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pespin gerrit-no-reply at lists.osmocom.orgpespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16337 )
Change subject: pcu: Introduce tests to check UL CS initial and max
......................................................................
pcu: Introduce tests to check UL CS initial and max
Related: OS#4286
Change-Id: I3aa654e6f678698e5b8cb4914f1ca5b39fc08568
---
M pcu/PCU_Tests_RAW.ttcn
1 file changed, 151 insertions(+), 1 deletion(-)
Approvals:
fixeria: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/pcu/PCU_Tests_RAW.ttcn b/pcu/PCU_Tests_RAW.ttcn
index 5bb5fa7..24187b7 100644
--- a/pcu/PCU_Tests_RAW.ttcn
+++ b/pcu/PCU_Tests_RAW.ttcn
@@ -1058,7 +1058,7 @@
var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
tfi := ul_tbf_ass.dynamic.tfi_assignment,
- cv := 15, /* 15 UL blocks to be sent (to be overridden in loop) */
+ cv := 15, /* 16 UL blocks to be sent (to be overridden in loop) */
bsn := 0, /* TODO: what should be here? */
blocks := { /* To be generated in loop */ });
@@ -1111,6 +1111,154 @@
}
}
+/* Test the max UL CS set by VTY works fine */
+testcase TC_cs_initial_ul() runs on RAW_PCU_Test_CT {
+ var GsmRrMessage rr_imm_ass;
+ var PacketUlAssign ul_tbf_ass;
+ var RlcmacDlBlock dl_block;
+ var boolean ok;
+ var integer lqual_cb;
+ var ChCodingCommand last_ch_coding;
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Set initial UL CS to 3 */
+ g_cs_initial_ul := 3;
+ f_pcuvty_set_allowed_cs_mcs();
+ f_pcuvty_set_link_quality_ranges();
+
+ /* Take lqual (dB->cB) so that we stay in that CS */
+ lqual_cb := g_cs_lqual_ranges[2].low * 10;
+
+ /* 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;
+ }
+
+ var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
+ tfi := ul_tbf_ass.dynamic.tfi_assignment,
+ cv := 3, /* 8 UL blocks to be sent (to be overridden in loop) */
+ bsn := 0, /* TODO: what should be here? */
+ blocks := { /* To be generated in loop */ });
+
+ /* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
+ ul_data.data.tlli := '00000001'O;
+
+ /* 3 UL blocks, check we are in same initial CS: */
+ for (var integer i := 0; i < 3; i := i + 1) {
+ /* Prepare a new UL block (CV, random payload) */
+ ul_data.data.mac_hdr.countdown := (7 - i);
+ ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
+
+ /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
+ f_tx_rlcmac_ul_block(ul_data, lqual_cb);
+
+ /* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block);
+ last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
+ }
+
+ if (last_ch_coding != CH_CODING_CS3) {
+ setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding);
+ mtc.stop;
+ }
+
+ setverdict(pass);
+
+ /* Remaining UL blocks are used to make sure regardless of initial
+ /* lqual, we can go lower at any time */
+
+ /* 5 UL blocks, check we are in same initial CS: */
+ for (var integer i := 3; i < 8; i := i + 1) {
+ /* Prepare a new UL block (CV, random payload) */
+ ul_data.data.mac_hdr.countdown := (7 - i);
+ ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
+
+ /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
+ f_tx_rlcmac_ul_block(ul_data, 0); /* 0 dB, make sure we downgrade CS */
+
+ /* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block);
+
+ last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
+ }
+
+ if (last_ch_coding != CH_CODING_CS1) {
+ setverdict(fail, "Channel Coding does not match our expectations (CS-1): ", last_ch_coding);
+ } else {
+ setverdict(pass);
+ }
+}
+
+/* Test the max UL CS set by VTY works fine */
+testcase TC_cs_max_ul() runs on RAW_PCU_Test_CT {
+ var GsmRrMessage rr_imm_ass;
+ var PacketUlAssign ul_tbf_ass;
+ var RlcmacDlBlock dl_block;
+ var boolean ok;
+ var ChCodingCommand last_ch_coding;
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Set maximum allowed UL CS to 3 */
+ g_cs_max_ul := 3;
+ f_pcuvty_set_allowed_cs_mcs();
+ f_pcuvty_set_link_quality_ranges();
+
+ /* 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;
+ }
+
+ var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
+ tfi := ul_tbf_ass.dynamic.tfi_assignment,
+ cv := 15, /* 16 UL blocks to be sent (to be overridden in loop) */
+ bsn := 0, /* TODO: what should be here? */
+ blocks := { /* To be generated in loop */ });
+
+ /* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
+ ul_data.data.tlli := '00000001'O;
+
+ /* 16 UL blocks */
+ for (var integer i := 0; i < 16; i := i + 1) {
+ /* Prepare a new UL block (CV, random payload) */
+ ul_data.data.mac_hdr.countdown := (15 - i);
+ ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
+
+ /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
+ f_tx_rlcmac_ul_block(ul_data, 40*10); /* 40 dB */
+
+ /* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block);
+
+ last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
+ }
+
+ if (last_ch_coding != CH_CODING_CS3) {
+ setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding);
+ } else {
+ setverdict(pass);
+ }
+}
+
/* Verify PCU drops TBF after some time of inactivity. */
testcase TC_t3169() runs on RAW_PCU_Test_CT {
var PCUIF_info_ind info_ind;
@@ -1233,6 +1381,8 @@
execute( TC_ta_rach_imm_ass() );
execute( TC_ta_ptcch_ul_multi_tbf() );
execute( TC_cs_lqual_ul_tbf() );
+ execute( TC_cs_initial_ul() );
+ execute( TC_cs_max_ul() );
execute( TC_t3169() );
execute( TC_mo_ping_pong() );
}
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16337
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I3aa654e6f678698e5b8cb4914f1ca5b39fc08568
Gerrit-Change-Number: 16337
Gerrit-PatchSet: 4
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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