libosmo-sigtran  1.9.0.1-797d
Osmocom SIGTRAN library
osmo_ss7.c File Reference
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <inttypes.h>
#include <netdb.h>
#include <netinet/in.h>
#include <netinet/sctp.h>
#include <osmocom/sigtran/osmo_ss7.h>
#include <osmocom/sigtran/mtp_sap.h>
#include <osmocom/sigtran/protocol/mtp.h>
#include <osmocom/sigtran/protocol/sua.h>
#include <osmocom/sigtran/protocol/m3ua.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/select.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/sockaddr_str.h>
#include <osmocom/netif/stream.h>
#include <osmocom/netif/ipa.h>
#include <osmocom/netif/sctp.h>
#include "sccp_internal.h"
#include "xua_internal.h"
#include "ss7_internal.h"
#include "xua_asp_fsm.h"
#include "xua_as_fsm.h"

Macros

#define MAX_PC_STR_LEN   32
 

Functions

 LLIST_HEAD (osmo_ss7_instances)
 
int osmo_ss7_find_free_rctx (struct osmo_ss7_instance *inst)
 
uint32_t ss7_find_free_l_rk_id (struct osmo_ss7_instance *inst)
 
static int strnappendchar (char *str, char c, size_t n)
 
static const char * gen_pc_fmtstr (const struct osmo_ss7_pc_fmt *pc_fmt, unsigned int *num_comp_exp)
 
static unsigned int num_pc_comp_exp (const struct osmo_ss7_pc_fmt *pc_fmt)
 
uint8_t osmo_ss7_pc_width (const struct osmo_ss7_pc_fmt *pc_fmt)
 
uint32_t osmo_ss7_pc_normalize (const struct osmo_ss7_pc_fmt *pc_fmt, uint32_t pc)
 
static unsigned int get_pc_comp_shift (const struct osmo_ss7_pc_fmt *pc_fmt, unsigned int comp_num)
 
static uint32_t pc_comp_shift_and_mask (const struct osmo_ss7_pc_fmt *pc_fmt, unsigned int comp_num, uint32_t pc)
 
int osmo_ss7_pointcode_parse (struct osmo_ss7_instance *inst, const char *str)
 
const char * osmo_ss7_pointcode_print_buf (char *buf, size_t len, const struct osmo_ss7_instance *inst, uint32_t pc)
 
const char * osmo_ss7_pointcode_print (const struct osmo_ss7_instance *inst, uint32_t pc)
 
const char * osmo_ss7_pointcode_print2 (const struct osmo_ss7_instance *inst, uint32_t pc)
 
int osmo_ss7_pointcode_parse_mask_or_len (struct osmo_ss7_instance *inst, const char *in)
 
struct osmo_ss7_instanceosmo_ss7_instance_find (uint32_t id)
 Find a SS7 Instance with given ID. More...
 
struct osmo_ss7_instanceosmo_ss7_instance_find_or_create (void *ctx, uint32_t id)
 Find or create a SS7 Instance. More...
 
void osmo_ss7_instance_destroy (struct osmo_ss7_instance *inst)
 Destroy a SS7 Instance. More...
 
int osmo_ss7_instance_set_pc_fmt (struct osmo_ss7_instance *inst, uint8_t c0, uint8_t c1, uint8_t c2)
 Set the point code format used in given SS7 instance. More...
 
struct osmo_sccp_instanceosmo_ss7_ensure_sccp (struct osmo_ss7_instance *inst)
 Allocate an SCCP instance, if not present yet. More...
 
int osmo_ss7_user_register (struct osmo_ss7_instance *inst, uint8_t service_ind, struct osmo_ss7_user *user)
 Register a MTP user for a given service indicator. More...
 
int osmo_ss7_user_unregister (struct osmo_ss7_instance *inst, uint8_t service_ind, struct osmo_ss7_user *user)
 Unregister a MTP user for a given service indicator. More...
 
int osmo_ss7_mtp_to_user (struct osmo_ss7_instance *inst, struct osmo_mtp_prim *omp)
 
void osmo_ss7_linkset_destroy (struct osmo_ss7_linkset *lset)
 Destroy a SS7 Linkset. More...
 
