sctp: Implement socket option SCTP_GET_ASSOC_NUMBER
Implement socket option SCTP_GET_ASSOC_NUMBER of the latest ietf socket
extensions API draft.
8.2.5. Get the Current Number of Associations (SCTP_GET_ASSOC_NUMBER)
This option gets the current number of associations that are attached
to a one-to-many style socket. The option value is an uint32_t.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index f205b10..b259fc5 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -118,6 +118,8 @@
#define SCTP_PEER_AUTH_CHUNKS SCTP_PEER_AUTH_CHUNKS
SCTP_LOCAL_AUTH_CHUNKS, /* Read only */
#define SCTP_LOCAL_AUTH_CHUNKS SCTP_LOCAL_AUTH_CHUNKS
+ SCTP_GET_ASSOC_NUMBER, /* Read only */
+#define SCTP_GET_ASSOC_NUMBER SCTP_GET_ASSOC_NUMBER
/* Internal Socket Options. Some of the sctp library functions are