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

   1 /**
   2   * This file contains the handling of command
   3   * responses as well as events generated by firmware.
   4   */
   5 #include <linux/delay.h>
   6 #include <linux/if_arp.h>
   7 #include <linux/netdevice.h>
   8
   9 #include <net/iw_handler.h>
  10
  11 #include "host.h"
  12 #include "decl.h"
  13 #include "defs.h"
  14 #include "dev.h"
  15 #include "join.h"
  16 #include "wext.h"
  17
  18 /**
  19  *  @brief This function handles disconnect event. it
  20  *  reports disconnect to upper layer, clean tx/rx packets,
  21  *  reset link state etc.
  22  *
  23  *  @param priv    A pointer to struct lbs_private structure
  24  *  @return        n/a
  25  */
  26 void lbs_mac_event_disconnected(struct lbs_private *priv)
  27 {
  28         union iwreq_data wrqu;
  29
  30         if (priv->connect_status != LBS_CONNECTED)
  31                 return;
  32
  33         lbs_deb_enter(LBS_DEB_ASSOC);
  34
  35         memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
  36         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
  37
  38         /*
  39          * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
  40          * It causes problem in the Supplicant
  41          */
  42
  43         msleep_interruptible(1000);
  44         wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
  45
  46         /* Free Tx and Rx packets */
  47         kfree_skb(priv->currenttxskb);
  48         priv->currenttxskb = NULL;
  49
  50         /* report disconnect to upper layer */
  51         netif_stop_queue(priv->dev);
  52         netif_carrier_off(priv->dev);
  53
  54         /* reset SNR/NF/RSSI values */
  55         memset(priv->SNR, 0x00, sizeof(priv->SNR));
  56         memset(priv->NF, 0x00, sizeof(priv->NF));
  57         memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
  58         memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
  59         memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
  60         priv->nextSNRNF = 0;
  61         priv->numSNRNF = 0;
  62         priv->connect_status = LBS_DISCONNECTED;
  63
  64         /* Clear out associated SSID and BSSID since connection is
  65          * no longer valid.
  66          */
  67         memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
  68         memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
  69         priv->curbssparams.ssid_len = 0;
  70
  71         if (priv->psstate != PS_STATE_FULL_POWER) {
  72                 /* make firmware to exit PS mode */
  73                 lbs_deb_cmd("disconnected, so exit PS mode\n");
  74                 lbs_ps_wakeup(priv, 0);
  75         }
  76         lbs_deb_leave(LBS_DEB_CMD);
  77 }
  78
  79 /**
  80  *  @brief This function handles MIC failure event.
  81  *
  82  *  @param priv    A pointer to struct lbs_private structure
  83  *  @para  event   the event id
  84  *  @return        n/a
  85  */
  86 static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
  87 {
  88         char buf[50];
  89
  90         lbs_deb_enter(LBS_DEB_CMD);
  91         memset(buf, 0, sizeof(buf));
  92
  93         sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
  94
  95         if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
  96                 strcat(buf, "unicast ");
  97         } else {
  98                 strcat(buf, "multicast ");
  99         }
 100
 101         lbs_send_iwevcustom_event(priv, buf);
 102         lbs_deb_leave(LBS_DEB_CMD);
 103 }
 104
 105 static int lbs_ret_reg_access(struct lbs_private *priv,
 106                                u16 type, struct cmd_ds_command *resp)
 107 {
 108         int ret = 0;
 109
 110         lbs_deb_enter(LBS_DEB_CMD);
 111
 112         switch (type) {
 113         case CMD_RET(CMD_MAC_REG_ACCESS):
 114                 {
 115                         struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
 116
 117                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 118                         priv->offsetvalue.value = le32_to_cpu(reg->value);
 119                         break;
 120                 }
 121
 122         case CMD_RET(CMD_BBP_REG_ACCESS):
 123                 {
 124                         struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
 125
 126                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 127                         priv->offsetvalue.value = reg->value;
 128                         break;
 129                 }
 130
 131         case CMD_RET(CMD_RF_REG_ACCESS):
 132                 {
 133                         struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
 134
 135                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 136                         priv->offsetvalue.value = reg->value;
 137                         break;
 138                 }
 139
 140         default:
 141                 ret = -1;
 142         }
 143
 144         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 145         return ret;
 146 }
 147
 148 static int lbs_ret_get_hw_spec(struct lbs_private *priv,
 149                                 struct cmd_ds_command *resp)
 150 {
 151         u32 i;
 152         struct cmd_ds_get_hw_spec *hwspec = &resp->params.hwspec;
 153         int ret = 0;
 154         DECLARE_MAC_BUF(mac);
 155
 156         lbs_deb_enter(LBS_DEB_CMD);
 157
 158         priv->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
 159
 160         memcpy(priv->fwreleasenumber, hwspec->fwreleasenumber, 4);
 161
 162         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
 163                     priv->fwreleasenumber[2], priv->fwreleasenumber[1],
 164                     priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
 165         lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
 166                     print_mac(mac, hwspec->permanentaddr));
 167         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
 168                hwspec->hwifversion, hwspec->version);
 169
 170         /* Clamp region code to 8-bit since FW spec indicates that it should
 171          * only ever be 8-bit, even though the field size is 16-bit.  Some firmware
 172          * returns non-zero high 8 bits here.
