This way we can avoid allocating another msgb and enqueue the given
msgb directly to the write queue of the MNCC socket.
Change-Id: I29305866e61a0bc3bd082108af6a9ba8ff86bcf2
Related: OS#5599
Do not send voice frames to the external MNCC unconditionally.
Add a new I/O handler type for the external MNCC application.
Change-Id: I406b169963e6654110329d741728fa12c8c8eeec
Related: OS#5599
This API is going to be used by osmo-trx-ms for inquiring the l1sched
about an lchan state before attempting to demodulate a Downlink burst.
Change-Id: I9a71b8a59733f4dd908b760c5e23ea3d624afb1a
Related: OS#5599
This API is going to be used by osmo-trx-ms for pulling Uplink bursts
from the scheduler in a synchronous way, without relying on the
timer driven libtrxcon's internal scheduler.
Change-Id: Ic8f74413f5fad277340e007dd4296f890155a2c1
Related: OS#5599
This is needed to avoid sending voice frames to the L1PHY without
having to use MNCC specific struct gsm_data_frame.
Change-Id: I37241555cd648a8e2b57fa072c708f93cd1ba5a9
Related: OS#5599
The idea behind checking the ch_type in gsm48_rr_tx_voice() was likely
to prevent sending of the (LCR originated) Uplink TCH frames before
the actual traffic channel is established/modified.
The problem is that this check allows TCH/F frames, but not TCH/H.
Most likely, TCH/H was forgotten or never tested. Fix this.
Change-Id: I06e84ad47bafd4676af0e136b825e77471587b23
Related: OS#5599
According to 3GPP TS 04.08, section 3.4.6.1.3 "Abnormal cases"
of "channel mode modify procedure", if the MS doesn't support
the indicated channel mode, it shall retain the old mode and
return the associated channel mode information in the
ACKNOWLEDGE message.
Previously, if an indicated mode is not supported, we used to
indicate the 'CHAN_MODE_UNACCT' RR case without sending the
ACKNOWLEDGE message. Also, the result of gsm48_rr_set_mode()
was ignored. Let's fix this!
Change-Id: I952436ec796273e56341f9d3492b4a3b3a5dc410
Related: OS#5599
Some L1PHY targets (e.g. Calypso based Mot C1xx phones) have built in
microphone and speaker. Some targets do not have them. Currently we
unconditionally instruct the L1PHY to handle TCH frames internally.
Make this behavior configurable via the VTY interface.
Change-Id: I131f213ef7c2736f7310f0183b83f3bc3064cd98
Related: OS#5599
Since the mobile application is potentially able to maintain
multiple MS instances, it's better to have a possibility to
choose an MNCC (Call Control) handler per each MS separately.
This change removes the command-line option '-m', which was used
for enabling the external MNCC. Now it's possible configure the
MNCC handler for each MS via the VTY interface and settings.
The following MNCC-handlers are available:
- internal - built-in MNCC-handler (default);
- external - external MNCC-handler via UNIX-socket (e.g. LCR);
- dummy - dummy handler without CC support.
Change-Id: I2df91c7a79ba5c39bc6ceae900ef649129dd0346
Related: OS#3400
Similar to rsl_dec_chan_nr(), this function may also fail, leaving
the given struct tlv_parsed uninitialized.
Change-Id: I13f2a97eeff78ca8ed7d0a2844e4fca430ec7768
Related: OS#5599
The rsl_dec_chan_nr() may fail to decode RSL channel number, so
variables ch_type/chan_ss/chan_ts would remain uninitialized.
Change-Id: I9ab18bdaf41a29fcd32a7060668ef9db07b8cf7e
Related: OS#5599
Previously the MNCC socket path was generated automatically,
using concatenation of the '/tmp/ms_mncc_' prefix and MS name.
Let's allow the user to specify this manually, keeping the same
naming generation method for default value.
Change-Id: I643356ac579bc5e765f668265ec803b22a73739c
Related: OS#3400
This regression was introduced with the experimental PDCH support
back in 2020. In particular, I made a mistake in the l1s_nb_resp()
resetting rxnb.dl->link_id to 0x00 if MF_F_PTCCH is not set, which
is of course not set for non-PDCH channels.
Change-Id: I8593f9b001e669e7cd10cc42c05221a6037e8ae1
Fixes: 67c49ba664
Fixes: OS#5791, OS#5133
The for-loop was moved above the initialization of bi and kept using
bi.burst_len, which is indeed uninitialized. Move it back.
Change-Id: I93a627233beef9157d47b35cafc42c53203619a7
Fixes: 178b92a108
Fixes: CID#300007
The trx_data_rx_cb() needs to be modified because it's accessing and
modifying the receive buffer via the bi.burst pointer, which
becomes const after this patch.
Change-Id: I68773d247725a6dc2cbbc58b63c0fd19ffdb1a16
Related: OS#5599
The key idea is to allow triggering the scheduler only for a specific
timeslot of a frame, while keeping the API for triggering all together.
Split off the main part from l1sched_trigger() to l1sched_pull_burst().
While at it, rename l1sched_trigger() to l1sched_pull_send_frame().
Change-Id: Ibb7f9d7de26733f21b0753a2c655a250286bf1f0
Related: OS#5599
Use the given Fn instead, no need to go that deep for it. The
sched->fn_counter_proc is an internal field of the scheduler,
which is not necessarily holding a valid value when pulling
Uplink bursts synchronously via the Ready-to-Send PHYIF API.
Change-Id: I56027876b50e53b474c2f54ac216cd141142020e
Related: OS#5599
This app will allow setting up a tun device to transmit/receive data
as a GPRS MS against a GSM network.
This is just the initial skeleton so that people can work on it further
in follow-up commits.
Related: OS#5503
Change-Id: I8a1121b3287da7d7330c30e3118affa8fd1da61b
Do not mix up Downlink burst handling with the clock delivery. Add
a separate PHYIF API function and call it from the TRXC/TRXD PHYIF.
This way calling trxcon_phyif_handle_burst_ind() would not trigger
the internal timer-driven Uplink scheduler in libl1sched, letting
the underlaying PHYIF logic to pull Uplink bursts synchronously.
Change-Id: Ieeee25573d1142aec2fee28d884127f14573b681
Related: OS#5599
This is needed for the integration with osmo-trx-ms. It was decided
to run the scheduler within the transceiver process, so that we can
reduce scheduling latency. The idea is to maintain trxcon as a sub-
module in osmo-trx.git and link osmo-trx-ms against the libtrxcon.
We cannot use hard-coded logging categoris in a library, so add new
API for setting them: trxcon_set_log_cfg(). Use DLGLOBAL by default.
Change-Id: Idf207947f620a7394e0a0e5bf2c37bcd8df64bbe
Related: OS#5599
The L1CTL codec (implemented in l1ctl.c) is going to be part of the
upcoming libtrxcon, so let's uncouple it from the l1ctl_server API.
Change-Id: I8d80af240b0e57f76263907c552288d4184876c0
Related: OS#5599
The l1ctl_client_read_cb() is using L1CTL_HEADROOM, so let's avoid
inconsistency and use L1CTL_HEADROOM in the l1ctl_alloc_msg() too.
Change-Id: I248f8c662ae0836cba61fb708a5dc73c57131f4c
Related: OS#5599
Vadim Yanitskiy
Vadim Yanitskiy
Pau Espin