ss7_as_loadshare_tcap.c File Reference

#include <errno.h>
#include <osmocom/core/byteswap.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/talloc.h>
#include <osmocom/netif/ipa.h>
#include <osmocom/sccp/sccp_types.h>
#include <osmocom/sigtran/osmo_ss7.h>
#include <osmocom/sigtran/protocol/m3ua.h>
#include <osmocom/sigtran/protocol/sua.h>
#include <osmocom/sigtran/protocol/mtp.h>
#include <osmocom/sigtran/sccp_sap.h>
#include <osmocom/tcap/OCTET_STRING.h>
#include <osmocom/tcap/TCAP_TCMessage.h>
#include "ss7_as.h"
#include "ss7_as_loadshare_tcap.h"
#include "tcap_transaction_tracking.h"
#include "ss7_asp.h"
#include "ss7_internal.h"
#include "xua_internal.h"

Data Structures
struct	tcap_parsed
struct	ipa_tcap_routing_hdr
struct	ipa_tcap_routing_add_range
struct	ipa_tcap_routing_nack

Macros
#define	OTID_SET   1 << 0
#define	DTID_SET   1 << 1

Enumerations
enum	ipa_tcap_routing_msg_types { MT_TID_ADD_RANGE = 0x01 , MT_TID_ACK = 0x02 , MT_TID_NACK = 0x03 }
enum	ipa_tcap_routing_nack_error { NACK_ERR_SYS_FAILURE = 0x01 , NACK_ERR_EALREADY = 0x72 }

Functions
static uint32_t	tcap_id_from_octet_str (const OCTET_STRING_t *src)
static int	parse_tcap (struct osmo_ss7_as *as, const uint8_t *data, size_t len, struct tcap_parsed *ids)
static uint32_t	tcap_gen_hash (uint32_t pc, uint8_t ssn)
static uint64_t	tcap_gen_hash_addr (const struct osmo_sccp_addr *addr)
static struct osmo_ss7_asp *	tcap_hlist_get (struct osmo_ss7_as *as, uint32_t pc, uint8_t ssn, uint32_t tid)
struct osmo_ss7_asp *	find_asp_by_tcap_id (struct osmo_ss7_as *as, struct osmo_sccp_addr *calling_addr, struct osmo_sccp_addr *called_addr, uint32_t otid)
static struct tcap_range *	tcap_overlap_tid (struct osmo_ss7_as *as, uint32_t pc, uint8_t ssn, uint32_t tid_start, uint32_t tid_end)
static struct osmo_ss7_asp *	find_asp_no_tcap_range (struct osmo_ss7_as *as)
static bool	ssn_contains_tcap (uint8_t ssn)
int	ss7_asp_tcap_rx_sccp (struct osmo_ss7_as *as, struct osmo_ss7_asp *asp, uint32_t opc, uint32_t dpc, struct msgb *sccp_msg)
	Traffic from the TCAP ASP -> AS -> osmo-stp, only used to update transaction tracking.
static int	sent_back_utds (struct osmo_ss7_as *as, const struct xua_msg *old_xua, const struct xua_msg *old_sua, uint8_t cause_code)
static int	asp_loadshare_tcap_sccp (struct osmo_ss7_asp **rasp, struct osmo_ss7_as *as, uint32_t opc, uint32_t dpc, struct xua_msg *xua, struct msgb *sccp_msg)
	Traffic STP -> AS -> ASP (Tx path) Loadshare towards the TCAP routing AS.
int	ss7_as_select_asp_loadshare_tcap (struct osmo_ss7_asp **asp, struct osmo_ss7_as *as, struct xua_msg *xua)
	Entrypoint for M3UA messages towards the TCAP nodes.
struct ipa_tcap_routing_hdr	__attribute__ ((packed))
static struct msgb *	ipa_tcap_routing_alloc (uint32_t seq_nr, uint8_t mt)
static int	ipa_tx_tcap_routing_ack (struct osmo_ss7_asp *asp, uint32_t seq_nr)
static int	ipa_tx_tcap_routing_nack (struct osmo_ss7_asp *asp, uint32_t seq_nr, uint8_t err_code)
int	ipa_rx_msg_osmo_ext_tcap_routing (struct osmo_ss7_asp *asp, struct msgb *msg)
	Entrypoint for IPA TCAP Routing messages, parses and handles those.
bool	tcap_range_matches (const struct tcap_range *tcrng, uint32_t tid)
	Checks if a tid matches to a specific range.
bool	tcap_range_overlaps (const struct tcap_range *a, uint32_t tid_start, uint32_t tid_end)
	Checks if a tid rnage overlaps with another range.
struct tcap_range *	tcap_range_alloc (struct osmo_ss7_as *as, struct osmo_ss7_asp *asp, uint32_t tid_start, uint32_t tid_end, uint32_t pc, uint8_t ssn)
	Create and alloc a new TCAP range entry.
void	tcap_range_free (struct tcap_range *tcrng)
	Remove and free a single TCAP range entry.
static void	tcap_range_as_update_pc_ssn (struct osmo_ss7_as *as)
static void	_tcap_range_asp_down (struct osmo_ss7_as *as, struct osmo_ss7_asp *asp)
void	tcap_asp_down (struct osmo_ss7_asp *asp)
	Called when the ASP is going down or free'd.
void	tcap_enable (struct osmo_ss7_as *as)
void	tcap_disable (struct osmo_ss7_as *as)

