From 3870f16f6eb8959319629fdf7d4eb1f5583ed942 Mon Sep 17 00:00:00 2001
From: michael-west <michael.west@ettus.com>
Date: Tue, 21 Mar 2017 14:29:23 -0700
Subject: UDP: Set default socket buffer size to number of frames * 9000
 (maximum Ethernet MTU)

---
 host/lib/transport/udp_common.hpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'host/lib/transport/udp_common.hpp')

diff --git a/host/lib/transport/udp_common.hpp b/host/lib/transport/udp_common.hpp
index bf4712613..3ee568432 100644
--- a/host/lib/transport/udp_common.hpp
+++ b/host/lib/transport/udp_common.hpp
@@ -23,6 +23,9 @@
 
 namespace uhd{ namespace transport{
 
+    // Jumbo frames are limited to 9000;
+    static const size_t MAX_ETHERNET_MTU = 9000;
+
     typedef boost::shared_ptr<boost::asio::ip::udp::socket> socket_sptr;
 
     /*!
-- 
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