 173          */
 174         priv->regioncode = le16_to_cpu(hwspec->regioncode) & 0xFF;
 175
 176         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
 177                 /* use the region code to search for the index */
 178                 if (priv->regioncode == lbs_region_code_to_index[i]) {
 179                         break;
 180                 }
 181         }
 182
 183         /* if it's unidentified region code, use the default (USA) */
 184         if (i >= MRVDRV_MAX_REGION_CODE) {
 185                 priv->regioncode = 0x10;
 186                 lbs_pr_info("unidentified region code; using the default (USA)\n");
 187         }
 188
 189         if (priv->current_addr[0] == 0xff)
 190                 memmove(priv->current_addr, hwspec->permanentaddr, ETH_ALEN);
 191
 192         memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
 193         if (priv->mesh_dev)
 194                 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
 195
 196         if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
 197                 ret = -1;
 198                 goto done;
 199         }
 200
 201         if (lbs_set_universaltable(priv, 0)) {
 202                 ret = -1;
 203                 goto done;
 204         }
 205
 206 done:
 207         lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
 208         return ret;
 209 }
 210
 211 static int lbs_ret_802_11_sleep_params(struct lbs_private *priv,
 212                                         struct cmd_ds_command *resp)
 213 {
 214         struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
 215
 216         lbs_deb_enter(LBS_DEB_CMD);
 217
 218         lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, calcontrol 0x%x "
 219                     "extsleepclk 0x%x\n", le16_to_cpu(sp->error),
 220                     le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
 221                     sp->calcontrol, sp->externalsleepclk);
 222
 223         priv->sp.sp_error = le16_to_cpu(sp->error);
 224         priv->sp.sp_offset = le16_to_cpu(sp->offset);
 225         priv->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
 226         priv->sp.sp_calcontrol = sp->calcontrol;
 227         priv->sp.sp_extsleepclk = sp->externalsleepclk;
 228         priv->sp.sp_reserved = le16_to_cpu(sp->reserved);
 229
 230         lbs_deb_enter(LBS_DEB_CMD);
 231         return 0;
 232 }
 233
 234 static int lbs_ret_802_11_stat(struct lbs_private *priv,
 235                                 struct cmd_ds_command *resp)
 236 {
 237         lbs_deb_enter(LBS_DEB_CMD);
 238 /*      currently priv->wlan802_11Stat is unused
 239
 240         struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
 241
 242         // TODO Convert it to Big endian befor copy
 243         memcpy(&priv->wlan802_11Stat,
 244                p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
 245 */
 246         lbs_deb_leave(LBS_DEB_CMD);
 247         return 0;
 248 }
 249
 250 static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
 251                                     struct cmd_ds_command *resp)
 252 {
 253         struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 254         u16 oid = le16_to_cpu(smib->oid);
 255         u16 querytype = le16_to_cpu(smib->querytype);
 256
 257         lbs_deb_enter(LBS_DEB_CMD);
 258
 259         lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
 260                querytype);
 261         lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
 262
 263         if (querytype == CMD_ACT_GET) {
 264                 switch (oid) {
 265                 case FRAGTHRESH_I:
 266                         priv->fragthsd =
 267                                 le16_to_cpu(*((__le16 *)(smib->value)));
 268                         lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
 269                                     priv->fragthsd);
 270                         break;
 271                 case RTSTHRESH_I:
 272                         priv->rtsthsd =
 273                                 le16_to_cpu(*((__le16 *)(smib->value)));
 274                         lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
 275                                     priv->rtsthsd);
 276                         break;
 277                 case SHORT_RETRYLIM_I:
 278                         priv->txretrycount =
 279                                 le16_to_cpu(*((__le16 *)(smib->value)));
 280                         lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
 281                                     priv->rtsthsd);
 282                         break;
 283                 default:
 284                         break;
 285                 }
 286         }
 287
