--- /dev/null
+/******************************************************************************
+*
+* Copyright (c) 2020 Intel.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*******************************************************************************/
+
+/**
+ * @brief XRAN layer one-way delay measurement support
+ * @file xran_delay_measurement.c
+ * @ingroup group_source_xran
+ * @author Intel Corporation
+ **/
+#define _GNU_SOURCE
+#include <immintrin.h>
+#include <assert.h>
+#include <err.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+#include <time.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <rte_eal.h>
+#include <rte_ethdev.h>
+#include <rte_mbuf.h>
+
+#include "xran_common.h"
+#include "ethdi.h"
+#include "xran_pkt.h"
+#include "xran_dev.h"
+#include "xran_lib_mlog_tasks_id.h"
+#include "xran_ecpri_owd_measurements.h"
+
+#include "xran_printf.h"
+#include "xran_mlog_lnx.h"
+
+//#define ORAN_OWD_DEBUG_MSG_FLOW
+//#define XRAN_OWD_DEBUG_MSG_FLOW
+//#define XRAN_OWD_DEBUG_DELAY_INFO
+//#define XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+//#define XRAN_OWD_DEBUG_MEAS_DB
+//#define XRAN_OWD_TIMING_MODS
+
+
+ // Support for 1-way eCPRI delay measurement per section 3.2.4.6 of eCPRI Specification V2.0
+
+uint64_t xran_ptp_to_host(uint64_t compValue)
+{
+ return (rte_be_to_cpu_64(compValue));
+}
+void xran_host_to_ptp_ts(TimeStamp *ts, struct timespec *t)
+{
+ uint64_t seconds, nanoseconds;
+
+ seconds = t->tv_sec;
+ nanoseconds = t->tv_nsec%1000000000LL;
+#ifdef XRAN_OWD_DEBUG_DELAY_CONV_FUNCTIONS
+ printf("H2P_ts tv_sec %8"PRIx64" tv_nsec %8"PRIx64" seconds %8"PRIx64" ns %8"PRIx64" \n",t->tv_sec,t->tv_nsec,seconds,nanoseconds);
+#endif
+
+ ts->secs_msb = rte_cpu_to_be_16((rte_be16_t)((seconds >> 32) & 0xFFFF));
+ ts->secs_lsb = rte_cpu_to_be_32((rte_be32_t)(seconds & 0xFFFFFFFF));
+ ts->ns = rte_cpu_to_be_32((rte_be32_t)nanoseconds);
+#ifdef XRAN_OWD_DEBUG_DELAY_CONV_FUNCTIONS
+ printf("Net order s_msb %4"PRIx16" s_lsb %8"PRIx32" ns %8"PRIx32" \n", ts->secs_msb, ts->secs_lsb,ts->ns );
+#endif
+}
+
+uint64_t xran_ptp_ts_to_ns(TimeStamp *t)
+{
+ uint64_t seconds, nanoseconds;
+ uint64_t ret_value;
+ // Convert to host order
+ t->secs_msb=rte_be_to_cpu_16(t->secs_msb);
+ t->secs_lsb=rte_be_to_cpu_32(t->secs_lsb);
+ seconds = ((uint64_t)t->secs_msb << 32) | ((uint64_t)t->secs_lsb );
+ nanoseconds = rte_be_to_cpu_32((uint64_t)t->ns);
+ ret_value = seconds * NS_PER_SEC + nanoseconds;
+#ifdef XRAN_OWD_DEBUG_DELAY_CONV_FUNCTIONS
+ printf("PTP ts to ns sec_msb %4"PRIx16" secs_lsb %4"PRIx32" ns %4"PRIx32" seconds %8"PRIx64" nanosec %8"PRIx64" ret_value %8"PRIx64"\n",t->secs_msb,t->secs_lsb,t->ns,seconds, nanoseconds,ret_value);
+#endif
+ return ret_value;
+
+}
+static inline uint64_t xran_timespec_to_ns(struct timespec *t)
+{
+ uint64_t ret_val;
+
+ ret_val = t->tv_sec * NS_PER_SEC + t->tv_nsec;
+#ifdef XRAN_OWD_DEBUG_DELAY_CONV_FUNCTIONS
+ printf("t->tv_sec is %08"PRIx64" tv_nsec is %08"PRIx64" ret_val is %08"PRIx64" ts_to_ns\n",t->tv_sec,t->tv_nsec,ret_val);
+#endif
+ return ret_val;
+
+}
+
+void xran_ns_to_timespec(uint64_t ns, struct timespec *t)
+{
+ t->tv_sec = ns/NS_PER_SEC;
+ t->tv_nsec = ns % NS_PER_SEC;
+
+}
+
+void xran_initialize_and_verify_owd_pl_length(void* handle)
+{
+ struct xran_device_ctx * p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+
+ if ((p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id].owdm_PlLength == 0)||(p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id].owdm_PlLength < MIN_OWDM_PL_LENGTH))
+ {
+ // Use default length value
+ p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id].owdm_PlLength = MIN_OWDM_PL_LENGTH;
+ }
+ else if ( p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id].owdm_PlLength > MAX_OWDM_PL_LENGTH)
+ {
+ p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id].owdm_PlLength = MAX_OWDM_PL_LENGTH;
+ }
+
+}
+
+void xran_adjust_timing_parameters(void* Handle)
+{
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx*)Handle;
+#ifdef XRAN_OWD_TIMING_MODS
+ printf("delayAvg is %d and DELAY_THRESHOLD is %d \n", p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][0].delayAvg, DELAY_THRESHOLD);
+#endif
+ if (p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][0].delayAvg < DELAY_THRESHOLD )
+ {
+ /* Modify the timing parameters */
+ if (p_xran_dev_ctx->fh_cfg.T1a_max_up >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.T1a_max_up -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.T2a_max_up >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.T2a_max_up -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.Ta3_min >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.Ta3_min -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.T1a_max_cp_dl >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.T1a_max_cp_dl -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.T1a_min_up >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.T1a_min_up -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.T1a_max_up >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.T1a_max_up -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.Ta4_min >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.Ta4_min -= ADJUSTMENT;
+ if (p_xran_dev_ctx->fh_cfg.Ta4_max >= ADJUSTMENT)
+ p_xran_dev_ctx->fh_cfg.Ta4_max -= ADJUSTMENT;
+#ifdef XRAN_OWD_TIMING_MODS
+ printf("Mod T1a_max_up is %d\n",p_xran_dev_ctx->fh_cfg.T1a_max_up);
+ printf("Mod T2a_max_up is %d\n",p_xran_dev_ctx->fh_cfg.T2a_max_up);
+ printf("Mod Ta3_min is %d\n",p_xran_dev_ctx->fh_cfg.Ta3_min);
+ printf("Mod T1a_max_cp_dl is %d\n",p_xran_dev_ctx->fh_cfg.T1a_max_cp_dl);
+ printf("Mod T1a_min_up is %d\n",p_xran_dev_ctx->fh_cfg.T1a_min_up);
+ printf("Mod T1a_max_up is %d\n",p_xran_dev_ctx->fh_cfg.T1a_max_up);
+ printf("Mod Ta4_min is %d\n",p_xran_dev_ctx->fh_cfg.Ta4_min);
+ printf("Mod Ta4_max is %d\n",p_xran_dev_ctx->fh_cfg.Ta4_max);
+#endif
+ }
+
+}
+
+
+
+void xran_compute_and_report_delay_estimate (struct xran_ecpri_del_meas_port *portData, uint16_t totalSamples, uint16_t id )
