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authorOndrej Zajicek <santiago@crfreenet.org>2009-09-08 13:45:02 +0200
committerOndrej Zajicek <santiago@crfreenet.org>2009-09-08 13:45:02 +0200
commitbe862406627da3bd1facea9309b3f32e67422eab (patch)
treea1463c4feca6145d4a2e36b39c893a7253316b73 /nest
parentf9c799a00e705b1420b214628c2bb2a30bf491d9 (diff)
downloadbird-be862406627da3bd1facea9309b3f32e67422eab.tar
bird-be862406627da3bd1facea9309b3f32e67422eab.zip
Temporary OSPFv3 development commit.
Finally, it is working.
Diffstat (limited to 'nest')
-rw-r--r--nest/iface.h1
-rw-r--r--nest/neighbor.c36
2 files changed, 21 insertions, 16 deletions
diff --git a/nest/iface.h b/nest/iface.h
index af98a76..a982c17 100644
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -99,6 +99,7 @@ typedef struct neighbor {
#define NEF_STICKY 1
neighbor *neigh_find(struct proto *, ip_addr *, unsigned flags);
+neighbor *neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags);
static inline int neigh_connected_to(struct proto *p, ip_addr *a, struct iface *i)
{
diff --git a/nest/neighbor.c b/nest/neighbor.c
index 7aaf8d7..a44667f 100644
--- a/nest/neighbor.c
+++ b/nest/neighbor.c
@@ -100,21 +100,21 @@ if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */
* IP address, neigh_find() returns %NULL.
*/
-/*
+
neighbor *
neigh_find(struct proto *p, ip_addr *a, unsigned flags)
{
return neigh_find2(p, a, NULL, flags);
}
-*/
+
neighbor *
-neigh_find(struct proto *p, ip_addr *a, unsigned flags)
+neigh_find2(struct proto *p, ip_addr *a, struct iface *ifa, unsigned flags)
{
neighbor *n;
int class, scope = SCOPE_HOST;
unsigned int h = neigh_hash(p, a);
- struct iface *i, *j;
+ struct iface *i;
WALK_LIST(n, neigh_hash_table[h]) /* Search the cache */
if (n->proto == p && ipa_equal(*a, n->addr))
@@ -123,27 +123,31 @@ neigh_find(struct proto *p, ip_addr *a, unsigned flags)
class = ipa_classify(*a);
if (class < 0) /* Invalid address */
return NULL;
- if ((class & IADDR_SCOPE_MASK) < SCOPE_SITE ||
+ if (((class & IADDR_SCOPE_MASK) == SCOPE_HOST) ||
+ (((class & IADDR_SCOPE_MASK) == SCOPE_LINK) && (ifa == NULL)) ||
!(class & IADDR_HOST))
return NULL; /* Bad scope or a somecast */
- j = NULL;
- WALK_LIST(i, iface_list)
- if ((scope = if_connected(a, i)) >= 0)
- {
- j = i;
- break;
- }
- if (!j && !(flags & NEF_STICKY))
+ if (ifa)
+ scope = if_connected(a, ifa);
+ else
+ WALK_LIST(i, iface_list)
+ if ((scope = if_connected(a, i)) >= 0)
+ {
+ ifa = i;
+ break;
+ }
+
+ if (!ifa && !(flags & NEF_STICKY))
return NULL;
n = sl_alloc(neigh_slab);
n->addr = *a;
- n->iface = j;
- if (j)
+ n->iface = ifa;
+ if (ifa)
{
add_tail(&neigh_hash_table[h], &n->n);
- add_tail(&j->neighbors, &n->if_n);
+ add_tail(&ifa->neighbors, &n->if_n);
}
else
{