February 2024 - gerrit-log - lists.osmocom.org

[M] Change in ...osmo-epdg[master]: Make PDP-Type and APN from GSUP AuthInfoReq available through all layers

by pespin

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/erlang/osmo-epdg/+/35901?usp=email ) Change subject: Make PDP-Type and APN from GSUP AuthInfoReq available through all layers ...................................................................... Make PDP-Type and APN from GSUP AuthInfoReq available through all layers Change-Id: I3f29b00f57f433f8623b9f0a5048c83985e5cced --- M src/aaa_diameter_swm.erl M src/aaa_diameter_swx.erl M src/aaa_ue_fsm.erl M src/epdg_diameter_swm.erl M src/epdg_ue_fsm.erl M src/gsup_server.erl 6 files changed, 72 insertions(+), 30 deletions(-) git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-epdg refs/changes/01/35901/1 diff --git a/src/aaa_diameter_swm.erl b/src/aaa_diameter_swm.erl index ee3a8cb..7fdc247 100644 --- a/src/aaa_diameter_swm.erl +++ b/src/aaa_diameter_swm.erl @@ -20,7 +20,7 @@ -export([init/1, handle_call/3, handle_cast/2, handle_info/2]). -export([code_change/3, terminate/2]). --export([auth_request/1, auth_compl_request/2, session_termination_request/1]). +-export([auth_request/3, auth_compl_request/2, session_termination_request/1]). -export([auth_response/2, auth_compl_response/2, session_termination_answer/2]). -define(SERVER, ?MODULE). @@ -47,8 +47,8 @@ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Rx from emulated SWm wire: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -auth_request(Imsi) -> - gen_server:cast(?SERVER, {epdg_auth_req, Imsi}). +auth_request(Imsi, PdpTypeNr, Apn) -> + gen_server:cast(?SERVER, {epdg_auth_req, Imsi, PdpTypeNr, Apn}). auth_compl_request(Imsi, Apn) -> gen_server:cast(?SERVER, {epdg_auth_compl_req, Imsi, Apn}). @@ -56,9 +56,9 @@ session_termination_request(Imsi) -> gen_server:cast(?SERVER, {str, Imsi}). -handle_cast({epdg_auth_req, Imsi}, State0) -> +handle_cast({epdg_auth_req, Imsi, PdpTypeNr, Apn}, State0) -> {Sess, State1} = find_or_new_swm_session(Imsi, State0), - aaa_ue_fsm:ev_swm_auth_req(Sess#swm_session.pid), + aaa_ue_fsm:ev_swm_auth_req(Sess#swm_session.pid, {PdpTypeNr, Apn}), {noreply, State1}; handle_cast({epdg_auth_compl_req, Imsi, Apn}, State) -> diff --git a/src/aaa_diameter_swx.erl b/src/aaa_diameter_swx.erl index 1db5809..6b8523c 100644 --- a/src/aaa_diameter_swx.erl +++ b/src/aaa_diameter_swx.erl @@ -49,7 +49,7 @@ %% gen_server Function Exports -export([init/1, handle_call/3, handle_cast/2, handle_info/2]). -export([code_change/3]). --export([multimedia_auth_request/6]). +-export([multimedia_auth_request/7]). -export([server_assignment_request/3]). -export([test/0, test/1]). @@ -136,11 +136,11 @@ test("001011234567890"). test(IMSI) -> - multimedia_auth_request(IMSI, 3, "EAP-AKA", 1, [], []). + multimedia_auth_request(IMSI, 3, "EAP-AKA", 1, [], [], 33). -multimedia_auth_request(IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey) -> +multimedia_auth_request(IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey, PdpTypeNr) -> gen_server:call(?SERVER, - {mar, {IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey}}). + {mar, {IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey, PdpTypeNr}}). % APN is optional and should be [] server_assignment_request(IMSI, Type, APN) -> gen_server:call(?SERVER, @@ -181,8 +181,28 @@ parse_saa(Saa) -> {unknown_err, []}. -handle_call({mar, {IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey}}, {Pid, _Tag} = _From, State) -> +handle_call({mar, {IMSI, NumAuthItems, AuthScheme, RAT, CKey, IntegrityKey, PdpTypeNr}}, {Pid, _Tag} = _From, State) -> SessionId = diameter:session_id(application:get_env(?ENV_APP_NAME, origin_host, ?ENV_DEFAULT_ORIG_HOST)), + % RFC 4005 6.11.1 Framed-IP-Address AVP: + % "0xFFFFFFFE