Messages in this thread | | | Date | Mon, 13 Nov 2017 10:16:42 -0800 | From | Bjorn Andersson <> | Subject | Re: [PATCH] wcn36xx: Set BTLE coexistence related configuration values to defaults |
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On Sun 12 Nov 06:21 PST 2017, Ramon Fried wrote:
> From: Eyal Ilsar <eilsar@codeaurora.org> > > 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@codeaurora.org> > Signed-off-by: Ramon Fried <rfried@codeaurora.org> > --- > 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
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