summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c')
-rw-r--r--drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c1026
1 files changed, 1026 insertions, 0 deletions
diff --git a/drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c b/drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c
new file mode 100644
index 000000000000..cc96e9ac7e12
--- /dev/null
+++ b/drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlan/mlan_sta_event.c
@@ -0,0 +1,1026 @@
+/** @file mlan_sta_event.c
+ *
+ * @brief This file contains MLAN event handling.
+ *
+ *
+ * Copyright 2014-2020 NXP
+ *
+ * This software file (the File) is distributed by NXP
+ * under the terms of the GNU General Public License Version 2, June 1991
+ * (the License). You may use, redistribute and/or modify the File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+
+/********************************************************
+Change log:
+ 10/13/2008: initial version
+********************************************************/
+
+#include "mlan.h"
+#include "mlan_join.h"
+#include "mlan_util.h"
+#include "mlan_fw.h"
+#include "mlan_main.h"
+#include "mlan_wmm.h"
+#include "mlan_11n.h"
+#include "mlan_11h.h"
+#ifdef DRV_EMBEDDED_SUPPLICANT
+#include "authenticator_api.h"
+#endif
+#ifdef PCIE
+#include "mlan_pcie.h"
+#endif /* PCIE */
+
+/********************************************************
+ Global Variables
+********************************************************/
+
+/********************************************************
+ Local Functions
+********************************************************/
+
+/**
+ * @brief This function handles link lost, deauth and
+ * disassoc events.
+ *
+ * @param pmpriv A pointer to mlan_private structure
+ * @return N/A
+ */
+static t_void wlan_handle_disconnect_event(pmlan_private pmpriv)
+{
+ ENTER();
+
+ if (pmpriv->media_connected == MTRUE)
+ wlan_reset_connect_state(pmpriv, MTRUE);
+
+ LEAVE();
+}
+
+/********************************************************
+ Global Functions
+********************************************************/
+/**
+ * @brief This function handles disconnect event, reports disconnect
+ * to upper layer, cleans tx/rx packets,
+ * resets link state etc.
+ *
+ * @param priv A pointer to mlan_private structure
+ * @param drv_disconnect Flag indicating the driver should disconnect
+ * and flush pending packets.
+ *
+ * @return N/A
+ */
+t_void wlan_reset_connect_state(pmlan_private priv, t_u8 drv_disconnect)
+{
+ mlan_adapter *pmadapter = priv->adapter;
+ mlan_status ret = MLAN_STATUS_SUCCESS;
+ state_11d_t enable;
+ t_u8 event_buf[100];
+ mlan_event *pevent = (mlan_event *)event_buf;
+
+ ENTER();
+
+ PRINTM(MINFO, "Handles disconnect event.\n");
+
+#ifdef UAP_SUPPORT
+ /* If DFS repeater mode is enabled and station interface disconnects
+ * then make sure that all uAPs are stopped.
+ */
+ if (pmadapter->dfs_repeater)
+ wlan_dfs_rep_disconnect(pmadapter);
+#endif
+
+ if (drv_disconnect) {
+ priv->media_connected = MFALSE;
+ pmadapter->state_rdh.tx_block = MFALSE;
+ wlan_11h_check_update_radar_det_state(priv);
+ }
+
+ if (priv->port_ctrl_mode == MTRUE) {
+ /* Close the port on Disconnect */
+ PRINTM(MINFO, "DISC: port_status = CLOSED\n");
+ priv->port_open = MFALSE;
+ }
+ memset(pmadapter, &priv->gtk_rekey, 0,
+ sizeof(mlan_ds_misc_gtk_rekey_data));
+ priv->tx_pause = MFALSE;
+ pmadapter->scan_block = MFALSE;
+
+ /* Reset SNR/NF/RSSI values */
+ priv->data_rssi_last = 0;
+ priv->data_nf_last = 0;
+ priv->data_rssi_avg = 0;
+ priv->data_nf_avg = 0;
+ priv->bcn_rssi_last = 0;
+ priv->bcn_nf_last = 0;
+ priv->bcn_rssi_avg = 0;
+ priv->bcn_nf_avg = 0;
+ priv->rxpd_rate = 0;
+ priv->rxpd_rate_info = 0;
+ priv->max_amsdu = 0;
+ priv->amsdu_disable = MFALSE;
+ wlan_coex_ampdu_rxwinsize(pmadapter);
+
+ priv->sec_info.ewpa_enabled = MFALSE;
+ priv->sec_info.wpa_enabled = MFALSE;