indicates that the NAS should select an address for the user + % (e.g., assigned from a pool of addresses kept by the NAS)." + %Ipv4Dyn = 16#FFFFFFFE, + case PdpTypeNr of + % FIXME: For some reason encoding when not empty fails... + %16#21 -> + % IPv4Opt = <<Ipv4Dyn:32>>, + % IPv6Opt = []; + %16#57 -> + % IPv4Opt = [], + % IPv6Opt = <<>>; + %16#8d -> + % IPv4Opt = <<Ipv4Dyn:32>>, + % IPv6Opt = <<>>; + _ -> + IPv4Opt = [], + IPv6Opt = [] + end, + lager:debug("Swx MAR: IPv4Opt=~p IPv6Opt=~p~n", [IPv4Opt, IPv6Opt]),% MAR = #'MAR'{'Vendor-Specific-Application-Id' = #'Vendor-Specific-Application-Id'{ 'Vendor-Id' = ?VENDOR_ID_3GPP, 'Auth-Application-Id' = [?DIAMETER_APP_ID_SWX]}, @@ -192,7 +212,10 @@ 'SIP-Auth-Data-Item' = #'SIP-Auth-Data-Item'{ 'SIP-Authentication-Scheme' = [AuthScheme], 'Confidentiality-Key' = CKey, - 'Integrity-Key' = IntegrityKey}, + 'Integrity-Key' = IntegrityKey, + 'Framed-IP-Address' = IPv4Opt, + 'Framed-IPv6-Prefix' = IPv6Opt + }, 'SIP-Number-Auth-Items' = NumAuthItems, 'RAT-Type' = RAT }, diff --git a/src/aaa_ue_fsm.erl b/src/aaa_ue_fsm.erl index 5cdb553..e982d57 100644 --- a/src/aaa_ue_fsm.erl +++ b/src/aaa_ue_fsm.erl @@ -41,7 +41,7 @@ -export([start_link/1]). -export([init/1,callback_mode/0,terminate/3]). -export([get_server_name_by_imsi/1, get_pid_by_imsi/1]). --export([ev_swm_auth_req/1, ev_swm_auth_compl/2, ev_rx_swm_str/1, ev_rx_swx_maa/2, ev_rx_swx_saa/2, +-export([ev_swm_auth_req/2, ev_swm_auth_compl/2, ev_rx_swm_str/1, ev_rx_swx_maa/2, ev_rx_swx_saa/2, ev_rx_s6b_aar/2, ev_rx_s6b_str/1]). -export([state_new/3, state_wait_swx_maa/3, state_wait_swx_saa/3, state_authenticated/3, state_authenticated_wait_swx_saa/3]). @@ -66,10 +66,10 @@ lager:info("ue_fsm start_link(~p)~n", [ServerName]), gen_statem:start_link({local, ServerName}, ?MODULE, Imsi, [{debug, [trace]}]). -ev_swm_auth_req(Pid) -> +ev_swm_auth_req(Pid, {PdpTypeNr, Apn}) -> lager:info("ue_fsm ev_swm_auth_req~n", []), try - gen_statem:call(Pid, swm_auth_req) + gen_statem:call(Pid, {swm_auth_req, PdpTypeNr, Apn}) catch exit:Err -> {error, Err} @@ -152,12 +152,12 @@ state_new(enter, _OldState, Data) -> {keep_state, Data}; -state_new({call, From}, swm_auth_req, Data) -> - lager:info("ue_fsm state_new event=swm_auth_req, ~p~n", [Data]), +state_new({call, From}, {swm_auth_req, PdpTypeNr, Apn}, Data) -> + lager:info("ue_fsm state_new event=swm_auth_req {~p, ~p}, ~p~n", [PdpTypeNr, Apn, Data]), % request the diameter code for a tuple CKey = [], IntegrityKey = [], - case aaa_diameter_swx:multimedia_auth_request(Data#ue_fsm_data.imsi, 1, "EAP-AKA", 1, CKey, IntegrityKey) of + case aaa_diameter_swx:multimedia_auth_request(Data#ue_fsm_data.imsi, 1, "EAP-AKA", 1, CKey, IntegrityKey, PdpTypeNr) of ok -> {next_state, state_wait_swx_maa, Data, [{reply,From,ok}]}; {error, Err} -> {keep_state, Data, [{reply,From,{error, Err}}]} end; diff --git a/src/epdg_diameter_swm.erl b/src/epdg_diameter_swm.erl index 800df44..9b010d9 100644 --- a/src/epdg_diameter_swm.erl +++ b/src/epdg_diameter_swm.erl @@ -19,7 +19,7 @@ -export([init/1, handle_call/3, handle_cast/2, handle_info/2]). -export([code_change/3, terminate/2]). --export([auth_request/1, auth_compl_request/2, session_termination_request/1]). +-export([auth_request/3, auth_compl_request/2, session_termination_request/1]). -export([auth_response/2, auth_compl_response/2, session_termination_answer/2]). -define(SERVER, ?MODULE). @@ -33,10 +33,13 @@ {ok, #swm_state{}}. -auth_request(Imsi) -> +auth_request(Imsi, PdpTypeNr, Apn) -> % In Diameter we use Imsi as strings, as done by diameter module. ImsiStr = binary_to_list(Imsi), - Result = gen_server:call(?SERVER, {epdg_auth_req, ImsiStr}), + % epdg_auth_req: Swm Diameter message Diameter-EAP-Request 3GPP TS 29.273 7.2.2.1.1 + % PdpTypeNr: SWm Diameter AVP "UE-Local-IP-Address" + % Apn: SWm Diameter AVP "Service-Selection" + Result = gen_server:call(?SERVER, {epdg_auth_req, ImsiStr, PdpTypeNr, Apn}), case Result of {ok, _Mar} -> epdg_ue_fsm:received_swm_auth_response(self(), Result), @@ -68,10 +71,10 @@ _ -> Result end. -handle_call({epdg_auth_req, Imsi}, {Pid, _Tag} = _From, State0) -> +handle_call({epdg_auth_req, Imsi, PdpTypeNr, Apn}, {Pid, _Tag} = _From, State0) -> % we yet don't implement the Diameter SWm interface on the wire, we process the call internally: {_Sess, State1} = find_or_new_swm_session(Imsi, Pid, State0), - ok = aaa_diameter_swm:auth_request(Imsi), + ok = aaa_diameter_swm:auth_request(Imsi, PdpTypeNr, Apn), {reply, ok, State1}; handle_call({epdg_auth_compl_req, Imsi, Apn}, _From, State) -> diff --git a/src/epdg_ue_fsm.erl b/src/epdg_ue_fsm.erl index 711f695..9221c79 100644 --- a/src/epdg_ue_fsm.erl +++ b/src/epdg_ue_fsm.erl @@ -40,7 +40,7 @@ -export([start_link/1, stop/1]). -export([init/1,callback_mode/0,terminate/3]). -export([get_server_name_by_imsi/1, get_pid_by_imsi/1]). --export([auth_request/1, lu_request/1, tunnel_request/1, purge_ms_request/1]). +-export([auth_request/2, lu_request/1, tunnel_request/1, purge_ms_request/1]). -export([received_swm_auth_response/2, received_swm_auth_compl_response/2, received_swm_session_termination_answer/2]). -export([received_gtpc_create_session_response/2, received_gtpc_delete_session_response/2, received_gtpc_delete_bearer_request/1]). -export([state_new/3, state_wait_auth_resp/3, state_authenticating/3, state_authenticated/3, @@ -69,10 +69,10 @@ stop(SrvRef) -> gen_statem:stop(SrvRef). -auth_request(Pid) -> +auth_request(Pid, {PdpTypeNr, Apn}) -> lager:info("ue_fsm auth_request~n", []), try - gen_statem:call(Pid, auth_request) + gen_statem:call(Pid, {auth_request, PdpTypeNr, Apn}) catch exit:Err -> {error, Err} @@ -183,9 +183,9 @@ state_new(enter, _OldState, Data) -> {keep_state, Data}; -state_new({call, From}, auth_request, Data) -> - lager:info("ue_fsm state_new event=auth_request, ~p~n", [Data]), - case epdg_diameter_swm:auth_request(Data#ue_fsm_data.imsi) of +state_new({call, From}, {auth_request, PdpTypeNr, Apn}, Data) -> + lager:info("ue_fsm state_new event=auth_request {~p, ~p}, ~p~n", [PdpTypeNr, Apn, Data]), + case epdg_diameter_swm:auth_request(Data#ue_fsm_data.imsi, PdpTypeNr, Apn) of ok -> {next_state, state_wait_auth_resp, Data, [{reply,From,ok}]}; {error, Err} -> {stop_and_reply, Err, Data, [{reply,From,{error,Err}}]} end; diff --git a/src/gsup_server.erl b/src/gsup_server.erl index 8a070bf..799d6df 100644 --- a/src/gsup_server.erl +++ b/src/gsup_server.erl @@ -231,9 +231,16 @@ {noreply, S#gsups_state{socket=Socket}}; % send auth info / requesting authentication tuples -handle_info({ipa, Socket, ?IPAC_PROTO_EXT_GSUP, _GsupMsgRx = #{message_type := send_auth_info_req, imsi := Imsi}}, State0) -> +handle_info({ipa, Socket, ?IPAC_PROTO_EXT_GSUP, GsupMsgRx = #{message_type := send_auth_info_req, imsi := Imsi}}, State0) -> + #{pdp_info_list := [PdpInfo]} = GsupMsgRx, + #{pdp_context_id := _PDPCtxId, + pdp_address := #{address := #{}, + pdp_type_nr := PdpTypeNr, + pdp_type_org := 241}, + access_point_name := Apn + } = PdpInfo, {UE, State1} = find_or_new_gsups_ue(Imsi, State0), - case epdg_ue_fsm:auth_request(UE#gsups_ue.pid) of + case epdg_ue_fsm:auth_request(UE#gsups_ue.pid, {PdpTypeNr, Apn}) of ok -> State2 = State1; {error, Err} -> lager:error("Auth Req for Imsi ~p failed: ~p~n", [Imsi, Err]), -- To view, visit https://gerrit.osmocom.org/c/erlang/osmo-epdg/+/35901?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: erlang/osmo-epdg Gerrit-Branch: master Gerrit-Change-Id: I3f29b00f57f433f8623b9f0a5048c83985e5cced Gerrit-Change-Number: 35901 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: newchange

