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While fixing potentially incorrect memory access, the check for maximum
number of supported BTS features was incorrectly adjusted instead of
feature vectore length check next to it. Fix this by adjusting checks
properly and adding comments to avoid future confusion.
The error was introduced in a60bb3dd28ce9e3720f8ee1b262893f3e233e2e6.
Change-Id: I06d2498d730624d5da535f6add6fa98d004714ae
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When we are performing Rx sensitivity testing on a BTS, we want to
deactivate the connection failure criterion / radio link timeout, i.e.
no matter how many SACCH frames in uplink are failed to decode, the BTS
should never close the channel.
OsmoBTS Change-Id I736f21f6528db5c16fa80cdb905af20673797be5 covers a way
how this behavior can be requested from the BTS via an OML attribute.
This patch adds support to the BSC to actually set that attribute.
Do not use this in production networks, as the BTS will keep open radio
channels indefinitely even if the phone is gone and no longer
transmitting anything. This is a pure testing feature.
Change-Id: I6cb94e0f024934f7baeeb728ca9ed3042fbf16d2
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Previously the SI generation lead to setting the BCCH SIs for all TRX in
a multi-trx setup. This is because we create the SIs globally but
si_valid appears to be limited to the 'current' trx. Warn if we attempt
to set SIs for the BCCH on a trx that does not have a BCCH.
Change-Id: Ie0e288252a2e7709c4dae16b96a0b1512278847f
Tweaked-by: Max <msuraev@sysmocom.de>
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To support segmented SI2quater as per 3GPP TS 44.018 we'll have to
support multiple SI messages (up to 16 for SI2q) for a given type in
contrast to existing 1:1 mapping:
* expand storage space to hold up to 16 SI messages (spec limit)
* add assertions for budget calculations
* generate multiple SI2q messages
* adjust SI2q-related tests
* use precise check for number of SIq messages instead of approximate
estimation
Change-Id: Ic516ec9f0b821557d9461ae9f1c0afdd786f3b05
Related: OS#1660
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* move SI2quater related defines to shared header
* add define from OsmoBTS which checks for presence of a given SI
message in gsm_bts struct. Rename it to avoid conflicts with OsmoBTS
code and to match naming conventions of similar macros.
Change-Id: I11432c93c772d1ead6d45a7bb0f1d13d492c82f1
Related: OS#1660
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Use sizeof target BTS feature storage to make sure we always fit into
pre-allocated memory. Also use it for log check.
Change-Id: Ib107daa6e8b9bc397a10756071849f8ff82455d5
Fixes: CID 170581
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Request features supported by BTS when getting attributes over OML.
Change-Id: Ic35b2865998bca3c2c0cb4b77e4e73d12e08bd7e
Related: OS#1614
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Request per-TRX attributes in addition to BTS attributes.
Change-Id: I2b61131b9930afd03357c0b66947ee856d58cc46
Related: OS#1614
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osmo_talloc_replace_string() was introducd into libosmocore in 2014, see
commit f3c7e85d05f7b2b7bf093162b776f71b2bc6420d
There's no reason for us to re-implement this as bsc_replace_string
here.
Change-Id: I6d2fcaabbc74730f6f491a2b2d5c784ccafc6602
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Rename gsm_bts_has_feature() -> gsm_btsmodel_has_feature() and adjust
type signature to match gsm_btsmodel_set_feature() function and avoid
confusion with upcoming functions to check/set BTS features reported
over OML.
Change-Id: I97abdedbef568e0c2fbd37c110f7d658cf20e100
Related: OS#1614
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Since commit b4999b60d48bcbb5aa575973d068e07ab672e095 we created PCU
sockets at hard-coded paths in the filesystem by default for all BTSs.
This is inflexible and prevents the use of multiple BSC instances on a
single filesystem, or the placement of the sockets in a more secure
location than /tmp.
The new approach with this patch is that
* no PCU sockets are created by default
* only for those BTSs where a 'pcu-socket' is configured via VTY,
the socket will actually be created
Change-Id: Ie9079470584777dcc31f85f9bf0808f479156ccb
Closes: OS#2293
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Using this command, one can modify the RTP stream associated with a
given logical channel and (re)direct it to a specified IP:Port.
