rfnoc: Add chdr_ctrl_xport

chdr_ctrl_xport is a dumb-pipe transport for RFNoC control transactions
and management frames.

Also remove the I/O service's check on num_recv_frames and num_send_frames.
The transports may request additional virtual channels, so the send_io_if
and recv_io_if may not reserve additional frames, as they are shared with
a previously-allocated instance.

Note: this uses a mutex to force sequentual access to the
chdr_ctrl_xport. This is supposed to go away when the multi threaded
xport is done.

1 files changed, 0 insertions, 4 deletions

diff --git a/host/lib/transport/inline_io_service.cpp b/host/lib/transport/inline_io_service.cpp
index 72acea738..942c99d5f 100644
--- a/host/lib/transport/inline_io_service.cpp
+++ b/host/lib/transport/inline_io_service.cpp
@@ -272,10 +272,8 @@ recv_io_if::sptr inline_io_service::make_recv_client(recv_link_if::sptr data_lin
     recv_io_if::fc_callback_t fc_cb)
 {
     UHD_ASSERT_THROW(data_link);
-    UHD_ASSERT_THROW(num_recv_frames > 0);
     UHD_ASSERT_THROW(cb);
     if (fc_link) {
-        UHD_ASSERT_THROW(num_send_frames > 0);
         UHD_ASSERT_THROW(fc_cb);
         connect_sender(fc_link.get(), num_send_frames);
     }
@@ -302,14 +300,12 @@ send_io_if::sptr inline_io_service::make_send_client(send_link_if::sptr send_lin
     recv_callback_t recv_cb)
 {
     UHD_ASSERT_THROW(send_link);
-    UHD_ASSERT_THROW(num_send_frames > 0);
     UHD_ASSERT_THROW(send_cb);
     connect_sender(send_link.get(), num_send_frames);
     sptr io_srv  = shared_from_this();
     auto send_io = std::make_shared<inline_send_io>(
         io_srv, send_link, num_send_frames, send_cb, recv_link, num_recv_frames, recv_cb);
     if (recv_link) {
-        UHD_ASSERT_THROW(num_recv_frames > 0);
         UHD_ASSERT_THROW(recv_cb);
         connect_receiver(recv_link.get(), send_io.get(), num_recv_frames);
     }