Added GTP-C cause value enum.

lib/include/srslte/asn1/gtpc_ies.h

@@ -163,18 +163,77 @@ enum gtpc_ie_type
 enum gtpc_cause_value
 {
   //Reserved
-  LOCAL_DETACH = 2,
+  GTPC_CAUSE_VALUE_LOCAL_DETACH = 2,
-  COMPLETE_DETACH = 3,
+  GTPC_CAUSE_VALUE_COMPLETE_DETACH = 3,
-  RAT_CHANGED_FROM_3GPP_TO_NON_3GPP = 4,
+  GTPC_CAUSE_VALUE_RAT_CHANGED_FROM_3GPP_TO_NON_3GPP = 4,
-  ISR_DEACTIVATION = 5,
+  GTPC_CAUSE_VALUE_ISR_DEACTIVATION = 5,
-  ERROR_INDICATION_RECEIVED_FROM_RNC_ENODEB_S4_SGSN = 6,
+  GTPC_CAUSE_VALUE_ERROR_INDICATION_RECEIVED_FROM_RNC_ENODEB_S4_SGSN = 6,
-  IMSI_DETACH_ONLY = 7,
+  GTPC_CAUSE_VALUE_IMSI_DETACH_ONLY = 7,
-  REACTIVATION_REQUESTED = 8,
+  GTPC_CAUSE_VALUE_REACTIVATION_REQUESTED = 8,
-  PDN_RECONNECTION_TO_THIS_APN_DISALLOWED = 9,
+  GTPC_CAUSE_VALUE_PDN_RECONNECTION_TO_THIS_APN_DISALLOWED = 9,
-  ACCESS_CHANGED_FROM_NON_3GPP_TO_3GPP = 10,
+  GTPC_CAUSE_VALUE_ACCESS_CHANGED_FROM_NON_3GPP_TO_3GPP = 10,
-  PDN_CONNECTION_INACTIVITY_TIMER_EXPIRES = 11
+  GTPC_CAUSE_VALUE_PDN_CONNECTION_INACTIVITY_TIMER_EXPIRES = 11,
   //Spare. This value range shall be used by Cause values in an initial/request message.
-
+  GTPC_CAUSE_VALUE_REQUEST_ACCEPTED = 16,
+  GTPC_CAUSE_VALUE_REQUEST_ACCEPTED_PARTIALLY = 17,
+  GTPC_CAUSE_VALUE_NEW_PDN_TYPE_DUE_TO_NETWORK_PREFERENCE = 18,
+  GTPC_CAUSE_VALUE_NEW_PDN_TYPE_DUE_TO_SINGLE_ADDRESS_BEARER_ONLY = 19,
+  //20-63 Spare.
+  GTPC_CAUSE_VALUE_CONTEXT_NOT_FOUND = 64,
+  GTPC_CAUSE_VALUE_INVALID_MESSAGE_FORMAT = 65,
+  GTPC_CAUSE_VALUE_VERSION_NOT_SUPPORTED_BY_NEXT_PEER = 66,
+  GTPC_CAUSE_VALUE_INVALID_LENGTH = 67,
+  GTPC_CAUSE_VALUE_SERVICE_NOT_SUPPORTED = 68,
+  GTPC_CAUSE_VALUE_MANDATORY_IE_INCORRECT = 69,
+  GTPC_CAUSE_VALUE_MANDATORY_IE_MISSING = 70,
+  //71 Shall not be used.
+  GTPC_CAUSE_VALUE_SYSTEM_FAILURE = 72,
+  GTPC_CAUSE_VALUE_NO_RESOURCES_AVAILABLE = 73,
+  GTPC_CAUSE_VALUE_SEMANTIC_ERROR_IN_THE_TFT_OPERATION = 74,
+  GTPC_CAUSE_VALUE_SYNTACTIC_ERROR_IN_THE_TFT_OPERATION = 75,
+  GTPC_CAUSE_VALUE_SEMANTIC_ERRORS_IN_PACKET_FILTER = 76,
+  GTPC_CAUSE_VALUE_SYNTACTIC_ERRORS_IN_PACKET_FILTER = 77,
+  GTPC_CAUSE_VALUE_MISSING_OR_UNKNOWN_APN = 78,
+  //79 Shall not be used.
