From: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
This new function will be useful later for extended scan
feature.
Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/scan.c | 133 +++++++++++++++++++-----------------
1 file changed, 71 insertions(+), 62 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 28f0a38..3633347 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1726,6 +1726,76 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info,
return 0;
}
+static void mwifiex_check_next_scan_command(struct mwifiex_private *priv)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct cmd_ctrl_node *cmd_node;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
+ if (list_empty(&adapter->scan_pending_q)) {
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
+ spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+ adapter->scan_processing = false;
+ spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+
+ /* Need to indicate IOCTL complete */
+ if (adapter->curr_cmd->wait_q_enabled) {
+ adapter->cmd_wait_q.status = 0;
+ if (!priv->scan_request) {
+ dev_dbg(adapter->dev,
+ "complete internal scan\n");
+ mwifiex_complete_cmd(adapter,
+ adapter->curr_cmd);
+ }
+ }
+ if (priv->report_scan_result)
+ priv->report_scan_result = false;
+
+ if (priv->scan_request) {
+ dev_dbg(adapter->dev, "info: notifying scan done\n");
+ cfg80211_scan_done(priv->scan_request, 0);
+ priv->scan_request = NULL;
+ } else {
+ priv->scan_aborting = false;
+ dev_dbg(adapter->dev, "info: scan already aborted\n");
+ }
+ } else {
+ if ((priv->scan_aborting && !priv->scan_request) ||
+ priv->scan_block) {
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+ flags);
+ adapter->scan_delay_cnt = MWIFIEX_MAX_SCAN_DELAY_CNT;
+ mod_timer(&priv->scan_delay_timer, jiffies);
+ dev_dbg(priv->adapter->dev,
+ "info: %s: triggerring scan abort\n", __func__);
+ } else if (!mwifiex_wmm_lists_empty(adapter) &&
+ (priv->scan_request && (priv->scan_request->flags &
+ NL80211_SCAN_FLAG_LOW_PRIORITY))) {
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+ flags);
+ adapter->scan_delay_cnt = 1;
+ mod_timer(&priv->scan_delay_timer, jiffies +
+ msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC));
+ dev_dbg(priv->adapter->dev,
+ "info: %s: deferring scan\n", __func__);
+ } else {
+ /* Get scan command from scan_pending_q and put to
+ * cmd_pending_q
+ */
+ cmd_node = list_first_entry(&adapter->scan_pending_q,
+ struct cmd_ctrl_node, list);
+ list_del(&cmd_node->list);
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+ flags);
+ mwifiex_insert_cmd_to_pending_q(adapter, cmd_node,
+ true);
+ }
+ }
+
+ return;
+}
+
/*
* This function handles the command response of scan.
*
@@ -1750,7 +1820,6 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
{
int ret = 0;
struct mwifiex_adapter *adapter = priv->adapter;
- struct cmd_ctrl_node *cmd_node;
struct host_cmd_ds_802_11_scan_rsp *scan_rsp;
struct mwifiex_ie_types_data *tlv_data;
struct mwifiex_ie_types_tsf_timestamp *tsf_tlv;
@@ -1762,7 +1831,6 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
struct mwifiex_ie_types_chan_band_list_param_set *chan_band_tlv;
struct chan_band_param_set *chan_band;
u8 is_bgscan_resp;
- unsigned long flags;
__le64 fw_tsf = 0;
u8 *radio_type;
@@ -1852,66 +1920,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
}
check_next_scan:
- spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
- if (list_empty(&adapter->scan_pending_q)) {
- spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
- spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
- adapter->scan_processing = false;
- spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
-
- /* Need to indicate IOCTL complete */
- if (adapter->curr_cmd->wait_q_enabled) {
- adapter->cmd_wait_q.status = 0;
- if (!priv->scan_request) {
- dev_dbg(adapter->dev,
- "complete internal scan\n");
- mwifiex_complete_cmd(adapter,
- adapter->curr_cmd);
- }
- }
- if (priv->report_scan_result)
- priv->report_scan_result = false;
-
- if (priv->scan_request) {
- dev_dbg(adapter->dev, "info: notifying scan done\n");
- cfg80211_scan_done(priv->scan_request, 0);
- priv->scan_request = NULL;
- } else {
- priv->scan_aborting = false;
- dev_dbg(adapter->dev, "info: scan already aborted\n");
- }
- } else {
- if ((priv->scan_aborting && !priv->scan_request) ||
- priv->scan_block) {
- spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
- flags);
- adapter->scan_delay_cnt = MWIFIEX_MAX_SCAN_DELAY_CNT;
- mod_timer(&priv->scan_delay_timer, jiffies);
- dev_dbg(priv->adapter->dev,
- "info: %s: triggerring scan abort\n", __func__);
- } else if (!mwifiex_wmm_lists_empty(adapter) &&
- (priv->scan_request && (priv->scan_request->flags &
- NL80211_SCAN_FLAG_LOW_PRIORITY))) {
- spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
- flags);
- adapter->scan_delay_cnt = 1;
- mod_timer(&priv->scan_delay_timer, jiffies +
- msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC));
- dev_dbg(priv->adapter->dev,
- "info: %s: deferring scan\n", __func__);
- } else {
- /* Get scan command from scan_pending_q and put to
- cmd_pending_q */
- cmd_node = list_first_entry(&adapter->scan_pending_q,
- struct cmd_ctrl_node, list);
- list_del(&cmd_node->list);
- spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
- flags);
- mwifiex_insert_cmd_to_pending_q(adapter, cmd_node,
- true);
- }
- }
-
+ mwifiex_check_next_scan_command(priv);
return ret;
}
--
1.8.2.3
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
