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As per TS 23.014, a GSM MSC must implement mobile-originated DTMF
generation. We gate the DTMF signalling messages to MNCC, and expect
the external MNCC handler to deal with it. However, the internal MNCC
handler simply ignored such singalling messages, rather than rejecting
It turns out failure to respond to START DTMF will cause some phones to
behave in interesting ways, particularly with modem
firmware v6.01.00, see https://osmocom.org/issues/1817). In this case
the phone is not able to release the call as the pending response to the
START DTMF is probably keping a reference or lock of some sort.
Adds the -p --pcap option to the help text.
GSM 04.18, which is the successor of GSM 04.08, describes
additional RR 3g specific message types. This commit adds
log output for those messages. The behaviour is not changed
all affected message types are still forwared to the MSC
as they were before.
See also 3GPP TS 04.18, section 10.4, table 10.4.1
The change requires to update libosmocore as well, see
also commit f48fdb3a108da0dc23d7af4ac021e98e11f07152 in
libosmocore.git for details.
the OML attribute tables are hardcoded. To set variable parameters,
the hardcoded data structure (tlv) is patched on byte level during
runtime. This patch replaces this mechanism.
- Replace hardcoded OML attribute tables with dynamically
generated TLV structures.
- Add unit tests to check if the OML attribute tables are
- Put OML attribute table generator code in a separate file:
Use channel type name instead of number and log it with DEBUG facility
otherwise it produces lots of irrelevant messages for SDCCH*
- missing break in gprs_sndcp_pcomp.c, line 143
- string overflow in slhc_test.c, line 211
- sizeof mismatch in gprs_sndcp_xid.c, line 1369 and 1378
- mismatching signedness in gprs_sndcp_xid.c, line 1377
- needless < 0 comparison in gprs_sndcp_xid.c, line 477
- needless < 0 comparison in gprs_sndcp_xid.c, line 209
- missing returncode check in v42bis_test.c, line 320
- wrong pointer dereferentialization in gprs_sndcp_comp.c, line 73
When DL DTX is active and silent period is in progress dtx.cache is
populated by SID UPDATE message which about to be scheduled next. If at
that moment FACCH message arrives (which have higher priority) we have
to send ONSET message to L1 but we can't invalidate cache with SID
UPDATE as it will be used for SID FIRST message to resume silent period
after FACCH transmission is over (provided there were no incoming voice
in between). Hence the necessity for separate buffer to store content of
FACCH message while we're sending ONSET to L1 while keeping SID UPDATE
We count the codec when the channel was successful setted up
Using sign_link->trx->bts instead of msg->trx to get the bts.
Add OSMO_ASSERT for bts within count_codecs()
Value 4 used as magic number by both OpenBSC and OsmoBTS so it make
sense to add it to shared header. See
ebb483b69a5319e522ba5f713e9cb6f68a814a6a in osmo-bts for details.
Drop extern definitions of talloc_msgb_ctx and use msgb_talloc_ctx_init()
In sgsn_test.c, use a local variable msgb_ctx to do the talloc report
from the return value of msgb_talloc_ctx_init().
Add msgb_talloc_ctx_init() call to many main() functions still lacking a
msgb talloc context.
Actually initialize tall_bs11cfg_ctx as named const.
tall_ctx_config is defined but remains NULL. Instead initialize as named
There's "channel-descrption bs-ag-blks-res" vty command which sets
BS-AG-BLKS-RES which might be too high if CCCH is combined with
SDCCHs. Previously proper value was silently enforced. Log this
situation explicitly and add spec reference to the comment.
Like in libosmo-abis' jenkins.sh
- consolidate all DTX-specific things in a separate struct
- rename struct fields to better reflect meaning
- add pointer to DL FSM for AMR
- remove unused flag
- expand buffer to hold cached payload alongside with CMR/CMI
Just as a general precaution deemed to fit such a convenience function that
lives in libcommon, no actual failure observed.
Found this by coincidence, no actual failure case was observed.
lchan_lookup() does have a return NULL code path, so we should not blindly use
its returned pointer.
