610 lines
18 KiB
C
610 lines
18 KiB
C
#ifndef _GSM_DATA_H
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#define _GSM_DATA_H
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#include <stdint.h>
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#include <regex.h>
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#include <sys/types.h>
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#include <stdbool.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/stats.h>
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#include <osmocom/gsm/gsm48.h>
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#include <osmocom/crypt/auth.h>
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#include <osmocom/sigtran/sccp_sap.h>
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#include <osmocom/msc/common.h>
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#include <osmocom/msc/common_cs.h>
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#include <osmocom/mgcp_client/mgcp_client.h>
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/** annotations for msgb ownership */
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#define __uses
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#define OBSC_NM_W_ACK_CB(__msgb) (__msgb)->cb[3]
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struct mncc_sock_state;
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struct gsm_subscriber_group;
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struct bsc_subscr;
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struct vlr_instance;
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struct vlr_subscr;
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struct ranap_ue_conn_ctx;
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#define OBSC_LINKID_CB(__msgb) (__msgb)->cb[3]
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#define tmsi_from_string(str) strtoul(str, NULL, 10)
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/* 3-bit long values */
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#define EARFCN_PRIO_INVALID 8
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#define EARFCN_MEAS_BW_INVALID 8
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/* 5-bit long values */
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#define EARFCN_QRXLV_INVALID 32
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#define EARFCN_THRESH_LOW_INVALID 32
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enum gsm_security_event {
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GSM_SECURITY_NOAVAIL,
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GSM_SECURITY_AUTH_FAILED,
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GSM_SECURITY_SUCCEEDED,
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GSM_SECURITY_ALREADY,
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};
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struct msgb;
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typedef int gsm_cbfn(unsigned int hooknum,
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unsigned int event,
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struct msgb *msg,
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void *data, void *param);
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/* Real authentication information containing Ki */
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enum gsm_auth_algo {
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AUTH_ALGO_NONE,
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AUTH_ALGO_XOR,
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AUTH_ALGO_COMP128v1,
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};
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struct gsm_auth_info {
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enum gsm_auth_algo auth_algo;
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unsigned int a3a8_ki_len;
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uint8_t a3a8_ki[16];
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};
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struct gsm_auth_tuple {
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int use_count;
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int key_seq;
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struct osmo_auth_vector vec;
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};
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#define GSM_KEY_SEQ_INVAL 7 /* GSM 04.08 - 10.5.1.2 */
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/*
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* AUTHENTICATION/CIPHERING state
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*/
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struct gsm_security_operation {
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struct gsm_auth_tuple atuple;
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gsm_cbfn *cb;
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void *cb_data;
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};
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/*
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* A dummy to keep a connection up for at least
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* a couple of seconds to work around MSC issues.
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*/
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struct gsm_anchor_operation {
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struct osmo_timer_list timeout;
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};
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/* Maximum number of neighbor cells whose average we track */
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#define MAX_NEIGH_MEAS 10
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/* Maximum size of the averaging window for neighbor cells */
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#define MAX_WIN_NEIGH_AVG 10
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/* processed neighbor measurements for one cell */
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struct neigh_meas_proc {
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uint16_t arfcn;
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uint8_t bsic;
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uint8_t rxlev[MAX_WIN_NEIGH_AVG];
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unsigned int rxlev_cnt;
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uint8_t last_seen_nr;
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};
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enum ran_type {
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RAN_UNKNOWN,
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RAN_GERAN_A, /* 2G / A-interface */
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RAN_UTRAN_IU, /* 3G / Iu-interface (IuCS or IuPS) */
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};
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extern const struct value_string ran_type_names[];
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static inline const char *ran_type_name(enum ran_type val)
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{ return get_value_string(ran_type_names, val); }
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struct gsm_classmark {
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bool classmark1_set;
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struct gsm48_classmark1 classmark1;
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uint8_t classmark2_len;
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uint8_t classmark2[3];
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uint8_t classmark3_len;
