[altq 357] Re: Accounting in altq

[Kenjiro Cho <kjc@csl.sony.co.jp>]

Anders Chr. Skoe wrote:
> We're a group here at Rice trying to implement a measurement-based 
> admission control algorithm.  Our scheme requires us to read the
> timestamps of arriving traffic, and from the statistics of these arrivals 
> determine whether or not to admit a flow.
> 
> I was hoping one of you folks might have some useful insight as to
> how we would want to collect the timestamps of the arriving packets.  More 
> specifically - is there a struct that already contains this timestamp, or
> if not, where can we grab them?  I've spent a good number of hours looking
> through the altq-code and parts of the kernel, but can't say I've had any
> luck.

sounds like BPF but I doubt that you really want to collect timestamps
from ALL packets.

-Kenjiro