-/* Copyright (C) 1991-2001, 2003, 2004, 2006, 2007, 2008, 2011
- Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#ifndef _NETINET_IN_H
#define _NETINET_IN_H 1
#include <features.h>
-#include <stdint.h>
+#include <bits/stdint-uintn.h>
#include <sys/socket.h>
#include <bits/types.h>
__BEGIN_DECLS
+/* Internet address. */
+typedef uint32_t in_addr_t;
+struct in_addr
+ {
+ in_addr_t s_addr;
+ };
+
+/* Get system-specific definitions. */
+#include <bits/in.h>
+
/* Standard well-defined IP protocols. */
enum
{
IPPROTO_IP = 0, /* Dummy protocol for TCP. */
#define IPPROTO_IP IPPROTO_IP
- IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
-#define IPPROTO_HOPOPTS IPPROTO_HOPOPTS
IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
#define IPPROTO_ICMP IPPROTO_ICMP
IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */
#define IPPROTO_DCCP IPPROTO_DCCP
IPPROTO_IPV6 = 41, /* IPv6 header. */
#define IPPROTO_IPV6 IPPROTO_IPV6
- IPPROTO_ROUTING = 43, /* IPv6 routing header. */
-#define IPPROTO_ROUTING IPPROTO_ROUTING
- IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
-#define IPPROTO_FRAGMENT IPPROTO_FRAGMENT
IPPROTO_RSVP = 46, /* Reservation Protocol. */
#define IPPROTO_RSVP IPPROTO_RSVP
IPPROTO_GRE = 47, /* General Routing Encapsulation. */
#define IPPROTO_ESP IPPROTO_ESP
IPPROTO_AH = 51, /* authentication header. */
#define IPPROTO_AH IPPROTO_AH
- IPPROTO_ICMPV6 = 58, /* ICMPv6. */
-#define IPPROTO_ICMPV6 IPPROTO_ICMPV6
- IPPROTO_NONE = 59, /* IPv6 no next header. */
-#define IPPROTO_NONE IPPROTO_NONE
- IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */
-#define IPPROTO_DSTOPTS IPPROTO_DSTOPTS
IPPROTO_MTP = 92, /* Multicast Transport Protocol. */
#define IPPROTO_MTP IPPROTO_MTP
+ IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET. */
+#define IPPROTO_BEETPH IPPROTO_BEETPH
IPPROTO_ENCAP = 98, /* Encapsulation Header. */
#define IPPROTO_ENCAP IPPROTO_ENCAP
IPPROTO_PIM = 103, /* Protocol Independent Multicast. */
#define IPPROTO_SCTP IPPROTO_SCTP
IPPROTO_UDPLITE = 136, /* UDP-Lite protocol. */
#define IPPROTO_UDPLITE IPPROTO_UDPLITE
+ IPPROTO_MPLS = 137, /* MPLS in IP. */
+#define IPPROTO_MPLS IPPROTO_MPLS
+ IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation. */
+#define IPPROTO_ETHERNET IPPROTO_ETHERNET
IPPROTO_RAW = 255, /* Raw IP packets. */
#define IPPROTO_RAW IPPROTO_RAW
+ IPPROTO_MPTCP = 262, /* Multipath TCP connection. */
+#define IPPROTO_MPTCP IPPROTO_MPTCP
IPPROTO_MAX
};
+/* If __USE_KERNEL_IPV6_DEFS is 1 then the user has included the kernel
+ network headers first and we should use those ABI-identical definitions
+ instead of our own, otherwise 0. */
+#if !__USE_KERNEL_IPV6_DEFS
+enum
+ {
+ IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
+#define IPPROTO_HOPOPTS IPPROTO_HOPOPTS
+ IPPROTO_ROUTING = 43, /* IPv6 routing header. */
+#define IPPROTO_ROUTING IPPROTO_ROUTING
+ IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
+#define IPPROTO_FRAGMENT IPPROTO_FRAGMENT
+ IPPROTO_ICMPV6 = 58, /* ICMPv6. */
+#define IPPROTO_ICMPV6 IPPROTO_ICMPV6
+ IPPROTO_NONE = 59, /* IPv6 no next header. */
+#define IPPROTO_NONE IPPROTO_NONE
+ IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */
+#define IPPROTO_DSTOPTS IPPROTO_DSTOPTS
+ IPPROTO_MH = 135 /* IPv6 mobility header. */
+#define IPPROTO_MH IPPROTO_MH
+ };
+#endif /* !__USE_KERNEL_IPV6_DEFS */
/* Type to represent a port. */
typedef uint16_t in_port_t;
IPPORT_USERRESERVED = 5000
};
-
-/* Internet address. */
-typedef uint32_t in_addr_t;
-struct in_addr
- {
- in_addr_t s_addr;
- };
-
-
/* Definitions of the bits in an Internet address integer.