 288         lbs_deb_enter(LBS_DEB_CMD);
 289         return 0;
 290 }
 291
 292 static int lbs_ret_802_11_key_material(struct lbs_private *priv,
 293                                         struct cmd_ds_command *resp)
 294 {
 295         struct cmd_ds_802_11_key_material *pkeymaterial =
 296             &resp->params.keymaterial;
 297         u16 action = le16_to_cpu(pkeymaterial->action);
 298
 299         lbs_deb_enter(LBS_DEB_CMD);
 300
 301         /* Copy the returned key to driver private data */
 302         if (action == CMD_ACT_GET) {
 303                 u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
 304                 u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
 305
 306                 while (buf_ptr < resp_end) {
 307                         struct MrvlIEtype_keyParamSet * pkeyparamset =
 308                             (struct MrvlIEtype_keyParamSet *) buf_ptr;
 309                         struct enc_key * pkey;
 310                         u16 param_set_len = le16_to_cpu(pkeyparamset->length);
 311                         u16 key_len = le16_to_cpu(pkeyparamset->keylen);
 312                         u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
 313                         u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
 314                         u8 * end;
 315
 316                         end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
 317                                                   + sizeof (pkeyparamset->length)
 318                                                   + param_set_len;
 319                         /* Make sure we don't access past the end of the IEs */
 320                         if (end > resp_end)
 321                                 break;
 322
 323                         if (key_flags & KEY_INFO_WPA_UNICAST)
 324                                 pkey = &priv->wpa_unicast_key;
 325                         else if (key_flags & KEY_INFO_WPA_MCAST)
 326                                 pkey = &priv->wpa_mcast_key;
 327                         else
 328                                 break;
 329
 330                         /* Copy returned key into driver */
 331                         memset(pkey, 0, sizeof(struct enc_key));
 332                         if (key_len > sizeof(pkey->key))
 333                                 break;
 334                         pkey->type = key_type;
 335                         pkey->flags = key_flags;
 336                         pkey->len = key_len;
 337                         memcpy(pkey->key, pkeyparamset->key, pkey->len);
 338
 339                         buf_ptr = end + 1;
 340                 }
 341         }
 342
 343         lbs_deb_enter(LBS_DEB_CMD);
 344         return 0;
 345 }
 346
 347 static int lbs_ret_802_11_mac_address(struct lbs_private *priv,
 348                                        struct cmd_ds_command *resp)
 349 {
 350         struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
 351
 352         lbs_deb_enter(LBS_DEB_CMD);
 353
 354         memcpy(priv->current_addr, macadd->macadd, ETH_ALEN);
 355
 356         lbs_deb_enter(LBS_DEB_CMD);
 357         return 0;
 358 }
 359
 360 static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
 361                                        struct cmd_ds_command *resp)
 362 {
 363         struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
 364
 365         lbs_deb_enter(LBS_DEB_CMD);
 366
 367         priv->txpowerlevel = le16_to_cpu(rtp->currentlevel);
 368
 369         lbs_deb_cmd("TX power currently %d\n", priv->txpowerlevel);
 370
 371         lbs_deb_leave(LBS_DEB_CMD);
 372         return 0;
 373 }
 374
 375 static int lbs_ret_802_11_rate_adapt_rateset(struct lbs_private *priv,
 376                                               struct cmd_ds_command *resp)
 377 {
 378         struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
 379
 380         lbs_deb_enter(LBS_DEB_CMD);
 381
 382         if (rates->action == CMD_ACT_GET) {
 383                 priv->enablehwauto = le16_to_cpu(rates->enablehwauto);
 384                 priv->ratebitmap = le16_to_cpu(rates->bitmap);
 385         }
 386
 387         lbs_deb_leave(LBS_DEB_CMD);
 388         return 0;
 389 }
 390
 391 static int lbs_ret_802_11_data_rate(struct lbs_private *priv,
 392                                      struct cmd_ds_command *resp)
 393 {
 394         struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
 395
 396         lbs_deb_enter(LBS_DEB_CMD);
 397
 398         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) pdatarate,
 399                 sizeof(struct cmd_ds_802_11_data_rate));
 400
 401         /* FIXME: get actual rates FW can do if this command actually returns
 402          * all data rates supported.