+ priv->sec_info.wpa2_enabled = MFALSE;
+ priv->wpa_ie_len = 0;
+#ifdef DRV_EMBEDDED_SUPPLICANT
+ supplicantStopSessionTimer(priv->psapriv);
+ supplicantClrEncryptKey(priv->psapriv);
+ supplicantDisable(priv->psapriv);
+#endif
+
+ priv->sec_info.wapi_enabled = MFALSE;
+ priv->wapi_ie_len = 0;
+ priv->sec_info.wapi_key_on = MFALSE;
+
+ priv->wps.session_enable = MFALSE;
+ memset(priv->adapter, (t_u8 *)&priv->wps.wps_ie, 0x00,
+ sizeof(priv->wps.wps_ie));
+ priv->sec_info.osen_enabled = MFALSE;
+ priv->osen_ie_len = 0;
+
+ priv->sec_info.encryption_mode = MLAN_ENCRYPTION_MODE_NONE;
+
+ /*Enable auto data rate */
+ priv->is_data_rate_auto = MTRUE;
+ priv->data_rate = 0;
+
+ if (priv->bss_mode == MLAN_BSS_MODE_IBSS) {
+ priv->adhoc_state = ADHOC_IDLE;
+ priv->adhoc_is_link_sensed = MFALSE;
+ priv->intf_state_11h.adhoc_auto_sel_chan = MTRUE;
+ }
+
+ if (drv_disconnect) {
+ /* Free Tx and Rx packets, report disconnect to upper layer */
+ wlan_clean_txrx(priv);
+
+ /* Need to erase the current SSID and BSSID info */
+ memset(pmadapter, &priv->curr_bss_params, 0x00,
+ sizeof(priv->curr_bss_params));
+ }
+ pmadapter->tx_lock_flag = MFALSE;
+ pmadapter->pps_uapsd_mode = MFALSE;
+ pmadapter->delay_null_pkt = MFALSE;
+ if (priv->bss_type == MLAN_BSS_TYPE_STA)
+ pmadapter->hs_wake_interval = 0;
+
+ if ((wlan_fw_11d_is_enabled(priv)) &&
+ (priv->state_11d.user_enable_11d == DISABLE_11D)) {
+ priv->state_11d.enable_11d = DISABLE_11D;
+ enable = DISABLE_11D;
+
+ /* Send cmd to FW to enable/disable 11D function */
+ ret = wlan_prepare_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
+ HostCmd_ACT_GEN_SET, Dot11D_i, MNULL,
+ &enable);
+ if (ret)
+ PRINTM(MERROR, "11D: Failed to enable 11D\n");
+ }
+ if (pmadapter->num_cmd_timeout && pmadapter->curr_cmd &&
+ (pmadapter->cmd_timer_is_set == MFALSE)) {
+ LEAVE();
+ return;
+ }
+
+ pevent->bss_index = priv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_DISCONNECTED;
+ pevent->event_len = sizeof(priv->disconnect_reason_code);
+ memcpy_ext(priv->adapter, pevent->event_buf,
+ &priv->disconnect_reason_code, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(priv, MLAN_EVENT_ID_FW_DISCONNECTED, pevent);
+ priv->disconnect_reason_code = 0;
+
+ LEAVE();
+}
+
+/**
+ * @brief This function sends the OBSS scan parameters to the application
+ *
+ * @param pmpriv A pointer to mlan_private structure
+ *
+ * @return N/A
+ */
+t_void wlan_2040_coex_event(pmlan_private pmpriv)
+{
+ t_u8 event_buf[100];
+ mlan_event *pevent = (mlan_event *)event_buf;
+ t_u8 ele_len;
+
+ ENTER();
+
+ if (pmpriv->curr_bss_params.bss_descriptor.poverlap_bss_scan_param &&
+ pmpriv->curr_bss_params.bss_descriptor.poverlap_bss_scan_param
+ ->ieee_hdr.element_id == OVERLAPBSSSCANPARAM) {
+ ele_len = pmpriv->curr_bss_params.bss_descriptor
+ .poverlap_bss_scan_param->ieee_hdr.len;
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_DRV_OBSS_SCAN_PARAM;
+ pevent->event_len = ele_len;
+ /* Copy OBSS scan parameters */
+ memcpy_ext(pmpriv->adapter, (t_u8 *)pevent->event_buf,
+ (t_u8 *)&pmpriv->curr_bss_params.bss_descriptor
+ .poverlap_bss_scan_param->obss_scan_param,
+ ele_len, pevent->event_len);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_OBSS_SCAN_PARAM,
+ pevent);
+ }
+
+ LEAVE();
+}
+
+/**
+ * @brief This function will process tx pause event
+ *
+ * @param priv A pointer to mlan_private
+ * @param pevent A pointer to event buf
+ *
+ * @return N/A
+ */
+static void wlan_process_sta_tx_pause_event(pmlan_private priv,
+ pmlan_buffer pevent)
+{
+ t_u16 tlv_type, tlv_len;
+ int tlv_buf_left = pevent->data_len - sizeof(t_u32);
+ MrvlIEtypesHeader_t *tlv =
+ (MrvlIEtypesHeader_t *)(pevent->pbuf + pevent->data_offset +
+ sizeof(t_u32));
+ MrvlIEtypes_tx_pause_t *tx_pause_tlv;
+ t_u8 *bssid = MNULL;
+ ENTER();
+ if (priv->media_connected)
+ bssid = priv->curr_bss_params.bss_descriptor.mac_address;
