| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Since the mb_iface allocates local device IDs, also have it track
the associated adapter IDs and provide a facility to retrieve them.
Incorporate the adapter IDs in the user API to select the adapter
for streamers.
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Because the initialization state of SEPs is a graph-wide property,
link_stream_managers and mgmt_portals cannot rely on their private
members to determine if they can reset an SEP. Move the call to
init SEPs into the epid_allocator, and have it call into a
mgmt_portal to gain access to the SEP.
Thus, link_stream_managers only request that an epid_allocator
ensure an SEP is numbered and initialized, and they provide a path
to communicate with the SEP. The epid_allocator will ensure init
only happens once, so a stream currently running on another
link_stream_manager does not get interrupted. This could happen,
for example, if the OSTRM went to one device, and the ISTRM came
from another. In general, EPIDs should only be assigned once.
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Change data transports to use the mgmt_portal from the
link_stream_manager. The initialization state of a device's EPIDs
needs to be shared amongst all the SEP users. Otherwise, an RX
transport may attempt to do a full reset of the SEP while TX is
streaming (for example).
TODO: The code contained here is not sufficient to handle multiple
links that can access the same SEPs, as those would have different
link_stream_managers, and thus, different mgmt_portal instances and
views of the SEP state.
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transports:
Transports build on I/O service and implements flow control and
sequence number checking.
The rx streamer subclass extends the streamer implementation to connect
it to the rfnoc graph. It receives configuration values from property
propagation and configures the streamer accordingly. It also implements
the issue_stream_cmd rx_streamer API method.
Add implementation of rx streamer creation and method to connect it to
an rfnoc block.
rfnoc_graph: Cache more connection info, clarify contract
Summary of changes:
- rfnoc_graph stores more information about static connections at the
beginning. Some search algorithms are replaced by simpler lookups.
- The contract for connect() was clarified. It is required to call
connect, even for static connections.
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These changes add APIs to instantiate the new transports. However,
only the control/management transport is currently implemented. It
uses the chdr_ctrl_xport.
Also update the mgmt_portal to use an ephemeral reference to the
shared transport, to indicate that it has no ownership of the
transport's memory.
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- Fleshed out mb_iface
- Managers currently only export ctrl APIs. Data APIs TBD
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