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This check is not in all our repos that use git-version-gen. Indeed it
seems to be a leftover of openbsc where I think it wanted to ensure
being called in the openbsc subfolder or something? libosmocore e.g.
doesn't have it.
In any case .git being a directory is not always true (if using git
worktree) so remove this check.
Change-Id: I976dd4ff20cc5b220b244b1fb6192c0528c32638
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Legacy compat: we used to not check the BTS codec-pref settings upon assignment
until we added checks for the BTS codec-pref in osmo-bsc
5bc43cd107597b78f701f77c7fd4cce8f923dce5, change-id
I285234e9c81de74d9fb9907fca2c443b08537435, "codec_pref: check bts codec
support". From that commit onwards, config setups without a 'codec-pref'
potentially stop working (like all osmo-gsm-tester runs just did), because with
no codec-pref settings, now only FR is permitted, while before the patch, we
would allow any codecs as long as MSC and the overall BSC config agree on them.
So, upon BTS initialization, enable all codecs. These get reset to a more fine
grained selection IF a 'codec-support' config appears in the config file (see
bsc_vty.c).
Change-Id: I4650a1f8e350c6f74f48391f43ddfe771be01e1b
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Change-Id: Id2619d0d45eb2686246c03643b4a578392a54cfe
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Drop numerous log statements that merely bloat the ho decision log.
Logging HO candidates: log more compact in a single line, do not use LOGPC and
multiline output. The result is more useful information in a quarter of the log
lines.
LOGPHOLCHAN(), LOGPHOLCHANTOBTS():
- log lchan->type instead of lchan->ts->pchan
- always log the speech mode
===== Before =====
DHODEC handover_decision_2.c:1131 (lchan 0.010 TCH/F) (subscr IMSI:000001) MEASUREMENT REPORT (1 neighbors)
DHODEC handover_decision_2.c:1136 (lchan 0.010 TCH/F) (subscr IMSI:000001) 0: arfcn=871 bsic=63 neigh_idx=0 rxlev=30 flags=0
DHODEC handover_decision_2.c:261 (lchan 0.010 TCH/F) (subscr IMSI:000001) neigh 871 rxlev=30 last_seen_nr=3
DHODEC handover_decision_2.c:1158 (lchan 0.010 TCH/F) (subscr IMSI:000001) HODEC2: evaluating measurement report
DHODEC handover_decision_2.c:1175 (lchan 0.010 TCH/F) (subscr IMSI:000001) Measurement report: average RX level = -110
DHODEC handover_decision_2.c:1190 (lchan 0.010 TCH/F) (subscr IMSI:000001) Virtually improving RX level from -110 to -105, due to AFS bias
DHODEC handover_decision_2.c:1220 (lchan 0.010 TCH/F) (subscr IMSI:000001) Attempting handover/assignment due to low rxlev
DHODEC handover_decision_2.c:899 (lchan 0.010 TCH/F) (subscr IMSI:000001) Collecting candidates for Assignment and Handover
DHODEC handover_decision_2.c:407 (lchan 0.010 TCH/F)->(BTS 0) (subscr IMSI:000001) tch_mode='SPEECH_AMR' type='TCH_F'
DHODEC handover_decision_2.c:313 (lchan 0.010 TCH/F) (subscr IMSI:000001) FR3 supported
DHODEC handover_decision_2.c:313 (lchan 0.010 TCH/F) (subscr IMSI:000001) HR3 supported
DHODEC handover_decision_2.c:489 (lchan 0.010 TCH/F)->(BTS 0) (subscr IMSI:000001) removing TCH/F, already on TCH/F in this cell
DHODEC handover_decision_2.c:573 (lchan 0.010 TCH/F)->(BTS 0) (subscr IMSI:000001) TCH/H would not be congested after HO
DHODEC handover_decision_2.c:605 (lchan 0.010 TCH/F)->(BTS 0) (subscr IMSI:000001) TCH/H would not be less congested in target than source cell after HO
DHODEC handover_decision_2.c:609 (lchan 0.010 TCH/F)->(BTS 0) (subscr IMSI:000001) requirements=0x30
DHODEC handover_decision_2.c:704 - current BTS 0, RX level -110
DHODEC handover_decision_2.c:707 o free TCH/F slots 3, minimum required 0
DHODEC handover_decision_2.c:709 o free TCH/H slots 4, minimum required 0
DHODEC handover_decision_2.c:714 o no requirement fulfilled for TCHF (no assignment possible)
DHODEC handover_decision_2.c:737 o requirement A B fulfilled for TCHH (not congested after assignment)
DHODEC handover_decision_2.c:407 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) tch_mode='SPEECH_AMR' type='TCH_F'
