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
  64         /* The firmware release is in an interesting format: the patch
  65          * level is in the most significant nibble ... so fix that: */
  66         priv->fwrelease = le32_to_cpu(cmd.fwrelease);
  67         priv->fwrelease = (priv->fwrelease << 8) |
  68                 (priv->fwrelease >> 24 & 0xff);
  69
  70         /* Some firmware capabilities:
  71          * CF card    firmware 5.0.16p0:   cap 0x00000303
  72          * USB dongle firmware 5.110.17p2: cap 0x00000303
  73          */
  74         printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
  75                 print_mac(mac, cmd.permanentaddr),
  76                 priv->fwrelease >> 24 & 0xff,
  77                 priv->fwrelease >> 16 & 0xff,
  78                 priv->fwrelease >>  8 & 0xff,
  79                 priv->fwrelease       & 0xff,
  80                 priv->fwcapinfo);
  81         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
  82                     cmd.hwifversion, cmd.version);
  83
  84         /* Clamp region code to 8-bit since FW spec indicates that it should
  85          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
  86          * returns non-zero high 8 bits here.
  87          */
  88         priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
  89
  90         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
  91                 /* use the region code to search for the index */
  92                 if (priv->regioncode == lbs_region_code_to_index[i])
  93                         break;
  94         }
  95
  96         /* if it's unidentified region code, use the default (USA) */
  97         if (i >= MRVDRV_MAX_REGION_CODE) {
  98                 priv->regioncode = 0x10;
  99                 lbs_pr_info("unidentified region code; using the default (USA)\n");
 100         }
 101
 102         if (priv->current_addr[0] == 0xff)
 103                 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
 104
 105         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
 106         if (priv->mesh_dev)
 107                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
 108
 109         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 110                 ret = -1;
 111                 goto out;
 112         }
 113
 114         if (lbs_set_universaltable(priv, 0)) {
 115                 ret = -1;
 116                 goto out;
 117         }
 118
 119 out:
 120         lbs_deb_leave(LBS_DEB_CMD);
 121         return ret;
 122 }
 123
 124 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 125 {
 126         struct cmd_ds_host_sleep cmd_config;
 127         int ret;
 128
 129         cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
 130         cmd_config.criteria = cpu_to_le32(criteria);
 131         cmd_config.gpio = priv->wol_gpio;
 132         cmd_config.gap = priv->wol_gap;
 133
 134         ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
 135         if (!ret) {
 136                 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
 137                 priv->wol_criteria = criteria;
 138         } else {
 139                 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
 140         }
 141
 142         return ret;
 143 }
 144 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 145
 146 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 147                                    struct cmd_ds_command *cmd,
 148                                    u16 cmd_action)
 149 {
 150         struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
 151
 152         lbs_deb_enter(LBS_DEB_CMD);
 153
 154         cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
 155         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
 156                                 S_DS_GEN);
 157         psm->action = cpu_to_le16(cmd_action);
 158         psm->multipledtim = 0;
 159         switch (cmd_action) {
 160         case CMD_SUBCMD_ENTER_PS:
 161                 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
 162
 163                 psm->locallisteninterval = 0;
 164                 psm->nullpktinterval = 0;
 165                 psm->multipledtim =
 166                     cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
 167                 break;
 168
 169         case CMD_SUBCMD_EXIT_PS:
 170                 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
 171                 break;
 172
 173         case CMD_SUBCMD_SLEEP_CONFIRMED:
 174                 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
 175                 break;
 176
 177         default:
 178                 break;
 179         }
 180
 181         lbs_deb_leave(LBS_DEB_CMD);
 182         return 0;
 183 }
 184
 185 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
 186                                       uint16_t cmd_action, uint16_t *timeout)
 187 {
 188         struct cmd_ds_802_11_inactivity_timeout cmd;
 189         int ret;
 190
 191         lbs_deb_enter(LBS_DEB_CMD);
 192
 193         cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
 194         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 195
 196         cmd.action = cpu_to_le16(cmd_action);
 197
 198         if (cmd_action == CMD_ACT_SET)
 199                 cmd.timeout = cpu_to_le16(*timeout);
 200         else
 201                 cmd.timeout = 0;
 202
 203         ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
 204
 205         if (!ret)
 206                 *timeout = le16_to_cpu(cmd.timeout);
 207
 208         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 209         return 0;
 210 }
 211
 212 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
 213                                 struct sleep_params *sp)
 214 {
 215         struct cmd_ds_802_11_sleep_params cmd;
 216         int ret;
 217
 218         lbs_deb_enter(LBS_DEB_CMD);
 219
 220         if (cmd_action == CMD_ACT_GET) {
 221                 memset(&cmd, 0, sizeof(cmd));
 222         } else {
 223                 cmd.error = cpu_to_le16(sp->sp_error);
 224                 cmd.offset = cpu_to_le16(sp->sp_offset);
 225                 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
 226                 cmd.calcontrol = sp->sp_calcontrol;
 227                 cmd.externalsleepclk = sp->sp_extsleepclk;
 228                 cmd.reserved = cpu_to_le16(sp->sp_reserved);
 229         }
 230         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 231         cmd.action = cpu_to_le16(cmd_action);
 232
 233         ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
 234
 235         if (!ret) {
 236                 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
 237                             "calcontrol 0x%x extsleepclk 0x%x\n",
 238                             le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
 239                             le16_to_cpu(cmd.stabletime), cmd.calcontrol,
 240                             cmd.externalsleepclk);
 241
 242                 sp->sp_error = le16_to_cpu(cmd.error);
 243                 sp->sp_offset = le16_to_cpu(cmd.offset);
 244                 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
 245                 sp->sp_calcontrol = cmd.calcontrol;
 246                 sp->sp_extsleepclk = cmd.externalsleepclk;
 247                 sp->sp_reserved = le16_to_cpu(cmd.reserved);
 248         }
 249
 250         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 251         return 0;
 252 }
 253
 254 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 255                            struct assoc_request *assoc)
 256 {
 257         struct cmd_ds_802_11_set_wep cmd;
 258         int ret = 0;
 259
 260         lbs_deb_enter(LBS_DEB_CMD);
 261
 262         cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
 263         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 264
 265         cmd.action = cpu_to_le16(cmd_action);
 266
 267         if (cmd_action == CMD_ACT_ADD) {
 268                 int i;
 269
 270                 /* default tx key index */
 271                 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
 272                                            CMD_WEP_KEY_INDEX_MASK);
 273
 274                 /* Copy key types and material to host command structure */
 275                 for (i = 0; i < 4; i++) {
 276                         struct enc_key *pkey = &assoc->wep_keys[i];
 277
 278                         switch (pkey->len) {
 279                         case KEY_LEN_WEP_40:
 280                                 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
 281                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 282                                 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 283                                 break;
 284                         case KEY_LEN_WEP_104:
 285                                 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
 286                                 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 287                                 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 288                                 break;
 289                         case 0:
 290                                 break;
 291                         default:
 292                                 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
 293                                             i, pkey->len);
 294                                 ret = -1;
 295                                 goto done;
 296                                 break;
 297                         }
 298                 }
 299         } else if (cmd_action == CMD_ACT_REMOVE) {
 300                 /* ACT_REMOVE clears _all_ WEP keys */
 301
 302                 /* default tx key index */
 303                 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
 304                                            CMD_WEP_KEY_INDEX_MASK);
 305                 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 306         }
 307
 308         ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 309 done:
 310         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 311         return ret;
 312 }
 313
 314 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 315                               uint16_t *enable)
 316 {
 317         struct cmd_ds_802_11_enable_rsn cmd;
 318         int ret;
 319
 320         lbs_deb_enter(LBS_DEB_CMD);
 321
 322         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 323         cmd.action = cpu_to_le16(cmd_action);
 324