 403          */
 404         priv->cur_rate = lbs_fw_index_to_data_rate(pdatarate->rates[0]);
 405         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", priv->cur_rate);
 406
 407         lbs_deb_leave(LBS_DEB_CMD);
 408         return 0;
 409 }
 410
 411 static int lbs_ret_802_11_rf_channel(struct lbs_private *priv,
 412                                       struct cmd_ds_command *resp)
 413 {
 414         struct cmd_ds_802_11_rf_channel *rfchannel = &resp->params.rfchannel;
 415         u16 action = le16_to_cpu(rfchannel->action);
 416         u16 newchannel = le16_to_cpu(rfchannel->currentchannel);
 417
 418         lbs_deb_enter(LBS_DEB_CMD);
 419
 420         if (action == CMD_OPT_802_11_RF_CHANNEL_GET
 421             && priv->curbssparams.channel != newchannel) {
 422                 lbs_deb_cmd("channel switch from %d to %d\n",
 423                        priv->curbssparams.channel, newchannel);
 424
 425                 /* Update the channel again */
 426                 priv->curbssparams.channel = newchannel;
 427         }
 428
 429         lbs_deb_enter(LBS_DEB_CMD);
 430         return 0;
 431 }
 432
 433 static int lbs_ret_802_11_rssi(struct lbs_private *priv,
 434                                 struct cmd_ds_command *resp)
 435 {
 436         struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
 437
 438         lbs_deb_enter(LBS_DEB_CMD);
 439
 440         /* store the non average value */
 441         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
 442         priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
 443
 444         priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
 445         priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
 446
 447         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
 448             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
 449                      priv->NF[TYPE_BEACON][TYPE_NOAVG]);
 450
 451         priv->RSSI[TYPE_BEACON][TYPE_AVG] =
 452             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
 453                      priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
 454
 455         lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
 456                priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
 457                priv->RSSI[TYPE_BEACON][TYPE_AVG]);
 458
 459         lbs_deb_leave(LBS_DEB_CMD);
 460         return 0;
 461 }
 462
 463 static int lbs_ret_802_11_eeprom_access(struct lbs_private *priv,
 464                                   struct cmd_ds_command *resp)
 465 {
 466         struct lbs_ioctl_regrdwr *pbuf;
 467         pbuf = (struct lbs_ioctl_regrdwr *) priv->prdeeprom;
 468
 469         lbs_deb_enter_args(LBS_DEB_CMD, "len %d",
 470                le16_to_cpu(resp->params.rdeeprom.bytecount));
 471         if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
 472                 pbuf->NOB = 0;
 473                 lbs_deb_cmd("EEPROM read length too big\n");
 474                 return -1;
 475         }
 476         pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
 477         if (pbuf->NOB > 0) {
 478
 479                 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
 480                        le16_to_cpu(resp->params.rdeeprom.bytecount));
 481                 lbs_deb_hex(LBS_DEB_CMD, "EEPROM", (char *)&pbuf->value,
 482                         le16_to_cpu(resp->params.rdeeprom.bytecount));
 483         }
 484         lbs_deb_leave(LBS_DEB_CMD);
 485         return 0;
 486 }
 487
 488 static int lbs_ret_get_log(struct lbs_private *priv,
 489                             struct cmd_ds_command *resp)
 490 {
 491         struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
 492
 493         lbs_deb_enter(LBS_DEB_CMD);
 494
 495         /* Stored little-endian */
 496         memcpy(&priv->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
 497
 498         lbs_deb_leave(LBS_DEB_CMD);
 499         return 0;
 500 }
 501
 502 static int lbs_ret_802_11_enable_rsn(struct lbs_private *priv,
 503                                           struct cmd_ds_command *resp)
 504 {
 505         struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
 506         u32 * pdata_buf = priv->cur_cmd->pdata_buf;
 507
 508         lbs_deb_enter(LBS_DEB_CMD);
 509
 510         if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
 511                 if (pdata_buf)
 512                         *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
 513         }
 514
 515         lbs_deb_leave(LBS_DEB_CMD);
 516         return 0;
 517 }
 518
 519 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
 520                                         struct cmd_ds_command *resp)
 521 {
 522         struct cmd_ds_802_11_beacon_control *bcn_ctrl =
 523             &resp->params.bcn_ctrl;
 524
 525         lbs_deb_enter(LBS_DEB_CMD);
 526
 527         if (bcn_ctrl->action == CMD_ACT_GET) {
 528                 priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
 529                 priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
 530         }
 531