+ while (tlv_buf_left >= (int)sizeof(MrvlIEtypesHeader_t)) {
+ tlv_type = wlan_le16_to_cpu(tlv->type);
+ tlv_len = wlan_le16_to_cpu(tlv->len);
+ if ((sizeof(MrvlIEtypesHeader_t) + tlv_len) >
+ (unsigned int)tlv_buf_left) {
+ PRINTM(MERROR, "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n",
+ tlv_len, tlv_buf_left);
+ break;
+ }
+ if (tlv_type == TLV_TYPE_TX_PAUSE) {
+ tx_pause_tlv = (MrvlIEtypes_tx_pause_t *)tlv;
+ PRINTM(MCMND, "TxPause: " MACSTR " pause=%d, pkts=%d\n",
+ MAC2STR(tx_pause_tlv->peermac),
+ tx_pause_tlv->tx_pause, tx_pause_tlv->pkt_cnt);
+
+ if (bssid &&
+ !memcmp(priv->adapter, bssid, tx_pause_tlv->peermac,
+ MLAN_MAC_ADDR_LENGTH)) {
+ if (tx_pause_tlv->tx_pause)
+ priv->tx_pause = MTRUE;
+ else
+ priv->tx_pause = MFALSE;
+ }
+ }
+ tlv_buf_left -= (sizeof(MrvlIEtypesHeader_t) + tlv_len);
+ tlv = (MrvlIEtypesHeader_t *)((t_u8 *)tlv + tlv_len +
+ sizeof(MrvlIEtypesHeader_t));
+ }
+
+ LEAVE();
+ return;
+}
+
+/**
+ * @brief This function will print diconnect reason code according
+ * to IEEE 802.11 spec
+ *
+ * @param reason_code reason code for the deauth/disaccoc
+ * received from firmware
+ * @return N/A
+ */
+static void wlan_print_disconnect_reason(t_u16 reason_code)
+{
+ ENTER();
+
+ switch (reason_code) {
+ case MLAN_REASON_UNSPECIFIED:
+ PRINTM(MMSG, "wlan: REASON: Unspecified reason\n");
+ break;
+ case MLAN_REASON_PREV_AUTH_NOT_VALID:
+ PRINTM(MMSG,
+ "wlan: REASON: Previous authentication no longer valid\n");
+ break;
+ case MLAN_REASON_DEAUTH_LEAVING:
+ PRINTM(MMSG,
+ "wlan: REASON: (Deauth) Sending STA is leaving (or has left) IBSS or ESS\n");
+ break;
+ case MLAN_REASON_DISASSOC_DUE_TO_INACTIVITY:
+ PRINTM(MMSG,
+ "wlan: REASON: Disassociated due to inactivity \n");
+ break;
+ case MLAN_REASON_DISASSOC_AP_BUSY:
+ PRINTM(MMSG,
+ "wlan: REASON: (Disassociated) AP unable to handle all connected STAs\n");
+ break;
+ case MLAN_REASON_CLASS2_FRAME_FROM_NOAUTH_STA:
+ PRINTM(MMSG,
+ "wlan: REASON: Class 2 frame was received from nonauthenticated STA\n");
+ break;
+ case MLAN_REASON_CLASS3_FRAME_FROM_NOASSOC_STA:
+ PRINTM(MMSG,
+ "wlan: REASON: Class 3 frame was received from nonassociated STA\n");
+ break;
+ case MLAN_REASON_DISASSOC_STA_HAS_LEFT:
+ PRINTM(MMSG,
+ "wlan: REASON: (Disassocated) Sending STA is leaving (or has left) BSS\n");
+ break;
+ case MLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH:
+ PRINTM(MMSG,
+ "wlan: REASON: STA requesting (re)assoc is not authenticated with responding STA\n");
+ break;
+ default:
+ break;
+ }
+
+ LEAVE();
+ return;
+}
+
+/**
+ * @brief This function handles events generated by firmware
+ *
+ * @param priv A pointer to mlan_private structure
+ *
+ * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
+ */
+mlan_status wlan_ops_sta_process_event(t_void *priv)
+{
+ pmlan_private pmpriv = (pmlan_private)priv;
+ pmlan_adapter pmadapter = pmpriv->adapter;
+ mlan_status ret = MLAN_STATUS_SUCCESS;
+ t_u32 eventcause = pmadapter->event_cause;
+ t_u8 *event_buf = MNULL;
+ t_u8 *evt_buf = MNULL;
+ pmlan_buffer pmbuf = pmadapter->pmlan_buffer_event;
+ t_u16 reason_code;
+ pmlan_callbacks pcb = &pmadapter->callbacks;
+ mlan_event *pevent = MNULL;
+ chan_band_info *pchan_band_info = MNULL;
+ t_u8 radar_chan;
+ t_u16 enable = 0;
+
+ ENTER();
+
+ if (!pmbuf) {
+ LEAVE();
+ return MLAN_STATUS_FAILURE;
+ }
+
+ /* Event length check */
+ if ((pmbuf->data_len - sizeof(eventcause)) > MAX_EVENT_SIZE) {
+ pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID;
+ LEAVE();
+ return MLAN_STATUS_FAILURE;
+ }
+
+ /* Allocate memory for event buffer */
+ ret = pcb->moal_malloc(pmadapter->pmoal_handle,
+ MAX_EVENT_SIZE + sizeof(mlan_event),
+ MLAN_MEM_DEF, &event_buf);
+ if ((ret != MLAN_STATUS_SUCCESS) || !event_buf) {
+ PRINTM(MERROR, "Could not allocate buffer for event buf\n");
+ if (pmbuf)
