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OpenXG-RAN
Commit b8005ed0 authored by laurent's avatar laurent
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more code

parent 740a68bf
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Showing with 136 additions and 51 deletions
executables/dl_fs6.c
View file @ b8005ed0
......@@ -4,7 +4,7 @@
#include <executables/split_headers.h>
#define FS6_BUF_SIZE 100*1000
static int sockFS6;
static UDPsock_t sockFS6;
#if 0
void pdsch_procedures(PHY_VARS_eNB *eNB,
......@@ -66,14 +66,26 @@ void pdsch_procedures(PHY_VARS_eNB *eNB,
dlsch->active = 0;
dlsch_harq->round++;
}
#endif
phy_procedures_eNB_TX_fs6(int sockFS6, uint64_t TS) {
uint8_t bufferZone[FS6_BUF_SIZE];
receiveSubFrame(sockFS6, TS, bufferZone, sizeof(bufferZone) );
void phy_procedures_eNB_TX_process(uint8_t *bufferZone, int bufSize, PHY_VARS_eNB *eNB, L1_rxtx_proc_t *proc, int do_meas ) {
// We got
// subframe number
//
int frame=proc->frame_tx;
int subframe=proc->subframe_tx;
uint32_t i,aa;
uint8_t harq_pid;
int16_t UE_id=0;
uint8_t num_pdcch_symbols=0;
uint8_t num_dci=0;
#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
uint8_t num_mdci = 0;
#endif
uint8_t ul_subframe;
uint32_t ul_frame;
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
LTE_UL_eNB_HARQ_t *ulsch_harq;
for (int aa = 0; aa < fp->nb_antenna_ports_eNB; aa++) {
memset (&eNB->common_vars.txdataF[aa][subframe * fp->ofdm_symbol_size * fp->symbols_per_tti],
......@@ -165,6 +177,7 @@ phy_procedures_eNB_TX_fs6(int sockFS6, uint64_t TS) {
harq_pid,UE_id,frame,subframe,dlsch0->rnti);
} else {
// generate pdsch
/*
pdsch_procedures_fs6(eNB,
proc,
harq_pid,
......@@ -172,6 +185,7 @@ phy_procedures_eNB_TX_fs6(int sockFS6, uint64_t TS) {
dlsch1,
&eNB->UE_stats[(uint32_t)UE_id],
0);
*/
}
} else if ((dlsch0)&&(dlsch0->rnti>0)&&
(dlsch0->active == 0)
......@@ -185,21 +199,32 @@ phy_procedures_eNB_TX_fs6(int sockFS6, uint64_t TS) {
proc,
AMP);
}
#endif
void prach_eNB_extract(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe) {
void prach_eNB_extract(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe, uint8_t *buf, int bufSize) {
commonUDP_t *header=(commonUDP_t *) buf;
header->contentBytes=1000;
header->nbBlocks=1;
return;
}
void prach_eNB_process(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe) {
}
void phy_procedures_eNB_uespec_RX_extract(PHY_VARS_eNB *phy_vars_eNB,L1_rxtx_proc_t *proc) {
void phy_procedures_eNB_uespec_RX_extract(PHY_VARS_eNB *phy_vars_eNB,L1_rxtx_proc_t *proc, uint8_t *buf, int bufSize) {
commonUDP_t *header=(commonUDP_t *) buf;
header->contentBytes=1000;
header->nbBlocks=1;
return;
}
void phy_procedures_eNB_uespec_RX_process(PHY_VARS_eNB *phy_vars_eNB,L1_rxtx_proc_t *proc) {
}
void phy_procedures_eNB_TX_fs6() {
