| /* 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_ */ |
