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Commit ba2c28f6 authored by Mahesh's avatar Mahesh
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PNF slot ticking fix

parent 6210519d
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Showing with 92 additions and 27 deletions
nfapi/oai_integration/nfapi_vnf.c
View file @ ba2c28f6
......@@ -596,7 +596,7 @@ extern pthread_mutex_t nfapi_sync_mutex;
extern int nfapi_sync_var;
int phy_sync_indication(struct nfapi_vnf_p7_config *config, uint8_t sync) {
//printf("[VNF] SYNC %s\n", sync==1 ? "ACHIEVED" : "LOST");
printf("[VNF] SYNC %s\n", sync==1 ? "ACHIEVED" : "LOST");
if (sync==1 && nfapi_sync_var!=0) {
......
nfapi/open-nFAPI/nfapi/src/nfapi_p7.c
View file @ ba2c28f6
......@@ -307,7 +307,6 @@ static uint8_t pack_dl_tti_pdcch_pdu_rel15_value(void* tlv, uint8_t **ppWritePac
static uint8_t pack_dl_tti_pdsch_pdu_rel15_value(void* tlv, uint8_t **ppWritePackedMsg, uint8_t *end)
{
printf("packing pdsch pdu. \n");
nfapi_nr_dl_tti_pdsch_pdu_rel15_t* value = (nfapi_nr_dl_tti_pdsch_pdu_rel15_t*)tlv;
// TODO: resolve the packaging of array (currently sending a single element)
......
nfapi/open-nFAPI/pnf/src/pnf_p7.c
View file @ ba2c28f6
......@@ -935,9 +935,9 @@ int pnf_p7_slot_ind(pnf_p7_t* pnf_p7, uint16_t phy_id, uint16_t sfn, uint16_t sl
// save the curren time, sfn and slot
pnf_p7->slot_start_time_hr = pnf_get_current_time_hr();
pnf_p7->sfn = sfn;
// pnf_p7->sfn = sfn;
pnf_p7->slot = slot;
// pnf_p7->slot = slot;
......@@ -3202,6 +3202,38 @@ int pnf_p7_message_pump(pnf_p7_t* pnf_p7)
return 0;
}
struct timespec pnf_timespec_add(struct timespec lhs, struct timespec rhs)
{
struct timespec result;
result.tv_sec = lhs.tv_sec + rhs.tv_sec;
result.tv_nsec = lhs.tv_nsec + rhs.tv_nsec;
if(result.tv_nsec > 1e9)
{
result.tv_sec++;
result.tv_nsec-= 1e9;
}
return result;
}
struct timespec pnf_timespec_sub(struct timespec lhs, struct timespec rhs)
{
struct timespec result;
if ((lhs.tv_nsec-rhs.tv_nsec)<0)
{
result.tv_sec = lhs.tv_sec-rhs.tv_sec-1;
result.tv_nsec = 1000000000+lhs.tv_nsec-rhs.tv_nsec;
}
else
{
result.tv_sec = lhs.tv_sec-rhs.tv_sec;
result.tv_nsec = lhs.tv_nsec-rhs.tv_nsec;
}
return result;
}
int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
{
......@@ -3279,6 +3311,23 @@ int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
}
NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF P7 bind succeeded...\n");
//Initializaing timing structures needed for slot ticking
struct timespec slot_start;
clock_gettime(CLOCK_MONOTONIC, &slot_start);
struct timespec pselect_start;
struct timespec timeout;
timeout.tv_sec = 0;
timeout.tv_nsec = 500000;
struct timespec slot_duration;
slot_duration.tv_sec = 0;
slot_duration.tv_nsec = 0.5e6;
//Infinite loop
while(pnf_p7->terminate == 0)
{
fd_set rfds;
......@@ -3288,11 +3337,26 @@ int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
FD_ZERO(&rfds);
FD_SET(pnf_p7->p7_sock, &rfds);
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 500;
clock_gettime(CLOCK_MONOTONIC, &pselect_start);
selectRetval = select(pnf_p7->p7_sock+1, &rfds, NULL, NULL, &timeout);
//setting the timeout
if((pselect_start.tv_sec > slot_start.tv_sec) || ((pselect_start.tv_sec == slot_start.tv_sec) && (pselect_start.tv_nsec > slot_start.tv_nsec)))
{
// overran the end of the subframe we do not want to wait
timeout.tv_sec = 0;
timeout.tv_nsec = 0;
//struct timespec overrun = pnf_timespec_sub(pselect_start, sf_start);
//NFAPI_TRACE(NFAPI_TRACE_INFO, "Subframe overrun detected of %d.%d running to catchup\n", overrun.tv_sec, overrun.tv_nsec);
}
else
{
// still time before the end of the subframe wait
timeout = pnf_timespec_sub(slot_start, pselect_start);
}
selectRetval = pselect(pnf_p7->p7_sock+1, &rfds, NULL, NULL, &timeout, NULL);
uint32_t now_hr_time = pnf_get_current_time_hr();
......@@ -3302,15 +3366,19 @@ int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
if(selectRetval == 0)
{
// timeout
//continue;
//update slot start timing
slot_start = pnf_timespec_add(slot_start, slot_duration);
//increment sfn/slot
if (pnf_slot == 19)
pnf_frame = (pnf_frame + 1) % 1024;
pnf_slot = (pnf_slot + 1) % 20;
pnf_p7->sfn = pnf_frame;
pnf_p7->slot = pnf_slot;
struct timespec curr_time;
clock_gettime(CLOCK_MONOTONIC, &curr_time);
//printf("SFN=%d, slot=%d, Curr_time=%d.%d \n",pnf_p7->sfn,pnf_p7->slot,curr_time.tv_sec,curr_time.tv_nsec);
}
else if (selectRetval == -1 && (errno == EINTR))
{
......
nfapi/open-nFAPI/vnf/src/vnf_p7.c
View file @ ba2c28f6
......@@ -1616,14 +1616,6 @@ void vnf_nr_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7
// divide by 2 using shift operator
uint32_t latency = (tx_2_rx - pnf_proc_time) >> 1;
if(phy->in_sync == 0)
{
//NFAPI_TRACE(NFAPI_TRACE_NOTE, "VNF P7 In Sync with phy (phy_id:%d)\n", phy->phy_id);
if(vnf_p7->_public.sync_indication)
(vnf_p7->_public.sync_indication)(&(vnf_p7->_public), 1);
}
printf("t1 = %d,t2 = %d, t3 = %d, t4 = %d. \n",ind.t1, ind.t2, ind.t3, t4);
//phy->in_sync = 1;
if(!(phy->filtered_adjust))
......@@ -1675,17 +1667,24 @@ void vnf_nr_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
//NFAPI_TRACE(NFAPI_TRACE_NOTE, "(%4d/%1d) %d.%d PNF to VNF phy_id:%2d (t1/2/3/4:%8u, %8u, %8u, %8u) txrx:%4u procT:%3u latency(us):%4d(avg:%4d) offset(us):%8d filtered(us):%8d wrap[t1:%u t2:%u]\n",
// phy->sfn, phy->slot, ts.tv_sec, ts.tv_nsec, ind.header.phy_id,
// ind.t1, ind.t2, ind.t3, t4,
// tx_2_rx, pnf_proc_time, latency, phy->average_latency, phy->slot_offset, phy->slot_offset_filtered,
// (ind.t1<phy->previous_t1), (ind.t2<phy->previous_t2));
// NFAPI_TRACE(NFAPI_TRACE_NOTE, "(%4d/%1d) %d.%d PNF to VNF phy_id:%2d (t1/2/3/4:%8u, %8u, %8u, %8u) txrx:%4u procT:%3u latency(us):%4d(avg:%4d) offset(us):%8d filtered(us):%8d wrap[t1:%u t2:%u]\n",
// phy->sfn, phy->slot, ts.tv_sec, ts.tv_nsec, ind.header.phy_id,
// ind.t1, ind.t2, ind.t3, t4,
// tx_2_rx, pnf_proc_time, latency, phy->average_latency, phy->slot_offset, phy->slot_offset_filtered,
// (ind.t1<phy->previous_t1), (ind.t2<phy->previous_t2));
}
}
if (phy->filtered_adjust && (phy->slot_offset_filtered > 1e6 || phy->slot_offset_filtered < -1e6))
{
{ struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
NFAPI_TRACE(NFAPI_TRACE_NOTE, "(%4d/%1d) %d.%d PNF to VNF phy_id:%2d (t1/2/3/4:%8u, %8u, %8u, %8u) txrx:%4u procT:%3u latency(us):%4d(avg:%4d) offset(us):%8d filtered(us):%8d wrap[t1:%u t2:%u]\n",
phy->sfn, phy->slot, ts.tv_sec, ts.tv_nsec, ind.header.phy_id,
ind.t1, ind.t2, ind.t3, t4,
tx_2_rx, pnf_proc_time, latency, phy->average_latency, phy->slot_offset, phy->slot_offset_filtered,
(ind.t1<phy->previous_t1), (ind.t2<phy->previous_t2));
phy->filtered_adjust = 0;
phy->zero_count=0;
phy->min_sync_cycle_count = 2;
......@@ -1961,7 +1960,7 @@ void vnf_nr_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7
phy->zero_count,
phy->in_sync ? "IN_SYNC" : "OUT_OF_SYNC");*/
phy->sfn = new_sfn;
phy->sfn = new_sfn;
phy->slot = new_slot;
}
}
......
nfapi/open-nFAPI/vnf/src/vnf_p7_interface.c
View file @ ba2c28f6
......@@ -418,12 +418,11 @@ struct timespec current_time;
{
curr->slot++;
}
//printf("Frame = %d, slot = %d in VNF main loop. n",curr->sfn,curr->slot);
//printf("Frame = %d, slot = %d in VNF main loop. \n",curr->sfn,curr->slot);
vnf_frame = curr->sfn; vnf_slot = curr->slot;
struct timespec curr_time;
clock_gettime(CLOCK_MONOTONIC, &curr_time);
//printf("SFN=%d, slot=%d, Curr_time=%d.%d \n",vnf_frame,vnf_slot,curr_time.tv_sec,curr_time.tv_nsec);
vnf_nr_sync(vnf_p7, curr);
curr = curr->next;
......
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