[wasi-libc.git] / libc-top-half / musl / include / netinet / in.h

#ifndef	_NETINET_IN_H
#define	_NETINET_IN_H

#ifdef __cplusplus
extern "C" {
#endif

#include <features.h>
#include <inttypes.h>
#include <sys/socket.h>
#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
#else
#include <__header_netinet_in.h>
#endif

typedef uint16_t in_port_t;
typedef uint32_t in_addr_t;
#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
struct in_addr { in_addr_t s_addr; };
#endif

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
struct sockaddr_in {
	sa_family_t sin_family;
	in_port_t sin_port;
	struct in_addr sin_addr;
	uint8_t sin_zero[8];
};
#endif

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
struct in6_addr {
	union {
		uint8_t __s6_addr[16];
		uint16_t __s6_addr16[8];
		uint32_t __s6_addr32[4];
	} __in6_union;
};
#define s6_addr __in6_union.__s6_addr
#define s6_addr16 __in6_union.__s6_addr16
#define s6_addr32 __in6_union.__s6_addr32
#endif

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
struct sockaddr_in6 {
	sa_family_t     sin6_family;
	in_port_t       sin6_port;
	uint32_t        sin6_flowinfo;
	struct in6_addr sin6_addr;
	uint32_t        sin6_scope_id;
};
#endif

struct ipv6_mreq {
	struct in6_addr ipv6mr_multiaddr;
	unsigned        ipv6mr_interface;
};

#define INADDR_ANY        ((in_addr_t) 0x00000000)
#define INADDR_BROADCAST  ((in_addr_t) 0xffffffff)
#define INADDR_NONE       ((in_addr_t) 0xffffffff)
#define INADDR_LOOPBACK   ((in_addr_t) 0x7f000001)

#define INADDR_UNSPEC_GROUP     ((in_addr_t) 0xe0000000)
#define INADDR_ALLHOSTS_GROUP   ((in_addr_t) 0xe0000001)
#define INADDR_ALLRTRS_GROUP    ((in_addr_t) 0xe0000002)
#define INADDR_MAX_LOCAL_GROUP  ((in_addr_t) 0xe00000ff)

#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 } } }

extern const struct in6_addr in6addr_any, in6addr_loopback;

#undef INET_ADDRSTRLEN
#undef INET6_ADDRSTRLEN
#define INET_ADDRSTRLEN  16
#define INET6_ADDRSTRLEN 46

uint32_t htonl(uint32_t);
uint16_t htons(uint16_t);
uint32_t ntohl(uint32_t);
uint16_t ntohs(uint16_t);

#define IPPORT_RESERVED 1024

#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
#define IPPROTO_IP       0
#define IPPROTO_HOPOPTS  0
#define IPPROTO_ICMP     1
#define IPPROTO_IGMP     2
#define IPPROTO_IPIP     4
#define IPPROTO_TCP      6
#define IPPROTO_EGP      8
#define IPPROTO_PUP      12
#define IPPROTO_UDP      17
#define IPPROTO_IDP      22
#define IPPROTO_TP       29
#define IPPROTO_DCCP     33
#define IPPROTO_IPV6     41
#define IPPROTO_ROUTING  43
#define IPPROTO_FRAGMENT 44
#define IPPROTO_RSVP     46
#define IPPROTO_GRE      47
#define IPPROTO_ESP      50
#define IPPROTO_AH       51
#define IPPROTO_ICMPV6   58
#define IPPROTO_NONE     59
#define IPPROTO_DSTOPTS  60
#define IPPROTO_MTP      92
#define IPPROTO_BEETPH   94
#define IPPROTO_ENCAP    98
#define IPPROTO_PIM      103
#define IPPROTO_COMP     108
#define IPPROTO_SCTP     132
#define IPPROTO_MH       135
#define IPPROTO_UDPLITE  136
#define IPPROTO_MPLS     137
#define IPPROTO_RAW      255
#define IPPROTO_MAX      256
#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 && \
         ((uint8_t *) (a))[12] == 0 && ((uint8_t *) (a))[13] == 0 && \
         ((uint8_t *) (a))[14] == 0 && ((uint8_t *) (a))[15] == 1 )