+  GTPC_CAUSE_VALUE_GRE_KEY_NOT_FOUND = 80,
+  GTPC_CAUSE_VALUE_RELOCATION_FAILURE = 81,
+  GTPC_CAUSE_VALUE_DENIED_IN_RAT = 82,
+  GTPC_CAUSE_VALUE_PREFERRED_PDN_TYPE_NOT_SUPPORTED = 83,
+  GTPC_CAUSE_VALUE_ALL_DYNAMIC_ADDRESSES_ARE_OCCUPIED = 84,
+  GTPC_CAUSE_VALUE_UE_CONTEXT_WITHOUT_TFT_ALREADY_ACTIVATED = 85,
+  GTPC_CAUSE_VALUE_PROTOCOL_TYPE_NOT_SUPPORTED = 86,
+  GTPC_CAUSE_VALUE_UE_NOT_RESPONDING = 87,
+  GTPC_CAUSE_VALUE_UE_REFUSES = 88,
+  GTPC_CAUSE_VALUE_SERVICE_DENIED = 89,
+  GTPC_CAUSE_VALUE_UNABLE_TO_PAGE_UE = 90,
+  GTPC_CAUSE_VALUE_NO_MEMORY_AVAILABLE = 91,
+  GTPC_CAUSE_VALUE_USER_AUTHENTICATION_FAILED = 92,
+  GTPC_CAUSE_VALUE_APN_ACCESS_DENIED_NO_SUBSCRIPTION = 93,
+  GTPC_CAUSE_VALUE_REQUEST_REJECTED = 94,
+  GTPC_CAUSE_VALUE_P_TMSI_SIGNATURE_MISMATCH = 95,
+  GTPC_CAUSE_VALUE_IMSI_IMEI_NOT_KNOWN = 96,
+  GTPC_CAUSE_VALUE_SEMANTIC_ERROR_IN_THE_TAD_OPERATION = 97,
+  GTPC_CAUSE_VALUE_SYNTACTIC_ERROR_IN_THE_TAD_OPERATION = 98,
+  //99 Shall not be used.
+  GTPC_CAUSE_VALUE_REMOTE_PEER_NOT_RESPONDING = 100,
+  GTPC_CAUSE_VALUE_COLLISION_WITH_NETWORK_INITIATED_REQUEST = 101,
+  GTPC_CAUSE_VALUE_UNABLE_TO_PAGE_UE_DUE_TO_SUSPENSION = 102,
+  GTPC_CAUSE_VALUE_CONDITIONAL_IE_MISSING = 103,
+  GTPC_CAUSE_VALUE_APN_RESTRICTION_TYPE_INCOMPATIBLE_WITH_CURRENTLY_ACTIVE_PDN_CONNECTION = 104,
+  GTPC_CAUSE_VALUE_INVALID_OVERALL_LENGTH_OF_THE_TRIGGERED_RESPONSE_MSG_AND_A_PIGGYBACKED_INITIAL_MSG = 105,
+  GTPC_CAUSE_VALUE_DATA_FORWARDING_NOT_SUPPORTED = 106,
+  GTPC_CAUSE_VALUE_INVALID_REPLY_FROM_REMOTE_PEER = 107,
+  GTPC_CAUSE_VALUE_FALLBACK_TO_GTPV1 = 108,
+  GTPC_CAUSE_VALUE_INVALID_PEER = 109,
+  GTPC_CAUSE_VALUE_TEMPORARILY_REJECTED_DUE_TO_HANDOVER_PROCEDURE_IN_PROGRESS = 110,
+  GTPC_CAUSE_VALUE_MODIFICATIONS_NOT_LIMITED_TO_S1_U_BEARERS = 111,
+  GTPC_CAUSE_VALUE_REQUEST_REJECTED_FOR_A_PMIPV6_REASON = 112,
+  GTPC_CAUSE_VALUE_APN_CONGESTION = 113,
+  GTPC_CAUSE_VALUE_BEARER_HANDLING_NOT_SUPPORTED = 114,
+  GTPC_CAUSE_VALUE_UE_ALREADY_RE_ATTACHED = 115,
+  GTPC_CAUSE_VALUE_MULTIPLE_PDN_CONNECTIONS_FOR_A_GIVEN_APN_NOT_ALLOWED = 116
+  //117-239 Spare. For future use in a triggered/response message.
+  //240-255 Spare. For future use in an initial/request message.
 };
 
