- 20 Feb, 2024 1 commit
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Rafael Monnerat authored
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- 19 Feb, 2024 1 commit
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Thomas Gambier authored
This is needed since version up of pim-dm in cfb05d82
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- 18 Feb, 2024 2 commits
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Kirill Smelkov authored
Hello up there. This merge-request brings in major update to ors-amarisoft software release: first eNB is significantly restructured to prepare base for further changes, and then we add support for working with multiple radio units and multiple cells with all LTE/NR and FDD/TDD simultaneously. All kinds of Carrier Aggregation - LTE+LTE, NR+NR and LTE+NR are now supported. All kinds of Handover - Intra-ENB, Inter-ENB with LTE→NR and NR→LTE are now supported as well. UE simulator is also updated to support multiple radio units, cells and UEs. In the new system configuration of RU, CELL, PEERCELL, PEER and UE objects are done via shared instances attached to the main eNB or UEsim instance. Most of the parameters become runtime settings instead of being static choice of particular software template. There is no longer multiple rendered softwares - all that remain is 1. `software.cfg` for generic software, and 2. `software-ors.cfg` for ORS. Switching to configuring things at runtime became possible because SlapOS Master recently switched to new JSON-editor with support for `oneOf`, arrays and conditionals - bits that make it possible to configure settings in the WEB UI with multiple choices for e.g. RF mode, cell or radio unit type. For ORS full backward compatibility is preserved via special proxy which translates ORS input schema to configuration objects of the new generic eNB. Since most our current ORS deployments are TDD, `software-tdd-ors.cfg` link to `software-ors.cfg` is also provided to preserve backward compatibility at software-release URL level for those instances. eNB and gNB are merged along the way. Unittests are improved. JSON schemas become primary source for defaults(*). Unnecessary parameters are removed and are now computed automatically. For example it is no longer needed to explicitly specify SSB NR-ARFCN for peer NR cell, or `txa0cc00_center_frequency` for Lopcomm RU. `tx_gain` and `rx_gain` become generic parameters that semantically apply uniformly to all Radio Units. A protection against buildout code injection via specially-crafted references of shared instances is installed. The problem was noticed because instantiation was failing with spaces in the references - a condition that is present by default on the testnodes. Solving the problem generally via custom "buildout encoding" was not hard and probably the solution might be useful not only for ors-amarisoft software release. Please see the patch `"Protect from buildout code injection"` for details. There are more minor enhancements and bug fixes in there. Please see individual patches for details. Kirill /cc @jhuge, @lu.xu, @xavier_thompson, @Daetalus /approved-by @tomo /reviewed-on !1533 (*) this goes in line with similar design choice to make JSON schemas primary source of defaults in Rapid-CDN: !1380 .
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Kirill Smelkov authored
To run tapsplit we use plone.recipe.command with both command and update-command set to `tapsplit ...`. But tapsplit, when run, currently fully recreates and reinitializes subtap interfaces, which leads to interfering with running enb because subtap interfaces, that enb started to use, are removed. This is not desirable behaviour. What we need: 1) create subtap interfaces only once and keep them stable 2) until configuration changes which should lead to * subtaps recreated, and * enb restarted 3) if subtap interfaces disappear for any reason, recreate it -> Rework tapsplit to keep its promise, that it "brings tap interface into state with several children interfaces each covering part of original interface address space", without recreating those children on every run and instead doing any action only if their state is not what is desired. In other words those interfaces now are only created when they do not exist before. Addresses and routes are added only if they are not there before tapsplit is run, etc. After the patch the first run of tapsplit to split by 2 looks like # ./pythonwitheggs ru/tapsplit slaptap16 2 slaptap16: split 2401:5180:0:66:a200::/71 by 2 preserve 2401:5180:0:66:a200::/73 -> slaptap16-1 2401:5180:0:66:a280::/73 # ip tuntap add dev slaptap16-1 mode tap user slapuser16 # ip link set slaptap16-1 up # ip addr add 2401:5180:0:66:a280::/73 dev slaptap16-1 noprefixroute # ip route add 2401:5180:0:66:a280::1 dev slaptap16-1 # ip route add 2401:5180:0:66:a280::/73 dev slaptap16-1 via 2401:5180:0:66:a280::1 -> slaptap16-2 2401:5180:0:66:a300::/73 # ip tuntap add dev slaptap16-2 mode tap user slapuser16 # ip link set slaptap16-2 up # ip addr add 