Commit Graph

2641 Commits

Author SHA1 Message Date
Alexander Couzens db07a44988 gprs_ns2_sns: implement outbound SNS DEL procedures
When removing a bind the remote side needs to be
informed via the SNS DELETE procedure.

Related: OS#5036
Change-Id: I53cd54dfd262c70c425c3f13dad3b29526daa523
2021-09-04 01:10:16 +02:00
Alexander Couzens 9cd39ac6ac gprs_ns2_sns: implement outbound SNS ADD procedures
When adding a bind, the remote side needs to be
informed via the SNS ADD procedure.

Related: OS#5036
Change-Id: I71c33200bd1f0307ceb943ee958db5ebe3623d36
2021-09-04 00:00:48 +02:00
Alexander Couzens 1f3193d344 gprs_ns2_sns: implement local change weight procedure
When changing the bind ip-sns weight, initiate a
SNS CHANGE WEIGHT procedure to inform the other side.

Related: OS#5036
Change-Id: Icec4dabb46bc198f68f91bfe09ba279fbe68d454
2021-09-04 00:00:48 +02:00
Alexander Couzens f074659520 gprs_ns2: don't use llist_for_each when freeing an element
The problem are recursive execution because a free generates an event which could
allow the use to free a nsvcs while the llist_for_each() is still running.

Change-Id: I902557fb6e56e6588728a46e43a9cbe3215d5c68
2021-09-04 00:00:48 +02:00
Alexander Couzens 4bfcce6c54 gprs_ns2: gprs_ns2_free_bind() should remove itself before removing nsvcs
When removing NSVCs before removing the bind from the SNS list, the removing NSVCs could
trigger a creation of a new NSVC on the same bind ending in a
while(true) loop.

Change-Id: I6f497348f75fb479427d8a4c23313e33fbc62036
2021-09-04 00:00:48 +02:00
Alexander Couzens 83f06cea0a gprs_ns2: use an event to free the nsvscs when using SNS
Otherwise there could be recursive loop when free'ing NSVCs which
in the end create an event which the SNS want to free the NSVCs a
second time

Change-Id: Ie99ba5fe8a84519fe8a8c0abdf875606715ab7f6
2021-09-04 00:00:48 +02:00
Alexander Couzens a27078266a gprs_ns2_sns: rework sns clean up
Move the cleanup into it's own state. Also changing the
SGSN unconfigured state which won't be triggered when a
SIZE is received.

Change-Id: I2639345fdf3cd300a934238d676c543065ceaa8b
2021-09-04 00:00:48 +02:00
Alexander Couzens 175eb7be1b gprs_ns2: move sns_event into internal.h to direct emit events
When other parts of ns2 requires to emit an event to the SNS fsm it would
need a proxy function because the events are private to the
SNS file. To circumvent creating multiple proxy function make the events
available via a header file.

Change-Id: I8e3fae4367c112b5a71bffb33c302d903855cddc
2021-09-04 00:00:48 +02:00
Pau Espin 51933840ff gsm_08_58.h: Extend IPA Power Control Params IEs to pass C/I params
This commit adds new Osmocom specific IEs required to pass C/I related
Power Control Parameters osmo-bsc => osmo-bts to be used by the MS Power
Control Loop being implemented.

Related: SYS#4917
Change-Id: Iffef0611430ad6c90606149c398d80158633bbca
2021-09-03 15:32:50 +00:00
Philipp Maier 58f76d8b90 bts_features: Add new feature to indicate support for temporary overpower
To indicate to the BSC that a BTS supports temporary overpower of
SACCH/FACCH channels a new feature BTS_FEAT_ACCH_TOP is added.

Change-Id: I62fbfc30acd5d67b20727b75a8f256e6b5d31e06
Related: SYS#5319
2021-08-31 19:54:28 +00:00
Philipp Maier 0e44a7203c rsl: add new RSL IE to signal temporary overpower
To transfer the temporary overpower value from the BSC to the BTS, a new
RSL IE (RSL_IE_OSMO_TOP_ACCH_CAP) is added.

Change-Id: I31c5be4bceb9140d63ab8e2f197f0acc68699426
Related: SYS#5319
2021-08-31 19:54:28 +00:00
Philipp Maier cfea39ba13 gsm0503_coding: use ahs tables when encoding ahs codec id
The encoder function gsm0503_tch_ahs_encode uses gsm0503_afs_ic_ubit
when encoding the CMR or FT (depends on the frame number). This is not
correct. It should use gsm0503_ahs_ic_ubit instead.

Change-Id: Id250b2102ac79ff222bd3ad9d1abc4b60abdd12b
Related: SYS#5549
2021-08-31 16:05:20 +02:00
Neels Hofmeyr 923cb84270 vty 'stats reset': do not reset stat_items
Exempt all stat_item statistics from 'stats reset'. Only reset rate_ctr
statistics to zero.

The rate_ctr statistics have an implicit time scale, counting occurences
per time unit. For them it makes sense to reset all ratings and start
from zero, for example in a test suite (e.g. our TTCN3 BSC_Tests).

In contrast, stat_item statistics count number of objects or nr of
specific object stati at any given time, and they do not deteriorate
over time. Many stat items depend on increment/decrement to be sane.

For example, in osmo-bsc, if the nr of connected BTS is 3, that does not
make sense to be reset to zero. There are still 3 BTS connected, only
the stat_item would suddenly reflect zero. From then on, it'd be wrong.

All stat_items are by definition wrong after a 'stats reset'.
- Those that depend on increment/decrement will be wrong until the
  program exits, and
- those that are set to absolute values will be wrong up until the next
  value is set. That could be seconds or hours later, depending.

Related: SYS#5542
Change-Id: If2134768b1076e7af189276c45f2a09a4944303e
2021-08-23 21:22:16 +02:00
Oliver Smith 11da4a4abd stats: send real last value if no new values come
Background:
* Individual values can be added to osmo_stat_item.values at any time.
* Stats are reported at a fixed interval (see vty 'stats interval'),
  e.g. every 10 seconds.
* In order to report a new stat value, we use the maximum of all
  osmo_stat_item.values added since the last report.
* By default, we do not send new stat values if they did not change
  (see vty 'config-stats' -> 'flush-period' default of 0).

Fix the following bug:
* If 'flush-period' is 0, and no new osmo_stat_item.values are coming
  in, the last value that gets reported is not necessarily the last
  entry in osmo_stat_item.values.
* For attached reporters (statsd), it could then be that the given stat
  stays at the wrong value for a long stretch of time (think of several
  hours/days/forever).

Explanation of how the test shows that it is fixed:
* stats get reported (value is irrelevant)
* osmo_stat_item gets a new value: 20
* osmo_stat_item gets a new value: 10
* stats get reported (value: 20, the maximum of both new values)
* osmo_stat_item gets no new values
* stats get reported (value: 10, this is new because of the bug fix,
  the real last value in osmo_stat_item, different from the 20 sent
  earlier, without the fix it would not send anything here and the last
  sent value would be 20)
* osmo_stat_item gets no new values
* stats get reported (nothing gets sent, since the real last value was
  already sent and 'flush-period' is 0)

Fixes: OS#5215
Change-Id: Ibeefd0e3d1dbe4be454ff05a21df4848b2abfabe
2021-08-20 14:04:54 +00:00
Alexander Couzens 41589a3e7a gprs_ns2: add recursive anchor to protect against double free
When free'ing a NSE/NSVC/BIND ensure there can't be a double
free by using a free anchor in the struct.

Recursive free's can happen when the NS user reacts on an event
(e.g. GPRS_NS2_AFF_CAUSE_VC_FAILURE) and calls the free().
Or when the user free's a NSVC when the NSE uses SNS as configuration,
the fsm tries to free it again.

