ath11k: Increase the tx completion ring size
authorSriram R <srirrama@codeaurora.org>
Mon, 30 Mar 2020 11:16:46 +0000 (16:46 +0530)
committerKalle Valo <kvalo@codeaurora.org>
Mon, 6 Apr 2020 16:20:00 +0000 (19:20 +0300)
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 <srirrama@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1585567006-9173-1-git-send-email-srirrama@codeaurora.org
drivers/net/wireless/ath/ath11k/dp.h

index 551f9c9..d4e19dc 100644 (file)
@@ -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