if_ipsec_add_sp0
static inline struct secpolicy *if_ipsec_add_sp0(struct sockaddr *,
IV_SP_IN(var) = if_ipsec_add_sp0(dst, dport, src, sport,
IV_SP_OUT(var) = if_ipsec_add_sp0(src, sport, dst, dport,
IV_SP_IN6(var) = if_ipsec_add_sp0(dst, dport, src, sport,
IV_SP_OUT6(var) = if_ipsec_add_sp0(src, sport, dst, dport,