struct osmo_ss7_linksetosmo_ss7_linkset_find_by_name (struct osmo_ss7_instance *inst, const char *name)
 Find SS7 Linkset by given name. More...
 
struct osmo_ss7_linksetosmo_ss7_linkset_find_or_create (struct osmo_ss7_instance *inst, const char *name, uint32_t pc)
 Find or allocate SS7 Linkset. More...
 
void osmo_ss7_link_destroy (struct osmo_ss7_link *link)
 Destroy SS7 Link. More...
 
struct osmo_ss7_linkosmo_ss7_link_find_or_create (struct osmo_ss7_linkset *lset, uint32_t id)
 Find or create SS7 Link with given ID in given Linkset. More...
 
struct osmo_ss7_route_tableosmo_ss7_route_table_find (struct osmo_ss7_instance *inst, const char *name)
 
struct osmo_ss7_route_tableosmo_ss7_route_table_find_or_create (struct osmo_ss7_instance *inst, const char *name)
 
void osmo_ss7_route_table_destroy (struct osmo_ss7_route_table *rtbl)
 
struct osmo_ss7_routeosmo_ss7_route_find_dpc (struct osmo_ss7_route_table *rtbl, uint32_t dpc)
 Find a SS7 route for given destination point code in given table. More...
 
struct osmo_ss7_routeosmo_ss7_route_find_dpc_mask (struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask)
 Find a SS7 route for given destination point code + mask in given table. More...
 
struct osmo_ss7_routeosmo_ss7_route_lookup (struct osmo_ss7_instance *inst, uint32_t dpc)
 Find a SS7 route for given destination point code in given SS7. More...
 
static void route_insert_sorted (struct osmo_ss7_route_table *rtbl, struct osmo_ss7_route *cmp)
 
struct osmo_ss7_routeosmo_ss7_route_create (struct osmo_ss7_route_table *rtbl, uint32_t pc, uint32_t mask, const char *linkset_name)
 Create a new route in the given routing table. More...
 
void osmo_ss7_route_destroy (struct osmo_ss7_route *rt)
 Destroy a given SS7 route. More...
 
static unsigned int count_leading_one_bits (uint32_t inp, unsigned int nbits)
 
static int u32_masklen (uint32_t mask, unsigned int nbits)
 
const char * osmo_ss7_route_print (const struct osmo_ss7_route *rt)
 
struct osmo_ss7_asosmo_ss7_as_find_by_name (struct osmo_ss7_instance *inst, const char *name)
 Find Application Server by given name. More...
 
struct osmo_ss7_asosmo_ss7_as_find_by_rctx (struct osmo_ss7_instance *inst, uint32_t rctx)
 Find Application Server by given routing context. More...
 
struct osmo_ss7_asosmo_ss7_as_find_by_l_rk_id (struct osmo_ss7_instance *inst, uint32_t l_rk_id)
 Find Application Server by given local routing key ID. More...
 
struct osmo_ss7_asosmo_ss7_as_find_by_proto (struct osmo_ss7_instance *inst, enum osmo_ss7_asp_protocol proto)
 Find Application Server (AS) by given protocol. More...
 
struct osmo_ss7_asosmo_ss7_as_find_or_create (struct osmo_ss7_instance *inst, const char *name, enum osmo_ss7_asp_protocol proto)
 Find or Create Application Server. More...
 
bool ss7_ipv6_sctp_supported (const char *host, bool bind)
 
struct osmo_ss7_asposmo_ss7_asp_find_by_name (struct osmo_ss7_instance *inst, const char *name)
 
struct osmo_ss7_asposmo_ss7_asp_find_by_proto (struct osmo_ss7_as *as, enum osmo_ss7_asp_protocol proto)
 Find an ASP that matches the given ASP protocol (xUA variant). More...
 
