cmsg support

[dtaht]

Over here I see cmsg support being used. Could this be used to get/set the ecn bits, and also timestamp the packets?

https://github.com/WireGuard/wireguard-go/blob/master/conn/bind_linux.go

[heistp]

Thanks for the pointer. It's possible, would just need some effort to try. My guess is once that question is answered, it will mostly be implemented. :)