xref: /nrf52832-nimble/rt-thread/components/net/lwip-2.1.0/src/include/lwip/prot/ip.h (revision 104654410c56c573564690304ae786df310c91fc)
1*10465441SEvalZero /**
2*10465441SEvalZero  * @file
3*10465441SEvalZero  * IP protocol definitions
4*10465441SEvalZero  */
5*10465441SEvalZero 
6*10465441SEvalZero /*
7*10465441SEvalZero  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8*10465441SEvalZero  * All rights reserved.
9*10465441SEvalZero  *
10*10465441SEvalZero  * Redistribution and use in source and binary forms, with or without modification,
11*10465441SEvalZero  * are permitted provided that the following conditions are met:
12*10465441SEvalZero  *
13*10465441SEvalZero  * 1. Redistributions of source code must retain the above copyright notice,
14*10465441SEvalZero  *    this list of conditions and the following disclaimer.
15*10465441SEvalZero  * 2. Redistributions in binary form must reproduce the above copyright notice,
16*10465441SEvalZero  *    this list of conditions and the following disclaimer in the documentation
17*10465441SEvalZero  *    and/or other materials provided with the distribution.
18*10465441SEvalZero  * 3. The name of the author may not be used to endorse or promote products
19*10465441SEvalZero  *    derived from this software without specific prior written permission.
20*10465441SEvalZero  *
21*10465441SEvalZero  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22*10465441SEvalZero  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23*10465441SEvalZero  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24*10465441SEvalZero  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25*10465441SEvalZero  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26*10465441SEvalZero  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27*10465441SEvalZero  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28*10465441SEvalZero  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29*10465441SEvalZero  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30*10465441SEvalZero  * OF SUCH DAMAGE.
31*10465441SEvalZero  *
32*10465441SEvalZero  * This file is part of the lwIP TCP/IP stack.
33*10465441SEvalZero  *
34*10465441SEvalZero  * Author: Adam Dunkels <[email protected]>
35*10465441SEvalZero  *
36*10465441SEvalZero  */
37*10465441SEvalZero #ifndef LWIP_HDR_PROT_IP_H
38*10465441SEvalZero #define LWIP_HDR_PROT_IP_H
39*10465441SEvalZero 
40*10465441SEvalZero #include "lwip/arch.h"
41*10465441SEvalZero 
42*10465441SEvalZero #ifdef __cplusplus
43*10465441SEvalZero extern "C" {
44*10465441SEvalZero #endif
45*10465441SEvalZero 
46*10465441SEvalZero #define IP_PROTO_ICMP    1
47*10465441SEvalZero #define IP_PROTO_IGMP    2
48*10465441SEvalZero #define IP_PROTO_UDP     17
49*10465441SEvalZero #define IP_PROTO_UDPLITE 136
50*10465441SEvalZero #define IP_PROTO_TCP     6
51*10465441SEvalZero 
52*10465441SEvalZero /** This operates on a void* by loading the first byte */
53*10465441SEvalZero #define IP_HDR_GET_VERSION(ptr)   ((*(u8_t*)(ptr)) >> 4)
54*10465441SEvalZero 
55*10465441SEvalZero #ifdef __cplusplus
56*10465441SEvalZero }
57*10465441SEvalZero #endif
58*10465441SEvalZero 
59*10465441SEvalZero #endif /* LWIP_HDR_PROT_IP_H */
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