Variables
uint8_t	mt
uint32_t	seq
uint8_t	data [0]
uint32_t	tid_start
uint32_t	tid_end
uint32_t	pc
uint8_t	ssn
uint8_t	err

Macro Definition Documentation

DTID_SET

#define DTID_SET   1 << 1

OTID_SET

#define OTID_SET   1 << 0

Enumeration Type Documentation

ipa_tcap_routing_msg_types

enum ipa_tcap_routing_msg_types

Enumerator
MT_TID_ADD_RANGE
MT_TID_ACK
MT_TID_NACK

ipa_tcap_routing_nack_error

enum ipa_tcap_routing_nack_error

Enumerator
NACK_ERR_SYS_FAILURE
NACK_ERR_EALREADY

Function Documentation

__attribute__()

struct ipa_tcap_routing_hdr __attribute__

(

(packed)

)

References asp_loadshare_tcap_sccp(), xua_msg_part::dat, data_hdr_from_m3ua(), m3ua_data_hdr::dpc, xua_msg::hdr, xua_msg_part::len, LOGPAS, M3UA_IEI_PROT_DATA, M3UA_MSGC_XFER, M3UA_XFER_DATA, xua_common_hdr::msg_class, xua_common_hdr::msg_type, MTP_SI_SCCP, NULL, m3ua_data_hdr::opc, m3ua_data_hdr::si, and xua_msg_find_tag().

_tcap_range_asp_down()

static void _tcap_range_asp_down ( struct osmo_ss7_as *  as, struct osmo_ss7_asp *  asp  )

static

References osmo_ss7_as::tcap, tcap_range_free(), and tcap_trxn_track_free_asp_entries().

Referenced by tcap_asp_down().

asp_loadshare_tcap_sccp()

static int asp_loadshare_tcap_sccp ( struct osmo_ss7_asp **  rasp, struct osmo_ss7_as *  as, uint32_t  opc, uint32_t  dpc, struct xua_msg *  xua, struct msgb *  sccp_msg  )

static

Traffic STP -> AS -> ASP (Tx path) Loadshare towards the TCAP routing AS.

Parameters

[out]	rasp	the selected ASP if any, can be NULL
[in]	as
[in]	opc	the OPC from MTP
[in]	dpc	the DPC from MTP
[in]	sccp_msg	the SCCP message. Callee takes ownership.

