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Merge remote-tracking branch 'origin/impl-pdu-session-header' into integration_2022_wk30b

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This commit is contained in:
Robert Schmidt
2022-08-02 11:04:04 +02:00
parent 48b045b0b0 7a6f9659bc
commit d2a784280d
10 changed files with 238 additions and 163 deletions
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openair1/SIMULATION/NR_PHY/dlsim.c
+11 -3
View File
@@ -100,9 +100,17 @@ nfapi_ue_release_request_body_t release_rntis;
//Fixme: Uniq dirty DU instance, by global var, datamodel need better management
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer_id, int outgoing_bearer_id, teid_t outgoing_teid,
transport_layer_addr_t remoteAddr, int port, gtpCallback callBack) {
return 0;
teid_t newGtpuCreateTunnel(instance_t instance,
rnti_t rnti,
int incoming_bearer_id,
int outgoing_bearer_id,
teid_t outgoing_teid,
int qfi,
transport_layer_addr_t remoteAddr,
int port,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP) {
return 0;
}
int newGtpuDeleteAllTunnels(instance_t instance, rnti_t rnti) {
openair1/SIMULATION/NR_PHY/prachsim.c
+11 -3
View File
@@ -92,9 +92,17 @@ int oai_nfapi_nr_rach_indication(nfapi_nr_rach_indication_t *ind) { return(0);
//Fixme: Uniq dirty DU instance, by global var, datamodel need better management
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer_id, int outgoing_bearer_id, teid_t outgoing_teid,
transport_layer_addr_t remoteAddr, int port, gtpCallback callBack) {
return 0;
teid_t newGtpuCreateTunnel(instance_t instance,
rnti_t rnti,
int incoming_bearer_id,
int outgoing_bearer_id,
teid_t outgoing_teid,
int qfi,
transport_layer_addr_t remoteAddr,
int port,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP) {
return 0;
}
int newGtpuDeleteAllTunnels(instance_t instance, rnti_t rnti) {
openair1/SIMULATION/NR_PHY/ulsim.c
+11 -3
View File
@@ -95,9 +95,17 @@ nfapi_ue_release_request_body_t release_rntis;
//Fixme: Uniq dirty DU instance, by global var, datamodel need better management
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer_id, int outgoing_bearer_id, teid_t outgoing_teid,
transport_layer_addr_t remoteAddr, int port, gtpCallback callBack) {
return 0;
teid_t newGtpuCreateTunnel(instance_t instance,
rnti_t rnti,
int incoming_bearer_id,
int outgoing_bearer_id,
teid_t outgoing_teid,
int qfi,
transport_layer_addr_t remoteAddr,
int port,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP) {
return 0;
}
int newGtpuDeleteAllTunnels(instance_t instance, rnti_t rnti) {
openair2/COMMON/gtpv1_u_messages_types.h
+1
View File
@@ -181,6 +181,7 @@ typedef struct gtpv1u_gnb_create_tunnel_req_s {
int num_tunnels;
//teid_t upf_NGu_teid[NR_GTPV1U_MAX_BEARERS_PER_UE]; ///< Tunnel Endpoint Identifier
teid_t outgoing_teid[NR_GTPV1U_MAX_BEARERS_PER_UE];
int outgoing_qfi[NR_GTPV1U_MAX_BEARERS_PER_UE];
pdusessionid_t pdusession_id[NR_GTPV1U_MAX_BEARERS_PER_UE];
ebi_t incoming_rb_id[NR_GTPV1U_MAX_BEARERS_PER_UE];
//ebi_t outgoing_rb_id[NR_GTPV1U_MAX_BEARERS_PER_UE];
openair2/F1AP/f1ap_cu_ue_context_management.c
+20 -18
View File
@@ -515,15 +515,16 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
int sz=sizeof(f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_dl_tnl[0].tl_address);
memcpy(addr.buffer,&f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_dl_tnl[0].tl_address, sz);
