*
*******************************************************************************/
-#ifndef _XRAN_COMMON_
-#define _XRAN_COMMON_
-
/**
- * @brief XRAN layer common functionality for both lls-CU and RU as well as C-plane and
+ * @brief XRAN layer common functionality for both O-DU and O-RU as well as C-plane and
* U-plane
* @file xran_common.c
* @ingroup group_source_xran
#include "ethdi.h"
#include "xran_pkt.h"
#include "xran_pkt_up.h"
-#include "xran_cp_api.h"
#include "xran_up_api.h"
+#include "xran_lib_mlog_tasks_id.h"
+
#include "../src/xran_printf.h"
+#include <rte_mbuf.h>
+#include "xran_mlog_lnx.h"
-#ifndef MLOG_ENABLED
-#include "mlog_lnx_xRAN.h"
-#else
-#include "mlog_lnx.h"
-#endif
+static struct timespec sleeptime = {.tv_nsec = 1E3 }; /* 1 us */
-#define MBUFS_CNT 256
+#define MBUFS_CNT 16
+
+extern long interval_us;
extern int xran_process_rx_sym(void *arg,
+ struct rte_mbuf *mbuf,
void *iq_data_start,
uint16_t size,
uint8_t CC_ID,
uint8_t frame_id,
uint8_t subframe_id,
uint8_t slot_id,
- uint8_t symb_id);
+ uint8_t symb_id,
+ uint16_t num_prbu,
+ uint16_t start_prbu,
+ uint16_t sym_inc,
+ uint16_t rb,
+ uint16_t sect_id,
+ uint32_t *mb_free);
+extern int xran_process_prach_sym(void *arg,
+ struct rte_mbuf *mbuf,
+ void *iq_data_start,
+ uint16_t size,
+ uint8_t CC_ID,
+ uint8_t Ant_ID,
+ uint8_t frame_id,
+ uint8_t subframe_id,
+ uint8_t slot_id,
+ uint8_t symb_id,
+ uint16_t num_prbu,
+ uint16_t start_prbu,
+ uint16_t sym_inc,
+ uint16_t rb,
+ uint16_t sect_id,
+ uint32_t *mb_free);
+
+extern int32_t xran_process_srs_sym(void *arg,
+ struct rte_mbuf *mbuf,
+ void *iq_data_start,
+ uint16_t size,
+ uint8_t CC_ID,
+ uint8_t Ant_ID,
+ uint8_t frame_id,
+ uint8_t subframe_id,
+ uint8_t slot_id,
+ uint8_t symb_id,
+ uint16_t num_prbu,
+ uint16_t start_prbu,
+ uint16_t sym_inc,
+ uint16_t rb,
+ uint16_t sect_id,
+ uint32_t *mb_free);
+
+extern int32_t xran_pkt_validate(void *arg,
+ struct rte_mbuf *mbuf,
+ void *iq_data_start,
+ uint16_t size,
+ uint8_t CC_ID,
+ uint8_t Ant_ID,
+ uint8_t frame_id,
+ uint8_t subframe_id,
+ uint8_t slot_id,
+ uint8_t symb_id,
+ struct ecpri_seq_id *seq_id,
+ uint16_t num_prbu,
+ uint16_t start_prbu,
+ uint16_t sym_inc,
+ uint16_t rb,
+ uint16_t sect_id);
+
+
+struct cb_elem_entry *xran_create_cb(XranSymCallbackFn cb_fn, void *cb_data)
+{
+ struct cb_elem_entry * cb_elm = (struct cb_elem_entry *)malloc(sizeof(struct cb_elem_entry));
+ if(cb_elm){
+ cb_elm->pSymCallback = cb_fn;
+ cb_elm->pSymCallbackTag = cb_data;
+ }
+
+ return cb_elm;
+}
+
+int xran_destroy_cb(struct cb_elem_entry * cb_elm)
+{
+ if(cb_elm)
+ free(cb_elm);
+ return 0;
+}
+
int process_mbuf(struct rte_mbuf *pkt)
{
void *iq_samp_buf;
struct ecpri_seq_id seq;
static int symbol_total_bytes = 0;
int num_bytes = 0;
- struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_device_ctx * p_x_ctx = xran_dev_get_ctx();
+ struct xran_common_counters *pCnt = &p_x_ctx->fh_counters;
+
uint8_t CC_ID = 0;
uint8_t Ant_ID = 0;
uint8_t frame_id = 0;
uint8_t slot_id = 0;
uint8_t symb_id = 0;
+ uint16_t num_prbu;
+ uint16_t start_prbu;
+ uint16_t sym_inc;
+ uint16_t rb;
+ uint16_t sect_id;
+
+ uint8_t compMeth = 0;