DHODEC handover_decision_2.c:313 (lchan 0.010 TCH/F) (subscr IMSI:000001) FR3 supported
DHODEC handover_decision_2.c:313 (lchan 0.010 TCH/F) (subscr IMSI:000001) HR3 supported
DHODEC handover_decision_2.c:563 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) TCH/F would not be congested after HO
DHODEC handover_decision_2.c:573 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) TCH/H would not be congested after HO
DHODEC handover_decision_2.c:595 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) TCH/F would not be less congested in target than source cell after HO
DHODEC handover_decision_2.c:605 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) TCH/H would not be less congested in target than source cell after HO
DHODEC handover_decision_2.c:609 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) requirements=0x33
DHODEC handover_decision_2.c:701 - neighbor BTS 1, RX level -110 -> -80
DHODEC handover_decision_2.c:707 o free TCH/F slots 4, minimum required 0
DHODEC handover_decision_2.c:709 o free TCH/H slots 4, minimum required 0
DHODEC handover_decision_2.c:712 o requirement A B fulfilled for TCHF (not congested after handover)
DHODEC handover_decision_2.c:737 o requirement A B fulfilled for TCHH (not congested after handover)
DHODEC handover_decision_2.c:914 (lchan 0.010 TCH/F) (subscr IMSI:000001) adding 2 candidates from 1 neighbors, total 2
DHODEC handover_decision_2.c:1020 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) Best candidate, RX level -80
DHODEC handover_decision_2.c:625 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) Triggering Handover
DHODEC handover_decision_2.c:688 (lchan 0.010 TCH/F)->(BTS 1) (subscr IMSI:000001) Triggering handover to TCH/F, due to low rxlevel
DHO handover_logic.c:133 (BTS 0 trx 0 ts 1 lchan 0 TCH/F)->(BTS 1 lchan TCH_F) Initiating Handover...
DMSC handover_logic.c:135 SUBSCR_CONN[0x612000000520]{ACTIVE}: Received Event HO_START
DHODEC handover_logic.c:172 (BTS 0 trx 0 arfcn 870 ts 1 lchan 0 TCH/F)->(BTS 1 trx 0 arfcn 871 ts 1 lchan 0 TCH/F) (subscr IMSI:000001) Triggering Handover
===== After =====
DHODEC handover_decision_2.c:1039 (lchan 0.010 TCH_F SPEECH_AMR) (subscr IMSI:000001) MEASUREMENT REPORT (1 neighbors)
DHODEC handover_decision_2.c:1044 (lchan 0.010 TCH_F SPEECH_AMR) (subscr IMSI:000001) 0: arfcn=871 bsic=63 neigh_idx=0 rxlev=30 flags=0
DHODEC handover_decision_2.c:1097 (lchan 0.010 TCH_F SPEECH_AMR) (subscr IMSI:000001) Avg RX level = -110 dBm, +5 dBm AFS bias = -105 dBm; Avg RX quality = -1 (invalid), +0 AFS bias = -1
DHODEC handover_decision_2.c:1122 (lchan 0.010 TCH_F SPEECH_AMR) (subscr IMSI:000001) RX level is TOO LOW: -105 < -100
DHODEC handover_decision_2.c:677 (lchan 0.010 TCH_F SPEECH_AMR)->(BTS 0) (subscr IMSI:000001) RX level -110; TCH/F={free 3 (want 0), [-] not a candidate}; TCH/H={free 4 (want 0), [ABC] good}
DHODEC handover_decision_2.c:671 (lchan 0.010 TCH_F SPEECH_AMR)->(BTS 1) (subscr IMSI:000001) RX level -110 -> -80; TCH/F={free 4 (want 0), [ABC] good}; TCH/H={free 4 (want 0), [ABC] good}
DHODEC handover_decision_2.c:928 (lchan 0.010 TCH_F SPEECH_AMR)->(BTS 1) (subscr IMSI:000001) Best candidate, RX level -80
DHODEC handover_decision_2.c:641 (lchan 0.010 TCH_F SPEECH_AMR)->(BTS 1) (subscr IMSI:000001) Triggering handover to TCH/F, due to low rxlevel
DMSC handover_logic.c:125 SUBSCR_CONN[0x612000000520]{ACTIVE}: Received Event HO_START
DHODEC handover_logic.c:169 (BTS 0 trx 0 arfcn 870 ts 1 lchan 0 TCH_F SPEECH_AMR)->(BTS 1 trx 0 arfcn 871 ts 1 lchan 0 TCH/F) (subscr IMSI:000001) Triggering Handover
Change-Id: If1add9b57a051d32b67a4a08ab47a9655aa9dd17
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The function lchan_free() is supposed to reset the lchan so that
it can be used by another connection. This function does not yet
reset the struct memebers in lchan->abis_ip. This may lead to
confusion if some other end re-uses that lchan and finds old RTP
voice port/ip settings there. Those data must be reset to
ensure it does accidently migrate into an unrelated conext.