addr.length = sz*8;
f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_ul_tnl[j].teid=
newGtpuCreateTunnel(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_setup_req->rnti,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
0xFFFF, // We will set the right value from DU answer
addr,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_dl_tnl[0].port,
cu_f1u_data_req);
f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_ul_tnl[j].teid = newGtpuCreateTunnel(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_setup_req->rnti,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
0xFFFF, // We will set the right value from DU answer
-1, // no qfi
addr,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_dl_tnl[0].port,
cu_f1u_data_req,
NULL);
/* 12.3.1 ULTunnels_ToBeSetup_Item */
asn1cSequenceAdd(drbs_toBeSetup_item->uLUPTNLInformation_ToBeSetup_List.list,
F1AP_ULUPTNLInformation_ToBeSetup_Item_t, uLUPTNLInformation_ToBeSetup_Item);
@@ -1491,15 +1492,16 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
memcpy(addr.buffer,&f1ap_ue_context_modification_req->drbs_to_be_setup[i].up_dl_tnl[0].tl_address, sz);
addr.length = sz*8;
f1ap_ue_context_modification_req->drbs_to_be_setup[i].up_ul_tnl[j].teid=
newGtpuCreateTunnel(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_modification_req->rnti,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].drb_id,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].drb_id,
0xFFFF, // We will set the right value from DU answer
addr,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].up_dl_tnl[0].port,
cu_f1u_data_req);
f1ap_ue_context_modification_req->drbs_to_be_setup[i].up_ul_tnl[j].teid = newGtpuCreateTunnel(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_modification_req->rnti,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].drb_id,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].drb_id,
0xFFFF, // We will set the right value from DU answer
-1, // no qfi
addr,
f1ap_ue_context_modification_req->drbs_to_be_setup[i].up_dl_tnl[0].port,
cu_f1u_data_req,
NULL);
/* 12.3.1 ULTunnels_ToBeSetup_Item */
asn1cSequenceAdd(drbs_toBeSetupMod_item->uLUPTNLInformation_ToBeSetup_List.list,
F1AP_ULUPTNLInformation_ToBeSetup_Item_t, uLUPTNLInformation_ToBeSetup_Item);
openair2/F1AP/f1ap_du_ue_context_management.c
+20 -16
View File
@@ -187,14 +187,16 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
transport_layer_addr_t addr;
memcpy(addr.buffer, &drb_p->up_ul_tnl[0].tl_address, sizeof(drb_p->up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p->up_ul_tnl[0].tl_address)*8;
drb_p->up_dl_tnl[0].teid=newGtpuCreateTunnel(INSTANCE_DEFAULT,
f1ap_ue_context_setup_req->rnti,
drb_p->drb_id,
drb_p->drb_id,
drb_p->up_ul_tnl[0].teid,
addr,
drb_p->up_ul_tnl[0].port,
lteDURecvCb);
drb_p->up_dl_tnl[0].teid = newGtpuCreateTunnel(INSTANCE_DEFAULT,
f1ap_ue_context_setup_req->rnti,
drb_p->drb_id,
drb_p->drb_id,
drb_p->up_ul_tnl[0].teid,
-1, // no qfi
addr,
drb_p->up_ul_tnl[0].port,
lteDURecvCb,
NULL);
drb_p->up_dl_tnl_length++;
}
}
@@ -1171,14 +1173,16 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance,
transport_layer_addr_t addr;
memcpy(addr.buffer, &drb_p->up_ul_tnl[0].tl_address, sizeof(drb_p->up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p->up_ul_tnl[0].tl_address)*8;
drb_p->up_dl_tnl[0].teid=newGtpuCreateTunnel(INSTANCE_DEFAULT,
f1ap_ue_context_modification_req->rnti,
