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authorMartin Braun <martin.braun@ettus.com>2017-12-22 09:45:24 -0800
committerMartin Braun <martin.braun@ettus.com>2017-12-22 10:45:51 -0800
commit4f948e2c8bf62ac7b8f0ba51d9efb33c897ecdc7 (patch)
tree98c0896cca67525fe8a33cd58c6b1c82c104f5a1 /host/lib/usrp
parentd4ff987508c14e46abcde5cc0d5e2389d9b03221 (diff)
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Move all license headers to SPDX format.
Diffstat (limited to 'host/lib/usrp')
-rw-r--r--host/lib/usrp/CMakeLists.txt13
-rw-r--r--host/lib/usrp/b100/CMakeLists.txt13
-rw-r--r--host/lib/usrp/b100/b100_impl.cpp13
-rw-r--r--host/lib/usrp/b100/b100_impl.hpp13
-rw-r--r--host/lib/usrp/b100/b100_regs.hpp13
-rw-r--r--host/lib/usrp/b100/clock_ctrl.cpp13
-rw-r--r--host/lib/usrp/b100/clock_ctrl.hpp13
-rw-r--r--host/lib/usrp/b100/codec_ctrl.cpp13
-rw-r--r--host/lib/usrp/b100/codec_ctrl.hpp13
-rw-r--r--host/lib/usrp/b100/dboard_iface.cpp13
-rw-r--r--host/lib/usrp/b100/io_impl.cpp13
-rw-r--r--host/lib/usrp/b100/usb_zero_copy_wrapper.cpp13
-rw-r--r--host/lib/usrp/b200/CMakeLists.txt13
-rw-r--r--host/lib/usrp/b200/b200_cores.cpp13
-rw-r--r--host/lib/usrp/b200/b200_cores.hpp13
-rw-r--r--host/lib/usrp/b200/b200_iface.cpp13
-rw-r--r--host/lib/usrp/b200/b200_iface.hpp13
-rw-r--r--host/lib/usrp/b200/b200_image_loader.cpp13
-rw-r--r--host/lib/usrp/b200/b200_impl.cpp13
-rw-r--r--host/lib/usrp/b200/b200_impl.hpp13
-rw-r--r--host/lib/usrp/b200/b200_io_impl.cpp13
-rw-r--r--host/lib/usrp/b200/b200_regs.hpp13
-rw-r--r--host/lib/usrp/b200/b200_uart.cpp13
-rw-r--r--host/lib/usrp/b200/b200_uart.hpp13
-rw-r--r--host/lib/usrp/common/CMakeLists.txt13
-rw-r--r--host/lib/usrp/common/ad9361_ctrl.cpp13
-rw-r--r--host/lib/usrp/common/ad9361_ctrl.hpp13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_client.h13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_device.cpp13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_device.h13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_filter_taps.h13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_gain_tables.h13
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_synth_lut.h13
-rw-r--r--host/lib/usrp/common/ad936x_manager.cpp13
-rw-r--r--host/lib/usrp/common/ad936x_manager.hpp13
-rw-r--r--host/lib/usrp/common/adf4001_ctrl.cpp13
-rw-r--r--host/lib/usrp/common/adf4001_ctrl.hpp13
-rw-r--r--host/lib/usrp/common/adf435x.cpp13
-rw-r--r--host/lib/usrp/common/adf435x.hpp13
-rw-r--r--host/lib/usrp/common/apply_corrections.cpp13
-rw-r--r--host/lib/usrp/common/apply_corrections.hpp13
-rw-r--r--host/lib/usrp/common/async_packet_handler.hpp13
-rw-r--r--host/lib/usrp/common/constrained_device_args.hpp13
-rw-r--r--host/lib/usrp/common/fifo_ctrl_excelsior.cpp13
-rw-r--r--host/lib/usrp/common/fifo_ctrl_excelsior.hpp13
-rw-r--r--host/lib/usrp/common/fx2_ctrl.cpp13
-rw-r--r--host/lib/usrp/common/fx2_ctrl.hpp13
-rw-r--r--host/lib/usrp/common/max287x.hpp13
-rw-r--r--host/lib/usrp/common/recv_packet_demuxer.cpp13
-rw-r--r--host/lib/usrp/common/recv_packet_demuxer.hpp13
-rw-r--r--host/lib/usrp/common/recv_packet_demuxer_3000.hpp13
-rw-r--r--host/lib/usrp/common/validate_subdev_spec.cpp13
-rw-r--r--host/lib/usrp/common/validate_subdev_spec.hpp13
-rw-r--r--host/lib/usrp/cores/CMakeLists.txt13
-rw-r--r--host/lib/usrp/cores/dma_fifo_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/dma_fifo_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/dsp_core_utils.cpp13
-rw-r--r--host/lib/usrp/cores/dsp_core_utils.hpp13
-rw-r--r--host/lib/usrp/cores/gpio_atr_3000.cpp13
-rw-r--r--host/lib/usrp/cores/gpio_atr_3000.hpp13
-rw-r--r--host/lib/usrp/cores/gpio_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/gpio_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_100.cpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_100.hpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_100_wb32.cpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_100_wb32.hpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/i2c_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/radio_ctrl_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/radio_ctrl_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/rx_frontend_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/rx_frontend_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/rx_frontend_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/rx_frontend_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/rx_vita_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/rx_vita_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/spi_core_100.cpp13
-rw-r--r--host/lib/usrp/cores/spi_core_100.hpp13
-rw-r--r--host/lib/usrp/cores/spi_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/spi_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/time64_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/time64_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/time_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/time_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/tx_frontend_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/tx_frontend_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/tx_vita_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/tx_vita_core_3000.hpp13
-rw-r--r--host/lib/usrp/cores/user_settings_core_200.cpp13
-rw-r--r--host/lib/usrp/cores/user_settings_core_200.hpp13
-rw-r--r--host/lib/usrp/cores/user_settings_core_3000.cpp13
-rw-r--r--host/lib/usrp/cores/user_settings_core_3000.hpp13
-rw-r--r--host/lib/usrp/dboard/CMakeLists.txt13
-rw-r--r--host/lib/usrp/dboard/db_basic_and_lf.cpp13
-rw-r--r--host/lib/usrp/dboard/db_cbx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_dbsrx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_dbsrx2.cpp13
-rw-r--r--host/lib/usrp/dboard/db_e3x0.cpp13
-rw-r--r--host/lib/usrp/dboard/db_rfx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_sbx_common.cpp13
-rw-r--r--host/lib/usrp/dboard/db_sbx_common.hpp13
-rw-r--r--host/lib/usrp/dboard/db_sbx_version3.cpp13
-rw-r--r--host/lib/usrp/dboard/db_sbx_version4.cpp13
-rw-r--r--host/lib/usrp/dboard/db_tvrx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_tvrx2.cpp13
-rw-r--r--host/lib/usrp/dboard/db_twinrx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_ubx.cpp13
-rw-r--r--host/lib/usrp/dboard/db_unknown.cpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_common.cpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_common.hpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_simple.cpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_version2.cpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_version3.cpp13
-rw-r--r--host/lib/usrp/dboard/db_wbx_version4.cpp13
-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_ctrl.hpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_experts.cpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_experts.hpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_gain_tables.cpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_gain_tables.hpp13
-rw-r--r--host/lib/usrp/dboard/twinrx/twinrx_io.hpp13
-rw-r--r--host/lib/usrp/dboard_base.cpp13
-rw-r--r--host/lib/usrp/dboard_ctor_args.hpp13
-rw-r--r--host/lib/usrp/dboard_eeprom.cpp13
-rw-r--r--host/lib/usrp/dboard_eeprom_c.cpp13
-rw-r--r--host/lib/usrp/dboard_id.cpp13
-rw-r--r--host/lib/usrp/dboard_iface.cpp13
-rw-r--r--host/lib/usrp/dboard_manager.cpp13
-rw-r--r--host/lib/usrp/device3/CMakeLists.txt13
-rw-r--r--host/lib/usrp/device3/device3_impl.cpp13
-rw-r--r--host/lib/usrp/device3/device3_impl.hpp13
-rw-r--r--host/lib/usrp/device3/device3_io_impl.cpp13
-rw-r--r--host/lib/usrp/e300/CMakeLists.txt13
-rw-r--r--host/lib/usrp/e300/e300_common.cpp13
-rw-r--r--host/lib/usrp/e300/e300_common.hpp13
-rw-r--r--host/lib/usrp/e300/e300_defaults.hpp13
-rw-r--r--host/lib/usrp/e300/e300_eeprom_manager.cpp13
-rw-r--r--host/lib/usrp/e300/e300_eeprom_manager.hpp13
-rw-r--r--host/lib/usrp/e300/e300_fifo_config.cpp13
-rw-r--r--host/lib/usrp/e300/e300_fifo_config.hpp13
-rw-r--r--host/lib/usrp/e300/e300_fpga_defs.hpp13
-rw-r--r--host/lib/usrp/e300/e300_global_regs.cpp13
-rw-r--r--host/lib/usrp/e300/e300_global_regs.hpp13
-rw-r--r--host/lib/usrp/e300/e300_i2c.cpp13
-rw-r--r--host/lib/usrp/e300/e300_i2c.hpp13
-rw-r--r--host/lib/usrp/e300/e300_impl.cpp13
-rw-r--r--host/lib/usrp/e300/e300_impl.hpp13
-rw-r--r--host/lib/usrp/e300/e300_io_impl.cpp13
-rw-r--r--host/lib/usrp/e300/e300_network.cpp13
-rw-r--r--host/lib/usrp/e300/e300_network.hpp13
-rw-r--r--host/lib/usrp/e300/e300_regs.hpp13
-rw-r--r--host/lib/usrp/e300/e300_remote_codec_ctrl.cpp13
-rw-r--r--host/lib/usrp/e300/e300_remote_codec_ctrl.hpp13
-rw-r--r--host/lib/usrp/e300/e300_sensor_manager.cpp13
-rw-r--r--host/lib/usrp/e300/e300_sensor_manager.hpp13
-rw-r--r--host/lib/usrp/e300/e300_spi.cpp13
-rw-r--r--host/lib/usrp/e300/e300_spi.hpp13
-rw-r--r--host/lib/usrp/e300/e300_sysfs_hooks.cpp13
-rw-r--r--host/lib/usrp/fe_connection.cpp13
-rw-r--r--host/lib/usrp/gps_ctrl.cpp13
-rw-r--r--host/lib/usrp/gpsd_iface.cpp13
-rw-r--r--host/lib/usrp/gpsd_iface.hpp13
-rw-r--r--host/lib/usrp/mboard_eeprom_c.cpp13
-rw-r--r--host/lib/usrp/multi_usrp.cpp13
-rw-r--r--host/lib/usrp/n230/CMakeLists.txt13
-rw-r--r--host/lib/usrp/n230/n230_clk_pps_ctrl.cpp13
-rw-r--r--host/lib/usrp/n230/n230_clk_pps_ctrl.hpp13
-rw-r--r--host/lib/usrp/n230/n230_cores.cpp13
-rw-r--r--host/lib/usrp/n230/n230_cores.hpp13
-rw-r--r--host/lib/usrp/n230/n230_defaults.h13
-rw-r--r--host/lib/usrp/n230/n230_device_args.hpp13
-rw-r--r--host/lib/usrp/n230/n230_eeprom.h13
-rw-r--r--host/lib/usrp/n230/n230_eeprom_manager.cpp13
-rw-r--r--host/lib/usrp/n230/n230_eeprom_manager.hpp13
-rw-r--r--host/lib/usrp/n230/n230_fpga_defs.h13
-rw-r--r--host/lib/usrp/n230/n230_frontend_ctrl.cpp13
-rw-r--r--host/lib/usrp/n230/n230_frontend_ctrl.hpp13
-rw-r--r--host/lib/usrp/n230/n230_fw_comm_protocol.h13
-rw-r--r--host/lib/usrp/n230/n230_fw_ctrl_iface.cpp13
-rw-r--r--host/lib/usrp/n230/n230_fw_ctrl_iface.hpp13
-rw-r--r--host/lib/usrp/n230/n230_fw_defs.h13
-rw-r--r--host/lib/usrp/n230/n230_fw_host_iface.h13
-rw-r--r--host/lib/usrp/n230/n230_image_loader.cpp13
-rw-r--r--host/lib/usrp/n230/n230_impl.cpp13
-rw-r--r--host/lib/usrp/n230/n230_impl.hpp13
-rw-r--r--host/lib/usrp/n230/n230_resource_manager.cpp13
-rw-r--r--host/lib/usrp/n230/n230_resource_manager.hpp13
-rw-r--r--host/lib/usrp/n230/n230_stream_manager.cpp13
-rw-r--r--host/lib/usrp/n230/n230_stream_manager.hpp13
-rw-r--r--host/lib/usrp/n230/n230_uart.cpp13
-rw-r--r--host/lib/usrp/n230/n230_uart.hpp13
-rw-r--r--host/lib/usrp/subdev_spec.cpp13
-rw-r--r--host/lib/usrp/subdev_spec_c.cpp13
-rw-r--r--host/lib/usrp/usrp1/CMakeLists.txt13
-rw-r--r--host/lib/usrp/usrp1/codec_ctrl.cpp13
-rw-r--r--host/lib/usrp/usrp1/codec_ctrl.hpp13
-rw-r--r--host/lib/usrp/usrp1/dboard_iface.cpp13
-rw-r--r--host/lib/usrp/usrp1/io_impl.cpp13
-rw-r--r--host/lib/usrp/usrp1/soft_time_ctrl.cpp13
-rw-r--r--host/lib/usrp/usrp1/soft_time_ctrl.hpp13
-rw-r--r--host/lib/usrp/usrp1/usrp1_calc_mux.hpp13
-rw-r--r--host/lib/usrp/usrp1/usrp1_iface.cpp13
-rw-r--r--host/lib/usrp/usrp1/usrp1_iface.hpp13
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.cpp13
-rw-r--r--host/lib/usrp/usrp1/usrp1_impl.hpp13
-rw-r--r--host/lib/usrp/usrp2/CMakeLists.txt13
-rw-r--r--host/lib/usrp/usrp2/clock_ctrl.cpp13
