tcap_as_loadshare.c File Reference

#include <errno.h>
#include <osmocom/core/bit32gen.h>
#include <osmocom/core/byteswap.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/rate_ctr.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 <osmocom/tcap/tcap.h>
#include "mtp3_hmrt.h"
#include "ss7_as.h"
#include "sccp_internal.h"
#include "ss7_asp.h"
#include "ss7_internal.h"
#include "ss7_vty.h"
#include "tcap_as_loadshare.h"
#include "tcap_trans_tracking.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 int	tcap_id_from_octet_str (uint32_t *tid, 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 (const struct osmo_ss7_as *as, uint32_t pc, uint8_t ssn, uint32_t tid)
struct osmo_ss7_asp *	tcap_as_asp_find_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 *	select_asp_tcap_enabled_rr (struct osmo_ss7_as *as)
static bool	ssn_contains_tcap (uint8_t ssn)
int	tcap_as_rx_sccp_asp (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	send_back_udts (struct osmo_ss7_as *as, const struct osmo_mtp_transfer_param *orig_mtp, const struct xua_msg *orig_sua, uint8_t cause_code)
	Send UDTS to indicate that the originating UDT could not be delivered to its destination.
static int	asp_loadshare_tcap_route_fallback (struct osmo_ss7_as *as, const struct osmo_mtp_transfer_param *orig_mtp, const struct msgb *sccp_msg)
	When a TCAP message can't be routed by TID or session cache and unroutable_tcap_msg == SS7_AS_TCPA_UNROUTABLE_ROUTE_FALLBACK, route to a different DPC.
static int	asp_loadshare_tcap_handle_unroutable (struct osmo_ss7_asp **rasp, struct osmo_ss7_as *as, const struct osmo_mtp_transfer_param *mtp, const struct msgb *sccp_msg)
	When a TCAP MSU from an ongoing session (TCAP != Begin) could not be routed either by the TCAP session tracking or by the TID range, such messages will be passed to this function.
static int	asp_loadshare_tcap_sccp (struct osmo_ss7_asp **rasp, struct osmo_ss7_as *as, const struct osmo_mtp_transfer_param *mtp, struct msgb *sccp_msg)
	Traffic STP -> AS -> ASP (Tx path) Loadshare towards the TCAP routing AS.
int	tcap_as_select_asp_loadshare (struct osmo_ss7_asp **asp, struct osmo_ss7_as *as, const 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.
static void	tcap_range_as_update_pc_ssn (struct osmo_ss7_as *as)
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.
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.
static void	_tcap_range_asp_down (struct osmo_ss7_as *as, struct osmo_ss7_asp *asp)
void	tcap_as_del_asp (struct osmo_ss7_as *as, struct osmo_ss7_asp *asp)
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

Referenced by asp_loadshare_tcap_sccp(), parse_tcap(), and tcap_as_rx_sccp_asp().

OTID_SET

#define OTID_SET   1 << 0

Referenced by asp_loadshare_tcap_sccp(), parse_tcap(), and tcap_as_rx_sccp_asp().

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, 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, xua_msg::mtp, MTP_SI_SCCP, NULL, osmo_mtp_transfer_param::sio, and xua_msg_find_tag().

_tcap_range_asp_down()

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

static

References tcap_range::asp, tcap_range_free(), and tcap_trans_track_entries_free_by_asp().

Referenced by tcap_as_del_asp().

asp_loadshare_tcap_handle_unroutable()

int asp_loadshare_tcap_handle_unroutable ( struct osmo_ss7_asp ** rasp, struct osmo_ss7_as * as, const struct osmo_mtp_transfer_param * mtp, const struct msgb * sccp_msg )

static

When a TCAP MSU from an ongoing session (TCAP != Begin) could not be routed either by the TCAP session tracking or by the TID range, such messages will be passed to this function.

Parameters

[out]	rasp	the new ASP where the TCAP MSU should be send out (can be NULL)
[in]	as	the AS to which this MSU was routed to
[in]	mtp
[in]	sccp_msg

Returns

0 on success and asp is set, < 0 on error, > 0 when message is routed elsewhere

References asp_loadshare_tcap_route_fallback(), osmo_ss7_as::cfg, osmo_ss7_as::loadshare, NULL, select_asp_tcap_enabled_rr(), SS7_AS_TCAP_UNROUTABLE_LOAD_SHARE_AS, SS7_AS_TCAP_UNROUTABLE_REJECT_UDTS, and SS7_AS_TCAP_UNROUTABLE_ROUTE_FALLBACK.

Referenced by asp_loadshare_tcap_sccp().

asp_loadshare_tcap_route_fallback()

int asp_loadshare_tcap_route_fallback ( struct osmo_ss7_as * as, const struct osmo_mtp_transfer_param * orig_mtp, const struct msgb * sccp_msg )

static

When a TCAP message can't be routed by TID or session cache and unroutable_tcap_msg == SS7_AS_TCPA_UNROUTABLE_ROUTE_FALLBACK, route to a different DPC.

Parameters

[in]	as
[in]	mtp	MTP routing information
[in]	sccp_msg	the SCCP message.

Returns

0 on success or -ENOKEY

References osmo_ss7_as::cfg, osmo_mtp_transfer_param::dpc, osmo_ss7_as::inst, osmo_ss7_as::loadshare, and mtp3_hmrt_mtp_xfer_request_l4_to_l3().

Referenced by asp_loadshare_tcap_handle_unroutable().

asp_loadshare_tcap_sccp()

int asp_loadshare_tcap_sccp ( struct osmo_ss7_asp ** rasp, struct osmo_ss7_as * as, const struct osmo_mtp_transfer_param * mtp, 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]	mtp	MTP routing information
[in]	sccp_msg	the SCCP message. Callee takes ownership.

Returns

0: on succcess (msg handled by the callee), -EPROTONOSUPPORT: let caller (regular loadsharing) handle those.

References tcap_trans_track_entry::asp, asp_loadshare_tcap_handle_unroutable(), osmo_ss7_as::ctrg, xua_msg_part::dat, tcap_parsed::dtid, DTID_SET, xua_msg::hdr, xua_msg_part::len, LOGPAS, xua_common_hdr::msg_class, xua_common_hdr::msg_type, NULL, OSMO_SCCP_ADDR_T_SSN, osmo_sccp_to_xua(), tcap_parsed::otid, OTID_SET, parse_tcap(), osmo_sccp_addr::presence, tcap_parsed::present, select_asp_tcap_enabled_rr(), send_back_udts(), osmo_sccp_addr::ssn, ssn_contains_tcap(), sua_addr_parse(), SUA_CL_CLDR, SUA_IEI_DATA, SUA_IEI_DEST_ADDR, SUA_IEI_SRC_ADDR, SUA_MSGC_CL, tcap_as_asp_find_by_tcap_id(), tcap_trans_track_begin(), tcap_trans_track_continue(), tcap_trans_track_end(), tcap_trans_track_entry_create(), tcap_trans_track_entry_find(), xua_msg_find_tag(), and xua_msg_free().

Referenced by __attribute__().

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. It is kept owned by the caller.

Returns

0 on success

References tcap_range::asp, osmo_ss7_as::cfg, osmo_ss7_asp::cfg, cs7_role, CS7_ROLE_SG, ipa_tx_tcap_routing_ack(), ipa_tx_tcap_routing_nack(), osmo_ss7_as::loadshare, LOGPASP, osmo_ss7_as::mode, ipa_tcap_routing_hdr::mt, MT_TID_ACK, MT_TID_ADD_RANGE, MT_TID_NACK, NACK_ERR_EALREADY, NACK_ERR_SYS_FAILURE, osmo_ss7_as::name, osmo_ss7_asp::name, OSMO_SS7_AS_TMOD_LOADSHARE, osmo_ss7_as_traffic_mode_name(), ipa_tcap_routing_add_range::pc, ipa_tcap_routing_hdr::seq, ss7_asp_get_first_as(), ipa_tcap_routing_add_range::ssn, tcap_overlap_tid(), TCAP_PC_WILDCARD, tcap_range_alloc(), TCAP_SSN_WILDCARD, ipa_tcap_routing_add_range::tid_end, tcap_range::tid_end, ipa_tcap_routing_add_range::tid_start, and tcap_range::tid_start.