Change-Id: If9823aadaa936e136aa43e88cee925ddd5974841
2021-08-13 09:55:51 +00:00
Alexander Couzens 1c40525f44 gprs_ns2_sns: free the NSE if the SIZE PDU is not valid
The SGSN fsm should be freed when becoming invalid instead of going
into the unconfigured state. The unconfigured states should be only used
when creating the NSE (on the SGSN side).

Change-Id: Ife889091ecba4180a90743deb786767008fe863d
2021-08-13 09:55:51 +00:00
Alexander Couzens 652ab4da5f gprs_ns2_sns: refactor SNS failures into a function
The SNS fsm is similar for BSS and SGSN.
Terminate the SGSN failures by freeing the NSE.

Change-Id: I1896f6c3ddb4f98ca261139c1cc77aa8f1558c6f
2021-08-13 09:55:51 +00:00
Alexander Couzens 20ed591036 gprs_ns2_udp: don't start the NSVC fsm for SNS
The SNS code will always create NSVC on it's own. The only case
when the SNS dialect allows dynamic NSE/NSVC is on the SGSN side when accepting
dynamic NSE and receiving the first SNS SIZE. In this case the NSVC FSM must not be started yet.
Prevents sending NS_ALIVE before the SNS configuration has been
finished.

Change-Id: I86275c99432262b3c19c1ded9a77090b74303bc8
2021-08-13 09:55:51 +00:00
Oliver Smith 053ad96600 vty: clear screen with ^L
Use ANSI escape characters to clear the screen with ^L, like it works
in typical Linux shells. I always found it slightly inconvenient that
this didn't work in the VTY.

Change-Id: Ie2356cd92f39b4dc28b5c20bbe4557fb0d972747
2021-07-27 12:38:28 +00:00
Pau Espin 26a42c0783 gb/bssgp: Abort clearly if backward-compat API is used in wrong way
Some tests under osmo-pcu (TbfTest) were caught accessning NULL pointer
bssgp_nsi in bssgp_tx_llc_discarded triggered by timeout while stepping
slowly with the debugger.

It seems that test is not properly using neither the old nor the new
API. Let's catch such cases easily.

Change-Id: I3ea42755c4bfd29e4a01ad57f186f28d58ab466a
2021-07-26 14:39:46 +02:00
Pau Espin f26490b07b cosmetic: gb/gprs_ns.c: fix trailing whitespace
Change-Id: I842efdb93c9b480d5ab35c78b0bc60697262874a
2021-07-26 14:35:23 +02:00
Oliver Smith 95a03e54ef vty: show uptime: use timespecsub
Related: OS#4609
Change-Id: If94795b3cd74040c49bdcbed8c410bf6e950afff
2021-07-19 09:01:15 +02:00
Pau Espin 6fe865daae Make gcc 11.1.0 false positivies happy
After my system's gcc was upgraded, I get false positivies in a couple
places. Let's initialize those to make gcc happy.

"""
/git/libosmocore/src/socket.c: In function ‘osmo_sock_init’:
/git/libosmocore/src/socket.c:958:25: error: ‘sfd’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  958 |                         close(sfd);
      |                         ^~~~~~~~~~

/git/libosmocore/src/gsm/gsm48.c: In function ‘osmo_mobile_identity_decode’:
/git/libosmocore/src/gsm/gsm48.c:690:20: error: ‘str_size’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  690 |         if (rc < 1 || rc >= str_size) {
      |             ~~~~~~~^~~~~~~~~~~~~~~~~
/git/libosmocore/src/gsm/gsm48.c:679:22: error: ‘str’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  679 |                 rc = osmo_bcd2str(str, str_size, mi_data, 1, 1 + nibbles_len, allow_hex);
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"""

Change-Id: I8aacfbc21e23f63a65e8baee3fd536a1fe1bdd8a
2021-07-16 16:01:30 +00:00
Oliver Smith 8a482fd0a8 vty: add "shutdown"
Kill programs with SIGTERM with the new vty command, as it would happen
with "systemctl stop".

I've considered running the select shutdown logic too in order to ensure
that pending OSMO_FD_WRITE requests are serviced. But as noted in
review, it's better to ensure that the regular SIGTERM code path works
as expected and call that instead of introducing an alternative code
path.

Closes: OS#4609
Change-Id: I3596a35b0f4a24e49484ec3f24a98e4d4f583e1e
2021-07-15 12:51:44 +02:00
Oliver Smith 0c78bc628e vty: add "show pid"
Related: OS#4609
Change-Id: Ib636050afc1eed134f450f2f1cdd3b51153b0160
2021-07-15 12:51:44 +02:00
Oliver Smith d243c2ad73 vty: add "show uptime"
Related: OS#4609
Change-Id: Ic7d9d5d3c8a9abd06a7e626aed7679f68406040c
2021-07-15 12:50:24 +02:00
Alexander Couzens a140d44a4f gprs_ns2: ensure the NSE becomes dead when FR link went down
The FR code is using force unconfigured to change the state of the NSVC
when the FR link goes down. The force unconfigured state didn't
notified the NSE when changing into this state.

Related: SYS#5533
Change-Id: I4d7bbbbce26f7cde99eebe96995c50b1e812e5bd
2021-07-13 07:43:06 +00:00
Daniel Willmann efa64f9429 Aggregate NSVC stats inside the NSE
Change-Id: Ifa3c85ec52bda14596e9d7a8705baa1fd4ee2010
Related: OS#4998
2021-07-09 20:35:00 +02:00
Neels Hofmeyr 5aa421f7c1 fix api doc of osmo_identifier_sanitize_buf()
The implementation cleary replaces sep_chars instead of keeping them.
Adjust the doc to clarify that.

It seems to me that the intention was to *allow* sep_chars instead of
replacing them, especially when looking at sep_chars of
osmo_separated_identifiers_valid(). But we're stuck with that now.

Change-Id: Ia842a7eeb46b49ee364be55c1194e463ebcaf392
2021-07-09 11:52:17 +00:00
Alexander Couzens 5e040bf1f1 gprs_ns2_vty: dump_nsvc: change output depending on NSVCI
If the NSVCI is valid, there is no signalling or data weight defined (internally this is 1).
For NSVC with NSVCI don't print the signalling or data weight.
For NSVC without NSVCI, don't print NSVCI at all.

Related: OS#5180
Change-Id: Iaadc806a9136436468e2b02eb0bc1f4570a10ecc
2021-07-06 09:50:23 +00:00
Alexander Couzens 6ba77a3770 gprs_ns2: fix wrong format string in Tx Size logline
Don't use %u for integer.

Change-Id: I324836ec4943c97f0dbc16ade697c468eba02b35
2021-07-06 09:50:00 +00:00
Alexander Couzens 56287d26fe gprs_ns2: use gprs_ns2_free_bind() to clean up a bind
gprs_ns2_free_bind() takes care of all required steps to clean up a bind.
The driver->free_bind() operation only cleans up the driver internal state
but not NSVCs and other generic things.
Fixes a crash when free'ing a bind from the vty which has active NSVCs.

Related: OS#5195
Change-Id: I0a2ad22905bcacb929b9b5f5b034af0da3081826
2021-07-06 11:21:30 +02:00
Alexander Couzens 31cf166511 gprs_ns2: correct mtu value in the log line
The log line should describe what's reported towards the NS user
and not the NSE MTU itself

Related: OS#5192
Change-Id: I3f5445a1ba8c89c4023ff48be15a80569a128528
2021-07-02 17:38:12 +02:00
Alexander Couzens a6096ad367 gprs_ns2: fix check of MTU changes for frame relay
The frame relay needs 2 byte for data packets.

