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 wlan_private structure
  24  *  @return        n/a
  25  */
  26 void libertas_mac_event_disconnected(wlan_private * priv)
  27 {
  28         wlan_adapter *adapter = priv->adapter;
  29         union iwreq_data wrqu;
  30
  31         if (adapter->connect_status != LIBERTAS_CONNECTED)
  32                 return;
  33
  34         lbs_deb_enter(LBS_DEB_CMD);
  35
  36         memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
  37         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
  38
  39         /*
  40          * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
  41          * It causes problem in the Supplicant
  42          */
  43
  44         msleep_interruptible(1000);
  45         wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
  46
  47         /* Free Tx and Rx packets */
  48         kfree_skb(priv->adapter->currenttxskb);
  49         priv->adapter->currenttxskb = NULL;
  50
  51         /* report disconnect to upper layer */
  52         netif_stop_queue(priv->dev);
  53         netif_carrier_off(priv->dev);
  54
  55         /* reset SNR/NF/RSSI values */
  56         memset(adapter->SNR, 0x00, sizeof(adapter->SNR));
  57         memset(adapter->NF, 0x00, sizeof(adapter->NF));
  58         memset(adapter->RSSI, 0x00, sizeof(adapter->RSSI));
  59         memset(adapter->rawSNR, 0x00, sizeof(adapter->rawSNR));
  60         memset(adapter->rawNF, 0x00, sizeof(adapter->rawNF));
  61         adapter->nextSNRNF = 0;
  62         adapter->numSNRNF = 0;
  63         lbs_deb_cmd("current SSID '%s', length %u\n",
  64                     escape_essid(adapter->curbssparams.ssid,
  65                                  adapter->curbssparams.ssid_len),
  66                     adapter->curbssparams.ssid_len);
  67
  68         adapter->connect_status = LIBERTAS_DISCONNECTED;
  69
  70         /* Clear out associated SSID and BSSID since connection is
  71          * no longer valid.
  72          */
  73         memset(&adapter->curbssparams.bssid, 0, ETH_ALEN);
  74         memset(&adapter->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
  75         adapter->curbssparams.ssid_len = 0;
  76
  77         if (adapter->psstate != PS_STATE_FULL_POWER) {
  78                 /* make firmware to exit PS mode */
  79                 lbs_deb_cmd("disconnected, so exit PS mode\n");
  80                 libertas_ps_wakeup(priv, 0);
  81         }
  82         lbs_deb_leave(LBS_DEB_CMD);
  83 }
  84
  85 /**
  86  *  @brief This function handles MIC failure event.
  87  *
  88  *  @param priv    A pointer to wlan_private structure
  89  *  @para  event   the event id
  90  *  @return        n/a
  91  */
  92 static void handle_mic_failureevent(wlan_private * priv, u32 event)
  93 {
  94         char buf[50];
  95
  96         lbs_deb_enter(LBS_DEB_CMD);
  97         memset(buf, 0, sizeof(buf));
  98
  99         sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
 100
 101         if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
 102                 strcat(buf, "unicast ");
 103         } else {
 104                 strcat(buf, "multicast ");
 105         }
 106
 107         libertas_send_iwevcustom_event(priv, buf);
 108         lbs_deb_leave(LBS_DEB_CMD);
 109 }
 110
 111 static int wlan_ret_reg_access(wlan_private * priv,
 112                                u16 type, struct cmd_ds_command *resp)
 113 {
 114         int ret = 0;
 115         wlan_adapter *adapter = priv->adapter;
 116
 117         lbs_deb_enter(LBS_DEB_CMD);
 118
 119         switch (type) {
 120         case CMD_RET(CMD_MAC_REG_ACCESS):
 121                 {
 122                         struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
 123
 124                         adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 125                         adapter->offsetvalue.value = le32_to_cpu(reg->value);
 126                         break;
 127                 }
 128
 129         case CMD_RET(CMD_BBP_REG_ACCESS):
 130                 {
 131                         struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
 132
 133                         adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 134                         adapter->offsetvalue.value = reg->value;
 135                         break;
 136                 }
 137
 138         case CMD_RET(CMD_RF_REG_ACCESS):
 139                 {
 140                         struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
 141
 142                         adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 143                         adapter->offsetvalue.value = reg->value;
 144                         break;
 145                 }
 146
 147         default:
 148                 ret = -1;
 149         }
 150
 151         lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
 152         return ret;
 153 }
 154
 155 static int wlan_ret_get_hw_spec(wlan_private * priv,
 156                                 struct cmd_ds_command *resp)
 157 {
 158         u32 i;
 159         struct cmd_ds_get_hw_spec *hwspec = &resp->params.hwspec;
 160         wlan_adapter *adapter = priv->adapter;
 161         int ret = 0;
 162
 163         lbs_deb_enter(LBS_DEB_CMD);
 164
 165         adapter->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