Returns

References xua_msg_part::dat, dpc, tcap_parsed::dtid, DTID_SET, find_asp_by_tcap_id(), find_asp_no_tcap_range(), xua_msg::hdr, xua_msg_part::len, LOGPAS, xua_common_hdr::msg_class, NULL, opc, OSMO_SCCP_ADDR_T_PC, OSMO_SCCP_ADDR_T_SSN, osmo_sccp_to_xua(), tcap_parsed::otid, OTID_SET, parse_tcap(), osmo_sccp_addr::pc, osmo_sccp_addr::presence, tcap_parsed::present, sent_back_utds(), osmo_sccp_addr::ssn, ssn_contains_tcap(), sua_addr_parse(), SUA_CL_CLDT, SUA_IEI_DATA, SUA_IEI_DEST_ADDR, SUA_IEI_SRC_ADDR, SUA_MSGC_CL, tcap_trxn_track_begin(), tcap_trxn_track_continue(), tcap_trxn_track_end(), xua_msg_find_tag(), and xua_msg_free().

Referenced by __attribute__().

find_asp_by_tcap_id()

struct osmo_ss7_asp * find_asp_by_tcap_id	(	struct osmo_ss7_as *	as,
		struct osmo_sccp_addr *	calling_addr,
		struct osmo_sccp_addr *	called_addr,
		uint32_t	otid
	)

References osmo_ss7_as::contains_pc, osmo_ss7_as::contains_ssn, NULL, OSMO_SCCP_ADDR_T_PC, OSMO_SCCP_ADDR_T_SSN, osmo_sccp_addr::pc, pc, osmo_sccp_addr::presence, osmo_sccp_addr::ssn, ssn, osmo_ss7_as::tcap, tcap_hlist_get(), TCAP_PC_WILDCARD, and TCAP_SSN_WILDCARD.

Referenced by asp_loadshare_tcap_sccp().

find_asp_no_tcap_range()

static struct osmo_ss7_asp * find_asp_no_tcap_range ( struct osmo_ss7_as *  as )

static

References osmo_ss7_as::asps, osmo_ss7_as::cfg, osmo_ss7_asp::enabled, NULL, and osmo_ss7_asp::tcap.

Referenced by asp_loadshare_tcap_sccp().

ipa_rx_msg_osmo_ext_tcap_routing()

int ipa_rx_msg_osmo_ext_tcap_routing	(	struct osmo_ss7_asp *	asp,
		struct msgb *	msg
	)

Entrypoint for IPA TCAP Routing messages, parses and handles those.

Parameters

asp
msg	the message buffer. Callee takes ownership!

Returns

0 on success

References osmo_ss7_as::contains_pc, osmo_ss7_as::contains_ssn, osmo_ss7_asp::enabled, ipa_find_as_for_asp(), ipa_tx_tcap_routing_ack(), ipa_tx_tcap_routing_nack(), LOGPASP, ipa_tcap_routing_hdr::mt, MT_TID_ACK, MT_TID_ADD_RANGE, MT_TID_NACK, NACK_ERR_EALREADY, NACK_ERR_SYS_FAILURE, ipa_tcap_routing_add_range::pc, ipa_tcap_routing_hdr::seq, ipa_tcap_routing_add_range::ssn, osmo_ss7_as::tcap, osmo_ss7_asp::tcap, tcap_overlap_tid(), TCAP_PC_WILDCARD, tcap_range_alloc(), TCAP_SSN_WILDCARD, ipa_tcap_routing_add_range::tid_end, and ipa_tcap_routing_add_range::tid_start.

Referenced by ipa_rx_msg().

ipa_tcap_routing_alloc()

static struct msgb * ipa_tcap_routing_alloc ( uint32_t  seq_nr, uint8_t  mt  )

static

References mt, ipa_tcap_routing_hdr::mt, and NULL.

