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at 52354dd78567e898d5dd114380a17990ce1608f8 (commit)
- Log -----------------------------------------------------------------
http://cgit.osmocom.org/libosmocore/commit/?id=52354dd78567e898d5dd114380a17990ce1608f8
commit 52354dd78567e898d5dd114380a17990ce1608f8
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Mar 17 10:21:17 2015 +0100
bssgp: Handle BSSGP STATUS messages
Currently incoming BSSGP STATUS messages are just logged and no other
action is taken. This makes it impossible for higher layers to react
to failures which are indicated by corresponding STATUS messages
unless a timeout is triggered as a result of that failure later on.
This commit adds a bssgp_rx_status() function and calls it on
incoming STATUS messages. That function logs a message, increments the
new BSSGP_CTR_STATUS counter if the bctx context exists and invokes
an NM_STATUS status indication. The latter will allow the application
to handle failures immediately. Since all STATUS messages should be
handled, the function is already called in bssgp_rcvmsg and the
message is no longer handled in (and will not reach) bssgp_rx_sign
and bssgp_rx_ptp.
Ticket: OW#1414
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=3a5991ef2f495f0010f9a7ba9079a826e94f8e81
commit 3a5991ef2f495f0010f9a7ba9079a826e94f8e81
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Mar 17 10:21:16 2015 +0100
bssgp: Don't reply with STATUS when receiving a PtP STATUS message
Currently each incoming PtP BSSGP STATUS message is handled as 'not
yet implemented' and a BSSGP STATUS message (cause
BSSGP_CAUSE_PROTO_ERR_UNSPEC) is sent back to the peer. This will
cause endless messages loops if both peers use this BSSGP stack
implementation. This does not apply to signalling messages.
This commit changes the implementation of bssgp_rx_ptp() to just do
logging in this case.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=bdbb54b31379d61529bf351ca8de134d85654d61
commit bdbb54b31379d61529bf351ca8de134d85654d61
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Nov 10 08:27:15 2014 +0100
bssgp: Fix VTY command 'show bssgp nsei N'
Currently this command segfaults (at least when ASAN is enabled),
because when getting the NSEI the index to argv is wrong and out of
bounds.
This patch fixes the offset.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=fabe7d51bef1b4d3e8ec6d74de5d6143d27fcce0
commit fabe7d51bef1b4d3e8ec6d74de5d6143d27fcce0
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed Sep 10 12:43:28 2014 +0200
gprs: Don't discard SUSPEND/RESUME in bssgp_rcvmsg
Currently sending SUSPEND/RESUME messages to this function (like it
is done in the osmo-sgsn) results in STATUS messages complaining
about an unknown BVCI. The reason is, that these messages rely on a
TLLI/RAI pair to identify the context and do not contain an explicit
BVCI.
This patch modifies bssgp_rcvmsg() to only complain about and unknown
BVCI if one is given but a matching context is not found (except for
RESET messages). The ctx argument is removed from the functions
handling SUSPEND and RESUME since it will always be NULL then.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=7ced8f71cd61115b593b78cb779553f1c7df3071
commit 7ced8f71cd61115b593b78cb779553f1c7df3071
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 14 14:49:37 2014 +0200
gprs/test: Add BSSGP tests
This patch adds a test suite for the BSSGP protocol.
The first (and only) test checks the handling of BSSGP
SUSPEND/RESUME.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=3de27490ceb8172363169358b7c4fcbcb26f4b11
commit 3de27490ceb8172363169358b7c4fcbcb26f4b11
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Oct 9 11:07:56 2014 +0200
gprs-ns/test: Check the nsvc state explicitely
This patch extends test_sgsn_reset_invalid_state by assertions to check
that nscv->state and nsvc->remote_state have been set as expected.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=8301a09dcc60ed7d72f8ccab0551ec794559ed7e
commit 8301a09dcc60ed7d72f8ccab0551ec794559ed7e
Author: Holger Hans Peter Freyther <holger at moiji-mobile.com>
Date: Thu Oct 9 16:07:37 2014 +0200
gprs-ns/test: Re-add return value check for gprs_nsvc_reset
The return value check has been removed in the commit 'Use
gprs_nsvc_reset instead of gprs_ns_tx_reset', because gprs_nsvc_reset
had no return value then. Since a compatible return value has been
added by 'Let gprs_nsvc_reset return a value', the former patch is
partly reverted by this commit.
