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authorEric Andersen <andersen@codepoet.org>2000-07-06 19:22:49 +0000
committerEric Andersen <andersen@codepoet.org>2000-07-06 19:22:49 +0000
commitffb96c090015f49059d146deefbbd7e1f6baa642 (patch)
tree53229e8793e289f18a7453b144850b6583078c32 /include/netinet/in.h
parentafb85e9d6ca1de8f1ecb267e8c30b88ba4382820 (diff)
Some more major updates to further superate ucLibc from the kernel
headers (the way it has been done in GNU libc). -Erik
Diffstat (limited to 'include/netinet/in.h')
-rw-r--r--include/netinet/in.h289
1 files changed, 260 insertions, 29 deletions
diff --git a/include/netinet/in.h b/include/netinet/in.h
index d666c67ac..3dea92632 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -1,29 +1,66 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with the GNU C Library; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _NETINET_IN_H
-
#define _NETINET_IN_H 1
+
#include <features.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include <sys/types.h>
+#include <bits/socket.h>
-#include <sys/socket.h>
__BEGIN_DECLS
+/* Standard well-defined IP protocols. */
+enum
+ {
+ IPPROTO_IP = 0, /* Dummy protocol for TCP. */
+ IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
+ IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
+ IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */
+ IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */
+ IPPROTO_TCP = 6, /* Transmission Control Protocol. */
+ IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
+ IPPROTO_PUP = 12, /* PUP protocol. */
+ IPPROTO_UDP = 17, /* User Datagram Protocol. */
+ IPPROTO_IDP = 22, /* XNS IDP protocol. */
+ IPPROTO_TP = 29, /* SO Transport Protocol Class 4. */
+ IPPROTO_IPV6 = 41, /* IPv6 header. */
+ IPPROTO_ROUTING = 43, /* IPv6 routing header. */
+ IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
+ IPPROTO_RSVP = 46, /* Reservation Protocol. */
+ IPPROTO_GRE = 47, /* General Routing Encapsulation. */
+ IPPROTO_ESP = 50, /* encapsulating security payload. */
+ IPPROTO_AH = 51, /* authentication header. */
+ IPPROTO_ICMPV6 = 58, /* ICMPv6. */
+ IPPROTO_NONE = 59, /* IPv6 no next header. */
+ IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */
+ IPPROTO_MTP = 92, /* Multicast Transport Protocol. */
+ IPPROTO_ENCAP = 98, /* Encapsulation Header. */
+ IPPROTO_PIM = 103, /* Protocol Independent Multicast. */
+ IPPROTO_COMP = 108, /* Compression Header Protocol. */
+ IPPROTO_RAW = 255, /* Raw IP packets. */
+ IPPROTO_MAX
+ };
+
/* Standard well-known ports. */
enum
{
@@ -65,23 +102,217 @@ enum
};
-/* Link numbers. */
-#define IMPLINK_IP 155
-#define IMPLINK_LOWEXPER 156
-#define IMPLINK_HIGHEXPER 158
+/* Internet address. */
+struct in_addr
+ {
+ uint32_t s_addr;
+ };
+
+
+/* Definitions of the bits in an Internet address integer.
+
+ On subnets, host and network parts are found according to
+ the subnet mask, not these masks. */
+
+#define IN_CLASSA(a) ((((uint32_t) (a)) & 0x80000000) == 0)
+#define IN_CLASSA_NET 0xff000000
+#define IN_CLASSA_NSHIFT 24
+#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
+#define IN_CLASSA_MAX 128
+
+#define IN_CLASSB(a) ((((uint32_t) (a)) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET 0xffff0000
+#define IN_CLASSB_NSHIFT 16
+#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
+#define IN_CLASSB_MAX 65536
+
+#define IN_CLASSC(a) ((((uint32_t) (a)) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET 0xffffff00
+#define IN_CLASSC_NSHIFT 8
+#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
+
+#define IN_CLASSD(a) ((((uint32_t) (a)) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(a) IN_CLASSD(a)
+
+#define IN_EXPERIMENTAL(a) ((((uint32_t) (a)) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(a) ((((uint32_t) (a)) & 0xf0000000) == 0xf0000000)
+
+/* Address to accept any incoming messages. */
+#define INADDR_ANY ((uint32_t) 0x00000000)
+/* Address to send to all hosts. */
+#define INADDR_BROADCAST ((uint32_t) 0xffffffff)
+/* Address indicating an error return. */
+#define INADDR_NONE ((uint32_t) 0xffffffff)
+
+/* Network number for local host loopback. */
+#define IN_LOOPBACKNET 127
+/* Address to loopback in software to local host. */
+#ifndef INADDR_LOOPBACK
+# define INADDR_LOOPBACK ((uint32_t) 0x7f000001) /* Inet 127.0.0.1. */
+#endif
+
+/* Defines for Multicast INADDR. */
+#define INADDR_UNSPEC_GROUP ((uint32_t) 0xe0000000) /* 224.0.0.0 */
+#define INADDR_ALLHOSTS_GROUP ((uint32_t) 0xe0000001) /* 224.0.0.1 */
+#define INADDR_ALLRTRS_GROUP ((uint32_t) 0xe0000002) /* 224.0.0.2 */
+#define INADDR_MAX_LOCAL_GROUP ((uint32_t) 0xe00000ff) /* 224.0.0.255 */
+
+
+/* IPv6 address */
+struct in6_addr
+ {
+ union
+ {
+ uint8_t u6_addr8[16];
+ uint16_t u6_addr16[8];