Referenced by ipa_tx_tcap_routing_ack(), and ipa_tx_tcap_routing_nack().

ipa_tx_tcap_routing_ack()

static int ipa_tx_tcap_routing_ack ( struct osmo_ss7_asp *  asp, uint32_t  seq_nr  )

static

References ipa_tcap_routing_alloc(), MT_TID_ACK, and osmo_ss7_asp_send().

Referenced by ipa_rx_msg_osmo_ext_tcap_routing().

ipa_tx_tcap_routing_nack()

static int ipa_tx_tcap_routing_nack ( struct osmo_ss7_asp *  asp, uint32_t  seq_nr, uint8_t  err_code  )

static

References ipa_tcap_routing_alloc(), MT_TID_NACK, and osmo_ss7_asp_send().

Referenced by ipa_rx_msg_osmo_ext_tcap_routing().

parse_tcap()

static int parse_tcap ( struct osmo_ss7_as *  as, const uint8_t *  data, size_t  len, struct tcap_parsed *  ids  )

static

References data, tcap_parsed::dtid, DTID_SET, len, LOGPAS, tcap_parsed::otid, OTID_SET, tcap_parsed::present, and tcap_id_from_octet_str().

Referenced by asp_loadshare_tcap_sccp(), and ss7_asp_tcap_rx_sccp().

sent_back_utds()

static int sent_back_utds ( struct osmo_ss7_as *  as, const struct xua_msg *  old_xua, const struct xua_msg *  old_sua, uint8_t  cause_code  )

static

References data_hdr_from_m3ua(), osmo_mtp_transfer_param::dpc, m3ua_data_hdr::dpc, xua_msg::hdr, osmo_ss7_as::inst, m3ua_hmdc_rx_from_l2(), m3ua_xfer_from_data(), xua_common_hdr::msg_class, xua_common_hdr::msg_type, xua_msg::mtp, NULL, osmo_mtp_transfer_param::opc, m3ua_data_hdr::opc, osmo_sua_to_sccp(), SUA_CL_CLDR, SUA_CL_CLDT, SUA_IEI_CAUSE, SUA_IEI_DATA, SUA_IEI_DEST_ADDR, SUA_IEI_PROTO_CLASS, SUA_IEI_SRC_ADDR, SUA_MSGC_CL, SUA_VERSION, xua_common_hdr::version, XUA_HDR, xua_msg_add_u32(), xua_msg_alloc(), xua_msg_copy_part(), xua_msg_free(), and xua_msg_get_u32p().

Referenced by asp_loadshare_tcap_sccp().

ss7_as_select_asp_loadshare_tcap()

int ss7_as_select_asp_loadshare_tcap	(	struct osmo_ss7_asp **	asp,
		struct osmo_ss7_as *	as,
		struct xua_msg *	xua
	)

Entrypoint for M3UA messages towards the TCAP nodes.

Parameters

[out]	asp	Result pointer of the selected asp. Set to NULL if return code is != 0
[in]	as
[in]	xua

Returns

0 on success

Referenced by ss7_as_select_asp().

ss7_asp_tcap_rx_sccp()

int ss7_asp_tcap_rx_sccp	(	struct osmo_ss7_as *	as,
		struct osmo_ss7_asp *	asp,
		uint32_t	opc,
		uint32_t	dpc,
		struct msgb *	sccp_msg
	)

Traffic from the TCAP ASP -> AS -> osmo-stp, only used to update transaction tracking.

Parameters

as
asp	asp sent the sccp_msg message towards osmo-stp
opc	M3UA opc
dpc	M3UA DPC
sccp_msg	pointer to a msg.

Returns

0 on successful handling, < 0 on error cases (missing IE, decoding errors)

References xua_msg_part::dat, dpc, tcap_parsed::dtid, DTID_SET, xua_msg::hdr, xua_msg_part::len, LOGPAS, xua_common_hdr::msg_class, NULL, opc, OSMO_SCCP_ADDR_T_PC, osmo_sccp_to_xua(), tcap_parsed::otid, OTID_SET, parse_tcap(), osmo_sccp_addr::pc, osmo_sccp_addr::presence, tcap_parsed::present, osmo_sccp_addr::ssn, ssn_contains_tcap(), sua_addr_parse(), SUA_CL_CLDT, SUA_IEI_DATA, SUA_IEI_DEST_ADDR, SUA_IEI_SRC_ADDR, SUA_MSGC_CL, tcap_trxn_track_continue(), tcap_trxn_track_create_entry(), tcap_trxn_track_end(), and xua_msg_find_tag().