 325         if (cmd_action == CMD_ACT_SET) {
 326                 if (*enable)
 327                         cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 328                 else
 329                         cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 330                 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 331         }
 332
 333         ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
 334         if (!ret && cmd_action == CMD_ACT_GET)
 335                 *enable = le16_to_cpu(cmd.enable);
 336
 337         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 338         return ret;
 339 }
 340
 341 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
 342                             struct enc_key * pkey)
 343 {
 344         lbs_deb_enter(LBS_DEB_CMD);
 345
 346         if (pkey->flags & KEY_INFO_WPA_ENABLED) {
 347                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
 348         }
 349         if (pkey->flags & KEY_INFO_WPA_UNICAST) {
 350                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
 351         }
 352         if (pkey->flags & KEY_INFO_WPA_MCAST) {
 353                 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 354         }
 355
 356         pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
 357         pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
 358         pkeyparamset->keylen = cpu_to_le16(pkey->len);
 359         memcpy(pkeyparamset->key, pkey->key, pkey->len);
 360         pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
 361                                                 + sizeof(pkeyparamset->keyinfo)
 362                                                 + sizeof(pkeyparamset->keylen)
 363                                                 + sizeof(pkeyparamset->key));
 364         lbs_deb_leave(LBS_DEB_CMD);
 365 }
 366
 367 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
 368                                         struct cmd_ds_command *cmd,
 369                                         u16 cmd_action,
 370                                         u32 cmd_oid, void *pdata_buf)
 371 {
 372         struct cmd_ds_802_11_key_material *pkeymaterial =
 373             &cmd->params.keymaterial;
 374         struct assoc_request * assoc_req = pdata_buf;
 375         int ret = 0;
 376         int index = 0;
 377
 378         lbs_deb_enter(LBS_DEB_CMD);
 379
 380         cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
 381         pkeymaterial->action = cpu_to_le16(cmd_action);
 382
 383         if (cmd_action == CMD_ACT_GET) {
 384                 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
 385                 ret = 0;
 386                 goto done;
 387         }
 388
 389         memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
 390
 391         if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 392                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 393                                 &assoc_req->wpa_unicast_key);
 394                 index++;
 395         }
 396
 397         if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 398                 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
 399                                 &assoc_req->wpa_mcast_key);
 400                 index++;
 401         }
 402
 403         cmd->size = cpu_to_le16(  S_DS_GEN
 404                                 + sizeof (pkeymaterial->action)
 405                                 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
 406
 407         ret = 0;
 408
 409 done:
 410         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 411         return ret;
 412 }
 413
 414 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 415                                  struct cmd_ds_command *cmd, int cmd_action)
 416 {
 417         struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 418
 419         lbs_deb_enter(LBS_DEB_CMD);
 420
 421         cmd->command = cpu_to_le16(CMD_802_11_RESET);
 422         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
 423         reset->action = cpu_to_le16(cmd_action);
 424
 425         lbs_deb_leave(LBS_DEB_CMD);
 426         return 0;
 427 }
 428
 429 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
 430                                    struct cmd_ds_command *cmd)
 431 {
 432         lbs_deb_enter(LBS_DEB_CMD);
 433         cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
 434         cmd->size =
 435                 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
 436
 437         lbs_deb_leave(LBS_DEB_CMD);
 438         return 0;
 439 }
 440
 441 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
 442                                     struct cmd_ds_command *cmd)
 443 {
 444         lbs_deb_enter(LBS_DEB_CMD);
 445         cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
 446         cmd->size =
 447             cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
 448
 449         lbs_deb_leave(LBS_DEB_CMD);
 450         return 0;
 451 }
 452
 453 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 454                                     struct cmd_ds_command *cmd,
 455                                     int cmd_action,
 456                                     int cmd_oid, void *pdata_buf)
 457 {
 458         struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
 459         u8 ucTemp;
 460
 461         lbs_deb_enter(LBS_DEB_CMD);
 462
 463         lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
 464
 465         cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
 466         cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
 467
 468         switch (cmd_oid) {
 469         case OID_802_11_INFRASTRUCTURE_MODE:
 470         {
 471                 u8 mode = (u8) (size_t) pdata_buf;
 472                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 473                 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
 474                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
 475                 if (mode == IW_MODE_ADHOC) {
 476                         ucTemp = SNMP_MIB_VALUE_ADHOC;
 477                 } else {
 478                         /* Infra and Auto modes */
 479                         ucTemp = SNMP_MIB_VALUE_INFRA;
 480                 }
 481
 482                 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
 483
 484                 break;
 485         }
 486
 487         case OID_802_11D_ENABLE:
 488                 {
 489                         u32 ulTemp;
 490
 491                         pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
 492
 493                         if (cmd_action == CMD_ACT_SET) {
 494                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 495                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 496                                 ulTemp = *(u32 *)pdata_buf;
 497                                 *((__le16 *)(pSNMPMIB->value)) =
 498                                     cpu_to_le16((u16) ulTemp);
 499                         }
 500                         break;
 501                 }
 502
 503         case OID_802_11_FRAGMENTATION_THRESHOLD:
 504                 {
 505                         u32 ulTemp;
 506
 507                         pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
 508
 509                         if (cmd_action == CMD_ACT_GET) {
 510                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 511                         } else if (cmd_action == CMD_ACT_SET) {
 512                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 513                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 514                                 ulTemp = *((u32 *) pdata_buf);
 515                                 *((__le16 *)(pSNMPMIB->value)) =
 516                                     cpu_to_le16((u16) ulTemp);
 517
 518                         }
 519
 520                         break;
 521                 }
 522
 523         case OID_802_11_RTS_THRESHOLD:
 524                 {
 525
 526                         u32 ulTemp;
 527                         pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
 528
 529                         if (cmd_action == CMD_ACT_GET) {
 530                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 531                         } else if (cmd_action == CMD_ACT_SET) {
 532                                 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 533                                 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 534                                 ulTemp = *((u32 *)pdata_buf);
 535                                 *(__le16 *)(pSNMPMIB->value) =
 536                                     cpu_to_le16((u16) ulTemp);
 537
 538                         }
 539                         break;
 540                 }
 541         case OID_802_11_TX_RETRYCOUNT:
 542                 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
 543
 544                 if (cmd_action == CMD_ACT_GET) {
 545                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
 546                 } else if (cmd_action == CMD_ACT_SET) {
 547                         pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
 548                         pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
 549                         *((__le16 *)(pSNMPMIB->value)) =
 550                             cpu_to_le16((u16) priv->txretrycount);
 551                 }
 552
 553                 break;
 554         default:
 555                 break;
 556         }
 557
 558         lbs_deb_cmd(
 559                "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
 560                le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
 561                le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
 562
 563         lbs_deb_cmd(
 564                "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
 565                le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
 566                le16_to_cpu(pSNMPMIB->bufsize),
 567                le16_to_cpu(*(__le16 *) pSNMPMIB->value));
 568
 569         lbs_deb_leave(LBS_DEB_CMD);
 570         return 0;
 571 }
 572
 573 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 574                                        struct cmd_ds_command *cmd,
 575                                        u16 cmd_action, void *pdata_buf)
 576 {
 577
 578         struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
 579
 580         lbs_deb_enter(LBS_DEB_CMD);
 581
 582         cmd->size =