+ uint8_t iqWidth = 0;
+
+ void *pHandle = NULL;
+ int ret = MBUF_FREE;
+ uint32_t mb_free = 0;
+ int32_t valid_res = 0;
+ int expect_comp = (p_x_ctx->fh_cfg.ru_conf.compMeth != XRAN_COMPMETHOD_NONE);
+
+
+ if(p_x_ctx->xran2phy_mem_ready == 0)
+ return MBUF_FREE;
+
num_bytes = xran_extract_iq_samples(pkt,
&iq_samp_buf,
&CC_ID,
&subframe_id,
&slot_id,
&symb_id,
- &seq);
- if (num_bytes <= 0)
- return -1;
+ &seq,
+ &num_prbu,
+ &start_prbu,
+ &sym_inc,
+ &rb,
+ §_id,
+ expect_comp,
+ &compMeth,
+ &iqWidth);
+ if (num_bytes <= 0){
+ print_err("num_bytes is wrong [%d]\n", num_bytes);
+ return MBUF_FREE;
+ }
- symbol_total_bytes += num_bytes;
-
- if (seq.e_bit == 1) {
- print_dbg("Completed receiving symbol %d, size=%d bytes\n",
- symb_id, symbol_total_bytes);
-
- if (symbol_total_bytes)
- xran_process_rx_sym(NULL,
- iq_samp_buf,
- symbol_total_bytes,
- CC_ID,
- Ant_ID,
- frame_id,
- subframe_id,
- slot_id,
- symb_id);
- symbol_total_bytes = 0;
+ valid_res = xran_pkt_validate(NULL,
+ pkt,
+ iq_samp_buf,
+ num_bytes,
+ CC_ID,
+ Ant_ID,
+ frame_id,
+ subframe_id,
+ slot_id,
+ symb_id,
+ &seq,
+ num_prbu,
+ start_prbu,
+ sym_inc,
+ rb,
+ sect_id);
+
+ if(valid_res != 0) {
+ print_dbg("valid_res is wrong [%d] ant %u (%u : %u : %u : %u) seq %u num_bytes %d\n", valid_res, Ant_ID, frame_id, subframe_id, slot_id, symb_id, seq.seq_id, num_bytes);
+ return MBUF_FREE;
}
- return 0;
+ if (Ant_ID >= p_x_ctx->srs_cfg.eAxC_offset && p_x_ctx->fh_init.srsEnable) {
+ /* SRS packet has ruportid = 2*num_eAxc + ant_id */
+ Ant_ID -= p_x_ctx->srs_cfg.eAxC_offset;
+ symbol_total_bytes += num_bytes;
+
+ if (seq.e_bit == 1) {
+ print_dbg("SRS receiving symbol %d, size=%d bytes\n",
+ symb_id, symbol_total_bytes);
+
+ if (symbol_total_bytes) {
+ int16_t res = xran_process_srs_sym(NULL,
+ pkt,
+ iq_samp_buf,
+ num_bytes,
+ CC_ID,
+ Ant_ID,
+ frame_id,
+ subframe_id,
+ slot_id,
+ symb_id,
+ num_prbu,
+ start_prbu,
+ sym_inc,
+ rb,
+ sect_id,
+ &mb_free);
+
+ if(res == symbol_total_bytes) {
+ ret = mb_free;
+ } else {
+ print_err("res != symbol_total_bytes\n");
+ }
+ pCnt->rx_srs_packets++;
+ }
+ symbol_total_bytes = 0;
+ }
+ else {
+ print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");
+ }
+
+ } else if (Ant_ID >= p_x_ctx->PrachCPConfig.eAxC_offset && p_x_ctx->fh_init.prachEnable) {
+ /* PRACH packet has ruportid = num_eAxc + ant_id */
+ Ant_ID -= p_x_ctx->PrachCPConfig.eAxC_offset;
+ symbol_total_bytes += num_bytes;
+ if (seq.e_bit == 1) {
+ print_dbg("Completed receiving PRACH symbol %d, size=%d bytes\n",
+ symb_id, num_bytes);
+
+ if (symbol_total_bytes) {
+ int16_t res = xran_process_prach_sym(NULL,
+ pkt,
+ iq_samp_buf,
+ num_bytes,
+ CC_ID,
+ Ant_ID,
+ frame_id,
+ subframe_id,
+ slot_id,
+ symb_id,
+ num_prbu,
+ start_prbu,
+ sym_inc,
+ rb,
+ sect_id,
+ &mb_free);
+ if(res == symbol_total_bytes) {
+ ret = mb_free;
+ } else {
+ print_err("res != symbol_total_bytes\n");
+ }
+ pCnt->rx_prach_packets[Ant_ID]++;
+ }
+ symbol_total_bytes = 0;
+ } else {
+ print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");
+ }
+
+ } else { /* PUSCH */
+ symbol_total_bytes += num_bytes;
+
+ if (seq.e_bit == 1) {
