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| author | Sugandha Gupta <sugandha.gupta@ettus.com> | 2019-01-25 17:36:26 -0800 |
|---|---|---|
| committer | michael-west <michael.west@ettus.com> | 2019-05-21 17:20:42 -0700 |
| commit | 2960e559515348dce83bfdbdd6ef39e551235045 (patch) | |
| tree | 1a603f4c28f23c5bccd298b9be57b92a5991defc /host/lib/rfnoc/source_block_ctrl_base.cpp | |
| parent | 41f732a4c8bb9df116a01958f0914708475097df (diff) | |
| download | uhd-2960e559515348dce83bfdbdd6ef39e551235045.tar.gz uhd-2960e559515348dce83bfdbdd6ef39e551235045.tar.bz2 uhd-2960e559515348dce83bfdbdd6ef39e551235045.zip | |
device3: Constraint send/recv_frame_size based on down/upstream MTU
We need to properly contraint the send/recv_frame_size based on the
minimum MTU of all the down/upstream blocks. This fixes the issue with
E310 tx/rx streaming as it has smaller MTU sizes than the other usrps.
Diffstat (limited to 'host/lib/rfnoc/source_block_ctrl_base.cpp')
| -rw-r--r-- | host/lib/rfnoc/source_block_ctrl_base.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/host/lib/rfnoc/source_block_ctrl_base.cpp b/host/lib/rfnoc/source_block_ctrl_base.cpp index 656ab26af..d06b6632d 100644 --- a/host/lib/rfnoc/source_block_ctrl_base.cpp +++ b/host/lib/rfnoc/source_block_ctrl_base.cpp @@ -143,6 +143,16 @@ void source_block_ctrl_base::configure_flow_control_out(const bool enable_fc_out sr_write(SR_FLOW_CTRL_EN, config, block_port); } +size_t source_block_ctrl_base::get_mtu(size_t block_port) const +{ + if (_tree->exists(_root_path / "mtu" / std::to_string(block_port))) { + return _tree->access<size_t>(_root_path / "mtu" / std::to_string(block_port)) + .get(); + } + return 0; +} + + /*********************************************************************** * Hooks **********************************************************************/ |