diff options
Diffstat (limited to 'bgpd/bgp_route.c')
| -rw-r--r-- | bgpd/bgp_route.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index 5623cadc..20276b49 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -493,6 +493,19 @@ bgp_cluster_filter (struct peer *peer, struct attr *attr) } return 0; } + +#ifdef SUPPORT_REALMS + +#define REALM_PEER_AS 0xFFFFA +#define REALM_ORIGIN_AS 0xFFFFB + +/* Attr. Flags and Attr. Type Code. */ +#define AS_HEADER_SIZE 2 + +/* Two octet is used for AS value. */ +#define AS_VALUE_SIZE sizeof (as_t) + +#endif static int bgp_input_modifier (struct peer *peer, struct prefix *p, struct attr *attr, @@ -502,6 +515,44 @@ bgp_input_modifier (struct peer *peer, struct prefix *p, struct attr *attr, struct bgp_info info; route_map_result_t ret; +#ifdef SUPPORT_REALMS + + u_int16_t realm_value = 0; + struct aspath *aspath; + + struct assegment *assegment; + + + /* Apply default realm value. */ + aspath = attr->aspath; + + if (peer->realm == REALM_PEER_AS) + { + realm_value = peer->as; + + } + else if (peer->realm == REALM_ORIGIN_AS) + { + if (aspath == NULL || aspath->segments == NULL) + return RMAP_PERMIT; + + assegment = aspath->segments; + + while (assegment) { + int i; + + for (i = 0; i < assegment->length; i++) + realm_value = assegment->as[i]; + + assegment = assegment->next; + } + } + else realm_value = (u_int16_t)(peer->realm & 0xFFFF); + + attr->realmto = realm_value; + +#endif + filter = &peer->filter[afi][safi]; /* Apply default weight value. */ @@ -573,6 +624,46 @@ bgp_import_modifier (struct peer *rsclient, struct peer *peer, struct bgp_info info; route_map_result_t ret; +#ifdef SUPPORT_REALMS + + u_int16_t realm_value = 0; + struct aspath *aspath; + + struct assegment *assegment; + + + /* Apply default realm value. */ + aspath = attr->aspath; + + if (peer->realm == REALM_PEER_AS) + { + realm_value = peer->as; + + } + else if (peer->realm == REALM_ORIGIN_AS) + { + if (aspath == NULL || aspath->segments == NULL) + return RMAP_PERMIT; + + assegment = aspath->segments; + + while (assegment) { + int i; + + for (i = 0; i < assegment->length; i++) + realm_value = assegment->as[i]; + + assegment = assegment->next; + } + } + else realm_value = (u_int16_t)(peer->realm & 0xFFFF); + + attr->realmto = realm_value; + +#endif + + + filter = &rsclient->filter[afi][safi]; /* Apply default weight value. */ @@ -5153,6 +5244,10 @@ route_vty_out (struct vty *vty, struct prefix *p, vty_out (vty, "%7u ",attr->weight); +#ifdef SUPPORT_REALMS + vty_out (vty, "%7u ", attr->realmto); +#endif + /* Print aspath */ if (attr->aspath) aspath_print_vty (vty, "%s ", attr->aspath); @@ -5214,6 +5309,10 @@ route_vty_out_tmp (struct vty *vty, struct prefix *p, vty_out (vty, "%7d ",attr->weight); +#ifdef SUPPORT_REALMS + vty_out (vty, "%7u ", attr->realmto); +#endif + /* Print aspath */ if (attr->aspath) aspath_print_vty (vty, "%s ", attr->aspath); @@ -5501,6 +5600,13 @@ route_vty_out_detail (struct vty *vty, struct bgp *bgp, struct prefix *p, if (CHECK_FLAG (binfo->flags, BGP_INFO_SELECTED)) vty_out (vty, ", best"); +#ifdef SUPPORT_REALMS + if (attr->realmto) { + char realmbuf[64]; + vty_out (vty, ", realm %s", rtnl_rtrealm_n2a (attr->realmto, realmbuf, sizeof (realmbuf))); + } +#endif + vty_out (vty, "%s", VTY_NEWLINE); /* Line 4 display Community */ @@ -5541,7 +5647,11 @@ route_vty_out_detail (struct vty *vty, struct bgp *bgp, struct prefix *p, #define BGP_SHOW_SCODE_HEADER "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,%s r RIB-failure, S Stale, R Removed%s" #define BGP_SHOW_OCODE_HEADER "Origin codes: i - IGP, e - EGP, ? - incomplete%s%s" +#ifdef SUPPORT_REALMS +#define BGP_SHOW_HEADER " Network Next Hop Metric LocPrf Weight Realm Path%s" +#else #define BGP_SHOW_HEADER " Network Next Hop Metric LocPrf Weight Path%s" +#endif #define BGP_SHOW_DAMP_HEADER " Network From Reuse Path%s" #define BGP_SHOW_FLAP_HEADER " Network From Flaps Duration Reuse Path%s" |