diff options
Diffstat (limited to 'src/vnet/fib/fib_path.c')
| -rw-r--r-- | src/vnet/fib/fib_path.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/vnet/fib/fib_path.c b/src/vnet/fib/fib_path.c index e7338a8c56c..090c5026ce2 100644 --- a/src/vnet/fib/fib_path.c +++ b/src/vnet/fib/fib_path.c @@ -1634,7 +1634,11 @@ fib_path_get_resolving_interface (fib_node_index_t path_index) case FIB_PATH_TYPE_RECEIVE: return (path->receive.fp_interface); case FIB_PATH_TYPE_RECURSIVE: - return (fib_entry_get_resolving_interface(path->fp_via_fib)); + if (fib_path_is_resolved(path_index)) + { + return (fib_entry_get_resolving_interface(path->fp_via_fib)); + } + break; case FIB_PATH_TYPE_SPECIAL: case FIB_PATH_TYPE_DEAG: case FIB_PATH_TYPE_EXCLUSIVE: @@ -1698,7 +1702,15 @@ fib_path_contribute_urpf (fib_node_index_t path_index, break; case FIB_PATH_TYPE_RECURSIVE: - fib_entry_contribute_urpf(path->fp_via_fib, urpf); + if (FIB_NODE_INDEX_INVALID != path->fp_via_fib && + !fib_path_is_looped(path_index)) + { + /* + * there's unresolved due to constraints, and there's unresolved + * due to ain't got no via. can't do nowt w'out via. + */ + fib_entry_contribute_urpf(path->fp_via_fib, urpf); + } break; case FIB_PATH_TYPE_EXCLUSIVE: |