Create new 'gprs-sgsn' branch on top of 'gprs-conf'
This branch contains the partial SGSN/GGSN implementation that
was originally developed as part of the gprs branch.
diff --git a/openbsc/include/openbsc/crc24.h b/openbsc/include/openbsc/crc24.h
new file mode 100644
index 0000000..358fcb5
--- /dev/null
+++ b/openbsc/include/openbsc/crc24.h
@@ -0,0 +1,8 @@
+#ifndef _CRC24_H
+#define _CRC24_H
+
+#define INIT_CRC24 0xffffff
+
+u_int32_t crc24_calc(u_int32_t fcs, u_int8_t *cp, unsigned int len);
+
+#endif
diff --git a/openbsc/include/openbsc/debug.h b/openbsc/include/openbsc/debug.h
index f1c5a69..49b417e 100644
--- a/openbsc/include/openbsc/debug.h
+++ b/openbsc/include/openbsc/debug.h
@@ -29,6 +29,7 @@
DHO,
DDB,
DREF,
+ DGPRS,
Debug_LastEntry,
};
diff --git a/openbsc/include/openbsc/gprs_bssgp.h b/openbsc/include/openbsc/gprs_bssgp.h
new file mode 100644
index 0000000..f85ac48
--- /dev/null
+++ b/openbsc/include/openbsc/gprs_bssgp.h
@@ -0,0 +1,138 @@
+#ifndef _GPRS_BSSGP_H
+#define _GPRS_BSSGP_H
+
+/* Section 11.3.26 / Table 11.27 */
+enum bssgp_pdu_type {
+ /* PDUs between RL and BSSGP SAPs */
+ BSSGP_PDUT_DL_UNITDATA = 0x00,
+ BSSGP_PDUT_UL_UNITDATA = 0x01,
+ BSSGP_PDUT_RA_CAPABILITY = 0x02,
+ BSSGP_PDUT_PTM_UNITDATA = 0x03,
+ /* PDUs between GMM SAPs */
+ BSSGP_PDUT_PAGING_PS = 0x06,
+ BSSGP_PDUT_PAGING_CS = 0x07,
+ BSSGP_PDUT_RA_CAPA_UDPATE = 0x08,
+ BSSGP_PDUT_RA_CAPA_UPDATE_ACK = 0x09,
+ BSSGP_PDUT_RADIO_STATUS = 0x0a,
+ BSSGP_PDUT_SUSPEND = 0x0b,
+ BSSGP_PDUT_SUSPEND_ACK = 0x0c,
+ BSSGP_PDUT_SUSPEND_NACK = 0x0d,
+ BSSGP_PDUT_RESUME = 0x0e,
+ BSSGP_PDUT_RESUME_ACK = 0x0f,
+ BSSGP_PDUT_RESUME_NACK = 0x10,
+ /* PDus between NM SAPs */
+ BSSGP_PDUT_BVC_BLOCK = 0x20,
+ BSSGP_PDUT_BVC_BLOCK_ACK = 0x21,
+ BSSGP_PDUT_BVC_RESET = 0x22,
+ BSSGP_PDUT_BVC_RESET_ACK = 0x23,
+ BSSGP_PDUT_BVC_UNBLOCK = 0x24,
+ BSSGP_PDUT_BVC_UNBLOCK_ACK = 0x25,
+ BSSGP_PDUT_FLOW_CONTROL_BVC = 0x26,
+ BSSGP_PDUT_FLOW_CONTROL_BVC_ACK = 0x27,
+ BSSGP_PDUT_FLOW_CONTROL_MS = 0x28,