#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)

#define IN6_IS_ADDR_LINKLOCAL(a) \
        ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80)

#define IN6_IS_ADDR_SITELOCAL(a) \
        ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0xc0)

#define IN6_IS_ADDR_V4MAPPED(a) \
        (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
         ((uint8_t *) (a))[8] == 0 && ((uint8_t *) (a))[9] == 0 && \
         ((uint8_t *) (a))[10] == 0xff && ((uint8_t *) (a))[11] == 0xff)

#define IN6_IS_ADDR_V4COMPAT(a) \
        (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
         ((uint32_t *) (a))[2] == 0 && ((uint8_t *) (a))[15] > 1)

#define IN6_IS_ADDR_MC_NODELOCAL(a) \
        (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1))

#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
        (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2))

#define IN6_IS_ADDR_MC_SITELOCAL(a) \
        (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5))

#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
        (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8))

#define IN6_IS_ADDR_MC_GLOBAL(a) \
        (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe))

#define __ARE_4_EQUAL(a,b) \
	(!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) ))
#define IN6_ARE_ADDR_EQUAL(a,b) \
	__ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b))

#define	IN_CLASSA(a)		((((in_addr_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)		((((in_addr_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)		((((in_addr_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)		((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
#define	IN_MULTICAST(a)		IN_CLASSD(a)
#define	IN_EXPERIMENTAL(a)	((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
#define	IN_BADCLASS(a)		((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)

#define IN_LOOPBACKNET 127


#define IP_TOS             1
#define IP_TTL             2
#define IP_HDRINCL         3
#define IP_OPTIONS         4
#define IP_ROUTER_ALERT    5
#define IP_RECVOPTS        6
#define IP_RETOPTS         7
#define IP_PKTINFO         8
#define IP_PKTOPTIONS      9
#define IP_PMTUDISC        10
#define IP_MTU_DISCOVER    10
#define IP_RECVERR         11
#define IP_RECVTTL         12
#define IP_RECVTOS         13
#define IP_MTU             14
#define IP_FREEBIND        15
#define IP_IPSEC_POLICY    16
#define IP_XFRM_POLICY     17
#define IP_PASSSEC         18
#define IP_TRANSPARENT     19
#define IP_ORIGDSTADDR     20
#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
#define IP_MINTTL          21
#define IP_NODEFRAG        22
#define IP_CHECKSUM        23
#define IP_BIND_ADDRESS_NO_PORT 24
#define IP_RECVFRAGSIZE    25
#define IP_MULTICAST_IF    32
#define IP_MULTICAST_TTL   33
#define IP_MULTICAST_LOOP  34
#define IP_ADD_MEMBERSHIP  35
#define IP_DROP_MEMBERSHIP 36
#define IP_UNBLOCK_SOURCE  37
#define IP_BLOCK_SOURCE    38
#define IP_ADD_SOURCE_MEMBERSHIP  39
#define IP_DROP_SOURCE_MEMBERSHIP 40
#define IP_MSFILTER        41
#define IP_MULTICAST_ALL   49
#define IP_UNICAST_IF      50

#define IP_RECVRETOPTS IP_RETOPTS

#define IP_PMTUDISC_DONT   0
#define IP_PMTUDISC_WANT   1
#define IP_PMTUDISC_DO     2
#define IP_PMTUDISC_PROBE  3
#define IP_PMTUDISC_INTERFACE 4
#define IP_PMTUDISC_OMIT   5

#define IP_DEFAULT_MULTICAST_TTL        1
#define IP_DEFAULT_MULTICAST_LOOP       1
#define IP_MAX_MEMBERSHIPS              20

struct ip_opts {
	struct in_addr ip_dst;
	char ip_opts[40];
};

#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)

#define MCAST_JOIN_GROUP   42
#define MCAST_BLOCK_SOURCE 43
#define MCAST_UNBLOCK_SOURCE      44
#define MCAST_LEAVE_GROUP  45
#define MCAST_JOIN_SOURCE_GROUP   46
#define MCAST_LEAVE_SOURCE_GROUP  47
#define MCAST_MSFILTER     48