1 year, 5 months

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[S] Change in osmo-ttcn3-hacks[master]: epdg: Add PDP-Info IE to GSUP Auth Info Req

by pespin

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35900?usp=email ) Change subject: epdg: Add PDP-Info IE to GSUP Auth Info Req ...................................................................... epdg: Add PDP-Info IE to GSUP Auth Info Req Strongswan already has this information during first IKE_AUTH message, see 3GPP TS 24.302 7.2.2.1. Change-Id: I42e4dc4bbcef969aae5867dbb103f8a5db157c89 --- M epdg/EPDG_Tests.ttcn M epdg/gen_links.sh M library/GSUP_Templates.ttcn 3 files changed, 31 insertions(+), 7 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/00/35900/1 diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn index 14bb060..aceedd4 100644 --- a/epdg/EPDG_Tests.ttcn +++ b/epdg/EPDG_Tests.ttcn @@ -5,6 +5,7 @@ import from Native_Functions all; import from Osmocom_Types all; import from L3_Common all; +import from DNS_Helpers all; import from IPA_Emulation all; import from GSUP_Types all; @@ -552,13 +553,17 @@ /* GSUP AuthInfo Req + Resp, triggers SWx MAR + MAA. */ private function f_GSUP_AI_success() runs on EPDG_ConnHdlr { var GSUP_PDU rx_gsup; - var template (present) GSUP_IE auth_tuple_ie := tr_GSUP_IE_AuthTuple3G(g_pars.vec.rand, - g_pars.vec.ik, - g_pars.vec.ck, - g_pars.vec.autn, - g_pars.vec.rand & g_pars.vec.auts); - - GSUP.send(ts_GSUP_SAI_REQ(g_pars.imsi)); + var template (present) GSUP_IE auth_tuple_ie; + var template (value) GSUP_IEs pdp_info; + auth_tuple_ie := tr_GSUP_IE_AuthTuple3G(g_pars.vec.rand, + g_pars.vec.ik, + g_pars.vec.ck, + g_pars.vec.autn, + g_pars.vec.rand & g_pars.vec.auts); + pdp_info := { ts_GSUP_IE_PDP_CONTEXT_ID('00'O), + ts_GSUP_IE_PDP_ADDRESS(ts_EuaIPv4Dyn), + ts_GSUP_IE_APN(f_enc_dns_hostname(g_pars.apn)) }; + GSUP.send(ts_GSUP_SAI_REQ_PDP_INFO(g_pars.imsi, pdp_info)); as_DIA_SWx_MA_success(); /* Expect a positive response back to the translator; expect AIA */ alt { diff --git a/epdg/gen_links.sh b/epdg/gen_links.sh index 82a0785..c8eadc8 100755 --- a/epdg/gen_links.sh +++ b/epdg/gen_links.sh @@ -41,6 +41,7 @@ FILES="Misc_Helpers.ttcn General_Types.ttcn GSM_Types.ttcn Osmocom_Types.ttcn Native_Functions.ttcn Native_FunctionDefs.cc " FILES+="Osmocom_CTRL_Types.ttcn " FILES+="L3_Common.ttcn " +FILES+="DNS_Helpers.ttcn " FILES+="DIAMETER_Types.ttcn DIAMETER_CodecPort.ttcn DIAMETER_CodecPort_CtrlFunct.ttcn DIAMETER_CodecPort_CtrlFunctDef.cc DIAMETER_Emulation.ttcn " FILES+="DIAMETER_Templates.ttcn DIAMETER_rfc5447_Templates.ttcn DIAMETER_ts29_273_Templates.ttcn " FILES+="IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc diff --git a/library/GSUP_Templates.ttcn b/library/GSUP_Templates.ttcn index 3a616a6..05b8295 100644 --- a/library/GSUP_Templates.ttcn +++ b/library/GSUP_Templates.ttcn @@ -324,6 +324,12 @@ valueof(ts_GSUP_IE_NUM_VECTORS_REQ(num_auth_vectors)) }); +template (value) GSUP_PDU ts_GSUP_SAI_REQ_PDP_INFO(hexstring imsi, template (value) GSUP_IEs pdp_info) := + ts_GSUP(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, { + valueof(ts_GSUP_IE_IMSI(imsi)), + valueof(ts_GSUP_IE_PdpInfo_ie(pdp_info)) + }); + template GSUP_PDU tr_GSUP_SAI_REQ(template hexstring imsi) := tr_GSUP_IMSI(OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST, imsi); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35900?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I42e4dc4bbcef969aae5867dbb103f8a5db157c89 Gerrit-Change-Number: 35900 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: newchange

1 year, 5 months

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[S] Change in osmo-ttcn3-hacks[master]: epdg: Avoid tx PurgeMS before doing handover in TC_ho_wifi_to_lte

by pespin

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35866?usp=email ) Change subject: epdg: Avoid tx PurgeMS before doing handover in TC_ho_wifi_to_lte ...................................................................... epdg: Avoid tx PurgeMS before doing handover in TC_ho_wifi_to_lte Change-Id: Ic6db92c79e055bc98d502620930ab36e9a4fd4fd --- M epdg/EPDG_Tests.ttcn 1 file changed, 15 insertions(+), 2 deletions(-) Approvals: laforge: Looks good to me, but someone else must approve Jenkins Builder: Verified pespin: Looks good to me, approved diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn index 82a2375..becf2e9 100644 --- a/epdg/EPDG_Tests.ttcn +++ b/epdg/EPDG_Tests.ttcn @@ -585,10 +585,14 @@ setverdict(pass); } -private function f_TC_authinfo_normal(charstring id) runs on EPDG_ConnHdlr { +private function f_initial_attach() runs on EPDG_ConnHdlr { f_GSUP_AI_success(); f_GSUP_LU_success(); f_GSUP_EPDGTunnel_success(); +} + +private function f_TC_authinfo_normal(charstring id) runs on EPDG_ConnHdlr { + f_initial_attach(); f_GSUP_PurgeMS_success(); } @@ -602,7 +606,7 @@ } private function f_TC_ho_wifi_to_lte(charstring id) runs on EPDG_ConnHdlr { - f_TC_authinfo_normal(id); + f_initial_attach(); /* Whenever UE goes back to 3GPP, PGW will notify ePDG with a Delete Bearer Request * cause="Access changed from non-3gpp to 3gpp" */ f_GTP2C_DeleteBearer_success(); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35866?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ic6db92c79e055bc98d502620930ab36e9a4fd4fd Gerrit-Change-Number: 35866 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: merged