- do a memset to 0 on lchan->abis_ip in lchan_free()
Change-Id: I0c99494292cd1d058a19a21413d0ddb51471c6be
Related: OS#3396
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Change-Id: If0cd4d435acd13dd132248c521e6bb0182de0deb
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The vty option bts->codec-support allows the user to set the supported
codecs per BTS level. However, those values are currently only used to
make the handover decision but the logic that handles the BSSMAP
ASSIGNMENT REQUEST does not check those flags.
- Do not ignore bts->codec-support flags on BSSMAP ASSIGNMENT REQUEST
Change-Id: I285234e9c81de74d9fb9907fca2c443b08537435
Closes: OS#3361
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At the moment there are three sources that may advertise a list of
supported audio codec/rate settings. There is the MS that advertises
advertises a speech codec list and the MSC that sends a channel type
information element over A and there are also settings in the bsc
configuration file that may restrict the codec/rate types that are
allowed to use.
The function match_codec_pref() looks at all of the three buckets and
selects a codec that satisfies all three. This is already a somewhat
complicated process, overit is very isolated, so lets give it its own
c-file.
Due to the lack of unit-tests it is very hard to make changes here so
lets add also unit-test to make sure that regressions are catched early.
- Put match_codec_pref() and all its helper functions into a separate
c-file.
- Add a unit test.
Change-Id: Iabedfdcec8b99a319f2d57cbea45c5e36c7b6e29
Related: OS#3361
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Change-Id: Ie98a68de207aea69befd24af3f302b6ef9e6f8e4
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Before this, a handover request in a conn state that disallows it would leave a
lingering handover state in the conn, also thwarting any future handover
attempts. (It would be deallocated on conn teardown, so no memleak.)
Change-Id: I839a05495ae93c5dbbd1616efa2469e5b1990a61
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If an invalid phys_chan_config is specified in osmo-bsc.cfg, raise
a parsing error at program startup.
If an invalid phys_chan_config is specified in in the VTY while
the program is running, show a warning to inform the user that
the configuration change was not applied.
Change-Id: I97baa359464a0e94de2497bc9214b99ed2a24041
Related: OS#1876
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xua_msg allocations should not go unnoticed by our root ctx. libosmo-sigtran
recently added this API to fix that.
Depends: I618878680a096a7f7fc2d83098590f2e4cb08870 (libosmo-sccp)
Change-Id: I8d5edda17be82e0cb4a1af3e2a62cbcb3a2ddda3
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Change-Id: Ie038bbed436069e7849ba78c3c77c80a68bc3dad
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Fixes following runtime warning:
libosmocore/src/rate_ctr.c:219 counter group 'nat:filter' already exists for index 0, instead using index 1. This is a software bug that needs fixing.
Forward-port from openbsc.git c08d58802e03a45f95b8f7d28b29dc7026f664ba.
Change-Id: I7c5054c374281bb1d4bd1ecd76ddcca7a010d50a
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The '.' is illegal character in counter names, as they are exported
via CTRL interface, where '.' has a special meaning that cannot be
used by strings comprising the variable name.
Forward-port from openbsc.git 360284d4d797519faed33559b0ae746b6c17e68a.
Change-Id: I57b78162701a6a101b5cbaf68aaea89d17a0f819
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Change-Id: I3761819fb29f6fe49995ce4c1ae0e9bf92f993cd
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Change-Id: I6f125d040a8f511590ef67ba8babbd2e01c6bf21
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Previous state is harmless because the pointer is stored but not used in
that function. However, it's more clear this way.