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uint8_t classmark3[14]; /* if cm3 gets extended by spec, it will be truncated */
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};
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enum integrity_protection_state {
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INTEGRITY_PROTECTION_NONE = 0,
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INTEGRITY_PROTECTION_IK = 1,
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INTEGRITY_PROTECTION_IK_CK = 2,
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};
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/* active radio connection of a mobile subscriber */
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struct gsm_subscriber_connection {
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/* global linked list of subscriber_connections */
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struct llist_head entry;
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/* usage count. If this drops to zero, we start the release
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* towards A/Iu */
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uint32_t use_count;
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/* The MS has opened the conn with a CM Service Request, and we shall
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* keep it open for an actual request (or until timeout). */
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bool received_cm_service_request;
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/* libbsc subscriber information (if available) */
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struct bsc_subscr *bsub;
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/* libmsc/libvlr subscriber information (if available) */
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struct vlr_subscr *vsub;
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/* LU expiration handling */
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uint8_t expire_timer_stopped;
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/* SMS helpers for libmsc */
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uint8_t next_rp_ref;
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/*
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* Operations that have a state and might be pending
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*/
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struct gsm_security_operation *sec_operation;
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struct gsm_anchor_operation *anch_operation;
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struct osmo_fsm_inst *conn_fsm;
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/* Are we part of a special "silent" call */
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int silent_call;
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/* MNCC rtp bridge markers */
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int mncc_rtp_bridge;
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int mncc_rtp_create_pending;
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int mncc_rtp_connect_pending;
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/* bsc structures */
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struct osmo_bsc_sccp_con *sccp_con; /* BSC */
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/* back pointers */
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struct gsm_network *network;
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bool in_release;
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struct gsm_lchan *lchan; /* BSC */
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struct gsm_lchan *ho_lchan; /* BSC */
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struct gsm_bts *bts; /* BSC */
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/* for assignment handling */
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struct osmo_timer_list T10; /* BSC */
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struct gsm_lchan *secondary_lchan; /* BSC */
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/* connected via 2G or 3G? */
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enum ran_type via_ran;
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struct gsm_classmark classmark;
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uint16_t lac;
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struct gsm_encr encr;
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struct {
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unsigned int mgcp_rtp_endpoint;
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uint16_t port_subscr;
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uint16_t port_cn;
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} rtp;
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/* which Iu-CS connection, if any. */
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struct {
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struct ranap_ue_conn_ctx *ue_ctx;
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uint8_t rab_id;
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} iu;
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struct {
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/* A pointer to the SCCP user that handles
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* the SCCP connections for this subscriber
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* connection */
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struct osmo_sccp_user *scu;
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/* The address of the BSC that is associated
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* with this subscriber connection */
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struct osmo_sccp_addr bsc_addr;
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/* The connection identifier that is used
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* to reference the SCCP connection that is
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* associated with this subscriber connection */
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int conn_id;
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} a;
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};
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#define ROLE_BSC
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#include "gsm_data_shared.h"
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enum {
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BSC_CTR_CHREQ_TOTAL,
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BSC_CTR_CHREQ_NO_CHANNEL,
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BSC_CTR_HANDOVER_ATTEMPTED,
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BSC_CTR_HANDOVER_NO_CHANNEL,
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BSC_CTR_HANDOVER_TIMEOUT,
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BSC_CTR_HANDOVER_COMPLETED,
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BSC_CTR_HANDOVER_FAILED,
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BSC_CTR_PAGING_ATTEMPTED,
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BSC_CTR_PAGING_DETACHED,
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BSC_CTR_PAGING_COMPLETED,
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BSC_CTR_PAGING_EXPIRED,
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BSC_CTR_CHAN_RF_FAIL,
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BSC_CTR_CHAN_RLL_ERR,
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BSC_CTR_BTS_OML_FAIL,
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BSC_CTR_BTS_RSL_FAIL,
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BSC_CTR_CODEC_AMR_F,
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BSC_CTR_CODEC_AMR_H,
