Re: [WireGuard] Can WireGuard be adopted for older kernels?

["Jason A. Donenfeld" <artyom.h31@gmail.com>]

P.S. Sorry for the incorrect From address. It was me, not Jason.

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16 =D0=B2 1:46 , Jason A. Donenfeld=20
<artyom.h31@gmail.com> =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:
> I'm trying to run WireGuard on a single board computer (ODROID C1).=20
> It's not a problem to modify a board's kernel code, however the chip=20
> manufacturer (Amlogic) is focused on Android and will very unlikely=20
> release a newer kernel for this board.
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> A userspace version is not an option because of a huge performance=20
> penalty of userspace tunnels. It will certainly be slower than IPsec,=20
> and performance is especially important for embedded devices.
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> A small offtopic: why have you chosen to use Rust for a userspace=20
> version and not C or C++? In the latter case you have an option to=20
> reuse some code from the kernel version.
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2016 =D0=B2 1:10 , Jason A. Donenfeld=20
> <Jason@zx2c4.com> =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:
>> Hey Artyom,
>>=20
>> I face the same problem as you. I have an Edge Router Lite, and I'd
>> really love to run WireGuard on it, but their proprietary kernel is
>> stuck at 3.10. Major bummer.
>>=20
>> The current plan is to write a userspace version in Rust, that will=20
>> be
>> cross platform and work well on old kernels. No timeline on that
>> though.
>>=20
>> However, I did at one point run wireguard on really old kernels=20
>> during
>> testing. That was before I started using the very nice udp_tunnel_*
>> library inside newer kernels, which then forced the dependency. But
>> when I did do this, it worked. Maybe I'll dust off the ugly old code
>> and hack something horrible together to work on old kernels. On the
>> other hand, this might not really be a great use of time... I don't
>> know.
>>=20
>> What system are you trying to run it on? Maybe if it's the same as=20
>> me,
>> we can both poke Ubnt together to upgrade their kernel...
>>=20
>> Jason
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