-/******************************************************************************\r
-*\r
-* Copyright (c) 2019 Intel.\r
-*\r
-* Licensed under the Apache License, Version 2.0 (the "License");\r
-* you may not use this file except in compliance with the License.\r
-* You may obtain a copy of the License at\r
-*\r
-* http://www.apache.org/licenses/LICENSE-2.0\r
-*\r
-* Unless required by applicable law or agreed to in writing, software\r
-* distributed under the License is distributed on an "AS IS" BASIS,\r
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
-* See the License for the specific language governing permissions and\r
-* limitations under the License.\r
-*\r
-*******************************************************************************/\r
-\r
-/**\r
- * @brief XRAN layer common functionality for both O-DU and O-RU as well as C-plane and\r
- * U-plane\r
- * @file xran_common.c\r
- * @ingroup group_source_xran\r
- * @author Intel Corporation\r
- **/\r
-\r
-#include <assert.h>\r
-#include <err.h>\r
-#include <arpa/inet.h>\r
-#include <sys/time.h>\r
-#include <time.h>\r
-\r
-#include "xran_common.h"\r
-#include "ethdi.h"\r
-#include "xran_pkt.h"\r
-#include "xran_pkt_up.h"\r
-#include "xran_up_api.h"\r
-#include "xran_lib_mlog_tasks_id.h"\r
-\r
-#include "../src/xran_printf.h"\r
-#include <rte_mbuf.h>\r
-#include "xran_mlog_lnx.h"\r
-\r
-#define MBUFS_CNT 16\r
-\r
-extern long interval_us;\r
-\r
-extern int xran_process_rx_sym(void *arg,\r
- struct rte_mbuf *mbuf,\r
- void *iq_data_start,\r
- uint16_t size,\r
- uint8_t CC_ID,\r
- uint8_t Ant_ID,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symb_id,\r
- uint16_t num_prbu,\r
- uint16_t start_prbu,\r
- uint16_t sym_inc,\r
- uint16_t rb,\r
- uint16_t sect_id,\r
- uint32_t *mb_free);\r
-\r
-\r
-extern int xran_process_prach_sym(void *arg,\r
- struct rte_mbuf *mbuf,\r
- void *iq_data_start,\r
- uint16_t size,\r
- uint8_t CC_ID,\r
- uint8_t Ant_ID,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symb_id,\r
- uint16_t num_prbu,\r
- uint16_t start_prbu,\r
- uint16_t sym_inc,\r
- uint16_t rb,\r
- uint16_t sect_id,\r
- uint32_t *mb_free);\r
-\r
-extern int32_t xran_process_srs_sym(void *arg,\r
- struct rte_mbuf *mbuf,\r
- void *iq_data_start,\r
- uint16_t size,\r
- uint8_t CC_ID,\r
- uint8_t Ant_ID,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symb_id,\r
- uint16_t num_prbu,\r
- uint16_t start_prbu,\r
- uint16_t sym_inc,\r
- uint16_t rb,\r
- uint16_t sect_id,\r
- uint32_t *mb_free);\r
-\r
-extern int32_t xran_pkt_validate(void *arg,\r
- struct rte_mbuf *mbuf,\r
- void *iq_data_start,\r
- uint16_t size,\r
- uint8_t CC_ID,\r
- uint8_t Ant_ID,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symb_id,\r
- struct ecpri_seq_id *seq_id,\r
- uint16_t num_prbu,\r
- uint16_t start_prbu,\r
- uint16_t sym_inc,\r
- uint16_t rb,\r
- uint16_t sect_id);\r
-\r
-long rx_counter = 0;\r
-long tx_counter = 0;\r
-long tx_bytes_counter = 0;\r
-long rx_bytes_counter = 0;\r
-long tx_bytes_per_sec = 0;\r
-long rx_bytes_per_sec = 0;\r