void phy_procedures_eNB_TX_extract(PHY_VARS_eNB *eNB, L1_rxtx_proc_t *proc, int do_meas, uint8_t *buf, int bufSize) {
commonUDP_t *header=(commonUDP_t *) buf;
header->contentBytes=1000;
header->nbBlocks=1;
return;
}
void DL_du_fs6(RU_t *ru, int frame, int subframe, uint64_t TS) {
......@@ -207,10 +232,10 @@ void DL_du_fs6(RU_t *ru, int frame, int subframe, uint64_t TS) {
for (int i=0; i<ru->num_eNB; i++) {
uint8_t bufferZone[FS6_BUF_SIZE];
receiveSubFrame(sockFS6, TS, bufferZone, sizeof(bufferZone) );
receiveSubFrame(&sockFS6, TS, bufferZone, sizeof(bufferZone) );
phy_procedures_eNB_TX_process( bufferZone, sizeof(bufferZone), ru->eNB_list[i], &ru->eNB_list[i]->proc.L1_proc, 1);
}
phy_procedures_eNB_TX_fs6();
/* Fixme: datamodel issue: a ru is supposed to be connected to several eNB
L1_rxtx_proc_t * L1_proc = &proc->L1_proc;
ru_proc->timestamp_tx = L1_proc->timestamp_tx;
......@@ -244,14 +269,14 @@ void UL_du_fs6(RU_t *ru, int frame, int subframe) {
}
uint8_t bufferZone[FS6_BUF_SIZE];
prach_eNB_extract(eNB,NULL,proc->frame_rx,proc->subframe_rx);
prach_eNB_extract(eNB,NULL,proc->frame_rx,proc->subframe_rx, bufferZone, FS6_BUF_SIZE);
if (NFAPI_MODE==NFAPI_MONOLITHIC || NFAPI_MODE==NFAPI_MODE_PNF) {
phy_procedures_eNB_uespec_RX_extract(eNB, &proc->L1_proc);
phy_procedures_eNB_uespec_RX_extract(eNB, &proc->L1_proc, bufferZone, FS6_BUF_SIZE);
}
for (int i=0; i<ru->num_eNB; i++) {
sendSubFrame(sockFS6,bufferZone, sizeof(bufferZone) );
sendSubFrame(&sockFS6,bufferZone);
}
}
......@@ -267,13 +292,13 @@ void DL_cu_fs6(RU_t *ru,int frame, int subframe) {
eNB->if_inst->UL_indication(&eNB->UL_INFO);
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
uint8_t bufferZone[FS6_BUF_SIZE];
phy_procedures_eNB_TX(eNB, &proc->L1_proc, 1);
sendSubFrame(sockFS6, bufferZone, sizeof(bufferZone) );
phy_procedures_eNB_TX_extract(eNB, &proc->L1_proc, 1, bufferZone, FS6_BUF_SIZE);
sendSubFrame(&sockFS6, bufferZone );
}
void UL_cu_fs6(RU_t *ru,int frame, int subframe, uint64_t TS) {
uint8_t bufferZone[FS6_BUF_SIZE];
receiveSubFrame(sockFS6, TS, bufferZone, sizeof(bufferZone) );
receiveSubFrame(&sockFS6, TS, bufferZone, sizeof(bufferZone) );
// Fixme: datamodel issue
PHY_VARS_eNB *eNB = RC.eNB[0][0];
L1_proc_t *proc = &eNB->proc;
......@@ -289,8 +314,11 @@ void *cu_fs6(void *arg) {
RU_t *ru = (RU_t *)arg;
RU_proc_t *proc = &ru->proc;
int64_t AbsoluteSubframe=-1;
fill_rf_config(ru,ru->rf_config_file);
init_frame_parms(&ru->frame_parms,1);
phy_init_RU(ru);
wait_sync("ru_thread");
AssertFatal(createUDPsock(NULL, "8888", "127.0.0.1", "7777", &sockFS6), "");
while(1) {
AbsoluteSubframe++;
......@@ -312,6 +340,7 @@ void *du_fs6(void *arg) {
phy_init_RU(ru);
openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
wait_sync("ru_thread");
AssertFatal(createUDPsock(NULL, "7777", "127.0.0.1", "8888", &sockFS6),"");
while(1) {
AbsoluteSubframe++;
......
