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2020-09-03lchan_fsm: make rsl mode-modify working againPhilipp Maier1-0/+8
osmo-nitb supports the modification of an lchan if the lchan is compatible but in the wrong mode. This feature was dropped in the transition to AoIP/bsc-split. However, osmo-bsc still has code to generate and parse the messeages, but the FSMs do not support a mode modify yetm Lets add handling for mode-modify to the lchan_fsm and assignment_fsm in order to support mode modify again Change-Id: I2c5a283b1ee33745cc1fcfcc09a0f9382224e2eb Related: OS#4549
2018-07-28doc: update/fix FSM chartsNeels Hofmeyr1-106/+52
These reflect the plan for refactoring, and will be implemented by I82e3f918295daa83274a4cf803f046979f284366 and Id7a4407d9b63be05ce63f5f2768b7d7e3d5c86fb Change-Id: I29e31b753e23a4207662e0e385a337e7df836f45
2018-06-08doc: charts: illustrate new plan for ts and lchansNeels Hofmeyr1-156/+92
Add lchan and timeslot FSM charts to illustrate planning of how osmo-bsc should handle lchan assignment and release. Modify assignment, handover, lchan-release charts according to the new plan. Change-Id: I18d60de5ee932c962aad0a532965a55d570bb936
2018-06-08doc: tweak msc charts on Assignment/Handover: act_timerNeels Hofmeyr1-1/+10
Change-Id: I6205e43c227652432548c5c99bed5a197c095da2
2018-05-28doc: add msc charts on Assignment/Handover internalsNeels Hofmeyr1-0/+181
In doc/, add two message sequence charts with lots of implementation specifics, to clarify the current code state. Mark various problems in red notes. This chart and others should help to illustrate future code changes as I go along refactoring handover, lchan allocation and adding inter-BSC handover. Change-Id: I20999e938441d4fed2d37462b262b74a696f616d