drb_p->drb_id,
drb_p->drb_id,
drb_p->up_ul_tnl[0].teid,
addr,
drb_p->up_ul_tnl[0].port,
lteDURecvCb);
drb_p->up_dl_tnl[0].teid = newGtpuCreateTunnel(INSTANCE_DEFAULT,
f1ap_ue_context_modification_req->rnti,
drb_p->drb_id,
drb_p->drb_id,
drb_p->up_ul_tnl[0].teid,
-1, // no qfi
addr,
drb_p->up_ul_tnl[0].port,
lteDURecvCb,
NULL);
drb_p->up_dl_tnl_length++;
}
}
openair2/RRC/NR/rrc_gNB.c
+23 -20
View File
@@ -1767,15 +1767,16 @@ rrc_gNB_process_RRCConnectionReestablishmentComplete(
}
}
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req;
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req={0};
/* Save e RAB information for later */
memset(&create_tunnel_req, 0, sizeof(create_tunnel_req));
for ( j = 0, i = 0; i < NB_RB_MAX; i++) {
if (ue_context_pP->ue_context.pduSession[i].status == PDU_SESSION_STATUS_ESTABLISHED || ue_context_pP->ue_context.pduSession[i].status == PDU_SESSION_STATUS_DONE) {
create_tunnel_req.pdusession_id[j] = ue_context_pP->ue_context.pduSession[i].param.pdusession_id;
create_tunnel_req.incoming_rb_id[j] = i+1;
create_tunnel_req.outgoing_teid[j] = ue_context_pP->ue_context.pduSession[i].param.gtp_teid;
// to be developped, use the first QFI only
create_tunnel_req.outgoing_qfi[j] = ue_context_pP->ue_context.pduSession[i].param.qos[0].qfi;
memcpy(create_tunnel_req.dst_addr[j].buffer,
ue_context_pP->ue_context.pduSession[i].param.upf_addr.buffer,
sizeof(uint8_t)*20);
@@ -2805,8 +2806,6 @@ rrc_gNB_decode_dcch(
SRBs[0].lcid = 2;
/*Instruction towards the DU for DRB configuration and tunnel creation*/
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req;
memset(&create_tunnel_req, 0, sizeof(gtpv1u_gnb_create_tunnel_req_t));
req->drbs_to_be_setup = malloc(1*sizeof(f1ap_drb_to_be_setup_t));
req->drbs_to_be_setup_length = 1;
f1ap_drb_to_be_setup_t *DRBs=req->drbs_to_be_setup;
@@ -3433,14 +3432,16 @@ static void rrc_DU_process_ue_context_setup_request(MessageDef *msg_p, const cha
addr.length=sizeof(drb_p.up_ul_tnl[0].tl_address)*8;
extern instance_t DUuniqInstance;
if (!drb_id_to_setup_start) drb_id_to_setup_start = drb_p.drb_id;
incoming_teid=newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
addr,
drb_p.up_ul_tnl[0].port,
DURecvCb);
incoming_teid = newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
-1, // no qfi
addr,
drb_p.up_ul_tnl[0].port,
DURecvCb,
NULL);
}
}
@@ -3572,14 +3573,16 @@ static void rrc_DU_process_ue_context_modification_request(MessageDef *msg_p, co
memcpy(addr.buffer, &drb_p.up_ul_tnl[0].tl_address, sizeof(drb_p.up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p.up_ul_tnl[0].tl_address)*8;
extern instance_t DUuniqInstance;
incoming_teid=newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
addr,
drb_p.up_ul_tnl[0].port,
DURecvCb);
incoming_teid = newGtpuCreateTunnel(DUuniqInstance,
req->rnti,
drb_p.drb_id,
drb_p.drb_id,
drb_p.up_ul_tnl[0].teid,
-1, // no qfi
addr,
drb_p.up_ul_tnl[0].port,
DURecvCb,
NULL);
}
}
openair2/RRC/NR/rrc_gNB_NGAP.c
+4 -2
View File
@@ -474,7 +474,6 @@ rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(
rrc_gNB_ue_context_t *ue_context_p = NULL;
protocol_ctxt_t ctxt={0};
uint8_t pdu_sessions_done = 0;
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req;
gtpv1u_gnb_create_tunnel_resp_t create_tunnel_resp;
uint8_t inde_list[NR_NB_RB_MAX - 3]= {0};
int ret = 0;
@@ -503,7 +502,7 @@ rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(
