| Harald Welte | 9b455bf | 2010-03-14 15:45:01 +0800 | [diff] [blame^] | 1 | #ifndef _GPRS_SGSN_H |
| 2 | #define _GPRS_SGSN_H |
| 3 | |
| 4 | /* TS 04.08 4.1.3.3 GMM mobility management states on the network side */ |
| 5 | enum gprs_mm_state { |
| 6 | GMM_DEREGISTERED, /* 4.1.3.3.1.1 */ |
| 7 | GMM_COMMON_PROC_INIT, /* 4.1.3.3.1.2 */ |
| 8 | GMM_REGISTERED_NORMAL, /* 4.1.3.3.2.1 */ |
| 9 | GMM_REGISTERED_SUSPENDED, /* 4.1.3.3.2.2 */ |
| 10 | GMM_DEREGISTERED_INIT, /* 4.1.3.3.1.4 */ |
| 11 | }; |
| 12 | |
| 13 | enum gprs_ciph_algo { |
| 14 | GPRS_ALGO_GEA0, |
| 15 | GPRS_ALGO_GEA1, |
| 16 | GPRS_ALGO_GEA2, |
| 17 | }; |
| 18 | |
| 19 | #define MS_RADIO_ACCESS_CAPA |
| 20 | |
| 21 | /* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */ |
| 22 | struct sgsn_mm_ctx { |
| 23 | struct llist_head list; |
| 24 | |
| 25 | char imsi[GSM_IMSI_LENGTH]; |
| 26 | enum gprs_mm_state mm_state; |
| 27 | u_int32_t p_tmsi; |
| 28 | u_int32_t p_tmsi_sig; |
| 29 | char imei[GSM_IMEI_LENGTH]; |
| 30 | char msisdn[GSM_EXTENSION_LENGTH]; |
| 31 | struct gprs_ra_id ra; |
| 32 | u_int16_t cell_id; |
| 33 | u_int32_t cell_id_age; |
| 34 | /* VLR number */ |
| 35 | u_int32_t new_sgsn_addr; |
| 36 | /* Authentication Triplets */ |
| 37 | /* Kc */ |
| 38 | /* CKSN */ |
| 39 | enum gprs_ciph_algo ciph_algo; |
| 40 | struct { |
| 41 | u_int8_t buf[14]; /* 10.5.5.12a */ |
| 42 | u_int8_t len; |
| 43 | } ms_radio_access_capa; |
| 44 | struct { |
| 45 | u_int8_t buf[4]; /* 10.5.5.12 */ |
| 46 | u_int8_t len; |
| 47 | } ms_network_capa; |
| 48 | u_int16_t drx_parms; |
| 49 | int mnrg; /* MS reported to HLR? */ |
| 50 | int ngaf; /* MS reported to MSC/VLR? */ |
| 51 | int ppf; /* paging for GPRS + non-GPRS? */ |
| 52 | /* SMS Parameters */ |
| 53 | int recovery; |
| 54 | u_int8_t radio_prio_sms; |
| 55 | |
| 56 | struct llist_head pdp_list; |
| 57 | |
| 58 | /* Additional bits not present in the GSM TS */ |
| 59 | u_int32_t tlli; |
| 60 | struct timer_list timer; |
| 61 | unsigned int T; |
| 62 | }; |
| 63 | |
| 64 | enum pdp_ctx_state { |
| 65 | PDP_STAE_NONE, |
| 66 | }; |
| 67 | |
| 68 | enum pdp_type { |
| 69 | PDP_TYPE_NONE, |
| 70 | }; |
| 71 | |
| 72 | struct sgsn_pdp_ctx { |
| 73 | struct llist_head list; |
| 74 | |
| 75 | unsigned int id; |
| 76 | enum pdp_ctx_state state; |
| 77 | enum pdp_type type; |
| 78 | u_int32_t addresss; |
| 79 | char *apn_subscribed; |
| 80 | char *apn_used; |
| 81 | u_int16_t nsapi; |
| 82 | u_int8_t ti; /* transaction identifier */ |
| 83 | u_int32_t ggsn_in_use; |
| 84 | int vplmn_allowed; |
| 85 | u_int32_t qos_profile_subscr; |
| 86 | u_int32_t qos_profile_req; |
| 87 | u_int32_t qos_profile_neg; |
| 88 | u_int8_t radio_prio; |
| 89 | u_int32_t tx_npdu_nr; |
| 90 | u_int32_t rx_npdu_nr; |
| 91 | u_int32_t tx_gtp_snd; |
| 92 | u_int32_t rx_gtp_snu; |
| 93 | u_int32_t charging_id; |
| 94 | int reordering_reqd; |
| 95 | }; |
| 96 | |
| 97 | /* look-up a SGSN MM context based on TLLI + RAI */ |
| 98 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli(u_int32_t tlli, |
| 99 | const struct gprs_ra_id *raid); |
| 100 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_ptmsi(u_int32_t tmsi); |
| 101 | struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi); |
| 102 | |
| 103 | /* Allocate a new SGSN MM context */ |
| 104 | struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(u_int32_t tlli, |
| 105 | const struct gprs_ra_id *raid); |
| 106 | |
| 107 | #endif /* _GPRS_SGSN_H */ |