From 21fadafd4127e41948ef7bd45164a13da1b7c119 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A9=AC=E6=B4=AA=E8=B4=9E?= <hzma@alauda.io>
Date: Tue, 18 Jul 2023 11:39:55 +0800
Subject: [PATCH] set genev_sys_6081 tx checksum off

---
 cmd/daemon/init.go | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/cmd/daemon/init.go b/cmd/daemon/init.go
index aa7822db7b1..bf094065afd 100644
--- a/cmd/daemon/init.go
+++ b/cmd/daemon/init.go
@@ -3,7 +3,20 @@
 
 package daemon
 
+import (
+	"fmt"
+	"os/exec"
+
+	"k8s.io/klog/v2"
+)
+
 func initForOS() error {
-	// nothing to do on Linux
+	// disable checksum for genev_sys_6081 as default
+	cmd := exec.Command("sh", "-c", "ethtool -K genev_sys_6081 tx off")
+	if err := cmd.Run(); err != nil {
+		err := fmt.Errorf("failed to set checksum off for genev_sys_6081, %v", err)
+		// should not affect cni pod running if failed, just record err log
+		klog.Error(err)
+	}
 	return nil
 }