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Args were being parsed in x300_eth_manager::find(), before UHD could
ascertain the args were intended for an X300 device (and not some
other device). This caused unwarranted error messages to print in
some cases. The changes here fix this and prevent the premature
parsing and error messages.
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Change the default number of frames so that it works well when using
offload threads, including DPDK. This matches the default number of
frames in mpmd.
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DPDK provides a fixed number of fixed-size buffers for the receive
window, so it needs packet-based flow control to avoid dropping
packets. This change enables counting by packets.
Co-authored-by: Ciro Nishiguchi <ciro.nishiguchi@ni.com>
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x300:
- Remove obsolete variables from x300_eth_mgr and X300 motherboard
components
- Added some documentation / comments
- Use constrained device args in more places
- Enables the use of use_dpdk=1
- Switches between regular (kernel-based) and DPDK UDP
mpmd:
- Merge link_if_ctrl for udp and dpdk_udp
- Update cmake options
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- Implement I/O service detach link methods
- The I/O service manager instantiates new I/O services or connects
links to existing I/O services based on options provided by the user
in stream_args.
- Add a streamer ID parameter to methods to create transports so that
the I/O service manager can group transports appropriately when using
offload threads.
- Change X300 and MPMD to use I/O service manager to connect links to
I/O services.
- There is now a single I/O service manager per rfnoc_graph (and it is
also stored in the graph)
- The I/O service manager now also knows the device args for the
rfnoc_graph it was created with, and can make decisions based upon
those (e.g, use a specific I/O service for DPDK, share cores between
streamers, etc.)
- The I/O Service Manager does not get any decision logic with this
commit, though
- The MB ifaces for mpmd and x300 now access this global I/O service
manager
- Add configuration of link parameters with overrides
Co-Authored-By: Martin Braun <martin.braun@ettus.com>
Co-Authored-By: Aaron Rossetto <aaron.rossetto@ni.com>
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This commit removes all files and parts of files that are used by
proto-RFNoC only.
uhd: Fix include CMakeLists.txt, add missing files
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Co-Authored-By: Alex Williams <alex.williams@ni.com>
Co-Authored-By: Sugandha Gupta <sugandha.gupta@ettus.com>
Co-Authored-By: Brent Stapleton <brent.stapleton@ettus.com>
Co-Authored-By: Ciro Nishiguchi <ciro.nishiguchi@ni.com>
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Pass original args into the x300_get_udp_factory() function. This
exposes the fact that this is a DPDK connection.
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This pulls out a lot of code from x300_impl and puts it into its own
compilation units:
- EEPROM code goes to x300_mb_eeprom.*
- Claim code goes to x300_claim.*
- PCIe code goes to uhd::usrp::x300::pcie_manager
- Ethernet code goes to uhd::usrp::x300::eth_manager
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