 166
 167         memcpy(adapter->fwreleasenumber, hwspec->fwreleasenumber, 4);
 168
 169         lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
 170                     adapter->fwreleasenumber[2], adapter->fwreleasenumber[1],
 171                     adapter->fwreleasenumber[0], adapter->fwreleasenumber[3]);
 172         lbs_deb_cmd("GET_HW_SPEC: MAC addr " MAC_FMT "\n",
 173                MAC_ARG(hwspec->permanentaddr));
 174         lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
 175                hwspec->hwifversion, hwspec->version);
 176
 177         adapter->regioncode = le16_to_cpu(hwspec->regioncode);
 178
 179         for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
 180                 /* use the region code to search for the index */
 181                 if (adapter->regioncode == libertas_region_code_to_index[i]) {
 182                         adapter->regiontableindex = (u16) i;
 183                         break;
 184                 }
 185         }
 186
 187         /* if it's unidentified region code, use the default (USA) */
 188         if (i >= MRVDRV_MAX_REGION_CODE) {
 189                 adapter->regioncode = 0x10;
 190                 adapter->regiontableindex = 0;
 191                 lbs_pr_info("unidentified region code; using the default (USA)\n");
 192         }
 193
 194         if (adapter->current_addr[0] == 0xff)
 195                 memmove(adapter->current_addr, hwspec->permanentaddr, ETH_ALEN);
 196
 197         memcpy(priv->dev->dev_addr, adapter->current_addr, ETH_ALEN);
 198         if (priv->mesh_dev)
 199                 memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN);
 200
 201         if (libertas_set_regiontable(priv, adapter->regioncode, 0)) {
 202                 ret = -1;
 203                 goto done;
 204         }
 205
 206         if (libertas_set_universaltable(priv, 0)) {
 207                 ret = -1;
 208                 goto done;
 209         }
 210
 211 done:
 212         lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
 213         return ret;
 214 }
 215
 216 static int wlan_ret_802_11_sleep_params(wlan_private * priv,
 217                                         struct cmd_ds_command *resp)
 218 {
 219         struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
 220         wlan_adapter *adapter = priv->adapter;
 221
 222         lbs_deb_enter(LBS_DEB_CMD);
 223
 224         lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, calcontrol 0x%x "
 225                     "extsleepclk 0x%x\n", le16_to_cpu(sp->error),
 226                     le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
 227                     sp->calcontrol, sp->externalsleepclk);
 228
 229         adapter->sp.sp_error = le16_to_cpu(sp->error);
 230         adapter->sp.sp_offset = le16_to_cpu(sp->offset);
 231         adapter->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
 232         adapter->sp.sp_calcontrol = sp->calcontrol;
 233         adapter->sp.sp_extsleepclk = sp->externalsleepclk;
 234         adapter->sp.sp_reserved = le16_to_cpu(sp->reserved);
 235
 236         lbs_deb_enter(LBS_DEB_CMD);
 237         return 0;
 238 }
 239
 240 static int wlan_ret_802_11_stat(wlan_private * priv,
 241                                 struct cmd_ds_command *resp)
 242 {
 243         lbs_deb_enter(LBS_DEB_CMD);
 244 /*      currently adapter->wlan802_11Stat is unused
 245
 246         struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
 247         wlan_adapter *adapter = priv->adapter;
 248
 249         // TODO Convert it to Big endian befor copy
 250         memcpy(&adapter->wlan802_11Stat,
 251                p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
 252 */
 253         lbs_deb_leave(LBS_DEB_CMD);
 254         return 0;
 255 }
 256
 257 static int wlan_ret_802_11_snmp_mib(wlan_private * priv,
 258                                     struct cmd_ds_command *resp)
 259 {
 260         struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 261         u16 oid = le16_to_cpu(smib->oid);
 262         u16 querytype = le16_to_cpu(smib->querytype);
 263
 264         lbs_deb_enter(LBS_DEB_CMD);
 265
 266         lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
 267                querytype);
 268         lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
 269
 270         if (querytype == CMD_ACT_GET) {
 271                 switch (oid) {
 272                 case FRAGTHRESH_I:
 273                         priv->adapter->fragthsd =
 274                                 le16_to_cpu(*((__le16 *)(smib->value)));
 275                         lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
 276                                     priv->adapter->fragthsd);
 277                         break;
 278                 case RTSTHRESH_I:
 279                         priv->adapter->rtsthsd =
 280                                 le16_to_cpu(*((__le16 *)(smib->value)));
 281                         lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
 282                                     priv->adapter->rtsthsd);
 283                         break;
 284                 case SHORT_RETRYLIM_I:
 285                         priv->adapter->txretrycount =
 286                                 le16_to_cpu(*((__le16 *)(smib->value)));