#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1

struct ip_mreq {
	struct in_addr imr_multiaddr;
	struct in_addr imr_interface;
};

struct ip_mreqn {
	struct in_addr imr_multiaddr;
	struct in_addr imr_address;
	int imr_ifindex;
};

struct ip_mreq_source {
	struct in_addr imr_multiaddr;
	struct in_addr imr_interface;
	struct in_addr imr_sourceaddr;
};

struct ip_msfilter {
	struct in_addr imsf_multiaddr;
	struct in_addr imsf_interface;
	uint32_t imsf_fmode;
	uint32_t imsf_numsrc;
	struct in_addr imsf_slist[1];
};
#define IP_MSFILTER_SIZE(numsrc) \
	(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
	+ (numsrc) * sizeof(struct in_addr))

struct group_req {
	uint32_t gr_interface;
	struct sockaddr_storage gr_group;
};

struct group_source_req {
	uint32_t gsr_interface;
	struct sockaddr_storage gsr_group;
	struct sockaddr_storage gsr_source;
};

struct group_filter {
	uint32_t gf_interface;
	struct sockaddr_storage gf_group;
	uint32_t gf_fmode;
	uint32_t gf_numsrc;
	struct sockaddr_storage gf_slist[1];
};
#define GROUP_FILTER_SIZE(numsrc) \
	(sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
	+ (numsrc) * sizeof(struct sockaddr_storage))

struct in_pktinfo {
	int ipi_ifindex;
	struct in_addr ipi_spec_dst;
	struct in_addr ipi_addr;
};

struct in6_pktinfo {
	struct in6_addr ipi6_addr;
	unsigned ipi6_ifindex;
};

struct ip6_mtuinfo {
	struct sockaddr_in6 ip6m_addr;
	uint32_t ip6m_mtu;
};
#endif

#define IPV6_ADDRFORM           1
#define IPV6_2292PKTINFO        2
#define IPV6_2292HOPOPTS        3
#define IPV6_2292DSTOPTS        4
#define IPV6_2292RTHDR          5
#define IPV6_2292PKTOPTIONS     6
#define IPV6_CHECKSUM           7
#define IPV6_2292HOPLIMIT       8
#define IPV6_NEXTHOP            9
#define IPV6_AUTHHDR            10
#define IPV6_UNICAST_HOPS       16
#define IPV6_MULTICAST_IF       17
#define IPV6_MULTICAST_HOPS     18
#define IPV6_MULTICAST_LOOP     19
#define IPV6_JOIN_GROUP         20
#define IPV6_LEAVE_GROUP        21
#define IPV6_ROUTER_ALERT       22
#define IPV6_MTU_DISCOVER       23
#define IPV6_MTU                24
#define IPV6_RECVERR            25
#define IPV6_V6ONLY             26
#define IPV6_JOIN_ANYCAST       27
#define IPV6_LEAVE_ANYCAST      28
#define IPV6_IPSEC_POLICY       34
#define IPV6_XFRM_POLICY        35
#define IPV6_HDRINCL            36

#define IPV6_RECVPKTINFO        49
#define IPV6_PKTINFO            50
#define IPV6_RECVHOPLIMIT       51
#define IPV6_HOPLIMIT           52
#define IPV6_RECVHOPOPTS        53
#define IPV6_HOPOPTS            54
#define IPV6_RTHDRDSTOPTS       55
#define IPV6_RECVRTHDR          56
#define IPV6_RTHDR              57
#define IPV6_RECVDSTOPTS        58
#define IPV6_DSTOPTS            59
#define IPV6_RECVPATHMTU        60
#define IPV6_PATHMTU            61
#define IPV6_DONTFRAG           62
#define IPV6_RECVTCLASS         66
#define IPV6_TCLASS             67
#define IPV6_AUTOFLOWLABEL      70
#define IPV6_ADDR_PREFERENCES   72
#define IPV6_MINHOPCOUNT        73
#define IPV6_ORIGDSTADDR        74
#define IPV6_RECVORIGDSTADDR    IPV6_ORIGDSTADDR
#define IPV6_TRANSPARENT        75
#define IPV6_UNICAST_IF         76
#define IPV6_RECVFRAGSIZE       77
#define IPV6_FREEBIND           78

