gsm_04_08_gprs.h

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#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/crypt/gprs_cipher.h>
#include <osmocom/core/endian.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_AUTH_CIPH_FAIL     0x1C
#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
 
extern const struct value_string *gprs_att_t_strs;
extern const struct value_string gprs_msgt_gmm_names[];
 
/* Chapter 10.5.5.5 / Table 10.5.138 */
#define GPRS_DET_T_MO_GPRS              1
#define GPRS_DET_T_MO_IMSI              2
#define GPRS_DET_T_MO_COMBINED          3
/* Network to MS direction */
#define GPRS_DET_T_MT_REATT_REQ         1
#define GPRS_DET_T_MT_REATT_NOTREQ      2
#define GPRS_DET_T_MT_IMSI              3
 
extern const struct value_string *gprs_det_t_mo_strs;
extern const struct value_string *gprs_det_t_mt_strs;
 
/* 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
 
extern const struct value_string *gprs_upd_t_strs;
 
/* Table 10.4 in 3GPP TS 24.008 (successor to 04.08) */
#define GSM48_MT_GMM_SERVICE_REQ        0x0c
#define GSM48_MT_GMM_SERVICE_ACK        0x0d
#define GSM48_MT_GMM_SERVICE_REJ        0x0e
 
enum gsm48_gprs_ie_mm {
        GSM48_IE_GMM_CIPH_CKSN          = 0x08, /* 10.5.1.2 */
        GSM48_IE_GMM_PTMSI_TYPE         = 0x0e, /* 10.5.5.29 */
        GSM48_IE_GMM_TMSI_BASED_NRI_C   = 0x10, /* 10.5.5.31 */
        GSM48_IE_GMM_TIMER_READY        = 0x17, /* 10.5.7.3 */
        GSM48_IE_GMM_ALLOC_PTMSI        = 0x18, /* 10.5.1.4 */
        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_CAUSE              = 0x25, /* 10.5.5.14 */
        GSM48_IE_GMM_RX_NPDU_NUM_LIST   = 0x26, /* 10.5.5.11 */
        GSM48_IE_GMM_DRX_PARAM          = 0x27, /* 10.5.5.6 */
        GSM48_IE_GMM_AUTN               = 0x28, /* 10.5.3.1.1 */
        GSM48_IE_GMM_AUTH_RES_EXT       = 0x29, /* 10.5.3.2.1 */
        GSM48_IE_GMM_TIMER_T3302        = 0x2A, /* 10.5.7.4 */
        GSM48_IE_GMM_AUTH_FAIL_PAR      = 0x30, /* 10.5.3.2.2 */
        GSM48_IE_GMM_MS_NET_CAPA        = 0x31, /* 10.5.5.12 */
        GSM48_IE_GMM_PDP_CTX_STATUS     = 0x32, /* 10.5.7.1 */
        GSM48_IE_GMM_PS_LCS_CAPA        = 0x33, /* 10.5.5.22 */
        GSM48_IE_GMM_GMM_MBMS_CTX_ST    = 0x35, /* 10.5.7.6 */
        GSM48_IE_GMM_TIMER_T3346        = 0x3A, /* 10.5.7.4 */
        GSM48_IE_GMM_NET_FEAT_SUPPORT   = 0xB0, /* 10.5.5.23 */
};
 
enum gsm48_gprs_ie_sm {
        GSM48_IE_GSM_RADIO_PRIO         = 0x08, /* 10.5.7.2 */
        GSM48_IE_GSM_DEV_PROP           = 0x0C, /* 10.5.7.8 */
        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_QOS                = 0x30, /* 10.5.6.5 */
        GSM48_IE_GSM_TFT                = 0x31, /* 10.5.6.12 */
        GSM48_IE_GSM_LLC_SAPI           = 0x32, /* 10.5.6.9 */
        GSM48_IE_GSM_MBIFOM_CONT        = 0x33, /* 10.5.6.21 */
        GSM48_IE_GSM_PFI                = 0x34, /* 10.5.6.11 */
        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 */
        GSM48_IE_GSM_EXT_QOS            = 0x5C, /* 10.5.6.5B */
        GSM48_IE_GSM_EXT_PROTO_CONF_OPT = 0x7B, /* 10.5.6.3a */
 
        /* Fake IEs that are not present on the Layer3 air interface,
         * but which we use to simplify internal APIs */
        OSMO_IE_GSM_CHARG_CHAR          = 0xfc,
        OSMO_IE_GSM_REQ_QOS             = 0xfd,
        OSMO_IE_GSM_REQ_PDP_ADDR        = 0xfe,
        OSMO_IE_GSM_SUB_QOS             = 0xff,
};
 
