/**
* @brief This function frees the structure of priv
*
* @param pmpriv A pointer to mlan_private structure
*
* @return N/A
*/
t_void
wlan_free_priv(mlan_private * pmpriv)
{
wlan_clean_txrx(pmpriv);
wlan_delete_bsspriotbl(pmpriv);
#ifdef STA_SUPPORT
wlan_free_curr_bcn(pmpriv);
#endif /* STA_SUPPORT */
wlan_delete_station_list(pmpriv);
}
/**
* @brief Shutdown firmware
*
* @param pmlan_adapter A pointer to mlan_adapter structure
*
* @return MLAN_STATUS_SUCCESS
* The firmware shutdown call succeeded.
* MLAN_STATUS_PENDING
* The firmware shutdown call is pending.
* MLAN_STATUS_FAILURE
* The firmware shutdown call failed.
*/
mlan_status
mlan_shutdown_fw(IN t_void * pmlan_adapter)
{
mlan_status ret = MLAN_STATUS_PENDING;
mlan_adapter *pmadapter = (mlan_adapter *) pmlan_adapter;
mlan_private *priv = MNULL;
pmlan_callbacks pcb;
t_s32 i = 0;
ENTER();
MASSERT(pmlan_adapter);
/* mlan already shutdown */
if (pmadapter->hw_status == WlanHardwareStatusNotReady)
return MLAN_STATUS_SUCCESS;
pmadapter->hw_status = WlanHardwareStatusClosing;
/* wait for mlan_process to complete */
if (pmadapter->mlan_processing) {
PRINTM(MWARN, "mlan main processing is still running\n");
return ret;
}
/* shut down mlan */
PRINTM(MINFO, "Shutdown mlan...\n");
pcb = &pmadapter->callbacks;
/* Clean up Tx/Rx queues and delete BSS priority table */
for (i = 0; i < MLAN_MAX_BSS_NUM; i++) {
if (pmadapter->priv[i]) {
priv = pmadapter->priv[i];
wlan_clean_txrx(priv);
wlan_wmm_cleanup_node(priv);
pcb->moal_free_lock(pmadapter->pmoal_handle, priv->rx_pkt_lock);
wlan_delete_bsspriotbl(priv);
pcb->moal_free_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
#ifdef UAP_SUPPORT
if (priv->bss_type == MLAN_BSS_TYPE_UAP) {
wlan_delete_station_list(priv);
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&priv->sta_list,
priv->adapter->callbacks.moal_free_lock);
}
#endif /* UAP_SUPPORT */
}
}
for (i = 0; i < MLAN_MAX_BSS_NUM; i++)
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->bssprio_tbl[i].bssprio_head,
pcb->moal_free_lock);
if (pcb->moal_spin_lock(pmadapter->pmoal_handle, pmadapter->pmlan_lock)
!= MLAN_STATUS_SUCCESS) {
ret = MLAN_STATUS_FAILURE;
goto exit_shutdown_fw;
}
/* Free adapter structure */
wlan_free_adapter(pmadapter);
if (pcb->moal_spin_unlock(pmadapter->pmoal_handle, pmadapter->pmlan_lock)
!= MLAN_STATUS_SUCCESS) {
ret = MLAN_STATUS_FAILURE;
goto exit_shutdown_fw;
}
/* Notify completion */
ret = wlan_shutdown_fw_complete(pmadapter);
exit_shutdown_fw:
LEAVE();
return ret;
}
