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 "assoc.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         /* report disconnect to upper layer */
  47         netif_stop_queue(priv->dev);
  48         netif_carrier_off(priv->dev);
  49
  50         /* Free Tx and Rx packets */
  51         kfree_skb(priv->currenttxskb);
  52         priv->currenttxskb = NULL;
  53         priv->tx_pending_len = 0;
  54
  55         /* reset SNR/NF/RSSI values */
  56         memset(priv->SNR, 0x00, sizeof(priv->SNR));
  57         memset(priv->NF, 0x00, sizeof(priv->NF));
  58         memset(priv->RSSI, 0x00, sizeof(priv->RSSI));
  59         memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
  60         memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
  61         priv->nextSNRNF = 0;
  62         priv->numSNRNF = 0;
  63         priv->connect_status = LBS_DISCONNECTED;
  64
  65         /* Clear out associated SSID and BSSID since connection is
  66          * no longer valid.
  67          */
  68         memset(&priv->curbssparams.bssid, 0, ETH_ALEN);
  69         memset(&priv->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
  70         priv->curbssparams.ssid_len = 0;
  71
  72         if (priv->psstate != PS_STATE_FULL_POWER) {
  73                 /* make firmware to exit PS mode */
  74                 lbs_deb_cmd("disconnected, so exit PS mode\n");
  75                 lbs_ps_wakeup(priv, 0);
  76         }
  77         lbs_deb_leave(LBS_DEB_ASSOC);
  78 }
  79
  80 /**
  81  *  @brief This function handles MIC failure event.
  82  *
  83  *  @param priv    A pointer to struct lbs_private structure
  84  *  @para  event   the event id
  85  *  @return        n/a
  86  */
  87 static void handle_mic_failureevent(struct lbs_private *priv, u32 event)
  88 {
  89         char buf[50];
  90
  91         lbs_deb_enter(LBS_DEB_CMD);
  92         memset(buf, 0, sizeof(buf));
  93
  94         sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
  95
  96         if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
  97                 strcat(buf, "unicast ");
  98         } else {
  99                 strcat(buf, "multicast ");
 100         }
 101
 102         lbs_send_iwevcustom_event(priv, buf);
 103         lbs_deb_leave(LBS_DEB_CMD);
 104 }
 105
 106 static int lbs_ret_reg_access(struct lbs_private *priv,
 107                                u16 type, struct cmd_ds_command *resp)
 108 {
 109         int ret = 0;
 110
 111         lbs_deb_enter(LBS_DEB_CMD);
 112
 113         switch (type) {
 114         case CMD_RET(CMD_MAC_REG_ACCESS):
 115                 {
 116                         struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
 117
 118                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 119                         priv->offsetvalue.value = le32_to_cpu(reg->value);
 120                         break;
 121                 }
 122
 123         case CMD_RET(CMD_BBP_REG_ACCESS):
 124                 {
 125                         struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
 126
 127                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 128                         priv->offsetvalue.value = reg->value;
 129                         break;
 130                 }
 131
 132         case CMD_RET(CMD_RF_REG_ACCESS):
 133                 {
 134                         struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
 135
 136                         priv->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
 137                         priv->offsetvalue.value = reg->value;
 138                         break;
 139                 }
 140
 141         default:
 142                 ret = -1;
 143         }
 144
 145         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 146         return ret;
 147 }
 148
 149 static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
 150                                     struct cmd_ds_command *resp)
 151 {
 152         struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
 153         u16 oid = le16_to_cpu(smib->oid);
 154         u16 querytype = le16_to_cpu(smib->querytype);
 155
 156         lbs_deb_enter(LBS_DEB_CMD);
 157
 158         lbs_deb_cmd("SNMP_RESP: oid 0x%x, querytype 0x%x\n", oid,
 159                querytype);