Referenced by ipa_rx_msg_sccp().

ssn_contains_tcap()

static bool ssn_contains_tcap ( uint8_t  ssn )

static

References OSMO_SCCP_SSN_AUC, OSMO_SCCP_SSN_CAP, OSMO_SCCP_SSN_EIR, OSMO_SCCP_SSN_GGSN_MAP, OSMO_SCCP_SSN_GMLC_MAP, OSMO_SCCP_SSN_gsmSCF_MAP, OSMO_SCCP_SSN_HLR, OSMO_SCCP_SSN_MAP, OSMO_SCCP_SSN_MSC, OSMO_SCCP_SSN_SGSN_MAP, OSMO_SCCP_SSN_SIWF_MAP, OSMO_SCCP_SSN_TC_TEST, OSMO_SCCP_SSN_VLR, and ssn.

Referenced by asp_loadshare_tcap_sccp(), and ss7_asp_tcap_rx_sccp().

tcap_asp_down()

void tcap_asp_down

(

struct osmo_ss7_asp *

asp

)

Called when the ASP is going down or free'd.

Parameters

[in]

asp

the asp which is going to be destroyed

References _tcap_range_asp_down(), osmo_ss7_instance::as_list, osmo_ss7_as::cfg, osmo_ss7_as::contains_pc, osmo_ss7_as::contains_ssn, osmo_ss7_as::enabled, osmo_ss7_asp::enabled, osmo_ss7_as::inst, osmo_ss7_asp::inst, osmo_ss7_as::list, osmo_ss7_as::loadshare, LOGPASP, osmo_ss7_as_has_asp(), osmo_ss7_as::tcap, osmo_ss7_asp::tcap, and tcap_range_as_update_pc_ssn().

Referenced by osmo_ss7_as_del_asp(), ss7_asp_xua_srv_conn_closed_cb(), and xua_cli_close().

tcap_disable()

void tcap_disable

(

struct osmo_ss7_as *

as

)

References osmo_ss7_as::cfg, osmo_ss7_as::contains_pc, osmo_ss7_as::contains_ssn, osmo_ss7_as::enabled, osmo_ss7_as::loadshare, osmo_ss7_as::tcap, tcap_trxn_track_free_all_entries(), and tcap_trxn_track_garbage_collect_stop().

Referenced by DEFUN_USRATTR(), DEFUN_USRATTR(), DEFUN_USRATTR(), and osmo_ss7_as_destroy().

tcap_enable()

void tcap_enable

(

struct osmo_ss7_as *

as

)

References osmo_ss7_as::cfg, osmo_ss7_as::enabled, osmo_ss7_as::loadshare, osmo_ss7_as::tcap, and tcap_trxn_track_garbage_collect_start().

Referenced by DEFUN_USRATTR().

tcap_gen_hash()

static uint32_t tcap_gen_hash ( uint32_t  pc, uint8_t  ssn  )

inlinestatic

References pc, and ssn.

Referenced by tcap_gen_hash_addr(), tcap_hlist_get(), tcap_overlap_tid(), and tcap_range_alloc().

tcap_gen_hash_addr()

static uint64_t tcap_gen_hash_addr ( const struct osmo_sccp_addr *  addr )

inlinestatic

References OSMO_SCCP_ADDR_T_PC, OSMO_SCCP_ADDR_T_SSN, osmo_sccp_addr::pc, pc, osmo_sccp_addr::presence, osmo_sccp_addr::ssn, ssn, and tcap_gen_hash().

tcap_hlist_get()

static struct osmo_ss7_asp * tcap_hlist_get ( struct osmo_ss7_as *  as, uint32_t  pc, uint8_t  ssn, uint32_t  tid  )

static

References osmo_ss7_asp::list, NULL, pc, ssn, osmo_ss7_as::tcap, tcap_gen_hash(), and tcap_range_matches().