-\r
-\r
-struct cb_elem_entry *xran_create_cb(XranSymCallbackFn cb_fn, void *cb_data)\r
-{\r
- struct cb_elem_entry * cb_elm = (struct cb_elem_entry *)malloc(sizeof(struct cb_elem_entry));\r
- if(cb_elm){\r
- cb_elm->pSymCallback = cb_fn;\r
- cb_elm->pSymCallbackTag = cb_data;\r
- }\r
-\r
- return cb_elm;\r
-}\r
-\r
-int xran_destroy_cb(struct cb_elem_entry * cb_elm)\r
-{\r
- if(cb_elm)\r
- free(cb_elm);\r
- return 0;\r
-}\r
-\r
-int process_mbuf(struct rte_mbuf *pkt)\r
-{\r
- void *iq_samp_buf;\r
- struct ecpri_seq_id seq;\r
- static int symbol_total_bytes = 0;\r
- int num_bytes = 0;\r
- struct xran_device_ctx * p_x_ctx = xran_dev_get_ctx();\r
-\r
- uint8_t CC_ID = 0;\r
- uint8_t Ant_ID = 0;\r
- uint8_t frame_id = 0;\r
- uint8_t subframe_id = 0;\r
- uint8_t slot_id = 0;\r
- uint8_t symb_id = 0;\r
-\r
- uint16_t num_prbu;\r
- uint16_t start_prbu;\r
- uint16_t sym_inc;\r
- uint16_t rb;\r
- uint16_t sect_id;\r
-\r
- uint8_t compMeth = 0;\r
- uint8_t iqWidth = 0;\r
-\r
- void *pHandle = NULL;\r
- uint8_t num_eAxc = xran_get_num_eAxc(pHandle);\r
- int ret = MBUF_FREE;\r
- uint32_t mb_free = 0;\r
- int32_t valid_res = 0;\r
- int expect_comp = (p_x_ctx->fh_cfg.ru_conf.compMeth != XRAN_COMPMETHOD_NONE);\r
-\r
-\r
- if(p_x_ctx->xran2phy_mem_ready == 0)\r
- return MBUF_FREE;\r
-\r
- num_bytes = xran_extract_iq_samples(pkt,\r
- &iq_samp_buf,\r
- &CC_ID,\r
- &Ant_ID,\r
- &frame_id,\r
- &subframe_id,\r
- &slot_id,\r
- &symb_id,\r
- &seq,\r
- &num_prbu,\r
- &start_prbu,\r
- &sym_inc,\r
- &rb,\r
- §_id,\r
- expect_comp,\r
- &compMeth,\r
- &iqWidth);\r
- if (num_bytes <= 0){\r
- print_err("num_bytes is wrong [%d]\n", num_bytes);\r
- return MBUF_FREE;\r
- }\r
-\r
- valid_res = xran_pkt_validate(NULL,\r
- pkt,\r
- iq_samp_buf,\r
- num_bytes,\r
- CC_ID,\r
- Ant_ID,\r
- frame_id,\r
- subframe_id,\r
- slot_id,\r
- symb_id,\r
- &seq,\r
- num_prbu,\r
- start_prbu,\r
- sym_inc,\r
- rb,\r
- sect_id);\r
-\r
- if(valid_res != 0) {\r
- print_err("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);\r
- return MBUF_FREE;\r
- }\r
-\r
- if (Ant_ID >= p_x_ctx->srs_cfg.eAxC_offset && p_x_ctx->fh_init.srsEnable) {\r
- /* SRS packet has ruportid = 2*num_eAxc + ant_id */\r
- Ant_ID -= p_x_ctx->srs_cfg.eAxC_offset;\r
- symbol_total_bytes += num_bytes;\r
-\r
- if (seq.e_bit == 1) {\r
- print_dbg("Completed receiving symbol %d, size=%d bytes\n",\r
- symb_id, symbol_total_bytes);\r
-\r
- if (symbol_total_bytes) {\r
- int16_t res = xran_process_srs_sym(NULL,\r
- pkt,\r
- iq_samp_buf,\r
- num_bytes,\r
- CC_ID,\r
- Ant_ID,\r
- frame_id,\r
- subframe_id,\r
- slot_id,\r
- symb_id,\r
- num_prbu,\r
- start_prbu,\r
- sym_inc,\r
- rb,\r
- sect_id,\r
- &mb_free);\r
-\r
- if(res == symbol_total_bytes) {\r
- ret = mb_free;\r
- } else {\r
- print_err("res != symbol_total_bytes\n");\r
- }\r
- }\r
- symbol_total_bytes = 0;\r
- }\r
- else {\r
- print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");\r
- }\r
-\r
- } else if (Ant_ID >= p_x_ctx->PrachCPConfig.eAxC_offset && p_x_ctx->fh_init.prachEnable) {\r
