Re:_Anyone_have_a_copy_of_the_work_that_Joyent_did_on_ FreeBSD_“VPC”_software_defined_network ing?

Thank you Philip, that would be great!

Erik

> On 17 Apr 2022, at 15:03, Philip M. Gollucci <pgollucci@p6m7g8.com> wrote:
> 
> 
> I may be able to get ahold of Brian Cantrill.  He's likely the best PoC too.
> 
>> On Sun, Apr 17, 2022 at 2:49 AM Erik N <erik@nstr.no> wrote:
>> I was watching this presentation from BSDCan 2018, by Sean Chittenden, titled “Introducing FreeBSD VPC”.
>> 
>> The video recording of said presentation is at https://youtu.be/La4ekkKbM5o and slides are at https://papers.freebsd.org/2018/chittenden-freebsd_vpc.files/chittenden-freebsd_vpc-slides.pdf
>> 
>> The presentation details enhancements to FreeBSD, to allow efficient private networking between bhyve guests as well as jails on overlay networks, running across separate FreeBSD hosts. This, according to the presentation, comes in the form of a suite of VXLAN-related network interfaces.
>> 
>> From two of the slides:
>> 
>> vpc(4) Interfaces
>> vpcsw(4) - switches packets - one packet per customer, multiple subnets supported in the same switch
>> vmnic(4) - dedicated guest NIC, looks like a virtio network device to guests
>> vpcp(4) - plugs vmnic(4) ports into vpcsw(4) switches vpci(4) - Non-bhyve(4) interface, usable in jails(2)
>> ethlink(4) - Performs unencapsulated packet forwarding, wraps a cloned or physical ethernet interface
>> vpclink(4) - Performs VXLAN encapsulation
>> 
>> New System Calls
>> vpc_open(2) - Creates a new VPC descriptor vpc_ctl(2) - Manipulates VPC descriptors Capsicum-like, intended for privilege separation Intended for idempotent tooling
>> Makes aggressive use of UUIDs as operator handles to be compatible with Triton
>> 
>> At the very end of the presentation slides are links to for kernel code and kernel library code on GitHub:
>> 
>> https://github.com/joyent/freebsd/tree/projects/VPC
>> 
>> https://github.com/joyent/freebsd/tree/projects/VPC/libexec/go/src/go.freebsd.org/sys/vpc
>> 
>> Unfortunately, the whole repository on GitHub is gone. 404. And I couldn’t find any forks of it either.
>> 
>> Does anyone have a copy of the VPC branch that Joyent had in that repository?
>> 
>> All that seems to be left of the project on Joyent's GitHub is a separate, archived repository https://github.com/joyent/freebsd-vpc that only has code for a utility that would interact with the code from the aforementioned now gone repository.
>> 
>> Erik N.
> 
> 
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> Philip M. Gollucci
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> http://www.linkedin.com/in/pgollucci/
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