diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2018-05-28 14:29:49 +0200 |
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committer | Harald Welte <laforge@gnumonks.org> | 2018-06-08 16:16:42 +0000 |
commit | 44fcc9f11e80cd4ae0811dc41f8201c5d95dea6b (patch) | |
tree | 91580d1ddbea6927bb77776370f72b725eed1d88 /doc/timeslot-fsm.dot | |
parent | c4bb31dcad3b0bedd6f1ad89d99ada71be55f06d (diff) |
doc: charts: illustrate new plan for ts and lchans
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
Diffstat (limited to 'doc/timeslot-fsm.dot')
-rw-r--r-- | doc/timeslot-fsm.dot | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/doc/timeslot-fsm.dot b/doc/timeslot-fsm.dot new file mode 100644 index 000000000..79e56c95f --- /dev/null +++ b/doc/timeslot-fsm.dot @@ -0,0 +1,36 @@ +digraph G { +rankdir=TB; + + invisible [style="invisible"] + invisible2 [style="invisible"] + NOT_INITIALIZED + lchan [label="lchan FSM",shape=box3d]; + UNUSED + IN_USE + BORKEN + PDCH + WAIT_PDCH_ACT + WAIT_PDCH_DEACT + + invisible -> NOT_INITIALIZED [label="OML\nOpstart ACK",style=dotted] + invisible2 -> NOT_INITIALIZED [label="RSL\nbootstrapped",style=dotted] + + NOT_INITIALIZED -> UNUSED [label="OML+RSL ready"] + + UNUSED -> IN_USE [label="first\nlchan\nrequested\nby lchan\nFSM"] + IN_USE -> UNUSED [label="last lchan\nunused"] + + UNUSED -> PDCH [label="onenter:\ndedicated PDCH\nand GPRS\nis enabled"] + UNUSED -> WAIT_PDCH_ACT [label="onenter:\ndyn TS\nand GPRS\nis enabled"] + WAIT_PDCH_ACT -> PDCH [label="dyn TS:\nPDCH activated"] + + PDCH -> WAIT_PDCH_DEACT [label="dyn TS:\nlchan of specific\npchan requested"] + WAIT_PDCH_DEACT -> UNUSED [label="lchan\nunused\n(e.g. error)",style=dashed] + WAIT_PDCH_DEACT -> IN_USE [label="dyn TS:\nPDCH released"] + + lchan -> {UNUSED} [label="TS_EV_LCHAN_\nREQUESTED",style=dotted] + {IN_USE} -> lchan [label="LCHAN_EV_\nTS_READY",style=dotted] + lchan -> IN_USE [label="TS_EV_LCHAN_\nUNUSED",style=dotted] + + {WAIT_PDCH_ACT,WAIT_PDCH_DEACT} -> BORKEN [label=timeout,style=dashed] +} |