datapath: Fix OVS build failure on older kernel

[openvswitch] / lib / util.h

diff --git a/lib/util.h b/lib/util.h
index 5c8618d33ea868efbcf6f049dcfb728c67324608..5ae0775f1b36491e36b6d720a4ee73456000403a 100644 (file)
--- a/lib/util.h
+++ b/lib/util.h
@@ -197,6 +197,9 @@ void ignore(bool x OVS_UNUSED);
 int log_2_floor(uint32_t);
 int ctz(uint32_t);
 
+bool is_all_zeros(const uint8_t *, size_t);
+bool is_all_ones(const uint8_t *, size_t);
+
 #ifdef  __cplusplus
 }
 #endif