uint8_t nb_pdusessions_tosetup = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).nb_of_pdusessions;
if (nb_pdusessions_tosetup != 0) {
memset(&create_tunnel_req, 0, sizeof(gtpv1u_gnb_create_tunnel_req_t));
gtpv1u_gnb_create_tunnel_req_t create_tunnel_req={0};
for (int i = 0; i < NR_NB_RB_MAX - 3; i++) {
if(ue_context_p->ue_context.pduSession[i].status >= PDU_SESSION_STATUS_DONE)
continue;
@@ -512,6 +511,8 @@ rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(
create_tunnel_req.pdusession_id[pdu_sessions_done] = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).pdusession_param[pdu_sessions_done].pdusession_id;
create_tunnel_req.incoming_rb_id[pdu_sessions_done] = i+1;
create_tunnel_req.outgoing_teid[pdu_sessions_done] = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).pdusession_param[pdu_sessions_done].gtp_teid;
// To be developped: hardcoded first flow
create_tunnel_req.outgoing_qfi[pdu_sessions_done] = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).pdusession_param[pdu_sessions_done].qos[0].qfi;
create_tunnel_req.dst_addr[pdu_sessions_done].length = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).pdusession_param[pdu_sessions_done].upf_addr.length;
memcpy(create_tunnel_req.dst_addr[pdu_sessions_done].buffer,
NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).pdusession_param[pdu_sessions_done].upf_addr.buffer,
@@ -1003,6 +1004,7 @@ rrc_gNB_process_NGAP_PDUSESSION_SETUP_REQ(
create_tunnel_req.pdusession_id[pdu_sessions_done] = NGAP_PDUSESSION_SETUP_REQ(msg_p).pdusession_setup_params[pdu_sessions_done].pdusession_id;
create_tunnel_req.incoming_rb_id[pdu_sessions_done]= i+1;
create_tunnel_req.outgoing_teid[pdu_sessions_done] = NGAP_PDUSESSION_SETUP_REQ(msg_p).pdusession_setup_params[pdu_sessions_done].gtp_teid;
create_tunnel_req.outgoing_qfi[pdu_sessions_done] = NGAP_PDUSESSION_SETUP_REQ(msg_p).pdusession_setup_params[pdu_sessions_done].qos[0].qfi;
memcpy(create_tunnel_req.dst_addr[pdu_sessions_done].buffer,
NGAP_PDUSESSION_SETUP_REQ(msg_p).pdusession_setup_params[pdu_sessions_done].upf_addr.buffer,
sizeof(uint8_t)*20);
openair3/ocp-gtpu/gtp_itf.cpp
+127 -96
View File
@@ -21,8 +21,6 @@ extern "C" {
#include "openair2/SDAP/nr_sdap/nr_sdap.h"
//#include <openair1/PHY/phy_extern.h>
static bool is_gnb = false;
#pragma pack(1)
typedef struct Gtpv1uMsgHeader {
@@ -60,18 +58,21 @@ typedef struct Gtpv1uMsgHeaderOptFields {
uint8_t NextExtHeaderType;
} __attribute__((packed)) Gtpv1uMsgHeaderOptFieldsT;
typedef struct PDUSessionContainer {
#define DL_PDU_SESSION_INFORMATION 0
#define UL_PDU_SESSION_INFORMATION 1
typedef struct PDUSessionContainer {
uint8_t spare:4;
uint8_t PDU_type:4;
uint8_t QFI:6;
uint8_t RQI:1;
uint8_t PPP:1;
uint8_t Reflective_QoS_activation:1;
uint8_t Paging_Policy_Indicator:1;
} __attribute__((packed)) PDUSessionContainerT;
typedef struct Gtpv1uExtHeader {
uint8_t ExtHeaderLen;
PDUSessionContainerT pdusession_cntr;
//uint8_t NextExtHeaderType;
uint8_t NextExtHeaderType;
}__attribute__((packed)) Gtpv1uExtHeaderT;
#pragma pack()
@@ -103,6 +104,7 @@ typedef struct gtpv1u_bearer_s {
tcp_udp_port_t outgoing_port;
uint16_t seqNum;
uint8_t npduNum;
int outgoing_qfi;
} gtpv1u_bearer_t;
typedef struct {
@@ -159,75 +161,80 @@ instance_t legacyInstanceMapping=0;
#define GTPV1U_HEADER_SIZE (8)
static int gtpv1uCreateAndSendMsg(int h, uint32_t peerIp, uint16_t peerPort, int msgType, teid_t teid, uint8_t *Msg,int msgLen,
