/*
* Copyright (c) 2011 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup tcp
* @{
*/
/** @file Sequence number computations
*/
#ifndef SEQ_NO_H
#define SEQ_NO_H
#include <stdint.h>
#include "tcp_type.h"
extern bool seq_no_ack_acceptable(tcp_conn_t *, uint32_t);
extern bool seq_no_ack_duplicate(tcp_conn_t *, uint32_t);
extern bool seq_no_in_rcv_wnd(tcp_conn_t *, uint32_t);
extern bool seq_no_new_wnd_update(tcp_conn_t *, tcp_segment_t *);
extern bool seq_no_segment_acked(tcp_conn_t *, tcp_segment_t *, uint32_t);
extern bool seq_no_syn_acked(tcp_conn_t *);
extern bool seq_no_segment_ready(tcp_conn_t *, tcp_segment_t *);
extern bool seq_no_segment_acceptable(tcp_conn_t *, tcp_segment_t *);
extern void seq_no_seg_trim_calc(tcp_conn_t *, tcp_segment_t *, uint32_t *,
uint32_t *);
extern int seq_no_seg_cmp(tcp_conn_t *, tcp_segment_t *, tcp_segment_t *);
extern uint32_t seq_no_control_len(tcp_control_t);
#endif
/** @}
*/