Related: OS#5192
Change-Id: I02d4e81896a473aeb79ea2f2983e12324244048f
2021-07-02 17:38:02 +02:00
Alexander Couzens db7b2ab36b gprs_ns2: fix crash when changing the MTU
When the MTU changes for any fr device, all
NSE will recalculate their MTU. If any NSE is alive,
libosmocore will crash.

Related: OS#5192
Change-Id: I31ba5cefea7bbb0b74060d6664b42c58815ee2a1
2021-07-02 17:38:02 +02:00
Pau Espin d9825c0a2c bts_feature: Introduce feature to confiure dyn ts as sdcch8
This feature signals support to configure Osmocom Dynamic Timeslot type
as SDCCH8, on top of historically supported TCH/H and TCH/F.
The idea is that when unneeded, the TS is configured as PDCH, and as
soon as there's need for an SDCCH and there's none available, the TS is
dynamically reconfigured to SDCCH8. Once all logical channels in the
dynamic TS are released and hence becomes free, the BSC will reconfigure
it to PDCH.

Related: SYS#5309
Change-Id: Ifc0ca8916bd3e93e5a60a7dd7391d2588fdb5532
2021-06-30 13:15:02 +02:00
Pau Espin 45dc9d00fe Rename osmo dyn ts enums
They will gain support to be activated as SDCCH/8 soon too. Since new
name would start to be too large, use a more generic naming for it.

Related: OS#5309
Change-Id: I56dcfe4d17899630b17f80145c3ced72f1e91e68
2021-06-30 13:14:08 +02:00
Neels Hofmeyr 26e53b181c add fixme: enforce 8 byte length of Kc
Change-Id: I57efb0a24cb71b365189eccb5088b130fad15093
2021-06-29 22:35:03 +02:00
Daniel Willmann c7f547f897 ns2: Ignore NSVC with data_weight 0 for data
Change-Id: If0c2bee285f85110771326e07b513fc3e3f9d3f0
Fixes: OS#5189
2021-06-29 13:18:42 +02:00
Vadim Yanitskiy 1c2a329f85 bts_features: add feature for BCCH carrier power reduction mode
Change-Id: I69283b3f35988fc7a1a1dcf1a1ad3b67f08ec716
Related: SYS#4919
2021-06-25 19:34:52 +02:00
Neels Hofmeyr e4378b7e38 gsm0808: add Kc128 to Handover Request
Change-Id: Ieb6e43eef9e57281d54d4b7c63664668df5aef3e
2021-06-25 08:19:04 +00:00
Alexander Couzens 8138c53a32 gprs_ns2_vc_fsm: reset the ALIVE response time when stopping test
Prevent showing a response time when the NSVC has failed.

Related: OS#5089
Change-Id: I5435077d35ff1ae3d743ea1b1b8ace7f0fb913cf
2021-06-25 08:12:39 +00:00
Alexander Couzens e09deb6355 gprs_ns2: fix missing notify towards the NSE when NSVC become blocked
The NSE wasn't notified when a NSVC went into the BLOCKED state from
an UNBLOCKED state.

Related: OS#5182
Change-Id: I09634e414e9bb966e6b5809b7de1b59fbabd413d
2021-06-25 08:12:39 +00:00
Alexander Couzens d5cd8c61cb gprs_ns2: use llist_add_tail to keep order
When configuring multiple NSE/BINDs the order of the configuration
should be keeped.

Related: OS#5181
Change-Id: Ibbc03f0780b49543b5bd97ee059f11cfd6c2a126
2021-06-25 08:12:39 +00:00
Neels Hofmeyr 4a9756c17a add Kc128 to gsm0808 Create Ciphering Command
Prepare for A5/4 support in osmo-msc.

Add new function gsm0808_create_cipher2() which takes a struct as
argument instead of individual fields. This is akin to e.g.
gsm0808_create_handover_request() below in the file, and allows
backwards compatibly extending the argument list without needing a new
function signature every time.

Add struct gsm0808_cipher_mode_command, as argument list for
gsm0808_create_cipher2(), with kc128 included.

Encode the Kc128 IE in gsm0808_create_cipher2().

Implement gsm0808_create_cipher() by calling gsm0808_create_cipher2().

Change-Id: Ib3906085e0c6e5a496a9f755f0f786238a86ca34
2021-06-21 00:36:46 +02:00
Philipp Maier eabc6fd4b1 vty: make function cmd_range_match() public
Certain control interface commands also may require to verfy a range in
their verify function. cmd_range_match() from the VTY does exactly that
and the range can be specified as string, the same way as we would
specify it in the VTY.

Change-Id: I53fc207677f52b1dc748b01d58424839cdba807c
related: SYS#5369
2021-06-18 12:31:01 +00:00
Neels Hofmeyr ac49bda4d4 osmo_select_shutdown_request(): allow finishing pending writes on SIGTERM
Allow telling osmo_select_main* to only service pending writes (shutdown
mode). Introduce API fuctions to indicate a shutdown request, and find
out whether shutdown is complete.

Some osmo programs have a curious sleep of few seconds upon receiving
SIGTERM. The idea presumably was to finish off pending writes before
halting the program. But a sleep() on program exit is annoying,
especially when there usually are no pending writes, and when osmo-bsc
is launched numerous times for tests.

Change-Id: Ib94d4316924103459577087c2214188679db2227
2021-06-18 12:22:44 +00:00
Daniel Willmann 8158882b54 stats_vty: Improve generation of osmo counters
Use section for all counter headings, the idea is that the generated doc
is included below a chapter describing the implemented counters which
can optionally describe individual items.

If not osmo_counters are present simply omit the whole section to tidy
up the manual. Those are deprecated anyway and not used in the osmo-*
projects that I checked.

Change-Id: I126b39cb9458e0f62efa338967e07151a0eece0f
Related: SYS#5005, OS#4523
2021-06-16 20:39:06 +00:00
Philipp Maier b6fd8edae9 control_cmd: fix typo
Change-Id: I9deaee42aeb0ab0549cc7c4f180ad9c216b9df39
2021-06-16 20:31:58 +00:00
Pau Espin d1b0716242 ctrl: Support recovering from short write
osmo_wqueue has support for it, so simply handle it correctly in the
callback (updating buffer and returning -EAGAIN).

Related: OS#5169
Change-Id: I6cbc7ec6ae6832e61cddf4402332ba09b142a7d4
2021-06-15 16:29:44 +00:00
Pau Espin f5b8ed14a9 ctrl: Pre-calculate required size before allocating msgb
This commit fixes crash when response is more than ~4096 chars.
Furthermore, we now allocate only the required memory, not 4096 for all
messages, which usually don't require it.
Test needs to be adapted since it assumed there was more available space
at the end of the msgb.

Related: OS#5169
Change-Id: I0b8f370f7b08736207f9efed13a0663b5e482824
2021-06-15 16:29:44 +00:00
Alexander Couzens 68ab9c4193 gprs_ns2_sns: bss: set gss->family
gss->family (and gss->ip) was never set.
So IPv6 should have never worked.

Fixes: e769f5226b ("gprs_ns2_sns: rework IP-SNS initial remote")
Related: OS#5036
Change-Id: I4e39dc5c7f766a7040645ceb62afdf6a9cfad00f
2021-06-13 18:31:51 +00:00
Alexander Couzens 077ce5ac94 gprs_ns2_sns: replace ns2_sns_type with address family
Reduces the code as the conversion between address family (bind)
and ns2_sns_type is not needed anymore.

Related: OS#5036
Change-Id: I1bcdd43af34c926d4b88491d00669422c299bef7
2021-06-13 18:31:51 +00:00
Alexander Couzens 019da4b082 gprs_ns2_sns: refactor nss_weight_sum_data -> ip46_weight_sum_data
Allow to use ip46_weight_sum_data for local endpoints as well.

