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The branch, sysmocom/ipa_nano3G has been updated discards 3eb4ad86835b8e16c6d12becc390ec89298174fd (commit) discards 6ec179e7647958b0ab4431b055c3e68136cf8d15 (commit) discards dfd3e11be57852d334107a0f08cd3d6ba4229c77 (commit) discards 065b584f9b771a0a0a8df6cfef77dea932f00a48 (commit) via 26bf4082d5ccd8e512af2f325b275665f592266c (commit) via d799f3614e6938e65149afaeb988fd0ee32509fd (commit) via 30f534f887c3b16043362c5aa4a0e21fdbc71e71 (commit) via a872421e43da37f1c3a364c5c87d722f474cde35 (commit) via df63de2e37af890f3abb11d4de2334c2b49ae13c (commit) via 30e08f5b8e9ed4dbc12983d61eb1f1661eb91dd0 (commit) via 2f1b1189da3e720e46e7c411c042997710ef3c5d (commit) via ba03c430a65b9b9f410db03bfc9262a809770a5c (commit) via 347f8ef21809ea0f69352a2df8c9e10ab4e1a3a8 (commit) via 83457922813ace30efa355ed00b8967e64218aee (commit) via c636cab20fe5a7a63cfca4a108640d42cd5c36de (commit) via e7d6476825e640d62f78fc6955d46d1589c98870 (commit) via 52c6ae25be2d551ff5f484c70e130eec62ca3720 (commit) via 6648fe8f1ebcf7d082ad3d957f14565cfbb3a142 (commit) via 1a0bb5108c5c84cb3dfdca0b848e2fa4c7b03f05 (commit) via f6673b725758c1942835cb7241a3510bfec12c6a (commit)

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commit 26bf4082d5ccd8e512af2f325b275665f592266c Author: Harald Welte laforge@gnumonks.org Date: Sat Apr 30 23:52:02 2016 +0200

hack: Accept also UE_Identity_PR_pTMSIRAI in HNBAP from nano3G

I have the feeling that the nano3G simply forwards whatever identity it receives from the MS in RRC via HNBAP, without sending any IDENTITY REQUESTS by itself. That seems like a violation of the RANAP specification, but well.

As opposed to Neels' earlier commit, the phone I was testing with (GT-I9100) is using the UE_Identity_PR_pTMSIRAI (PS identity) instead of UE_Identity_PR_tMSILAI (CS identity) when trying its first attempt to register to the network, so let's support that equally.

http://cgit.osmocom.org/osmo-iuh/commit/?id=d799f3614e6938e65149afaeb988fd0e...

commit d799f3614e6938e65149afaeb988fd0ee32509fd Author: Neels Hofmeyr nhofmeyr@sysmocom.de Date: Mon Apr 25 15:05:32 2016 +0200

hack: simply accept UE Register Requests with TMSI

HNBGW would usually keep track of UEs that have registered, with their IMSI. When a UE registers with only a TMSI, we obviously can't store an IMSI. However, since we're so far never *using* the list of UEs in osmo-hnbgw, we might as well just accept the TMSI registration and carry on as usual.

This is particularly helpful with an ip.access nano3G femto cell, as it tends to send UE registrations with a TMSI+LAI identification instead of an IMSI when the subscriber is known. This causes timeouts of several minutes until a UE registration switches back to IMSI. When simply accepting the TMSI in osmo-hngw, no problems are apparent in our current code state.

A workaround to make sure the phone uses an IMSI to register: attempt to register the phone to a different mobile network, which may discard the TMSI for your network, and then switch back to your network.

Recording the IMSI in hnbgw: we could use the subscriber list during paging, but on the other hand, it doesn't hurt to anyway always page to all HNBs connected to osmo-hnbgw. The paging procedure does include a page-to-all-HNBs in case the first HNB paging fails. However, since we're now failing to record UEs that register by TMSI, we must be aware that trying to page such UE on only its last seen HNB will fail; it is plainly missing in the list.

Change-Id: I87bc1aa3e85815ded7ac1dbdca48f1680b468589

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Summary of changes: .gitignore | 4 ++ configure.ac | 5 ++- contrib/jenkins.sh | 26 +++++++------ include/osmocom/hnbap/Makefile.am | 4 ++ {src => include/osmocom/hnbap}/hnbap_common.h | 0 include/osmocom/iuh/Makefile.am | 4 +- {src => include/osmocom/iuh}/context_map.h | 0 {src => include/osmocom/iuh}/hnbgw.h | 0 {src => include/osmocom/iuh}/hnbgw_cn.h | 2 +- {src => include/osmocom/iuh}/hnbgw_hnbap.h | 2 +- {src => include/osmocom/iuh}/hnbgw_ranap.h | 2 +- {src => include/osmocom/iuh}/hnbgw_rua.h | 2 +- {src => include/osmocom/iuh}/iu_common.h | 0 include/osmocom/ranap/Makefile.am | 7 +++- include/osmocom/rua/Makefile.am | 4 ++ {src => include/osmocom/rua}/rua_common.h | 0 {src => include/osmocom/rua}/rua_msg_factory.h | 0 src/.gitignore | 3 -- src/Makefile.am | 53 ++++++++++++++++++++------ src/context_map.c | 4 +- src/hnbap/Makefile.am | 4 +- src/hnbap_common.c | 4 +- src/hnbgw.c | 10 ++--- src/hnbgw_cn.c | 6 +-- src/hnbgw_hnbap.c | 6 +-- src/hnbgw_ranap.c | 4 +- src/hnbgw_rua.c | 10 ++--- src/hnbgw_vty.c | 4 +- src/ranap_common_cn.c | 2 +- src/rua_common.c | 4 +- src/rua_msg_factory.c | 8 ++-- src/tests/Makefile.am | 22 ++++++++++- src/tests/dummy_cn_sua.c | 2 +- src/tests/hnb-test-rua.c | 2 +- src/tests/hnb-test.c | 6 +-- src/tests/test-helpers.err | 5 +-- src/tests/test-hnbap.c | 4 +- src/tests/test-ranap.c | 2 +- src/tests/test_common.c | 5 ++- 39 files changed, 153 insertions(+), 79 deletions(-) rename {src => include/osmocom/hnbap}/hnbap_common.h (100%) rename {src => include/osmocom/iuh}/context_map.h (100%) rename {src => include/osmocom/iuh}/hnbgw.h (100%) rename {src => include/osmocom/iuh}/hnbgw_cn.h (79%) rename {src => include/osmocom/iuh}/hnbgw_hnbap.h (77%) rename {src => include/osmocom/iuh}/hnbgw_ranap.h (77%) rename {src => include/osmocom/iuh}/hnbgw_rua.h (93%) rename {src => include/osmocom/iuh}/iu_common.h (100%) rename {src => include/osmocom/rua}/rua_common.h (100%) rename {src => include/osmocom/rua}/rua_msg_factory.h (100%)

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