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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/usrp/e300 | |
| 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/usrp/e300')
| -rw-r--r-- | host/lib/usrp/e300/e300_impl.cpp | 5 | ||||
| -rw-r--r-- | host/lib/usrp/e300/e300_impl.hpp | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/host/lib/usrp/e300/e300_impl.cpp b/host/lib/usrp/e300/e300_impl.cpp index 59a8cec88..5a6376039 100644 --- a/host/lib/usrp/e300/e300_impl.cpp +++ b/host/lib/usrp/e300/e300_impl.cpp @@ -731,6 +731,11 @@ uhd::both_xports_t e300_impl::make_transport( return xports; } +size_t e300_impl::get_mtu(const size_t /*mb_index*/, const uhd::direction_t dir) { + return (dir == RX_DIRECTION) ? _data_xport_params.recv_frame_size : + _data_xport_params.send_frame_size; +} + void e300_impl::_update_clock_source(const std::string &source) { if (source != "internal") { diff --git a/host/lib/usrp/e300/e300_impl.hpp b/host/lib/usrp/e300/e300_impl.hpp index 2e919cf9b..0a6f153eb 100644 --- a/host/lib/usrp/e300/e300_impl.hpp +++ b/host/lib/usrp/e300/e300_impl.hpp @@ -166,6 +166,9 @@ private: // methods return uhd::ENDIANNESS_LITTLE; }; + //! get mtu + size_t get_mtu(const size_t, const uhd::direction_t); + /************************************************************************ * Helpers ***********************************************************************/ |