Use logical instead of physical name for tunnel underlying link.

Signed-off-by: Steven Barth <steven@midlink.org>

diff --git a/system-linux.c b/system-linux.c
index efda0d5..f5c900d 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -1342,9 +1342,14 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr)
                return -EINVAL;
 
        unsigned int link = 0;
-       if ((cur = tb[TUNNEL_ATTR_LINK]) &&
-                       !(link = if_nametoindex((const char*)blobmsg_data(cur))))
-               return -EINVAL;
+       if ((cur = tb[TUNNEL_ATTR_LINK])) {
+               struct interface *iface = vlist_find(&interfaces, blobmsg_data(cur), iface, node);
+               if (!iface)
+                       return -EINVAL;
+
+               if (iface->l3_dev.dev)
+                       link = iface->l3_dev.dev->ifindex;
+       }
 
 
        if (!strcmp(str, "sit")) {