version 1.1.1.1, 2012/02/21 17:26:12
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version 1.1.1.3, 2016/11/02 10:09:10
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Line 52 struct prefix
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Line 52 struct prefix
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struct in_addr adv_router; |
struct in_addr adv_router; |
} lp; |
} lp; |
u_char val[8]; |
u_char val[8]; |
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uintptr_t ptr; |
} u __attribute__ ((aligned (8))); |
} u __attribute__ ((aligned (8))); |
}; |
}; |
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Line 89 struct prefix_rd
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Line 90 struct prefix_rd
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u_char val[8] __attribute__ ((aligned (8))); |
u_char val[8] __attribute__ ((aligned (8))); |
}; |
}; |
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/* Prefix for a generic pointer */ |
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struct prefix_ptr |
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{ |
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u_char family; |
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u_char prefixlen; |
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uintptr_t prefix __attribute__ ((aligned (8))); |
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}; |
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/* helper to get type safety/avoid casts on calls |
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* (w/o this, functions accepting all prefix types need casts on the caller |
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* side, which strips type safety since the cast will accept any pointer |
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* type.) |
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*/ |
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union prefix46ptr |
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{ |
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struct prefix *p; |
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struct prefix_ipv4 *p4; |
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struct prefix_ipv6 *p6; |
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} __attribute__ ((transparent_union)); |
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union prefix46constptr |
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{ |
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const struct prefix *p; |
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const struct prefix_ipv4 *p4; |
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const struct prefix_ipv6 *p6; |
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} __attribute__ ((transparent_union)); |
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#ifndef INET_ADDRSTRLEN |
#ifndef INET_ADDRSTRLEN |
#define INET_ADDRSTRLEN 16 |
#define INET_ADDRSTRLEN 16 |
#endif /* INET_ADDRSTRLEN */ |
#endif /* INET_ADDRSTRLEN */ |
Line 101 struct prefix_rd
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Line 129 struct prefix_rd
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#define INET6_BUFSIZ 51 |
#define INET6_BUFSIZ 51 |
#endif /* INET6_BUFSIZ */ |
#endif /* INET6_BUFSIZ */ |
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/* Maximum prefix string length (IPv6) */ |
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#define PREFIX_STRLEN 51 |
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/* Max bit/byte length of IPv4 address. */ |
/* Max bit/byte length of IPv4 address. */ |
#define IPV4_MAX_BYTELEN 4 |
#define IPV4_MAX_BYTELEN 4 |
#define IPV4_MAX_BITLEN 32 |
#define IPV4_MAX_BITLEN 32 |
Line 112 struct prefix_rd
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Line 143 struct prefix_rd
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#define IPV4_NET0(a) ((((u_int32_t) (a)) & 0xff000000) == 0x00000000) |
#define IPV4_NET0(a) ((((u_int32_t) (a)) & 0xff000000) == 0x00000000) |
#define IPV4_NET127(a) ((((u_int32_t) (a)) & 0xff000000) == 0x7f000000) |
#define IPV4_NET127(a) ((((u_int32_t) (a)) & 0xff000000) == 0x7f000000) |
#define IPV4_LINKLOCAL(a) ((((u_int32_t) (a)) & 0xffff0000) == 0xa9fe0000) |
#define IPV4_LINKLOCAL(a) ((((u_int32_t) (a)) & 0xffff0000) == 0xa9fe0000) |
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#define IPV4_CLASS_DE(a) ((((u_int32_t) (a)) & 0xe0000000) == 0xe0000000) |
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/* Max bit/byte length of IPv6 address. */ |
/* Max bit/byte length of IPv6 address. */ |
#define IPV6_MAX_BYTELEN 16 |
#define IPV6_MAX_BYTELEN 16 |
Line 127 struct prefix_rd
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Line 159 struct prefix_rd
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/* Prefix's family member. */ |
/* Prefix's family member. */ |
#define PREFIX_FAMILY(p) ((p)->family) |
#define PREFIX_FAMILY(p) ((p)->family) |
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/* Check bit of the prefix. */ | /* glibc defines s6_addr32 to __in6_u.__u6_addr32 if __USE_{MISC || GNU} */ |
static inline unsigned int | #ifndef s6_addr32 |
prefix_bit (const u_char *prefix, const u_char prefixlen) | #if defined(SUNOS_5) |
{ | /* Some SunOS define s6_addr32 only to kernel */ |
unsigned int offset = prefixlen / 8; | #define s6_addr32 _S6_un._S6_u32 |
unsigned int shift = 7 - (prefixlen % 8); | #else |
| #define s6_addr32 __u6_addr.__u6_addr32 |
| #endif /* SUNOS_5 */ |
| #endif /*s6_addr32*/ |
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return (prefix[offset] >> shift) & 1; |
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} |
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static inline unsigned int |
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prefix6_bit (const struct in6_addr *prefix, const u_char prefixlen) |
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{ |
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return prefix_bit((const u_char *) &prefix->s6_addr, prefixlen); |
