Hi Nick, Information on using DPDK can be found here: http://files.ettus.com/manual/page_dpdk.html
DPDK can be used with any example. Think of it as an accelerator for Ethernet transports if using Intel NICs. Regards, Michael On Thu, Feb 7, 2019 at 10:29 AM Nick Foster <bistrom...@gmail.com> wrote: > Great news! DPDK support is an interesting development. Is there any > documentation or examples which show this capability? > > Nick > > > On Thu, Feb 7, 2019 at 10:05 AM Michael West via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> The release candidate of UHD version 3.14.0.0 has been tagged and is >> available for testing. This API release introduces support for the N320 >> and N321 USRPs soon to be released (watch for the announcement on >> ettus.com!), a DPDK-based transport, and several other features and bug >> fixes. This release includes all bug fixes and enhancements in the >> 3.13.0.1, 3.13.0.2, and 3.13.1.0 maintenance releases. >> >> The tag for this release candidate: >> https://github.com/EttusResearch/uhd/releases/tag/v3.14.0.0-rc1 >> >> There have been 406 commits since the last API release (3.13.0.0) which >> can be viewed here: >> https://github.com/EttusResearch/uhd/compare/v3.13.0.0...v3.14.0.0-rc1 >> >> Please report any bugs found on the UHD issue tracker: >> http://github.com/EttusResearch/uhd/issues >> * Please do not use the issue tracker for help or support. >> >> Pull requests for direct code changes may be submitted to the UHD or FPGA >> repositories: >> http://github.com/EttusResearch/uhd/pulls >> http://github.com/EttusResearch/fpga/pulls >> >> CHANGELOG: >> ## 003.014.000.000 >> * N320: Add N320 and N321 >> * Test: Add Python API test >> * Device3: Move from packet-based to byte-based flow control >> * X300: Reduce default send_frame_size to 4000 over Ethernet >> * UHD: Release recv buffers earlier in rx_streamer >> * Device3: Constrain send_buff_size to input fifo size >> * X300: Change Ethernet buffering >> * MPMD: Parallelize broadcast-finding >> * Device: Parallelize device discovery >> * Docs: Fix Doxygen warnings >> * B100: Move fifo_ctrl_excelsior to b100 subdir >> * B100: Fix fifo_ctrl_excelsior not exiting >> * B100: Remove all Boostisms from fifo_ctrl_excelsior >> * B100: Demote some clocking-related log messages to trace >> * X300: Log git hash and compat number as debug message >> * N310: Modify AD9371 reset function to keep it in reset >> * N3xx: clocking API changes for transitioning clock and time sources >> * E320: bist: Fix ref_clock lock test implementation >> * UHD: Fix ADF400x driver for ref counter and charge pump mode >> * E320: bist: Add link_up test >> * MPM: Get list of temperatures from all thermal zones >> * E320: Add all 5 temp sensors, fan sensor and rssi sensors per channel >> * E320: Fix tx/rx atr - antenna and frequency settings >> * E320: Enable devtest for E320 >> * X300: Move defaults to their own header >> * UHD: Improve constrained_device_args_t >> * X300: Use constrained_args >> * X300: Enable clock_source and time_source device args >> * Test: Integrate Python API Tester into Devtest >> * N3xx: Bump max rev to G/6 >> * N3xx: Improve error messages for invalid clock/time settings >> * E320: images: Separate images package for Aurora image >> * B200: Remove superfluous fake lambda >> * B200: Add support for user regs >> * Docs: Add info on how to implement user regs on B200 >> * UHD API: Add multi_usrp::get_user_settings_iface() >> * N310: move init_rf_cal before JESD de/framer bringup >> * UHD: Remove usage of time_t (except when required) >> * NIRIO: Demote RPC client cancel/abort to TRACE >> * RFNoC: Convert