How to enable tcp bbr in FreeBSD???

[Randall Stewart]

Sure..

I will take a look at it. 

R

> On Apr 26, 2020, at 8:51 AM, Michael Tuexen <Michael.Tuexen at macmic.franken.de> wrote:
> 
> 
> 
>> On 26. Apr 2020, at 13:34, Randall Stewart via freebsd-transport <freebsd-transport at freebsd.org> wrote:
>> 
>> I have pulled down the reproducers.. one thing to note
>> is they are all rack (though it could be that the problems
>> are also in BBR). And of course FreeBSD is behind NF in
>> rack at least.
>> 
>> I need to work on getting things updated.. one thing Michael, 
>> both Rack and BBR in NF have lost the OOB handling. Please do
>> not commit any more changes to Rack .. since that work has already
>> been done.
> I understand that the support of MSG_OOB is gone, but if you want
> to return an error to the user when he uses MSG_OOB, you need to
> trigger this error in the protocol specific code.
> 
> I don't think we can return an error in all cases (also for the
> default stack), since that would change existing behaviour.
> 
> I leave this up to you.
> 
> Best regards
> Michael
>> 
>> R
>> 
>>> On Apr 26, 2020, at 7:28 AM, Randall Stewart <rrs at netflix.com> wrote:
>>> 
>>> This is actually the first I have heard of these bugs…
>>> 
>>> I will have look at them Mark.
>>> 
>>> R
>>> 
>>>> On Apr 24, 2020, at 10:23 AM, Mark Johnston <markj at freebsd.org> wrote:
>>>> 
>>>> On Fri, Apr 24, 2020 at 03:15:08PM +0100, Tom Jones wrote:
>>>>> rrs at freebsd.org
>>>>> Bcc: 
>>>>> Subject: Re: How to enable tcp bbr in FreeBSD???
>>>>> Reply-To: 
>>>>> In-Reply-To: <6042155a-297b-d85e-1d64-24d93da329a2 at gmail.com>
>>>>> 
>>>>> 
>>>>> ... snip ...
>>>>>> 
>>>>>> Maybe it is not ready for prime time, i do not know why it is not in the
>>>>>> default build.
>>>>>> Maybe ask the committer.
>>>>>> 
>>>>> 
>>>>> I have added rrs@ in cc and the freebsd-transport list. 
>>>>> 
>>>>> Does anyone know if there are plans to enable alternate TCP stacks in
>>>>> generic? 
>>>>> 
>>>>> Is there a stability point we need to hit first?
>>>> 
>>>> There are a couple of open bugs found by syzkaller (complete with
>>>> reproducers) that appeared when I enabled the alternate TCP stacks:
>>>> 
>>>> https://syzkaller.appspot.com/bug?id=986b4cecd84439df9794bda1a45d9cf0f50356fe
>>>> https://syzkaller.appspot.com/bug?id=048f650e99696f881872a285cef0e3b9bd4f4e25
>>>> 
>>>> I'd expect these to be fixed before providing the alternate stacks in
>>>> GENERIC.
>>>> _______________________________________________
>>>> freebsd-transport at freebsd.org mailing list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-transport
>>>> To unsubscribe, send any mail to "freebsd-transport-unsubscribe at freebsd.org"
>>> 
>>> ------
>>> Randall Stewart
>>> rrs at netflix.com
>>> 
>>> 
>>> 
>> 
>> ------
>> Randall Stewart
>> rrs at netflix.com
>> 
>> 
>> 
>> _______________________________________________
>> freebsd-transport at freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-transport
>> To unsubscribe, send any mail to "freebsd-transport-unsubscribe at freebsd.org"

------
Randall Stewart
rrs at netflix.com