Make tun MTU a list and port nullable

https://github.com/XTLS/Xray-core/pull/5887

V2rayNG/app/src/main/assets/v2ray_config_with_tun.json

@@ -36,7 +36,6 @@
   },
   {
     "tag": "tun",
-    "port": 0,
     "protocol": "tun",
     "settings": {
       "name": "xray0",

V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt

@@ -31,7 +31,7 @@ data class V2rayConfig(
 
     data class InboundBean(
         var tag: String,
-        var port: Int,
+        var port: Int?,
         var protocol: String,
         var listen: String? = null,
         var settings: InSettingsBean? = null,
@@ -46,8 +46,7 @@ data class V2rayConfig(
             var userLevel: Int? = null,
             var accounts: List<SocksAccountBean>? = null,
             var name: String? = null,
-            @SerializedName("MTU")
-            var mtu: Int? = null
+            var mtu: List<Int>? = null
         ) {
             data class SocksAccountBean(
                 var user: String = "",

V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt

@@ -116,7 +116,7 @@ object V2rayConfigManager {
         // add tun inbound from template
         val templateConfig = initV2rayConfig(context) ?: return result
         val inboundTun = templateConfig.inbounds.firstOrNull { it.tag == "tun" } ?: return result
-        inboundTun.settings?.mtu = SettingsManager.getVpnMtu()
+        inboundTun.settings?.mtu = arrayListOf(SettingsManager.getVpnMtu())
 
         // add to json
         inboundsJson.add(JsonUtil.parseString(JsonUtil.toJson(inboundTun)))
@@ -419,7 +419,7 @@ object V2rayConfigManager {
 
             if (needTun()) {
                 val inboundTun = v2rayConfig.inbounds.firstOrNull { e -> e.tag == "tun" }
-                inboundTun?.settings?.mtu = SettingsManager.getVpnMtu()
+                inboundTun?.settings?.mtu = arrayListOf(SettingsManager.getVpnMtu())
                 inboundTun?.sniffing = inbound1.sniffing
             }
         } catch (e: Exception) {