Error loading tcp_bbr kernel module

[David Wolfskill]

On Sat, May 09, 2020 at 02:18:51PM +0200, Gordon Bergling wrote:
> Greetings,
> 
> I build -CURRENT with WITH_EXTRA_TCP_STACKS=1, but I got the following error
> when I try to load for example tcp_bbr.ko.
> 
> kldload: an error occurred while loading module tcp_rack.ko. Please check dmesg(8) for more details.
> 
> dmesg shows:
> 
> KLD tcp_bbr.ko: depends on tcphpts - not available or version mismatch
> linker_load_file: /boot/kernel/tcp_bbr.ko - unsupported file type
> 
> Any hints on solving the problem?
> 
> The kernel config is GENERIC.
> 
> Best regards,
> 
> Gordon
> ....

Looks as if option TCPHPTS isn't in GENERIC, and it's a requisite for
BBR.

I'd probably create a custom kernel config that amounted to:

include         GENERIC
options		TCPHPTS

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
Donald Trump had 3 years to replenish the US stockpile of PPE -- and failed.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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