2401:5180:0:66:a300::/73 dev slaptap16-2 noprefixroute # ip route add 2401:5180:0:66:a300::1 dev slaptap16-2 # ip route add 2401:5180:0:66:a300::/73 dev slaptap16-2 via 2401:5180:0:66:a300::1 The second run with the same arguments looks as # ./pythonwitheggs ru/tapsplit slaptap16 2 slaptap16: split 2401:5180:0:66:a200::/71 by 2 preserve 2401:5180:0:66:a200::/73 -> slaptap16-1 2401:5180:0:66:a280::/73 # slaptap16-1: already exists # slaptap16-1: already up # slaptap16-1: already has 2401:5180:0:66:a280::/73 addr # slaptap16-1: already has 2401:5180:0:66:a280::1 route # slaptap16-1: already has 2401:5180:0:66:a280::/73 route -> slaptap16-2 2401:5180:0:66:a300::/73 # slaptap16-2: already exists # slaptap16-2: already up # slaptap16-2: already has 2401:5180:0:66:a300::/73 addr # slaptap16-2: already has 2401:5180:0:66:a300::1 route # slaptap16-2: already has 2401:5180:0:66:a300::/73 route where it could be seen that no actions had been taken. And if, for example, the user manipulates slaptap16-2 and manually sets it down, the third run restores it to desired 'UP' state and readds the address and routes because the kernel removed them when link went down: # ip -6 addr show dev slaptap16-2 157: slaptap16-2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 inet6 2401:5180:0:66:a300::/73 scope global tentative noprefixroute valid_lft forever preferred_lft forever # ip -6 route show dev slaptap16-2 2401:5180:0:66:a300::1 metric 1024 linkdown pref medium 2401:5180:0:66:a300::/73 via 2401:5180:0:66:a300::1 metric 1024 linkdown pref medium # ip link set slaptap16-2 down # ip -6 addr show dev slaptap16-2 # ip -6 route show dev slaptap16-2 # ./pythonwitheggs ru/tapsplit slaptap16 2 slaptap16: split 2401:5180:0:66:a200::/71 by 2 preserve 2401:5180:0:66:a200::/73 -> slaptap16-1 2401:5180:0:66:a280::/73 # slaptap16-1: already exists # slaptap16-1: already up # slaptap16-1: already has 2401:5180:0:66:a280::/73 addr # slaptap16-1: already has 2401:5180:0:66:a280::1 route # slaptap16-1: already has 2401:5180:0:66:a280::/73 route -> slaptap16-2 2401:5180:0:66:a300::/73 # slaptap16-2: already exists # ip link set slaptap16-2 up # ip addr add 2401:5180:0:66:a300::/73 dev slaptap16-2 noprefixroute # ip route add 2401:5180:0:66:a300::1 dev slaptap16-2 # ip route add 2401:5180:0:66:a300::/73 dev slaptap16-2 via 2401:5180:0:66:a300::1 The first version of this patch tried to solve the problem by setting update-command to be noop instead of reworking tapsplit itself. But as Thomas noted this does not satisfy requirement "3". Amends 49ce8ef5 (software/ors-amarisoft: Provide dedicated TAP interface for each Radio Unit) /helped-by @tomo /cc @jhuge, @lu.xu, @xavier_thompson, @Daetalus /reviewed-on !1508
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- 16 Feb, 2024 11 commits
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Jérome Perrin authored
- use caucase for balancer certificate - move virtual host logic on the backend - change "frontend" parameter to request "" type (and no longer "zope") See merge request !1504
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Jérome Perrin authored
The strategy for compatibility is that: - haproxy still listen on the same port as before, without rewrite rule. This is called "legacy" port. - for each frontend from request parameters, we introduce an haproxy frontend with a rewrite for the corresponding `internal-path` parameter. - the shared frontend instance is updated to use this new frontend entry from haproxy. This will cause a small downtime until the shared frontend is updated to the new URL on ERP5, but since this feature was not used, it's OK. Technical details are that we: - split haproxy config to have frontends and backends. - introduce one frontend in haproxy for each frontend from request parameters. - routing-rule-list argument is still honored the same way, globally and after path from frontend. - change the shared frontend requests to use "" type, no longer "zope" type. - we don't do automatic detection of /VirtualHostRoot in URL but always add it, because it could be used to trick zope into thinking it serves requests for an arbitrary host and do open redirects - before using the request's host header in virtualhost path, we check that it does not contain /, to prevent injection of virutalhost path elements through the host header. - we don't use the "path" parameter from shared frontend, because we want the frontend to be simple, so we don't want it to rewrite the request path (which is also the reason why we deprecated "zope" type) - the tests have changed a lot, because they were using what's now the "legacy" URL types, so we updated it to use the new URL types with all the /VirtualHostRoot/../ in path and also because they use IPv6 URL, no longer IPv4
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Jérome Perrin authored
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Jérome Perrin authored
and save the already allocated ports in a state file, so that requesting new families does not change already allocated ports.
