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srsLTE
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Starting to add interface apply_traffic_flow_template between NAS and GW.

This commit is contained in:
Pedro Alvarez 2019-05-23 18:35:12 +01:00 committed by Andre Puschmann
parent 2fcf8c1827
commit a7e0a0624b
5 changed files with 30 additions and 17 deletions
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1
lib/include/srslte/interfaces/ue_interfaces.h
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@ -98,6 +98,7 @@ class gw_interface_nas
{
public:
virtual int setup_if_addr(uint32_t lcid, uint8_t pdn_type, uint32_t ip_addr, uint8_t* ipv6_if_id, char* err_str) = 0;
virtual int apply_traffic_flow_template(const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft) = 0;
};
// GW interface for RRC

1
srsue/hdr/stack/upper/gw.h
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@ -59,6 +59,7 @@ public:
// NAS interface
int setup_if_addr(uint32_t lcid, uint8_t pdn_type, uint32_t ip_addr, uint8_t* ipv6_if_addr, char* err_str);
int apply_traffic_flow_template(const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft);
// RRC interface
void add_mch_port(uint32_t lcid, uint32_t port);

6
srsue/src/stack/upper/gw.cc
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@ -220,7 +220,11 @@ int gw::setup_if_addr(uint32_t lcid, uint8_t pdn_type, uint32_t ip_addr, uint8_t
}
int gw::apply_traffic_flow_template(const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft)
{
int err;
return SRSLTE_SUCCESS;
}
/*******************************************************************************
RRC interface
*******************************************************************************/

10
srsue/src/stack/upper/nas.cc
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@ -1133,14 +1133,17 @@ void nas::parse_activate_dedicated_eps_bearer_context_request(uint32_t lcid, uni
{
LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT request;
liblte_mme_unpack_activate_dedicated_eps_bearer_context_request_msg((LIBLTE_BYTE_MSG_STRUCT*)pdu.get(), &request);
nas_log->info(
"Received Activate Dedicated EPS bearer context request (eps_bearer_id=%d, linked_bearer_id=%d, proc_id=%d)\n",
request.eps_bearer_id,
request.linked_eps_bearer_id,
request.proc_transaction_id);
ctxt.rx_count++;
LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft = &request.tft;
nas_log->info("Traffic Flow Template: TFT OP code 0x%x, Filter list size %d, Parameter list size %d\n",
tft->tft_op_code,
tft->packet_filter_list_size,
tft->parameter_list_size);
// check the a linked default bearer exists
if (eps_bearer.find(request.linked_eps_bearer_id) == eps_bearer.end()) {
@ -1158,6 +1161,9 @@ void nas::parse_activate_dedicated_eps_bearer_context_request(uint32_t lcid, uni
return;
}
// apply packet filters to GW
gw->apply_traffic_flow_template(tft);
send_activate_dedicated_eps_bearer_context_accept(request.proc_transaction_id, request.eps_bearer_id);
}

1
srsue/test/upper/nas_test.cc
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@ -143,6 +143,7 @@ class gw_dummy : public gw_interface_nas, public gw_interface_pdcp
{
return SRSLTE_SUCCESS;
}
int apply_traffic_flow_template(const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft) { return SRSLTE_SUCCESS; }
void write_pdu(uint32_t lcid, unique_byte_buffer_t pdu) {}
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) {}
};