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 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(*cmd));
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         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1126
1127         if (enable) {
1128                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1129                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1130         }
1131         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1132                     enable, priv->mesh_tlv, chan,
1133                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1134         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1135 }
1136
1137 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1138                                 struct cmd_ds_command *cmd,
1139                                 u16 cmd_action)
1140 {
1141         struct cmd_ds_802_11_beacon_control
1142                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1143
1144         lbs_deb_enter(LBS_DEB_CMD);
1145         cmd->size =
1146             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1147                              + S_DS_GEN);
1148         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1149
1150         bcn_ctrl->action = cpu_to_le16(cmd_action);
1151         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1152         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1153
1154         lbs_deb_leave(LBS_DEB_CMD);
1155         return 0;
1156 }
1157
1158 static void lbs_queue_cmd(struct lbs_private *priv,
1159                           struct cmd_ctrl_node *cmdnode)
1160 {
1161         unsigned long flags;
1162         int addtail = 1;
1163
1164         lbs_deb_enter(LBS_DEB_HOST);
1165
1166         if (!cmdnode) {
1167                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1168                 goto done;
1169         }
1170         if (!cmdnode->cmdbuf->size) {
1171                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1172                 goto done;
1173         }
1174         cmdnode->result = 0;
1175
1176         /* Exit_PS command needs to be queued in the header always. */
1177         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1178                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1179
1180                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1181                         if (priv->psstate != PS_STATE_FULL_POWER)
1182                                 addtail = 0;
1183                 }
1184         }
1185
1186         spin_lock_irqsave(&priv->driver_lock, flags);
1187
1188         if (addtail)
1189                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1190         else
1191                 list_add(&cmdnode->list, &priv->cmdpendingq);
1192
1193         spin_unlock_irqrestore(&priv->driver_lock, flags);
1194
1195         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1196                      le16_to_cpu(cmdnode->cmdbuf->command));
1197
1198 done:
1199         lbs_deb_leave(LBS_DEB_HOST);
1200 }
1201
1202 static void lbs_submit_command(struct lbs_private *priv,
1203                                struct cmd_ctrl_node *cmdnode)
1204 {
1205         unsigned long flags;
1206         struct cmd_header *cmd;
1207         uint16_t cmdsize;
1208         uint16_t command;
1209         int timeo = 5 * HZ;
1210         int ret;
1211
1212         lbs_deb_enter(LBS_DEB_HOST);
1213
1214         cmd = cmdnode->cmdbuf;
1215
1216         spin_lock_irqsave(&priv->driver_lock, flags);
1217         priv->cur_cmd = cmdnode;
1218         priv->cur_cmd_retcode = 0;
1219         spin_unlock_irqrestore(&priv->driver_lock, flags);
1220
1221         cmdsize = le16_to_cpu(cmd->size);
1222         command = le16_to_cpu(cmd->command);
1223
1224         /* These commands take longer */
1225         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1226             command == CMD_802_11_AUTHENTICATE)
1227                 timeo = 10 * HZ;
1228
1229         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1230                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1231         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1232
1233         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1234
1235         if (ret) {
1236                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1237                 /* Let the timer kick in and retry, and potentially reset
1238                    the whole thing if the condition persists */
1239                 timeo = HZ;
1240         } else
1241                 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1242                             command, jiffies);
1243
1244         /* Setup the timer after transmit command */
1245         mod_timer(&priv->command_timer, jiffies + timeo);
1246
1247         lbs_deb_leave(LBS_DEB_HOST);
1248 }
1249
1250 static int lbs_cmd_mac_control(struct lbs_private *priv,
1251                                 struct cmd_ds_command *cmd)
1252 {
1253         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1254
1255         lbs_deb_enter(LBS_DEB_CMD);
1256
1257         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1258         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1259         mac->action = cpu_to_le16(priv->currentpacketfilter);
1260
1261         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1262                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1263
1264         lbs_deb_leave(LBS_DEB_CMD);
1265         return 0;
1266 }
1267
1268 /**
1269  *  This function inserts command node to cmdfreeq
1270  *  after cleans it. Requires priv->driver_lock held.
