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-rw-r--r--host/lib/usrp/e100/io_impl.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/host/lib/usrp/e100/io_impl.cpp b/host/lib/usrp/e100/io_impl.cpp
index e9608125f..332fe76ae 100644
--- a/host/lib/usrp/e100/io_impl.cpp
+++ b/host/lib/usrp/e100/io_impl.cpp
@@ -42,6 +42,8 @@ using namespace uhd;
using namespace uhd::usrp;
using namespace uhd::transport;
+static const size_t vrt_send_header_offset_words32 = 1;
+
/***********************************************************************
* io impl details (internal to this file)
* - pirate crew of 1
@@ -324,6 +326,7 @@ tx_streamer::sptr e100_impl::get_tx_stream(const uhd::stream_args_t &args_){
//calculate packet size
static const size_t hdr_size = 0
+ + vrt_send_header_offset_words32*sizeof(boost::uint32_t)
+ vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
+ sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
- sizeof(vrt::if_packet_info_t().sid) //no stream id ever used
@@ -338,7 +341,7 @@ tx_streamer::sptr e100_impl::get_tx_stream(const uhd::stream_args_t &args_){
//init some streamer stuff
my_streamer->resize(args.channels.size());
- my_streamer->set_vrt_packer(&vrt::if_hdr_pack_le);
+ my_streamer->set_vrt_packer(&vrt::if_hdr_pack_le, vrt_send_header_offset_words32);
//set the converter
uhd::convert::id_type id;