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-rw-r--r--lib/if.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/if.c b/lib/if.c
index 38f3f45ed1..3f489e0c3e 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -389,6 +389,34 @@ struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id)
return NULL;
}
+size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz,
+ struct interface ***result, vrf_id_t vrf_id)
+{
+ struct vrf *vrf = vrf_lookup_by_id(vrf_id);
+
+ struct list *rs = list_new();
+ struct interface *ifp;
+
+ FOR_ALL_INTERFACES (vrf, ifp) {
+ if (ifp->hw_addr_len == (int)addrsz
+ && !memcmp(hw_addr, ifp->hw_addr, addrsz))
+ listnode_add(rs, ifp);
+ }
+
+ if (rs->count) {
+ *result = XCALLOC(MTYPE_TMP,
+ sizeof(struct interface *) * rs->count);
+ list_to_array(rs, (void **)*result, rs->count);
+ }
+
+ int count = rs->count;
+
+ list_delete(&rs);
+
+ return count;
+}
+
+
/* Get interface by name if given name interface doesn't exist create
one. */
struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id)
@@ -876,6 +904,19 @@ struct connected *connected_add_by_prefix(struct interface *ifp,
return ifc;
}
+struct connected *connected_get_linklocal(struct interface *ifp)
+{
+ struct listnode *n;
+ struct connected *c = NULL;
+
+ for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) {
+ if (c->address->family == AF_INET6
+ && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6))
+ break;
+ }
+ return c;
+}
+
#if 0 /* this route_table of struct connected's is unused \
* however, it would be good to use a route_table rather than \
* a list.. \