1271  */
1272 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1273                                          struct cmd_ctrl_node *cmdnode)
1274 {
1275         lbs_deb_enter(LBS_DEB_HOST);
1276
1277         if (!cmdnode)
1278                 goto out;
1279
1280         cmdnode->callback = NULL;
1281         cmdnode->callback_arg = 0;
1282
1283         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1284
1285         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1286  out:
1287         lbs_deb_leave(LBS_DEB_HOST);
1288 }
1289
1290 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1291         struct cmd_ctrl_node *ptempcmd)
1292 {
1293         unsigned long flags;
1294
1295         spin_lock_irqsave(&priv->driver_lock, flags);
1296         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1297         spin_unlock_irqrestore(&priv->driver_lock, flags);
1298 }
1299
1300 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1301                           int result)
1302 {
1303         if (cmd == priv->cur_cmd)
1304                 priv->cur_cmd_retcode = result;
1305
1306         cmd->result = result;
1307         cmd->cmdwaitqwoken = 1;
1308         wake_up_interruptible(&cmd->cmdwait_q);
1309
1310         if (!cmd->callback)
1311                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1312         priv->cur_cmd = NULL;
1313 }
1314
1315 int lbs_set_radio_control(struct lbs_private *priv)
1316 {
1317         int ret = 0;
1318
1319         lbs_deb_enter(LBS_DEB_CMD);
1320
1321         ret = lbs_prepare_and_send_command(priv,
1322                                     CMD_802_11_RADIO_CONTROL,
1323                                     CMD_ACT_SET,
1324                                     CMD_OPTION_WAITFORRSP, 0, NULL);
1325
1326         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1327                priv->radioon, priv->preamble);
1328
1329         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1330         return ret;
1331 }
1332
1333 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1334 {
1335         int ret = 0;
1336
1337         lbs_deb_enter(LBS_DEB_CMD);
1338
1339         /* Send MAC control command to station */
1340         ret = lbs_prepare_and_send_command(priv,
1341                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1342
1343         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1344         return ret;
1345 }
1346
1347 /**
1348  *  @brief This function prepare the command before send to firmware.
1349  *
1350  *  @param priv         A pointer to struct lbs_private structure
1351  *  @param cmd_no       command number
1352  *  @param cmd_action   command action: GET or SET
1353  *  @param wait_option  wait option: wait response or not
1354  *  @param cmd_oid      cmd oid: treated as sub command
1355  *  @param pdata_buf    A pointer to informaion buffer
1356  *  @return             0 or -1
1357  */
1358 int lbs_prepare_and_send_command(struct lbs_private *priv,
1359                           u16 cmd_no,
1360                           u16 cmd_action,
1361                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1362 {
1363         int ret = 0;
1364         struct cmd_ctrl_node *cmdnode;
1365         struct cmd_ds_command *cmdptr;
1366         unsigned long flags;
1367
1368         lbs_deb_enter(LBS_DEB_HOST);
1369
1370         if (!priv) {
1371                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1372                 ret = -1;
1373                 goto done;
1374         }
1375
1376         if (priv->surpriseremoved) {
1377                 lbs_deb_host("PREP_CMD: card removed\n");
1378                 ret = -1;
1379                 goto done;
1380         }
1381
1382         cmdnode = lbs_get_cmd_ctrl_node(priv);
1383
1384         if (cmdnode == NULL) {
1385                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1386
1387                 /* Wake up main thread to execute next command */
1388                 wake_up_interruptible(&priv->waitq);
1389                 ret = -1;
1390                 goto done;
1391         }
1392
1393         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1394
1395         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1396
1397         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1398
1399         /* Set sequence number, command and INT option */
1400         priv->seqnum++;
1401         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1402
1403         cmdptr->command = cpu_to_le16(cmd_no);
1404         cmdptr->result = 0;
1405
1406         switch (cmd_no) {
1407         case CMD_802_11_PS_MODE:
1408                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1409                 break;
1410
1411         case CMD_802_11_SCAN:
1412                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1413                 break;
1414
1415         case CMD_MAC_CONTROL:
1416                 ret = lbs_cmd_mac_control(priv, cmdptr);
1417                 break;
1418
1419         case CMD_802_11_ASSOCIATE:
1420         case CMD_802_11_REASSOCIATE:
1421                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1422                 break;
1423
1424         case CMD_802_11_DEAUTHENTICATE:
1425                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1426                 break;
1427
1428         case CMD_802_11_SET_WEP:
1429                 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1430                 break;
