Commit 26692630 authored by Panos Matzakos's avatar Panos Matzakos

ENDC X2AP: Implementation of handler function for SgNB addition request message

parent 587f9f63
......@@ -273,6 +273,22 @@ typedef struct e_rab_setup_s {
uint32_t gtp_teid;
} e_rab_setup_t;
typedef struct e_rab_tobe_added_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
/* Unique drb_ID for the UE. */
uint8_t drb_ID;
/* The transport layer address for the IP packets */
transport_layer_addr_t eNB_addr;
/* S-GW Tunnel endpoint identifier */
uint32_t gtp_teid;
} e_rab_tobe_added_t;
typedef struct e_rab_tobeswitched_s {
/* Unique e_rab_id for the UE. */
uint8_t e_rab_id;
......
......@@ -50,3 +50,6 @@ MESSAGE_DEF(X2AP_UE_CONTEXT_RELEASE , MESSAGE_PRIORITY_MED, x2ap_ue_
/*Senb bearer addition messages X2AP <-> RRC */
MESSAGE_DEF(X2AP_SENB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_senb_addition_req_t , x2ap_senb_addition_req)
/*SGnb bearer addition messages X2AP <-> RRC */
MESSAGE_DEF(X2AP_ENDC_SGNB_ADDITION_REQ , MESSAGE_PRIORITY_MED, x2ap_ENDC_sgnb_addition_req_t , x2ap_ENDC_sgnb_addition_req)
......@@ -38,6 +38,7 @@
#define X2AP_UE_CONTEXT_RELEASE(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ue_context_release
#define X2AP_HANDOVER_CANCEL(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_cancel
#define X2AP_SENB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_senb_addition_req
#define X2AP_ENDC_SGNB_ADDITION_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_ENDC_sgnb_addition_req
#define X2AP_MAX_NB_ENB_IP_ADDRESS 2
......@@ -286,7 +287,7 @@ typedef struct x2ap_senb_addition_req_ack_s {
int MeNB_UE_X2_id;
int SeNB_UE_X2_id;
int SgNB_UE_X2_id;
uint8_t nb_sCG_e_rabs_tobeadded;
......@@ -304,12 +305,15 @@ typedef struct x2ap_senb_addition_req_ack_s {
} x2ap_senb_addition_req_ack_t;
typedef struct x2ap_ENDC_sgnb_addition_req_s {
int ue_x2_id;
/* used for RRC->X2AP in source eNB */
int rnti;
security_capabilities_t security_capabilities;
uint8_t kgnb[32]; // keNB or keNB*
/* SgNB Security Key */
uint8_t kgnb[32];
/*next_hop_chaining_coun */
long int kgnb_ncc;
......@@ -317,10 +321,10 @@ typedef struct x2ap_ENDC_sgnb_addition_req_s {
/* UE aggregate maximum bitrate */
ambr_t ue_ambr;
uint8_t nb_e_rabs_tobesetup;
uint8_t nb_e_rabs_tobeadded;
/* list of e_rab setup-ed by RRC layers */
e_rab_setup_t e_rabs_tobesetup[S1AP_MAX_E_RAB];
/* list of e_rab to be added by RRC layers */
e_rab_tobe_added_t e_rabs_tobeadded[S1AP_MAX_E_RAB];
/* list of e_rab to be setup by RRC layers */
e_rab_t e_rab_param[S1AP_MAX_E_RAB];
......@@ -331,7 +335,13 @@ typedef struct x2ap_ENDC_sgnb_addition_req_s {
int rrc_buffer_size;
int target_assoc_id;
} x2ap_ENDC_sgnb_addition_req__t;
/*long int pDCPatSgNB = X2AP_EN_DC_ResourceConfiguration__pDCPatSgNB_present;
long int mCGresources = X2AP_EN_DC_ResourceConfiguration__mCGresources_not_present;
long int sCGresources = X2AP_EN_DC_ResourceConfiguration__sCGresources_not_present;*/
} x2ap_ENDC_sgnb_addition_req_t;
#endif /* X2AP_MESSAGES_TYPES_H_ */
......@@ -1524,14 +1524,29 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
long qCI = 1;
X2AP_Pre_emptionCapability_t pre_emptionCapability = X2AP_Pre_emptionCapability_shall_not_trigger_pre_emption;
X2AP_Pre_emptionVulnerability_t pre_emptionVulnerability = X2AP_Pre_emptionVulnerability_not_pre_emptable;
priority_level_t priority_level = PRIORITY_LEVEL_NO_PRIORITY;
e_rab_setup_t e_MCG_rabs_tobeadded;
e_MCG_rabs_tobeadded.gtp_teid = 0;
e_MCG_rabs_tobeadded.eNB_addr.length = 24;
uint8_t buf[20] = { 0 };
memcpy(e_MCG_rabs_tobeadded.eNB_addr.buffer, buf, 20*sizeof(uint8_t));
OCTET_STRING_t CG_Config_Info;
FILE *fd;
fd = fopen("uecap.raw","r");
if (fd != NULL) {
OCTET_STRING_t CG_Config_Info;
CG_Config_Info.size = 4096;
CG_Config_Info.buf = (uint8_t *)calloc(4096, sizeof(uint8_t));
int msg_len=fread(CG_Config_Info.buf,1,CG_Config_Info.size,fd);
/*char buffer[4096];
int msg_len=fread(buffer,1,4096,fd);*/
LOG_I(RRC,"Read in %d bytes for uecap\n",msg_len);
/*OCTET_STRING_t CG_Config_Info;
CG_Config_Info.size = 4096;
CG_Config_Info.buf = (uint8_t *)calloc(4096, sizeof(uint8_t));
CG_Config_Info.buf = (uint8_t *)calloc(4096, sizeof(uint8_t));*/
DevAssert(instance_p != NULL);
......@@ -1608,7 +1623,8 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.full_E_RAB_Level_QoS_Parameters.qCI = qCI;
e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.full_E_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.pre_emptionCapability = pre_emptionCapability;
e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.full_E_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.pre_emptionVulnerability = pre_emptionVulnerability;
e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.full_E_RAB_Level_QoS_Parameters.allocationAndRetentionPriority. pre_emptionVulnerability = pre_emptionVulnerability;
e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.full_E_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.priorityLevel = priority_level;
//Continue from filling the UL_GTPtunnelEndpointInformation inspired from how it is done for the HO case
INT32_TO_OCTET_STRING(e_MCG_rabs_tobeadded.gtp_teid, &e_RABS_ToBeAdded_SgNBAddReq_Item->resource_configuration.choice.sgNBPDCPpresent.s1_UL_GTPtunnelEndpoint.gTP_TEID);
......@@ -1644,6 +1660,12 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
MSC_LOG_TX_MESSAGE (MSC_X2AP_SRC_ENB, MSC_X2AP_TARGET_ENB, NULL, 0, "0 X2Setup/initiatingMessage assoc_id %u", x2ap_eNB_data_p->assoc_id);
x2ap_eNB_itti_send_sctp_data_req(instance_p->instance, x2ap_eNB_data_p->assoc_id, buffer, len, 0);
fclose(fd);
}
else {
LOG_I(RRC, "uecap.raw file could not be opened... \n");
return -1;
}
return ret;
......
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