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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
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 #ifndef _ZEBRA_SOCKUNION_H
24 #define _ZEBRA_SOCKUNION_H
29 #include <netmpls/mpls.h>
35 struct sockaddr_in sin
;
36 struct sockaddr_in6 sin6
;
38 struct sockaddr_mpls smpls
;
49 /* Default address family. */
51 #define AF_INET_UNION AF_INET6
53 #define AF_INET_UNION AF_INET
56 /* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
57 #define SU_ADDRSTRLEN 46
59 /* Macro to set link local index to the IPv6 address. For KAME IPv6
62 #define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
63 #define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
65 (a).s6_addr[2] = ((i) >> 8) & 0xff; \
66 (a).s6_addr[3] = (i) & 0xff; \
69 #define IN6_LINKLOCAL_IFINDEX(a)
70 #define SET_IN6_LINKLOCAL_IFINDEX(a, i)
73 #define sockunion_family(X) (X)->sa.sa_family
75 #define sockunion2ip(X) (X)->sin.sin_addr.s_addr
78 extern int str2sockunion (const char *, union sockunion
*);
79 extern const char *sockunion2str (const union sockunion
*, char *, size_t);
80 extern int sockunion_cmp (const union sockunion
*, const union sockunion
*);
81 extern int sockunion_same (const union sockunion
*, const union sockunion
*);
82 extern unsigned int sockunion_hash (const union sockunion
*);
84 extern size_t family2addrsize(int family
);
85 extern size_t sockunion_get_addrlen(const union sockunion
*);
86 extern const u_char
*sockunion_get_addr(const union sockunion
*);
87 extern void sockunion_set(union sockunion
*, int family
, const u_char
*addr
, size_t bytes
);
89 extern union sockunion
*sockunion_str2su (const char *str
);
90 extern int sockunion_accept (int sock
, union sockunion
*);
91 extern int sockunion_stream_socket (union sockunion
*);
92 extern int sockopt_reuseaddr (int);
93 extern int sockopt_reuseport (int);
94 extern int sockopt_v6only (int family
, int sock
);
95 extern int sockunion_bind (int sock
, union sockunion
*,
96 unsigned short, union sockunion
*);
97 extern int sockopt_ttl (int family
, int sock
, int ttl
);
98 extern int sockopt_minttl (int family
, int sock
, int minttl
);
99 extern int sockopt_cork (int sock
, int onoff
);
100 extern int sockopt_mark_default(int sock
, int mark
, struct zebra_privs_t
*);
101 extern int sockunion_socket (const union sockunion
*su
);
102 extern const char *inet_sutop (const union sockunion
*su
, char *str
);
103 extern enum connect_result
sockunion_connect (int fd
, const union sockunion
*su
,
106 extern union sockunion
*sockunion_getsockname (int);
107 extern union sockunion
*sockunion_getpeername (int);
108 extern union sockunion
*sockunion_dup (const union sockunion
*);
109 extern void sockunion_free (union sockunion
*);
110 extern void sockunion_init (union sockunion
*);
112 #endif /* _ZEBRA_SOCKUNION_H */