 583             cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
 584         cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
 585         prtp->action = cpu_to_le16(cmd_action);
 586
 587         lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
 588                     le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
 589                     le16_to_cpu(prtp->action));
 590
 591         switch (cmd_action) {
 592         case CMD_ACT_TX_POWER_OPT_GET:
 593                 prtp->action = cpu_to_le16(CMD_ACT_GET);
 594                 prtp->currentlevel = 0;
 595                 break;
 596
 597         case CMD_ACT_TX_POWER_OPT_SET_HIGH:
 598                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 599                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
 600                 break;
 601
 602         case CMD_ACT_TX_POWER_OPT_SET_MID:
 603                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 604                 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
 605                 break;
 606
 607         case CMD_ACT_TX_POWER_OPT_SET_LOW:
 608                 prtp->action = cpu_to_le16(CMD_ACT_SET);
 609                 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
 610                 break;
 611         }
 612
 613         lbs_deb_leave(LBS_DEB_CMD);
 614         return 0;
 615 }
 616
 617 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
 618                                       struct cmd_ds_command *cmd,
 619                                       u16 cmd_action, void *pdata_buf)
 620 {
 621         struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
 622
 623         cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
 624         cmd->size =
 625             cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
 626                              S_DS_GEN);
 627
 628         monitor->action = cpu_to_le16(cmd_action);
 629         if (cmd_action == CMD_ACT_SET) {
 630                 monitor->mode =
 631                     cpu_to_le16((u16) (*(u32 *) pdata_buf));
 632         }
 633
 634         return 0;
 635 }
 636
 637 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 638                                               struct cmd_ds_command *cmd,
 639                                               u16 cmd_action)
 640 {
 641         struct cmd_ds_802_11_rate_adapt_rateset
 642         *rateadapt = &cmd->params.rateset;
 643
 644         lbs_deb_enter(LBS_DEB_CMD);
 645         cmd->size =
 646             cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
 647                              + S_DS_GEN);
 648         cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
 649
 650         rateadapt->action = cpu_to_le16(cmd_action);
 651         rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
 652         rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
 653
 654         lbs_deb_leave(LBS_DEB_CMD);
 655         return 0;
 656 }
 657
 658 /**
 659  *  @brief Get the current data rate
 660  *
 661  *  @param priv         A pointer to struct lbs_private structure
 662  *
 663  *  @return             The data rate on success, error on failure
 664  */
 665 int lbs_get_data_rate(struct lbs_private *priv)
 666 {
 667         struct cmd_ds_802_11_data_rate cmd;
 668         int ret = -1;
 669
 670         lbs_deb_enter(LBS_DEB_CMD);
 671
 672         memset(&cmd, 0, sizeof(cmd));
 673         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 674         cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 675
 676         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 677         if (ret)
 678                 goto out;
 679
 680         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 681
 682         ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
 683         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
 684
 685 out:
 686         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 687         return ret;
 688 }
 689
 690 /**
 691  *  @brief Set the data rate
 692  *
 693  *  @param priv         A pointer to struct lbs_private structure
 694  *  @param rate         The desired data rate, or 0 to clear a locked rate
 695  *
 696  *  @return             0 on success, error on failure
 697  */
 698 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 699 {
 700         struct cmd_ds_802_11_data_rate cmd;
 701         int ret = 0;
 702
 703         lbs_deb_enter(LBS_DEB_CMD);
 704
 705         memset(&cmd, 0, sizeof(cmd));
 706         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 707
 708         if (rate > 0) {
 709                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
 710                 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
 711                 if (cmd.rates[0] == 0) {
 712                         lbs_deb_cmd("DATA_RATE: invalid requested rate of"
 713                                     " 0x%02X\n", rate);
 714                         ret = 0;
 715                         goto out;
 716                 }
 717                 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
 718         } else {
 719                 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
 720                 lbs_deb_cmd("DATA_RATE: setting auto\n");
 721         }
 722
 723         ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 724         if (ret)
 725                 goto out;
 726
 727         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
 728
 729         /* FIXME: get actual rates FW can do if this command actually returns
 730          * all data rates supported.
 731          */
 732         priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
 733         lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
 734
 735 out:
 736         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 737         return ret;
 738 }
 739
 740 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
 741                                       struct cmd_ds_command *cmd,
 742                                       u16 cmd_action)
 743 {
 744         struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
 745
 746         lbs_deb_enter(LBS_DEB_CMD);
 747         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
 748                              S_DS_GEN);
 749         cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
 750
 751         lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
 752         pMCastAdr->action = cpu_to_le16(cmd_action);
 753         pMCastAdr->nr_of_adrs =
 754             cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
 755         memcpy(pMCastAdr->maclist, priv->multicastlist,
 756                priv->nr_of_multicastmacaddr * ETH_ALEN);
 757
 758         lbs_deb_leave(LBS_DEB_CMD);
 759         return 0;
 760 }
 761
 762 /**
 763  *  @brief Get the radio channel
 764  *
 765  *  @param priv         A pointer to struct lbs_private structure
 766  *
 767  *  @return             The channel on success, error on failure
 768  */
 769 int lbs_get_channel(struct lbs_private *priv)
 770 {
 771         struct cmd_ds_802_11_rf_channel cmd;
 772         int ret = 0;
 773
 774         lbs_deb_enter(LBS_DEB_CMD);
 775
 776         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 777         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 778
 779         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 780         if (ret)
 781                 goto out;
 782
 783         ret = le16_to_cpu(cmd.channel);
 784         lbs_deb_cmd("current radio channel is %d\n", ret);
 785
 786 out:
 787         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 788         return ret;
 789 }
 790
 791 /**
 792  *  @brief Set the radio channel
 793  *
 794  *  @param priv         A pointer to struct lbs_private structure
 795  *  @param channel      The desired channel, or 0 to clear a locked channel
 796  *
 797  *  @return             0 on success, error on failure
 798  */
 799 int lbs_set_channel(struct lbs_private *priv, u8 channel)
 800 {
 801         struct cmd_ds_802_11_rf_channel cmd;
 802         u8 old_channel = priv->curbssparams.channel;
 803         int ret = 0;
 804
 805         lbs_deb_enter(LBS_DEB_CMD);
 806
 807         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 808         cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 809         cmd.channel = cpu_to_le16(channel);
 810
 811         ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 812         if (ret)
 813                 goto out;
 814
 815         priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
 816         lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
 817                 priv->curbssparams.channel);
 818
 819 out:
 820         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 821         return ret;
 822 }
 823
 824 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 825                                 struct cmd_ds_command *cmd)
 826 {
 827
 828         lbs_deb_enter(LBS_DEB_CMD);
 829         cmd->command = cpu_to_le16(CMD_802_11_RSSI);
 830         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
 831         cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
 832
 833         /* reset Beacon SNR/NF/RSSI values */
 834         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
 835         priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
 836         priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
 837         priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
 838         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
 839         priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
 840
 841         lbs_deb_leave(LBS_DEB_CMD);
 842         return 0;
 843 }
 844
 845 static int lbs_cmd_reg_access(struct lbs_private *priv,
 846                                struct cmd_ds_command *cmdptr,
 847                                u8 cmd_action, void *pdata_buf)
 848 {
 849         struct lbs_offset_value *offval;
 850
 851         lbs_deb_enter(LBS_DEB_CMD);
 852
 853         offval = (struct lbs_offset_value *)pdata_buf;
 854
 855         switch (le16_to_cpu(cmdptr->command)) {
 856         case CMD_MAC_REG_ACCESS:
 857                 {
 858                         struct cmd_ds_mac_reg_access *macreg;
 859
 860                         cmdptr->size =
 861                             cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
 862                                         + S_DS_GEN);
 863                         macreg =
 864                             (struct cmd_ds_mac_reg_access *)&cmdptr->params.