+ print_dbg("Completed receiving symbol %d, size=%d bytes\n",
+ symb_id, symbol_total_bytes);
+
+ if (symbol_total_bytes) {
+ int res = xran_process_rx_sym(NULL,
+ pkt,
+ iq_samp_buf,
+ symbol_total_bytes,
+ CC_ID,
+ Ant_ID,
+ frame_id,
+ subframe_id,
+ slot_id,
+ symb_id,
+ num_prbu,
+ start_prbu,
+ sym_inc,
+ rb,
+ sect_id,
+ &mb_free);
+ if(res == symbol_total_bytes) {
+ ret = mb_free;
+ } else {
+ print_err("res != symbol_total_bytes\n");
+ }
+ pCnt->rx_pusch_packets[Ant_ID]++;
+ }
+ symbol_total_bytes = 0;
+ } else {
+ print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");
+ }
+ }
+
+ return ret;
}
static int set_iq_bit_width(uint8_t iq_bit_width, struct data_section_compression_hdr *compr_hdr)
}
/* Send a single 5G symbol over multiple packets */
-int send_symbol_ex(enum xran_pkt_dir direction,
+int32_t prepare_symbol_ex(enum xran_pkt_dir direction,
uint16_t section_id,
+ struct rte_mbuf *mb,
struct rb_map *data,
+ uint8_t compMeth,
+ uint8_t iqWidth,
+ const enum xran_input_byte_order iq_buf_byte_order,
uint8_t frame_id,
uint8_t subframe_id,
uint8_t slot_id,
int prb_num,
uint8_t CC_ID,
uint8_t RU_Port_ID,
- uint8_t seq_id)
+ uint8_t seq_id,
+ uint32_t do_copy)
{
- const int n_bytes = prb_num * N_SC_PER_PRB * sizeof(struct rb_map);
- int sent;
+ int32_t n_bytes = ((prb_num == 0) ? MAX_N_FULLBAND_SC : prb_num) * N_SC_PER_PRB * sizeof(struct rb_map);
+
+ n_bytes = ((iqWidth == 0) || (iqWidth == 16)) ? n_bytes : ((3 * iqWidth + 1 ) * prb_num);
+
+ int32_t prep_bytes;
+
+ int16_t nPktSize = sizeof(struct rte_ether_hdr) + sizeof(struct xran_ecpri_hdr) +
+ sizeof(struct radio_app_common_hdr)+ sizeof(struct data_section_hdr) + n_bytes;
uint32_t off;
- struct xran_up_pkt_gen_no_compression_params xp = { 0 };
+ struct xran_up_pkt_gen_params xp = { 0 };
+
+ if(compMeth != XRAN_COMPMETHOD_NONE)
+ nPktSize += sizeof(struct data_section_compression_hdr);
+
+ n_bytes = RTE_MIN(n_bytes, XRAN_MAX_MBUF_LEN);
/* radio app header */
xp.app_params.data_direction = direction;
xp.app_params.filter_id = 0;
xp.app_params.frame_id = frame_id;
xp.app_params.sf_slot_sym.subframe_id = subframe_id;
- xp.app_params.sf_slot_sym.slot_id = slot_id;
+ xp.app_params.sf_slot_sym.slot_id = xran_slotid_convert(slot_id, 0);
xp.app_params.sf_slot_sym.symb_id = symbol_no;
/* convert to network byte order */
xp.sec_hdr.fields.start_prbu = (uint8_t)prb_start;
xp.sec_hdr.fields.sym_inc = 0;
xp.sec_hdr.fields.rb = 0;
+#ifdef FCN_ADAPT
+ xp.sec_hdr.udCompHdr = 0;
+ xp.sec_hdr.reserved = 0;
+#endif
+
+ /* compression */
+ xp.compr_hdr_param.ud_comp_hdr.ud_comp_meth = compMeth;
+ xp.compr_hdr_param.ud_comp_hdr.ud_iq_width = iqWidth;
+ xp.compr_hdr_param.rsrvd = 0;
/* network byte order */
xp.sec_hdr.fields.all_bits = rte_cpu_to_be_32(xp.sec_hdr.fields.all_bits);
- struct rte_mbuf *mb = xran_ethdi_mbuf_alloc();
-
if (mb == NULL){
MLogPrint(NULL);
errx(1, "out of mbufs after %d packets", 1);
}
- sent = xran_prepare_iq_symbol_portion_no_comp(mb,
+ prep_bytes = xran_prepare_iq_symbol_portion(mb,
data,
+ iq_buf_byte_order,
n_bytes,
&xp,
CC_ID,
RU_Port_ID,
- seq_id);
- if (sent <= 0)
+ seq_id,
+ do_copy);
+ if (prep_bytes <= 0)
errx(1, "failed preparing symbol");
