drivers/net/wireless/mwifiex/sta_event.c

   1 /*
   2  * Marvell Wireless LAN device driver: station event handling
   3  *
   4  * Copyright (C) 2011-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #include "decl.h"
  21 #include "ioctl.h"
  22 #include "util.h"
  23 #include "fw.h"
  24 #include "main.h"
  25 #include "wmm.h"
  26 #include "11n.h"
  27
  28 /*
  29  * This function resets the connection state.
  30  *
  31  * The function is invoked after receiving a disconnect event from firmware,
  32  * and performs the following actions -
  33  *      - Set media status to disconnected
  34  *      - Clean up Tx and Rx packets
  35  *      - Resets SNR/NF/RSSI value in driver
  36  *      - Resets security configurations in driver
  37  *      - Enables auto data rate
  38  *      - Saves the previous SSID and BSSID so that they can
  39  *        be used for re-association, if required
  40  *      - Erases current SSID and BSSID information
  41  *      - Sends a disconnect event to upper layers/applications.
  42  */
  43 void
  44 mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
  45 {
  46         struct mwifiex_adapter *adapter = priv->adapter;
  47
  48         if (!priv->media_connected)
  49                 return;
  50
  51         mwifiex_dbg(adapter, INFO,
  52                     "info: handles disconnect event\n");
  53
  54         priv->media_connected = false;
  55
  56         priv->scan_block = false;
  57
  58         if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
  59             ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info)) {
  60                 mwifiex_disable_all_tdls_links(priv);
  61
  62                 if (priv->adapter->auto_tdls)
  63                         mwifiex_clean_auto_tdls(priv);
  64         }
  65
  66         /* Free Tx and Rx packets, report disconnect to upper layer */
  67         mwifiex_clean_txrx(priv);
  68
  69         /* Reset SNR/NF/RSSI values */
  70         priv->data_rssi_last = 0;
  71         priv->data_nf_last = 0;
  72         priv->data_rssi_avg = 0;
  73         priv->data_nf_avg = 0;
  74         priv->bcn_rssi_last = 0;
  75         priv->bcn_nf_last = 0;
  76         priv->bcn_rssi_avg = 0;
  77         priv->bcn_nf_avg = 0;
  78         priv->rxpd_rate = 0;
  79         priv->rxpd_htinfo = 0;
  80         priv->sec_info.wpa_enabled = false;
  81         priv->sec_info.wpa2_enabled = false;
  82         priv->wpa_ie_len = 0;
  83
  84         priv->sec_info.wapi_enabled = false;
  85         priv->wapi_ie_len = 0;
  86         priv->sec_info.wapi_key_on = false;
  87
  88         priv->sec_info.encryption_mode = 0;
  89
  90         /* Enable auto data rate */
  91         priv->is_data_rate_auto = true;
  92         priv->data_rate = 0;
  93
  94         if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
  95              GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) && priv->hist_data)
  96                 mwifiex_hist_data_reset(priv);
  97
  98         if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
  99                 priv->adhoc_state = ADHOC_IDLE;
 100                 priv->adhoc_is_link_sensed = false;
 101         }
 102
 103         /*
 104          * Memorize the previous SSID and BSSID so
 105          * it could be used for re-assoc
 106          */
 107
 108         mwifiex_dbg(adapter, INFO,
 109                     "info: previous SSID=%s, SSID len=%u\n",
 110                     priv->prev_ssid.ssid, priv->prev_ssid.ssid_len);
 111
 112         mwifiex_dbg(adapter, INFO,
 113                     "info: current SSID=%s, SSID len=%u\n",
 114                     priv->curr_bss_params.bss_descriptor.ssid.ssid,
 115                     priv->curr_bss_params.bss_descriptor.ssid.ssid_len);
 116
 117         memcpy(&priv->prev_ssid,
 118                &priv->curr_bss_params.bss_descriptor.ssid,
 119                sizeof(struct cfg80211_ssid));
 120
 121         memcpy(priv->prev_bssid,
 122                priv->curr_bss_params.bss_descriptor.mac_address, ETH_ALEN);
 123
 124         /* Need to erase the current SSID and BSSID info */
 125         memset(&priv->curr_bss_params, 0x00, sizeof(priv->curr_bss_params));
 126
 127         adapter->tx_lock_flag = false;
 128         adapter->pps_uapsd_mode = false;
 129
 130         if (adapter->is_cmd_timedout && adapter->curr_cmd)
 131                 return;
 132         priv->media_connected = false;
 133         mwifiex_dbg(adapter, MSG,
 134                     "info: successfully disconnected from %pM: reason code %d\n",
 135                     priv->cfg_bssid, reason_code);
 136         if (priv->bss_mode == NL80211_IFTYPE_STATION ||
 137             priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