 160         lbs_deb_cmd("SNMP_RESP: Buf size %d\n", le16_to_cpu(smib->bufsize));
 161
 162         if (querytype == CMD_ACT_GET) {
 163                 switch (oid) {
 164                 case FRAGTHRESH_I:
 165                         priv->fragthsd =
 166                                 le16_to_cpu(*((__le16 *)(smib->value)));
 167                         lbs_deb_cmd("SNMP_RESP: frag threshold %u\n",
 168                                     priv->fragthsd);
 169                         break;
 170                 case RTSTHRESH_I:
 171                         priv->rtsthsd =
 172                                 le16_to_cpu(*((__le16 *)(smib->value)));
 173                         lbs_deb_cmd("SNMP_RESP: rts threshold %u\n",
 174                                     priv->rtsthsd);
 175                         break;
 176                 case SHORT_RETRYLIM_I:
 177                         priv->txretrycount =
 178                                 le16_to_cpu(*((__le16 *)(smib->value)));
 179                         lbs_deb_cmd("SNMP_RESP: tx retry count %u\n",
 180                                     priv->rtsthsd);
 181                         break;
 182                 default:
 183                         break;
 184                 }
 185         }
 186
 187         lbs_deb_enter(LBS_DEB_CMD);
 188         return 0;
 189 }
 190
 191 static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
 192                                        struct cmd_ds_command *resp)
 193 {
 194         struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
 195
 196         lbs_deb_enter(LBS_DEB_CMD);
 197
 198         priv->txpowerlevel = le16_to_cpu(rtp->currentlevel);
 199
 200         lbs_deb_cmd("TX power currently %d\n", priv->txpowerlevel);
 201
 202         lbs_deb_leave(LBS_DEB_CMD);
 203         return 0;
 204 }
 205
 206 static int lbs_ret_802_11_rssi(struct lbs_private *priv,
 207                                 struct cmd_ds_command *resp)
 208 {
 209         struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
 210
 211         lbs_deb_enter(LBS_DEB_CMD);
 212
 213         /* store the non average value */
 214         priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
 215         priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
 216
 217         priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
 218         priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
 219
 220         priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
 221             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
 222                      priv->NF[TYPE_BEACON][TYPE_NOAVG]);
 223
 224         priv->RSSI[TYPE_BEACON][TYPE_AVG] =
 225             CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
 226                      priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
 227
 228         lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
 229                priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
 230                priv->RSSI[TYPE_BEACON][TYPE_AVG]);
 231
 232         lbs_deb_leave(LBS_DEB_CMD);
 233         return 0;
 234 }
 235
 236 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
 237                                         struct cmd_ds_command *resp)
 238 {
 239         struct cmd_ds_802_11_beacon_control *bcn_ctrl =
 240             &resp->params.bcn_ctrl;
 241
 242         lbs_deb_enter(LBS_DEB_CMD);
 243
 244         if (bcn_ctrl->action == CMD_ACT_GET) {
 245                 priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
 246                 priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
 247         }
 248
 249         lbs_deb_enter(LBS_DEB_CMD);
 250         return 0;
 251 }
 252
 253 static inline int handle_cmd_response(struct lbs_private *priv,
 254                                       struct cmd_header *cmd_response)
 255 {
 256         struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
 257         int ret = 0;
 258         unsigned long flags;
 259         uint16_t respcmd = le16_to_cpu(resp->command);
 260
 261         lbs_deb_enter(LBS_DEB_HOST);
 262
 263         switch (respcmd) {
 264         case CMD_RET(CMD_MAC_REG_ACCESS):
 265         case CMD_RET(CMD_BBP_REG_ACCESS):
 266         case CMD_RET(CMD_RF_REG_ACCESS):
 267                 ret = lbs_ret_reg_access(priv, respcmd, resp);
 268                 break;