+{
+ uint16_t i;
+ uint64_t *samples= portData->delaySamples;
+
+
+ for (i=2 ; i < MX_NUM_SAMPLES; i++) //Ignore first 2 samples
+ {
+ portData->delayAvg += samples[i];
+
+ }
+
+ // Average the delay by the number of samples
+ if ((totalSamples != 0)&&(totalSamples > 2))
+ {
+ portData->delayAvg /= (totalSamples-2);
+ }
+ // Report Average with printf
+ flockfile(stdout);
+ printf("OWD for port %i is %lu [ns] id %d \n", portData->portid, portData->delayAvg, id);
+ funlockfile(stdout);
+
+}
+
+int xran_get_delay_measurements_results (void* handle, uint16_t port_id, uint8_t id, uint64_t* pdelay_avg)
+{
+ int ret_value = FAIL;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx*)handle;
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[id][port_id];
+ // Check is the one way delay measurement completed successfully
+ if (powdp->msState == XRAN_OWDM_DONE)
+ {
+ *pdelay_avg = powdp->delayAvg;
+ ret_value = OK;
+ }
+ return (ret_value);
+}
+
+
+void xran_build_owd_meas_ecpri_hdr(char* mbuf, struct xran_ecpri_del_meas_cmn* eowdcmn)
+{
+ union xran_ecpri_cmn_hdr *tmp= (union xran_ecpri_cmn_hdr*)mbuf;
+ /* Fill common header */
+ tmp->bits.ecpri_ver = XRAN_ECPRI_VER;
+ tmp->bits.ecpri_resv = 0; // should be zero
+ tmp->bits.ecpri_concat = 0;
+ tmp->bits.ecpri_mesg_type = ECPRI_DELAY_MEASUREMENT;
+ tmp->bits.ecpri_payl_size = 10 + eowdcmn->owdm_PlLength;
+ tmp->bits.ecpri_payl_size = rte_cpu_to_be_16(tmp->bits.ecpri_payl_size);
+}
+
+void xran_add_at_and_measId_info_to_header(void* pbuf, uint8_t actionType, uint8_t MeasurementID)
+{
+ struct xran_ecpri_delay_meas_pl* tmp = (struct xran_ecpri_delay_meas_pl*)pbuf;
+ // Fill ActionType and MeasurementId
+ tmp->ActionType = actionType;
+ tmp->MeasurementID = MeasurementID;
+}
+
+void xran_initialize_ecpri_del_meas_port(struct xran_ecpri_del_meas_cmn* pCmn, struct xran_ecpri_del_meas_port* pPort, uint16_t full)
+{
+
+ uint16_t i=0;
+ // Initialize port parameters during the first pass
+ pPort->currentMeasID++;
+ pPort->runMeas = 1;
+ pPort->txDone = 0;
+
+ if (full)
+ {
+ pPort->numMeas = 0;
+ pPort->portid = pCmn->measVf;
+ pPort->delayAvg = 0;
+ pPort->delta = 0;
+ pPort->t1 = 0;
+ pPort->t2 = 0;
+ pPort->tr = 0;
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Clearing t1 and delta\n");
+#endif
+
+ for (i=0; i < MX_NUM_SAMPLES; i++)
+ {
+ pPort->delaySamples[i] = 0;
+ }
+ }
+ // Set msState based on measMethod and whether the FHI is initiator or recipient
+
+ if (pCmn->initiator_en)
+ {
+ switch (pCmn->measMethod)
+ {
+ case XRAN_REQUEST:
+ pPort->msState = XRAN_OWDM_WAITRESP;
+ break;
+ case XRAN_REM_REQ:
+ pPort->msState = XRAN_OWDM_WAITREQ;
+ break;
+ case XRAN_REQ_WFUP:
+ pPort->msState = XRAN_OWDM_WAITRESP;
+ break;
+ case XRAN_REM_REQ_WFUP:
+ pPort->msState = XRAN_OWDM_WAITREQWFUP;
+ break;
+ default:
+ pPort->msState = XRAN_OWDM_WAITRESP;
+ break;
+ }
+ }
+ else
+ {
+ switch (pCmn->measMethod)
+ {
+ case XRAN_REQUEST:
+ pPort->msState = XRAN_OWDM_WAITREQ;
+ break;
+ case XRAN_REM_REQ:
+ pPort->msState = XRAN_OWDM_WAITREMREQ;
+ break;
+ case XRAN_REQ_WFUP:
+ pPort->msState = XRAN_OWDM_WAITREQWFUP;
+ break;
+ case XRAN_REM_REQ_WFUP:
+ pPort->msState = XRAN_OWDM_WAITREMREQWFUP;
+ break;
+ default:
+ pPort->msState = XRAN_OWDM_WAITREQ;
+ break;
+ }
+ }
+}
+
+int32_t xran_ecpri_port_update_required (struct xran_io_cfg * cfg, uint16_t port_id)
+{
+ int32_t ret_value = 0;
+ int32_t* port = &cfg->port[0];
+
+ if (cfg != NULL)
+ {
+
+ struct xran_ecpri_del_meas_port* eowdp = &cfg->eowd_port[cfg->id][port_id];
+ struct xran_ecpri_del_meas_cmn* eowdc = &cfg->eowd_cmn[cfg->id];
+
+
+ // Check if the current port has completed all the measurements to move to the next port
+ if (eowdp->numMeas == eowdc->numberOfSamples)
+ {
+ // Mark state as done and move to the next port
+ if (port_id < cfg->num_vfs)
+ {
+ port_id++;
+ if (port[port_id] == 0xFF)
+ {
+ // Done with all ports disable further execution
+ eowdc->owdm_enable = 0;
+ }
+ else
+ {
+ eowdc->measVf++;
+ eowdp= &cfg->eowd_port[cfg->id][port_id];
+ // Initialize the next port
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Init call_1 port %d\n", port_id);
+#endif
+ xran_initialize_ecpri_del_meas_port(eowdc, eowdp,1);
+ }
+ ret_value = 1; // Wait for the next pass through the loop to go to the next port
+ }
+ else
+ {
+ // Disable the measurements
+ eowdc->owdm_enable = 0;
+ ret_value = 1;
+ }
+ }
+ else
+ {
+ // Continue running on the same port
+ ret_value = 0;
+// xran_initialize_ecpri_del_meas_port(eowdc, eowdp,0); //Now this logic is driven by the receiver
+ }
+ }
+ else
+ {
+ errx(1, "Exit 1 epur with cfg null");
+ }
+ return ret_value;
+}
+
+
+/**
+ * @brief ecpri 2.0 one-way delay measurement transmitter control
+ *
+ * @ingroup group_source_xran
+ *
+ * @param port_id
+ * port_id to be used
+ * @param handle
+ * Pointer to an xran_device_ctx (cast)
+ *
+ * @return
+ * OK on success
+ * FAIL if failed to process the packet
+
+ */
+int xran_ecpri_one_way_delay_measurement_transmitter(uint16_t port_id, void* handle)
+{
+ // The ecpri one way delay measurement transmitter handles the transmission
+ // of the owd measurement packets on each of the vfs present in the system in a sequential order
+ // so the owd_meas_method is provided from the configuration file and it can be one of 4 possible
+ // methods: REQUEST, REM_REQ, REQ_WFUP or REM_REQ_WFUP
+ // In the current implementation the measurement is performed on one vf until completion of the number
+ // of measurements defined from the configuration file.
+ // A variable in the xran_ecpri_del_meas_cmn keeps track of the current vf that is using the transmitter and
+ // when the current vf completes all the measurements it moves to the next vf until all of the vfs complete
+ // the measurements
+ // In the current implementation the measurements start after the xran_if_current_state has reached the
+ // XRAN_RUNNING state (i.e. after having executed the xran_start())
+ // The measurements run only once for the current release.