1431
1432         case CMD_802_11_AD_HOC_START:
1433                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1434                 break;
1435         case CMD_CODE_DNLD:
1436                 break;
1437
1438         case CMD_802_11_RESET:
1439                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1440                 break;
1441
1442         case CMD_802_11_GET_LOG:
1443                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1444                 break;
1445
1446         case CMD_802_11_AUTHENTICATE:
1447                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1448                 break;
1449
1450         case CMD_802_11_GET_STAT:
1451                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1452                 break;
1453
1454         case CMD_802_11_SNMP_MIB:
1455                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1456                                                cmd_action, cmd_oid, pdata_buf);
1457                 break;
1458
1459         case CMD_MAC_REG_ACCESS:
1460         case CMD_BBP_REG_ACCESS:
1461         case CMD_RF_REG_ACCESS:
1462                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1463                 break;
1464
1465         case CMD_802_11_RF_TX_POWER:
1466                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1467                                                   cmd_action, pdata_buf);
1468                 break;
1469
1470         case CMD_802_11_RADIO_CONTROL:
1471                 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1472                 break;
1473
1474         case CMD_802_11_RATE_ADAPT_RATESET:
1475                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1476                                                          cmdptr, cmd_action);
1477                 break;
1478
1479         case CMD_MAC_MULTICAST_ADR:
1480                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1481                 break;
1482
1483         case CMD_802_11_MONITOR_MODE:
1484                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1485                                           cmd_action, pdata_buf);
1486                 break;
1487
1488         case CMD_802_11_AD_HOC_JOIN:
1489                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1490                 break;
1491
1492         case CMD_802_11_RSSI:
1493                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1494                 break;
1495
1496         case CMD_802_11_AD_HOC_STOP:
1497                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1498                 break;
1499
1500         case CMD_802_11_ENABLE_RSN:
1501                 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1502                                 pdata_buf);
1503                 break;
1504
1505         case CMD_802_11_KEY_MATERIAL:
1506                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1507                                 cmd_oid, pdata_buf);
1508                 break;
1509
1510         case CMD_802_11_PAIRWISE_TSC:
1511                 break;
1512         case CMD_802_11_GROUP_TSC:
1513                 break;
1514
1515         case CMD_802_11_MAC_ADDRESS:
1516                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1517                 break;
1518
1519         case CMD_802_11_EEPROM_ACCESS:
1520                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1521                                                     cmd_action, pdata_buf);
1522                 break;
1523
1524         case CMD_802_11_SET_AFC:
1525         case CMD_802_11_GET_AFC:
1526
1527                 cmdptr->command = cpu_to_le16(cmd_no);
1528                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1529                                            S_DS_GEN);
1530
1531                 memmove(&cmdptr->params.afc,
1532                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1533
1534                 ret = 0;
1535                 goto done;
1536
1537         case CMD_802_11D_DOMAIN_INFO:
1538                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1539                                                    cmd_no, cmd_action);
1540                 break;
1541
1542         case CMD_802_11_SLEEP_PARAMS:
1543                 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1544                 break;
1545         case CMD_802_11_INACTIVITY_TIMEOUT:
1546                 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1547                                                          cmd_action, pdata_buf);
1548                 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1549                 break;
1550
1551         case CMD_802_11_TPC_CFG:
1552                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1553                 cmdptr->size =
1554                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1555                                      S_DS_GEN);
1556
1557                 memmove(&cmdptr->params.tpccfg,
1558                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1559
1560                 ret = 0;
1561                 break;
1562         case CMD_802_11_LED_GPIO_CTRL:
1563                 {
1564                         struct mrvlietypes_ledgpio *gpio =
1565                             (struct mrvlietypes_ledgpio*)
1566                             cmdptr->params.ledgpio.data;