On subnets, host and network parts are found according to
#define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) /* 224.0.0.1 */
#define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) /* 224.0.0.2 */
+#define INADDR_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a) /* 224.0.0.106 */
#define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */
-
+#if !__USE_KERNEL_IPV6_DEFS
/* IPv6 address */
struct in6_addr
{
union
{
uint8_t __u6_addr8[16];
-#if defined __USE_MISC || defined __USE_GNU
uint16_t __u6_addr16[8];
uint32_t __u6_addr32[4];
-#endif
} __in6_u;
#define s6_addr __in6_u.__u6_addr8
-#if defined __USE_MISC || defined __USE_GNU
+#ifdef __USE_MISC
# define s6_addr16 __in6_u.__u6_addr16
# define s6_addr32 __in6_u.__u6_addr32
#endif
};
+#endif /* !__USE_KERNEL_IPV6_DEFS */
extern const struct in6_addr in6addr_any; /* :: */
extern const struct in6_addr in6addr_loopback; /* ::1 */
struct in_addr sin_addr; /* Internet address. */
/* Pad to size of `struct sockaddr'. */
- unsigned char sin_zero[sizeof (struct sockaddr) -
- __SOCKADDR_COMMON_SIZE -
- sizeof (in_port_t) -
- sizeof (struct in_addr)];
+ unsigned char sin_zero[sizeof (struct sockaddr)
+ - __SOCKADDR_COMMON_SIZE
+ - sizeof (in_port_t)
+ - sizeof (struct in_addr)];
};
+#if !__USE_KERNEL_IPV6_DEFS
/* Ditto, for IPv6. */
struct sockaddr_in6
{
struct in6_addr sin6_addr; /* IPv6 address */
uint32_t sin6_scope_id; /* IPv6 scope-id */
};
+#endif /* !__USE_KERNEL_IPV6_DEFS */
-
-#if defined __USE_MISC || defined __USE_GNU
+#ifdef __USE_MISC
/* IPv4 multicast request. */
struct ip_mreq
{
/* IP multicast address of group. */
struct in_addr imr_multiaddr;
- /* IP address of source. */
+ /* IP address of interface. */
struct in_addr imr_interface;
- /* IP address of interface. */
+ /* IP address of source. */
struct in_addr imr_sourceaddr;
};
#endif
-
+#if !__USE_KERNEL_IPV6_DEFS
/* Likewise, for IPv6. */
struct ipv6_mreq
{
/* local interface */
unsigned int ipv6mr_interface;
};
+#endif /* !__USE_KERNEL_IPV6_DEFS */
-
-#if defined __USE_MISC || defined __USE_GNU
+#ifdef __USE_MISC
/* Multicast group request. */
struct group_req
{
* sizeof (struct sockaddr_storage)))
#endif
-
-/* 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
/* Get machine dependent optimized versions of byte swapping functions. */
#include <bits/byteswap.h>
+#include <bits/uintn-identity.h>
#ifdef __OPTIMIZE__
/* We can optimize calls to the conversion functions. Either nothing has
# if __BYTE_ORDER == __BIG_ENDIAN
/* 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)
+# define ntohl(x) __uint32_identity (x)
+# define ntohs(x) __uint16_identity (x)
+# define htonl(x) __uint32_identity (x)
+# define htons(x) __uint16_identity (x)
# else
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define ntohl(x) __bswap_32 (x)
#ifdef __GNUC__
# define IN6_IS_ADDR_UNSPECIFIED(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- __a->s6_addr32[0] == 0 \
- && __a->s6_addr32[1] == 0 \
- && __a->s6_addr32[2] == 0 \