This reverts commit 38e9ea3f7f385c6660c5958970af5c71adc1682b.
Introduced a reproducable segfault, because msg->trx is not actually set/used
in the openbsc code paths.
Program received signal SIGSEGV, Segmentation fault.
count_codecs (lchan=0x1, bts=<optimized out>) at ../../../src/libbsc/abis_rsl.c:104
#0 count_codecs (lchan=0x1, bts=<optimized out>) at ../../../src/libbsc/abis_rsl.c:104
#1 0x0000000000425661 in abis_rsl_rx_dchan (msg=<optimized out>) at ../../../src/libbsc/abis_rsl.c:1516
#2 abis_rsl_rcvmsg (msg=0x8143f0) at ../../../src/libbsc/abis_rsl.c:2611
#3 0x00007ffff71420d0 in handle_ts1_read (bfd=<optimized out>) at ../../src/input/ipaccess.c:271
#4 ipaccess_fd_cb (bfd=0x815af8, what=1) at ../../src/input/ipaccess.c:386
#5 0x00007ffff7779b62 in osmo_fd_disp_fds (_eset=0x7fffffffe590, _wset=0x7fffffffe510, _rset=0x7fffffffe490) at ../../src/select.c:149
#6 osmo_select_main (polling=polling@entry=0) at ../../src/select.c:189
#7 0x0000000000406fac in main (argc=<optimized out>, argv=0x7fffffffe738) at ../../../src/osmo-nitb/bsc_hack.c:385
Add flag to explicitly track the state of DTX DL for AMR HR whe
SID_FIRST_P1 has been sent to L1 already but no next frame available
yet: this can be followed by SID_FIRST_P2 or SID_FIRST_INH depending on
arrival of voice frame within next 60 ms.
In addition to RTP payload SID cache got to store CMR/CMI prefix. Extend
the buffer so it can fit in.
Fixes: Coverity CID#149508
active_calls describe all calls in active state.
call.complete Call got terminated by disconnect requested either by MS or MSC.
call.incomplete Call got terminated by any other reason.
call.active Calls reached active state.
we count the codec when the channel was successful setted up
Explicitly set AC_CONFIG_AUX_DIR.
To reproduce the error avoided by this patch:
rm install-sh # in case it was already generated.
touch ../install-sh # yes, outside this source tree
This will produce an error like
configure.ac:16: error: required file '../ltmain.sh' not found
configure.ac:5: installing '../missing'
src/Makefile.am: installing '../depcomp'
autoreconf: automake failed with exit status: 1
See also automake (vim `which automake`) and look for 'sub locate_aux_dir'.
Tests for V.42bis, slhc, llc-xid and sndcp-xid are built and
executed on all build configurations, but are only needed when
the sgsn (gprs) is built. This patch adds conditions check
if the tests mentioned abvove are needed or not.
Most of this file uses four spaces of indenting. Replace all tabs with spaces.
Remove the erratic 'set' from the recently added vim comment at the bottom.
Add option to TextTestRunner that shows print output on stdout.
It's better to see everything in our jenkins runs and not hide test output.
After libosmocore 38d232ee5d2ceb045d9ad6d3a23afcb4972523f7 which outputs
'CTRL at <ip> <port>' from ctrl_interface_setup_dynip(), there's no need to log
the CTRL bind here anymore.
Add a condition for GERAN Gb.
SNDCP and IuPS were developed on separate branches, and the merge results in
code trying to use an llme on a UTRAN Iu context where the llme is NULL,
leading to stack corruption upon PDP ctx act.
In nat_msc_test(), upon socket timeout, retry up to six times. Reduce the
timeout between retries. This should get rid of sporadic test failures that
we've been seeing a lot on jenkins lately.
Raise an exception upon unexpected vty response.
Print more detail to stdout. Since we would actually want as much output as we
can get in a test suite, remove the 'if (verbose)' and just always print the
connection source. unittest is keeping all stdout silent by default anyway.