-rw-r--r--host/lib/usrp/usrp2/clock_ctrl.hpp13
-rw-r--r--host/lib/usrp/usrp2/codec_ctrl.cpp13
-rw-r--r--host/lib/usrp/usrp2/codec_ctrl.hpp13
-rw-r--r--host/lib/usrp/usrp2/dboard_iface.cpp13
-rw-r--r--host/lib/usrp/usrp2/fw_common.h13
-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp13
-rw-r--r--host/lib/usrp/usrp2/n200_image_loader.cpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_clk_regs.hpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_iface.cpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_iface.hpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.cpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.hpp13
-rw-r--r--host/lib/usrp/usrp2/usrp2_regs.hpp13
-rw-r--r--host/lib/usrp/usrp_c.cpp13
-rw-r--r--host/lib/usrp/x300/CMakeLists.txt13
-rw-r--r--host/lib/usrp/x300/x300_adc_ctrl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_adc_ctrl.hpp13
-rw-r--r--host/lib/usrp/x300/x300_clock_ctrl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_clock_ctrl.hpp13
-rw-r--r--host/lib/usrp/x300/x300_dac_ctrl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_dac_ctrl.hpp13
-rw-r--r--host/lib/usrp/x300/x300_dboard_iface.cpp13
-rw-r--r--host/lib/usrp/x300/x300_dboard_iface.hpp13
-rw-r--r--host/lib/usrp/x300/x300_fw_common.h13
-rw-r--r--host/lib/usrp/x300/x300_fw_ctrl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_fw_uart.cpp13
-rw-r--r--host/lib/usrp/x300/x300_image_loader.cpp13
-rw-r--r--host/lib/usrp/x300/x300_impl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_impl.hpp13
-rw-r--r--host/lib/usrp/x300/x300_io_impl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_mb_eeprom_iface.cpp13
-rw-r--r--host/lib/usrp/x300/x300_mb_eeprom_iface.hpp13
-rw-r--r--host/lib/usrp/x300/x300_radio_ctrl_impl.cpp13
-rw-r--r--host/lib/usrp/x300/x300_radio_ctrl_impl.hpp13
-rw-r--r--host/lib/usrp/x300/x300_regs.hpp13
252 files changed, 252 insertions, 3024 deletions
diff --git a/host/lib/usrp/CMakeLists.txt b/host/lib/usrp/CMakeLists.txt
index ccd3acfd6..c3a1e6533 100644
--- a/host/lib/usrp/CMakeLists.txt
+++ b/host/lib/usrp/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2010-2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/b100/CMakeLists.txt b/host/lib/usrp/b100/CMakeLists.txt
index 93177fce3..41af2bb00 100644
--- a/host/lib/usrp/b100/CMakeLists.txt
+++ b/host/lib/usrp/b100/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2011-2013,2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp
index 110c5ff87..65377e1d7 100644
--- a/host/lib/usrp/b100/b100_impl.cpp
+++ b/host/lib/usrp/b100/b100_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "apply_corrections.hpp"
diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp
index 4faf69b64..731dc25e9 100644
--- a/host/lib/usrp/b100/b100_impl.hpp
+++ b/host/lib/usrp/b100/b100_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B100_IMPL_HPP
diff --git a/host/lib/usrp/b100/b100_regs.hpp b/host/lib/usrp/b100/b100_regs.hpp
index 1498613f5..a3885567e 100644
--- a/host/lib/usrp/b100/b100_regs.hpp
+++ b/host/lib/usrp/b100/b100_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B100_REGS_HPP
diff --git a/host/lib/usrp/b100/clock_ctrl.cpp b/host/lib/usrp/b100/clock_ctrl.cpp
index 010a0a6f8..4720b31f3 100644
--- a/host/lib/usrp/b100/clock_ctrl.cpp
+++ b/host/lib/usrp/b100/clock_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "clock_ctrl.hpp"
diff --git a/host/lib/usrp/b100/clock_ctrl.hpp b/host/lib/usrp/b100/clock_ctrl.hpp
index 2ec4583d3..f86ee71e8 100644
--- a/host/lib/usrp/b100/clock_ctrl.hpp
+++ b/host/lib/usrp/b100/clock_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B100_CLOCK_CTRL_HPP
diff --git a/host/lib/usrp/b100/codec_ctrl.cpp b/host/lib/usrp/b100/codec_ctrl.cpp
index 01fd51f52..9ef17de57 100644
--- a/host/lib/usrp/b100/codec_ctrl.cpp
+++ b/host/lib/usrp/b100/codec_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "codec_ctrl.hpp"
diff --git a/host/lib/usrp/b100/codec_ctrl.hpp b/host/lib/usrp/b100/codec_ctrl.hpp
index 78e4ea827..e8288cd3b 100644
--- a/host/lib/usrp/b100/codec_ctrl.hpp
+++ b/host/lib/usrp/b100/codec_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B100_CODEC_CTRL_HPP
diff --git a/host/lib/usrp/b100/dboard_iface.cpp b/host/lib/usrp/b100/dboard_iface.cpp
index 9b90d676a..9d221a928 100644
--- a/host/lib/usrp/b100/dboard_iface.cpp
+++ b/host/lib/usrp/b100/dboard_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2015,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "gpio_core_200.hpp"
diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp
index 7cccc7752..545021576 100644
--- a/host/lib/usrp/b100/io_impl.cpp
+++ b/host/lib/usrp/b100/io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "validate_subdev_spec.hpp"
diff --git a/host/lib/usrp/b100/usb_zero_copy_wrapper.cpp b/host/lib/usrp/b100/usb_zero_copy_wrapper.cpp
index ea3e9f87e..2c93887b2 100644
--- a/host/lib/usrp/b100/usb_zero_copy_wrapper.cpp
+++ b/host/lib/usrp/b100/usb_zero_copy_wrapper.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/transport/usb_zero_copy.hpp>
diff --git a/host/lib/usrp/b200/CMakeLists.txt b/host/lib/usrp/b200/CMakeLists.txt
index f5c6e28b2..ebeb57c13 100644
--- a/host/lib/usrp/b200/CMakeLists.txt
+++ b/host/lib/usrp/b200/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2012-2013,2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/b200/b200_cores.cpp b/host/lib/usrp/b200/b200_cores.cpp
index dcfd41825..888468400 100644
--- a/host/lib/usrp/b200/b200_cores.cpp
+++ b/host/lib/usrp/b200/b200_cores.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "b200_cores.hpp"
diff --git a/host/lib/usrp/b200/b200_cores.hpp b/host/lib/usrp/b200/b200_cores.hpp
index 54f5e5926..fc2d52565 100644
--- a/host/lib/usrp/b200/b200_cores.hpp
+++ b/host/lib/usrp/b200/b200_cores.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_CORES_HPP
diff --git a/host/lib/usrp/b200/b200_iface.cpp b/host/lib/usrp/b200/b200_iface.cpp
index 3d969dfa6..6fd30d935 100644
--- a/host/lib/usrp/b200/b200_iface.cpp
+++ b/host/lib/usrp/b200/b200_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "b200_iface.hpp"
diff --git a/host/lib/usrp/b200/b200_iface.hpp b/host/lib/usrp/b200/b200_iface.hpp
index 0cddbf801..76da1eb7f 100644
--- a/host/lib/usrp/b200/b200_iface.hpp
+++ b/host/lib/usrp/b200/b200_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_IFACE_HPP
diff --git a/host/lib/usrp/b200/b200_image_loader.cpp b/host/lib/usrp/b200/b200_image_loader.cpp
index 4d0f8d937..bb94b8357 100644
--- a/host/lib/usrp/b200/b200_image_loader.cpp
+++ b/host/lib/usrp/b200/b200_image_loader.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <boost/assign.hpp>
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 134cba208..6996beae8 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "b200_impl.hpp"
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index a8288df0f..726f26b3b 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_IMPL_HPP
diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp
index 7366b06f5..bbb488dff 100644
--- a/host/lib/usrp/b200/b200_io_impl.cpp
+++ b/host/lib/usrp/b200/b200_io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "b200_regs.hpp"
diff --git a/host/lib/usrp/b200/b200_regs.hpp b/host/lib/usrp/b200/b200_regs.hpp
index 038a59d11..6e9176deb 100644
--- a/host/lib/usrp/b200/b200_regs.hpp
+++ b/host/lib/usrp/b200/b200_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_REGS_HPP
diff --git a/host/lib/usrp/b200/b200_uart.cpp b/host/lib/usrp/b200/b200_uart.cpp
index 143600c51..a036da4e2 100644
--- a/host/lib/usrp/b200/b200_uart.cpp
+++ b/host/lib/usrp/b200/b200_uart.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "b200_uart.hpp"
diff --git a/host/lib/usrp/b200/b200_uart.hpp b/host/lib/usrp/b200/b200_uart.hpp
index 3d4ece240..79021a607 100644
--- a/host/lib/usrp/b200/b200_uart.hpp
+++ b/host/lib/usrp/b200/b200_uart.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_UART_HPP
diff --git a/host/lib/usrp/common/CMakeLists.txt b/host/lib/usrp/common/CMakeLists.txt
index d0c6daa52..e5960415e 100644
--- a/host/lib/usrp/common/CMakeLists.txt
+++ b/host/lib/usrp/common/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2011-2013,2016 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/common/ad9361_ctrl.cpp b/host/lib/usrp/common/ad9361_ctrl.cpp
index a1c158eae..a93c199a3 100644
--- a/host/lib/usrp/common/ad9361_ctrl.cpp
+++ b/host/lib/usrp/common/ad9361_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "ad9361_ctrl.hpp"
diff --git a/host/lib/usrp/common/ad9361_ctrl.hpp b/host/lib/usrp/common/ad9361_ctrl.hpp
index 5a10e4b5f..8dbb909f7 100644
--- a/host/lib/usrp/common/ad9361_ctrl.hpp
+++ b/host/lib/usrp/common/ad9361_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_CTRL_HPP
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_client.h b/host/lib/usrp/common/ad9361_driver/ad9361_client.h
index 4fea53521..196782d8d 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_client.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_client.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_CLIENT_H
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
index bed13fd05..ebde82b17 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "ad9361_filter_taps.h"
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h
index f3d24d6b9..99f4b25a3 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_DEVICE_H
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_filter_taps.h b/host/lib/usrp/common/ad9361_driver/ad9361_filter_taps.h
index 927d9e2a7..9ee538bce 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_filter_taps.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_filter_taps.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_FILTER_TAPS_HPP
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_gain_tables.h b/host/lib/usrp/common/ad9361_driver/ad9361_gain_tables.h
index 99794697a..a8206359a 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_gain_tables.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_gain_tables.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_GAIN_TABLES_HPP
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_synth_lut.h b/host/lib/usrp/common/ad9361_driver/ad9361_synth_lut.h
index 8155aae7c..497a9013f 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_synth_lut.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_synth_lut.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_SYNTH_LUT_HPP
diff --git a/host/lib/usrp/common/ad936x_manager.cpp b/host/lib/usrp/common/ad936x_manager.cpp
index 503678554..b82865fe1 100644
--- a/host/lib/usrp/common/ad936x_manager.cpp
+++ b/host/lib/usrp/common/ad936x_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "ad936x_manager.hpp"
diff --git a/host/lib/usrp/common/ad936x_manager.hpp b/host/lib/usrp/common/ad936x_manager.hpp
index 99464d0af..c1190abfd 100644
--- a/host/lib/usrp/common/ad936x_manager.hpp
+++ b/host/lib/usrp/common/ad936x_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_AD9361_MANAGER_HPP
diff --git a/host/lib/usrp/common/adf4001_ctrl.cpp b/host/lib/usrp/common/adf4001_ctrl.cpp
index b824824a4..b7361d64e 100644
--- a/host/lib/usrp/common/adf4001_ctrl.cpp
+++ b/host/lib/usrp/common/adf4001_ctrl.cpp
@@ -6,18 +6,7 @@
//
// Re-used and re-licensed with permission.