bool seqNumFlag, bool npduNumFlag, bool extHdrFlag, int seqNum, int npduNum, int extHdrType,
uint8_t *extensionHeader_buffer, uint8_t extensionHeader_length) {
#define HDR_MAX 256 // 256 is supposed to be larger than any gtp header
static int gtpv1uCreateAndSendMsg(int h,
uint32_t peerIp,
uint16_t peerPort,
int msgType,
teid_t teid,
uint8_t *Msg,
int msgLen,
bool seqNumFlag,
bool npduNumFlag,
int seqNum,
int npduNum,
int extHdrType,
uint8_t *extensionHeader_buffer,
uint8_t extensionHeader_length) {
LOG_D(GTPU, "Peer IP:%u peer port:%u outgoing teid:%u \n", peerIp, peerPort, teid);
int headerAdditional=0;
if ( seqNumFlag || npduNumFlag || extHdrFlag)
headerAdditional=4;
int fullSize=GTPV1U_HEADER_SIZE+headerAdditional+msgLen+extensionHeader_length;
uint8_t buffer[fullSize];
uint8_t buffer[msgLen+HDR_MAX];
uint8_t *curPtr=buffer;
Gtpv1uMsgHeaderT *msgHdr = (Gtpv1uMsgHeaderT *)buffer ;
// N should be 0 for us (it was used only in 2G and 3G)
msgHdr->PN=npduNumFlag;
msgHdr->S=seqNumFlag;
msgHdr->E=extHdrFlag;
msgHdr->E = extHdrType;
msgHdr->spare=0;
//PT=0 is for GTP' TS 32.295 (charging)
msgHdr->PT=1;
msgHdr->version=1;
msgHdr->msgType=msgType;
msgHdr->msgLength=htons(msgLen+extensionHeader_length);
if ( seqNumFlag || extHdrFlag || npduNumFlag)
msgHdr->msgLength+=htons(4);
msgHdr->msgLength = htons(msgLen + extensionHeader_length);
msgHdr->teid=htonl(teid);
if(seqNumFlag || extHdrFlag || npduNumFlag) {
*((uint16_t *) (buffer+8)) = seqNumFlag ? seqNum : 0x0000;
*((uint8_t *) (buffer+10)) = npduNumFlag ? npduNum : 0x00;
*((uint8_t *) (buffer+11)) = extHdrFlag ? extHdrType : 0x00;
curPtr+=sizeof(Gtpv1uMsgHeaderT);
/**(buffer+8) = seqNumFlag ? htons(seqNum) : 0x0000;
*(buffer+10) = npduNumFlag ? htons(npduNum) : 0x00;
*(buffer+11) = extHdrFlag ? htons(extHdrType) : 0x00;
*(buffer+11) = extHdrType;*/
if (seqNumFlag || (extHdrType != NO_MORE_EXT_HDRS) || npduNumFlag) {
msgHdr->msgLength += htons(4);
*(uint16_t *)curPtr = seqNumFlag ? seqNum : 0x0000;
curPtr+=sizeof(uint16_t);
*(uint8_t *)curPtr = npduNumFlag ? npduNum : 0x00;
curPtr++;
*(uint8_t *)curPtr = extHdrType;
curPtr++;
}
if(extHdrFlag){
while (extHdrType){
if (extensionHeader_length > 0 && extHdrType == 0x84){
memcpy(buffer+GTPV1U_HEADER_SIZE+headerAdditional, extensionHeader_buffer, extensionHeader_length);
LOG_D(GTPU, "Extension Header for DDD added. The length is: %d, extension header type is: %x \n", extensionHeader_length, *((uint8_t *) (buffer+11)));
extHdrType = extensionHeader_buffer[extensionHeader_length -1];
LOG_D(GTPU, "Next extension header type is: %x \n", *((uint8_t *) (buffer+11)));
}
else {
LOG_W(GTPU, "Extension header type not supported, returning... \n");
return GTPNOK;
}
// Bug: if there is more than one extension, infinite loop on extensionHeader_buffer
while (extHdrType != NO_MORE_EXT_HDRS) {
if (extensionHeader_length > 0) {
memcpy(curPtr, extensionHeader_buffer, extensionHeader_length);
curPtr += extensionHeader_length;
LOG_D(GTPU, "Extension Header for DDD added. The length is: %d, extension header type is: %x \n", extensionHeader_length, *((uint8_t *)(buffer + 11)));
extHdrType = extensionHeader_buffer[extensionHeader_length - 1];
LOG_D(GTPU, "Next extension header type is: %x \n", *((uint8_t *)(buffer + 11)));
} else {
LOG_W(GTPU, "Extension header type not supported, returning... \n");
}
}
if (Msg!= NULL){
