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osmo-ttcn3-hacks
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BSSMAP_Templates: Add templates for various PAGING options

This commit is contained in:
Harald Welte 2017-12-11 19:50:14 +01:00
parent 51d74101b8
commit 72cecfa26c
2 changed files with 61 additions and 5 deletions
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62
library/BSSMAP_Templates.ttcn
View File

@ -2,6 +2,7 @@ module BSSMAP_Templates {
import from General_Types all;
import from Osmocom_Types all;
import from GSM_Types all;
import from BSSAP_Types all;
type integer BssmapCause;
@ -443,17 +444,68 @@ template BSSMAP_IE_IMSI ts_BSSMAP_Imsi(hexstring imsi_digits) := {
digits := imsi_digits
}
template PDU_BSSAP ts_BSSMAP_Paging(hexstring imsi_digits, BSSMAP_FIELD_CellIdentificationList cid_list,
template integer tmsi := omit)
template BSSMAP_FIELD_CellIdentificationList ts_BSSMAP_CIL_noCell := {
cIl_noCell := ''O
}
private function f_enc_mcc_mnc(GsmMcc mcc, GsmMnc mnc) return OCT3 {
return hex2oct(mcc[1] & mcc[0] & mnc[0] & mnc[3] & mnc[2]);
}
template BSSMAP_FIELD_CellIdentification_CGI ts_BSSMAP_CI_CGI(GsmMcc mcc, GsmMnc mnc, GsmLac lac, GsmCellId ci) := {
mcc_mnc := f_enc_mcc_mnc(mcc, mnc),
lac := int2oct(lac, 2),
ci := int2oct(ci, 2)
}
template BSSMAP_FIELD_CellIdentification_LAC_CI ts_BSSMAP_CI_LAC_CI(GsmLac lac, GsmCellId ci) := {
lac := int2oct(lac, 2),
ci := int2oct(ci, 2)
}
template BSSMAP_FIELD_CellIdentification_LAI ts_BSSMAP_CI_LAI(GsmMcc mcc, GsmMnc mnc, GsmLac lac) := {
mcc_mnc := f_enc_mcc_mnc(mcc, mnc),
lac := int2oct(lac, 2)
}
template OCT2 ts_BSSMAP_CI_CI(GsmCellId ci) := int2oct(ci, 2);
template OCT2 ts_BSSMAP_CI_LAC(GsmLac lac) := int2oct(lac, 2);
template BSSMAP_IE_ChannelNeeded ts_BSSMAP_IE_ChanNeeded(BIT2 chneed) := {
elementIdentifier := '24'O,
channel := chneed,
spare := '000000'B
}
template BSSMAP_IE_TMSI ts_BSSMAP_IE_TMSI(OCT4 tmsi) := {
elementIdentifier := '09'O,
lengthIndicator := 4,
tmsiOctets := tmsi
};
private function f_tmsi_or_omit(template OCT4 tmsi) return template BSSMAP_IE_TMSI {
var template BSSMAP_IE_TMSI ret;
if (ispresent(tmsi)) {
ret := ts_BSSMAP_IE_TMSI(valueof(tmsi));
} else {
ret := omit;
}
return ret;
}
template PDU_BSSAP ts_BSSMAP_Paging(hexstring imsi_digits,
template BSSMAP_FIELD_CellIdentificationList cid_list,
template OCT4 tmsi := omit,
template BSSMAP_IE_ChannelNeeded chneed := omit)
modifies ts_BSSAP_BSSMAP := {
pdu := {
bssmap := {
paging := {
messageType := '51'O,
iMSI := ts_BSSMAP_Imsi(imsi_digits),
tMSI := omit, // FIXME: convert tmsi,
cellIdentifierList := ts_BSSMAP_IE_CidList(cid_list),
channelNeeded := omit,
tMSI := f_tmsi_or_omit(tmsi),
cellIdentifierList := ts_BSSMAP_IE_CidList(valueof(cid_list)),
channelNeeded := chneed,
eMLPP_Priority := omit,
pagingInformation := omit /* only VGCS/VBS flag */
}

4
library/GSM_Types.ttcn
View File

@ -17,6 +17,10 @@ module GSM_Types {
type integer GsmTsc (0..7) with { variant "FIELDLENGTH(8)" };
type uint32_t GsmTmsi;
type uint32_t GprsTlli;
type hexstring GsmMcc length(3);
type hexstring GsmMnc length(2 .. 3);
type uint16_t GsmLac;
type uint16_t GsmCellId;
type enumerated GprsCodingScheme {
CS1, CS2, CS3, CS4