sctp: support non-blocking version of the new sctp_connectx() API

Prior implementation of the new sctp_connectx() call that returns
an association ID did not work correctly on non-blocking socket.
This is because we could not return both a EINPROGRESS error and
an association id.  This is a new implementation that supports this.

Originally from Ivan Skytte Jørgensen <isj-sctp@i1.dk

Signed-off-by: Ivan Skytte Jørgensen <isj-sctp@i1.dk
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index b259fc5798fb..1580c04f68bc 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -147,6 +147,8 @@ enum sctp_optname {
 #define SCTP_GET_LOCAL_ADDRS    SCTP_GET_LOCAL_ADDRS
         SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
 #define SCTP_SOCKOPT_CONNECTX   SCTP_SOCKOPT_CONNECTX
+        SCTP_SOCKOPT_CONNECTX3, /* CONNECTX requests. (new implementation) */
+#define SCTP_SOCKOPT_CONNECTX3  SCTP_SOCKOPT_CONNECTX3
 };
 
 /*