+static int tos = -1;
+static int param_set_tos(const char *val, cfs_kernel_param_arg_t *kp);
+#ifdef HAVE_KERNEL_PARAM_OPS
+static const struct kernel_param_ops param_ops_tos = {
+ .set = param_set_tos,
+ .get = param_get_int,
+};
+
+#define param_check_tos(name, p) \
+ __param_check(name, p, int)
+module_param(tos, tos, 0444);
+#else
+module_param_call(tos, param_set_tos, param_get_int, &tos, 0444);
+#endif
+MODULE_PARM_DESC(tos, "Set the type of service (=-1 to disable)");
+