- && __a->s6_addr32[3] == 0; }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ __a->__in6_u.__u6_addr32[0] == 0 \
+ && __a->__in6_u.__u6_addr32[1] == 0 \
+ && __a->__in6_u.__u6_addr32[2] == 0 \
+ && __a->__in6_u.__u6_addr32[3] == 0; }))
# define IN6_IS_ADDR_LOOPBACK(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- __a->s6_addr32[0] == 0 \
- && __a->s6_addr32[1] == 0 \
- && __a->s6_addr32[2] == 0 \
- && __a->s6_addr32[3] == htonl (1); }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ __a->__in6_u.__u6_addr32[0] == 0 \
+ && __a->__in6_u.__u6_addr32[1] == 0 \
+ && __a->__in6_u.__u6_addr32[2] == 0 \
+ && __a->__in6_u.__u6_addr32[3] == htonl (1); }))
# define IN6_IS_ADDR_LINKLOCAL(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfe800000); }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ (__a->__in6_u.__u6_addr32[0] & htonl (0xffc00000)) == htonl (0xfe800000); }))
# define IN6_IS_ADDR_SITELOCAL(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- (__a->s6_addr32[0] & htonl (0xffc00000)) == htonl (0xfec00000); }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ (__a->__in6_u.__u6_addr32[0] & htonl (0xffc00000)) == htonl (0xfec00000); }))
# define IN6_IS_ADDR_V4MAPPED(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- __a->s6_addr32[0] == 0 \
- && __a->s6_addr32[1] == 0 \
- && __a->s6_addr32[2] == htonl (0xffff); }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ __a->__in6_u.__u6_addr32[0] == 0 \
+ && __a->__in6_u.__u6_addr32[1] == 0 \
+ && __a->__in6_u.__u6_addr32[2] == htonl (0xffff); }))
# define IN6_IS_ADDR_V4COMPAT(a) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- __a->s6_addr32[0] == 0 \
- && __a->s6_addr32[1] == 0 \
- && __a->s6_addr32[2] == 0 \
- && ntohl (__a->s6_addr32[3]) > 1; }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ __a->__in6_u.__u6_addr32[0] == 0 \
+ && __a->__in6_u.__u6_addr32[1] == 0 \
+ && __a->__in6_u.__u6_addr32[2] == 0 \
+ && ntohl (__a->__in6_u.__u6_addr32[3]) > 1; }))
# define IN6_ARE_ADDR_EQUAL(a,b) \
(__extension__ \
- ({ __const struct in6_addr *__a = (__const struct in6_addr *) (a); \
- __const struct in6_addr *__b = (__const struct in6_addr *) (b); \
- __a->s6_addr32[0] == __b->s6_addr32[0] \
- && __a->s6_addr32[1] == __b->s6_addr32[1] \
- && __a->s6_addr32[2] == __b->s6_addr32[2] \
- && __a->s6_addr32[3] == __b->s6_addr32[3]; }))
+ ({ const struct in6_addr *__a = (const struct in6_addr *) (a); \
+ const struct in6_addr *__b = (const struct in6_addr *) (b); \
+ __a->__in6_u.__u6_addr32[0] == __b->__in6_u.__u6_addr32[0] \
+ && __a->__in6_u.__u6_addr32[1] == __b->__in6_u.__u6_addr32[1] \
+ && __a->__in6_u.__u6_addr32[2] == __b->__in6_u.__u6_addr32[2] \
+ && __a->__in6_u.__u6_addr32[3] == __b->__in6_u.__u6_addr32[3]; }))
#else
# define IN6_IS_ADDR_UNSPECIFIED(a) \
- (((__const uint32_t *) (a))[0] == 0 \
- && ((__const uint32_t *) (a))[1] == 0 \
- && ((__const uint32_t *) (a))[2] == 0 \
- && ((__const uint32_t *) (a))[3] == 0)
+ (((const uint32_t *) (a))[0] == 0 \
+ && ((const uint32_t *) (a))[1] == 0 \