+ int ret_value = FAIL;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+
+ if (powdc->measState == OWDMTX_INIT)
+ {
+ // Perform the initialization for the very first call to the transmitter for a given port
+ powdc->measVf = port_id;
+ powdc->measState = OWDMTX_ACTIVE;
+ // Check whether PL length was passed in config file and if it is within bounds
+ if ((powdc->owdm_PlLength == 0)|| ( powdc->owdm_PlLength < MIN_OWDM_PL_LENGTH ))
+ {
+ // Use default length value
+ powdc->owdm_PlLength = MIN_OWDM_PL_LENGTH;
+ }
+ else if ( powdc->owdm_PlLength > MAX_OWDM_PL_LENGTH)
+ {
+ powdc->owdm_PlLength = MAX_OWDM_PL_LENGTH;
+ }
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Clear call 2 port_id %d\n", port_id);
+#endif
+ xran_initialize_ecpri_del_meas_port(powdc, powdp,1);
+ }
+
+ // Initiator State Machine , recipient state machine driven from process_delay_meas()
+// printf("owdm tx w state %d runMeas %d inen %d\n", powdp->msState,powdp->runMeas,powdc->initiator_en);
+
+ if ((powdp->runMeas != 0 )&&(powdc->initiator_en != 0)) // Current port still running measurements
+ {
+ switch (powdp->msState)
+ {
+ case XRAN_OWDM_WAITRESP:
+ // Check the measmethod to define the action
+ if (powdc->measMethod == XRAN_REQUEST)
+ {
+ if (!powdp->txDone)
+ {
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("owdm ecpri tx req gen\n");
+#endif
+ if (xran_generate_delay_meas(port_id, handle, (uint8_t)ECPRI_REQUEST, powdc->measId) == 0 )
+ {
+ errx(1, "Exit 1 owdm tx port_id %d measId %d", port_id, powdc->measId);
+ }
+ powdp->txDone =1;
+ }
+ }
+ else
+ {
+ // The only else corresponds to XRAN_REQ_WFUP
+ if (!powdp->txDone)
+ {
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("owdm ecpri tx req w fup gen\n");
+#endif
+ if (xran_generate_delay_meas(port_id, handle, (uint8_t)ECPRI_REQUEST_W_FUP , powdc->measId) == 0 )
+ {
+ errx(1, "Exit 2 owdm tx port_id %d measId %d", port_id, powdc->measId );
+ }
+ powdp->txDone=0; // Needs fup
+ }
+ }
+ break;
+ case XRAN_OWDM_WAITREQ:
+ if (!powdp->txDone)
+ {
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("owdm ecpri tx rem req gen\n");
+#endif
+ if (xran_generate_delay_meas(port_id, handle, (uint8_t)ECPRI_REMOTE_REQ , powdc->measId) == 0 )
+ {
+ errx(1, "Exit 3 owdm tx port_id %d measId %d", port_id, powdc->measId );
+ }
+ powdp->txDone=1;
+ }
+ break;
+ case XRAN_OWDM_WAITREQWFUP:
+ if (!powdp->txDone)
+ {
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("owdm ecpri tx rem req w fup gen\n");
+#endif
+ if (xran_generate_delay_meas(port_id, handle, (uint8_t)ECPRI_REMOTE_REQ_W_FUP , powdc->measId) == 0 )
+ {
+ errx(1, "Exit 4 owdm tx port_id %d measId %d", port_id, powdc->measId );
+ }
+ powdp->txDone=1;
+ }
+ break;
+ case XRAN_OWDM_GENFUP:
+ if (!powdp->txDone)
+ {
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("owdm ecpri follow up gen\n");
+#endif
+ if (xran_generate_delay_meas(port_id, handle, (uint8_t)ECPRI_FOLLOW_UP , powdc->measId) == 0 )
+ {
+ errx(1, "Exit 4 owdm tx port_id %d measId %d", port_id, powdc->measId );
+ }
+ powdp->txDone=1;
+ }
+ break;
+ case XRAN_OWDM_WAITFUP:
+ case XRAN_OWDM_DONE:
+ case XRAN_OWDM_IDLE:
+ // Transmitter doesn't have to do anything in these states
+ break;
+ default:
+ errx(1, "Exit 5 owdm tx port_id %d measId %d id %d state %d", port_id, powdc->measId, p_xran_dev_ctx->fh_init.io_cfg.id, powdp->msState );
+
+ }
+ }
+ ret_value = OK;
+ return ret_value;
+
+}
+
+/**
+ * @brief Generate a Delay Measurement packet
+ * Transport layer fragmentation is not supported.
+ *
+ * @ingroup group_source_xran
+ *
+ * @param port_id
+ * port_id to be used
+ * @param handle
+ * Pointer to an xran_device_ctx (cast)
+ * @param actionType
+ * actionType to be used in the owd measurement packet
+ * @param MeasurementID
+ * MeasurementID to be populated in the owd measurement packet
+ * @return
+ * OK on success
+ * FAIL if failed to process the packet
+
+ */
+int xran_generate_delay_meas(uint16_t port_id, void* handle, uint8_t actionType, uint8_t MeasurementID )
+{
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_delay_meas_pkt *ecpri_delmeas_pkt;
+ int pkt_len;
+ struct rte_mbuf *mbuf,*pkt;
+ char* pChar;
+ struct xran_ecpri_delay_meas_pl * pdm= NULL;
+ uint64_t tcv1,tr2m,trm;
+ struct timespec tr2, tr;
+ struct xran_io_cfg* cfg = &p_xran_dev_ctx->fh_init.io_cfg;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ int32_t *port = &cfg->port[port_id];
+ int ret_value = FAIL;
+ struct rte_ether_addr addr;
+ uint16_t ethertype = ETHER_TYPE_ECPRI;
+
+// printf("in xran_generate_delay_meas for action_type %d\n", actionType);
+
+ pkt_len = sizeof(struct xran_ecpri_del_meas_pkt);
+ // Allocate a buffer from the pool
+ mbuf =xran_ethdi_mbuf_alloc();
+ if (mbuf == NULL)
+ {
+ MLogPrint(NULL);
+ errx(1,"exit 1 owdm gen");
+ }
+ pChar = rte_pktmbuf_append(mbuf, pkt_len);
+ if (pChar == NULL)
+ {
+ MLogPrint(NULL);
+ errx(1,"exit 2 owdm gen");
+ }
+ pChar = rte_pktmbuf_prepend(mbuf, sizeof(struct rte_ether_hdr));
+ if (pChar == NULL)
+ {
+ MLogPrint(NULL);
+ errx(1,"exit 3 owdm gen");
+ }
+
+ struct xran_ethdi_ctx *ctx = xran_ethdi_get_ctx();
+
+ struct rte_ether_hdr *h = (struct rte_ether_hdr *)rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr*);
+ PANIC_ON(h == NULL, "mbuf prepend of ether_hdr failed");
+
+ /* Fill in the ethernet header. */
+ rte_eth_macaddr_get(port_id, &h->s_addr); /* set source addr */
+
+ if (p_xran_dev_ctx->fh_init.io_cfg.id)
+ {
+// rte_ether_addr_copy( (struct rte_ether_addr *)p_xran_dev_ctx->fh_init.p_o_du_addr[port_id],&h->d_addr);
+ h->d_addr = ctx->entities[port_id][ID_O_DU]; /* set dst addr */
+ }
+ else
+ {
+ h->d_addr = ctx->entities[port_id][ID_O_RU]; /* set dst addr */
+// rte_ether_addr_copy( (struct rte_ether_addr *)p_xran_dev_ctx->fh_init.p_o_ru_addr[port_id],&h->d_addr);
+ }
+
+ h->ether_type = rte_cpu_to_be_16(ethertype); /* ethertype too */
+ mbuf->port = ctx->io_cfg.port[port_id];
+
+
+ // Prepare the ecpri header info
+ // Advance pointer to the begining of the ecpri common header
+ pChar = pChar + sizeof (struct rte_ether_hdr);
+ xran_build_owd_meas_ecpri_hdr(pChar, powdc );
+ // Advance pointer to the begining of the xran_ecpri_delay_meas_pl
+ pChar = pChar + sizeof (union xran_ecpri_cmn_hdr);
+ xran_add_at_and_measId_info_to_header(pChar, actionType, MeasurementID);
+
+ pdm = (struct xran_ecpri_delay_meas_pl *)rte_pktmbuf_mtod_offset(mbuf, struct xran_ecpri_delay_meas_pl *, sizeof(struct rte_ether_hdr) + sizeof(union xran_ecpri_cmn_hdr));
+ switch (actionType)
+ {
+ // For owd meas originator there are a subset of actionTypes used see ecpri 2.0 Figures 25 and 26 for the details
+ case ECPRI_REQUEST:
+ // Record t1, prepare Request Message and determine tcv1 and include both time stamps in the packet
+ // 1) Record the current timestamp when the preparation of the message started i.e. t1
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // t1
+ {
+ return ret_value;
+ }
+ trm = xran_timespec_to_ns(&tr);
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf("trm at gen is %8"PRIx64" \n", trm);
+#endif
+ // 2) Prepare the delay measurement request packet
+ pdm->ActionType = ECPRI_REQUEST;
+ // 3) Record the current timestamp at the moment that the delay measurement packet is ready to be transmitted tr2 i.e.t1+tcv1 and write it
+ // to the Delay Measurement request packet PL field
+ if (clock_gettime(CLOCK_REALTIME, &tr2 )) // ts
+ {
+ return ret_value;
+ }
+ // 4) Convert host to ptp time stamp format for tr and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->ts, &tr);
+ // 5) Convert from Timestamp tr2 to ns before computing the compensation value
+ tr2m = xran_timespec_to_ns(&tr2);
+ // 6) Compute tcv1 as tr2m-trm
+ tcv1 = tr2m - trm;
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf("tcv1 is %08"PRIx64"\n",tcv1);
+#endif
+
+ // 7) write tcv1 to the CompensationValue field of the delay measurement request packet
+ pdm->CompensationValue = rte_cpu_to_be_64(tcv1);
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf("compensation value after net order %8"PRIx64" \n", pdm->CompensationValue);
+#endif
+ // 8) Store t1 and tcv1 to be used later once we get the response message
+ powdp->currentMeasID = pdm->MeasurementID;
+ powdp->t1 = trm;
+ powdp->delta = tcv1;
+ powdp->msState = XRAN_OWDM_WAITRESP;
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf("At req gen t1 %8"PRIx64" and delta %8"PRIx64" port %d \n",powdp->t1,powdp->delta,port_id);
+#endif
+ break;
+
+ case ECPRI_REMOTE_REQ:
+ // Prepare and send Remote Request Message with zero timestamp and correction values
+ tr.tv_sec = 0;
+ tr.tv_nsec = 0;
+ tcv1 = 0;
+ // Convert host to ptp time stamp format for tr and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->ts, &tr);
+ // write zero to the CompensationValue field of the delay measurement remote request packet
+ pdm->CompensationValue = rte_cpu_to_be_64(tcv1);
+ // 1) Prepare the delay measurement request packet
+ pdm->ActionType = ECPRI_REMOTE_REQ;
+ // 2) Store MeasurementID and msState to be checked once the Request Message is received
+ powdp->currentMeasID = pdm->MeasurementID;
+ powdp->msState = XRAN_OWDM_WAITREQ;
+
+ break;
+
+ case ECPRI_REQUEST_W_FUP:
+ // Record t1, prepare Request with follow up Message and determine tcv1, send zero timestamp and correction value in the packet
+ // 1) Record the current timestamp when the message preparation started i.e. t1
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // t1
+ {
+ return ret_value;
+ }
+ trm = xran_timespec_to_ns(&tr);
+ // 2) Prepare the delay measurement remote request with follow up packet
+ pdm->ActionType = ECPRI_REQUEST_W_FUP;
+ // 3) Record the current timestamp at the moment that the delay measurement packet is ready to be transmitted tr2 i.e.t1+tcv1
+ if (clock_gettime(CLOCK_REALTIME, &tr2 )) // ts
+ {
+ return ret_value;
+ }
+ // 4) Convert from Timestamp tr2 to ns before computing the compensation value
+ tr2m = xran_timespec_to_ns(&tr2);
+ // 5) Compute tcv1 as tr2m-trm
+ tcv1 = tr2m - trm;
+ // Prepare and send Remote Request Message with zero timestamp and correction values
+ tr.tv_sec = 0;
+ tr.tv_nsec = 0;
+ powdp->delta = tcv1; // Save tcv1 while waiting for the Response
+ tcv1 = 0;
+ // Convert host to ptp time stamp format for tr and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->ts, &tr);
+ // write zero to the CompensationValue field of the delay measurement remote request packet
+ pdm->CompensationValue = rte_cpu_to_be_64(tcv1);
+ // 6) Store MeasurementID and msState to be checked once the Request Message is received
+ powdp->currentMeasID = pdm->MeasurementID;
+ powdp->t1 = trm;
+ powdp->msState = XRAN_OWDM_GENFUP;
+
+ break;
+
+ case ECPRI_FOLLOW_UP:
+ // Use the t1 and tcv1 values recorded in the ECPRI_REQUEST_W_FUP packet generation step and send these values in the follow up packet
+ // 1) Prepare the delay measurement follow up packet
+ pdm->ActionType = ECPRI_FOLLOW_UP;
+ // 2) Convert t1 from host to ptp format
+ xran_ns_to_timespec(powdp->t1, &tr);
+ // 3) Convert host to ptp time stamp format for tr and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->ts, &tr);
+ // 4) write tcv1 to the CompensationValue field of the delay measurement request packet
+ pdm->CompensationValue = rte_cpu_to_be_64(powdp->delta);
+ powdp->currentMeasID = pdm->MeasurementID;
+ powdp->msState = XRAN_OWDM_WAITRESP;
+ break;
+
+ case ECPRI_REMOTE_REQ_W_FUP:
+ // Prepare the Remote Request with follow up Message, send zero timestamp and correction value in the packet
+ tr.tv_sec = 0;
+ tr.tv_nsec = 0;
+ tcv1 = 0;
+ // Convert host to ptp time stamp format for tr and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->ts, &tr);
+ // write zero to the CompensationValue field of the delay measurement remote request packet
+ pdm->CompensationValue = rte_cpu_to_be_64(tcv1);
+ // 1) Prepare the delay measurement request packet
+ pdm->ActionType = ECPRI_REMOTE_REQ_W_FUP;
+ // 2) Store MeasurementID and msState to be checked once the Request Message is received
+ powdp->currentMeasID = pdm->MeasurementID;
+ powdp->msState = XRAN_OWDM_WAITREQWFUP;
+
+ break;
+
+ default:
+ errx(1,"exit 4 owdm gen");
+ break;
+ }
+
+ // printf("xran_gen_del_4n");
+
+ // Retrieve Ethernet Header for the port and copy to the packet
+ rte_eth_macaddr_get(port_id, &addr);
+#ifdef XRAN_OWD_DEBUG_PKTS
+ printf("id is %d\n", p_xran_dev_ctx->fh_init.io_cfg.id);
+ printf("Port %u SRC MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
+ " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
+ (unsigned)port_id,
+ addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2],
+ addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]);
+#endif
+
+ if (p_xran_dev_ctx->fh_init.io_cfg.id)
+ {
+#ifdef XRAN_OWD_DEBUG_PKTS
+ int8_t *pa = &p_xran_dev_ctx->fh_init.p_o_du_addr[0];
+ printf("DST_MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pa[0],pa[1],pa[2],pa[3],pa[4],pa[5]);
+#endif
+ rte_ether_addr_copy((struct rte_ether_addr *)&p_xran_dev_ctx->fh_init.p_o_du_addr[0], (struct rte_ether_addr *)&h->d_addr.addr_bytes[0]);
+
+ }
+ else
+ {
+#ifdef XRAN_OWD_DEBUG_PKTS
+ int8_t *pb = &p_xran_dev_ctx->fh_init.p_o_ru_addr[0];
+ printf("DST_MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pb[0],pb[1],pb[2],pb[3],pb[4],pb[5]);
+#endif
+ rte_ether_addr_copy((struct rte_ether_addr *)&p_xran_dev_ctx->fh_init.p_o_ru_addr[0], (struct rte_ether_addr *)&h->d_addr.addr_bytes[0]);