+ BSSGP_PDUT_FLOW_CONTROL_MS_ACK = 0x29,
+ BSSGP_PDUT_FLUSH_LL = 0x2a,
+ BSSGP_PDUT_FLUSH_LL_ACK = 0x2b,
+ BSSGP_PDUT_LLC_DISCARD = 0x2c,
+ BSSGP_PDUT_SGSN_INVOKE_TRACE = 0x40,
+ BSSGP_PDUT_STATUS = 0x41,
+ /* PDUs between PFM SAP's */
+ BSSGP_PDUT_DOWNLOAD_BSS_PFC = 0x50,
+ BSSGP_PDUT_CREATE_BSS_PFC = 0x51,
+ BSSGP_PDUT_CREATE_BSS_PFC_ACK = 0x52,
+ BSSGP_PDUT_CREATE_BSS_PFC_NACK = 0x53,
+ BSSGP_PDUT_MODIFY_BSS_PFC = 0x54,
+ BSSGP_PDUT_MODIFY_BSS_PFC_ACK = 0x55,
+ BSSGP_PDUT_DELETE_BSS_PFC = 0x56,
+ BSSGP_PDUT_DELETE_BSS_PFC_ACK = 0x57,
+};
+
+/* Section 10.2.1 and 10.2.2 */
+struct bssgp_ud_hdr {
+ u_int8_t pdu_type;
+ u_int32_t tlli;
+ u_int8_t qos_profile[3];
+ u_int8_t data[0]; /* TLV's */
+} __attribute__((packed));
+
+struct bssgp_normal_hdr {
+ u_int8_t pdu_type;
+ u_int8_t data[0]; /* TLV's */
+};
+
+enum bssgp_iei_type {
+ BSSGP_IE_ALIGNMENT = 0x00,
+ BSSGP_IE_BMAX_DEFAULT_MS = 0x01,
+ BSSGP_IE_BSS_AREA_ID = 0x02,
+ BSSGP_IE_BUCKET_LEAK_RATE = 0x03,
+ BSSGP_IE_BVCI = 0x04,
+ BSSGP_IE_BVC_BUCKET_SIZE = 0x05,
+ BSSGP_IE_BVC_MEASUREMENT = 0x06,
+ BSSGP_IE_CAUSE = 0x07,
+ BSSGP_IE_CELL_ID = 0x08,
+ BSSGP_IE_CHAN_NEEDED = 0x09,
+ BSSGP_IE_DRX_PARAMS = 0x0a,
+ BSSGP_IE_EMLPP_PRIO = 0x0b,
+ BSSGP_IE_FLUSH_ACTION = 0x0c,
+ BSSGP_IE_IMSI = 0x0d,
+ BSSGP_IE_LLC_PDU = 0x0e,
+ BSSGP_IE_LLC_FRAMES_DISCARDED = 0x0f,
+ BSSGP_IE_LOCATION_AREA = 0x10,
+ BSSGP_IE_MOBILE_ID = 0x11,
+ BSSGP_IE_MS_BUCKET_SIZE = 0x12,
+ BSSGP_IE_MS_RADIO_ACCESS_CAP = 0x13,
+ BSSGP_IE_OMC_ID = 0x14,
+ BSSGP_IE_PDU_IN_ERROR = 0x15,
+ BSSGP_IE_PDU_LIFETIME = 0x16,
+ BSSGP_IE_PRIORITY = 0x17,
+ BSSGP_IE_QOS_PROFILE = 0x18,
+ BSSGP_IE_RADIO_CAUSE = 0x19,
+ BSSGP_IE_RA_CAP_UPD_CAUSE = 0x1a,
+ BSSGP_IE_ROUTEING_AREA = 0x1b,
+ BSSGP_IE_R_DEFAULT_MS = 0x1c,
+ BSSGP_IE_SUSPEND_REF_NR = 0x1d,
+ BSSGP_IE_TAG = 0x1e,
+ BSSGP_IE_TLLI = 0x1f,
+ BSSGP_IE_TMSI = 0x20,
+ BSSGP_IE_TRACE_REFERENC = 0x21,
+ BSSGP_IE_TRACE_TYPE = 0x22,
+ BSSGP_IE_TRANSACTION_ID = 0x23,
+ BSSGP_IE_TRIGGER_ID = 0x24,
+ BSSGP_IE_NUM_OCT_AFF = 0x25,
