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* lapd_test: avoid calling memcpy with NULL sourceHarald Welte2017-01-061-1/+2
| | | | | | | fixes lapd/lapd_test.c:54:2: runtime error: null pointer passed as argument 2, which is declared to never be null Change-Id: I7030729f4f4c867adecc7afc15bb5ca9beff0030
* gsm/lapdm: Prevent LAPD tx_queue from filling up in polling modeDaniel Willmann2014-03-262-17/+9
| | | | | | | If LAPDm receives an I-Frame while there already is an I-Frame in the tx_queue the code generates an additional RR (to acknowledge the received I-Frame). Instead, N(R) of the I-Frame in the tx_queue should be updated to ACK the data.
* tests/lapd: Add a testcase to check for LAPDm sync issuesDaniel Willmann2014-03-262-9/+272
| | | | Regression test for LAPDm recording the current state
* ladpm: Fix msgb handling and SAPI=3 establishment delayJacob Erlbeck2014-03-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently it takes 3s to establish a SAPI 3 SACCH connection with osmo-bts. This is due to the fact, that a broken SABME request is sent first and and is ignored by the MS. Then, after a T200 timeout (2s) the SABME command is sent again (this time correctly) and answered by the MS. The first SABME message is broken (it has a length field of 3 and ends with 3 bytes from the tail of the original RSL message), because of it is expected throughout lapdm.c that msg buffers containing RSL have msg->l2h == msg->data. Some abis input drivers fulfill this but IPA doesn't, thus the 3 bytes of the IPA header are still part of the msg and confuse length computation. Since internal fields of the msg are modified directly, this is difficult to see. This patch adds a new function msgb_pull_to_l3() that explicitely skips over all headers prepending L3 and therefore resets l1h and l2h. This function is then used instead of msgb_pull_l2h() which only worked correctly when msg->l2h == msg->data. In addition, code manipulating msg->tail and msg->len directly has been replaced by calls to msgb_trim(). Note that this patch does not fix all issues of this case in the LADP related code. Ticket: SYS#192 Sponsored-by: On-Waves ehf
* lapd/test: Check for empty ACCH queue, tooJacob Erlbeck2014-03-041-0/+2
| | | | | | | This just adds a single test to verify that the ACCH queue is actually empty. Sponsored-by: On-Waves ehf
* lapd/test: Extend test case to test msgs having data before l2hJacob Erlbeck2014-03-042-4/+16
| | | | | | | | | | | | | | Since e.g. the IPA input driver leaves it's specific header in front of msg->l2h, so that msg->l2h != msg->data. The lapdm code does not expect this at least in rslms_rx_rll_est_req(). This patch modifies the test program to add a dummy L1 header to generated messages (unless the test would abort when doing so). Note that the ok file reflects the current state which is not correct. Sponsored-by: On-Waves ehf
* lapd/test: Show dequeued messagesJacob Erlbeck2014-03-042-32/+72
| | | | | | This adds and uses a wrapper for lapdm_phsap_dequeue_prim() that prints information about the message that has been taken from the queue.
* lapd/test: Add test case for RSL EST REQ -> LAPDJacob Erlbeck2014-01-262-15/+112
| | | | | | | | | This test case processes RSL establish requests for SMS (SAPI 3) on the SDCCH and the SACCH channels. The TX queues are checked after processing each message. Ticket: SYS#192 Sponsored-by: On-Waves ehf
* lapd: Extend the test to check if lapdm_channel_exit is idempotentHolger Hans Peter Freyther2013-10-261-0/+10
| | | | | | | | | I have a crash with an older libosmocore and the sysmobts. I am not sure how we can have a release for a channel where the lapdm_channel has not gone through lapdm_channel_init. But to prevent the crash we can promise lapdm_channel_exit to be idempotent. It has been idempotent since f5a079f739c57d8be7c59149fd45475c402a45fc
* make lapd_test compile again.Harald Welte2013-07-061-69/+0
| | | | | For whatever reason two functions were present twice in the code, probably some git merge/rebase artefact?
* Add LAPDm collision test (contention resolution on network side)Andreas Eversberg2013-07-061-0/+69
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* lapd: Upate the assert to OSMO_ASSERT and describe what we would like to haveHolger Hans Peter Freyther2013-06-191-2/+2
| | | | | Update the OSMO_ASSERT to what it should be like but can't due a known issue in the LAPDm code.