+ && ((const uint32_t *) (a))[2] == 0 \
+ && ((const uint32_t *) (a))[3] == 0)
# define IN6_IS_ADDR_LOOPBACK(a) \
- (((__const uint32_t *) (a))[0] == 0 \
- && ((__const uint32_t *) (a))[1] == 0 \
- && ((__const uint32_t *) (a))[2] == 0 \
- && ((__const uint32_t *) (a))[3] == htonl (1))
+ (((const uint32_t *) (a))[0] == 0 \
+ && ((const uint32_t *) (a))[1] == 0 \
+ && ((const uint32_t *) (a))[2] == 0 \
+ && ((const uint32_t *) (a))[3] == htonl (1))
# define IN6_IS_ADDR_LINKLOCAL(a) \
- ((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \
+ ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
== htonl (0xfe800000))
# define IN6_IS_ADDR_SITELOCAL(a) \
- ((((__const uint32_t *) (a))[0] & htonl (0xffc00000)) \
+ ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \
== htonl (0xfec00000))
# define IN6_IS_ADDR_V4MAPPED(a) \
- ((((__const uint32_t *) (a))[0] == 0) \
- && (((__const uint32_t *) (a))[1] == 0) \
- && (((__const uint32_t *) (a))[2] == htonl (0xffff)))
+ ((((const uint32_t *) (a))[0] == 0) \
+ && (((const uint32_t *) (a))[1] == 0) \
+ && (((const uint32_t *) (a))[2] == htonl (0xffff)))
# define IN6_IS_ADDR_V4COMPAT(a) \
- ((((__const uint32_t *) (a))[0] == 0) \
- && (((__const uint32_t *) (a))[1] == 0) \
- && (((__const uint32_t *) (a))[2] == 0) \
- && (ntohl (((__const uint32_t *) (a))[3]) > 1))
+ ((((const uint32_t *) (a))[0] == 0) \
+ && (((const uint32_t *) (a))[1] == 0) \
+ && (((const uint32_t *) (a))[2] == 0) \
+ && (ntohl (((const uint32_t *) (a))[3]) > 1))
# define IN6_ARE_ADDR_EQUAL(a,b) \
- ((((__const uint32_t *) (a))[0] == ((__const uint32_t *) (b))[0]) \
- && (((__const uint32_t *) (a))[1] == ((__const uint32_t *) (b))[1]) \
- && (((__const uint32_t *) (a))[2] == ((__const uint32_t *) (b))[2]) \
- && (((__const uint32_t *) (a))[3] == ((__const uint32_t *) (b))[3]))
+ ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) \
+ && (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) \
+ && (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) \
+ && (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3]))
#endif
-#define IN6_IS_ADDR_MULTICAST(a) (((__const uint8_t *) (a))[0] == 0xff)
+#define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff)
-#if defined __USE_MISC || defined __USE_GNU
+#ifdef __USE_MISC
/* Bind socket to a privileged IP port. */
extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __THROW;
#define IN6_IS_ADDR_MC_NODELOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) \
- && ((((__const uint8_t *) (a))[1] & 0xf) == 0x1))
+ && ((((const uint8_t *) (a))[1] & 0xf) == 0x1))
#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) \
- && ((((__const uint8_t *) (a))[1] & 0xf) == 0x2))
+ && ((((const uint8_t *) (a))[1] & 0xf) == 0x2))
#define IN6_IS_ADDR_MC_SITELOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) \
- && ((((__const uint8_t *) (a))[1] & 0xf) == 0x5))
+ && ((((const uint8_t *) (a))[1] & 0xf) == 0x5))
#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) \
- && ((((__const uint8_t *) (a))[1] & 0xf) == 0x8))