 138                 cfg80211_disconnected(priv->netdev, reason_code, NULL, 0,
 139                                       false, GFP_KERNEL);
 140         }
 141         eth_zero_addr(priv->cfg_bssid);
 142
 143         mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 144         if (netif_carrier_ok(priv->netdev))
 145                 netif_carrier_off(priv->netdev);
 146 }
 147
 148 static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
 149                                     struct sk_buff *event_skb)
 150 {
 151         int ret = 0;
 152         struct mwifiex_adapter *adapter = priv->adapter;
 153         struct mwifiex_sta_node *sta_ptr;
 154         struct mwifiex_tdls_generic_event *tdls_evt =
 155                         (void *)event_skb->data + sizeof(adapter->event_cause);
 156
 157         /* reserved 2 bytes are not mandatory in tdls event */
 158         if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) -
 159                               sizeof(u16) - sizeof(adapter->event_cause))) {
 160                 mwifiex_dbg(adapter, ERROR, "Invalid event length!\n");
 161                 return -1;
 162         }
 163
 164         sta_ptr = mwifiex_get_sta_entry(priv, tdls_evt->peer_mac);
 165         if (!sta_ptr) {
 166                 mwifiex_dbg(adapter, ERROR, "cannot get sta entry!\n");
 167                 return -1;
 168         }
 169
 170         switch (le16_to_cpu(tdls_evt->type)) {
 171         case TDLS_EVENT_LINK_TEAR_DOWN:
 172                 cfg80211_tdls_oper_request(priv->netdev,
 173                                            tdls_evt->peer_mac,
 174                                            NL80211_TDLS_TEARDOWN,
 175                                            le16_to_cpu(tdls_evt->u.reason_code),
 176                                            GFP_KERNEL);
 177                 break;
 178         default:
 179                 break;
 180         }
 181
 182         return ret;
 183 }
 184
 185 /*
 186  * This function handles events generated by firmware.
 187  *
 188  * This is a generic function and handles all events.
 189  *
 190  * Event specific routines are called by this function based
 191  * upon the generated event cause.
 192  *
 193  * For the following events, the function just forwards them to upper
 194  * layers, optionally recording the change -
 195  *      - EVENT_LINK_SENSED
 196  *      - EVENT_MIC_ERR_UNICAST
 197  *      - EVENT_MIC_ERR_MULTICAST
 198  *      - EVENT_PORT_RELEASE
 199  *      - EVENT_RSSI_LOW
 200  *      - EVENT_SNR_LOW
 201  *      - EVENT_MAX_FAIL
 202  *      - EVENT_RSSI_HIGH
 203  *      - EVENT_SNR_HIGH
 204  *      - EVENT_DATA_RSSI_LOW
 205  *      - EVENT_DATA_SNR_LOW
 206  *      - EVENT_DATA_RSSI_HIGH
 207  *      - EVENT_DATA_SNR_HIGH
 208  *      - EVENT_LINK_QUALITY
 209  *      - EVENT_PRE_BEACON_LOST
 210  *      - EVENT_IBSS_COALESCED
 211  *      - EVENT_WEP_ICV_ERR
 212  *      - EVENT_BW_CHANGE
 213  *      - EVENT_HOSTWAKE_STAIE
 214   *
 215  * For the following events, no action is taken -
 216  *      - EVENT_MIB_CHANGED
 217  *      - EVENT_INIT_DONE
 218  *      - EVENT_DUMMY_HOST_WAKEUP_SIGNAL
 219  *
 220  * Rest of the supported events requires driver handling -
 221  *      - EVENT_DEAUTHENTICATED
 222  *      - EVENT_DISASSOCIATED
 223  *      - EVENT_LINK_LOST
 224  *      - EVENT_PS_SLEEP
 225  *      - EVENT_PS_AWAKE
 226  *      - EVENT_DEEP_SLEEP_AWAKE
 227  *      - EVENT_HS_ACT_REQ
 228  *      - EVENT_ADHOC_BCN_LOST
 229  *      - EVENT_BG_SCAN_REPORT
 230  *      - EVENT_WMM_STATUS_CHANGE
 231  *      - EVENT_ADDBA
 232  *      - EVENT_DELBA
 233  *      - EVENT_BA_STREAM_TIEMOUT
 234  *      - EVENT_AMSDU_AGGR_CTRL
 235  */
 236 int mwifiex_process_sta_event(struct mwifiex_private *priv)
 237 {
 238         struct mwifiex_adapter *adapter = priv->adapter;
 239         int ret = 0;
 240         u32 eventcause = adapter->event_cause;
 241         u16 ctrl, reason_code;
 242
 243         switch (eventcause) {
 244         case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
 245                 mwifiex_dbg(adapter, ERROR,
 246                             "invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignore it\n");
 247                 break;
 248         case EVENT_LINK_SENSED:
 249                 mwifiex_dbg(adapter, EVENT, "event: LINK_SENSED\n");
 250                 if (!netif_carrier_ok(priv->netdev))
 251                         netif_carrier_on(priv->netdev);
 252                 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
 253                 break;
 254
 255         case EVENT_DEAUTHENTICATED:
 256                 mwifiex_dbg(adapter, EVENT, "event: Deauthenticated\n");
 257                 if (priv->wps.session_enable) {
