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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=37139e5933337e3e24f4bd83955c3492123e9ed0
commit 37139e5933337e3e24f4bd83955c3492123e9ed0
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 23 13:52:55 2015 +0100
gprs: Do not put the subscr in gprs_subscr_delete
Currently gprs_subscr_delete implicitely calls subscr_put, which
makes the code more complex than necessary (additional subscr_get) in
a few places. It also makes it more difficult to see, whether get/put
are balanced within a function. In addition, the functions are not
named consistently (gprs_subscr_delete vs.
gprs_subscr_put_and_cancel).
This commit changes the semantics of gprs_subscr_delete and
indirectly of gprs_subscr_put_and_cancel to not call subscr_put on
their argument, but to leave that for the caller to do it
explicitely.
It renames gprs_subscr_put_and_cancel to gprs_subscr_cancel to
reflect that change in the name, too.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=1d778fdce3bc4aab16dc203463d0067f2f063d16
commit 1d778fdce3bc4aab16dc203463d0067f2f063d16
Author: Holger Hans Peter Freyther <holger at moiji-mobile.com>
Date: Tue Jan 20 21:14:03 2015 +0100
sgsn: Remove the "permanent" subscriber cache
The subscriber cache would help in case:
* GPRS DETACH, GPRS ATTACH. In that case we might still
have some cached authentication tuples we avoid another
sendAuthenticationInfo request.
* After a detach the cache expiry would make sure to
eventually send a purgeMS to the HLR (which might be
ignored).
At the same time to make the cache work we will need to
make sure to start and stop timers. In case we don't
start we might accumulate subscribers. I am afraid that
the above two benefits do not outweight the complexity
of this implementation.
http://cgit.osmocom.org/openbsc/commit/?id=e47d4f6d1187d453b846ea48f95ee75a42efc23b
commit e47d4f6d1187d453b846ea48f95ee75a42efc23b
Author: Holger Hans Peter Freyther <holger at moiji-mobile.com>
Date: Tue Jan 20 21:14:03 2015 +0100
sgsn: Remove MM from the list before gprs_subscr_delete is called
Modify sgsn_mm_ctx_free to remove the entry from the
list as otherwise we might double free the context from
within gprs_subscriber_delete.
http://cgit.osmocom.org/openbsc/commit/?id=81ffb740f78ccdada8ece786cfab852bc10172e8
commit 81ffb740f78ccdada8ece786cfab852bc10172e8
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 23 11:33:51 2015 +0100
sgsn: Remove inactive LLME/MM after inactivity timeout
Currently old LLMEs and MM contexts that haven't been explicitly
detached or cancelled are not removed until another request with the
same IMSI is made. These stale entries may accumulate over time and
severely compromise the operation of the SGSN.
This patch implements age based LLME expiry, when the maximum age has
been reached, the corresponding MM context is cancelled. If such an MM
context doesn't exist, the LLME is unassigned directly.
The implementation works as follows.
- llme->age_timestamp is reset on each received PTP LLC message
- sgsn_llme_check_cb is invoked periodically (each 30s)
- sgsn_llme_check_cb sets the age_timestamp to the current time if
it has been reset
- sgsn_llme_check_cb computes the age and expires the LLME if
it exceeds gprs_max_time_to_idle()
Ticket: OW#1364
Sponsored-by: On-Waves ehf
[hfreyther: Fix typo in comment LMME -> LLME]
http://cgit.osmocom.org/openbsc/commit/?id=841d95f86701b9e813402c65a7b1f88d132593fb
commit 841d95f86701b9e813402c65a7b1f88d132593fb
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 23 12:32:38 2015 +0100
gprs: Use a macro value to set the 'Periodic RA update timer'
Currently the T3312 timer is directly set as encoded value when
generating the Attach/RAU Accept messages.
This patch adds GSM0408_T3312_SECS and uses it to set the
information element's value.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=8de9c48c997a84f1afbfd3306435403bdbfd9f6a
commit 8de9c48c997a84f1afbfd3306435403bdbfd9f6a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 23 11:44:39 2015 +0100
gprs: Add 'Negotiated READY timer value' IE to Attach/RAU Accept
Currently this optional IE is omitted, so that the optional
'Requested READY timer value' of the corresponding Request message
is used by the MS (or the default value if this IE is not used).
This patch extends gsm48_tx_gmm_att_ack and gsm48_tx_gmm_ra_upd_ack
to always include the IE set to the default value of T3312 (44s,
see GSM 04.08, table 11.4a).
Ticket: OW#1364
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=79af67d7c02a25e36146369b60f7f25c9655c862
commit 79af67d7c02a25e36146369b60f7f25c9655c862
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 19 08:27:34 2015 +0100
gprs: Add GPRS timer conversion functions
Currently, all GPRS timer values are hard-coded. To make these values
configurable in seconds and to show them, conversion functions from
and to seconds are needed.
This patch adds gprs_tmr_to_secs and gprs_secs_to_tmr_floor. Due to
the limited number of bits used to encode GPRS timer values, only a
few durations can be represented. gprs_secs_to_tmr_floor therefore
always returns the timer value that represents either the exact
number (if an exact representation exists) or the next lower number
for that an exact representation exists.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=37184900e7f4f8566fbd71914f55b3cc8c0196e9
commit 37184900e7f4f8566fbd71914f55b3cc8c0196e9
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 19 10:56:15 2015 +0100
gprs: Return 0 from gsup_client_connect if ok or retry timer enabled
Currently the gsup_client_connect return 0 if the call to
ipa_client_conn_open was successful and -errno otherwise. This makes
it difficult for the caller to determine, whether the the whole
operation has been cancelled (currently on EBADF, ENOTSOCK,
EAFNOSUPPORT, EINVAL) or whether the GSUP client will retry to
connect after a timeout. This will cause gprs_gsup_client_create to
destroy the GSUP client object, even if the error might be temporary.
This patch changes the function to return 0 if (and only if)
ipa_client_conn_open was successful or the retry timer has been
started. Since the return value 0 doesn't guarantee, that a
subsequent call to gprs_gsup_client_send will succeed, this shouldn't
break anything.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
openbsc/include/openbsc/gprs_gmm.h | 2 +
openbsc/include/openbsc/gprs_llc.h | 5 ++
openbsc/include/openbsc/gprs_sgsn.h | 5 +-
openbsc/include/openbsc/gprs_utils.h | 5 ++
openbsc/include/openbsc/gsm_04_08_gprs.h | 5 +-
openbsc/include/openbsc/sgsn.h | 6 +--
openbsc/src/gprs/Makefile.am | 2 +-
openbsc/src/gprs/gprs_gmm.c | 27 ++++++++--
openbsc/src/gprs/gprs_gsup_client.c | 5 +-
openbsc/src/gprs/gprs_llc.c | 4 ++
openbsc/src/gprs/gprs_llc_vty.c | 7 ++-
openbsc/src/gprs/gprs_sgsn.c | 70 ++++++++++++++++++++++--
openbsc/src/gprs/gprs_subscriber.c | 91 +++-----------------------------
openbsc/src/gprs/gprs_utils.c | 45 ++++++++++++++++
openbsc/src/gprs/sgsn_main.c | 1 +
openbsc/src/gprs/sgsn_vty.c | 40 +-------------
openbsc/tests/gprs/gprs_test.c | 68 ++++++++++++++++++++++++
openbsc/tests/gprs/gprs_test.ok | 1 +
openbsc/tests/sgsn/Makefile.am | 2 +-
openbsc/tests/sgsn/sgsn_test.c | 83 +++++------------------------
20 files changed, 264 insertions(+), 210 deletions(-)
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