 287                         lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
 288                                     priv->adapter->rtsthsd);
 289                         break;
 290                 default:
 291                         break;
 292                 }
 293         }
 294
 295         lbs_deb_enter(LBS_DEB_CMD);
 296         return 0;
 297 }
 298
 299 static int wlan_ret_802_11_key_material(wlan_private * priv,
 300                                         struct cmd_ds_command *resp)
 301 {
 302         struct cmd_ds_802_11_key_material *pkeymaterial =
 303             &resp->params.keymaterial;
 304         wlan_adapter *adapter = priv->adapter;
 305         u16 action = le16_to_cpu(pkeymaterial->action);
 306
 307         lbs_deb_enter(LBS_DEB_CMD);
 308
 309         /* Copy the returned key to driver private data */
 310         if (action == CMD_ACT_GET) {
 311                 u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
 312                 u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
 313
 314                 while (buf_ptr < resp_end) {
 315                         struct MrvlIEtype_keyParamSet * pkeyparamset =
 316                             (struct MrvlIEtype_keyParamSet *) buf_ptr;
 317                         struct enc_key * pkey;
 318                         u16 param_set_len = le16_to_cpu(pkeyparamset->length);
 319                         u16 key_len = le16_to_cpu(pkeyparamset->keylen);
 320                         u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
 321                         u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
 322                         u8 * end;
 323
 324                         end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
 325                                                   + sizeof (pkeyparamset->length)
 326                                                   + param_set_len;
 327                         /* Make sure we don't access past the end of the IEs */
 328                         if (end > resp_end)
 329                                 break;
 330
 331                         if (key_flags & KEY_INFO_WPA_UNICAST)
 332                                 pkey = &adapter->wpa_unicast_key;
 333                         else if (key_flags & KEY_INFO_WPA_MCAST)
 334                                 pkey = &adapter->wpa_mcast_key;
 335                         else
 336                                 break;
 337
 338                         /* Copy returned key into driver */
 339                         memset(pkey, 0, sizeof(struct enc_key));
 340                         if (key_len > sizeof(pkey->key))
 341                                 break;
 342                         pkey->type = key_type;
 343                         pkey->flags = key_flags;
 344                         pkey->len = key_len;
 345                         memcpy(pkey->key, pkeyparamset->key, pkey->len);
 346
 347                         buf_ptr = end + 1;
 348                 }
 349         }
 350
 351         lbs_deb_enter(LBS_DEB_CMD);
 352         return 0;
 353 }
 354
 355 static int wlan_ret_802_11_mac_address(wlan_private * priv,
 356                                        struct cmd_ds_command *resp)
 357 {
 358         struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
 359         wlan_adapter *adapter = priv->adapter;
 360
 361         lbs_deb_enter(LBS_DEB_CMD);
 362
 363         memcpy(adapter->current_addr, macadd->macadd, ETH_ALEN);
 364
 365         lbs_deb_enter(LBS_DEB_CMD);
 366         return 0;
 367 }
 368
 369 static int wlan_ret_802_11_rf_tx_power(wlan_private * priv,
 370                                        struct cmd_ds_command *resp)
 371 {
 372         struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
 373         wlan_adapter *adapter = priv->adapter;
 374
 375         lbs_deb_enter(LBS_DEB_CMD);
 376
 377         adapter->txpowerlevel = le16_to_cpu(rtp->currentlevel);
 378
 379         lbs_deb_cmd("TX power currently %d\n", adapter->txpowerlevel);
 380
 381         lbs_deb_leave(LBS_DEB_CMD);
 382         return 0;
 383 }
 384
 385 static int wlan_ret_802_11_rate_adapt_rateset(wlan_private * priv,
 386                                               struct cmd_ds_command *resp)
 387 {
 388         struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
 389         wlan_adapter *adapter = priv->adapter;
 390
 391         lbs_deb_enter(LBS_DEB_CMD);
 392
 393         if (rates->action == CMD_ACT_GET) {
 394                 adapter->enablehwauto = le16_to_cpu(rates->enablehwauto);
 395                 adapter->ratebitmap = le16_to_cpu(rates->bitmap);
 396         }
 397
 398         lbs_deb_leave(LBS_DEB_CMD);
 399         return 0;
 400 }
 401
 402 static int wlan_ret_802_11_data_rate(wlan_private * priv,
 403                                      struct cmd_ds_command *resp)
 404 {
 405         struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
 406         wlan_adapter *adapter = priv->adapter;
 407
 408         lbs_deb_enter(LBS_DEB_CMD);
 409
 410         lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) pdatarate,
 411                 sizeof(struct cmd_ds_802_11_data_rate));
 412
 413         /* FIXME: get actual rates FW can do if this command actually returns
 414          * all data rates supported.
