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pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/22814 )
Change subject: Fix neigh resolution service on local neighbours
......................................................................
Fix neigh resolution service on local neighbours
Change-Id: I217e3550aa6d7f3c3cab4e545641d790ae12b23f
Related: SYS#4909
---
M include/osmocom/bsc/bts.h
M src/osmo-bsc/bts.c
M src/osmo-bsc/neighbor_ident.c
M tests/ctrl/osmo-bsc-neigh-test.cfg
M tests/ctrl_test_runner.py
5 files changed, 110 insertions(+), 6 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/14/22814/1
diff --git a/include/osmocom/bsc/bts.h b/include/osmocom/bsc/bts.h
index e1dd403..7d71991 100644
--- a/include/osmocom/bsc/bts.h
+++ b/include/osmocom/bsc/bts.h
@@ -660,3 +660,4 @@
const char *btsvariant2str(enum gsm_bts_type_variant v);
struct neighbor_ident_key *bts_ident_key(const struct gsm_bts *bts);
+int gsm_bts_get_cgi_ps(const struct gsm_bts *bts, struct osmo_cell_global_id_ps *cgi_ps);
diff --git a/src/osmo-bsc/bts.c b/src/osmo-bsc/bts.c
index 76da136..af22561 100644
--- a/src/osmo-bsc/bts.c
+++ b/src/osmo-bsc/bts.c
@@ -769,6 +769,19 @@
return &key;
}
+int gsm_bts_get_cgi_ps(const struct gsm_bts *bts, struct osmo_cell_global_id_ps *cgi_ps)
+{
+ if (bts->gprs.mode == BTS_GPRS_NONE)
+ return -ENOTSUP;
+
+ cgi_ps->rai.lac.plmn = bts->network->plmn;
+ cgi_ps->rai.lac.lac = bts->location_area_code;
+ cgi_ps->rai.rac = bts->gprs.rac;
+ cgi_ps->cell_identity = bts->cell_identity;
+
+ return 0;
+}
+
const struct rate_ctr_desc bts_ctr_description[] = {
[BTS_CTR_CHREQ_TOTAL] = \
{ "chreq:total",
diff --git a/src/osmo-bsc/neighbor_ident.c b/src/osmo-bsc/neighbor_ident.c
index 185cd0b..6f96033 100644
--- a/src/osmo-bsc/neighbor_ident.c
+++ b/src/osmo-bsc/neighbor_ident.c
@@ -273,7 +273,9 @@
char *tmp = NULL, *tok, *saveptr;
struct neighbor_ident_key ni;
unsigned lac, cell_id;
- const struct osmo_cell_global_id_ps *cgi_ps;
+ struct osmo_cell_global_id_ps local_cgi_ps;
+ const struct osmo_cell_global_id_ps *cgi_ps = NULL;
+ struct gsm_bts_ref *neigh;
if (!cmd->variable)
goto fmt_err;
@@ -324,10 +326,26 @@
if (!neighbor_ident_key_valid(&ni))
goto fmt_err;
- tgt_cell_li = neighbor_ident_get(net->neighbor_bss_cells, &ni);
- if (!tgt_cell_li || tgt_cell_li->id_discr != CELL_IDENT_WHOLE_GLOBAL_PS || tgt_cell_li->id_list_len < 1)
- goto notfound_err;
- cgi_ps = &tgt_cell_li->id_list[0].global_ps;
+ /* Is there a local BTS that matches the key? */
+ llist_for_each_entry(neigh, &bts_found->local_neighbors, entry) {
+ struct gsm_bts *neigh_bts = neigh->bts;
+ struct neighbor_ident_key *neigh_bts_key = bts_ident_key(neigh_bts);
+ neigh_bts_key->from_bts = ni.from_bts;
+ if (!neighbor_ident_key_match(neigh_bts_key, &ni, true))
+ continue;
+ if (gsm_bts_get_cgi_ps(neigh->bts, &local_cgi_ps) < 0)
+ continue; /* Not supporting GPRS */
+ cgi_ps = &local_cgi_ps;
+ break;
+ }
+
+ /* No local neighbor found, looking for remote neighbors */
+ if (!cgi_ps) {
+ tgt_cell_li = neighbor_ident_get(net->neighbor_bss_cells, &ni);
+ if (!tgt_cell_li || tgt_cell_li->id_discr != CELL_IDENT_WHOLE_GLOBAL_PS || tgt_cell_li->id_list_len < 1)
+ goto notfound_err;
+ cgi_ps = &tgt_cell_li->id_list[0].global_ps;
+ }
ctrl_cmd_reply_printf(cmd, "%s", osmo_cgi_ps_name(cgi_ps));
talloc_free(tmp);
