Johan Hedberg created MYNEWT-287:
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             Summary: Host Flow Control
                 Key: MYNEWT-287
                 URL: https://issues.apache.org/jira/browse/MYNEWT-287
             Project: Mynewt
          Issue Type: New Feature
          Components: Nimble
         Environment: Using nimble from an external host stack
            Reporter: Johan Hedberg


If the Nimble controller part is connected to an external host stack the host 
may need to control the flow of ACL packets from the controller to the host. 
This is particularly important for resource-constrained hosts that have a 
limited amount of RX ACL data buffers.

The Bluetooth core specification provides a standard feature to accomplish this 
called Host Flow Control. (Vol 2, Part E, Section 4.2). To implement this the 
controller needs to support the "Set Controller To Host Flow Control", "Host 
Buffer Size" and "Host Number Of Completed Packets" HCI commands.



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