 865                             macreg;
 866
 867                         macreg->action = cpu_to_le16(cmd_action);
 868                         macreg->offset = cpu_to_le16((u16) offval->offset);
 869                         macreg->value = cpu_to_le32(offval->value);
 870
 871                         break;
 872                 }
 873
 874         case CMD_BBP_REG_ACCESS:
 875                 {
 876                         struct cmd_ds_bbp_reg_access *bbpreg;
 877
 878                         cmdptr->size =
 879                             cpu_to_le16(sizeof
 880                                              (struct cmd_ds_bbp_reg_access)
 881                                              + S_DS_GEN);
 882                         bbpreg =
 883                             (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
 884                             bbpreg;
 885
 886                         bbpreg->action = cpu_to_le16(cmd_action);
 887                         bbpreg->offset = cpu_to_le16((u16) offval->offset);
 888                         bbpreg->value = (u8) offval->value;
 889
 890                         break;
 891                 }
 892
 893         case CMD_RF_REG_ACCESS:
 894                 {
 895                         struct cmd_ds_rf_reg_access *rfreg;
 896
 897                         cmdptr->size =
 898                             cpu_to_le16(sizeof
 899                                              (struct cmd_ds_rf_reg_access) +
 900                                              S_DS_GEN);
 901                         rfreg =
 902                             (struct cmd_ds_rf_reg_access *)&cmdptr->params.
 903                             rfreg;
 904
 905                         rfreg->action = cpu_to_le16(cmd_action);
 906                         rfreg->offset = cpu_to_le16((u16) offval->offset);
 907                         rfreg->value = (u8) offval->value;
 908
 909                         break;
 910                 }
 911
 912         default:
 913                 break;
 914         }
 915
 916         lbs_deb_leave(LBS_DEB_CMD);
 917         return 0;
 918 }
 919
 920 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
 921                                        struct cmd_ds_command *cmd,
 922                                        u16 cmd_action)
 923 {
 924
 925         lbs_deb_enter(LBS_DEB_CMD);
 926         cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
 927         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
 928                              S_DS_GEN);
 929         cmd->result = 0;
 930
 931         cmd->params.macadd.action = cpu_to_le16(cmd_action);
 932
 933         if (cmd_action == CMD_ACT_SET) {
 934                 memcpy(cmd->params.macadd.macadd,
 935                        priv->current_addr, ETH_ALEN);
 936                 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
 937         }
 938
 939         lbs_deb_leave(LBS_DEB_CMD);
 940         return 0;
 941 }
 942
 943 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
 944                                          struct cmd_ds_command *cmd,
 945                                          int cmd_action, void *pdata_buf)
 946 {
 947         struct lbs_ioctl_regrdwr *ea = pdata_buf;
 948
 949         lbs_deb_enter(LBS_DEB_CMD);
 950
 951         cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
 952         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
 953                                 S_DS_GEN);
 954         cmd->result = 0;
 955
 956         cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
 957         cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
 958         cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
 959         cmd->params.rdeeprom.value = 0;
 960
 961         lbs_deb_leave(LBS_DEB_CMD);
 962         return 0;
 963 }
 964
 965 static int lbs_cmd_bt_access(struct lbs_private *priv,
 966                                struct cmd_ds_command *cmd,
 967                                u16 cmd_action, void *pdata_buf)
 968 {
 969         struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
 970         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 971
 972         cmd->command = cpu_to_le16(CMD_BT_ACCESS);
 973         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
 974         cmd->result = 0;
 975         bt_access->action = cpu_to_le16(cmd_action);
 976
 977         switch (cmd_action) {
 978         case CMD_ACT_BT_ACCESS_ADD:
 979                 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
 980                 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
 981                 break;
 982         case CMD_ACT_BT_ACCESS_DEL:
 983                 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
 984                 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
 985                 break;
 986         case CMD_ACT_BT_ACCESS_LIST:
 987                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 988                 break;
 989         case CMD_ACT_BT_ACCESS_RESET:
 990                 break;
 991         case CMD_ACT_BT_ACCESS_SET_INVERT:
 992                 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
 993                 break;
 994         case CMD_ACT_BT_ACCESS_GET_INVERT:
 995                 break;
 996         default:
 997                 break;
 998         }
 999         lbs_deb_leave(LBS_DEB_CMD);
1000         return 0;
1001 }
1002
1003 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1004                                struct cmd_ds_command *cmd,
1005                                u16 cmd_action, void *pdata_buf)
1006 {
1007         struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1008         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1009
1010         cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1011         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1012         cmd->result = 0;
1013
1014         if (pdata_buf)
1015                 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1016         else
1017                 memset(fwt_access, 0, sizeof(*fwt_access));
1018
1019         fwt_access->action = cpu_to_le16(cmd_action);
1020
1021         lbs_deb_leave(LBS_DEB_CMD);
1022         return 0;
1023 }
1024
1025 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1026                     struct cmd_ds_mesh_access *cmd)
1027 {
1028         int ret;
1029
1030         lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1031
1032         cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1033         cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1034         cmd->hdr.result = 0;
1035
1036         cmd->action = cpu_to_le16(cmd_action);
1037
1038         ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1039
1040         lbs_deb_leave(LBS_DEB_CMD);
1041         return ret;
1042 }
1043 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1044
1045 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1046 {
1047         struct cmd_ds_mesh_config cmd;
1048
1049         memset(&cmd, 0, sizeof(cmd));
1050         cmd.action = cpu_to_le16(enable);
1051         cmd.channel = cpu_to_le16(chan);
1052         cmd.type = cpu_to_le16(priv->mesh_tlv);
1053         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1054
1055         if (enable) {
1056                 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1057                 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1058         }
1059         lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1060                     enable, priv->mesh_tlv, chan,
1061                     escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1062         return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1063 }
1064
1065 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1066                                 struct cmd_ds_command *cmd,
1067                                 u16 cmd_action)
1068 {
1069         struct cmd_ds_802_11_beacon_control
1070                 *bcn_ctrl = &cmd->params.bcn_ctrl;
1071
1072         lbs_deb_enter(LBS_DEB_CMD);
1073         cmd->size =
1074             cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1075                              + S_DS_GEN);
1076         cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1077
1078         bcn_ctrl->action = cpu_to_le16(cmd_action);
1079         bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1080         bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1081
1082         lbs_deb_leave(LBS_DEB_CMD);
1083         return 0;
1084 }
1085
1086 static void lbs_queue_cmd(struct lbs_private *priv,
1087                           struct cmd_ctrl_node *cmdnode)
1088 {
1089         unsigned long flags;
1090         int addtail = 1;
1091
1092         lbs_deb_enter(LBS_DEB_HOST);
1093
1094         if (!cmdnode) {
1095                 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1096                 goto done;
1097         }
1098         if (!cmdnode->cmdbuf->size) {
1099                 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1100                 goto done;
1101         }
1102         cmdnode->result = 0;
1103
1104         /* Exit_PS command needs to be queued in the header always. */
1105         if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1106                 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1107
1108                 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1109                         if (priv->psstate != PS_STATE_FULL_POWER)
1110                                 addtail = 0;
1111                 }
1112         }
1113
1114         spin_lock_irqsave(&priv->driver_lock, flags);
1115
1116         if (addtail)
1117                 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1118         else
1119                 list_add(&cmdnode->list, &priv->cmdpendingq);
1120
1121         spin_unlock_irqrestore(&priv->driver_lock, flags);
1122
1123         lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1124                      le16_to_cpu(cmdnode->cmdbuf->command));
1125
1126 done:
1127         lbs_deb_leave(LBS_DEB_HOST);
1128 }
1129
1130 static void lbs_submit_command(struct lbs_private *priv,
1131                                struct cmd_ctrl_node *cmdnode)
1132 {
1133         unsigned long flags;
1134         struct cmd_header *cmd;
1135         uint16_t cmdsize;
1136         uint16_t command;
1137         int timeo = 5 * HZ;
1138         int ret;
1139
1140         lbs_deb_enter(LBS_DEB_HOST);
1141
1142         cmd = cmdnode->cmdbuf;
1143
1144         spin_lock_irqsave(&priv->driver_lock, flags);
1145         priv->cur_cmd = cmdnode;
1146         priv->cur_cmd_retcode = 0;
1147         spin_unlock_irqrestore(&priv->driver_lock, flags);
1148
1149         cmdsize = le16_to_cpu(cmd->size);
1150         command = le16_to_cpu(cmd->command);
1151
1152         /* These commands take longer */
1153         if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1154             command == CMD_802_11_AUTHENTICATE)
1155                 timeo = 10 * HZ;
1156
1157         lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1158                      command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1159         lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1160
1161         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1162
1163         if (ret) {
1164                 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1165                 /* Let the timer kick in and retry, and potentially reset
1166                    the whole thing if the condition persists */
1167                 timeo = HZ;
1168         } else
1169                 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1170                             command, jiffies);
1171
1172         /* Setup the timer after transmit command */
1173         mod_timer(&priv->command_timer, jiffies + timeo);
1174
1175         lbs_deb_leave(LBS_DEB_HOST);
1176 }
1177
1178 static int lbs_cmd_mac_control(struct lbs_private *priv,
1179                                 struct cmd_ds_command *cmd)
1180 {
1181         struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1182
1183         lbs_deb_enter(LBS_DEB_CMD);
1184
1185         cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1186         cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1187         mac->action = cpu_to_le16(priv->currentpacketfilter);
1188
1189         lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1190                     le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1191
1192         lbs_deb_leave(LBS_DEB_CMD);
1193         return 0;
1194 }
1195
1196 /**
1197  *  This function inserts command node to cmdfreeq
1198  *  after cleans it. Requires priv->driver_lock held.
