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nuttx/include/netinet/in.h

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/****************************************************************************
* include/netinet/in.h
*
* Copyright (C) 2007, 2009-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
****************************************************************************/
#ifndef __INCLUDE_NETINET_IN_H
#define __INCLUDE_NETINET_IN_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Values for protocol argument to socket() */
#define IPPROTO_IP 0 /* Dummy protocol for TCP */
#define IPPROTO_HOPOPTS 0 /* IPv6 Hop-by-Hop options. */
#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
#define IPPROTO_IGMP 2 /* Internet Group Management Protocol */
#define IPPROTO_IPIP 4 /* IPIP tunnels (older KA9Q tunnels use 94) */
#define IPPROTO_TCP 6 /* Transmission Control Protocol */
#define IPPROTO_EGP 8 /* Exterior Gateway Protocol */
#define IPPROTO_PUP 12 /* PUP protocol */
#define IPPROTO_UDP 17 /* User Datagram Protocol */
#define IPPROTO_IDP 22 /* XNS IDP protocol */
#define IPPROTO_TP 29 /* SO Transport Protocol Class 4. */
#define IPPROTO_DCCP 33 /* Datagram Congestion Control Protocol */
#define IPPROTO_IPV6 41 /* IPv6-in-IPv4 tunnelling */
#define IPPROTO_ROUTING 43 /* IPv6 routing header. */
#define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header. */
#define IPPROTO_RSVP 46 /* Reservation Protocol. */
#define IPPROTO_GRE 47 /* General Routing Encapsulation. */
#define IPPROTO_ESP 50 /* Encapsulation Security Payload protocol */
#define IPPROTO_AH 51 /* Authentication Header protocol */
#define IPPROTO_ICMPV6 58 /* ICMPv6 */
#define IPPROTO_NONE 59 /* IPv6 no next header. */
#define IPPROTO_DSTOPTS 60 /* IPv6 destination options. */
#define IPPROTO_MTP 92 /* Multicast Transport Protocol. */
#define IPPROTO_ENCAP 98 /* Encapsulation Header. */
#define IPPROTO_BEETPH 94 /* IP option pseudo header for BEET */
#define IPPROTO_PIM 103 /* Protocol Independent Multicast */
#define IPPROTO_COMP 108 /* Compression Header protocol */
#define IPPROTO_SCTP 132 /* Stream Control Transport Protocol */
#define IPPROTO_UDPLITE 136 /* UDP-Lite (RFC 3828) */
#define IPPROTO_RAW 255 /* Raw IP packets */
/* Values used with SIOCSIFMCFILTER and SIOCGIFMCFILTER ioctl's */
#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
/* Test if an IPv4 address is a multicast address */
#define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
#define IN_MULTICAST(i) IN_CLASSD(i)
/* Special values of in_addr_t */
#define INADDR_ANY ((in_addr_t)0x00000000) /* Address to accept any incoming messages */
#define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* Address to send to all hosts */
#define INADDR_NONE ((in_addr_t)0xffffffff) /* Address indicating an error return */
#define INADDR_LOOPBACK ((in_addr_t)0x7f000001) /* Inet 127.0.0.1. */
/* Special initializer for in6_addr_t */
#define IN6ADDR_ANY_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}}
#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}}
/* struct in6_addr union selectors */
#define s6_addr in6_u.u6_addr8
#define s6_addr16 in6_u.u6_addr16
#define s6_addr32 in6_u.u6_addr32
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Public Type Definitions
****************************************************************************/
typedef uint16_t in_port_t;
/* IPv4 Internet address */
typedef uint32_t in_addr_t;
struct in_addr
{
in_addr_t s_addr; /* Address (network byte order) */
};
struct sockaddr_in
{
sa_family_t sin_family; /* Address family: AF_INET */
uint16_t sin_port; /* Port in network byte order */
struct in_addr sin_addr; /* Internet address */
};
/* IPv6 Internet address */
struct in6_addr
{
union
{
uint8_t u6_addr8[16];
uint16_t u6_addr16[8];
uint32_t u6_addr32[4];
} in6_u;
};
struct sockaddr_in6
{
sa_family_t sin6_family; /* Address family: AF_INET */
uint16_t sin6_port; /* Port in network byte order */
struct in6_addr sin6_addr; /* IPv6 internet address */
};
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/* Global IPv6 in6addr_any */
EXTERN const struct in6_addr in6addr_any;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_NETINET_IN_H */
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