Merge branch 'develop-nr' into nr_100mhz

This commit is contained in:
Francesco Mani
2019-11-19 15:57:09 +01:00
54 changed files with 2615 additions and 973 deletions
+1 -1
View File
@@ -126,7 +126,7 @@ int load_lib(openair0_device *device,
libname=OAI_RFSIM_LIBNAME;
shlib_fdesc[0].fname="device_init";
} else if (flag == RAU_LOCAL_RADIO_HEAD) {
if (getenv("RFSIMULATOR") != NULL)
if (IS_SOFTMODEM_RFSIM)
libname="rfsimulator";
else
libname=OAI_RF_LIBNAME;
+114 -68
View File
@@ -70,8 +70,8 @@ typedef struct complex16 sample_t; // 2*16 bits complex number
typedef struct buffer_s {
int conn_sock;
openair0_timestamp lastReceivedTS;
openair0_timestamp lastWroteTS;
bool headerMode;
bool trashingPacket;
samplesBlockHeader_t th;
char *transferPtr;
uint64_t remainToTransfer;
@@ -83,6 +83,7 @@ typedef struct buffer_s {
typedef struct {
int listen_sock, epollfd;
openair0_timestamp nextTimestamp;
openair0_timestamp lastWroteTS;
uint64_t typeStamp;
char *ip;
uint16_t port;
@@ -102,11 +103,11 @@ void allocCirBuf(rfsimulator_state_t *bridge, int sock) {
ptr->circularBufEnd=((char *)ptr->circularBuf)+sampleToByte(CirSize,1);
ptr->conn_sock=sock;
ptr->lastReceivedTS=0;
ptr->lastWroteTS=0;
ptr->headerMode=true;
ptr->trashingPacket=false;
ptr->transferPtr=(char *)&ptr->th;
ptr->remainToTransfer=sizeof(samplesBlockHeader_t);
int sendbuff=1000*1000*10;
int sendbuff=1000*1000*100;
AssertFatal ( setsockopt(sock, SOL_SOCKET, SO_SNDBUF, &sendbuff, sizeof(sendbuff)) == 0, "");
struct epoll_event ev= {0};
ev.events = EPOLLIN | EPOLLRDHUP;
@@ -183,7 +184,7 @@ void setblocking(int sock, enum blocking_t active) {
AssertFatal(fcntl(sock, F_SETFL, opts) >= 0, "");
}
static bool flushInput(rfsimulator_state_t *t, int timeout);
static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps);
void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) {
if (t->saveIQfile != -1) {
@@ -207,7 +208,8 @@ void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) {
if(errno==EAGAIN) {
// The opposite side is saturated
// we read incoming sockets meawhile waiting
flushInput(t, 5);
//flushInput(t, 5);
usleep(500);
continue;
} else
return;
@@ -218,8 +220,6 @@ void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) {
}
}
void rfsimulator_readconfig(rfsimulator_state_t *rfsimulator) {
char *saveF=NULL;
char *modelname=NULL;
@@ -316,19 +316,18 @@ sin_addr:
return 0;
}
int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags) {
rfsimulator_state_t *t = device->priv;
static int rfsimulator_write_internal(rfsimulator_state_t *t, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags, bool alreadyLocked) {
if (!alreadyLocked)
pthread_mutex_lock(&Sockmutex);
LOG_D(HW,"sending %d samples at time: %ld\n", nsamps, timestamp);
for (int i=0; i<FD_SETSIZE; i++) {
buffer_t *b=&t->buf[i];
if (b->conn_sock >= 0 ) {
if ( abs((double)b->lastWroteTS-timestamp) > (double)CirSize )
LOG_E(HW,"Tx/Rx shift too large Tx:%lu, Rx:%lu\n", b->lastWroteTS, b->lastReceivedTS);
samplesBlockHeader_t header= {t->typeStamp, nsamps, nbAnt, timestamp};
fullwrite(b->conn_sock, &header, sizeof(header), t);
fullwrite(b->conn_sock,&header, sizeof(header), t);
sample_t tmpSamples[nsamps][nbAnt];
for(int a=0; a<nbAnt; a++) {
@@ -340,21 +339,30 @@ int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, voi
if (b->conn_sock >= 0 ) {
fullwrite(b->conn_sock, (void *)tmpSamples, sampleToByte(nsamps,nbAnt), t);
b->lastWroteTS=timestamp+nsamps;
}
}
}
if ( t->lastWroteTS != 0 && abs((double)t->lastWroteTS-timestamp) > (double)CirSize)
LOG_E(HW,"Discontinuous TX gap too large Tx:%lu, %lu\n", t->lastWroteTS, timestamp);
AssertFatal(t->lastWroteTS <= timestamp+1, " Not supported to send Tx out of order (same in USRP) %lu, %lu\n",
t->lastWroteTS, timestamp);
t->lastWroteTS=timestamp+nsamps;
if (!alreadyLocked)
pthread_mutex_unlock(&Sockmutex);
LOG_D(HW,"sent %d samples at time: %ld->%ld, energy in first antenna: %d\n",
nsamps, timestamp, timestamp+nsamps, signal_energy(samplesVoid[0], nsamps) );
// Let's verify we don't have incoming data
// This is mandatory when the opposite side doesn't transmit
flushInput(t, 0);
pthread_mutex_unlock(&Sockmutex);
return nsamps;
}
static bool flushInput(rfsimulator_state_t *t, int timeout) {
int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags) {
return rfsimulator_write_internal(device->priv, timestamp, samplesVoid, nsamps, nbAnt, flags, false);
}
static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initial) {
// Process all incoming events on sockets
// store the data in lists
struct epoll_event events[FD_SETSIZE]= {0};
@@ -375,7 +383,16 @@ static bool flushInput(rfsimulator_state_t *t, int timeout) {
AssertFatal( (conn_sock = accept(t->listen_sock,NULL,NULL)) != -1, "");
setblocking(conn_sock, notBlocking);
allocCirBuf(t, conn_sock);
LOG_I(HW,"A ue connected\n");
LOG_I(HW,"A ue connected, sending the current time\n");
struct complex16 v= {0};
void *samplesVoid[t->tx_num_channels];
for ( int i=0; i < t->tx_num_channels; i++)
samplesVoid[i]=(void *)&v;
rfsimulator_write_internal(t, t->lastWroteTS > 1 ? t->lastWroteTS-1 : 0,
samplesVoid, 1,
t->tx_num_channels, 1, false);
} else {
if ( events[nbEv].events & (EPOLLHUP | EPOLLERR | EPOLLRDHUP) ) {
socketError(t,fd);
@@ -421,40 +438,60 @@ static bool flushInput(rfsimulator_state_t *t, int timeout) {
(t->typeStamp == ENB_MAGICDL_FDD && b->th.magic==UE_MAGICDL_FDD), "Socket Error in protocol");
b->headerMode=false;
if ( b->lastReceivedTS != b->th.timestamp) {
if ( t->nextTimestamp == 0 ) { // First block in UE, resync with the eNB current TS
t->nextTimestamp=b->th.timestamp> nsamps_for_initial ?
b->th.timestamp - nsamps_for_initial :
0;
b->lastReceivedTS=b->th.timestamp> nsamps_for_initial ?
b->th.timestamp :
nsamps_for_initial;
LOG_W(HW,"UE got first timestamp: starting at %lu\n", t->nextTimestamp);
b->trashingPacket=true;
} else if ( b->lastReceivedTS < b->th.timestamp) {
int nbAnt= b->th.nbAnt;
for (uint64_t index=b->lastReceivedTS; index < b->th.timestamp; index++ ) {
for (int a=0; a < nbAnt; a++) {
b->circularBuf[(index*nbAnt+a)%CirSize].r=0;
b->circularBuf[(index*nbAnt+a)%CirSize].i=0;
}
}
if (b->lastReceivedTS != 0 && b->th.timestamp-b->lastReceivedTS > 50 )
LOG_W(HW,"UEsock: %d gap of: %ld in reception\n", fd, b->th.timestamp-b->lastReceivedTS );
b->lastReceivedTS=b->th.timestamp;
} else if ( b->lastReceivedTS > b->th.timestamp && b->th.size == 1 ) {
LOG_W(HW,"Received Rx/Tx synchro out of order\n");
b->trashingPacket=true;
} else if ( b->lastReceivedTS == b->th.timestamp ) {
// normal case
} else {
abort();
AssertFatal(false, "received data in past: current is %lu, new reception: %lu!\n", b->lastReceivedTS, b->th.timestamp); }
LOG_W(HW,"gap of: %ld in reception\n", b->th.timestamp-b->lastReceivedTS );
}
pthread_mutex_lock(&Sockmutex);
b->lastReceivedTS=b->th.timestamp;
AssertFatal(b->lastWroteTS == 0 || ( abs((double)b->lastWroteTS-b->lastReceivedTS) < (double)CirSize),
