diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index 7f60fdc..98fcbe7 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h
@@ -74,6 +74,12 @@
 
   grpc_stream_op_buffer *recv_ops;
   grpc_stream_state *recv_state;
+  /** The number of bytes this peer is currently prepared to receive.
+
+      Bytes offered are used to replenish per-stream flow control windows.
+      Offers are not retractable: if 5 bytes are offered and no bytes are read,
+        a later offer of 3 bytes still implies that 5 have been offered. */
+  gpr_uint32 max_recv_bytes;
   void (*on_done_recv)(void *user_data, int success);
   void *recv_user_data;