+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "disable"))
+ enable_disable = 0;
+ else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
+ nsm->vnet_main, &sw_if_index))
+ ;
+ else
+ {
+ clib_error_t *error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error,
+ line_input);
+ unformat_free (line_input);
+ return error;
+ }
+ }
+
+ unformat_free (line_input);
+
+ if (sw_if_index == ~0)
+ return clib_error_return (0, "Please specify one interface...");
+
+ rv = nsim_output_feature_enable_disable (nsm, sw_if_index, enable_disable);
+
+ switch (rv)
+ {
+ case 0:
+ break;
+
+ case VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE:
+ return clib_error_return (0, "Not configured, please 'set nsim' first");
+
+ case VNET_API_ERROR_INVALID_SW_IF_INDEX:
+ return clib_error_return
+ (0, "Invalid interface, only works on physical ports");
+ break;
+
+ case VNET_API_ERROR_UNIMPLEMENTED:
+ return clib_error_return (0,
+ "Device driver doesn't support redirection");
+ break;
+
+ default:
+ return clib_error_return
+ (0, "nsim_output_feature_enable_disable returned %d", rv);
+ }