+ pmbuf->status_code = MLAN_ERROR_NO_MEM;
+ goto done;
+ }
+ pevent = (pmlan_event)event_buf;
+ memset(pmadapter, event_buf, 0, MAX_EVENT_SIZE);
+
+ if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE &&
+ pmbuf->data_len > sizeof(eventcause))
+ DBG_HEXDUMP(MEVT_D, "EVENT", pmbuf->pbuf + pmbuf->data_offset,
+ pmbuf->data_len);
+
+ switch (eventcause) {
+ case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
+ PRINTM(MERROR,
+ "Invalid EVENT: DUMMY_HOST_WAKEUP_SIGNAL, ignoring it\n");
+ break;
+ case EVENT_LINK_SENSED:
+ PRINTM(MEVENT, "EVENT: LINK_SENSED\n");
+ pmpriv->adhoc_is_link_sensed = MTRUE;
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_ADHOC_LINK_SENSED,
+ MNULL);
+ break;
+
+ case EVENT_DEAUTHENTICATED:
+ if (pmpriv->wps.session_enable) {
+ PRINTM(MMSG,
+ "wlan: Receive deauth event in wps session\n");
+ break;
+ }
+ reason_code = wlan_le16_to_cpu(*(t_u16 *)(pmbuf->pbuf +
+ pmbuf->data_offset +
+ sizeof(eventcause)));
+ PRINTM(MMSG, "wlan: EVENT: Deauthenticated (reason 0x%x)\n",
+ reason_code);
+ wlan_print_disconnect_reason(reason_code);
+ pmpriv->disconnect_reason_code = reason_code;
+ pmadapter->dbg.num_event_deauth++;
+ wlan_handle_disconnect_event(pmpriv);
+
+ break;
+
+ case EVENT_DISASSOCIATED:
+ if (pmpriv->wps.session_enable) {
+ PRINTM(MMSG,
+ "wlan: Receive disassociate event in wps session\n");
+ break;
+ }
+ reason_code = wlan_le16_to_cpu(*(t_u16 *)(pmbuf->pbuf +
+ pmbuf->data_offset +
+ sizeof(eventcause)));
+ PRINTM(MMSG, "wlan: EVENT: Disassociated (reason 0x%x)\n",
+ reason_code);
+ wlan_print_disconnect_reason(reason_code);
+ pmpriv->disconnect_reason_code = reason_code;
+ pmadapter->dbg.num_event_disassoc++;
+ wlan_handle_disconnect_event(pmpriv);
+ break;
+
+ case EVENT_LINK_LOST:
+ reason_code = wlan_le16_to_cpu(*(t_u16 *)(pmbuf->pbuf +
+ pmbuf->data_offset +
+ sizeof(eventcause)));
+ PRINTM(MMSG, "wlan: EVENT: Link lost (reason 0x%x)\n",
+ reason_code);
+ pmpriv->disconnect_reason_code = reason_code;
+ pmadapter->dbg.num_event_link_lost++;
+ wlan_handle_disconnect_event(pmpriv);
+ break;
+
+ case EVENT_PS_SLEEP:
+ PRINTM(MINFO, "EVENT: SLEEP\n");
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "_");
+
+ /* Handle unexpected PS SLEEP event */
+ if (pmadapter->ps_state == PS_STATE_SLEEP_CFM)
+ break;
+ pmadapter->ps_state = PS_STATE_PRE_SLEEP;
+
+ wlan_check_ps_cond(pmadapter);
+ break;
+
+ case EVENT_PS_AWAKE:
+ PRINTM(MINFO, "EVENT: AWAKE\n");
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "|");
+ if (!pmadapter->pps_uapsd_mode && pmpriv->media_connected &&
+ (pmpriv->port_open || !pmpriv->port_ctrl_mode) &&
+ pmadapter->sleep_period.period) {
+ pmadapter->pps_uapsd_mode = MTRUE;
+ PRINTM(MEVENT, "PPS/UAPSD mode activated\n");
+ }
+ /* Handle unexpected PS AWAKE event */
+ if (pmadapter->ps_state == PS_STATE_SLEEP_CFM)
+ break;
+ pmadapter->tx_lock_flag = MFALSE;
+ if (pmadapter->pps_uapsd_mode && pmadapter->gen_null_pkt) {
+ if (MTRUE ==
+ wlan_check_last_packet_indication(pmpriv)) {
+ if (!pmadapter->data_sent) {
+ if (wlan_send_null_packet(
+ pmpriv,
+ MRVDRV_TxPD_POWER_MGMT_NULL_PACKET |
+ MRVDRV_TxPD_POWER_MGMT_LAST_PACKET) ==
+ MLAN_STATUS_SUCCESS) {
+ LEAVE();
+ return MLAN_STATUS_SUCCESS;
+ }
+ }
+ }
+ }
+ pmadapter->ps_state = PS_STATE_AWAKE;
+ pmadapter->pm_wakeup_card_req = MFALSE;
+ pmadapter->pm_wakeup_fw_try = MFALSE;
+ break;
+
+ case EVENT_HS_ACT_REQ:
+ PRINTM(MEVENT, "EVENT: HS_ACT_REQ\n");
+ ret = wlan_prepare_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH, 0,
+ 0, MNULL, MNULL);
+ break;
+ case EVENT_MIC_ERR_UNICAST:
+ PRINTM(MEVENT, "EVENT: UNICAST MIC ERROR\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_MIC_ERR_UNI, MNULL);
+ break;
+
+ case EVENT_MIC_ERR_MULTICAST:
+ PRINTM(MEVENT, "EVENT: MULTICAST MIC ERROR\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_MIC_ERR_MUL, MNULL);
+ break;