struct osmo_ss7_asposmo_ss7_asp_find2 (struct osmo_ss7_instance *inst, const char *name, uint16_t remote_port, uint16_t local_port, int trans_proto, enum osmo_ss7_asp_protocol proto)
 
struct osmo_ss7_asposmo_ss7_asp_find (struct osmo_ss7_instance *inst, const char *name, uint16_t remote_port, uint16_t local_port, enum osmo_ss7_asp_protocol proto)
 
struct osmo_ss7_asposmo_ss7_asp_find_or_create2 (struct osmo_ss7_instance *inst, const char *name, uint16_t remote_port, uint16_t local_port, int trans_proto, enum osmo_ss7_asp_protocol proto)
 
struct osmo_ss7_asposmo_ss7_asp_find_or_create (struct osmo_ss7_instance *inst, const char *name, uint16_t remote_port, uint16_t local_port, enum osmo_ss7_asp_protocol proto)
 
struct osmo_xua_serverosmo_ss7_xua_server_find2 (struct osmo_ss7_instance *inst, int trans_proto, enum osmo_ss7_asp_protocol proto, uint16_t local_port)
 find an xUA server with the given parameters More...
 
struct osmo_xua_serverosmo_ss7_xua_server_find (struct osmo_ss7_instance *inst, enum osmo_ss7_asp_protocol proto, uint16_t local_port)
 find an xUA server with the given parameters More...
 
bool osmo_ss7_pc_is_local (struct osmo_ss7_instance *inst, uint32_t pc)
 
int osmo_ss7_init (void)
 
int osmo_ss7_tmode_to_xua (enum osmo_ss7_as_traffic_mode tmod)
 
enum osmo_ss7_as_traffic_mode osmo_ss7_tmode_from_xua (uint32_t in)
 
bool osmo_ss7_as_tmode_compatible_xua (struct osmo_ss7_as *as, uint32_t m3ua_tmt)
 

Variables

bool ss7_initialized = false
 
static int32_t next_rctx = 1
 
static int32_t next_l_rk_id = 1
 
const struct value_string mtp_unavail_cause_vals []
 
static const struct osmo_ss7_pc_fmt default_pc_fmt
 

Macro Definition Documentation

◆ MAX_PC_STR_LEN

#define MAX_PC_STR_LEN   32

Function Documentation

◆ count_leading_one_bits()

static unsigned int count_leading_one_bits ( uint32_t  inp,
unsigned int  nbits 
)
static

Referenced by u32_masklen().

◆ gen_pc_fmtstr()

static const char* gen_pc_fmtstr ( const struct osmo_ss7_pc_fmt pc_fmt,
unsigned int *  num_comp_exp 
)
static

◆ get_pc_comp_shift()

static unsigned int get_pc_comp_shift ( const struct osmo_ss7_pc_fmt pc_fmt,
unsigned int  comp_num 
)
static

◆ LLIST_HEAD()

LLIST_HEAD ( osmo_ss7_instances  )

◆ num_pc_comp_exp()

static unsigned int num_pc_comp_exp ( const struct osmo_ss7_pc_fmt pc_fmt)
static

◆ osmo_ss7_as_find_by_l_rk_id()

struct osmo_ss7_as* osmo_ss7_as_find_by_l_rk_id ( struct osmo_ss7_instance inst,
uint32_t  l_rk_id 
)

Find Application Server by given local routing key ID.

Parameters
[in]instSS7 Instance on which we operate
[in]l_rk_idLocal Routing Key ID
Returns
pointer to Application Server on success; NULL otherwise

References osmo_ss7_instance::as_list, osmo_ss7_as::cfg, osmo_ss7_routing_key::l_rk_id, osmo_ss7_as::list, osmo_ss7_as::routing_key, and ss7_initialized.

Referenced by handle_reg_conf(), and ss7_find_free_l_rk_id().

◆ osmo_ss7_as_find_by_name()

struct osmo_ss7_as* osmo_ss7_as_find_by_name ( struct osmo_ss7_instance inst,
const char *  name 
)

Find Application Server by given name.

Parameters
[in]instSS7 Instance on which we operate
[in]nameName of AS
Returns
pointer to Application Server on success; NULL otherwise

References osmo_ss7_instance::as_list, osmo_ss7_as::cfg, osmo_ss7_as::list, osmo_ss7_as::name, and ss7_initialized.

Referenced by DEFUN_ATTR(), ipa_asp_fsm_wait_id_resp(), osmo_ss7_as_find_or_create(), and osmo_ss7_route_create().