1 year, 5 months

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[S] Change in osmo-ttcn3-hacks[master]: epdg: Expect GSUP CancelLocationReq as consequence of DeleteBearerReq

by pespin

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35883?usp=email ) Change subject: epdg: Expect GSUP CancelLocationReq as consequence of DeleteBearerReq ...................................................................... epdg: Expect GSUP CancelLocationReq as consequence of DeleteBearerReq Change-Id: Ibc37a9ef53315edab18f7b97a55cf504a40a4bf1 --- M epdg/EPDG_Tests.ttcn M library/GSUP_Templates.ttcn 2 files changed, 46 insertions(+), 1 deletion(-) Approvals: pespin: Looks good to me, approved Jenkins Builder: Verified diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn index becf2e9..e5cdafd 100644 --- a/epdg/EPDG_Tests.ttcn +++ b/epdg/EPDG_Tests.ttcn @@ -504,6 +504,7 @@ private function f_GTP2C_DeleteBearer_success() runs on EPDG_ConnHdlr { var integer proc_trans_id := 3; GTP2.send(ts_GTP2C_DeleteBearerReq(g_pars.teic_remote, proc_trans_id, g_pars.bearer.ebi, Access_changed_from_Non_3GPP_to_3GPP)); + as_GSUP_CancelLocation_success(); as_GTP2C_DeleteBearer_success(); } @@ -585,6 +586,18 @@ setverdict(pass); } +/* Expect CancelLocationReq */ +private altstep as_GSUP_CancelLocation_success() runs on EPDG_ConnHdlr { + var GSUP_PDU rx_gsup; + + [] GSUP.receive(tr_GSUP_CL_REQ(g_pars.imsi)) -> value rx_gsup { + GSUP.send(ts_GSUP_CL_RES(g_pars.imsi)); + } + [] GSUP.receive(GSUP_PDU:?) -> value rx_gsup { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected GSUP msg rx: ", rx_gsup)); + } +} + private function f_initial_attach() runs on EPDG_ConnHdlr { f_GSUP_AI_success(); f_GSUP_LU_success(); diff --git a/library/GSUP_Templates.ttcn b/library/GSUP_Templates.ttcn index 291b59a..3a616a6 100644 --- a/library/GSUP_Templates.ttcn +++ b/library/GSUP_Templates.ttcn @@ -403,6 +403,14 @@ template GSUP_PDU tr_GSUP_AUTH_FAIL_IND(hexstring imsi) := tr_GSUP_IMSI(OSMO_GSUP_MSGT_AUTH_FAIL_REPORT, imsi); +template (present) GSUP_PDU tr_GSUP_CL_REQ(template (present) hexstring imsi := ?, + template GSUP_CnDomain dom := omit, + template GSUP_CancelType ctype := omit) := + tr_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST, + f_gen_tr_ies(imsi, + cancel_type := ctype, + cn_domain := dom)); + template (value) GSUP_PDU ts_GSUP_CL_REQ(hexstring imsi, GSUP_CancelType ctype) := ts_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST, { valueof(ts_GSUP_IE_IMSI(imsi)), valueof(ts_GSUP_IE_CancelType(ctype)) }); @@ -410,6 +418,9 @@ template GSUP_PDU tr_GSUP_CL_RES(template hexstring imsi) := tr_GSUP_IMSI(OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT, imsi); +template (value) GSUP_PDU ts_GSUP_CL_RES(template (value) hexstring imsi) := + ts_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT, {valueof(ts_GSUP_IE_IMSI(imsi))}); + template GSUP_PDU tr_GSUP_CL_ERR(template hexstring imsi, template integer cause := ?) := tr_GSUP(OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR, { tr_GSUP_IE_IMSI(imsi), tr_GSUP_IE_Cause(cause), * }); @@ -548,7 +559,7 @@ val := val } -template (value) GSUP_IE ts_GSUP_IE_IMSI(hexstring imsi) := { +template (value) GSUP_IE ts_GSUP_IE_IMSI(template (value) hexstring imsi) := { tag := OSMO_GSUP_IMSI_IE, len := 0, /* overwritten */ val := { @@ -1184,8 +1195,10 @@ template GSUP_IEs pdp_info := omit, template GSUP_Message_Class message_class := omit, template integer cause := omit, + template GSUP_CancelType cancel_type := omit, template hexstring msisdn := omit, template GSUP_IMEIResult imei_result := omit, + template GSUP_CnDomain cn_domain := omit, template octetstring source_name := omit, template octetstring destination_name := omit ) return template GSUP_IEs { @@ -1204,6 +1217,11 @@ idx := idx + 1; } + if (not istemplatekind(cancel_type, "omit")) { + ies[idx] := tr_GSUP_IE_CancelType(cancel_type); + idx := idx + 1; + } + if (not istemplatekind(pdp_info_compl, "omit")) { ies[idx] := tr_GSUP_IE_PdpInfoCompl; idx := idx + 1; @@ -1214,6 +1232,11 @@ idx := idx + 1; } + if (not istemplatekind(cn_domain, "omit")) { + ies[idx] := tr_GSUP_IE_CnDomain(cn_domain); + idx := idx + 1; + } + if (not istemplatekind(imei_result, "omit")) { ies[idx] := tr_GSUP_IE_IMEI_Result(imei_result); idx := idx + 1; -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35883?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ibc37a9ef53315edab18f7b97a55cf504a40a4bf1 Gerrit-Change-Number: 35883 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: merged

