extern int ipsec_itf_create (u32 user_instance,
tunnel_mode_t mode, u32 * sw_if_indexp);
extern int ipsec_itf_delete (u32 sw_if_index);
+extern void ipsec_itf_reset_tx_nodes (u32 sw_if_index);
extern void ipsec_itf_adj_stack (adj_index_t ai, u32 sai);
extern void ipsec_itf_adj_unstack (adj_index_t ai);