memcpy(buffer+GTPV1U_HEADER_SIZE+headerAdditional+extensionHeader_length, Msg, msgLen);
memcpy(curPtr, Msg, msgLen);
curPtr+=msgLen;
}
AssertFatal(curPtr-(buffer+msgLen) < HDR_MAX, "");
// Fix me: add IPv6 support, using flag ipVersion
static struct sockaddr_in to= {0};
to.sin_family = AF_INET;
to.sin_port = htons(peerPort);
to.sin_addr.s_addr = peerIp ;
LOG_D(GTPU,"sending packet size: %d to %s\n",fullSize, inet_ntoa(to.sin_addr) );
LOG_D(GTPU,"sending packet size: %ld to %s\n",curPtr-buffer, inet_ntoa(to.sin_addr) );
int ret;
if ((ret=sendto(h, (void *)buffer, (size_t)fullSize, 0,(struct sockaddr *)&to, sizeof(to) )) != fullSize ) {
LOG_E(GTPU, "[SD %d] Failed to send data to " IPV4_ADDR " on port %d, buffer size %u, ret: %d, errno: %d\n",
h, IPV4_ADDR_FORMAT(peerIp), peerPort, fullSize, ret, errno);
if ((ret=sendto(h, (void *)buffer, curPtr-buffer, 0,(struct sockaddr *)&to, sizeof(to) )) != curPtr-buffer ) {
LOG_E(GTPU, "[SD %d] Failed to send data to " IPV4_ADDR " on port %d, buffer size %lu, ret: %d, errno: %d\n",
h, IPV4_ADDR_FORMAT(peerIp), peerPort, curPtr-buffer, ret, errno);
return GTPNOK;
}
@@ -269,12 +276,8 @@ static void gtpv1uSend(instance_t instance, gtpv1u_enb_tunnel_data_req_t *req, b
// copy to release the mutex
gtpv1u_bearer_t tmp=ptr2->second;
pthread_mutex_unlock(&globGtp.gtp_lock);
gtpv1uCreateAndSendMsg(compatInst(instance),
tmp.outgoing_ip_addr,
tmp.outgoing_port,
GTP_GPDU,
tmp.teid_outgoing,
buffer, length, seqNumFlag, npduNumFlag, false, tmp.seqNum, tmp.npduNum, 0, NULL, 0) ;
gtpv1uCreateAndSendMsg(
compatInst(instance), tmp.outgoing_ip_addr, tmp.outgoing_port, GTP_GPDU, tmp.teid_outgoing, buffer, length, seqNumFlag, npduNumFlag, tmp.seqNum, tmp.npduNum, NO_MORE_EXT_HDRS, NULL, 0);
}
static void gtpv1uSend2(instance_t instance, gtpv1u_gnb_tunnel_data_req_t *req, bool seqNumFlag, bool npduNumFlag) {
@@ -312,12 +315,35 @@ static void gtpv1uSend2(instance_t instance, gtpv1u_gnb_tunnel_data_req_t *req,
// copy to release the mutex
gtpv1u_bearer_t tmp=ptr2->second;
pthread_mutex_unlock(&globGtp.gtp_lock);
gtpv1uCreateAndSendMsg(compatInst(instance),
tmp.outgoing_ip_addr,
tmp.outgoing_port,
GTP_GPDU,
tmp.teid_outgoing,
buffer, length, seqNumFlag, npduNumFlag, false, tmp.seqNum, tmp.npduNum, 0, NULL, 0) ;
if (tmp.outgoing_qfi != -1) {
Gtpv1uExtHeaderT ext = { 0 };
ext.ExtHeaderLen = 1; // in quad bytes EXT_HDR_LNTH_OCTET_UNITS
ext.pdusession_cntr.spare = 0;
ext.pdusession_cntr.PDU_type = UL_PDU_SESSION_INFORMATION;
ext.pdusession_cntr.QFI = tmp.outgoing_qfi;
ext.pdusession_cntr.Reflective_QoS_activation = false;
ext.pdusession_cntr.Paging_Policy_Indicator = false;
ext.NextExtHeaderType = NO_MORE_EXT_HDRS;
gtpv1uCreateAndSendMsg(compatInst(instance),
tmp.outgoing_ip_addr,
tmp.outgoing_port,
GTP_GPDU,
tmp.teid_outgoing,
buffer,
length,
seqNumFlag,
npduNumFlag,
tmp.seqNum,
tmp.npduNum,
PDU_SESSION_CONTAINER,
(uint8_t *)&ext,
sizeof(ext));
} else {
gtpv1uCreateAndSendMsg(
compatInst(instance), tmp.outgoing_ip_addr, tmp.outgoing_port, GTP_GPDU, tmp.teid_outgoing, buffer, length, seqNumFlag, npduNumFlag, tmp.seqNum, tmp.npduNum, NO_MORE_EXT_HDRS, NULL, 0);
}
}
static void fillDlDeliveryStatusReport(extensionHeader_t *extensionHeader, uint32_t RLC_buffer_availability, uint32_t NR_PDCP_PDU_SN){
@@ -379,13 +405,8 @@ static void gtpv1uSendDlDeliveryStatus(instance_t instance, gtpv1u_DU_buffer_rep
// copy to release the mutex
gtpv1u_bearer_t tmp=ptr2->second;