1199  */
1200 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1201                                          struct cmd_ctrl_node *cmdnode)
1202 {
1203         lbs_deb_enter(LBS_DEB_HOST);
1204
1205         if (!cmdnode)
1206                 goto out;
1207
1208         cmdnode->callback = NULL;
1209         cmdnode->callback_arg = 0;
1210
1211         memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1212
1213         list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1214  out:
1215         lbs_deb_leave(LBS_DEB_HOST);
1216 }
1217
1218 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1219         struct cmd_ctrl_node *ptempcmd)
1220 {
1221         unsigned long flags;
1222
1223         spin_lock_irqsave(&priv->driver_lock, flags);
1224         __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1225         spin_unlock_irqrestore(&priv->driver_lock, flags);
1226 }
1227
1228 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1229                           int result)
1230 {
1231         if (cmd == priv->cur_cmd)
1232                 priv->cur_cmd_retcode = result;
1233
1234         cmd->result = result;
1235         cmd->cmdwaitqwoken = 1;
1236         wake_up_interruptible(&cmd->cmdwait_q);
1237
1238         if (!cmd->callback)
1239                 __lbs_cleanup_and_insert_cmd(priv, cmd);
1240         priv->cur_cmd = NULL;
1241 }
1242
1243 int lbs_set_radio_control(struct lbs_private *priv)
1244 {
1245         int ret = 0;
1246         struct cmd_ds_802_11_radio_control cmd;
1247
1248         lbs_deb_enter(LBS_DEB_CMD);
1249
1250         cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1251         cmd.action = cpu_to_le16(CMD_ACT_SET);
1252
1253         switch (priv->preamble) {
1254         case CMD_TYPE_SHORT_PREAMBLE:
1255                 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1256                 break;
1257
1258         case CMD_TYPE_LONG_PREAMBLE:
1259                 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1260                 break;
1261
1262         case CMD_TYPE_AUTO_PREAMBLE:
1263         default:
1264                 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1265                 break;
1266         }
1267
1268         if (priv->radioon)
1269                 cmd.control |= cpu_to_le16(TURN_ON_RF);
1270         else
1271                 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1272
1273         lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1274                     priv->preamble);
1275
1276         ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1277
1278         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1279         return ret;
1280 }
1281
1282 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1283 {
1284         int ret = 0;
1285
1286         lbs_deb_enter(LBS_DEB_CMD);
1287
1288         /* Send MAC control command to station */
1289         ret = lbs_prepare_and_send_command(priv,
1290                                     CMD_MAC_CONTROL, 0, 0, 0, NULL);
1291
1292         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1293         return ret;
1294 }
1295
1296 /**
1297  *  @brief This function prepare the command before send to firmware.
1298  *
1299  *  @param priv         A pointer to struct lbs_private structure
1300  *  @param cmd_no       command number
1301  *  @param cmd_action   command action: GET or SET
1302  *  @param wait_option  wait option: wait response or not
1303  *  @param cmd_oid      cmd oid: treated as sub command
1304  *  @param pdata_buf    A pointer to informaion buffer
1305  *  @return             0 or -1
1306  */
1307 int lbs_prepare_and_send_command(struct lbs_private *priv,
1308                           u16 cmd_no,
1309                           u16 cmd_action,
1310                           u16 wait_option, u32 cmd_oid, void *pdata_buf)
1311 {
1312         int ret = 0;
1313         struct cmd_ctrl_node *cmdnode;
1314         struct cmd_ds_command *cmdptr;
1315         unsigned long flags;
1316
1317         lbs_deb_enter(LBS_DEB_HOST);
1318
1319         if (!priv) {
1320                 lbs_deb_host("PREP_CMD: priv is NULL\n");
1321                 ret = -1;
1322                 goto done;
1323         }
1324
1325         if (priv->surpriseremoved) {
1326                 lbs_deb_host("PREP_CMD: card removed\n");
1327                 ret = -1;
1328                 goto done;
1329         }
1330
1331         cmdnode = lbs_get_cmd_ctrl_node(priv);
1332
1333         if (cmdnode == NULL) {
1334                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1335
1336                 /* Wake up main thread to execute next command */
1337                 wake_up_interruptible(&priv->waitq);
1338                 ret = -1;
1339                 goto done;
1340         }
1341
1342         lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1343
1344         cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1345
1346         lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1347
1348         /* Set sequence number, command and INT option */
1349         priv->seqnum++;
1350         cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1351
1352         cmdptr->command = cpu_to_le16(cmd_no);
1353         cmdptr->result = 0;
1354
1355         switch (cmd_no) {
1356         case CMD_802_11_PS_MODE:
1357                 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1358                 break;
1359
1360         case CMD_802_11_SCAN:
1361                 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1362                 break;
1363
1364         case CMD_MAC_CONTROL:
1365                 ret = lbs_cmd_mac_control(priv, cmdptr);
1366                 break;
1367
1368         case CMD_802_11_ASSOCIATE:
1369         case CMD_802_11_REASSOCIATE:
1370                 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1371                 break;
1372
1373         case CMD_802_11_DEAUTHENTICATE:
1374                 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1375                 break;
1376
1377         case CMD_802_11_AD_HOC_START:
1378                 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1379                 break;
1380         case CMD_CODE_DNLD:
1381                 break;
1382
1383         case CMD_802_11_RESET:
1384                 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1385                 break;
1386
1387         case CMD_802_11_GET_LOG:
1388                 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1389                 break;
1390
1391         case CMD_802_11_AUTHENTICATE:
1392                 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1393                 break;
1394
1395         case CMD_802_11_GET_STAT:
1396                 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1397                 break;
1398
1399         case CMD_802_11_SNMP_MIB:
1400                 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1401                                                cmd_action, cmd_oid, pdata_buf);
1402                 break;
1403
1404         case CMD_MAC_REG_ACCESS:
1405         case CMD_BBP_REG_ACCESS:
1406         case CMD_RF_REG_ACCESS:
1407                 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1408                 break;
1409
1410         case CMD_802_11_RF_TX_POWER:
1411                 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1412                                                   cmd_action, pdata_buf);
1413                 break;
1414
1415         case CMD_802_11_RATE_ADAPT_RATESET:
1416                 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1417                                                          cmdptr, cmd_action);
1418                 break;
1419
1420         case CMD_MAC_MULTICAST_ADR:
1421                 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1422                 break;
1423
1424         case CMD_802_11_MONITOR_MODE:
1425                 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1426                                           cmd_action, pdata_buf);
1427                 break;
1428
1429         case CMD_802_11_AD_HOC_JOIN:
1430                 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1431                 break;
1432
1433         case CMD_802_11_RSSI:
1434                 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1435                 break;
1436
1437         case CMD_802_11_AD_HOC_STOP:
1438                 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1439                 break;
1440
1441         case CMD_802_11_KEY_MATERIAL:
1442                 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1443                                 cmd_oid, pdata_buf);
