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Remove the separation of half-rate and full-rate AMR. The used rate
can be found inside the AMR payload. The signalling of what kind of
traffic channel is used can be done with the GSM 08.08 Chosen
Channel IE in the Assignment Complete message.
This way I can use a fixed payload type in the MGCP GateWay but
have a mixed TCH/F and TCH/H config. E.g. use TCH/F FR3 for some
subscribers when connected to MSC A but use AMR5.9 on a TCH/F for
MSC B when all TCH/Hs are gone.
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The MGCP config must be correct and use 99 for RTP AMR.
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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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This patch modifies openBSC code to use msg->dst which stores the
pointer to the signalling link structure instead of the pointer to
the transceiver structure.
This patch prepares the introduction of libosmo-abis.
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It is possible that MNCC sends a MNCC_LCHAN_MODIFY and
wants a channel mode that is not possible on the current
lchan, in that case a new channel is assigned. We now crash
as the osmo-nitb is not having an assignment complete handler,
add a NULL check.
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I'm not sure if that is an abnormal condition or not, but it seems
that lchan state and type have to be none for the lchan to be
considered idle.
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The Nokia metrosite BTS seem to keep the channels open indefinitely.
If osmo-nitb is restarted while one of the channel was still active
and tries to activate that channel again the bts would return a
CHANNEL ACTIVATE NACK with "Radio channel already activated". This
accumulated over the restarts so soon enough no more channels were
available.
This patch sends a release request to the bts so the channel
becomes available again.
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This makes sure that the lchans can be used again. (state and type
are set to NONE)
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The function lchan_alloc only considers lchans to be available if both
the type and state are NONE. So change show lchan to list all lchans
that are not considered available.
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The timer callback will simply reset the lchan state to NONE in order
to prevent channels getting stuck in 'activation requested' or
'deactivation requested' states.
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This is one step in the direction of supporting multiple Nokia BTS
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Running the entire bts_nokia_site.c through the 'Lindent' script
to match indent/coding style with remainder of project.
There are still lots of other cleanups pending, but this one is
a purely cosmetic one.
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This includes the MetroSite, but also other Nokia BTS models.
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This fixes a bug introduced more than one year ago in commit
e38bd6caa34005816a9336f021fd17d328d5c901:
The RSL_IE_CHAN_IDENT is a TLV, but the GSM48_IE_CHANDESC_2 contained in
it, is a mere TV type IE with fixed length.
The problem specifically has caused problems on Nokia MetroSite BTS,
which apparently read the TSC out of this Layer3 IE.
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We had the rf_ctrl_name and the rf_ctl pointer, make both use
the word ctrl.
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Reset the BTS MO State on BTS bootstrap. This way we will always
test the BTS disconnect/reconnect case of the BTS.
Do not reset the administrative state of objects. The BSC might
have set these and wants to maintain them across disconnect/
reconnect. Right now this is true for the TRX state.
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/home/laforge/projects/git/openbsc/openbsc/src/libbsc/bsc_vty.c +1062
show_e1ts(25) warn: variable dereferenced before check 'line'
/home/laforge/projects/git/openbsc/openbsc/src/libbsc/bsc_vty.c +1075
show_e1ts(38) warn: buffer overflow 'line->ts' 32 <= 32
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Detected by Smatch
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When we loose the A-bis link, we should properly re-set the
administrative, operational and availability state of all MOs
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This reverts commit 8b65ab9d9133efe53a058733d492ac0595040fb4, which
should never have been committed to master. In fact, it is not even
needed anymore with recent osmo-bts code.
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... this way osmo-bts can use them
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Do not commit this to master. It disables a non-standard IE in the BTS
attributes.
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This facilitates the use of gsm_data.c from osmo-bts
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This allows us to configure a TSC for each timeslot, not just one globally for
the entire BTS.
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... as a common wrapper around nm_attr and nm_state
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Remove the forward declarations for functions and structs
that have been moved to libosmocore.
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This syncs openbsc.git with libosmocore.git commit rev
11c7193ad8ceb4f3898799dc44b700b8b93a59b8
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This brings openbsc in sync with the following libosmocore commit:
b5503136fa234690d5493b19a8aee3a4ef74190d
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we want get_string_value(), not the equivalent of get_value_string()
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Thanks to Holger for noticing this.
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