1 year, 5 months

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[M] Change in osmo-ttcn3-hacks[master]: epdg: Introduce test TC_ho_lte_to_wifi

by pespin

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35884?usp=email ) Change subject: epdg: Introduce test TC_ho_lte_to_wifi ...................................................................... epdg: Introduce test TC_ho_lte_to_wifi This test emulates a UE doing handover to ePDG, when it may create extra dedicated bearers. Change-Id: Ibdfeda1fa5d7016b1952d64b306cd501cb33f61b --- M epdg/EPDG_Tests.ttcn M library/GTPv2_Templates.ttcn 2 files changed, 137 insertions(+), 21 deletions(-) Approvals: laforge: Looks good to me, but someone else must approve Jenkins Builder: Verified pespin: Looks good to me, approved diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn index e5cdafd..14bb060 100644 --- a/epdg/EPDG_Tests.ttcn +++ b/epdg/EPDG_Tests.ttcn @@ -488,6 +488,47 @@ } } +/* Expect CreateBearerResponse */ +private altstep as_GTP2C_CreateBearer_success() runs on EPDG_ConnHdlr { + var PDU_GTPCv2 rx_msg; + + [] GTP2.receive(tr_GTP2C_CreateBearerResp(g_pars.teic_local)) -> value rx_msg { + setverdict(pass); + } + [] GTP2.receive(PDU_GTPCv2:?) -> value rx_msg { + Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Unexpected GTP2C msg rx: ", rx_msg)); + } +} +private function f_GTP2C_CreateBearer_success(uint4_t dedicated_bearer_id := 6) runs on EPDG_ConnHdlr { + + var template (value) FullyQualifiedTEID fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S2bU_ePDG_GTPU, g_pars.bearer.teid_local, dedicated_bearer_id, + f_inet_addr(mp_s2b_local_ip), omit); + var template (value) FullyQualifiedTEID_List teid_list := { fteid_u_ie }; + + var template (value) FullyQualifiedPDN_ConnectionSetID pgw_fq_csid := ts_GTP2C_FQCSID_IPv4(f_inet_addr(mp_s2b_local_ip), int2oct(dedicated_bearer_id, 2)); + var template (value) FullyQualifiedPDN_ConnectionSetID_List csid_list := { pgw_fq_csid }; + + var template (value) BearerContextGrouped_List bcg_list := { + ts_GTP2C_BcGrouped({ + ePS_Bearer_ID := ts_GTP2C_EpsBearerId(dedicated_bearer_id), + cause := omit, + ePS_Bearer_TFT := omit, + fullyQualifiedTEID := teid_list, + bearerLevel_QoS := ts_GTP2C_BearerQos('09'O, 0,0,0,0), + chargingID := ts_GTP2C_ChargingID(f_rnd_octstring(4)), + bearerFlags := omit, + transactionIdentifier := omit, + protocolConfigOptions := omit, + rAN_NASCause := omit, + additionalProtocolConfigOptions := omit, + extendedProtocolConfigOptions := omit + }) + }; + GTP2.send(ts_GTP2C_CreateBearerReq(g_pars.teic_remote, omit, g_pars.bearer.ebi, + dedicated_bearer_id, bcg_list, csid_list)); + as_GTP2C_CreateBearer_success(); +} + /* Expect DeleteBearerResponse */ private altstep as_GTP2C_DeleteBearer_success() runs on EPDG_ConnHdlr { var PDU_GTPCv2 rx_msg; @@ -618,6 +659,23 @@ setverdict(pass); } +private function f_TC_ho_lte_to_wifi(charstring id) runs on EPDG_ConnHdlr { + f_initial_attach(); + /* Whenever UE comes from 3GPP, PGW may activate a dedicated S2b bearer + * and notify ePDG with a Create Bearer Request */ + f_GTP2C_CreateBearer_success(); + f_GSUP_PurgeMS_success(); +} + +testcase TC_ho_lte_to_wifi() runs on MTC_CT { + var EPDG_ConnHdlrPars pars := f_init_pars(); + var EPDG_ConnHdlr vc_conn; + f_init(); + vc_conn := f_start_handler(refers(f_TC_ho_lte_to_wifi), pars); + vc_conn.done; + setverdict(pass); +} + private function f_TC_ho_wifi_to_lte(charstring id) runs on EPDG_ConnHdlr { f_initial_attach(); /* Whenever UE goes back to 3GPP, PGW will notify ePDG with a Delete Bearer Request @@ -636,6 +694,7 @@ control { execute ( TC_authinfo_normal() ); + execute ( TC_ho_lte_to_wifi() ); execute ( TC_ho_wifi_to_lte() ); } diff --git a/library/GTPv2_Templates.ttcn b/library/GTPv2_Templates.ttcn index afe0138..9f242ee 100644 --- a/library/GTPv2_Templates.ttcn +++ b/library/GTPv2_Templates.ttcn @@ -671,6 +671,13 @@ pTI_Value := pti, additionalOctets := omit } +private function f_ts_GTP2C_ProcTransId_omit(template (omit) integer pti) +return template (omit) ProcedureTransactionID { + if (istemplatekind(pti, "omit")) { + return omit; + } + return ts_GTP2C_ProcTransId(pti); +} template (present) ProcedureTransactionID tr_GTP2C_ProcTransId(template (present) integer pti) := { elementIdentifier := '64'O, @@ -725,7 +732,35 @@ additionalOctets := * } - +/* 8.62 Fully qualified PDN Connection Set Identifier (FQ-CSID) */ +template (value) NodeID ts_GTP2C_FQCSID_NodeID_IPv4(template (value) OCT4 addr) := { + globalUnicastIPv4 := addr +} +template (value) FullyQualifiedPDN_ConnectionSetID +ts_GTP2C_FQCSID(template (value) integer nRofCSIDs, + template (value) integer nodeIDType, + template (value) NodeID nodeID, + template (value) PDN_CSID_List pDN_CSID_List, + template (value) uint4_t instance := 0) := { + elementIdentifier := '84'O, + lengthIndicator := 0, /* overwritten */ + instance := int2bit(valueof(instance), 4), + spare := '0000'B, + nRofCSIDs := nRofCSIDs, + nodeIDType := nodeIDType, + nodeID := nodeID, + pDN_CSID_List := pDN_CSID_List, + additionalOctets := omit +} +template (value) FullyQualifiedPDN_ConnectionSetID +ts_GTP2C_FQCSID_IPv4(template (value) OCT4 addr, + template (value) OCT2 csid, + template (value) uint4_t instance := 0) := +ts_GTP2C_FQCSID(nRofCSIDs := 1, + nodeIDType := 0, + nodeID := ts_GTP2C_FQCSID_NodeID_IPv4(addr), + pDN_CSID_List := {csid}, + instance := instance); template (value) PDU_GTPCv2 ts_PDU_GTP2C(template (omit) OCT4 teid, template (value) OCT3 seq, @@ -1068,33 +1103,19 @@ template (value) PDU_GTPCv2 ts_GTP2C_CreateBearerReq(template (value) OCT4 d_teid, - template (value) integer proc_trans_id, + template (omit) integer proc_trans_id, template (value) uint4_t linked_id, template (value) uint4_t bearer_id, - template (omit) FullyQualifiedTEID_List teid_list, + template (value) BearerContextGrouped_List bearer_ctx_list, + template (omit) FullyQualifiedPDN_ConnectionSetID_List csid := omit, template (value) Bearer_QoS qos := ts_GTP2C_BearerQos('09'O, 0,0,0,0)) := ts_PDU_GTP2C(d_teid, '000000'O, '5F'O, { createBearerRequest := { - procedureTransactionID := ts_GTP2C_ProcTransId(proc_trans_id), + procedureTransactionID := f_ts_GTP2C_ProcTransId_omit(proc_trans_id), linkedEPS_BearerID := ts_GTP2C_EpsBearerId(linked_id), protocolConfigOptions := omit, - bearerContextGrouped := { - ts_GTP2C_BcGrouped({ - ePS_Bearer_ID := ts_GTP2C_EpsBearerId(bearer_id), - cause := omit, - ePS_Bearer_TFT := omit, - fullyQualifiedTEID := teid_list, - bearerLevel_QoS := qos, - chargingID := omit, - bearerFlags := omit, - transactionIdentifier := omit, - protocolConfigOptions := omit, - rAN_NASCause := omit, - additionalProtocolConfigOptions := omit, - extendedProtocolConfigOptions := omit - }) - }, - csid := omit, + bearerContextGrouped := bearer_ctx_list, + csid := csid, changeReportingAction := omit, cSG_InformationReportingAction := omit, heNBInformationReporting := omit, @@ -1105,6 +1126,30 @@ nBIFOMContainer := omit, privateExtension := omit }}); +template (present) PDU_GTPCv2 +tr_GTP2C_CreateBearerResp(template (present) OCT4 d_teid, + template (present) OCT3 seq := ?, + template (present) GTP2C_Cause cause := ? + ) := +tr_PDU_GTP2C(d_teid, seq, { + createBearerResponse := { + cause := tr_GTP2C_Cause(cause), + bearerContextGrouped := *, + recovery := *, + csid := *, + protocolConfigOptions := *, + uE_TimeZone := *, + uLI := *, + trustedWLANAccessNetworkIdentifier := *, + overloadControlInformationGrouped := *, + presenceReportingAreaInformation := *, + iP_Addr := *, + wLANLocationTimestamp := *, + portNumber := *, + nBIFOMContainer := *, + extendedProtocolConfigOptions := *, + privateExtension:= * + }}); template (present) PDU_GTPCv2 tr_GTP2C_ModifyBearerReq(template (present) OCT4 d_teid := ?, -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35884?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ibdfeda1fa5d7016b1952d64b306cd501cb33f61b Gerrit-Change-Number: 35884 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: merged