pthread_mutex_unlock(&globGtp.gtp_lock);
gtpv1uCreateAndSendMsg(compatInst(instance),
tmp.outgoing_ip_addr,
tmp.outgoing_port,
GTP_GPDU,
tmp.teid_outgoing,
NULL, 0, false, false, true, 0, 0, 0x84, extensionHeader->buffer, extensionHeader->length) ;
gtpv1uCreateAndSendMsg(
compatInst(instance), tmp.outgoing_ip_addr, tmp.outgoing_port, GTP_GPDU, tmp.teid_outgoing, NULL, 0, false, false, 0, 0, NR_RAN_CONTAINER, extensionHeader->buffer, extensionHeader->length);
}
static void gtpv1uEndTunnel(instance_t instance, gtpv1u_enb_tunnel_data_req_t *req) {
@@ -567,8 +588,16 @@ void GtpuUpdateTunnelOutgoingTeid(instance_t instance, rnti_t rnti, ebi_t bearer
return;
}
teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer_id, int outgoing_bearer_id, teid_t outgoing_teid,
transport_layer_addr_t remoteAddr, int port, gtpCallback callBack) {
teid_t newGtpuCreateTunnel(instance_t instance,
rnti_t rnti,
int incoming_bearer_id,
int outgoing_bearer_id,
teid_t outgoing_teid,
int outgoing_qfi,
transport_layer_addr_t remoteAddr,
int port,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP) {
pthread_mutex_lock(&globGtp.gtp_lock);
instance=compatInst(instance);
auto inst=&globGtp.instances[instance];
@@ -593,8 +622,8 @@ teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer
inst->te2ue_mapping[incoming_teid].outgoing_teid= outgoing_teid;
inst->te2ue_mapping[incoming_teid].callBack=callBack;
inst->te2ue_mapping[incoming_teid].callBackSDAP = sdap_data_req;
inst->te2ue_mapping[incoming_teid].callBackSDAP = callBackSDAP;
inst->te2ue_mapping[incoming_teid].pdusession_id = (uint8_t)outgoing_bearer_id;
@@ -625,6 +654,7 @@ teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer
tmp->teid_incoming = incoming_teid;
tmp->outgoing_port=port;
tmp->teid_outgoing= outgoing_teid;
tmp->outgoing_qfi=outgoing_qfi;
pthread_mutex_unlock(&globGtp.gtp_lock);
char ip4[INET_ADDRSTRLEN];
char ip6[INET6_ADDRSTRLEN];
@@ -653,12 +683,16 @@ int gtpv1u_create_s1u_tunnel(instance_t instance,
"From legacy code not clear, seems impossible (bearer=%d)\n",
create_tunnel_req->eps_bearer_id[i]);
int incoming_rb_id=create_tunnel_req->eps_bearer_id[i]-4;
teid_t teid=newGtpuCreateTunnel(compatInst(instance), create_tunnel_req->rnti,
incoming_rb_id,
create_tunnel_req->eps_bearer_id[i],
create_tunnel_req->sgw_S1u_teid[i],
create_tunnel_req->sgw_addr[i], dstport,
pdcp_data_req);
teid_t teid = newGtpuCreateTunnel(compatInst(instance),
create_tunnel_req->rnti,
incoming_rb_id,
create_tunnel_req->eps_bearer_id[i],
create_tunnel_req->sgw_S1u_teid[i],
-1, // no pdu session in 4G
create_tunnel_req->sgw_addr[i],
dstport,
pdcp_data_req,
NULL);
create_tunnel_resp->status=0;
create_tunnel_resp->rnti=create_tunnel_req->rnti;
create_tunnel_resp->num_tunnels=create_tunnel_req->num_tunnels;
@@ -715,15 +749,18 @@ int gtpv1u_create_ngu_tunnel( const instance_t instance,
create_tunnel_req->rnti,
create_tunnel_req->num_tunnels,
create_tunnel_req->outgoing_teid[0]);
tcp_udp_port_t dstport=globGtp.instances[compatInst(instance)].get_dstport();
is_gnb = true;
tcp_udp_port_t dstport = globGtp.instances[compatInst(instance)].get_dstport();
for (int i = 0; i < create_tunnel_req->num_tunnels; i++) {
teid_t teid=newGtpuCreateTunnel(instance, create_tunnel_req->rnti,
create_tunnel_req->incoming_rb_id[i],
create_tunnel_req->pdusession_id[i],
create_tunnel_req->outgoing_teid[i],
create_tunnel_req->dst_addr[i], dstport,
