From b471113bfaa2c71b44d349f821800a2b7932317f Mon Sep 17 00:00:00 2001
From: Markus Gothe <markus.gothe@genexis.eu>
Date: Mon, 15 Sep 2025 15:57:06 +0200
Subject: [PATCH] qosmngr: airoha: Fix TCP ACK prioritization.

---
 qosmngr/files/airoha/lib/qos/airoha.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/qosmngr/files/airoha/lib/qos/airoha.sh b/qosmngr/files/airoha/lib/qos/airoha.sh
index 23cf3bba4..00ca24580 100755
--- a/qosmngr/files/airoha/lib/qos/airoha.sh
+++ b/qosmngr/files/airoha/lib/qos/airoha.sh
@@ -134,6 +134,10 @@ hw_init_all() {
     # set_wan_ingress_rate "0" - Not needed, done in policer.sh
     set_wan_egress_rate "0" "0"
 
+    # Don't put TCP ACKs into a high priority queue
+    echo 0 > /proc/qdma_lan/tcp_ack_flag
+    echo 0 > /proc/qdma_wan/tcp_ack_flag
+
     return 0
 }