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- Log ----------------------------------------------------------------- http://cgit.osmocom.org/osmo-iuh/commit/?id=9423ad766a4e187be643f46e14ecced4...

commit 9423ad766a4e187be643f46e14ecced47c844b93 Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 14:40:11 2017 +0200

set RANAP msgb headroom to 512 (times two)

With a headroom of 256, the SGSN crashes with:

msgb(0x6e3b90): Not enough headroom msgb_push (256 < 264)

I'm not perfectly sure what amount of headroom is strictly necessary. The only reason to pick 512 is that it is twice the amount of 256.

Change-Id: I9a193846902a0477af0873f78283c4f2bedaf5dd

http://cgit.osmocom.org/osmo-iuh/commit/?id=9e4f727ef12ebc4f60fd0af637988d19...

commit 9e4f727ef12ebc4f60fd0af637988d19a447cc4f Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 14:29:04 2017 +0200

cn unitdata: verify correct remote addr

When receiving unitdata from the CN, verify that it is indeed coming from the remote address that matches our CS/PS domain settings.

This patch came from an earlier stage where the is_ps out-parameter was actually used. While it currently isn't, it doesn't hurt to leave it there.

Change-Id: I7190b4c3a05e8bac0eeffa1eab18c9e47429cb17

http://cgit.osmocom.org/osmo-iuh/commit/?id=54e6e1fc3074a7ecd891a6895891bc32...

commit 54e6e1fc3074a7ecd891a6895891bc32d04b33c2 Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 17:29:28 2017 +0200

rua_to_scu(): add debug log for calling/called addr

This might help in resolving whether we are conforming to SCCP specs regarding our calling/called address choices.

Change-Id: Ie91953f7e9033419257d556d3a9f14e125f5c60d

http://cgit.osmocom.org/osmo-iuh/commit/?id=c3614318af03527a3ed12a9835adbe1f...

commit c3614318af03527a3ed12a9835adbe1f3966b215 Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 14:34:38 2017 +0200

rua_to_scu(), rua_rx_init_connect(): add debug logging

In rua_to_scu(), log domain indicator and remote address.

In rua_rx_init_connect(), add domain indicator to log.

Change-Id: Ibe510bf0aca5eadbc0ce6031d3026e770de6559f

http://cgit.osmocom.org/osmo-iuh/commit/?id=cb246316505c8cf9913fb66596362fee...

commit cb246316505c8cf9913fb66596362fee90b10476 Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Tue Jun 20 22:49:34 2017 +0200

sccp_sap_up(): guard against NULL pointers

Change-Id: Icd64b92b00461cace5c476c8bcf69eec3fdbbdd3

http://cgit.osmocom.org/osmo-iuh/commit/?id=0f88c110093935305143987638e46dc6...

commit 0f88c110093935305143987638e46dc6db304a3e Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 16:49:43 2017 +0200

migrate osmo-hnbgw to libosmo-sigtran's SCCP/M3UA

libosmo-sigtran now has a "proper" SCCP/M3UA stack, so we can make our hnb-gw 3GPP compliant by switching from the old SUA code to the new universal SCCP user API with support for (currently) M3UA and SUA.

Main changes:

Use one cn_link to STP: We will connect to the core network using an (Osmo)STP instance that routes to MSC and SGSN, so we want one SCCP link instead of two. The only difference between IuCS and IuPS is a different remote osmo_sccp_addr.

This has various effects through the messaging code; the patch is a bit larger than I would like, but it is hard to separate out truly independent smaller changes.

CS or PS domain was previously flagged in the separate cn_link, as ctx pointer for two separate sccp_sap_up()s. Now there's just one such ctx, so determine is_ps from the RANAP Domain Indicator, or from the conn's hnbgw_context_map:

- Add is_ps to context_map_alloc_by_hnb(). - To find a matching context, the RUA ID alone is no longer sufficient, also match is_ps (possible optimization todo: separate lists).

We would send separate CS or PS Reset messages based on the cn_link, instead send both CS and PS Reset at the same time for the single cn_link. This could be adjusted to detect presence of MSC or SGSN instead.

Pending: adjust the VTY config to reflect that there is only one remote address. Place a TODO comment for that.

Smaller changes:

rua_to_scu(): populate called and calling addresses for N_CONNECT and N_UNITDATA.

Remove DSUA.

Don't build dummy_cn, which is still implemented on SUA. Mark todo to maybe re-include it based on M3UA later.

In hnbgw_cnlink, place sccp related items in a separate sub-struct.

Do not keep an llist of cn_links, just have the one. Remove iteration and list management.

Change jenkins script to build libosmo-sccp master.

Patch-by: hwelte, nhofmeyr Change-Id: I8ac15fa2fd25bedb26297177e416976a5389b573

http://cgit.osmocom.org/osmo-iuh/commit/?id=12ed975996f41fe1218c06fca3755047...

commit 12ed975996f41fe1218c06fca3755047475084a6 Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Jul 3 16:33:14 2017 +0200

cosmetic: move callers' common switch() into rua_to_scu()

Change-Id: If6274e3738dc04646d0dc18332c12237e6910d18

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Summary of changes: contrib/jenkins.sh | 4 ++-- src/hnbgw_cn.c | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-)

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