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-rw-r--r--doc/ms-channel-request.msc59
1 files changed, 0 insertions, 59 deletions
diff --git a/doc/ms-channel-request.msc b/doc/ms-channel-request.msc
deleted file mode 100644
index 1c5b4bfb3..000000000
--- a/doc/ms-channel-request.msc
+++ /dev/null
@@ -1,59 +0,0 @@
-msc {
- hscale=2;
- ms [label="MS"], bts [label="BTS"], bsc[label="BSC"], bsc_lchan[label="BSC lchan FSM"];
-
- ms note bsc_lchan [label="lchan allocation sequence for RSL Channel Request"];
-
- ms => bts [label="RR Channel Request"];
- bts => bsc [label="RSL Channel Request"];
- bsc box bsc [label="rsl_rx_chan_rqd()"];
- bsc note bsc [label="Obtain RACH data from Request: - Reference - Access Delay (TA)
- - Request Reason - Channel Type"];
- bsc note bsc [label="If the reason is PDCH, the RACH Request is forwarded to PCU and BSC is no
- longer concerned (rsl_rx_pchan_rqd())."];
- bsc note bsc [label="Always try to allocate an SDCCH regardless of the requested type, only if no
- SDCCH is available, look for the actually requested channel type."];
- bsc box bsc [label="lchan_select_by_type(SDCCH)"];
-
- --- [label="IF no lchan is available (neither SDCCH nor requested type)"];
- bsc note bsc [label="Figure out T3122 value from bts->T3122, network->T3122 or
- GSM_T3122_DEFAULT"];
- bsc box bsc [label="rsl_send_imm_ass_rej(wait_ind=T3122)"];
- bsc note bsc [label="..."];
- bts <= bsc [label="RR Immediate Assign Reject"];
- ms <= bts [label="RR Immediate Assign Reject (possibly grouped with up to 4 others)"];
- bsc note bsc [label="rsl_rx_pchan_rqd() exits, no channel is allocated."];
- --- [label="END: no lchan is available"];
-
- bsc box bsc [label="Store RACH data in lchan->rqd_ref, rqd_ta"];
- bsc -> bsc_lchan [label="lchan_allocate(FOR_MS_CHANNEL_REQUEST)"];
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_WAIT_ACTIV_ACK\nT3103"];
- bsc_lchan note bsc_lchan [label="The lchan FSM knows that FOR_MS_CHANNEL_REQUEST is about
- Immediate Assignment."];
- bts <= bsc_lchan [label="RSL Chan Activ (Immediate Assignment)"];
- ...;
- --- [label="on any error"];
- bts <= bsc_lchan [label="RR Immediate Assign Reject"];
- ms <= bts [label="RR Immediate Assign Reject (possibly grouped with up to 4 others)"];
- ---;
- ...;
- bts => bsc_lchan [label="RSL Chan Activ ACK"];
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_WAIT_\nRLL_ESTABLISH\ncontinue T3103"];
- ...;
- --- [label="on timeout"];
- bsc_lchan box bsc_lchan [label="lchan_error_release(deact_sacch=true)"];
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_WAIT_RF_RELEASE_ACK"];
- bts <= bsc_lchan [label="RLL Release Request (Local End)..."];
- bts <= bsc_lchan [label="...for all SAPIs including [0]"];
- bts <= bsc_lchan [label="RSL Deactivate SACCH"];
- bts <= bsc_lchan [label="RSL RF Channel Release"];
- ...;
- bts => bsc_lchan [label="RSL RF Channel Release ACK"];
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_WAIT_AFTER_ERROR"];
- ...;
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_UNUSED"];
- ---;
- ms => bsc_lchan [label="RLL Establish Ind"];
- bsc_lchan box bsc_lchan [label="associate lchan FSM with new conn FSM"];
- bsc_lchan abox bsc_lchan [label="LCHAN_ST_ACTIVE"];
-}