#define IPV6_ADD_MEMBERSHIP     IPV6_JOIN_GROUP
#define IPV6_DROP_MEMBERSHIP    IPV6_LEAVE_GROUP
#define IPV6_RXHOPOPTS          IPV6_HOPOPTS
#define IPV6_RXDSTOPTS          IPV6_DSTOPTS

#define IPV6_PMTUDISC_DONT      0
#define IPV6_PMTUDISC_WANT      1
#define IPV6_PMTUDISC_DO        2
#define IPV6_PMTUDISC_PROBE     3
#define IPV6_PMTUDISC_INTERFACE 4
#define IPV6_PMTUDISC_OMIT      5

#define IPV6_PREFER_SRC_TMP            0x0001
#define IPV6_PREFER_SRC_PUBLIC         0x0002
#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
#define IPV6_PREFER_SRC_COA            0x0004
#define IPV6_PREFER_SRC_HOME           0x0400
#define IPV6_PREFER_SRC_CGA            0x0008
#define IPV6_PREFER_SRC_NONCGA         0x0800

#define IPV6_RTHDR_LOOSE        0
#define IPV6_RTHDR_STRICT       1

#define IPV6_RTHDR_TYPE_0       0

#define __UAPI_DEF_IN_ADDR      0
#define __UAPI_DEF_IN_IPPROTO   0
#define __UAPI_DEF_IN_PKTINFO   0
#define __UAPI_DEF_IP_MREQ      0
#define __UAPI_DEF_SOCKADDR_IN  0
#define __UAPI_DEF_IN_CLASS     0
#define __UAPI_DEF_IN6_ADDR     0
#define __UAPI_DEF_IN6_ADDR_ALT 0
#define __UAPI_DEF_SOCKADDR_IN6 0
#define __UAPI_DEF_IPV6_MREQ    0
#define __UAPI_DEF_IPPROTO_V6   0
#define __UAPI_DEF_IPV6_OPTIONS 0
#define __UAPI_DEF_IN6_PKTINFO  0
#define __UAPI_DEF_IP6_MTUINFO  0