 258                         mwifiex_dbg(adapter, INFO,
 259                                     "info: receive deauth event in wps session\n");
 260                         break;
 261                 }
 262                 adapter->dbg.num_event_deauth++;
 263                 if (priv->media_connected) {
 264                         reason_code =
 265                                 le16_to_cpu(*(__le16 *)adapter->event_body);
 266                         mwifiex_reset_connect_state(priv, reason_code);
 267                 }
 268                 break;
 269
 270         case EVENT_DISASSOCIATED:
 271                 mwifiex_dbg(adapter, EVENT, "event: Disassociated\n");
 272                 if (priv->wps.session_enable) {
 273                         mwifiex_dbg(adapter, INFO,
 274                                     "info: receive disassoc event in wps session\n");
 275                         break;
 276                 }
 277                 adapter->dbg.num_event_disassoc++;
 278                 if (priv->media_connected) {
 279                         reason_code =
 280                                 le16_to_cpu(*(__le16 *)adapter->event_body);
 281                         mwifiex_reset_connect_state(priv, reason_code);
 282                 }
 283                 break;
 284
 285         case EVENT_LINK_LOST:
 286                 mwifiex_dbg(adapter, EVENT, "event: Link lost\n");
 287                 adapter->dbg.num_event_link_lost++;
 288                 if (priv->media_connected) {
 289                         reason_code =
 290                                 le16_to_cpu(*(__le16 *)adapter->event_body);
 291                         mwifiex_reset_connect_state(priv, reason_code);
 292                 }
 293                 break;
 294
 295         case EVENT_PS_SLEEP:
 296                 mwifiex_dbg(adapter, EVENT, "info: EVENT: SLEEP\n");
 297
 298                 adapter->ps_state = PS_STATE_PRE_SLEEP;
 299
 300                 mwifiex_check_ps_cond(adapter);
 301                 break;
 302
 303         case EVENT_PS_AWAKE:
 304                 mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n");
 305                 if (!adapter->pps_uapsd_mode &&
 306                     priv->media_connected && adapter->sleep_period.period) {
 307                                 adapter->pps_uapsd_mode = true;
 308                                 mwifiex_dbg(adapter, EVENT,
 309                                             "event: PPS/UAPSD mode activated\n");
 310                 }
 311                 adapter->tx_lock_flag = false;
 312                 if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) {
 313                         if (mwifiex_check_last_packet_indication(priv)) {
 314                                 if (adapter->data_sent) {
 315                                         adapter->ps_state = PS_STATE_AWAKE;
 316                                         adapter->pm_wakeup_card_req = false;
 317                                         adapter->pm_wakeup_fw_try = false;
 318                                         del_timer(&adapter->wakeup_timer);
 319                                         break;
 320                                 }
 321                                 if (!mwifiex_send_null_packet
 322                                         (priv,
 323                                          MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET |
 324                                          MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET))
 325                                                 adapter->ps_state =
 326                                                         PS_STATE_SLEEP;
 327                                         return 0;
 328                         }
 329                 }
 330                 adapter->ps_state = PS_STATE_AWAKE;
 331                 adapter->pm_wakeup_card_req = false;
 332                 adapter->pm_wakeup_fw_try = false;
 333                 del_timer(&adapter->wakeup_timer);
 334
 335                 break;
 336
 337         case EVENT_DEEP_SLEEP_AWAKE:
 338                 adapter->if_ops.wakeup_complete(adapter);
 339                 mwifiex_dbg(adapter, EVENT, "event: DS_AWAKE\n");
 340                 if (adapter->is_deep_sleep)
 341                         adapter->is_deep_sleep = false;
 342                 break;
 343
 344         case EVENT_HS_ACT_REQ:
 345                 mwifiex_dbg(adapter, EVENT, "event: HS_ACT_REQ\n");
 346                 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH,
 347                                        0, 0, NULL, false);
 348                 break;
 349
 350         case EVENT_MIC_ERR_UNICAST:
 351                 mwifiex_dbg(adapter, EVENT, "event: UNICAST MIC ERROR\n");