1567
1568                         memmove(&cmdptr->params.ledgpio,
1569                                 pdata_buf,
1570                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1571
1572                         cmdptr->command =
1573                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1574
1575 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1576                         cmdptr->size =
1577                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1578                                 + S_DS_GEN
1579                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1580                         gpio->header.len = gpio->header.len;
1581
1582                         ret = 0;
1583                         break;
1584                 }
1585         case CMD_802_11_SUBSCRIBE_EVENT:
1586                 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1587                         cmd_action, pdata_buf);
1588                 break;
1589         case CMD_802_11_PWR_CFG:
1590                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1591                 cmdptr->size =
1592                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1593                                      S_DS_GEN);
1594                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1595                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1596
1597                 ret = 0;
1598                 break;
1599         case CMD_BT_ACCESS:
1600                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1601                 break;
1602
1603         case CMD_FWT_ACCESS:
1604                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1605                 break;
1606
1607         case CMD_GET_TSF:
1608                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1609                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1610                                            S_DS_GEN);
1611                 ret = 0;
1612                 break;
1613         case CMD_802_11_BEACON_CTRL:
1614                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1615                 break;
1616         default:
1617                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1618                 ret = -1;
1619                 break;
1620         }
1621
1622         /* return error, since the command preparation failed */
1623         if (ret != 0) {
1624                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1625                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1626                 ret = -1;
1627                 goto done;
1628         }
1629
1630         cmdnode->cmdwaitqwoken = 0;
1631
1632         lbs_queue_cmd(priv, cmdnode);
1633         wake_up_interruptible(&priv->waitq);
1634
1635         if (wait_option & CMD_OPTION_WAITFORRSP) {
1636                 lbs_deb_host("PREP_CMD: wait for response\n");
1637                 might_sleep();
1638                 wait_event_interruptible(cmdnode->cmdwait_q,
1639                                          cmdnode->cmdwaitqwoken);
1640         }
1641
1642         spin_lock_irqsave(&priv->driver_lock, flags);
1643         if (priv->cur_cmd_retcode) {
1644                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1645                        priv->cur_cmd_retcode);
1646                 priv->cur_cmd_retcode = 0;
1647                 ret = -1;
1648         }
1649         spin_unlock_irqrestore(&priv->driver_lock, flags);
1650
1651 done:
1652         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1653         return ret;
1654 }
1655 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1656
1657 /**
1658  *  @brief This function allocates the command buffer and link
1659  *  it to command free queue.
1660  *
1661  *  @param priv         A pointer to struct lbs_private structure
1662  *  @return             0 or -1
1663  */
1664 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1665 {
1666         int ret = 0;
1667         u32 bufsize;
1668         u32 i;
1669         struct cmd_ctrl_node *cmdarray;
1670
1671         lbs_deb_enter(LBS_DEB_HOST);
1672
1673         /* Allocate and initialize the command array */
1674         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1675         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1676                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1677                 ret = -1;
1678                 goto done;
1679         }
1680         priv->cmd_array = cmdarray;
1681
1682         /* Allocate and initialize each command buffer in the command array */
1683         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1684                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1685                 if (!cmdarray[i].cmdbuf) {
1686                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1687                         ret = -1;
1688                         goto done;
1689                 }
1690         }
1691
1692         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1693                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1694                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1695         }
1696         ret = 0;
1697
1698 done:
1699         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1700         return ret;
1701 }
1702
1703 /**
1704  *  @brief This function frees the command buffer.
