diff options
| -rw-r--r-- | nest/iface.h | 1 | ||||
| -rw-r--r-- | nest/neighbor.c | 29 |
2 files changed, 15 insertions, 15 deletions
diff --git a/nest/iface.h b/nest/iface.h index 94c0945..310f01e 100644 --- a/nest/iface.h +++ b/nest/iface.h @@ -102,6 +102,7 @@ typedef struct neighbor { void *data; /* Protocol-specific data */ unsigned aux; /* Protocol-specific data */ unsigned flags; + unsigned scope; /* Address scope, SCOPE_HOST when it's our own address */ } neighbor; #define NEF_STICKY 1 diff --git a/nest/neighbor.c b/nest/neighbor.c index 5522238..8ebdd3a 100644 --- a/nest/neighbor.c +++ b/nest/neighbor.c @@ -30,15 +30,15 @@ if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */ struct ifa *b; if (!(i->flags & IF_UP)) - return 0; + return -1; WALK_LIST(b, i->addrs) { if (ipa_equal(*a, b->ip)) - return -1; + return SCOPE_HOST; if (b->flags & IA_UNNUMBERED) { if (ipa_equal(*a, b->opposite)) - return 1; + return b->scope; } else { @@ -47,18 +47,18 @@ if_connected(ip_addr *a, struct iface *i) /* -1=error, 1=match, 0=no match */ if (ipa_equal(*a, b->prefix) || /* Network address */ ipa_equal(*a, b->brd)) /* Broadcast */ return -1; - return 1; + return b->scope; } } } - return 0; + return -1; } neighbor * neigh_find(struct proto *p, ip_addr *a, unsigned flags) { neighbor *n; - int class; + int class, scope = SCOPE_HOST; unsigned int h = neigh_hash(p, a); struct iface *i, *j; @@ -75,14 +75,10 @@ neigh_find(struct proto *p, ip_addr *a, unsigned flags) j = NULL; WALK_LIST(i, iface_list) - switch (if_connected(a, i)) + if ((scope = if_connected(a, i)) >= 0) { - case -1: - return NULL; - case 1: - if (!j) - j = i; - /* Fall-thru */ + j = i; + break; } if (!j && !(flags & NEF_STICKY)) return NULL; @@ -101,6 +97,7 @@ neigh_find(struct proto *p, ip_addr *a, unsigned flags) n->data = NULL; n->aux = 0; n->flags = flags; + n->scope = scope; return n; } @@ -112,7 +109,7 @@ neigh_dump(neighbor *n) debug("%s ", n->iface->name); else debug("[] "); - debug("%s %p %08x", n->proto->name, n->data, n->aux); + debug("%s %p %08x scope %s", n->proto->name, n->data, n->aux, ip_scope_text(n->scope)); if (n->flags & NEF_STICKY) debug(" STICKY"); debug("\n"); @@ -137,11 +134,13 @@ void neigh_if_up(struct iface *i) { neighbor *n, *next; + int scope; WALK_LIST_DELSAFE(n, next, sticky_neigh_list) - if (if_connected(&n->addr, i) > 0) + if ((scope = if_connected(&n->addr, i)) >= 0) { n->iface = i; + n->scope = scope; add_tail(&i->neighbors, &n->if_n); rem_node(&n->n); add_tail(&neigh_hash_table[neigh_hash(n->proto, &n->addr)], &n->n); |