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Many hardware parameters of the LC 1.5 were not exposed to the user.
This patchset introduces most of the features, being very similar
to osmo-bts-oc2g code. Try 2.
Change-Id: Ib16e7d423fc7030573acd86fbd356ae96697ed5d
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When a NOPE indication is received from the TRX normally a separate
handler (.nope_fn) is called. It turned out that calling the Uplink
handler (.ul_fn) on NOPE indications is the usual case, so let's
remove the .nope_fn member and call the Uplink handler directly.
Since a NOPE.ind comes without burst bits, the Uplink handlers must
check bi->burst_len to avoid uninitialized memory access. For some
logical channels (in particular RACH, PDTCH/U, and PTCCH/U) it does
not make sense to call the Uplink handler, so we ignore them.
Change-Id: Ice45d5986610d9bcef2a7e41f0a395ec779e3928
Related: OS#4461
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This can be used to determine the multicast TTL packet and hence
how far the packet will propagate in the network. If you want to
operate the virtual Um only on your own machine, a TTL of 0 would
prevent the packets from ever being transmitted on your local
ethernet segment.
Change-Id: I18a9f93b764aee4e1dc68a1c6ac4d078e52ca61d
Related: OS#2966
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Related: OS#4438
Depends: libosmo-abis I41603db8c1286660ad57ac1c78a8fb393a2b080b
Change-Id: Icdef5d40243fefdeae23f3bcf9c6702e8487928a
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For osmo-bts-sysmo the MPH INFO MEAS IND indication is still sent
separately. Lets merge the measurement information into the PH DATA
Change-Id: Iffe7865727fbf9bca8eb32a96e8ea05cf718a948
Related: OS#2977
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The MPH INFO MEAS IND indication, which contains the uplink measurement
data is sent in parallel to the PH DATA and TCH indications as a
separate indications. This makes the overall uplink measurement data
processing unnecessarly complex. So lets put the data that is relevant
for measurement into the PH DATA and TCH indications directly.
This change only affects osmo-bts-trx at the moment. In order to keep
the upper layers (l1sap.c) compatible we add an autodection to switch
between separate measurement indications and included measurement data.
Related: OS#2977
Depends: libosmocore I2c34b02d329f9df190c5035c396403ca0a4f9c42
Change-Id: I710d0b7cf193afa8515807836ee69b8b7db84a84
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The timing advance controller that is implemented in loops.c of
osmo-bts-trx only works for osmo-bts-trx and not for any of the phy
based bts. Lets move the timing advance controller into the common part
and make it available for every bts. Also lets add a unit-test.
Change-Id: If7ddf74db3abc9b9872abe620a0aeebe3327e70a
Related: SYS#4567
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osmo-bts currently does not generate a measurement report in case the
SACCH of the related traffic channel is lost. This is a problem because
the moment when reception gets bad measurmenet reporting is crucial to
carry out handover decisions effectively.
The presence of a SACCH block controls the conclusion of the measurement
interval and the sending of the RSL measurement report. The latter one
not only requires a measurmenet indication, it also requires a fully
intact SACCH block.
Lets use the NOPE / IDLE indications from V1 of the TRXD protocol to
ensure a SACCH block is always reported up to l1sap.c. In cases where
the SACCH is bad, trigger the sending of the RSL measurement report
manually without attaching the measurmenet data from the MS (which we do
not have in this case)
Related: OS#2975
Depends: osmo-ttcn3-hacks Ib2f511991349ab15e02db9c5e45f0df3645835a4
Change-Id: Idfa8ef94e8cf131ff234dac8f93f337051663ae2
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Let's drop it instead of having code duplication from common code in a
lower layer, and maintain only the one in l1sap for all BTS models.
As a result, osmo-bts-trx loses feature BTS_FEAT_MS_PWR_CTRL_DSP and
will only be able to use "ms-power-control osmo" in VTY, which will be
enabled by default (meaning: change of behavior, now MS Power Control is
enabled by default in osmo-bts-trx and can only by disabled by BSC).