- xran_ethdi_mbuf_send(mb, ETHER_TYPE_ECPRI);
+ rte_pktmbuf_pkt_len(mb) = nPktSize;
+ rte_pktmbuf_data_len(mb) = nPktSize;
+
+#ifdef DEBUG
+ printf("Symbol %2d prep_bytes (%d packets, %d bytes)\n", symbol_no, i, n_bytes);
+#endif
+
+ return prep_bytes;
+}
+
+/* Send a single 5G symbol over multiple packets */
+int send_symbol_ex(enum xran_pkt_dir direction,
+ uint16_t section_id,
+ struct rte_mbuf *mb,
+ struct rb_map *data,
+ const enum xran_input_byte_order iq_buf_byte_order,
+ uint8_t frame_id,
+ uint8_t subframe_id,
+ uint8_t slot_id,
+ uint8_t symbol_no,
+ int prb_start,
+ int prb_num,
+ uint8_t CC_ID,
+ uint8_t RU_Port_ID,
+ uint8_t seq_id)
+{
+ uint32_t do_copy = 0;
+ int32_t n_bytes = ((prb_num == 0) ? MAX_N_FULLBAND_SC : prb_num) * N_SC_PER_PRB * sizeof(struct rb_map);
+ struct xran_device_ctx *p_x_ctx = xran_dev_get_ctx();
+ struct xran_common_counters *pCnt = &p_x_ctx->fh_counters;
+
+
+ if (mb == NULL){
+ char * pChar = NULL;
+ mb = xran_ethdi_mbuf_alloc(); /* will be freede by ETH */
+ if(mb == NULL){
+ MLogPrint(NULL);
+ errx(1, "out of mbufs after %d packets", 1);
+ }
+ pChar = rte_pktmbuf_append(mb, sizeof(struct xran_ecpri_hdr)+ sizeof(struct radio_app_common_hdr)+ sizeof(struct data_section_hdr) + n_bytes);
+ if(pChar == NULL){
+ MLogPrint(NULL);
+ errx(1, "incorrect mbuf size %d packets", 1);
+ }
+ pChar = rte_pktmbuf_prepend(mb, sizeof(struct rte_ether_hdr));
+ if(pChar == NULL){
+ MLogPrint(NULL);
+ errx(1, "incorrect mbuf size %d packets", 1);
+ }
+ do_copy = 1; /* new mbuf hence copy of IQs */
+ }else {
+ rte_pktmbuf_refcnt_update(mb, 1); /* make sure eth won't free our mbuf */
+ }
+
+ int32_t sent = prepare_symbol_ex(direction,
+ section_id,
+ mb,
+ data,
+ 0,
+ 16,
+ iq_buf_byte_order,
+ frame_id,
+ subframe_id,
+ slot_id,
+ symbol_no,
+ prb_start,
+ prb_num,
+ CC_ID,
+ RU_Port_ID,
+ seq_id,
+ do_copy);
+
+ if(sent){
+ pCnt->tx_counter++;
+ pCnt->tx_bytes_counter += rte_pktmbuf_pkt_len(mb);
+ p_x_ctx->send_upmbuf2ring(mb, ETHER_TYPE_ECPRI, xran_map_ecpriPcid_to_vf(direction, CC_ID, RU_Port_ID));
+ } else {
+
+ }
#ifdef DEBUG
printf("Symbol %2d sent (%d packets, %d bytes)\n", symbol_no, i, n_bytes);
return sent;
}
-int send_cpmsg_dlul(void *pHandle, enum xran_pkt_dir dir,
- uint8_t frame_id, uint8_t subframe_id, uint8_t slot_id,
- uint8_t startsym, uint8_t numsym, int prb_num,
- uint16_t beam_id,
- uint8_t cc_id, uint8_t ru_port_id,
- uint8_t seq_id)
+int send_cpmsg(void *pHandle, struct rte_mbuf *mbuf,struct xran_cp_gen_params *params,
+ struct xran_section_gen_info *sect_geninfo, uint8_t cc_id, uint8_t ru_port_id, uint8_t seq_id)
+{
+ int ret = 0, nsection, i;
+ uint8_t subframe_id = params->hdr.subframeId;
+ uint8_t slot_id = params->hdr.slotId;
+ uint8_t dir = params->dir;
+ struct xran_device_ctx *p_x_ctx = xran_dev_get_ctx();
+ struct xran_common_counters *pCnt = &p_x_ctx->fh_counters;
+
+ nsection = params->numSections;
+
+ /* add in the ethernet header */
+ struct rte_ether_hdr *const h = (void *)rte_pktmbuf_prepend(mbuf, sizeof(*h));
+
+ pCnt->tx_counter++;
+ pCnt->tx_bytes_counter += rte_pktmbuf_pkt_len(mbuf);
+ p_x_ctx->send_cpmbuf2ring(mbuf, ETHER_TYPE_ECPRI, xran_map_ecpriRtcid_to_vf(dir, cc_id, ru_port_id));