+ BSSGP_IE_LSA_ID_LIST = 0x26,
+ BSSGP_IE_LSA_INFORMATION = 0x27,
+ BSSGP_IE_PACKET_FLOW_ID = 0x28,
+ BSSGP_IE_PACKET_FLOW_TIMER = 0x29,
+ BSSGP_IE_AGG_BSS_QOS_PROFILE = 0x3a,
+ BSSGP_IE_FEATURE_BITMAP = 0x3b,
+ BSSGP_IE_BUCKET_FULL_RATIO = 0x3c,
+ BSSGP_IE_SERVICE_UTRAN_CCO = 0x3d,
+};
+
+/* Section 11.3.8 / Table 11.10: Cause coding */
+enum gprs_bssgp_cause {
+ BSSGP_CAUSE_PROC_OVERLOAD = 0x00,
+ BSSGP_CAUSE_EQUIP_FAIL = 0x01,
+ BSSGP_CAUSE_TRASIT_NET_FAIL = 0x02,
+ BSSGP_CAUSE_CAPA_GREATER_0KPBS = 0x03,
+ BSSGP_CAUSE_UNKNOWN_MS = 0x04,
+ BSSGP_CAUSE_UNKNOWN_BVCI = 0x05,
+ BSSGP_CAUSE_CELL_TRAF_CONG = 0x06,
+ BSSGP_CAUSE_SGSN_CONG = 0x07,
+ BSSGP_CAUSE_OML_INTERV = 0x08,
+ BSSGP_CAUSE_BVCI_BLOCKED = 0x09,
+ BSSGP_CAUSE_PFC_CREATE_FAIL = 0x0a,
+ BSSGP_CAUSE_SEM_INCORR_PDU = 0x20,
+ BSSGP_CAUSE_INV_MAND_INF = 0x21,
+ BSSGP_CAUSE_MISSING_MAND_IE = 0x22,
+ BSSGP_CAUSE_MISSING_COND_IE = 0x23,
+ BSSGP_CAUSE_UNEXP_COND_IE = 0x24,
+ BSSGP_CAUSE_COND_IE_ERR = 0x25,
+ BSSGP_CAUSE_PDU_INCOMP_STATE = 0x26,
+ BSSGP_CAUSE_PROTO_ERR_UNSPEC = 0x27,
+ BSSGP_CAUSE_PDU_INCOMP_FEAT = 0x28,
+};
+
+extern int gprs_bssgp_rcvmsg(struct msgb *msg, u_int16_t bvci);
+
+#endif /* _GPRS_BSSGP_H */
diff --git a/openbsc/include/openbsc/gprs_llc.h b/openbsc/include/openbsc/gprs_llc.h
new file mode 100644
index 0000000..cd4e215
--- /dev/null
+++ b/openbsc/include/openbsc/gprs_llc.h
@@ -0,0 +1,20 @@
+#ifndef _GPRS_LLC_H
+#define _GPRS_LLC_H
+
+/* Section 4.7 LLC Layer Structure */
+enum gprs_llc_sapi {
+ GPRS_SAPI_GMM = 1,
+ GPRS_SAPI_TOM2 = 2,
+ GPRS_SAPI_SNDCP3 = 3,
+ GPRS_SAPI_SNDCP5 = 5,
+ GPRS_SAPI_SMS = 7,
+ GPRS_SAPI_TOM8 = 8,
+ GPRS_SAPI_SNDCP9 = 9,
+ GPRS_SAPI_SNDCP11 = 11,
+};
+
+
+int gprs_llc_rcvmsg(struct msgb *msg, struct tlv_parsed *tv);
+int gprs_llc_tx_ui(struct msgb *msg, u_int8_t sapi, int command);
+
+#endif
diff --git a/openbsc/include/openbsc/gprs_ns.h b/openbsc/include/openbsc/gprs_ns.h
new file mode 100644
index 0000000..90f1adf
--- /dev/null