 415          */
 416         adapter->cur_rate = libertas_fw_index_to_data_rate(pdatarate->rates[0]);
 417         lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", adapter->cur_rate);
 418
 419         lbs_deb_leave(LBS_DEB_CMD);
 420         return 0;
 421 }
 422
 423 static int wlan_ret_802_11_rf_channel(wlan_private * priv,
 424                                       struct cmd_ds_command *resp)
 425 {
 426         struct cmd_ds_802_11_rf_channel *rfchannel = &resp->params.rfchannel;
 427         wlan_adapter *adapter = priv->adapter;
 428         u16 action = le16_to_cpu(rfchannel->action);
 429         u16 newchannel = le16_to_cpu(rfchannel->currentchannel);
 430
 431         lbs_deb_enter(LBS_DEB_CMD);
 432
 433         if (action == CMD_OPT_802_11_RF_CHANNEL_GET
 434             && adapter->curbssparams.channel != newchannel) {
 435                 lbs_deb_cmd("channel switch from %d to %d\n",
 436                        adapter->curbssparams.channel, newchannel);
 437
 438                 /* Update the channel again */
 439                 adapter->curbssparams.channel = newchannel;
 440         }
 441
 442         lbs_deb_enter(LBS_DEB_CMD);
 443         return 0;
 444 }
 445
 446 static int wlan_ret_802_11_rssi(wlan_private * priv,
 447                                 struct cmd_ds_command *resp)
 448 {
 449         struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
 450         wlan_adapter *adapter = priv->adapter;
 451
 452         lbs_deb_enter(LBS_DEB_CMD);
 453
 454         /* store the non average value */
 455         adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
 456         adapter->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
 457
 458         adapter->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
 459         adapter->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
 460
 461         adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] =
 462             CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
 463                      adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
 464
 465         adapter->RSSI[TYPE_BEACON][TYPE_AVG] =
 466             CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
 467                      adapter->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
 468
 469         lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
 470                adapter->RSSI[TYPE_BEACON][TYPE_NOAVG],
 471                adapter->RSSI[TYPE_BEACON][TYPE_AVG]);
 472
 473         lbs_deb_leave(LBS_DEB_CMD);
 474         return 0;
 475 }
 476
 477 static int wlan_ret_802_11_eeprom_access(wlan_private * priv,
 478                                   struct cmd_ds_command *resp)
 479 {
 480         wlan_adapter *adapter = priv->adapter;
 481         struct wlan_ioctl_regrdwr *pbuf;
 482         pbuf = (struct wlan_ioctl_regrdwr *) adapter->prdeeprom;
 483
 484         lbs_deb_enter_args(LBS_DEB_CMD, "len %d",
 485                le16_to_cpu(resp->params.rdeeprom.bytecount));
 486         if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
 487                 pbuf->NOB = 0;
 488                 lbs_deb_cmd("EEPROM read length too big\n");
 489                 return -1;
 490         }
 491         pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
 492         if (pbuf->NOB > 0) {
 493
 494                 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
 495                        le16_to_cpu(resp->params.rdeeprom.bytecount));
 496                 lbs_deb_hex(LBS_DEB_CMD, "EEPROM", (char *)&pbuf->value,
 497                         le16_to_cpu(resp->params.rdeeprom.bytecount));
 498         }
 499         lbs_deb_leave(LBS_DEB_CMD);
 500         return 0;
 501 }
 502
 503 static int wlan_ret_get_log(wlan_private * priv,
 504                             struct cmd_ds_command *resp)
 505 {
 506         struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
 507         wlan_adapter *adapter = priv->adapter;
 508
 509         lbs_deb_enter(LBS_DEB_CMD);
 510
 511         /* Stored little-endian */
 512         memcpy(&adapter->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
 513
 514         lbs_deb_leave(LBS_DEB_CMD);
 515         return 0;
 516 }
 517
 518 static int libertas_ret_802_11_enable_rsn(wlan_private * priv,
 519                                           struct cmd_ds_command *resp)
 520 {
 521         struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
 522         wlan_adapter *adapter = priv->adapter;
 523         u32 * pdata_buf = adapter->cur_cmd->pdata_buf;
 524
 525         lbs_deb_enter(LBS_DEB_CMD);
 526
 527         if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
 528                 if (pdata_buf)
 529                         *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
 530         }
 531
 532         lbs_deb_leave(LBS_DEB_CMD);
 533         return 0;
 534 }
 535
 536 static inline int handle_cmd_response(u16 respcmd,
 537                                       struct cmd_ds_command *resp,
 538                                       wlan_private *priv)
 539 {
 540         int ret = 0;