+ for(i=0; i<nsection; i++)
+ xran_cp_add_section_info(pHandle, dir, cc_id, ru_port_id,
+ (slot_id + subframe_id*SLOTNUM_PER_SUBFRAME)%XRAN_MAX_SECTIONDB_CTX,
+ §_geninfo[i].info);
+
+ return (ret);
+}
+
+int generate_cpmsg_dlul(void *pHandle, struct xran_cp_gen_params *params, struct xran_section_gen_info *sect_geninfo, struct rte_mbuf *mbuf,
+ enum xran_pkt_dir dir, uint8_t frame_id, uint8_t subframe_id, uint8_t slot_id,
+ uint8_t startsym, uint8_t numsym, uint16_t prb_start, uint16_t prb_num,int16_t iq_buffer_offset, int16_t iq_buffer_len,
+ uint16_t beam_id, uint8_t cc_id, uint8_t ru_port_id, uint8_t comp_method, uint8_t iqWidth, uint8_t seq_id, uint8_t symInc)
{
- struct xran_cp_gen_params params;
- struct xran_section_gen_info sect_geninfo[XRAN_MAX_NUM_SECTIONS];
- struct rte_mbuf *mbuf;
- int ret, nsection, i;
-
-
- params.dir = dir;
- params.sectionType = XRAN_CP_SECTIONTYPE_1; // Most DL/UL Radio Channels
- params.hdr.filterIdx = XRAN_FILTERINDEX_STANDARD;
- params.hdr.frameId = frame_id;
- params.hdr.subframeId = subframe_id;
- params.hdr.slotId = slot_id;
- params.hdr.startSymId = startsym; // start Symbol ID
- params.hdr.iqWidth = xran_get_conf_iqwidth(pHandle);
- params.hdr.compMeth = xran_get_conf_compmethod(pHandle);
+ int ret = 0, nsection, loc_sym;
+
+
+ params->dir = dir;
+ params->sectionType = XRAN_CP_SECTIONTYPE_1; // Most DL/UL Radio Channels
+ params->hdr.filterIdx = XRAN_FILTERINDEX_STANDARD;
+ params->hdr.frameId = frame_id;
+ params->hdr.subframeId = subframe_id;
+ params->hdr.slotId = slot_id;
+ params->hdr.startSymId = startsym; // start Symbol ID
+ params->hdr.iqWidth = iqWidth;
+ params->hdr.compMeth = comp_method;
nsection = 0;
- sect_geninfo[nsection].info.type = params.sectionType;
+ sect_geninfo[nsection].info.type = params->sectionType; // for database
+ sect_geninfo[nsection].info.startSymId = params->hdr.startSymId; // for database
+ sect_geninfo[nsection].info.iqWidth = params->hdr.iqWidth; // for database
+ sect_geninfo[nsection].info.compMeth = params->hdr.compMeth; // for database
sect_geninfo[nsection].info.id = xran_alloc_sectionid(pHandle, dir, cc_id, ru_port_id, slot_id);
sect_geninfo[nsection].info.rb = XRAN_RBIND_EVERY;
- sect_geninfo[nsection].info.symInc = XRAN_SYMBOLNUMBER_NOTINC;
- sect_geninfo[nsection].info.startPrbc = 0;
- sect_geninfo[nsection].info.numPrbc = NUM_OF_PRB_IN_FULL_BAND,
+ sect_geninfo[nsection].info.symInc = symInc;
+ sect_geninfo[nsection].info.startPrbc = prb_start;
+ sect_geninfo[nsection].info.numPrbc = prb_num;
sect_geninfo[nsection].info.numSymbol = numsym;
sect_geninfo[nsection].info.reMask = 0xfff;
sect_geninfo[nsection].info.beamId = beam_id;
- sect_geninfo[nsection].info.ef = 0; // no extension
+ for (loc_sym = 0; loc_sym < XRAN_NUM_OF_SYMBOL_PER_SLOT; loc_sym++) {
+ sect_geninfo[0].info.sec_desc[loc_sym].iq_buffer_offset = iq_buffer_offset;
+ sect_geninfo[0].info.sec_desc[loc_sym].iq_buffer_len = iq_buffer_len;
+ }
+
+ sect_geninfo[nsection].info.ef = 0;
sect_geninfo[nsection].exDataSize = 0;
- sect_geninfo[nsection].exData = NULL;
+// sect_geninfo[nsection].exData = NULL;
nsection++;