Old bts-trx specific VTY command "(no) osmotrx ms-power-loop" is marked
as deprecated but still working for more usual case (1 TRX configured)
to avoid breaking backward compatibility.
TA low level loop is still kept in loops.c and will be moved to l1sap at
some point too.
Related: OS#1851
Change-Id: I0d8b0c981d9ead91d93999df6e45fb06e426aeb9
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Since there can be multiple PDCH channels configured on different
timeslots, different TRXes, and BTSes, the PTCCH/U handling code
in OsmoPCU needs to know the exact origin of a given RACH.ind.
Otherwise, it is not known which subscriber originated a given
PTCCH/U indication, and hence it is impossible to send PTCCH/D
Timing Advance notification properly.
Fortunately, we can extend the RACH.ind message without even
bumping the protocol version, because every single PDU has a
fixed size defined by the largest message - INFO.ind. In case
if the actual message payload is smaller, the rest is filled
with a constant padding byte (0x00).
Older versions of OsmoPCU will consider the new fields as padding,
while the messages from older OsmoBTS versions will always have
both fields set to 0x00. Since C0/TS0 cannot be configured to
PDCH, this can be easily detected on the other end.
Change-Id: Iff38934a108b6b1cd298669834263a7d5296c3f6
Related: OS#4102, OS#1545
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calculations
Use instead the received MS Power currently in use by the MS matching
the measured signal. This way there's no need to wait for the MS to
reach the announced MS power level or add checks in case the MS doesn't
support that specific power level. Furthermore, more fine grained
announced power level value can be obtained faster due to more input
iterations not being dropped while waiting.
osmo-bts-trx specific algo was not following this approach and using
announced MS power instead because it's wowrking at a lower level and
henche was not using the transmitted MS Power level value by the MS as
input for the calculation.
The "if (diff < 2 && diff > -2))" condition is dropped since equal
signal strength may still result in a different MS power level announced
(the one currently used by the MS during tx of last SACCH block).
Related: OS#1851
Change-Id: I4494dc27a295a3dca1d3331d4ff712d486643e13
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Each logical channel can now optionally have an additional handler,
that will be called when a NOPE / IDLE indication is received from
the transceiver. The aim of that handler is to keep the logical
channel state updated in case if one or more Uplink bursts are lost.
Change-Id: I71c552f44c25e56e9779d8b8ef5d4de9f8475637
Related: OS#3428
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It indicates whether BTS model supports managing an MS Power Control
Loop over HW/DSP instead of using the software based osmocom algorithm
present in osmo-bts.
osmo-bts-trx own loop implementation is considered to be a "DSP/HW" one
since it acts on lower layers and interferes with osmocom algorithm
since it controls the same end variable "lchan->ms_power_ctrl.current",
this way we make sure both aren't enabled at the same time.
Old behavior in kept: if common upper-layer algo is not enabled
explicitly in VTY (ms-power-control osmo) and bts-trx specific lower
layer algo is neither enabled (osmotrx ms-power-loop <xyz>), then no
power control is done at all.
Related: OS#1851
Change-Id: I49706926b1e962b18791174627bc3cc0cd0cd9d5
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Power Level
Related: OS#1851
Change-Id: I1a9c00fe4eb3fa1eaa7997a9ec20716ddfe180a7
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Make it clear that it contains the maximum MS power level (TS 05.05) and
not the one to be used. The one aimed at is in ms_power_ctrl.current.
Since it's used in related code, move it inside the ms_power_ctrl struct
too.
Related: OS#1851
Change-Id: Ib264ec7dac87355cef6415461ed74bd8e9c8ca52
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Change-Id: I715ef151b67a21e325c574585a257e71b4b0ce2a
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Thies field is used to store and retrieve whether MS power needs to be
calculated and updated by osmo-bts software or autonomously by lower
layers. Previous name was not clear
and may have been understood as indicating whether MS Power Control loop
is done or not in general, and the responsible for that is located under
lchan's ms_power_ctrl.fixed.