+++ b/openbsc/include/openbsc/gprs_ns.h
@@ -0,0 +1,61 @@
+#ifndef _GPRS_NS_H
+#define _GPRS_NS_H
+
+struct gprs_ns_hdr {
+ u_int8_t pdu_type;
+ u_int8_t data[0];
+} __attribute__((packed));
+
+/* TS 08.16, Section 10.3.7, Table 14 */
+enum ns_pdu_type {
+ NS_PDUT_UNITDATA = 0x00,
+ NS_PDUT_RESET = 0x02,
+ NS_PDUT_RESET_ACK = 0x03,
+ NS_PDUT_BLOCK = 0x04,
+ NS_PDUT_BLOCK_ACK = 0x05,
+ NS_PDUT_UNBLOCK = 0x06,
+ NS_PDUT_UNBLOCK_ACK = 0x07,
+ NS_PDUT_STATUS = 0x08,
+ NS_PDUT_ALIVE = 0x0a,
+ NS_PDUT_ALIVE_ACK = 0x0b,
+};
+
+/* TS 08.16, Section 10.3, Table 12 */
+enum ns_ctrl_ie {
+ NS_IE_CAUSE = 0x00,
+ NS_IE_VCI = 0x01,
+ NS_IE_PDU = 0x02,
+ NS_IE_BVCI = 0x03,
+ NS_IE_NSEI = 0x04,
+};
+
+/* TS 08.16, Section 10.3.2, Table 13 */
+enum ns_cause {
+ NS_CAUSE_TRANSIT_FAIL = 0x00,
+ NS_CAUSE_OM_INTERVENTION = 0x01,
+ NS_CAUSE_EQUIP_FAIL = 0x02,
+ NS_CAUSE_NSVC_BLOCKED = 0x03,
+ NS_CAUSE_NSVC_UNKNOWN = 0x04,
+ NS_CAUSE_BVCI_UNKNOWN = 0x05,
+ NS_CAUSE_SEM_INCORR_PDU = 0x08,
+ NS_CAUSE_PDU_INCOMP_PSTATE = 0x0a,
+ NS_CAUSE_PROTO_ERR_UNSPEC = 0x0b,
+ NS_CAUSE_INVAL_ESSENT_IE = 0x0c,
+ NS_CAUSE_MISSING_ESSENT_IE = 0x0d,
+};
+
+/* a layer 1 entity transporting NS frames */
+struct gprs_ns_link {
+ union {
+ struct {
+ int fd;
+ } ip;
+ };
+};
+
+
+int gprs_ns_rcvmsg(struct msgb *msg);
+
+int gprs_ns_sendmsg(struct gprs_ns_link *link, u_int16_t bvci,
+ struct msgb *msg);
+#endif
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h
new file mode 100644
index 0000000..87c7fa8
--- /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 */
diff --git a/openbsc/include/openbsc/gsm_04_08_gprs.h b/openbsc/include/openbsc/gsm_04_08_gprs.h
new file mode 100644
index 0000000..20ab044
--- /dev/null
+++ b/openbsc/include/openbsc/gsm_04_08_gprs.h
@@ -0,0 +1,203 @@
+#ifndef _GSM48_GPRS_H
+#define _GSM48_GPRS_H
+
+/* Table 10.4 / 10.4a, GPRS Mobility Management (GMM) */
+#define GSM48_MT_GMM_ATTACH_REQ 0x01
+#define GSM48_MT_GMM_ATTACH_ACK 0x02
+#define GSM48_MT_GMM_ATTACH_COMPL 0x03
