Change in osmo-bts[master]: send TCH/F fill frames in DTX mode (WIP)

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Stefan Sperling gerrit-no-reply at lists.osmocom.org
Thu Aug 9 18:20:57 UTC 2018


Stefan Sperling has posted comments on this change. ( https://gerrit.osmocom.org/10415 )

Change subject: send TCH/F fill frames in DTX mode (WIP)
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Patch Set 1:

This is WIP because the TTCN3 test TC_tch_sign_l2_fill_frame_dtxd is still failing with this diff.

I don't understand the reason for the failure.

The problem is that the TCH/F fill frame is received by the TTCN3 test in a frame number which is not in the set of required frame numbers % 104.
Hence the test fails with verdict "Unexpected L2 fill frame received on Um".

However, debug log which is written by this patch shows that the frame number used in my osmo-bts patch falls into the set of required frame numbers % 104.

Does anyone have an idea where this problem could be coming from?
Am I wrong in assuming that the frame number used in osmo-bts's l1sap_ph_rts_ind() should match the frame number received in TTCN3?


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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I7bff00b8cf41dc1b0e6e668173bebce23be0d253
Gerrit-Change-Number: 10415
Gerrit-PatchSet: 1
Gerrit-Owner: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-Comment-Date: Thu, 09 Aug 2018 18:20:57 +0000
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