SR_READBACK_REG_FIFOSIZE to bytes >> * Utils: Add Zip test to downloader >> * Utils: Factor wait_for_lo_lock() out of cal utils >> * DPDK: Add DPDK-based sockets-like library >> * MPMD: add option to enum rfnoc blocks from args >> * E320: Get RFNoC crossbar baseport from FPGA >> * N3xx: Get RFNoC crossbar baseport from FPGA >> * UHD: add default xport params to udp_zero_copy >> * MPM: add link_speed xport_info >> * MPMD: add link speed to xport udp >> * Device3: remove tx_hint[send_buff_size] >> * X300: remove default_buff_args properties >> * RFNoC: Add ability to enable/disable RX timestamp >> * RFNoC: add async message handler >> * Examples: add rfnoc_radio_loopback example >> * UHD: Update rx_frontend_gen3.v controls for 1/4-rate mixer >> * UHD API: Move definition of ALL_MBOARDS and ALL_CHANS constants to >> CPP file. >> * MPM: Add __mpm_device__ as usrp_hwd module variable >> * MPM: Add usrp_update_fs >> * UHD: Add traffic counter to null source sink >> * Examples: Add benchmark_streamer example >> * Tools: Add tool to analyze settling time of gain and freq changes >> * UHD API: Add multi_usrp::set_sync_source() API >> * UHD: Improve documentation for the UHD exception types >> * Examples: Add dual measurements to benchmark_streamer >> * MPM: Add i2c APIs for simple transfers >> * MPM: Add vector-based transfer function for i2c >> * UHD: Improve documentation for set_{time,clock,sync}_source >> * CMake: Bump CMake minimum version to 2.8.12 >> * MPM: Add variable configuration support to nijesdcore >> * MPM: Add eyescan utility to nijesdcore >> * MPM: Add PRBS-31 testing to nijesdcore >> * CMake: Change SOVERSION and VERSION for the library files >> * Test: Add graph impl test to device3_test >> * RFNoC: Changes to traffic counter register names >> * X300: Remove 120 MHz master_clock_rate option >> * MPM: Add convenience function to pull i2c bus from device tree >> * UHD: add .clang-format file >> * MPM: Open and close i2c file descriptor on every access >> * UHD: Add device arg to enable dual ethernet for tx >> * Test: Retrofit sph test to use new mock transport >> * X300: Set minimum master clock rate to 184.32 MHz >> * RFNoC: Fix replay example port args >> * RFNoC: Fix default SPP for replay >> * RFNoC: Add halt to replay API >> * UHD API: Add sync source to Python API >> * Examples: Clean up rfnoc_radio_loopback example >> * UHD: Improve compatibility of abs() calls >> * UHD: include <stdint.h> for int64_t for time_spec >> * USRP-2974: Add support for USRP-2974 >> * UHD API: Add support for Tx LO control to C API >> * E310: Fix initialization of antenna and frequency values >> * Test: Enable rx_samples_to_file in devtest for X300 >> * Examples: Add keyboard controls to rx_ascii_art_dft >> * Examples: Add benchmark_streamer support for multi-channel streamer >> * MPM: Multiprocessing instead of threading for claimer loop >> * MPM: Factor out user EEPROM code into own module >> * RFNoC: Fix late packet errors >> * X300: Factor our PID -> MB type and MB type -> product name mapping >> * X300: Remove usage of boost::bind >> * Docs: Add manual page on compat numbers >> * UHD: Updates to coding guidelines >> * Examples: Optimize benchmark_rate start time >> * Examples: Improve formatting and comments in tx_waveforms >> * Examples: Optimize tx_waveforms memory allocations >> * UHD: Fix MSVC warnings by changing a size_t to unsigned int or >> uint32_t >> * Test: Fix CMake `endif` warning for devtest >> * MPM: Add gpgga sensor function to GPSd iface >> * Test: Fix compiler warning about unused timestamp >> * X300: Fix compiler warnings related to type conversions >> * B200: Fix compiler