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BSC_CTR_CODEC_EFR,
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BSC_CTR_CODEC_V1_FR,
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BSC_CTR_CODEC_V1_HR,
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};
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static const struct rate_ctr_desc bsc_ctr_description[] = {
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[BSC_CTR_CHREQ_TOTAL] = {"chreq.total", "Received channel requests."},
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[BSC_CTR_CHREQ_NO_CHANNEL] = {"chreq.no_channel", "Sent to MS no channel available."},
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[BSC_CTR_HANDOVER_ATTEMPTED] = {"handover.attempted", "Received handover attempts."},
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[BSC_CTR_HANDOVER_NO_CHANNEL] = {"handover.no_channel", "Sent no channel available responses."},
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[BSC_CTR_HANDOVER_TIMEOUT] = {"handover.timeout", "Count the amount of timeouts of timer T3103."},
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[BSC_CTR_HANDOVER_COMPLETED] = {"handover.completed", "Received handover completed."},
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[BSC_CTR_HANDOVER_FAILED] = {"handover.failed", "Receive HO FAIL messages."},
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[BSC_CTR_PAGING_ATTEMPTED] = {"paging.attempted", "Paging attempts for a MS."},
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[BSC_CTR_PAGING_DETACHED] = {"paging.detached", "Counts the amount of paging attempts which couldn't sent out any paging request because no responsible bts found."},
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[BSC_CTR_PAGING_COMPLETED] = {"paging.completed", "Paging successful completed."},
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[BSC_CTR_PAGING_EXPIRED] = {"paging.expired", "Paging Request expired because of timeout T3113."},
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[BSC_CTR_CHAN_RF_FAIL] = {"chan.rf_fail", "Received a RF failure indication from BTS."},
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[BSC_CTR_CHAN_RLL_ERR] = {"chan.rll_err", "Received a RLL failure with T200 cause from BTS."},
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[BSC_CTR_BTS_OML_FAIL] = {"bts.oml_fail", "Received a TEI down on a OML link."},
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[BSC_CTR_BTS_RSL_FAIL] = {"bts.rsl_fail", "Received a TEI down on a OML link."},
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[BSC_CTR_CODEC_AMR_F] = {"bts.codec_amr_f", "Count the usage of AMR/F codec by channel mode requested."},
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[BSC_CTR_CODEC_AMR_H] = {"bts.codec_amr_h", "Count the usage of AMR/H codec by channel mode requested."},
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[BSC_CTR_CODEC_EFR] = {"bts.codec_efr", "Count the usage of EFR codec by channel mode requested."},
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[BSC_CTR_CODEC_V1_FR] = {"bts.codec_fr", "Count the usage of FR codec by channel mode requested."},
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[BSC_CTR_CODEC_V1_HR] = {"bts.codec_hr", "Count the usage of HR codec by channel mode requested."},
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};
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enum {
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MSC_CTR_LOC_UPDATE_TYPE_ATTACH,
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MSC_CTR_LOC_UPDATE_TYPE_NORMAL,
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MSC_CTR_LOC_UPDATE_TYPE_PERIODIC,
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MSC_CTR_LOC_UPDATE_TYPE_DETACH,
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MSC_CTR_LOC_UPDATE_FAILED,
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MSC_CTR_LOC_UPDATE_COMPLETED,
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MSC_CTR_SMS_SUBMITTED,
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MSC_CTR_SMS_NO_RECEIVER,
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MSC_CTR_SMS_DELIVERED,
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MSC_CTR_SMS_RP_ERR_MEM,
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MSC_CTR_SMS_RP_ERR_OTHER,
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MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR,
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MSC_CTR_CALL_MO_SETUP,
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MSC_CTR_CALL_MO_CONNECT_ACK,
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MSC_CTR_CALL_MT_SETUP,
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MSC_CTR_CALL_MT_CONNECT,
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MSC_CTR_CALL_ACTIVE,
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MSC_CTR_CALL_COMPLETE,
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MSC_CTR_CALL_INCOMPLETE,
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};
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static const struct rate_ctr_desc msc_ctr_description[] = {
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[MSC_CTR_LOC_UPDATE_TYPE_ATTACH] = {"loc_update_type:attach", "Received location update imsi attach requests."},
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[MSC_CTR_LOC_UPDATE_TYPE_NORMAL] = {"loc_update_type:normal", "Received location update normal requests."},
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[MSC_CTR_LOC_UPDATE_TYPE_PERIODIC] = {"loc_update_type:periodic", "Received location update periodic requests."},
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[MSC_CTR_LOC_UPDATE_TYPE_DETACH] = {"loc_update_type:detach", "Received location update detach indication."},
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[MSC_CTR_LOC_UPDATE_FAILED] = {"loc_update_resp:failed", "Rejected location updates."},
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[MSC_CTR_LOC_UPDATE_COMPLETED] = {"loc_update_resp:completed", "Successful location updates."},
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[MSC_CTR_SMS_SUBMITTED] = {"sms:submitted", "Received a RPDU from a MS (MO)."},
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[MSC_CTR_SMS_NO_RECEIVER] = {"sms:no_receiver", "Counts SMS which couldn't routed because no receiver found."},
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[MSC_CTR_SMS_DELIVERED] = {"sms:delivered", "Global SMS Deliver attempts."},
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[MSC_CTR_SMS_RP_ERR_MEM] = {"sms:rp_err_mem", "CAUSE_MT_MEM_EXCEEDED errors of MS responses on a sms deliver attempt."},
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[MSC_CTR_SMS_RP_ERR_OTHER] = {"sms:rp_err_other", "Other error of MS responses on a sms delive attempt."},
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[MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR] = {"sms:deliver_unknown_error", "Unknown error occured during sms delivery."},
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/* FIXME: count also sms delivered */
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[MSC_CTR_CALL_MO_SETUP] = {"call:mo_setup", "Received setup requests from a MS to init a MO call."},
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[MSC_CTR_CALL_MO_CONNECT_ACK] = {"call:mo_connect_ack", "Received a connect ack from MS of a MO call. Call is now succesful connected up."},
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[MSC_CTR_CALL_MT_SETUP] = {"call:mt_setup", "Sent setup requests to the MS (MT)."},
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[MSC_CTR_CALL_MT_CONNECT] = {"call:mt_connect", "Sent a connect to the MS (MT)."},
