Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <osmocom/msc/msc_roles.h> |
| 4 | |
| 5 | struct ran_conn; |
| 6 | struct ran_infra; |
| 7 | struct ran_peer; |
| 8 | struct gsm_mncc; |
| 9 | struct mncc_call; |
| 10 | |
| 11 | #define LOG_MSC_T(MSC_T, LEVEL, FMT, ARGS ...) \ |
| 12 | LOG_MSC_T_CAT(MSC_T, (MSC_T) ? (MSC_T)->c.ran->log_subsys : DMSC, LEVEL, FMT, ## ARGS) |
| 13 | #define LOG_MSC_T_CAT(MSC_T, SUBSYS, LEVEL, FMT, ARGS ...) \ |
| 14 | LOGPFSMSL((MSC_T) ? (MSC_T)->c.fi : NULL, SUBSYS, LEVEL, FMT, ## ARGS) |
| 15 | #define LOG_MSC_T_CAT_SRC(MSC_T, SUBSYS, LEVEL, SRCFILE, LINE, FMT, ARGS ...) \ |
| 16 | LOGPFSMSLSRC((MSC_T) ? (MSC_T)->c.fi : NULL, SUBSYS, LEVEL, SRCFILE, LINE, FMT, ## ARGS) |
| 17 | |
| 18 | struct msc_t { |
| 19 | /* struct msc_role_common must remain at start */ |
| 20 | struct msc_role_common c; |
| 21 | |
| 22 | struct ran_conn *ran_conn; |
| 23 | |
| 24 | struct { |
| 25 | uint8_t chosen_channel; |
| 26 | uint8_t chosen_encr_alg; |
| 27 | uint8_t chosen_speech_version; |
| 28 | } geran; |
| 29 | |
| 30 | struct { |
| 31 | struct an_apdu ho_request; |
| 32 | struct gsm0808_cell_id cell_id_target; |
Andreas Eversberg | 712b28e | 2023-06-21 11:17:26 +0200 | [diff] [blame] | 33 | uint32_t call_id; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame] | 34 | char handover_number[16]; /* No libosmocore definition for MSISDN_MAXLEN? */ |
| 35 | struct call_leg *call_leg; |
| 36 | struct mncc_call *mncc_forwarding_to_remote_cn; |
| 37 | } inter_msc; |
| 38 | |
| 39 | struct osmo_gsm48_classmark classmark; |
| 40 | bool ho_success; |
| 41 | bool ho_fail_sent; |
| 42 | }; |
| 43 | |
| 44 | enum msc_t_state { |
| 45 | MSC_T_ST_PENDING_FIRST_CO_INITIAL_MSG, |
| 46 | MSC_T_ST_WAIT_LOCAL_RTP, |
| 47 | MSC_T_ST_WAIT_HO_REQUEST_ACK, |
| 48 | MSC_T_ST_WAIT_HO_COMPLETE, |
| 49 | }; |
| 50 | |
| 51 | struct msc_t *msc_t_alloc_without_ran_peer(struct msub *msub, struct ran_infra *ran); |
| 52 | int msc_t_set_ran_peer(struct msc_t *msc_t, struct ran_peer *ran_peer); |
| 53 | struct msc_t *msc_t_alloc(struct msub *msub, struct ran_peer *ran_peer); |
| 54 | int msc_t_down_l2_co(struct msc_t *msc_t, const struct an_apdu *an_apdu, bool initial); |
| 55 | void msc_t_clear(struct msc_t *msc_t); |
| 56 | |
| 57 | struct gsm_network *msc_t_net(const struct msc_t *msc_t); |
| 58 | struct vlr_subscr *msc_t_vsub(const struct msc_t *msc_t); |
| 59 | |
| 60 | struct mncc_call *msc_t_check_call_to_handover_number(const struct gsm_mncc *msg); |