#ifdef __cplusplus
}
#endif

#endif
Commit	Line	Data
320054e8 DG	1	#ifndef _NETINET_IN_H
	2	#define _NETINET_IN_H
	3
	4	#ifdef __cplusplus
	5	extern "C" {
	6	#endif
	7
	8	#include <features.h>
	9	#include <inttypes.h>
	10	#include <sys/socket.h>
e5f14be3	11	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	12	#else
	13	#include <__header_netinet_in.h>
	14	#endif
	15
	16	typedef uint16_t in_port_t;
	17	typedef uint32_t in_addr_t;
e5f14be3	18	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	19	struct in_addr { in_addr_t s_addr; };
	20	#endif
	21
e5f14be3	22	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	23	struct sockaddr_in {
	24	sa_family_t sin_family;
	25	in_port_t sin_port;
	26	struct in_addr sin_addr;
	27	uint8_t sin_zero[8];
	28	};
	29	#endif
	30
e5f14be3	31	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	32	struct in6_addr {
	33	union {
	34	uint8_t __s6_addr[16];
	35	uint16_t __s6_addr16[8];
	36	uint32_t __s6_addr32[4];
	37	} __in6_union;
	38	};
	39	#define s6_addr __in6_union.__s6_addr
	40	#define s6_addr16 __in6_union.__s6_addr16
	41	#define s6_addr32 __in6_union.__s6_addr32
	42	#endif
	43
e5f14be3	44	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	45	struct sockaddr_in6 {
	46	sa_family_t sin6_family;
	47	in_port_t sin6_port;
	48	uint32_t sin6_flowinfo;
	49	struct in6_addr sin6_addr;
	50	uint32_t sin6_scope_id;
	51	};
	52	#endif
	53
	54	struct ipv6_mreq {
	55	struct in6_addr ipv6mr_multiaddr;
	56	unsigned ipv6mr_interface;
	57	};
	58
	59	#define INADDR_ANY ((in_addr_t) 0x00000000)
	60	#define INADDR_BROADCAST ((in_addr_t) 0xffffffff)
	61	#define INADDR_NONE ((in_addr_t) 0xffffffff)
	62	#define INADDR_LOOPBACK ((in_addr_t) 0x7f000001)
	63
	64	#define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000)
	65	#define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001)
	66	#define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002)
	67	#define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff)
	68
	69	#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
	70	#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
	71
	72	extern const struct in6_addr in6addr_any, in6addr_loopback;
	73
	74	#undef INET_ADDRSTRLEN
	75	#undef INET6_ADDRSTRLEN
	76	#define INET_ADDRSTRLEN 16
	77	#define INET6_ADDRSTRLEN 46
	78
	79	uint32_t htonl(uint32_t);
	80	uint16_t htons(uint16_t);
	81	uint32_t ntohl(uint32_t);
	82	uint16_t ntohs(uint16_t);
	83
	84	#define IPPORT_RESERVED 1024
	85
e5f14be3	86	#ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
320054e8 DG	87	#define IPPROTO_IP 0
	88	#define IPPROTO_HOPOPTS 0
	89	#define IPPROTO_ICMP 1
	90	#define IPPROTO_IGMP 2
	91	#define IPPROTO_IPIP 4
	92	#define IPPROTO_TCP 6
	93	#define IPPROTO_EGP 8
	94	#define IPPROTO_PUP 12
	95	#define IPPROTO_UDP 17
	96	#define IPPROTO_IDP 22
	97	#define IPPROTO_TP 29
	98	#define IPPROTO_DCCP 33
	99	#define IPPROTO_IPV6 41
	100	#define IPPROTO_ROUTING 43
	101	#define IPPROTO_FRAGMENT 44
	102	#define IPPROTO_RSVP 46
	103	#define IPPROTO_GRE 47
	104	#define IPPROTO_ESP 50
	105	#define IPPROTO_AH 51
	106	#define IPPROTO_ICMPV6 58
	107	#define IPPROTO_NONE 59
	108	#define IPPROTO_DSTOPTS 60
	109	#define IPPROTO_MTP 92
	110	#define IPPROTO_BEETPH 94