 269
 270         case CMD_RET_802_11_ASSOCIATE:
 271         case CMD_RET(CMD_802_11_ASSOCIATE):
 272         case CMD_RET(CMD_802_11_REASSOCIATE):
 273                 ret = lbs_ret_80211_associate(priv, resp);
 274                 break;
 275
 276         case CMD_RET(CMD_802_11_DISASSOCIATE):
 277         case CMD_RET(CMD_802_11_DEAUTHENTICATE):
 278                 ret = lbs_ret_80211_disassociate(priv);
 279                 break;
 280
 281         case CMD_RET(CMD_802_11_AD_HOC_START):
 282         case CMD_RET(CMD_802_11_AD_HOC_JOIN):
 283                 ret = lbs_ret_80211_ad_hoc_start(priv, resp);
 284                 break;
 285
 286         case CMD_RET(CMD_802_11_SNMP_MIB):
 287                 ret = lbs_ret_802_11_snmp_mib(priv, resp);
 288                 break;
 289
 290         case CMD_RET(CMD_802_11_RF_TX_POWER):
 291                 ret = lbs_ret_802_11_rf_tx_power(priv, resp);
 292                 break;
 293
 294         case CMD_RET(CMD_802_11_SET_AFC):
 295         case CMD_RET(CMD_802_11_GET_AFC):
 296                 spin_lock_irqsave(&priv->driver_lock, flags);
 297                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.afc,
 298                         sizeof(struct cmd_ds_802_11_afc));
 299                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 300
 301                 break;
 302
 303         case CMD_RET(CMD_802_11_RESET):
 304         case CMD_RET(CMD_802_11_AUTHENTICATE):
 305         case CMD_RET(CMD_802_11_BEACON_STOP):
 306                 break;
 307
 308         case CMD_RET(CMD_802_11_RSSI):
 309                 ret = lbs_ret_802_11_rssi(priv, resp);
 310                 break;
 311
 312         case CMD_RET(CMD_802_11_AD_HOC_STOP):
 313                 ret = lbs_ret_80211_ad_hoc_stop(priv);
 314                 break;
 315
 316         case CMD_RET(CMD_802_11D_DOMAIN_INFO):
 317                 ret = lbs_ret_802_11d_domain_info(resp);
 318                 break;
 319
 320         case CMD_RET(CMD_802_11_TPC_CFG):
 321                 spin_lock_irqsave(&priv->driver_lock, flags);
 322                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.tpccfg,
 323                         sizeof(struct cmd_ds_802_11_tpc_cfg));
 324                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 325                 break;
 326         case CMD_RET(CMD_802_11_LED_GPIO_CTRL):
 327                 spin_lock_irqsave(&priv->driver_lock, flags);
 328                 memmove((void *)priv->cur_cmd->callback_arg, &resp->params.ledgpio,
 329                         sizeof(struct cmd_ds_802_11_led_ctrl));
 330                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 331                 break;
 332
 333         case CMD_RET(CMD_GET_TSF):
 334                 spin_lock_irqsave(&priv->driver_lock, flags);
 335                 memcpy((void *)priv->cur_cmd->callback_arg,
 336                        &resp->params.gettsf.tsfvalue, sizeof(u64));
 337                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 338                 break;
 339         case CMD_RET(CMD_BT_ACCESS):
 340                 spin_lock_irqsave(&priv->driver_lock, flags);
 341                 if (priv->cur_cmd->callback_arg)
 342                         memcpy((void *)priv->cur_cmd->callback_arg,
 343                                &resp->params.bt.addr1, 2 * ETH_ALEN);
 344                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 345                 break;
 346         case CMD_RET(CMD_FWT_ACCESS):
 347                 spin_lock_irqsave(&priv->driver_lock, flags);
 348                 if (priv->cur_cmd->callback_arg)
 349                         memcpy((void *)priv->cur_cmd->callback_arg, &resp->params.fwt,
 350                                sizeof(resp->params.fwt));
 351                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 352                 break;
 353         case CMD_RET(CMD_802_11_BEACON_CTRL):
 354                 ret = lbs_ret_802_11_bcn_ctrl(priv, resp);
 355                 break;
 356
 357         default:
 358                 lbs_pr_err("CMD_RESP: unknown cmd response 0x%04x\n",
 359                            le16_to_cpu(resp->command));
 360                 break;
 361         }
 362         lbs_deb_leave(LBS_DEB_HOST);
 363         return ret;
 364 }
 365
 366 int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len)