* lapd: The two known LAPDm issues have been addressed, update the testHolger Hans Peter Freyther2013-06-192-13/+7
| | | | | | | | | The issue about the wrong padding has been found when creating the testcase in commit 15f740caa3a1ef681b3a5564daf6dfccb7b1e489 but the patch to fix that was never proposed by inclusion by its author. The issue about about the establish confirm carrying data with a wrong size is still present.
* Fix: LAPDm contention resoltion must acknowledge subsequent SABMAndreas Eversberg2013-04-062-0/+79
| | | | | | | | | After reception of SABM, the network responds with UA and enters the establised multiframe state. If UA is not received by mobile, the SABM is transmitted again, and the network must respond with UA again, unless it is from a different mobile. Add LAPDm collision test (contention resolution on network side).
* utils: Introduce OSMO_ASSERT in the utils and use it in the unit testsKaterina Barone-Adesi2013-03-091-33/+29
| | | | | The tests should unconditionally assert, regardless of debug settings. This uses the OSMO_ prefix as it's in the global namespace.
* lapd: Fix compiler warnings in the lapd codeHolger Hans Peter Freyther2012-12-261-0/+2
| | | | | | | | lapd_test.c: In function ‘ms_to_bts_l1_cb’: lapd_test.c:192:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] lapd_test.c:199:1: warning: no return statement in function returning non-void [-Wreturn-type] lapd_test.c: In function ‘main’: lapd_test.c:355:2: warning: implicit declaration of function ‘osmo_init_logging’ [-Wimplicit-function-declaration]
* lapd: Check in rslms_rx_rll() if lapdm context was initialized earlierDaniel Willmann2012-12-262-0/+44
| | | | | | | | | | | | | | | | | | This was found while implementing handover on a sysmobts. When we receive a channel release request for a channel that was never really activated (set_lapdm_context() was not called) we segfault in lapd_recv_dlsap(). We now return early with -EINVAL in rslms_rx_rll() if we receive a message that assumes set_lapdm_context() was already called. These are: * RSL_MT_UNIT_DATA_REQ * RSL_MT_DATA_REQ * RSL_MT_SUSP_REQ * RSL_MT_REL_REQ A test case was added to trigger the issue.
* build: simplify test handling and speed up build.Diego Elio Pettenò2012-06-301-9/+0
| | | | | | | | | | | | Instead of using a ./configure parameter to decide whehter to build tests or not, use the check_PROGRAMS variable so that the tests are only built when running `make check`. To avoid slowing down the test phase itself, collapse the declaration of the test targets in the tests/Makefile.am file, this way they can be built and linked in parallel before the testsuite is executed. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* lapdm: Make sure that the msgb_l3len(msg) == length...Holger Hans Peter Freyther2012-01-122-9/+13
| | | | | | | | | | This code should not play with the internals of the msgb like this, this code got introduced in af48bed55607931307 and is breaking the osmo-bts usecase of forwarding an RSL message. Add a test case that fails without the new code. I would prefer if we could get rid of the manipulating the msgb like this, it is prone to errors like this one.
* lapd: Warn if someone attempts to send an empty messageHolger Hans Peter Freyther2012-01-121-0/+15
| | | | | | DATA REQ with a msgb_l3len(msg) == 0 message does not make any sense, log an error and return immediately before attempting to send an empty I frame in lapd_send_i.
* lapd: Disable one part of the test as it fails on FreeBSDHolger Hans Peter Freyther2011-12-121-1/+2
| | | | | I thought this number would be wrong in the same way but it depends on OS/ARCH. Disable this part of the test for now.
* lapd_test: Look at the content of LAPD messages and compare themHolger Hans Peter Freyther2011-12-122-16/+61
| | | | Verify the output, accept two known errors in the generation of it.
* lapdm: Create a simple test case to transmit data between both endsHolger Hans Peter Freyther2011-12-113-0/+283
This is testing the establishment of two ends (BTS, MS) one is in the polling mode as used by osmo-bts. Transfer data between the two ends. The sent data is not verified though. This should be followed up soon.
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