From a0f5ed07f8d1e9c0d55f8a475638e1f8791c162a Mon Sep 17 00:00:00 2001
From: "Goh, Wei Sheng" <wei.sheng.goh@intel.com>
Date: Thu, 17 Aug 2023 16:49:34 +0800
Subject: [PATCH] txrx-tsn: Tuning NAPI Deferral to improve performance

Changes:
- Tune the gro_flush_timeout to 20000ns

Signed-off-by: Goh Wei Sheng <wei.sheng.goh@intel.com>
---
 shell/helpers.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shell/helpers.sh b/shell/helpers.sh
index 6ab7b6c..9544880 100644
--- a/shell/helpers.sh
+++ b/shell/helpers.sh
@@ -197,7 +197,7 @@ napi_switch_on(){
         if [[ $NAPI_DEFERRAL_NEEDED == 1 ]]; then
                 # Workaround for XDP latency : activate napi busy polling
                 echo "[Kernel_${KERNEL_VER}_XDP] Activate napi busy polling."
-                echo 10000 > /sys/class/net/$IFACE/gro_flush_timeout
+                echo 20000 > /sys/class/net/$IFACE/gro_flush_timeout
                 echo 100 > /sys/class/net/$IFACE/napi_defer_hard_irqs
         else
                 echo "[Kernel_${KERNEL_VER}_XDP] Napi polling is not needed."