	111	#define IPPROTO_ENCAP 98
	112	#define IPPROTO_PIM 103
	113	#define IPPROTO_COMP 108
	114	#define IPPROTO_SCTP 132
	115	#define IPPROTO_MH 135
	116	#define IPPROTO_UDPLITE 136
	117	#define IPPROTO_MPLS 137
	118	#define IPPROTO_RAW 255
	119	#define IPPROTO_MAX 256
	120	#endif
	121
	122	#define IN6_IS_ADDR_UNSPECIFIED(a) \
	123	(((uint32_t ) (a))[0] == 0 && ((uint32_t ) (a))[1] == 0 && \
	124	((uint32_t ) (a))[2] == 0 && ((uint32_t ) (a))[3] == 0)
	125
	126	#define IN6_IS_ADDR_LOOPBACK(a) \
	127	(((uint32_t ) (a))[0] == 0 && ((uint32_t ) (a))[1] == 0 && \
	128	((uint32_t *) (a))[2] == 0 && \
	129	((uint8_t ) (a))[12] == 0 && ((uint8_t ) (a))[13] == 0 && \
	130	((uint8_t ) (a))[14] == 0 && ((uint8_t ) (a))[15] == 1 )
	131
	132	#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
	133
	134	#define IN6_IS_ADDR_LINKLOCAL(a) \
	135	((((uint8_t ) (a))[0]) == 0xfe && (((uint8_t ) (a))[1] & 0xc0) == 0x80)
	136
	137	#define IN6_IS_ADDR_SITELOCAL(a) \
	138	((((uint8_t ) (a))[0]) == 0xfe && (((uint8_t ) (a))[1] & 0xc0) == 0xc0)
	139
	140	#define IN6_IS_ADDR_V4MAPPED(a) \
	141	(((uint32_t ) (a))[0] == 0 && ((uint32_t ) (a))[1] == 0 && \
	142	((uint8_t ) (a))[8] == 0 && ((uint8_t ) (a))[9] == 0 && \
	143	((uint8_t ) (a))[10] == 0xff && ((uint8_t ) (a))[11] == 0xff)
	144
	145	#define IN6_IS_ADDR_V4COMPAT(a) \
	146	(((uint32_t ) (a))[0] == 0 && ((uint32_t ) (a))[1] == 0 && \
	147	((uint32_t ) (a))[2] == 0 && ((uint8_t ) (a))[15] > 1)
	148
	149	#define IN6_IS_ADDR_MC_NODELOCAL(a) \
	150	(IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1))
151
152	#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
153	(IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2))
154
155	#define IN6_IS_ADDR_MC_SITELOCAL(a) \
156	(IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5))
157
158	#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
159	(IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8))
160
161	#define IN6_IS_ADDR_MC_GLOBAL(a) \
162	(IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe))
163
164	#define __ARE_4_EQUAL(a,b) \
165	(!( (0[a]-0[b]) \| (1[a]-1[b]) \| (2[a]-2[b]) \| (3[a]-3[b]) ))
166	#define IN6_ARE_ADDR_EQUAL(a,b) \
167	__ARE_4_EQUAL((const uint32_t )(a), (const uint32_t )(b))
168
169	#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0)
170	#define IN_CLASSA_NET 0xff000000
171	#define IN_CLASSA_NSHIFT 24
172	#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
173	#define IN_CLASSA_MAX 128
174	#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000)
175	#define IN_CLASSB_NET 0xffff0000
176	#define IN_CLASSB_NSHIFT 16
177	#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
178	#define IN_CLASSB_MAX 65536
179	#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
180	#define IN_CLASSC_NET 0xffffff00
181	#define IN_CLASSC_NSHIFT 8
182	#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
183	#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
184	#define IN_MULTICAST(a) IN_CLASSD(a)
185	#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
186	#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
187
188	#define IN_LOOPBACKNET 127
189
190
191	#define IP_TOS 1
192	#define IP_TTL 2
193	#define IP_HDRINCL 3
194	#define IP_OPTIONS 4
195	#define IP_ROUTER_ALERT 5
