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Show both IPv6 next hop addresses in BGP.

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This commit is contained in:
Ondrej Zajicek 2009-11-17 14:17:23 +01:00
parent 3228c72cc0
commit d0e2d6d1e0
1 changed files with 17 additions and 1 deletions
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18
proto/bgp/attrs.c
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@ -165,6 +165,22 @@ bgp_check_next_hop(struct bgp_proto *p UNUSED, byte *a, int len)
#endif
}
static void
bgp_format_next_hop(eattr *a, byte *buf, int buflen UNUSED)
{
ip_addr *ipp = (ip_addr *) a->u.ptr->data;
#ifdef IPV6
/* in IPv6, we might have two addresses in NEXT HOP */
if ((a->u.ptr->length == NEXT_HOP_LENGTH) && ipa_nonzero(ipp[1]))
{
bsprintf(buf, "%I %I", ipp[0], ipp[1]);
return;
}
#endif
bsprintf(buf, "%I", ipp[0]);
}
static int
bgp_check_aggregator(struct bgp_proto *p, byte *a UNUSED, int len)
{
@ -234,7 +250,7 @@ static struct attr_desc bgp_attr_table[] = {
{ "as_path", -1, BAF_TRANSITIVE, EAF_TYPE_AS_PATH, 1, /* BA_AS_PATH */
NULL, NULL }, /* is checked by validate_as_path() as a special case */
{ "next_hop", 4, BAF_TRANSITIVE, EAF_TYPE_IP_ADDRESS, 1, /* BA_NEXT_HOP */
bgp_check_next_hop, NULL },
bgp_check_next_hop, bgp_format_next_hop },
{ "med", 4, BAF_OPTIONAL, EAF_TYPE_INT, 1, /* BA_MULTI_EXIT_DISC */
NULL, NULL },
{ "local_pref", 4, BAF_TRANSITIVE, EAF_TYPE_INT, 0, /* BA_LOCAL_PREF */