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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2024 OpenVPN Inc <sales@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MSS_H
#define MSS_H
#include "proto.h"
#include "error.h"
#include "mtu.h"
#include "ssl_common.h"
void mss_fixup_ipv4(struct buffer *buf, uint16_t maxmss);
void mss_fixup_ipv6(struct buffer *buf, uint16_t maxmss);
void mss_fixup_dowork(struct buffer *buf, uint16_t maxmss);
/** Set the --mssfix option. */
void frame_calculate_dynamic(struct frame *frame, struct key_type *kt,
const struct options *options,
struct link_socket_info *lsi);
/**
* Checks and adjusts the fragment and mssfix value according to the
* discovered path mtu value
* @param c context to adjust
*/
void frame_adjust_path_mtu(struct context *c);
#endif /* ifndef MSS_H */
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