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[M] Change in osmo-ttcn3-hacks[master]: epdg: Introduce test TC_ho_lte_to_wifi

by pespin

Attention is currently required from: laforge. pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35884?usp=email ) Change subject: epdg: Introduce test TC_ho_lte_to_wifi ...................................................................... Patch Set 1: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35884?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ibdfeda1fa5d7016b1952d64b306cd501cb33f61b Gerrit-Change-Number: 35884 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Comment-Date: Wed, 07 Feb 2024 16:36:24 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes Gerrit-MessageType: comment

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[S] Change in osmo-ttcn3-hacks[master]: epdg: Expect GSUP CancelLocationReq as consequence of DeleteBearerReq

by pespin

Attention is currently required from: fixeria, laforge, lynxis lazus. pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35883?usp=email ) Change subject: epdg: Expect GSUP CancelLocationReq as consequence of DeleteBearerReq ...................................................................... Patch Set 1: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35883?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ibc37a9ef53315edab18f7b97a55cf504a40a4bf1 Gerrit-Change-Number: 35883 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-Attention: laforge <laforge(a)osmocom.org> Gerrit-Attention: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Attention: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Comment-Date: Wed, 07 Feb 2024 16:36:22 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes Gerrit-MessageType: comment

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[S] Change in osmo-ttcn3-hacks[master]: epdg: Avoid tx PurgeMS before doing handover in TC_ho_wifi_to_lte

by pespin

Attention is currently required from: fixeria, lynxis lazus. pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35866?usp=email ) Change subject: epdg: Avoid tx PurgeMS before doing handover in TC_ho_wifi_to_lte ...................................................................... Patch Set 1: Code-Review+2 -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/35866?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Ic6db92c79e055bc98d502620930ab36e9a4fd4fd Gerrit-Change-Number: 35866 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Reviewer: laforge <laforge(a)osmocom.org> Gerrit-Reviewer: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Reviewer: pespin <pespin(a)sysmocom.de> Gerrit-Attention: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-Attention: lynxis lazus <lynxis(a)fe80.eu> Gerrit-Comment-Date: Wed, 07 Feb 2024 16:36:21 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: Yes Gerrit-MessageType: comment

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[S] Change in osmo-gsm-manuals[master]: gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req

by pespin

pespin has uploaded a new patch set (#2). ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/35899?usp=email ) Change subject: gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req ...................................................................... gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req Change-Id: Iccb397410d1b08c8fbc87fdcad1e787f025a5d9f --- M common/chapters/gsup.adoc 1 file changed, 15 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/99/35899/2 -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/35899?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: Iccb397410d1b08c8fbc87fdcad1e787f025a5d9f Gerrit-Change-Number: 35899 Gerrit-PatchSet: 2 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-CC: Jenkins Builder Gerrit-MessageType: newpatchset

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[S] Change in osmo-gsm-manuals[master]: gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req

by pespin

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/35899?usp=email ) Change subject: gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req ...................................................................... gsup.adoc: Add conditional 'PDP Info' IE to Auth Info Req Change-Id: Iccb397410d1b08c8fbc87fdcad1e787f025a5d9f --- M common/chapters/gsup.adoc 1 file changed, 13 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/99/35899/1 diff --git a/common/chapters/gsup.adoc b/common/chapters/gsup.adoc index f7cf959..79c5f69 100644 --- a/common/chapters/gsup.adoc +++ b/common/chapters/gsup.adoc @@ -362,12 +362,15 @@ |28|CN Domain|<<gsup-ie-cndomain>>|O|TLV|3 |26|AUTS|<<gsup-ie-auts>>|C|TLV|18 |20|RAND|<<gsup-ie-rand>>|C|TLV|18 +|05|PDP info|<<gsup-ie-pdpinfo>>|C|TLV|2-N |=== The conditional 'AUTS' and 'RAND' IEs are both present in case the SIM (via UE) requests an UMTS AKA re-synchronization procedure. Either both optional IEs are present, or none of them. +The conditional 'PDP Info' IE is only present in the CEAI interface used by the ePDG. It should contain the 'PDP Context ID', 'PDP Address' (dynamic addressing) and 'Access Point Name' IEs. + [[gsup-msg-auth-info-err]] ==== Send Authentication Info Error @@ -446,7 +449,7 @@ |08|MSISDN|<<gsup-ie-msisdn>>|O|TLV|0-9 |09|HLR Number|<<gsup-ie-hlr>>|O|TLV|0-9 |04|PDP info complete|<<gsup-ie-empty>>|O|TLV|2 -|05|PDP info|<<gsup-ie-pdpinfo>>|O|TLV|1-10 +|05|PDP info|<<gsup-ie-pdpinfo>>|O|TLV|2-N |=== If the PDP info complete IE is present, the old PDP info list shall be cleared. -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/35899?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: Iccb397410d1b08c8fbc87fdcad1e787f025a5d9f Gerrit-Change-Number: 35899 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin(a)sysmocom.de> Gerrit-MessageType: newchange

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