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "adf4001_ctrl.hpp"
diff --git a/host/lib/usrp/common/adf4001_ctrl.hpp b/host/lib/usrp/common/adf4001_ctrl.hpp
index c6813f43c..bd2d4528d 100644
--- a/host/lib/usrp/common/adf4001_ctrl.hpp
+++ b/host/lib/usrp/common/adf4001_ctrl.hpp
@@ -6,18 +6,7 @@
//
// Re-used and re-licensed with permission.
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_ADF4001_HPP
diff --git a/host/lib/usrp/common/adf435x.cpp b/host/lib/usrp/common/adf435x.cpp
index f1ba6ad05..9c8dbabd8 100644
--- a/host/lib/usrp/common/adf435x.cpp
+++ b/host/lib/usrp/common/adf435x.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "adf435x.hpp"
diff --git a/host/lib/usrp/common/adf435x.hpp b/host/lib/usrp/common/adf435x.hpp
index 9c2eb2958..1b4ee6425 100644
--- a/host/lib/usrp/common/adf435x.hpp
+++ b/host/lib/usrp/common/adf435x.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_ADF435X_HPP
diff --git a/host/lib/usrp/common/apply_corrections.cpp b/host/lib/usrp/common/apply_corrections.cpp
index 32c7e3c45..47d33a36a 100644
--- a/host/lib/usrp/common/apply_corrections.cpp
+++ b/host/lib/usrp/common/apply_corrections.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "apply_corrections.hpp"
diff --git a/host/lib/usrp/common/apply_corrections.hpp b/host/lib/usrp/common/apply_corrections.hpp
index 0ab5377f3..3e1b58252 100644
--- a/host/lib/usrp/common/apply_corrections.hpp
+++ b/host/lib/usrp/common/apply_corrections.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_APPLY_CORRECTIONS_HPP
diff --git a/host/lib/usrp/common/async_packet_handler.hpp b/host/lib/usrp/common/async_packet_handler.hpp
index 01594be0b..a9f32a6ed 100644
--- a/host/lib/usrp/common/async_packet_handler.hpp
+++ b/host/lib/usrp/common/async_packet_handler.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_ASYNC_PACKET_HANDLER_HPP
diff --git a/host/lib/usrp/common/constrained_device_args.hpp b/host/lib/usrp/common/constrained_device_args.hpp
index 42632d0dd..8bf1d2a55 100644
--- a/host/lib/usrp/common/constrained_device_args.hpp
+++ b/host/lib/usrp/common/constrained_device_args.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_CONSTRAINED_DEV_ARGS_HPP
diff --git a/host/lib/usrp/common/fifo_ctrl_excelsior.cpp b/host/lib/usrp/common/fifo_ctrl_excelsior.cpp
index 0a93f44e8..e1d2d9bb6 100644
--- a/host/lib/usrp/common/fifo_ctrl_excelsior.cpp
+++ b/host/lib/usrp/common/fifo_ctrl_excelsior.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "fifo_ctrl_excelsior.hpp"
diff --git a/host/lib/usrp/common/fifo_ctrl_excelsior.hpp b/host/lib/usrp/common/fifo_ctrl_excelsior.hpp
index 759e2ccc9..7c9eefa54 100644
--- a/host/lib/usrp/common/fifo_ctrl_excelsior.hpp
+++ b/host/lib/usrp/common/fifo_ctrl_excelsior.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_B200_CTRL_HPP
diff --git a/host/lib/usrp/common/fx2_ctrl.cpp b/host/lib/usrp/common/fx2_ctrl.cpp
index 9fa774851..73c238828 100644
--- a/host/lib/usrp/common/fx2_ctrl.cpp
+++ b/host/lib/usrp/common/fx2_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "fx2_ctrl.hpp"
diff --git a/host/lib/usrp/common/fx2_ctrl.hpp b/host/lib/usrp/common/fx2_ctrl.hpp
index 48cbe4124..ae84d38f6 100644
--- a/host/lib/usrp/common/fx2_ctrl.hpp
+++ b/host/lib/usrp/common/fx2_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_FX2_CTRL_HPP
diff --git a/host/lib/usrp/common/max287x.hpp b/host/lib/usrp/common/max287x.hpp
index c3c4bf18c..d88ce1e61 100644
--- a/host/lib/usrp/common/max287x.hpp
+++ b/host/lib/usrp/common/max287x.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef MAX287X_HPP_INCLUDED
diff --git a/host/lib/usrp/common/recv_packet_demuxer.cpp b/host/lib/usrp/common/recv_packet_demuxer.cpp
index 2a4c4d705..70719314d 100644
--- a/host/lib/usrp/common/recv_packet_demuxer.cpp
+++ b/host/lib/usrp/common/recv_packet_demuxer.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "recv_packet_demuxer.hpp"
diff --git a/host/lib/usrp/common/recv_packet_demuxer.hpp b/host/lib/usrp/common/recv_packet_demuxer.hpp
index fc9b005a5..42ffb55d9 100644
--- a/host/lib/usrp/common/recv_packet_demuxer.hpp
+++ b/host/lib/usrp/common/recv_packet_demuxer.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_RECV_PACKET_DEMUXER_HPP
diff --git a/host/lib/usrp/common/recv_packet_demuxer_3000.hpp b/host/lib/usrp/common/recv_packet_demuxer_3000.hpp
index 5305c8ddd..ef6273e84 100644
--- a/host/lib/usrp/common/recv_packet_demuxer_3000.hpp
+++ b/host/lib/usrp/common/recv_packet_demuxer_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013,2017 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_RECV_PACKET_DEMUXER_3000_HPP
diff --git a/host/lib/usrp/common/validate_subdev_spec.cpp b/host/lib/usrp/common/validate_subdev_spec.cpp
index 76e61221e..16442a053 100644
--- a/host/lib/usrp/common/validate_subdev_spec.cpp
+++ b/host/lib/usrp/common/validate_subdev_spec.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "validate_subdev_spec.hpp"
diff --git a/host/lib/usrp/common/validate_subdev_spec.hpp b/host/lib/usrp/common/validate_subdev_spec.hpp
index 7d9e2c309..2d833e6b6 100644
--- a/host/lib/usrp/common/validate_subdev_spec.hpp
+++ b/host/lib/usrp/common/validate_subdev_spec.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_COMMON_VALIDATE_SUBDEV_SPEC_HPP
diff --git a/host/lib/usrp/cores/CMakeLists.txt b/host/lib/usrp/cores/CMakeLists.txt
index 1e16dd39e..cba0ba5f3 100644
--- a/host/lib/usrp/cores/CMakeLists.txt
+++ b/host/lib/usrp/cores/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2011-2013 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/cores/dma_fifo_core_3000.cpp b/host/lib/usrp/cores/dma_fifo_core_3000.cpp
index b80ce62d8..6558271fa 100644
--- a/host/lib/usrp/cores/dma_fifo_core_3000.cpp
+++ b/host/lib/usrp/cores/dma_fifo_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "dma_fifo_core_3000.hpp"
diff --git a/host/lib/usrp/cores/dma_fifo_core_3000.hpp b/host/lib/usrp/cores/dma_fifo_core_3000.hpp
index 55a126f76..62a32622a 100644
--- a/host/lib/usrp/cores/dma_fifo_core_3000.hpp
+++ b/host/lib/usrp/cores/dma_fifo_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_DMA_FIFO_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/dsp_core_utils.cpp b/host/lib/usrp/cores/dsp_core_utils.cpp
index cf022f767..1ffc86417 100644
--- a/host/lib/usrp/cores/dsp_core_utils.cpp
+++ b/host/lib/usrp/cores/dsp_core_utils.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "dsp_core_utils.hpp"
diff --git a/host/lib/usrp/cores/dsp_core_utils.hpp b/host/lib/usrp/cores/dsp_core_utils.hpp
index d5d43f236..e0e40ea96 100644
--- a/host/lib/usrp/cores/dsp_core_utils.hpp
+++ b/host/lib/usrp/cores/dsp_core_utils.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_DSP_CORE_UTILS_HPP
diff --git a/host/lib/usrp/cores/gpio_atr_3000.cpp b/host/lib/usrp/cores/gpio_atr_3000.cpp
index 4b141e2ab..a2e31fa47 100644
--- a/host/lib/usrp/cores/gpio_atr_3000.cpp
+++ b/host/lib/usrp/cores/gpio_atr_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "gpio_atr_3000.hpp"
diff --git a/host/lib/usrp/cores/gpio_atr_3000.hpp b/host/lib/usrp/cores/gpio_atr_3000.hpp
index dfeff112b..7b88e35af 100644
--- a/host/lib/usrp/cores/gpio_atr_3000.hpp
+++ b/host/lib/usrp/cores/gpio_atr_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_GPIO_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/gpio_core_200.cpp b/host/lib/usrp/cores/gpio_core_200.cpp
index 3bce8e078..d935a9163 100644
--- a/host/lib/usrp/cores/gpio_core_200.cpp
+++ b/host/lib/usrp/cores/gpio_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "gpio_core_200.hpp"
diff --git a/host/lib/usrp/cores/gpio_core_200.hpp b/host/lib/usrp/cores/gpio_core_200.hpp
index 95362de1b..aba67a556 100644
--- a/host/lib/usrp/cores/gpio_core_200.hpp
+++ b/host/lib/usrp/cores/gpio_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_GPIO_CORE_200_HPP
diff --git a/host/lib/usrp/cores/i2c_core_100.cpp b/host/lib/usrp/cores/i2c_core_100.cpp
index e68dc2ea6..2585e4a64 100644
--- a/host/lib/usrp/cores/i2c_core_100.cpp
+++ b/host/lib/usrp/cores/i2c_core_100.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "i2c_core_100.hpp"
diff --git a/host/lib/usrp/cores/i2c_core_100.hpp b/host/lib/usrp/cores/i2c_core_100.hpp
index 40079e79a..42e37d7da 100644
--- a/host/lib/usrp/cores/i2c_core_100.hpp
+++ b/host/lib/usrp/cores/i2c_core_100.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_I2C_CORE_100_HPP
diff --git a/host/lib/usrp/cores/i2c_core_100_wb32.cpp b/host/lib/usrp/cores/i2c_core_100_wb32.cpp
index 8e03a8c3c..d7fc5c558 100644
--- a/host/lib/usrp/cores/i2c_core_100_wb32.cpp
+++ b/host/lib/usrp/cores/i2c_core_100_wb32.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "i2c_core_100_wb32.hpp"
diff --git a/host/lib/usrp/cores/i2c_core_100_wb32.hpp b/host/lib/usrp/cores/i2c_core_100_wb32.hpp
index 04fe21c68..ec6bfaaaf 100644
--- a/host/lib/usrp/cores/i2c_core_100_wb32.hpp
+++ b/host/lib/usrp/cores/i2c_core_100_wb32.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_I2C_CORE_100_WB32_HPP
diff --git a/host/lib/usrp/cores/i2c_core_200.cpp b/host/lib/usrp/cores/i2c_core_200.cpp
index 7b28573e9..5fcd228e5 100644
--- a/host/lib/usrp/cores/i2c_core_200.cpp
+++ b/host/lib/usrp/cores/i2c_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "i2c_core_200.hpp"
diff --git a/host/lib/usrp/cores/i2c_core_200.hpp b/host/lib/usrp/cores/i2c_core_200.hpp
index 6bb06efa6..32e14f74e 100644
--- a/host/lib/usrp/cores/i2c_core_200.hpp
+++ b/host/lib/usrp/cores/i2c_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_I2C_CORE_200_HPP
diff --git a/host/lib/usrp/cores/radio_ctrl_core_3000.cpp b/host/lib/usrp/cores/radio_ctrl_core_3000.cpp
index 512a860e0..81ee46448 100644
--- a/host/lib/usrp/cores/radio_ctrl_core_3000.cpp
+++ b/host/lib/usrp/cores/radio_ctrl_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "radio_ctrl_core_3000.hpp"
diff --git a/host/lib/usrp/cores/radio_ctrl_core_3000.hpp b/host/lib/usrp/cores/radio_ctrl_core_3000.hpp
index 3685ac1a1..2d176f0d8 100644
--- a/host/lib/usrp/cores/radio_ctrl_core_3000.hpp
+++ b/host/lib/usrp/cores/radio_ctrl_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_RADIO_CTRL_3000_HPP