Related: OS#5036
Change-Id: I75d88f3da89ad13e34a3fd5ae72bd967d81f4abc
2021-06-13 18:31:25 +00:00
Alexander Couzens 6231055645 gprs_ns2_sns: refactor ip4_weight_sum/ip6_weight_sum
Use the new introduced struct ns2_sns_elems instead of
the elems seperate.

Related: OS#5036
Change-Id: I0956ab6085554210569188f52cae121e32fca19b
2021-06-13 18:31:25 +00:00
Alexander Couzens cc56ddcdd0 gprs_ns2_sns: add check for duplicates to add_ip6_elem()
The ip4 version already checks for duplicates.

Related: OS#5036
Change-Id: I4a1528ea3427946ce465085919b2b522d3cedd07
2021-06-13 18:31:25 +00:00
Pau Espin 42bb125df1 bts_feature: Introduce feature to speak to PCU
This feature provides the BSC with information on whether the BTS talks
the IPAC_PROTO_EXT_PCU osmocom extension over the underlying IPA
multiplex of the OML link.

Related: SYS#5303
Change-Id: Id62421f7f5540875ac877a187757f2cf0556bd02
2021-06-11 16:36:29 +00:00
Michael Iedema a667d85a92 ns2: use same name in ctr_group as stat_item_group
Change-Id: I7d2dcb6c7ddf72a0d06ff19f5d0e3dc740bd19ff
2021-06-10 12:57:04 +00:00
Eric Wild c3fa007610 kdf: add key derivation functions
generic sha code from git://w1.fi/hostap.git commit
5ea93947ca67ba83529798b806a15b247cdb2e93 which also happens
to be the source of our milenage code.

Related: SYS#5324
Change-Id: Ibf2e49edada944d91ceba62bd0d6b6ce69261fcd
2021-06-08 02:38:15 +02:00
Vadim Yanitskiy e9fd81a5c3 stats_vty: also show rate counter group name (if present)
Change-Id: I358f52e81a85f041fc21960634d04d18e7883dd5
2021-06-07 14:18:45 +00:00
Alexander Couzens d3507e851e gprs_ns2_sns: move gss->remote specific check out of add_ip4_elem/add_ip6_elem
Allow to use the add_ip4_elem also with local elemens.

Related: OS#5036
Change-Id: Ib48dfd7567467e60c5af2348924ece5cc6124206
2021-06-07 12:39:47 +00:00
Alexander Couzens c2ba25e436 gprs_ns2_sns: use struct ns2_sns_elems in add/update/remove remote_elems
Prepare to use the function also with local elems.

Related: OS#5036
Change-Id: I7db43c8dbd5bd7e7b07a7d629d2615bfa18623db
2021-06-07 12:39:47 +00:00
Alexander Couzens d2c6c49724 gprs_ns2_sns: refactor ns2_clear_ipv46_entries_local to use new elems functions
Related: OS#5036
Change-Id: I7225f7a4215842f0ea601ce6d9d38220f98f808d
2021-06-07 12:39:47 +00:00
Alexander Couzens 7112867151 gprs_ns2_sns: refactor local and remote entries into a struct
The IPv4/IPv6 elemens are the same for local and remote.
Refactor the entries into a struct to use function to manipulate
them with a single function.

Related: OS#5036
Change-Id: I05e053a9eb3328655502dfe2981c8f402104e292
2021-06-07 12:39:47 +00:00
Alexander Couzens 31d52e156f gprs_ns2_sns: bss: improve validation of configuration
Some combination of IPv4 and IPv6 result in incomplete
combination.
E.g. IPv6 binds, but only IPv4 endpoints and vice versa.

Related: OS#5036
Change-Id: I2fcf67bc2431ddac23c4ae23cebbb29771e573f1
2021-06-07 12:39:47 +00:00
Alexander Couzens 6608ce9525 gprs_ns2_sns: move selection of the next bind into own function
It will be also used by del_bind() when removing an active bind

Related: OS#5036
Change-Id: Ic39f0e5474ecc055d9a1b6a7b30777574d8b741d
2021-06-07 12:39:47 +00:00
Pau Espin 05047b7f27 ns2: Use NSVC bufid in stats report
Use the new stats API to set a meaningful name for its stats group too,
so that they are easily to identify when reported.

Example on VTY "show stats":
"""
NSVC Peer Statistics (0)('UDP-NSE01800-NSVC01800'):
 ALIVE response time        :        0 ms
NS Bind Statistics:
 Transmit backlog length:        0 packets
"""

Example reporting to statsd:
"""
my-stats-reporter-prefix.ns.nsvc.UDP-NSE01800-NSVC01800.alive.delay:0|g
"""

Related: SYS#5456
Change-Id: I4c696c615ba3416f8524d0797ce06c0ecd3a18f2
2021-06-05 15:46:27 +00:00
Pau Espin 09f075fad6 stat,rate_ctr: Allow setting group name and use it at report time
This patch adds a new field "name" to the rate_ctr and osmo_stat_item_group
structs, together with an API to set it. This new field allows for easy
identification of specific group instances when several of them exists,
rather than using a sometimes random/increasing index value.

If set, this name (string) is used instead of the index by the stats
reporter.

The name, if set, is also printed during "show stats" VTY commands.

It's up to the user or application to set up unique or meaningful names
to fullfill one's needs.

WARNING: this commit breaks ABI and possibly creates unexpected behavior
when run with non-rebuilt apps which use the modified structs directly
to get the coutners, or if use the static inline API rate_ctr_inc2().
Existing users of these structs should migrate to use new APIs
introduced in follow-up commits instead of accessing the field directly.

Related: SYS#5456
Change-Id: I0dc510783dd9ae8436dae8005a7b3330e80d36f3
2021-06-05 15:46:27 +00:00
Alexander Couzens d794806719 gprs_ns2: rework id strings of nsvcs
Ensure all nsvcs ids are unique as UDP ids might not be unique when
multiple NSVCs connect to the same remote endpoint (multiple binds).
Change the format of all ids to look similiar.
FR: NSE11-NSVC23-FR-fr0-DLCI13.
UDP: NSE11-NSVC-UDP-10.0.0.1:23000-192.168.1.1:24000
UDP: NSE11-NSVC23-UDP-10.0.0.1:23000-192.168.1.1:24000
UDP: NSE11-NSVC66-UDP-[fd01::1]:23000-[fd03::2]:24000

Change-Id: I618e263e73fcc64d4e46b57aa3a2cb2783837907
2021-06-05 15:46:13 +00:00
Vadim Yanitskiy 7d68959b0c fsm: cosmetic: fix weird spacing in osmo_fsm_inst_alloc()
Change-Id: I199085e717c6ebdc9061a0c9fa9a96bfbc11a74a
2021-06-04 20:07:10 +00:00
Pau Espin 7b894a7de0 Use new stat item/ctr getter APIs
Generated with spatch:
"""
@@
expression E1, E2;
@@
- &E2->ctr[E1]
+ rate_ctr_group_get_ctr(E2, E1)
"""

"""
@@
expression E1, E2, E3;
@@
- E2->items[E1]
+ osmo_stat_item_group_get_item(E2, E1)
"""

Change-Id: I41297a8df68e28dfc6016330ac82b0ed5dd0ebc1
2021-06-04 18:19:37 +02:00
Pau Espin 5fe3de5313 stat,rate_ctr: Introduce new API to get counter at given index
Having this API and forcing apps to use it will allow easily adding new
members to the group structure without having so much impact in users of
this struct.

