On Mon,  4 Mar 2024 16:08:51 +0100 Antonio Quartulli wrote:

 create mode 100644 drivers/net/ovpn/Makefile
 create mode 100644 drivers/net/ovpn/bind.c
 create mode 100644 drivers/net/ovpn/bind.h
 create mode 100644 drivers/net/ovpn/crypto.c
 create mode 100644 drivers/net/ovpn/crypto.h
 create mode 100644 drivers/net/ovpn/crypto_aead.c
 create mode 100644 drivers/net/ovpn/crypto_aead.h
 create mode 100644 drivers/net/ovpn/io.c
 create mode 100644 drivers/net/ovpn/io.h
 create mode 100644 drivers/net/ovpn/main.c
 create mode 100644 drivers/net/ovpn/main.h
 create mode 100644 drivers/net/ovpn/netlink.c
 create mode 100644 drivers/net/ovpn/netlink.h
 create mode 100644 drivers/net/ovpn/ovpnstruct.h
 create mode 100644 drivers/net/ovpn/packet.h
 create mode 100644 drivers/net/ovpn/peer.c
 create mode 100644 drivers/net/ovpn/peer.h
 create mode 100644 drivers/net/ovpn/pktid.c
 create mode 100644 drivers/net/ovpn/pktid.h
 create mode 100644 drivers/net/ovpn/proto.h
 create mode 100644 drivers/net/ovpn/skb.h
 create mode 100644 drivers/net/ovpn/socket.c
 create mode 100644 drivers/net/ovpn/socket.h
 create mode 100644 drivers/net/ovpn/stats.c
 create mode 100644 drivers/net/ovpn/stats.h
 create mode 100644 drivers/net/ovpn/tcp.c
 create mode 100644 drivers/net/ovpn/tcp.h
 create mode 100644 drivers/net/ovpn/udp.c
 create mode 100644 drivers/net/ovpn/udp.h
 create mode 100644 include/uapi/linux/ovpn.h

At a glance you seem to be missing:
 - documentation
 - YAML spec for the netlink protocol -
   https://docs.kernel.org/next/userspace-api/netlink/specs.html
 - some basic set of tests (or mention that you'll run your own CI
   and report results to us: https://netdev.bots.linux.dev/status.html)
:)