+
+ }
+#ifdef XRAN_OWD_DEBUG_PKTS
+ uint8_t *pc = &h->s_addr.addr_bytes[0];
+ printf(" Src MAC from packet: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pc[0],pc[1],pc[2],pc[3],pc[4],pc[5]);
+ uint8_t *pd = &h->d_addr.addr_bytes[0];
+ printf(" Dst MAC from packet: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pd[0],pd[1],pd[2],pd[3],pd[4],pd[5]);
+#endif
+ // Copy dest address from above
+ // Send out the packet
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &mbuf, 1);
+// Try using the normal scheme of passing through the ring
+// ret_value = xran_enqueue_mbuf(mbuf, ctx->tx_ring[port_id]);
+#ifdef XRAN_OWD_DEBUG_PKTS
+ printf("owdt rte_eth_tx_burst returns %d for port %d\n", ret_value,port_id);
+#endif
+ return ret_value;
+}
+
+
+/**
+ * @brief Process a Delay Measurement Request packet
+ *
+ * @ingroup group_source_xran
+ *
+ * @param mbuf
+ * The pointer of the packet buffer to be processed
+ * @param handle
+ * Pointer to an xran_device_ctx (cast)
+ * @param xran_ecpri_delay_meas_pl
+ * Pointer to an eCPRI delay measurement PL
+ * @return
+ * OK on success
+ * FAIL if failed to process the packet
+ */
+int xran_process_delmeas_request(struct rte_mbuf *pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = FAIL;
+
+ struct xran_ecpri_delay_meas_pl *txDelayHdr;
+ TimeStamp pt1;
+ struct rte_mbuf* pkt1;
+ char* pchar;
+ uint64_t tcv1, tcv2,t2m,trm, td12, t1m;
+ struct xran_ecpri_del_meas_pkt *pdm= NULL;
+ union xran_ecpri_cmn_hdr *cmn;
+ struct timespec tr, t2;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ether_addr addr;
+ struct xran_ethdi_ctx *ctx = xran_ethdi_get_ctx();
+//101620
+ struct xran_io_cfg* cfg = &p_xran_dev_ctx->fh_init.io_cfg;
+// struct xran_io_cfg *cfg = &ctx->io_cfg;
+ int32_t *port = &cfg->port[port_id];
+
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("RX ecpri Measure Request \n");
+#endif
+ // Since we are processing the receipt of a delay measurement request packet the following actions
+ // need to be taken (Per eCPRI V2.0 Figure 25)
+ // 1) Record the current timestamp when the message was received i.e. tr
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // tr
+ {
+ errx(1, "Exit 1 owd rx f1 port_id %d", port_id);
+ return ret_value;
+ }
+
+ trm = xran_timespec_to_ns(&tr);
+ // 2) Copy MeasurementID to the Delay Measurement Response packet
+ // but first prepend ethernet header since the info is still in the buffer
+// pchar = rte_pktmbuf_prepend(pkt, (uint16_t)(sizeof(struct rte_ether_hdr)+ sizeof(union xran_ecpri_cmn_hdr ))); // Pointer to new data start address 10/20/20 Now not removing ecpri_cmn in process_delay_meas
+ pchar = rte_pktmbuf_prepend(pkt, (uint16_t)sizeof(struct rte_ether_hdr));
+ pkt1 = rte_pktmbuf_copy(pkt, _eth_mbuf_pool, 0, UINT32_MAX);
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt*, sizeof(struct rte_ether_hdr));
+ // 3) Get time stamp T1 from the Timestamp field i.e. t1
+ pt1 = pdm->deMeasPl.ts;
+ // 3a) Convert to ns in the host format
+ t1m = xran_ptp_ts_to_ns(&pt1);
+ // 4) Get the compensation value from the packet i.e. tcv1
+ tcv1 = rte_be_to_cpu_64(pdm->deMeasPl.CompensationValue);
+ // 5) Prepare the delay measurement response packet
+ pdm->deMeasPl.ActionType = ECPRI_RESPONSE;
+ // 6) Record the current timestamp at the moment that the delay measurement packet is ready to be transmitted i.e.t2 and write it
+ // to the Delay Measurement response packet PL field
+ if (clock_gettime(CLOCK_REALTIME, &t2 )) // t2
+ {
+ errx(1,"Exit 2 owd rx f1 port_id %d", port_id);
+ return ret_value;
+ }
+ // 7) Convert host to ptp time stamp format for t2 and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->deMeasPl.ts, &t2);
+ // 8) Convert from Timestamp t2 to ns before computing the compensation value
+ t2m = xran_timespec_to_ns(&t2);
+ // 9) Compute tcv2 as t2-tr
+ tcv2 = t2m - trm;
+ // 10) write cv2 to the CompensationValue field of the delay measurement response packet
+ pdm->deMeasPl.CompensationValue = rte_cpu_to_be_64(tcv2);
+ // 11) Fill the ethernet header properly by swapping src and dest addressed from the copied frame
+ eth_hdr = rte_pktmbuf_mtod(pkt1, struct rte_ether_hdr *);
+ /* Swap dest and src mac addresses. */
+ rte_ether_addr_copy(ð_hdr->d_addr, &addr);
+ rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
+ rte_ether_addr_copy(&addr, ð_hdr->s_addr);
+ // Still need to check ol_flags state and update if necessary
+ // Compute the delay td12 and save
+ // Still need to define the DB to save the info and run averages
+ td12 = t2m - tcv2 - (t1m + tcv1);
+ // 12) Send the response right away
+ struct rte_ether_hdr *h = (struct rte_ether_hdr *)rte_pktmbuf_mtod(pkt1, struct rte_ether_hdr*);
+#ifdef XRAN_OWD_DEBUG_PKTS
+ uint8_t *pc = &h->s_addr.addr_bytes[0];
+ printf(" Src MAC from packet: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pc[0],pc[1],pc[2],pc[3],pc[4],pc[5]);
+ uint8_t *pd = &h->d_addr.addr_bytes[0];
+ printf(" Dst MAC from packet: %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n", pd[0],pd[1],pd[2],pd[3],pd[4],pd[5]);
+// printf("EtherType: %04"PRIx16" \n",&h->ether_type);
+#endif
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt *, sizeof(struct rte_ether_hdr) );
+ pdm->cmnhdr.bits.ecpri_payl_size = 10 + powdc->owdm_PlLength; // 10 correponds to the xran_ecpri_delay_meas_pl minus the dummy_bytes field which now allows the user to select the length for this field to be sent
+ pdm->cmnhdr.bits.ecpri_payl_size = rte_cpu_to_be_16(pdm->cmnhdr.bits.ecpri_payl_size);
+ pdm->cmnhdr.bits.ecpri_mesg_type = ECPRI_DELAY_MEASUREMENT;
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf ("pdm has:%02"PRIx8" %04"PRIx16" %02"PRIx8" %02"PRIx8" \n", pdm->cmnhdr.bits.ecpri_mesg_type, pdm->cmnhdr.bits.ecpri_payl_size, pdm->cmnhdr.bits.ecpri_ver,pdm->deMeasPl.MeasurementID);
+#endif
+
+ // Copy dest address from above
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &pkt1, 1); // Need to check for the proper method of getting the port and mac address
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf ("in dly ms req sending response rte_eth_tx_burst returns %d for port %d\n",ret_value, *port);
+#endif
+ // 13) Update measurements DB and check if completed
+ powdp->delaySamples[powdp->numMeas]= td12 ;
+#ifdef XRAN_OWD_DEBUG_DELAY_INFO
+ printf("Computed delay is %08"PRIx64" MeasNum %d portId %d id is %d \n",powdp->delaySamples[powdp->numMeas],powdp->numMeas, port_id, p_xran_dev_ctx->fh_init.io_cfg.id);
+#endif
+
+ powdp->numMeas++;
+
+ if (powdp->numMeas == powdc->numberOfSamples)
+ {
+ xran_compute_and_report_delay_estimate(powdp, powdc->numberOfSamples, p_xran_dev_ctx->fh_init.io_cfg.id);