◆ osmo_ss7_as_find_by_proto()

struct osmo_ss7_as* osmo_ss7_as_find_by_proto ( struct osmo_ss7_instance inst,
enum osmo_ss7_asp_protocol  proto 
)

Find Application Server (AS) by given protocol.

Parameters
[in]instSS7 Instance on which we operate
[in]protoProtocol identifier that must match
Returns
pointer to AS on success; NULL otherwise If an AS has an ASP also matching the given protocol, that AS is preferred. If there are multiple matches, return the first matching AS.

References osmo_ss7_instance::as_list, osmo_ss7_as::cfg, osmo_ss7_as::list, osmo_ss7_asp_find_by_proto(), osmo_ss7_as::proto, and ss7_initialized.

Referenced by osmo_sccp_simple_client_on_ss7_id().

◆ osmo_ss7_as_find_by_rctx()

struct osmo_ss7_as* osmo_ss7_as_find_by_rctx ( struct osmo_ss7_instance inst,
uint32_t  rctx 
)

Find Application Server by given routing context.

Parameters
[in]instSS7 Instance on which we operate
[in]rctxRouting Context
Returns
pointer to Application Server on success; NULL otherwise

References osmo_ss7_instance::as_list, osmo_ss7_as::cfg, osmo_ss7_routing_key::context, osmo_ss7_as::list, osmo_ss7_as::routing_key, and ss7_initialized.

Referenced by handle_rkey_dereg(), handle_rkey_reg(), osmo_ss7_find_free_rctx(), xua_asp_fsm_inactive(), and xua_find_as_for_asp().

◆ osmo_ss7_as_find_or_create()

struct osmo_ss7_as* osmo_ss7_as_find_or_create ( struct osmo_ss7_instance inst,
const char *  name,
enum osmo_ss7_asp_protocol  proto 
)

Find or Create Application Server.

Parameters
[in]instSS7 Instance on which we operate
[in]nameName of Application Server
[in]protoProtocol of Application Server
Returns
pointer to Application Server on success; NULL otherwise

References osmo_ss7_as::cfg, LOGPAS, osmo_ss7_as_find_by_name(), osmo_ss7_as::proto, ss7_as_alloc(), and ss7_initialized.

Referenced by DEFUN_ATTR(), handle_rkey_reg(), osmo_sccp_simple_client_on_ss7_id(), and osmo_sccp_simple_server_add_clnt().

◆ osmo_ss7_as_tmode_compatible_xua()

◆ osmo_ss7_asp_find()

struct osmo_ss7_asp* osmo_ss7_asp_find ( struct osmo_ss7_instance inst,
const char *  name,
uint16_t  remote_port,
uint16_t  local_port,
enum osmo_ss7_asp_protocol  proto 
)

◆ osmo_ss7_asp_find2()

struct osmo_ss7_asp* osmo_ss7_asp_find2 ( struct osmo_ss7_instance inst,
const char *  name,
uint16_t  remote_port,
uint16_t  local_port,
int  trans_proto,
enum osmo_ss7_asp_protocol  proto 
)

◆ osmo_ss7_asp_find_by_name()

◆ osmo_ss7_asp_find_by_proto()

struct osmo_ss7_asp* osmo_ss7_asp_find_by_proto ( struct osmo_ss7_as as,
enum osmo_ss7_asp_protocol  proto 
)

Find an ASP that matches the given ASP protocol (xUA variant).

Parameters
[in]asApplication Server in which to look for asp
[in]protoASP protocol (xUA variant) to match
Returns
SS7 ASP in case a matching one is found; NULL otherwise

References osmo_ss7_as::asps, osmo_ss7_as::cfg, osmo_ss7_asp::cfg, and osmo_ss7_asp::proto.

Referenced by osmo_sccp_simple_client_on_ss7_id(), and osmo_ss7_as_find_by_proto().

◆ osmo_ss7_asp_find_or_create()

struct osmo_ss7_asp* osmo_ss7_asp_find_or_create ( struct osmo_ss7_instance inst,
const char *  name,
uint16_t  remote_port,
uint16_t  local_port,
enum osmo_ss7_asp_protocol  proto 
)

◆ osmo_ss7_asp_find_or_create2()

◆ osmo_ss7_ensure_sccp()

struct osmo_sccp_instance* osmo_ss7_ensure_sccp ( struct osmo_ss7_instance inst)

◆ osmo_ss7_find_free_rctx()

int osmo_ss7_find_free_rctx ( struct osmo_ss7_instance inst)

References next_rctx, and osmo_ss7_as_find_by_rctx().