Change-Id: I63e03b932038a4e2f6d51c5541b52e4a42df27bf
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Sometimes it is useful to manually activate (or decativate) a given
logical channel from the VTY. Doing this on the BSC (rather than the
BTS) ensures that the BSC knows that this timeslot / channel is
allocated and there is no risk to have clashes between the BSC "owning"
the resources and the BTS allocating some by itself.
Change-Id: I44fc3904678eb48bd3ab1a3da8c0c265fa082e0d
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We can also move the string-to-numeric conversion inside vty_get_ts() to
reduce the amount of work required in the caller.
Change-Id: I2a74ed06e90e39d39f53fff39bb96df172728c0e
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Resolving a timeslot based on its numeric identities is a generally
useful function, so lets' factor that out.
Change-Id: Id2570232f82542487a1133be7efb1dc1eb3029a8
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Change-Id: I6edd442afc7c20f8f097198941bc592d429ba5da
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We generally use const pointers for input arguments. Also, document
input/output arguments of function and add spec reference.
Change-Id: I2532cde69a18e3b021f7371e68f67a28a43d8b5f
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Change-Id: I156027ecdd1456228c9f8776577edd48e70c19da
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Change-Id: I971bf6c8821689f9d8a1294a9b3bf1af9c4091f7
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Change-Id: I658f6d82a67944345ddda5534fa996dca9e990ab
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The pcu sends us an already made up MAC-Block that contains the
paging request. pcu_sock.c is parsing this paging request
wrongly and fails silently, which results into a dropping of the
request.
This commit fixes the parsing problems.
Change-Id: Iefef08123bdc351afd8287d3f27ebf0ae58a6e7d
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The PCU sends imm.ass messages in response to a rach request. Those
messages need to be forwarded to RSL in order to get them send. This
commit introduces the required functionality for that
Change-Id: Ice099c4ed7008200ed179e581aba1899c6c29455
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Ericsson allows to attach a reference to immediate assignments. A
confirmation of the transmission is then sent back, but only containing
the reference, not the whole RLC packet.
Change-Id: I945f49e62e2a74a7906e2d49940927773edd04a9
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It would prevent using only e.g. TRX 1 when TRX 0 is disabled.
Change-Id: I68dc5e837bd2a3602f7875063c85da4082196274
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The use of PCU_IF_FLAG_SYSMO enable the PCU to use DIRECT_PHY code path.
Change-Id: I1f5407264fc4f209456ffcb73d7853ff315aab86
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The BSC-located PCU case looks to the PCU like a BTS-located PCU with
"direct PHY" access, i.e. the data related primitives are communicated
from the PCU directly towards the TRAU Frames or whatever transport
method is used between CCU and PCU.
In order to make the PCU believe that, we need to pass in a 'layer 1
handle'. As we don't use it, we can just pass any non-zero value and be
happy.
Change-Id: I8170bd4134904702b6b272e496100361ba473cbc
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Change-Id: I28bf0995699618f3f5fa15fc8e1733beddfc482f
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Change-Id: I602b581fab67b3a1c3c03c73a3a99e9afd564e29
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Change-Id: I5ea506c8240dac124ccf5522d02ba18e4f0cb90d
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Adds a basic version of a pcu socket interface, similar
to the one that can be found in osmo-bts.
Change-Id: Ib13cb4099d12fa71e9e0b8727e19ab29e11909b2
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Improve debug log output of input callbacks by adding a line containing
the signal event name.
Change-Id: Ifca46dd8b356d0de31cccbd79e406079d3a0d7d2
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Request BTS attributes via OML on connection and parse the response:
request/parse incoming response as sw-config.
Note: only basic BTS-wide KV attributes wrapped in sw-config are
supported for now.
Change-Id: I589be51daca0cb9e1f3473b93e910e46b06e23ae
Related: OS#1614
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Previously only the existance of bts->si_common.si2quater_neigh_list was
checked but not the actual number of EARFCNs in it. Fix it by using
si2q_earfcn_count() and adjust tests accordingly. While at it - reformat
tests to include extra information.
The correctness was checked manually by inspecting GSMTAP output.
Change-Id: Ic4fb2a9e870db66cac58b1e8d113587b30d64ce2
Related: RT#8792
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In preparation for extended SI2q messages:
* add SI2q-specific accessor macro
* add *_offset variables to gsm_bts struct
* internalize memory check while generating rest octets - introduce
budget concept (number of bits available in a given message)
* internalize *arfcn_size() functions as they are not needed outside of
si2q_num() anymore
* change rest octets generation to work with gsm_bts struct directly
* do not generate rest octets if no SI2q is necessary
* adjust unit tests accordingly (cosmetic changes only to avoid
regressions)
Requires: I92e12e91605bdab9916a3f665705287572434f74 in libosmocore
Change-Id: Ib554cf7ffc949a321571e1ae2ada1160e1b35fa6
Related: RT#8792
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* use define for number of attributes instead of magic number
* add sub_model to gsm_bts struct
* expand number of BTS features
* mark attributes parameter to abis_nm_get_attr() as const
Change-Id: I7ecb0c4339530d3a8354a2f94b34063dda87e030
Related: OS#1614
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Use new function available in libosmocore to set up timers. Compile
tested only.
Change-Id: Ibcfd915688e97d370a888888a83a7c95cbe16819
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* move value_string definition and corresponding functions for BTS type
to shared header to make it re-usable by OsmoBTS
* use consistent function naming
* add similar functions for BTS variant
* add enum to be used by OML Attribute Reporting to distinguish between
type, variant and other info
Change-Id: Ida94725a6fce968443541e3526f48f13758031fd
Related: OS#1614
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Requires libosmocore with Ib63b6b5e83b8914864fc7edd789f8958cdc993cd.
Change-Id: Ib94db414e94a2a1f234ac6f1cb346dca1c7a8be3
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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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When BTS reports PCU disconnect - clear it.
Change-Id: Idb32c73036413ee912f633604150ee17b611cfa7
Related: OS#1615
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* set proper flag when saving MS Timing Offset
* use gsm_subscriber's IMSI or lchan's name if bsc_subscriber is unknown
* add comments with spec reference
* store/display MS Timing Offset instead of raw Timing Offset field from
RSL
* Compute MS Timing Offset [-63; 192] from Timing Offset field [0; 255],
adjust structure gsm_meas_rep with proper type to store it
Change-Id: I7e003d23a6edb714c5f17688fd6a8edac131161d
Related: OS#1574
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* add version string to gsm_bts
* add PCU version string to gsm_bts
* rename GSM_BTS_TYPE_OSMO_SYSMO -> GSM_BTS_OSMOBTS to avoid confusion
between BTS model and variant
* add variant enum to gsm_bts_model using enum with variants for each
hw vendor of OsmoBTS
* show connected PCU version (if available) in vty via 'show bts'
This will come in handy when logging details regarding particular BTS
reported via OML, see:
Related: OS#1614
Change-Id: I6710d53115f34634a7b70969cc05fd5c72ff8ab2
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Log expected ACK messages and unhandled messages to aid in
troubleshooting.
Change-Id: Id3afaaa76e24f63076ae0e6fd2322e4a7fa29b45
Related: OS#1614
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This option allows to enable or disable TCH/F allocation on the
TCH/F_TCH/H_PDCH timeslots. Until now, source code modification
was required to enable this feature.
Related: OS#1778
Change-Id: Id18cab25844dc854a66b4e2713e90c3f43afa712
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Explicitly check for and log PCU version received from BTS via OML alert
message.
Change-Id: I3c88663d4e2887a4038b4c3f1387128295b8934e
Related: OS#1614
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message
ericsson can handle a reference at the end of a imm assign command which is used in
the confirm response. The confirm response is only sent if the trailer is present.
Change-Id: I88560291b5a3a3d7a0bac4d3c089b45f1f6b297f
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Change-Id: I66541f9b20e7fd67fbec329283fc3c821c970a56
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This seems to be mandatory when an Ericsson RBS2000 uses a SuperChannel
as back-haul.
Change-Id: I793e7d62df1ca9f9c38d39e22d3868064d446c8d
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Also set MO FSMs to NULL after freeing them.
Change-Id: I30df0b9ab8bc47ba9756c8388e977deed0e40200
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When the BTS is configured to use a SuperChannel and it is using a
unix domain socket based transport towards the L2TP daemon, then
we must instruct the L2TP daemon to instruct the SIU to change the Abis
Lower Transport Mode using the ALTCRQ / ALTCRP L2TP signalling.
Change-Id: I672bfaa09c42fbeb0c8459f24b2222b952de954b
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