Introduction of S1-flex. It handles multiple PLMN IDs (up to 6) in the SIB as well as the selection of an MME based on the selected PLMN identity.
Major impact: changes on the eNB configuration files:
tracking_area_code = 1;
plmn_list = (
{ mcc = 208; mnc = 94; mnc_length = 2; },
{ mcc = 208; mnc = 95; mnc_length = 2; }
)
See https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/s1-flex-conf-nnsf for more details.
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
1. Fix the problem of compiling NR_RangeToBestCell.c of NR-RRC 15.3.0
2. Fix the problem that default OCTET/BIT STRING value not used in APER
3. Add support of extension group inside CHOICE type used in LTE-RRC 15.3.0
4. Fix the problem that NGAP 15.0.0 ASN.1 can not generate C files
Note: we don't include the last commit from origin/recode_itti_from_scratch
because it is just astyle formatting. As of today we don't enforce
astyle and including this work would lead to future merge conflicts.
A proper process to enforce astyle has to be put in place. In the
meantime, no astyle allowed in commits if the changes are too big
and not relevant to work done.
- until now, on every iteration, the scheduler checked for changed parameter
(and verified some)
- this functionality moves to the FlexRAN Agent, which verifies all parameters
* individually, e.g. Max MCS <= 28 for DL
* group-based, e.g. the sum of slice percentages is <= 100
- slice configuration changes are only applied if all verifications pass
- it is assumed in the scheduler, that configuration passed from outside is
correct and can be used "as-is"
fix accounting setting
This commit removes the warning:
make[4]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
Basically, inside a Makefile we should use $(MAKE) instead of make.
Since VCD has now to go through the T tracer, we enforce the consistency
of data found in common/utils/LOG/vcd_signal_dumper.[ch] with data
found in common/utils/T/T_messages.txt.
We might get completely rid of common/utils/LOG/vcd_signal_dumper.[ch] at some
point. For the moment, let's keep it.
This commit adds the program common/utils/T/check_vcd.c and necessary
modifications to enforce its use at compilation time.
If you modify common/utils/LOG/vcd_signal_dumper.[ch] but do not update
common/utils/T/T_messages.txt an error will pop up when you compile the
software. You have to keep both modules synchronized.
- install package 'vim-common' to have 'xxd' needed by the compilation
process of the T tracer
- change the way xxd is called so that no file is created in case
of error
1. It's no need to modify LTE-RRC's ASN.1 file for enabling option group
feature in generate_asn1.
2. It's no need to patch the C header files generated from
LTE-RRC/S1AP/X2AP's ASN.1 in fix_asn1.
3. It's no need to pre-process S1AP/X2AP's ASN.1 for enabling information
object class feature by asn1tostruct.py.
This commit requires an un-official version of asn1c which are
collaboration of asn1c community members and `build_helper` is modified
in this commit accordingly :
https://github.com/brchiu/asn1c/tree/velichkov_s1ap_plus_option_group
This asn1c can also convert ASN.1 of 5G NR RRC (38.331, v15.1.0) and
generate C files with -findirect-choice command line option without
tweaking ASN.1 file.
Examples for how to use this asn1c for S1AP are in S1AP files, e.g.
s1ap_eNB_nas_procedures.c and s1ap_eNB_handler.c.
There is an modified openair-cn (based on tag 0.5.0) with this new asn1c at :
https://github.com/brchiu/openair-cn/tree/new-asn1c
Basic S1AP interaction and data transfer operation between OAI eNB and
this modified openair-cn has been tested.
Note: Community version of asn1c is keeping evolved to provide better usage.
Raymond Knopp