diff options
Diffstat (limited to 'openbsc/include/openbsc/gprs_sgsn.h')
| -rw-r--r-- | openbsc/include/openbsc/gprs_sgsn.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h new file mode 100644 index 000000000..87c7fa874 --- /dev/null +++ b/openbsc/include/openbsc/gprs_sgsn.h @@ -0,0 +1,107 @@ +#ifndef _GPRS_SGSN_H +#define _GPRS_SGSN_H + +/* TS 04.08 4.1.3.3 GMM mobility management states on the network side */ +enum gprs_mm_state { + GMM_DEREGISTERED, /* 4.1.3.3.1.1 */ + GMM_COMMON_PROC_INIT, /* 4.1.3.3.1.2 */ + GMM_REGISTERED_NORMAL, /* 4.1.3.3.2.1 */ + GMM_REGISTERED_SUSPENDED, /* 4.1.3.3.2.2 */ + GMM_DEREGISTERED_INIT, /* 4.1.3.3.1.4 */ +}; + +enum gprs_ciph_algo { + GPRS_ALGO_GEA0, + GPRS_ALGO_GEA1, + GPRS_ALGO_GEA2, +}; + +#define MS_RADIO_ACCESS_CAPA + +/* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */ +struct sgsn_mm_ctx { + struct llist_head list; + + char imsi[GSM_IMSI_LENGTH]; + enum gprs_mm_state mm_state; + u_int32_t p_tmsi; + u_int32_t p_tmsi_sig; + char imei[GSM_IMEI_LENGTH]; + char msisdn[GSM_EXTENSION_LENGTH]; + struct gprs_ra_id ra; + u_int16_t cell_id; + u_int32_t cell_id_age; + /* VLR number */ + u_int32_t new_sgsn_addr; + /* Authentication Triplets */ + /* Kc */ + /* CKSN */ + enum gprs_ciph_algo ciph_algo; + struct { + u_int8_t buf[14]; /* 10.5.5.12a */ + u_int8_t len; + } ms_radio_access_capa; + struct { + u_int8_t buf[4]; /* 10.5.5.12 */ + u_int8_t len; + } ms_network_capa; + u_int16_t drx_parms; + int mnrg; /* MS reported to HLR? */ + int ngaf; /* MS reported to MSC/VLR? */ + int ppf; /* paging for GPRS + non-GPRS? */ + /* SMS Parameters */ + int recovery; + u_int8_t radio_prio_sms; + + struct llist_head pdp_list; + + /* Additional bits not present in the GSM TS */ + u_int32_t tlli; + struct timer_list timer; + unsigned int T; +}; + +enum pdp_ctx_state { + PDP_STAE_NONE, +}; + +enum pdp_type { + PDP_TYPE_NONE, +}; + +struct sgsn_pdp_ctx { + struct llist_head list; + + unsigned int id; + enum pdp_ctx_state state; + enum pdp_type type; + u_int32_t addresss; + char *apn_subscribed; + char *apn_used; + u_int16_t nsapi; + u_int8_t ti; /* transaction identifier */ + u_int32_t ggsn_in_use; + int vplmn_allowed; + u_int32_t qos_profile_subscr; + u_int32_t qos_profile_req; + u_int32_t qos_profile_neg; + u_int8_t radio_prio; + u_int32_t tx_npdu_nr; + u_int32_t rx_npdu_nr; + u_int32_t tx_gtp_snd; + u_int32_t rx_gtp_snu; + u_int32_t charging_id; + int reordering_reqd; +}; + +/* look-up a SGSN MM context based on TLLI + RAI */ +struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli(u_int32_t tlli, + const struct gprs_ra_id *raid); +struct sgsn_mm_ctx *sgsn_mm_ctx_by_ptmsi(u_int32_t tmsi); +struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi); + +/* Allocate a new SGSN MM context */ +struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(u_int32_t tlli, + const struct gprs_ra_id *raid); + +#endif /* _GPRS_SGSN_H */ |