diff options
Diffstat (limited to 'bgpd/bgp_aspath.h')
| -rw-r--r-- | bgpd/bgp_aspath.h | 142 |
1 files changed, 72 insertions, 70 deletions
diff --git a/bgpd/bgp_aspath.h b/bgpd/bgp_aspath.h index abf4c6ccf9..f085cf3cb9 100644 --- a/bgpd/bgp_aspath.h +++ b/bgpd/bgp_aspath.h @@ -43,87 +43,89 @@ /* Transition 16Bit AS as defined by IANA */ #define BGP_AS_TRANS 23456U -#define BGP_AS_IS_PRIVATE(ASN) \ - (((ASN) >= BGP_PRIVATE_AS_MIN && (ASN) <= BGP_PRIVATE_AS_MAX) || \ - ((ASN) >= BGP_PRIVATE_AS4_MIN && (ASN) <= BGP_PRIVATE_AS4_MAX)) +#define BGP_AS_IS_PRIVATE(ASN) \ + (((ASN) >= BGP_PRIVATE_AS_MIN && (ASN) <= BGP_PRIVATE_AS_MAX) \ + || ((ASN) >= BGP_PRIVATE_AS4_MIN && (ASN) <= BGP_PRIVATE_AS4_MAX)) /* AS_PATH segment data in abstracted form, no limit is placed on length */ -struct assegment -{ - struct assegment *next; - as_t *as; - u_short length; - u_char type; +struct assegment { + struct assegment *next; + as_t *as; + u_short length; + u_char type; }; /* AS path may be include some AsSegments. */ -struct aspath -{ - /* Reference count to this aspath. */ - unsigned long refcnt; - - /* segment data */ - struct assegment *segments; - - /* AS path as a json object */ - json_object *json; - - /* String expression of AS path. This string is used by vty output - and AS path regular expression match. */ - char *str; - unsigned short str_len; +struct aspath { + /* Reference count to this aspath. */ + unsigned long refcnt; + + /* segment data */ + struct assegment *segments; + + /* AS path as a json object */ + json_object *json; + + /* String expression of AS path. This string is used by vty output + and AS path regular expression match. */ + char *str; + unsigned short str_len; }; #define ASPATH_STR_DEFAULT_LEN 32 /* Prototypes. */ -extern void aspath_init (void); -extern void aspath_finish (void); -extern struct aspath *aspath_parse (struct stream *, size_t, int); -extern struct aspath *aspath_dup (struct aspath *); -extern struct aspath *aspath_aggregate (struct aspath *, struct aspath *); -extern struct aspath *aspath_prepend (struct aspath *, struct aspath *); -extern struct aspath *aspath_filter_exclude (struct aspath *, struct aspath *); -extern struct aspath *aspath_add_seq_n (struct aspath *, as_t, unsigned); -extern struct aspath *aspath_add_seq (struct aspath *, as_t); -extern struct aspath *aspath_add_confed_seq (struct aspath *, as_t); -extern int aspath_cmp (const void *, const void *); -extern int aspath_cmp_left (const struct aspath *, const struct aspath *); -extern int aspath_cmp_left_confed (const struct aspath *, const struct aspath *); -extern struct aspath *aspath_delete_confed_seq (struct aspath *); -extern struct aspath *aspath_empty (void); -extern struct aspath *aspath_empty_get (void); -extern struct aspath *aspath_str2aspath (const char *); -extern void aspath_free (struct aspath *); -extern struct aspath *aspath_intern (struct aspath *); -extern void aspath_unintern (struct aspath **); -extern const char *aspath_print (struct aspath *); -extern void aspath_print_vty (struct vty *, const char *, struct aspath *, const char *); -extern void aspath_print_all_vty (struct vty *); -extern unsigned int aspath_key_make (void *); -extern unsigned int aspath_get_first_as (struct aspath *); -extern unsigned int aspath_get_last_as (struct aspath *); -extern int aspath_loop_check (struct aspath *, as_t); -extern int aspath_private_as_check (struct aspath *); -extern int aspath_single_asn_check (struct aspath *, as_t asn); -extern struct aspath *aspath_replace_specific_asn (struct aspath *aspath, as_t target_asn, as_t our_asn); -extern struct aspath *aspath_replace_private_asns(struct aspath *aspath, as_t asn); -extern struct aspath *aspath_remove_private_asns (struct aspath *aspath); -extern int aspath_firstas_check (struct aspath *, as_t); -extern int aspath_confed_check (struct aspath *); -extern int aspath_left_confed_check (struct aspath *); -extern unsigned long aspath_count (void); -extern unsigned int aspath_count_hops (const struct aspath *); -extern unsigned int aspath_count_confeds (struct aspath *); -extern unsigned int aspath_size (struct aspath *); -extern as_t aspath_highest (struct aspath *); -extern as_t aspath_leftmost (struct aspath *); -extern size_t aspath_put (struct stream *, struct aspath *, int); - -extern struct aspath *aspath_reconcile_as4 (struct aspath *, struct aspath *); -extern unsigned int aspath_has_as4 (struct aspath *); +extern void aspath_init(void); +extern void aspath_finish(void); +extern struct aspath *aspath_parse(struct stream *, size_t, int); +extern struct aspath *aspath_dup(struct aspath *); +extern struct aspath *aspath_aggregate(struct aspath *, struct aspath *); +extern struct aspath *aspath_prepend(struct aspath *, struct aspath *); +extern struct aspath *aspath_filter_exclude(struct aspath *, struct aspath *); +extern struct aspath *aspath_add_seq_n(struct aspath *, as_t, unsigned); +extern struct aspath *aspath_add_seq(struct aspath *, as_t); +extern struct aspath *aspath_add_confed_seq(struct aspath *, as_t); +extern int aspath_cmp(const void *, const void *); +extern int aspath_cmp_left(const struct aspath *, const struct aspath *); +extern int aspath_cmp_left_confed(const struct aspath *, const struct aspath *); +extern struct aspath *aspath_delete_confed_seq(struct aspath *); +extern struct aspath *aspath_empty(void); +extern struct aspath *aspath_empty_get(void); +extern struct aspath *aspath_str2aspath(const char *); +extern void aspath_free(struct aspath *); +extern struct aspath *aspath_intern(struct aspath *); +extern void aspath_unintern(struct aspath **); +extern const char *aspath_print(struct aspath *); +extern void aspath_print_vty(struct vty *, const char *, struct aspath *, + const char *); +extern void aspath_print_all_vty(struct vty *); +extern unsigned int aspath_key_make(void *); +extern unsigned int aspath_get_first_as(struct aspath *); +extern unsigned int aspath_get_last_as(struct aspath *); +extern int aspath_loop_check(struct aspath *, as_t); +extern int aspath_private_as_check(struct aspath *); +extern int aspath_single_asn_check(struct aspath *, as_t asn); +extern struct aspath *aspath_replace_specific_asn(struct aspath *aspath, + as_t target_asn, + as_t our_asn); +extern struct aspath *aspath_replace_private_asns(struct aspath *aspath, + as_t asn); +extern struct aspath *aspath_remove_private_asns(struct aspath *aspath); +extern int aspath_firstas_check(struct aspath *, as_t); +extern int aspath_confed_check(struct aspath *); +extern int aspath_left_confed_check(struct aspath *); +extern unsigned long aspath_count(void); +extern unsigned int aspath_count_hops(const struct aspath *); +extern unsigned int aspath_count_confeds(struct aspath *); +extern unsigned int aspath_size(struct aspath *); +extern as_t aspath_highest(struct aspath *); +extern as_t aspath_leftmost(struct aspath *); +extern size_t aspath_put(struct stream *, struct aspath *, int); + +extern struct aspath *aspath_reconcile_as4(struct aspath *, struct aspath *); +extern unsigned int aspath_has_as4(struct aspath *); /* For SNMP BGP4PATHATTRASPATHSEGMENT, might be useful for debug */ -extern u_char *aspath_snmp_pathseg (struct aspath *, size_t *); +extern u_char *aspath_snmp_pathseg(struct aspath *, size_t *); #endif /* _QUAGGA_BGP_ASPATH_H */ |