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Harald Welte gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/6545 sgsn: Use random TLLI when performing ATTACH Change-Id: If104add9a6d029b674e46e01af71f2e336aa35f0 --- M library/L3_Common.ttcn M sgsn/SGSN_Tests.ttcn 2 files changed, 40 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/45/6545/1 diff --git a/library/L3_Common.ttcn b/library/L3_Common.ttcn index 69ab51d..a7c2eb2 100644 --- a/library/L3_Common.ttcn +++ b/library/L3_Common.ttcn @@ -27,6 +27,45 @@ return vec; } +/* 3GPP TS 23.003 2.6 */ +type enumerated TlliType { + TLLI_LOCAL, + TLLI_FOREIGN, + TLLI_RANDOM, + TLLI_AUXILIARY, + TLLI_RESERVED, + TLLI_G_RNTI, + TLLI_RAND_G_RNTI +} + +/* 3GPP TS 23.003 2.6 */ +function f_gprs_tlli_type(OCT4 tlli) return TlliType { + var bitstring tllib := oct2bit(tlli); + if (substr(tllib, 0, 2) == '11'B) { + return TLLI_LOCAL; + } else if (substr(tllib, 0, 2) == '10'B) { + return TLLI_FOREIGN; + } else if (substr(tllib, 0, 5) == '01111'B) { + return TLLI_RANDOM; + } else if (substr(tllib, 0, 4) == '0110'B) { + return TLLI_RESERVED; + } else if (substr(tllib, 0, 3) == '010'B) { + return TLLI_RESERVED; + } else if (substr(tllib, 0, 4) == '0000'B) { + return TLLI_G_RNTI; + } else if (substr(tllib, 0, 4) == '0001'B) { + return TLLI_RAND_G_RNTI; + } else { + setverdict(fail, "Unknonw TLLI Type ", tllib); + self.stop; + } +} + +function f_gprs_tlli_random() return OCT4 { + var OCT4 tlli := f_rnd_octstring(4); + return tlli or4b 'c0000000'O; +} + } diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn index 236c0fb..97b7f09 100644 --- a/sgsn/SGSN_Tests.ttcn +++ b/sgsn/SGSN_Tests.ttcn @@ -149,7 +149,7 @@ imsi := f_gen_imsi(imsi_suffix), msisdn := f_gen_msisdn(imsi_suffix), p_tmsi := omit, - tlli := 'FFFFFFFF'O, + tlli := f_gprs_tlli_random(), ra := omit, bssgp_cell_id := gb.cfg.cell_id, vec := omit, -- To view, visit https://gerrit.osmocom.org/6545 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: If104add9a6d029b674e46e01af71f2e336aa35f0 Gerrit-PatchSet: 1 Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Owner: Harald Welte <laforge at gnumonks.org>