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Jérome Perrin authored
This reverts commit 620c9332 (stack/erp5: stop using caucase managed certificate for balancer, 2020-11-10) with an updated design. We add a caucase service for balancer in the balancer partition. The caucase service from the root partition (that was not used) is removed. The underlying idea is that the default configuration should use multiple caucases with limited scope, here we have one caucase to manage the certificate used by haproxy server in the balancer partition, so we put one caucase to manage this certificate and the caucase is configured to auto-accept one certificate only. The plan is that when we will add a certificate for mariadb server, we'll add another caucase inside this mariadb server. For more advanced usage and also to support the cases where a new certificate needs to be re-emitted for some reason, users can request with an existing caucase URL. In that case, they will have to accept the certificate requests. Notable changes: balancer/ssl/caucase-url is no longer documented in parameters, this is an internal parameter, users can pass one global caucase service to manage all partition CAUCASE environment variable is no longer set when running zope. There was no identified use case and with this new approach of multiple caucases, the term "caucase" alone became ambiguous.
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Jérome Perrin authored
This is not documented in schema and has no effect in erp5 (but this is still used for slapos-master)
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Jérome Perrin authored
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Jérome Perrin authored
This change the format or the (mostly) unused frontend parameter to support requesting more than one frontend and also enable the request of a frontend by default, so that requesting a frontend separately is no longer needed. The `frontend` parameter now also supports requesting frontends for specific paths on the ERP5 backend, the example below requests a frontend serving directly a web site, with the necessary rewrite rules: ```js { "frontend": { "default": { "internal-path": "/erp5/web_site_module/renderjs_runner/" } } } ``` The example below requests a default frontend to the erp5 root, to access the ZMI or erp5_xhtml_style interface and two web sites: ```js { "frontend": { "default": {}, "erp5js": { "internal-path": "/erp5/web_site_module/renderjs_runner/" }, "crm": { "internal-path": "/erp5/web_site_module/erp5_officejs_support_request_ui/" } } } ``` The example below has an explicit definition of the zope families using `zope-partition-dict` parameter, because there is more than one zope family, no frontend is requested by default: ```js { "zope-partition-dict": { "backoffice": { "family": "backoffice" }, "web": { "family": "web" }, "activities": { "family": "activities" } } } ``` Continuing this example, to have frontends for backoffice and web families, the frontend request can specify the families, like it is demonstrated in the example below. In this example, we don't specify an entry for "activities" family, so no frontend will be requested for this family. ```js { "frontend": { "backoffice": { "zope-family": "backoffice" }, "web": { "zope-family": "web", "internal-path": "/erp5/web_site_module/web_site/" } } "zope-partition-dict": { "backoffice": { "family": "backoffice" }, "web": { "family": "web" }, "activities": { "family": "activities" } } } ```
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Jérome Perrin authored
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Kirill Smelkov authored
Going 0.140 -> 0.142 introduces the following changes: nexedi/slapos.toolbox@0.140...0.142 Test results: https://erp5js.nexedi.net/#/test_result_module/20240215-D4F3CE96 (all ok)
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Jérome Perrin authored
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- 15 Feb, 2024 1 commit
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Thomas Gambier authored
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- 14 Feb, 2024 1 commit
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Jérome Perrin authored
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- 13 Feb, 2024 23 commits
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Kirill Smelkov authored
Typos, whitespace changes, etc...
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Kirill Smelkov authored
Noticed accidentaly: ssb_pos_bitmap is string, not integer - the default should be of the same type.
