| Commit message (Collapse) | Author | Age | Files | Lines |
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The NS implementation part of the Gb implementation libosmogb
so far implemented a rather classic dialect of Gb, with lots of
heritage to FR (Frame Relay) transports. At least since Release 6
of the NS specification, there's an IP Sub-Network Service (SNS),
which
* permits for dynamic configuration of IP endpoints and their NS-VCs
* abandons the concept of a NSVCI on IP transport
* forbids the use of RESET/BLOCK/UNBLOCK procedures on IP transport
This commit introduces BSS-side IP-SNS support to libosmogb in a
minimally invasive way. It adds a corresponding SNS FSM to each NS
instance, and implements the new SIZE/CONFIG/ADD/DELETE/CHANGE_WEIGHT
procedures very closely aligned with the spec.
In order to use the SNS flavor (rather than the classic one),
a BSS implementation should use gprs_ns_nsip_connect_sns() instead
of the existing gprs_ns_nsip_connect().
This implementation comes with a set of TTCN-3 tests in
PCU_Tests_RAW_SNS.ttcn, see Change-ID
I0fe3d4579960bab0494c294ec7ab8032feed4fb2 of osmo-ttcn3-hacks.git
Closes: OS#3372
Closes: OS#3617
Change-Id: I84786c3b43a8ae34ef3b3ba84b33c90042d234ea
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Change-Id: I9209ee4ba5ebfc4f96b4c1d42840e1906455bae7
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Let's fix some erroneous/accidential references to wrong license,
update copyright information where applicable and introduce a
SPDX-License-Identifier to all files.
Change-Id: I39af26c6aaaf5c926966391f6565fc5936be21af
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Change-Id: I549ab7c26ac1489e01f281594bafe44b0681dc83
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The regular 'sh ns' lists all available NS. Sometimes it's handy to know
which of those are persistent.
* add "show ns persistent" command
* adjust parameters of dump-ns*() functions to use bool where
appropriate
Change-Id: Ib812864bae3ea414cc107a7b4f49bea4e6161795
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When dumping NSE via vty:
* check which local address would be used to communicate with a given
NSE and print it
* print link layer type last to make output more consistent
Change-Id: I6932a29c7899d36bcc275f05dda9670b0e69bef0
Related: SYS#3610
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* add comment about underlying assumption that structs in ip/frgre union
members in gprs_nsvc struct have the same memory layout
* remove such assumption from gprs_ns_ll_str()
* use gprs_ns_ll_str() for NSE dump
Change-Id: Idcb912b7b3f7460fd2b058e16650c0bde8f757ee
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* introduce defines with NS state names
* use them for vty and tests
* expand test output to print complete NS state
Change-Id: I69f8d536135ae76dbca623c2f1ffba625adcb1e9
Related: SYS#3610
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Change-Id: I1714c68909507eae6ef2933661a085859aca3b54
Related: SYS#3610
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In many callers of the VTY API, we are lacking the vty_install_default() step
at certain node levels. This creates nodes that lack the 'exit' command, and
hence the only way to exit such a node is to restart the telnet session.
Historically, the VTY looked for missing commands on the immediate parent node,
and hence possibly found the parent's 'exit' command when the local node was
missing it. That is why we so far did not notice the missing default commands.
Furthermore, some callers call install_default() instead of
vty_install_default(). Only vty_install_default() also includes the 'exit' and
'end' commands. There is no reason why there are two sets of default commands.
To end this confusion, to catch all missing 'exit' commands and to prevent this
from re-appearing in the future, simply *always* install all default commands
implicitly when calling install_node().
In cmd_init(), there are some top-level nodes that apparently do not want the
default commands installed. Keep those the way they are, by changing the
invocation to new install_node_bare() ({VIEW,AUTH,AUTH_ENABLE}_NODE).
Make both install_default() and vty_install_default() no-ops so that users of
the API may still call them without harm. Do not yet deprecate yet, which
follows in Icf5d83f641e838cebcccc635a043e94ba352abff.
Drop all invocations to these two functions found in libosmocore.
Change-Id: I5021c64a787b63314e0f2f1cba0b8fc7bff4f09b
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L_NS_NODE and L_BSSGP_NODE had specialized 'exit' and 'end' vty commands, but
all they do is return to the CONFIG and ENABLE_NODEs like the default 'exit'
and 'end' commands. Drop them and use the default 'exit' and 'end' cmds.
Examining BSSGP and NS node behavior in osmo-sgsn exhibited identical list and
exit/end behavior before and after this patch.
Prepares for an upcoming commit incorporating vty_install_default() into
install_node(), see I5021c64a787b63314e0f2f1cba0b8fc7bff4f09b: this patch
changes to the default commands, the upcoming change implies them.
Change-Id: I5b0de066b4249d482c22620d5b1bcb03f381293c
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Considering the various styles and implications found in the sources, edit
scores of files to follow the same API doc guidelines around the doxygen
grouping and the \file tag.
Many files now show a short description in the generated API doc that was so
far only available as C comment.
The guidelines and reasoning behind it is documented at
https://osmocom.org/projects/cellular-infrastructure/wiki/Guidelines_for_API_documentation
In some instances, remove file comments and add to the corresponding group
instead, to be shared among several files (e.g. bitvec).
Change-Id: Ifa70e77e90462b5eb2b0457c70fd25275910c72b
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Change-Id: I5ed17702cd9487e1cab6bae39802aa11fb6a37b0
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My recent logging patch was merged to master a bit too soon. Accomodate the
request for naming that matches the general "LOG" prefix instead of "LOGGING".
libosmocore will not be backwards-compatible with the few commits from
change-id I5c343630020f4b108099696fd96c2111614c8067 up to this one. This and
following commits are backwards compatible with those before that short window.
See also:
* openbsc change-id Ib2ec5e4884aa90f48051ee2f832af557aa525991
* osmo-pcu change-id I4db4a668f2be07f3d55f848d38d1b490d8a7a685
Change-Id: I424fe3f12ea620338902b2bb8230544bde3f1a93
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It is too easy for calling code to use the same filter and context indexes for
different filters and structs. For example, openbsc's IMSI filter and libgb's
GPRS_BVC filter both fall on index 1 even though there are plenty more indexes
to choose from. To alleviate this, have one central definition here, sort of
like ports.h does for VTY and CTRL port numbers.
Add static asserts to make sure the indexes fit in the available array and bit
mask space.
Calling code like openbsc.git and osmo-pcu need adjustments and/or should move
to using these enum values instead of their local definitions.
Taking this opportunity to also prepare for a split of struct gsm_subscriber in
openbsc into bsc_subsciber and vlr_subscriber with appropriate separate filter
index constants for both subscriber types.
Include previous LOG_FILTER_ALL in the LOGGING_FILTER_* enum, and replace its
use by (1 << LOGGING_FILTER_ALL).
Change-Id: I5c343630020f4b108099696fd96c2111614c8067
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The TbfTest in osmo-pcu calls gprs_ns_vty_init() repeatedly, which aborts
because of duplicate VTY elements. Fix this by skipping the VTY init if
it already happened.
Change-Id: I05c7f25a4e873ae76b206819180b8b043b60103e
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The following counters are added to the ns.nsvc counter group:
lost.alive The number of missing ALIVE ACK messages
lost.reset The number of missing RESET ACK messages
The following items are added to the ns.nsvc stat item group:
alive.delay The time in ms between sending ALIVE and
receiving the next ALIVE ACK
Sponsored-by: On-Waves ehf
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The copyright holders Harald Welte, Holger Freyther, Andreas Eversberg
and sysmocom - s.f.m.c. GmbH (represented by Holger and Harald) agree
that the license of libosmogb should be GPLv2+ and not AGPLv3+.
The reason the source files stated AGPLv3+ is due to the history, as
they were moved from OpenBSC to libosmocore at the time we needed to use
them from osmo-pcu. It was an oversight back then to not re-license
them accordingly.
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Use 'config-ns' instead of plain 'ns' and append a blank after the
'#' to make the vty python test script work.
Sponsored-by: On-Waves ehf
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This adds a 'nsvc nsvci <0-65535> (block|unblock|reset)' vty
command. It selects the NS-VC based on the nsvci instead of using the
first with a matching NSEI, like it is done when the 'nsei' keyword
is used instead.
Sponsored-by: On-Waves ehf
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Allow to tag the NS service with a custom DSCP.
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