rfnoc: add rx and tx transports, and amend rfnoc_graph

transports:

Transports build on I/O service and implements flow control and
sequence number checking.

The rx streamer subclass extends the streamer implementation to connect
it to the rfnoc graph. It receives configuration values from property
propagation and configures the streamer accordingly. It also implements
the issue_stream_cmd rx_streamer API method.

Add implementation of rx streamer creation and method to connect it to
an rfnoc block.

rfnoc_graph: Cache more connection info, clarify contract

Summary of changes:
- rfnoc_graph stores more information about static connections at the
  beginning. Some search algorithms are replaced by simpler lookups.
- The contract for connect() was clarified. It is required to call
  connect, even for static connections.

1 files changed, 1 insertions, 12 deletions

diff --git a/host/lib/include/uhdlib/rfnoc/link_stream_manager.hpp b/host/lib/include/uhdlib/rfnoc/link_stream_manager.hpp
index 79121a498..72f1cf1c7 100644
--- a/host/lib/include/uhdlib/rfnoc/link_stream_manager.hpp
+++ b/host/lib/include/uhdlib/rfnoc/link_stream_manager.hpp
@@ -11,6 +11,7 @@
 #include <uhdlib/rfnoc/ctrlport_endpoint.hpp>
 #include <uhdlib/rfnoc/epid_allocator.hpp>
 #include <uhdlib/rfnoc/mb_iface.hpp>
+#include <uhdlib/rfnoc/chdr_rx_data_xport.hpp>
 #include <functional>
 #include <memory>
 #include <set>
@@ -112,41 +113,29 @@ public:
     /*! \brief Create a data stream going from the host to the device
      *
      * \param dst_addr The address of the destination stream endpoint
-     * \param lossy_xport Is the transport lossy?
      * \param pyld_buff_fmt Datatype of SW buffer that holds the data payload
      * \param mdata_buff_fmt Datatype of SW buffer that holds the data metadata
-     * \param fc_freq_ratio Flow control response frequency as a ratio of the buff params
-     * \param fc_headroom_ratio Flow control headroom as a ratio of the buff params
      * \param xport_args The transport arguments
      * \return An transport instance
      */
     virtual chdr_tx_data_xport::uptr create_host_to_device_data_stream(
         const sep_addr_t dst_addr,
-        const bool lossy_xport,
         const sw_buff_t pyld_buff_fmt,
         const sw_buff_t mdata_buff_fmt,
-        const double fc_freq_ratio,
-        const double fc_headroom_ratio,
         const device_addr_t& xport_args) = 0;
 
     /*! \brief Create a data stream going from the device to the host
      *
      * \param dst_addr The address of the destination stream endpoint
-     * \param lossy_xport Is the transport lossy?
      * \param pyld_buff_fmt Datatype of SW buffer that holds the data payload
      * \param mdata_buff_fmt Datatype of SW buffer that holds the data metadata
-     * \param fc_freq_ratio Flow control response frequency as a ratio of the buff params
-     * \param fc_headroom_ratio Flow control headroom as a ratio of the buff params
      * \param xport_args The transport arguments
      * \return An transport instance
      */
     virtual chdr_rx_data_xport::uptr create_device_to_host_data_stream(
         const sep_addr_t src_addr,
-        const bool lossy_xport,
         const sw_buff_t pyld_buff_fmt,
         const sw_buff_t mdata_buff_fmt,
-        const double fc_freq_ratio,
-        const double fc_headroom_ratio,
         const device_addr_t& xport_args) = 0;
 
     static uptr make(const chdr::chdr_packet_factory& pkt_factory,