 541         unsigned long flags;
 542         wlan_adapter *adapter = priv->adapter;
 543
 544         lbs_deb_enter(LBS_DEB_HOST);
 545
 546         switch (respcmd) {
 547         case CMD_RET(CMD_MAC_REG_ACCESS):
 548         case CMD_RET(CMD_BBP_REG_ACCESS):
 549         case CMD_RET(CMD_RF_REG_ACCESS):
 550                 ret = wlan_ret_reg_access(priv, respcmd, resp);
 551                 break;
 552
 553         case CMD_RET(CMD_GET_HW_SPEC):
 554                 ret = wlan_ret_get_hw_spec(priv, resp);
 555                 break;
 556
 557         case CMD_RET(CMD_802_11_SCAN):
 558                 ret = libertas_ret_80211_scan(priv, resp);
 559                 break;
 560
 561         case CMD_RET(CMD_802_11_GET_LOG):
 562                 ret = wlan_ret_get_log(priv, resp);
 563                 break;
 564
 565         case CMD_RET_802_11_ASSOCIATE:
 566         case CMD_RET(CMD_802_11_ASSOCIATE):
 567         case CMD_RET(CMD_802_11_REASSOCIATE):
 568                 ret = libertas_ret_80211_associate(priv, resp);
 569                 break;
 570
 571         case CMD_RET(CMD_802_11_DISASSOCIATE):
 572         case CMD_RET(CMD_802_11_DEAUTHENTICATE):
 573                 ret = libertas_ret_80211_disassociate(priv, resp);
 574                 break;
 575
 576         case CMD_RET(CMD_802_11_AD_HOC_START):
 577         case CMD_RET(CMD_802_11_AD_HOC_JOIN):
 578                 ret = libertas_ret_80211_ad_hoc_start(priv, resp);
 579                 break;
 580
 581         case CMD_RET(CMD_802_11_GET_STAT):
 582                 ret = wlan_ret_802_11_stat(priv, resp);
 583                 break;
 584
 585         case CMD_RET(CMD_802_11_SNMP_MIB):
 586                 ret = wlan_ret_802_11_snmp_mib(priv, resp);
 587                 break;
 588
 589         case CMD_RET(CMD_802_11_RF_TX_POWER):
 590                 ret = wlan_ret_802_11_rf_tx_power(priv, resp);
 591                 break;
 592
 593         case CMD_RET(CMD_802_11_SET_AFC):
 594         case CMD_RET(CMD_802_11_GET_AFC):
 595                 spin_lock_irqsave(&adapter->driver_lock, flags);
 596                 memmove(adapter->cur_cmd->pdata_buf, &resp->params.afc,
 597                         sizeof(struct cmd_ds_802_11_afc));
 598                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 599
 600                 break;
 601
 602         case CMD_RET(CMD_MAC_MULTICAST_ADR):
 603         case CMD_RET(CMD_MAC_CONTROL):
 604         case CMD_RET(CMD_802_11_SET_WEP):
 605         case CMD_RET(CMD_802_11_RESET):
 606         case CMD_RET(CMD_802_11_AUTHENTICATE):
 607         case CMD_RET(CMD_802_11_RADIO_CONTROL):
 608         case CMD_RET(CMD_802_11_BEACON_STOP):
 609                 break;
 610
 611         case CMD_RET(CMD_802_11_ENABLE_RSN):
 612                 ret = libertas_ret_802_11_enable_rsn(priv, resp);
 613                 break;
 614
 615         case CMD_RET(CMD_802_11_DATA_RATE):
 616                 ret = wlan_ret_802_11_data_rate(priv, resp);
 617                 break;
 618         case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
 619                 ret = wlan_ret_802_11_rate_adapt_rateset(priv, resp);
 620                 break;
 621         case CMD_RET(CMD_802_11_RF_CHANNEL):
 622                 ret = wlan_ret_802_11_rf_channel(priv, resp);
 623                 break;
 624
 625         case CMD_RET(CMD_802_11_RSSI):
 626                 ret = wlan_ret_802_11_rssi(priv, resp);
 627                 break;
 628
 629         case CMD_RET(CMD_802_11_MAC_ADDRESS):
 630                 ret = wlan_ret_802_11_mac_address(priv, resp);
 631                 break;
 632
 633         case CMD_RET(CMD_802_11_AD_HOC_STOP):
 634                 ret = libertas_ret_80211_ad_hoc_stop(priv, resp);
 635                 break;
 636
 637         case CMD_RET(CMD_802_11_KEY_MATERIAL):
 638                 ret = wlan_ret_802_11_key_material(priv, resp);
 639                 break;
 640
 641         case CMD_RET(CMD_802_11_EEPROM_ACCESS):
 642                 ret = wlan_ret_802_11_eeprom_access(priv, resp);
 643                 break;
 644
 645         case CMD_RET(CMD_802_11D_DOMAIN_INFO):
 646                 ret = libertas_ret_802_11d_domain_info(priv, resp);
 647                 break;
 648
 649         case CMD_RET(CMD_802_11_SLEEP_PARAMS):
 650                 ret = wlan_ret_802_11_sleep_params(priv, resp);
 651                 break;
 652         case CMD_RET(CMD_802_11_INACTIVITY_TIMEOUT):
 653                 spin_lock_irqsave(&adapter->driver_lock, flags);
 654                 *((u16 *) adapter->cur_cmd->pdata_buf) =
 655                     le16_to_cpu(resp->params.inactivity_timeout.timeout);
 656                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 657                 break;
 658
 659         case CMD_RET(CMD_802_11_TPC_CFG):
 660                 spin_lock_irqsave(&adapter->driver_lock, flags);
 661                 memmove(adapter->cur_cmd->pdata_buf, &resp->params.tpccfg,
 662                         sizeof(struct cmd_ds_802_11_tpc_cfg));
 663                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 664                 break;
