aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib
diff options
context:
space:
mode:
Diffstat (limited to 'host/lib')
-rw-r--r--host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.cpp18
-rw-r--r--host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.hpp2
2 files changed, 18 insertions, 2 deletions
diff --git a/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.cpp b/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.cpp
index 8f3014bc7..78751c94f 100644
--- a/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.cpp
+++ b/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.cpp
@@ -107,8 +107,22 @@ uhd::both_xports_t mpmd_xport_ctrl_liberio::make_transport(
<< "making (muxed) stream with num " << xports.recv_sid.get_dst();
xports.recv = _async_msg_dma_xport->make_stream(xports.recv_sid.get_dst());
} else {
- xports.recv =
- transport::liberio_zero_copy::make(tx_dev, rx_dev, default_buff_args);
+ // Create muxed transport in case of less DMA channels
+ if (xport_info["muxed"] == "True") {
+ if (not _data_dma_xport) {
+ _data_dma_xport =
+ make_muxed_liberio_xport(tx_dev, rx_dev, default_buff_args,
+ uhd::rfnoc::MAX_NUM_BLOCKS * uhd::rfnoc::MAX_NUM_PORTS);
+ }
+
+ UHD_LOGGER_TRACE("MPMD")
+ << "Making (muxed) stream with num " << xports.recv_sid.get_dst();
+ xports.recv = _data_dma_xport->make_stream(xports.recv_sid.get_dst());
+ }
+ else {
+ xports.recv =
+ transport::liberio_zero_copy::make(tx_dev, rx_dev, default_buff_args);
+ }
}
// Finish both_xports_t object and return:
diff --git a/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.hpp b/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.hpp
index 5f635e7e7..36f02fe46 100644
--- a/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.hpp
+++ b/host/lib/usrp/mpmd/mpmd_xport_ctrl_liberio.hpp
@@ -45,6 +45,8 @@ private:
//! Control transport for one liberio connection
uhd::transport::muxed_zero_copy_if::sptr _ctrl_dma_xport;
+ //! Data transport for one liberio connection
+ uhd::transport::muxed_zero_copy_if::sptr _data_dma_xport;
//! Control transport for one liberio connection
uhd::transport::muxed_zero_copy_if::sptr _async_msg_dma_xport;
};