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//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0+
//
#ifndef INCLUDED_LIBUHD_UTILS_PREFS_HPP
#define INCLUDED_LIBUHD_UTILS_PREFS_HPP
#include <uhd/types/device_addr.hpp>
#include <uhdlib/utils/config_parser.hpp>
#include <string>
namespace uhd { namespace prefs {
/*! Return a reference to an object representing the UHD config file
* state.
*
* Note: Don't call this in static initializers.
*/
config_parser& get_uhd_config();
/*! Convenience function to update device args with settings from
* config files.
*
* Assume the user has a configuration file as such:
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{.ini}
* [type=b200]
* master_clock_rate=20e6
*
* [serial=f42f9b] ; Let's assume this is another B200
* master_clock_rate=10e6
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* If get_usrp_args() gets called with "type" key equal to "b200", it will
* first apply the `master_clock_rate=20e6` settings, as if they had been
* passed in as device args into the initialization sequence. If the device
* happens to have the serial number listed above, i.e., "serial" equals
* "f42f9b", then the new value `master_clock_rate=10e6` will get applied.
*
* If the user actually specified their own value of `master_clock_rate`,
* that value would get applied.
*
*
* \param user_args After getting the device args from the config
* files, all of these key/value pairs will be applied
* and will overwrite the settings from config files
* if they exist.
*/
uhd::device_addr_t get_usrp_args(const uhd::device_addr_t &user_args);
/*! Convenience function to update global DPDK args with settings from
* config files.
*
* Searches for a profile attached to the dpdk-conf key, like this:
* [dpdk-conf=myconfig]
* num_mbufs=4095
* mbuf_cache_size=315
* mtu=8000
*
* \param user_args After getting the device args from the config
* files, all of these key/value pairs will be applied
* and will overwrite the settings from config files
* if they exist.
*/
uhd::device_addr_t get_dpdk_args(const uhd::device_addr_t &user_args);
/*! Convenience function to update per-NIC DPDK args with settings from
* config files.
*
* Grabs settings based on provided MAC address. Sections created like so:
* [dpdk-mac=00:01:02:03:04:05]
* dpdk-ipv4 = 192.168.20.1/24
* dpdk-io-cpu = 1
*
* [dpdk-mac=00:01:02:03:04:06]
* dpdk-ipv4 = 192.168.40.1/24
* dpdk-io-cpu = 1
*
* \param user_args After getting the device args from the config
* files, all of these key/value pairs will be applied
* and will overwrite the settings from config files
* if they exist.
*/
uhd::device_addr_t get_dpdk_nic_args(const uhd::device_addr_t &user_args);
}} /* namespace uhd::prefs */
#endif /* INCLUDED_LIBUHD_UTILS_PREFS_HPP */
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