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1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1997 Kunihiro Ishiguro
7 #ifndef _ZEBRA_SOCKUNION_H
8 #define _ZEBRA_SOCKUNION_H
14 #include <netmpls/mpls.h>
23 struct sockaddr_in sin
;
24 struct sockaddr_in6 sin6
;
25 struct sockaddr_un sun
;
27 struct sockaddr_mpls smpls
;
28 struct sockaddr_rtlabel rtlabel
;
32 enum connect_result
{ connect_error
, connect_success
, connect_in_progress
};
34 /* Default address family. */
35 #define AF_INET_UNION AF_INET6
37 /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
38 #define SU_ADDRSTRLEN 46
40 /* Macro to set link local index to the IPv6 address. For KAME IPv6
43 #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
44 #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
46 (a).s6_addr[2] = ((i) >> 8) & 0xff; \
47 (a).s6_addr[3] = (i)&0xff; \
50 #define IN6_LINKLOCAL_IFINDEX(a)
51 #define SET_IN6_LINKLOCAL_IFINDEX(a, i)
54 #define sockunion_family(X) (X)->sa.sa_family
56 #define sockunion2ip(X) (X)->sin.sin_addr.s_addr
59 extern int str2sockunion(const char *, union sockunion
*);
60 extern const char *sockunion2str(const union sockunion
*, char *, size_t);
61 int in6addr_cmp(const struct in6_addr
*addr1
, const struct in6_addr
*addr2
);
62 extern int sockunion_cmp(const union sockunion
*, const union sockunion
*);
63 extern int sockunion_same(const union sockunion
*, const union sockunion
*);
64 extern unsigned int sockunion_hash(const union sockunion
*);
66 extern size_t family2addrsize(int family
);
67 extern size_t sockunion_get_addrlen(const union sockunion
*);
68 extern const uint8_t *sockunion_get_addr(const union sockunion
*);
69 extern void sockunion_set(union sockunion
*, int family
, const uint8_t *addr
,
72 extern union sockunion
*sockunion_str2su(const char *str
);
73 extern int sockunion_accept(int sock
, union sockunion
*);
74 extern int sockunion_sizeof(const union sockunion
*su
);
75 extern int sockunion_stream_socket(union sockunion
*);
76 extern int sockopt_reuseaddr(int);
77 extern int sockopt_reuseport(int);
78 extern int sockopt_v6only(int family
, int sock
);
79 extern int sockunion_bind(int sock
, union sockunion
*, unsigned short,
81 extern int sockopt_ttl(int family
, int sock
, int ttl
);
82 extern int sockopt_minttl(int family
, int sock
, int minttl
);
83 extern int sockunion_socket(const union sockunion
*su
);
84 extern const char *inet_sutop(const union sockunion
*su
, char *str
);
85 extern enum connect_result
sockunion_connect(int fd
, const union sockunion
*su
,
86 unsigned short port
, ifindex_t
);
87 extern union sockunion
*sockunion_getsockname(int);
88 extern union sockunion
*sockunion_getpeername(int);
89 extern union sockunion
*sockunion_dup(const union sockunion
*);
90 extern void sockunion_free(union sockunion
*);
91 extern void sockunion_init(union sockunion
*);
92 extern int sockunion_is_null(const union sockunion
*su
);
94 #ifdef _FRR_ATTRIBUTE_PRINTFRR
95 #pragma FRR printfrr_ext "%pSU" (union sockunion *)
96 #pragma FRR printfrr_ext "%pSU" (struct sockaddr *)
97 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_storage *)
98 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in *)
99 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in6 *)
100 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_un *)
102 /* AF_INET/PF_INET & co., using "PF" to avoid confusion with AFI/SAFI */
103 #pragma FRR printfrr_ext "%dPF" (int)
104 /* SOCK_STREAM & co. */
105 #pragma FRR printfrr_ext "%dSO" (int)
112 #endif /* _ZEBRA_SOCKUNION_H */