Related: SYS#5456
Change-Id: Iebbf401f11e36645f8964d389460918eb9e0910e
2021-06-01 21:06:55 +00:00
Harald Welte 20199da02d sim: Add osim_card_{reset,close}() API
This is required to reset and close a card under software control
after opening it with osim_card_open()

Change-Id: Ie9ec66db4d54fdb1331f4ae05ca3ca4274912e9d
2021-06-01 20:29:17 +02:00
Pau Espin 6c7ac6abcd range_enc_determine_range(): Don't dereference array on size=0
cherry-picked from osmo-bsc.git d4c391eab03ce768d7eaf483368d9cda4f9668df

Change-Id: Iae058c35506bc25c9f4790889b89ac46aea664b6
Fixes: Coverity CID#182710 (osmo-bsc.git)
2021-06-01 14:04:20 +02:00
Neels Hofmeyr 208c5b643f fixup for gsm48_chan_mode_to_non_vamos()
When modifying chan modes, I first thought rather always fail if there
is no equivalent mode.

That is true for gsm48_chan_mode_to_vamos(), but for a change to
non-VAMOS, rather return the unchanged mode for non-VAMOS modes, so that
gsm48_chan_mode_to_non_vamos(GSM_CMODE_SIGN) works without failure.

This makes more convenient checking, e.g. in osmo-bsc's lchan_fsm.c
making sure that a non-VAMOS lchan has a non-VAMOS chan_mode, for all
types of lchans.

Change-Id: Ibf20f04d167e0e0599012ff530bc17ba8c8ab562
2021-05-29 23:45:22 +00:00
Vadim Yanitskiy fc02ff459a gsm_08_58.h: add Osmocom specific Bm/Lm CBITs for VAMOS
Change-Id: If33c1695922d110c0d2c60d5c0136caf2587194e
Related: SYS#4895, OS#4941, SYS#5315, OS#4940
2021-05-26 21:18:11 +02:00
Vadim Yanitskiy 57850ae188 rsl: make rsl_dec_chan_nr() more readable, use RSL_CHAN_NR_MASK
Change-Id: I1650e3b02e79461e42499268fa8ed30bff667489
2021-05-26 21:02:06 +02:00
Alexander Couzens 15596899a3 gprs_ns2: vty: fix removing a bind from a SNS
Return 0 after removing a bind. Otherwise the vty would return a
wrong error to the user.

Change-Id: I088c18abafc82ae7bd7b8c487ad9e9b448c42ba9
2021-05-23 10:32:40 +00:00
Alexander Couzens a35c296b6b gprs_ns2: sns: fix del bind()
When the bind to be removed is not the last entry, it would
remove the wrong SNS bind resulting in use-after-free memory.

Change-Id: I79062d404ebba9d5c8f7f209bebde146fa08c71f
2021-05-23 10:32:40 +00:00
Neels Hofmeyr dd6f13636e add RSL_IE_OSMO_TRAINING_SEQUENCE
This IE is explained in the Abis manual in osmo-bts commit
Ie583bd5969fdb45f772af198033e58d7c4077306
http://git.osmocom.org/osmo-bts/commit/?id=823cd529649b667af20bfa4e383255a8ed5931f1

Change-Id: I573c26b1431ee789e42f6fa620947b003c384dc0
2021-05-19 18:34:33 +02:00
Pau Espin 645aec8237 vty: Introduce API vty_read_config_filep
This new API doesn't use host_config_set(), and allows passing a FILE*
from any source, not only a filesystem path.

Related: SYS#5369
Change-Id: I720ac04386261628c0798a1bfcaa91e2490a86c3
2021-05-18 14:56:52 +02:00
Pau Espin ebb6c1fc4d vty: Implement missing public API host_config_file()
The API was defined in the header file but not implemented.

Change-Id: I69de9864fa7cd421557b9fc630beefea6d90b4cc
2021-05-17 18:54:23 +02:00
Harald Welte 24980baac9 osmo_sock_*_ofd(): Mark OSMO_FD_WRITE on non-blocking connect()
When we perform a non-blocking connect, the completion of the connect
will be signaled by marking the fd as WRITE-able.  So we should
automatically set OSMO_FD_WRITE to make sure the user gets notified
on completion.

Change-Id: I22964c5d5da849abcd97a900bd86ab5b4ada05da
2021-05-08 10:40:13 +00:00
Pau Espin a5af04477e gb: Fix missing exporting symbol bssgp_encode_rim_pdu
The symbol was not in the list of exported symbols.

Change-Id: I4c3792c3b22989571548e40aa4fbf26912e699df
2021-05-06 20:28:27 +02:00
Pau Espin adef546ff9 Revert "gb: Fix naming and export symbol bssgp_enc_rim_pdu"
This reverts commit 43ad616e4b.

 _enc_ functions are for some ies while the _encode_ and _decode_ are
for the full pdu.  so the old name is correct.

Change-Id: Ib0b4a6fd7f8c96e4647a373541e3cccb324c6a11
2021-05-06 18:28:12 +00:00
Vadim Yanitskiy f466a1592f gsm/abis_nm: add missing NM_OC_IPAC_* value-string entries
Change-Id: I2181af229e8e7da12d716c176ab9230f09e29eef
2021-05-06 16:32:29 +00:00
Pau Espin 43ad616e4b gb: Fix naming and export symbol bssgp_enc_rim_pdu
The symbol was not in the list of exported symbols.
Take the chance that it was not used anywhere outside libosmocore to
rename it in order to follow similar naming as other existing APIs.

Change-Id: I534db7d8bc5ceb19a2a6866f07d5f5c70e456c5c
2021-05-06 17:56:47 +02:00
Pau Espin a488639e42 osmo_timer_pending: Make arg const
Change-Id: I250c25c3ac61ac364335f81d8ba50cb32fd6976e
2021-04-29 20:14:51 +00:00
Harald Welte 5782fec9ff ns2: change the 'priority' setting name to 'socket-priority'
This has been changed based on feedback from Pau Espin in osmo-mgw,
and for consistency we also adjust it here.  No backwards compat
needed as it was just introduced yesterday.

Change-Id: I88989dc17c8996609b895c43012f8cca98aa81dc
2021-04-29 21:29:48 +02:00
Harald Welte a545842609 ipa_ccm_make_id_resp: Make it work at all
This could never possibly have worked.  When iterating over the
different IEs to encode, we must of course use the tag of the current
iterator item, and not the hard-coded value of the second tag in the
list.

Change-Id: I148799c5bdb95f70118691c1150330ebac4fdf21
2021-04-29 19:59:12 +02:00
Harald Welte b189b5f29c Fix ipa_ccm_make_id_resp_from_req to work at all
The parser was so horribly broken, it could not ever have possibly
worked.

Change-Id: Ibed0ff7f8d36504ef783f2653c9982d4e25e874f
2021-04-29 19:59:09 +02:00
Harald Welte 539272dd8e Fix ipa_ccm_make_id_resp_from_req
In 2018, I4723361e1094b358310541a7dc4c5c921c778a15 introuced a
check against an integer unterflow.  However, the fheck got the
logic wrong, with the result of breaking the function completely:
It would always only detect the first tag within the IPA request
and then take the branch that assumes an integer underflow.

Change-Id: I344975d0bda565ff196a1c0c69305cd349b98a19
2021-04-29 19:55:43 +02:00
Harald Welte d99e4eee2b ns2: Allow setting the socket priority for a UDP bind
Change-Id: Ifdfa086ce1c8d62b256abb3454b70cf53da9dcdb
2021-04-29 19:55:34 +02:00
Harald Welte 915caf75e2 gprs_ns: Fix another DSCP vs. TOS mistake in old NS code
DSCP is a 6-bit value stored in the upper 8 bit of what was used to
be known as TOS.  Let's use the newly introduced OSMO_SOCK_F_DSCP()
to prevent having to worry about this in higher level code.

