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>

diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index 8cd12347ee3baa31434ad905739c6284e5186db6..ce6936d0c5c02ee4a64e5bcb5a13e11188adf07f 100644 (file)
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/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;