1 files changed, 46 insertions, 16 deletions

diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index deb5a0a4cee5..36cd8a8526a0 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -77,11 +77,34 @@ struct rdma_route {
         int num_paths;
 };
 
+struct rdma_conn_param {
+        const void *private_data;
+        u8 private_data_len;
+        u8 responder_resources;
+        u8 initiator_depth;
+        u8 flow_control;
+        u8 retry_count;         /* ignored when accepting */
+        u8 rnr_retry_count;
+        /* Fields below ignored if a QP is created on the rdma_cm_id. */
+        u8 srq;
+        u32 qp_num;
+};
+
+struct rdma_ud_param {
+        const void *private_data;
+        u8 private_data_len;
+        struct ib_ah_attr ah_attr;
+        u32 qp_num;
+        u32 qkey;
+};
+
 struct rdma_cm_event {
         enum rdma_cm_event_type  event;
         int                      status;
-        void                    *private_data;
-        u8                       private_data_len;
+        union {
+                struct rdma_conn_param  conn;
+                struct rdma_ud_param    ud;
+        } param;
 };
 
 struct rdma_cm_id;
@@ -204,25 +227,17 @@ void rdma_destroy_qp(struct rdma_cm_id *id);
 int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
                        int *qp_attr_mask);
 
-struct rdma_conn_param {
-        const void *private_data;
-        u8 private_data_len;
-        u8 responder_resources;
-        u8 initiator_depth;
-        u8 flow_control;
-        u8 retry_count;         /* ignored when accepting */
-        u8 rnr_retry_count;
-        /* Fields below ignored if a QP is created on the rdma_cm_id. */
-        u8 srq;
-        u32 qp_num;
-        enum ib_qp_type qp_type;
-};
-
 /**
  * rdma_connect - Initiate an active connection request.
+ * @id: Connection identifier to connect.
+ * @conn_param: Connection information used for connected QPs.
  *
  * Users must have resolved a route for the rdma_cm_id to connect with
  * by having called rdma_resolve_route before calling this routine.
+ *
+ * This call will either connect to a remote QP or obtain remote QP
+ * information for unconnected rdma_cm_id's.  The actual operation is
+ * based on the rdma_cm_id's port space.
  */
 int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);
 
@@ -253,6 +268,21 @@ int rdma_listen(struct rdma_cm_id *id, int backlog);
 int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);
 
 /**
+ * rdma_notify - Notifies the RDMA CM of an asynchronous event that has
+ * occurred on the connection.
+ * @id: Connection identifier to transition to established.
+ * @event: Asynchronous event.
+ *
+ * This routine should be invoked by users to notify the CM of relevant
+ * communication events.  Events that should be reported to the CM and
+ * when to report them are:
+ *
+ * IB_EVENT_COMM_EST - Used when a message is received on a connected
+ *    QP before an RTU has been received.
+ */
+int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event);
+
+/**
  * rdma_reject - Called to reject a connection request or response.
  */
 int rdma_reject(struct rdma_cm_id *id, const void *private_data,