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While at it, fix a typo in the test output.
This function is nowadays only used in ms_current_pacch_slots(), which
is used only to print the PACCH TS (the first common UL & DL TS).
Change-Id: Id1d0b681f6866618f9f3a8c64d6a6c809ca50ea7
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The assumption that TLLI 0x00000000 is invalid and can be used
as the initializer is wrong. Similar to TMSI, 0x00000000 is a
perfectly valid value, while 0xffffffff is reserved - use it.
According to 3GPP TS 23.003, section 2.4, a TMSI/P-TMSI with
all 32 bits equal to 1 is special and shall not be allocated by
the network. The reason is that it must be stored on the SIM,
where 'ff'O represents the erased state. According to section
2.6 of the same document, a local/foreign TLLI is derived from
P-TMSI, so the same rule applies to TLLI.
I manually checked and corrected all occurances of 'tlli' in the
code. The test expectations have been adjusted with this command:
$ find tests/ -name "*.err" | xargs sed -i "s/0x00000000/0xffffffff/g"
so there should be no behavior change. The only exception is
the 'TypesTest', where TLLI 0xffffffff is being encoded and
expected in the hexdump, so I regenerated the test output.
Change-Id: Ie89fab75ecc1d8b5e238d3ff214ea7ac830b68b5
Related: OS#4844
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Write TAI (if available) when generating Rest Octets for UL
Assignment. This should not affect actual PCU behavior because TAI is
not yet supported by upper layers but we have to adjust corresponding
tests anyway.
That's updated version of reverted commit.
Change-Id: I69407793bdb863be5fc42adadf75842d22f27335
Related: OS#3014
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Use bitvec_set_*() directly without external write pointer tracking to
simplify the code. This is part of IA Rest Octets (3GPP TS 44.018
ยง10.5.2.16) which is the last part of the message so it should not
interfere with the rest of encoding functions.
The difference in the expected test output is due to proper handling of
TAI which should not be transmitted for SBA according to the Note in
Table 10.5.2.16.1 in 3GPP TS 44.018.
The change was manually tested against real mobile phone using options
'gprs mode gprs' in osmo-bsc.cfg and 'two-phase-access' in osmo-pcu.cfg
to make sure appropriate code path is actually triggered.
That's partially based on reverted commit 93d947f5e8a30acc9250c124bf9d5bb6a8863526.
Change-Id: I97d53c27c1ca9e032d431b3aa7f915027d63ddc0
Related: OS#3014
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Previously result of ".to_num() - 1" was used without any checks which
means that in case of to_num() returning zero we would effectively try
to encode (uint8_t)(-1).
Let's fix this by using proper mcs_chan_code() function which returns
Channel Coding Command for MCS without the need to further correct it
and adjust expected tests output accordingly.
Change-Id: I868062a81fffe6714a811c032215f25a79259905
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Change-Id: I63f4654b23c7c4f063f6b3254d77157fac798586
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This utility functions is used by TBF allocation routines and only
tested indirectly through allocation test. Let's add proper exhaustive
test which checks all uint8_t values.
This also requires adding missing include to pcu_utils.h
Change-Id: If08a7f0d31f0e5ad8a5efa5885880aed19c329ab
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When RACH is received, PCU will generate the Immediate assignment reject
message if no resources are present. The encoding is done based on section
9.1.20 of 44.018 version 11.7.0 Release 11. This patch also includes the
test case to validate the generated Immediate assignment reject message.
This patch is integration tested on Osmo-trx setup with Ettus B210 board
and LG F70 MS with some simulation code changes in Osmo-pcu.
Change-Id: I3d33e2b9746fa4f338fad0e6b63b1c5f07de6f9b
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Currently the old fixed 64 bit RBB based implementation is used for
GPRS.
Use the new bitvec based methods instead.
Sponsored-by: On-Waves ehf
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* Make append_data, remaining_space and fits_in_current.. work
on m_length and not the index. This ways things can't overflow.
* The current API consumer was moving the m_index so it should have
worked okay.
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