warnings related to type conversions >> * Test: Add #include <thread> in system time test >> * Examples: change boost to std for time commands >> * UHD: Add potentially missing but sometimes inferred include for >> experts >> * UHD: Add default xport params to udp_wsa_zero_copy >> * Examples: Add LO Offset to rx_samples_to_file >> * Examples: update lo-offset naming in tx from file >> * Examples: Add lo-offset to tx_waveforms >> * UHD: Move device3 flow control functions to header for benchmark >> utility >> * Test: Add benchmark of streaming code paths >> * MPMD: Add API to set RPC timeout atomically >> * MPMD: Move timeout constants to header >> * MPMD: Use new RPC API with timeout >> * MPMD: Increase claim_rpc call timeout >> * Examples: Improved error message in tx_waveforms >> * UHD: Make sure BOOST_VERSION is always available >> * Docs: Add comments for TwinRX and MCR >> * DPDK: Add ARP responder, set MTU, and clean up API >> * DPDK: Add blocking recv calls to uhd-dpdk >> * DPDK: Add dpdk_zero_copy transport >> * Test: Add unit test for DPDK transport >> * Test: Add arguments to dpdk_test to control core mapping >> * DPDK: Move uhd-dpdk header to uhdlib >> * UHD: Make clang-format skip formatting for some data structures >> * UHD: Remove vim hints in headers >> * Examples: Move ascii_art_dft main function within include guard >> * UHD/MPM: Apply clang-format to all files >> * UHD: Add modified clang-format for headers >> * MPM: Add bridge mode support >> * RFNoC: Fix detection of outstanding acks by ctrl_iface >> * UHD: Replace uhd::math::log2 with std::log2 >> * UHD: Replace boost::*::{lcm,gcd}() with portable versions >> * UHD API: Change get_{tx/rx}_dc_offset_range default from ALL_CHANS >> to 0 >> * UHD: Revert to boost instead of std for sleep in some instances >> * UHD: Replace Boost macros with custom ones for endianness >> * MPMD: implement get_*x_hints >> * MPMD: honor user supplied send/recv_frame_size args >> * UHD: muxed_zero_copy_if fixes >> * Examples: Fix boundary condition in ascii_art_dft plotting >> * CMake: Extend list of additional Boost versions >> * Device3: Replace NULL with 0 for empty function pointers >> * RFNoC: Add some missing virtual destructors >> * Test: replace has_key by using 'in' >> * Test: Add universal_newlines to subprocess call in devtest >> * MPMD: Use 4096 bytes for frame size for liberio transport >> * DPDK: Add xport_mgr for dpdk_zero_copy >> * DPDK: Cover all paths to request TX offloads >> * Test: Fix up dpdk_test to use current APIs >> * MPM: Parameterize max UDP link allocation >> * UHD: Replace Boost lock & mutex with std variety for AD9361 code >> * CPack: Fix RPM generation >> * Utils: Add check for gdb_eeprom before accessing >> * RFNoC: Update FIFO XML definition >> * MPMD: Use init timeout for update_component >> * Docs: Add manual page for DPDK >> * Docs: Add information about what dpdk_zero_copy is doing >> * Tools: Make the UHD source gen a plugin for the phase alignment test >> * CMake: fix variable usage >> * RFNoC: Prevent unnecessary FC ACK packets >> * RFNoC: More graph traversal fixes >> * Device3: Remove redundant function call >> * RFNoC: Fix scaling of M and N values in DDC/DUC >> * X300: Fix tick and sample rate setting >> * RFNoC: Fix typos in legacy_compat >> * RFNoC: Limit number of control packets in flight >> * Device3: Fix flow control window and interval >> * E3xx: Increase spp limit for E3xx radio >> * E31x: Destruct RFNoC before loading idle image >> * N3xx: init peripherals before loading FPGA (to fix SFP0 init issues) >> * N3xx: Move Linux kernel to 4.15 >> * N3xx/E320: Prepend SDK filename with