Use the recently added ts_is_tch() function instead of an explicit switch to
determine TCH pchan types. This is a cosmetic change since the bs11 does not
support dynamic channels (which was the main motivator behind ts_is_tch()).
Add ts_is_tch() in gsm_data_shared.h/.c and use it to replace a switch on the
pchan in e1_config.c.
This patch is not due to an actual observed failure. A general grep for switch
on pchan turned up this instance that doesn't handle dyn TS properly. Hence
this patch is not actually tested with real equipment.
Add ts2comb() to switch on dyn TS so that dyn TS in TCH mode are also treated
like normal TCH/H or TCH/F pchans. Use ts2comb() instead of pchan2comb().
In gsm_data_shared.c, add ts_pchan() to determine actual pchan type for dynamic
and non-dynamic TS.
Use in ts_subslots() to fix the value returned for TCH/F_PDCH in PDCH mode.
Adjust the assertion in channel_test.c accordingly.
Drop GSM_PCHAN_TCH_F_PDCH, which is now handled in ts_pchan().
Explicitly add GSM_PCHAN_PDCH as zero in subslots_per_pchan (cosmetic).
Adjust the comment in subslots_per_pchan.
The fix for the number of subslots affects only one caller: bts_chan_load() in
chan_alloc.c. Before this, it would always include a TCH/F_PDCH in the
load_counter->total, now it is skipped when in PDCH mode. Whether this is the
way bts_chan_load() should handle dynamic TS is a separate discussion, so far
I'm only making sure that the two dyn TS kinds act in the same way:
TCH/F_TCH/H_PDCH is only counted when in TCH mode, and TCH/F_PDCH should match.
This reverts commit 308cb0719dca3ba8eed1eff2a2124d44f34d9a28.
Problems in this commit:
openbsc/src/libbsc/chan_alloc.c:523: case GSM_PCHAN_TCH_F_PDCH:
This is actually wrong, GSM_PCHAN_TCH_F_PDCH use ts->flags, not ts->dyn below
(due to historical reasons and could be unified).
560: if (only_count_tch && !chan_is_tch(ts))
This has exactly one effect: it excludes GSM_PCHAN_TCH_F_PDCH when in PDCH
mode, because for all other PDCH (plain PDCH and TCH/F_TCH/H_PDCH in PDCH mode)
below ts_subslots() returns 0 and skips the for() loop. I consider this a bug
in TCH/F_PDCH, to be fixed in an upcoming commit.
I don't see why we need the only_count_tch argument, because this should
normally only count TCH, weren't it for the TCH/F_PDCH bug.
If dyn TS should be counted differently, we should do this in a different way.
Add test_dyn_ts_subslots() and call from main(). Update channel_test.ok.
This includes erratic assert to show a bug for TCH/F_PDCH in PDCH mode: the nr
of subslots should be the same as for a normal PDCH, i.e. zero. This will be
adjusted along with the fix in an upcoming commit.
Move the main() guts to test_request_chan(), so that I can add another test in
an upcoming commit.
- Adding Testcases for UNCOMPRESSED_TCP and TYPE_IP
- Minor cosmetic changes
After libosmocore 55dc2edc89c1a85187ef8aafc09f7d922383231f which outputs
'telnet at <ip> <port>' from telnet_init_dynif(), there's no need to log the
telnet VTY bind here anymore.
Instead of below error, raise an exception to describe what's happening.
Seen in a jenkins run on https://gerrit.osmocom.org/#/c/945/2:
ERROR: testBSCreload (__main__.TestVTYNAT)
Traceback (most recent call last):
File "./vty_test_runner.py", line 787, in testBSCreload
msc = nat_msc_test(self, ip, port)
File "./vty_test_runner.py", line 1251, in nat_msc_test
UnboundLocalError: local variable 'conn' referenced before assignment
The previous commit added a network backpointer to gsm_subscriber_connection.
Use it wherever it makes sense, to skip the step through the bts structure.
In some places, remove local variables that become unused.