TCP BBR in FreeBSD HEAD

[Kevin Bowling]

Hi all,

I don't think I've seen it mentioned on this list but Randall Stewart
landed the Netflix BBR1 TCP stack into FreeBSD -CURRENT.

Download and install a FreeBSD 13-CURRENT snapshot, then create a
custom kernconf with these options, and do a
buildkernel/installkernel:
makeoptions WITH_EXTRA_TCP_STACKS=1
options TCPHPTS

You can enable the stack globally on new connections without
restarting the box or daemons by running these commands:
kldload tcp_bbr
sysctl net.inet.tcp.functions_inherit_listen_socket_stack=0
sysctl sys.net.inet.tcp.functions_default=bbr

Have fun,
Kevin