diff options
Diffstat (limited to 'include/osmocom/sgsn/gb_proxy.h')
| -rw-r--r-- | include/osmocom/sgsn/gb_proxy.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/osmocom/sgsn/gb_proxy.h b/include/osmocom/sgsn/gb_proxy.h index ad5bb27f3..04a3c4b49 100644 --- a/include/osmocom/sgsn/gb_proxy.h +++ b/include/osmocom/sgsn/gb_proxy.h @@ -75,6 +75,14 @@ struct gbproxy_config { /* hash table of all gbproxy_cell */ DECLARE_HASHTABLE(cells, 8); + /* tlli<->nse cache used to map SUSPEND/RESUME (N)ACKS */ + struct { + DECLARE_HASHTABLE(entries, 10); + struct osmo_timer_list timer; + /* Time in seconds that the entries should be valid */ + uint8_t timeout; + } tlli_cache; + /* List of all SGSNs */ struct llist_head sgsns; @@ -163,6 +171,19 @@ struct gbproxy_sgsn { } pool; }; +/* TLLI cache */ +struct gbproxy_tlli_cache_entry { + /* linked to gbproxy_config.tlli_cache */ + struct hlist_node list; + + /* TLLI of the entry */ + uint32_t tlli; + /* When was this entry last seen */ + time_t tstamp; + /* The Cell this TLLI was last seen */ + struct gbproxy_nse *nse; +}; + /* Convenience logging macros for NSE/BVC */ #define LOGPNSE_CAT(NSE, SUBSYS, LEVEL, FMT, ARGS...) \ LOGP(SUBSYS, LEVEL, "NSE(%05u/%s) " FMT, (NSE)->nsei, \ @@ -229,6 +250,12 @@ struct gbproxy_nse *gbproxy_nse_alloc(struct gbproxy_config *cfg, uint16_t nsei, void gbproxy_nse_free(struct gbproxy_nse *nse); struct gbproxy_nse *gbproxy_nse_by_nsei(struct gbproxy_config *cfg, uint16_t nsei, uint32_t flags); struct gbproxy_nse *gbproxy_nse_by_nsei_or_new(struct gbproxy_config *cfg, uint16_t nsei, bool sgsn_facing); +struct gbproxy_nse *gbproxy_nse_by_tlli(struct gbproxy_config *cfg, uint32_t tlli); + +/* TLLI cache */ +void gbproxy_tlli_cache_update(struct gbproxy_nse *nse, uint32_t tlli); +void gbproxy_tlli_cache_remove(struct gbproxy_config *cfg, uint32_t tlli); +int gbproxy_tlli_cache_cleanup(struct gbproxy_config *cfg); /* SGSN handling */ struct gbproxy_sgsn *gbproxy_sgsn_alloc(struct gbproxy_config *cfg, uint16_t nsei, const char *name); |