1444                 break;
1445
1446         case CMD_802_11_PAIRWISE_TSC:
1447                 break;
1448         case CMD_802_11_GROUP_TSC:
1449                 break;
1450
1451         case CMD_802_11_MAC_ADDRESS:
1452                 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1453                 break;
1454
1455         case CMD_802_11_EEPROM_ACCESS:
1456                 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1457                                                     cmd_action, pdata_buf);
1458                 break;
1459
1460         case CMD_802_11_SET_AFC:
1461         case CMD_802_11_GET_AFC:
1462
1463                 cmdptr->command = cpu_to_le16(cmd_no);
1464                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1465                                            S_DS_GEN);
1466
1467                 memmove(&cmdptr->params.afc,
1468                         pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1469
1470                 ret = 0;
1471                 goto done;
1472
1473         case CMD_802_11D_DOMAIN_INFO:
1474                 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1475                                                    cmd_no, cmd_action);
1476                 break;
1477
1478         case CMD_802_11_TPC_CFG:
1479                 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1480                 cmdptr->size =
1481                     cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1482                                      S_DS_GEN);
1483
1484                 memmove(&cmdptr->params.tpccfg,
1485                         pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1486
1487                 ret = 0;
1488                 break;
1489         case CMD_802_11_LED_GPIO_CTRL:
1490                 {
1491                         struct mrvlietypes_ledgpio *gpio =
1492                             (struct mrvlietypes_ledgpio*)
1493                             cmdptr->params.ledgpio.data;
1494
1495                         memmove(&cmdptr->params.ledgpio,
1496                                 pdata_buf,
1497                                 sizeof(struct cmd_ds_802_11_led_ctrl));
1498
1499                         cmdptr->command =
1500                             cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1501
1502 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1503                         cmdptr->size =
1504                             cpu_to_le16(le16_to_cpu(gpio->header.len)
1505                                 + S_DS_GEN
1506                                 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1507                         gpio->header.len = gpio->header.len;
1508
1509                         ret = 0;
1510                         break;
1511                 }
1512
1513         case CMD_802_11_PWR_CFG:
1514                 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1515                 cmdptr->size =
1516                     cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1517                                      S_DS_GEN);
1518                 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1519                         sizeof(struct cmd_ds_802_11_pwr_cfg));
1520
1521                 ret = 0;
1522                 break;
1523         case CMD_BT_ACCESS:
1524                 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1525                 break;
1526
1527         case CMD_FWT_ACCESS:
1528                 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1529                 break;
1530
1531         case CMD_GET_TSF:
1532                 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1533                 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1534                                            S_DS_GEN);
1535                 ret = 0;
1536                 break;
1537         case CMD_802_11_BEACON_CTRL:
1538                 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1539                 break;
1540         default:
1541                 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1542                 ret = -1;
1543                 break;
1544         }
1545
1546         /* return error, since the command preparation failed */
1547         if (ret != 0) {
1548                 lbs_deb_host("PREP_CMD: command preparation failed\n");
1549                 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1550                 ret = -1;
1551                 goto done;
1552         }
1553
1554         cmdnode->cmdwaitqwoken = 0;
1555
1556         lbs_queue_cmd(priv, cmdnode);
1557         wake_up_interruptible(&priv->waitq);
1558
1559         if (wait_option & CMD_OPTION_WAITFORRSP) {
1560                 lbs_deb_host("PREP_CMD: wait for response\n");
1561                 might_sleep();
1562                 wait_event_interruptible(cmdnode->cmdwait_q,
1563                                          cmdnode->cmdwaitqwoken);
1564         }
1565
1566         spin_lock_irqsave(&priv->driver_lock, flags);
1567         if (priv->cur_cmd_retcode) {
1568                 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1569                        priv->cur_cmd_retcode);
1570                 priv->cur_cmd_retcode = 0;
1571                 ret = -1;
1572         }
1573         spin_unlock_irqrestore(&priv->driver_lock, flags);
1574
1575 done:
1576         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1577         return ret;
1578 }
1579 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1580
1581 /**
1582  *  @brief This function allocates the command buffer and link
1583  *  it to command free queue.
1584  *
1585  *  @param priv         A pointer to struct lbs_private structure
1586  *  @return             0 or -1
1587  */
1588 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1589 {
1590         int ret = 0;
1591         u32 bufsize;
1592         u32 i;
1593         struct cmd_ctrl_node *cmdarray;
1594
1595         lbs_deb_enter(LBS_DEB_HOST);
1596
1597         /* Allocate and initialize the command array */
1598         bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1599         if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1600                 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1601                 ret = -1;
1602                 goto done;
1603         }
1604         priv->cmd_array = cmdarray;
1605
1606         /* Allocate and initialize each command buffer in the command array */
1607         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1608                 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1609                 if (!cmdarray[i].cmdbuf) {
1610                         lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1611                         ret = -1;
1612                         goto done;
1613                 }
1614         }
1615
1616         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1617                 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1618                 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1619         }
1620         ret = 0;
1621
1622 done:
1623         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1624         return ret;
1625 }
1626
1627 /**
1628  *  @brief This function frees the command buffer.
1629  *
1630  *  @param priv         A pointer to struct lbs_private structure
1631  *  @return             0 or -1
1632  */
1633 int lbs_free_cmd_buffer(struct lbs_private *priv)
1634 {
1635         struct cmd_ctrl_node *cmdarray;
1636         unsigned int i;
1637
1638         lbs_deb_enter(LBS_DEB_HOST);
1639
1640         /* need to check if cmd array is allocated or not */
1641         if (priv->cmd_array == NULL) {
1642                 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1643                 goto done;
1644         }
1645
1646         cmdarray = priv->cmd_array;
1647
1648         /* Release shared memory buffers */
1649         for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1650                 if (cmdarray[i].cmdbuf) {
1651                         kfree(cmdarray[i].cmdbuf);
1652                         cmdarray[i].cmdbuf = NULL;
1653                 }
1654         }
1655
1656         /* Release cmd_ctrl_node */
1657         if (priv->cmd_array) {
1658                 kfree(priv->cmd_array);
1659                 priv->cmd_array = NULL;
1660         }
1661
1662 done:
1663         lbs_deb_leave(LBS_DEB_HOST);
1664         return 0;
1665 }
1666
1667 /**
1668  *  @brief This function gets a free command node if available in
1669  *  command free queue.