Related: OS#1851
Change-Id: Ic690ab69866a7377f1597e24aa7b0214831c1cbe
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Change-Id: I403b9029f57fec3fdec2c1e2cbeac0f6eab53f24
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Before this patch, if due to whatever reason the TRX started fine (RSP
POWERON 0) and sockets were created but no CLOCK IND was ever received
by the BTS, it wouldn't notice since the timerfd timeouts
(bts_shutdown("no clock")) are only checked after the first CLOCK IND is
sent by the TRX.
As a result, the BTS would be kept on forever saying everything is fine
but it would be sending no DL burst at all to the TRX (tested with a
modfied osmo-trx dropping clock indication).
With this patch, new APIs are added to indicate the scheduler_trx code
the timeframes where clock ind are expected (between RSP POWERON 0 and
RSP POWEROFF 0); if TRX sends clock indications out of that timeframe,
BTs lower layers will drop them (controlled by "powered" bool).
Hence, the scheduler_trx can now place a timeout (reusing same timerfd
because its new use is exclusive in time with its other previous use)
when it is told that CLOCK IND should start appearing, and if none
arrives in considerable time, then the BTS can be shut down to notify
the rest of the network.
Related: OS#4215
Change-Id: Iba5dbe867aff10e70ec73dbf1f7aeeecb15c0a4d
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Add a new common L1 SAPI enum, to unify all the BTS specific SAPIs.
Translate to this enum, and set the context for uplink messages in
each BTS specific implementation.
Set the context for downlink messages in the common l1sap code, by
converting the osmo_phsap_prim back to the SAPI value (mostly looking at
chan_nr). The new functions for doing this conversion,
get_common_sapi_by_trx_prim() and get_common_sapi_ph_data(), are based
on the existing to_gsmtap() and gsmtap_ph_data() functions.
Note that we can't set the uplink SAPI context in the common code,
because then we can't set it as early as possible. In this patch, the
SAPI context is set for the PHYs where the SAPI is readily available.
With additional conversion from the RSL channel, the SAPI context could
be set for osmo-bts-trx in a follow up patch.
Related: OS#2356
Depends: (libosmocore) I814cb3328d99faca9220adb5a80ffb934f219d7d
Change-Id: I6b7bb2e1d61502b61214f854a4ec5cbb7267545b
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Currently we don't distinguish between CBCH on BCCH+SDCCH/4 and
CBCH on SDCCH/8, but in libosmogsm we have two independent
(non-standard) RSL channel number values for them. Maybe some day
we will, so let's extend the definition of L1SAP_IS_CHAN_CBCH.
Change-Id: I2f6d501a29edaf89dfb17d5d64f930cdb1943630
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Change-Id: I2708b5d5bb6b92f90766ac752bafd28cff2549b0
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Use of variables in each code is confusing and mixing configuration with
POWERON/POWEROFF state (which is at least per phy inst and not per TRX,
since those commands are only expected on the 1st phy inst).
* field "poweron" becomes "enabled", and is used as an indicator for
actions to take during TRX provisioning (hether to power it on and
configure it or to power it off).
* poweron/poweroff state becomes "powered", and it is shared by all trx
in same phy_link, and is updated only after confirmation by TRX.
* poweron_set becomes poweronoff_set (because it's used by both POWERON
and POWEROFF), and becomes shared by all trx in same phy_link, since
those CMDs are usually sent by first phy instance of the link (the first
trx).
Related: OS#4215
Change-Id: Icd0b482f1454236432e1952220bbec9d178b8607
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Change-Id: I8e49f8edad9f9c68d110dbb7faeea5143aa91022
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Currently there's bts-virtual specific fields in gsm_bts which is not used
by other models and are always allocated.
An alternative would be having a union with different structs inside,
one per model, but since we already have the bts_model abstraction, in this
case it makes more sense to use that abstraction instead of filling code
with preprocessor ifdefs to guard against non-defined types, etc.
Existing model specific data is moved there.
This new infra will be user further in forthcoming commits.