 352                 cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
 353                                              NL80211_KEYTYPE_PAIRWISE,
 354                                              -1, NULL, GFP_KERNEL);
 355                 break;
 356
 357         case EVENT_MIC_ERR_MULTICAST:
 358                 mwifiex_dbg(adapter, EVENT, "event: MULTICAST MIC ERROR\n");
 359                 cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
 360                                              NL80211_KEYTYPE_GROUP,
 361                                              -1, NULL, GFP_KERNEL);
 362                 break;
 363         case EVENT_MIB_CHANGED:
 364         case EVENT_INIT_DONE:
 365                 break;
 366
 367         case EVENT_ADHOC_BCN_LOST:
 368                 mwifiex_dbg(adapter, EVENT, "event: ADHOC_BCN_LOST\n");
 369                 priv->adhoc_is_link_sensed = false;
 370                 mwifiex_clean_txrx(priv);
 371                 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 372                 if (netif_carrier_ok(priv->netdev))
 373                         netif_carrier_off(priv->netdev);
 374                 break;
 375
 376         case EVENT_BG_SCAN_REPORT:
 377                 mwifiex_dbg(adapter, EVENT, "event: BGS_REPORT\n");
 378                 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_QUERY,
 379                                        HostCmd_ACT_GEN_GET, 0, NULL, false);
 380                 break;
 381
 382         case EVENT_PORT_RELEASE:
 383                 mwifiex_dbg(adapter, EVENT, "event: PORT RELEASE\n");
 384                 break;
 385
 386         case EVENT_EXT_SCAN_REPORT:
 387                 mwifiex_dbg(adapter, EVENT, "event: EXT_SCAN Report\n");
 388                 if (adapter->ext_scan)
 389                         ret = mwifiex_handle_event_ext_scan_report(priv,
 390                                                 adapter->event_skb->data);
 391
 392                 break;
 393
 394         case EVENT_WMM_STATUS_CHANGE:
 395                 mwifiex_dbg(adapter, EVENT, "event: WMM status changed\n");
 396                 ret = mwifiex_send_cmd(priv, HostCmd_CMD_WMM_GET_STATUS,
 397                                        0, 0, NULL, false);
 398                 break;
 399
 400         case EVENT_RSSI_LOW:
 401                 cfg80211_cqm_rssi_notify(priv->netdev,
 402                                          NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
 403                                          GFP_KERNEL);
 404                 mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
 405                                  HostCmd_ACT_GEN_GET, 0, NULL, false);
 406                 priv->subsc_evt_rssi_state = RSSI_LOW_RECVD;
 407                 mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_LOW\n");
 408                 break;
 409         case EVENT_SNR_LOW:
 410                 mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_LOW\n");
 411                 break;
 412         case EVENT_MAX_FAIL:
 413                 mwifiex_dbg(adapter, EVENT, "event: MAX_FAIL\n");
 414                 break;
 415         case EVENT_RSSI_HIGH:
 416                 cfg80211_cqm_rssi_notify(priv->netdev,
 417                                          NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
 418                                          GFP_KERNEL);
 419                 mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
 420                                  HostCmd_ACT_GEN_GET, 0, NULL, false);
 421                 priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD;
 422                 mwifiex_dbg(adapter, EVENT, "event: Beacon RSSI_HIGH\n");
 423                 break;
 424         case EVENT_SNR_HIGH:
 425                 mwifiex_dbg(adapter, EVENT, "event: Beacon SNR_HIGH\n");
 426                 break;
 427         case EVENT_DATA_RSSI_LOW:
 428                 mwifiex_dbg(adapter, EVENT, "event: Data RSSI_LOW\n");
 429                 break;
 430         case EVENT_DATA_SNR_LOW:
 431                 mwifiex_dbg(adapter, EVENT, "event: Data SNR_LOW\n");
 432                 break;
 433         case EVENT_DATA_RSSI_HIGH:
 434                 mwifiex_dbg(adapter, EVENT, "event: Data RSSI_HIGH\n");
 435                 break;
 436         case EVENT_DATA_SNR_HIGH:
 437                 mwifiex_dbg(adapter, EVENT, "event: Data SNR_HIGH\n");
 438                 break;
 439         case EVENT_LINK_QUALITY:
 440                 mwifiex_dbg(adapter, EVENT, "event: Link Quality\n");
 441                 break;
 442         case EVENT_PRE_BEACON_LOST:
 443                 mwifiex_dbg(adapter, EVENT, "event: Pre-Beacon Lost\n");
 444                 break;