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.cpp b/host/lib/usrp/cores/rx_dsp_core_200.cpp
index 465a3b913..7b8af21a0 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "rx_dsp_core_200.hpp"
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.hpp b/host/lib/usrp/cores/rx_dsp_core_200.hpp
index a565ffebd..d641007c6 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.hpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_RX_DSP_CORE_200_HPP
diff --git a/host/lib/usrp/cores/rx_dsp_core_3000.cpp b/host/lib/usrp/cores/rx_dsp_core_3000.cpp
index 45e4c6f49..a4abd2bc5 100644
--- a/host/lib/usrp/cores/rx_dsp_core_3000.cpp
+++ b/host/lib/usrp/cores/rx_dsp_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "rx_dsp_core_3000.hpp"
diff --git a/host/lib/usrp/cores/rx_dsp_core_3000.hpp b/host/lib/usrp/cores/rx_dsp_core_3000.hpp
index 41b328357..6833916d9 100644
--- a/host/lib/usrp/cores/rx_dsp_core_3000.hpp
+++ b/host/lib/usrp/cores/rx_dsp_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_RX_DSP_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/rx_frontend_core_200.cpp b/host/lib/usrp/cores/rx_frontend_core_200.cpp
index 1ecc3e420..cb7ea0a8c 100644
--- a/host/lib/usrp/cores/rx_frontend_core_200.cpp
+++ b/host/lib/usrp/cores/rx_frontend_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "rx_frontend_core_200.hpp"
diff --git a/host/lib/usrp/cores/rx_frontend_core_200.hpp b/host/lib/usrp/cores/rx_frontend_core_200.hpp
index 32ce77e00..fa9511671 100644
--- a/host/lib/usrp/cores/rx_frontend_core_200.hpp
+++ b/host/lib/usrp/cores/rx_frontend_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TX_FRONTEND_CORE_200_HPP
diff --git a/host/lib/usrp/cores/rx_frontend_core_3000.cpp b/host/lib/usrp/cores/rx_frontend_core_3000.cpp
index e7d25eb8c..d01ec07d1 100644
--- a/host/lib/usrp/cores/rx_frontend_core_3000.cpp
+++ b/host/lib/usrp/cores/rx_frontend_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "rx_frontend_core_3000.hpp"
diff --git a/host/lib/usrp/cores/rx_frontend_core_3000.hpp b/host/lib/usrp/cores/rx_frontend_core_3000.hpp
index baa58331e..ea202ffb0 100644
--- a/host/lib/usrp/cores/rx_frontend_core_3000.hpp
+++ b/host/lib/usrp/cores/rx_frontend_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TX_FRONTEND_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/rx_vita_core_3000.cpp b/host/lib/usrp/cores/rx_vita_core_3000.cpp
index e10913a22..c9ee038a7 100644
--- a/host/lib/usrp/cores/rx_vita_core_3000.cpp
+++ b/host/lib/usrp/cores/rx_vita_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "rx_vita_core_3000.hpp"
diff --git a/host/lib/usrp/cores/rx_vita_core_3000.hpp b/host/lib/usrp/cores/rx_vita_core_3000.hpp
index 94e901bf4..88abecc5d 100644
--- a/host/lib/usrp/cores/rx_vita_core_3000.hpp
+++ b/host/lib/usrp/cores/rx_vita_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_RX_VITA_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/spi_core_100.cpp b/host/lib/usrp/cores/spi_core_100.cpp
index 4d61821b4..3e2ec63f1 100644
--- a/host/lib/usrp/cores/spi_core_100.cpp
+++ b/host/lib/usrp/cores/spi_core_100.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "spi_core_100.hpp"
diff --git a/host/lib/usrp/cores/spi_core_100.hpp b/host/lib/usrp/cores/spi_core_100.hpp
index 63bf94a67..36e136466 100644
--- a/host/lib/usrp/cores/spi_core_100.hpp
+++ b/host/lib/usrp/cores/spi_core_100.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_SPI_CORE_100_HPP
diff --git a/host/lib/usrp/cores/spi_core_3000.cpp b/host/lib/usrp/cores/spi_core_3000.cpp
index 2abbac317..21e1ae585 100644
--- a/host/lib/usrp/cores/spi_core_3000.cpp
+++ b/host/lib/usrp/cores/spi_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "spi_core_3000.hpp"
diff --git a/host/lib/usrp/cores/spi_core_3000.hpp b/host/lib/usrp/cores/spi_core_3000.hpp
index 8d5177196..15b3ef10d 100644
--- a/host/lib/usrp/cores/spi_core_3000.hpp
+++ b/host/lib/usrp/cores/spi_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_SPI_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/time64_core_200.cpp b/host/lib/usrp/cores/time64_core_200.cpp
index b0138400d..5a75ad2df 100644
--- a/host/lib/usrp/cores/time64_core_200.cpp
+++ b/host/lib/usrp/cores/time64_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "time64_core_200.hpp"
diff --git a/host/lib/usrp/cores/time64_core_200.hpp b/host/lib/usrp/cores/time64_core_200.hpp
index 7e30f0abc..5055abef7 100644
--- a/host/lib/usrp/cores/time64_core_200.hpp
+++ b/host/lib/usrp/cores/time64_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TIME64_CORE_200_HPP
diff --git a/host/lib/usrp/cores/time_core_3000.cpp b/host/lib/usrp/cores/time_core_3000.cpp
index 296923756..509ab7a6c 100644
--- a/host/lib/usrp/cores/time_core_3000.cpp
+++ b/host/lib/usrp/cores/time_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "time_core_3000.hpp"
diff --git a/host/lib/usrp/cores/time_core_3000.hpp b/host/lib/usrp/cores/time_core_3000.hpp
index 7dde4e797..3e4acda89 100644
--- a/host/lib/usrp/cores/time_core_3000.hpp
+++ b/host/lib/usrp/cores/time_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TIME_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/tx_dsp_core_200.cpp b/host/lib/usrp/cores/tx_dsp_core_200.cpp
index f1bf560dc..e3c1ddecd 100644
--- a/host/lib/usrp/cores/tx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/tx_dsp_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "tx_dsp_core_200.hpp"
diff --git a/host/lib/usrp/cores/tx_dsp_core_200.hpp b/host/lib/usrp/cores/tx_dsp_core_200.hpp
index 02faad587..22c490de2 100644
--- a/host/lib/usrp/cores/tx_dsp_core_200.hpp
+++ b/host/lib/usrp/cores/tx_dsp_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TX_DSP_CORE_200_HPP
diff --git a/host/lib/usrp/cores/tx_dsp_core_3000.cpp b/host/lib/usrp/cores/tx_dsp_core_3000.cpp
index c30e8dfc1..66ad24a83 100644
--- a/host/lib/usrp/cores/tx_dsp_core_3000.cpp
+++ b/host/lib/usrp/cores/tx_dsp_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "tx_dsp_core_3000.hpp"
diff --git a/host/lib/usrp/cores/tx_dsp_core_3000.hpp b/host/lib/usrp/cores/tx_dsp_core_3000.hpp
index fbc43add6..25477e5e7 100644
--- a/host/lib/usrp/cores/tx_dsp_core_3000.hpp
+++ b/host/lib/usrp/cores/tx_dsp_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TX_DSP_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/tx_frontend_core_200.cpp b/host/lib/usrp/cores/tx_frontend_core_200.cpp
index 241f98d07..ec2a88bc0 100644
--- a/host/lib/usrp/cores/tx_frontend_core_200.cpp
+++ b/host/lib/usrp/cores/tx_frontend_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "tx_frontend_core_200.hpp"
diff --git a/host/lib/usrp/cores/tx_frontend_core_200.hpp b/host/lib/usrp/cores/tx_frontend_core_200.hpp
index 912256329..ea8c61cb0 100644
--- a/host/lib/usrp/cores/tx_frontend_core_200.hpp
+++ b/host/lib/usrp/cores/tx_frontend_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_RX_FRONTEND_CORE_200_HPP
diff --git a/host/lib/usrp/cores/tx_vita_core_3000.cpp b/host/lib/usrp/cores/tx_vita_core_3000.cpp
index c76b384d9..d6b4f92b2 100644
--- a/host/lib/usrp/cores/tx_vita_core_3000.cpp
+++ b/host/lib/usrp/cores/tx_vita_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "tx_vita_core_3000.hpp"
diff --git a/host/lib/usrp/cores/tx_vita_core_3000.hpp b/host/lib/usrp/cores/tx_vita_core_3000.hpp
index bd0f20ba4..13b227da3 100644
--- a/host/lib/usrp/cores/tx_vita_core_3000.hpp
+++ b/host/lib/usrp/cores/tx_vita_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_TX_VITA_CORE_3000_HPP
diff --git a/host/lib/usrp/cores/user_settings_core_200.cpp b/host/lib/usrp/cores/user_settings_core_200.cpp
index 99f7e00e1..031985f9a 100644
--- a/host/lib/usrp/cores/user_settings_core_200.cpp
+++ b/host/lib/usrp/cores/user_settings_core_200.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "user_settings_core_200.hpp"
diff --git a/host/lib/usrp/cores/user_settings_core_200.hpp b/host/lib/usrp/cores/user_settings_core_200.hpp
index 9e985c23b..cc7a7004a 100644
--- a/host/lib/usrp/cores/user_settings_core_200.hpp
+++ b/host/lib/usrp/cores/user_settings_core_200.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_USER_SETTINGS_CORE_200_HPP
diff --git a/host/lib/usrp/cores/user_settings_core_3000.cpp b/host/lib/usrp/cores/user_settings_core_3000.cpp
index 22d27cfbb..5a800a236 100644
--- a/host/lib/usrp/cores/user_settings_core_3000.cpp
+++ b/host/lib/usrp/cores/user_settings_core_3000.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "user_settings_core_3000.hpp"
diff --git a/host/lib/usrp/cores/user_settings_core_3000.hpp b/host/lib/usrp/cores/user_settings_core_3000.hpp
index 6891b9e81..0e5f00b6d 100644
--- a/host/lib/usrp/cores/user_settings_core_3000.hpp
+++ b/host/lib/usrp/cores/user_settings_core_3000.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_USER_SETTINGS_CORE_3000_HPP
diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt
index 183496734..70d9342ef 100644
--- a/host/lib/usrp/dboard/CMakeLists.txt
+++ b/host/lib/usrp/dboard/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2010-2011 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/dboard/db_basic_and_lf.cpp b/host/lib/usrp/dboard/db_basic_and_lf.cpp
index a3d9fb316..eb2f92dfe 100644
--- a/host/lib/usrp/dboard/db_basic_and_lf.cpp
+++ b/host/lib/usrp/dboard/db_basic_and_lf.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/types/dict.hpp>
diff --git a/host/lib/usrp/dboard/db_cbx.cpp b/host/lib/usrp/dboard/db_cbx.cpp
index cc98205e9..7fb8e4769 100644
--- a/host/lib/usrp/dboard/db_cbx.cpp
+++ b/host/lib/usrp/dboard/db_cbx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_sbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp
index ecfeb5308..0d5442ffd 100644
--- a/host/lib/usrp/dboard/db_dbsrx.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// No RX IO Pins Used
diff --git a/host/lib/usrp/dboard/db_dbsrx2.cpp b/host/lib/usrp/dboard/db_dbsrx2.cpp
index 8cc209218..edec9e73e 100644
--- a/host/lib/usrp/dboard/db_dbsrx2.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx2.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// No RX IO Pins Used
diff --git a/host/lib/usrp/dboard/db_e3x0.cpp b/host/lib/usrp/dboard/db_e3x0.cpp