1670  *
1671  *  @param priv         A pointer to struct lbs_private structure
1672  *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1673  */
1674 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1675 {
1676         struct cmd_ctrl_node *tempnode;
1677         unsigned long flags;
1678
1679         lbs_deb_enter(LBS_DEB_HOST);
1680
1681         if (!priv)
1682                 return NULL;
1683
1684         spin_lock_irqsave(&priv->driver_lock, flags);
1685
1686         if (!list_empty(&priv->cmdfreeq)) {
1687                 tempnode = list_first_entry(&priv->cmdfreeq,
1688                                             struct cmd_ctrl_node, list);
1689                 list_del(&tempnode->list);
1690         } else {
1691                 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1692                 tempnode = NULL;
1693         }
1694
1695         spin_unlock_irqrestore(&priv->driver_lock, flags);
1696
1697         lbs_deb_leave(LBS_DEB_HOST);
1698         return tempnode;
1699 }
1700
1701 /**
1702  *  @brief This function cleans command node.
1703  *
1704  *  @param ptempnode    A pointer to cmdCtrlNode structure
1705  *  @return             n/a
1706  */
1707
1708 /**
1709  *  @brief This function initializes the command node.
1710  *
1711  *  @param priv         A pointer to struct lbs_private structure
1712  *  @param ptempnode    A pointer to cmd_ctrl_node structure
1713  *  @param pdata_buf    A pointer to informaion buffer
1714  *  @return             0 or -1
1715  */
1716 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1717                                   struct cmd_ctrl_node *ptempnode,
1718                                   void *pdata_buf)
1719 {
1720         lbs_deb_enter(LBS_DEB_HOST);
1721
1722         if (!ptempnode)
1723                 return;
1724
1725         ptempnode->callback = NULL;
1726         ptempnode->callback_arg = (unsigned long)pdata_buf;
1727
1728         lbs_deb_leave(LBS_DEB_HOST);
1729 }
1730
1731 /**
1732  *  @brief This function executes next command in command
1733  *  pending queue. It will put fimware back to PS mode
1734  *  if applicable.
1735  *
1736  *  @param priv     A pointer to struct lbs_private structure
1737  *  @return        0 or -1
1738  */
1739 int lbs_execute_next_command(struct lbs_private *priv)
1740 {
1741         struct cmd_ctrl_node *cmdnode = NULL;
1742         struct cmd_header *cmd;
1743         unsigned long flags;
1744         int ret = 0;
1745
1746         // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1747         // only caller to us is lbs_thread() and we get even when a
1748         // data packet is received
1749         lbs_deb_enter(LBS_DEB_THREAD);
1750
1751         spin_lock_irqsave(&priv->driver_lock, flags);
1752
1753         if (priv->cur_cmd) {
1754                 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1755                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1756                 ret = -1;
1757                 goto done;
1758         }
1759
1760         if (!list_empty(&priv->cmdpendingq)) {
1761                 cmdnode = list_first_entry(&priv->cmdpendingq,
1762                                            struct cmd_ctrl_node, list);
1763         }
1764
1765         spin_unlock_irqrestore(&priv->driver_lock, flags);
1766
1767         if (cmdnode) {
1768                 cmd = cmdnode->cmdbuf;
1769
1770                 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1771                         if ((priv->psstate == PS_STATE_SLEEP) ||
1772                             (priv->psstate == PS_STATE_PRE_SLEEP)) {
1773                                 lbs_deb_host(
1774                                        "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1775                                        le16_to_cpu(cmd->command),
1776                                        priv->psstate);
1777                                 ret = -1;
1778                                 goto done;
1779                         }
1780                         lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1781                                      "0x%04x in psstate %d\n",
1782                                      le16_to_cpu(cmd->command), priv->psstate);
1783                 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1784                         /*
1785                          * 1. Non-PS command:
1786                          * Queue it. set needtowakeup to TRUE if current state
1787                          * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1788                          * 2. PS command but not Exit_PS:
1789                          * Ignore it.
1790                          * 3. PS command Exit_PS:
1791                          * Set needtowakeup to TRUE if current state is SLEEP,
1792                          * otherwise send this command down to firmware
1793                          * immediately.
1794                          */
1795                         if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1796                                 /*  Prepare to send Exit PS,
1797                                  *  this non PS command will be sent later */
1798                                 if ((priv->psstate == PS_STATE_SLEEP)
1799                                     || (priv->psstate == PS_STATE_PRE_SLEEP)
1800                                     ) {
1801                                         /* w/ new scheme, it will not reach here.
1802                                            since it is blocked in main_thread. */
1803                                         priv->needtowakeup = 1;
1804                                 } else
1805                                         lbs_ps_wakeup(priv, 0);
1806
1807                                 ret = 0;
1808                                 goto done;
1809                         } else {
1810                                 /*
1811                                  * PS command. Ignore it if it is not Exit_PS.
1812                                  * otherwise send it down immediately.
1813                                  */
1814                                 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1815
1816                                 lbs_deb_host(
1817                                        "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1818                                        psm->action);
1819                                 if (psm->action !=
1820                                     cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1821                                         lbs_deb_host(
1822                                                "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1823                                         list_del(&cmdnode->list);
1824                                         spin_lock_irqsave(&priv->driver_lock, flags);
1825                                         lbs_complete_command(priv, cmdnode, 0);
1826                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1827
1828                                         ret = 0;
1829                                         goto done;
1830                                 }
1831
1832                                 if ((priv->psstate == PS_STATE_SLEEP) ||
1833                                     (priv->psstate == PS_STATE_PRE_SLEEP)) {
1834                                         lbs_deb_host(
1835                                                "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1836                                         list_del(&cmdnode->list);
1837                                         spin_lock_irqsave(&priv->driver_lock, flags);
1838                                         lbs_complete_command(priv, cmdnode, 0);
1839                                         spin_unlock_irqrestore(&priv->driver_lock, flags);
1840                                         priv->needtowakeup = 1;
1841
1842                                         ret = 0;
1843                                         goto done;
1844                                 }
1845
1846                                 lbs_deb_host(
1847                                        "EXEC_NEXT_CMD: sending EXIT_PS\n");
1848                         }
1849                 }
1850                 list_del(&cmdnode->list);
1851                 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1852                             le16_to_cpu(cmd->command));
1853                 lbs_submit_command(priv, cmdnode);
1854         } else {
1855                 /*
1856                  * check if in power save mode, if yes, put the device back
1857                  * to PS mode
1858                  */
1859                 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1860                     (priv->psstate == PS_STATE_FULL_POWER) &&
1861                     ((priv->connect_status == LBS_CONNECTED) ||
1862                     (priv->mesh_connect_status == LBS_CONNECTED))) {
1863                         if (priv->secinfo.WPAenabled ||
1864                             priv->secinfo.WPA2enabled) {
1865                                 /* check for valid WPA group keys */
1866                                 if (priv->wpa_mcast_key.len ||
1867                                     priv->wpa_unicast_key.len) {
1868                                         lbs_deb_host(
1869                                                "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1870                                                " go back to PS_SLEEP");
1871                                         lbs_ps_sleep(priv, 0);
1872                                 }
1873                         } else {
1874                                 lbs_deb_host(
1875                                        "EXEC_NEXT_CMD: cmdpendingq empty, "
1876                                        "go back to PS_SLEEP");
1877                                 lbs_ps_sleep(priv, 0);
1878                         }
1879                 }
1880         }
1881
1882         ret = 0;
1883 done:
1884         lbs_deb_leave(LBS_DEB_THREAD);
1885         return ret;
1886 }
1887
1888 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1889 {
1890         union iwreq_data iwrq;
1891         u8 buf[50];
1892
1893         lbs_deb_enter(LBS_DEB_WEXT);
1894
1895         memset(&iwrq, 0, sizeof(union iwreq_data));
1896         memset(buf, 0, sizeof(buf));
1897
1898         snprintf(buf, sizeof(buf) - 1, "%s", str);
1899
1900         iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1901
1902         /* Send Event to upper layer */
1903         lbs_deb_wext("event indication string %s\n", (char *)buf);
1904         lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1905         lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1906
1907         wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1908
1909         lbs_deb_leave(LBS_DEB_WEXT);
1910 }
1911
1912 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1913 {
1914         unsigned long flags;
1915         int ret = 0;
1916
1917         lbs_deb_enter(LBS_DEB_HOST);
1918
1919         lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1920                size);
1921
1922         lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1923
1924         ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1925
1926         spin_lock_irqsave(&priv->driver_lock, flags);
1927         if (priv->intcounter || priv->currenttxskb)
1928                 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1929                        priv->intcounter, priv->currenttxskb);
1930         spin_unlock_irqrestore(&priv->driver_lock, flags);
1931
1932         if (ret) {
1933                 lbs_pr_alert(
1934                        "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1935         } else {
1936                 spin_lock_irqsave(&priv->driver_lock, flags);
1937                 if (!priv->intcounter) {
1938                         priv->psstate = PS_STATE_SLEEP;
1939                 } else {
1940                         lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1941                                priv->intcounter);
1942                 }
1943                 spin_unlock_irqrestore(&priv->driver_lock, flags);
1944
1945                 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1946         }
1947
1948         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1949         return ret;
1950 }
1951
1952 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1953 {
1954         lbs_deb_enter(LBS_DEB_HOST);
1955
1956         /*
1957          * PS is currently supported only in Infrastructure mode
1958          * Remove this check if it is to be supported in IBSS mode also
1959          */
1960
1961         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1962                               CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1963
1964         lbs_deb_leave(LBS_DEB_HOST);
1965 }
1966
1967 /**
1968  *  @brief This function sends Exit_PS command to firmware.