+ && ((((const uint8_t *) (a))[1] & 0xf) == 0x8))
#define IN6_IS_ADDR_MC_GLOBAL(a) \
(IN6_IS_ADDR_MULTICAST(a) \
- && ((((__const uint8_t *) (a))[1] & 0xf) == 0xe))
+ && ((((const uint8_t *) (a))[1] & 0xf) == 0xe))
#ifdef __USE_GNU
+struct cmsghdr; /* Forward declaration. */
+
+#if !__USE_KERNEL_IPV6_DEFS
/* IPv6 packet information. */
struct in6_pktinfo
{
struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */
uint32_t ip6m_mtu; /* path MTU in host byte order */
};
-
+#endif /* !__USE_KERNEL_IPV6_DEFS */
/* Obsolete hop-by-hop and Destination Options Processing (RFC 2292). */
extern int inet6_option_space (int __nbytes)
extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp,
int __type) __THROW __attribute_deprecated__;
extern int inet6_option_append (struct cmsghdr *__cmsg,
- __const uint8_t *__typep, int __multx,
+ const uint8_t *__typep, int __multx,
int __plusy) __THROW __attribute_deprecated__;
extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen,
int __multx, int __plusy)
__THROW __attribute_deprecated__;
-extern int inet6_option_next (__const struct cmsghdr *__cmsg,
+extern int inet6_option_next (const struct cmsghdr *__cmsg,
uint8_t **__tptrp)
__THROW __attribute_deprecated__;
-extern int inet6_option_find (__const struct cmsghdr *__cmsg,
+extern int inet6_option_find (const struct cmsghdr *__cmsg,
uint8_t **__tptrp, int __type)
__THROW __attribute_deprecated__;
extern socklen_t inet6_rth_space (int __type, int __segments) __THROW;
extern void *inet6_rth_init (void *__bp, socklen_t __bp_len, int __type,
int __segments) __THROW;
-extern int inet6_rth_add (void *__bp, __const struct in6_addr *__addr) __THROW;
-extern int inet6_rth_reverse (__const void *__in, void *__out) __THROW;
-extern int inet6_rth_segments (__const void *__bp) __THROW;
-extern struct in6_addr *inet6_rth_getaddr (__const void *__bp, int __index)
+extern int inet6_rth_add (void *__bp, const struct in6_addr *__addr) __THROW;
+extern int inet6_rth_reverse (const void *__in, void *__out) __THROW;
+extern int inet6_rth_segments (const void *__bp) __THROW;
+extern struct in6_addr *inet6_rth_getaddr (const void *__bp, int __index)
__THROW;
extern int setipv4sourcefilter (int __s, struct in_addr __interface_addr,
struct in_addr __group, uint32_t __fmode,
uint32_t __numsrc,
- __const struct in_addr *__slist)
+ const struct in_addr *__slist)
__THROW;
/* Get source filter. */
extern int getsourcefilter (int __s, uint32_t __interface_addr,
- __const struct sockaddr *__group,
+ const struct sockaddr *__group,
socklen_t __grouplen, uint32_t *__fmode,
uint32_t *__numsrc,
struct sockaddr_storage *__slist) __THROW;
/* Set source filter. */
extern int setsourcefilter (int __s, uint32_t __interface_addr,
- __const struct sockaddr *__group,
+ const struct sockaddr *__group,
socklen_t __grouplen, uint32_t __fmode,
uint32_t __numsrc,
- __const struct sockaddr_storage *__slist) __THROW;
+ const struct sockaddr_storage *__slist) __THROW;
#endif /* use GNU */
__END_DECLS
projects / thirdparty / glibc.git / blobdiff