| #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 */ |