Change-Id: I6b9848fd0752d99d3df5346313618d5847d64fb8
Related: OS#5136
2021-04-29 15:54:59 +02:00
Harald Welte 485b3f7c85 ns2: migrate from osmo_sock_set_dscp() to OSMO_SOCK_F_DSCP()
The latter is much more compact than the former.

Change-Id: I2a24c0cbb17fad8ed84297267dcd63730efbc014
2021-04-29 15:54:59 +02:00
Harald Welte f8a4e133d5 gprs_ns2_frgre: Ensure DSCP is sin premitted value range
gors_ns2_udp has this check, but gprs_ns2_frgre was missing it.

Change-Id: I9bb9c6bdfe81fa6f02b11a02550ac9a54d3bfeaf
2021-04-29 15:54:59 +02:00
Harald Welte 628f534817 gprs_ns2: Fix yet another DSCP vs. TOS mix-up
This is a follow-up to I64fee56b04d0ecd128bf661699d5071817ea96ec,
due to code duplication there was another code path that manually set
the IP_TOS socekt option that I missed in the first patch.

Related: OS#5136
Change-Id: I4bb22d0f67984077706b694eb7e75327b41b6fcf
2021-04-29 09:02:25 +00:00
Neels Hofmeyr 87fa1caf4b fix default_timeout type of osmo_tdef_fsm_inst_state_chg default_timeout
The api doc indicates the possibility to pass -1, and calling
osmo_tdef_get() actually casts the arg to a signed long. To end the
confusion, change default_timeout from unsigned long to long.

Change-Id: I51b9172603984839448346c9836e43c8c802fcf8
2021-04-28 18:31:31 +00:00
Harald Welte 903e670c54 socket: IPv6 support for osmo_sock_set_dscp()
IPv6 has the analogous to DSCP: The "traffic class" field.

See https://tools.ietf.org/html/draft-itojun-ipv6-tclass-api-03

Change-Id: Ib31b977f67d60aa7f30ca4ab6eceba3d1d5eeee1
Related: SYS#5427
2021-04-28 14:39:19 +02:00
Harald Welte c545ff6f3e socket: QoS support for all our socket init functions
Every socket function that can be passed a 'flags' argument now
supports the following two additional macros that can be or-ed in
with the flags:
* OSMO_SOCK_F_DSCP(x) -- specify the IP DSCP of the socket
* OSMO_SOCK_F_PRIO(x) -- specify the priority of the socket

The existing osmo_sock_set_{dscp,priority}() functions are useful,
but  you cannot call them in between the socket creation and the
connect() operation when using our socket helpers.  This means that
the first packet sent will have the default DSCP/priority, and only
later packets would have the desired values.

When using the functionality introduced by this patch, we can ensure
that even the very first packet of e.g. a TCP or SCTP connect()
will have the correct DSCP/priority applied.

Change-Id: If22988735fe05e51226c6b091a5348dcf1208cdf
Related: SYS#5427
2021-04-28 13:15:20 +02:00
Harald Welte faf6b70b0e socket: reduce code duplication, introduce socket_helper_tail()
Common bits shared by various functions (currently setting
non-blocking) should not be copy+pasted around.

Change-Id: I95056940ddc26b65f63eedaeaab6882edaef6317
2021-04-28 13:15:20 +02:00
Harald Welte ecc0bd8d42 socket: Introduce osmo_sock_set_priority() helper function
In some situations we want to set the SO_PRIORITY socket option
to determine the in-kernel priority of packets generated by this
socket.

Change-Id: I89abffcd125e6d073338a5c6437b9433220e1823
Related: SYS#5427
2021-04-27 22:25:13 +02:00
Harald Welte c96d716606 ns2: Fix setting the DSCP value.
DSCP is a 6-bit value (0..63) stored in the upper 6 bits of what was
formerly known as TOS bits.  We must
* make sure the user can only specify 0..63
* shift the value by two bits when using the IP_TOS socket option

We achieve the latter by using the recently-added osmo_sock_set_dscp()
helper.

Change-Id: I64fee56b04d0ecd128bf661699d5071817ea96ec
Closes: OS#5136
2021-04-27 21:57:52 +02:00
Harald Welte ce53e03dc9 socket: Introduce osmo_sock_set_dscp() to set socket DSCP value
At least on Linux, sockets have a IP_TOS socket option that can be
configured to set the TOS.  However, TOS (of RFC791) was replaced
by the DSCP (of RFC2474) in 1998.

As the DCSP bits are only the upper 6 bits of the TOS bits, let's
introduce a helper to get, mask and set the DSCP values in the TOS
bits.

Related: OS#5136, SYS#5427
Change-Id: Ia4ba389a5b7e3e9d5f17a742a900d6fd68c08e40
2021-04-27 21:53:32 +02:00
Harald Welte 069967be86 ns2: Dump frame relay state to VTY during "show ns"
When doing a "show ns", let's also dump the state of the frame
relay network, with all its links and DLCs (if any).

Change-Id: I798af3e97dc014b6e0fcde86560a1809852f7510
Related: OS#4877
2021-04-25 21:09:23 +02:00
Harald Welte 47cc55ceac frame_relay: Export osmo_fr_network_free()
The function already existed, it was just not declared and not
exported.

Change-Id: I3f2a7e2fd1a4eda6bbed8510cf82951d73bb3f84
2021-04-25 21:09:23 +02:00
Harald Welte a912d192f1 sim: Remove 'printf' from library code
Those were really meant as an early debugging aid and should not
have survived this long.

Change-Id: I4e9a80ced15686734d4485c232c5936f566cfd76
2021-04-25 21:09:23 +02:00
Harald Welte 22117a7164 sim: Obtain card ATR when opening the card
Change-Id: I42e387535c40f371b06f384af0ca5dc1e42ed00e
2021-04-25 21:09:23 +02:00
Neels Hofmeyr a0f2b21c6d gsm48_mr_cfg_from_gsm0808_sc_cfg(): drop bitmask without effect
GSM0808_SC_CFG_AMR_4_75_5_90_7_40_12_20 has value 0x0002, so the
'& 0xff' had exactly no effect.

Change-Id: Ia25ac20539e8ac70fb5f70c1191bd58825151c68
2021-04-22 18:49:44 +00:00
Pau Espin cde47795d1 gsm0808: Introduce gsm0808_old_bss_to_new_bss_info_att_tlvdef
Introduce TLV attribute definition for "Old BSS to New BSS Information"
container.

Related: SYS#5337
Change-Id: I0e55e947b6fef6dad0cf1a6c16b781bef4cc76c5
2021-04-21 19:02:31 +02:00
Neels Hofmeyr 4b44ac4012 RR: add missing Extended TSC Set IE
Defined in 48.018 10.5.2.82.
This will be used by Channel Mode Modify for VAMOS.

Related: SYS#4895 SYS#5315
Change-Id: I9bad6e7121af43dfa9706635e58279ce672a4e14
2021-04-20 02:43:40 +02:00
Neels Hofmeyr a9da9f7640 RR: add VAMOS channel modes
Also add functions to convert between VAMOS and non-VAMOS speech modes.

Related: SYS#4895 SYS#5315
Change-Id: Ie0ea592da5610ae70290106d004e549cf3212a89
2021-04-20 02:42:42 +02:00
Pau Espin 49766ab1b6 cosmetic: fix typo in comment
Change-Id: I43cb7b88a4e867836a67928e361253ce0f02a329
2021-04-19 12:14:36 +02:00
Pau Espin 1b625cb134 gsm: Support Sending Last EUTRAN PLMN Id in Handover Required
Related: SYS#5337
Change-Id: I6280ce1abc283f1491bc6f391b2dd952df33a16b
2021-04-19 10:55:43 +02:00
Alexander Couzens 27a5592205 gprs_ns2: add functions for SNS add/del/change-weight messages
Related: OS#5036
Change-Id: Ib9492e213e82c18c7dcce6ba7d64e897b4c74796
2021-04-18 06:38:34 +00:00
Alexander Couzens 0a7c5eea22 gprs_ns2: SNS: allow transition missing transition GPRS_SNS_ST_UNCONFIGURED
A transistion from GPRS_SNS_ST_UNCONFIGURED -> GPRS_SNS_ST_UNCONFIGURED.