/* Chapter 9.4.15 / Table 9.4.15 */
struct gsm48_ra_upd_ack {
#if OSMO_IS_LITTLE_ENDIAN
        uint8_t force_stby:4,   /* 10.5.5.7 */
                 upd_result:4;  /* 10.5.5.17 */
        uint8_t ra_upd_timer;   /* 10.5.7.3 */
        struct gsm48_ra_id ra_id; /* 10.5.5.15 */
        uint8_t data[0];
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
        uint8_t upd_result:4, force_stby:4;
        uint8_t ra_upd_timer;
        struct gsm48_ra_id ra_id;
        uint8_t data[0];
#endif
} __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    = 7 << 5,
};
 
#define GPRS_TMR_UNIT_MASK (7 << 5)
#define GPRS_TMR_FACT_MASK ((1 << 5)-1)
 
/* Chapter 9.4.2 / Table 9.4.2 */
struct gsm48_attach_ack {
#if OSMO_IS_LITTLE_ENDIAN
        uint8_t att_result:4,   /* 10.5.5.7 */
                 force_stby:4;  /* 10.5.5.1 */
        uint8_t ra_upd_timer;   /* 10.5.7.3 */
        uint8_t radio_prio;     /* 10.5.7.2 */
        struct gsm48_ra_id ra_id; /* 10.5.5.15 */
        uint8_t data[0];
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
        uint8_t force_stby:4, att_result:4;
        uint8_t ra_upd_timer;
        uint8_t radio_prio;
        struct gsm48_ra_id ra_id;
        uint8_t data[0];
#endif
} __attribute__((packed));
 
/* Chapter 9.4.9 / Table 9.4.9 */
struct gsm48_auth_ciph_req {
#if OSMO_IS_LITTLE_ENDIAN
        uint8_t ciph_alg:4,     /* 10.5.5.3 */
                imeisv_req:4;   /* 10.5.5.10 */
        uint8_t force_stby:4,   /* 10.5.5.7 */
                ac_ref_nr:4;    /* 10.5.5.19 */
        uint8_t data[0];
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
        uint8_t imeisv_req:4, ciph_alg:4;
        uint8_t ac_ref_nr:4, force_stby:4;
        uint8_t data[0];
#endif
} __attribute__((packed));
/* optional: TV RAND, TV CKSN */
 
struct gsm48_auth_ciph_resp {
#if OSMO_IS_LITTLE_ENDIAN
        uint8_t ac_ref_nr:4,
                spare:4;
        uint8_t data[0];
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
        uint8_t spare:4, ac_ref_nr:4;
        uint8_t data[0];
#endif
} __attribute__((packed));
 
/* Chapter 9.5.1 / Table 9.5.1 */
struct gsm48_act_pdp_ctx_req {
        uint8_t req_nsapi;
        uint8_t req_llc_sapi;
        uint8_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_IMEI_NOT_ACCEPTED     = 0x05,
        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_NO_SUIT_CELL_IN_LA    = 0x0f,
        GMM_CAUSE_MSC_TEMP_NOTREACH     = 0x10,
        GMM_CAUSE_NET_FAIL              = 0x11,
        GMM_CAUSE_MAC_FAIL              = 0x14,
        GMM_CAUSE_SYNC_FAIL             = 0x15,
        GMM_CAUSE_CONGESTION            = 0x16,
        GMM_CAUSE_GSM_AUTH_UNACCEPT     = 0x17,
        GMM_CAUSE_NOT_AUTH_FOR_CSG      = 0x19,
        GMM_CAUSE_SMS_VIA_GPRS_IN_RA    = 0x1c,
        GMM_CAUSE_NO_PDP_ACTIVATED      = 0x28,
        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,
};
 
extern const struct value_string *gsm48_gmm_cause_names;
 
/* 3GPP TS 24.008 10.5.6.6 / Table 10.5.157 */
enum gsm48_gsm_cause {
        GSM_CAUSE_OPER_DET_BARR         = 0x08,
        GSM_CAUSE_MBMS_CAP_INSUF        = 0x18,
        GSM_CAUSE_LLC_SNDCP_FAIL        = 0x19,
        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,
};
 
extern const struct value_string *gsm48_gsm_cause_names;
 
/* 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,
};
 