index c7cc52d73..6537c618b 100644
--- a/host/lib/usrp/dboard/db_e3x0.cpp
+++ b/host/lib/usrp/dboard/db_e3x0.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/utils/static.hpp>
diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp
index e8ceb7d49..1d7a439ad 100644
--- a/host/lib/usrp/dboard/db_rfx.cpp
+++ b/host/lib/usrp/dboard/db_rfx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// IO Pin functions
diff --git a/host/lib/usrp/dboard/db_sbx_common.cpp b/host/lib/usrp/dboard/db_sbx_common.cpp
index 42c080155..71e7e4864 100644
--- a/host/lib/usrp/dboard/db_sbx_common.cpp
+++ b/host/lib/usrp/dboard/db_sbx_common.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_sbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_sbx_common.hpp b/host/lib/usrp/dboard/db_sbx_common.hpp
index 8f305a7c4..ab83ea06f 100644
--- a/host/lib/usrp/dboard/db_sbx_common.hpp
+++ b/host/lib/usrp/dboard/db_sbx_common.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/types/device_addr.hpp>
diff --git a/host/lib/usrp/dboard/db_sbx_version3.cpp b/host/lib/usrp/dboard/db_sbx_version3.cpp
index f35c09946..40c9cf7a2 100644
--- a/host/lib/usrp/dboard/db_sbx_version3.cpp
+++ b/host/lib/usrp/dboard/db_sbx_version3.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
diff --git a/host/lib/usrp/dboard/db_sbx_version4.cpp b/host/lib/usrp/dboard/db_sbx_version4.cpp
index 746de780b..5df243ea0 100644
--- a/host/lib/usrp/dboard/db_sbx_version4.cpp
+++ b/host/lib/usrp/dboard/db_sbx_version4.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp
index bae047bbd..2cef30158 100644
--- a/host/lib/usrp/dboard/db_tvrx.cpp
+++ b/host/lib/usrp/dboard/db_tvrx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// No RX IO Pins Used
diff --git a/host/lib/usrp/dboard/db_tvrx2.cpp b/host/lib/usrp/dboard/db_tvrx2.cpp
index 2b5524069..aa4d3590e 100644
--- a/host/lib/usrp/dboard/db_tvrx2.cpp
+++ b/host/lib/usrp/dboard/db_tvrx2.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010,2012-2014,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// Common IO Pins
diff --git a/host/lib/usrp/dboard/db_twinrx.cpp b/host/lib/usrp/dboard/db_twinrx.cpp
index 254bb0344..d324ca105 100644
--- a/host/lib/usrp/dboard/db_twinrx.cpp
+++ b/host/lib/usrp/dboard/db_twinrx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-15 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "twinrx/twinrx_experts.hpp"
diff --git a/host/lib/usrp/dboard/db_ubx.cpp b/host/lib/usrp/dboard/db_ubx.cpp
index a144f1c75..474c78dec 100644
--- a/host/lib/usrp/dboard/db_ubx.cpp
+++ b/host/lib/usrp/dboard/db_ubx.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-17 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
/***********************************************************************
diff --git a/host/lib/usrp/dboard/db_unknown.cpp b/host/lib/usrp/dboard/db_unknown.cpp
index 1a63c9233..41b5248d5 100644
--- a/host/lib/usrp/dboard/db_unknown.cpp
+++ b/host/lib/usrp/dboard/db_unknown.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/types/ranges.hpp>
diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp
index 1f665b7e4..9584778d5 100644
--- a/host/lib/usrp/dboard/db_wbx_common.cpp
+++ b/host/lib/usrp/dboard/db_wbx_common.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_wbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_wbx_common.hpp b/host/lib/usrp/dboard/db_wbx_common.hpp
index a6b2ca852..4b9c834f5 100644
--- a/host/lib/usrp/dboard/db_wbx_common.hpp
+++ b/host/lib/usrp/dboard/db_wbx_common.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011,2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_DBOARD_DB_WBX_COMMON_HPP
diff --git a/host/lib/usrp/dboard/db_wbx_simple.cpp b/host/lib/usrp/dboard/db_wbx_simple.cpp
index 062e1294b..d2cf983fa 100644
--- a/host/lib/usrp/dboard/db_wbx_simple.cpp
+++ b/host/lib/usrp/dboard/db_wbx_simple.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// Antenna constants
diff --git a/host/lib/usrp/dboard/db_wbx_version2.cpp b/host/lib/usrp/dboard/db_wbx_version2.cpp
index d50ae481b..56073846a 100644
--- a/host/lib/usrp/dboard/db_wbx_version2.cpp
+++ b/host/lib/usrp/dboard/db_wbx_version2.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_wbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_wbx_version3.cpp b/host/lib/usrp/dboard/db_wbx_version3.cpp
index 1863dcb44..c6d8615c7 100644
--- a/host/lib/usrp/dboard/db_wbx_version3.cpp
+++ b/host/lib/usrp/dboard/db_wbx_version3.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_wbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_wbx_version4.cpp b/host/lib/usrp/dboard/db_wbx_version4.cpp
index 9b31baf89..1e51b713e 100644
--- a/host/lib/usrp/dboard/db_wbx_version4.cpp
+++ b/host/lib/usrp/dboard/db_wbx_version4.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "db_wbx_common.hpp"
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index fe6eca07b..5d3b7ceaa 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// TX IO Pins
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_ctrl.hpp b/host/lib/usrp/dboard/twinrx/twinrx_ctrl.hpp
index 866a7c54d..d634722e4 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_ctrl.hpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_DBOARD_TWINRX_CTRL_HPP
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_experts.cpp b/host/lib/usrp/dboard/twinrx/twinrx_experts.cpp
index c6a2d42c0..ad785a670 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_experts.cpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_experts.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "twinrx_experts.hpp"
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_experts.hpp b/host/lib/usrp/dboard/twinrx/twinrx_experts.hpp
index 7b85137e1..92d4a9ca0 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_experts.hpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_experts.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_DBOARD_TWINRX_EXPERTS_HPP
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.cpp b/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.cpp
index 783ded8cc..03ea4cdef 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.cpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "twinrx_gain_tables.hpp"
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.hpp b/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.hpp
index 8ebab4243..59d61f917 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.hpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_gain_tables.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_DBOARD_TWINRX_GAIN_TABLES_HPP
diff --git a/host/lib/usrp/dboard/twinrx/twinrx_io.hpp b/host/lib/usrp/dboard/twinrx/twinrx_io.hpp
index 4fa5a22d5..6939a5a49 100644
--- a/host/lib/usrp/dboard/twinrx/twinrx_io.hpp
+++ b/host/lib/usrp/dboard/twinrx/twinrx_io.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_DBOARD_TWINRX_IO_HPP
diff --git a/host/lib/usrp/dboard_base.cpp b/host/lib/usrp/dboard_base.cpp
index bacb2a5a1..a68c03f52 100644
--- a/host/lib/usrp/dboard_base.cpp
+++ b/host/lib/usrp/dboard_base.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011,2017 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "dboard_ctor_args.hpp"
diff --git a/host/lib/usrp/dboard_ctor_args.hpp b/host/lib/usrp/dboard_ctor_args.hpp
index db26193cc..e5750c42a 100644
--- a/host/lib/usrp/dboard_ctor_args.hpp
+++ b/host/lib/usrp/dboard_ctor_args.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010,2017 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_DBOARD_CTOR_ARGS_HPP
diff --git a/host/lib/usrp/dboard_eeprom.cpp b/host/lib/usrp/dboard_eeprom.cpp
index bff9f7a15..8b038f2ac 100644
--- a/host/lib/usrp/dboard_eeprom.cpp
+++ b/host/lib/usrp/dboard_eeprom.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/types/byte_vector.hpp>
diff --git a/host/lib/usrp/dboard_eeprom_c.cpp b/host/lib/usrp/dboard_eeprom_c.cpp
index 36a858d9c..410c3bc56 100644
--- a/host/lib/usrp/dboard_eeprom_c.cpp
+++ b/host/lib/usrp/dboard_eeprom_c.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/dboard_eeprom.h>
diff --git a/host/lib/usrp/dboard_id.cpp b/host/lib/usrp/dboard_id.cpp
index b4d458c5f..23306d627 100644
--- a/host/lib/usrp/dboard_id.cpp
+++ b/host/lib/usrp/dboard_id.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/dboard_id.hpp>
diff --git a/host/lib/usrp/dboard_iface.cpp b/host/lib/usrp/dboard_iface.cpp
index 2a04095e8..dd55ca74d 100644
--- a/host/lib/usrp/dboard_iface.cpp
+++ b/host/lib/usrp/dboard_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/dboard_iface.hpp>
diff --git a/host/lib/usrp/dboard_manager.cpp b/host/lib/usrp/dboard_manager.cpp
index 48e31d11c..09892331f 100644
--- a/host/lib/usrp/dboard_manager.cpp
+++ b/host/lib/usrp/dboard_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011,2017 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "dboard_ctor_args.hpp"
diff --git a/host/lib/usrp/device3/CMakeLists.txt b/host/lib/usrp/device3/CMakeLists.txt
index 83f01a2e7..dfa677b5a 100644
--- a/host/lib/usrp/device3/CMakeLists.txt
+++ b/host/lib/usrp/device3/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2014 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/device3/device3_impl.cpp b/host/lib/usrp/device3/device3_impl.cpp
index 35faf601f..de192ded9 100644
--- a/host/lib/usrp/device3/device3_impl.cpp
+++ b/host/lib/usrp/device3/device3_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "device3_impl.hpp"
diff --git a/host/lib/usrp/device3/device3_impl.hpp b/host/lib/usrp/device3/device3_impl.hpp
index 196d1fd4e..08bc7f091 100644
--- a/host/lib/usrp/device3/device3_impl.hpp
+++ b/host/lib/usrp/device3/device3_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// Declares the device3_impl class which is a layer between device3 and
diff --git a/host/lib/usrp/device3/device3_io_impl.cpp b/host/lib/usrp/device3/device3_io_impl.cpp
index 9795afae5..5646d9b9c 100644
--- a/host/lib/usrp/device3/device3_io_impl.cpp
+++ b/host/lib/usrp/device3/device3_io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
// Provides streaming-related functions which are used by device3 objects.
