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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.orgPau Espin Pedrol has submitted this change and it was merged. ( https://gerrit.osmocom.org/11987 )
Change subject: bsc: lchan_select: Avoid returning a TCH/H lchan when TCH/F is requested
......................................................................
bsc: lchan_select: Avoid returning a TCH/H lchan when TCH/F is requested
If BTS is configured to have only TCH/F_PDCH and TCH/H and a call is
resolved to require TCH/F, don't return the TCH/H which have no use, but
instead let it allocate the TCH/F_PDCH.
20181128185013783 DRLL <0000> lchan_select.c:159 (bts=0) lchan_select_by_type(TCH_F)
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=IN_USE) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=1,pchan=SDCCH8,state=UNUSED) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=2,pchan=TCH/H,state=UNUSED) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=3,pchan=TCH/H,state=UNUSED) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=4,pchan=TCH/H,state=UNUSED) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=5,pchan=TCH/H,state=UNUSED) is != TCH/F
20181128185013783 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=6,pchan_on_init=TCH/F_PDCH,pchan=PDCH,state=PDCH) is != TCH/F
20181128185013784 DRLL <0000> lchan_select.c:71 looking for lchan TCH/F: (bts=0,trx=0,ts=7,pchan_on_init=TCH/F_PDCH,pchan=PDCH,state=PDCH) is != TCH/F
20181128185013784 DRLL <0000> lchan_select.c:71 looking for lchan TCH/H: (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=IN_USE) is != TCH/H
20181128185013784 DRLL <0000> lchan_select.c:71 looking for lchan TCH/H: (bts=0,trx=0,ts=1,pchan=SDCCH8,state=UNUSED) is != TCH/H
20181128185013784 DRLL <0000> lchan_select.c:86 looking for lchan TCH/H: (bts=0,trx=0,ts=2,pchan=TCH/H,state=UNUSED) ss=0 is available
20181128185013784 DCHAN <0010> lchan_select.c:253 lchan(0-0-2-TCH_H-0)[0x6120000066a0]{UNUSED}: (type=TCH_H) Selected
Change-Id: I9a73beb0432fab16d5430e5b40d470694e09b189
---
M src/osmo-bsc/lchan_select.c
1 file changed, 1 insertion(+), 16 deletions(-)
Approvals:
Harald Welte: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/src/osmo-bsc/lchan_select.c b/src/osmo-bsc/lchan_select.c
index 742c7de..f70ad4a 100644
--- a/src/osmo-bsc/lchan_select.c
+++ b/src/osmo-bsc/lchan_select.c
@@ -182,13 +182,7 @@
break;
case GSM_LCHAN_TCH_F:
lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_F);
- /* If we don't have TCH/F available, fall-back to TCH/H */
- if (!lchan) {
- lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_H);
- if (lchan)
- type = GSM_LCHAN_TCH_H;
- }
- /* If we don't have TCH/H either, try dynamic TCH/F_PDCH */
+ /* If we don't have TCH/F available, try dynamic TCH/F_PDCH */
if (!lchan) {
lchan = _lc_dyn_find_bts(bts, GSM_PCHAN_TCH_F_PDCH,
GSM_PCHAN_TCH_F);
@@ -206,14 +200,6 @@
if (lchan)
type = GSM_LCHAN_TCH_F;
}
- /* ...and as TCH/H. */
- if (!lchan) {
- lchan = _lc_dyn_find_bts(bts,
- GSM_PCHAN_TCH_F_TCH_H_PDCH,
- GSM_PCHAN_TCH_H);
- if (lchan)
- type = GSM_LCHAN_TCH_H;
- }
break;
case GSM_LCHAN_TCH_H:
lchan = _lc_find_bts(bts, GSM_PCHAN_TCH_H);
@@ -257,4 +243,3 @@
return lchan;
}
-
--
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I9a73beb0432fab16d5430e5b40d470694e09b189
Gerrit-Change-Number: 11987
Gerrit-PatchSet: 2
Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de>
Gerrit-CC: Vadim Yanitskiy <axilirator at gmail.com>
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