Cellular Network Infrastructure

h1. Osmocom Review 2017

h2. January 2017

* announce of first ever public [[OsmoCon:]] conference in April

* osmo-bts

** Add Abis OML failure event reporting

** fix memory leaks in osmo-bts-{sysmo,lc15} at every channel activation

* openbsc/osmo-bsc

** support multiple UARFCNs in SI2quater

* osmo-hlr

** add test suite for 2G and 3G authentication

** fix UMTS AKA re-sync

h2. February 2017

* libosmo-abis

** unix domain socket support (for Ericsson L2TP)

* osmo-bts

** fix AMR HR DTX FSM logic

** fix SACCH sending fo system information with enum value > 7

** osmo-bts-trx: fix RXGAIN and POWER parameters on second TRX

** fix TCH/H interleaving table bit position

** sysmoBTS 1020/1100: slow power ramp-up on TRX enable

* osmo-sgsn

** fix PDP context activation memory allocation bug

** integrate support for UMTS AKA

* openggsn

** fix kernel-gtp tunnel creation/removal for GTPv1 

** release 0.93

h3. March 2017

* Add README.md files to all our repositories

* libosmocore

** migrate gsm 05.03 coding from OsmoBTS to libosmocore

** fix SQN / SEQ handling in UMTS AKA

** 3GPP AoIP message encoding/decoding

* libosmo-abis

** fix ever-increasing jitter buffer

* libosmo-netif

** handle SCTP in in stream server

** doxygen documentation on stream an datagram modules

* osmo-bts

** octphy: CBCH support

** include MS timing offset in RSL measurements

* osmo-sgsn

** handle IMSIs with leading zeroes

* osmo-bsc

** fix T3186 encoding in SI13

** Improved Ericsson OM2000/RBS2000 support

** new ctrl2soap proxy in python

* osmo-hlr

** add CTRL interface

** fix SQN/SEQ handling in UMTS AKA

h3. April 2017

* libosmosigtran

* libosmocore

** control interface for osmo_fsm

* libosmo-netif

** fix file descriptor leak in error paths

** work around linux kenrel SCTP bug with sender_dry_events

** RTP marker bit support

* libosmo-sccp

** Add new [[libosmo-sigtran:]] library with SS7 AS/ASP Link/Linkset handling, M3UA support, new FSM based SCCP implementation