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Kirill Smelkov authored
Rework UEsim to be able to work with multiple cells, multiple radio units(*), multiple UE all at the same time. RU, CELLs and UEs are now configured, simiularly to eNB, via shared instances. Add tests. Contrary to ORS don't care about backward compatibility here because currently we have just a few UEsim deployments and migrating them should be easy. Please see added schemas, tests and updates slapos-render-config on how to use the new system. (*) contrary to eNB UEsim does not allow to use one RU for two cells,
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Kirill Smelkov authored
It should be already generally supported, but many parameters needs in NR case are currently hardcoded to their TDD values. I've adjusted only a few of them and stopped, becuase there is currently no practical case at hand for me to test it. Still I think it makes sense to save this first step. For ORS, who uses TDD, rendered config stays practically the same: ``` $ ./pythonwitheggs slapos-render-config.py && xdiff -C -C config/{old,out}/ors/ ``` ```diff diff --git a/config/old/ors/gnb/enb.cfg b/config/out/ors/gnb/enb.cfg index ead7f0160..9a260d73f 100644 --- a/config/old/ors/gnb/enb.cfg +++ b/config/out/ors/gnb/enb.cfg @@ -97,6 +97,7 @@ prach: { + ra_response_window: 20, }, pdcch: { @@ -180,7 +181,6 @@ preamble_received_target_power: -110, preamble_trans_max: 7, power_ramping_step: 4, - ra_response_window: 20, restricted_set_config: "unrestricted_set", ra_contention_resolution_timer: 64, ssb_per_prach_occasion: 1, ```
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Kirill Smelkov authored
If a base station has multiple cells, it should be possible for UE to be handed over from one cell into another, for example when UE crosses border of sectors. So far we had only Inter-ENB HO and now we are also adding configuration for HO in between all own cells. Add tests for everything. NOTE: we use allowed_meas_bandwidth, antenna_port_1 in dst=LTE case because otherwise, e.g. for NR->LTE HO if they are not present, lteenb complains: enb.cfg:260: expecting 'allowed_meas_bandwidth' field enb.cfg:260: expecting 'antenna_port_1' field for both Intra-ENB and Inter-ENB handovers. For Intra-ENB case we can compute those numbers from cell definition. For Inter-ENB case, when we don't know target context, we use conservative values.
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Kirill Smelkov authored
We already had CA for LTE+LTE case. Let's also setup it for NR+NR and LTE+NR cases as well. Add tests for everything.
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Kirill Smelkov authored
Currently when setting up cells we allow users to input - dl_earfcn for LTE, and - dl_nr_arfcn and nr_band for NR and from that lteenb automatically computes - ul_earfcn for LTE, and - ul_nr_arfcn and ssb_nr_arfcn for NR everything kind of works out of the box for eNB case when there is simple SDR Radio Unit. Then there are also the following cases: 1. we also need to set UL frequency when configuring Lopcomm RU, or any other ORAN-based Radio Unit. 2. we also need to specify DL/UL frequencies in MHz when configuring Lopcomm RU. 3. when configuring NR peercell it is required to set ssb_nr_arfcn. It is also required to set both dl_nr_arfcn and ul_nr_arfcn, and so far we were setting only DL one and using it for both assuming TDD band. 4. when configuring UEsim we need to specify both dl_nr_arfcn and ssb_nr_arfcn for NR cells. So the problem is that even though lteenb automatically computes UL and SSB frequencies, there is no way for us to reuse results of that computation for scenarios outside of "simple enb" case. As the result we kind of workaround that currently with exposing additional parameters and asking users to look into enb, probably its `cell phy` output, with the following: ---- 8< ---- (from UEsim) "ssb_nr_arfcn": { "title": "SSB NR ARFCN", "description": "SSB NR ARFCN, you can retrieve from ENB/GNB side", or use additional parameters just for ul_earfcn and frequency-in-MHz: ---- 8< ---- (from ru/lopcomm) "txa0cc00_center_frequency": { "title": "Lopcomm ORAN DL Center Frequency in MHz (TXA0CC00)", "description": "Lopcomm ORAN Center Frequency in MHz (TXA0CC00)", "type": "number", "default": 2140 }, "rxa0cc00_center_frequency_earfcn": { "title": "Lopcomm ORAN UL Center Frequency EARFCN (RXA0CC00)", "description": "Lopcomm