+ case EVENT_MIB_CHANGED:
+ case EVENT_INIT_DONE:
+ break;
+
+ case EVENT_ADHOC_BCN_LOST:
+ PRINTM(MEVENT, "EVENT: ADHOC_BCN_LOST\n");
+ pmpriv->adhoc_is_link_sensed = MFALSE;
+ wlan_clean_txrx(pmpriv);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_ADHOC_LINK_LOST,
+ MNULL);
+ break;
+
+ case EVENT_FW_DEBUG_INFO:
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_DEBUG_INFO;
+ pevent->event_len = pmbuf->data_len - sizeof(eventcause);
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset +
+ sizeof(eventcause),
+ pevent->event_len, pevent->event_len);
+ PRINTM(MEVENT, "EVENT: FW Debug Info %s\n",
+ (t_u8 *)pevent->event_buf);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+
+ case EVENT_BG_SCAN_REPORT:
+ PRINTM(MEVENT, "EVENT: BGS_REPORT\n");
+ pmadapter->bgscan_reported = MTRUE;
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_BG_SCAN, MNULL);
+ break;
+ case EVENT_BG_SCAN_STOPPED:
+ PRINTM(MEVENT, "EVENT: BGS_STOPPED\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_BG_SCAN_STOPPED,
+ MNULL);
+ break;
+
+ case EVENT_PORT_RELEASE:
+ PRINTM(MEVENT, "EVENT: PORT RELEASE\n");
+ /* Open the port for e-supp mode */
+ if (pmpriv->port_ctrl_mode == MTRUE) {
+ PRINTM(MINFO, "PORT_REL: port_status = OPEN\n");
+ pmpriv->port_open = MTRUE;
+ }
+ pmadapter->scan_block = MFALSE;
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_PORT_RELEASE, MNULL);
+ break;
+
+ case EVENT_STOP_TX:
+ PRINTM(MEVENT, "EVENT: Stop Tx (%#x)\n", eventcause);
+ wlan_11h_tx_disable(pmpriv); /* this fn will send event up to
+ MOAL */
+ break;
+ case EVENT_START_TX:
+ PRINTM(MEVENT, "EVENT: Start Tx (%#x)\n", eventcause);
+ wlan_11h_tx_enable(pmpriv); /* this fn will send event up to
+ MOAL */
+ break;
+ case EVENT_CHANNEL_SWITCH:
+ PRINTM(MEVENT, "EVENT: Channel Switch (%#x)\n", eventcause);
+ if (pmadapter->ecsa_enable) {
+ MrvlIEtypes_channel_band_t *pchan_info =
+ (MrvlIEtypes_channel_band_t
+ *)(pmadapter->event_body);
+ t_u8 channel = pchan_info->channel;
+ chan_freq_power_t *cfp = MNULL;
+ DBG_HEXDUMP(MCMD_D, "chan band config",
+ (t_u8 *)pchan_info,
+ sizeof(MrvlIEtypes_channel_band_t));
+ PRINTM(MEVENT, "Switch to channel %d success!\n",
+ channel);
+#define MAX_CHANNEL_BAND_B 14
+ if (channel <= MAX_CHANNEL_BAND_B)
+ cfp = wlan_find_cfp_by_band_and_channel(
+ pmadapter, BAND_B, channel);
+ else
+ cfp = wlan_find_cfp_by_band_and_channel(
+ pmadapter, BAND_A, channel);
+ pmpriv->curr_bss_params.bss_descriptor.channel =
+ channel;
+ if (cfp)
+ pmpriv->curr_bss_params.bss_descriptor.freq =
+ cfp->freq;
+ else
+ pmpriv->curr_bss_params.bss_descriptor.freq = 0;
+ if (pmpriv->adapter->state_rdh.stage ==
+ RDH_SET_CUSTOM_IE) {
+ pmadapter->state_rdh.stage =
+ RDH_RESTART_TRAFFIC;
+ wlan_11h_radar_detected_handling(pmadapter,
+ pmpriv);
+ }
+ pmadapter->state_rdh.tx_block = MFALSE;
+ /* Setup event buffer */
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id =
+ MLAN_EVENT_ID_FW_CHAN_SWITCH_COMPLETE;
+ pevent->event_len = sizeof(chan_band_info);
+ pchan_band_info = (chan_band_info *)pevent->event_buf;
+ /* Copy event data */
+ memcpy_ext(pmadapter, (t_u8 *)&pchan_band_info->bandcfg,
+ (t_u8 *)&pchan_info->bandcfg,
+ sizeof(pchan_info->bandcfg),
+ sizeof(pchan_band_info->bandcfg));
+ pchan_band_info->channel = pchan_info->channel;
+ if (pchan_band_info->bandcfg.chanWidth == CHAN_BW_80MHZ)
+ pchan_band_info->center_chan =
+ wlan_get_center_freq_idx(
+ priv, BAND_AAC,
+ pchan_info->channel,
+ CHANNEL_BW_80MHZ);
+ wlan_recv_event(pmpriv,
+ MLAN_EVENT_ID_FW_CHAN_SWITCH_COMPLETE,
+ pevent);
+ }
+ break;
+ case EVENT_CHANNEL_SWITCH_ANN:
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "EVENT: Channel Switch Announcement\n");
+ /* Here, pass up event first, as handling will send deauth */
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_CHANNEL_SWITCH_ANN,
+ MNULL);
+ wlan_11h_handle_event_chanswann(pmpriv);
