May I ask where could I find the TCP BBR patches?

[Kuankuan Yang]

Dear All,

I’m a newbie for FreeBSD development. May I ask a stupid question where could I find the TCP BBR patches  :P 

From the FreeBSD Transport DevSubmit page, I knew that Randall Stewart is the main contributor for TCP BBR task, and found the code changes may be ready to get in.
> Michael asks about how well we can pull the pacer our of the Rack/BBR code and use it generally. rrs@ thinks that is already done. rrs@ says there are 3 steps to getting this in, 
> - Get in the Black Box 
> - Get in the Pacer which no one uses until Rack/BBR is in. 
> - Place Rack and BBR into the tree.

I have searched the keyword “BBR” on https://reviews.freebsd.org <https://reviews.freebsd.org/>, but I only got few related documents, haven’t found the source code change about the TCP BBR:
 -  D11086 ("Enable the ability to load multiple versions of the same TCP stack”) document. 
 -  D11085 (“TCP Blackbox Recorder") document

I’m planing to transplant the BBR congestion control algorithm for FreeBSD SCTP network protocol in our project, so it would be really great if I could find a BBR code base on FreeBSD. Any help would be greatly appreciated :-D

Thanks a lot,
- Kuankuan