ugni: add mca parameter to control the number of smsg retries

This commit was SVN r26317.

ompi/mca/btl/ugni/btl_ugni.h

@@ -119,6 +119,7 @@ typedef struct mca_btl_ugni_component_t {
     int ugni_eager_max;
     int ugni_eager_inc;
 
+    int smsg_max_retries;
     /* number of times to retry a post */
     int rdma_max_retries;
 

ompi/mca/btl/ugni/btl_ugni_component.c

@@ -113,6 +113,10 @@ btl_ugni_component_register(void)
     mca_btl_ugni_component.rdma_max_retries =
         mca_btl_ugni_param_register_int("rdma_max_retries", NULL, 16);
 
+
+    mca_btl_ugni_component.smsg_max_retries =
+        mca_btl_ugni_param_register_int("smsg_max_retries", NULL, 16);
+
     mca_btl_ugni_component.max_mem_reg =
         mca_btl_ugni_param_register_int("max_mem_reg", "Maximum number of "
                                         "memory registrations a process can "

ompi/mca/btl/ugni/btl_ugni_module.c

@@ -153,6 +153,13 @@ mca_btl_ugni_module_init (mca_btl_ugni_module_t *ugni_module,
         return ompi_common_rc_ugni_to_ompi (rc);
     }
 
+    rc = GNI_SmsgSetMaxRetrans (ugni_module->device->dev_handle,
+                                mca_btl_ugni_component.smsg_max_retries);
+    if (GNI_RC_SUCCESS != rc) {
+        BTL_ERROR(("error setting maximum SMSG retries"));
+        return ompi_common_rc_ugni_to_ompi (rc);
+    }
+
     ugni_module->next_frag_id = 0;
 
     return OMPI_SUCCESS;