 532         lbs_deb_enter(LBS_DEB_CMD);
 533         return 0;
 534 }
 535
 536 static int lbs_ret_802_11_subscribe_event(struct lbs_private *priv,
 537         struct cmd_ds_command *resp)
 538 {
 539         struct cmd_ds_802_11_subscribe_event *cmd_event =
 540                 &resp->params.subscribe_event;
 541         struct cmd_ds_802_11_subscribe_event *dst_event =
 542                 priv->cur_cmd->pdata_buf;
 543
 544         lbs_deb_enter(LBS_DEB_CMD);
 545
 546         if (dst_event->action == cpu_to_le16(CMD_ACT_GET)) {
 547                 dst_event->events = cmd_event->events;
 548                 memcpy(dst_event->tlv, cmd_event->tlv, sizeof(dst_event->tlv));
 549         }
 550
 551         lbs_deb_leave(LBS_DEB_CMD);
 552         return 0;
 553 }
 554
 555 static inline int handle_cmd_response(u16 respcmd,
 556                                       struct cmd_ds_command *resp,
 557                                       struct lbs_private *priv)
 558 {
 559         int ret = 0;
 560         unsigned long flags;
 561
 562         lbs_deb_enter(LBS_DEB_HOST);
 563
 564         switch (respcmd) {
 565         case CMD_RET(CMD_MAC_REG_ACCESS):
 566         case CMD_RET(CMD_BBP_REG_ACCESS):
 567         case CMD_RET(CMD_RF_REG_ACCESS):
 568                 ret = lbs_ret_reg_access(priv, respcmd, resp);
 569                 break;
 570
 571         case CMD_RET(CMD_GET_HW_SPEC):
 572                 ret = lbs_ret_get_hw_spec(priv, resp);
 573                 break;
 574
 575         case CMD_RET(CMD_802_11_SCAN):
 576                 ret = lbs_ret_80211_scan(priv, resp);
 577                 break;
 578
 579         case CMD_RET(CMD_802_11_GET_LOG):
 580                 ret = lbs_ret_get_log(priv, resp);
 581                 break;
 582
 583         case CMD_RET_802_11_ASSOCIATE:
 584         case CMD_RET(CMD_802_11_ASSOCIATE):
 585         case CMD_RET(CMD_802_11_REASSOCIATE):
 586                 ret = lbs_ret_80211_associate(priv, resp);
 587                 break;
 588
 589         case CMD_RET(CMD_802_11_DISASSOCIATE):
 590         case CMD_RET(CMD_802_11_DEAUTHENTICATE):
 591                 ret = lbs_ret_80211_disassociate(priv, resp);
 592                 break;
 593
 594         case CMD_RET(CMD_802_11_AD_HOC_START):
 595         case CMD_RET(CMD_802_11_AD_HOC_JOIN):
 596                 ret = lbs_ret_80211_ad_hoc_start(priv, resp);
 597                 break;
 598
 599         case CMD_RET(CMD_802_11_GET_STAT):
 600                 ret = lbs_ret_802_11_stat(priv, resp);
 601                 break;
 602
 603         case CMD_RET(CMD_802_11_SNMP_MIB):
 604                 ret = lbs_ret_802_11_snmp_mib(priv, resp);
 605                 break;
 606
 607         case CMD_RET(CMD_802_11_RF_TX_POWER):
 608                 ret = lbs_ret_802_11_rf_tx_power(priv, resp);
 609                 break;
 610
 611         case CMD_RET(CMD_802_11_SET_AFC):
 612         case CMD_RET(CMD_802_11_GET_AFC):
 613                 spin_lock_irqsave(&priv->driver_lock, flags);
 614                 memmove(priv->cur_cmd->pdata_buf, &resp->params.afc,
 615                         sizeof(struct cmd_ds_802_11_afc));
 616                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 617
 618                 break;
 619
 620         case CMD_RET(CMD_MAC_MULTICAST_ADR):
 621         case CMD_RET(CMD_MAC_CONTROL):
 622         case CMD_RET(CMD_802_11_SET_WEP):
 623         case CMD_RET(CMD_802_11_RESET):
 624         case CMD_RET(CMD_802_11_AUTHENTICATE):
 625         case CMD_RET(CMD_802_11_RADIO_CONTROL):
 626         case CMD_RET(CMD_802_11_BEACON_STOP):
 627                 break;
 628
 629         case CMD_RET(CMD_802_11_ENABLE_RSN):
 630                 ret = lbs_ret_802_11_enable_rsn(priv, resp);
 631                 break;
 632
 633         case CMD_RET(CMD_802_11_DATA_RATE):
 634                 ret = lbs_ret_802_11_data_rate(priv, resp);
 635                 break;
 636         case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
 637                 ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
 638                 break;
 639         case CMD_RET(CMD_802_11_RF_CHANNEL):
 640                 ret = lbs_ret_802_11_rf_channel(priv, resp);
 641                 break;
 642
 643         case CMD_RET(CMD_802_11_RSSI):
 644                 ret = lbs_ret_802_11_rssi(priv, resp);
 645                 break;
 646
 647         case CMD_RET(CMD_802_11_MAC_ADDRESS):
 648                 ret = lbs_ret_802_11_mac_address(priv, resp);
 649                 break;
 650
 651         case CMD_RET(CMD_802_11_AD_HOC_STOP):
 652                 ret = lbs_ret_80211_ad_hoc_stop(priv, resp);
 653                 break;
 654
 655         case CMD_RET(CMD_802_11_KEY_MATERIAL):
 656                 ret = lbs_ret_802_11_key_material(priv, resp);
 657                 break;
 658
 659         case CMD_RET(CMD_802_11_EEPROM_ACCESS):
 660                 ret = lbs_ret_802_11_eeprom_access(priv, resp);
 661                 break;
 662
 663         case CMD_RET(CMD_802_11D_DOMAIN_INFO):
 664                 ret = lbs_ret_802_11d_domain_info(priv, resp);
