libosmo-sccp - SCCP Library

Age	Commit message (Collapse)	Author	Files	Lines
2023-02-18	sccp_scmg: ignore PCSTATE.indication	Neels Hofmeyr	1	-0/+3
	Silence the error log for PCSTATE.indication prims. When running the HNBGW_Tests.ttcn suite, the osmo-hnbgw LOGL_ERROR is spammed with messages like: DLSCCP ERROR unsupported SCCP user primitive N-PCSTATE.indication (sccp_scmg.c:298) Add this prim to scmg_prim_cb() to just log on DEBUG that it is ignored. Related: OS#5679 Change-Id: I5fd38afea94f48ed2f2fcd2d9baa8ec22a571b6b
2021-12-21	src/sccp_scmg: fix typo	Oliver Smith	1	-1/+1
	Change-Id: Ifd6264da2da2e7cc62485dcde9b6c462d4858626
2021-11-14	sccp_scmg: Add missing line eneding to log statement	Harald Welte	1	-1/+1
	Change-Id: I7ec5c86fbef429cd1e23be87b773823f2e736f2f
2021-02-10	xua_snm: Implement handling of DUPU messages	Harald Welte	1	-0/+33
	A DUPU message in SUA and M3UA indicates the unavailability of a (MTP-level) user, i.e. the entire SCCP, ISUP, ... is not available. If we receive a DUPU (destination user part unavailable) message in ASP role, then we must * distribute it to any other ASPs for which we operate in SG mode * pass it as MTP-STATUS.ind to SCCP, which can then generates N-PCSTATE.ind to the SCCP User Change-Id: I1559ed0f761a8495b222df48c6bd43798e220471
2021-02-10	sccp: more SCMG handling: SSA and SSP message handling	Harald Welte	1	-2/+31
	When a SSP (Subsystem Prohibited) or SSA (Subsystem Available) SCMG message is received, we must generate the respective primitives towards the SCCP user. Change-Id: I149166a25113f5d3e3536f9297bf89ff3139b9e3
2021-02-10	sua: per-ssn DUNA/DAVA notification	Harald Welte	1	-0/+39
	Unlike M3UA, in SUA a DUNA/DAVA message can contain not just the point code that became available / unavailable, but it can also include a SSN. In that case, it is just the SSN that became available/unavailable, and not the entire point code. Hence, a N-STATE.ind and not a N-PCSTATE.ind must be delivered to the SCCP user. Change-Id: Ie9a45b905bc17e7b695e15fe12ba4bbadcd032bf
2021-02-08	sccp: Add minimalistic SCMG implementation	Harald Welte	1	-0/+131
	SCMG (SCCP Management) is a special sub-system that normally resides at SSN=1. In Osmocom we so far ignored its existence. However, in terms of interop with other implementation, we should implement at least some basic features. The only procedure implemented in this initial commit is the response to an incoming SST (Subsystem Test) message. If we don't respond to this message, a remote SCCP entity could assume the SSN is dead on our side, rendering communication impossible. Change-Id: I04b162476f7652ef0540b5ea7299e9447efd1d09
2021-02-08	sccp: Notify users of point code available/unavailable	Harald Welte	1	-0/+83
	* add N-PCSTATE.ind and N-STATE.ind definitions to SCCP user SAP * add minimal SCMG (SCCP Management) and LBCS (Local Broadcast) * generate MTP-PAUSE.ind/MTP-RESUME.ind based on received xUA DUNA/DAVA * generate N-PCSTATE.ind towards the local SCCP users Change-Id: Idb799f7d7ab329ad12f07b7cbe6336da0891ae92 Related: OS#2623, OS#3403, OS#4701