+ uint32_t u6_addr32[4];
+#if ULONG_MAX > 0xffffffff
+ uint64_t u6_addr64[2];
+#endif
+ } in6_u;
+#define s6_addr in6_u.u6_addr8
+#define s6_addr16 in6_u.u6_addr16
+#define s6_addr32 in6_u.u6_addr32
+#define s6_addr64 in6_u.u6_addr64
+ };
+
+extern const struct in6_addr in6addr_any; /* :: */
+extern const struct in6_addr in6addr_loopback; /* ::1 */
+#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 } } }
+
+#define INET_ADDRSTRLEN 16
+#define INET6_ADDRSTRLEN 46
+
+/* Get the definition of the macro to define the common sockaddr members. */
+#include <bits/sockaddr.h>
+
+
+/* Structure describing an Internet socket address. */
+struct sockaddr_in
+ {
+ __SOCKADDR_COMMON (sin_);
+ uint16_t sin_port; /* Port number. */
+ struct in_addr sin_addr; /* Internet address. */
+
+ /* Pad to size of `struct sockaddr'. */
+ unsigned char sin_zero[sizeof (struct sockaddr) -
+ __SOCKADDR_COMMON_SIZE -
+ sizeof (uint16_t) -
+ sizeof (struct in_addr)];
+ };
+
+/* Ditto, for IPv6. */
+struct sockaddr_in6
+ {
+ __SOCKADDR_COMMON (sin6_);
+ uint16_t sin6_port; /* Transport layer port # */
+ uint32_t sin6_flowinfo; /* IPv6 flow information */
+ struct in6_addr sin6_addr; /* IPv6 address */
+ };
+
+/* IPv6 multicast request. */
+struct ipv6_mreq
+ {
+ /* IPv6 multicast address of group */
+ struct in6_addr ipv6mr_multiaddr;
+
+ /* local interface */
+ unsigned int ipv6mr_interface;
+ };
+
+/* Get system-specific definitions. */
+#include <bits/in.h>
+
+/* Functions to convert between host and network byte order.
+
+ Please note that these functions normally take `unsigned long int' or
+ `unsigned short int' values as arguments and also return them. But
+ this was a short-sighted decision since on different systems the types
+ may have different representations but the values are always the same. */
+
+extern uint32_t ntohl __P ((uint32_t __netlong));
+extern uint16_t ntohs __P ((uint16_t __netshort));
+extern uint32_t htonl __P ((uint32_t __hostlong));
+extern uint16_t htons __P ((uint16_t __hostshort));
+
+#include <endian.h>
+
+/* Get machine dependent optimized versions of byte swapping functions. */
+#include <bits/byteswap.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN && defined __OPTIMIZE__
+/* The host byte order is the same as network byte order,
+ so these functions are all just identity. */
+# define ntohl(x) (x)
+# define ntohs(x) (x)
+# define htonl(x) (x)
+# define htons(x) (x)
+#else
+# if __BYTE_ORDER == __LITTLE_ENDIAN && defined __OPTIMIZE__
+# define ntohl(x) __bswap_32 (x)
+# define ntohs(x) __bswap_16 (x)
+# define htonl(x) __bswap_32 (x)
+# define htons(x) __bswap_16 (x)
+# endif
+#endif
+
+#define IN6_IS_ADDR_UNSPECIFIED(a) \
+ (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
+ ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0)
+#define IN6_IS_ADDR_LOOPBACK(a) \
+ (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
+ ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == htonl (1))
-/*
- * Many other definitions have been moved to <linux/in.h>,
- * because several parts of the kernel need them. -FvK
- */
-#include <linux/in.h>
+#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
-/*
- * Bind a socket to a privileged IP port
- */
-extern int bindresvport __P ((int __sockfd,
- struct sockaddr_in * __sin));
+#define IN6_IS_ADDR_LINKLOCAL(a) \
+ ((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
+
+#define IN6_IS_ADDR_SITELOCAL(a) \
+ ((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
+
+#define IN6_IS_ADDR_V4MAPPED(a) \
+ ((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
+ (((uint32_t *) (a))[2] == htonl (0xffff)))
+
+#define IN6_IS_ADDR_V4COMPAT(a) \
+ ((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
+ (((uint32_t *) (a))[2] == 0) && (ntohl (((uint32_t *) (a))[3]) > 1))
+
+#define IN6_ARE_ADDR_EQUAL(a,b) \
+ ((((uint32_t *) (a))[0] == ((uint32_t *) (b))[0]) && \
+ (((uint32_t *) (a))[1] == ((uint32_t *) (b))[2]) && \
+ (((uint32_t *) (a))[2] == ((uint32_t *) (b))[1]) && \
+ (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
+
+/* Bind socket to a privileged IP port. */
+extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sock_in));
+
+
+
+#define IN6_IS_ADDR_MC_NODELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x1))
+
+#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x2))
+
+#define IN6_IS_ADDR_MC_SITELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x5))
+
+#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x8))
+
+#define IN6_IS_ADDR_MC_GLOBAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0xe))
+
+/* IPv6 packet information. */
+struct in6_pktinfo
+ {
+ struct in6_addr ipi6_addr; /* src/dst IPv6 address */
+ unsigned int ipi6_ifindex; /* send/recv interface index */
+ };
__END_DECLS