207 lines
7.6 KiB
C
207 lines
7.6 KiB
C
/****************************************************************************
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* include/netinet/in.h
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*
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* Copyright (C) 2007, 2009-2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NETINET_IN_H
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#define __INCLUDE_NETINET_IN_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Values for protocol argument to socket() */
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#define IPPROTO_IP 0 /* Dummy protocol for TCP */
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#define IPPROTO_HOPOPTS 0 /* IPv6 Hop-by-Hop options. */
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#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
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#define IPPROTO_IGMP 2 /* Internet Group Management Protocol */
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#define IPPROTO_IPIP 4 /* IPIP tunnels (older KA9Q tunnels use 94) */
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#define IPPROTO_TCP 6 /* Transmission Control Protocol */
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#define IPPROTO_EGP 8 /* Exterior Gateway Protocol */
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#define IPPROTO_PUP 12 /* PUP protocol */
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#define IPPROTO_UDP 17 /* User Datagram Protocol */
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#define IPPROTO_IDP 22 /* XNS IDP protocol */
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#define IPPROTO_TP 29 /* SO Transport Protocol Class 4. */
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#define IPPROTO_DCCP 33 /* Datagram Congestion Control Protocol */
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#define IPPROTO_IPV6 41 /* IPv6-in-IPv4 tunnelling */
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#define IPPROTO_ROUTING 43 /* IPv6 routing header. */
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#define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header. */
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#define IPPROTO_RSVP 46 /* Reservation Protocol. */
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#define IPPROTO_GRE 47 /* General Routing Encapsulation. */
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#define IPPROTO_ESP 50 /* Encapsulation Security Payload protocol */
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#define IPPROTO_AH 51 /* Authentication Header protocol */
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#define IPPROTO_ICMPV6 58 /* ICMPv6 */
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#define IPPROTO_NONE 59 /* IPv6 no next header. */
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#define IPPROTO_DSTOPTS 60 /* IPv6 destination options. */
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#define IPPROTO_MTP 92 /* Multicast Transport Protocol. */
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#define IPPROTO_ENCAP 98 /* Encapsulation Header. */
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#define IPPROTO_BEETPH 94 /* IP option pseudo header for BEET */
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#define IPPROTO_PIM 103 /* Protocol Independent Multicast */
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#define IPPROTO_COMP 108 /* Compression Header protocol */
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#define IPPROTO_SCTP 132 /* Stream Control Transport Protocol */
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#define IPPROTO_UDPLITE 136 /* UDP-Lite (RFC 3828) */
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#define IPPROTO_RAW 255 /* Raw IP packets */
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/* Values used with SIOCSIFMCFILTER and SIOCGIFMCFILTER ioctl's */
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#define MCAST_EXCLUDE 0
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#define MCAST_INCLUDE 1
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/* Test if an IPv4 address is a multicast address */
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#define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
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#define IN_MULTICAST(i) IN_CLASSD(i)
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/* Special values of in_addr_t */
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#define INADDR_ANY ((in_addr_t)0x00000000) /* Address to accept any incoming messages */
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#define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* Address to send to all hosts */
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#define INADDR_NONE ((in_addr_t)0xffffffff) /* Address indicating an error return */
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#define INADDR_LOOPBACK ((in_addr_t)0x7f000001) /* Inet 127.0.0.1. */
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/* Special initializer for in6_addr_t */
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#define IN6ADDR_ANY_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}}
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#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}}
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/* struct in6_addr union selectors */
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#define s6_addr in6_u.u6_addr8
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#define s6_addr16 in6_u.u6_addr16
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#define s6_addr32 in6_u.u6_addr32
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/* Checks for special IPv6 addresses */
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#define IN6_IS_ADDR_MULTICAST(a) \
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((a)->s6_addr[0] == 0xff)
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#define IN6_IS_ADDR_LOOPBACK(a) \
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((a)->s6_addr32[0] == 0 && \
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(a)->s6_addr32[1] == 0 && \
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(a)->s6_addr32[2] == 0 && \
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(a)->s6_addr32[3] == HTONL(1))
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#define IN6_IS_ADDR_UNSPECIFIED(a) \
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((a)->s6_addr32[0] == 0 && \
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(a)->s6_addr32[1] == 0 && \
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(a)->s6_addr32[2] == 0 && \
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(a)->s6_addr32[3] == 0)
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#define IN6_IS_ADDR_V4MAPPED(a) \
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((a)->s6_addr32[0] == 0 && \
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(a)->s6_addr32[1] == 0 && \
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(a)->s6_addr32[2] == HTONL(0xffff))
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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typedef uint16_t in_port_t;
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/* IPv4 Internet address */
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typedef uint32_t in_addr_t;
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struct in_addr
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{
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in_addr_t s_addr; /* Address (network byte order) */
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};
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struct sockaddr_in
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{
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sa_family_t sin_family; /* Address family: AF_INET */
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uint16_t sin_port; /* Port in network byte order */
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struct in_addr sin_addr; /* Internet address */
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};
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/* IPv6 Internet address */
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struct in6_addr
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{
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union
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{
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uint8_t u6_addr8[16];
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uint16_t u6_addr16[8];
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uint32_t u6_addr32[4];
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} in6_u;
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};
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struct sockaddr_in6
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{
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sa_family_t sin6_family; /* Address family: AF_INET */
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uint16_t sin6_port; /* Port in network byte order */
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struct in6_addr sin6_addr; /* IPv6 internet address */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/* Global IPv6 in6addr_any */
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EXTERN const struct in6_addr in6addr_any;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_NETINET_IN_H */
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