2 files changed, 70 insertions, 0 deletions
diff --git a/host/include/uhd/transport/CMakeLists.txt b/host/include/uhd/transport/CMakeLists.txt
index d0810e502..400b3db0b 100644
--- a/host/include/uhd/transport/CMakeLists.txt
+++ b/host/include/uhd/transport/CMakeLists.txt
@@ -10,6 +10,7 @@ UHD_INSTALL(FILES
     bounded_buffer.ipp
     buffer_pool.hpp
     chdr.hpp
+    frame_buff.hpp
     if_addrs.hpp
     udp_constants.hpp
     udp_simple.hpp
diff --git a/host/include/uhd/transport/frame_buff.hpp b/host/include/uhd/transport/frame_buff.hpp
new file mode 100644
index 000000000..c335f0c4b
--- /dev/null
+++ b/host/include/uhd/transport/frame_buff.hpp
@@ -0,0 +1,69 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_UHD_TRANSPORT_FRAME_BUFF_HPP
+#define INCLUDED_UHD_TRANSPORT_FRAME_BUFF_HPP
+
+#include <memory>
+
+namespace uhd { namespace transport {
+
+/*!
+ * Contains a reference to a frame buffer managed by a link.
+ */
+class frame_buff
+{
+public:
+    /*!
+     * No-op deleter to prevent unique_ptr from deleting the buffer if the
+     * pointer goes out of scope. The lifetime of the buffers is controlled
+     * by the links.
+     */
+    struct deleter
+    {
+        void operator()(frame_buff*) {}
+    };
+
+    using uptr = std::unique_ptr<frame_buff, deleter>;
+
+    /*!
+     * Get the raw data buffer contained within the frame buffer
+     * \return a pointer to the buffer memory.
+     */
+    void* data() const
+    {
+        return _data;
+    }
+
+    /*!
+     * Returns the size of the packet
+     * \return the size of the packet contained in the frame buffer, in bytes.
+     */
+    size_t packet_size() const
+    {
+        return _packet_size;
+    }
+
+    /*!
+     * Sets the size of the packet contained in the frame buffer, in bytes.
+     * \param size Number of bytes occupied in the buffer
+     */
+    void set_packet_size(size_t size)
+    {
+        _packet_size = size;
+    }
+
+protected:
+    /*! Pointer to data of current frame */
+    void* _data = nullptr;
+
+    /*! Size of packet in current frame */
+    size_t _packet_size = 0;
+};
+
+}} // namespace uhd::transport
+
+#endif /* INCLUDED_UHD_TRANSPORT_FRAME_BUFF_HPP */