Related: OS#5036
Change-Id: I125e7e5a08ea6aff6e0308a18b5c0a6d0392ad32
2021-04-18 06:38:34 +00:00
Pau Espin d110529972 cosmetic: tlv_parser: fix typo in func description
Change-Id: I27f28376a88f00d86a0f65595f61f6026f7e0fd4
2021-04-14 17:21:02 +02:00
Alexander Couzens 79a3a84b15 gprs_ns2: fix nsvc block and unblock vty command
e7dfeac8dc introduced a regression in the block/unblock check
as it was using the priv->initiate_block instead of priv->om_blocked.
The initiate_block tracks who is responsible to unblock the NSVC.

Fixes: e7dfeac8dc ("gprs_ns2_vty: print a response to vty `nsvc <nsvci> (block|unblock|reset)")
Change-Id: I516faea223e30b120a297faed10636daa554be8a
2021-04-13 12:38:44 +02:00
Vadim Yanitskiy 4b46b7eb53 vty/logging: logp: properly handle library specific sub-systems
The library specific sub-systems are kind of special, because their
position in the 'osmo_log_info' may vary depending on the number of
application specific sub-systems.  This is why their associated
constant values (like DLGLOBAL) are negative, and this is what
the LOGP() macro expects as the first argument.

Before this change, invoking 'logp' command with any library
specific logging sub-system would result in getting messages
printed with the fall-back DLGLOBAL sub-systems.

Change-Id: If86563e169fe1243adfa7b09c9d65d9f88c8a99e
2021-04-12 12:15:17 +00:00
Neels Hofmeyr 47c7b4fc24 add osmo_bts_features_names: short BTS feature strings
This will be used by osmo-bts-omldummy to parse features strings from
the cmdline.

Note that osmo_bts_feature_name() already exists to return the longer
descriptive value_strings from osmo_bts_features_descs (_descs!).
Luckily that misses the plural 'features' in the name, so that I can
still add a properly named osmo_bts_features_name() function that only
returns the name, matching the common pattern used in osmocom code.

Related: SYS#4895
Change-Id: I699cd27512887d64d824be680303e70fff3677c1
2021-04-09 00:10:44 +02:00
Oliver Smith d4393608a4 stats: have_value is a bool, not int
Change-Id: Id92c63f4e54ec1bf3411205be1bd268e1d184b03
2021-04-07 18:39:05 +00:00
Oliver Smith 2623fca8ad stats: log error when missing stats values (v2)
Related: SYS#4877
Change-Id: I5140d967c2f1d36dadf93b03e52b9bbd42e2a3a6
2021-04-07 18:38:54 +00:00
Oliver Smith 6140194347 stat_item: make value ids item specific
Fix counting of values missed because of FIFO overflow in
osmo_stat_item_get_next(), by assigning a new item value id effectively
as item->value[n + 1].id = item->value[n].id + 1, instead of increasing
a global_value_id that is shared between all items and groups. With
global_value_id, the count of values missed was wrong for one item, as
soon as a new value was added to another item.

This partially reverts b27b352e ("stats: Use a global index for stat
item values") from 2015, right after stats was added to libosmocore. It
was supposed to make multiple readers (reporters) possible, which could
read independently from stat_item (and later added comments explain it
like that). But this remained unused, stats has implemented multiple
reporters by reading all stat_items once and sending the same data to
all enabled reporters. The patch caused last_value_index in struct
osmo_stat_item to always remain at -1.

Replace this unused last_value_index with stats_next_id, so stats can
store the item-specific next_id in the struct again. It appears that
stats is the only direct user of osmo_stat_item, but if there are
others, they can bring their own item-specific next_id: functions in
stat_item.c still accept a next_id argument.

Related: OS#5088
Change-Id: Ie65dcdf52c8fc3d916e20d7f0455f6223be6b64f
2021-04-07 18:38:54 +00:00
Vadim Yanitskiy 2d1a9fabcc vty/logging: ensure consistent '%' prefix for warnings
Change-Id: I2b2bab61e46668c3b4b0ccad88d02b6d00a83544
2021-04-07 16:33:18 +00:00
Vadim Yanitskiy ad34465349 vty/logging: use consistent quiting in warning messages
Change-Id: Ifded63a38caac26e174fc6cb69dead7bc83db344
2021-04-07 16:33:18 +00:00
Alexander Couzens e7dfeac8dc gprs_ns2_vty: print a response to vty `nsvc <nsvci> (block|unblock|reset)
The vty wasn't printing anything to the user if it was a success or not

Change-Id: Idbb83ea319bbdc94177febdd66e79c49fce7fdd2
2021-04-07 16:25:35 +00:00
Alexander Couzens 53e7009049 gprs_ns2: sns: remove the initial SNS NSVC if it's not part
A SNS configuration can be done over a NSVC, however this initial NSVC doesn't
need to be part of the configuration.
Those NSVC need to be removed when the configuration is done.
This wrong behaviour can be seen in the vty `show ns` on

NSEI 00001: UDP, ALIVE
 FSM Instance Name: 'GPRS-NS2-SNS-BSS(NSE00001-SNS)[0x55c72c09b420]', ID: 'NSE00001-SNS'
  Log-Level: 'DEBUG', State: 'CONFIGURED'
 Maximum number of remote  NS-VCs: 8192, IPv4 Endpoints: 8192, IPv6 Endpoints: 8192
 Local IPv4 Endpoints:
  10.0.0.1:23000, Signalling Weight: 1, Data Weight: 1
 Remote IPv4 Endpoints:
  10.0.2.2:23000, Signalling Weight: 1, Data Weight: 0
  10.0.2.2:23001, Signalling Weight: 0, Data Weight: 1
  3 NS-VC:
   NSVCI none: UNBLOCKED DYNAMIC data_weight=1 sig_weight=0 udp)[10.0.0.1]:23000<>[10.0.2.2]:23000
   NSVCI none: UNBLOCKED DYNAMIC data_weight=0 sig_weight=1 udp)[10.0.0.1]:23000<>[10.0.2.2]:23001
   NSVCI none: UNCONFIGURED DYNAMIC data_weight=1 sig_weight=1 udp)[10.0.0.1]:23000<>[10.0.2.2]:8888

The UNCONFIGURED NSVC should not be present in when SNS is in CONFIGURED.

Related: SYS#5416
Change-Id: I4045ac6c033ae084743b17a16eef4fcff76589b9
2021-04-07 16:12:34 +02:00
Alexander Couzens cdb2baaa0c gprs_ns2: sns: ensure the sns->alive state is correct
The SNS fsms also track the NSE however since the NSVC
starts now in ALIVE for SNS the SNS must check when synchronize
the alive state when entering the ST_CONFIGURED.

Related: SYS#5416
Change-Id: Ib6a1cc1fd84959e69c07b72ef780642205d2cd18
2021-04-06 14:30:19 +00:00
Alexander Couzens 5b72247dde gprs_ns2: nsvc_fsm: reorder notification st_alive_on_enter()
The start_procedure() can't be called after ns2_nse_notify_unblocked()
because ns2_nse_notify_unblocked() might free the nsvc.
Otherwise the fsm will do use-after-free on the NSVC memory.