diff --git a/host/lib/usrp/e300/CMakeLists.txt b/host/lib/usrp/e300/CMakeLists.txt
index 68c3520e4..cad4d3a9f 100644
--- a/host/lib/usrp/e300/CMakeLists.txt
+++ b/host/lib/usrp/e300/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2013-2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/e300/e300_common.cpp b/host/lib/usrp/e300/e300_common.cpp
index 61da3a2a2..a1b2b193f 100644
--- a/host/lib/usrp/e300/e300_common.cpp
+++ b/host/lib/usrp/e300/e300_common.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/image_loader.hpp>
#include <uhd/utils/log.hpp>
diff --git a/host/lib/usrp/e300/e300_common.hpp b/host/lib/usrp/e300/e300_common.hpp
index c0cb9e2fd..8aae352b1 100644
--- a/host/lib/usrp/e300/e300_common.hpp
+++ b/host/lib/usrp/e300/e300_common.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_COMMON_HPP
diff --git a/host/lib/usrp/e300/e300_defaults.hpp b/host/lib/usrp/e300/e300_defaults.hpp
index cc810c0df..de34db3db 100644
--- a/host/lib/usrp/e300/e300_defaults.hpp
+++ b/host/lib/usrp/e300/e300_defaults.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_DEFAULTS_HPP
diff --git a/host/lib/usrp/e300/e300_eeprom_manager.cpp b/host/lib/usrp/e300/e300_eeprom_manager.cpp
index 9db9a2ba5..5917cc977 100644
--- a/host/lib/usrp/e300/e300_eeprom_manager.cpp
+++ b/host/lib/usrp/e300/e300_eeprom_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_eeprom_manager.hpp"
diff --git a/host/lib/usrp/e300/e300_eeprom_manager.hpp b/host/lib/usrp/e300/e300_eeprom_manager.hpp
index 14acfba26..50bf1b973 100644
--- a/host/lib/usrp/e300/e300_eeprom_manager.hpp
+++ b/host/lib/usrp/e300/e300_eeprom_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_EEPROM_MANAGER_HPP
diff --git a/host/lib/usrp/e300/e300_fifo_config.cpp b/host/lib/usrp/e300/e300_fifo_config.cpp
index 89162a048..aec22fa51 100644
--- a/host/lib/usrp/e300/e300_fifo_config.cpp
+++ b/host/lib/usrp/e300/e300_fifo_config.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2017 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifdef E300_NATIVE
diff --git a/host/lib/usrp/e300/e300_fifo_config.hpp b/host/lib/usrp/e300/e300_fifo_config.hpp
index 967f451ca..6f8daca99 100644
--- a/host/lib/usrp/e300/e300_fifo_config.hpp
+++ b/host/lib/usrp/e300/e300_fifo_config.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_FIFO_CONFIG_HPP
diff --git a/host/lib/usrp/e300/e300_fpga_defs.hpp b/host/lib/usrp/e300/e300_fpga_defs.hpp
index af54c0a9a..abee413ea 100644
--- a/host/lib/usrp/e300/e300_fpga_defs.hpp
+++ b/host/lib/usrp/e300/e300_fpga_defs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_FPGA_DEFS_HPP
diff --git a/host/lib/usrp/e300/e300_global_regs.cpp b/host/lib/usrp/e300/e300_global_regs.cpp
index bfd166e67..c090660dd 100644
--- a/host/lib/usrp/e300/e300_global_regs.cpp
+++ b/host/lib/usrp/e300/e300_global_regs.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_global_regs.hpp"
diff --git a/host/lib/usrp/e300/e300_global_regs.hpp b/host/lib/usrp/e300/e300_global_regs.hpp
index c56cff298..410a8464f 100644
--- a/host/lib/usrp/e300/e300_global_regs.hpp
+++ b/host/lib/usrp/e300/e300_global_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_GLOBAL_REGS_HPP
diff --git a/host/lib/usrp/e300/e300_i2c.cpp b/host/lib/usrp/e300/e300_i2c.cpp
index b3e872aff..2e054262e 100644
--- a/host/lib/usrp/e300/e300_i2c.cpp
+++ b/host/lib/usrp/e300/e300_i2c.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/exception.hpp>
diff --git a/host/lib/usrp/e300/e300_i2c.hpp b/host/lib/usrp/e300/e300_i2c.hpp
index 1c5e06bba..993a63623 100644
--- a/host/lib/usrp/e300/e300_i2c.hpp
+++ b/host/lib/usrp/e300/e300_i2c.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_I2C_HPP
diff --git a/host/lib/usrp/e300/e300_impl.cpp b/host/lib/usrp/e300/e300_impl.cpp
index 7e99e2f70..a5a4bfb8c 100644
--- a/host/lib/usrp/e300/e300_impl.cpp
+++ b/host/lib/usrp/e300/e300_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_impl.hpp"
diff --git a/host/lib/usrp/e300/e300_impl.hpp b/host/lib/usrp/e300/e300_impl.hpp
index cc2e39e23..3abb07173 100644
--- a/host/lib/usrp/e300/e300_impl.hpp
+++ b/host/lib/usrp/e300/e300_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_IMPL_HPP
diff --git a/host/lib/usrp/e300/e300_io_impl.cpp b/host/lib/usrp/e300/e300_io_impl.cpp
index 4490afa21..0791ee656 100644
--- a/host/lib/usrp/e300/e300_io_impl.cpp
+++ b/host/lib/usrp/e300/e300_io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_regs.hpp"
diff --git a/host/lib/usrp/e300/e300_network.cpp b/host/lib/usrp/e300/e300_network.cpp
index fb085cdfc..25864ccc4 100644
--- a/host/lib/usrp/e300/e300_network.cpp
+++ b/host/lib/usrp/e300/e300_network.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_network.hpp"
diff --git a/host/lib/usrp/e300/e300_network.hpp b/host/lib/usrp/e300/e300_network.hpp
index 5a9df0ca7..64670003a 100644
--- a/host/lib/usrp/e300/e300_network.hpp
+++ b/host/lib/usrp/e300/e300_network.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_NETWORK_HPP
diff --git a/host/lib/usrp/e300/e300_regs.hpp b/host/lib/usrp/e300/e300_regs.hpp
index 74e45df00..1ea3373f7 100644
--- a/host/lib/usrp/e300/e300_regs.hpp
+++ b/host/lib/usrp/e300/e300_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_REGS_HPP
diff --git a/host/lib/usrp/e300/e300_remote_codec_ctrl.cpp b/host/lib/usrp/e300/e300_remote_codec_ctrl.cpp
index d970d7221..38c607c79 100644
--- a/host/lib/usrp/e300/e300_remote_codec_ctrl.cpp
+++ b/host/lib/usrp/e300/e300_remote_codec_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_remote_codec_ctrl.hpp"
diff --git a/host/lib/usrp/e300/e300_remote_codec_ctrl.hpp b/host/lib/usrp/e300/e300_remote_codec_ctrl.hpp
index 9453a6b39..1f2ce62db 100644
--- a/host/lib/usrp/e300/e300_remote_codec_ctrl.hpp
+++ b/host/lib/usrp/e300/e300_remote_codec_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_REMOTE_CODEC_CTRL_HPP
diff --git a/host/lib/usrp/e300/e300_sensor_manager.cpp b/host/lib/usrp/e300/e300_sensor_manager.cpp
index 52f888799..9adc4b0cc 100644
--- a/host/lib/usrp/e300/e300_sensor_manager.cpp
+++ b/host/lib/usrp/e300/e300_sensor_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "e300_sensor_manager.hpp"
diff --git a/host/lib/usrp/e300/e300_sensor_manager.hpp b/host/lib/usrp/e300/e300_sensor_manager.hpp
index c2d31bff7..4a1937586 100644
--- a/host/lib/usrp/e300/e300_sensor_manager.hpp
+++ b/host/lib/usrp/e300/e300_sensor_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <boost/noncopyable.hpp>
diff --git a/host/lib/usrp/e300/e300_spi.cpp b/host/lib/usrp/e300/e300_spi.cpp
index 906b32474..c1ccf37a2 100644
--- a/host/lib/usrp/e300/e300_spi.cpp
+++ b/host/lib/usrp/e300/e300_spi.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/config.hpp>
diff --git a/host/lib/usrp/e300/e300_spi.hpp b/host/lib/usrp/e300/e300_spi.hpp
index 67e990aaa..7407e2751 100644
--- a/host/lib/usrp/e300/e300_spi.hpp
+++ b/host/lib/usrp/e300/e300_spi.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_E300_SPI_HPP
diff --git a/host/lib/usrp/e300/e300_sysfs_hooks.cpp b/host/lib/usrp/e300/e300_sysfs_hooks.cpp
index 08562f7d7..08bdd4e56 100644
--- a/host/lib/usrp/e300/e300_sysfs_hooks.cpp
+++ b/host/lib/usrp/e300/e300_sysfs_hooks.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifdef E300_NATIVE
diff --git a/host/lib/usrp/fe_connection.cpp b/host/lib/usrp/fe_connection.cpp
index 071f5ecf2..8ab39fed7 100644
--- a/host/lib/usrp/fe_connection.cpp
+++ b/host/lib/usrp/fe_connection.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/fe_connection.hpp>
diff --git a/host/lib/usrp/gps_ctrl.cpp b/host/lib/usrp/gps_ctrl.cpp
index a5d1748fe..9db5020d0 100644
--- a/host/lib/usrp/gps_ctrl.cpp
+++ b/host/lib/usrp/gps_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011,2014-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/gps_ctrl.hpp>
diff --git a/host/lib/usrp/gpsd_iface.cpp b/host/lib/usrp/gpsd_iface.cpp
index 1955a4121..5f21f13a7 100644
--- a/host/lib/usrp/gpsd_iface.cpp
+++ b/host/lib/usrp/gpsd_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <cmath>
diff --git a/host/lib/usrp/gpsd_iface.hpp b/host/lib/usrp/gpsd_iface.hpp
index ad8ebb92a..d1b98ec0a 100644
--- a/host/lib/usrp/gpsd_iface.hpp
+++ b/host/lib/usrp/gpsd_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_GPSD_IFACE_HPP
diff --git a/host/lib/usrp/mboard_eeprom_c.cpp b/host/lib/usrp/mboard_eeprom_c.cpp
index 8d5c069b9..d0c84d2cb 100644
--- a/host/lib/usrp/mboard_eeprom_c.cpp
+++ b/host/lib/usrp/mboard_eeprom_c.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/mboard_eeprom.h>
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index d7d925f3c..57f7cc8f6 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/property_tree.hpp>
diff --git a/host/lib/usrp/n230/CMakeLists.txt b/host/lib/usrp/n230/CMakeLists.txt
index 8bed1f26d..2c10cd872 100644
--- a/host/lib/usrp/n230/CMakeLists.txt
+++ b/host/lib/usrp/n230/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2013 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp b/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp
index 372325fbe..6ada98d5b 100644
--- a/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp
+++ b/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_clk_pps_ctrl.hpp"
diff --git a/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp b/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp
index 3e0a21e04..940e8e318 100644
--- a/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp
+++ b/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_CLK_PPS_CTRL_HPP
diff --git a/host/lib/usrp/n230/n230_cores.cpp b/host/lib/usrp/n230/n230_cores.cpp
index 26e69e14d..98b45518d 100644
--- a/host/lib/usrp/n230/n230_cores.cpp
+++ b/host/lib/usrp/n230/n230_cores.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_cores.hpp"
diff --git a/host/lib/usrp/n230/n230_cores.hpp b/host/lib/usrp/n230/n230_cores.hpp
index db92658f1..832ace329 100644
--- a/host/lib/usrp/n230/n230_cores.hpp
+++ b/host/lib/usrp/n230/n230_cores.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_CORES_HPP
diff --git a/host/lib/usrp/n230/n230_defaults.h b/host/lib/usrp/n230/n230_defaults.h
index a25978585..4c8a9bbc5 100644
--- a/host/lib/usrp/n230/n230_defaults.h
+++ b/host/lib/usrp/n230/n230_defaults.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_DEFAULTS_H
