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path: root/drivers/net/wireless/mwifiex/scan.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/scan.c')
-rw-r--r--drivers/net/wireless/mwifiex/scan.c116
1 files changed, 75 insertions, 41 deletions
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index dee717a19ddb..ca64d4c94112 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -799,6 +799,7 @@ mwifiex_config_scan(struct mwifiex_private *priv,
{
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_ie_types_num_probes *num_probes_tlv;
+ struct mwifiex_ie_types_scan_chan_gap *chan_gap_tlv;
struct mwifiex_ie_types_wildcard_ssid_params *wildcard_ssid_tlv;
struct mwifiex_ie_types_bssid_list *bssid_tlv;
u8 *tlv_pos;
@@ -925,6 +926,23 @@ mwifiex_config_scan(struct mwifiex_private *priv,
if ((i && ssid_filter) ||
!is_zero_ether_addr(scan_cfg_out->specific_bssid))
*filtered_scan = true;
+
+ if (user_scan_in->scan_chan_gap) {
+ dev_dbg(adapter->dev, "info: scan: channel gap = %d\n",
+ user_scan_in->scan_chan_gap);
+ *max_chan_per_scan =
+ MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN;
+
+ chan_gap_tlv = (void *)tlv_pos;
+ chan_gap_tlv->header.type =
+ cpu_to_le16(TLV_TYPE_SCAN_CHANNEL_GAP);
+ chan_gap_tlv->header.len =
+ cpu_to_le16(sizeof(chan_gap_tlv->chan_gap));
+ chan_gap_tlv->chan_gap =
+ cpu_to_le16((user_scan_in->scan_chan_gap));
+ tlv_pos +=
+ sizeof(struct mwifiex_ie_types_scan_chan_gap);
+ }
} else {
scan_cfg_out->bss_mode = (u8) adapter->scan_mode;
num_probes = adapter->scan_probes;
@@ -1050,12 +1068,6 @@ mwifiex_config_scan(struct mwifiex_private *priv,
*filtered_scan);
}
- /*
- * In associated state we will reduce the number of channels scanned per
- * scan command to 1 to avoid any traffic delay/loss.
- */
- if (priv->media_connected)
- *max_chan_per_scan = 1;
}
/*
@@ -1719,7 +1731,8 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info,
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
bss = cfg80211_inform_bss(priv->wdev->wiphy,
- chan, bssid, timestamp,
+ chan, CFG80211_BSS_FTYPE_UNKNOWN,
+ bssid, timestamp,
cap_info_bitmap, beacon_period,
ie_buf, ie_len, rssi, GFP_KERNEL);
bss_priv = (struct mwifiex_bss_priv *)bss->priv;
@@ -1754,7 +1767,7 @@ static void mwifiex_complete_scan(struct mwifiex_private *priv)
static void mwifiex_check_next_scan_command(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
- struct cmd_ctrl_node *cmd_node;
+ struct cmd_ctrl_node *cmd_node, *tmp_node;
unsigned long flags;
spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
@@ -1767,9 +1780,6 @@ static void mwifiex_check_next_scan_command(struct mwifiex_private *priv)
if (!adapter->ext_scan)
mwifiex_complete_scan(priv);
- 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);
@@ -1778,37 +1788,36 @@ static void mwifiex_check_next_scan_command(struct mwifiex_private *priv)
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);
+ } else if ((priv->scan_aborting && !priv->scan_request) ||
+ priv->scan_block) {
+ list_for_each_entry_safe(cmd_node, tmp_node,
+ &adapter->scan_pending_q, 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_insert_cmd_to_free_q(adapter, cmd_node);
+ }
+ 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);
+
+ if (priv->scan_request) {
+ dev_dbg(adapter->dev, "info: aborting scan\n");
+ cfg80211_scan_done(priv->scan_request, 1);
+ priv->scan_request = NULL;
+ } else {
+ priv->scan_aborting = false;
+ dev_dbg(adapter->dev, "info: scan already aborted\n");
}
+ } 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;
@@ -1970,9 +1979,34 @@ int mwifiex_cmd_802_11_scan_ext(struct mwifiex_private *priv,
/* This function handles the command response of extended scan */
int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv)
{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct host_cmd_ds_command *cmd_ptr;
+ struct cmd_ctrl_node *cmd_node;
+ unsigned long cmd_flags, scan_flags;
+ bool complete_scan = false;
+
dev_dbg(priv->adapter->dev, "info: EXT scan returns successfully\n");
- mwifiex_complete_scan(priv);
+ spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_flags);
+ spin_lock_irqsave(&adapter->scan_pending_q_lock, scan_flags);
+ if (list_empty(&adapter->scan_pending_q)) {
+ complete_scan = true;
+ list_for_each_entry(cmd_node, &adapter->cmd_pending_q, list) {
+ cmd_ptr = (void *)cmd_node->cmd_skb->data;
+ if (le16_to_cpu(cmd_ptr->command) ==
+ HostCmd_CMD_802_11_SCAN_EXT) {
+ dev_dbg(priv->adapter->dev,
+ "Scan pending in command pending list");
+ complete_scan = false;
+ break;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock, scan_flags);
+ spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, cmd_flags);
+
+ if (complete_scan)
+ mwifiex_complete_scan(priv);
return 0;
}