Referenced by find_asp_by_tcap_id().

tcap_id_from_octet_str()

static uint32_t tcap_id_from_octet_str ( const OCTET_STRING_t *  src )

inlinestatic

Referenced by parse_tcap().

tcap_overlap_tid()

static struct tcap_range * tcap_overlap_tid ( struct osmo_ss7_as *  as, uint32_t  pc, uint8_t  ssn, uint32_t  tid_start, uint32_t  tid_end  )

static

References NULL, pc, ssn, osmo_ss7_as::tcap, tcap_gen_hash(), tcap_range_overlaps(), tid_end, and tid_start.

Referenced by ipa_rx_msg_osmo_ext_tcap_routing().

tcap_range_alloc()

struct tcap_range * tcap_range_alloc	(	struct osmo_ss7_as *	as,
		struct osmo_ss7_asp *	asp,
		uint32_t	tid_start,
		uint32_t	tid_end,
		uint32_t	pc,
		uint8_t	ssn
	)

Create and alloc a new TCAP range entry.

Parameters

[in]	as
[in]	asp
[in]	tid_start
[in]	tid_end
[in]	pc
[in]	ssn

Returns

the TCAP range entry or NULL

References osmo_ss7_as::list, NULL, pc, ssn, osmo_ss7_as::tcap, tcap_gen_hash(), tid_end, and tid_start.

Referenced by ipa_rx_msg_osmo_ext_tcap_routing().

tcap_range_as_update_pc_ssn()

static void tcap_range_as_update_pc_ssn ( struct osmo_ss7_as *  as )

static

References osmo_ss7_as::contains_pc, osmo_ss7_as::contains_ssn, osmo_ss7_as::tcap, TCAP_PC_WILDCARD, and TCAP_SSN_WILDCARD.

Referenced by tcap_asp_down().

tcap_range_free()

void tcap_range_free

(

struct tcap_range *

tcrng

)

Remove and free a single TCAP range entry.

Parameters

[in]

tcrng

Referenced by _tcap_range_asp_down().

tcap_range_matches()

bool tcap_range_matches	(	const struct tcap_range *	tcrng,
		uint32_t	tid
	)

Checks if a tid matches to a specific range.

Parameters

tcrng
tid

Returns

true if tid is included in the range

Referenced by tcap_hlist_get(), and tcap_range_overlaps().

tcap_range_overlaps()

bool tcap_range_overlaps	(	const struct tcap_range *	a,
		uint32_t	tid_start,
		uint32_t	tid_end
	)

Checks if a tid rnage overlaps with another range.

Parameters

a
tid_start
tid_end

Returns

References tcap_range_matches(), tid_end, and tid_start.

Referenced by tcap_overlap_tid().

Variable Documentation

data

uint8_t data

Referenced by conn_tmr_cb(), dispatch_to_all_as(), int_tmr_cb(), ipa_asp_allstate(), ipa_asp_fsm_wait_id_get(), ipa_asp_fsm_wait_id_resp(), lm_active(), lm_rkm_reg(), lm_wait_notify(), load_24be(), m3ua_xfer_from_data(), msgb_put_sccp_opt(), msgb_t16l16vp_put(), osmo_sccp_tx_conn_req(), osmo_sccp_tx_conn_resp(), osmo_sccp_tx_data(), osmo_sccp_tx_disconn_data(), osmo_sccp_tx_unitdata(), osmo_sccp_tx_unitdata_ranap(), parse_tcap(), rel_tmr_cb(), rep_rel_tmr_cb(), rx_inact_tmr_cb(), sccp_longptr_part_consistent(), sccp_ptr_part_consistent(), sccp_to_xua_opt(), scoc_fsm_active(), scoc_fsm_conn_pend_in(), scoc_fsm_conn_pend_out(), scoc_fsm_idle(), scoc_fsm_wait_conn_conf(), sua_parse_gt(), tcap_trxn_track_garbage_collect_cb(), tx_inact_tmr_cb(), xua_as_fsm_active(), xua_as_fsm_inactive(), xua_as_fsm_pending(), xua_asp_allstate(), xua_asp_fsm_active(), xua_asp_fsm_down(), xua_asp_fsm_inactive(), xua_from_msg(), xua_from_msg_common(), and xua_t_ack_cb().