diff --git a/host/lib/usrp/n230/n230_device_args.hpp b/host/lib/usrp/n230/n230_device_args.hpp
index 014a6cd14..de326a309 100644
--- a/host/lib/usrp/n230/n230_device_args.hpp
+++ b/host/lib/usrp/n230/n230_device_args.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_DEV_ARGS_HPP
diff --git a/host/lib/usrp/n230/n230_eeprom.h b/host/lib/usrp/n230/n230_eeprom.h
index b6c2a0c76..47ba4b421 100644
--- a/host/lib/usrp/n230/n230_eeprom.h
+++ b/host/lib/usrp/n230/n230_eeprom.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_EEPROM_H
diff --git a/host/lib/usrp/n230/n230_eeprom_manager.cpp b/host/lib/usrp/n230/n230_eeprom_manager.cpp
index 4a996ef61..8e68f8f99 100644
--- a/host/lib/usrp/n230/n230_eeprom_manager.cpp
+++ b/host/lib/usrp/n230/n230_eeprom_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_eeprom.h"
diff --git a/host/lib/usrp/n230/n230_eeprom_manager.hpp b/host/lib/usrp/n230/n230_eeprom_manager.hpp
index 190ed943f..da5cb36ae 100644
--- a/host/lib/usrp/n230/n230_eeprom_manager.hpp
+++ b/host/lib/usrp/n230/n230_eeprom_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_EEPROM_MANAGER_HPP
diff --git a/host/lib/usrp/n230/n230_fpga_defs.h b/host/lib/usrp/n230/n230_fpga_defs.h
index 3fa0451e7..d87c9a3fa 100644
--- a/host/lib/usrp/n230/n230_fpga_defs.h
+++ b/host/lib/usrp/n230/n230_fpga_defs.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_FPGA_DEFS_H
diff --git a/host/lib/usrp/n230/n230_frontend_ctrl.cpp b/host/lib/usrp/n230/n230_frontend_ctrl.cpp
index 80f1232b1..e49ee1ed3 100644
--- a/host/lib/usrp/n230/n230_frontend_ctrl.cpp
+++ b/host/lib/usrp/n230/n230_frontend_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_frontend_ctrl.hpp"
diff --git a/host/lib/usrp/n230/n230_frontend_ctrl.hpp b/host/lib/usrp/n230/n230_frontend_ctrl.hpp
index 377d23ba8..c5aa302de 100644
--- a/host/lib/usrp/n230/n230_frontend_ctrl.hpp
+++ b/host/lib/usrp/n230/n230_frontend_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_FRONTEND_CTRL_HPP
diff --git a/host/lib/usrp/n230/n230_fw_comm_protocol.h b/host/lib/usrp/n230/n230_fw_comm_protocol.h
index b7c85f2ba..15926ebdc 100644
--- a/host/lib/usrp/n230/n230_fw_comm_protocol.h
+++ b/host/lib/usrp/n230/n230_fw_comm_protocol.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_FW_COMM_PROTOCOL
diff --git a/host/lib/usrp/n230/n230_fw_ctrl_iface.cpp b/host/lib/usrp/n230/n230_fw_ctrl_iface.cpp
index 61a7d2d65..391df4d54 100644
--- a/host/lib/usrp/n230/n230_fw_ctrl_iface.cpp
+++ b/host/lib/usrp/n230/n230_fw_ctrl_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_fw_ctrl_iface.hpp"
diff --git a/host/lib/usrp/n230/n230_fw_ctrl_iface.hpp b/host/lib/usrp/n230/n230_fw_ctrl_iface.hpp
index 675c843b3..fa584a455 100644
--- a/host/lib/usrp/n230/n230_fw_ctrl_iface.hpp
+++ b/host/lib/usrp/n230/n230_fw_ctrl_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_N230_UDP_FW_CTRL_IFACE_HPP
diff --git a/host/lib/usrp/n230/n230_fw_defs.h b/host/lib/usrp/n230/n230_fw_defs.h
index fbdc67ebb..cb2178229 100644
--- a/host/lib/usrp/n230/n230_fw_defs.h
+++ b/host/lib/usrp/n230/n230_fw_defs.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_FW_DEFS_H
diff --git a/host/lib/usrp/n230/n230_fw_host_iface.h b/host/lib/usrp/n230/n230_fw_host_iface.h
index 0391af0d9..d5d9c3812 100644
--- a/host/lib/usrp/n230/n230_fw_host_iface.h
+++ b/host/lib/usrp/n230/n230_fw_host_iface.h
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_FW_HOST_IFACE_H
diff --git a/host/lib/usrp/n230/n230_image_loader.cpp b/host/lib/usrp/n230/n230_image_loader.cpp
index 25f498a73..6387126a6 100644
--- a/host/lib/usrp/n230/n230_image_loader.cpp
+++ b/host/lib/usrp/n230/n230_image_loader.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <fstream>
diff --git a/host/lib/usrp/n230/n230_impl.cpp b/host/lib/usrp/n230/n230_impl.cpp
index 63971fb34..c2f58f665 100644
--- a/host/lib/usrp/n230/n230_impl.cpp
+++ b/host/lib/usrp/n230/n230_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_impl.hpp"
diff --git a/host/lib/usrp/n230/n230_impl.hpp b/host/lib/usrp/n230/n230_impl.hpp
index b644dd8a3..c09100a2e 100644
--- a/host/lib/usrp/n230/n230_impl.hpp
+++ b/host/lib/usrp/n230/n230_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_IMPL_HPP
diff --git a/host/lib/usrp/n230/n230_resource_manager.cpp b/host/lib/usrp/n230/n230_resource_manager.cpp
index d454afd40..7eab35c7a 100644
--- a/host/lib/usrp/n230/n230_resource_manager.cpp
+++ b/host/lib/usrp/n230/n230_resource_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_resource_manager.hpp"
diff --git a/host/lib/usrp/n230/n230_resource_manager.hpp b/host/lib/usrp/n230/n230_resource_manager.hpp
index 6da3b9035..f79b0c483 100644
--- a/host/lib/usrp/n230/n230_resource_manager.hpp
+++ b/host/lib/usrp/n230/n230_resource_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_RESOURCE_MANAGER_HPP
diff --git a/host/lib/usrp/n230/n230_stream_manager.cpp b/host/lib/usrp/n230/n230_stream_manager.cpp
index 0d5aa693f..4340c6e9d 100644
--- a/host/lib/usrp/n230/n230_stream_manager.cpp
+++ b/host/lib/usrp/n230/n230_stream_manager.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_stream_manager.hpp"
diff --git a/host/lib/usrp/n230/n230_stream_manager.hpp b/host/lib/usrp/n230/n230_stream_manager.hpp
index c3588474e..2691e9fc8 100644
--- a/host/lib/usrp/n230/n230_stream_manager.hpp
+++ b/host/lib/usrp/n230/n230_stream_manager.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_STREAM_MANAGER_HPP
diff --git a/host/lib/usrp/n230/n230_uart.cpp b/host/lib/usrp/n230/n230_uart.cpp
index 7330dff4a..b53196afe 100644
--- a/host/lib/usrp/n230/n230_uart.cpp
+++ b/host/lib/usrp/n230/n230_uart.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "n230_uart.hpp"
diff --git a/host/lib/usrp/n230/n230_uart.hpp b/host/lib/usrp/n230/n230_uart.hpp
index 168399f50..9da588942 100644
--- a/host/lib/usrp/n230/n230_uart.hpp
+++ b/host/lib/usrp/n230/n230_uart.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_N230_UART_HPP
diff --git a/host/lib/usrp/subdev_spec.cpp b/host/lib/usrp/subdev_spec.cpp
index b7eb64f87..593759c95 100644
--- a/host/lib/usrp/subdev_spec.cpp
+++ b/host/lib/usrp/subdev_spec.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/subdev_spec.hpp>
diff --git a/host/lib/usrp/subdev_spec_c.cpp b/host/lib/usrp/subdev_spec_c.cpp
index 2c9c20506..f61653695 100644
--- a/host/lib/usrp/subdev_spec_c.cpp
+++ b/host/lib/usrp/subdev_spec_c.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/usrp/subdev_spec.h>
diff --git a/host/lib/usrp/usrp1/CMakeLists.txt b/host/lib/usrp/usrp1/CMakeLists.txt
index e212e924a..a7e725a2e 100644
--- a/host/lib/usrp/usrp1/CMakeLists.txt
+++ b/host/lib/usrp/usrp1/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2010-2011,2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/usrp1/codec_ctrl.cpp b/host/lib/usrp/usrp1/codec_ctrl.cpp
index bb81ec3e7..21f19423f 100644
--- a/host/lib/usrp/usrp1/codec_ctrl.cpp
+++ b/host/lib/usrp/usrp1/codec_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "codec_ctrl.hpp"
diff --git a/host/lib/usrp/usrp1/codec_ctrl.hpp b/host/lib/usrp/usrp1/codec_ctrl.hpp
index ea9c8eb04..a62cd5e36 100644
--- a/host/lib/usrp/usrp1/codec_ctrl.hpp
+++ b/host/lib/usrp/usrp1/codec_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP1_CODEC_CTRL_HPP
diff --git a/host/lib/usrp/usrp1/dboard_iface.cpp b/host/lib/usrp/usrp1/dboard_iface.cpp
index 645c0bfd3..7de848332 100644
--- a/host/lib/usrp/usrp1/dboard_iface.cpp
+++ b/host/lib/usrp/usrp1/dboard_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2015,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp1_iface.hpp"
diff --git a/host/lib/usrp/usrp1/io_impl.cpp b/host/lib/usrp/usrp1/io_impl.cpp
index 7cb38548f..d9bea74d3 100644
--- a/host/lib/usrp/usrp1/io_impl.cpp
+++ b/host/lib/usrp/usrp1/io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "validate_subdev_spec.hpp"
diff --git a/host/lib/usrp/usrp1/soft_time_ctrl.cpp b/host/lib/usrp/usrp1/soft_time_ctrl.cpp
index 9cef99a60..619a05faa 100644
--- a/host/lib/usrp/usrp1/soft_time_ctrl.cpp
+++ b/host/lib/usrp/usrp1/soft_time_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "soft_time_ctrl.hpp"
diff --git a/host/lib/usrp/usrp1/soft_time_ctrl.hpp b/host/lib/usrp/usrp1/soft_time_ctrl.hpp
index 60df24744..a072a96db 100644
--- a/host/lib/usrp/usrp1/soft_time_ctrl.hpp
+++ b/host/lib/usrp/usrp1/soft_time_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2011-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_USRP_USRP1_SOFT_TIME_CTRL_HPP
diff --git a/host/lib/usrp/usrp1/usrp1_calc_mux.hpp b/host/lib/usrp/usrp1/usrp1_calc_mux.hpp
index 293d9c37c..d81e735cc 100644
--- a/host/lib/usrp/usrp1/usrp1_calc_mux.hpp
+++ b/host/lib/usrp/usrp1/usrp1_calc_mux.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2011 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/config.hpp>
diff --git a/host/lib/usrp/usrp1/usrp1_iface.cpp b/host/lib/usrp/usrp1/usrp1_iface.cpp
index 9390714ae..4654d4bcd 100644
--- a/host/lib/usrp/usrp1/usrp1_iface.cpp
+++ b/host/lib/usrp/usrp1/usrp1_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp1_iface.hpp"
diff --git a/host/lib/usrp/usrp1/usrp1_iface.hpp b/host/lib/usrp/usrp1/usrp1_iface.hpp
index 7fc943190..601f032f7 100644
--- a/host/lib/usrp/usrp1/usrp1_iface.hpp
+++ b/host/lib/usrp/usrp1/usrp1_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP1_IFACE_HPP
diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp
index 17009c6a9..a3f76ff41 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.cpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp1_impl.hpp"
diff --git a/host/lib/usrp/usrp1/usrp1_impl.hpp b/host/lib/usrp/usrp1/usrp1_impl.hpp
index ca192f907..fa38f58ef 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.hpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp1_iface.hpp"
diff --git a/host/lib/usrp/usrp2/CMakeLists.txt b/host/lib/usrp/usrp2/CMakeLists.txt
index a5aaf3eeb..9ac9cad8d 100644
--- a/host/lib/usrp/usrp2/CMakeLists.txt
+++ b/host/lib/usrp/usrp2/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2011-2012,2014-2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/usrp2/clock_ctrl.cpp b/host/lib/usrp/usrp2/clock_ctrl.cpp
index 4a15c641a..38dc82ae6 100644
--- a/host/lib/usrp/usrp2/clock_ctrl.cpp
+++ b/host/lib/usrp/usrp2/clock_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "clock_ctrl.hpp"