ORAN Center Frequency EARFCN (RXA0CC00)", "type": "number", "default": 18300 }, "rxa0cc00_center_frequency": { "title": "Lopcomm ORAN UL Center Frequency in MHz (RXA0CC00)", "description": "Lopcomm ORAN Center Frequency in MHz (RXA0CC00)", "type": "number", "default": 1950 }, which prevents automation, opens the door for inconsistencies and puts the load to resolve all that on users. The root cause of the problem is that there is no way to access at instantiation time what lteenb would compute internally. But DL<->UL conversion and DL->SSB conversion is not a difficult task and we can do that on our own. -> Do that here and solve all the problems listed above in one go. For frequency computations we use my xlte.earfcn and xlte.nrarfcn modules and upstream nrarfcn egg. For this xlte is updated(*) to primarily pick up kirr/xlte@6cb9d37f kirr/xlte@b8065120 and the rest of the conversion is in slaplte to use corresponding dl2ul and dl2ssb routines. For consistency ul_earfcn and ul_nr_arfcn now become input parameters for LTE and NR cells, but optional. If they are absent - they are computed with defaults, but a user can now control them explicitly. The same applies for ssb_nr_arfcn. This patch does not convert UEsim yet, because UEsim does not use rulib yet and will be handled all in one go in a follow-up step. The computation routines are thoroughly tested. First they have unit tests inside XLTE itself, then we also update our tests in generic test/test.py here with explicitly checking that correct numbers are emitted for UL and SSB frequencies, and third I've also verified SSB computation results with respect to https://tech-academy.amarisoft.com/OutOfBox_UEsim_SA.html#Tips_SSB_Frequency . All this creates a base to be sure that the computations are correct and we are indeed safe to switch our frequencies computation modules. (*) full upgrade brings kirr/xlte@e716ab51...8e606c64 ; nrarfcn egg: https://pypi.org/project/nrarfcn/
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Kirill Smelkov authored
So far in the unit tests we were only generating enb.cfg without semantically processing as running lteenb is not possible on testnodes due to licensing restrictions. That allowed to use arbitrary numbers, even invalid, for frequencies without hitting an error. However in the next patch we are going to start handling frequencies ourselves, and invalid frequencies will lead to instantiation failures like ... in dl2ul(dl_earfcn) KeyError: 'no band that corresponds to DL EARFCN=325320' Avoid that by switching to valid LTE and NR frequency numbers in the test.
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Kirill Smelkov authored
Radio Units like Lopcomm ORAN require explicit activation for the radio. Generalize this and introduce a generic parameter for explicit activation of the radio on any RU. Default it to _INACTIVE_ so that radio happens only when it is explicitly asked to be on for real. But preserve backward compatibility for ORS which used to do "radio on" by default. disable_sdr becomes ORS-specific parameter. Lopcomm-specific txa0cc00_active and rxa0cc00_active go away and are replaced by txrx_active usage.
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Kirill Smelkov authored
I.e. apply not only to SDR but to all Radio Units and expecting that they apply to them with the same uniform semantic of controlling Tx/Rx amplifiers on on the RU. - For SDR nothing is changed. - For Lopcomm txa0cc00_gain goes away and is replaced by tx_gain. For rx_gain there is a question as I could not find offhand how to control aplifier on RX circuit there. - For Sunwave tx_gain/rx_gain, as with lots of more(*) is TODO.
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Kirill Smelkov authored
For example by publishing on RU the list of CELLs that are using it. While at it and as we are introducing per-RU publication, fix a long-standing TODO in ru/lopcomm to publish RU-specific information in per-RU way instead of global.
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Kirill Smelkov authored
Instead of publishing it on enb with prefixing by cell reference. It is more logical to have cell input parameters on the cell instance and also have output parameters about that cell published on that same instance. For now it is all only what was input. But in the next patches we'll extend set of published information with also computed things, so it won't remain trivial.
