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| author | Michael West <michael.west@ettus.com> | 2017-11-16 11:59:45 -0800 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2018-07-25 15:34:03 -0700 |
| commit | cb9c97d643ac51279e61439c4e7caae9b1212c7d (patch) | |
| tree | c6f7ff98dae9b979a75a924aab3c843963d7fd0c /host/lib/rfnoc/graph_impl.cpp | |
| parent | 7ed7b207735fee5f7bd055472e591935b5f96cf5 (diff) | |
| download | uhd-cb9c97d643ac51279e61439c4e7caae9b1212c7d.tar.gz uhd-cb9c97d643ac51279e61439c4e7caae9b1212c7d.tar.bz2 uhd-cb9c97d643ac51279e61439c4e7caae9b1212c7d.zip | |
X300: Change Ethernet buffering
Ethernet buffering is now done so that most of the buffering is done in
the socket buffers and multiple frames are only used to support the
receive side offload of the socket I/O. Eliminates dropped packets at
high full duplex rates.
Diffstat (limited to 'host/lib/rfnoc/graph_impl.cpp')
| -rw-r--r-- | host/lib/rfnoc/graph_impl.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/host/lib/rfnoc/graph_impl.cpp b/host/lib/rfnoc/graph_impl.cpp index a2e0e64f4..d9e069993 100644 --- a/host/lib/rfnoc/graph_impl.cpp +++ b/host/lib/rfnoc/graph_impl.cpp @@ -139,11 +139,12 @@ void graph_impl::connect( src_block_port ); // On the same crossbar, use lots of FC packets - size_t bytes_per_response = std::ceil<size_t>(buf_size_bytes / uhd::rfnoc::DEFAULT_FC_XBAR_RESPONSE_FREQ); + size_t bytes_per_response = buf_size_bytes / uhd::rfnoc::DEFAULT_FC_XBAR_RESPONSE_FREQ; // Over the network, use less or we'd flood the transport if (sid.get_src_addr() != sid.get_dst_addr()) { - bytes_per_response = std::ceil<size_t>(buf_size_bytes / uhd::rfnoc::DEFAULT_FC_TX_RESPONSE_FREQ); + bytes_per_response = buf_size_bytes / uhd::rfnoc::DEFAULT_FC_TX_RESPONSE_FREQ; } + UHD_ASSERT_THROW(bytes_per_response != 0); dst->configure_flow_control_in( bytes_per_response, dst_block_port |