- /* PRACH packet has ruportid = num_eAxc + ant_id */\r
- Ant_ID -= p_x_ctx->PrachCPConfig.eAxC_offset;\r
- symbol_total_bytes += num_bytes;\r
- if (seq.e_bit == 1) {\r
- print_dbg("Completed receiving PRACH symbol %d, size=%d bytes\n",\r
- symb_id, num_bytes);\r
-\r
- if (symbol_total_bytes) {\r
- int16_t res = xran_process_prach_sym(NULL,\r
- pkt,\r
- iq_samp_buf,\r
- num_bytes,\r
- CC_ID,\r
- Ant_ID,\r
- frame_id,\r
- subframe_id,\r
- slot_id,\r
- symb_id,\r
- num_prbu,\r
- start_prbu,\r
- sym_inc,\r
- rb,\r
- sect_id,\r
- &mb_free);\r
- if(res == symbol_total_bytes) {\r
- ret = mb_free;\r
- } else {\r
- print_err("res != symbol_total_bytes\n");\r
- }\r
- }\r
- symbol_total_bytes = 0;\r
- } else {\r
- print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");\r
- }\r
-\r
- } else { /* PUSCH */\r
- symbol_total_bytes += num_bytes;\r
-\r
- if (seq.e_bit == 1) {\r
- print_dbg("Completed receiving symbol %d, size=%d bytes\n",\r
- symb_id, symbol_total_bytes);\r
-\r
- if (symbol_total_bytes) {\r
- int res = xran_process_rx_sym(NULL,\r
- pkt,\r
- iq_samp_buf,\r
- symbol_total_bytes,\r
- CC_ID,\r
- Ant_ID,\r
- frame_id,\r
- subframe_id,\r
- slot_id,\r
- symb_id,\r
- num_prbu,\r
- start_prbu,\r
- sym_inc,\r
- rb,\r
- sect_id,\r
- &mb_free);\r
- if(res == symbol_total_bytes) {\r
- ret = mb_free;\r
- } else {\r
- print_err("res != symbol_total_bytes\n");\r
- }\r
- }\r
- symbol_total_bytes = 0;\r
- } else {\r
- print_dbg("Transport layer fragmentation (eCPRI) is not supported\n");\r
- }\r
- }\r
-\r
- return ret;\r
-}\r
-\r
-static int set_iq_bit_width(uint8_t iq_bit_width, struct data_section_compression_hdr *compr_hdr)\r
-{\r
- if (iq_bit_width == MAX_IQ_BIT_WIDTH)\r
- compr_hdr->ud_comp_hdr.ud_iq_width = (uint8_t) 0;\r
- else\r
- compr_hdr->ud_comp_hdr.ud_iq_width = iq_bit_width;\r
-\r
- return 0;\r
-\r
-}\r
-\r
-/* Send a single 5G symbol over multiple packets */\r
-int32_t prepare_symbol_ex(enum xran_pkt_dir direction,\r
- uint16_t section_id,\r
- struct rte_mbuf *mb,\r
- struct rb_map *data,\r
- uint8_t compMeth,\r
- uint8_t iqWidth,\r
- const enum xran_input_byte_order iq_buf_byte_order,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symbol_no,\r
- int prb_start,\r
- int prb_num,\r
- uint8_t CC_ID,\r
- uint8_t RU_Port_ID,\r
- uint8_t seq_id,\r
- uint32_t do_copy)\r
-{\r
- int32_t n_bytes = ((prb_num == 0) ? MAX_N_FULLBAND_SC : prb_num) * N_SC_PER_PRB * sizeof(struct rb_map);\r
-\r
- n_bytes = ((iqWidth == 0) || (iqWidth == 16)) ? n_bytes : ((3 * iqWidth + 1 ) * prb_num);\r
-\r
- int32_t prep_bytes;\r
-\r
- int16_t nPktSize = sizeof(struct ether_hdr) + sizeof(struct xran_ecpri_hdr) +\r
- sizeof(struct radio_app_common_hdr)+ sizeof(struct data_section_hdr) + n_bytes;\r
- uint32_t off;\r
- struct xran_up_pkt_gen_params xp = { 0 };\r
-\r
- if(compMeth != XRAN_COMPMETHOD_NONE)\r
- nPktSize += sizeof(struct data_section_compression_hdr);\r
-\r
- n_bytes = RTE_MIN(n_bytes, XRAN_MAX_MBUF_LEN);\r
-\r
- /* radio app header */\r
- xp.app_params.data_direction = direction;\r
