[ofa-general] [RFC] the never ending search for SA scalability

[Roland Dreier]

 > >This concept is supported by the spec through SA redirection; however, I
 > >propose that we also allow the SA LID to be set manually by an administrator.

 > Is the following an acceptable approach for this?
 > 
 > Add a class device file to the ib_sa that allows setting all SA redirection
 > parameters (SL, LID, PKey, QP - with processing similar to SRP's add_target).
 > 
 > /sys/class/infiniband_sa/sa-mthca-0/redirect_sa

My first reaction to this is to wonder why we wouldn't just use
redirection as already specified in the IB architecture?  It seems
that having something that has to be set manually and that breaks all
communication if it is set wrong is a bad idea.

 - R.