Hi Yoshi,

On 15/10/2020 10:09, yoshi nishida wrote:
> Hmm. I've tried v0.95 mptcp kernel and kernel5.8 on ubuntu20.10.
> I tried both version 0 and 1 on v.95, but didn't work. But, I might
> miss something.

I guess you are referring to a sysctl parameter, right? If yes, on
v0.95, there is a partial support of MPTCPv1 regarding the modifications
around ADD_ADDR (with or without HMAC I think) but that's it.

The v0.95 doesn't support the new way of initiating an MPTCP connection
making v0 and v1 incompatible. Of course, except if a fallback from v1
to v0 is implemented, which is not the case in the upstream version.

But in other words, v0.95 is not compatible with MPTCPv1. Only
mptcp_trunk is:

https://github.com/multipath-tcp/mptcp/tree/mptcp_trunk

> I will dig into this a bit more as well as some minor issues I noticed
> during the weekend.

Thanks!

Cheers,
Matt
--
Tessares | Belgium | Hybrid Access Solutions
www.tessares.net
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