executables/main-ocp.c
View file @ b8005ed0
......@@ -107,9 +107,9 @@ void init_RU_proc(RU_t *ru) {
char *fs6=getenv("fs6");
if (fs6) {
if ( strncasecmp(fs6,"cu", 2) )
if ( strncasecmp(fs6,"cu", 2) == 0 )
threadCreate(&t, cu_fs6, (void *)ru, "MainCu", -1, OAI_PRIORITY_RT_MAX);
else if ( strncasecmp(fs6,"du", 2) )
else if ( strncasecmp(fs6,"du", 2) == 0 )
threadCreate(&t, du_fs6, (void *)ru, "MainDu", -1, OAI_PRIORITY_RT_MAX);
else
AssertFatal(false, "environement variable fs6 is not cu or du");
......
executables/split_headers.h
View file @ b8005ed0
......@@ -2,12 +2,22 @@
#define __SPLIT_HEADERS_H
#include <stdint.h>
#include <stdbool.h>
#include <openair1/PHY/defs_eNB.h>
#define MTU 65536
#define UDP_TIMEOUT 100000L // in nano second
#define MAX_BLOCKS 16
#define blockAlign 32 //bytes
typedef struct {
char *sourceIP;
char *sourcePort;
char *destIP;
char *destPort;
struct addrinfo *destAddr;
int sockHandler;
} UDPsock_t;
typedef struct commonUDP_s {
uint64_t timestamp; // id of the group (subframe for LTE)
uint16_t nbBlocks; // total number of blocks for this timestamp
......@@ -24,9 +34,9 @@ typedef struct frequency_s {
int nbSamples;
} frequency_t;
int createListner (int port);
int receiveSubFrame(int sock, uint64_t expectedTS, void *bufferZone, int bufferSize);
int sendSubFrame(int sock, void *bufferZone, int nbBlocks);
bool createUDPsock (char *sourceIP, char *sourcePort, char *destIP, char *destPort, UDPsock_t *result);
int receiveSubFrame(UDPsock_t *sock, uint64_t expectedTS, void *bufferZone, int bufferSize);
int sendSubFrame(UDPsock_t *sock, void *bufferZone);
inline size_t alignedSize(void *ptr) {
commonUDP_t *header=(commonUDP_t *) ptr;
return ((header->contentBytes+sizeof(commonUDP_t)+blockAlign-1)/blockAlign)*blockAlign;
......@@ -37,6 +47,8 @@ void *du_fs6(void *arg);
void fill_rf_config(RU_t *ru, char *rf_config_file);
void rx_rf(RU_t *ru,int *frame,int *subframe);
void tx_rf(RU_t *ru);
void common_signal_procedures (PHY_VARS_eNB *eNB,int frame, int subframe);
void pmch_procedures(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc);
// mistakes in main OAI
void phy_init_RU(RU_t *);
......