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[MSC_CTR_CALL_ACTIVE] = {"call:active", "Count total amount of calls that ever reached active state."},
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[MSC_CTR_CALL_COMPLETE] = {"call:complete", "Count total amount of calls which got terminated by disconnect req or ind after reaching active state."},
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[MSC_CTR_CALL_INCOMPLETE] = {"call:incomplete", "Count total amount of call which got terminated by any other reason after reaching active state."},
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};
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static const struct rate_ctr_group_desc bsc_ctrg_desc = {
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"bsc",
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"base station controller",
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OSMO_STATS_CLASS_GLOBAL,
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ARRAY_SIZE(bsc_ctr_description),
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bsc_ctr_description,
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};
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static const struct rate_ctr_group_desc msc_ctrg_desc = {
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"msc",
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"mobile switching center",
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OSMO_STATS_CLASS_GLOBAL,
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ARRAY_SIZE(msc_ctr_description),
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msc_ctr_description,
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};
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enum gsm_auth_policy {
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GSM_AUTH_POLICY_CLOSED, /* only subscribers authorized in DB */
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GSM_AUTH_POLICY_ACCEPT_ALL, /* accept everyone, even if not authorized in DB */
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GSM_AUTH_POLICY_TOKEN, /* accept first, send token per sms, then revoke authorization */
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GSM_AUTH_POLICY_REGEXP, /* accept IMSIs matching given regexp */
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};
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#define GSM_T3101_DEFAULT 10 /* s */
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#define GSM_T3103_DEFAULT 5 /* s */
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#define GSM_T3105_DEFAULT 100 /* ms */
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#define GSM_T3107_DEFAULT 5 /* s */
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#define GSM_T3109_DEFAULT 19 /* s, must be 2s + radio_link_timeout*0.48 */
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#define GSM_T3111_DEFAULT 2 /* s */
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#define GSM_T3113_DEFAULT 60
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#define GSM_T3115_DEFAULT 10
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#define GSM_T3117_DEFAULT 10
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#define GSM_T3119_DEFAULT 10
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#define GSM_T3122_DEFAULT 10
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#define GSM_T3141_DEFAULT 10
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struct gsm_tz {
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int override; /* if 0, use system's time zone instead. */
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int hr; /* hour */
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int mn; /* minute */
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int dst; /* daylight savings */
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};
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struct gsm_network {
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/* TODO MSCSPLIT the gsm_network struct is basically a kitchen sink for
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* global settings and variables, "madly" mixing BSC and MSC stuff. Split
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* this in e.g. struct osmo_bsc and struct osmo_msc, with the things
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* these have in common, like country and network code, put in yet
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* separate structs and placed as members in osmo_bsc and osmo_msc. */
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/* global parameters */
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uint16_t country_code;
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uint16_t network_code;
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char *name_long;
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char *name_short;
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enum gsm_auth_policy auth_policy;
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regex_t authorized_regexp;
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char *authorized_reg_str;
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enum gsm48_reject_value reject_cause;
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int a5_encryption;
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bool authentication_required;
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int neci;
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int send_mm_info;
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struct {
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int active;
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/* Window RXLEV averaging */
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unsigned int win_rxlev_avg; /* number of SACCH frames */
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/* Window RXQUAL averaging */
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unsigned int win_rxqual_avg; /* number of SACCH frames */
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/* Window RXLEV neighbouring cells averaging */
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unsigned int win_rxlev_avg_neigh; /* number of SACCH frames */
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/* how often should we check for power budget HO */
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unsigned int pwr_interval; /* SACCH frames */
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/* how much better does a neighbor cell have to be ? */
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unsigned int pwr_hysteresis; /* dBm */
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/* maximum distacne before we try a handover */
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unsigned int max_distance; /* TA values */
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} handover;
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struct rate_ctr_group *bsc_ctrs;
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struct rate_ctr_group *msc_ctrs;
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struct osmo_counter *active_calls;
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/* layer 4 */
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struct mncc_sock_state *mncc_state;
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mncc_recv_cb_t mncc_recv;
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struct llist_head upqueue;
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/*
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* TODO: Move the trans_list into the subscriber connection and
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* create a pending list for MT transactions. These exist before
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* we have a subscriber connection.