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} |
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/* Prototypes. */ |
/* Prototypes. */ |
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extern int str2family(const char *); |
extern int afi2family (afi_t); |
extern int afi2family (afi_t); |
extern afi_t family2afi (int); |
extern afi_t family2afi (int); |
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extern const char *safi2str(safi_t safi); |
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/* Check bit of the prefix. */ |
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extern unsigned int prefix_bit (const u_char *prefix, const u_char prefixlen); |
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extern unsigned int prefix6_bit (const struct in6_addr *prefix, const u_char prefixlen); |
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extern struct prefix *prefix_new (void); |
extern struct prefix *prefix_new (void); |
extern void prefix_free (struct prefix *); |
extern void prefix_free (struct prefix *); |
extern const char *prefix_family_str (const struct prefix *); |
extern const char *prefix_family_str (const struct prefix *); |
extern int prefix_blen (const struct prefix *); |
extern int prefix_blen (const struct prefix *); |
extern int str2prefix (const char *, struct prefix *); |
extern int str2prefix (const char *, struct prefix *); |
extern int prefix2str (const struct prefix *, char *, int); | extern const char *prefix2str (union prefix46constptr, char *, int); |
extern int prefix_match (const struct prefix *, const struct prefix *); |
extern int prefix_match (const struct prefix *, const struct prefix *); |
extern int prefix_same (const struct prefix *, const struct prefix *); |
extern int prefix_same (const struct prefix *, const struct prefix *); |
extern int prefix_cmp (const struct prefix *, const struct prefix *); |
extern int prefix_cmp (const struct prefix *, const struct prefix *); |
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extern int prefix_common_bits (const struct prefix *, const struct prefix *); |
extern void prefix_copy (struct prefix *dest, const struct prefix *src); |
extern void prefix_copy (struct prefix *dest, const struct prefix *src); |
extern void apply_mask (struct prefix *); |
extern void apply_mask (struct prefix *); |
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extern struct prefix *sockunion2prefix (const union sockunion *dest, |
extern struct prefix *sockunion2prefix (const union sockunion *dest, |
const union sockunion *mask); |
const union sockunion *mask); |
extern struct prefix *sockunion2hostprefix (const union sockunion *); | extern struct prefix *sockunion2hostprefix (const union sockunion *, struct prefix *p); |
| extern void prefix2sockunion (const struct prefix *, union sockunion *); |
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extern struct prefix_ipv4 *prefix_ipv4_new (void); |
extern struct prefix_ipv4 *prefix_ipv4_new (void); |
extern void prefix_ipv4_free (struct prefix_ipv4 *); |
extern void prefix_ipv4_free (struct prefix_ipv4 *); |
Line 175 extern int prefix_ipv4_any (const struct prefix_ipv4 *
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Line 209 extern int prefix_ipv4_any (const struct prefix_ipv4 *
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extern void apply_classful_mask_ipv4 (struct prefix_ipv4 *); |
extern void apply_classful_mask_ipv4 (struct prefix_ipv4 *); |
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extern u_char ip_masklen (struct in_addr); |
extern u_char ip_masklen (struct in_addr); |
extern void masklen2ip (int, struct in_addr *); | extern void masklen2ip (const int, struct in_addr *); |
/* returns the network portion of the host address */ |
/* returns the network portion of the host address */ |
extern in_addr_t ipv4_network_addr (in_addr_t hostaddr, int masklen); |
extern in_addr_t ipv4_network_addr (in_addr_t hostaddr, int masklen); |
/* given the address of a host on a network and the network mask length, |
/* given the address of a host on a network and the network mask length, |
Line 196 extern void apply_mask_ipv6 (struct prefix_ipv6 *);
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Line 230 extern void apply_mask_ipv6 (struct prefix_ipv6 *);
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*((struct prefix_ipv6 *)(DST)) = *((const struct prefix_ipv6 *)(SRC)); |
*((struct prefix_ipv6 *)(DST)) = *((const struct prefix_ipv6 *)(SRC)); |
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extern int ip6_masklen (struct in6_addr); |
extern int ip6_masklen (struct in6_addr); |
extern void masklen2ip6 (int, struct in6_addr *); | extern void masklen2ip6 (const int, struct in6_addr *); |
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extern void str2in6_addr (const char *, struct in6_addr *); |
extern void str2in6_addr (const char *, struct in6_addr *); |
extern const char *inet6_ntoa (struct in6_addr); |
extern const char *inet6_ntoa (struct in6_addr); |
Line 204 extern const char *inet6_ntoa (struct in6_addr);
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Line 238 extern const char *inet6_ntoa (struct in6_addr);
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#endif /* HAVE_IPV6 */ |
#endif /* HAVE_IPV6 */ |
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extern int all_digit (const char *); |
extern int all_digit (const char *); |
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static inline int ipv4_martian (struct in_addr *addr) |
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{ |
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in_addr_t ip = addr->s_addr; |
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if (IPV4_NET0(ip) || IPV4_NET127(ip) || IPV4_CLASS_DE(ip)) { |
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return 1; |
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} |
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return 0; |
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} |
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#endif /* _ZEBRA_PREFIX_H */ |
#endif /* _ZEBRA_PREFIX_H */ |