1705  *
1706  *  @param priv         A pointer to struct lbs_private structure
1707  *  @return             0 or -1
1708  */
1709 int lbs_free_cmd_buffer(struct lbs_private *priv)
1710 {
1711         struct cmd_ctrl_node *cmdarray;
1712         unsigned int i;
1713
1714         lbs_deb_enter(LBS_DEB_HOST);
1715
1716         /* need to check if cmd array is allocated or not */
1717         if (priv->cmd_array == NULL) {
1718                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1719                 goto done;
1720         }
1721
1722         cmdarray = priv->cmd_array;
1723
1724         /* Release shared memory buffers */
1725         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1726                 if (cmdarray[i].cmdbuf) {
1727                         kfree(cmdarray[i].cmdbuf);
1728                         cmdarray[i].cmdbuf = NULL;
1729                 }
1730         }
1731
1732         /* Release cmd_ctrl_node */
1733         if (priv->cmd_array) {
1734                 kfree(priv->cmd_array);
1735                 priv->cmd_array = NULL;
1736         }
1737
1738 done:
1739         lbs_deb_leave(LBS_DEB_HOST);
1740         return 0;
1741 }
1742
1743 /**
1744  *  @brief This function gets a free command node if available in
1745  *  command free queue.
1746  *
1747  *  @param priv         A pointer to struct lbs_private structure
1748  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1749  */
1750 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1751 {
1752         struct cmd_ctrl_node *tempnode;
1753         unsigned long flags;
1754
1755         lbs_deb_enter(LBS_DEB_HOST);
1756
1757         if (!priv)
1758                 return NULL;
1759
1760         spin_lock_irqsave(&priv->driver_lock, flags);
1761
1762         if (!list_empty(&priv->cmdfreeq)) {
1763                 tempnode = list_first_entry(&priv->cmdfreeq,
1764                                             struct cmd_ctrl_node, list);
1765                 list_del(&tempnode->list);
1766         } else {
1767                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1768                 tempnode = NULL;
1769         }
1770
1771         spin_unlock_irqrestore(&priv->driver_lock, flags);
1772
1773         lbs_deb_leave(LBS_DEB_HOST);
1774         return tempnode;
1775 }
1776
1777 /**
1778  *  @brief This function cleans command node.
1779  *
1780  *  @param ptempnode    A pointer to cmdCtrlNode structure
1781  *  @return             n/a
1782  */
1783
1784 /**
1785  *  @brief This function initializes the command node.
1786  *
1787  *  @param priv         A pointer to struct lbs_private structure
1788  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1789  *  @param pdata_buf    A pointer to informaion buffer
1790  *  @return             0 or -1
1791  */
1792 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1793                                   struct cmd_ctrl_node *ptempnode,
1794                                   void *pdata_buf)
1795 {
1796         lbs_deb_enter(LBS_DEB_HOST);
1797
1798         if (!ptempnode)
1799                 return;
1800
1801         ptempnode->callback = NULL;
1802         ptempnode->callback_arg = (unsigned long)pdata_buf;
1803
1804         lbs_deb_leave(LBS_DEB_HOST);
1805 }
1806
1807 /**
1808  *  @brief This function executes next command in command
1809  *  pending queue. It will put fimware back to PS mode
1810  *  if applicable.