Change-Id: I048ebc120306ea30ea973d6ee16ed84c9f341183
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Change-Id: Ice8ce203a52b918e1eddb56ea437d082efd634bc
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bar_find is set as static because it's still being used internally by
other functions.
Change-Id: I2db8f0ba60cf01929ce2c63edd9859612724de48
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While GSCON is setting the codec info when operating on the MGW, LCLS
is not doing that yet. This means that the MDCX messages that are
sent by LCLS do not contain any payload type and also no ptime or
rtpmap fields. This also causes the following TTCN3 tests to fail:
TC_lcls_connect_break
TC_lcls_connect_clear
TC_lcls_gcr_bway_connect
TC_lcls_gcr_bway_dont_connect_csc
- Make mgcp_pick_codec() public as bsc_subscr_pick_codec()
- use bsc_subscr_pick_codec() to set codec info in osmo_bsc_lcls.c
Change-Id: I383d55fa602cda0926dd701ee517a299db578260
Closes: OS#3358
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The GSCON FSM does not care about the codec information when performing
interactions with the MGW. Before upgrading the client the codec
information was hardcoded to AMR inside the client. Now the client
offers APIs to set the codec information. Since this feature is new,
osmo-bsc does not set any codec information yet, which causes many of
the TTCN3 tests to fail. So lets add some logic to pick suitable codec
info.
- Hardcode ptime to 20 (is the same for all possible codecs)
- Select a codec according to the flags in userplane
Change-Id: Ibddc3492572b39f166e3a1b8b8120813ce2dadc2
Related: OS#2728
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Only meas_json is added so far, since the other related ones are
conditionally built.
Change-Id: I35ba3c19fcdfb5663691a67c9876537765963c5d
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Move to gsm_04_08_utils.c so that it's possible to use it without
linking/stubbing all of RSL.
Change-Id: I6e90831d7e618ce3c8e7417082a82c97f6681668
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Commit "dyn ts, bts_ipaccess_nanobts.c: init PDCH on Chan OPSTART ACK"
bf7099262adf0f27e71a08387747c5cb0d459360 Icf6e25ff068e8a2600562d52726ead65e864ec02
introduced signal S_NM_OPSTART_ACK and passed the FOM header to identify the BTS
by. But the FOM header's BTS number is zero on each Abis/IP link, and the BTS
and TRX are actually identified by msgb->dst == e1inp_sign_link, member trx. So
the initial implementation associated *all* Channel OPSTART ACKs with BTS 0.
Pass the entire msgb as S_NM_OPSTART_ACK signal argument, implement a
abis_nm_get_ts() to retrieve the proper timeslot and use that during timeslot
init.
Related: OS#3351 OS#3205
Change-Id: I45ce5c24cb62d00f350df1af1be6c11104d74193
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Change-Id: I74e0e40ee6b2ce66d76f151528d9a958683944c7
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Change-Id: I2ce242e97445785c3f1d965d89e3f1b6ca6a37ab
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Change-Id: If5691d8e8bae7166e06382db589850ce94c20a30
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When we receive a RSL CONN FAIL IND, it may be that this happens
before any RLL is established (and hence a lchan->conn exists),
or after the RLLs have been shut down (and hence a lchan->conn doesn't
exist anymore).
So in this function, it is not legal to unconditionally dereference
lchan->conn.
Change-Id: I6380f5d2cd9364560ce3947517c84247cf4af0d4
Closes: OS#3182
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3GPP TS 48.006 section 9.2 states clearly that any SCCP connection
release must be initiated by the MSC.
for bsc_subscr_conn_fsm, this means that even after sending the
BSSMAP CLEAR COMPLETE, we must not terminate the FSM, as this would
cause a N-DISCONNET.req to be sent to the stack for the associated
SCCP connection.
The bsc_subscr_conn_fsm instances will hence stay alive until the MSC
eventually decises to release them.
Change-Id: Iaaca220b598609b77b600fcfc2f9a78b221c1fbb
Closes: OS#3331
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Change-Id: Ia8c8303a87412ce6456c38ae29e3c55de9522ac0
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Change-Id: I9127ddb7b29eb82defd3a8afac9c1dbfd424fb72
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We use the newly-introduced logging_vty_add_deprecated_subsys() from
libosmovty to make sure old config files will still parse even after
this change.
