/* SPDX-License-Identifier: GPL-2.0-only */ /* OpenVPN data channel offload * * Copyright (C) 2019-2025 OpenVPN, Inc. * * Author: Antonio Quartulli <antonio@openvpn.net> */ #ifndef _NET_OVPN_TCP_H_ #define _NET_OVPN_TCP_H_ #include <linux/net.h> #include <linux/skbuff.h> #include <linux/types.h> #include "peer.h" #include "skb.h" #include "socket.h" void __init ovpn_tcp_init(void); int ovpn_tcp_socket_attach(struct ovpn_socket *ovpn_sock, struct ovpn_peer *peer); void ovpn_tcp_socket_detach(struct ovpn_socket *ovpn_sock); void ovpn_tcp_socket_wait_finish(struct ovpn_socket *sock); /* Prepare skb and enqueue it for sending to peer. * * Preparation consist in prepending the skb payload with its size. * Required by the OpenVPN protocol in order to extract packets from * the TCP stream on the receiver side. */ void ovpn_tcp_send_skb(struct ovpn_peer *peer, struct sock *sk, struct sk_buff *skb); void ovpn_tcp_tx_work(struct work_struct *work); #endif /* _NET_OVPN_TCP_H_ */