- xp.app_params.payl_ver = 1;\r
- xp.app_params.filter_id = 0;\r
- xp.app_params.frame_id = frame_id;\r
- xp.app_params.sf_slot_sym.subframe_id = subframe_id;\r
- xp.app_params.sf_slot_sym.slot_id = slot_id;\r
- xp.app_params.sf_slot_sym.symb_id = symbol_no;\r
-\r
- /* convert to network byte order */\r
- xp.app_params.sf_slot_sym.value = rte_cpu_to_be_16(xp.app_params.sf_slot_sym.value);\r
-\r
- xp.sec_hdr.fields.sect_id = section_id;\r
- xp.sec_hdr.fields.num_prbu = (uint8_t)prb_num;\r
- xp.sec_hdr.fields.start_prbu = (uint8_t)prb_start;\r
- xp.sec_hdr.fields.sym_inc = 0;\r
- xp.sec_hdr.fields.rb = 0;\r
-\r
- /* compression */\r
- xp.compr_hdr_param.ud_comp_hdr.ud_comp_meth = compMeth;\r
- xp.compr_hdr_param.ud_comp_hdr.ud_iq_width = iqWidth;\r
- xp.compr_hdr_param.rsrvd = 0;\r
-\r
- /* network byte order */\r
- xp.sec_hdr.fields.all_bits = rte_cpu_to_be_32(xp.sec_hdr.fields.all_bits);\r
-\r
- if (mb == NULL){\r
- MLogPrint(NULL);\r
- errx(1, "out of mbufs after %d packets", 1);\r
- }\r
-\r
- prep_bytes = xran_prepare_iq_symbol_portion(mb,\r
- data,\r
- iq_buf_byte_order,\r
- n_bytes,\r
- &xp,\r
- CC_ID,\r
- RU_Port_ID,\r
- seq_id,\r
- do_copy);\r
- if (prep_bytes <= 0)\r
- errx(1, "failed preparing symbol");\r
-\r
- rte_pktmbuf_pkt_len(mb) = nPktSize;\r
- rte_pktmbuf_data_len(mb) = nPktSize;\r
-\r
-#ifdef DEBUG\r
- printf("Symbol %2d prep_bytes (%d packets, %d bytes)\n", symbol_no, i, n_bytes);\r
-#endif\r
-\r
- return prep_bytes;\r
-}\r
-\r
-/* Send a single 5G symbol over multiple packets */\r
-int send_symbol_ex(enum xran_pkt_dir direction,\r
- uint16_t section_id,\r
- struct rte_mbuf *mb,\r
- struct rb_map *data,\r
- const enum xran_input_byte_order iq_buf_byte_order,\r
- uint8_t frame_id,\r
- uint8_t subframe_id,\r
- uint8_t slot_id,\r
- uint8_t symbol_no,\r
- int prb_start,\r
- int prb_num,\r
- uint8_t CC_ID,\r
- uint8_t RU_Port_ID,\r
- uint8_t seq_id)\r
-{\r
- uint32_t do_copy = 0;\r
- int32_t n_bytes = ((prb_num == 0) ? MAX_N_FULLBAND_SC : prb_num) * N_SC_PER_PRB * sizeof(struct rb_map);\r
- struct xran_device_ctx *p_x_ctx = xran_dev_get_ctx();\r
-\r
- if (mb == NULL){\r
- char * pChar = NULL;\r
- mb = xran_ethdi_mbuf_alloc(); /* will be freede by ETH */\r
- if(mb == NULL){\r
- MLogPrint(NULL);\r
- errx(1, "out of mbufs after %d packets", 1);\r
- }\r
- pChar = rte_pktmbuf_append(mb, sizeof(struct xran_ecpri_hdr)+ sizeof(struct radio_app_common_hdr)+ sizeof(struct data_section_hdr) + n_bytes);\r
- if(pChar == NULL){\r
- MLogPrint(NULL);\r
- errx(1, "incorrect mbuf size %d packets", 1);\r
- }\r
- pChar = rte_pktmbuf_prepend(mb, sizeof(struct ether_hdr));\r
- if(pChar == NULL){\r
- MLogPrint(NULL);\r
- errx(1, "incorrect mbuf size %d packets", 1);\r
- }\r
- do_copy = 1; /* new mbuf hence copy of IQs */\r
- }else {\r
- rte_pktmbuf_refcnt_update(mb, 1); /* make sure eth won't free our mbuf */\r
- }\r
-\r
- int32_t sent = prepare_symbol_ex(direction,\r
- section_id,\r
- mb,\r
- data,\r
- 0,\r
- 16,\r
- iq_buf_byte_order,\r
- frame_id,\r
- subframe_id,\r
- slot_id,\r