 665                 break;
 666
 667         case CMD_RET(CMD_802_11_SLEEP_PARAMS):
 668                 ret = lbs_ret_802_11_sleep_params(priv, resp);
 669                 break;
 670         case CMD_RET(CMD_802_11_INACTIVITY_TIMEOUT):
 671                 spin_lock_irqsave(&priv->driver_lock, flags);
 672                 *((u16 *) priv->cur_cmd->pdata_buf) =
 673                     le16_to_cpu(resp->params.inactivity_timeout.timeout);
 674                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 675                 break;
 676
 677         case CMD_RET(CMD_802_11_TPC_CFG):
 678                 spin_lock_irqsave(&priv->driver_lock, flags);
 679                 memmove(priv->cur_cmd->pdata_buf, &resp->params.tpccfg,
 680                         sizeof(struct cmd_ds_802_11_tpc_cfg));
 681                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 682                 break;
 683         case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
 684                 spin_lock_irqsave(&priv->driver_lock, flags);
 685                 memmove(priv->cur_cmd->pdata_buf, &resp->params.ledgpio,
 686                         sizeof(struct cmd_ds_802_11_led_ctrl));
 687                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 688                 break;
 689         case CMD_RET(CMD_802_11_SUBSCRIBE_EVENT):
 690                 ret = lbs_ret_802_11_subscribe_event(priv, resp);
 691                 break;
 692
 693         case CMD_RET(CMD_802_11_PWR_CFG):
 694                 spin_lock_irqsave(&priv->driver_lock, flags);
 695                 memmove(priv->cur_cmd->pdata_buf, &resp->params.pwrcfg,
 696                         sizeof(struct cmd_ds_802_11_pwr_cfg));
 697                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 698
 699                 break;
 700
 701         case CMD_RET(CMD_GET_TSF):
 702                 spin_lock_irqsave(&priv->driver_lock, flags);
 703                 memcpy(priv->cur_cmd->pdata_buf,
 704                        &resp->params.gettsf.tsfvalue, sizeof(u64));
 705                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 706                 break;
 707         case CMD_RET(CMD_BT_ACCESS):
 708                 spin_lock_irqsave(&priv->driver_lock, flags);
 709                 if (priv->cur_cmd->pdata_buf)
 710                         memcpy(priv->cur_cmd->pdata_buf,
 711                                &resp->params.bt.addr1, 2 * ETH_ALEN);
 712                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 713                 break;
 714         case CMD_RET(CMD_FWT_ACCESS):
 715                 spin_lock_irqsave(&priv->driver_lock, flags);
 716                 if (priv->cur_cmd->pdata_buf)
 717                         memcpy(priv->cur_cmd->pdata_buf, &resp->params.fwt,
 718                                sizeof(resp->params.fwt));
 719                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 720                 break;
 721         case CMD_RET(CMD_MESH_ACCESS):
 722                 if (priv->cur_cmd->pdata_buf)
 723                         memcpy(priv->cur_cmd->pdata_buf, &resp->params.mesh,
 724                                sizeof(resp->params.mesh));
 725                 break;
 726         case CMD_RET(CMD_802_11_BEACON_CTRL):
 727                 ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
 728                 break;
 729
 730         default:
 731                 lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
 732                             resp->command);
 733                 break;
 734         }
 735         lbs_deb_leave(LBS_DEB_HOST);
 736         return ret;
 737 }
 738
 739 int lbs_process_rx_command(struct lbs_private *priv)
 740 {
 741         u16 respcmd;
 742         struct cmd_ds_command *resp;
 743         int ret = 0;
 744         ulong flags;
 745         u16 result;
 746
 747         lbs_deb_enter(LBS_DEB_HOST);
 748
 749         /* Now we got response from FW, cancel the command timer */
 750         del_timer(&priv->command_timer);
 751
 752         mutex_lock(&priv->lock);
 753         spin_lock_irqsave(&priv->driver_lock, flags);
 754
 755         if (!priv->cur_cmd) {
 756                 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
 757                 ret = -1;
 758                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 759                 goto done;
 760         }
 761         resp = (struct cmd_ds_command *)(priv->cur_cmd->bufvirtualaddr);
 762
 763         respcmd = le16_to_cpu(resp->command);
 764         result = le16_to_cpu(resp->result);
 765
 766         lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n",
 767                 respcmd, priv->upld_len, jiffies);
 768         lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", priv->cur_cmd->bufvirtualaddr,
 769                     priv->upld_len);
 770
 771         if (!(respcmd & 0x8000)) {
 772                 lbs_deb_host("invalid response!\n");
 773                 priv->cur_cmd_retcode = -1;
 774                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
 775                 priv->cur_cmd = NULL;
