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2017-04-10sccp_sap: Use zero-terminated string for GT digits in osmo_sccp_addrHarald Welte1-2/+1
This is more natural to most application code, so simply go for ASCII string with NUL-termination rather than an array with explicit length. Change-Id: I6312208cdfa83184be41157a473c96e9120c63db
2017-04-10xua_msg: Add concept of xua_msg_class and xua_msg_dialectHarald Welte1-0/+24
A xua_msg_class repreents one xUA message class (like M3UA XFER or SUA CL). A dialect is then something like SUA or M3UA, each consisting of as many as 256 message classes. Each class contains value_strings of the individual messages, as well as constraint information on mandatory IEs for each message. Change-Id: Ib538aca295b7b50132bc814b2d7b56cbe5d65bfc
2017-04-10xua_msg: Add xua_msg_free_tag() and xua_msg_copy_part()Harald Welte1-1/+4
... also, mark input to xua_msg_find_tag as 'const' pointer. Change-Id: I083634db9c3606bcff87700f253054a38a20816d
2017-04-10sua.h: Add #define for the varius SUA protocol errorsHarald Welte1-0/+22
again using m3ua.h definitions as base whenever applicable. Change-Id: Iec2563cb158b1c18064671564a7502b5c4d82517
2017-04-10sua.h: Define more IEIs; base definitions on m3ua.hHarald Welte1-2/+13
A lot of IEIs are identical between the different xUA dialects, so let's base the SUA definitions on the m3ua definitions. Change-Id: I64c7166cf0b5c8a927ab7e14955100f8d13fe16a
2017-04-10Replace unused m3ua_types.h with protocol/m3ua.hHarald Welte3-130/+149
This is more in line with what we do for SUA in protocol/sua.h Change-Id: I4a32cb698d28b4ccff9280b8512557ab5a353fe3
2017-02-13Add xua_msg_part_get_u32() to get U32 value from xua_msg_partHarald Welte1-0/+1
Sometimes one already has the xua_msg_part and thus can avoid the lookup that's done by xua_msg_get_u32(). Change-Id: Ie11c35f9528313d0b35786a361d853addd17364f
2017-02-13sccp_helpers: Add osmo_sccp_{addr,gt}_dump() functionsHarald Welte1-0/+3
They stringify a global title or SCCP address for human consumption Change-Id: I630308aa4519c6e9a260419d37a376aac6a1ce28
2017-02-13Move xua_msg_add_sccp_addr() to xua_msg.h and export itHarald Welte1-0/+2
Change-Id: I07fa00dd71d8ecdf1542734598fab8ecad5a7b53
2017-02-13protocol/sua.h: Add #defines for CAUSE group values (from RFC)Harald Welte1-0/+7
Change-Id: I5b0af77aab4ba03262c0ecd25a893f170ca9c4bb
2017-02-13xua_msg: Make DXUA available to other XUA codeHarald Welte1-0/+2
Change-Id: Ie5b6492ead2c523de3969134291b2c3f434f92a2
2017-02-13migrate some generic XUA helpers from sua.c to xua_msg.cHarald Welte1-0/+7
Change-Id: I59e55d21a05b5d770c120da4c17220d5f21d44bd
2017-02-13sccp_helpers: add convenience function for RANAP unitdataNeels Hofmeyr1-0/+5
Change-Id: Ie96d78512b8e3907753272d75471b882365968c4
2017-02-13sccp_helpers: add osmo_ prefix to all functionsNeels Hofmeyr1-21/+22
Change-Id: I839c976f3ac722b955da18216de3df2eaa4c5af3
2017-02-13sccp_helpers.h/.c: fix: apply rename of osmo_sua_link to osmo_sccp_linkNeels Hofmeyr1-6/+6
Change-Id: If8b09bb05297ebf663b4a04d3cc094a6a8087f53
2017-02-13Add sccp_helpers.[hc] moved from osmo-iuh, 1:1 at firstNeels Hofmeyr2-1/+36
Move here unchanged first, so we're able to see the modifications in diffs. Pending changes will follow in subsequent patches. Moved from osmo-iuh 3da8608b6ad014fc74536dbb49019704fd425b8c, which was before the rename of osmo_sua_link and osmo_sua_user to osmo_sccp_link and osmo_sccp_user, so this will not compile. Change-Id: Iae0c58c5f1eb00a685de70add0d5257e4316c6d5
2017-01-27cosmetic: add comments for GT, PC, SSN to help noobs finding their wayNeels Hofmeyr1-3/+3
Change-Id: I8f47f855c2718f4922b36229a388fa719c628bf6
2017-01-27add comment (meaning of COIT)Neels Hofmeyr1-1/+1
Change-Id: I63276ca2bfd6282676618e50268ed2234025b7bb
2017-01-27allow user to give private data to osmo_sua_user_create()Harald Welte1-1/+3
... which can be resolved from the primitive call back prim_cb() by calling osmo_sccp_link_get_user_priv(). Change-Id: If4c0f96f0621fb2adf4c78dc5994d3398431d92f
2016-07-07fix struct member typo: repsonding_addr in osmo_scu_disconn_paramNeels Hofmeyr1-1/+1
By accident, I already fixed this typo in osmo-iuh, breaking the build. Instead of reverting there, fix it here. Change-Id: I4076fb37c0d94be7adff46e76465884a61c54c9a
2016-07-06cosmetic: rename osmo_sua_link and osmo_sua_user to osmo_sccp_*Neels Hofmeyr1-8/+8
hwelte requested this change for the addition of libiu in openbsc. In a conversation we came to the conclusion that a rename of these two opaque structs would suffice. This is the "upstream" rename and will require adaptation of: * the sysmocom/iu branch in this repository * the iu related branches in openbsc.git * the hnbgw and dummy_cn code in osmo-iuh.git See https://gerrit.osmocom.org/#/c/192/2/openbsc/src/libiu/iu.c@57 Change-Id: Icbf64dd96f8e0e27695df73d1144519b88360b94
2016-04-16Add more OSMO_SCCP_SSN_ definesHarald Welte1-0/+16
hopefully we should now know all that we ever expect to need.
2016-04-16Fix RANAP SSN: it's 142, not 143Neels Hofmeyr1-1/+1
143 is actually the SSN for RNSAP. Wireshark displayed a RNSAP message type and malformed packet warning until I fixed this to 142. Now I get the proper RANAP and id-Paging reported. There has been a reallocation for RANAP and RNSAP SSNs, though the old SSN for RANAP is apparently 32 (seen in a pcap from a real 3G network). When I send 32 instead of 142, wireshark also decodes the message as valid RANAP.
2015-12-25Add missing OSMO_SCCP_SSN_RANAP for RANAP SSNHarald Welte1-0/+1
2015-12-23Properly define SCCP_SAP_USER without random magic numberHarald Welte3-4/+8
2015-12-22Import SUA (SCCP User Adaptation) and SCCP User SAPHarald Welte8-0/+826
... this code originates from the osmo-iuh repository, but is now part of a new shared libosmo-sigtran.so library generated in this repository.