Add SCTP socket option SCTP_NRSACK_SUPPORTED to control the

NRSACK extension. The default will still be off, since it
it not an RFC (yet).
Changing the sysctl name will be in a separate commit.

MFC after: 1 week

1 files changed, 1 insertions, 0 deletions

diff --git a/sys/netinet/sctp_pcb.h b/sys/netinet/sctp_pcb.h
index da0bb92dad07..deaca24f7959 100644
--- a/sys/netinet/sctp_pcb.h
+++ b/sys/netinet/sctp_pcb.h
@@ -408,6 +408,7 @@ struct sctp_inpcb {
 	uint32_t sctp_cmt_on_off;
 	uint8_t ecn_supported;
 	uint8_t prsctp_supported;
+	uint8_t nrsack_supported;
 	struct sctp_nonpad_sndrcvinfo def_send;
 	/*-
 	 * These three are here for the sosend_dgram