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osmo-ttcn3-hacks
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bts: Add RLL tests 

This adds a series of test cases to BTS_Tests.ttcn implementing testing
of the RLL sub-layr of RSL, i.e. the translation between LAPDm frames
on the Um interface and the RLL frames on the Abis side (and vice vrsa).

Related: OS#3174
Change-Id: I336378de6106e5369600cbb49e0c47cc59864630
This commit is contained in:
Harald Welte 2018-03-12 15:02:26 +01:00
parent 187ad5da87
commit 0472ab4415
4 changed files with 605 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

453
bts/BTS_Tests.ttcn
View File

@ -105,6 +105,7 @@ type component test_CT extends CTRL_Adapter_CT {
/* all logical channels available on the BTS */
var ChannelNrs g_AllChannels;
var ChannelNrs g_AllChanTypes;
}
/* an individual call / channel */
@ -141,7 +142,13 @@ type record ConnHdlrPars {
RslChannelNr chan_nr,
RSL_IE_ChannelMode chan_mode,
float t_guard,
ConnL1Pars l1_pars
ConnL1Pars l1_pars,
TestSpecUnion spec optional
}
/* Test-specific parameters */
type union TestSpecUnion {
RllTestCase rll
}
template (value) RachControlParameters ts_RachCtrl_default := {
@ -290,6 +297,16 @@ function f_init(charstring id := "BTS-Test") runs on test_CT {
valueof(ts_RslChanNr_SDCCH8(6,4)), valueof(ts_RslChanNr_SDCCH8(6,5)),
valueof(ts_RslChanNr_SDCCH8(6,6)), valueof(ts_RslChanNr_SDCCH8(6,7))
};
g_AllChanTypes := {
/* TS 1..4: TCH/F */
//valueof(ts_RslChanNr_Bm(1)),
/* TS 5: TCH/H */
//valueof(ts_RslChanNr_Lm(5,1)),
/* TS 0: SDCCH/4 */
valueof(ts_RslChanNr_SDCCH4(0,2)),
/* TS 6: SDCCH/8 */
valueof(ts_RslChanNr_SDCCH8(6,4))
};
f_init_rsl(id);
RSL_CCHAN.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP});
@ -480,7 +497,8 @@ private template ConnHdlrPars t_Pars(template RslChannelNr chan_nr,
bs_power_level := 0,
ms_power_level := 0,
ms_actual_ta := 0
}
},
spec := omit
}
/***********************************************************************
@ -1313,6 +1331,7 @@ function f_TC_meas_res_periodic(charstring id) runs on ConnHdlr {
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
}
testcase TC_meas_res_sign_tchf() runs on test_CT {
var ConnHdlr vc_conn;
var ConnHdlrPars pars;
@ -1372,7 +1391,7 @@ testcase TC_meas_res_sign_tchh_toa256() runs on test_CT {
}
/* Test if a channel without valid uplink bursts generates RSL CONN FAIL IND */
/* Test if a channel without valid uplink bursts generates RSL CONN FAIL IND (TS 48.058 4.10) */
private function f_TC_conn_fail_crit(charstring id) runs on ConnHdlr {
f_l1_tune(L1CTL);
RSL.clear;
@ -2993,6 +3012,421 @@ testcase TC_dyn_ipa_pdch_act_tchf_act_nack() runs on test_CT {
}
/***********************************************************************
* LAPDm / RLL related
***********************************************************************/
private function f_tx_lapdm(template (value) LapdmFrame l,
template (value) RslLinkId link_id) runs on ConnHdlr {
var octetstring l2 := enc_LapdmFrame(valueof(l));
if (valueof(link_id.c) == SACCH) {
/* prepend dummy L1 header */
l2 := '0000'O & l2;
}
log("encoding ", l, " to ", l2);
L1CTL.send(ts_L1CTL_DATA_REQ(g_chan_nr, link_id, l2));
}
type record RllTestCase {
uint3_t sapi,
RslLinkId link_id,
octetstring l3,
boolean exp
}
type record of RllTestCase RllTestCases;
template RllTestCase t_EITC(uint3_t sapi, RslLinkId id, octetstring l3, boolean exp) := {
sapi := sapi,
link_id := id,
l3 := l3,
exp := exp
}
/* execute the same callback function with a set of different parameters (tcs) on a
* variety of logical channels */
private function f_rll_testmatrix(RllTestCases tcs, void_fn fn) runs on test_CT {
var ConnHdlrPars pars;
var ConnHdlr vc_conn;
f_init(testcasename());
/* test on each of the channels we have */
for (var integer i := 0; i < sizeof(g_AllChanTypes); i := i+1) {
pars := valueof(t_Pars(g_AllChanTypes[i], ts_RSL_ChanMode_SIGN));
/* test each of the test cases on the current channel */
for (var integer j := 0; j < sizeof(tcs); j := j+1) {
pars.spec.rll := tcs[j];
log(testcasename(), ": XXX Starting ", tcs[j] , " on ", g_AllChanTypes[i]);
vc_conn := f_start_handler(fn, pars);
vc_conn.done;
}
}
f_shutdown();
}
/* test if SABM on Um triggers EST IND (TS 48.058 3.1) */
private function f_TC_rll_est_ind(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
timer T := 3.0;
f_l1_tune(L1CTL);
RSL.clear;
/* activate the logical channel */
f_est_dchan();
L1CTL.clear;
f_tx_lapdm(ts_LAPDm_SABM(tc.sapi, cr_MO_CMD, true, tc.l3), tc.link_id);
T.start;
alt {
[tc.l3 != ''O] RSL.receive(tr_RSL_EST_IND(g_chan_nr, tc.link_id, tc.l3)) {
if (tc.exp) {
setverdict(pass);
} else {
setverdict(fail, "Unexpected EST IND with L3 in ", tc);
}
}
[tc.l3 == ''O] RSL.receive(tr_RSL_EST_IND_NOL3(g_chan_nr, tc.link_id)) {
if (tc.exp) {
setverdict(pass);
} else {
setverdict(fail, "Unexpected EST IND without L3 in ", tc);
}
}
[tc.exp] T.timeout {
setverdict(fail, "Timeout waiting for EST IND");
}
[not tc.exp] T.timeout {
setverdict(pass);
}
}
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_est_ind() runs on test_CT {
var RllTestCases tcs := {
/* normal SAPI0 establishment */
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), '01020304'O, true)),
/* SAPI 0 requires contention resolution */
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), ''O, false)),
/* SAPI 3 doesn't support contention resolution */
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), '01020304'O, false)),
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), '01020304'O, false)),
/* normal SAPI3 establishment on main DCCH */
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), ''O, true)),
/* normal SAPI3 establishment on SACCH */
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), ''O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_est_ind));
}
/* test if RLL EST REQ trigeres SABM on Um; UA on Um triggers EST CONF (TS 48.058 3.2) */
private function f_TC_rll_est_req(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
var L1ctlDlMessage dl;
timer T := 3.0;
f_l1_tune(L1CTL);
RSL.clear;
/* activate the logical channel */
f_est_dchan();
L1CTL.clear;
/* Send a RSL EST REQ for SAPI3 on main DCCH */
RSL.send(ts_RSL_EST_REQ(g_chan_nr, tc.link_id));
T.start;
alt {
[] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, ?)) -> value dl {
var LapdmFrame lapdm;
var octetstring l2 := dl.payload.data_ind.payload;
if (dl.dl_info.link_id.c == SACCH) {
/* remove L1 header */
l2 := substr(l2, 2, lengthof(l2)-2);
}
lapdm.ab := dec_LapdmFrameAB(l2);
if (match(lapdm, tr_LAPDm_SABM(tc.sapi, cr_MT_CMD, true, ''O))) {
setverdict(pass);
} else {
repeat;
}
}
[] L1CTL.receive { repeat; }
[] T.timeout {
setverdict(fail, "Timeout waiting for SABM");
self.stop;
}
}
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_est_req_DCCH_3() runs on test_CT {
var RllTestCases tcs := {
/* normal SAPI3 establishment on main DCCH */
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), ''O, true))//,
};
f_rll_testmatrix(tcs, refers(f_TC_rll_est_req));
}
testcase TC_rll_est_req_ACCH_3() runs on test_CT {
var RllTestCases tcs := {
/* normal SAPI3 establishment on SACCH */
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), ''O, true))
}
f_rll_testmatrix(tcs, refers(f_TC_rll_est_req));
}
/* altstep to receive a LAPDm frame matching the given template */
private altstep as_l1_exp_lapdm(template LapdmFrame exp) runs on ConnHdlr {
var L1ctlDlMessage dl;
[] L1CTL.receive(tr_L1CTL_DATA_IND(g_chan_nr, ?)) -> value dl {
var LapdmFrame lapdm;
var octetstring l2 := dl.payload.data_ind.payload;
if (dl.dl_info.link_id.c == SACCH) {
/* remove L1 header */
l2 := substr(l2, 2, lengthof(l2)-2);
}
if (ischosen(exp.ab)) {
lapdm.ab := dec_LapdmFrameAB(l2);
} else if (ischosen(exp.b4)) {
lapdm.b4 := dec_LapdmFrameB4(l2);
} else if (ischosen(exp.bbis)) {
lapdm.bbis := dec_LapdmFrameBbis(l2);
}
log("Rx LAPDm ", lapdm);
if (match(lapdm, exp)) {
setverdict(pass);
} else {
repeat;
}
}
[] L1CTL.receive { repeat; }
}
private function f_l1_exp_lapdm(template LapdmFrame exp, float t := 3.0) runs on ConnHdlr {
timer T := t;
T.start;
alt {
[] T.timeout {
setverdict(fail, "Timeout waiting for LAPDm ", exp);
self.stop;
}
[] as_l1_exp_lapdm(exp);
}
}
/* establish one Radio Link Layer via SABM -> UA. Use l3 for contention resolution */
private function f_est_rll_mo(uint3_t sapi, RslLinkId link_id, octetstring l3) runs on ConnHdlr {
/* send SABM from MS -> BTS */
f_tx_lapdm(ts_LAPDm_SABM(sapi, cr_MO_CMD, true, l3), link_id);
/* expect RLL EST IND on Abis */
alt {
[l3 != ''O] RSL.receive(tr_RSL_EST_IND(g_chan_nr, link_id, l3));
[l3 == ''O] RSL.receive(tr_RSL_EST_IND_NOL3(g_chan_nr, link_id));
[] RSL.receive(tr_RSL_ERROR_IND(g_chan_nr, link_id, ?)) {
setverdict(fail, "Failing due to RSL_ERROR_IND");
self.stop;
}
[] RSL.receive { repeat; }
}
/* expect UA from BTS -> MS */
f_l1_exp_lapdm(tr_LAPDm_UA(sapi, cr_MT_RSP, true, l3));
}
/* test if DISC on Um triggers RLL REL IND (TS 48.058 3.3) */
private function f_TC_rll_rel_ind(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
f_l1_tune(L1CTL);
RSL.clear;
/* activate the logical channel */
f_est_dchan();
L1CTL.clear;
/* first establish the link-layer */
f_est_rll_mo(tc.sapi, tc.link_id, tc.l3);
/* then send the DISC */
f_tx_lapdm(ts_LAPDm_DISC(tc.sapi, cr_MO_CMD, true), tc.link_id);
/* ... and expect the REL IND on the RSL side */
alt {
[] RSL.receive(tr_RSL_REL_IND(g_chan_nr, tc.link_id)) {
setverdict(pass);
}
}
/* release the channel */
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_rel_ind_DCCH_0() runs on test_CT {
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), '01020304'O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_rel_ind));
}
testcase TC_rll_rel_ind_ACCH_0() runs on test_CT {
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_SACCH(0)), ''O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_rel_ind));
}
testcase TC_rll_rel_ind_DCCH_3() runs on test_CT {
var RllTestCases tcs := {
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), ''O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_rel_ind));
}
testcase TC_rll_rel_ind_ACCH_3() runs on test_CT {
var RllTestCases tcs := {
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), ''O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_rel_ind));
}
/* test if RLL REL REQ triggers DISC on Um; UA/DM triggers RLL REL CONF (TS 48.058 3.4) */
private function f_TC_rll_rel_req(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
f_l1_tune(L1CTL);
RSL.clear;
/* activate the logical channel */
f_est_dchan();
L1CTL.clear;
/* first establish the link-layer */
f_est_rll_mo(tc.sapi, tc.link_id, tc.l3);
/* then send the REL REQ via RSL */
RSL.send(ts_RSL_REL_REQ(g_chan_nr, tc.link_id, RSL_REL_MODE_NORMAL));
/* ... and expect the DISC on the Um side */
alt {
[] as_l1_exp_lapdm(tr_LAPDm_DISC(tc.sapi, cr_MO_CMD, true)) {
/* FIXME: send a UA in resposne to the DISC */
}
}
/* release the channel */
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_rel_req() runs on test_CT {
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), '01020304'O, true)),
valueof(t_EITC(0, valueof(ts_RslLinkID_SACCH(0)), ''O, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), ''O, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), ''O, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_rel_req));
}
/* test if RLL DATA REQ triggers I-frames on Um (TS 48.058 3.5) */
testcase TC_rll_data_req() runs on test_CT {
}
/* test if I-frames on Um trigger RLL DATA IND (TS 48.058 3.6) */
testcase TC_rll_data_ind() runs on test_CT {
}
/* test if RLL UNIT DATA REQ triggers UI-frame on Um (TS 48.058 3.7) */
private function f_TC_rll_ud_req(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
f_l1_tune(L1CTL);
RSL.clear;
f_est_dchan();
L1CTL.clear;
/* Send UNITDATA REQ on RSL side */
RSL.send(ts_RSL_UNITDATA_REQ(g_chan_nr, tc.link_id, tc.l3));
/* Expect it to arrive on the other side */
if (tc.link_id.c == SACCH) {
f_l1_exp_lapdm(tr_LAPDm_B4_UI(tc.sapi, cr_MT_CMD, false, tc.l3));
} else {
f_l1_exp_lapdm(tr_LAPDm_UI(tc.sapi, cr_MT_CMD, false, tc.l3));
}
/* release the channel */
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_unit_data_req_DCCH() runs on test_CT {
var octetstring l3 := f_rnd_octstring(15);
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), l3, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), l3, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_ud_req));
}
testcase TC_rll_unit_data_req_ACCH() runs on test_CT {
var octetstring l3 := f_rnd_octstring(19);
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_SACCH(0)), l3, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), l3, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_ud_req));
}
/* test if UI-frames on Um trigger RLL UNIT DATA IND (TS 48.058 3.8) */
private function f_TC_rll_ud_ind(charstring id) runs on ConnHdlr {
var RllTestCase tc := g_pars.spec.rll;
f_l1_tune(L1CTL);
RSL.clear;
f_est_dchan();
L1CTL.clear;
/* Send LAPDm UI frame. There is no B4 format in uplink! */
f_tx_lapdm(ts_LAPDm_UI(tc.sapi, cr_MO_CMD, false, tc.l3), tc.link_id);
/* Expdct RLL UNITDATA IND on RSL side */
alt {
[] RSL.receive(tr_RSL_UNITDATA_IND(g_chan_nr, tc.link_id, tc.l3)) {
setverdict(pass);
}
[] RSL.receive { repeat; }
}
/* release the channel */
f_rsl_chan_deact();
f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
f_rslem_unregister(0, g_chan_nr);
}
testcase TC_rll_unit_data_ind_DCCH() runs on test_CT {
var octetstring l3 := f_rnd_octstring(15);
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_DCCH(0)), l3, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_DCCH(3)), l3, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_ud_ind));
}
testcase TC_rll_unit_data_ind_ACCH() runs on test_CT {
var octetstring l3 := f_rnd_octstring(18);
var RllTestCases tcs := {
valueof(t_EITC(0, valueof(ts_RslLinkID_SACCH(0)), l3, true)),
valueof(t_EITC(3, valueof(ts_RslLinkID_SACCH(3)), l3, true))
};
f_rll_testmatrix(tcs, refers(f_TC_rll_ud_ind));
}
/* test generation of RLL ERR IND based on Um errors (TS 48.058 3.9) */
/* protocol error as per 44.006 */
/* link layer failure (repetition of I-frame N200 times without ACK */
/* repetition of SABM or DISC N200 times without ACK */
/* receptiom of SABM in multi-frame established state */
/* TODO Areas:
@ -3095,6 +3529,19 @@ control {
execute( TC_dyn_ipa_pdch_tchf_act() );
execute( TC_dyn_ipa_pdch_tchf_act_pdch_act_nack() );
execute( TC_dyn_ipa_pdch_act_tchf_act_nack() );
execute( TC_rll_est_ind() );
execute( TC_rll_est_req_DCCH_3() );
execute( TC_rll_est_req_ACCH_3() );
execute( TC_rll_rel_ind_DCCH_0() );
execute( TC_rll_rel_ind_DCCH_3() );
execute( TC_rll_rel_ind_ACCH_0() );
execute( TC_rll_rel_ind_ACCH_3() );
execute( TC_rll_rel_req() );
execute( TC_rll_unit_data_req_DCCH() );
execute( TC_rll_unit_data_req_ACCH() );
execute( TC_rll_unit_data_ind_DCCH() );
execute( TC_rll_unit_data_ind_ACCH() );
}

2
library/L1CTL_PortType.ttcn
View File

@ -97,7 +97,7 @@ module L1CTL_PortType {
alt {
[] pt.receive(tr_L1CTL_DATA_IND(t_RslChanNr_PCH_AGCH(0))) -> value dl {
rr := dec_GsmRrMessage(dl.payload.data_ind.payload);
log("PCH/AGCN DL RR: ", rr);
log("PCH/AGCH DL RR: ", rr);
if (match(rr, t_RR_IMM_ASS(ra, rach_fn))) {
log("Received IMM.ASS for our RACH!");
} else {

115
library/LAPDm_Types.ttcn
View File

@ -10,6 +10,12 @@ module LAPDm_Types {
type BIT3 LapdmUBits;
type BIT2 LapdmU2Bits;
/* 44.006 6.3.2 */
const boolean cr_MO_CMD := false;
const boolean cr_MO_RSP := true;
const boolean cr_MT_CMD := true;
const boolean cr_MT_RSP := false;
/* TS 44.006 Figure 4 */
type record LapdmAddressField {
BIT1 spare,
@ -193,4 +199,113 @@ module LAPDm_Types {
/* automatic decoding to the generic LapdmFrame will not work, you have to call one of the
* type-specific decoder routines above */
/* SABM frame with L3 payload */
template (value) LapdmFrame ts_LAPDm_SABM(LapdmSapi sapi, boolean c_r, boolean p,
octetstring l3) := {
ab := {
addr := ts_LapdmAddr(sapi, c_r),
ctrl := ts_LapdmCtrlSABM(p),
len := 0, /* overwritten in encoder */
m := false,
el := 1,
payload := l3
}
}
template LapdmFrame tr_LAPDm_SABM(template LapdmSapi sapi, template boolean c_r,
template boolean p, template octetstring l3) := {
ab := {
addr := tr_LapdmAddr(sapi, c_r),
ctrl := tr_LapdmCtrlSABM(p),
len := ?,
m := false,
el := 1,
payload := l3
}
}
template (value) LapdmFrame ts_LAPDm_UA(LapdmSapi sapi, boolean c_r, boolean f,
octetstring l3) := {
ab := {
addr := ts_LapdmAddr(sapi, c_r),
ctrl := ts_LapdmCtrlUA(f),
len := 0, /* overwritten in encoder */
m := false,
el := 1,
payload := l3
}
}
template LapdmFrame tr_LAPDm_UA(template LapdmSapi sapi, template boolean c_r,
template boolean f, template octetstring l3) := {
ab := {
addr := tr_LapdmAddr(sapi, c_r),
ctrl := tr_LapdmCtrlUA(f),
len := ?,
m := false,
el := 1,
payload := l3
}
}
template LapdmFrame ts_LAPDm_DISC(LapdmSapi sapi, boolean c_r, boolean p) := {
ab := {
addr := ts_LapdmAddr(sapi, c_r),
ctrl := ts_LapdmCtrlDISC(p),
len := 0,
m := false,
el := 1,
payload := ''O
}
}
template LapdmFrame tr_LAPDm_DISC(template LapdmSapi sapi, template boolean c_r,
template boolean p) := {
ab := {
addr := tr_LapdmAddr(sapi, c_r),
ctrl := tr_LapdmCtrlDISC(p),
len := ?,
m := false,
el := 1,
payload := ''O
}
}
template LapdmFrame ts_LAPDm_UI(LapdmSapi sapi, boolean c_r, boolean p, octetstring l3) := {
ab := {
addr := ts_LapdmAddr(sapi, c_r),
ctrl := ts_LapdmCtrlUI(p),
len := 0,
m := false,
el := 1,
payload := l3
}
}
template LapdmFrame tr_LAPDm_UI(template LapdmSapi sapi, template boolean c_r,
template boolean p, template octetstring l3) := {
ab := {
addr := tr_LapdmAddr(sapi, c_r),
ctrl := tr_LapdmCtrlUI(p),
len := ?,
m := false,
el := 1,
payload := l3
}
}
template LapdmFrame ts_LAPDm_B4_UI(LapdmSapi sapi, boolean c_r, boolean p, octetstring l3) := {
b4 := {
addr := ts_LapdmAddr(sapi, c_r),
ctrl := ts_LapdmCtrlUI(p),
payload := l3
}
}
template LapdmFrame tr_LAPDm_B4_UI(template LapdmSapi sapi, template boolean c_r,
template boolean p, template octetstring l3) := {
b4 := {
addr := tr_LapdmAddr(sapi, c_r),
ctrl := tr_LapdmCtrlUI(p),
payload := l3
}
}
} with { encode "RAW"; /*variant "FIELDORDER(msb)" */}

44
library/RSL_Types.ttcn
View File

@ -625,13 +625,19 @@ module RSL_Types {
RSL_IPA_Codec codec
}
/* 9.3.20 */
type enumerated RSL_IE_ReleaseMode {
RSL_REL_MODE_NORMAL ('00'B),
REL_REL_MODE_LOCAL ('01'B)
}
/* union of all IE bodies */
type union RSL_IE_Body {
RslChannelNr chan_nr,
RslLinkId link_id,
RSL_L16V l3_info,
RSL_LV rlm_cause,
uint8_t release_mode,
RSL_IE_ReleaseMode release_mode,
RSL_IE_ActivationType act_type,
RSL_IE_ChannelMode chan_mode,
uint8_t handover_ref,
@ -926,25 +932,38 @@ template RSL_Message tr_RSL_MsgTypeDR(template RSL_MessageType msg_type) modifie
tr_RSL_IE(RSL_IE_Body:{l3_info := tr_RSL_L16V(l3_info)})
}
}
template RSL_Message tr_RSL_EST_IND_NOL3(template RslChannelNr chan_nr, template RslLinkId link_id) :=
{
msg_disc := tr_RSL_MsgDisc(RSL_MDISC_RLL, false),
msg_type := RSL_MT_EST_IND,
ies := {
tr_RSL_IE(RSL_IE_Body:{chan_nr := chan_nr}),
tr_RSL_IE(RSL_IE_Body:{link_id := link_id})
}
}
/* 8.3.7 BSC -> BTS */
template (value) RSL_Message ts_RSL_REL_REQ(template (value) RslChannelNr chan_nr,
template (value) RslLinkId link_id) := {
template (value) RslLinkId link_id,
template (value) RSL_IE_ReleaseMode rel_mode := RSL_REL_MODE_NORMAL) := {
msg_disc := ts_RSL_MsgDisc(RSL_MDISC_RLL, false),
msg_type := RSL_MT_REL_REQ,
ies :={
t_RSL_IE(RSL_IE_CHAN_NR, RSL_IE_Body:{chan_nr := chan_nr}),
t_RSL_IE(RSL_IE_LINK_IDENT, RSL_IE_Body:{link_id := link_id})
t_RSL_IE(RSL_IE_LINK_IDENT, RSL_IE_Body:{link_id := link_id}),
t_RSL_IE(RSL_IE_RELEASE_MODE, RSL_IE_Body:{release_mode := rel_mode})
}
}
template RSL_Message tr_RSL_REL_REQ(template RslChannelNr chan_nr,
template RslLinkId link_id) := {
template RslLinkId link_id,
template RSL_IE_ReleaseMode rel_mode := ?) := {
msg_disc := tr_RSL_MsgDisc(RSL_MDISC_RLL, false),
msg_type := RSL_MT_REL_REQ,
ies :={
tr_RSL_IE(RSL_IE_Body:{chan_nr := chan_nr}),
tr_RSL_IE(RSL_IE_Body:{link_id := link_id}),
*
tr_RSL_IE(RSL_IE_Body:{release_mode := rel_mode})
}
}
@ -993,6 +1012,13 @@ template RSL_Message tr_RSL_MsgTypeDR(template RSL_MessageType msg_type) modifie
modifies ts_RSL_DATA_REQ := {
msg_type := RSL_MT_UNIT_DATA_REQ
}
template RSL_Message tr_RSL_UNITDATA_REQ(template RslChannelNr chan_nr,
template RslLinkId link_id,
template octetstring l3_info)
modifies tr_RSL_DATA_REQ := {
msg_type := RSL_MT_UNIT_DATA_REQ
}
/* 8.3.11 BTS -> BSC */
template (value) RSL_Message ts_RSL_UNITDATA_IND(template (value) RslChannelNr chan_nr,
@ -1001,6 +1027,14 @@ template RSL_Message tr_RSL_MsgTypeDR(template RSL_MessageType msg_type) modifie
modifies ts_RSL_DATA_IND := {
msg_type := RSL_MT_UNIT_DATA_IND
}
template RSL_Message tr_RSL_UNITDATA_IND(template RslChannelNr chan_nr,
template (value) RslLinkId link_id,
template octetstring l3_info)
modifies tr_RSL_DATA_IND := {
msg_type := RSL_MT_UNIT_DATA_IND
}
/* DEDICATED CANNEL MANAGEMENT MESSAGES */