 367 {
 368         uint16_t respcmd, curcmd;
 369         struct cmd_header *resp;
 370         int ret = 0;
 371         unsigned long flags;
 372         uint16_t result;
 373
 374         lbs_deb_enter(LBS_DEB_HOST);
 375
 376         mutex_lock(&priv->lock);
 377         spin_lock_irqsave(&priv->driver_lock, flags);
 378
 379         if (!priv->cur_cmd) {
 380                 lbs_deb_host("CMD_RESP: cur_cmd is NULL\n");
 381                 ret = -1;
 382                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 383                 goto done;
 384         }
 385
 386         resp = (void *)data;
 387         curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
 388         respcmd = le16_to_cpu(resp->command);
 389         result = le16_to_cpu(resp->result);
 390
 391         lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
 392                      respcmd, le16_to_cpu(resp->seqnum), len);
 393         lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);
 394
 395         if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
 396                 lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
 397                             le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
 398                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 399                 ret = -1;
 400                 goto done;
 401         }
 402         if (respcmd != CMD_RET(curcmd) &&
 403             respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) {
 404                 lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd);
 405                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 406                 ret = -1;
 407                 goto done;
 408         }
 409
 410         if (resp->result == cpu_to_le16(0x0004)) {
 411                 /* 0x0004 means -EAGAIN. Drop the response, let it time out
 412                    and be resubmitted */
 413                 lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n",
 414                             le16_to_cpu(resp->command));
 415                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 416                 ret = -1;
 417                 goto done;
 418         }
 419
 420         /* Now we got response from FW, cancel the command timer */
 421         del_timer(&priv->command_timer);
 422         priv->cmd_timed_out = 0;
 423         if (priv->nr_retries) {
 424                 lbs_pr_info("Received result %x to command %x after %d retries\n",
 425                             result, curcmd, priv->nr_retries);
 426                 priv->nr_retries = 0;
 427         }
 428
 429         /* Store the response code to cur_cmd_retcode. */
 430         priv->cur_cmd_retcode = result;
 431
 432         if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) {
 433                 struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1];
 434                 u16 action = le16_to_cpu(psmode->action);
 435
 436                 lbs_deb_host(
 437                        "CMD_RESP: PS_MODE cmd reply result 0x%x, action 0x%x\n",
 438                        result, action);
 439
 440                 if (result) {
 441                         lbs_deb_host("CMD_RESP: PS command failed with 0x%x\n",
 442                                     result);
 443                         /*
 444                          * We should not re-try enter-ps command in
 445                          * ad-hoc mode. It takes place in
 446                          * lbs_execute_next_command().
 447                          */
 448                         if (priv->mode == IW_MODE_ADHOC &&
 449                             action == CMD_SUBCMD_ENTER_PS)
 450                                 priv->psmode = LBS802_11POWERMODECAM;
 451                 } else if (action == CMD_SUBCMD_ENTER_PS) {
 452                         priv->needtowakeup = 0;
 453                         priv->psstate = PS_STATE_AWAKE;
 454
 455                         lbs_deb_host("CMD_RESP: ENTER_PS command response\n");
 456                         if (priv->connect_status != LBS_CONNECTED) {
 457                                 /*
 458                                  * When Deauth Event received before Enter_PS command
 459                                  * response, We need to wake up the firmware.
