2017-03-16 10:46:44

by Amitkumar Karwar

[permalink] [raw]
Subject: [PATCH] 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 <[email protected]>
---
drivers/net/wireless/marvell/mwifiex/scan.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index 1816916..8295a05 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -989,10 +989,15 @@ enum cipher_suite {
* 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;
--
1.9.1


2017-03-20 17:09:03

by Kalle Valo

[permalink] [raw]
Subject: Re: mwifiex: send fewer channels to scan while connected

Amitkumar Karwar <[email protected]> wrote:
> 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 <[email protected]>

Patch applied to wireless-drivers-next.git, thanks.

0a5cc49750b8 mwifiex: send fewer channels to scan while connected

--
https://patchwork.kernel.org/patch/9627821/

Documentation about submitting wireless patches and checking status
from patchwork:

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches