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Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
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We don't want every caller to check for ts->tsc == -1 and then
using ts->trx->bts->tsc instead. Rather, introduce a new inline
function to retrieve the correct value.
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We introduce a new feature indicating if the given BTS model
supports a TSC that is different from the BCC (lower 3 bits of BSIC).
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The iPhone5 (US) appears to have some issues with the SIs generated,
or the nanoBTS is not sending them correctly.
Add a configurable hack to put all bands into the SI2/SI5 message.
It is enabled by the bts VTY command 'force-combined-si'.
This is a quick change without much reflection and watching for side
effects. I have verfied that a network with ARFCN 134 and neighbors
ARFCN 130 and 512 do not get generate the SI2ter and announce everything
inside the SI2.
This patch is conceptually based on 'si: Add a hack to disable
SI2ter/SI2bis/SI5ter/SI5bis messages' (692daaf2d2).
Ticket: OW#1062
Sponsored-by: On-Waves ehf
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Speech codings which are not supported by BTS will be removed from the
bearer capability information element after parsing. This way it is not
required for the MNCC application to consider support of each BTS.
Only GSM full rate is supported by default.
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This option is a workarround for a bug found in Nokia InSite BTS firmware
version 3.0.0. There is no RELease CONFirm message for local end release.
Nokia MetroSite with firmware version 4.178.16 is not affected.
TS 04.06 Chapter 5.4.4.4 "Local end release procedure" states that a
confirm must be sent by layer 2 when receiving a local end release
request.
In order to correctly switch a channel (handover or assignment), local
end release is required.
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GSM 12.21 specifies that "No elementary procedure shall be
initiated to an object instance which has not yet replied to
a previously initiated elementary procedure with a response,
an ACK or a NACK within a layer 3 time-out. The layer 3
timeout for ACK, NACK and responses shall have a default value
of 10 seconds."
We are using this flag in the BTS to enforce/safe-guard
this situation.
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When the PCU is activating a channel we don't want to tell the
BSC using RSL. Add a flag so we can keep track of who asked for
the activation/release of the channel.
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This adds in-place patching of the time information in the
MM INFORMATION message. The timezone in the 'Local time zone' and
the 'Universal time and local time zone' information elements
and the offset in the 'Network Daylight Saving Time' information
element are optionally set.
The new values are determined by the 'timezone' vty command in the
config_net_bts node. That command is extended by an optional
DST offset parameter.
Tests are provided for the vty part and for the plain
bsc_scan_msc_msg() function.
Sponsored-by: On-Waves ehf
Ticket: OW#978
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The support has been implemented for an old model, we were told that
newer versions would be made incompatible with OpenBSC. Ther are
various warnings in the code and coverity has found some new ones.
Just remove the code as we don't know of anyone using this code.
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The sysmobts is now having a SAPI queue with all pending SAPI operations
on the BTS. Add the llist_head to the lchan and make sure it is initialized
by the shared code.
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In order to enable GPRS downlink measurements at mobile, the
network-control-order must be set to nc1.
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This patch adds a new VTY command "ip.access rsl-ip A.B.C.D" at the
BTS level. If you set this IP address, the BTS will be instructed to
establish the RSL link to the indiciated IP address, rather than using
the same as for the OML link (default).
Use "ip.access rsl-ip 0" to disable the feature.
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Some BTS might be in locations where they can run all the time,
allow to exclude them from the global lock handling.
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For now we need to keep the sacch_deact in OpenBSC as we couldn't get
the new activation/de-activation code working.
This reverts commit 0c282f52684ac033e20ab411ab206e8559d564c9.
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T3109 is started when the SACCH is deactivated. It is stopped when
the phones sends the DISC/UA/UM on LAPDm for the main signalling
link. In case of timeout the abnormal release procedure will be
initiated. Make sure to not issue the SACCH Deactivate twice to
avoid confusing the equipment.
This is still not fully spec compliant. In case of a timeout the
abnormal release handling will be started which involves starting
T3111+2. The error handling should be split out of the rf channel
release method, e.g. lchan_release should be called and check if
the channel release was already initiated.
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If the CHAN ACTIV is NACKED we set the state backto NONE. This is
problematic as our channel allocator will allocate from the front
or from the back and if the channel is early in the list it might
cause permanent failures. Introduce a BROKEN state and use it when
the channel activation is failing for an unknown reason. Copy the
cause so it can be inspected later.
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* Release all channels with SAPI > 0 with the "local end release"
(as of NOTE 1 of GSM 04.08).
* No need to wait for all SAPIs to be torn down and the normal
REL_IND/REL_CONF will call rsl_handle_release and the channel
should be released.
* Update the documentation
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The API with 0 and 1 as legal values is hard to understand. Use the
recently introduced enum values instead.
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Include the LAPDm header file so the size of struct lapdm_channel
is known and gsm_data_shared.h can be included by itself.
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We now have a lchan->csd_mode member that determines if RSL should
activate the channel in CSD transparent services or not. The previous
code always assumed CSD is non-transparent.
(This requires libosmocore >= eed26116c96f03c6128fac3dead9054714af6cab)
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this uses vty_cmd_string_from_valstr() from _very_ recent libosmocore,
so you have to update the library, sorry.
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Group all three structure members involved in bts-specific timezone
handling into a sub-structure.
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so far, osmo-bts/sysmobts used to be entered as "sysmobts" type in the
configuration file. However, there are some differences in the
protocol/behaviour and we should reflect that by a new BTS plugin (with
lots of code reuse from the nanobts driver).
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this is primarily needed on the BTS side, but we should also use it on
the BSC side and make the parameters VTY-configurable.
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Call the channel by the right name.
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We want to have multiple MSCs but we also have some data
that is only present on a per BSC basis. Right now the
MSC data is not allocated with talloc, so we have some
change in the talloc contexts.
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Use unsigned ints for the bitfield.
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Use the name of GSM 08.58 for the release mode.
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The UTC offset from the operating system will be used by default to
calculate the NITZ in MM INFO. However, a "timezone" vty command is
added at the BTS level, allowing BTS-specific overrides, e.g. in case
BTSs are distributed accross multiple timezones.
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do_reset was not initialized anywhere anymore, so the reset was never
triggered. It's now fixed and we add an option to skip it in the
config so that when in production, you can restart without config
changes quickly.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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gsm_data_shared.h references structures defined in abis/e1_input.h
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Move the regexp parsing code from the NAT to libcommon as it will
be used by the NAT and BSC code. This also adds the #include <regex.h>
include to gsm_data. This header should be split up.
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This is a big patch that ports openBSC over libosmo-abis.
Sorry, the changes that are included here are all dependent
of libosmo-abis, splitting them into smaller pieces would
leave the repository in some intermediate state, which is
not desired.
The main changes are:
- The directory libabis/ has been removed as it now lives in
libosmo-abis.
- new configuration file format for nanoBTS and HSL femto, we
need to define the virtual e1_line and attach it to the OML
link.
- all the existing BTS drivers (nanoBTS, hsl femto, Nokia site,
BS11 and rbs2000) now use the new libosmo-abis framework.
- use r232 input driver available in libosmo-abis for bs11_config.
- use ipa_msg_recv instead of old ipaccess_read_msg function.
- delete definition of gsm_e1_subslot and input_signal_data.
These structures now lives in libosmo-abis.
Most of this patch are deletions of libabis/ which has been
moved to libosmo-abis.
This patch also modifies openBSC to use all the new definitions
available in libosmocore and libosmo-abis. In order to do that,
we have replaced the following:
- DINP, DMI, DMIB and DMUX by their respective DL* correspondences.
- SS_GLOBAL by SS_L_GLOBAL
- SS_INPUT by SS_L_INPUT
- S_GLOBAL_SHUTDOWN by S_L_GLOBAL_SHUTDOWN
- SS_INPUT by SS_L_INPUT
- S_INP_* by S_L_INP_* sub-signals
- E1INP_NODE by L_E1INP_NODE vty node
This patch has been tested with:
- one nanoBTS
- the HSL femto with the examples available under libosmo-abis
- BS11 with both dahdi and misdn drivers.
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