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