Related: OS#4215
Change-Id: Ib17a752cdbaa7d5eb8c5dfa0b197f80a4f38b38e
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According to 3GPP TS 45.010, section 5.6.2, for packet-switched
channels the BTS shall monitor the delay of the Access Bursts
sent by the MS on PTCCH and respond with timing advance values
for all MS performing the procedure on that PDCH.
According to 3GPP TS 45.002, section 3.3.4.2, PTCCH (Packet Timing
advance control channel) is a packet dedicated channel, that is
used for continuous Timing Advance control (mentioned above).
There are two sub-types of that logical channel:
- PTCCH/U (Uplink): used to transmit random Access Bursts
to allow estimation of the Timing Advance for one MS in
packet transfer mode.
- PTCCH/D (Downlink): used by the network to transmit
Timing Advance updates for several MS.
As per 3GPP TS 45.003, section 5.2, the coding scheme used for
PTCCH/U is the same as for PRACH as specified in subclause 5.3,
while the coding scheme used for PTCCH/D is the same as for
CS-1 as specified in subclause 5.1.1.
The way we used to handle both PTCCH/U and PTCCH/D is absolutely
wrong - they have nothing to do with xCCH coding. Instead, we
need to use tx_pdtch_fn() for Downlink and rx_rach_fn() for Uplink.
In l1sap_ph_rach_ind() we need to check if an Access Burst was
received on PTCCH/U and forward it to OsmoPCU with proper SAPI
value (PCU_IF_SAPI_PTCCH). To be able to specify a SAPI, a new
parameter is introduced to pcu_tx_rach_ind().
Change-Id: I232e5f514fbad2c51daaa59ff516004aba97c8a3
Related: OS#4102
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Change-Id: I4d06e1cdea5970cbb493f29980b1c04e01c0e8a4
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libosmocodec has recently introduced a generic ECU abstraction layer
which supports (pluggable) Error Concealment Units for not only the
FR codec, but potentially any other codec, too.
Change-Id: I001005aae6de76d4e045b8dc572239f057bb150d
Depends: libosmocore I4d33c9c7c2d4c7462ff38a49c178b65accae1915
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All MS/UE must be notified of ETWS Primary Notifiations.
Depending on their state, the notification goes different paths:
* CS dedicated mode: BSC sends it as L3 message over LAPDm / DCCH
* CS/PS idle mode: BTS sends paging messages on PCH
* PS TBF active: PCU send Packet Application Info
This enables the last of the three methods by passing any
ETWS Primary Notifications received over RSL via the PCU socket into
the PCU.
Change-Id: Ic0b3f38b400a0ca7e4089061ceb6548b0695faa6
Related: OS#4047, OS#4048
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The ETWS (Earthquake and Tsunami Warning System) uses a so-called
ETWS Primary Notification which is sent
* to phones in dedicated mode (via DCCH from the BSC)
* to phones in idle mode (via P1 Rest Octets on PCH/CCCH)
This patch implements the second part of the functionality, i.e.
transmitting the related ETWS Primary Notification via PCH. As
3GPP doesn't specify how this is communicated over Abis, we use
a new, vendor-specific RSL message type.
Closes: OS#4047
Depends: libosmocore I89c24a81ada6627694a9632e87485a61cbd3e680
Depends: libosmocore I36fc2ffc22728887d1cb8768c7fcd9739a8ec0fc
Change-Id: I18c60cdb86b9c19e09f5ec06d66e9b91608880e6
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Since March 15th 2017, libosmocore API logging_vty_add_cmds() had its
parameter removed (c65c5b4ea075ef6cef11fff9442ae0b15c1d6af7). However,
definition in C file doesn't contain "(void)", which means number of
parameters is undefined and thus compiler doesn't complain. Let's remove
parameters from all callers before enforcing "(void)" on it.
API osmo_stats_vty_add_cmds never had a param list but has seem problem
(no "void"), so some users decided to pass a parameter to it.
