--- src/include/netinet/sctp.h	2009-10-24 02:43:44.000000000 +0200
+++ src/include/netinet/sctp.h.oden	2012-03-15 09:04:29.504341900 +0100
@@ -413,6 +413,20 @@ struct sctp_authkey_event {
 
 enum { SCTP_AUTH_NEWKEY = 0, };
 
+/*
+ * 6.1.9. SCTP_SENDER_DRY_EVENT
+ *
+ * When the SCTP stack has no more user data to send or retransmit, this
+ * notification is given to the user. Also, at the time when a user app
+ * subscribes to this event, if there is no data to be sent or
+ * retransmit, the stack will immediately send up this notification.
+ */
+struct sctp_sender_dry_event {
+	__u16 sender_dry_type;
+	__u16 sender_dry_flags;
+	__u32 sender_dry_length;
+	sctp_assoc_t sender_dry_assoc_id;
+};
 
 /*
  * Described in Section 7.3
@@ -428,6 +442,7 @@ struct sctp_event_subscribe {
 	__u8 sctp_partial_delivery_event;
 	__u8 sctp_adaptation_layer_event;
 	__u8 sctp_authentication_event;
+	__u8 sctp_sender_dry_event;
 };
 
 /*
@@ -451,6 +466,7 @@ union sctp_notification {
 	struct sctp_adaptation_event sn_adaptation_event;
 	struct sctp_pdapi_event sn_pdapi_event;
 	struct sctp_authkey_event sn_authkey_event;
+	struct sctp_sender_dry_event sn_sender_dry_event;
 };
 
 /* Section 5.3.1
@@ -468,6 +484,7 @@ enum sctp_sn_type {
 	SCTP_PARTIAL_DELIVERY_EVENT,
 	SCTP_ADAPTATION_INDICATION,
 	SCTP_AUTHENTICATION_INDICATION,
+	SCTP_SENDER_DRY_EVENT,
 };
 
 /* Notification error codes used to fill up the error fields in some