diff --git a/host/lib/usrp/usrp2/clock_ctrl.hpp b/host/lib/usrp/usrp2/clock_ctrl.hpp
index 80dcd0a2d..f587273fb 100644
--- a/host/lib/usrp/usrp2/clock_ctrl.hpp
+++ b/host/lib/usrp/usrp2/clock_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_CLOCK_CTRL_HPP
diff --git a/host/lib/usrp/usrp2/codec_ctrl.cpp b/host/lib/usrp/usrp2/codec_ctrl.cpp
index ec8bcf919..660f77598 100644
--- a/host/lib/usrp/usrp2/codec_ctrl.cpp
+++ b/host/lib/usrp/usrp2/codec_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "codec_ctrl.hpp"
diff --git a/host/lib/usrp/usrp2/codec_ctrl.hpp b/host/lib/usrp/usrp2/codec_ctrl.hpp
index ddecc6026..17bc2fdfd 100644
--- a/host/lib/usrp/usrp2/codec_ctrl.hpp
+++ b/host/lib/usrp/usrp2/codec_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_CODEC_CTRL_HPP
diff --git a/host/lib/usrp/usrp2/dboard_iface.cpp b/host/lib/usrp/usrp2/dboard_iface.cpp
index 49ad38eaf..6e7524479 100644
--- a/host/lib/usrp/usrp2/dboard_iface.cpp
+++ b/host/lib/usrp/usrp2/dboard_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2015,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "gpio_core_200.hpp"
diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h
index 81dd3523e..09c007301 100644
--- a/host/lib/usrp/usrp2/fw_common.h
+++ b/host/lib/usrp/usrp2/fw_common.h
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_FW_COMMON_H
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index 967b53c88..d69c0f4b7 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "validate_subdev_spec.hpp"
diff --git a/host/lib/usrp/usrp2/n200_image_loader.cpp b/host/lib/usrp/usrp2/n200_image_loader.cpp
index 01a8faa5e..529ae92f2 100644
--- a/host/lib/usrp/usrp2/n200_image_loader.cpp
+++ b/host/lib/usrp/usrp2/n200_image_loader.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <cstring>
diff --git a/host/lib/usrp/usrp2/usrp2_clk_regs.hpp b/host/lib/usrp/usrp2/usrp2_clk_regs.hpp
index d5e506d8d..fb1603709 100644
--- a/host/lib/usrp/usrp2/usrp2_clk_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_clk_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_CLK_REGS_HPP
diff --git a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp
index cdd26bbc4..07a94f4ea 100644
--- a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp2_regs.hpp"
diff --git a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp
index 5bc7f6676..c182e9961 100644
--- a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2012,2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_FIFO_CTRL_HPP
diff --git a/host/lib/usrp/usrp2/usrp2_iface.cpp b/host/lib/usrp/usrp2/usrp2_iface.cpp
index 46e4198b0..86a3b4aa7 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.cpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp2_regs.hpp"
diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp
index 9d7642bc1..238e716c0 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.hpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_IFACE_HPP
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 94d18d342..19feae71d 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014,2017 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "usrp2_impl.hpp"
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index e3cd5628e..75b8c726c 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012,2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_IMPL_HPP
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index 7fe83e709..aae0f40fc 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2012 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_USRP2_REGS_HPP
diff --git a/host/lib/usrp/usrp_c.cpp b/host/lib/usrp/usrp_c.cpp
index 13b4b607b..e8181170e 100644
--- a/host/lib/usrp/usrp_c.cpp
+++ b/host/lib/usrp/usrp_c.cpp
@@ -1,18 +1,7 @@
/*
* Copyright 2015-2016 Ettus Research LLC
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: GPL-3.0
*/
/* C-Interface for multi_usrp */
diff --git a/host/lib/usrp/x300/CMakeLists.txt b/host/lib/usrp/x300/CMakeLists.txt
index 3a48c9900..d3aac701e 100644
--- a/host/lib/usrp/x300/CMakeLists.txt
+++ b/host/lib/usrp/x300/CMakeLists.txt
@@ -1,18 +1,7 @@
#
# Copyright 2013,2015 Ettus Research LLC
#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0
#
########################################################################
diff --git a/host/lib/usrp/x300/x300_adc_ctrl.cpp b/host/lib/usrp/x300/x300_adc_ctrl.cpp
index d9d0cb168..e9928455b 100644
--- a/host/lib/usrp/x300/x300_adc_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_adc_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_adc_ctrl.hpp"
diff --git a/host/lib/usrp/x300/x300_adc_ctrl.hpp b/host/lib/usrp/x300/x300_adc_ctrl.hpp
index bda93628e..755006b15 100644
--- a/host/lib/usrp/x300/x300_adc_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_adc_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_ADC_CTRL_HPP
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.cpp b/host/lib/usrp/x300/x300_clock_ctrl.cpp
index 7307bcc66..371838cc3 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2015 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "lmk04816_regs.hpp"
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.hpp b/host/lib/usrp/x300/x300_clock_ctrl.hpp
index 7126f1b9f..3904dab2d 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_CLOCK_CTRL_HPP
diff --git a/host/lib/usrp/x300/x300_dac_ctrl.cpp b/host/lib/usrp/x300/x300_dac_ctrl.cpp
index 35883fa50..ffd14bd7d 100644
--- a/host/lib/usrp/x300/x300_dac_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_dac_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_dac_ctrl.hpp"
diff --git a/host/lib/usrp/x300/x300_dac_ctrl.hpp b/host/lib/usrp/x300/x300_dac_ctrl.hpp
index d208f2c2e..3e58614d9 100644
--- a/host/lib/usrp/x300/x300_dac_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_dac_ctrl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_DAC_CTRL_HPP
diff --git a/host/lib/usrp/x300/x300_dboard_iface.cpp b/host/lib/usrp/x300/x300_dboard_iface.cpp
index e492fe2b3..ac1c47d67 100644
--- a/host/lib/usrp/x300/x300_dboard_iface.cpp
+++ b/host/lib/usrp/x300/x300_dboard_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013,2015,2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_dboard_iface.hpp"
diff --git a/host/lib/usrp/x300/x300_dboard_iface.hpp b/host/lib/usrp/x300/x300_dboard_iface.hpp
index 82e08b016..2b9c6b8dc 100644
--- a/host/lib/usrp/x300/x300_dboard_iface.hpp
+++ b/host/lib/usrp/x300/x300_dboard_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2010-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_DBOARD_IFACE_HPP
diff --git a/host/lib/usrp/x300/x300_fw_common.h b/host/lib/usrp/x300/x300_fw_common.h
index 1c786448c..d495934eb 100644
--- a/host/lib/usrp/x300/x300_fw_common.h
+++ b/host/lib/usrp/x300/x300_fw_common.h
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_FW_COMMON_H
diff --git a/host/lib/usrp/x300/x300_fw_ctrl.cpp b/host/lib/usrp/x300/x300_fw_ctrl.cpp
index b8cb2075e..ea0b0b164 100644
--- a/host/lib/usrp/x300/x300_fw_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_fw_ctrl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <uhd/types/wb_iface.hpp>
diff --git a/host/lib/usrp/x300/x300_fw_uart.cpp b/host/lib/usrp/x300/x300_fw_uart.cpp
index 83a564997..b284dab8b 100644
--- a/host/lib/usrp/x300/x300_fw_uart.cpp
+++ b/host/lib/usrp/x300/x300_fw_uart.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_impl.hpp"
diff --git a/host/lib/usrp/x300/x300_image_loader.cpp b/host/lib/usrp/x300/x300_image_loader.cpp
index f5564d2ce..6e2ae0bb1 100644
--- a/host/lib/usrp/x300/x300_image_loader.cpp
+++ b/host/lib/usrp/x300/x300_image_loader.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2017 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include <fstream>
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index f98bdb5b1..f69985fe4 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_impl.hpp"
diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp
index a1ff65a5c..a8a0832b3 100644
--- a/host/lib/usrp/x300/x300_impl.hpp
+++ b/host/lib/usrp/x300/x300_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_IMPL_HPP
diff --git a/host/lib/usrp/x300/x300_io_impl.cpp b/host/lib/usrp/x300/x300_io_impl.cpp
index 35d6f74f3..b5c9f8621 100644
--- a/host/lib/usrp/x300/x300_io_impl.cpp
+++ b/host/lib/usrp/x300/x300_io_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2014 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_regs.hpp"
diff --git a/host/lib/usrp/x300/x300_mb_eeprom_iface.cpp b/host/lib/usrp/x300/x300_mb_eeprom_iface.cpp
index adc766c39..8df542559 100644
--- a/host/lib/usrp/x300/x300_mb_eeprom_iface.cpp
+++ b/host/lib/usrp/x300/x300_mb_eeprom_iface.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2013-2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
/*
diff --git a/host/lib/usrp/x300/x300_mb_eeprom_iface.hpp b/host/lib/usrp/x300/x300_mb_eeprom_iface.hpp
index 0649855c6..3fd8e03d2 100644
--- a/host/lib/usrp/x300/x300_mb_eeprom_iface.hpp
+++ b/host/lib/usrp/x300/x300_mb_eeprom_iface.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2016 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_MB_EEPROM_HPP
diff --git a/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp b/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
index 2609820f4..9674b34cc 100644
--- a/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
+++ b/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2017 Ettus Research, A National Instruments Company
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#include "x300_radio_ctrl_impl.hpp"
diff --git a/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp b/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
index 50c3059d3..edecef597 100644
--- a/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
+++ b/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2015-2016 Ettus Research
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_LIBUHD_RFNOC_X300_RADIO_CTRL_IMPL_HPP
diff --git a/host/lib/usrp/x300/x300_regs.hpp b/host/lib/usrp/x300/x300_regs.hpp
index d908bfb34..696072bc0 100644
--- a/host/lib/usrp/x300/x300_regs.hpp
+++ b/host/lib/usrp/x300/x300_regs.hpp
@@ -1,18 +1,7 @@
//
// Copyright 2013 Ettus Research LLC
//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0
//
#ifndef INCLUDED_X300_REGS_HPP