ggsn: test Gy Volume-Quote-Threshold feature
Change-Id: If10171589e915db8e78278d2d802e38c66b37687
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@ -141,6 +141,7 @@ module GGSN_Tests {
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port DIAMETER_PT Gy_UNIT;
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port DIAMETEREM_PROC_PT Gy_PROC;
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var integer g_gy_validity_time := 0; /* In seconds. 0 => disabled, !0 => grant over CC-Time period */
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var integer g_gy_volume_threshold := 0; /* In octets. 0 => disabled, !0 => request IUT to revalidate after N octets */
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var PDU_DIAMETER g_rx_gy; /* Store last received Gy message */
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}
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@ -667,8 +668,13 @@ module GGSN_Tests {
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avp := f_DIAMETER_get_avp(g_rx_gy, c_AVP_Code_DCC_NONE_CC_Request_Number);
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req_num := valueof(avp.avp_data.avp_DCC_NONE_CC_Request_Number);
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if (g_gy_validity_time > 0) {
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tx_dia := ts_DIA_Gy_CCA_ValidityTime(g_rx_gy.hop_by_hop_id, g_rx_gy.end_to_end_id, sess_id,
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req_type, req_num, g_gy_validity_time);
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if (g_gy_volume_threshold > 0) {
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tx_dia := ts_DIA_Gy_CCA_ValidityTimeVolumeThreshold(g_rx_gy.hop_by_hop_id, g_rx_gy.end_to_end_id, sess_id,
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req_type, req_num, g_gy_validity_time, g_gy_volume_threshold);
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} else {
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tx_dia := ts_DIA_Gy_CCA_ValidityTime(g_rx_gy.hop_by_hop_id, g_rx_gy.end_to_end_id, sess_id,
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req_type, req_num, g_gy_validity_time);
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}
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} else {
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tx_dia := ts_DIA_Gy_CCA(g_rx_gy.hop_by_hop_id, g_rx_gy.end_to_end_id, sess_id,
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req_type, req_num);
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@ -812,14 +818,14 @@ module GGSN_Tests {
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const octetstring c_neigh_solicit:= '6000000000203afffe800000000000000000000000000002ff0200000000000000000001ff00000287009f9600000000fe80000000000000000000000000000201010288b51f2559'O;
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/* template for sending an ICMPv4 echo request */
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template PDU_ICMP ts_ICMPv4_ERQ := {
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template PDU_ICMP ts_ICMPv4_ERQ(octetstring data := ''O) := {
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echo := {
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type_field := 8,
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code := 0,
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checksum := '0000'O,
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identifier := '0345'O,
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sequence_number := '0001'O,
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data := ''O
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data := data
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}
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}
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@ -1112,8 +1118,8 @@ module GGSN_Tests {
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}
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/* Send an ICMPv4 echo msg through GTP given pdp ctx, and ip src and dst addr */
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function f_gen_icmpv4_echo(OCT4 saddr, OCT4 daddr) return octetstring {
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var octetstring tmp := f_enc_PDU_ICMP(valueof(ts_ICMPv4_ERQ));
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function f_gen_icmpv4_echo(OCT4 saddr, OCT4 daddr, octetstring pl := ''O) return octetstring {
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var octetstring tmp := f_enc_PDU_ICMP(valueof(ts_ICMPv4_ERQ(pl)));
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var IPv4_packet ip4 := valueof(ts_IP4(saddr, daddr, 1, 50, tmp));
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var octetstring data := f_IPv4_enc(ip4);
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var OCT2 cksum := f_IPv4_checksum(data);
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@ -2429,6 +2435,60 @@ module GGSN_Tests {
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f_shutdown_helper();
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}
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/* Test Volume-Quota-Thresold AVP triggers request before Validity-Time */
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testcase TC_gy_charging_volume_quota_threshold() runs on GT_CT {
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var default d;
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timer Tout;
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g_gy_volume_threshold := 1000; /* Will make a trigger when we send bigger payload below */
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g_gy_validity_time := 8; /* Grant access for 8 seconds, needs to be re-validated afterwards */
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f_init();
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var float tout_sec := int2float(g_gy_validity_time) / 2.0;
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var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), "1234", c_ApnInternet, valueof(t_EuaIPv4Dyn)));
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ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT);
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f_pdp_ctx_act(ctx);
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var OCT4 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '000d'O);
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T_default.start(40.0);
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d := activate(pingpong());
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/* Send some UL traffic: */
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var octetstring payload := f_rnd_octstring(1200);
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var OCT4 saddr := ctx.eua.endUserAddress.endUserAddressIPv4.ipv4_address;
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f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr, dns1_addr, payload));
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f_wait_icmp4_echo_reply(ctx);
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/* ICMP Req generates one report: */
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Tout.start(tout_sec);
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alt {