 665         case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
 666                 spin_lock_irqsave(&adapter->driver_lock, flags);
 667                 memmove(adapter->cur_cmd->pdata_buf, &resp->params.ledgpio,
 668                         sizeof(struct cmd_ds_802_11_led_ctrl));
 669                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 670                 break;
 671         case CMD_RET(CMD_802_11_PWR_CFG):
 672                 spin_lock_irqsave(&adapter->driver_lock, flags);
 673                 memmove(adapter->cur_cmd->pdata_buf, &resp->params.pwrcfg,
 674                         sizeof(struct cmd_ds_802_11_pwr_cfg));
 675                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 676
 677                 break;
 678
 679         case CMD_RET(CMD_GET_TSF):
 680                 spin_lock_irqsave(&adapter->driver_lock, flags);
 681                 memcpy(priv->adapter->cur_cmd->pdata_buf,
 682                        &resp->params.gettsf.tsfvalue, sizeof(u64));
 683                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 684                 break;
 685         case CMD_RET(CMD_BT_ACCESS):
 686                 spin_lock_irqsave(&adapter->driver_lock, flags);
 687                 if (adapter->cur_cmd->pdata_buf)
 688                         memcpy(adapter->cur_cmd->pdata_buf,
 689                                &resp->params.bt.addr1, 2 * ETH_ALEN);
 690                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 691                 break;
 692         case CMD_RET(CMD_FWT_ACCESS):
 693                 spin_lock_irqsave(&adapter->driver_lock, flags);
 694                 if (adapter->cur_cmd->pdata_buf)
 695                         memcpy(adapter->cur_cmd->pdata_buf, &resp->params.fwt,
 696                                sizeof(resp->params.fwt));
 697                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 698                 break;
 699         case CMD_RET(CMD_MESH_ACCESS):
 700                 if (adapter->cur_cmd->pdata_buf)
 701                         memcpy(adapter->cur_cmd->pdata_buf, &resp->params.mesh,
 702                                sizeof(resp->params.mesh));
 703                 break;
 704         default:
 705                 lbs_deb_host("CMD_RESP: unknown cmd response 0x%04x\n",
 706                             resp->command);
 707                 break;
 708         }
 709         lbs_deb_leave(LBS_DEB_HOST);
 710         return ret;
 711 }
 712
 713 int libertas_process_rx_command(wlan_private * priv)
 714 {
 715         u16 respcmd;
 716         struct cmd_ds_command *resp;
 717         wlan_adapter *adapter = priv->adapter;
 718         int ret = 0;
 719         ulong flags;
 720         u16 result;
 721
 722         lbs_deb_enter(LBS_DEB_HOST);
 723
 724         /* Now we got response from FW, cancel the command timer */
 725         del_timer(&adapter->command_timer);
 726
 727         mutex_lock(&adapter->lock);
 728         spin_lock_irqsave(&adapter->driver_lock, flags);
 729
 730         if (!adapter->cur_cmd) {
 731                 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
 732                 ret = -1;
 733                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 734                 goto done;
 735         }
 736         resp = (struct cmd_ds_command *)(adapter->cur_cmd->bufvirtualaddr);
 737
 738         respcmd = le16_to_cpu(resp->command);
 739         result = le16_to_cpu(resp->result);
 740
 741         lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n",
 742                 respcmd, priv->upld_len, jiffies);
 743         lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", adapter->cur_cmd->bufvirtualaddr,
 744                     priv->upld_len);
 745
 746         if (!(respcmd & 0x8000)) {
 747                 lbs_deb_host("invalid response!\n");
 748                 adapter->cur_cmd_retcode = -1;
 749                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
 750                 adapter->nr_cmd_pending--;
 751                 adapter->cur_cmd = NULL;
 752                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 753                 ret = -1;
 754                 goto done;
 755         }
 756
 757         /* Store the response code to cur_cmd_retcode. */
 758         adapter->cur_cmd_retcode = result;;
 759
 760         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
 761                 struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode;
 762                 u16 action = le16_to_cpu(psmode->action);
 763
 764                 lbs_deb_host(
 765                        "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
 766                        result, action);
 767
 768                 if (result) {
 769                         lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
 770                                     result);
 771                         /*
 772                          * We should not re-try enter-ps command in
 773                          * ad-hoc mode. It takes place in
 774                          * libertas_execute_next_command().