+ powdp->msState = XRAN_OWDM_DONE;
+ xran_if_current_state = XRAN_RUNNING;
+ }
+ else
+ {
+
+// powdp->msState = XRAN_OWDM_IDLE;
+ if (powdc->initiator_en)
+ {
+ // Reinitialize txDone for next pass
+ powdp->txDone = 0;
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Clear call 3 port id %d \n", port_id);
+#endif
+ xran_initialize_ecpri_del_meas_port(powdc, powdp,0);
+ }
+ }
+ return 1;
+
+}
+
+int xran_process_delmeas_request_w_fup(struct rte_mbuf *pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = FAIL;
+ struct xran_ecpri_delay_meas_pl* txDelayHdr;
+ TimeStamp pt2;
+ struct rte_mbuf* pkt1;
+ uint64_t trm;
+ struct xran_ecpri_del_meas_pkt* pdm= ptr;
+ struct timespec tr;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_io_cfg *cfg = &ctx->io_cfg;
+ int32_t* port = &cfg->port[port_id];
+
+ // Since we are processing the receipt of a delay measurement request with follow up packet the following actions
+ // need to be taken (Per eCPRI V2.0 Figure 26)
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("RX ecpri Measure Request with fup\n");
+#endif
+
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod(pkt, struct xran_ecpri_del_meas_pkt*);
+ // Record tr and save to memory with the associated measurement Id and Port
+ // 1) Record the current timestamp when the message was received i.e. tr
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // tr
+ {
+ errx(1, "Exit 1 owd rx f2 port_id %d",port_id);
+ return ret_value;
+ }
+ trm = xran_timespec_to_ns(&tr);
+ // Save trm so when the Follow Up packet is received we can compute tcv2 as t2-trm
+ powdp->tr = trm;
+ // Save the measurement Id
+ powdp->currentMeasID = pdm->deMeasPl.MeasurementID;
+ // Change the state to waiting for follow up
+ powdp->msState = XRAN_OWDM_WAITFUP;
+
+ return ret_value;
+
+}
+
+int xran_process_delmeas_response(struct rte_mbuf *pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = 1;
+ struct xran_ecpri_delay_meas_pl* txDelayHdr;
+ TimeStamp pt2;
+ struct rte_mbuf* pkt1;
+ uint64_t tcv1, tcv2,t2m,trm, td12;
+ struct xran_ecpri_del_meas_pkt* pdm;
+ struct timespec tr, t2;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_io_cfg *cfg = &ctx->io_cfg;
+ struct xran_io_cfg* cfg1 = &p_xran_dev_ctx->fh_init.io_cfg;
+ int32_t* port = &cfg->port[port_id];
+
+
+ // Since we are processing the receipt of a delay measurement response packet the following actions
+ // need to be taken (Per eCPRI V2.0 Figure 25)
+ // Need to know if a Remote Request was processed against this measurement ID if so then the receipt of the response
+ // is used to compute the one-way delay as td= (t2-tcv2) - (t1+tcv1) with t2, tcv2 contained in the packet and
+ // t1 and tcv1 stored from the previous Remote Request packet processing task
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("RX ecpri Measure Response \n");
+#endif
+
+ pdm = (struct xran_ecpri_del_meas_pkt*)(struct xran_ecpri_del_meas_pkt *)rte_pktmbuf_mtod(pkt, struct xran_ecpri_del_meas_pkt *);
+ // Save the measurement Id
+ powdp->currentMeasID = pdm->deMeasPl.MeasurementID;
+
+ // 1) Get time stamp T2 from the Timestamp field i.e. t2
+ pt2 = pdm->deMeasPl.ts;
+
+ // 2a) Convert to ns in the host format
+ t2m = xran_ptp_ts_to_ns(&pt2);
+ // 3) Get the compensation value from the packet i.e. tcv2
+ tcv2 = rte_be_to_cpu_64(pdm->deMeasPl.CompensationValue);
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf ("tcv2 at Gen is %08"PRIx64" \n",tcv2);
+#endif
+ // Compute the delay using the stored t1 and tcv1 used in the request message
+ // td= (t2-tcv2) - (t1+tcv1) where t1 and tcv1 have been stored previously for the same measurement ID
+#ifdef XRAN_OWD_DEBUG_TIME_STAMPS_INFO
+ printf("Delay comp at orig has t2m %08"PRIx64" tcv2 %08"PRIx64" t1 %08"PRIx64" delta %08"PRIx64" port_id %d \n", t2m,tcv2,powdp->t1 ,powdp->delta,port_id);
+#endif
+ powdp->delaySamples[powdp->numMeas]= (t2m-tcv2) -(powdp->t1 + powdp->delta);
+#ifdef XRAN_OWD_DEBUG_DELAY_INFO
+ printf("Computed delay is %08"PRIx64" MeasNum %d portId %d id is %d \n",powdp->delaySamples[powdp->numMeas],powdp->numMeas, port_id,p_xran_dev_ctx->fh_init.io_cfg.id );
+#endif
+
+ powdp->numMeas++;
+
+
+
+ if (powdp->numMeas == powdc->numberOfSamples)
+ {
+ xran_compute_and_report_delay_estimate(powdp, powdc->numberOfSamples,p_xran_dev_ctx->fh_init.io_cfg.id);
+ powdp->msState = XRAN_OWDM_DONE;
+ xran_if_current_state= XRAN_RUNNING;
+ }
+ else
+ {
+
+// powdp->msState = XRAN_OWDM_IDLE;
+ if (powdc->initiator_en)
+ {
+ // Reinitialize txDone for next pass
+ powdp->txDone = 0;
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Clear call_4 port_id %d \n", port_id);
+#endif
+ xran_initialize_ecpri_del_meas_port(powdc, powdp,0);
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Reseting done \n");
+#endif
+
+ }
+
+ }
+ // Needs work and change ret_value to OK
+ return ret_value;
+}
+
+int xran_process_delmeas_rem_request(struct rte_mbuf *pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = FAIL;
+ struct xran_ecpri_delay_meas_pl* txDelayHdr;
+ struct rte_mbuf* pkt1;
+ uint64_t tcv1,tr2m,trm;
+ struct xran_ecpri_del_meas_pkt* pdm;
+ char* pchar;
+ struct timespec tr2, tr;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ether_addr addr;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_io_cfg *cfg = &ctx->io_cfg;
+ int32_t* port = &cfg->port[port_id];
+
+ // Since we are processing the receipt of a delay measurement remote request packet the following actions
+ // need to be taken (Per eCPRI V2.0 Figure 25)
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("RX ecpri Measure Remote Request \n");
+#endif
+
+ // 1) Record the current timestamp when the message was received i.e. t1
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // t1
+ {
+ errx(1,"Exit 1 owd rx f4 port_id %d", port_id);
+ return ret_value;
+ }
+ trm = xran_timespec_to_ns(&tr);
+ // 2) Copy MeasurementID to the Delay Measurement Request packet
+ // but first prepend ethernet header since the info is still in the buffer
+ pchar = rte_pktmbuf_prepend(pkt, (uint16_t)sizeof(struct rte_ether_hdr));
+ pkt1 = rte_pktmbuf_copy(pkt, _eth_mbuf_pool, 0, UINT32_MAX);
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt*, sizeof(struct rte_ether_hdr));
+
+ // 3) Prepare the delay measurement request packet
+ pdm->deMeasPl.ActionType = ECPRI_REQUEST;
+ // 4) Record the current timestamp at the moment that the delay measurement packet is ready to be transmitted tr2 i.e.t1+tcv1 and write it
+ // to the Delay Measurement request packet PL field
+ if (clock_gettime(CLOCK_REALTIME, &tr2 )) // tr2
+ {
+ errx(1,"Exit 2 owd rx f4 port_id %d", port_id);
+ return ret_value;
+ }