 776                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 777                 ret = -1;
 778                 goto done;
 779         }
 780
 781         /* Store the response code to cur_cmd_retcode. */
 782         priv->cur_cmd_retcode = result;
 783
 784         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
 785                 struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode;
 786                 u16 action = le16_to_cpu(psmode->action);
 787
 788                 lbs_deb_host(
 789                        "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
 790                        result, action);
 791
 792                 if (result) {
 793                         lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
 794                                     result);
 795                         /*
 796                          * We should not re-try enter-ps command in
 797                          * ad-hoc mode. It takes place in
 798                          * lbs_execute_next_command().
 799                          */
 800                         if (priv->mode == IW_MODE_ADHOC &&
 801                             action == CMD_SUBCMD_ENTER_PS)
 802                                 priv->psmode = LBS802_11POWERMODECAM;
 803                 } else if (action == CMD_SUBCMD_ENTER_PS) {
 804                         priv->needtowakeup = 0;
 805                         priv->psstate = PS_STATE_AWAKE;
 806
 807                         lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
 808                         if (priv->connect_status != LBS_CONNECTED) {
 809                                 /*
 810                                  * When Deauth Event received before Enter_PS command
 811                                  * response, We need to wake up the firmware.
 812                                  */
 813                                 lbs_deb_host(
 814                                        "disconnected, invoking lbs_ps_wakeup\n");
 815
 816                                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 817                                 mutex_unlock(&priv->lock);
 818                                 lbs_ps_wakeup(priv, 0);
 819                                 mutex_lock(&priv->lock);
 820                                 spin_lock_irqsave(&priv->driver_lock, flags);
 821                         }
 822                 } else if (action == CMD_SUBCMD_EXIT_PS) {
 823                         priv->needtowakeup = 0;
 824                         priv->psstate = PS_STATE_FULL_POWER;
 825                         lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
 826                 } else {
 827                         lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
 828                 }
 829
 830                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
 831                 priv->cur_cmd = NULL;
 832                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 833
 834                 ret = 0;
 835                 goto done;
 836         }
 837
 838         /* If the command is not successful, cleanup and return failure */
 839         if ((result != 0 || !(respcmd & 0x8000))) {
 840                 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
 841                        result, respcmd);
 842                 /*
 843                  * Handling errors here
 844                  */
 845                 switch (respcmd) {
 846                 case CMD_RET(CMD_GET_HW_SPEC):
 847                 case CMD_RET(CMD_802_11_RESET):
 848                         lbs_deb_host("CMD_RESP: reset failed\n");
 849                         break;
 850
 851                 }
 852
 853                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
 854                 priv->cur_cmd = NULL;
 855                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 856
 857                 ret = -1;
 858                 goto done;
 859         }
 860
 861         spin_unlock_irqrestore(&priv->driver_lock, flags);
 862
 863         if (priv->cur_cmd && priv->cur_cmd->callback)
 864                 ret = priv->cur_cmd->callback(respcmd, resp, priv);
 865         else
 866                 ret = handle_cmd_response(respcmd, resp, priv);
 867
 868         spin_lock_irqsave(&priv->driver_lock, flags);
 869
 870         if (priv->cur_cmd) {
 871                 /* Clean up and Put current command back to cmdfreeq */
 872                 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
 873                 priv->cur_cmd = NULL;
 874         }
 875         spin_unlock_irqrestore(&priv->driver_lock, flags);
 876
 877 done:
 878         mutex_unlock(&priv->lock);
 879         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
 880         return ret;
 881 }
 882
 883 int lbs_process_event(struct lbs_private *priv)
 884 {
 885         int ret = 0;
 886         u32 eventcause;
 887
 888         lbs_deb_enter(LBS_DEB_CMD);
 889
 890         spin_lock_irq(&priv->driver_lock);
 891         eventcause = priv->eventcause >> SBI_EVENT_CAUSE_SHIFT;