+#define GSM48_MT_GMM_ATTACH_REJ 0x04
+#define GSM48_MT_GMM_DETACH_REQ 0x05
+#define GSM48_MT_GMM_DETACH_ACK 0x06
+
+#define GSM48_MT_GMM_RA_UPD_REQ 0x08
+#define GSM48_MT_GMM_RA_UPD_ACK 0x09
+#define GSM48_MT_GMM_RA_UPD_COMPL 0x0a
+#define GSM48_MT_GMM_RA_UPD_REJ 0x0b
+
+#define GSM48_MT_GMM_PTMSI_REALL_CMD 0x10
+#define GSM48_MT_GMM_PTMSI_REALL_COMPL 0x11
+#define GSM48_MT_GMM_AUTH_CIPH_REQ 0x12
+#define GSM48_MT_GMM_AUTH_CIPH_RESP 0x13
+#define GSM48_MT_GMM_AUTH_CIPH_REJ 0x14
+#define GSM48_MT_GMM_ID_REQ 0x15
+#define GSM48_MT_GMM_ID_RESP 0x16
+#define GSM48_MT_GMM_STATUS 0x20
+#define GSM48_MT_GMM_INFO 0x21
+
+/* Table 10.4a, GPRS Session Management (GSM) */
+#define GSM48_MT_GSM_ACT_PDP_REQ 0x41
+#define GSM48_MT_GSM_ACT_PDP_ACK 0x42
+#define GSM48_MT_GSM_ACT_PDP_REJ 0x43
+#define GSM48_MT_GSM_REQ_PDP_ACT 0x44
+#define GSM48_MT_GSM_REQ_PDP_ACT_REJ 0x45
+#define GSM48_MT_GSM_DEACT_PDP_REQ 0x46
+#define GSM48_MT_GSM_DEACT_PDP_ACK 0x47
+#define GSM48_MT_GSM_ACT_AA_PDP_REQ 0x50
+#define GSM48_MT_GSM_ACT_AA_PDP_ACK 0x51
+#define GSM48_MT_GSM_ACT_AA_PDP_REJ 0x52
+#define GSM48_MT_GSM_DEACT_AA_PDP_REQ 0x53
+#define GSM48_MT_GSM_DEACT_AA_PDP_ACK 0x54
+#define GSM48_MT_GSM_STATUS 0x55
+
+/* Chapter 10.5.5.2 / Table 10.5.135 */
+#define GPRS_ATT_T_ATTACH 1
+#define GPRS_ATT_T_ATT_WHILE_IMSI 2
+#define GPRS_ATT_T_COMBINED 3
+
+/* Chapter 10.5.5.18 / Table 105.150 */
+#define GPRS_UPD_T_RA 0
+#define GPRS_UPD_T_RA_LA 1
+#define GPRS_UPD_T_RA_LA_IMSI_ATT 2
+#define GPRS_UPD_T_PERIODIC 3
+
+enum gsm48_gprs_ie_mm {
+ GSM48_IE_GMM_TIMER_READY = 0x17, /* 10.5.7.3 */
+ GSM48_IE_GMM_PTMSI_SIG = 0x19, /* 10.5.5.8 */
+ GSM48_IE_GMM_AUTH_RAND = 0x21, /* 10.5.3.1 */
+ GSM48_IE_GMM_AUTH_SRES = 0x22, /* 10.5.3.2 */
+ GSM48_IE_GMM_IMEISV = 0x23, /* 10.5.1.4 */
+ GSM48_IE_GMM_DRX_PARAM = 0x27, /* 10.5.5.6 */
+ GSM48_IE_GMM_MS_NET_CAPA = 0x31, /* 10.5.5.12 */
+};
+
+enum gsm48_gprs_ie_sm {
+ GSM48_IE_GSM_APN = 0x28, /* 10.5.6.1 */
+ GSM48_IE_GSM_PROTO_CONF_OPT = 0x27, /* 10.5.6.3 */