+ // 5) Convert host to ptp time stamp format for tr2 and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->deMeasPl.ts, &tr);
+ // 6) Convert from Timestamp tr2 to ns before computing the compensation value
+ tr2m = xran_timespec_to_ns(&tr2);
+ // 7) Compute tcv1 as tr2m-trm
+ tcv1 = tr2m - trm;
+ // 8) write tcv1 to the CompensationValue field of the delay measurement request packet
+ pdm->deMeasPl.CompensationValue = rte_cpu_to_be_64(tcv1);
+ // 9) Fill the ethernet header properly by swapping src and dest addressed from the copied frame
+ eth_hdr = rte_pktmbuf_mtod(pkt1, struct rte_ether_hdr *);
+ /* Swap dest and src mac addresses. */
+ rte_ether_addr_copy(ð_hdr->d_addr, &addr);
+ rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
+ rte_ether_addr_copy(&addr, ð_hdr->s_addr);
+ // 10) Send the response right away
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt *, sizeof(struct rte_ether_hdr) );
+ pdm->cmnhdr.bits.ecpri_payl_size = 10 + powdc->owdm_PlLength; // 10 correponds to the xran_ecpri_delay_meas_pl minus the dummy_bytes field which now allows the user to select the length for this field to be sent
+ pdm->cmnhdr.bits.ecpri_payl_size = rte_cpu_to_be_16(pdm->cmnhdr.bits.ecpri_payl_size);
+ pdm->cmnhdr.bits.ecpri_mesg_type = ECPRI_DELAY_MEASUREMENT;
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("Ecpri Measure Sending Request Msg \n");
+#endif
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &pkt1, 1); // Need to check for the proper method of getting the port and mac address
+ // Still need to check ol_flags state and update if necessary
+ // Save the computed delays and the measurementId
+ powdp->t1 = trm;
+ powdp->delta = tcv1;
+ powdp->currentMeasID = pdm->deMeasPl.MeasurementID;
+ powdp->msState = XRAN_OWDM_WAITRESP;
+ return ret_value;
+
+
+}
+int xran_process_delmeas_rem_request_w_fup(struct rte_mbuf* pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = FAIL;
+ struct xran_ecpri_delay_meas_pl* txDelayHdr;
+ TimeStamp pt2;
+ struct rte_mbuf* pkt1;
+ struct rte_mbuf* pkt2;
+ uint64_t tcv1,tsm,t1;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ether_addr addr;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct xran_ecpri_del_meas_pkt* pdm;
+ struct timespec tr, ts;
+ char* pchar;
+
+
+ struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_io_cfg *cfg = &ctx->io_cfg;
+ int32_t* port = &cfg->port[port_id];
+ tsm = 0;
+
+ // Since we are processing the receipt of a delay measurement remote request with follow up packet the following
+ // actions need to be taken (Per eCPRI V2.0 Figure 26)
+ // record t1 for the packet arrival time and then prepare Request with follow up packet which uses 0 for timsetamp
+ // and for correctionvalue.
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("RX ecpri Measure Remote Request w Fup \n");
+#endif
+ // 1) Record the current timestamp when the message was received i.e. t1
+ if (clock_gettime(CLOCK_REALTIME, &tr )) // t1
+ {
+ errx(1,"Exit 1 owd rx f5 port_id %d", port_id);
+ return ret_value;
+ }
+ t1 = xran_timespec_to_ns(&tr);
+ // 2) Copy MeasurementID to the Delay Measurement Request packet
+ // but first prepend ethernet header since the info is still in the buffer
+ pchar = rte_pktmbuf_prepend(pkt, (uint16_t)sizeof(struct rte_ether_hdr));
+ pkt1 = rte_pktmbuf_copy(pkt, _eth_mbuf_pool, 0, UINT32_MAX);
+
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt*, sizeof(struct rte_ether_hdr));
+
+
+ // 3) Prepare the delay measurement request w fup packet
+ pdm->deMeasPl.ActionType = ECPRI_REQUEST_W_FUP;
+ // 4) Zero the ts and CompensationValue entries in the packet
+ ts.tv_sec=0;
+ ts.tv_nsec =0;
+ // 5) Convert host to ptp time stamp format for t2 and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->deMeasPl.ts, &ts);
+ // 6) write zero to the CompensationValue field of the delay measurement response packet
+ pdm->deMeasPl.CompensationValue = rte_cpu_to_be_64(tsm);
+ // 7) Fill the ethernet header properly by swapping src and dest addressed from the copied frame
+ eth_hdr = rte_pktmbuf_mtod(pkt1, struct rte_ether_hdr *);
+ /* Swap dest and src mac addresses. */
+ rte_ether_addr_copy(ð_hdr->d_addr, &addr);
+ rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
+ rte_ether_addr_copy(&addr, ð_hdr->s_addr);
+ // 8) Duplicate packet to be used for the follow up packet
+ pkt2 = rte_pktmbuf_copy(pkt1, _eth_mbuf_pool, 0, UINT32_MAX);
+ // 9) Record the current timestamp when the request with follow up is being sent
+ if (clock_gettime(CLOCK_REALTIME, &ts )) // ts
+ {
+ errx(1,"Exit 2 owd rx f5 port_id %d", port_id);
+ return ret_value;
+ }
+ // 10) Send the request with follow up
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("ecpri Measure sending Request with Fup \n");
+#endif
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &pkt1, 1); // Need to check for the proper method of getting the port and mac address
+
+ // After the Request with follow up packet has been sent, prepare follow up packet with t1 and tcv1, where
+ // tcv1 = ts - t1 and writing it to the outgoing packet
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt2, struct xran_ecpri_del_meas_pkt*, sizeof(struct rte_ether_hdr));
+ // 11) Prepare the delay measurement request with follow up packet
+ pdm->deMeasPl.ActionType = ECPRI_FOLLOW_UP;
+ // 12) Convert host to ptp time stamp format for t1 and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->deMeasPl.ts, &tr);
+ // 13) Convert from Timestamp t2 to ns before computing the compensation value
+ tsm = xran_timespec_to_ns(&ts);
+ // 14) Compute tcv1 as tsm-t1
+ tcv1 = tsm - t1;
+ // 15) write cv1 to the CompensationValue field of the delay measurement response packet
+ pdm->deMeasPl.CompensationValue = rte_cpu_to_be_64(tcv1);
+
+ // 16) Send the follow up message
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("ecpri Measure sending Follow Up \n");
+#endif
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &pkt2, 1); // Need to check for the proper method of getting the port and mac address
+
+ // Save trm since it will be used to compute tcv2 based on the arrival of the Follow Up packet
+ powdp->currentMeasID = pdm->deMeasPl.MeasurementID;
+ powdp->t1 = t1;
+ powdp->delta = tcv1;
+ powdp->msState = XRAN_OWDM_WAITRESP;
+
+ return ret_value;
+
+}
+
+int xran_process_delmeas_follow_up(struct rte_mbuf *pkt, void* handle, struct xran_ecpri_del_meas_pkt* ptr, uint16_t port_id)
+{
+ int ret_value = FAIL;
+ struct xran_ecpri_delay_meas_pl *txDelayHdr;
+ struct rte_mbuf *pkt1;
+ char* pChar= NULL;
+ uint64_t tcv1,tr2m, tcv2, t1;
+ struct xran_ecpri_del_meas_pkt *pdm;
+ struct timespec tr2, tr;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ether_addr addr;