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Kirill Smelkov authored
For example if we need to do 4T4R but have SDR boards with only 2T2R ports, we need to combine two such boards into single RF port. Allow to do that via changing SDR schema from taking sdr_dev into accepting sdr_dev_list and adjusting the code everywhere correspondingly. For ORS full backward compatibility is preserved via adjusting "ORS mode" proxy correspondingly. One example in slapos-render-config.py is changed from 2T2R to be 4T2R on such RF port combined from two SDR boards. For that example the diff for rendered enb.cfg is as follows: --- a/config/old/enb/iRU1_SDR_tLTE2_tNR/enb.cfg +++ b/config/out/enb/iRU1_SDR_tLTE2_tNR/enb.cfg @@ -8,7 +8,7 @@ rf_driver: { // __CELL__a__ru 4T2R (sdr) name: "sdr", - args: "dev0=/dev/sdr0", + args: "dev0=/dev/sdr0,dev1=/dev/sdr1", }, tx_gain: [51, 51, 51, 51], rx_gain: [52, 52], All other cases, including ORS, remain without any change.
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Kirill Smelkov authored
We currently have at least the following problem: 1. a malfored shared instance reference leads to instantiation failure and potential buildout code injection. For example if reference of shared instance contains space then buildout fails with something like zc.buildout.configparser.ParsingError: File contains parsing errors: .../instance-enb.cfg [line 45]: '[promise-testing partition 0.RU-sdr-busy]\n' since, when requesting, it is possible to use arbitrary characters for references, including newline, it also opens the door for code injection attacks. 2. we currently use `json` directive of slapos.recipe.template e.g. as extra-context = json iru_dict {{ rulib.iru_dict | tojson }} this also potentially leads to instantiation failure if JSON(rulib.iru_dict) contains buildout control characters. Solve this problems. For 1 we develop "buildout encoding" that encodes arbitrary string into form that is safe to be used as a name of buildout section. This encoding never fails and does not loose information, which means it is safe to be applied unconditionanly and there is no chance for two string inputs to result in the same encoded form. The encoding also has practical property that it leaves most of the strings, that we use in our buildot profiles, intact. Which means that the result of the encoding is readable and the encoding can be applied almost unconditionally to all strings without hurting instantiation. Then this encoding is applied wherever reference of a shared instance is used to form e.g. name of buildout section or inside other codes. We apply this encoding universally - in config files too to avoid breakage there - e.g. in enb.cfg to protect from e.g. \n being inserted in the middle of comment resulting in YAML breakage. See documentation of added xbuildout.py for details. For 2 we switch from `json` to using `dumps` on an object and referring that dumps result via `key` directive. See the following links for preliminary discussions with Jérome and Vincent on this topic: kirr/slapos@d5d4f7c8 nexedi/slapos@bf6b2ef3
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Kirill Smelkov authored
As promised add tests for generic enb that exercise enb instantiation with multiple Radio Units and cells in all kind of combinations: FDD|TDD x LTE|NR x SDR|Lopcomm|Sunwave and not only one particular case, but verifying instantiation with many combinations at the same time - verifying how cells of different kinds are handled and how radio units of different kinds are handled too. Using multiple cells on top of several radio units of the same type is verified too. For Lopcomm we also exercise generated cu_config.xml a bit. See added tests for details. Enb/generic tests are bootstrapped now. From now one every fix to enb/generic and every semantic change will go on only if it is accompanied test change or enhancement.
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Kirill Smelkov authored
software/ors-amarisoft: ru: amarisoft-stats.jinja2.py: Don't hardcode n_antenna_ul=2 on testing=True This usually matches ORS expectations, but for testing generic enb it is inappropriate and work work good, because in those tests there are more uplink channels. -> Fix the code to detect how many uplink channels are there automatically.
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Kirill Smelkov authored
As promised in indicated TODO. It is useful for debugging and for being able to take all the rendered files, copy them to a callbox, and to be able to run lteenb directly on them. Besides enb.cfg we need to also have those drb and asn23, because enb.cfg references them.
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Kirill Smelkov authored
Extend slapos-render-config to simulate not only what ORS does, but also simulate multiple radio units and/or multiple cells with RU being SDR or CPRI-based Lopcomm. It is useful as an example on how to configure things in new "shared instances" MultiRU, and to verify handling of all those combinations.