 892         spin_unlock_irq(&priv->driver_lock);
 893
 894         lbs_deb_cmd("event cause %d\n", eventcause);
 895
 896         switch (eventcause) {
 897         case MACREG_INT_CODE_LINK_SENSED:
 898                 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
 899                 break;
 900
 901         case MACREG_INT_CODE_DEAUTHENTICATED:
 902                 lbs_deb_cmd("EVENT: deauthenticated\n");
 903                 lbs_mac_event_disconnected(priv);
 904                 break;
 905
 906         case MACREG_INT_CODE_DISASSOCIATED:
 907                 lbs_deb_cmd("EVENT: disassociated\n");
 908                 lbs_mac_event_disconnected(priv);
 909                 break;
 910
 911         case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
 912                 lbs_deb_cmd("EVENT: link lost\n");
 913                 lbs_mac_event_disconnected(priv);
 914                 break;
 915
 916         case MACREG_INT_CODE_PS_SLEEP:
 917                 lbs_deb_cmd("EVENT: sleep\n");
 918
 919                 /* handle unexpected PS SLEEP event */
 920                 if (priv->psstate == PS_STATE_FULL_POWER) {
 921                         lbs_deb_cmd(
 922                                "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
 923                         break;
 924                 }
 925                 priv->psstate = PS_STATE_PRE_SLEEP;
 926
 927                 lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
 928
 929                 break;
 930
 931         case MACREG_INT_CODE_PS_AWAKE:
 932                 lbs_deb_cmd("EVENT: awake\n");
 933
 934                 /* handle unexpected PS AWAKE event */
 935                 if (priv->psstate == PS_STATE_FULL_POWER) {
 936                         lbs_deb_cmd(
 937                                "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
 938                         break;
 939                 }
 940
 941                 priv->psstate = PS_STATE_AWAKE;
 942
 943                 if (priv->needtowakeup) {
 944                         /*
 945                          * wait for the command processing to finish
 946                          * before resuming sending
 947                          * priv->needtowakeup will be set to FALSE
 948                          * in lbs_ps_wakeup()
 949                          */
 950                         lbs_deb_cmd("waking up ...\n");
 951                         lbs_ps_wakeup(priv, 0);
 952                 }
 953                 break;
 954
 955         case MACREG_INT_CODE_MIC_ERR_UNICAST:
 956                 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
 957                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
 958                 break;
 959
 960         case MACREG_INT_CODE_MIC_ERR_MULTICAST:
 961                 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
 962                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
 963                 break;
 964         case MACREG_INT_CODE_MIB_CHANGED:
 965         case MACREG_INT_CODE_INIT_DONE:
 966                 break;
 967
 968         case MACREG_INT_CODE_ADHOC_BCN_LOST:
 969                 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
 970                 break;
 971
 972         case MACREG_INT_CODE_RSSI_LOW:
 973                 lbs_pr_alert("EVENT: rssi low\n");
 974                 break;
 975         case MACREG_INT_CODE_SNR_LOW:
 976                 lbs_pr_alert("EVENT: snr low\n");
 977                 break;
 978         case MACREG_INT_CODE_MAX_FAIL:
 979                 lbs_pr_alert("EVENT: max fail\n");
 980                 break;
 981         case MACREG_INT_CODE_RSSI_HIGH:
 982                 lbs_pr_alert("EVENT: rssi high\n");
 983                 break;
 984         case MACREG_INT_CODE_SNR_HIGH:
 985                 lbs_pr_alert("EVENT: snr high\n");
 986                 break;
 987
 988         case MACREG_INT_CODE_MESH_AUTO_STARTED:
 989                 /* Ignore spurious autostart events if autostart is disabled */
 990                 if (!priv->mesh_autostart_enabled) {
 991                         lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
 992                         break;
 993                 }
 994                 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
 995                 priv->mesh_connect_status = LBS_CONNECTED;
 996                 if (priv->mesh_open == 1) {
 997                         netif_wake_queue(priv->mesh_dev);
 998                         netif_carrier_on(priv->mesh_dev);
 999                 }
1000                 priv->mode = IW_MODE_ADHOC;
1001                 schedule_work(&priv->sync_channel);
1002                 break;
1003
1004         default:
1005                 lbs_pr_alert("EVENT: unknown event id %d\n", eventcause);
1006                 break;
1007         }
1008
1009         spin_lock_irq(&priv->driver_lock);
1010         priv->eventcause = 0;
1011         spin_unlock_irq(&priv->driver_lock);
1012
1013         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1014         return ret;
1015 }