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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15623 )
Change subject: pcu: add TC_paging_cs_from_bts
......................................................................
pcu: add TC_paging_cs_from_bts
1. BTS send a CS paging Request over pcu socket
2. Expect a CS paging frame
Related: OS#3927
Change-Id: Ia3ad503c243c9b3b162e204683fa4fa5447bbab3
---
M library/RLCMAC_CSN1_Types.ttcn
M library/RLCMAC_Types.ttcn
M pcu/PCU_Tests_RAW.ttcn
3 files changed, 111 insertions(+), 4 deletions(-)
Approvals:
laforge: Looks good to me, approved
osmith: Looks good to me, but someone else must approve
Jenkins Builder: Verified
diff --git a/library/RLCMAC_CSN1_Types.ttcn b/library/RLCMAC_CSN1_Types.ttcn
index a2f9a92..ea2edf6 100644
--- a/library/RLCMAC_CSN1_Types.ttcn
+++ b/library/RLCMAC_CSN1_Types.ttcn
@@ -235,11 +235,13 @@
BIT1 persistence_levels_present,
PersistenceLevels persistence_levels optional,
BIT1 nln_present,
- uint2_t nln optional
- /* TODO: Repeated PageInfo */
+ uint2_t nln optional,
+ BIT1 repeated_pageinfo_present,
+ PageInfo repeated_pageinfo optional
} with {
variant (persistence_levels) "PRESENCE(persistence_levels_present = '1'B)"
variant (nln) "PRESENCE(nln_present = '1'B)"
+ variant (repeated_pageinfo) "PRESENCE(repeated_pageinfo_present = '1'B)"
};
/* 11.2.28 Uplink Ack/Nack */
diff --git a/library/RLCMAC_Types.ttcn b/library/RLCMAC_Types.ttcn
index 7043785..8f9f2a5 100644
--- a/library/RLCMAC_Types.ttcn
+++ b/library/RLCMAC_Types.ttcn
@@ -339,7 +339,7 @@
usf := usf
}
- template RlcmacDlBlock tr_RLCMAC_DUMMY_CTRL(template uint3_t usf := ?) := {
+ template RlcmacDlBlock tr_RLCMAC_DUMMY_CTRL(template uint3_t usf := ?, template PageMode page_mode := ?) := {
ctrl := {
mac_hdr := {
payload_type := (MAC_PT_RLCMAC_NO_OPT, MAC_PT_RLCMAC_OPT),
@@ -352,7 +352,7 @@
msg_type := PACKET_DL_DUMMY_CTRL,
u := {
dl_dummy := {
- page_mode := ?,
+ page_mode := page_mode,
persistence_levels_present := ?,
persistence_levels := *
}
@@ -418,6 +418,32 @@
}
}
+ template RlcmacDlBlock tr_RLCMAC_PACKET_PAG_REQ(template uint3_t usf := ?) := {
+ ctrl := {
+ mac_hdr := {
+ payload_type := MAC_PT_RLCMAC_NO_OPT,
+ rrbp:= ?,
+ rrbp_valid := ?,
+ usf := usf
+ },
+ opt := *,
+ payload := {
+ msg_type := PACKET_PAGING_REQUEST,
+ u := {
+ paging := {
+ page_mode := ?,
+ persistence_levels_present := ?,
+ persistence_levels := *,
+ nln_present := ?,
+ nln := *,
+ repeated_pageinfo_present := ?,
+ repeated_pageinfo := *
+ }
+ }
+ }
+ }
+ }
+
template RlcmacDlBlock tr_RLCMAC_DATA_RRBP := {
data := {
mac_hdr := {
diff --git a/pcu/PCU_Tests_RAW.ttcn b/pcu/PCU_Tests_RAW.ttcn
index 2fc42c1..c41a244 100644
--- a/pcu/PCU_Tests_RAW.ttcn
+++ b/pcu/PCU_Tests_RAW.ttcn
@@ -27,6 +27,9 @@
import from RLCMAC_CSN1_Types all;
import from RLCMAC_Types all;
+import from MobileL3_CommonIE_Types all;
+import from L3_Templates all;
+
import from NS_Types all;
import from BSSGP_Types all;
import from Osmocom_Gb_Types all;
@@ -810,6 +813,17 @@
poll_fn := dl_fn + f_rrbp_fn_delay(dl_block.ctrl.mac_hdr.rrbp);
}
+private function f_rx_rlcmac_dl_block_exp_pkt_pag_req(out RlcmacDlBlock dl_block)
+runs on RAW_PCU_Test_CT {
+ var uint32_t dl_fn;
+
+ f_rx_rlcmac_dl_block(dl_block, dl_fn);
+ if (not match(dl_block, tr_RLCMAC_PACKET_PAG_REQ())) {
+ setverdict(fail, "Failed to match Packet Paging Request: ", dl_block, " vs ", tr_RLCMAC_PACKET_PAG_REQ());
+ mtc.stop;
+ }
+}
+
private function f_rx_rlcmac_dl_block_exp_data(out RlcmacDlBlock dl_block, out uint32_t ack_fn, octetstring data, template (present) uint7_t exp_bsn := ?)
