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3 * Copyright (c) 1997 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; see the file COPYING; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef _ZEBRA_SOCKUNION_H
23 #define _ZEBRA_SOCKUNION_H
29 #include <netmpls/mpls.h>
38 struct sockaddr_in sin
;
39 struct sockaddr_in6 sin6
;
40 struct sockaddr_un sun
;
42 struct sockaddr_mpls smpls
;
43 struct sockaddr_rtlabel rtlabel
;
47 enum connect_result
{ connect_error
, connect_success
, connect_in_progress
};
49 /* Default address family. */
50 #define AF_INET_UNION AF_INET6
52 /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
53 #define SU_ADDRSTRLEN 46
55 /* Macro to set link local index to the IPv6 address. For KAME IPv6
58 #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
59 #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
61 (a).s6_addr[2] = ((i) >> 8) & 0xff; \
62 (a).s6_addr[3] = (i)&0xff; \
65 #define IN6_LINKLOCAL_IFINDEX(a)
66 #define SET_IN6_LINKLOCAL_IFINDEX(a, i)
69 #define sockunion_family(X) (X)->sa.sa_family
71 #define sockunion2ip(X) (X)->sin.sin_addr.s_addr
74 extern int str2sockunion(const char *, union sockunion
*);
75 extern const char *sockunion2str(const union sockunion
*, char *, size_t);
76 int in6addr_cmp(const struct in6_addr
*addr1
, const struct in6_addr
*addr2
);
77 extern int sockunion_cmp(const union sockunion
*, const union sockunion
*);
78 extern int sockunion_same(const union sockunion
*, const union sockunion
*);
79 extern unsigned int sockunion_hash(const union sockunion
*);
81 extern size_t family2addrsize(int family
);
82 extern size_t sockunion_get_addrlen(const union sockunion
*);
83 extern const uint8_t *sockunion_get_addr(const union sockunion
*);
84 extern void sockunion_set(union sockunion
*, int family
, const uint8_t *addr
,
87 extern union sockunion
*sockunion_str2su(const char *str
);
88 extern int sockunion_accept(int sock
, union sockunion
*);
89 extern int sockunion_sizeof(const union sockunion
*su
);
90 extern int sockunion_stream_socket(union sockunion
*);
91 extern int sockopt_reuseaddr(int);
92 extern int sockopt_reuseport(int);
93 extern int sockopt_v6only(int family
, int sock
);
94 extern int sockunion_bind(int sock
, union sockunion
*, unsigned short,
96 extern int sockopt_ttl(int family
, int sock
, int ttl
);
97 extern int sockopt_minttl(int family
, int sock
, int minttl
);
98 extern int sockunion_socket(const union sockunion
*su
);
99 extern const char *inet_sutop(const union sockunion
*su
, char *str
);
100 extern enum connect_result
sockunion_connect(int fd
, const union sockunion
*su
,
101 unsigned short port
, ifindex_t
);
102 extern union sockunion
*sockunion_getsockname(int);
103 extern union sockunion
*sockunion_getpeername(int);
104 extern union sockunion
*sockunion_dup(const union sockunion
*);
105 extern void sockunion_free(union sockunion
*);
106 extern void sockunion_init(union sockunion
*);
107 extern int sockunion_is_null(const union sockunion
*su
);
109 #ifdef _FRR_ATTRIBUTE_PRINTFRR
110 #pragma FRR printfrr_ext "%pSU" (union sockunion *)
111 #pragma FRR printfrr_ext "%pSU" (struct sockaddr *)
112 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_storage *)
113 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in *)
114 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_in6 *)
115 #pragma FRR printfrr_ext "%pSU" (struct sockaddr_un *)
117 /* AF_INET/PF_INET & co., using "PF" to avoid confusion with AFI/SAFI */
118 #pragma FRR printfrr_ext "%dPF" (int)
119 /* SOCK_STREAM & co. */
120 #pragma FRR printfrr_ext "%dSO" (int)
127 #endif /* _ZEBRA_SOCKUNION_H */