err

uint8_t err

Referenced by _setsockopt_peer_primary_addr(), m3ua_gen_error_msg(), m3ua_rx_msg(), osmo_ss7_pointcode_parse(), sccp_to_xua_err(), sua_rx_msg(), sua_to_sccp_err(), and tcap_trxn_track_create_entry().

mt

uint8_t mt

Referenced by ipa_tcap_routing_alloc().

pc

uint32_t pc

Referenced by _rout_key(), DEFUN(), DEFUN(), DEFUN(), DEFUN_ATTR(), DEFUN_ATTR(), DEFUN_ATTR(), DEFUN_ATTR(), DEFUN_ATTR(), find_asp_by_tcap_id(), format_affected_pcs_c(), gen_hash(), gen_hash_addr(), osmo_sccp_simple_server(), osmo_sccp_simple_server_add_clnt(), osmo_sccp_simple_server_on_ss7_id(), osmo_sccp_user_bind_pc(), osmo_sccp_user_find(), osmo_ss7_pc_is_local(), osmo_ss7_pc_is_valid(), osmo_ss7_pc_normalize(), osmo_ss7_pointcode_print(), osmo_ss7_pointcode_print2(), osmo_ss7_pointcode_print_buf(), pc_comp_shift_and_mask(), sccp_scmg_tx(), sccp_user_alloc(), sccp_user_bind_pc(), sccp_user_find(), ss7_combined_linkset_alloc(), ss7_linkset_find_or_create(), ss7_route_alloc(), ss7_route_create(), ss7_route_table_find_or_create_combined_linkset(), tcap_gen_hash(), tcap_gen_hash_addr(), tcap_hlist_get(), tcap_overlap_tid(), tcap_range_alloc(), tx_daud_pc(), xua_snm_pc_available_to_sccp(), xua_snm_rx_daud(), xua_snm_rx_dava(), xua_snm_rx_duna(), xua_snm_scon_to_sccp(), xua_snm_srm_pc_available(), and xua_snm_srm_pc_available_single().

seq

uint32_t seq

ssn

uint8_t ssn

Referenced by _rout_key(), DEFUN(), find_asp_by_tcap_id(), gen_hash(), gen_hash_addr(), osmo_sccp_addr_set_ssn(), osmo_sccp_local_addr_by_instance(), osmo_sccp_user_bind(), osmo_sccp_user_bind_pc(), osmo_sccp_user_find(), sccp_scmg_rx_ssn_allowed(), sccp_scmg_rx_ssn_prohibited(), sccp_scmg_tx(), sccp_user_alloc(), sccp_user_bind_pc(), sccp_user_find(), ssn_contains_tcap(), sua_encode_daud(), sua_encode_dava(), sua_encode_duna(), sua_tx_snm_congestion(), tcap_gen_hash(), tcap_gen_hash_addr(), tcap_hlist_get(), tcap_overlap_tid(), tcap_range_alloc(), xua_snm_rx_dava(), and xua_snm_rx_duna().

tid_end

uint32_t tid_end

Referenced by tcap_overlap_tid(), tcap_range_alloc(), and tcap_range_overlaps().

tid_start

uint32_t tid_start

Referenced by tcap_overlap_tid(), tcap_range_alloc(), and tcap_range_overlaps().