+ TimeStamp pt1;
+ struct xran_device_ctx* p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_cmn* powdc = &p_xran_dev_ctx->fh_init.io_cfg.eowd_cmn[p_xran_dev_ctx->fh_init.io_cfg.id];
+ struct xran_ecpri_del_meas_port* powdp = &p_xran_dev_ctx->fh_init.io_cfg.eowd_port[p_xran_dev_ctx->fh_init.io_cfg.id][port_id];
+ struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_io_cfg *cfg = &ctx->io_cfg;
+ int32_t *port = &cfg->port[0];
+ // Since we are processing the receipt of a delay measurement follow up packet the following actions
+ // need to be taken (Per eCPRI V2.0 Figure 26)
+#ifdef XRAN_OWD_DEBUG_MSG_FLOW
+ printf("ecpri Measure received Followup \n");
+#endif
+
+ // 1) Record the current timestamp when the message was received i.e. tr2
+ if (clock_gettime(CLOCK_REALTIME, &tr2 )) // tr2
+ {
+ errx(1,"Exit 1 owd rx f6 port_id %d", port_id);
+ return ret_value;
+ }
+ tr2m = xran_timespec_to_ns(&tr2);
+
+
+ // 2) Copy MeasurementID to the Delay Measurement Response packet
+ // but first prepend ethernet header since the info is still in the buffer
+ pChar = rte_pktmbuf_prepend(pkt, (uint16_t)sizeof(struct rte_ether_hdr));
+ pkt1 = rte_pktmbuf_copy(pkt, _eth_mbuf_pool, 0, UINT32_MAX);
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt*, sizeof(struct rte_ether_hdr));
+
+ // 3) Get time stamp T1 from the Timestamp field i.e. t1
+ pt1 = pdm->deMeasPl.ts;
+ // 4) Convert to ns in the host format
+ t1 = xran_ptp_ts_to_ns(&pt1);
+ // 5) Get the compensation value from the packet i.e. tcv1
+ tcv1 = rte_be_to_cpu_64(pdm->deMeasPl.CompensationValue);
+
+ // 6) Prepare the delay measurement response packet
+ pdm->deMeasPl.ActionType = ECPRI_RESPONSE;
+
+ // 7) Convert host to ptp time stamp format for tr2 and write to the outgoing packet
+ xran_host_to_ptp_ts(&pdm->deMeasPl.ts, &tr2);
+ // 8) Convert from Timestamp tr2 to ns before computing the compensation value
+ tr2m = xran_timespec_to_ns(&tr2);
+ // 9) Compute tcv2 as tr2m-trm
+ tcv2 = tr2m - powdp->tr;
+ // 0) write tcv2 to the CompensationValue field of the delay measurement request packet
+ pdm->deMeasPl.CompensationValue = rte_cpu_to_be_64(tcv2);
+ // 9) Fill the ethernet header properly by swapping src and dest addressed from the copied frame
+ eth_hdr = rte_pktmbuf_mtod(pkt1, struct rte_ether_hdr *);
+ /* Swap dest and src mac addresses. */
+ rte_ether_addr_copy(ð_hdr->d_addr, &addr);
+ rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
+ rte_ether_addr_copy(&addr, ð_hdr->s_addr);
+ pdm = (struct xran_ecpri_del_meas_pkt*)rte_pktmbuf_mtod_offset(pkt1, struct xran_ecpri_del_meas_pkt *, sizeof(struct rte_ether_hdr) );
+ pdm->cmnhdr.bits.ecpri_payl_size = 10 + powdc->owdm_PlLength; // 10 correponds to the xran_ecpri_delay_meas_pl minus the dummy_bytes field which now allows the user to select the length for this field to be sent
+ pdm->cmnhdr.bits.ecpri_payl_size = rte_cpu_to_be_16(pdm->cmnhdr.bits.ecpri_payl_size);
+ pdm->cmnhdr.bits.ecpri_mesg_type = ECPRI_DELAY_MEASUREMENT;
+
+ // 10) Send the response right away
+ ret_value = rte_eth_tx_burst((uint16_t)*port, 0, &pkt1, 1); // Need to check for the proper method of getting the port and mac address
+
+ // Compute the delay using the stored t1 and tcv1 used in the request message
+ // td= (t2-tcv2) - (t1+tcv1) where t1 and tcv1 have been stored previously for the same measurement ID
+ powdp->delaySamples[powdp->numMeas]= (tr2m-tcv2) -(t1 + tcv1);
+#ifdef XRAN_OWD_DEBUG_DELAY_INFO
+ printf("Computed delay is %08"PRIx64" MeasNum %d portId %d id %d \n",powdp->delaySamples[powdp->numMeas],powdp->numMeas,port_id,p_xran_dev_ctx->fh_init.io_cfg.id);
+#endif
+ powdp->numMeas++;
+
+ if (powdp->numMeas == powdc->numberOfSamples)
+ {
+ xran_compute_and_report_delay_estimate(powdp, powdc->numberOfSamples, p_xran_dev_ctx->fh_init.io_cfg.id);
+ powdp->msState = XRAN_OWDM_DONE;
+ xran_if_current_state = XRAN_RUNNING;
+ }
+ else
+ {
+;
+// powdp->msState = XRAN_OWDM_IDLE;
+ if (powdc->initiator_en)
+ {
+ // Reinitialize txDone for next pass
+ powdp->txDone = 0;
+#ifdef XRAN_OWD_DEBUG_MEAS_DB
+ printf("Clear Call_5 port_id %d \n", port_id);
+#endif
+ xran_initialize_ecpri_del_meas_port(powdc, powdp,0);
+ }
+ }
+
+ return ret_value;
+
+}
+
+
+/**
+ * @brief Parse a Delay Measurement packet
+ * Transport layer fragmentation is not supported.
+ *
+ * @ingroup group_source_xran
+ *
+ * @param mbuf
+ * The pointer of the packet buffer to be parsed
+ * @param handle
+ * Pointer to an xran_device_ctx (cast)
+ * @return
+ * OK on success
+ * FAIL if failed to process the packet
+ */
+int process_delay_meas(struct rte_mbuf *pkt, void* handle, uint16_t port_id)
+{
+ struct xran_device_ctx * p_xran_dev_ctx = (struct xran_device_ctx *)handle;
+ struct xran_ecpri_del_meas_pkt *ecpri_delmeas_pkt;
+ union xran_ecpri_cmn_hdr * ecpricmn;
+ int ret_value = FAIL;
+#ifdef XRAN_OWD_DEBUG_PKTS
+ printf("pdm Device is %d\n", p_xran_dev_ctx->fh_init.io_cfg.id);
+#endif
+ /* Process eCPRI cmn header. */
+
+ // (void *)rte_pktmbuf_adj(pkt, sizeof(*ecpricmn));
+ ecpri_delmeas_pkt = (struct xran_ecpri_del_meas_pkt *)rte_pktmbuf_mtod(pkt, struct xran_ecpri_del_meas_pkt *);
+ // The processing of the delay measurement here corresponds to eCPRI sections 3.2.4.6.2 and 3.42.6.3
+
+ switch(ecpri_delmeas_pkt->deMeasPl.ActionType) {
+ case ECPRI_REQUEST:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc rx Dly Meas Req\n");
+#endif
+ ret_value = xran_process_delmeas_request(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ case ECPRI_REQUEST_W_FUP:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas rx Req w Fup\n");
+#endif
+ ret_value = xran_process_delmeas_request_w_fup(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ case ECPRI_RESPONSE:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas rx Resp\n");
+#endif
+ ret_value = xran_process_delmeas_response(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ case ECPRI_REMOTE_REQ:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas rx Rem Req\n");
+#endif
+ ret_value = xran_process_delmeas_rem_request(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ case ECPRI_REMOTE_REQ_W_FUP:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas Rem rx Req w Fup\n");
+#endif
+ ret_value = xran_process_delmeas_rem_request_w_fup(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ case ECPRI_FOLLOW_UP:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas rx Fup\n");
+#endif
+ ret_value = xran_process_delmeas_follow_up(pkt, p_xran_dev_ctx, ecpri_delmeas_pkt, port_id);
+ break;
+ default:
+#ifdef ORAN_OWD_DEBUG_MSG_FLOW
+ printf("Proc Dly Meas default\n");
+#endif
+ break;
+ }
+ return ret_value;
+
+}
Code Review / o-du / phy.git / blobdiff