From 4842d45fec1e62f9687ccf5c000f29cd34425964 Mon Sep 17 00:00:00 2001
From: Alex Williams <alex.williams@ni.com>
Date: Fri, 15 Mar 2019 15:06:55 -0700
Subject: x300: Add support for DPDK transports

Use dpdk_simple together with a control transport factory.
Where udp_zero_copy is used, use dpdk_zero_copy if use_dpdk=1.
---
 host/lib/usrp/x300/x300_impl.hpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'host/lib/usrp/x300/x300_impl.hpp')

diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp
index c58440d54..c101b3032 100644
--- a/host/lib/usrp/x300/x300_impl.hpp
+++ b/host/lib/usrp/x300/x300_impl.hpp
@@ -33,6 +33,7 @@
 #include <boost/dynamic_bitset.hpp>
 #include <boost/weak_ptr.hpp>
 #include <atomic>
+#include <functional>
 
 // Ethernet ports
 enum x300_eth_iface_t {
@@ -48,7 +49,6 @@ struct x300_eth_conn_t
     size_t link_rate;
 };
 
-
 uhd::uart_iface::sptr x300_make_uart_iface(uhd::wb_iface::sptr iface);
 
 uhd::wb_iface::sptr x300_make_ctrl_iface_enet(
@@ -61,6 +61,10 @@ uhd::device_addrs_t x300_find(const uhd::device_addr_t& hint_);
 class x300_impl : public uhd::usrp::device3_impl
 {
 public:
+    //! Function to create a udp_simple::sptr (kernel-based or DPDK-based)
+    using udp_simple_factory_t =
+        std::function<uhd::transport::udp_simple::sptr(const std::string&, const std::string&)>;
+
     x300_impl(const uhd::device_addr_t&);
     void setup_mb(const size_t which, const uhd::device_addr_t&);
     ~x300_impl(void);
@@ -231,6 +235,8 @@ private:
     uhd::device_addr_t get_rx_hints(size_t mb_index);
 
     void post_streamer_hooks(uhd::direction_t dir);
+
+    udp_simple_factory_t _x300_make_udp_connected;
 };
 
 #endif /* INCLUDED_X300_IMPL_HPP */
-- 
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