Tony,
On 19/02/2020 11:37, Tony Li wrote:
Peter,
I'm aware of the PD layer and that is not the issue. The problem is that there
is no common value to report across different PD layers, as each architecture
may have different number of queues involved, etc. Trying to find a common
value to report to IPGs across various PDs would involve some PD specific logic
and that is the part I'm referring to and I would like NOT to get into.
I’m sorry that scares you. It would seem like an initial implementation might be to
take the min of the free space of the queues leading from the >interface to the
CPU. I grant you that some additional sophistication may be necessary, but I suspect
that this is not going to become more >complicated than polynomial evaluation.
I'm not scared of polynomial evaluation, but the fact that my IGP
implementation is dependent on the PD specifics, which are not generally
available and need to be custom built for each PD specifically. I always
thought a good IGP implementation is PD agnostic.
thanks,
Peter
Tony
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