Referenced by ipa_rx_msg().

ipa_tcap_routing_alloc()

struct msgb * ipa_tcap_routing_alloc ( uint32_t seq_nr, uint8_t mt )

static

References mt, and NULL.

Referenced by ipa_tx_tcap_routing_ack(), and ipa_tx_tcap_routing_nack().

ipa_tx_tcap_routing_ack()

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()

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()

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 tcap_as_rx_sccp_asp().

select_asp_tcap_enabled_rr()

struct osmo_ss7_asp * select_asp_tcap_enabled_rr ( struct osmo_ss7_as * as )

static

References ss7_as_asp_assoc::as, ss7_as_asp_assoc::asp, osmo_ss7_as::last_asp_idx_sent, NULL, osmo_ss7_as::num_assoc_asps, osmo_ss7_asp_active(), and ss7_as_asp_assoc_llist_round_robin.

Referenced by asp_loadshare_tcap_handle_unroutable(), and asp_loadshare_tcap_sccp().

send_back_udts()

int send_back_udts ( struct osmo_ss7_as * as, const struct osmo_mtp_transfer_param * orig_mtp, const struct xua_msg * orig_sua, uint8_t cause_code )

static

Send UDTS to indicate that the originating UDT could not be delivered to its destination.

Parameters

as
orig_mtp	MTP routing information of the originating message (message that could not be delivered)
orig_sua	Originating message that could not be delivered
cause_code	the return cause of the UDTS

Returns

0 on success, negative on error

References osmo_mtp_transfer_param::dpc, osmo_ss7_as::inst, LOGPAS, mtp3_hmrt_mtp_xfer_request_l4_to_l3(), osmo_mtp_transfer_param::opc, osmo_sua_to_sccp(), sua_gen_cldr(), SUA_IEI_PROTO_CLASS, SUA_IEI_ROUTE_CTX, xua_dialect_sua, xua_msg_dump(), xua_msg_find_tag(), xua_msg_free(), xua_msg_get_u32p(), and xua_msg_part_get_u32().

Referenced by asp_loadshare_tcap_sccp().

ssn_contains_tcap()

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 tcap_as_rx_sccp_asp().

tcap_as_asp_find_by_tcap_id()

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

References 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, tcap_hlist_get(), TCAP_PC_WILDCARD, and TCAP_SSN_WILDCARD.

Referenced by asp_loadshare_tcap_sccp().

tcap_as_del_asp()

void tcap_as_del_asp	(	struct osmo_ss7_as *	as,
		struct osmo_ss7_asp *	asp )

References _tcap_range_asp_down(), osmo_ss7_as::last_asp_idx_sent, ss7_as_del_asp_update_llist_round_robin(), and tcap_range_as_update_pc_ssn().

Referenced by common_asp_fsm_down_onenter(), and ss7_as_del_asp().

tcap_as_rx_sccp_asp()

int tcap_as_rx_sccp_asp	(	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 (TCAP fully processed, non-TCAP ignored), < 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_to_xua(), tcap_parsed::otid, OTID_SET, parse_tcap(), 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_trans_track_begin(), tcap_trans_track_continue(), tcap_trans_track_end(), xua_msg_find_tag(), and xua_msg_free().

Referenced by ipa_rx_msg_up().

tcap_as_select_asp_loadshare()

int tcap_as_select_asp_loadshare	(	struct osmo_ss7_asp **	asp,
		struct osmo_ss7_as *	as,
		const 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 succcess (msg handled by the callee), -EPROTONOSUPPORT: let caller (regular loadsharing) handle those.

Referenced by ss7_as_select_asp().

tcap_disable()

void tcap_disable

(

struct osmo_ss7_as *

as

)

References osmo_ss7_as::cfg, osmo_ss7_as::last_asp_idx_sent, osmo_ss7_as::loadshare, NULL, tcap_trans_track_entries_free_all(), and tcap_trans_track_garbage_collect_stop().

