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mwifiex: send fewer channels to scan while connected

Application triggers periodic background scans when device is connected.
We will scan less number of channels per scan command so that data
traffic won't get affected.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Amitkumar Karwar 8 years ago
parent
commit
0a5cc49750
1 changed files with 8 additions and 3 deletions
  1. 8 3
      drivers/net/wireless/marvell/mwifiex/scan.c

+ 8 - 3
drivers/net/wireless/marvell/mwifiex/scan.c

@@ -994,10 +994,15 @@ mwifiex_config_scan(struct mwifiex_private *priv,
 	 *  If a specific BSSID or SSID is used, the number of channels in the
 	 *  scan command will be increased to the absolute maximum.
 	 */
-	if (*filtered_scan)
+	if (*filtered_scan) {
 		*max_chan_per_scan = MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN;
-	else
-		*max_chan_per_scan = MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD;
+	} else {
+		if (!priv->media_connected)
+			*max_chan_per_scan = MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD;
+		else
+			*max_chan_per_scan =
+					MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD / 2;
+	}
 
 	if (adapter->ext_scan) {
 		bss_mode = (struct mwifiex_ie_types_bss_mode *)tlv_pos;