/*
* This function frees the adapter structure.
*
* The freeing operation is done recursively, by canceling all
* pending commands, freeing the member buffers previously
* allocated (command buffers, scan table buffer, sleep confirm
* command buffer), stopping the timers and calling the cleanup
* routines for every interface, before the actual adapter
* structure is freed.
*/
static void
mwifiex_free_adapter(struct mwifiex_adapter *adapter)
{
if (!adapter) {
pr_err("%s: adapter is NULL\n", __func__);
return;
}
mwifiex_cancel_all_pending_cmd(adapter);
/* Free lock variables */
mwifiex_free_lock_list(adapter);
/* Free command buffer */
dev_dbg(adapter->dev, "info: free cmd buffer\n");
mwifiex_free_cmd_buffer(adapter);
del_timer(&adapter->cmd_timer);
dev_dbg(adapter->dev, "info: free scan table\n");
adapter->if_ops.cleanup_if(adapter);
if (adapter->sleep_cfm)
dev_kfree_skb_any(adapter->sleep_cfm);
}
/*
* This function performs cleanup for adapter structure.
*
* The cleanup is done recursively, by canceling all pending
* commands, freeing the member buffers previously allocated
* (command buffers, scan table buffer, sleep confirm command
* buffer), stopping the timers and calling the cleanup routines
* for every interface.
*/
static void
mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
{
int idx;
if (!adapter) {
pr_err("%s: adapter is NULL\n", __func__);
return;
}
mwifiex_cancel_all_pending_cmd(adapter);
/* Free lock variables */
mwifiex_free_lock_list(adapter);
/* Free command buffer */
dev_dbg(adapter->dev, "info: free cmd buffer\n");
mwifiex_free_cmd_buffer(adapter);
for (idx = 0; idx < adapter->num_mem_types; idx++) {
struct memory_type_mapping *entry =
&adapter->mem_type_mapping_tbl[idx];
if (entry->mem_ptr) {
vfree(entry->mem_ptr);
entry->mem_ptr = NULL;
}
entry->mem_size = 0;
}
if (adapter->sleep_cfm)
dev_kfree_skb_any(adapter->sleep_cfm);
}
static void wakeup_timer_fn(unsigned long data)
{
struct mwifiex_adapter *adapter = (struct mwifiex_adapter *)data;
mwifiex_dbg(adapter, ERROR, "Firmware wakeup failed\n");
adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
mwifiex_cancel_all_pending_cmd(adapter);
if (adapter->if_ops.card_reset)
adapter->if_ops.card_reset(adapter);
}
/*
* Sends IOCTL request to cancel the existing Host Sleep configuration.
*
* This function allocates the IOCTL request buffer, fills it
* with requisite parameters and calls the IOCTL handler.
*/
int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
{
struct mwifiex_ds_hs_cfg hscfg;
struct mwifiex_private *priv;
int i;
if (disconnect_on_suspend) {
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv)
mwifiex_deauthenticate(priv, NULL);
}
}
if (adapter->hs_activated) {
dev_dbg(adapter->dev, "cmd: HS Already activated\n");
return true;
}
adapter->hs_activate_wait_q_woken = false;
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
hscfg.is_invoke_hostcmd = true;
adapter->hs_enabling = true;
mwifiex_cancel_all_pending_cmd(adapter);
if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_STA),
HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
&hscfg)) {
dev_err(adapter->dev, "IOCTL request HS enable failed\n");
return false;
}
if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
adapter->hs_activate_wait_q_woken,
(10 * HZ)) <= 0) {
dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
return false;
}
return true;
}
/*
* Wait queue completion handler.
*
* This function waits on a cmd wait queue. It also cancels the pending
* request after waking up, in case of errors.