"Tx/Rx shift too large Tx:%lu, Rx:%lu\n", b->lastWroteTS, b->lastReceivedTS);
if (t->lastWroteTS != 0 && ( abs((double)t->lastWroteTS-b->lastReceivedTS) > (double)CirSize))
LOG_E(HW,"UEsock: %d Tx/Rx shift too large Tx:%lu, Rx:%lu\n", fd, t->lastWroteTS, b->lastReceivedTS);
pthread_mutex_unlock(&Sockmutex);
b->transferPtr=(char *)&b->circularBuf[b->lastReceivedTS%CirSize];
b->remainToTransfer=sampleToByte(b->th.size, b->th.nbAnt);
}
if ( b->headerMode==false ) {
LOG_D(HW,"Set b->lastReceivedTS %ld\n", b->lastReceivedTS);
b->lastReceivedTS=b->th.timestamp+b->th.size-byteToSample(b->remainToTransfer,b->th.nbAnt);
LOG_D(HW,"UEsock: %d Set b->lastReceivedTS %ld\n", fd, b->lastReceivedTS);
if ( ! b->trashingPacket ) {
b->lastReceivedTS=b->th.timestamp+b->th.size-byteToSample(b->remainToTransfer,b->th.nbAnt);
}
// First block in UE, resync with the eNB current TS
if ( t->nextTimestamp == 0 )
t->nextTimestamp=b->lastReceivedTS-b->th.size;
if ( b->remainToTransfer==0) {
LOG_D(HW,"Completed block reception: %ld\n", b->lastReceivedTS);
b->headerMode=true;
b->transferPtr=(char *)&b->th;
b->remainToTransfer=sizeof(samplesBlockHeader_t);
b->th.magic=-1;
if ( b->remainToTransfer==0) {
LOG_D(HW,"UEsock: %d Completed block reception: %ld\n", fd, b->lastReceivedTS);
b->headerMode=true;
b->transferPtr=(char *)&b->th;
b->remainToTransfer=sizeof(samplesBlockHeader_t);
b->th.magic=-1;
b->trashingPacket=false;
}
}
}
@@ -468,7 +505,6 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
LOG_W(HW, "rfsimulator: only 1 antenna tested\n");
}
pthread_mutex_lock(&Sockmutex);
rfsimulator_state_t *t = device->priv;
LOG_D(HW, "Enter rfsimulator_read, expect %d samples, will release at TS: %ld\n", nsamps, t->nextTimestamp+nsamps);
// deliver data from received data
@@ -484,45 +520,58 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
if ( t->nextTimestamp == 0)
LOG_W(HW,"No connected device, generating void samples...\n");
if (!flushInput(t, 10)) {
if (!flushInput(t, 10, nsamps)) {
for (int x=0; x < nbAnt; x++)
memset(samplesVoid[x],0,sampleToByte(nsamps,1));
t->nextTimestamp+=nsamps;
LOG_D(HW,"Generated void samples for Rx: %ld\n", t->nextTimestamp);
if ( ((t->nextTimestamp/nsamps)%100) == 0)
LOG_W(HW,"No UE, Generated void samples for Rx: %ld\n", t->nextTimestamp);
*ptimestamp = t->nextTimestamp-nsamps;
pthread_mutex_unlock(&Sockmutex);
return nsamps;
}
} else {
pthread_mutex_lock(&Sockmutex);
if ( t->nextTimestamp > 0 && t->lastWroteTS < t->nextTimestamp) {
pthread_mutex_unlock(&Sockmutex);
usleep(10000);
pthread_mutex_lock(&Sockmutex);
if ( t->lastWroteTS < t->nextTimestamp ) {
// Assuming Tx is not done fully in another thread
// We can never write is the past from the received time
// So, the node perform receive but will never write these symbols
// let's tell this to the opposite node
// We send timestamp for nb samples required
// assuming this should have been done earlier if a Tx would exist
pthread_mutex_unlock(&Sockmutex);
struct complex16 v= {0};
void *samplesVoid[t->tx_num_channels];
for ( int i=0; i < t->tx_num_channels; i++)
samplesVoid[i]=(void *)&v;
LOG_I(HW, "No samples Tx occured, so we send 1 sample to notify it: Tx:%lu, Rx:%lu\n",
t->lastWroteTS, t->nextTimestamp);
rfsimulator_write_internal(t, t->nextTimestamp,
samplesVoid, 1,
t->tx_num_channels, 1, true);
} else {
pthread_mutex_unlock(&Sockmutex);
LOG_W(HW, "trx_write came from another thread\n");
