1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index be2334aaf52e..50b2431405f2 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -206,6 +206,7 @@ enum sctp_sinfo_flags {
         SCTP_UNORDERED = 1,  /* Send/receive message unordered. */
         SCTP_ADDR_OVER = 2,  /* Override the primary destination. */
         SCTP_ABORT=4,        /* Send an ABORT message to the peer. */
+        SCTP_SACK_IMMEDIATELY = 8,      /* SACK should be sent without delay */
         SCTP_EOF=MSG_FIN,    /* Initiate graceful shutdown process. */  
 };