*/
int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
struct cmd_ctrl_node *cmd_queued)
{
int status;
/* Wait for completion */
status = wait_event_interruptible(adapter->cmd_wait_q.wait,
*(cmd_queued->condition));
if (status) {
dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
mwifiex_cancel_all_pending_cmd(adapter);
return status;
}
status = adapter->cmd_wait_q.status;
adapter->cmd_wait_q.status = 0;
return status;
}
/*
* This function performs cleanup for adapter structure.
*
* The cleanup is done recursively, by canceling all pending
* commands, freeing the member buffers previously allocated
* (command buffers, scan table buffer, sleep confirm command
* buffer), stopping the timers and calling the cleanup routines
* for every interface.
*/
static void
mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
{
int idx;
if (!adapter) {
pr_err("%s: adapter is NULL\n", __func__);
return;
}
del_timer(&adapter->wakeup_timer);
mwifiex_cancel_all_pending_cmd(adapter);
wake_up_interruptible(&adapter->cmd_wait_q.wait);
wake_up_interruptible(&adapter->hs_activate_wait_q);
/* Free lock variables */
mwifiex_free_lock_list(adapter);
/* Free command buffer */
mwifiex_dbg(adapter, INFO, "info: free cmd buffer\n");
mwifiex_free_cmd_buffer(adapter);
for (idx = 0; idx < adapter->num_mem_types; idx++) {
struct memory_type_mapping *entry =
&adapter->mem_type_mapping_tbl[idx];
if (entry->mem_ptr) {
vfree(entry->mem_ptr);
entry->mem_ptr = NULL;
}
entry->mem_size = 0;
}
if (adapter->drv_info_dump) {
vfree(adapter->drv_info_dump);
adapter->drv_info_dump = NULL;
adapter->drv_info_size = 0;
}
if (adapter->sleep_cfm)
dev_kfree_skb_any(adapter->sleep_cfm);
}
/*
* Wait queue completion handler.
*
* This function waits on a cmd wait queue. It also cancels the pending
* request after waking up, in case of errors.
*/
int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
struct cmd_ctrl_node *cmd_queued)
{
int status;
/* Wait for completion */
status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
*(cmd_queued->condition),
(12 * HZ));
if (status <= 0) {
if (status == 0)
status = -ETIMEDOUT;
mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n",
status);
mwifiex_cancel_all_pending_cmd(adapter);
return status;
}
status = adapter->cmd_wait_q.status;
adapter->cmd_wait_q.status = 0;
return status;
}
/*
* Sends IOCTL request to cancel the existing Host Sleep configuration.
*
* This function allocates the IOCTL request buffer, fills it
* with requisite parameters and calls the IOCTL handler.
*/
int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
{
struct mwifiex_ds_hs_cfg hscfg;
struct mwifiex_private *priv;
int i;
if (disconnect_on_suspend) {
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv)
mwifiex_deauthenticate(priv, NULL);
}
}
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
if (priv && priv->sched_scanning) {
#ifdef CONFIG_PM
if (priv->wdev.wiphy->wowlan_config &&
!priv->wdev.wiphy->wowlan_config->nd_config) {
#endif
mwifiex_dbg(adapter, CMD, "aborting bgscan!\n");
mwifiex_stop_bg_scan(priv);
cfg80211_sched_scan_stopped(priv->wdev.wiphy);
#ifdef CONFIG_PM
}
#endif
}
if (adapter->hs_activated) {
mwifiex_dbg(adapter, CMD,
"cmd: HS Already activated\n");
return true;
}
adapter->hs_activate_wait_q_woken = false;
memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
hscfg.is_invoke_hostcmd = true;
adapter->hs_enabling = true;
mwifiex_cancel_all_pending_cmd(adapter);
if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_STA),
HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
&hscfg)) {
mwifiex_dbg(adapter, ERROR,
"IOCTL request HS enable failed\n");
return false;
}
if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
adapter->hs_activate_wait_q_woken,
(10 * HZ)) <= 0) {
mwifiex_dbg(adapter, ERROR,
"hs_activate_wait_q terminated\n");
return false;
}
return true;
}