executables/transport_split.c
View file @ b8005ed0
......@@ -3,40 +3,79 @@
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/udp.h>
#include <netdb.h>
bool createUDPsock (char *sourceIP, char *sourcePort, char *destIP, char *destPort, UDPsock_t *result) {
struct addrinfo hints= {0}, *servinfo, *p;
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_PASSIVE;
int status;
if ((status = getaddrinfo(sourceIP, sourcePort, &hints, &servinfo)) != 0) {
LOG_E(GTPU,"getaddrinfo error: %s\n", gai_strerror(status));
return false;
}
// loop through all the results and bind to the first we can
for(p = servinfo; p != NULL; p = p->ai_next) {
if ((result->sockHandler = socket(p->ai_family, p->ai_socktype,
p->ai_protocol)) == -1) {
LOG_W(GTPU,"socket: %s\n", strerror(errno));
continue;
}
if (bind(result->sockHandler, p->ai_addr, p->ai_addrlen) == -1) {
close(result->sockHandler);
LOG_W(GTPU,"bind: %s\n", strerror(errno));
continue;
}
break; // if we get here, we must have connected successfully
}
if (p == NULL) {
// looped off the end of the list with no successful bind
LOG_E(GTPU,"failed to bind socket: %s %s \n",sourceIP,sourcePort);
return false;
}
freeaddrinfo(servinfo); // all done with this structure
if ((status = getaddrinfo(destIP, destPort, &hints, &servinfo)) != 0) {
LOG_E(GTPU,"getaddrinfo error: %s\n", gai_strerror(status));
return false;
}
if (servinfo) {
result->destAddr=servinfo;
} else {
LOG_E(PHY,"No valid UDP addr: %s:%s\n",destIP, destPort);
return false;
}
int createListner (int port) {
int sock;
AssertFatal((sock=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) >= 0, "");
struct sockaddr_in addr = {
sin_family:
AF_INET,
sin_port:
htons(port),
sin_addr:
{ s_addr: INADDR_ANY }
};
int enable=1;
AssertFatal(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable))==0,"");
AssertFatal(bind(sock, (const struct sockaddr *) &addr, sizeof(addr))==0,"");
AssertFatal(setsockopt(result->sockHandler, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable))==0,"");
struct timeval tv= {0,UDP_TIMEOUT};
AssertFatal(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,&tv,sizeof(tv)) ==0,"");
AssertFatal(setsockopt(result->sockHandler, SOL_SOCKET, SO_RCVTIMEO,&tv,sizeof(tv)) ==0,"");
// Make a send/recv buffer larger than a a couple of subframe
// so the kernel will store for us in and out paquets
int buff=1000*1000*10;
AssertFatal ( setsockopt(sock, SOL_SOCKET, SO_SNDBUF, &buff, sizeof(buff)) == 0, "");
AssertFatal ( setsockopt(sock, SOL_SOCKET, SO_RCVBUF, &buff, sizeof(buff)) == 0, "");
AssertFatal ( setsockopt(result->sockHandler, SOL_SOCKET, SO_SNDBUF, &buff, sizeof(buff)) == 0, "");
AssertFatal ( setsockopt(result->sockHandler, SOL_SOCKET, SO_RCVBUF, &buff, sizeof(buff)) == 0, "");
return true;
}
// sock: udp socket
// expectedTS: the expected timestamp, 0 if unknown
// bufferZone: a reception area of bufferSize
int receiveSubFrame(int sock, uint64_t expectedTS, void *bufferZone, int bufferSize) {
int receiveSubFrame(UDPsock_t *sock, uint64_t expectedTS, void *bufferZone, int bufferSize) {
int rcved=0;
commonUDP_t *tmp=NULL;
do {
//read all subframe data from the control unit
int ret=recv(sock, bufferZone, bufferSize, 0);
int ret=recv(sock->sockHandler, bufferZone, bufferSize, 0);
if ( ret==-1) {
if ( errno == EWOULDBLOCK || errno== EINTR ) {
......@@ -60,14 +99,19 @@ int receiveSubFrame(int sock, uint64_t expectedTS, void *bufferZone, int buffer
return rcved;
}
int sendSubFrame(int sock, void *bufferZone, int nbBlocks) {
int sendSubFrame(UDPsock_t *sock, void *bufferZone) {
commonUDP_t *header=(commonUDP_t *)bufferZone ;
int nbBlocks=header->nbBlocks;
do {
int sz=alignedSize(bufferZone);
int ret=send(sock, bufferZone, sz, 0);
// Let's use the first address returned by getaddrinfo()
int ret=sendto(sock->sockHandler, bufferZone, sz, 0,
sock->destAddr->ai_addr, sock->destAddr->ai_addrlen);
if ( ret != sz )
LOG_W(HW,"Wrote socket doesn't return size %d (val: %d, errno:%d)\n",
sz, ret, errno);
LOG_W(HW,"Wrote socket doesn't return size %d (val: %d, errno:%d, %s)\n",
sz, ret, errno, strerror(errno));
bufferZone+=sz;
nbBlocks--;
......
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