- params.numSections = nsection;
- params.sections = sect_geninfo;
+ params->numSections = nsection;
+ params->sections = sect_geninfo;
- mbuf = xran_ethdi_mbuf_alloc();
if(unlikely(mbuf == NULL)) {
print_err("Alloc fail!\n");
return (-1);
- }
+ }
- ret = xran_prepare_ctrl_pkt(mbuf, ¶ms, cc_id, ru_port_id, seq_id);
- if(ret < 0) {
+ ret = xran_prepare_ctrl_pkt(mbuf, params, cc_id, ru_port_id, seq_id);
+ if(ret < 0){
print_err("Fail to build control plane packet - [%d:%d:%d] dir=%d\n",
frame_id, subframe_id, slot_id, dir);
- }
- else {
- xran_ethdi_mbuf_send_cp(mbuf, ETHER_TYPE_ECPRI);
- for(i=0; i<nsection; i++)
- xran_cp_add_section_info(pHandle,
- dir, cc_id, ru_port_id, subframe_id, slot_id,
- §_geninfo[i].info);
- }
+ rte_pktmbuf_free(mbuf);
+ }
return (ret);
}
-int send_cpmsg_prach(void *pHandle,
+int generate_cpmsg_prach(void *pHandle, struct xran_cp_gen_params *params, struct xran_section_gen_info *sect_geninfo, struct rte_mbuf *mbuf, struct xran_device_ctx *pxran_lib_ctx,
uint8_t frame_id, uint8_t subframe_id, uint8_t slot_id,
- uint16_t beam_id, uint8_t cc_id, uint8_t prach_port_id,
- uint8_t seq_id)
+ uint16_t beam_id, uint8_t cc_id, uint8_t prach_port_id, uint8_t seq_id)
{
- struct xran_cp_gen_params params;
- struct xran_section_gen_info sect_geninfo[8];
- struct rte_mbuf *mbuf;
- int i, nsection, ret;
- struct xran_lib_ctx *pxran_lib_ctx = xran_lib_get_ctx();
- xRANPrachCPConfigStruct *pPrachCPConfig = &(pxran_lib_ctx->PrachCPConfig);
+ int nsection, ret;
+ struct xran_prach_cp_config *pPrachCPConfig = &(pxran_lib_ctx->PrachCPConfig);
+ uint16_t timeOffset;
+ uint16_t nNumerology = pxran_lib_ctx->fh_cfg.frame_conf.nNumerology;
+ if(unlikely(mbuf == NULL)) {
+ print_err("Alloc fail!\n");
+ return (-1);
+ }
#if 0
printf("%d:%d:%d:%d - filter=%d, startSym=%d[%d:%d], numSym=%d, occasions=%d, freqOff=%d\n",
frame_id, subframe_id, slot_id, prach_port_id,
pPrachCPConfig->occassionsInPrachSlot,
pPrachCPConfig->freqOffset);
#endif
-
- params.dir = XRAN_DIR_UL;
- params.sectionType = XRAN_CP_SECTIONTYPE_3;
- params.hdr.filterIdx = pPrachCPConfig->filterIdx;
- params.hdr.frameId = frame_id;
- params.hdr.subframeId = subframe_id;
- params.hdr.slotId = slot_id;
- params.hdr.startSymId = pPrachCPConfig->startSymId;
- params.hdr.iqWidth = xran_get_conf_iqwidth(pHandle);
- params.hdr.compMeth = xran_get_conf_compmethod(pHandle);
+ timeOffset = pPrachCPConfig->timeOffset; //this is the CP value per 38.211 tab 6.3.3.1-1&2
+ timeOffset = timeOffset >> nNumerology; //original number is Tc, convert to Ts based on mu
+ if (pPrachCPConfig->startSymId > 0)
+ {
+ timeOffset += (pPrachCPConfig->startSymId * 2048) >> nNumerology;
+ if ((slot_id == 0) || (slot_id == (SLOTNUM_PER_SUBFRAME >> 1)))
+ timeOffset += 16;
+ }
+ params->dir = XRAN_DIR_UL;
+ params->sectionType = XRAN_CP_SECTIONTYPE_3;
+ params->hdr.filterIdx = pPrachCPConfig->filterIdx;
+ params->hdr.frameId = frame_id;
+ params->hdr.subframeId = subframe_id;
+ params->hdr.slotId = slot_id;
+ params->hdr.startSymId = pPrachCPConfig->startSymId;
+ params->hdr.iqWidth = xran_get_conf_iqwidth(pHandle);
+ params->hdr.compMeth = xran_get_conf_compmethod(pHandle);