 445         case EVENT_IBSS_COALESCED:
 446                 mwifiex_dbg(adapter, EVENT, "event: IBSS_COALESCED\n");
 447                 ret = mwifiex_send_cmd(priv,
 448                                 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
 449                                 HostCmd_ACT_GEN_GET, 0, NULL, false);
 450                 break;
 451         case EVENT_ADDBA:
 452                 mwifiex_dbg(adapter, EVENT, "event: ADDBA Request\n");
 453                 mwifiex_send_cmd(priv, HostCmd_CMD_11N_ADDBA_RSP,
 454                                  HostCmd_ACT_GEN_SET, 0,
 455                                  adapter->event_body, false);
 456                 break;
 457         case EVENT_DELBA:
 458                 mwifiex_dbg(adapter, EVENT, "event: DELBA Request\n");
 459                 mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
 460                 break;
 461         case EVENT_BA_STREAM_TIEMOUT:
 462                 mwifiex_dbg(adapter, EVENT, "event:  BA Stream timeout\n");
 463                 mwifiex_11n_ba_stream_timeout(priv,
 464                                               (struct host_cmd_ds_11n_batimeout
 465                                                *)
 466                                               adapter->event_body);
 467                 break;
 468         case EVENT_AMSDU_AGGR_CTRL:
 469                 ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
 470                 mwifiex_dbg(adapter, EVENT,
 471                             "event: AMSDU_AGGR_CTRL %d\n", ctrl);
 472
 473                 adapter->tx_buf_size =
 474                                 min_t(u16, adapter->curr_tx_buf_size, ctrl);
 475                 mwifiex_dbg(adapter, EVENT, "event: tx_buf_size %d\n",
 476                             adapter->tx_buf_size);
 477                 break;
 478
 479         case EVENT_WEP_ICV_ERR:
 480                 mwifiex_dbg(adapter, EVENT, "event: WEP ICV error\n");
 481                 break;
 482
 483         case EVENT_BW_CHANGE:
 484                 mwifiex_dbg(adapter, EVENT, "event: BW Change\n");
 485                 break;
 486
 487         case EVENT_HOSTWAKE_STAIE:
 488                 mwifiex_dbg(adapter, EVENT,
 489                             "event: HOSTWAKE_STAIE %d\n", eventcause);
 490                 break;
 491
 492         case EVENT_REMAIN_ON_CHAN_EXPIRED:
 493                 mwifiex_dbg(adapter, EVENT,
 494                             "event: Remain on channel expired\n");
 495                 cfg80211_remain_on_channel_expired(&priv->wdev,
 496                                                    priv->roc_cfg.cookie,
 497                                                    &priv->roc_cfg.chan,
 498                                                    GFP_ATOMIC);
 499
 500                 memset(&priv->roc_cfg, 0x00, sizeof(struct mwifiex_roc_cfg));
 501
 502                 break;
 503
 504         case EVENT_CHANNEL_SWITCH_ANN:
 505                 mwifiex_dbg(adapter, EVENT, "event: Channel Switch Announcement\n");
 506                 priv->csa_expire_time =
 507                                 jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME);
 508                 priv->csa_chan = priv->curr_bss_params.bss_descriptor.channel;
 509                 ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE,
 510                         HostCmd_ACT_GEN_SET, 0,
 511                         priv->curr_bss_params.bss_descriptor.mac_address,
 512                         false);
 513                 break;
 514
 515         case EVENT_TDLS_GENERIC_EVENT:
 516                 ret = mwifiex_parse_tdls_event(priv, adapter->event_skb);
 517                 break;
 518
 519         case EVENT_TX_STATUS_REPORT:
 520                 mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n");
 521                 mwifiex_parse_tx_status_event(priv, adapter->event_body);
 522                 break;
 523
 524         case EVENT_CHANNEL_REPORT_RDY:
 525                 mwifiex_dbg(adapter, EVENT, "event: Channel Report\n");
 526                 ret = mwifiex_11h_handle_chanrpt_ready(priv,
 527                                                        adapter->event_skb);
 528                 break;
 529         case EVENT_RADAR_DETECTED:
 530                 mwifiex_dbg(adapter, EVENT, "event: Radar detected\n");
 531                 ret = mwifiex_11h_handle_radar_detected(priv,
 532                                                         adapter->event_skb);
 533                 break;
 534         default:
 535                 mwifiex_dbg(adapter, ERROR, "event: unknown event id: %#x\n",
 536                             eventcause);
 537                 break;
 538         }
 539
 540         return ret;
 541 }