ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

bsc: improve TC_assignment_csd 

Verify that CSD ipaccess CRCX/MDCX has the CSD RTP payload type, and
that the RSL_IE_IPAC_RTP_CSD_FMT IE is set with
RSL_IPA_RTP_CSD_TRAU_BTS.

Related: OS#4393
Change-Id: Id0e0c5631d7a36635e1ef49cf5bf554f0336556b
This commit is contained in:
Oliver Smith 2023-04-17 14:06:42 +02:00 committed by osmith
parent 6baf5e7767
commit bc392a8377
4 changed files with 53 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
bsc/BSC_Tests.ttcn
View File

@ -1852,6 +1852,7 @@ runs on test_CT return DchanTuple {
private function f_tc_assignment_csd(charstring id) runs on MSC_ConnHdlr {
var template PDU_BSSAP exp_compl := f_gen_exp_compl();
var PDU_BSSAP ass_cmd := f_gen_ass_req();
var SDP_FIELD_PayloadType pt_csd := PT_CSD;
ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelTypeCSD);
ass_cmd.pdu.bssmap.assignmentRequest.codecList := valueof(ts_BSSMAP_IE_CodecList({ts_CodecCSData}));
@ -1859,6 +1860,11 @@ private function f_tc_assignment_csd(charstring id) runs on MSC_ConnHdlr {
ass_cmd.pdu.bssmap.assignmentRequest.channelType.speechId_DataIndicator := GSM0808_DATA_RATE_TRANSP_4k8;
f_establish_fully(ass_cmd, exp_compl);
if (g_media.bts.rtp_pt != enum2int(pt_csd)) {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("unexpected RTP payload type: ", g_media.bts.rtp_pt));
}
f_perform_clear();
}
testcase TC_assignment_csd() runs on test_CT {

24
bsc/MSC_ConnectionHandler.ttcn
View File

@ -198,6 +198,28 @@ private function f_get_mgcp_conn(MgcpConnectionId cid) runs on MSC_ConnHdlr retu
return -1;
}
/* Verify that CSD CRCX/MDCX has the RSL_IE_IPAC_RTP_CSD_FMT IE, and that
* inside it the D value is set to RSL_IPA_RTP_CSD_TRAU_BTS. */
private function f_ipacc_crcx_mdcx_check_rtp_pt_csd(RSL_Message rsl) runs on MSC_ConnHdlr {
var SDP_FIELD_PayloadType pt_csd := PT_CSD;
var RSL_IE_Body ie;
if (g_media.bts.rtp_pt != enum2int(pt_csd)) {
return;
}
if (f_rsl_find_ie(rsl, RSL_IE_IPAC_RTP_CSD_FMT, ie)) {
if (ie.ipa_rtp_csd_fmt.d != RSL_IPA_RTP_CSD_TRAU_BTS) {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
"Rx unexpected IPAC CRCX for CSD with RTP_CSD_FMT IE");
}
return;
}
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
"Rx unexpected IPAC CRCX for CSD without RTP_CSD_FMT IE");
}
/* altstep for handling of IPACC media related commands. Activated by as_Media() to test
* RSL level media handling */
altstep as_Media_ipacc(RSL_DCHAN_PT rsl_pt := RSL, RSL_DCHAN_PT rsl_pt_ho_target := RSL1) runs on MSC_ConnHdlr {
@ -224,6 +246,7 @@ altstep as_Media_ipacc(RSL_DCHAN_PT rsl_pt := RSL, RSL_DCHAN_PT rsl_pt_ho_target
g_media.bts.local_osmux_cid := omit;
g_media.bts.remote_osmux_cid := omit;
}
f_ipacc_crcx_mdcx_check_rtp_pt_csd(rsl);
rsl_pt.send(ts_RSL_IPA_CRCX_ACK(g_chan_nr, g_media.bts.conn_id,
f_inet_addr(g_media.bts.bts.host),
g_media.bts.bts.port_nr,
@ -262,6 +285,7 @@ altstep as_Media_ipacc(RSL_DCHAN_PT rsl_pt := RSL, RSL_DCHAN_PT rsl_pt_ho_target
g_media.bts.local_osmux_cid := omit;
g_media.bts.remote_osmux_cid := omit;
}
f_ipacc_crcx_mdcx_check_rtp_pt_csd(rsl);
rsl_pt.send(ts_RSL_IPA_MDCX_ACK(g_chan_nr, g_media.bts.conn_id,
f_inet_addr(g_media.bts.peer.host),
g_media.bts.peer.port_nr,

3
library/MGCP_Types.ttcn
View File

@ -128,7 +128,8 @@ module MGCP_Types {
PT_GSMEFR(110),
PT_GSMHR(111),
PT_AMR(112),
PT_AMRWB(113)
PT_AMRWB(113),
PT_CSD(120)
}
} with { encode "TEXT" }

21
library/RSL_Types.ttcn
View File

@ -945,6 +945,25 @@ module RSL_Types {
RSL_IPA_Codec codec
}
type enumerated RSL_IPA_RTP_CSD_FMT_D {
RSL_IPA_RTP_CSD_EXT_TRAU ('0000'B),
RSL_IPA_RTP_CSD_NON_TRAU ('0001'B),
RSL_IPA_RTP_CSD_TRAU_BTS ('0010'B),
RSL_IPA_RTP_CSD_IWF_FREE ('0011'B)
} with { variant "FIELDLENGTH(4)" }
type enumerated RSL_IPA_RTP_CSD_FMT_IR {
RSL_IPA_RTP_CSD_8k ('0000'B),
RSL_IPA_RTP_CSD_16k ('0001'B),
RSL_IPA_RTP_CSD_32k ('0010'B),
RSL_IPA_RTP_CSD_64 ('0011'B)
} with { variant "FIELDLENGTH(4)" }
type record RSL_IE_IPA_RTP_CSD_FMT {
RSL_IPA_RTP_CSD_FMT_IR ir,
RSL_IPA_RTP_CSD_FMT_D d
}
/* 9.3.20 */
type enumerated RSL_IE_ReleaseMode {
RSL_REL_MODE_NORMAL ('00'B),
@ -1076,6 +1095,7 @@ module RSL_Types {
uint8_t ipa_rtp_pt2,
RSL_IE_IPA_ConnectionStats ipa_stats,
RSL_IE_IPA_SpeechMode ipa_speech_mode,
RSL_IE_IPA_RTP_CSD_FMT ipa_rtp_csd_fmt,
RSL_IE_OSMO_TrainingSequence osmo_training_sequence,
RSL_IE_OSMO_RepAcchCap rep_acch_cap,
@ -1142,6 +1162,7 @@ module RSL_Types {
ipa_rtp_pt2, iei = RSL_IE_IPAC_RTP_PAYLOAD2;
ipa_stats, iei = RSL_IE_IPAC_CONN_STAT;
ipa_speech_mode, iei = RSL_IE_IPAC_SPEECH_MODE;
ipa_rtp_csd_fmt, iei = RSL_IE_IPAC_RTP_CSD_FMT;
osmo_training_sequence, iei = RSL_IE_OSMO_TRAINING_SEQUENCE;
rep_acch_cap, iei = RSL_IE_OSMO_REP_ACCH_CAP;