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*/
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struct llist_head trans_list;
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struct bsc_api *bsc_api;
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unsigned int num_bts;
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struct llist_head bts_list;
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/* timer values */
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int T3101;
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int T3103;
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int T3105;
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int T3107;
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int T3109;
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int T3111;
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int T3113;
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int T3115;
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int T3117;
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int T3119;
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int T3122;
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int T3141;
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/* timer to expire old location updates */
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struct osmo_timer_list subscr_expire_timer;
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/* Radio Resource Location Protocol (TS 04.31) */
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struct {
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enum rrlp_mode mode;
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} rrlp;
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enum gsm_chan_t ctype_by_chreq[18];
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/* Use a TCH for handling requests of type paging any */
|
|
int pag_any_tch;
|
|
|
|
/* MSC data in case we are a true BSC */
|
|
struct osmo_bsc_data *bsc_data;
|
|
|
|
struct gsm_sms_queue *sms_queue;
|
|
|
|
/* control interface */
|
|
struct ctrl_handle *ctrl;
|
|
|
|
/* Allow or disallow TCH/F on dynamic TCH/F_TCH/H_PDCH; OS#1778 */
|
|
bool dyn_ts_allow_tch_f;
|
|
|
|
/* all active subscriber connections. */
|
|
struct llist_head subscr_conns;
|
|
|
|
/* if override is nonzero, this timezone data is used for all MM
|
|
* contexts. */
|
|
/* TODO: in OsmoNITB, tz-override used to be BTS-specific. To enable
|
|
* BTS|RNC specific timezone overrides for multi-tz networks in
|
|
* OsmoMSC, this should be tied to the location area code (LAC). */
|
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struct gsm_tz tz;
|
|
|
|
/* List of all struct bsc_subscr used in libbsc. This llist_head is
|
|
* allocated so that the llist_head pointer itself can serve as a
|
|
* talloc context (useful to not have to pass the entire gsm_network
|
|
* struct to the bsc_subscr_* API, and for bsc_susbscr unit tests to
|
|
* not require gsm_data.h). In an MSC-without-BSC environment, this
|
|
* pointer is NULL to indicate absence of a bsc_subscribers list. */
|
|
struct llist_head *bsc_subscribers;
|
|
|
|
/* MSC: GSUP server address of the HLR */
|
|
const char *gsup_server_addr_str;
|
|
uint16_t gsup_server_port;
|
|
|
|
struct vlr_instance *vlr;
|
|
|
|
/* Periodic location update default value */
|
|
uint8_t t3212;
|
|
|
|
struct {
|
|
struct mgcp_client_conf conf;
|
|
struct mgcp_client *client;
|
|
} mgw;
|
|
|
|
struct {
|
|
/* CS7 instance id number (set via VTY) */