Referenced by handle_rkey_reg().

◆ osmo_ss7_init()

int osmo_ss7_init ( void  )

◆ osmo_ss7_instance_destroy()

◆ osmo_ss7_instance_find()

struct osmo_ss7_instance* osmo_ss7_instance_find ( uint32_t  id)

Find a SS7 Instance with given ID.

Parameters
[in]idID for which to search
Returns
osmo_ss7_instance on success; NULL on error

References osmo_ss7_instance::cfg, osmo_ss7_instance::id, osmo_ss7_instance::list, osmo_ss7_instances, and ss7_initialized.

Referenced by DEFUN(), osmo_sccp_simple_client_on_ss7_id(), osmo_ss7_instance_find_or_create(), show_asp(), show_asp_assoc_status(), and show_asp_remaddr().

◆ osmo_ss7_instance_find_or_create()

◆ osmo_ss7_instance_set_pc_fmt()

int osmo_ss7_instance_set_pc_fmt ( struct osmo_ss7_instance inst,
uint8_t  c0,
uint8_t  c1,
uint8_t  c2 
)

Set the point code format used in given SS7 instance.

References osmo_ss7_instance::cfg, osmo_ss7_pc_fmt::component_len, LOGSS7, and osmo_ss7_instance::pc_fmt.

◆ osmo_ss7_link_destroy()

void osmo_ss7_link_destroy ( struct osmo_ss7_link link)

◆ osmo_ss7_link_find_or_create()

struct osmo_ss7_link* osmo_ss7_link_find_or_create ( struct osmo_ss7_linkset lset,
uint32_t  id 
)

Find or create SS7 Link with given ID in given Linkset.

Parameters
[in]lsetSS7 Linkset on which we operate
[in]idLink number within Linkset
Returns
pointer to SS7 Link on success; NULL on error

References osmo_ss7_link::cfg, osmo_ss7_linkset::cfg, osmo_ss7_link::id, osmo_ss7_linkset::inst, osmo_ss7_linkset::links, osmo_ss7_link::linkset, LOGSS7, osmo_ss7_linkset::name, and ss7_initialized.

◆ osmo_ss7_linkset_destroy()

◆ osmo_ss7_linkset_find_by_name()

struct osmo_ss7_linkset* osmo_ss7_linkset_find_by_name ( struct osmo_ss7_instance inst,
const char *  name 
)

Find SS7 Linkset by given name.

Parameters
[in]instSS7 Instance in which to look
[in]nameName of SS7 Linkset
Returns
pointer to linkset on success; NULL on error

References osmo_ss7_linkset::cfg, osmo_ss7_instance::linksets, osmo_ss7_linkset::list, osmo_ss7_linkset::name, and ss7_initialized.

Referenced by osmo_ss7_linkset_find_or_create(), and osmo_ss7_route_create().

◆ osmo_ss7_linkset_find_or_create()

struct osmo_ss7_linkset* osmo_ss7_linkset_find_or_create ( struct osmo_ss7_instance inst,
const char *  name,
uint32_t  pc 
)

Find or allocate SS7 Linkset.

Parameters
[in]instSS7 Instance in which we operate
[in]nameName of SS7 Linkset
[in]pcAdjacent Pointcode
Returns
pointer to Linkset on success; NULL on error

References osmo_ss7_linkset::adjacent_pc, osmo_ss7_linkset::cfg, osmo_ss7_linkset::inst, osmo_ss7_instance::linksets, osmo_ss7_linkset::list, LOGSS7, osmo_ss7_linkset::name, osmo_ss7_linkset_find_by_name(), and ss7_initialized.