diff --git a/tests/ctrl/osmo-bsc-neigh-test.cfg b/tests/ctrl/osmo-bsc-neigh-test.cfg
index f1e71b6..2fbc8f8 100644
--- a/tests/ctrl/osmo-bsc-neigh-test.cfg
+++ b/tests/ctrl/osmo-bsc-neigh-test.cfg
@@ -46,6 +46,8 @@
oml ipa stream-id 255 line 0
codec-support fr
gprs mode gprs
+ gprs routing area 5
+ ! remote neigh:
neighbor cgi-ps 23 42 423 2 5 arfcn 23 bsic 32
trx 0
rf_locked 0
@@ -78,6 +80,63 @@
timeslot 7
phys_chan_config TCH/F
hopping enabled 0
+ bts 1
+ type sysmobts
+ band DCS1800
+ cell_identity 123
+ location_area_code 1
+ base_station_id_code 55
+ ms max power 15
+ cell reselection hysteresis 4
+ rxlev access min 0
+ radio-link-timeout 32
+ channel allocator ascending
+ rach tx integer 9
+ rach max transmission 7
+ channel-description attach 1
+ channel-description bs-pa-mfrms 5
+ channel-description bs-ag-blks-res 1
+ early-classmark-sending forbidden
+ ipa unit-id 55 0
+ oml ipa stream-id 255 line 0
+ codec-support fr
+ gprs mode gprs
+ gprs routing area 6
+ neighbor bts 0
+ trx 0
+ rf_locked 0
+ arfcn 880
+ nominal power 23
+ ! to use full TRX power, set max_power_red 0
+ max_power_red 20
+ rsl e1 tei 0
+ timeslot 0
+ phys_chan_config CCCH+SDCCH4
+ hopping enabled 0
+ timeslot 1
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 2
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 3
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 4
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 5
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 6
+ phys_chan_config TCH/F
+ hopping enabled 0
+ timeslot 7
+ phys_chan_config TCH/F
+ hopping enabled 0
+ bts 0
+ ! local neigh, refers to bts 1:
+ neighbor cgi-ps 1 1 1 6 123
msc 0
type normal
allow-emergency allow
diff --git a/tests/ctrl_test_runner.py b/tests/ctrl_test_runner.py
index fb983c9..501b917 100755
--- a/tests/ctrl_test_runner.py
+++ b/tests/ctrl_test_runner.py
@@ -501,11 +501,24 @@
def ctrl_app(self):
return (4248, "./src/osmo-bsc/osmo-bsc", "OsmoBSC", "bsc")
- def testCtrlNeighborResolution(self):
+ def testCtrlNeighborResolutionLocalBtsNr(self):
+ r = self.do_get('neighbor_resolve_cgi_ps_from_lac_ci.1.123.871.63')
+ self.assertEqual(r['mtype'], 'GET_REPLY')
+ self.assertEqual(r['var'], 'neighbor_resolve_cgi_ps_from_lac_ci.1.123.871.63')
+ self.assertEqual(r['value'], '001-01-1-5-6969')
+
+ def testCtrlNeighborResolutionLocalWithoutArfcnBsic(self):
+ r = self.do_get('neighbor_resolve_cgi_ps_from_lac_ci.1.6969.880.55')
+ self.assertEqual(r['mtype'], 'GET_REPLY')
+ self.assertEqual(r['var'], 'neighbor_resolve_cgi_ps_from_lac_ci.1.6969.880.55')
+ self.assertEqual(r['value'], '001-01-1-6-123')
+
+ def testCtrlNeighborResolutionWrongSyntax(self):
r = self.do_get('neighbor_resolve_cgi_ps_from_lac_ci')
self.assertEqual(r['mtype'], 'ERROR')
self.assertEqual(r['error'], 'The format is <src_lac>,<src_cell_id>,<dst_arfcn>,<dst_bsic>')
+ def testCtrlNeighborResolutionRemote(self):
r = self.do_get('neighbor_resolve_cgi_ps_from_lac_ci.1.6969.23.32')
self.assertEqual(r['mtype'], 'GET_REPLY')
self.assertEqual(r['var'], 'neighbor_resolve_cgi_ps_from_lac_ci.1.6969.23.32')
--
To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/22814
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I217e3550aa6d7f3c3cab4e545641d790ae12b23f
Gerrit-Change-Number: 22814
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
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