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Kirill Smelkov authored
software/ors-amarisoft: enb/generic: Switch configuration of RU, cell, peer and peercell to shared instances Previously we had cell_list, ncell_list and peers parameters and we now remove them and rework the software release to accept configuration for said objects via shared instances. In other words now it is possible to add Radio Units, cells, peers and peer cells on on top of main eNB service. Schema for parameters of those shared instances is based on what we just recently generalized and established in ru/ cell/ peer/ and peer/cell/ input schemas. We only add cell_kind=enb|enb_peer addition field to be able to distinguish a cell from peercell object, and we add a way for cell to reference RU one way or another. RU-CELL relation is no longer 1-1: one RU can be generally serving multiple cells. For example transmission bandwidth of SDR100 board is ~ 100MHz while bandwidth of one LTE cell is max 20MHz. This way it is possible to put several cells whose frequencies are nearby each other to be run on the same SDR board(*). And in general one Radio Unit can be serving transmission/reception in multiple frequency ranges, thus providing ability for multiple cells to be served by RU. This way RU is split off from CELL object and each CELL needs to say which RU object it wants to use. There are 3 ways to configure CELL->RU links: 1. CELL references a RU object. This is the most general. 2. CELL embeds definition of RU object. This variant is provided for simplicity of management for users that do not want to split CELL/RU relations. 3. CELL2 references another cell object and says to use the same RU as CELL1. Again, this variant is provided for simplicity of management when users want to add a cell on top of same RU when they already started with "2". Full backward compatibility is provided for ORS. For this instance-ors-enb.jinja2.cfg is adjusted to inject synthetic RU/CELL/PEER/PEERCELL shared instances instead of translating to slapparameter_dict. As the result for ORS users it works without visible change as parameters with original ORS schema are handled as expected. Rendered files for ORS also stay practically the same as before this patch. The main change is in slaplte.jinja2 - in the loading routines. The other changes are mostly straightforward adaptation because details of how ru_dict, cell_dict, peer_dict and peercell_dict are loaded were already localized to slaplte and the rest of the code independent from that. Now, once we switched to shared instances, we will be finally able to add tests for updated enb. Please see a soon follow-up patch for that. And for existing test_ors.py we also temporary workaround breakage of tests, because currently generic code does not handle well special characters in partition references. For example it currently breaks on spaces with buildout complaining that sections with spaces in their name are invalid. We will fix that in another soon-followup patch as well, but apply a workaround for now. (*) see https://tech-academy.amarisoft.com/SDR_MultiCell_OneSdr.html for details. -------- Appendix. Diff for rendered ORS enb.cfg and gnb.cfg before and after this patch: ``` $ ./pythonwitheggs slapos-render-config.py && xdiff config/{old,out} ``` ```diff diff --git a/config/old/ors/enb/enb.cfg b/config/out/ors/enb/enb.cfg index 15f3b68e9..6046d366e 100644 --- a/config/old/ors/enb/enb.cfg +++ b/config/out/ors/enb/enb.cfg @@ -6,7 +6,7 @@ // Radio Units rf_driver: { - // CELL-RU 2T2R (sdr) + // RU 2T2R (sdr) name: "sdr", args: "dev0=/dev/sdr0", rx_antenna:"tx_rx", @@ -28,7 +28,7 @@ // LTE cells cell_list: [ - // CELL (CELL-RU) + // CELL (RU) { rf_port: 0, n_antenna_dl: 2, @@ -46,7 +46,7 @@ // Inter-ENB HO { rat: "eutra", - cell_id: 0x12345, // -> 1 + cell_id: 0x12345, // -> PEERCELL1 n_id_cell: 35, dl_earfcn: 700, tac: 123, diff --git a/config/old/ors/gnb/enb.cfg b/config/out/ors/gnb/enb.cfg index ac564db6c..9473f3207 100644 --- a/config/old/ors/gnb/enb.cfg +++ b/config/out/ors/gnb/enb.cfg @@ -6,7 +6,7 @@ // Radio Units rf_driver: { - // CELL-RU 2T2R (sdr) + // RU 2T2R (sdr) name: "sdr", args: "dev0=/dev/sdr0", rx_antenna:"tx_rx", @@ -35,7 +35,7 @@ // NR cells nr_cell_list: [ - // CELL (CELL-RU) + // CELL (RU) { rf_port: 0, n_antenna_dl: 2, @@ -58,7 +58,7 @@ // Inter-ENB HO { rat: "nr", - nr_cell_id: 0x77712, // -> 1 + nr_cell_id: 0x77712, // -> PEERCELL2 gnb_id_bits: 22, n_id_cell: 75, dl_nr_arfcn: 520000, ```