+ break;
+ case EVENT_RADAR_DETECTED:
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "EVENT: Radar Detected\n");
+
+ /* Send as passthru first, this event can cause other events */
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_DRV_PASSTHRU;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+
+ if (pmadapter->state_rdh.stage == RDH_OFF) {
+ pmadapter->state_rdh.stage = RDH_CHK_INTFS;
+ wlan_11h_radar_detected_handling(pmadapter, pmpriv);
+ } else {
+ PRINTM(MEVENT, "Ignore Event Radar Detected - handling"
+ " already in progress.\n");
+ }
+
+ break;
+
+ case EVENT_CHANNEL_REPORT_RDY:
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "EVENT: Channel Report Ready\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_CHANNEL_REPORT_RDY;
+ pevent->event_len = pmbuf->data_len - sizeof(eventcause);
+ /* Copy event data */
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset +
+ sizeof(eventcause),
+ pevent->event_len, pevent->event_len);
+ /* Handle / pass event data */
+ ret = wlan_11h_handle_event_chanrpt_ready(pmpriv, pevent,
+ &radar_chan);
+ /* Also send this event as passthru */
+ pevent->event_id = MLAN_EVENT_ID_DRV_PASSTHRU;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ /* Send up this Event to unblock MOAL waitqueue */
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_MEAS_REPORT, MNULL);
+ break;
+ case EVENT_EXT_SCAN_REPORT:
+ PRINTM(MEVENT, "EVENT: EXT_SCAN Report (%d)\n",
+ pmbuf->data_len);
+ if (pmadapter->pscan_ioctl_req && pmadapter->ext_scan)
+ ret = wlan_handle_event_ext_scan_report(priv, pmbuf);
+ break;
+ case EVENT_EXT_SCAN_STATUS_REPORT:
+ PRINTM(MEVENT, "EVENT: EXT_SCAN status report (%d)\n",
+ pmbuf->data_len);
+ pmadapter->ext_scan_timeout = MFALSE;
+ ret = wlan_handle_event_ext_scan_status(priv, pmbuf);
+ break;
+ case EVENT_MEAS_REPORT_RDY:
+ PRINTM(MEVENT, "EVENT: Measurement Report Ready (%#x)\n",
+ eventcause);
+ ret = wlan_prepare_cmd(priv, HostCmd_CMD_MEASUREMENT_REPORT,
+ HostCmd_ACT_GEN_SET, 0, 0, MNULL);
+ break;
+ case EVENT_WMM_STATUS_CHANGE:
+ if (pmbuf &&
+ pmbuf->data_len >
+ sizeof(eventcause) + sizeof(MrvlIEtypesHeader_t)) {
+ PRINTM(MEVENT, "EVENT: WMM status changed: %d\n",
+ pmbuf->data_len);
+
+ evt_buf = (pmbuf->pbuf + pmbuf->data_offset +
+ sizeof(eventcause));
+
+ wlan_ret_wmm_get_status(pmpriv, evt_buf,
+ pmbuf->data_len -
+ sizeof(eventcause));
+ } else {
+ PRINTM(MEVENT, "EVENT: WMM status changed\n");
+ ret = wlan_cmd_wmm_status_change(pmpriv);
+ }
+ break;
+
+ case EVENT_RSSI_LOW:
+ PRINTM(MEVENT, "EVENT: Beacon RSSI_LOW\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_BCN_RSSI_LOW;
+ pevent->event_len = sizeof(t_u16);
+ /** Fw send bcnRssi low value in event reason field*/
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ (t_u8 *)&pmadapter->event_body, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+ case EVENT_SNR_LOW:
+ PRINTM(MEVENT, "EVENT: Beacon SNR_LOW\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_BCN_SNR_LOW, MNULL);
+ break;
+ case EVENT_MAX_FAIL:
+ PRINTM(MEVENT, "EVENT: MAX_FAIL\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_MAX_FAIL, MNULL);
+ break;
+ case EVENT_RSSI_HIGH:
+ PRINTM(MEVENT, "EVENT: Beacon RSSI_HIGH\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_BCN_RSSI_HIGH;
+ pevent->event_len = sizeof(t_u16);
+ /** Fw send bcnRssi high value in event reason field*/
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ (t_u8 *)&pmadapter->event_body, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+ case EVENT_SNR_HIGH:
+ PRINTM(MEVENT, "EVENT: Beacon SNR_HIGH\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_BCN_SNR_HIGH, MNULL);
+ break;
+ case EVENT_DATA_RSSI_LOW:
+ PRINTM(MEVENT, "EVENT: Data RSSI_LOW\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_DATA_RSSI_LOW, MNULL);
+ break;
+ case EVENT_DATA_SNR_LOW:
