u32 salt,
const ip46_address_t * tunnel_src_addr,
const ip46_address_t * tunnel_dst_addr,
u32 salt,
const ip46_address_t * tunnel_src_addr,
const ip46_address_t * tunnel_dst_addr,
extern index_t ipsec_sa_find_and_lock (u32 id);
extern int ipsec_sa_unlock_id (u32 id);
extern void ipsec_sa_unlock (index_t sai);
extern index_t ipsec_sa_find_and_lock (u32 id);
extern int ipsec_sa_unlock_id (u32 id);
extern void ipsec_sa_unlock (index_t sai);