diff options
Diffstat (limited to 'bgpd/bgp_aspath.h')
| -rw-r--r-- | bgpd/bgp_aspath.h | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/bgpd/bgp_aspath.h b/bgpd/bgp_aspath.h index 5400c57c..538bada8 100644 --- a/bgpd/bgp_aspath.h +++ b/bgpd/bgp_aspath.h @@ -31,7 +31,10 @@ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA #define BGP_PRIVATE_AS_MIN 64512U #define BGP_PRIVATE_AS_MAX 65535U +/* we leave BGP_AS_MAX as the 16bit AS MAX number. */ #define BGP_AS_MAX 65535U +/* Transition 16Bit AS as defined by IANA */ +#define BGP_AS_TRANS 23456U /* AS_PATH segment data in abstracted form, no limit is placed on length */ struct assegment @@ -58,10 +61,47 @@ struct aspath #define ASPATH_STR_DEFAULT_LEN 32 +/* stuffed this here, with as4 we have different asnumber formats */ +enum bgp_asnumber_format +{ + BGP_ASNUMBER_FORMAT_ASDOT, + BGP_ASNUMBER_FORMAT_ASDOTPLUS, + BGP_ASNUMBER_FORMAT_ASPLAIN, + BGP_ASNUMBER_FORMAT_ASIP, + + BGP_ASNUMBER_FORMAT_NOTUSED +}; + +/* This is the default definition for asnumber output + * It is used whenever an asnumber is turned into a string + * so it changes the string representation og aspaths as well as + * all configuration and command outputs. + * As of now, it is ASDOT. It may well become ASPLAIN in the future + * if the net community should reach consensus for that. + * Aeh, ASIP is more like a joke, nobody wants this - lets say it is + * for testing purposes ;-) + * + * As of now, the RIRs and Cisco already use ASDOT so we use that as + * default. + * For everybody, the summary (all <...> are given out as decimal value): + * + * asdot [<higher16bits>.]<lower16bits> + * higher16bits ONLY given out if not 0. + * asdot+ <higher16bits>.<lower16bits> + * higher16bits ALWAYS given out. + * asplain <32bits> + * asip <8highestbits><8bitsbelowthem><8bitsfurtherdown><lowest8bits> + * + * BTW, quagga automagically munges all of these formats as inputs, no + * change needed there. -JK 20061114 + */ + +#define BGP_ASNUMBER_FORMAT_DEFAULT BGP_ASNUMBER_FORMAT_ASDOT + /* Prototypes. */ extern void aspath_init (void); extern void aspath_finish (void); -extern struct aspath *aspath_parse (struct stream *, size_t); +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 *); @@ -88,9 +128,20 @@ extern unsigned int aspath_count_hops (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 void aspath_put (struct stream *, struct aspath *); +extern void aspath_put (struct stream *, struct aspath *, int); + +extern void aspath_truncateathopsandjoin (struct aspath **, struct aspath **, int); +extern unsigned int aspath_count_num32as (struct aspath *); +extern unsigned int aspath_count_numas (struct aspath *); +extern void aspath_cleanoutall_asconfeds( struct aspath **, unsigned int *); /* For SNMP BGP4PATHATTRASPATHSEGMENT, might be useful for debug */ extern u_char *aspath_snmp_pathseg (struct aspath *, size_t *); +/* asnumber format things */ +extern void setasnumber_format (int); +extern int get_asnumber_format (void); +extern char *as2str(as_t); +extern as_t str2asnum (const char *, const char **); + #endif /* _QUAGGA_BGP_ASPATH_H */ |