◆ osmo_ss7_mtp_to_user()

◆ osmo_ss7_pc_is_local()

◆ osmo_ss7_pc_normalize()

uint32_t osmo_ss7_pc_normalize ( const struct osmo_ss7_pc_fmt pc_fmt,
uint32_t  pc 
)

◆ osmo_ss7_pc_width()

◆ osmo_ss7_pointcode_parse()

◆ osmo_ss7_pointcode_parse_mask_or_len()

int osmo_ss7_pointcode_parse_mask_or_len ( struct osmo_ss7_instance inst,
const char *  in 
)

◆ osmo_ss7_pointcode_print()

◆ osmo_ss7_pointcode_print2()

const char* osmo_ss7_pointcode_print2 ( const struct osmo_ss7_instance inst,
uint32_t  pc 
)

◆ osmo_ss7_pointcode_print_buf()

const char* osmo_ss7_pointcode_print_buf ( char *  buf,
size_t  len,
const struct osmo_ss7_instance inst,
uint32_t  pc 
)

◆ osmo_ss7_route_create()

struct osmo_ss7_route* osmo_ss7_route_create ( struct osmo_ss7_route_table rtbl,
uint32_t  pc,
uint32_t  mask,
const char *  linkset_name 
)

Create a new route in the given routing table.

Parameters
[in]rtblRouting Table in which the route is to be created
[in]pcPoint Code of the destination of the route
[in]maskMask of the destination Point Code pc
[in]linkset_namestring name of the linkset to be used
Returns
caller-allocated + initialized route, NULL on error

References osmo_ss7_route::as, osmo_ss7_instance::cfg, osmo_ss7_linkset::cfg, osmo_ss7_route::cfg, osmo_ss7_as::cfg, osmo_ss7_route::dest, osmo_ss7_route_table::inst, osmo_ss7_route::linkset, osmo_ss7_route::linkset_name, LOGSS7, osmo_ss7_route::mask, osmo_ss7_linkset::name, osmo_ss7_as::name, osmo_ss7_as_find_by_name(), osmo_ss7_linkset_find_by_name(), osmo_ss7_pc_normalize(), osmo_ss7_pointcode_print(), osmo_ss7_route_find_dpc_mask(), osmo_ss7_route::pc, osmo_ss7_instance::pc_fmt, route_insert_sorted(), osmo_ss7_route::rtable, and ss7_initialized.

Referenced by _rout_key(), DEFUN_ATTR(), handle_rkey_reg(), ipa_add_route(), osmo_sccp_simple_client_on_ss7_id(), and osmo_sccp_simple_server_add_clnt().

◆ osmo_ss7_route_destroy()

◆ osmo_ss7_route_find_dpc()

struct osmo_ss7_route* osmo_ss7_route_find_dpc ( struct osmo_ss7_route_table rtbl,
uint32_t  dpc 
)

◆ osmo_ss7_route_find_dpc_mask()

◆ osmo_ss7_route_lookup()

struct osmo_ss7_route* osmo_ss7_route_lookup ( struct osmo_ss7_instance inst,
uint32_t  dpc 
)

Find a SS7 route for given destination point code in given SS7.

References osmo_ss7_route_find_dpc(), osmo_ss7_instance::rtable_system, and ss7_initialized.

Referenced by gen_mtp_transfer_req_xua(), hmrt_message_for_routing(), and xua_snm_rx_daud().

◆ osmo_ss7_route_print()

◆ osmo_ss7_route_table_destroy()

void osmo_ss7_route_table_destroy ( struct osmo_ss7_route_table rtbl)

◆ osmo_ss7_route_table_find()

◆ osmo_ss7_route_table_find_or_create()

◆ osmo_ss7_tmode_from_xua()

◆ osmo_ss7_tmode_to_xua()

◆ osmo_ss7_user_register()

int osmo_ss7_user_register ( struct osmo_ss7_instance inst,
uint8_t  service_ind,
struct osmo_ss7_user user 
)

Register a MTP user for a given service indicator.

Parameters
[in]instSS7 instance for which we register the user
[in]service_indService (ISUP, SCCP, ...)
[in]userSS7 user (including primitive call-back)
Returns
0 on success; negative on error

References osmo_ss7_user::inst, osmo_ss7_user::name, osmo_ss7_user::priv, and osmo_ss7_instance::user.

Referenced by osmo_sccp_instance_create().

◆ osmo_ss7_user_unregister()

int osmo_ss7_user_unregister ( struct osmo_ss7_instance inst,
uint8_t  service_ind,
struct osmo_ss7_user user 
)

Unregister a MTP user for a given service indicator.