Change-Id: Ia4d1a7914308d1481fe31fe0986265ead339e61e
Related: OS#4138
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This command allows setting a maximum TRXD format version to negotiate
with TRX. osmo-bts-trx will hence end up using that version if supported
by TRX, or a lower one otherwise (or fail if TRX doesn't support any of
them).
Since now the maximum version can be 0, avoid going through SETFORMAT
negotiation in that case, since 0 is the default version. This way we
keep backward compatibility with TRX implementations that exit upon
receival of unknown commands (such as SC5 current one).
The VTY command is located in the "phy" node instead of the "phy
instance" node because instances of same phy are expected to use same
host with same implementation, so TRXD version to use should be the same
for both.
Related: OS#4006
Change-Id: I5eb1fdc002f9d7f4acf475356d8fc998dc8f6326
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The radio link quality is defined by C/I (Carrier-to-Interference
ratio), which is computed from the training sequence of each
received burst, by comparing the "ideal" training sequence with
the actual (received) one.
Link quality measurements are used by L1SAP to filter out "ghost"
Access Bursts, and by the link quality adaptation algorithms. One
can define minimum link quality values using the VTY interface.
On the VTY interface we expect integer C/I values in centiBels
(cB, 10e-2 B), while the internal structures are using float
values in deciBels (dB, 10e-1 B). Some PHYs (sysmo, octphy,
oc2g, and litecell15) expose C/I measurements in deciBels,
while on the L1SAP interface we finally send then in centiBels.
Let's avoid this confusion and stick to a single format, that
will be used by the internal logic of OsmoBTS - integer values
(int16_t) in centiBels. This will give us the range of:
-32768 .. 32767 centiBels, or
-3276.8 .. 3276.7 deciBels,
which is certainly sufficient.
Change-Id: If624d6fdc0270e6813af8700d95f1345903c8a01
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C/I (Carrier-to-Interference ratio) is a value in cB (centiBels),
computed from the training sequence of each received burst,
by comparing the "ideal" training sequence with the actual one.
So far, there was no way to expose more measurements from OsmoTRX,
excluding both RSSI and ToA. Since the new version of TRXD header,
we can receive C/I indications and send the averaged (per 4 bursts)
values to OsmoPCU (as a part of PCUIF_DATA.ind).
Please note that we also need to attach C/I measurements
to the following L1SAP primitives:
- PRIM_PH_RACH.ind,
- PRIM_PH_DATA.ind,
- PRIM_TCH.ind,
but this will be done in the follow up changes.
Change-Id: Ia58043bd2381a4d34d604522e02899ae64ee0d26
Fixes: OS#1855
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This change needs to be done in order avoid adding more and more
arguments to the UL logical channel handlers (such as rx_rach_fn).
Since we have different versions of the TRXD header, and may have
other burst-based PHYs in the future, some fields of an Uplink
burst indication have conditional presence.
Change-Id: Iae6b78bafa4b86d0c681684de47320d641d3f7c0
Related: OS#4006, OS#1855
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The new version adds the following fields to the TRX2L1 message,
keeping the L12TRX message unchanged:
+------+-----+-----+-----+--------------------+
| RSSI | ToA | MTS | C/I | soft-bits (254..0) |
+------+-----+-----+-----+--------------------+
- MTS (1 octet) - Modulation and Training Sequence info, and
- C/I (2 octets) - Carrier-to-Interference ratio (big endian).
== Coding of MTS: Modulation and Training Sequence info
3GPP TS 45.002 version 15.1.0 defines several modulation types,
and a few sets of training sequences for each type. The most
common are GMSK and 8-PSK (which is used in EDGE).
+-----------------+---------------------------------------+
| 7 6 5 4 3 2 1 0 | bit numbers (value range) |
+-----------------+---------------------------------------+
| . . . . . X X X | Training Sequence Code (0..7) |
+-----------------+---------------------------------------+
| . X X X X . . . | Modulation, TS set number (see below) |
+-----------------+---------------------------------------+
| X . . . . . . . | IDLE / nope frame indication (0 or 1) |
+-----------------+---------------------------------------+
The bit number 7 (MSB) is set to high when either nothing has been
detected, or during IDLE frames, so we can deliver noise levels,
and avoid clock gaps on the L1 side. Other bits are ignored,
and should be set to low (0) in this case.