}
} else
pthread_mutex_unlock(&Sockmutex);
bool have_to_wait;
do {
have_to_wait=false;
for (int sock=0; sock<FD_SETSIZE; sock++) {
for ( int sock=0; sock<FD_SETSIZE; sock++) {
buffer_t *b=&t->buf[sock];
if ( b->circularBuf) {
LOG_D(HW,"sock: %d, lastWroteTS: %lu, lastRecvTS: %lu, TS must be avail: %lu\n",
sock, b->lastWroteTS,
b->lastReceivedTS,
t->nextTimestamp+nsamps);
if ( b->lastReceivedTS > b->lastWroteTS ) {
// The caller modem (NB, UE, ...) must send Tx in advance, so we fill TX if Rx is in advance
// This occurs for example when UE is in sync mode: it doesn't transmit
// with USRP, it seems ok: if "tx stream" is off, we may consider it actually cuts the Tx power
struct complex16 v = {0};
void *samplesVoid[b->th.nbAnt];
for ( int i=0; i < b->th.nbAnt; i++)
samplesVoid[i]=(void *)&v;
rfsimulator_write(device, b->lastReceivedTS, samplesVoid, 1, b->th.nbAnt, 0);
}
}
if ( b->circularBuf )
if ( t->nextTimestamp+nsamps > b->lastReceivedTS ) {
have_to_wait=true;
@@ -535,7 +584,7 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
ptr->lastReceivedTS,
t->nextTimestamp+nsamps);
*/
flushInput(t, 3);
flushInput(t, 3, nsamps);
} while (have_to_wait);
}
@@ -582,7 +631,6 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
nsamps,
*ptimestamp, t->nextTimestamp,
signal_energy(samplesVoid[0], nsamps));
pthread_mutex_unlock(&Sockmutex);
return nsamps;
}
int rfsimulator_request(openair0_device *device, void *msg, ssize_t msg_len) {
@@ -613,7 +661,6 @@ __attribute__((__visibility__("default")))
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
// to change the log level, use this on command line
// --log_config.hw_log_level debug
// (for phy layer, replace "hw" by "phy")
rfsimulator_state_t *rfsimulator = (rfsimulator_state_t *)calloc(sizeof(rfsimulator_state_t),1);
rfsimulator_readconfig(rfsimulator);
pthread_mutex_init(&Sockmutex, NULL);
@@ -629,7 +676,6 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
device->trx_set_gains_func = rfsimulator_set_gains;
device->trx_write_func = rfsimulator_write;
device->trx_read_func = rfsimulator_read;
device->uhd_set_thread_priority = NULL;
/* let's pretend to be a b2x0 */
device->type = USRP_B200_DEV;
device->openair0_cfg=&openair0_cfg[0];
+5 -5
View File
@@ -14,11 +14,11 @@
// now , if we use --mu option in UE, compiling error will occur.
// This problem will be fixed in the future.
# ifndef UESIM_EXPANSION
# define NUMBER_OF_UE_MAX 16
# define NUMBER_OF_NR_UE_MAX 16
# define NUMBER_OF_UCI_VARS_MAX 56
# define NUMBER_OF_CONNECTED_eNB_MAX 3
# define NUMBER_OF_CONNECTED_gNB_MAX 3
# define NUMBER_OF_UE_MAX 4
# define NUMBER_OF_NR_UE_MAX 4
# define NUMBER_OF_UCI_VARS_MAX 14
# define NUMBER_OF_CONNECTED_eNB_MAX 1
# define NUMBER_OF_CONNECTED_gNB_MAX 1
# else
# define NUMBER_OF_UE_MAX 256
# define NUMBER_OF_NR_UE_MAX 16
@@ -284,9 +284,9 @@ NETWORK_CONTROLLER :
global_log_verbosity ="medium";
hw_log_level ="info";
hw_log_verbosity ="medium";
phy_log_level ="info";
phy_log_level ="debug";
phy_log_verbosity ="medium";
mac_log_level ="info";
mac_log_level ="debug";
mac_log_verbosity ="high";
rlc_log_level ="info";
rlc_log_verbosity ="medium";
@@ -262,7 +262,7 @@ RUs = (
THREAD_STRUCT = (
{
#three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
parallel_config = "PARALLEL_RU_L1_TRX_SPLIT";
parallel_config = "PARALLEL_SINGLE_THREAD";
#two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
worker_config = "WORKER_DISABLE";
}