/* use timeOffset field for the CP length value for prach sequence */
- params.hdr.timeOffset = pPrachCPConfig->timeOffset;
- params.hdr.fftSize = xran_get_conf_fftsize(pHandle);
- params.hdr.scs = xran_get_conf_prach_scs(pHandle);
- params.hdr.cpLength = 0;
+ params->hdr.timeOffset = timeOffset;
+ params->hdr.fftSize = xran_get_conf_fftsize(pHandle);
+ params->hdr.scs = xran_get_conf_prach_scs(pHandle);
+ params->hdr.cpLength = 0;
nsection = 0;
- sect_geninfo[nsection].info.type = params.sectionType;
- sect_geninfo[nsection].info.id = xran_alloc_sectionid(pHandle, XRAN_DIR_UL, cc_id, prach_port_id, slot_id);
- sect_geninfo[nsection].info.rb = XRAN_RBIND_EVERY;
- sect_geninfo[nsection].info.symInc = XRAN_SYMBOLNUMBER_NOTINC;
- sect_geninfo[nsection].info.startPrbc = pPrachCPConfig->startPrbc;
- sect_geninfo[nsection].info.numPrbc = pPrachCPConfig->numPrbc,
- sect_geninfo[nsection].info.numSymbol = pPrachCPConfig->numSymbol*pPrachCPConfig->occassionsInPrachSlot;
- sect_geninfo[nsection].info.reMask = 0xfff;
- sect_geninfo[nsection].info.beamId = beam_id;
- sect_geninfo[nsection].info.freqOffset= pPrachCPConfig->freqOffset;
-
- sect_geninfo[nsection].info.ef = 0; // no extension
- sect_geninfo[nsection].exDataSize = 0;
- sect_geninfo[nsection].exData = NULL;
- nsection++;
+ sect_geninfo[nsection].info.type = params->sectionType; // for database
+ sect_geninfo[nsection].info.startSymId = params->hdr.startSymId; // for database
+ sect_geninfo[nsection].info.iqWidth = params->hdr.iqWidth; // for database
+ sect_geninfo[nsection].info.compMeth = params->hdr.compMeth; // for database
+ sect_geninfo[nsection].info.id = xran_alloc_sectionid(pHandle, XRAN_DIR_UL, cc_id, prach_port_id, slot_id);
+ sect_geninfo[nsection].info.rb = XRAN_RBIND_EVERY;
+ sect_geninfo[nsection].info.symInc = XRAN_SYMBOLNUMBER_NOTINC;
+ sect_geninfo[nsection].info.startPrbc = pPrachCPConfig->startPrbc;
+ sect_geninfo[nsection].info.numPrbc = pPrachCPConfig->numPrbc,
+ sect_geninfo[nsection].info.numSymbol = pPrachCPConfig->numSymbol*pPrachCPConfig->occassionsInPrachSlot;
+ sect_geninfo[nsection].info.reMask = 0xfff;
+ sect_geninfo[nsection].info.beamId = beam_id;
+ sect_geninfo[nsection].info.freqOffset = pPrachCPConfig->freqOffset;
- params.numSections = nsection;
- params.sections = sect_geninfo;
+ pxran_lib_ctx->prach_last_symbol[cc_id] = sect_geninfo[nsection].info.startSymId + sect_geninfo[nsection].info.numSymbol - 1;
- mbuf = xran_ethdi_mbuf_alloc();
- if(unlikely(mbuf == NULL)) {
- print_err("Alloc fail!\n");
- return (-1);
- }
+ sect_geninfo[nsection].info.ef = 0;
+ sect_geninfo[nsection].exDataSize = 0;
+// sect_geninfo[nsection].exData = NULL;
+ nsection++;
- ret = xran_prepare_ctrl_pkt(mbuf, ¶ms, cc_id, prach_port_id, seq_id);
- if(ret < 0) {
- print_err("Fail to build prach control packet - [%d:%d:%d]\n", frame_id, subframe_id, slot_id);
- return (ret);
- }
- else {
- xran_ethdi_mbuf_send_cp(mbuf, ETHER_TYPE_ECPRI);
- for(i=0; i < nsection; i++)
- xran_cp_add_section_info(pHandle,
- XRAN_DIR_UL, cc_id, prach_port_id, subframe_id, slot_id,
- §_geninfo[i].info);
- }
+ params->numSections = nsection;
+ params->sections = sect_geninfo;
