114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
|
#pragma once
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <osmocom/core/linuxlist.h>
|
||
|
|
|
||
|
|
struct osmo_cbsp_cbc_client;
|
||
|
|
struct osmo_sabp_cbc_client;
|
||
|
|
|
||
|
|
/*********************************************************************************
|
||
|
|
* CBC Peer
|
||
|
|
*********************************************************************************/
|
||
|
|
|
||
|
|
enum cbc_peer_protocol {
|
||
|
|
CBC_PEER_PROTO_CBSP,
|
||
|
|
CBC_PEER_PROTO_SABP,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct cbc_peer {
|
||
|
|
struct llist_head list; /* linked to cbc.peers */
|
||
|
|
const char *name;
|
||
|
|
|
||
|
|
enum cbc_peer_protocol proto;
|
||
|
|
union {
|
||
|
|
struct osmo_cbsp_cbc_client *cbsp;
|
||
|
|
struct osmo_sabp_cbc_client *sabp;
|
||
|
|
} client;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*********************************************************************************
|
||
|
|
* CBC Message
|
||
|
|
*********************************************************************************/
|
||
|
|
|
||
|
|
/* a single SMSCB page of 82 user bytes (excluding any GSM specific header) */
|
||
|
|
#define SMSCB_RAW_PAGE_LEN 82
|
||
|
|
#define SMSCB_MAX_NUM_PAGES 15
|
||
|
|
|
||
|
|
/* representation of a plain SMSCB message without any metadata such as cell lists */
|
||
|
|
struct smscb_message {
|
||
|
|
uint16_t message_id;
|
||
|
|
uint16_t serial_nr;
|
||
|
|
|
||
|
|
bool is_etws;
|
||
|
|
union {
|
||
|
|
struct {
|
||
|
|
/* data coding scheme */
|
||
|
|
uint8_t dcs;
|
||
|
|
/* number of pages containing valid information */
|
||
|
|
unsigned int num_pages;
|
||
|
|
/* actual page data, concatenated */
|
||
|
|
uint8_t data[SMSCB_RAW_PAGE_LEN][SMSCB_MAX_NUM_PAGES];
|
||
|
|
/* FIXME: do we need information on the total length to
|
||
|
|
* determine which is the last block used in [at least the last]
|
||
|
|
* page? */
|
||
|
|
} cbs;
|
||
|
|
struct {
|
||
|
|
/* WarningType 16bit parameter as per 23.041 9.3.24 */
|
||
|
|
uint16_t warning_type;
|
||
|
|
uint8_t warning_sec_info[50];
|
||
|
|
} etws;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
enum cbc_message_prio {
|
||
|
|
CBC_MSG_PRIO_NORMAL,
|
||
|
|
CBC_MSG_PRIO_HIGH,
|
||
|
|
CBC_MSG_PRIO_BACKGRROUND,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum cbc_message_scope {
|
||
|
|
CBC_MSG_SCOPE_PLMN,
|
||
|
|
/* FIXME: more local/regional scopes than PLMN-wide */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* link between a SMSCB message and a peer (BSC, RNC, MME) */
|
||
|
|
struct cbc_message_peer {
|
||
|
|
struct llist_head list; /* lined to cbc_message.peers */
|
||
|
|
struct cbc_peer *peer; /* peer */
|
||
|
|
bool acknowledged; /* did peer acknowledge this message yet? */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* internal representation of a CBC message */
|
||
|
|
struct cbc_message {
|
||
|
|
struct llist_head list; /* global list of currently active CBCs */
|
||
|
|
|
||
|
|
enum cbc_message_prio priority;
|
||
|
|
uint16_t rep_period; /* repetition period (1..4095) */
|
||
|
|
bool extended_cbch; /* basic (false) or extended (true) CBCH */
|
||
|
|
uint16_t warning_period_sec; /* warning period in seconds */
|
||
|
|
uint16_t num_bcast; /* number of broadcasts requested */
|
||
|
|
|
||
|
|
enum cbc_message_scope scope;
|
||
|
|
/* FIXME: data for other scopes than PLMN-wide */
|
||
|
|
|
||
|
|
/* SMSCB message with id, serial, dcs, pages, ... */
|
||
|
|
struct smscb_message msg;
|
||
|
|
|
||
|
|
/* CBC peers (BSCs, RNCs, MMEs) to which this message has already been sent */
|
||
|
|
struct llist_head peers;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*********************************************************************************
|
||
|
|
* CBC itself
|
||
|
|
*********************************************************************************/
|
||
|
|
|
||
|
|
struct cbc {
|
||
|
|
struct {
|
||
|
|
} config;
|
||
|
|
|
||
|
|
struct llist_head messages; /* cbc_message.list */
|
||
|
|
struct llist_head peers; /* cbc_peer.list */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct cbc *g_cbc;
|