63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
#pragma once
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#include <stdint.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/rua/RUA_CN-DomainIndicator.h>
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struct msgb;
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enum hnbgw_context_map_state {
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MAP_S_NULL,
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MAP_S_ACTIVE, /* currently active map */
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MAP_S_RESERVED1, /* just disconnected, still resrved */
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MAP_S_RESERVED2, /* still reserved */
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MAP_S_NUM_STATES /* Number of states, keep this at the end */
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};
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extern const struct value_string hnbgw_context_map_state_names[];
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static inline const char *hnbgw_context_map_state_name(enum hnbgw_context_map_state val)
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{ return get_value_string(hnbgw_context_map_state_names, val); }
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struct hnb_context;
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struct hnbgw_cnlink;
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struct hnbgw_context_map {
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/* entry in the per-CN list of mappings */
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struct llist_head cn_list;
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/* entry in the per-HNB list of mappings */
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struct llist_head hnb_list;
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/* pointer to HNB */
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struct hnb_context *hnb_ctx;
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/* pointer to CN */
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struct hnbgw_cnlink *cn_link;
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/* RUA contxt ID */
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uint32_t rua_ctx_id;
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/* False for CS, true for PS */
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bool is_ps;
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/* SCCP User SAP connection ID */
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uint32_t scu_conn_id;
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/* Pending data to be sent: when we send an "empty" SCCP CR first, the initial RANAP message will be sent in a
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* separate DT once the CR is confirmed. This caches the initial RANAP message. */
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struct msgb *cached_msg;
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enum hnbgw_context_map_state state;
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/* FSM instance for the MGW */
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struct osmo_fsm_inst *mgw_fi;
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};
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struct hnbgw_context_map *
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context_map_alloc_by_hnb(struct hnb_context *hnb, uint32_t rua_ctx_id,
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bool is_ps,
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struct hnbgw_cnlink *cn_if_new);
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struct hnbgw_context_map *
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context_map_by_cn(struct hnbgw_cnlink *cn, uint32_t scu_conn_id);
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int context_map_send_cached_msg(struct hnbgw_context_map *map);
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void context_map_deactivate(struct hnbgw_context_map *map);
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int context_map_init(struct hnb_gw *gw);
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