- return (ret);
+ ret = xran_prepare_ctrl_pkt(mbuf, params, cc_id, prach_port_id, seq_id);
+ if(ret < 0){
+ print_err("Fail to build prach control packet - [%d:%d:%d]\n", frame_id, subframe_id, slot_id);
+ rte_pktmbuf_free(mbuf);
+ }
+ return ret;
}
struct rte_mbuf *mbufs[MBUFS_CNT];
int i;
uint32_t remaining;
+ uint64_t t1;
const uint16_t dequeued = rte_ring_dequeue_burst(r, (void **)mbufs,
RTE_DIM(mbufs), &remaining);
if (!dequeued)
return 0;
+
+ t1 = MLogTick();
for (i = 0; i < dequeued; ++i) {
if (xran_ethdi_filter_packet(mbufs[i], 0) == MBUF_FREE)
rte_pktmbuf_free(mbufs[i]);
}
+ MLogTask(PID_PROCESS_UP_PKT, t1, MLogTick());
return remaining;
}
-int ring_processing_thread(void *args)
+int32_t ring_processing_func(void)
{
- struct timespec tv = {0};
- int64_t prev_nsec = 0;
- uint8_t is_timer_set = 0;
struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();
+ struct xran_device_ctx *const pxran_lib_ctx = xran_dev_get_ctx();
+ int16_t retPoll = 0;
+ int32_t i;
+ uint64_t t1, t2;
+
+ rte_timer_manage();
+
+ if (pxran_lib_ctx->bbdev_dec) {
+ t1 = MLogTick();
+ retPoll = pxran_lib_ctx->bbdev_dec();
+ if (retPoll != -1)
+ {
+ t2 = MLogTick();
+ MLogTask(PID_XRAN_BBDEV_UL_POLL + retPoll, t1, t2);
+ }
+ }
+
+ if (pxran_lib_ctx->bbdev_enc) {
+ t1 = MLogTick();
+ retPoll = pxran_lib_ctx->bbdev_enc();
+ if (retPoll != -1)
+ {
+ t2 = MLogTick();
+ MLogTask(PID_XRAN_BBDEV_DL_POLL + retPoll, t1, t2);
+ }
+ }
+
+ /* UP first */
+
+ for (i = 0; i < ctx->io_cfg.num_vfs && i < (XRAN_VF_MAX - 1); i = i+2){
+ if (process_ring(ctx->rx_ring[i]))
+ return 0;
+
+ /* CP next */
+ if(ctx->io_cfg.id == O_RU) /* process CP only on O-RU */
+ if (process_ring(ctx->rx_ring[i+1]))
+ return 0;
+ }
+
+ if (XRAN_STOPPED == xran_if_current_state)
+ return -1;
+
+ return 0;
+}
+
+int ring_processing_thread(void *args)
+{
struct sched_param sched_param;
+ struct xran_device_ctx *const p_xran_dev_ctx = xran_dev_get_ctx();
int res = 0;
+ memset(&sched_param, 0, sizeof(struct sched_param));
+
printf("%s [CPU %2d] [PID: %6d]\n", __FUNCTION__, rte_lcore_id(), getpid());
sched_param.sched_priority = XRAN_THREAD_DEFAULT_PRIO;
- if ((res = pthread_setschedparam(pthread_self(), SCHED_FIFO, &sched_param)))
- {
+ if ((res = pthread_setschedparam(pthread_self(), SCHED_FIFO, &sched_param))){
printf("priority is not changed: coreId = %d, result1 = %d\n",rte_lcore_id(), res);
}
- for (;;) {
- if (!is_timer_set) {
- if (clock_gettime(CLOCK_REALTIME, &tv) != 0)
- err(1, "gettimeofday() failed");
- if (tv.tv_nsec % 125000 < prev_nsec % 125000) { /* crossed an 125ms boundary */
- rte_timer_manage(); /* timers only run on IO core */
- is_timer_set = 1;
- }
- prev_nsec = tv.tv_nsec;
- } else {
- rte_timer_manage();
- }
- /* UP first */
- if (process_ring(ctx->rx_ring[ETHDI_UP_VF]))
- continue;
- /* CP next */
- if (process_ring(ctx->rx_ring[ETHDI_CP_VF]))
- continue;
-
- if (XRAN_STOPPED == xran_if_current_state)
+ for (;;){
+ if(ring_processing_func() != 0)
break;
+
+ /* work around for some kernel */
+ if(p_xran_dev_ctx->fh_init.io_cfg.io_sleep)
+ nanosleep(&sleeptime,NULL);
}
puts("Pkt processing thread finished.");
return 0;
}
-#endif /* _XRAN_COMMON_ */