device name >> * N310: Fix sporadic power on failures (requires firmware update) >> >> ## 003.013.001.000 >> * E320: Fix front panel GPIO readback >> * E320: Fix master_clock_rate setting >> * E320: Print extra ouptut for ref_clock BIST >> * E320: Fix gps_locked type >> * E320: Fix return value of get_fpga_type() >> * N3xx: Enable setting clock and time sources at runtime >> * N3xx: Add ref_clock BIST >> * N3xx: Improve set_time_source() and set_clock_source() >> * N3xx: Add exception for init failure >> * N3xx: Remove HA, XA images packages >> * N3xx: Change init() procedure to reduce configuration time >> * N310: Add frequency bounds >> * N310: Fix RX antenna mapping >> * N310: Add log messages when re-initializing dboards >> * N310: Add skip_rfic argument to reduce time of BIST >> * N310: Add initialization of TX bandwidth >> * E310: Fix initialization of antenna and frequency values >> * E310: Type-cast fix for Boost >> * X300: Improve firmware compat error message >> * X300: Updated niusrprio driver >> * X300: Add recovery for duplicate IP addresses in EEPROM >> * X300: Prevent duplicate MAC and IP addresses from being programmed >> * X300: New mode to configure master clock rate >> * X300: Implement RFNoC get antenna functions >> * B2xx: Fix values of MASK_GPIO_SHDN_SW and GPIO_AUX_PWR_ON in firmware >> * B2xx: Revert changes to DSP core to fix scaling factor adjustment >> * B2xx: Restore asynchronous reset of AD936x >> (fixes LIBUSB_TRANSFER_OVERFLOW and unexpected sid errors) >> * TwinRX: enable ch1 lo amps if ch2 is using an external lo source >> * TwinRX: Correctly initialize antenna mapping on X300 >> * TwinRX: Revise ADF5356 frac2 register calculation to prevent drifting >> spurs >> * TwinRX: Fix initialization >> * TwinRX: Tuning improvements >> * TwinRX: Enable phase resync on ADF535x >> * TwinRX: Make routing to LO1 and LO2 mutually exclusive >> * BasicRX/LFRX: Fix real mode in rx_frontend_core_3000 >> * UHD: Define UHD_API as empty string when building static lib >> * UHD: Changed to 'all_matching' endpoint resolution for udp_simple >> transport >> * UHD: Add CMake flag for NEON SIMD >> * UHD: Fix usb_dummy_impl compilation in MSVC >> * UHD: Reconcile time_spec operators with boost concepts >> * UHD: Fix rounding in ddc/duc rate calculation >> * UHD: Increase MPMD RPC timeout when calling set_time_source() >> * UHD: Fix RX streamer SOB and EOB handling >> * UHD: Add UHD_SAFE_CALL to block_ctrl_base destructor >> * UHD: Change SOVERSION to ABI string and VERSION to full UHD version >> * UHD: Update cmake style to use lower case commands >> * UHD: Add SOURCE_DATE_EPOCH >> * UHD: Improve logic for UHD_IMAGES_DIR >> * UHD: Add RUNTIME_PYTHON_EXECUTABLE >> * UHD: Fix return value of get_rolloff() for filters >> * UHD: Properly register devtest >> * UHD: Fix log statement for Port number on RFNoC block >> * UHD: Use "MATCHES" instead of "STREQUAL" for "Clang" >> * UHD: Fix GPGGA string formatting for gpsd >> * Device3: Set default block control response SIDs >> * Device3: Fix block control flushing >> * RFNoC: Improved flushing mechanism in noc_shell and dma_fifo >> * RFNoC: Install missing dma_fifo_block_ctrl header >> * RFNoC: Replace some [] with .at() in radio_ctrl_impl >> * RFNoC: Fix graph traversal >> * MPM: Add Git hash, version to device info >> * MPM: Reset the RPC server upon reload >> * MPM: TDC: Update PDAC BIST and flatness test to use latest APIs >> * MPM: Fix handling of 0-valued dt-compat >> * MPM: Fix GPSD sensor names for N3xx and E320 >> * MPM: Add args to update_ref_clock_freq to properly support dynamic >> setting >> * of clock and time references >> * MPM: Fix Pylint warnings >> * MPM: Identify sysfs gpios more generically >> * MPM: Add lock_guard() function >> * MPM: Factor E320 and N3xx BIST code into common module >> * MPM: Add gpsd error handling >> * MPM: Add FPGA git hash to device info >> * MPMD: Increase RPC timeout during readng mb sensor >> * MPMD: Improve error message for compat number mismatches >> * Python API: Enable Python API on Windows >> * Python API: Change .dll to .pyd for Win32 >> * Python API: Fixing Boost.Python initializer visibility >> * Python API: Fix duration of benchmark rate >> * Python API: Add missing constructors of time_spec_t >> * Python API: Expose streamer timeouts >> * Python API: Tighten the scope of releasing the GIL >> * Python API: Add device_addr_t >> * Python API: Populate the tune_result_t binding >> * Utils: Many fixes and enhancements for uhd_images_downloader >> * Utils: Update query_gpsdo_sensors to work on E310 >> * Examples: Removed some legacy code patterns from RFNoC examples >> * Examples: Fix channel argument for rx_samples_to_file >> * Examples: Fix benchmark_rate MIMO synchronization >> * Examples: Add phase alignment example >> * Examples: Fix RX antenna not being applied in txrx_loopback_to_file >> * Test: Add more env vars, make Py3k compatible >> * Test: Add multi_usrp_test.py to devtest >> * Test: Clean up, refactor, and improve devtest >> * Test: Enable rx_samples_to_file in E320 devtest and N3xx devtest >> * Test: Reduce sample rate for E320 1G devtest >> * Test: Add unit test for eeprom_utils >> * Docs: Add clock_source and time_source to n3xx argument list and fix WR >> clock_source call >> * Docs: Minor tweaks to the Python API manual page >> * Docs: Add E320 test procedures >> * Docs: Added TwinRX page >> * Docs: Fix N210 MIMO Phase Alignment test command >> * Docs: Add E320 information >> * Docs: Improve sections on clock/time references >> * Docs: Add section on X300 motherboard clocking >> * Docs: Add more information on Salt for N3xx and E320 >> * Docs: Adjust E310 functional verification tests >> * Docs: Add documentation on GIL release >> * Debian: Update control files >> * Images: Add N3xx CPLD file to manifest >> >> ## 003.013.000.002 >> * N3xx: Fix issue where changing the clock/time source could result in >> clocks becoming unlocked >> * N3xx: Improve error messages for invalid clock/time settings >> * N3xx: Add support for Rev G mboard >> * MPM: Add function parameter to support holding AD9371 in reset >> * Docs: Add section on building fs/SD images for N3xx >> * Docs: Fix Doxygen warnings >> >> ## 003.013.000.001 >> * N3xx: Fix UIO usage in Aurora BIST >> * N3xx: Fix EEPROM parsing (for upcoming hardware) >> * UHD: Fix install path for Python API >> >> As always, we at Ettus Research would like to thank all of the UHD users >> in the open source SDR community. This release contains commits from users >> in the community that submitted pull requests against the UHD >> <https://github.com/EttusResearch/uhd> and FPGA >> <https://github.com/EttusResearch/fpga> repositories as well as many >> commits that are a direct result of issues reported back to us by users >> like you through the UHD <https://github.com/EttusResearch/uhd/issues> >> and FPGA <https://github.com/EttusResearch/fpga/issues> issue trackers, >> the USRP-users mailing list >> <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com>, >> and Ettus support <supp...@ettus.com>. You have all helped contribute >> to the continued improvement of UHD. Thank you! >> >> Best regards, >> Michael >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >
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