/* TS 24.008 Table 10.5.155/3GPP */
enum gsm48_pdp_type_org {
        PDP_TYPE_ORG_ETSI               = 0x00,
        PDP_TYPE_ORG_IETF               = 0x01,
        PDP_TYPE_ORG_EMPTY              = 0x0f,
};
enum gsm48_pdp_type_nr {
        PDP_TYPE_N_ETSI_RESERVED        = 0x00,
        PDP_TYPE_N_ETSI_PPP             = 0x01,
        PDP_TYPE_N_IETF_IPv4            = 0x21,
        PDP_TYPE_N_IETF_IPv6            = 0x57,
        PDP_TYPE_N_IETF_IPv4v6          = 0x8D,
};
/* TS 24.008 10.5.6.4 "Packet data protocol address" value
 * Note: This can be reused for 3GPP TS 29.060 7.7.27 "End User Address"
 * with minor changes in the values, like spare being 1111 instead.
*/
struct gsm48_pdp_address {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t organization:4, /* enum gsm48_pdp_type_org */
        spare:4; /* 0000 */
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
uint8_t spare:4, organization:4;
#endif
uint8_t type; /* enum gsm48_pdp_type_nr */
        union {
                /* PDP_TYPE_ORG_ETSI */
                union {
                } etsi;
                /* PDP_TYPE_ORG_IETF */
                union {
                        /* PDP_TYPE_N_IETF_IPv4 */
                        uint32_t v4;
 
                        /* PDP_TYPE_N_IETF_IPv6 */
                        uint8_t v6[16];
 
                        /* PDP_TYPE_N_IETF_IPv4v6 */
                        struct {
                                uint32_t v4;
                                uint8_t v6[16];
                        } __attribute__ ((packed)) v4v6;
                } ietf;
        };
} __attribute__ ((packed));
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_reliab_class {
        GSM48_QOS_RC_LLC_ACK_RLC_ACK_DATA_PROT  = 2,
        GSM48_QOS_RC_LLC_UN_RLC_ACK_DATA_PROT   = 3,
        GSM48_QOS_RC_LLC_UN_RLC_UN_PROT_DATA    = 4,
        GSM48_QOS_RC_LLC_UN_RLC_UN_DATA_UN      = 5,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_preced_class {
        GSM48_QOS_PC_HIGH       = 1,
        GSM48_QOS_PC_NORMAL     = 2,
        GSM48_QOS_PC_LOW        = 3,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_peak_tput {
        GSM48_QOS_PEAK_TPUT_1000bps     = 1,
        GSM48_QOS_PEAK_TPUT_2000bps     = 2,
        GSM48_QOS_PEAK_TPUT_4000bps     = 3,
        GSM48_QOS_PEAK_TPUT_8000bps     = 4,
        GSM48_QOS_PEAK_TPUT_16000bps    = 5,
        GSM48_QOS_PEAK_TPUT_32000bps    = 6,
        GSM48_QOS_PEAK_TPUT_64000bps    = 7,
        GSM48_QOS_PEAK_TPUT_128000bps   = 8,
        GSM48_QOS_PEAK_TPUT_256000bps   = 9,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_mean_tput {
        GSM48_QOS_MEAN_TPUT_100bph      = 1,
        GSM48_QOS_MEAN_TPUT_200bph      = 2,
        GSM48_QOS_MEAN_TPUT_500bph      = 3,
        GSM48_QOS_MEAN_TPUT_1000bph     = 4,
        GSM48_QOS_MEAN_TPUT_2000bph     = 5,
        GSM48_QOS_MEAN_TPUT_5000bph     = 6,
        GSM48_QOS_MEAN_TPUT_10000bph    = 7,
        GSM48_QOS_MEAN_TPUT_20000bph    = 8,
        GSM48_QOS_MEAN_TPUT_50000bph    = 9,
        GSM48_QOS_MEAN_TPUT_100kbph     = 10,
        GSM48_QOS_MEAN_TPUT_200kbph     = 11,
        GSM48_QOS_MEAN_TPUT_500kbph     = 0xc,
        GSM48_QOS_MEAN_TPUT_1Mbph       = 0xd,
        GSM48_QOS_MEAN_TPUT_2Mbph       = 0xe,
        GSM48_QOS_MEAN_TPUT_5Mbph       = 0xf,
        GSM48_QOS_MEAN_TPUT_10Mbph      = 0x10,
        GSM48_QOS_MEAN_TPUT_20Mbph      = 0x11,
        GSM48_QOS_MEAN_TPUT_50Mbph      = 0x12,
        GSM48_QOS_MEAN_TPUT_BEST_EFFORT = 0x1f,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_err_sdu {
        GSM48_QOS_ERRSDU_NODETECT       = 1,
        GSM48_QOS_ERRSDU_YES            = 2,
        GSM48_QOS_ERRSDU_NO             = 3,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_deliv_order {
        GSM48_QOS_DO_ORDERED            = 1,
        GSM48_QOS_DO_UNORDERED          = 2,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_traf_class {
        GSM48_QOS_TC_CONVERSATIONAL     = 1,
        GSM48_QOS_TC_STREAMING          = 2,
        GSM48_QOS_TC_INTERACTIVE        = 3,
        GSM48_QOS_TC_BACKGROUND         = 4,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_max_sdu_size {
        /* values below in 10 octet granularity */
        GSM48_QOS_MAXSDU_1502           = 0x97,
        GSM48_QOS_MAXSDU_1510           = 0x98,
        GSM48_QOS_MAXSDU_1520           = 0x99,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_max_bitrate {
        GSM48_QOS_MBRATE_1k             = 0x01,
        GSM48_QOS_MBRATE_63k            = 0x3f,
        GSM48_QOS_MBRATE_64k            = 0x40,
        GSM48_QOS_MBRATE_568k           = 0x7f,
        GSM48_QOS_MBRATE_576k           = 0x80,
        GSM48_QOS_MBRATE_8640k          = 0xfe,
        GSM48_QOS_MBRATE_0k             = 0xff,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_resid_ber {
        GSM48_QOS_RBER_5e_2             = 0x01,
        GSM48_QOS_RBER_1e_2             = 0x02,
        GSM48_QOS_RBER_5e_3             = 0x03,
        GSM48_QOS_RBER_4e_3             = 0x04,
        GSM48_QOS_RBER_1e_3             = 0x05,
        GSM48_QOS_RBER_1e_4             = 0x06,
        GSM48_QOS_RBER_1e_5             = 0x07,
        GSM48_QOS_RBER_1e_6             = 0x08,
        GSM48_QOS_RBER_6e_8             = 0x09,
};
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_sdu_err {
        GSM48_QOS_SERR_1e_2             = 0x01,
        GSM48_QOS_SERR_7e_2             = 0x02,
        GSM48_QOS_SERR_1e_3             = 0x03,
        GSM48_QOS_SERR_1e_4             = 0x04,
        GSM48_QOS_SERR_1e_5             = 0x05,
        GSM48_QOS_SERR_1e_6             = 0x06,
        GSM48_QOS_SERR_1e_1             = 0x07,
};
 