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[] as_DIA_Gy_CCR(ctx, UPDATE_REQUEST);
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[] Tout.timeout {
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Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
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"TImeout waiting for Gy UPDATE triggered by Volume-Quota-Threshold");
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}
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}
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f_validate_gy_cc_report(g_rx_gy, THRESHOLD, (0..6), 0, (1200..1400));
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/* ICMP Resp (echo back) generates one report: */
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as_DIA_Gy_CCR(ctx, UPDATE_REQUEST);
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f_validate_gy_cc_report(g_rx_gy, THRESHOLD, (0..1), (1200..1400), 0);
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/* Second update: 0 ul/dl pkt/octet should be reported, since nothing was sent */
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as_DIA_Gy_CCR(ctx, UPDATE_REQUEST);
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f_validate_gy_cc_report(g_rx_gy, VALIDITY_TIME, (8..9), 0, 0);
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/* Let the CCA reach the GGSN */
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f_sleep(0.5);
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deactivate(d);
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T_default.stop;
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f_pdp_ctx_del(ctx, '1'B);
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f_validate_gy_cc_report(g_rx_gy, FINAL, (0..2), 0, 0);
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f_shutdown_helper();
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}
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control {
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execute(TC_pdp4_act_deact());
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execute(TC_pdp4_act_deact_ipcp());
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@ -2479,6 +2539,7 @@ module GGSN_Tests {
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/* open5gs specific tests: */
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if (m_ggsn_impl == GGSN_IMPL_OPEN5GS) {
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execute(TC_gy_charging_cc_time());
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execute(TC_gy_charging_volume_quota_threshold());
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}
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}
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}
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@ -1195,6 +1195,15 @@ template (value) GenericAVP ts_AVP_Validity_Time(uint32_t validity_time_val) :=
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}
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}
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template (value) GenericAVP ts_AVP_3GPP_VolumeQuotaThreshold(uint32_t volume_quota_thresh_val) := {
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avp := {
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avp_header := ts_DIA_Hdr_3GPP(c_AVP_Code_DCA_3GPP_Volume_Quota_Threshold),
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avp_data := {
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avp_DCA_3GPP_Volume_Quota_Threshold := int2oct(volume_quota_thresh_val, 4)
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}
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}
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}
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template (present) GenericAVP tr_AVP_3GPP_CalledStationId(template (present) DNAS_NONE_Called_Station_Id id := ?) := {
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avp := {
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avp_header := tr_DIA_Hdr(c_AVP_Code_DNAS_NONE_Called_Station_Id),
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@ -1541,6 +1550,36 @@ ts_DIA_Gy_CCA_ValidityTime(template (value) UINT32 hbh_id, template (value) UINT
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// supported features
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// origin
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});
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/* Same as ts_DIA_Gy_CCA_ValidityTime, but with extra AVP to grant access for limited amount of octets */
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template (value) PDU_DIAMETER
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ts_DIA_Gy_CCA_ValidityTimeVolumeThreshold(template (value) UINT32 hbh_id, template (value) UINT32 ete_id,
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template (value) octetstring sess_id,
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template (value) DCC_NONE_CC_Request_Type req_type,
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template (value) AVP_Unsigned32 req_num,
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uint32_t validity_time, uint32_t volume_threhsold)
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:= ts_DIAMETER(flags:='01000000'B, cmd_code:=Credit_Control,
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app_id:=int2oct(c_DIAMETER_CREDIT_CONTROL_AID, 4), hbh_id:=hbh_id, ete_id:=ete_id,
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avps := {
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ts_AVP_SessionId(sess_id),
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ts_AVP_ResultCode(DIAMETER_SUCCESS),
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ts_AVP_OriginHost("ocs.localdomain"),
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ts_AVP_OriginRealm("localdomain"),
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ts_AVP_AuthAppId(int2oct(c_DIAMETER_CREDIT_CONTROL_AID, 4)),
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ts_AVP_CcReqType(req_type),
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ts_AVP_CcReqNum(req_num),
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ts_AVP_Multiple_Services_Credit_Control({
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ts_AVP_Validity_Time(validity_time),
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ts_AVP_Granted_Service_Unit({
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ts_AVP_CC_Total_Octets(volume_threhsold*100)
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}),
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ts_AVP_3GPP_VolumeQuotaThreshold(volume_threhsold)
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})
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//,
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// qos
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// default eps bearer qos
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// supported features
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// origin
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});
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/* RFC 6733, section 5.5.1 "Device-Watchdog-Request" */
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template (value) PDU_DIAMETER
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