196	#define IP_RECVOPTS 6
197	#define IP_RETOPTS 7
198	#define IP_PKTINFO 8
199	#define IP_PKTOPTIONS 9
200	#define IP_PMTUDISC 10
201	#define IP_MTU_DISCOVER 10
202	#define IP_RECVERR 11
203	#define IP_RECVTTL 12
204	#define IP_RECVTOS 13
205	#define IP_MTU 14
206	#define IP_FREEBIND 15
207	#define IP_IPSEC_POLICY 16
208	#define IP_XFRM_POLICY 17
209	#define IP_PASSSEC 18
210	#define IP_TRANSPARENT 19
211	#define IP_ORIGDSTADDR 20
212	#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
213	#define IP_MINTTL 21
214	#define IP_NODEFRAG 22
215	#define IP_CHECKSUM 23
216	#define IP_BIND_ADDRESS_NO_PORT 24
217	#define IP_RECVFRAGSIZE 25
218	#define IP_MULTICAST_IF 32
219	#define IP_MULTICAST_TTL 33
220	#define IP_MULTICAST_LOOP 34
221	#define IP_ADD_MEMBERSHIP 35
222	#define IP_DROP_MEMBERSHIP 36
223	#define IP_UNBLOCK_SOURCE 37
224	#define IP_BLOCK_SOURCE 38
225	#define IP_ADD_SOURCE_MEMBERSHIP 39
226	#define IP_DROP_SOURCE_MEMBERSHIP 40
227	#define IP_MSFILTER 41
228	#define IP_MULTICAST_ALL 49
229	#define IP_UNICAST_IF 50
230
231	#define IP_RECVRETOPTS IP_RETOPTS
232
233	#define IP_PMTUDISC_DONT 0
234	#define IP_PMTUDISC_WANT 1
235	#define IP_PMTUDISC_DO 2
236	#define IP_PMTUDISC_PROBE 3
237	#define IP_PMTUDISC_INTERFACE 4
238	#define IP_PMTUDISC_OMIT 5
239
240	#define IP_DEFAULT_MULTICAST_TTL 1
241	#define IP_DEFAULT_MULTICAST_LOOP 1
242	#define IP_MAX_MEMBERSHIPS 20
243
244	struct ip_opts {
245	struct in_addr ip_dst;
246	char ip_opts[40];
247	};
248
249	#if defined(_GNU_SOURCE) \|\| defined(_BSD_SOURCE)
250
251	#define MCAST_JOIN_GROUP 42
252	#define MCAST_BLOCK_SOURCE 43
253	#define MCAST_UNBLOCK_SOURCE 44
254	#define MCAST_LEAVE_GROUP 45
255	#define MCAST_JOIN_SOURCE_GROUP 46
256	#define MCAST_LEAVE_SOURCE_GROUP 47
257	#define MCAST_MSFILTER 48
258
259	#define MCAST_EXCLUDE 0
260	#define MCAST_INCLUDE 1
261
262	struct ip_mreq {
263	struct in_addr imr_multiaddr;
264	struct in_addr imr_interface;
265	};
266
267	struct ip_mreqn {
268	struct in_addr imr_multiaddr;
269	struct in_addr imr_address;
270	int imr_ifindex;
271	};
272
273	struct ip_mreq_source {
274	struct in_addr imr_multiaddr;
275	struct in_addr imr_interface;
276	struct in_addr imr_sourceaddr;
277	};
278
279	struct ip_msfilter {
280	struct in_addr imsf_multiaddr;
281	struct in_addr imsf_interface;
282	uint32_t imsf_fmode;
283	uint32_t imsf_numsrc;
284	struct in_addr imsf_slist[1];
285	};
286	#define IP_MSFILTER_SIZE(numsrc) \
287	(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
288	+ (numsrc) * sizeof(struct in_addr))
289
290	struct group_req {
291	uint32_t gr_interface;
292	struct sockaddr_storage gr_group;
293	};
294
295	struct group_source_req {
296	uint32_t gsr_interface;
297	struct sockaddr_storage gsr_group;
298	struct sockaddr_storage gsr_source;
299	};
300
301	struct group_filter {
302	uint32_t gf_interface;
303	struct sockaddr_storage gf_group;
304	uint32_t gf_fmode;
305	uint32_t gf_numsrc;
306	struct sockaddr_storage gf_slist[1];
307	};
308	#define GROUP_FILTER_SIZE(numsrc) \
309	(sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
310	+ (numsrc) * sizeof(struct sockaddr_storage))
311
312	struct in_pktinfo {
313	int ipi_ifindex;
314	struct in_addr ipi_spec_dst;
