Add various socket option names.
diff --git a/usrsctplib/usrsctp.h b/usrsctplib/usrsctp.h
index 25d087d..0533c49 100644
--- a/usrsctplib/usrsctp.h
+++ b/usrsctplib/usrsctp.h
@@ -549,6 +549,14 @@
#define SCTP_DEFAULT_SNDINFO 0x00000021
#define SCTP_DEFAULT_PRINFO 0x00000022
#define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024
+#define SCTP_ECN_SUPPORTED 0x00000025
+#define SCTP_PR_SUPPORTED 0x00000026
+#define SCTP_AUTH_SUPPORTED 0x00000027
+#define SCTP_ASCONF_SUPPORTED 0x00000028
+#define SCTP_RECONFIG_SUPPORTED 0x00000029
+#define SCTP_NRSACK_SUPPORTED 0x00000030
+#define SCTP_PKTDROP_SUPPORTED 0x00000031
+#define SCTP_MAX_CWND 0x00000032
#define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */