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This changes over to the new libosmo-sigtran API with support for
proper SCCP/M3UA/SCTP stacking, as mandated by 3GPP specifications for
the IuCS and IuPS interfaces.
Only the ASP (client) is used, assuming that both the HNB-GWs and RNCs
as well as the MSCs and SGSNs are all connecting as ASP to some STP/SGW
which offers M3UA server functionality as well as point-code and/or
global title based routing.
Tweaked-by: nhofmeyr (test expectation)
Change-Id: If0ff956fbf1484899d59ae1a5885543bca31645b
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Depends: libosmocore change-id I0fca8e95ed5c2148b1a7440eff3fc9c7583898df
Change-Id: If1c49faf6e1757cb16b383dd2db87b48bc94eee6
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osmo-nitb becomes osmo-msc
add DIUCS debug log constant
add iucs.[hc]
add msc vty, remove nitb vty
add libiudummy, to avoid linking Iu deps in tests
Use new msc_tx_dtap() instead of gsm0808_submit_dtap()
libmgcp: add mgcpgw client API
bridge calls via mgcpgw
mgcp: hack RAB success from nano3G: patch first RTP payload
The ip.access nano3G needs the first RTP payload's first two bytes to read hex
'e400', or it will reject the RAB assignment. Add flag
patched_first_rtp_payload to mgcp_rtp_state to detect the first RTP payload on
a stream, and overwrite its first bytes with e400. This should probably be
configurable, but seems to not harm other femto cells (as long as we patch only
the first RTP payload in each stream). Only do this when sending to the BTS
side.
Change-Id: Ie13ff348117e892d41b8355ab6c24915301eaeaf
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Disable large parts of the code that depend on BSC presence.
Don't set msg->lchan nor msg->dst.
Don't use lchan in libmsc.
Decouple lac from bts.
Prepare entry/exit point for MSC -> BSC and MSC -> RNC communication:
Add msc_ifaces.[hc], a_iface.c, with a general msc_tx_dtap() to redirect to
different interfaces depending on the actual subscriber connection.
While iu_tx() is going to be functional fairly soon, the a_tx() is going to be
just a dummy for some time (see comment).
Add Iu specific fields in gsm_subscriber_connection: the UE connection pointer
and an indicator for the Integrity Protection status on Iu (to be fully
implemented in later commits).
Add lac member to gsm_subscriber_connection, to allow decoupling from
bts->location_area_code. The conn->lac will actually be set in iu.c in an
upcoming commit ("add iucs.[hc]").
move to libcommon-cs: gsm48_extract_mi(), gsm48_paging_extract_mi().
libmsc: duplicate gsm0808 / gsm48 functions (towards BSC).
In osmo-nitb, libmsc would directly call the functions on the BSC level, not
always via the bsc_api. When separating libmsc from libbsc, some functions are
missing from the linkage.
Hence duplicate these functions to libmsc, add an msc_ prefix for clarity, also
add a _tx to gsm0808_cipher_mode():
* add msc_gsm0808_tx_cipher_mode() (dummy/stub)
* add msc_gsm48_tx_mm_serv_ack()
* add msc_gsm48_tx_mm_serv_rej()
Call these from libmsc instead of
* gsm0808_cipher_mode()
* gsm48_tx_mm_serv_ack()
* gsm48_tx_mm_serv_rej()
Also add a comment related to msc_gsm0808_tx_cipher_mode() in two places.
Temporarily disable all paging to be able to link libmsc without libbsc.
Skip the paging part of channel_test because the paging is now disabled.
In osmo-nitb, paging is done on BSC level and MSC level "at the same time".
When the new MSC is fully operational, paging will be controlled separately on
the MSC level, and the BSC (RNC) level will be instructed over an IuCS or
A-interface to negotiate paging with the MS (UE). This MSC level paging does
not yet exist and will be added in subsequent commits.
msc_compl_l3(): publish in .h, tweak return value. Use new libmsc enum values
for return val, to avoid dependency on libbsc headers. Make callable from
other scopes: publish in osmo_msc.h and remove 'static' in osmo_msc.c
add gsm_encr to subscr_conn
move subscr_request to gsm_subscriber.h
subscr_request_channel() -> subscr_request_conn()
move to libmsc: osmo_stats_vty_add_cmds()
gsm_04_08: remove apply_codec_restrictions()
gsm0408_test: use NULL for root ctx
move to libbsc: gsm_bts_neighbor()
move to libbsc: lchan_next_meas_rep()
move vty config for t3212 to network level (periodic lu)
remove unneccessary linking from some tests
remove handle_abisip_signal()
abis_rsl.c: don't use libvlr from libbsc
Change-Id: I9cf80f9c2c8a53a29e42f000029e680a9922cb41
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Change-Id: Ic073f3a069a7f5e7e421e0e56140f069ee9b10b8
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Original libvlr code is by Harald Welte <laforge@gnumonks.org>,
polished and tweaked by Neels Hofmeyr <nhofmeyr@sysmocom.de>.
This is a long series of development collapsed in one patch. The original
history may still be available as branch neels/vlr_orig.
TODO: This commit may be split in several smaller changes before merging to
master.
SMS:
The SQL based lookup of SMS for attached subscribers no longer works since the
SQL database no longer has the subscriber data. Replace with a round-robin on
the SMS recipient MSISDNs paired with a VLR subscriber RAM lookup whether the
subscriber is currently attached.
If there are many SMS for not-attached subscribers in the SMS database, this
will become inefficient: a DB hit returns a pending SMS, the RAM lookup will
reveal that the subscriber is not attached, after which the DB is hit for the
next SMS. It would become more efficient e.g. by having an MSISDN based hash
list for the VLR subscribers and by marking non-attached SMS recipients in the
SMS database so that they can be excluded with the SQL query already.
There is a sanity limit to do at most 100 db hits per attempt to find a pending
SMS. So if there are more than 100 stored SMS waiting for their recipients to
actually attach to the MSC, it may take more than one SMS queue trigger to
deliver SMS for subscribers that are actually attached.
This is not very beautiful, but is merely intended to carry us over to a time
when we have a proper separate SMSC entity.
Introduce gsm_subscriber_connection ref-counting in libmsc.
Related: OS#1592
Change-Id: I702ba504ce2de93507312c28eca8d11f09f4ee8b
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Original libvlr code is by Harald Welte <laforge@gnumonks.org>,
polished and tweaked by Neels Hofmeyr <nhofmeyr@sysmocom.de>.
This is a long series of development collapsed in one patch. The original
history may still be available as branch neels/vlr_orig.
Related: OS#1592
Change-Id: I3f75de5f0cc2ff77f276fd39832dd3621309c4b9
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Remove duplicated code and make sure that python code is actively used
as part of test harness
Change-Id: I676390abe2f179df6004cdd33d0eaaf60e18df03
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Supporting SI2quater as per 3GPP TS 44.018 will require chnages to the
way System Information is stored because it uses 1:n instead of 1:1
mapping between SI type and generated SI content. This should not affect
other SI types though. To facilitate this transition:
* convert the code to always use GSM_BTS_SI helper instead of accessing
buffer directly
* make helper more robust by adding extra parenthesis
* add similar helper for gsm_lchan
* add function estimating number of SI2quater message to hold configured
number of (U|E)ARFCNs
* add SI2q index/count fields and pass them to rest_octets generator
explicitly
* internalize buffer access in generate_si* functions
Change-Id: I74e4e3cb86364cec869a1472a41b4a95af0d50dd
Related: RT#8792
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The VTY tests assume that $top_builddir == $top_srcdir. Use the script's
location from sys.path[0] to find the correct locations of example configs even
when building in another directory.
Change-Id: I2731f361e3b72d0980968e6cf83594ea450db7c2
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osmo-python-tests now includes code that retries connecting the VTY socket and
needs no external sleep()ing. This flies through most tests without any sleep()
at all.
See osmo-python-tests.git change-id Icc337f52a93d5fe31fc4ff235ccaf4e0fe75fa39
Change-Id: I42161d9716fe5bb0ef1c56e4bfb770bb99bbca7a
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In a future commit, gsm_subscriber will be replaced by vlr_subscr, and it will
not make sense to use vlr_subscr in libbsc. Thus we need a dedicated BSC
subscriber: struct bsc_subscr.
Add rf_policy arg to bsc_grace_paging_request() because the bsc_subscr will no
longer have a backpointer to gsm_network (used to be via subscr->group).
Create a separate logging filter for the new BSC subscriber. The implementation
of adjusting the filter context is added in libbsc to not introduce
bsc_subscr_get/_put() dependencies to libcommon.
During Paging Response, fetch a bsc_subscr from the mobile identity, like we do
for the gsm_subscriber. It looks like a duplication now, but will make sense
for the VLR as well as for future MSC split patches.
Naming: it was requested to not name the new struct bsc_sub, because 'sub' is
too ambiguous. At the same time it would be fine to have 'bsc_sub_' as function
prefix. Instead of struct bsc_subscriber and bsc_sub_ prefix, I decided to
match both up as struct bsc_subscr and bsc_subscr_ function prefix. It's fast
to type, relatively short, unambiguous, and the naming is consistent.
Add bsc_subscr unit test.
Related: OS#1592, OS#1594
Change-Id: Ia61cc00e8bb186b976939a4fc8f7cf9ce6aa3d8e
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Change-Id: Ib64cf8690627803e1b4a8497ea63f1e766960478
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Depends: osmo-python-tests change-id I92f90c334169f31920c63dd5c5ac8dac215065e6
Change-Id: I849455e0423e1a63d6890aef7f9c6075ad53a920
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Similar to a recent patch in osmo-python-tests for VTY based tests, but this is
for the Ctrl tests.
The TestCtrlBase tests gave a constant sleep(2) grace period for the process to
startup. This causes tests to take minutes for no reason at all.
Add code to TestCtrlBase to try and connect right away, retrying up to three
seconds in .1 second intervals. This flies through most tests without any
sleep() at all.
Change-Id: I06569767153838bd9cd3edac001df5f6c567874c
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When running the testBSCreload test in close succession, I get a "Connection
refused" error because the socket is still in TIME_WAIT state. Passing the
SO_REUSEADDR flag allows reusing the addr despite a TIME_WAIT socket.
Change-Id: I941851b062999ab4b962430f7b27c19935993e0a
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The general infrastructure for UMTS AKA is already in place:
* GSUP with capability to send us auth_vectors that contain
either triplets or quintuples
* mm_context that holds such auth_vectors
Add:
* capability to send UMTS AUTN in GMM AUTH REQ
* parse extended UMTS RES
* on auth response, validate expected AKA with vector and received res/sres
* add Auth Failure message to receive resync AUTS token and
* send to HLR
* clear out-of-sync auth tuple
* enter new state for when we're waiting for HLR to resync and send new
tuples so that the next Auth Request will be handled
Original first half of this patch by: Harald Welte <laforge@gnumonks.org>
Full UMTS AKA procedure including AUTS resync tested to work against OsmoHLR
with R99 USIM and Milenage algorithm.
The sgsn_test.c needs adjustment because we're checking the vector's auth_types
now.
Depends: libosmocore change-ids
I277fb3d407396dffa5c07a9c5454d87a415d393f
If943731a78089f0aac3d55245de80596d01314a4
Related: OS#1956
Change-Id: Ie6a0cefba5e4e7f02cc2eaf6ec006ac07d5c1816
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Each running test would open up another socket without ever closing unused
ones. Close the sockets after each test is done.
Change-Id: I0a42caab3bb8c9c9d04b033e4de9efe0ca8fd2af
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Change-Id: Id8eb70ddfdc1d0d9f90aa5343a4ea522042c34ee
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Change-Id: I7361bb0ce5302d00ccb18dc04eeb75ee1f6844a8
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Prepare for replacing gsm_subscriber with vlr_subscriber. vlr_subscriber will
not make sense to be used in gprs, so have a dedicated GPRS subscriber struct.
(Could change if the gprs code were to use libvlr; is currently independent).
Related: OS#1592
Change-Id: Ia8b391ee009c8545763cba04505be3947835120e
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With the OsmoMSC program coming up, the name osmo_msc_data becomes even
more confusing than it already is. Clearly indicate it as libbsc's data of
a remote MSC by prefixing with bsc_.
Also, the Osmocom community has in the meantime agreed to have the osmo_
prefix only in libosmocore, to avoid naming conflicts in case things are
moved there. So while renaming anyway, also drop the osmo_ prefix.
Change-Id: I0dfbcb7d1a579211180f71319982820d8700afab
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With the OsmoMSC program coming up, the name osmo_msc_data becomes even
more confusing than it already is. Clearly indicate it as libbsc's data of
a remote MSC by prefixing with bsc_.
Also, the Osmocom community has in the meantime agreed to have the osmo_
prefix only in libosmocore, to avoid naming conflicts in case things are
moved there. So while renaming anyway, also drop the osmo_ prefix.
Change-Id: I13554563ce9289de126ba0d4cf329bafcda35607
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Each running test would open up another socket without ever closing unused
ones. Close the sockets after each test is done.
Change-Id: Ie433c8560de54f9a9d05fa07c44bae3126d19b30
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Handle Delete Subscriber Data GSUP message from HLR to disable Packet
Services for a given IMSI.
Change-Id: I6b9b494fa58bcb95bd550c49f8204f00f8fdf628
Related: OS#1645
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Postfix the ran type to clarify the purpose.
Because of the new support of the Iu ran type, there are 2 functions to allocate a mm ctx.
For Iu it's sgsn_mm_ctx_alloc_iu(). For gb it should be named in the same way.
Change-Id: Ic49009e8c20c12308855e1409c09004698c79b95
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GMM is the right term. MM state is already occupied.
Change-Id: I9cfdcf921e4ebd14a5e7ce7489ec4ce5d1f5515f
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Change-Id: I4251a24eb7a57a354aa76de711547c3e76ebb846
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'self' will not be accessible in that context, so this patch isn't
useful.
This reverts commit b39053ad6de50df5a2efcb4ec0c6551020b513e1.
Change-Id: Ic1a9ba5fdfd7bdc6c5cf0974e8c637ae23b81ece
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Change-Id: I995b7aba9d0b51b0861a4281dbbca888f36e9e00
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Change-Id: I3d833ddf8c62845fe68d1e5503332541a4a04a2d
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Add verbose logging as well as three retries around the place that often
fails on our build server with a 'Broken Pipe' error.
Change-Id: I8851b76b2d7b87dd500ae40f47e6bea716ef3fc4
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Use CTRL_CMD_DEFINE_RO(), CTRL_CMD_DEFINE_WO() and
CTRL_CMD_DEFINE_WO_NOVRF() where appropriate to get rid of boilerplate
code.
Change-Id: I5bcea0b4f4b8f535bef2b423f2013b8b4a218b5b
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Support multiple UARFCNs with the same Scrambler Code.
Fixes: RT#7379
Change-Id: If1c32e8b547a28325180faaaddd21f80c37f7337
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* Explicitly check when ARFCN array split is impossible and return
gracefully instead of using negative index.
* Separate range encoding into generic function and use it for all
SI-related things.
* Propagate the error into that function and to its callers.
* Add separate test-case for the segfault previously triggered by this bug.
Change-Id: I3e049ab2d7c1c4d6c791b148f37e10636a8e43e0
Related: RT#7379
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Shorten some code and make obvious to the reader that the string copy is done
in a safe way.
Change-Id: I900726cf06d34128db22a3d3d911ee0d1423b1bd
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Use osmo_strlcpy() to fix unsafe invocation of strncpy(), which potentially
left the result unterminated.
Change-Id: I1a119b1760a3e3262538b4b012d476fdce505482
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Depends on libosmocore Change-Id Ic49adc7a346f5722bf624d7d3b4a735e4220ae15
Change-Id: I67bc1889c064596a2f3e93cc0354b11c720b0225
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In some rare cases the modem might send a xid indication that does
not contain anything except the version number field. The sgsn
ignors such SNDCP-XID indications by stripping the entire field
from the response. We found a modem in the wild that started to
act problematic when the empty SNDCP-XID was missing in the
response. This patch changes the XID negotiation behaviour in
a way that if a modem should send empty SNDCP-XID indications,
the reply will also contain an empty SNDCP-XID indication. Apart
from that the SNDCP-XID version number is now parsed and echoed
in the response. This ensures that we always reply with the version
number that the modem expects. (The version was 0 in all cases we
observed so far)
Change-Id: I097a770cb4907418f53e620a051ebb8cd110c5f2
Related: OS#1794
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When passing a NULL config to osmo_oap_client_init(), set OAP to disabled
state. Along with the previous fix that ensures message rejection in the
disabled state, this makes use of OAP in the GSUP client optional.
oap_client_test: expect null config to set state to disabled.
Related: OS#1592
Change-Id: Ie4d622fcfd24cb7d89d19f93e4b2571d8fadd1a3
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Fixes the bug indicated in oap_client_test.c: adjust to actually expect the
proper behavior.
Also adjust for modified return value for message rejection. Instead of -1,
just expect < 0.
Adjust experr for new error messages.
Related: OS#1592
Change-Id: I16165d228653e8a2689f9df94b77b470c06480c6
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There is a hole in OAP where a disabled OAP still accepts at least a
Registration Reject message, after which it will do things it shouldn't. Show
this by expecting the bugs, to be adjusted with the upcoming fix.
Related: OS#1592
Change-Id: I4a5fde308b876946fea2571ea1a550f0cc7ee136
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Use libosmocore's DLOAP logging category for OAP.
oap_client_test.c: make sure DLOAP is in DEBUG level to not lose any logging
messages from experr.
Todo: we're using a "Library" logging category, which is not really what the
library category was intended for. Instead, the OAP client should probably be
given a logging category like DVLR or DGPRS in its initialization API.
Related: OS#1592
Change-Id: Ic765c19381b0d983da90a5d8aee9cd17e31cf34a
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Related: OS#1592
Change-Id: If1696c8e7bfa696b250f7eac24f08f85f8f492a2
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Rename to oap_client_test.c, which is also a more accurate name.
Related: OS#1592
Change-Id: I3ca333141a15940df07a1ae77a30bc54885db41f
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This is in preparation for libvlr.
Related: OS#1592
Change-Id: I9ad7dc7f17f3b033c779de9ae8bc120655502fce
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This is in preparation for libvlr.
Related: OS#1592
Change-Id: Ib526df6d9de55a1e59a379d5e2c8541ed0ef67e3
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Related: OS#1592
Change-Id: I05bd65ff81b0f70f68217b2e0a9466e160bdbdec
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Mainly to differentiate the OAP messaging API (osmo_oap_ in libosmocore) from
the OAP client.
This is in preparation for moving the oap client to libcommon, which is in turn
preparation for libvlr. Add the osmo_ prefix, as all public Osmocom API should
have. We also have OAP messages code in libosmocore, so clarify by naming this
osmo_oap_client, and by also renaming the oap_test to oap_client_test. This
reshuffling will allow an easy move of OAP to libosmocore if we should want to
do that. A number of patches will follow up on this.
Related: OS#1592
Change-Id: Id447d2bebc026a375567654adafa5f82439ea7e1
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This corresponds to change-id If5099e60681a215e798b6675f21813f26769c253 in
libosmocore, which is now required to build openbsc.
Related: OS#1592
Change-Id: I2f06aaa6eb54eafa860cfed8e72e41d82ff1c4cf
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