** Add [[osmo-stp:]] program

* osmo-bts

** inform BSC of PCU disconnect

** fix measurement reporting period

** exclude idle channels from uplink measurement processing

** octphy: measurement reports

h3. May 2017

* libosmocore

** fix embedded builds

** import and generalise 'sercomm' from osmocom-bb into libosmocore

** SSE optimized convolutional coder

** fix wrong GSM FR codec SID frame generation

** doxygen docs for libosmocoding

* osmo-bsc

** TS 04.14 mobile station side loop control

* osmo-bts

** consistently check all RSL and OML TLVs for minimum length value

** fix bit-order in every HR codec parameter (spec compliance)

** OML get/set attribute handling

** SI2quater support

** bypass radio link timeout for lab testing

* osmo-bsc

** PCU socket support for BSC-colocated PCU for Ericsson RBS2000

** reelase 1.0.1

h3. June 2017

* libosmocore

** doxygen autobrief

** doxygen documentation for libosmogb

* osmo-bts

** use CLOCK_MONOTONIC timer for GSM frame timer

** PDTCH loopback support

h3. July 2017

* libosmocore

** PDP charging characteristics in GSUP

** PRBS sequence generators

** multicast IP related helper functions

** 'make release' target

* libosmo-sccp

** SCCP address book

* osmo-bts

** new virtual BTS @osmo-bts-virtual@ for testing without radio hardware

** don't send dummy UI frames on unused BCCH slots on TC=5

** GSMTAP: don't log/send fill frames consisting of only padding

* osmo-hlr

** change to default GSUP port 4222

h3. August 2017

* libosmocore

** fix crash in lapd_est_req()

* libosmo-abis

** release 0.4.0

* osmo-bts

** osmo-bts-trx: fix MS power control loop

** release 0.6.0

** support sending/removing SI13 to/from PCU

* osmo-bsc

** indicate R99+ MSC in SI3 to enable UMTS AKA over GERAN

* osmo-sgsn

** properly report GERAN/UTRAN mode in PDP CTX ACT REQ to GGSN

* osmo-msc

** implement IuCS support

** split openbsc.git into osmo-bsc.git, osmo-msc.git and osmo-sgsn.git

* openggsn

** Add IPv6 address pool and IPV6 user (inner) plane support

** release 0.94

h3. September 2017

* libosmocore.git

** 'show talloc-context' VTY introspection

** CTRL parsing unit tests

** unification of vty exit/end commands

* osmo-hlr

** CTRL interface tests

* openggsn

** various cleanups and conversion to osmocom style/apis

** fork osmo-ggsn from openggsn; obsolete openggsn

* osmo-ggsn

** release 1.0.0

** allow enable/disable of G-PDU sequence numbers on ggsn and sgsnemu

** sgsnemu: Add IPv6 PDP context support

h3. October 2017

* libosmocore.git

** major doxygen documentation re-work / completion

** dynamic registration of CTRL node-ids by applications

** ability to bind Gb interface to specific IP

** enforce CTRL-capable identifiers in osmo_fsm and counter group names

** release of 0.10.0 + 0.10.1

** add @osmo_get_rand_id()@ function with getrandom() and GnuTLS fallback

* libosmo-netif.git

** release 0.1.0 and 0.1.1

* libosmo-sccp.git

** release 0.8.0 and 0.8.1

* osmo-bts

** don't require gsm_data_shared.[ch] from openbsc.git anymore

** fix multiple subsequent SI1quater BCCH FILLING from BSC

** fix AMR DTX FSM name to avoid invalid characters in name/identifier

** release 0.7.0

* osmo-bsc

** release 1.1.0, 1.1.1 and 1.1.2

* osmo-hlr

** replace/reimplement CTRL interface commands

** release 0.1.0

* osmo-sgsn

** release 1.2.0

* osmo-msc

** release 1.1.0, 1.1.1 and 1.1.2

** ensure we default to enable TMSI allocation

* osmo-ggsn

** release 1.1.0

h3. November 2017

* Add SPDX License identifiers in library projects

* libosmocore

** fix SSE3 optimization on non-SSSE3 machines

** fix memory leaks in various unit tests for memory leak ebugging

** add counter group introspection via CTRL

** release 0.10.2

* libosmo-netif

** fix another file descriptor leak in stream server implementation

* libosmo-sccp.git

** More complete IPA/SCCPlite support, osmo-stp can now convert M3UA to SCCPlite

* osmo-bts

** don't abort if oversized RTP packets are received

* osmo-bsc

** migrate from osmo-bsc_mgcp to osmo-mgw for switching user plane

** more SI2quater fixes

** report per-BTS connection state and uptime in VTY + CTRL

* osmo-ggsn

** various improvements in kernel GTP support

h3. December 2017

* libosmocore

** improvements of XML export for VTY command reference generation

* osmo-bts

** put useful information in RTCP SDES

* osmo-bsc

** move lots of counters / KPIs from BSC level down to per-BTS granularity

** reduce T3101 default from 10s to 3s

** generate mandatory SI2bis and SI2ter rest octets (on RSL; Um was always fine)

** reduce T3113 from 60s to 10s

** various new per-BTS counters

* osmo-msc

** SMS database related fixes

** properly set permitted ciphering algorithms in BSSMAP Cipher Mode Command

** fix GSM-Milenage in presence of 2G keys

* osmo-ggsn

** fix byte order in IPCP IPV4 DNS server addresses