1811  *
1812  *  @param priv     A pointer to struct lbs_private structure
1813  *  @return        0 or -1
1814  */
1815 int lbs_execute_next_command(struct lbs_private *priv)
1816 {
1817         struct cmd_ctrl_node *cmdnode = NULL;
1818         struct cmd_header *cmd;
1819         unsigned long flags;
1820         int ret = 0;
1821
1822         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1823         // only caller to us is lbs_thread() and we get even when a
1824         // data packet is received
1825         lbs_deb_enter(LBS_DEB_THREAD);
1826
1827         spin_lock_irqsave(&priv->driver_lock, flags);
1828
1829         if (priv->cur_cmd) {
1830                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1831                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1832                 ret = -1;
1833                 goto done;
1834         }
1835
1836         if (!list_empty(&priv->cmdpendingq)) {
1837                 cmdnode = list_first_entry(&priv->cmdpendingq,
1838                                            struct cmd_ctrl_node, list);
1839         }
1840
1841         spin_unlock_irqrestore(&priv->driver_lock, flags);
1842
1843         if (cmdnode) {
1844                 cmd = cmdnode->cmdbuf;
1845
1846                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1847                         if ((priv->psstate == PS_STATE_SLEEP) ||
1848                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1849                                 lbs_deb_host(
1850                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1851                                        le16_to_cpu(cmd->command),
1852                                        priv->psstate);
1853                                 ret = -1;
1854                                 goto done;
1855                         }
1856                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1857                                      "0x%04x in psstate %d\n",
1858                                      le16_to_cpu(cmd->command), priv->psstate);
1859                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1860                         /*
1861                          * 1. Non-PS command:
1862                          * Queue it. set needtowakeup to TRUE if current state
1863                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1864                          * 2. PS command but not Exit_PS:
1865                          * Ignore it.
1866                          * 3. PS command Exit_PS:
1867                          * Set needtowakeup to TRUE if current state is SLEEP,
1868                          * otherwise send this command down to firmware
1869                          * immediately.
1870                          */
1871                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1872                                 /*  Prepare to send Exit PS,
1873                                  *  this non PS command will be sent later */
1874                                 if ((priv->psstate == PS_STATE_SLEEP)
1875                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1876                                     ) {
1877                                         /* w/ new scheme, it will not reach here.
1878                                            since it is blocked in main_thread. */
1879                                         priv->needtowakeup = 1;
1880                                 } else
1881                                         lbs_ps_wakeup(priv, 0);
1882
1883                                 ret = 0;
1884                                 goto done;
1885                         } else {
1886                                 /*
1887                                  * PS command. Ignore it if it is not Exit_PS.
1888                                  * otherwise send it down immediately.
1889                                  */
1890                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1891
1892                                 lbs_deb_host(
1893                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1894                                        psm->action);
1895                                 if (psm->action !=
1896                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1897                                         lbs_deb_host(
1898                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1899                                         list_del(&cmdnode->list);
1900                                         spin_lock_irqsave(&priv->driver_lock, flags);
1901                                         lbs_complete_command(priv, cmdnode, 0);
1902                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1903
1904                                         ret = 0;
1905                                         goto done;
1906                                 }
1907
1908                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1909                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1910                                         lbs_deb_host(
1911                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1912                                         list_del(&cmdnode->list);
1913                                         spin_lock_irqsave(&priv->driver_lock, flags);
1914                                         lbs_complete_command(priv, cmdnode, 0);
1915                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1916                                         priv->needtowakeup = 1;
1917
1918                                         ret = 0;
1919                                         goto done;