|
|
uint32_t cs7_instance;
|
|
int rab_assign_addr_enc;
|
|
struct osmo_sccp_instance *sccp;
|
|
} iu;
|
|
|
|
struct {
|
|
/* CS7 instance id number (set via VTY) */
|
|
uint32_t cs7_instance;
|
|
/* A list with the context information about
|
|
* all BSCs we have connections with */
|
|
struct llist_head bscs;
|
|
struct osmo_sccp_instance *sccp;
|
|
} a;
|
|
};
|
|
|
|
struct osmo_esme;
|
|
|
|
enum gsm_sms_source_id {
|
|
SMS_SOURCE_UNKNOWN = 0,
|
|
SMS_SOURCE_MS, /* received from MS */
|
|
SMS_SOURCE_VTY, /* received from VTY */
|
|
SMS_SOURCE_SMPP, /* received via SMPP */
|
|
};
|
|
|
|
#define SMS_HDR_SIZE 128
|
|
#define SMS_TEXT_SIZE 256
|
|
|
|
struct gsm_sms_addr {
|
|
uint8_t ton;
|
|
uint8_t npi;
|
|
char addr[21+1];
|
|
};
|
|
|
|
struct gsm_sms {
|
|
unsigned long long id;
|
|
struct vlr_subscr *receiver;
|
|
struct gsm_sms_addr src, dst;
|
|
enum gsm_sms_source_id source;
|
|
|
|
struct {
|
|
uint8_t transaction_id;
|
|
uint32_t msg_ref;
|
|
} gsm411;
|
|
|
|
struct {
|
|
struct osmo_esme *esme;
|
|
uint32_t sequence_nr;
|
|
int transaction_mode;
|
|
char msg_id[16];
|
|
} smpp;
|
|
|
|
unsigned long validity_minutes;
|
|
time_t created;
|
|
bool is_report;
|
|
uint8_t reply_path_req;
|
|
uint8_t status_rep_req;
|
|
uint8_t ud_hdr_ind;
|
|
uint8_t protocol_id;
|
|
uint8_t data_coding_scheme;
|
|
uint8_t msg_ref;
|
|
uint8_t user_data_len;
|
|
uint8_t user_data[SMS_TEXT_SIZE];
|
|
|
|
char text[SMS_TEXT_SIZE];
|
|
};
|
|
|
|
extern void talloc_ctx_init(void *ctx_root);
|
|
|
|
enum gsm_bts_type parse_btstype(const char *arg);
|
|
const char *btstype2str(enum gsm_bts_type type);
|
|
struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
|
|
struct gsm_bts *start_bts);
|
|
|
|
extern void *tall_bsc_ctx;
|
|
extern int ipacc_rtp_direct;
|
|
|
|
enum gsm_auth_policy gsm_auth_policy_parse(const char *arg);
|
|
const char *gsm_auth_policy_name(enum gsm_auth_policy policy);
|
|
|
|
enum rrlp_mode rrlp_mode_parse(const char *arg);
|
|
const char *rrlp_mode_name(enum rrlp_mode mode);
|
|
|
|
enum bts_gprs_mode bts_gprs_mode_parse(const char *arg, int *valid);
|
|
const char *bts_gprs_mode_name(enum bts_gprs_mode mode);
|
|
|
|
int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts);
|
|
void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts);
|
|
|
|
struct gsm_subscriber_connection *bsc_subscr_con_allocate(struct gsm_lchan *lchan);
|
|
void bsc_subscr_con_free(struct gsm_subscriber_connection *conn);
|
|
|
|
struct gsm_subscriber_connection *msc_subscr_con_allocate(struct gsm_network *network);
|
|
void msc_subscr_con_free(struct gsm_subscriber_connection *conn);
|
|
|
|
void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr,
|
|
uint8_t e1_ts, uint8_t e1_ts_ss);
|
|
|
|
void gsm_trx_lock_rf(struct gsm_bts_trx *trx, int locked);
|
|
|
|
struct gsm_bts_trx *gsm_bts_trx_by_nr(struct gsm_bts *bts, int nr);
|
|
int gsm_bts_trx_set_system_infos(struct gsm_bts_trx *trx);
|
|
int gsm_bts_set_system_infos(struct gsm_bts *bts);
|
|
|
|
/* generic E1 line operations for all ISDN-based BTS. */
|
|
extern struct e1inp_line_ops bts_isdn_e1inp_line_ops;
|
|
|
|
extern const struct value_string bts_type_names[_NUM_GSM_BTS_TYPE+1];
|
|
extern const struct value_string bts_type_descs[_NUM_GSM_BTS_TYPE+1];
|
|
|
|
/* control interface handling */
|
|
int bsc_base_ctrl_cmds_install(void);
|
|
int msc_ctrl_cmds_install(struct gsm_network *net);
|
|
|
|
bool classmark_is_r99(struct gsm_classmark *cm);
|
|
|
|
#endif /* _GSM_DATA_H */
|