On Sun 12 Nov 06:21 PST 2017, Ramon Fried wrote:
> From: Eyal Ilsar <eilsar@xxxxxxxxxxxxxx>
>
> If the value for the firmware configuration parameters BTC_STATIC_LEN_LE_BT
> and BTC_STATIC_LEN_LE_WLAN are not set the duty cycle between BT and WLAN
> is such that if BT (including BLE) is active WLAN gets 0 bandwidth.
> When tuning these parameters having a too high value for WLAN means that BLE performance degrades.
> The "sweet" point of roughly half of the maximal values was empirically found to achieve
> a balance between BLE and Wi-Fi coexistence performance.
>
Thanks for the patch! Just some minor comments.
Please limit subject to 50 chars and wrap body at 72 chars.
> Signed-off-by: Eyal Ilsar <eilsar@xxxxxxxxxxxxxx>
> Signed-off-by: Ramon Fried <rfried@xxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/wcn36xx/smd.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
> index 9c6590d..1c75987 100644
> --- a/drivers/net/wireless/ath/wcn36xx/smd.c
> +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
> @@ -72,8 +72,10 @@ struct wcn36xx_cfg_val {
> WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0),
> WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1),
> WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1),
> - WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
I don't see a need for moving this line.
> + WCN36XX_CFG_VAL(BTC_STATIC_LEN_LE_BT, 120000),
> + WCN36XX_CFG_VAL(BTC_STATIC_LEN_LE_WLAN, 30000),
These looks reasonable, are we okay leaving the other coexistence
properties at their preconfigured values?
> WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10),
> + WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
> WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0),
Regards,
Bjorn
