dummynet + CoDel, FQ-Codel, PIE, and FQ-PIE

[Don Lewis]

On 16 May, To: freebsd-net at FreeBSD.org wrote:
> I'd like to see us get these patches committed to HEAD in time for
> 11.0-RELEASE: <http://caia.swin.edu.au/freebsd/aqm/downloads.html>
> 
> I've been running this stuff on my firewall box for a few months
> and it has tamed the latency problems I was having with my DSL
> connection to the internet whenever big uploads or downloads were in
> progress.  Doing this with ALTQ would have been a lot more difficult
> even if the CoDel stuff in ALTQ was documented ...

I put it up on Phabricator here: <https://reviews.freebsd.org/D6388>