+ GSM48_IE_GSM_PDP_ADDR = 0x2b, /* 10.5.6.4 */
+ GSM48_IE_GSM_AA_TMR = 0x29, /* 10.5.7.3 */
+ GSM48_IE_GSM_NAME_FULL = 0x43, /* 10.5.3.5a */
+ GSM48_IE_GSM_NAME_SHORT = 0x45, /* 10.5.3.5a */
+ GSM48_IE_GSM_TIMEZONE = 0x46, /* 10.5.3.8 */
+ GSM48_IE_GSM_UTC_AND_TZ = 0x47, /* 10.5.3.9 */
+ GSM48_IE_GSM_LSA_ID = 0x48, /* 10.5.3.11 */
+};
+
+/* Chapter 10.4.4.15 */
+struct gsm48_ra_id {
+ u_int8_t digits[3]; /* MCC + MNC BCD digits */
+ u_int16_t lac; /* Location Area Code */
+ u_int8_t rac; /* Routing Area Code */
+} __attribute__ ((packed));
+
+/* Chapter 9.4.15 / Table 9.4.15 */
+struct gsm48_ra_upd_ack {
+ u_int8_t force_stby:4, /* 10.5.5.7 */
+ upd_result:4; /* 10.5.5.17 */
+ u_int8_t ra_upd_timer; /* 10.5.7.3 */
+ struct gsm48_ra_id ra_id; /* 10.5.5.15 */
+ u_int8_t data[0];
+} __attribute__((packed));
+
+/* Chapter 10.5.7.3 */
+enum gsm48_gprs_tmr_unit {
+ GPRS_TMR_2SECONDS = 0 << 5,
+ GPRS_TMR_MINUTE = 1 << 5,
+ GPRS_TMR_6MINUTE = 2 << 5,
+ GPRS_TMR_DEACTIVATED = 3 << 5,
+};
+
+/* Chapter 9.4.2 / Table 9.4.2 */
+struct gsm48_attach_ack {
+ u_int8_t att_result:4, /* 10.5.5.7 */
+ force_stby:4; /* 10.5.5.1 */
+ u_int8_t ra_upd_timer; /* 10.5.7.3 */
+ u_int8_t radio_prio; /* 10.5.7.2 */
+ struct gsm48_ra_id ra_id; /* 10.5.5.15 */
+ u_int8_t data[0];
+} __attribute__((packed));
+
+/* Chapter 9.5.1 / Table 9.5.1 */
+struct gsm48_act_pdp_ctx_req {
+ u_int8_t req_nsapi;
+ u_int8_t req_llc_sapi;
+ u_int8_t req_qos_lv[4];
+ u_int8_t data[0];
+} __attribute__((packed));
+
+/* Chapter 9.5.2 / Table 9.5.2 */
+struct gsm48_act_pdp_ctx_ack {
+ u_int8_t llc_sapi;
+ u_int8_t qos_lv[4];
+ u_int8_t radio_prio:4,
+ spare:4;
+ u_int8_t data[0];
+} __attribute__((packed));
+
+/* Chapter 10.5.5.14 / Table 10.5.147 */
+enum gsm48_gmm_cause {
+ GMM_CAUSE_IMSI_UNKNOWN = 0x02,
+ GMM_CAUSE_ILLEGAL_MS = 0x03,
+ GMM_CAUSE_ILLEGAL_ME = 0x06,
+ GMM_CAUSE_GPRS_NOTALLOWED = 0x07,
+ GMM_CAUSE_GPRS_OTHER_NOTALLOWED = 0x08,
+ GMM_CAUSE_MS_ID_NOT_DERIVED = 0x09,
+ GMM_CAUSE_IMPL_DETACHED = 0x0a,