Parameters
[in]instSS7 instance for which we register the user
[in]service_indService (ISUP, SCCP, ...)
[in]user(optional) SS7 user. If present, we will not unregister other users
Returns
0 on success; negative on error

References osmo_ss7_user::inst, and osmo_ss7_instance::user.

Referenced by osmo_sccp_instance_destroy().

◆ osmo_ss7_xua_server_find()

struct osmo_xua_server* osmo_ss7_xua_server_find ( struct osmo_ss7_instance inst,
enum osmo_ss7_asp_protocol  proto,
uint16_t  local_port 
)

find an xUA server with the given parameters

Parameters
[in]instSS7 Instance on which we operate
[in]protoprotocol (xUA variant) in use
[in]local_portlocal port of the server
Returns
osmo_xua_server or NULL (not found)

References osmo_ss7_xua_server_find2(), ss7_default_trans_proto_for_asp_proto(), and osmo_xua_server::trans_proto.

◆ osmo_ss7_xua_server_find2()

struct osmo_xua_server* osmo_ss7_xua_server_find2 ( struct osmo_ss7_instance inst,
int  trans_proto,
enum osmo_ss7_asp_protocol  proto,
uint16_t  local_port 
)

find an xUA server with the given parameters

Parameters
[in]instSS7 Instance on which we operate
[in]trans_prototransport protocol in use (one of IPPROTO_*)
[in]protoprotocol (xUA variant) in use
[in]local_portlocal port of the server
Returns
osmo_xua_server or NULL (not found)

References osmo_xua_server::cfg, osmo_xua_server::list, osmo_xua_server::local, osmo_ss7_asp_peer::port, osmo_xua_server::proto, ss7_initialized, osmo_xua_server::trans_proto, and osmo_ss7_instance::xua_servers.

Referenced by DEFUN_ATTR(), osmo_sccp_simple_client_on_ss7_id(), osmo_sccp_simple_server_add_clnt(), and osmo_ss7_xua_server_find().

◆ pc_comp_shift_and_mask()

static uint32_t pc_comp_shift_and_mask ( const struct osmo_ss7_pc_fmt pc_fmt,
unsigned int  comp_num,
uint32_t  pc 
)
static

◆ route_insert_sorted()

static void route_insert_sorted ( struct osmo_ss7_route_table rtbl,
struct osmo_ss7_route cmp 
)
static

◆ ss7_find_free_l_rk_id()

uint32_t ss7_find_free_l_rk_id ( struct osmo_ss7_instance inst)

◆ ss7_ipv6_sctp_supported()

bool ss7_ipv6_sctp_supported ( const char *  host,
bool  bind 
)

◆ strnappendchar()

static int strnappendchar ( char *  str,
char  c,
size_t  n 
)
static

Referenced by gen_pc_fmtstr().

◆ u32_masklen()

static int u32_masklen ( uint32_t  mask,
unsigned int  nbits 
)
static

Variable Documentation

◆ default_pc_fmt

const struct osmo_ss7_pc_fmt default_pc_fmt
static
Initial value:
= {
.delimiter = '.',
.component_len = { 3, 8, 3},
}

Referenced by osmo_ss7_pointcode_parse(), and osmo_ss7_pointcode_print_buf().

◆ mtp_unavail_cause_vals

const struct value_string mtp_unavail_cause_vals[]
Initial value:
= {
{ MTP_UNAVAIL_C_UNKNOWN, "unknown" },
{ MTP_UNAVAIL_C_UNEQUIP_REM_USER, "unequipped-remote-user" },
{ MTP_UNAVAIL_C_INACC_REM_USER, "inaccessible-remote-user" },
{ 0, NULL }
}
Definition: mtp.h:29
Definition: mtp.h:30
Definition: mtp.h:31

Referenced by mtp_unavail_cause_str().

◆ next_l_rk_id

int32_t next_l_rk_id = 1
static

Referenced by ss7_find_free_l_rk_id().

◆ next_rctx

int32_t next_rctx = 1
static

Referenced by osmo_ss7_find_free_rctx().

◆ ss7_initialized