bt.h

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/*
 * Copyright (c) 2001-2003, Adam Dunkels.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. 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.
 *
 * This file is part of the uIP TCP/IP stack.
 *
 *
 */

#ifndef __BT_H__
#define __BT_H__

#include "btopt.h"
#include "btarch.h"

#define ERR_OK          0
#define ERR_MEM         -1
#define ERR_BUF         -2
#define ERR_ABRT        -3
#define ERR_RST         -4
#define ERR_CLSD        -5
#define ERR_CONN        -6
#define ERR_VAL         -7
#define ERR_ARG         -8
#define ERR_RTE         -9
#define ERR_USE         -10
#define ERR_IF          -11
#define ERR_PKTSIZE     -17

#define PROTO_ICMP      1
#define PROTO_TCP       6
#define PROTO_UDP       17

/* Headezes. */
#define IP_HLEN         20    /* Size of IP header */
#define TRANSPORT_HLEN  20

#define UDP_HLEN        8    /* Size of UDP header */
#define TCP_HLEN        20    /* Size of TCP header */
#define IPUDP_HLEN      28    /* Size of IP + UDP header */
#define IPTCP_HLEN      40    /* Size of IP + TCP header */

#ifndef HTONS
#   if BYTE_ORDER == BIG_ENDIAN
#      define HTONS(n) (n)
#   else /* BYTE_ORDER == BIG_ENDIAN */
#      define HTONS(n) ((((u16_t)((n) & 0xff)) << 8) | (((n) & 0xff00) >> 8))
#   endif /* BYTE_ORDER == BIG_ENDIAN */
#endif /* HTONS */


#ifndef htons
u16_t htons(u16_t val);
#endif /* htons */

#endif /* __UIP_H__ */