static inline int event2poltype(int event)
{
	switch (event) {
	case XFRM_MSG_DELPOLICY:
		return SADB_X_SPDDELETE;
	case XFRM_MSG_NEWPOLICY:
		return SADB_X_SPDADD;
	case XFRM_MSG_UPDPOLICY:
		return SADB_X_SPDUPDATE;
	case XFRM_MSG_POLEXPIRE:
	//	return SADB_X_SPDEXPIRE;
	default:
		pr_err("pfkey: Unknown policy event %d\n", event);
		break;
	}

	return 0;
}