/* 3GPP 24.008 / Chapter 10.5.5.20 / Table 10.5.153a */
enum gsm48_gmm_service_type {
        GPRS_SERVICE_T_SIGNALLING       = 0x00,
        GPRS_SERVICE_T_DATA             = 0x01,
        GPRS_SERVICE_T_PAGING_RESP      = 0x02,
        GPRS_SERVICE_T_MBMS_MC_SERV     = 0x03,
        GPRS_SERVICE_T_MBMS_BC_SERV     = 0x04,
};
 
extern const struct value_string *gprs_service_t_strs;
 
bool gprs_ms_net_cap_gea_supported(const uint8_t *ms_net_cap, uint8_t cap_len,
                                   enum gprs_ciph_algo gea);
 
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
struct gsm48_qos {
        /* octet 3 */
        uint8_t reliab_class:3;
        uint8_t delay_class:3;
        uint8_t spare:2;
        /* octet 4 */
        uint8_t preced_class:3;
        uint8_t spare2:1;
        uint8_t peak_tput:4;
        /* octet 5 */
        uint8_t mean_tput:5;
        uint8_t spare3:3;
        /* octet 6 */
        uint8_t deliv_err_sdu:3;
        uint8_t deliv_order:2;
        uint8_t traf_class:3;
        /* octet 7 */
        uint8_t max_sdu_size;
        /* octet 8 */
        uint8_t max_bitrate_up;
        /* octet 9 */
        uint8_t max_bitrate_down;
        /* octet 10 */
        uint8_t sdu_err_ratio:4;
        uint8_t resid_ber:4;
        /* octet 11 */
        uint8_t handling_prio:2;
        uint8_t xfer_delay:6;
        /* octet 12 */
        uint8_t guar_bitrate_up;
        /* octet 13 */
        uint8_t guar_bitrate_down;
        /* octet 14 */
        uint8_t src_stats_desc:4;
        uint8_t sig_ind:1;
        uint8_t spare5:3;
        /* octet 15 */
        uint8_t max_bitrate_down_ext;
        /* octet 16 */
        uint8_t guar_bitrate_down_ext;
};