chore: force to disable mptcp for tproxy

component/mptcp/mptcp_go120.go

@@ -0,0 +1,23 @@
+//go:build !go1.21
+
+package mptcp
+
+import (
+	"net"
+)
+
+const MultipathTCPAvailable = false
+
+func SetNetDialer(dialer *net.Dialer, open bool) {
+}
+
+func GetNetDialer(dialer *net.Dialer) bool {
+	return false
+}
+
+func SetNetListenConfig(listenConfig *net.ListenConfig, open bool) {
+}
+
+func GetNetListenConfig(listenConfig *net.ListenConfig) bool {
+	return false
+}

component/mptcp/mptcp_go121.go

@@ -0,0 +1,23 @@
+//go:build go1.21
+
+package mptcp
+
+import "net"
+
+const MultipathTCPAvailable = true
+
+func SetNetDialer(dialer *net.Dialer, open bool) {
+	dialer.SetMultipathTCP(open)
+}
+
+func GetNetDialer(dialer *net.Dialer) bool {
+	return dialer.MultipathTCP()
+}
+
+func SetNetListenConfig(listenConfig *net.ListenConfig, open bool) {
+	listenConfig.SetMultipathTCP(open)
+}
+
+func GetNetListenConfig(listenConfig *net.ListenConfig) bool {
+	return listenConfig.MultipathTCP()
+}