== Coding of modulation and TS set number
GMSK has 4 sets of training sequences (see tables 5.2.3a-d),
while 8-PSK (see tables 5.2.3f-g) and the others have 2 sets.
Access and Synchronization bursts also have several synch.
sequences.
+-----------------+---------------------------------------+
| 7 6 5 4 3 2 1 0 | bit numbers (value range) |
+-----------------+---------------------------------------+
| . 0 0 X X . . . | GMSK, 4 TS sets (0..3) |
+-----------------+---------------------------------------+
| . 0 1 0 X . . . | 8-PSK, 2 TS sets (0..1) |
+-----------------+---------------------------------------+
| . 0 1 1 X . . . | AQPSK, 2 TS sets (0..1) |
+-----------------+---------------------------------------+
| . 1 0 0 X . . . | 16QAM, 2 TS sets (0..1) |
+-----------------+---------------------------------------+
| . 1 0 1 X . . . | 32QAM, 2 TS sets (0..1) |
+-----------------+---------------------------------------+
| . 1 1 1 X . . . | RESERVED (0) |
+-----------------+---------------------------------------+
== C/I: Carrier-to-Interference ratio
The C/I value is computed from the training sequence of each burst,
where we can compare the "ideal" training sequence with the actual
training sequence, and then express that difference in centiBels.
== Limitations
- The only supported modulation types are GMSK and 8-PSK.
Messages with other modulation types will be rejected.
- IDLE / NOPE indications are not (yet) handled.
- The logical channel handlers do not (yet) handle optional
fields, such as TSC and C/I. This will be implemented
in the follow-up changes.
Change-Id: If61c71d20d590bf07bfd019afb33000a0b6135bd
Related: OS#4006
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It may be necessary to extend the message specific header with
more information. Since this is not a TLV-based protocol, we
need to include the header format version.
+-----------------+---------------------------+
| 7 6 5 4 3 2 1 0 | bit numbers (value range) |
+-----------------+---------------------------+
| X X X X . . . . | header version (0..15) |
+-----------------+---------------------------+
| . . . . . X X X | TDMA TN (0..7) |
+-----------------+---------------------------+
| . . . . X . . . | RESERVED (0) |
+-----------------+---------------------------+
Instead of prepending an additional byte, it was decided to use
4 MSB bits of the first octet, which used to be zero-initialized
due to the value range of TDMA TN (0..7). Therefore the current
header format has implicit version 0.
Otherwise Wireshark (or trx_sniff.py) would have to guess the
header version, or alternatively follow the control channel
looking for the version setting command.
This change introduces a new structure 'trx_ul_burst_ind', which
represents an Uplink burst and the corresponding meta info. The
purpose of this structure is to avoid overloading the existing
functions, such as trx_sched_ul_burst(), with more and more
arguments every time we bump the version.
On receipt of a TRXD message, trx_data_read_cb() now parses
the header version, and calls the corresponding dissector
functions, e.g. trx_data_handle_(hdr|burst)_v0().
Change-Id: I171c18229ca3e5cab70de0064a31e47c78602c0c
Related: OS#4006
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Change-Id: I52880962dfb0399c613048aa7ddfd828d3c6c933
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By using new libosmocore LAPDm API we can specify the GSM channel type
and hence enable the LAPDm code to use a per-channel-type specific N200
value.
At the same time, this new API also allows us to specify T200 values
when initializing the LAPDm channel, so we don't have to fiddle with
low-level lapdm data structures in what used to be oml_set_lchan_t200().
Change-Id: I0e814fbae13e0feddd148c47255dcc38cb718f48
Depends: libosmocore I90fdc4dd4720d4e02213197c894eb0a55a39158c
Closes: OS#4037
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Let's keep some statistics about the min/max/average frame number
advance that we're observing above L1SAP when comparing the time in the
PH-RTS.ind and the frame number we observe in PH-DATA.ind of data
that was received on the uplink.
