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#pragma once
/* SCCP User SAP description */
/* (C) 2015-2017 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdint.h>
#include <osmocom/core/prim.h>
#include <osmocom/sigtran/sigtran_sap.h>
#include <netinet/in.h>
/* detailed coding of primitives at the SAP_SCCP_USER */
/*! \brief SCCP-User primitives as per Q.711 */
enum osmo_scu_prim_type {
/* connection oriented, 6.1.1 */
OSMO_SCU_PRIM_N_CONNECT,
OSMO_SCU_PRIM_N_DATA,
OSMO_SCU_PRIM_N_EXPEDITED_DATA,
OSMO_SCU_PRIM_N_DISCONNECT,
OSMO_SCU_PRIM_N_RESET,
OSMO_SCU_PRIM_N_INFORM,
/* connectionless, 6.2.2 */
OSMO_SCU_PRIM_N_UNITDATA,
OSMO_SCU_PRIM_N_NOTICE,
/* management */
OSMO_SCU_PRIM_N_COORD,
OSMO_SCU_PRIM_N_STATE,
OSMO_SCU_PRIM_N_PCSTATE,
};
#define OSMO_SCCP_ADDR_T_GT 0x0001 /* global title */
#define OSMO_SCCP_ADDR_T_PC 0x0002 /* signalling point code */
#define OSMO_SCCP_ADDR_T_SSN 0x0004 /* subsystem number */
#define OSMO_SCCP_ADDR_T_IPv4 0x0008
#define OSMO_SCCP_ADDR_T_IPv6 0x0010
/* Q.713 3.4.1 + RFC 3868 3.10.2.3 */
enum osmo_sccp_routing_ind {
OSMO_SCCP_RI_NONE,
OSMO_SCCP_RI_GT,
OSMO_SCCP_RI_SSN_PC,
OSMO_SCCP_RI_SSN_IP,
};
extern const struct value_string osmo_sccp_routing_ind_names[];
static inline const char *osmo_sccp_routing_ind_name(enum osmo_sccp_routing_ind val)
{ return get_value_string(osmo_sccp_routing_ind_names, val); }
/* Q.713 3.4.1 + RFC 3868 3.10.2.3 */
enum osmo_sccp_gti {
OSMO_SCCP_GTI_NO_GT,
OSMO_SCCP_GTI_NAI_ONLY,
OSMO_SCCP_GTI_TT_ONLY,
OSMO_SCCP_GTI_TT_NPL_ENC,
OSMO_SCCP_GTI_TT_NPL_ENC_NAI,
};
extern const struct value_string osmo_sccp_gti_names[];
static inline const char *osmo_sccp_gti_name(enum osmo_sccp_gti val)
{ return get_value_string(osmo_sccp_gti_names, val); }
/* RFC 3868 3.10.2.3 */
enum osmo_sccp_npi {
OSMO_SCCP_NPI_UNKNOWN = 0,
OSMO_SCCP_NPI_E164_ISDN = 1,
OSMO_SCCP_NPI_GEERIC = 2,
OSMO_SCCP_NPI_X121_DATA = 3,
OSMO_SCCP_NPI_F69_TELEX = 4,
OSMO_SCCP_NPI_E210_MARITIME = 5,
OSMO_SCCP_NPI_E212_LAND = 6,
OSMO_SCCP_NPI_E214_ISDN_MOBILE = 7,
OSMO_SCCP_NPI_PRIVATE = 14,
};
/* Q.713 3.4.2.3.1 + RFC 3868 3.10.2.3 */
enum osmo_sccp_nai {
OSMO_SCCP_NAI_UNKNOWN = 0,
OSMO_SCCP_NAI_SUBSCR = 1,
OSMO_SCCP_NAI_RES_NAT_USE = 2,
OSMO_SCCP_NAI_NATL = 3,
OSMO_SCCP_NAI_INTL = 4,
/* 5.. 255: Spare */
};
/* Q.713 3.4.2.2 */
enum osmo_sccp_ssn {
/* globally standardised for GSM/UMTS: 1-31 */
OSMO_SCCP_SSN_MGMT = 1,
OSMO_SCCP_SSN_ISUP = 3,
OSMO_SCCP_SSN_OMAP = 4,
OSMO_SCCP_SSN_MAP = 5,
OSMO_SCCP_SSN_HLR = 6,
OSMO_SCCP_SSN_VLR = 7,
OSMO_SCCP_SSN_MSC = 8,
OSMO_SCCP_SSN_EIR = 9,
OSMO_SCCP_SSN_AUC = 0x0a,
/* Q.713 */
OSMO_SCCP_SSN_ISDN_SS = 0x0b,
OSMO_SCCP_SSN_RES_INTL = 0x0c,
OSMO_SCCP_SSN_BISDN = 0x0d,
OSMO_SCCP_SSN_TC_TEST = 0x0e,
/* national network SSN for wihin and between GSM/UMTS: 129-150 */
OSMO_SCCP_SSN_RANAP = 142,
OSMO_SCCP_SSN_RNSAP = 143,
OSMO_SCCP_SSN_GMLC_MAP = 145,
OSMO_SCCP_SSN_CAP = 146,
OSMO_SCCP_SSN_gsmSCF_MAP = 147,
OSMO_SCCP_SSN_SIWF_MAP = 148,
OSMO_SCCP_SSN_SGSN_MAP = 149,
OSMO_SCCP_SSN_GGSN_MAP = 150,
/* national network SSN within GSM/UMTS: 32-128 + 151-254 */
OSMO_SCCP_SSN_PCAP = 249,
OSMO_SCCP_SSN_BSC_BSSAP = 250,
OSMO_SCCP_SSN_MSC_BSSAP = 251,
OSMO_SCCP_SSN_SMLC_BSSAP = 252,
OSMO_SCCP_SSN_BSS_OAM = 253,
};
extern const struct value_string osmo_sccp_ssn_names[];
static inline const char *osmo_sccp_ssn_name(enum osmo_sccp_ssn val)
{ return get_value_string(osmo_sccp_ssn_names, val); }