Referenced by osmo_ss7_as_destroy().

tcap_enable()

void tcap_enable

(

struct osmo_ss7_as *

as

)

References osmo_ss7_as::cfg, osmo_ss7_as::loadshare, and tcap_trans_track_garbage_collect_start().

tcap_gen_hash()

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()

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()

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

static

References tcap_range::asp, osmo_ss7_asp::list, NULL, pc, tcap_range::pc, ssn, tcap_range::ssn, tcap_gen_hash(), and tcap_range_matches().

Referenced by tcap_as_asp_find_by_tcap_id().

tcap_id_from_octet_str()

int tcap_id_from_octet_str ( uint32_t * tid, const OCTET_STRING_t * src )

static

References load_24be().

Referenced by parse_tcap().

tcap_overlap_tid()

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 tcap_range::list, NULL, pc, tcap_range::pc, ssn, tcap_range::ssn, 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 tcap_range::asp, tcap_range::list, NULL, pc, tcap_range::pc, ssn, tcap_range::ssn, tcap_gen_hash(), tcap_range::tid_end, tid_end, tcap_range::tid_start, and tid_start.

Referenced by ipa_rx_msg_osmo_ext_tcap_routing().

tcap_range_as_update_pc_ssn()

void tcap_range_as_update_pc_ssn ( struct osmo_ss7_as * as )

static

References tcap_range::pc, tcap_range::ssn, TCAP_PC_WILDCARD, and TCAP_SSN_WILDCARD.

Referenced by tcap_as_del_asp().

tcap_range_free()

void tcap_range_free

(

struct tcap_range *

tcrng

)

Remove and free a single TCAP range entry.

Parameters

[in]

tcrng

References tcap_range::list.

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

References tcap_range::tid_end, and tcap_range::tid_start.

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(), tcap_range::tid_end, tid_end, tcap_range::tid_start, 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_active(), ipa_asp_fsm_down(), ipa_asp_fsm_inactive(), ipa_asp_fsm_wait_id_ack(), ipa_asp_fsm_wait_id_ack2(), ipa_asp_fsm_wait_id_get(), ipa_asp_fsm_wait_id_resp(), lm_active(), lm_allstate(), lm_idle(), lm_inactive(), lm_rkm_reg(), lm_wait_asp_up(), 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_disconn_pend(), scoc_fsm_idle(), scoc_fsm_wait_conn_conf(), sua_parse_gt(), tcap_trans_track_garbage_collect_cb(), tx_inact_tmr_cb(), xua_as_fsm_active(), xua_as_fsm_down(), 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_trans_track_entry_create().

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(), format_affected_pcs_c(), gen_hash(), gen_hash_addr(), mtp_pause_ind_up_to_all_users(), mtp_prim_pause_ind_alloc(), mtp_prim_resume_ind_alloc(), mtp_resume_ind_up_to_all_users(), osmo_sccp_make_addr_pc_ssn(), 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_combined_linkset_find_or_create(), ss7_linkset_find_or_create(), ss7_route_alloc(), ss7_route_create(), ss7_route_table_find_or_create_combined_linkset(), tcap_as_asp_find_by_tcap_id(), tcap_gen_hash(), tcap_gen_hash_addr(), tcap_hlist_get(), tcap_overlap_tid(), tcap_range_alloc(), tx_daud_pc(), xua_snm_pc_available_to_mtp_users(), xua_snm_rx_daud(), xua_snm_rx_dava(), xua_snm_rx_duna(), xua_snm_scon_to_mtp_users(), 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(), gen_hash(), gen_hash_addr(), osmo_sccp_addr_set_ssn(), osmo_sccp_local_addr_by_instance(), osmo_sccp_make_addr_pc_ssn(), 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_as_asp_find_by_tcap_id(), 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 DEFUN(), tcap_overlap_tid(), tcap_range_alloc(), and tcap_range_overlaps().