RDMA/ucma: Allow user space to set service type

Export the ability to set the type of service to user space.  Model
the interface after setsockopt.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/include/rdma/rdma_user_cm.h b/include/rdma/rdma_user_cm.h
index f632b0c007c..9749c1b34d0 100644
--- a/include/rdma/rdma_user_cm.h
+++ b/include/rdma/rdma_user_cm.h
@@ -212,4 +212,22 @@ struct rdma_ucm_event_resp {
         } param;
 };
 
+/* Option levels */
+enum {
+        RDMA_OPTION_ID          = 0
+};
+
+/* Option details */
+enum {
+        RDMA_OPTION_ID_TOS      = 0
+};
+
+struct rdma_ucm_set_option {
+        __u64 optval;
+        __u32 id;
+        __u32 level;
+        __u32 optname;
+        __u32 optlen;
+};
+
 #endif /* RDMA_USER_CM_H */