1920                                 }
1921
1922                                 lbs_deb_host(
1923                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1924                         }
1925                 }
1926                 list_del(&cmdnode->list);
1927                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1928                             le16_to_cpu(cmd->command));
1929                 lbs_submit_command(priv, cmdnode);
1930         } else {
1931                 /*
1932                  * check if in power save mode, if yes, put the device back
1933                  * to PS mode
1934                  */
1935                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1936                     (priv->psstate == PS_STATE_FULL_POWER) &&
1937                     ((priv->connect_status == LBS_CONNECTED) ||
1938                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1939                         if (priv->secinfo.WPAenabled ||
1940                             priv->secinfo.WPA2enabled) {
1941                                 /* check for valid WPA group keys */
1942                                 if (priv->wpa_mcast_key.len ||
1943                                     priv->wpa_unicast_key.len) {
1944                                         lbs_deb_host(
1945                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1946                                                " go back to PS_SLEEP");
1947                                         lbs_ps_sleep(priv, 0);
1948                                 }
1949                         } else {
1950                                 lbs_deb_host(
1951                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1952                                        "go back to PS_SLEEP");
1953                                 lbs_ps_sleep(priv, 0);
1954                         }
1955                 }
1956         }
1957
1958         ret = 0;
1959 done:
1960         lbs_deb_leave(LBS_DEB_THREAD);
1961         return ret;
1962 }
1963
1964 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1965 {
1966         union iwreq_data iwrq;
1967         u8 buf[50];
1968
1969         lbs_deb_enter(LBS_DEB_WEXT);
1970
1971         memset(&iwrq, 0, sizeof(union iwreq_data));
1972         memset(buf, 0, sizeof(buf));
1973
1974         snprintf(buf, sizeof(buf) - 1, "%s", str);
1975
1976         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1977
1978         /* Send Event to upper layer */
1979         lbs_deb_wext("event indication string %s\n", (char *)buf);
1980         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1981         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1982
1983         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1984
1985         lbs_deb_leave(LBS_DEB_WEXT);
1986 }
1987
1988 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1989 {
1990         unsigned long flags;
1991         int ret = 0;
1992
1993         lbs_deb_enter(LBS_DEB_HOST);
1994
1995         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1996                size);
1997
1998         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1999
2000         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2001
2002         spin_lock_irqsave(&priv->driver_lock, flags);
2003         if (priv->intcounter || priv->currenttxskb)
2004                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2005                        priv->intcounter, priv->currenttxskb);
2006         spin_unlock_irqrestore(&priv->driver_lock, flags);
2007
2008         if (ret) {
2009                 lbs_pr_alert(
2010                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2011         } else {
2012                 spin_lock_irqsave(&priv->driver_lock, flags);
2013                 if (!priv->intcounter) {
2014                         priv->psstate = PS_STATE_SLEEP;
2015                 } else {
2016                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2017                                priv->intcounter);
2018                 }
2019                 spin_unlock_irqrestore(&priv->driver_lock, flags);
2020
2021                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2022         }
2023
2024         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2025         return ret;
2026 }
2027
2028 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2029 {
2030         lbs_deb_enter(LBS_DEB_HOST);
2031
2032         /*
2033          * PS is currently supported only in Infrastructure mode
2034          * Remove this check if it is to be supported in IBSS mode also
2035          */
2036
2037         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2038                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2039
2040         lbs_deb_leave(LBS_DEB_HOST);
2041 }
2042
2043 /**
2044  *  @brief This function sends Exit_PS command to firmware.
2045  *
2046  *  @param priv         A pointer to struct lbs_private structure
2047  *  @param wait_option  wait response or not
2048  *  @return             n/a
2049  */
2050 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2051 {
2052         __le32 Localpsmode;
2053
2054         lbs_deb_enter(LBS_DEB_HOST);
2055
2056         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2057
2058         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2059                               CMD_SUBCMD_EXIT_PS,
2060                               wait_option, 0, &Localpsmode);
2061
2062         lbs_deb_leave(LBS_DEB_HOST);
2063 }
2064
2065 /**
2066  *  @brief This function checks condition and prepares to
2067  *  send sleep confirm command to firmware if ok.
2068  *
2069  *  @param priv         A pointer to struct lbs_private structure
2070  *  @param psmode       Power Saving mode
2071  *  @return             n/a
2072  */
2073 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2074 {
2075         unsigned long flags =0;
2076         u8 allowed = 1;
2077
2078         lbs_deb_enter(LBS_DEB_HOST);
2079
2080         if (priv->dnld_sent) {
2081                 allowed = 0;
2082                 lbs_deb_host("dnld_sent was set\n");
2083         }
2084
2085         spin_lock_irqsave(&priv->driver_lock, flags);
2086         if (priv->cur_cmd) {
2087                 allowed = 0;
2088                 lbs_deb_host("cur_cmd was set\n");
2089         }
2090         if (priv->intcounter > 0) {
2091                 allowed = 0;
2092                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2093         }
2094         spin_unlock_irqrestore(&priv->driver_lock, flags);
2095
2096         if (allowed) {
2097                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2098                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2099                                  sizeof(struct PS_CMD_ConfirmSleep));
2100         } else {
2101                 lbs_deb_host("sleep confirm has been delayed\n");
2102         }
2103
2104         lbs_deb_leave(LBS_DEB_HOST);
2105 }
2106
2107
2108 /**
2109  *  @brief Simple callback that copies response back into command
2110  *
2111  *  @param priv         A pointer to struct lbs_private structure
2112  *  @param extra        A pointer to the original command structure for which
2113  *                      'resp' is a response
2114  *  @param resp         A pointer to the command response
2115  *
2116  *  @return             0 on success, error on failure
2117  */
2118 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2119                      struct cmd_header *resp)
2120 {
2121         struct cmd_header *buf = (void *)extra;
2122         uint16_t copy_len;
2123
2124         lbs_deb_enter(LBS_DEB_CMD);
2125
2126         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2127         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2128                     "copy back buffer was %u bytes\n", copy_len,
2129                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2130         memcpy(buf, resp, copy_len);
2131
2132         lbs_deb_leave(LBS_DEB_CMD);
2133         return 0;
2134 }
2135 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2136
2137 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2138                                       struct cmd_header *in_cmd, int in_cmd_size,
2139                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2140                                       unsigned long callback_arg)
2141 {
2142         struct cmd_ctrl_node *cmdnode;
2143
2144         lbs_deb_enter(LBS_DEB_HOST);
2145
2146         if (priv->surpriseremoved) {
2147                 lbs_deb_host("PREP_CMD: card removed\n");
2148                 cmdnode = ERR_PTR(-ENOENT);
2149                 goto done;
2150         }
2151
2152         cmdnode = lbs_get_cmd_ctrl_node(priv);
2153         if (cmdnode == NULL) {
2154                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2155
2156                 /* Wake up main thread to execute next command */
2157                 wake_up_interruptible(&priv->waitq);
2158                 cmdnode = ERR_PTR(-ENOBUFS);
2159                 goto done;
2160         }
2161
2162         cmdnode->callback = callback;
2163         cmdnode->callback_arg = callback_arg;
2164
2165         /* Copy the incoming command to the buffer */
2166         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2167
2168         /* Set sequence number, clean result, move to buffer */
2169         priv->seqnum++;
2170         cmdnode->cmdbuf->command = cpu_to_le16(command);
2171         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2172         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2173         cmdnode->cmdbuf->result  = 0;
2174
2175         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2176
2177         /* here was the big old switch() statement, which is now obsolete,
2178          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2179
2180         cmdnode->cmdwaitqwoken = 0;
2181         lbs_queue_cmd(priv, cmdnode);
2182         wake_up_interruptible(&priv->waitq);
2183
2184  done:
2185         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2186         return cmdnode;
2187 }
2188
2189 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2190               struct cmd_header *in_cmd, int in_cmd_size,
2191               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2192               unsigned long callback_arg)
2193 {
2194         struct cmd_ctrl_node *cmdnode;
2195         unsigned long flags;
2196         int ret = 0;
2197
2198         lbs_deb_enter(LBS_DEB_HOST);
2199
2200         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2201                                   callback, callback_arg);
2202         if (IS_ERR(cmdnode)) {
2203                 ret = PTR_ERR(cmdnode);
2204                 goto done;
2205         }
2206
2207         might_sleep();
2208         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2209
2210         spin_lock_irqsave(&priv->driver_lock, flags);
2211         ret = cmdnode->result;
2212         if (ret)
2213                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2214                             command, ret);
2215
2216         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2217         spin_unlock_irqrestore(&priv->driver_lock, flags);
2218
2219 done:
2220         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2221         return ret;
2222 }
2223 EXPORT_SYMBOL_GPL(__lbs_cmd);
2224
2225