diff options
Diffstat (limited to 'proto/bgp/attrs.c')
| -rw-r--r-- | proto/bgp/attrs.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 9c7bc30a..7b49bdfa 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -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 */ |