diff options
Diffstat (limited to 'proto/bgp/packets.c')
| -rw-r--r-- | proto/bgp/packets.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c index bf893436..03b22117 100644 --- a/proto/bgp/packets.c +++ b/proto/bgp/packets.c @@ -193,20 +193,27 @@ bgp_create_update(struct bgp_conn *conn, byte *buf) nh = ea_find(buck->eattrs, EA_CODE(EAP_BGP, BA_NEXT_HOP)); ASSERT(nh); ip = *(ip_addr *) nh->u.ptr->data; + is_ll = 0; if (ipa_equal(ip, p->local_addr)) - is_ll = 1; + { + is_ll = 1; + ip_ll = p->local_link; + } else { n = neigh_find(&p->p, &ip, 0); if (n && n->iface == p->neigh->iface) - is_ll = 1; - else - is_ll = 0; + { + /* FIXME: We are assuming the global scope addresses use the lower 64 bits + * as an interface identifier which hasn't necessarily to be true. + */ + is_ll = 1; + ip_ll = ipa_or(ipa_build(0xfe800000,0,0,0), ipa_and(ip, ipa_build(0,0,~0,~0))); + } } if (is_ll) { *tmp++ = 32; - ip_ll = ipa_or(ipa_build(0xfe80,0,0,0), ipa_and(ip, ipa_build(0,0,~0,~0))); ipa_hton(ip); memcpy(tmp, &ip, 16); ipa_hton(ip_ll); |