The printf is now an OSMO_ASSERT. The commit message was taken
from Jacob.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=99e06370517f24f59dbfdfc52acd2a67c34a727a
commit 99e06370517f24f59dbfdfc52acd2a67c34a727a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 7 14:12:30 2014 +0200
gprs-ns: Fix reset state handling
Currently the NS-VC's state is updated from within gprs_ns_tx_reset,
which can lead to an inconsistent state when the RESET_ACK is lost.
In this state, the NSE_S_RESET bit is set but the Tns-reset timer is
not started.
This patch moves the state update into gprs_nsvc_reset. This way, the
state flags are consistent with the timer.
Addresses:
SGSN -> BSS NS_ALIVE
BSS -> SGSN NS_ALIVE_ACK
BSS -> SGSN BVC_RESET
SGSN -> BSS NS_STATUS, Cause: NS-VC blocked, NS VCI: 0x65
and there is no BSS->SGSN NS_ALIVE
Ticket: OW#1213
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=337c1a86c2a8407e65713602d4ae4182df8af7bb
commit 337c1a86c2a8407e65713602d4ae4182df8af7bb
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed Oct 8 11:47:36 2014 +0200
gprs-ns: Let gprs_nsvc_reset return a value
Currently gprs_nsvc_reset does not return any value.
This patch changes the function to return an integer, where a value
less than zero indicates an error. The value is taken from the
gprs_ns_tx_reset function. In case of failure, an error message is logged.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=7d5dd15188bd54b8bf5380f7802abbabea5ada9c
commit 7d5dd15188bd54b8bf5380f7802abbabea5ada9c
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 7 14:07:39 2014 +0200
gprs-ns/test: Add test_sgsn_reset_invalid_state
This tests the behaviour for a certain combination of messages and
packet losses that can put the NS-VC object into an undefined state.
In that state, the peer's ALIVE messages are properly answered, but
the local test procedure has stopped, incoming unitdata PDUs are
answered by STATUS(NS-VC blocked) and the unblocking procedure is not
initiated.
Ticket: OW#1312
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=be9a26caa66232c6794cbf8c71d16f88382c7945
commit be9a26caa66232c6794cbf8c71d16f88382c7945
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 7 14:03:44 2014 +0200
gprs-ns/test: Add expire_nsvc_timer
This function forces the expiration of the timer within struct
gprs_nsvc. It is meant to be used for controlled (and faster) timer
expiration in unit tests. The timer_mode of the expired timer is
returned (or -1 if the timer wasn't active).
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=0eb6a8c02eaa4a2ce6a6402be8a4e339f7541f31
commit 0eb6a8c02eaa4a2ce6a6402be8a4e339f7541f31
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 7 13:59:30 2014 +0200
gprs-ns/test: Save the last PDU type sent
This records the PDU type of the last message sent to the remote peer
in the global variable sent_pdu_type, which can then be used in
assertions.
Note that sent_pdu_type will remain unchanged if no message has been
sent via sendto.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/libosmocore/commit/?id=45415119faa06e6252ae66b7516b5c3fde86c0d1
commit 45415119faa06e6252ae66b7516b5c3fde86c0d1
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Oct 7 13:52:07 2014 +0200
gprs-ns/test: Use gprs_nsvc_reset instead of gprs_ns_tx_reset
Currently gprs_ns_tx_reset is used to let the NS stack generate
NS_RESET message. This is not adjusting the nsvc state properly.
This patch uses gprs_nsvc_reset instead which starts the full reset
procedure.
Sponsored-by: On-Waves ehf
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An utility library for Open Source Mobile Communications