Neels Hofmeyr | bfa8878 | 2016-05-20 21:38:32 +0200 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <stdbool.h> |
| 4 | |
| 5 | struct sgsn_pdp_ctx; |
| 6 | struct msgb; |
| 7 | struct gprs_ra_id; |
| 8 | |
| 9 | struct RANAP_RAB_SetupOrModifiedItemIEs_s; |
| 10 | struct RANAP_GlobalRNC_ID; |
| 11 | |
| 12 | struct ue_conn_ctx { |
| 13 | struct llist_head list; |
| 14 | struct osmo_sccp_link *link; |
| 15 | uint32_t conn_id; |
| 16 | int integrity_active; |
| 17 | struct gprs_ra_id ra_id; |
| 18 | }; |
| 19 | |
| 20 | enum iu_event_type { |
| 21 | IU_EVENT_RAB_ASSIGN, |
| 22 | IU_EVENT_SECURITY_MODE_COMPLETE, |
| 23 | IU_EVENT_IU_RELEASE, /* An actual Iu Release message was received */ |
| 24 | IU_EVENT_LINK_INVALIDATED, /* A SUA link was lost or closed down */ |
Neels Hofmeyr | bfa8878 | 2016-05-20 21:38:32 +0200 | [diff] [blame] | 25 | }; |
| 26 | |
| 27 | extern const struct value_string iu_event_type_names[]; |
| 28 | static inline const char *iu_event_type_str(enum iu_event_type e) |
| 29 | { |
| 30 | return get_value_string(iu_event_type_names, e); |
| 31 | } |
| 32 | |
| 33 | /* Implementations of iu_recv_cb_t shall find the ue_conn_ctx in msg->dst. */ |
| 34 | typedef int (* iu_recv_cb_t )(struct msgb *msg, struct gprs_ra_id *ra_id, |
Neels Hofmeyr | bfa8878 | 2016-05-20 21:38:32 +0200 | [diff] [blame] | 35 | uint16_t *sai); |
| 36 | |
| 37 | typedef int (* iu_event_cb_t )(struct ue_conn_ctx *ue_ctx, |
| 38 | enum iu_event_type type, void *data); |
| 39 | |
| 40 | typedef int (* iu_rab_ass_resp_cb_t )(struct ue_conn_ctx *ue_ctx, uint8_t rab_id, |
| 41 | struct RANAP_RAB_SetupOrModifiedItemIEs_s *setup_ies); |
| 42 | |
| 43 | int iu_init(void *ctx, const char *listen_addr, uint16_t listen_port, |
| 44 | iu_recv_cb_t iu_recv_cb, iu_event_cb_t iu_event_cb); |
| 45 | |
| 46 | void iu_link_del(struct osmo_sccp_link *link); |
| 47 | |
| 48 | int iu_tx(struct msgb *msg, uint8_t sapi); |
| 49 | |
| 50 | int iu_page_cs(const char *imsi, const uint32_t *tmsi, uint16_t lac); |
| 51 | int iu_page_ps(const char *imsi, const uint32_t *ptmsi, uint16_t lac, uint8_t rac); |
| 52 | |
| 53 | int iu_rab_act(struct ue_conn_ctx *ue_ctx, struct msgb *msg); |
| 54 | int iu_rab_deact(struct ue_conn_ctx *ue_ctx, uint8_t rab_id); |
| 55 | int iu_tx_sec_mode_cmd(struct ue_conn_ctx *uectx, struct gsm_auth_tuple *tp, |
| 56 | int send_ck, int new_key); |
Neels Hofmeyr | 9bc42ec | 2016-08-29 13:02:12 +0200 | [diff] [blame] | 57 | |
| 58 | void iu_vty_init(int *asn_debug_p); |