Change-Id: Ib4f67bb00e1d5460e643717b53f6a4d81278dc5d
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In Change-Id OSI6b7354f3b23a26bb4eab12213ca3d3b614c8154f we introduced
a function called osmo_ss7_asp_rx_unknown() which was supposed ot
override a weak symbol in libosmo-sigtran. However, the related change
in libosmo-sigtran (I8616f914192000df0ec6547ff4ada80e0f9042a2) was
modified later on to use explicit registration of a call-back function
instead of weak symbol override.
Let's adopt the osmo-bsc code to make use of this explict call-back
registration.
Change-Id: Id5880ec90dfa00b29cbb0ffea8c8dd50e24742bd
Related: OS#2012
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In Change-Id I6b7354f3b23a26bb4eab12213ca3d3b614c8154f we removed
the "dest" vty command, but we should simply ignore it and print
a related warning during start.
Change-Id: I531825061031918bbb1380e1b485b711e81bcd75
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Change-Id: I112c0db17d355d57eb08bc67121ccf49fbf53943
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Change-Id: Ief20cb0f46dd93f46dd765dca307724dc2b3487c
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Will be used in upcoming inter-BSC handover.
Change-Id: If9ecccc793426d214019f299b19d6ffa5a186546
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Do not invoke OSMO_STRINGIFY() with arbitrary names, just quote instead.
The idea was that OSMO_STRINGIFY() avoids typos by ensuring well-defined names
are stringified, but this highlights that OSMO_STRINGIFY() is in fact usable
with completely arbitrary arguments and actually lacks the validation part :/
Change-Id: I458cd2cd0d6ddb0e6db3bb8d546a20336ae8c5f1
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Add lchan and timeslot FSM charts to illustrate planning of how osmo-bsc should
handle lchan assignment and release.
Modify assignment, handover, lchan-release charts according to the new plan.
Change-Id: I18d60de5ee932c962aad0a532965a55d570bb936
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Change-Id: Iab22b8ae85a1a54d2f4002733e6068356368101b
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Change-Id: Ibcf2326cbc5a5f3f249ae15564825c83b5a063c8
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Change-Id: I6205e43c227652432548c5c99bed5a197c095da2
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Change-Id: I52fa8f3183c93ed362d8252d20daf00c60a117c8
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Another small step towards being aware of the subscriber identity.
Any connection initiated by paging will subsequently log the subscriber's
identity -- of course not necessarily the IMSI, if paging was done by TMSI.
This is only for Paging, not the Paging Response; for that see, L3 Complete.
Related: OS#2969
Change-Id: I0ab7bedfe693bb4e42a04fb0585b94a730ff2d9b
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This is a tiny step towards being aware of a connection's subscriber identity.
Iff the Layer 3 Complete message contains an IMSI, associate a bsc_subscr with
the conn, so that subsequent logging and possibly meas_feed contains the IMSI.
For any L3 Complete using TMSI, this has no effect whatsoever.
Related: OS#2969
Change-Id: I3b696a0c0932e3abcb682ba231db65755d8c27a6
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Keep the bsc_subscr associated with the conn as long as possible, to benefit
logging, which then contains the subscriber identity (if any).
Change-Id: Ifa528b58842a02509bfe0af6915c64bd67058bcd
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Instead of silently setting the use count to 1, instead increment with an
explicit bsc_subsct_get(), which then logs the event along with the place that
created the subscriber.
Change-Id: Ia72f8010b7b2e1ca44e3b005c0f2c05f3eeae8d5
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Change-Id: I28addc9a16a4c81978290303d368f630a8334228
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The guts of bssap_speech_from_lchan() and lchan_to_chosen_channel() have been
moved to libosmocore; call those instead.
The return value of bssap_speech_from_lchan() used to be -1 on error, now the
error value is 0. The only caller did not handle -1 properly, but fed it
directly to a uint8_t.
On gsm0808_chosen_channel() error, log the error. Proper handling is missing.
Fixing the error handling in send_ass_compl() is a separate issue: currently it
is limited to logging, there is no way to return an error yet, nor any actions
to take on error.
Depends: Icca23940791f97fa64dbc3f2734270b99f9550c1 (libosmocore)
Change-Id: Ib5c940a9dae11c5e26d4b47fa9d95fef889ad2f6
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