From 15402933bc93f930f9767f6b2fb16fdb29c3c50e Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Wed, 14 Sep 2016 16:55:25 -0700
Subject: Add physical MTU recommendation hint to network config via API.

---
 node/Network.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'node')

diff --git a/node/Network.cpp b/node/Network.cpp
index 5e3dae90..22aca0d8 100644
--- a/node/Network.cpp
+++ b/node/Network.cpp
@@ -1224,6 +1224,7 @@ void Network::_externalConfig(ZT_VirtualNetworkConfig *ec) const
 	ec->status = _status();
 	ec->type = (_config) ? (_config.isPrivate() ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC) : ZT_NETWORK_TYPE_PRIVATE;
 	ec->mtu = ZT_IF_MTU;
+	ec->physicalMtu = ZT_UDP_DEFAULT_PAYLOAD_MTU - (ZT_PACKET_IDX_PAYLOAD + 16);
 	ec->dhcp = 0;
 	std::vector<Address> ab(_config.activeBridges());
 	ec->bridge = ((_config.allowPassiveBridging())||(std::find(ab.begin(),ab.end(),RR->identity.address()) != ab.end())) ? 1 : 0;
-- 
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