RE: [PATCH 2/5] IB/qib: Added congestion control agent implementation

Can you elaborate a little on the role/usage of the sysfs entries this 
patch adds? I wasn't sure to follow, basically, I thought IBTA CCA 
defined thing such that one can set/get anything CC related  through 
MADs, isn't that?

The PSM library currently implements a static configuration for congestion 
control. The purpose of this patch is to dynamically control the CC configuration
across the fabric with the MADs sent from the FM. The configuration from
the CC related MAD sets are sent up to the PSM library via sysfs reads. 

Also, it seems that lots (if not most or all) the CC MADs related code  
is general and can (should) easily be moved to be under the IB core 
headers and sources, agree? We can do that as little cleanup later, 
after the bigger picture is realized here.

Yes, agreed, the CC agent code is pretty much general and can be moved into 
the IB core. 

Thanks,
Ram
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