
1722
1723         /* Release cmd_ctrl_node */
1724         if (priv->cmd_array) {
1725                 kfree(priv->cmd_array);
1726                 priv->cmd_array = NULL;
1727         }
1728
1729 done:
1730         lbs_deb_leave(LBS_DEB_HOST);
1731         return 0;
1732 }
1733
1734 /**
1735  *  @brief This function gets a free command node if available in
1736  *  command free queue.
1737  *
1738  *  @param priv         A pointer to struct lbs_private structure
1739  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1740  */
1741 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1742 {
1743         struct cmd_ctrl_node *tempnode;
1744         unsigned long flags;
1745
1746         lbs_deb_enter(LBS_DEB_HOST);
1747
1748         if (!priv)
1749                 return NULL;
1750
1751         spin_lock_irqsave(&priv->driver_lock, flags);
1752
1753         if (!list_empty(&priv->cmdfreeq)) {
1754                 tempnode = list_first_entry(&priv->cmdfreeq,
1755                                             struct cmd_ctrl_node, list);
1756                 list_del(&tempnode->list);
1757         } else {
1758                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1759                 tempnode = NULL;
1760         }
1761
1762         spin_unlock_irqrestore(&priv->driver_lock, flags);
1763
1764         lbs_deb_leave(LBS_DEB_HOST);
1765         return tempnode;
1766 }
1767
1768 /**
1769  *  @brief This function cleans command node.
1770  *
1771  *  @param ptempnode    A pointer to cmdCtrlNode structure
1772  *  @return             n/a
1773  */
1774 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1775 {
1776         lbs_deb_enter(LBS_DEB_HOST);
1777
1778         if (!cmdnode)
1779                 return;
1780         cmdnode->cmdwaitqwoken = 1;
1781         wake_up_interruptible(&cmdnode->cmdwait_q);
1782         cmdnode->pdata_buf = NULL;
1783         cmdnode->callback = NULL;
1784         cmdnode->callback_arg = 0;
1785
1786         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1787
1788         lbs_deb_leave(LBS_DEB_HOST);
1789 }
1790
1791 /**
1792  *  @brief This function initializes the command node.
1793  *
1794  *  @param priv         A pointer to struct lbs_private structure
1795  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1796  *  @param pdata_buf    A pointer to informaion buffer
1797  *  @return             0 or -1
1798  */
1799 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1800                                   struct cmd_ctrl_node *ptempnode,
1801                                   void *pdata_buf)
1802 {
1803         lbs_deb_enter(LBS_DEB_HOST);
1804
1805         if (!ptempnode)
1806                 return;
1807
1808         ptempnode->pdata_buf = pdata_buf;
1809         ptempnode->callback = NULL;
1810         ptempnode->callback_arg = 0;
1811
1812         lbs_deb_leave(LBS_DEB_HOST);
1813 }
1814
1815 /**
1816  *  @brief This function executes next command in command
1817  *  pending queue. It will put fimware back to PS mode
1818  *  if applicable.
1819  *
1820  *  @param priv     A pointer to struct lbs_private structure
1821  *  @return        0 or -1
1822  */
1823 int lbs_execute_next_command(struct lbs_private *priv)
1824 {
1825         struct cmd_ctrl_node *cmdnode = NULL;
1826         struct cmd_header *cmd;
1827         unsigned long flags;
1828         int ret = 0;
1829
1830         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1831         // only caller to us is lbs_thread() and we get even when a
1832         // data packet is received
1833         lbs_deb_enter(LBS_DEB_THREAD);
1834
1835         spin_lock_irqsave(&priv->driver_lock, flags);
1836
1837         if (priv->cur_cmd) {
1838                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1839                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1840                 ret = -1;
1841                 goto done;
1842         }
1843
1844         if (!list_empty(&priv->cmdpendingq)) {
1845                 cmdnode = list_first_entry(&priv->cmdpendingq,
1846                                            struct cmd_ctrl_node, list);
1847         }
1848
1849         spin_unlock_irqrestore(&priv->driver_lock, flags);
1850
1851         if (cmdnode) {
1852                 cmd = cmdnode->cmdbuf;
1853
1854                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1855                         if ((priv->psstate == PS_STATE_SLEEP) ||
1856                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1857                                 lbs_deb_host(
1858                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1859                                        le16_to_cpu(cmd->command),
1860                                        priv->psstate);
1861                                 ret = -1;
1862                                 goto done;
1863                         }
1864                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1865                                      "0x%04x in psstate %d\n",
1866                                      le16_to_cpu(cmd->command), priv->psstate);
1867                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1868                         /*
1869                          * 1. Non-PS command:
1870                          * Queue it. set needtowakeup to TRUE if current state
1871                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1872                          * 2. PS command but not Exit_PS:
1873                          * Ignore it.
