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#ifndef _GSM48_MM_H
#define _GSM48_MM_H
/* GSM 04.07 9.2.2 */
#define GSM48_MMXX_MASK 0xf00
#define GSM48_MMCC_CLASS 0x100
#define GSM48_MMSS_CLASS 0x200
#define GSM48_MMSMS_CLASS 0x300
#define GSM48_MMCC_EST_REQ 0x110
#define GSM48_MMCC_EST_IND 0x112
#define GSM48_MMCC_EST_CNF 0x111
#define GSM48_MMCC_REL_REQ 0x120
#define GSM48_MMCC_REL_IND 0x122
#define GSM48_MMCC_DATA_REQ 0x130
#define GSM48_MMCC_DATA_IND 0x132
#define GSM48_MMCC_UNIT_DATA_REQ 0x140
#define GSM48_MMCC_UNIT_DATA_IND 0x142
#define GSM48_MMCC_SYNC_IND 0x152
#define GSM48_MMCC_REEST_REQ 0x160
#define GSM48_MMCC_REEST_CNF 0x161
#define GSM48_MMCC_ERR_IND 0x172
#define GSM48_MMCC_PROMPT_IND 0x182
#define GSM48_MMCC_PROMPT_REJ 0x184
#define GSM48_MMSS_EST_REQ 0x210
#define GSM48_MMSS_EST_IND 0x212
#define GSM48_MMSS_EST_CNF 0x211
#define GSM48_MMSS_REL_REQ 0x220
#define GSM48_MMSS_REL_IND 0x222
#define GSM48_MMSS_DATA_REQ 0x230
#define GSM48_MMSS_DATA_IND 0x232
#define GSM48_MMSS_UNIT_DATA_REQ 0x240
#define GSM48_MMSS_UNIT_DATA_IND 0x242
#define GSM48_MMSS_REEST_REQ 0x260
#define GSM48_MMSS_REEST_CNF 0x261
#define GSM48_MMSS_ERR_IND 0x272
#define GSM48_MMSS_PROMPT_IND 0x282
#define GSM48_MMSS_PROMPT_REJ 0x284
#define GSM48_MMSMS_EST_REQ 0x310
#define GSM48_MMSMS_EST_IND 0x312
#define GSM48_MMSMS_EST_CNF 0x311
#define GSM48_MMSMS_REL_REQ 0x320
#define GSM48_MMSMS_REL_IND 0x322
#define GSM48_MMSMS_DATA_REQ 0x330
#define GSM48_MMSMS_DATA_IND 0x332
#define GSM48_MMSMS_UNIT_DATA_REQ 0x340
#define GSM48_MMSMS_UNIT_DATA_IND 0x342
#define GSM48_MMSMS_REEST_REQ 0x360
#define GSM48_MMSMS_REEST_CNF 0x361
#define GSM48_MMSMS_ERR_IND 0x372
#define GSM48_MMSMS_PROMPT_IND 0x382
#define GSM48_MMSMS_PROMPT_REJ 0x384
#define MMXX_ALLOC_SIZE 256
#define MMXX_ALLOC_HEADROOM 64
/* MMxx-SAP header */
struct gsm48_mmxx_hdr {
int msg_type; /* MMxx_* primitive */
uint32_t ref; /* reference to transaction */
uint32_t transaction_id; /* transaction identifier */
uint8_t sapi; /* sapi */
uint8_t emergency; /* emergency type of call */
uint8_t cause; /* cause used for release */
};
/* GSM 6.1.2 */
#define GSM48_MMR_REG_REQ 0x01
#define GSM48_MMR_REG_CNF 0x02
#define GSM48_MMR_NREG_REQ 0x03
#define GSM48_MMR_NREG_IND 0x04
/* MMR-SAP header */
struct gsm48_mmr {
int msg_type;
uint8_t cause;
};
/* GSM 04.07 9.2.1 */
#define GSM48_MMXX_ST_IDLE 0
#define GSM48_MMXX_ST_CONN_PEND 1
#define GSM48_MMXX_ST_DEDICATED 2
#define GSM48_MMXX_ST_CONN_SUSP 3
#define GSM48_MMXX_ST_REESTPEND 4
/* GSM 04.08 4.1.2.1 */
#define GSM48_MM_ST_NULL 0
#define GSM48_MM_ST_LOC_UPD_INIT 3
#define GSM48_MM_ST_WAIT_OUT_MM_CONN 5
#define GSM48_MM_ST_MM_CONN_ACTIVE 6
#define GSM48_MM_ST_IMSI_DETACH_INIT 7
#define GSM48_MM_ST_PROCESS_CM_SERV_P 8
#define GSM48_MM_ST_WAIT_NETWORK_CMD 9
#define GSM48_MM_ST_LOC_UPD_REJ 10
#define GSM48_MM_ST_WAIT_RR_CONN_LUPD 13
#define GSM48_MM_ST_WAIT_RR_CONN_MM_CON 14
#define GSM48_MM_ST_WAIT_RR_CONN_IMSI_D 15
#define GSM48_MM_ST_WAIT_REEST 17
#define GSM48_MM_ST_WAIT_RR_ACTIVE 18
#define GSM48_MM_ST_MM_IDLE 19
#define GSM48_MM_ST_WAIT_ADD_OUT_MM_CON 20
#define GSM48_MM_ST_MM_CONN_ACTIVE_VGCS 21
#define GSM48_MM_ST_WAIT_RR_CONN_VGCS 22
#define GSM48_MM_ST_LOC_UPD_PEND 23
#define GSM48_MM_ST_IMSI_DETACH_PEND 24
#define GSM48_MM_ST_RR_CONN_RELEASE_NA 25
/* GSM 04.08 4.1.2.1 */
#define GSM48_MM_SST_NORMAL_SERVICE 1
#define GSM48_MM_SST_ATTEMPT_UPDATE 2
#define GSM48_MM_SST_LIMITED_SERVICE 3
#define GSM48_MM_SST_NO_IMSI 4
#define GSM48_MM_SST_NO_CELL_AVAIL 5
#define GSM48_MM_SST_LOC_UPD_NEEDED 6
#define GSM48_MM_SST_PLMN_SEARCH 7