+ PRINTM(MEVENT, "EVENT: Data SNR_LOW\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_DATA_SNR_LOW, MNULL);
+ break;
+ case EVENT_DATA_RSSI_HIGH:
+ PRINTM(MEVENT, "EVENT: Data RSSI_HIGH\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_DATA_RSSI_HIGH, MNULL);
+ break;
+ case EVENT_DATA_SNR_HIGH:
+ PRINTM(MEVENT, "EVENT: Data SNR_HIGH\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_DATA_SNR_HIGH, MNULL);
+ break;
+ case EVENT_LINK_QUALITY:
+ PRINTM(MEVENT, "EVENT: Link Quality\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_LINK_QUALITY, MNULL);
+ break;
+ case EVENT_PRE_BEACON_LOST:
+ PRINTM(MEVENT, "EVENT: Pre-Beacon Lost\n");
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_PRE_BCN_LOST, MNULL);
+ break;
+ case EVENT_IBSS_COALESCED:
+ PRINTM(MEVENT, "EVENT: IBSS_COALESCED\n");
+ ret = wlan_prepare_cmd(
+ pmpriv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
+ HostCmd_ACT_GEN_GET, 0, MNULL, MNULL);
+ break;
+ case EVENT_ADDBA:
+ PRINTM(MEVENT, "EVENT: ADDBA Request\n");
+ if (pmpriv->media_connected == MTRUE)
+ ret = wlan_prepare_cmd(pmpriv,
+ HostCmd_CMD_11N_ADDBA_RSP,
+ HostCmd_ACT_GEN_SET, 0, MNULL,
+ pmadapter->event_body);
+ else
+ PRINTM(MERROR,
+ "Ignore ADDBA Request event in disconnected state\n");
+ break;
+ case EVENT_DELBA:
+ PRINTM(MEVENT, "EVENT: DELBA Request\n");
+ if (pmpriv->media_connected == MTRUE)
+ wlan_11n_delete_bastream(pmpriv, pmadapter->event_body);
+ else
+ PRINTM(MERROR,
+ "Ignore DELBA Request event in disconnected state\n");
+ break;
+ case EVENT_BA_STREAM_TIMEOUT:
+ PRINTM(MEVENT, "EVENT: BA Stream timeout\n");
+ if (pmpriv->media_connected == MTRUE)
+ wlan_11n_ba_stream_timeout(
+ pmpriv, (HostCmd_DS_11N_BATIMEOUT *)
+ pmadapter->event_body);
+ else
+ PRINTM(MERROR,
+ "Ignore BA Stream timeout event in disconnected state\n");
+ break;
+ case EVENT_RXBA_SYNC:
+ PRINTM(MEVENT, "EVENT: RXBA_SYNC\n");
+ wlan_11n_rxba_sync_event(pmpriv, pmadapter->event_body,
+ pmbuf->data_len - sizeof(eventcause));
+ break;
+ case EVENT_AMSDU_AGGR_CTRL:
+ PRINTM(MEVENT, "EVENT: AMSDU_AGGR_CTRL %d\n",
+ *(t_u16 *)pmadapter->event_body);
+ pmadapter->tx_buf_size =
+ MIN(pmadapter->curr_tx_buf_size,
+ wlan_le16_to_cpu(*(t_u16 *)pmadapter->event_body));
+ if (pmbuf->data_len == sizeof(eventcause) + sizeof(t_u32)) {
+ enable = wlan_le16_to_cpu(
+ *(t_u16 *)(pmadapter->event_body +
+ sizeof(t_u16)));
+ if (enable)
+ pmpriv->amsdu_disable = MFALSE;
+ else
+ pmpriv->amsdu_disable = MTRUE;
+ PRINTM(MEVENT, "amsdu_disable=%d\n",
+ pmpriv->amsdu_disable);
+ }
+ PRINTM(MEVENT, "tx_buf_size %d\n", pmadapter->tx_buf_size);
+ break;
+
+ case EVENT_WEP_ICV_ERR:
+ PRINTM(MEVENT, "EVENT: WEP ICV error\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_WEP_ICV_ERR;
+ pevent->event_len = sizeof(Event_WEP_ICV_ERR);
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmadapter->event_body, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_WEP_ICV_ERR, pevent);
+ break;
+
+ case EVENT_BW_CHANGE:
+ PRINTM(MEVENT, "EVENT: BW Change\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_BW_CHANGED;
+ pevent->event_len = sizeof(t_u8);
+ /* Copy event body from the event buffer */
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmadapter->event_body, pevent->event_len,
+ pevent->event_len);
+#ifdef UAP_SUPPORT
+ if (pmadapter->dfs_repeater)
+ wlan_dfs_rep_bw_change(pmadapter);
+#endif
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_BW_CHANGED, pevent);
+ break;
+
+#ifdef WIFI_DIRECT_SUPPORT
+ case EVENT_WIFIDIRECT_GENERIC_EVENT:
+ PRINTM(MEVENT, "EVENT: WIFIDIRECT event %d\n", eventcause);
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_DRV_PASSTHRU;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+ case EVENT_WIFIDIRECT_SERVICE_DISCOVERY:
+ PRINTM(MEVENT, "EVENT: WIFIDIRECT service discovery event %d\n",
+ eventcause);
