Neels Hofmeyr | aae68b2 | 2017-07-05 14:38:52 +0200 | [diff] [blame] | 1 | #pragma once |
| 2 | |
| 3 | #include <stdbool.h> |
| 4 | |
| 5 | #include <osmocom/core/linuxlist.h> |
| 6 | #include <osmocom/gsm/gsm48.h> |
| 7 | #include <osmocom/sigtran/sccp_sap.h> |
| 8 | |
| 9 | struct msgb; |
| 10 | struct osmo_auth_vector; |
| 11 | |
| 12 | struct RANAP_RAB_SetupOrModifiedItemIEs_s; |
| 13 | struct RANAP_Cause; |
| 14 | |
| 15 | struct ranap_iu_rnc; |
| 16 | |
| 17 | /* Debugging switches from asn1c and osmo-iuh */ |
| 18 | extern int asn_debug; |
| 19 | extern int asn1_xer_print; |
| 20 | |
| 21 | enum ranap_nsap_addr_enc { |
| 22 | RANAP_NSAP_ADDR_ENC_X213, |
| 23 | RANAP_NSAP_ADDR_ENC_V4RAW, |
| 24 | }; |
| 25 | |
| 26 | struct ranap_ue_conn_ctx { |
| 27 | struct llist_head list; |
| 28 | struct ranap_iu_rnc *rnc; |
| 29 | uint32_t conn_id; |
| 30 | int integrity_active; |
| 31 | struct gprs_ra_id ra_id; |
| 32 | enum ranap_nsap_addr_enc rab_assign_addr_enc; |
| 33 | }; |
| 34 | |
| 35 | enum ranap_iu_event_type { |
| 36 | RANAP_IU_EVENT_RAB_ASSIGN, |
| 37 | RANAP_IU_EVENT_SECURITY_MODE_COMPLETE, |
| 38 | RANAP_IU_EVENT_IU_RELEASE, /* An actual Iu Release message was received */ |
| 39 | RANAP_IU_EVENT_LINK_INVALIDATED, /* A SUA link was lost or closed down */ |
| 40 | }; |
| 41 | |
| 42 | extern const struct value_string ranap_iu_event_type_names[]; |
| 43 | static inline const char *ranap_iu_event_type_str(enum ranap_iu_event_type e) |
| 44 | { |
| 45 | return get_value_string(ranap_iu_event_type_names, e); |
| 46 | } |
| 47 | |
| 48 | /* Implementations of iu_recv_cb_t shall find the ranap_ue_conn_ctx in msg->dst. */ |
| 49 | typedef int (* ranap_iu_recv_cb_t )(struct msgb *msg, struct gprs_ra_id *ra_id, |
| 50 | uint16_t *sai); |
| 51 | |
| 52 | typedef int (* ranap_iu_event_cb_t )(struct ranap_ue_conn_ctx *ue_ctx, |
| 53 | enum ranap_iu_event_type type, void *data); |
| 54 | |
| 55 | typedef int (* ranap_iu_rab_ass_resp_cb_t )(struct ranap_ue_conn_ctx *ue_ctx, uint8_t rab_id, |
| 56 | struct RANAP_RAB_SetupOrModifiedItemIEs_s *setup_ies); |
| 57 | |
| 58 | int ranap_iu_init(void *ctx, int log_subsystem, const char *sccp_user_name, struct osmo_sccp_instance *sccp, |
| 59 | ranap_iu_recv_cb_t iu_recv_cb, ranap_iu_event_cb_t iu_event_cb); |
| 60 | |
| 61 | int ranap_iu_tx(struct msgb *msg, uint8_t sapi); |
| 62 | |
| 63 | int ranap_iu_page_cs(const char *imsi, const uint32_t *tmsi, uint16_t lac); |
| 64 | int ranap_iu_page_ps(const char *imsi, const uint32_t *ptmsi, uint16_t lac, uint8_t rac); |
| 65 | |
| 66 | int ranap_iu_rab_act(struct ranap_ue_conn_ctx *ue_ctx, struct msgb *msg); |
| 67 | int ranap_iu_rab_deact(struct ranap_ue_conn_ctx *ue_ctx, uint8_t rab_id); |
| 68 | int ranap_iu_tx_sec_mode_cmd(struct ranap_ue_conn_ctx *uectx, struct osmo_auth_vector *vec, |
| 69 | int send_ck, int new_key); |
| 70 | int ranap_iu_tx_common_id(struct ranap_ue_conn_ctx *ue_ctx, const char *imsi); |
| 71 | int ranap_iu_tx_release(struct ranap_ue_conn_ctx *ctx, const struct RANAP_Cause *cause); |
| 72 | |
| 73 | void ranap_iu_vty_init(int iu_parent_node, enum ranap_nsap_addr_enc *rab_assign_addr_enc); |
| 74 | int ranap_iu_vty_config_write(struct vty *vty, const char *indent); |