xref: /minix3/minix/lib/liblwip/dist/src/include/lwip/prot/ip.h (revision 5d5fbe79c1b60734f34c69330aec5496644e8651)
1*5d5fbe79SDavid van Moolenbroek /**
2*5d5fbe79SDavid van Moolenbroek  * @file
3*5d5fbe79SDavid van Moolenbroek  * IP protocol definitions
4*5d5fbe79SDavid van Moolenbroek  */
5*5d5fbe79SDavid van Moolenbroek 
6*5d5fbe79SDavid van Moolenbroek /*
7*5d5fbe79SDavid van Moolenbroek  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8*5d5fbe79SDavid van Moolenbroek  * All rights reserved.
9*5d5fbe79SDavid van Moolenbroek  *
10*5d5fbe79SDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without modification,
11*5d5fbe79SDavid van Moolenbroek  * are permitted provided that the following conditions are met:
12*5d5fbe79SDavid van Moolenbroek  *
13*5d5fbe79SDavid van Moolenbroek  * 1. Redistributions of source code must retain the above copyright notice,
14*5d5fbe79SDavid van Moolenbroek  *    this list of conditions and the following disclaimer.
15*5d5fbe79SDavid van Moolenbroek  * 2. Redistributions in binary form must reproduce the above copyright notice,
16*5d5fbe79SDavid van Moolenbroek  *    this list of conditions and the following disclaimer in the documentation
17*5d5fbe79SDavid van Moolenbroek  *    and/or other materials provided with the distribution.
18*5d5fbe79SDavid van Moolenbroek  * 3. The name of the author may not be used to endorse or promote products
19*5d5fbe79SDavid van Moolenbroek  *    derived from this software without specific prior written permission.
20*5d5fbe79SDavid van Moolenbroek  *
21*5d5fbe79SDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22*5d5fbe79SDavid van Moolenbroek  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23*5d5fbe79SDavid van Moolenbroek  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24*5d5fbe79SDavid van Moolenbroek  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25*5d5fbe79SDavid van Moolenbroek  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26*5d5fbe79SDavid van Moolenbroek  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27*5d5fbe79SDavid van Moolenbroek  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28*5d5fbe79SDavid van Moolenbroek  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29*5d5fbe79SDavid van Moolenbroek  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30*5d5fbe79SDavid van Moolenbroek  * OF SUCH DAMAGE.
31*5d5fbe79SDavid van Moolenbroek  *
32*5d5fbe79SDavid van Moolenbroek  * This file is part of the lwIP TCP/IP stack.
33*5d5fbe79SDavid van Moolenbroek  *
34*5d5fbe79SDavid van Moolenbroek  * Author: Adam Dunkels <adam@sics.se>
35*5d5fbe79SDavid van Moolenbroek  *
36*5d5fbe79SDavid van Moolenbroek  */
37*5d5fbe79SDavid van Moolenbroek #ifndef LWIP_HDR_PROT_IP_H
38*5d5fbe79SDavid van Moolenbroek #define LWIP_HDR_PROT_IP_H
39*5d5fbe79SDavid van Moolenbroek 
40*5d5fbe79SDavid van Moolenbroek #include "lwip/arch.h"
41*5d5fbe79SDavid van Moolenbroek 
42*5d5fbe79SDavid van Moolenbroek #define IP_PROTO_ICMP    1
43*5d5fbe79SDavid van Moolenbroek #define IP_PROTO_IGMP    2
44*5d5fbe79SDavid van Moolenbroek #define IP_PROTO_UDP     17
45*5d5fbe79SDavid van Moolenbroek #define IP_PROTO_UDPLITE 136
46*5d5fbe79SDavid van Moolenbroek #define IP_PROTO_TCP     6
47*5d5fbe79SDavid van Moolenbroek 
48*5d5fbe79SDavid van Moolenbroek /** This operates on a void* by loading the first byte */
49*5d5fbe79SDavid van Moolenbroek #define IP_HDR_GET_VERSION(ptr)   ((*(u8_t*)(ptr)) >> 4)
50*5d5fbe79SDavid van Moolenbroek 
51*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_HDR_PROT_IP_H */
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