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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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