1874                          * 3. PS command Exit_PS:
1875                          * Set needtowakeup to TRUE if current state is SLEEP,
1876                          * otherwise send this command down to firmware
1877                          * immediately.
1878                          */
1879                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1880                                 /*  Prepare to send Exit PS,
1881                                  *  this non PS command will be sent later */
1882                                 if ((priv->psstate == PS_STATE_SLEEP)
1883                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1884                                     ) {
1885                                         /* w/ new scheme, it will not reach here.
1886                                            since it is blocked in main_thread. */
1887                                         priv->needtowakeup = 1;
1888                                 } else
1889                                         lbs_ps_wakeup(priv, 0);
1890
1891                                 ret = 0;
1892                                 goto done;
1893                         } else {
1894                                 /*
1895                                  * PS command. Ignore it if it is not Exit_PS.
1896                                  * otherwise send it down immediately.
1897                                  */
1898                                 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1899
1900                                 lbs_deb_host(
1901                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1902                                        psm->action);
1903                                 if (psm->action !=
1904                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1905                                         lbs_deb_host(
1906                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1907                                         list_del(&cmdnode->list);
1908                                         spin_lock_irqsave(&priv->driver_lock, flags);
1909                                         lbs_complete_command(priv, cmdnode, 0);
1910                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1911
1912                                         ret = 0;
1913                                         goto done;
1914                                 }
1915
1916                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1917                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1918                                         lbs_deb_host(
1919                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1920                                         list_del(&cmdnode->list);
1921                                         spin_lock_irqsave(&priv->driver_lock, flags);
1922                                         lbs_complete_command(priv, cmdnode, 0);
1923                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1924                                         priv->needtowakeup = 1;
1925
1926                                         ret = 0;
1927                                         goto done;
1928                                 }
1929
1930                                 lbs_deb_host(
1931                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1932                         }
1933                 }
1934                 list_del(&cmdnode->list);
1935                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1936                             le16_to_cpu(cmd->command));
1937                 lbs_submit_command(priv, cmdnode);
1938         } else {
1939                 /*
1940                  * check if in power save mode, if yes, put the device back
1941                  * to PS mode
1942                  */
1943                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1944                     (priv->psstate == PS_STATE_FULL_POWER) &&
1945                     ((priv->connect_status == LBS_CONNECTED) ||
1946                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1947                         if (priv->secinfo.WPAenabled ||
1948                             priv->secinfo.WPA2enabled) {
1949                                 /* check for valid WPA group keys */
1950                                 if (priv->wpa_mcast_key.len ||
1951                                     priv->wpa_unicast_key.len) {