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_DRV_PASSTHRU;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+#endif /* WIFI_DIRECT_SUPPORT */
+ case EVENT_REMAIN_ON_CHANNEL_EXPIRED:
+ PRINTM_NETINTF(MEVENT, pmpriv);
+ PRINTM(MEVENT, "EVENT: REMAIN_ON_CHANNEL_EXPIRED reason=%d\n",
+ *(t_u16 *)pmadapter->event_body);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_FLUSH_RX_WORK, MNULL);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_REMAIN_ON_CHAN_EXPIRED,
+ MNULL);
+ break;
+
+ case EVENT_TX_DATA_PAUSE:
+ PRINTM(MEVENT, "EVENT: TX_DATA_PAUSE\n");
+ wlan_process_sta_tx_pause_event(priv, pmbuf);
+ break;
+
+ case EVENT_IBSS_STATION_CONNECT:
+ break;
+ case EVENT_IBSS_STATION_DISCONNECT:
+ break;
+ case EVENT_SAD_REPORT: {
+#ifdef DEBUG_LEVEL1
+ t_u8 *pevt_dat =
+ pmbuf->pbuf + pmbuf->data_offset + sizeof(t_u32);
+#endif
+ PRINTM(MEVENT,
+ "EVENT: Antenna Diversity %d (%d, %d, %d, %d)\n",
+ eventcause, pevt_dat[0] + 1, pevt_dat[1] + 1,
+ pevt_dat[2], pevt_dat[3]);
+ } break;
+
+ case EVENT_FW_DUMP_INFO:
+ PRINTM(MINFO, "EVENT: Dump FW info\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_DUMP_INFO;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+ case EVENT_TX_STATUS_REPORT:
+ PRINTM(MINFO, "EVENT: TX_STATUS\n");
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_FW_TX_STATUS;
+ pevent->event_len = pmbuf->data_len;
+ memcpy_ext(pmadapter, (t_u8 *)pevent->event_buf,
+ pmbuf->pbuf + pmbuf->data_offset, pevent->event_len,
+ pevent->event_len);
+
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ break;
+ case EVENT_BT_COEX_WLAN_PARA_CHANGE:
+ PRINTM(MEVENT, "EVENT: BT coex wlan param update\n");
+ wlan_bt_coex_wlan_param_update_event(pmpriv, pmbuf);
+ break;
+
+#if defined(PCIE)
+ case EVENT_SSU_DUMP_DMA:
+ PRINTM(MEVENT, "EVENT: EVENT_SSU_DUMP_DMA\n");
+ if (!pmadapter->ssu_buf || !pmadapter->ssu_buf->pbuf)
+ break;
+
+ /* If ADMA is supported, SSU header could not be received with
+ * SSU data. Instead, SSU header is received through this event.
+ * So, copy the header into the buffer before passing the buffer
+ * to upper layer for file writting
+ */
+ memcpy_ext(pmadapter,
+ (t_u8 *)pmadapter->ssu_buf->pbuf +
+ pmadapter->ssu_buf->data_offset,
+ pmbuf->pbuf + pmbuf->data_offset +
+ sizeof(eventcause),
+ (pmbuf->data_len - sizeof(eventcause)),
+ (pmbuf->data_len - sizeof(eventcause)));
+
+ DBG_HEXDUMP(MEVT_D, "SSU data",
+ (t_u8 *)pmadapter->ssu_buf->pbuf +
+ pmadapter->ssu_buf->data_offset,
+ 512);
+ pevent->bss_index = pmpriv->bss_index;
+ pevent->event_id = MLAN_EVENT_ID_SSU_DUMP_FILE;
+ pevent->event_len = MLAN_SSU_BUF_SIZE;
+ *(t_ptr *)pevent->event_buf = (t_ptr)pmadapter->ssu_buf->pbuf +
+ pmadapter->ssu_buf->data_offset;
+ wlan_recv_event(pmpriv, pevent->event_id, pevent);
+ wlan_free_ssu_pcie_buf(pmadapter);
+ break;
+#endif
+ case EVENT_MEF_HOST_WAKEUP:
+ PRINTM(MEVENT, "EVENT: EVENT_MEF_HOST_WAKEUP len=%d\n",
+ pmbuf->data_len);
+ break;
+ case EVENT_MANAGEMENT_FRAME_WAKEUP:
+ PRINTM(MEVENT, "EVENT: EVENT_MANAGEMENT_FRAME_WAKEUP HOST\n");
+ break;
+ case EVENT_CLOUD_KEEP_ALIVE_RETRY_FAIL:
+ break;
+ case EVENT_VDLL_IND:
+ wlan_process_vdll_event(pmpriv, pmbuf);
+ break;
+ case EVENT_FW_HANG_REPORT:
+ if (pmbuf->data_len < (sizeof(eventcause) + sizeof(t_u16))) {
+ PRINTM(MEVENT,
+ "EVENT: EVENT_FW_HANG_REPORT skip for len too short: %d\n",
+ pmbuf->data_len);
+ break;
+ }
+ PRINTM(MEVENT, "EVENT: EVENT_FW_HANG_REPORT reasoncode=%d\n",
+ wlan_le16_to_cpu(*(t_u16 *)(pmbuf->pbuf +
+ pmbuf->data_offset +
+ sizeof(eventcause))));
+ pmadapter->fw_hang_report = MTRUE;
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_DRV_DBG_DUMP, MNULL);
+ break;
+ default:
+ PRINTM(MEVENT, "EVENT: unknown event id: %#x\n", eventcause);
+ wlan_recv_event(pmpriv, MLAN_EVENT_ID_FW_UNKNOWN, MNULL);
+ break;
+ }
+done:
+ if (event_buf)
+ pcb->moal_mfree(pmadapter->pmoal_handle, event_buf);
+ LEAVE();
+ return ret;
+}