struct osmo_sccp_gt {
uint8_t gti;
uint8_t tt;
uint32_t npi;
uint32_t nai;
char digits[32];
};
struct osmo_sccp_addr {
uint32_t presence;
enum osmo_sccp_routing_ind ri;
struct osmo_sccp_gt gt;
uint32_t pc;
uint32_t ssn;
union {
struct in_addr v4;
struct in6_addr v6;
} ip;
/* we don't do hostnames */
};
/* OSMO_SCU_PRIM_N_CONNECT */
struct osmo_scu_connect_param {
struct osmo_sccp_addr called_addr;
struct osmo_sccp_addr calling_addr;
struct osmo_sccp_addr responding_addr;
//struct osmo_sccp_qos_pars qos_pars;
uint32_t sccp_class;
uint32_t importance;
uint32_t conn_id;
/* user data */
};
/* OSMO_SCU_PRIM_N_DATA / OSMO_SCU_PRIM_N_EXPEDITED_DATA */
struct osmo_scu_data_param {
uint32_t conn_id;
uint32_t importance;
/* user data */
};
enum osmo_sccp_originator {
OSMO_SCCP_ORIG_NS_PROVIDER,
OSMO_SCCP_ORIG_NS_USER,
OSMO_SCCP_ORIG_UNDEFINED,
};
/* OSMO_SCU_PRIM_N_DISCONNECT */
struct osmo_scu_disconn_param {
enum osmo_sccp_originator originator;
struct osmo_sccp_addr responding_addr;
uint32_t cause;
uint32_t conn_id;
uint32_t importance;
/* user data */
};
/* OSMO_SCU_PRIM_N_RESET */
struct osmo_scu_reset_param {
enum osmo_sccp_originator originator;
uint32_t cause;
uint32_t conn_id;
};
/* OSMO_SCU_PRIM_N_UNITDATA */
struct osmo_scu_unitdata_param {
struct osmo_sccp_addr called_addr;
struct osmo_sccp_addr calling_addr;
uint32_t in_sequence_control;
uint32_t return_option;
uint32_t importance;
/* user data */
};
/* OSMO_SCU_PRIM_N_NOTICE */
struct osmo_scu_notice_param {
struct osmo_sccp_addr called_addr;
struct osmo_sccp_addr calling_addr;
uint32_t cause;
uint32_t importance;
/* user data */
};
struct osmo_scu_prim {
struct osmo_prim_hdr oph;
union {
struct osmo_scu_connect_param connect;
struct osmo_scu_data_param data;
struct osmo_scu_disconn_param disconnect;
struct osmo_scu_reset_param reset;
struct osmo_scu_unitdata_param unitdata;
struct osmo_scu_notice_param notice;
} u;
};
#define msgb_scu_prim(msg) ((struct osmo_scu_prim *)(msg)->l1h)
char *osmo_scu_prim_name(struct osmo_prim_hdr *oph);
struct osmo_ss7_instance;
struct osmo_sccp_instance;
struct osmo_sccp_user;
void osmo_sccp_vty_init(void);
struct osmo_sccp_instance *
osmo_sccp_instance_create(struct osmo_ss7_instance *ss7, void *priv);
void osmo_sccp_instance_destroy(struct osmo_sccp_instance *inst);
struct osmo_ss7_instance *osmo_sccp_get_ss7(struct osmo_sccp_instance *sccp);
void osmo_sccp_user_unbind(struct osmo_sccp_user *scu);
void osmo_sccp_user_set_priv(struct osmo_sccp_user *scu, void *priv);
void *osmo_sccp_user_get_priv(struct osmo_sccp_user *scu);
struct osmo_sccp_user *
osmo_sccp_user_bind_pc(struct osmo_sccp_instance *inst, const char *name,
osmo_prim_cb prim_cb, uint16_t ssn, uint32_t pc);
struct osmo_sccp_user *
osmo_sccp_user_bind(struct osmo_sccp_instance *inst, const char *name,
osmo_prim_cb prim_cb, uint16_t ssn);
int osmo_sccp_user_sap_down(struct osmo_sccp_user *scu, struct osmo_prim_hdr *oph);
struct osmo_ss7_instance *
osmo_sccp_addr_by_name(struct osmo_sccp_addr *dest_addr,
const char *name);
const char *osmo_sccp_name_by_addr(const struct osmo_sccp_addr *addr);
void osmo_sccp_local_addr_by_instance(struct osmo_sccp_addr *dest_addr,
const struct osmo_sccp_instance *inst,
uint32_t ssn);
bool osmo_sccp_check_addr(struct osmo_sccp_addr *addr, uint32_t presence);
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