Related: SYS#5416
Change-Id: If97dfd123eefd71fc6c3fe886a243a21784aeeb4
2021-04-06 14:30:19 +00:00
Oliver Smith 43686dacd6 stat_item: add comment with struct overview
Related: OS#5088
Change-Id: Ic63a5884da778938197c658c5f478c23a85a4587
2021-04-06 11:27:34 +02:00
Oliver Smith d3490bc442 stat_item: make next_id argument name consistent
Let osmo_stat_item_get_next, osmo_stat_item_discard,
osmo_stat_item_discard_all consistently refer to their next_id arg as
such (and not idx or next_idx). It refers to an ID (item->values[i].id),
not an index (item->values[i]), and it is always the next one, never the
current one.

Do the same change for _index/_idx variables in stats.c, which are used
as arguments to these functions. Replace rd_ with next_id_ in
stats_test.c, too.

Related: OS#5088
Change-Id: I5dd566b08dff7174d1790f49abd2d6ac020e120e
2021-04-06 11:27:34 +02:00
Alexander Couzens 8bd63b667e gprs_ns2: vty: remove a white space in `show binds`
Change-Id: Ia3579ec5599f5f5c58eebab03f1ed9e17f171177
2021-03-31 06:00:44 +00:00
Alexander Couzens 7619ed4304 gprs_ns2: fix memory leaks when receiving SNS or invalid packets
Change-Id: I8834d3f092e6cbe4f527e95e1eebd8133a386207
2021-03-29 21:26:46 +00:00
Harald Welte c2fbbd7307 gprs_ns2_sns: Fix memory leak when creating ip[46]_local arrays
Prior to this patch, we would unconditionally allocate new memory
for the local SNS IP endpoints.   This results in a memory leak
on every SNS-SIZE procedure.

Let's move to talloc_realloc() which recycles any previously allocated
memory.

Change-Id: I12cb670e087c6d6190f3f5bf8483ea62008ae06f
2021-03-29 10:20:08 +02:00
Neels Hofmeyr 158bc795e5 add BTS_FEAT_VAMOS
Change-Id: Ic3bd1b8075f76d1f35499faa68fad70698ee9a00
2021-03-27 17:14:57 +01:00
Harald Welte 3053bbb3f3 gprs_ns2_sns: Don't create NS-VCs for binds outside the NSE
We may very well have any number of binds configured, but which
are not part of the current NSE.  When creating the "full mesh" of
NS-VCs after SNS-CONFIG, we must only iterate over those binds that
are part of the NSE (or 'ipa-sns-default bind' in cae of SGSN role),
but not over all the other binds that may exist in the system.

Closes: OS#5092
Change-Id: Ida361fa02ad1d86844d54c8f0664c996ed28e30a
2021-03-24 16:18:15 +00:00
Harald Welte e8c6106c2e gprs_ns2_sns: remove code duplication in create_missing_nsvcs()
Change-Id: I78d79c3bc92f0c0bebbbbe639b8406c4b188582f
2021-03-24 16:18:15 +00:00
Alexander Couzens 27e5873c8d gprs_ns2: add vty command `nsvc <nsvci> reset`
Change-Id: I436dd0367e83548acfc8f8e36ae4707496a252d9
2021-03-24 15:42:45 +00:00
Alexander Couzens 1dd9cbf45e gprs_ns2: dump_nsvc: correct indention
As both `show ns entities` and `show ns binds` looking similiar
correct the indention.

Change-Id: I55794188bec7e62f0341188dbf23ac04006974fe
2021-03-24 15:42:45 +00:00
Alexander Couzens 0ea4a4e0c4 gprs_ns2_vty: make the `show ns entities` and `show ns binds` look similiar
`show ns binds` prints a count of NSVCs. Add the same line
to `show ns entities`.

Change-Id: I15c58a1c0fe94dda728afb29e7e5ca41e3fa8966
2021-03-24 15:42:45 +00:00
Alexander Couzens 3e539ed127 gprs_ns2_vty: hide dynamic NSE information when ask for persistant only
dump_nse() should only print persistant NSE when persistant_only
argument is set. A NSE can be persistant or dynamic configured.
Depending on the NSE all NS-VC must be the same as the NSE.

Change-Id: Ibd2c6962eda39a850ab61cf347063934378d2fdc
2021-03-24 15:42:45 +00:00
Alexander Couzens 75b6188974 gprs_ns2: always use the same method to print NSVCs
The binds also print a list of associated NSVC when
dumping the bind.
However the binds using their own representation of
printing the NSVC which is different to `show ns entities`.
Use the same function to print NS-VC.

Before:
  NSVCI 00000: udp)[127.0.0.1]:23000<>[127.0.0.1]:22000
After:
  NSVCI none: UNCONFIGURED DYNAMIC data_weight=1 sig_weight=1 udp)[127.0.0.1]:23000<>[127.0.0.1]:22000

Change-Id: If31ec6c1c07dc134ab1ddeb915bc89747c7be048
2021-03-24 15:42:45 +00:00
Alexander Couzens 6cf65d9d81 gprs_ns2: rework logging of Rx and Tx NS PDU
Introduce 2 new logging sub systems for signal and unit data.
Unify log messages so all log messages look similiar.
Log also Rx PDUs. Ensure dropped Tx packets (BLOCK/RESET on SNS)
contain *Tx*.

Change-Id: I34b8fde2955ecc010d1dcd9512e1bba9211e2c0d
2021-03-24 15:42:45 +00:00
Harald Welte 2d807b6c7d gprs_ns2_sns: Compute local endpoints before using them
This fixes some bug introduced in Change-Id I1638f04ba45fef3ba0b237948dff6022267141fb

Related: OS#3373

Change-Id: Ic0873e63f1f046b674c7898480ff070a18a7abc7
2021-03-24 01:58:52 +01:00
Harald Welte 5e4083166a gprs_ns2: Actually start Tns-test after SNS-CONFIG creates NS-VC
the previous commit fixed the state transition, but also caused
neither Tns-alive nor Tns-test to run

Change-Id: I07ea3fd5cec3d4acf4051930a1a3c746d6fd597c
2021-03-24 01:04:21 +01:00
Harald Welte c51ddf27b4 gprs_ns2_vc_fsm: In IP-SNS/ALIVE mode, initial state is ALIVE/UNBLOCKED
Only when the ALIVE procedure fails, we mark a NS-VC as RECOVERING.

Change-Id: Ieb860827c2149306b135c0e6c8b3cd3bbb78851e
2021-03-24 01:04:21 +01:00
Harald Welte c962a2efc3 gprs_ns2: Add comments explaining the nsvc->sns_only field
Change-Id: I16009a1b03d8027de2be56b7d5013b755c9550fd
2021-03-24 00:30:23 +01:00
Harald Welte d164ef80f9 gprs_ns2_sns: Allow VTY configuration of default binds for IP-SNS
In the IP-SNS SGSN role, we need to inform the BSS of our local
IP endpoints.  For statically configured NSEs, those are explicitly
stated on a per-NSE level.

For dynamically created IP-SNS NSEs, we are adding a new VTY
command, using which the administrator can configure which binds
should be advertised as IP endpoints to such BSS.

Change-Id: Id01c29b07e9203c9305f2129361a4f5aaefa2c52
Related: OS#3373
2021-03-24 00:30:23 +01:00
Harald Welte fe0266e8d8 gprs_ns2: dynamic NS-VC + NSE creation for IP-SNS in SGSN role
Related: OS#3373
Change-Id: Ie10bb3531fae2e651da04f965d964de6eb1e7a97
2021-03-24 00:30:23 +01:00
Harald Welte 42e3646a98 gprs_ns2_vty: Permit VTY configuration of bind->accept_sns
Related: OS#3373
Change-Id: Ifb52cd245b10bf47d42d57d167d6d6c02b12ee12
2021-03-24 00:30:23 +01:00