diff options
Diffstat (limited to 'src/hnbgw.h')
| -rw-r--r-- | src/hnbgw.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/src/hnbgw.h b/src/hnbgw.h deleted file mode 100644 index 21a9602..0000000 --- a/src/hnbgw.h +++ /dev/null @@ -1,154 +0,0 @@ -#pragma once - -#include <osmocom/core/select.h> -#include <osmocom/core/linuxlist.h> -#include <osmocom/core/write_queue.h> -#include <osmocom/core/timer.h> -#include <osmocom/sigtran/sccp_sap.h> - -#define DEBUG -#include <osmocom/core/logging.h> - - -enum { - DMAIN, - DHNBAP, - DSUA, - DRUA, - DRANAP, -}; - - -/* 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; - -enum hnbgw_cnlink_state { - /* we have just been initialized or were disconnected */ - CNLINK_S_NULL, - /* establishment of the SUA/SCCP link is pending */ - CNLINK_S_EST_PEND, - /* establishment of the SUA/SCCP link was confirmed */ - CNLINK_S_EST_CONF, - /* we have esnt the RANAP RESET and wait for the ACK */ - CNLINK_S_EST_RST_TX_WAIT_ACK, - /* we have received the RANAP RESET ACK and are active */ - CNLINK_S_EST_ACTIVE, -}; - -struct hnbgw_cnlink { - struct llist_head list; - enum hnbgw_cnlink_state state; - struct hnb_gw *gw; - /* are we a PS connection (1) or CS (0) */ - int is_ps; - /* timer for re-transmitting the RANAP Reset */ - struct osmo_timer_list T_RafC; - /* reference to the SCCP User SAP by which we communicate */ - struct osmo_sccp_user *sua_user; - struct osmo_sccp_link *sua_link; - struct osmo_sccp_addr local_addr; - struct osmo_sccp_addr remote_addr; - uint32_t next_conn_id; - - /* linked list of hnbgw_context_map */ - struct llist_head map_list; -}; - -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_stream_srv *conn; - /*! 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; - - /* linked list of hnbgw_context_map */ - struct llist_head map_list; -}; - -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]; - /* TODO: track TMSI, for HNBAP UE Register Request with TMSI, - * seen with ip.access nano3G femto cell */ - /*! UE is serviced via this HNB */ - struct hnb_context *hnb; -}; - -#define HNBGW_IUH_BIND_ADDR_DEFAULT "0.0.0.0" - -struct hnb_gw { - struct { - const char *iuh_bind_addr; - /*! 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_stream_srv_link *iuh; - /* list of struct hnb_context */ - struct llist_head hnb_list; - /* list of struct ue_context */ - struct llist_head ue_list; - /* list of struct hnbgw_cnlink */ - struct llist_head cn_list; - /* next availble UE Context ID */ - uint32_t next_ue_ctx_id; - - /* currently active CN links for CS and PS */ - struct hnbgw_cnlink *cnlink_cs; - struct hnbgw_cnlink *cnlink_ps; -}; - -extern void *talloc_asn1_ctx; - -struct ue_context *ue_context_by_id(struct hnb_gw *gw, uint32_t id); -struct ue_context *ue_context_by_imsi(struct hnb_gw *gw, const char *imsi); -struct ue_context *ue_context_alloc(struct hnb_context *hnb, const char *imsi); -void ue_context_free(struct ue_context *ue); - -struct hnb_context *hnb_context_alloc(struct hnb_gw *gw, struct osmo_stream_srv_link *link, int new_fd); -void hnb_context_release(struct hnb_context *ctx); - -void hnbgw_vty_init(struct hnb_gw *gw, void *tall_ctx); - -/* - * Return IP address passed to the hnbgw/iuh/bind command, or - * IUH_BIND_ADDR_DEFAULT - */ -const char *hnbgw_get_iuh_bind_addr(struct hnb_gw *gw); |