1 /* 2 * OpenVPN -- An application to securely tunnel IP networks 3 * over a single TCP/UDP port, with support for SSL/TLS-based 4 * session authentication and key exchange, 5 * packet encryption, packet authentication, and 6 * packet compression. 7 * 8 * Copyright (C) 2002-2019 OpenVPN Technologies, Inc. <sales@openvpn.net> 9 * Copyright (C) 2010 Fabian Knittel <fabian.knittel@lettink.de> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 13 * as published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write to the Free Software Foundation, Inc., 22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 23 */ 24 25 #ifndef VLAN_H 26 #define VLAN_H 27 28 #include "buffer.h" 29 #include "mroute.h" 30 #include "openvpn.h" 31 32 struct multi_context; 33 struct multi_instance; 34 35 int16_t 36 vlan_decapsulate(const struct context *c, struct buffer *buf); 37 38 bool 39 vlan_is_tagged(const struct buffer *buf); 40 41 void 42 vlan_process_outgoing_tun(struct multi_context *m, struct multi_instance *mi); 43 44 #endif /* VLAN_H */ 45