[gem5-users] How are SLICC in_port and out_port connected ?

[Sampad Mohapatra via gem5-users]

Hello,

I am not clear as to how an out_port (let's say from cache) and an in_port
(to directory)
are connected.

For example in learning gem5 book:

MSI-Cache.sm:
      MessageBuffer * requestToDir, network="To", virtual_network="0",
vnet_type="request";
      out_port(request_out, RequestMsg, requestToDir);

MSI-dir.sm:
      MessageBuffer *requestFromCache, network="From", virtual_network="0",
vnet_type="request";
      in_port(request_in, RequestMsg, requestFromCache)

What all conditions/logic specify that the above two ports should be
connected ?

Thank You,
Sampad Mohapatra

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