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Kirill Smelkov authored
We already have peer cells in the setup of generated enb/gnb, but there were no X2/XN peers there. Add them to be able to see how handling of peers works. Rendered files change as expected: ``` $ ./pythonwitheggs slapos-render-config.py && xdiff config/{old,out} ``` ```diff diff --git a/config/old/ors/enb/enb.cfg b/config/out/ors/enb/enb.cfg index 252c2e379..15f3b68e9 100644 --- a/config/old/ors/enb/enb.cfg +++ b/config/out/ors/enb/enb.cfg @@ -22,7 +22,7 @@ }, ], gtp_addr: "127.0.1.1", - x2_peers: [], + x2_peers: ["44.1.1.1", "44.1.1.2"], enb_id: 0x1A2D0, // LTE cells diff --git a/config/old/ors/gnb/enb.cfg b/config/out/ors/gnb/enb.cfg index b401f3513..ac564db6c 100644 --- a/config/old/ors/gnb/enb.cfg +++ b/config/out/ors/gnb/enb.cfg @@ -22,7 +22,7 @@ }, ], gtp_addr: "127.0.1.1", - xn_peers: [], + xn_peers: ["55.1.1.1", "55.1.1.2"], gnb_id_bits: 28, gnb_id: 0x12345, en_dc_support: true, ```
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Kirill Smelkov authored
The procedures to generate those are currently very similar, and that's why we employ a shared `do` function to render them. But enb and ue rendering will become different from each other in the next step. -> Prepare to that by pushing necessary bits of do into do_enb and do_ue insides. No change in rendered files.
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Kirill Smelkov authored
software/ors-amarisoft: slapos-render-config: Retarget currently generated enb.cfg and gnb.cfg to out/ors/ Besides ORS we will soon add other cases to enb.cfg generation. It will be handy to clearly see what is what and to keep ORS case to be also alive and distinguished. Prepare to that by emitting generated enb.cfg and gnb.cfg to out/ors/enb/ and out/ors/gnb instead of just out. Name the file itself enb.cfg always to match what happens for real in the SR. There is no change to generated files - it is only renaming: ``` $ ./pythonwitheggs slapos-render-config.py && xdiff config/{old,out} ``` ```diff diff --git a/config/old/enb.cfg b/config/out/ors/enb/enb.cfg similarity index 100% rename from config/old/enb.cfg rename to config/out/ors/enb/enb.cfg diff --git a/config/old/gnb.cfg b/config/out/ors/gnb/enb.cfg similarity index 100% rename from config/old/gnb.cfg rename to config/out/ors/gnb/enb.cfg ```
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Kirill Smelkov authored
In other words merge enb and gnb into sole enb that can handle both LTE and NR cells at the same time and simultaneously. Previously which type of Radio Access Technology to use - LTE or NR - was static parameter of particular software - it was possible to instantiate cells only with selected RAT for particular template. In MultiRU it is possible to generally instantiate all kind of cells - LTE/NR and TDD/FDD all at the same time and each served by a different kind of Radio Unit. -> Switch cell type to be runtime parameter as the final step to be able to do that. For generic cell definitions are now required to come with cell_type=lte|nr parameter. In schemas cell_list now includes oneOf for lte|nr cell instead of particular cell type. Similar adaption is done for ncell_list and x2_peers/xn_peers are merged into just peers with similar oneOf. Global gnb-specific parameters of went-away gnb are also added as global ones to enb: - gnb_id - gnb_id_bits - amf_list - plmn_list (as plmn_list_5g not to conflict with plmn_list) - nssai They must be present if there are NR cells. Full backward compatibility is preserved for ORS: now it injects cells to generic with particular cell_type annotations and translates ORS-specific x2_peers/xn_peers and gnb/plmn_list to proper generic parameters. In ORS-gnb schema gnb_stats_fetch_period and gnb_drb_stats_enabled had to be renamed to enb_stats_fetch_period and enb_drb_stats_enabled, but once again, full backward compatibility is preserved because ORS mode already had the following in its proxy: {#- backward compatibility: if ORS is running in gnb mode, and gnb_* parameters are present, replace their generic enb_* counterparts with gnb_* ones #} ... The diff for rendered enb.cfg and gnb.cfg, that simulate ORS, before and after hereby patch is also empty.
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