 struct gtpc_cause_ie

lib/include/srslte/asn1/gtpc_msg.h

@@ -256,8 +256,24 @@ struct gtpc_create_session_response
   struct gtpc_bearer_context_created_ie
   {
     uint8_t ebi;
-    //
+    gtpc_cause_ie cause;
-  } bearer_context_created; //M
+    bool s1_u_sgw_f_teid_present;
+    struct gtpc_f_teid_ie s1_u_sgw_f_teid;
+    bool s4_u_sgw_f_teid_present;
+    struct gtpc_f_teid_ie s4_u_sgw_f_teid;
+    bool s5_s8_u_pgw_f_teid_present;
+    struct gtpc_f_teid_ie s5_s8_u_pgw_f_teid;
+    bool s12_sgw_f_teid_present;
+    struct gtpc_f_teid_ie s12_sgw_f_teid;
+    bool s2b_u_pgw_f_teid_present;
+    struct gtpc_f_teid_ie s2b_u_pgw_f_teid;
+    //bearer_level_qos_present
+    //bearer_level_qos
+    //charging_id_present
+    //charging_id
+    //bearer_flags_present
+    //bearer_flags
+  } eps_bearer_context_created; //M
 
   /*
   struct gtpc_bearer_context_removed_ie

srsepc/hdr/spgw/spgw.h

@@ -80,6 +80,9 @@ private:
 
   srslte::error_t init_sgi_if(spgw_args_t *args);
   srslte::error_t init_s1u(spgw_args_t *args);
+  uint64_t get_new_ctrl_teid();
+  uint64_t get_new_user_teid();
+  in_addr_t get_new_ue_ipv4();
 
   bool m_running;
   srslte::byte_buffer_pool *m_pool;
@@ -91,6 +94,8 @@ private:
   bool m_s1u_up;
   int m_s1u;
 
+  uint64_t m_next_ctrl_teid;
+  uint64_t m_next_user_teid;
   /*Logs*/
   srslte::log_filter  *m_spgw_log;
 

srsepc/src/spgw/spgw.cc

@@ -46,9 +46,11 @@ const uint16_t SPGW_BUFFER_SIZE = 2500;
 spgw::spgw():
   m_running(false),
   m_sgi_up(false),
-  m_s1u_up(false)
+  m_s1u_up(false),
+  m_next_ctrl_teid(1),
+  m_next_user_teid(1)
 {
-  m_pool = srslte::byte_buffer_pool::get_instance();     
+  m_pool = srslte::byte_buffer_pool::get_instance();
   return;
 }
 
@@ -285,7 +287,23 @@ spgw::run_thread()
 }
 
 
+uint64_t
+spgw::get_new_ctrl_teid()
+{
+  return m_next_ctrl_teid++;
+}
+
+uint64_t
+spgw::get_new_user_teid()
+{
+  return m_next_user_teid++;
+}
 
+in_addr_t
+spgw::get_new_ue_ipv4()
+{
+  return inet_addr("172.0.0.2");//FIXME Tmp hack
+}
 
 void
 spgw::handle_create_session_request(struct srslte::gtpc_create_session_request *cs_req, struct srslte::gtpc_create_session_response *cs_resp)
@@ -307,7 +325,7 @@ spgw::handle_create_session_request(struct srslte::gtpc_create_session_request *
   //Setup sender F-TEID (ctrl)\\
   cs_resp->sender_f_teid.teid_present = true;
   cs_resp->sender_f_teid.teid = spgw_uplink_ctrl_teid;
-  cs_resp->sender_f_teid.ipv4 = m_gtpu_bind_addr;//FIXME This is not relevant, as the GTP-C is not transmitted over sockets yet.
+  cs_resp->sender_f_teid.ipv4 = 0;//FIXME This is not relevant, as the GTP-C is not transmitted over sockets yet.
   //Bearer context created\\
   cs_resp->eps_bearer_context_created.ebi = 5;
   cs_resp->eps_bearer_context_created.cause = ;
@@ -318,7 +336,7 @@ spgw::handle_create_session_request(struct srslte::gtpc_create_session_request *
   cs_resp->pda.pdn_type = srslte::GTPC_IPV4;
   cs_resp->ipv4_present = true;
   cs_resp->ipv4 = ue_ip;
-  
+
   return;
 }