1969  *
1970  *  @param priv         A pointer to struct lbs_private structure
1971  *  @param wait_option  wait response or not
1972  *  @return             n/a
1973  */
1974 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1975 {
1976         __le32 Localpsmode;
1977
1978         lbs_deb_enter(LBS_DEB_HOST);
1979
1980         Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1981
1982         lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1983                               CMD_SUBCMD_EXIT_PS,
1984                               wait_option, 0, &Localpsmode);
1985
1986         lbs_deb_leave(LBS_DEB_HOST);
1987 }
1988
1989 /**
1990  *  @brief This function checks condition and prepares to
1991  *  send sleep confirm command to firmware if ok.
1992  *
1993  *  @param priv         A pointer to struct lbs_private structure
1994  *  @param psmode       Power Saving mode
1995  *  @return             n/a
1996  */
1997 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1998 {
1999         unsigned long flags =0;
2000         u8 allowed = 1;
2001
2002         lbs_deb_enter(LBS_DEB_HOST);
2003
2004         if (priv->dnld_sent) {
2005                 allowed = 0;
2006                 lbs_deb_host("dnld_sent was set\n");
2007         }
2008
2009         spin_lock_irqsave(&priv->driver_lock, flags);
2010         if (priv->cur_cmd) {
2011                 allowed = 0;
2012                 lbs_deb_host("cur_cmd was set\n");
2013         }
2014         if (priv->intcounter > 0) {
2015                 allowed = 0;
2016                 lbs_deb_host("intcounter %d\n", priv->intcounter);
2017         }
2018         spin_unlock_irqrestore(&priv->driver_lock, flags);
2019
2020         if (allowed) {
2021                 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2022                 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2023                                  sizeof(struct PS_CMD_ConfirmSleep));
2024         } else {
2025                 lbs_deb_host("sleep confirm has been delayed\n");
2026         }
2027
2028         lbs_deb_leave(LBS_DEB_HOST);
2029 }
2030
2031
2032 /**
2033  *  @brief Simple callback that copies response back into command
2034  *
2035  *  @param priv         A pointer to struct lbs_private structure
2036  *  @param extra        A pointer to the original command structure for which
2037  *                      'resp' is a response
2038  *  @param resp         A pointer to the command response
2039  *
2040  *  @return             0 on success, error on failure
2041  */
2042 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2043                      struct cmd_header *resp)
2044 {
2045         struct cmd_header *buf = (void *)extra;
2046         uint16_t copy_len;
2047
2048         lbs_deb_enter(LBS_DEB_CMD);
2049
2050         copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2051         lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2052                     "copy back buffer was %u bytes\n", copy_len,
2053                     le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2054         memcpy(buf, resp, copy_len);
2055
2056         lbs_deb_leave(LBS_DEB_CMD);
2057         return 0;
2058 }
2059 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2060
2061 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2062                                       struct cmd_header *in_cmd, int in_cmd_size,
2063                                       int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2064                                       unsigned long callback_arg)
2065 {
2066         struct cmd_ctrl_node *cmdnode;
2067
2068         lbs_deb_enter(LBS_DEB_HOST);
2069
2070         if (priv->surpriseremoved) {
2071                 lbs_deb_host("PREP_CMD: card removed\n");
2072                 cmdnode = ERR_PTR(-ENOENT);
2073                 goto done;
2074         }
2075
2076         cmdnode = lbs_get_cmd_ctrl_node(priv);
2077         if (cmdnode == NULL) {
2078                 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2079
2080                 /* Wake up main thread to execute next command */
2081                 wake_up_interruptible(&priv->waitq);
2082                 cmdnode = ERR_PTR(-ENOBUFS);
2083                 goto done;
2084         }
2085
2086         cmdnode->callback = callback;
2087         cmdnode->callback_arg = callback_arg;
2088
2089         /* Copy the incoming command to the buffer */
2090         memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2091
2092         /* Set sequence number, clean result, move to buffer */
2093         priv->seqnum++;
2094         cmdnode->cmdbuf->command = cpu_to_le16(command);
2095         cmdnode->cmdbuf->size    = cpu_to_le16(in_cmd_size);
2096         cmdnode->cmdbuf->seqnum  = cpu_to_le16(priv->seqnum);
2097         cmdnode->cmdbuf->result  = 0;
2098
2099         lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2100
2101         /* here was the big old switch() statement, which is now obsolete,
2102          * because the caller of lbs_cmd() sets up all of *cmd for us. */
2103
2104         cmdnode->cmdwaitqwoken = 0;
2105         lbs_queue_cmd(priv, cmdnode);
2106         wake_up_interruptible(&priv->waitq);
2107
2108  done:
2109         lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2110         return cmdnode;
2111 }
2112
2113 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2114               struct cmd_header *in_cmd, int in_cmd_size,
2115               int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2116               unsigned long callback_arg)
2117 {
2118         struct cmd_ctrl_node *cmdnode;
2119         unsigned long flags;
2120         int ret = 0;
2121
2122         lbs_deb_enter(LBS_DEB_HOST);
2123
2124         cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2125                                   callback, callback_arg);
2126         if (IS_ERR(cmdnode)) {
2127                 ret = PTR_ERR(cmdnode);
2128                 goto done;
2129         }
2130
2131         might_sleep();
2132         wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2133
2134         spin_lock_irqsave(&priv->driver_lock, flags);
2135         ret = cmdnode->result;
2136         if (ret)
2137                 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2138                             command, ret);
2139
2140         __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2141         spin_unlock_irqrestore(&priv->driver_lock, flags);
2142
2143 done:
2144         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2145         return ret;
2146 }
2147 EXPORT_SYMBOL_GPL(__lbs_cmd);
2148
2149