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IE F-TEID fix #24

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IE F-TEID fix #24

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11 changes: 9 additions & 2 deletions src/oai_spgwc/pgwc_procedure.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,13 @@ int session_establishment_procedure::run(
// pfcp::framed_ipv6_route_t framed_ipv6_route = {};
source_interface.interface_value = pfcp::INTERFACE_VALUE_ACCESS;
local_fteid.ch = 1;
// TS 29.244 R15.05 8.2.3 -> At least one of the V4 and V6 flags shall be set
// to "1", and both may be set to "1" for scenarios
// when the UP function is requested to allocate the F-TEID, i.e. when
// CHOOSE bit is set to "1", and the IPv4 address and IPv6 address fields
// are not present.
local_fteid.v4 = 1;

// local_fteid.chid = 1;
xgpp_conv::paa_to_pfcp_ue_ip_address(
s5_triggered_pending->gtp_ies.paa.second, ue_ip_address);
Expand Down Expand Up @@ -1075,8 +1082,8 @@ void downlink_data_report_procedure::handle_itti_msg(
itti_s5s8_downlink_data_notification_acknowledge& ack) {
::cause_t gtp_cause = {};

pfcp::cause_t pfcp_cause = {.cause_value =
pfcp::CAUSE_VALUE_REQUEST_ACCEPTED};
pfcp::cause_t pfcp_cause = {
.cause_value = pfcp::CAUSE_VALUE_REQUEST_ACCEPTED};
if (ack.gtp_ies.get(gtp_cause)) {
switch (gtp_cause.cause_value) {
case REQUEST_ACCEPTED:
Expand Down
3 changes: 3 additions & 0 deletions src/pfcp/3gpp_29.244.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,9 @@ class pfcp_fteid_ie : public pfcp_ie {
if (u1.bf.v6) {
tlv.add_length(16);
}
}
if (u1.bf.ch & b.v4) {
u1.bf.v4 = b.v4;
} else {

@lionelgo lionelgo Aug 23, 2021

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Ipv4 and v6 address will be zeroed if not (u1.bf.ch & b.v4) ?

ipv4_address.s_addr = INADDR_ANY;
ipv6_address = in6addr_any;
Expand Down