> > 	pps = 0 would mean "no packet is allowed in 1 second period",
> > 	which is totally opposite from "disable rate limitation".
> > 	so I picked negative number.
>
>Err, that seems wrong.  "no packet is allowed in 1 second period"
>is essentially "no packets allowed".  So, it seems as if 0 is a
>better way to say "pps rate limiting disabled".

	sorry if my commit message confused you.
	negative number means, "rate limitation disabled" = "no limit enforced"
	= "as many packets as possible". 

itojun