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-rw-r--r--usr.sbin/ldpd/lde_lib.c51
1 files changed, 39 insertions, 12 deletions
diff --git a/usr.sbin/ldpd/lde_lib.c b/usr.sbin/ldpd/lde_lib.c
index 7a4b319c685..a4274ca2d20 100644
--- a/usr.sbin/ldpd/lde_lib.c
+++ b/usr.sbin/ldpd/lde_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: lde_lib.c,v 1.7 2010/01/02 14:56:02 michele Exp $ */
+/* $OpenBSD: lde_lib.c,v 1.8 2010/01/08 16:45:51 michele Exp $ */
/*
* Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
@@ -176,7 +176,10 @@ lde_kernel_insert(struct kroute *kr)
{
struct rt_node *rn;
struct rt_label *rl;
+ struct iface *iface;
+ struct lde_nbr *ln;
struct lde_nbr_address *addr;
+ struct map localmap;
rn = rt_find(kr->prefix.s_addr, kr->prefixlen);
if (rn == NULL) {
@@ -230,18 +233,16 @@ lde_kernel_insert(struct kroute *kr)
return;
}
- /* There is already a local mapping, check if there
- is also a remote one */
- if (rn->local_label) {
- TAILQ_FOREACH(rl, &rn->labels_list, entry) {
- addr = lde_address_find(rl->nexthop, &rn->nexthop);
- if (addr != NULL) {
- rn->remote_label =
- htonl(rl->label << MPLS_LABEL_OFFSET);
- break;
- }
+ TAILQ_FOREACH(rl, &rn->labels_list, entry) {
+ addr = lde_address_find(rl->nexthop, &rn->nexthop);
+ if (addr != NULL) {
+ rn->remote_label =
+ htonl(rl->label << MPLS_LABEL_OFFSET);
+ break;
}
- } else {
+ }
+
+ if (!rn->local_label) {
/* Directly connected route */
if (kr->nexthop.s_addr == INADDR_ANY) {
rn->local_label =
@@ -252,6 +253,32 @@ lde_kernel_insert(struct kroute *kr)
}
lde_send_insert_klabel(rn);
+
+ /* Redistribute the current mapping to every nbr */
+ localmap.label = (ntohl(rn->local_label) & MPLS_LABEL_MASK) >>
+ MPLS_LABEL_OFFSET;
+ localmap.prefix = rn->prefix.s_addr;
+ localmap.prefixlen = rn->prefixlen;
+
+ LIST_FOREACH(iface, &ldeconf->iface_list, entry) {
+ LIST_FOREACH(ln, &iface->lde_nbr_list, entry) {
+ if (ln->self)
+ continue;
+
+ if (ldeconf->mode & MODE_ADV_UNSOLICITED &&
+ ldeconf->mode & MODE_DIST_INDEPENDENT)
+ lde_send_labelmapping(ln->peerid, &localmap);
+
+ if (ldeconf->mode & MODE_ADV_UNSOLICITED &&
+ ldeconf->mode & MODE_DIST_ORDERED) {
+ /* XXX */
+ if (rn->nexthop.s_addr == INADDR_ANY ||
+ rn->remote_label != 0)
+ lde_send_labelmapping(ln->peerid,
+ &localmap);
+ }
+ }
+ }
}
void