| #pragma once |
| |
| #include <osmocom/core/select.h> |
| #include <osmocom/core/linuxlist.h> |
| #include <osmocom/core/write_queue.h> |
| |
| #define DEBUG |
| #include <osmocom/core/logging.h> |
| |
| #define msgb_ppid(msg) (msg)->cb[0] |
| |
| enum { |
| DMAIN, |
| DHNBAP, |
| }; |
| |
| |
| /* 25.467 Section 7.1 */ |
| #define IUH_DEFAULT_SCTP_PORT 29169 |
| #define RNA_DEFAULT_SCTP_PORT 25471 |
| |
| #define IUH_PPI_RUA 19 |
| #define IUH_PPI_HNBAP 20 |
| #define IUH_PPI_SABP 31 |
| #define IUH_PPI_RNA 42 |
| #define IUH_PPI_PUA 55 |
| |
| #define IUH_MSGB_SIZE 2048 |
| |
| struct umts_cell_id { |
| uint16_t mcc; /*!< Mobile Country Code */ |
| uint16_t mnc; /*!< Mobile Network Code */ |
| uint16_t lac; /*!< Locaton Area Code */ |
| uint16_t rac; /*!< Routing Area Code */ |
| uint16_t sac; /*!< Service Area Code */ |
| uint32_t cid; /*!< Cell ID */ |
| }; |
| |
| struct hnb_gw; |
| |
| struct hnb_context { |
| /*! Entry in HNB-global list of HNB */ |
| struct llist_head list; |
| /*! HNB-GW we are part of */ |
| struct hnb_gw *gw; |
| /*! SCTP socket + write queue for Iuh to this specific HNB */ |
| struct osmo_wqueue wqueue; |
| /*! copied from HNB-Identity-Info IE */ |
| char identity_info[256]; |
| /*! copied from Cell Identity IE */ |
| struct umts_cell_id id; |
| |
| /*! SCTP stream ID for HNBAP */ |
| uint16_t hnbap_stream; |
| /*! SCTP stream ID for RUA */ |
| uint16_t rua_stream; |
| }; |
| |
| struct ue_context { |
| /*! Entry in the HNB-global list of UE */ |
| struct llist_head list; |
| /*! Unique Context ID for this UE */ |
| uint32_t context_id; |
| char imsi[16+1]; |
| /*! UE is serviced via this HNB */ |
| struct hnb_context *hnb; |
| }; |
| |
| struct hnb_gw { |
| struct { |
| /*! SCTP port for Iuh listening */ |
| uint16_t iuh_listen_port; |
| /*! The UDP port where we receive multiplexed CS user |
| * plane traffic from HNBs */ |
| uint16_t iuh_cs_mux_port; |
| uint16_t rnc_id; |
| } config; |
| /*! SCTP listen socket for incoming connections */ |
| struct osmo_fd listen_fd; |
| struct llist_head hnb_list; |
| struct llist_head ue_list; |
| uint32_t next_ue_ctx_id; |
| }; |
| |
| extern struct hnb_gw g_hnb_gw; |
| |
| struct ue_context *ue_context_by_id(uint32_t id); |
| struct ue_context *ue_context_by_imsi(const char *imsi); |
| struct ue_context *ue_context_alloc(struct hnb_context *hnb, const char *imsi); |
| void ue_context_free(struct ue_context *ue); |