The statistics are currently only shown in the VTY, but this is a
precursor to using them to correctly advance the LAPDm timers in a
follow-up patch.
Change-Id: I8f739fdb808a614f080afbc4654641ec3df19eb2
Related: OS#2294
Related: OS#3906
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Let's avoid fancy alignment in the description of logical channels
for the benefits of having better readability, the ability to add
more comments and fields without making it look ugly.
Get rid of value-string array 'trx_chan_type_names', since each
logical channel has its name defined in 'trx_chan_desc'.
Get rid of field 'chan' of 'trx_lchan_desc' structure since it's
not used anywhere, and not actually needed because the position
of each lchan description is defined by its TRXC_* type.
Replace both 'pdch' and 'auto_active' fields with more generic
bitmask field called 'flags', and define the following flags:
- TRX_CHAN_FLAG_AUTO_ACTIVE,
- TRX_CHAN_FLAG_PDCH.
Use RSL channel mode #defines from libosmogsm instead of having
hard-coded numbers. This increases readability.
As a bonus, let's add a human readable description to each lchan
definition, so it can be printed in the VTY some day.
Change-Id: I9d5d49ec569f133d37b8164b22607d4700474315
Backported from: I2fc61e1cdca4690a34e2861b9ee3b7c64ea64843
I7ab4958801b3422973b67ff0452b90afa8a3f501
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This way we unify format. We take the chance to add related information
to some log messages which were not printing that information (and was
confusing when using more than one phy instance).
Change-Id: I5b17a01638ade9a6c41da73e550d5947fa92f568
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Change-Id: Id357e4ed38cbdca2082322da12b93d556056e916
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osmo-bts cannot provide GPRS service while osmo-pcu is not connected.
The BSC has no knowledge of the PCU connection state. Prevent MSs
from trying to register for GPRS while the PCU is disconnected by
erasing the GPRS Indicator in SI3.
Change-Id: I1a6f5c636c0fe098ee31c280d4572a3f8122b44b
Depends: I690cf308311f910005a325d50f5d5d825678d2b2 (libosmocore.git)
Depends: I08e0ca9a8d13c7aa40b9d90f34f0e13adb87d4e0 (libosmocore.git)
Depends: I8b1ee2405f6338507e9dfb5f1f437c4c2db2e330 (libosmocore.git)
Related: OS#3075
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Example: The fact that the PCU has connected with a given version is not
a *failure* in the first place, particularly not a MAJOR one. Let's
allow callers of oml_tx_failure_event_rep() specify the serverity of the
event that they're reporting to the BSC.
Change-Id: I49af04212568892648e0e8704ba1cc6de8c8ae89
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This adds the final missing part to full CBCH support:
* keep a tab on the current queue length for basic + extended CBCH
* keep rate counters about the number of sent / transmitted SMSCB
* send CBCH LOAD information via RSL to the BSC
Change-Id: I7068c7937a60a900c40439115bb84dc3ee0d061f
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This avoids having to iterate the list to count the number of elements.
Change-Id: I72c47affeb87c9b898bc2290dc7ed113945f1805
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The logic for Extended CBCH are the same as for the Basic CBCH, we just
need to
* duplicate our related state
* parse the optional RSL_IE_SMSCB_CHAN_INDICATOR IE
* start to send data on the Extended CBCH (TB=4..7)
Change-Id: If2c6dc7da1e2185ab75fc957f8d305ad8db22429
Closes: OS#3535
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The BSC can not only send us each to-be-sent message separately, but
it can also configure a DEFAULT message, which is then to be sent
instead of the NULL message. Let's add support for this
Change-Id: I65a79215b54155d128c26d2ca11ff9ff3ed2cdba
Closes: OS#4013
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Change-Id: Id476d492b3c1d0c728fca9eb0fb2254512bdef72
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