 460                                  */
 461                                 lbs_deb_host(
 462                                        "disconnected, invoking lbs_ps_wakeup\n");
 463
 464                                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 465                                 mutex_unlock(&priv->lock);
 466                                 lbs_ps_wakeup(priv, 0);
 467                                 mutex_lock(&priv->lock);
 468                                 spin_lock_irqsave(&priv->driver_lock, flags);
 469                         }
 470                 } else if (action == CMD_SUBCMD_EXIT_PS) {
 471                         priv->needtowakeup = 0;
 472                         priv->psstate = PS_STATE_FULL_POWER;
 473                         lbs_deb_host("CMD_RESP: EXIT_PS command response\n");
 474                 } else {
 475                         lbs_deb_host("CMD_RESP: PS action 0x%X\n", action);
 476                 }
 477
 478                 lbs_complete_command(priv, priv->cur_cmd, result);
 479                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 480
 481                 ret = 0;
 482                 goto done;
 483         }
 484
 485         /* If the command is not successful, cleanup and return failure */
 486         if ((result != 0 || !(respcmd & 0x8000))) {
 487                 lbs_deb_host("CMD_RESP: error 0x%04x in command reply 0x%04x\n",
 488                        result, respcmd);
 489                 /*
 490                  * Handling errors here
 491                  */
 492                 switch (respcmd) {
 493                 case CMD_RET(CMD_GET_HW_SPEC):
 494                 case CMD_RET(CMD_802_11_RESET):
 495                         lbs_deb_host("CMD_RESP: reset failed\n");
 496                         break;
 497
 498                 }
 499                 lbs_complete_command(priv, priv->cur_cmd, result);
 500                 spin_unlock_irqrestore(&priv->driver_lock, flags);
 501
 502                 ret = -1;
 503                 goto done;
 504         }
 505
 506         spin_unlock_irqrestore(&priv->driver_lock, flags);
 507
 508         if (priv->cur_cmd && priv->cur_cmd->callback) {
 509                 ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
 510                                 resp);
 511         } else
 512                 ret = handle_cmd_response(priv, resp);
 513
 514         spin_lock_irqsave(&priv->driver_lock, flags);
 515
 516         if (priv->cur_cmd) {
 517                 /* Clean up and Put current command back to cmdfreeq */
 518                 lbs_complete_command(priv, priv->cur_cmd, result);
 519         }
 520         spin_unlock_irqrestore(&priv->driver_lock, flags);
 521
 522 done:
 523         mutex_unlock(&priv->lock);
 524         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
 525         return ret;
 526 }
 527
 528 static int lbs_send_confirmwake(struct lbs_private *priv)
 529 {
 530         struct cmd_header cmd;
 531         int ret = 0;
 532
 533         lbs_deb_enter(LBS_DEB_HOST);
 534
 535         cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM);
 536         cmd.size = cpu_to_le16(sizeof(cmd));
 537         cmd.seqnum = cpu_to_le16(++priv->seqnum);
 538         cmd.result = 0;
 539
 540         lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd,
 541                 sizeof(cmd));
 542
 543         ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd));
 544         if (ret)
 545                 lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n");
 546
 547         lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
 548         return ret;
 549 }
 550
 551 int lbs_process_event(struct lbs_private *priv, u32 event)
 552 {
 553         int ret = 0;
 554
 555         lbs_deb_enter(LBS_DEB_CMD);
 556
 557         switch (event) {
 558         case MACREG_INT_CODE_LINK_SENSED:
 559                 lbs_deb_cmd("EVENT: link sensed\n");
 560                 break;
 561
 562         case MACREG_INT_CODE_DEAUTHENTICATED:
 563                 lbs_deb_cmd("EVENT: deauthenticated\n");
 564                 lbs_mac_event_disconnected(priv);
 565                 break;
 566
 567         case MACREG_INT_CODE_DISASSOCIATED:
 568                 lbs_deb_cmd("EVENT: disassociated\n");
 569                 lbs_mac_event_disconnected(priv);
 570                 break;
 571
 572         case MACREG_INT_CODE_LINK_LOST_NO_SCAN:
 573                 lbs_deb_cmd("EVENT: link lost\n");
