1 files changed, 7 insertions, 0 deletions

diff --git a/src/fragmentation/fragmentation.h b/src/fragmentation/fragmentation.h
index e9b3faba5..9473fa31a 100644
--- a/src/fragmentation/fragmentation.h
+++ b/src/fragmentation/fragmentation.h
@@ -46,6 +46,13 @@ struct FragmentAcknowledgement
 
   struct GNUNET_MessageHeader header;
 
+  /**
+   * Bits that are being acknowledged, in big-endian.
+   * (bits that are set correspond to fragments that
+   * have not yet been received).
+   */
+  uint64_t bits;
+
 };