 775                          */
 776                         if (adapter->mode == IW_MODE_ADHOC &&
 777                             action == CMD_SUBCMD_ENTER_PS)
 778                                 adapter->psmode = WLAN802_11POWERMODECAM;
 779                 } else if (action == CMD_SUBCMD_ENTER_PS) {
 780                         adapter->needtowakeup = 0;
 781                         adapter->psstate = PS_STATE_AWAKE;
 782
 783                         lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
 784                         if (adapter->connect_status != LIBERTAS_CONNECTED) {
 785                                 /*
 786                                  * When Deauth Event received before Enter_PS command
 787                                  * response, We need to wake up the firmware.
 788                                  */
 789                                 lbs_deb_host(
 790                                        "disconnected, invoking libertas_ps_wakeup\n");
 791
 792                                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 793                                 mutex_unlock(&adapter->lock);
 794                                 libertas_ps_wakeup(priv, 0);
 795                                 mutex_lock(&adapter->lock);
 796                                 spin_lock_irqsave(&adapter->driver_lock, flags);
 797                         }
 798                 } else if (action == CMD_SUBCMD_EXIT_PS) {
 799                         adapter->needtowakeup = 0;
 800                         adapter->psstate = PS_STATE_FULL_POWER;
 801                         lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
 802                 } else {
 803                         lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
 804                 }
 805
 806                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
 807                 adapter->nr_cmd_pending--;
 808                 adapter->cur_cmd = NULL;
 809                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 810
 811                 ret = 0;
 812                 goto done;
 813         }
 814
 815         if (adapter->cur_cmd->cmdflags & CMD_F_HOSTCMD) {
 816                 /* Copy the response back to response buffer */
 817                 memcpy(adapter->cur_cmd->pdata_buf, resp, resp->size);
 818
 819                 adapter->cur_cmd->cmdflags &= ~CMD_F_HOSTCMD;
 820         }
 821
 822         /* If the command is not successful, cleanup and return failure */
 823         if ((result != 0 || !(respcmd & 0x8000))) {
 824                 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
 825                        result, respcmd);
 826                 /*
 827                  * Handling errors here
 828                  */
 829                 switch (respcmd) {
 830                 case CMD_RET(CMD_GET_HW_SPEC):
 831                 case CMD_RET(CMD_802_11_RESET):
 832                         lbs_deb_host("CMD_RESP: reset failed\n");
 833                         break;
 834
 835                 }
 836
 837                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
 838                 adapter->nr_cmd_pending--;
 839                 adapter->cur_cmd = NULL;
 840                 spin_unlock_irqrestore(&adapter->driver_lock, flags);
 841
 842                 ret = -1;
 843                 goto done;
 844         }
 845
 846         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 847
 848         ret = handle_cmd_response(respcmd, resp, priv);
 849
 850         spin_lock_irqsave(&adapter->driver_lock, flags);
 851         if (adapter->cur_cmd) {
 852                 /* Clean up and Put current command back to cmdfreeq */
 853                 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
 854                 adapter->nr_cmd_pending--;
 855                 WARN_ON(adapter->nr_cmd_pending > 128);
 856                 adapter->cur_cmd = NULL;
 857         }
 858         spin_unlock_irqrestore(&adapter->driver_lock, flags);
 859
 860 done:
 861         mutex_unlock(&adapter->lock);
 862         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
 863         return ret;
 864 }
 865
 866 int libertas_process_event(wlan_private * priv)
 867 {
 868         int ret = 0;
 869         wlan_adapter *adapter = priv->adapter;
 870         u32 eventcause;
 871
 872         spin_lock_irq(&adapter->driver_lock);
 873         eventcause = adapter->eventcause;
 874         spin_unlock_irq(&adapter->driver_lock);
 875
 876         lbs_deb_enter(LBS_DEB_CMD);
 877
 878         lbs_deb_cmd("event cause 0x%x\n", eventcause);
 879
 880         switch (eventcause >> SBI_EVENT_CAUSE_SHIFT) {
 881         case MACREG_INT_CODE_LINK_SENSED:
 882                 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
 883                 break;
 884
 885         case MACREG_INT_CODE_DEAUTHENTICATED:
 886                 lbs_deb_cmd("EVENT: deauthenticated\n");
 887                 libertas_mac_event_disconnected(priv);
 888                 break;
 889
 890         case MACREG_INT_CODE_DISASSOCIATED:
 891                 lbs_deb_cmd("EVENT: disassociated\n");
 892                 libertas_mac_event_disconnected(priv);
 893                 break;
 894
 895         case MACREG_INT_CODE_LINK_LOSE_NO_SCAN:
 896                 lbs_deb_cmd("EVENT: link lost\n");
 897                 libertas_mac_event_disconnected(priv);
 898                 break;
 899
 900         case MACREG_INT_CODE_PS_SLEEP:
 901                 lbs_deb_cmd("EVENT: sleep\n");
 902
 903                 /* handle unexpected PS SLEEP event */
 904                 if (adapter->psstate == PS_STATE_FULL_POWER) {
 905                         lbs_deb_cmd(
 906                                "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
 907                         break;
 908                 }
 909                 adapter->psstate = PS_STATE_PRE_SLEEP;
 910
 911                 libertas_ps_confirm_sleep(priv, (u16) adapter->psmode);
 912
 913                 break;
 914
 915         case MACREG_INT_CODE_PS_AWAKE:
 916                 lbs_deb_cmd("EVENT: awake\n");
 917
 918                 /* handle unexpected PS AWAKE event */
 919                 if (adapter->psstate == PS_STATE_FULL_POWER) {
 920                         lbs_deb_cmd(
 921                                "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
 922                         break;
 923                 }
 924
 925                 adapter->psstate = PS_STATE_AWAKE;
 926
 927                 if (adapter->needtowakeup) {
 928                         /*
 929                          * wait for the command processing to finish
 930                          * before resuming sending
 931                          * adapter->needtowakeup will be set to FALSE
 932                          * in libertas_ps_wakeup()
 933                          */
 934                         lbs_deb_cmd("waking up ...\n");
 935                         libertas_ps_wakeup(priv, 0);
 936                 }
 937                 break;
 938
 939         case MACREG_INT_CODE_MIC_ERR_UNICAST:
 940                 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
 941                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
 942                 break;
 943
 944         case MACREG_INT_CODE_MIC_ERR_MULTICAST:
 945                 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
 946                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
 947                 break;
 948         case MACREG_INT_CODE_MIB_CHANGED:
 949         case MACREG_INT_CODE_INIT_DONE:
 950                 break;
 951
 952         case MACREG_INT_CODE_ADHOC_BCN_LOST:
 953                 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
 954                 break;
 955
 956         case MACREG_INT_CODE_RSSI_LOW:
 957                 lbs_pr_alert("EVENT: rssi low\n");
 958                 break;
 959         case MACREG_INT_CODE_SNR_LOW:
 960                 lbs_pr_alert("EVENT: snr low\n");
 961                 break;
 962         case MACREG_INT_CODE_MAX_FAIL:
 963                 lbs_pr_alert("EVENT: max fail\n");
 964                 break;
 965         case MACREG_INT_CODE_RSSI_HIGH:
 966                 lbs_pr_alert("EVENT: rssi high\n");
 967                 break;
 968         case MACREG_INT_CODE_SNR_HIGH:
 969                 lbs_pr_alert("EVENT: snr high\n");
 970                 break;
 971
 972         case MACREG_INT_CODE_MESH_AUTO_STARTED:
 973                 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
 974                 adapter->connect_status = LIBERTAS_CONNECTED;
 975                 if (priv->mesh_open == 1) {
 976                         netif_wake_queue(priv->mesh_dev);
 977                         netif_carrier_on(priv->mesh_dev);
 978                 }
 979                 adapter->mode = IW_MODE_ADHOC;
 980                 schedule_work(&priv->sync_channel);
 981                 break;
 982
 983         default:
 984                 lbs_pr_alert("EVENT: unknown event id 0x%04x\n",
 985                        eventcause >> SBI_EVENT_CAUSE_SHIFT);
 986                 break;
 987         }
 988
 989         spin_lock_irq(&adapter->driver_lock);
 990         adapter->eventcause = 0;
 991         spin_unlock_irq(&adapter->driver_lock);
 992
 993         lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
 994         return ret;
 995 }