pdcp_data_req);
teid_t teid = newGtpuCreateTunnel(instance,
create_tunnel_req->rnti,
create_tunnel_req->incoming_rb_id[i],
create_tunnel_req->pdusession_id[i],
create_tunnel_req->outgoing_teid[i],
create_tunnel_req->outgoing_qfi[i],
create_tunnel_req->dst_addr[i],
dstport,
pdcp_data_req,
sdap_data_req);
create_tunnel_resp->status=0;
create_tunnel_resp->rnti=create_tunnel_req->rnti;
create_tunnel_resp->num_tunnels=create_tunnel_req->num_tunnels;
@@ -853,9 +890,7 @@ static int Gtpv1uHandleEchoReq(int h,
uint16_t seq=ntohs(*(uint16_t *)(msgHdr+1));
LOG_D(GTPU, "[%d] Received a echo request, TEID: %d, seq: %hu\n", h, msgHdr->teid, seq);
uint8_t recovery[2]= {14,0};
return gtpv1uCreateAndSendMsg(h, peerIp, peerPort, GTP_ECHO_RSP, ntohl(msgHdr->teid),
recovery, sizeof recovery,
1, 0, 0, seq, 0, 0, NULL, 0);
return gtpv1uCreateAndSendMsg(h, peerIp, peerPort, GTP_ECHO_RSP, ntohl(msgHdr->teid), recovery, sizeof recovery, true, false, seq, 0, NO_MORE_EXT_HDRS, NULL, 0);
}
static int Gtpv1uHandleError(int h,
@@ -968,7 +1003,7 @@ static int Gtpv1uHandleGpdu(int h,
//Minimum length of GTP-U header if non of the optional fields are present
int offset = sizeof(Gtpv1uMsgHeaderT);
uint8_t qfi = 0;
uint8_t qfi = -1;
bool rqi = false;
uint32_t NR_PDCP_PDU_SN = 0;
@@ -986,7 +1021,7 @@ static int Gtpv1uHandleGpdu(int h,
case PDU_SESSION_CONTAINER: {
PDUSessionContainerT *pdusession_cntr = (PDUSessionContainerT *)(msgBuf + offset + 1);
qfi = pdusession_cntr->QFI;
rqi = pdusession_cntr->RQI;
rqi = pdusession_cntr->Reflective_QoS_activation;
break;
}
case NR_RAN_CONTAINER: {
@@ -1047,7 +1082,7 @@ static int Gtpv1uHandleGpdu(int h,
const uint32_t destinationL2Id=0;
pthread_mutex_unlock(&globGtp.gtp_lock);
if(is_gnb && qfi){
if (qfi != -1 && tunnel->second.callBackSDAP) {
if ( !tunnel->second.callBackSDAP(&ctxt,
srb_flag,
rb_id,
@@ -1106,12 +1141,8 @@ static int Gtpv1uHandleGpdu(int h,
* 1 octet for padding + 1 octet for next extension header type,
* according to TS 38.425: Fig. 5.5.2.2-1 and section 5.5.3.24*/
extensionHeader->length = 1+sizeof(DlDataDeliveryStatus_flagsT)+3+1+1;
gtpv1uCreateAndSendMsg(h,
peerIp,
peerPort,
GTP_GPDU,
inst->te2ue_mapping[ntohl(msgHdr->teid)].outgoing_teid,
NULL, 0, false, false, true, 0, 0, 0x84, extensionHeader->buffer, extensionHeader->length) ;
gtpv1uCreateAndSendMsg(
h, peerIp, peerPort, GTP_GPDU, inst->te2ue_mapping[ntohl(msgHdr->teid)].outgoing_teid, NULL, 0, false, false, 0, 0, NR_RAN_CONTAINER, extensionHeader->buffer, extensionHeader->length);
}
LOG_D(GTPU,"[%d] Received a %d bytes packet for: teid:%x\n", h,
openair3/ocp-gtpu/gtp_itf.h
+10 -2
View File
@@ -66,8 +66,16 @@ int gtpv1u_create_x2u_tunnel(
// New API
teid_t newGtpuCreateTunnel(instance_t instance, rnti_t rnti, int incoming_bearer_id, int outgoing_rb_id, teid_t teid,
transport_layer_addr_t remoteAddr, int port, gtpCallback callBack);
teid_t newGtpuCreateTunnel(instance_t instance,
rnti_t rnti,
int incoming_bearer_id,
int outgoing_rb_id,
teid_t teid,
int outgoing_qfi,
transport_layer_addr_t remoteAddr,
int port,
gtpCallback callBack,
gtpCallbackSDAP callBackSDAP);
void GtpuUpdateTunnelOutgoingTeid(instance_t instance, rnti_t rnti, ebi_t bearer_id, teid_t newOutgoingTeid);
int newGtpuDeleteAllTunnels(instance_t instance, rnti_t rnti);
int newGtpuDeleteTunnels(instance_t instance, rnti_t rnti, int nbTunnels, pdusessionid_t *pdusession_id);