Re: [Openvpn-users] openvpn can not detect kernel dco module

[d t. <tb...@gm...>]

Hi:

> Can you please check if dmesg is reporting any error while you are
> attempting to connect?

dmesg report like this:

[ 9078.296036] tun100: deleting peer with id 11699696, reason 0
[ 9652.965804] encrypt crypto_alloc_aead failed, err=-2
[ 9652.983698] tun100: deleting peer with id 12315992, reason 0
[10521.975690] encrypt crypto_alloc_aead failed, err=-2
[10521.995059] tun100: deleting peer with id 15799456, reason 0
[10550.351940] encrypt crypto_alloc_aead failed, err=-2
[10550.371824] tun100: deleting peer with id 3578645, reason 0

> I am wondering if support for chachapoly is compiled in the kernel
> crypto API. Maybe OpenWrt has that disabled by default (wireguard uses a
> different API)

 openwrt strip many things. I don't know what exactly dco needs.
wireguard need  a kernel module so I compiled it:
root@OpenWrt:~# lsmod | grep chacha
chacha20poly1305        5522  0

but as you said opevpn-dco need different things? I will need to check
"make menuconfig" to find out.







>
> Regards,
>
> --
> Antonio Quartulli