include/osmocom/sgsn/gprs_mm_state_iu_fsm.h

#pragma once

#include <osmocom/core/fsm.h>

struct sgsn_mm_ctx;


/* TS 23.060 6.1.1 Mobility Management States (A/Gb mode) */
enum mm_state_iu_fsm_states {
	ST_PMM_DETACHED,
	ST_PMM_CONNECTED,
	ST_PMM_IDLE
};

enum mm_state_iu_fsm_events {
	E_PMM_PS_ATTACH,
	/* E_PS_DETACH, TODO: not used */
	E_PMM_PS_CONN_RELEASE,
	E_PMM_PS_CONN_ESTABLISH,
	E_PMM_IMPLICIT_DETACH, /* = E_PS_ATTACH_REJECT, E_RAU_REJECT */
	E_PMM_RA_UPDATE, /* = Serving RNC relocation */
	E_PMM_USER_INACTIVITY, /* when the inactivity timer runs out */
};

extern struct osmo_fsm mm_state_iu_fsm;