#define GSM48_MM_SST_PLMN_SEARCH_NORMAL 8
#define GSM48_MM_SST_RX_VGCS_NORMAL 9
#define GSM48_MM_SST_RX_VGCS_LIMITED 10
/* MM events */
#define GSM48_MM_EVENT_CELL_SELECTED 1
#define GSM48_MM_EVENT_NO_CELL_FOUND 2
#define GSM48_MM_EVENT_TIMEOUT_T3210 3
#define GSM48_MM_EVENT_TIMEOUT_T3211 4
#define GSM48_MM_EVENT_TIMEOUT_T3212 5
#define GSM48_MM_EVENT_TIMEOUT_T3213 6
#define GSM48_MM_EVENT_TIMEOUT_T3220 7
#define GSM48_MM_EVENT_TIMEOUT_T3230 8
#define GSM48_MM_EVENT_TIMEOUT_T3240 9
#define GSM48_MM_EVENT_IMSI_DETACH 10
#define GSM48_MM_EVENT_POWER_OFF 11
#define GSM48_MM_EVENT_PAGING 12
#define GSM48_MM_EVENT_AUTH_RESPONSE 13
#define GSM48_MM_EVENT_SYSINFO 14
#define GSM48_MM_EVENT_USER_PLMN_SEL 15
#define GSM48_MM_EVENT_LOST_COVERAGE 16
/* message for MM events */
struct gsm48_mm_event {
uint32_t msg_type;
uint8_t sres[4];
};
/* GSM 04.08 MM timers */
#define GSM_T3210_MS 20, 0
#define GSM_T3211_MS 15, 0
/* T3212 is given by SYSTEM INFORMATION */
#define GSM_T3213_MS 4, 0
#define GSM_T3220_MS 5, 0
#define GSM_T3230_MS 15, 0
#define GSM_T3240_MS 10, 0
#define GSM_T3241_MS 300, 0
/* MM sublayer instance */
struct gsm48_mmlayer {
struct osmocom_ms *ms;
int state;
int substate;
/* queue for RR-SAP, MMxx-SAP, MMR-SAP, events message upwards */
struct llist_head rr_upqueue;
struct llist_head mmxx_upqueue;
struct llist_head mmr_downqueue;
struct llist_head event_queue;
/* timers */
struct osmo_timer_list t3210, t3211, t3212, t3213;
struct osmo_timer_list t3220, t3230, t3240;
int t3212_value;
int start_t3211; /* remember to start timer */
/* list of MM connections */
struct llist_head mm_conn;
/* network name */
char name_short[32];
char name_long[32];
/* location update */
uint8_t lupd_pending; /* current pending loc. upd. */
uint8_t lupd_type; /* current coded type */
uint8_t lupd_attempt; /* attempt counter */
uint8_t lupd_ra_failure;/* random access failed */
uint8_t lupd_rej_cause; /* cause of last reject */
uint8_t lupd_periodic; /* periodic update pending */
uint8_t lupd_retry; /* pending T3211/T3213 to */
uint16_t lupd_mcc, lupd_mnc, lupd_lac;
/* imsi detach */
uint8_t delay_detach; /* do detach when possible */
/* other */
uint8_t est_cause; /* cause of establishment msg */
int mr_substate; /* rem most recent substate */
uint8_t power_off_idle; /* waits for IDLE before po */
/* sapi 3 */
int sapi3_link;
};
/* MM connection entry */
struct gsm48_mm_conn {
struct llist_head list;
struct gsm48_mmlayer *mm;
/* ref and type form a unique tupple */
uint32_t ref; /* reference to trans */
uint8_t protocol;
uint8_t transaction_id;
uint8_t sapi;
int state;
};
uint8_t gsm48_current_pwr_lev(struct gsm_settings *set, uint16_t arfcn);
int gsm48_mm_init(struct osmocom_ms *ms);
int gsm48_mm_exit(struct osmocom_ms *ms);
struct msgb *gsm48_mmr_msgb_alloc(int msg_type);
struct msgb *gsm48_mmevent_msgb_alloc(int msg_type);
int gsm48_mmevent_msg(struct osmocom_ms *ms, struct msgb *msg);
int gsm48_mmr_downmsg(struct osmocom_ms *ms, struct msgb *msg);
int gsm48_rr_dequeue(struct osmocom_ms *ms);
int gsm48_mmxx_dequeue(struct osmocom_ms *ms);
int gsm48_mmr_dequeue(struct osmocom_ms *ms);
int gsm48_mmevent_dequeue(struct osmocom_ms *ms);
int gsm48_mmxx_downmsg(struct osmocom_ms *ms, struct msgb *msg);
struct msgb *gsm48_mmxx_msgb_alloc(int msg_type, uint32_t ref,
uint8_t transaction_id, uint8_t sapi);
const char *get_mmr_name(int value);
const char *get_mm_name(int value);
const char *get_mmxx_name(int value);
extern const char *gsm48_mm_state_names[];
extern const char *gsm48_mm_substate_names[];
#endif /* _GSM48_MM_H */
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