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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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23
lib/include/srslte/interfaces/ue_interfaces.h
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@ -97,7 +97,8 @@ public:
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 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
@ -186,18 +187,18 @@ public:
const static int MAX_FOUND_PLMNS = 16;
virtual void write_sdu(srslte::unique_byte_buffer_t sdu) = 0;
virtual uint16_t get_mcc() = 0;
virtual uint16_t get_mnc() = 0;
virtual void enable_capabilities() = 0;
virtual int plmn_search(found_plmn_t found_plmns[MAX_FOUND_PLMNS]) = 0;
virtual void plmn_select(asn1::rrc::plmn_id_s plmn_id) = 0;
virtual void write_sdu(srslte::unique_byte_buffer_t sdu) = 0;
virtual uint16_t get_mcc() = 0;
virtual uint16_t get_mnc() = 0;
virtual void enable_capabilities() = 0;
virtual int plmn_search(found_plmn_t found_plmns[MAX_FOUND_PLMNS]) = 0;
virtual void plmn_select(asn1::rrc::plmn_id_s plmn_id) = 0;
virtual bool connection_request(asn1::rrc::establishment_cause_e cause,
srslte::unique_byte_buffer_t dedicatedInfoNAS) = 0;
virtual void set_ue_idenity(asn1::rrc::s_tmsi_s s_tmsi) = 0;
virtual bool is_connected() = 0;
virtual std::string get_rb_name(uint32_t lcid) = 0;
virtual uint32_t get_lcid_for_eps_bearer(const uint32_t& eps_bearer_id) = 0;
virtual void set_ue_idenity(asn1::rrc::s_tmsi_s s_tmsi) = 0;
virtual bool is_connected() = 0;
virtual std::string get_rb_name(uint32_t lcid) = 0;
virtual uint32_t get_lcid_for_eps_bearer(const uint32_t& eps_bearer_id) = 0;
};
// RRC interface for PDCP

3
srsue/hdr/stack/upper/gw.h
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@ -58,7 +58,8 @@ public:
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu);
// 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 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);
}

5
srsue/test/upper/nas_test.cc
View File

@ -143,8 +143,9 @@ class gw_dummy : public gw_interface_nas, public gw_interface_pdcp
{
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) {}
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) {}
};
}