 574                 lbs_mac_event_disconnected(priv);
 575                 break;
 576
 577         case MACREG_INT_CODE_PS_SLEEP:
 578                 lbs_deb_cmd("EVENT: ps sleep\n");
 579
 580                 /* handle unexpected PS SLEEP event */
 581                 if (priv->psstate == PS_STATE_FULL_POWER) {
 582                         lbs_deb_cmd(
 583                                "EVENT: in FULL POWER mode, ignoreing PS_SLEEP\n");
 584                         break;
 585                 }
 586                 priv->psstate = PS_STATE_PRE_SLEEP;
 587
 588                 lbs_ps_confirm_sleep(priv);
 589
 590                 break;
 591
 592         case MACREG_INT_CODE_HOST_AWAKE:
 593                 lbs_deb_cmd("EVENT: host awake\n");
 594                 lbs_send_confirmwake(priv);
 595                 break;
 596
 597         case MACREG_INT_CODE_PS_AWAKE:
 598                 lbs_deb_cmd("EVENT: ps awake\n");
 599                 /* handle unexpected PS AWAKE event */
 600                 if (priv->psstate == PS_STATE_FULL_POWER) {
 601                         lbs_deb_cmd(
 602                                "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
 603                         break;
 604                 }
 605
 606                 priv->psstate = PS_STATE_AWAKE;
 607
 608                 if (priv->needtowakeup) {
 609                         /*
 610                          * wait for the command processing to finish
 611                          * before resuming sending
 612                          * priv->needtowakeup will be set to FALSE
 613                          * in lbs_ps_wakeup()
 614                          */
 615                         lbs_deb_cmd("waking up ...\n");
 616                         lbs_ps_wakeup(priv, 0);
 617                 }
 618                 break;
 619
 620         case MACREG_INT_CODE_MIC_ERR_UNICAST:
 621                 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
 622                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
 623                 break;
 624
 625         case MACREG_INT_CODE_MIC_ERR_MULTICAST:
 626                 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
 627                 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
 628                 break;
 629
 630         case MACREG_INT_CODE_MIB_CHANGED:
 631                 lbs_deb_cmd("EVENT: MIB CHANGED\n");
 632                 break;
 633         case MACREG_INT_CODE_INIT_DONE:
 634                 lbs_deb_cmd("EVENT: INIT DONE\n");
 635                 break;
 636         case MACREG_INT_CODE_ADHOC_BCN_LOST:
 637                 lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
 638                 break;
 639         case MACREG_INT_CODE_RSSI_LOW:
 640                 lbs_pr_alert("EVENT: rssi low\n");
 641                 break;
 642         case MACREG_INT_CODE_SNR_LOW:
 643                 lbs_pr_alert("EVENT: snr low\n");
 644                 break;
 645         case MACREG_INT_CODE_MAX_FAIL:
 646                 lbs_pr_alert("EVENT: max fail\n");
 647                 break;
 648         case MACREG_INT_CODE_RSSI_HIGH:
 649                 lbs_pr_alert("EVENT: rssi high\n");
 650                 break;
 651         case MACREG_INT_CODE_SNR_HIGH:
 652                 lbs_pr_alert("EVENT: snr high\n");
 653                 break;
 654
 655         case MACREG_INT_CODE_MESH_AUTO_STARTED:
 656                 /* Ignore spurious autostart events if autostart is disabled */
 657                 if (!priv->mesh_autostart_enabled) {
 658                         lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n");
 659                         break;
 660                 }
 661                 lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
 662                 priv->mesh_connect_status = LBS_CONNECTED;
 663                 if (priv->mesh_open) {
 664                         netif_carrier_on(priv->mesh_dev);
 665                         if (!priv->tx_pending_len)
 666                                 netif_wake_queue(priv->mesh_dev);
 667                 }
 668                 priv->mode = IW_MODE_ADHOC;
 669                 schedule_work(&priv->sync_channel);
 670                 break;
 671
 672         default:
 673                 lbs_pr_alert("EVENT: unknown event id %d\n", event);
 674                 break;
 675         }
 676
 677         lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 678         return ret;
 679 }