/**
* @brief This function frees the structure of adapter
*
* @param pmadapter A pointer to mlan_adapter structure
*
* @return N/A
*/
t_void
wlan_free_adapter(pmlan_adapter pmadapter)
{
mlan_callbacks *pcb = (mlan_callbacks *) & pmadapter->callbacks;
ENTER();
if (!pmadapter) {
PRINTM(MERROR, "The adapter is MNULL.\n");
LEAVE();
return;
}
wlan_cancel_all_pending_cmd(pmadapter);
/* Free command buffer */
PRINTM(MINFO, "Free Command buffer\n");
wlan_free_cmd_buffer(pmadapter);
util_free_list_head(&pmadapter->cmd_free_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head(&pmadapter->cmd_pending_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head(&pmadapter->scan_pending_q,
pmadapter->callbacks.moal_free_lock);
if (pmadapter->cmd_timer_is_set) {
/* Cancel command timeout timer */
pcb->moal_stop_timer(pmadapter->pmlan_cmd_timer);
pmadapter->cmd_timer_is_set = MFALSE;
}
PRINTM(MINFO, "Free ScanTable\n");
if (pmadapter->pscan_table) {
pcb->moal_mfree((t_u8 *) pmadapter->pscan_table);
pmadapter->pscan_table = MNULL;
}
if (pmadapter->mp_regs_buf) {
pcb->moal_mfree((t_u8 *) pmadapter->mp_regs_buf);
pmadapter->mp_regs_buf = MNULL;
pmadapter->mp_regs = MNULL;
}
#if defined(SDIO_MULTI_PORT_TX_AGGR) || defined(SDIO_MULTI_PORT_RX_AGGR)
wlan_free_sdio_mpa_buffers(pmadapter);
#endif
wlan_free_mlan_buffer(&pmadapter->callbacks, pmadapter->psleep_cfm);
LEAVE();
return;
}
/**
* @brief This function frees the structure of adapter
*
* @param pmadapter A pointer to mlan_adapter structure
*
* @return N/A
*/
t_void
wlan_free_adapter(pmlan_adapter pmadapter)
{
mlan_callbacks *pcb = (mlan_callbacks *) & pmadapter->callbacks;
ENTER();
if (!pmadapter) {
PRINTM(ERROR, "The adapter is MNULL.\n");
LEAVE();
return;
}
wlan_cancel_all_pending_cmd(pmadapter);
/* Free command buffer */
PRINTM(INFO, "Free Command buffer\n");
wlan_free_cmd_buffer(pmadapter);
util_free_list_head(&pmadapter->cmd_free_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head(&pmadapter->cmd_pending_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head(&pmadapter->scan_pending_q,
pmadapter->callbacks.moal_free_lock);
if (pmadapter->cmd_timer_is_set) {
/* Cancel command timeout timer */
pcb->moal_stop_timer(pmadapter->pmlan_cmd_timer);
pmadapter->cmd_timer_is_set = MFALSE;
}
if (pmadapter->hb_host_timer_is_set) {
pcb->moal_stop_timer(pmadapter->hb_host_timer);
pmadapter->hb_host_timer_is_set = MFALSE;
}
if (pmadapter->hb_dev_timer_is_set) {
pcb->moal_stop_timer(pmadapter->hb_device_timer);
pmadapter->hb_dev_timer_is_set = MFALSE;
}
PRINTM(INFO, "Free ScanTable\n");
if (pmadapter->pscan_table) {
pcb->moal_mfree((t_u8 *) pmadapter->pscan_table);
pmadapter->pscan_table = MNULL;
}
LEAVE();
return;
}
/**
* @brief This function releases the lock variables
*
* @param pmadapter A pointer to a mlan_adapter structure
*
* @return None
*
*/
t_void
wlan_free_lock_list(IN pmlan_adapter pmadapter)
{
pmlan_private priv = MNULL;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_s32 i = 0;
t_s32 j = 0;
ENTER();
if (pmadapter->pmlan_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle, pmadapter->pmlan_lock);
if (pmadapter->pint_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle, pmadapter->pint_lock);
if (pmadapter->pmain_proc_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle,
pmadapter->pmain_proc_lock);
if (pmadapter->pmlan_cmd_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle, pmadapter->pmlan_cmd_lock);
for (i = 0; i < pmadapter->priv_num; i++) {
if (pmadapter->priv[i]) {
priv = pmadapter->priv[i];
if (priv->rx_pkt_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle, priv->rx_pkt_lock);
if (priv->wmm.ra_list_spinlock)
pcb->moal_free_lock(pmadapter->pmoal_handle,
priv->wmm.ra_list_spinlock);
#ifdef STA_SUPPORT
if (priv->curr_bcn_buf_lock)
pcb->moal_free_lock(pmadapter->pmoal_handle,
priv->curr_bcn_buf_lock);
#endif
}
}
/* Free lists */
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->bypass_txq,
pmadapter->callbacks.moal_free_lock);
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->cmd_free_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->cmd_pending_q,
pmadapter->callbacks.moal_free_lock);
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->scan_pending_q,
pmadapter->callbacks.moal_free_lock);
for (i = 0; i < pmadapter->priv_num; i++)
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&pmadapter->bssprio_tbl[i].bssprio_head,
pcb->moal_free_lock);
for (i = 0; i < pmadapter->priv_num; i++) {
if (pmadapter->priv[i]) {
priv = pmadapter->priv[i];
util_free_list_head((t_void *) pmadapter->pmoal_handle,
&priv->sta_list,
priv->adapter->callbacks.moal_free_lock);
for (j = 0; j < MAX_NUM_TID; ++j)
util_free_list_head((t_void *) priv->adapter->pmoal_handle,
&priv->wmm.tid_tbl_ptr[j].ra_list,
priv->adapter->callbacks.moal_free_lock);
util_free_list_head((t_void *) priv->adapter->pmoal_handle,
&priv->tx_ba_stream_tbl_ptr,
priv->adapter->callbacks.moal_free_lock);
util_free_list_head((t_void *) priv->adapter->pmoal_handle,
&priv->rx_reorder_tbl_ptr,
priv->adapter->callbacks.moal_free_lock);
util_scalar_free((t_void *) priv->adapter->pmoal_handle,
&priv->wmm.tx_pkts_queued,
priv->adapter->callbacks.moal_free_lock);
util_scalar_free((t_void *) priv->adapter->pmoal_handle,
&priv->wmm.highest_queued_prio,
priv->adapter->callbacks.moal_free_lock);
}
}
LEAVE();
return;
}
/**
* @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;
}
