2020-03-30 11:18:09

by Sriram R

Subject: [PATCH] ath11k: Increase the tx completion ring size

Increase the tx completion ring size to 0x8000.Also set the
idr size to be same as the completion ring size.

This avoids backpressure on the TX Completion and
corresponding TCL Data ring during high data traffic.

Signed-off-by: Sriram R <[email protected]>
---
drivers/net/wireless/ath/ath11k/dp.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h
index 551f9c9..d4e19dc 100644
--- a/drivers/net/wireless/ath/ath11k/dp.h
+++ b/drivers/net/wireless/ath/ath11k/dp.h
@@ -169,8 +169,8 @@ struct ath11k_pdev_dp {

#define DP_WBM_RELEASE_RING_SIZE 64
#define DP_TCL_DATA_RING_SIZE 512
-#define DP_TX_COMP_RING_SIZE 8192
-#define DP_TX_IDR_SIZE (DP_TX_COMP_RING_SIZE << 1)
+#define DP_TX_COMP_RING_SIZE 32768
+#define DP_TX_IDR_SIZE DP_TX_COMP_RING_SIZE
#define DP_TCL_CMD_RING_SIZE 32
#define DP_TCL_STATUS_RING_SIZE 32
#define DP_REO_DST_RING_MAX 4
--
2.7.4

2020-04-06 16:21:28

by Kalle Valo

Subject: Re: [PATCH] ath11k: Increase the tx completion ring size

Sriram R <[email protected]> wrote:

> Increase the tx completion ring size to 0x8000.Also set the
> idr size to be same as the completion ring size.
>
> This avoids backpressure on the TX Completion and
> corresponding TCL Data ring during high data traffic.
>
> Signed-off-by: Sriram R <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

Patch applied to ath-next branch of ath.git, thanks.

bdef56a36eea ath11k: Increase the tx completion ring size

--
https://patchwork.kernel.org/patch/11465275/

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