1952                                         lbs_deb_host(
1953                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1954                                                " go back to PS_SLEEP");
1955                                         lbs_ps_sleep(priv, 0);
1956                                 }
1957                         } else {
1958                                 lbs_deb_host(
1959                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1960                                        "go back to PS_SLEEP");
1961                                 lbs_ps_sleep(priv, 0);
1962                         }
1963                 }
1964         }
1965
1966         ret = 0;
1967 done:
1968         lbs_deb_leave(LBS_DEB_THREAD);
1969         return ret;
1970 }
1971
1972 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1973 {
1974         union iwreq_data iwrq;
1975         u8 buf[50];
1976
1977         lbs_deb_enter(LBS_DEB_WEXT);
1978
1979         memset(&iwrq, 0, sizeof(union iwreq_data));
1980         memset(buf, 0, sizeof(buf));
1981
1982         snprintf(buf, sizeof(buf) - 1, "%s", str);
1983
1984         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1985
1986         /* Send Event to upper layer */
1987         lbs_deb_wext("event indication string %s\n", (char *)buf);
1988         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1989         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1990
1991         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1992
1993         lbs_deb_leave(LBS_DEB_WEXT);
1994 }
1995
1996 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1997 {
1998         unsigned long flags;
1999         int ret = 0;
2000
2001         lbs_deb_enter(LBS_DEB_HOST);
2002
2003         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2004                size);
2005
2006         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2007
2008         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2009         priv->dnld_sent = DNLD_RES_RECEIVED;
2010
2011         spin_lock_irqsave(&priv->driver_lock, flags);
2012         if (priv->intcounter || priv->currenttxskb)
2013                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2014                        priv->intcounter, priv->currenttxskb);
2015         spin_unlock_irqrestore(&priv->driver_lock, flags);
2016
2017         if (ret) {
2018                 lbs_pr_alert(
2019                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2020         } else {
2021                 spin_lock_irqsave(&priv->driver_lock, flags);
2022                 if (!priv->intcounter) {
2023                         priv->psstate = PS_STATE_SLEEP;
2024                 } else {
2025                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2026                                priv->intcounter);
2027                 }
2028                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2029
2030                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2031         }
2032
2033         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2034         return ret;
2035 }
2036
2037 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2038 {
2039         lbs_deb_enter(LBS_DEB_HOST);
2040
2041         /*
2042          * PS is currently supported only in Infrastructure mode
2043          * Remove this check if it is to be supported in IBSS mode also
2044          */
2045
2046         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2047                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2048
2049         lbs_deb_leave(LBS_DEB_HOST);
2050 }
2051
2052 /**
2053  *  @brief This function sends Exit_PS command to firmware.
2054  *
2055  *  @param priv         A pointer to struct lbs_private structure
2056  *  @param wait_option  wait response or not
2057  *  @return             n/a
2058  */
2059 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2060 {
2061         __le32 Localpsmode;
2062
2063         lbs_deb_enter(LBS_DEB_HOST);
2064
2065         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2066
2067         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2068                               CMD_SUBCMD_EXIT_PS,
2069                               wait_option, 0, &Localpsmode);
2070
2071         lbs_deb_leave(LBS_DEB_HOST);
2072 }
2073
2074 /**
2075  *  @brief This function checks condition and prepares to
2076  *  send sleep confirm command to firmware if ok.
2077  *
2078  *  @param priv         A pointer to struct lbs_private structure
2079  *  @param psmode       Power Saving mode
2080  *  @return             n/a
2081  */
2082 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2083 {
2084         unsigned long flags =0;
2085         u8 allowed = 1;
2086
2087         lbs_deb_enter(LBS_DEB_HOST);
2088
2089         if (priv->dnld_sent) {
2090                 allowed = 0;
2091                 lbs_deb_host("dnld_sent was set\n");
2092         }
2093
2094         spin_lock_irqsave(&priv->driver_lock, flags);
2095         if (priv->cur_cmd) {
2096                 allowed = 0;
2097                 lbs_deb_host("cur_cmd was set\n");
2098         }
2099         if (priv->intcounter > 0) {
2100                 allowed = 0;
2101                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2102         }
2103         spin_unlock_irqrestore(&priv->driver_lock, flags);
2104
2105         if (allowed) {
2106                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2107                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2108                                  sizeof(struct PS_CMD_ConfirmSleep));
2109         } else {
2110                 lbs_deb_host("sleep confirm has been delayed\n");
2111         }
2112
2113         lbs_deb_leave(LBS_DEB_HOST);
2114 }
2115
2116
2117 /**
2118  *  @brief Simple callback that copies response back into command
2119  *
2120  *  @param priv         A pointer to struct lbs_private structure
2121  *  @param extra        A pointer to the original command structure for which
2122  *                      'resp' is a response
2123  *  @param resp         A pointer to the command response
2124  *
2125  *  @return             0 on success, error on failure
2126  */
2127 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2128                      struct cmd_header *resp)
2129 {
2130         struct cmd_header *buf = (void *)extra;
2131         uint16_t copy_len;
2132
2133         lbs_deb_enter(LBS_DEB_CMD);
2134
2135         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2136         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2137                     "copy back buffer was %u bytes\n", copy_len,
2138                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2139         memcpy(buf, resp, copy_len);
2140
2141         lbs_deb_leave(LBS_DEB_CMD);
2142         return 0;
2143 }
2144 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2145
2146 /**
2147  *  @brief Simple way to call firmware functions
2148  *
2149  *  @param priv         A pointer to struct lbs_private structure
2150  *  @param psmode       one of the many CMD_802_11_xxxx
2151  *  @param cmd          pointer to the parameters structure for above command
2152  *                      (this should not include the command, size, sequence
2153  *                      and result fields from struct cmd_ds_gen)
2154  *  @param cmd_size     size structure pointed to by cmd
2155  *  @param rsp          pointer to an area where the result should be placed
2156  *  @param rsp_size     pointer to the size of the rsp area. If the firmware
2157  *                      returns fewer bytes, then this *rsp_size will be
2158  *                      changed to the actual size.
2159  *  @return             -1 in case of a higher level error, otherwise
2160  *                      the result code from the firmware
2161  */
2162 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2163               struct cmd_header *in_cmd, int in_cmd_size,
2164               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2165               unsigned long callback_arg)
2166 {
2167         struct cmd_ctrl_node *cmdnode;
2168         unsigned long flags;
2169         int ret = 0;
2170
2171         lbs_deb_enter(LBS_DEB_HOST);
2172
2173         if (!priv) {
2174                 lbs_deb_host("PREP_CMD: priv is NULL\n");
2175                 ret = -1;
2176                 goto done;
2177         }
2178
2179         if (priv->surpriseremoved) {
2180                 lbs_deb_host("PREP_CMD: card removed\n");
2181                 ret = -1;
2182                 goto done;
2183         }
2184
2185         cmdnode = lbs_get_cmd_ctrl_node(priv);
2186         if (cmdnode == NULL) {
2187                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2188
2189                 /* Wake up main thread to execute next command */
2190                 wake_up_interruptible(&priv->waitq);
2191                 ret = -1;
2192                 goto done;
2193         }
2194
2195         cmdnode->callback = callback;
2196         cmdnode->callback_arg = callback_arg;
2197
2198         /* Copy the incoming command to the buffer */
2199         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2200
2201         /* Set sequence number, clean result, move to buffer */
2202         priv->seqnum++;
2203         cmdnode->cmdbuf->command = cpu_to_le16(command);
2204         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2205         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2206         cmdnode->cmdbuf->result  = 0;
2207
2208         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2209
2210         /* here was the big old switch() statement, which is now obsolete,
2211          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2212
2213         cmdnode->cmdwaitqwoken = 0;
2214         lbs_queue_cmd(priv, cmdnode, 1);
2215         wake_up_interruptible(&priv->waitq);
2216
2217         might_sleep();
2218         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2219
2220         spin_lock_irqsave(&priv->driver_lock, flags);
2221         if (priv->cur_cmd_retcode) {
2222                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2223                        priv->cur_cmd_retcode);
2224                 priv->cur_cmd_retcode = 0;
2225                 ret = -1;
2226         }
2227         spin_unlock_irqrestore(&priv->driver_lock, flags);
2228
2229 done:
2230         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2231         return ret;
2232 }
2233 EXPORT_SYMBOL_GPL(__lbs_cmd);
2234
2235