runs on RAW_PCU_Test_CT {
var PCUIF_Message pcu_msg;
@@ -1588,6 +1602,70 @@
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
}
+/* Test CS paging over the BTS<->PCU socket.
+ * When a (class B or C, not A) MS has an active TBF (or is on the PDCH), the MS can not react on CS paging over CCCH.
+ * Paging should be send on the PACCH.
+ *
+ * 1. Send a Paging Request over PCU socket.
+ * 2. Send a Ready-To-Send message over PCU socket
+ * 3. Expect a Paging Frame
+ */
+testcase TC_paging_cs_from_bts() runs on RAW_PCU_Test_CT {
+ var GsmRrMessage rr_imm_ass;
+ var PacketUlAssign ul_tbf_ass;
+ var RlcmacDlBlock dl_block;
+ var boolean ok;
+ var OCT4 tlli := '00000001'O;
+ var MobileL3_CommonIE_Types.MobileIdentityLV mi;
+ var octetstring mi_enc_lv;
+ var MobileIdentityLV_Paging mi_res;
+ var hexstring imsi := f_gen_imsi(42);
+
+ /* Initialize NS/BSSGP side */
+ f_init_bssgp();
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Establish BSSGP connection to the PCU */
+ f_bssgp_establish();
+ f_bssgp_client_llgmm_assign('FFFFFFFF'O, tlli);
+
+ /* Establish an Uplink TBF */
+ ok := f_establish_tbf(rr_imm_ass);
+ if (not ok) {
+ setverdict(fail, "Failed to establish TBF");
+ mtc.stop;
+ }
+
+ ok := f_imm_ass_verify_ul_tbf_ass(rr_imm_ass, ul_tbf_ass);
+ if (not ok) {
+ setverdict(fail, "Immediate Assignment not an Uplink TBF");
+ mtc.stop;
+ }
+
+
+ /* build mobile Identity */
+ mi := valueof(ts_MI_IMSI_LV(imsi));
+ mi_enc_lv := enc_MobileIdentityLV(mi);
+ /* Send paging request */
+ BTS.send(ts_PCUIF_PAG_REQ(bts_nr := 0, id_lv := mi_enc_lv, chan_needed := 0,
+ sapi :=PCU_IF_SAPI_PDTCH));
+
+ /* Receive it on BTS side towards MS */
+ f_rx_rlcmac_dl_block_exp_pkt_pag_req(dl_block);
+ /* FIXME: we must use .ps. here instead of .cs. (the one actually sent)
+ because TTCN3 counts length up to octet boundary and thinks it's a
+ PageInfoPs: */
+ mi_res := dl_block.ctrl.payload.u.paging.repeated_pageinfo.ps.mobile_identity;
+ if (oct2int(substr(mi_enc_lv, 0, 1)) != mi_res.len) {
+ /* TODO: Verify MI contents encoded match */
+ setverdict(fail, "Mobile Identity not matching (imsi=", imsi, ")");
+ mtc.stop;
+ }
+ setverdict(pass);
+}
+
control {
execute( TC_ns_reset() );
execute( TC_ns_reset_retrans() );
@@ -1609,6 +1687,7 @@
execute( TC_t3193() );
execute( TC_mo_ping_pong() );
execute( TC_imm_ass_dl_block_retrans() );
+ execute( TC_paging_cs_from_bts() );
}
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15623
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ia3ad503c243c9b3b162e204683fa4fa5447bbab3
Gerrit-Change-Number: 15623
Gerrit-PatchSet: 6
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>
Gerrit-Assignee: osmith <osmith at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-Reviewer: lynxis lazus <lynxis at fe80.eu>
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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