+ GMM_CAUSE_PLMN_NOTALLOWED = 0x0b,
+ GMM_CAUSE_LA_NOTALLOWED = 0x0c,
+ GMM_CAUSE_ROAMING_NOTALLOWED = 0x0d,
+ GMM_CAUSE_NO_GPRS_PLMN = 0x0e,
+ GMM_CAUSE_MSC_TEMP_NOTREACH = 0x10,
+ GMM_CAUSE_NET_FAIL = 0x11,
+ GMM_CAUSE_CONGESTION = 0x16,
+ GMM_CAUSE_SEM_INCORR_MSG = 0x5f,
+ GMM_CAUSE_INV_MAND_INFO = 0x60,
+ GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL = 0x61,
+ GMM_CAUSE_MSGT_INCOMP_P_STATE = 0x62,
+ GMM_CAUSE_IE_NOTEXIST_NOTIMPL = 0x63,
+ GMM_CAUSE_COND_IE_ERR = 0x64,
+ GMM_CAUSE_MSG_INCOMP_P_STATE = 0x65,
+ GMM_CAUSE_PROTO_ERR_UNSPEC = 0x6f,
+};
+
+/* Chapter 10.4.6.6 / Table 10.5.157 */
+enum gsm48_gsm_cause {
+ GSM_CAUSE_INSUFF_RSRC = 0x1a,
+ GSM_CAUSE_MISSING_APN = 0x1b,
+ GSM_CAUSE_UNKNOWN_PDP = 0x1c,
+ GSM_CAUSE_AUTH_FAILED = 0x1d,
+ GSM_CAUSE_ACT_REJ_GGSN = 0x1e,
+ GSM_CAUSE_ACT_REJ_UNSPEC = 0x1f,
+ GSM_CAUSE_SERV_OPT_NOTSUPP = 0x20,
+ GSM_CAUSE_REQ_SERV_OPT_NOTSUB = 0x21,
+ GSM_CAUSE_SERV_OPT_TEMP_OOO = 0x22,
+ GSM_CAUSE_NSAPI_IN_USE = 0x23,
+ GSM_CAUSE_DEACT_REGULAR = 0x24,
+ GSM_CAUSE_QOS_NOT_ACCEPTED = 0x25,
+ GSM_CAUSE_NET_FAIL = 0x26,
+ GSM_CAUSE_REACT_RQD = 0x27,
+ GSM_CAUSE_FEATURE_NOTSUPP = 0x28,
+ GSM_CAUSE_INVALID_TRANS_ID = 0x51,
+ GSM_CAUSE_SEM_INCORR_MSG = 0x5f,
+ GSM_CAUSE_INV_MAND_INFO = 0x60,
+ GSM_CAUSE_MSGT_NOTEXIST_NOTIMPL = 0x61,
+ GSM_CAUSE_MSGT_INCOMP_P_STATE = 0x62,
+ GSM_CAUSE_IE_NOTEXIST_NOTIMPL = 0x63,
+ GSM_CAUSE_COND_IE_ERR = 0x64,
+ GSM_CAUSE_MSG_INCOMP_P_STATE = 0x65,
+ GSM_CAUSE_PROTO_ERR_UNSPEC = 0x6f,
+};
+
+/* GSM TS 03.03 Chapter 2.6 */
+enum gprs_tlli_tyoe {
+ TLLI_LOCAL,
+ TLLI_FOREIGN,
+ TLLI_RANDOM,
+ TLLI_AUXILIARY,
+ TLLI_RESERVED,
+};
+
+/* Section 6.1.2.2: Session management states on the network side */
+enum gsm48_pdp_state {
+ PDP_S_INACTIVE,
+ PDP_S_ACTIVE_PENDING,
+ PDP_S_ACTIVE,
+ PDP_S_INACTIVE_PENDING,
+ PDP_S_MODIFY_PENDING,
+};
+
+int gprs_tlli_type(u_int32_t tlli);
+
+struct gsm_bts *gsm48_bts_by_ra_id(struct gsm_network *net,
+ const u_int8_t *buf, unsigned int len);
+
+#endif /* _GSM48_GPRS_H */