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authorMartin Mares <mj@ucw.cz>2003-02-22 22:47:45 +0000
committerMartin Mares <mj@ucw.cz>2003-02-22 22:47:45 +0000
commit11d4474c17e76e9811dcb32f555fa1c6f3684fab (patch)
tree68ed6fd715e7b72eba4bcfec7d3ef2990373915f /proto/bgp/bgp.c
parent7b7a7b43a6915efbe9180f07cd1284a39efacf02 (diff)
Better selection of link-local NLRI addresses, at least for our own
address. Need to do it better for the other neighbors -- the current solution works only if they use the standard 64+64 global addresses and the interface identifier in lower 64 bits is the same as for the link-scope addresses.
Diffstat (limited to 'proto/bgp/bgp.c')
-rw-r--r--proto/bgp/bgp.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c
index f6cbed4c..7069d982 100644
--- a/proto/bgp/bgp.c
+++ b/proto/bgp/bgp.c
@@ -434,6 +434,19 @@ bgp_start_neighbor(struct bgp_proto *p)
{
p->local_addr = p->neigh->iface->addr->ip;
DBG("BGP: local=%I remote=%I\n", p->local_addr, p->next_hop);
+#ifdef IPV6
+ {
+ struct ifa *a;
+ p->local_link = ipa_or(ipa_build(0xfe80,0,0,0), ipa_and(p->local_addr, ipa_build(0,0,~0,~0)));
+ WALK_LIST(a, p->neigh->iface->addrs)
+ if (a->scope == SCOPE_LINK)
+ {
+ p->local_link = a->ip;
+ break;
+ }
+ DBG("BGP: Selected link-level address %I\n", p->local_link);
+ }
+#endif
bgp_initiate(p);
}