315	struct in_addr ipi_addr;
316	};
317
318	struct in6_pktinfo {
319	struct in6_addr ipi6_addr;
320	unsigned ipi6_ifindex;
321	};
322
323	struct ip6_mtuinfo {
324	struct sockaddr_in6 ip6m_addr;
325	uint32_t ip6m_mtu;
326	};
327	#endif
328
329	#define IPV6_ADDRFORM 1
330	#define IPV6_2292PKTINFO 2
331	#define IPV6_2292HOPOPTS 3
332	#define IPV6_2292DSTOPTS 4
333	#define IPV6_2292RTHDR 5
334	#define IPV6_2292PKTOPTIONS 6
335	#define IPV6_CHECKSUM 7
336	#define IPV6_2292HOPLIMIT 8
337	#define IPV6_NEXTHOP 9
338	#define IPV6_AUTHHDR 10
339	#define IPV6_UNICAST_HOPS 16
340	#define IPV6_MULTICAST_IF 17
341	#define IPV6_MULTICAST_HOPS 18
342	#define IPV6_MULTICAST_LOOP 19
343	#define IPV6_JOIN_GROUP 20
344	#define IPV6_LEAVE_GROUP 21
345	#define IPV6_ROUTER_ALERT 22
346	#define IPV6_MTU_DISCOVER 23
347	#define IPV6_MTU 24
348	#define IPV6_RECVERR 25
349	#define IPV6_V6ONLY 26
350	#define IPV6_JOIN_ANYCAST 27
351	#define IPV6_LEAVE_ANYCAST 28
352	#define IPV6_IPSEC_POLICY 34
353	#define IPV6_XFRM_POLICY 35
354	#define IPV6_HDRINCL 36
355
356	#define IPV6_RECVPKTINFO 49
357	#define IPV6_PKTINFO 50
358	#define IPV6_RECVHOPLIMIT 51
359	#define IPV6_HOPLIMIT 52
360	#define IPV6_RECVHOPOPTS 53
361	#define IPV6_HOPOPTS 54
362	#define IPV6_RTHDRDSTOPTS 55
363	#define IPV6_RECVRTHDR 56
364	#define IPV6_RTHDR 57
365	#define IPV6_RECVDSTOPTS 58
366	#define IPV6_DSTOPTS 59
367	#define IPV6_RECVPATHMTU 60
368	#define IPV6_PATHMTU 61
369	#define IPV6_DONTFRAG 62
370	#define IPV6_RECVTCLASS 66
371	#define IPV6_TCLASS 67
372	#define IPV6_AUTOFLOWLABEL 70
373	#define IPV6_ADDR_PREFERENCES 72
374	#define IPV6_MINHOPCOUNT 73
375	#define IPV6_ORIGDSTADDR 74
376	#define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR
377	#define IPV6_TRANSPARENT 75
378	#define IPV6_UNICAST_IF 76
379	#define IPV6_RECVFRAGSIZE 77
380	#define IPV6_FREEBIND 78
381
382	#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
383	#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
384	#define IPV6_RXHOPOPTS IPV6_HOPOPTS
385	#define IPV6_RXDSTOPTS IPV6_DSTOPTS
386
387	#define IPV6_PMTUDISC_DONT 0
388	#define IPV6_PMTUDISC_WANT 1
389	#define IPV6_PMTUDISC_DO 2
390	#define IPV6_PMTUDISC_PROBE 3
391	#define IPV6_PMTUDISC_INTERFACE 4
392	#define IPV6_PMTUDISC_OMIT 5
393
394	#define IPV6_PREFER_SRC_TMP 0x0001
395	#define IPV6_PREFER_SRC_PUBLIC 0x0002
396	#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
397	#define IPV6_PREFER_SRC_COA 0x0004
398	#define IPV6_PREFER_SRC_HOME 0x0400
399	#define IPV6_PREFER_SRC_CGA 0x0008
400	#define IPV6_PREFER_SRC_NONCGA 0x0800
401
402	#define IPV6_RTHDR_LOOSE 0
403	#define IPV6_RTHDR_STRICT 1
404
405	#define IPV6_RTHDR_TYPE_0 0
406
407	#define __UAPI_DEF_IN_ADDR 0
408	#define __UAPI_DEF_IN_IPPROTO 0
409	#define __UAPI_DEF_IN_PKTINFO 0
410	#define __UAPI_DEF_IP_MREQ 0
411	#define __UAPI_DEF_SOCKADDR_IN 0
412	#define __UAPI_DEF_IN_CLASS 0
413	#define __UAPI_DEF_IN6_ADDR 0
414	#define __UAPI_DEF_IN6_ADDR_ALT 0
415	#define __UAPI_DEF_SOCKADDR_IN6 0
416	#define __UAPI_DEF_IPV6_MREQ 0
417	#define __UAPI_DEF_IPPROTO_V6 0
418	#define __UAPI_DEF_IPV6_OPTIONS 0
419	#define __UAPI_DEF_IN6_PKTINFO 0
420	#define __UAPI_DEF_IP6_MTUINFO 0
421
422	#ifdef __cplusplus
423	}
424	#endif
425
426	#endif