[SCTP]: Implement SCTP_PARTIAL_DELIVERY_POINT option.

This option induces partial delivery to run as soon
as the specified amount of data has been accumulated on
the association.  However, we give preference to fully
reassembled messages over PD messages.  In any case,
window and buffer is freed up.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@.hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index e77316088dc7..9a8352710631 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -99,6 +99,8 @@ enum sctp_optname {
 #define SCTP_CONTEXT SCTP_CONTEXT
         SCTP_FRAGMENT_INTERLEAVE,
 #define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE
+        SCTP_PARTIAL_DELIVERY_POINT,    /* Set/Get partial delivery point */
+#define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT
 
         /* Internal Socket Options. Some of the sctp library functions are 
          * implemented using these socket options.