From bc6281ee63a39842b9f7e0c89dda3a2357ed0d4a Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Perrier <jeanbapt.perrier@gmail.com>
Date: Mon, 15 Feb 2021 20:53:07 +0100
Subject: [PATCH] Add MTU option.

---
 Source/Engine/Platform/Base/NetworkBase.h     | 2 ++
 Source/Engine/Platform/Win32/Win32Network.cpp | 1 +
 2 files changed, 3 insertions(+)

diff --git a/Source/Engine/Platform/Base/NetworkBase.h b/Source/Engine/Platform/Base/NetworkBase.h
index 90195c729..0ae8a3dcc 100644
--- a/Source/Engine/Platform/Base/NetworkBase.h
+++ b/Source/Engine/Platform/Base/NetworkBase.h
@@ -76,6 +76,8 @@ enum class FLAXENGINE_API NetworkSocketOption
     NoDelay,
     /// <summary>Enables IPv6 communication only for TCP socket.</summary>
     IPv6Only,
+    /// <summary>Retrieve the current path MTU, the socket must be connected UDP/TCP.</summary>
+    Mtu
 };
 
 struct FLAXENGINE_API NetworkSocketState
diff --git a/Source/Engine/Platform/Win32/Win32Network.cpp b/Source/Engine/Platform/Win32/Win32Network.cpp
index cea22dacb..38b99a25e 100644
--- a/Source/Engine/Platform/Win32/Win32Network.cpp
+++ b/Source/Engine/Platform/Win32/Win32Network.cpp
@@ -132,6 +132,7 @@ static void TranslateSockOptToNative(NetworkSocketOption option, int32* level, i
     SOCKOPT(NetworkSocketOption::Error, SOL_SOCKET, SO_ERROR)
     SOCKOPT(NetworkSocketOption::NoDelay, IPPROTO_TCP, TCP_NODELAY)
     SOCKOPT(NetworkSocketOption::IPv6Only, IPPROTO_IPV6, IPV6_V6ONLY)
+    SOCKOPT(NetworkSocketOption::Mtu, IPPROTO_IP , IP_MTU)
     }
 }