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osmo-ttcn3-hacks
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pcu: Introduce tests to check UL CS initial and max 

Related: OS#4286
Change-Id: I3aa654e6f678698e5b8cb4914f1ca5b39fc08568
This commit is contained in:
Pau Espin 2019-11-29 14:07:24 +01:00 committed by pespin
parent 2a45a5037d
commit 3eef95c031
1 changed files with 151 additions and 1 deletions
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152
pcu/PCU_Tests_RAW.ttcn
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@ -1058,7 +1058,7 @@ testcase TC_cs_lqual_ul_tbf() runs on RAW_PCU_Test_CT {
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 @@ testcase TC_cs_lqual_ul_tbf() runs on RAW_PCU_Test_CT {
}
}
/* 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 @@ control {
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() );
}