- symbol_no,\r
- prb_start,\r
- prb_num,\r
- CC_ID,\r
- RU_Port_ID,\r
- seq_id,\r
- do_copy);\r
-\r
- if(sent){\r
- tx_counter++;\r
- tx_bytes_counter += rte_pktmbuf_pkt_len(mb);\r
- p_x_ctx->send_upmbuf2ring(mb, ETHER_TYPE_ECPRI);\r
- } else {\r
-\r
- }\r
-\r
-#ifdef DEBUG\r
- printf("Symbol %2d sent (%d packets, %d bytes)\n", symbol_no, i, n_bytes);\r
-#endif\r
-\r
- return sent;\r
-}\r
-\r
-int send_cpmsg(void *pHandle, struct rte_mbuf *mbuf,struct xran_cp_gen_params *params,\r
- struct xran_section_gen_info *sect_geninfo, uint8_t cc_id, uint8_t ru_port_id, uint8_t seq_id)\r
-{\r
- int ret = 0, nsection, i;\r
- uint8_t frame_id = params->hdr.frameId;\r
- uint8_t subframe_id = params->hdr.subframeId;\r
- uint8_t slot_id = params->hdr.slotId;\r
- uint8_t dir = params->dir;\r
- struct xran_device_ctx *p_x_ctx = xran_dev_get_ctx();\r
-\r
- nsection = params->numSections;\r
-\r
- /* add in the ethernet header */\r
- struct ether_hdr *const h = (void *)rte_pktmbuf_prepend(mbuf, sizeof(*h));\r
- tx_counter++;\r
- tx_bytes_counter += rte_pktmbuf_pkt_len(mbuf);\r
- p_x_ctx->send_cpmbuf2ring(mbuf, ETHER_TYPE_ECPRI);\r
- for(i=0; i<nsection; i++)\r
- xran_cp_add_section_info(pHandle, dir, cc_id, ru_port_id,\r
- (slot_id + subframe_id*SLOTNUM_PER_SUBFRAME)%XRAN_MAX_SECTIONDB_CTX,\r
- §_geninfo[i].info);\r
-\r
- return (ret);\r
-}\r
-\r
-int generate_cpmsg_dlul(void *pHandle, struct xran_cp_gen_params *params, struct xran_section_gen_info *sect_geninfo, struct rte_mbuf *mbuf,\r
- enum xran_pkt_dir dir, uint8_t frame_id, uint8_t subframe_id, uint8_t slot_id,\r
- uint8_t startsym, uint8_t numsym, uint16_t prb_start, uint16_t prb_num,int16_t iq_buffer_offset, int16_t iq_buffer_len,\r
- 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)\r
-{\r
- int ret = 0, nsection, i, loc_sym;\r
-\r
-\r
- params->dir = dir;\r
- params->sectionType = XRAN_CP_SECTIONTYPE_1; // Most DL/UL Radio Channels\r
- params->hdr.filterIdx = XRAN_FILTERINDEX_STANDARD;\r
- params->hdr.frameId = frame_id;\r
- params->hdr.subframeId = subframe_id;\r
- params->hdr.slotId = slot_id;\r
- params->hdr.startSymId = startsym; // start Symbol ID\r
- params->hdr.iqWidth = iqWidth;\r
- params->hdr.compMeth = comp_method;\r
-\r
- nsection = 0;\r
- sect_geninfo[nsection].info.type = params->sectionType; // for database\r
- sect_geninfo[nsection].info.startSymId = params->hdr.startSymId; // for database\r
- sect_geninfo[nsection].info.iqWidth = params->hdr.iqWidth; // for database\r
- sect_geninfo[nsection].info.compMeth = params->hdr.compMeth; // for database\r
- sect_geninfo[nsection].info.id = xran_alloc_sectionid(pHandle, dir, cc_id, ru_port_id, slot_id);\r
- sect_geninfo[nsection].info.rb = XRAN_RBIND_EVERY;\r
- sect_geninfo[nsection].info.symInc = symInc;\r
- sect_geninfo[nsection].info.startPrbc = prb_start;\r
- sect_geninfo[nsection].info.numPrbc = prb_num;\r
- sect_geninfo[nsection].info.numSymbol = numsym;\r
- sect_geninfo[nsection].info.reMask = 0xfff;\r
- sect_geninfo[nsection].info.beamId = beam_id;\r
-\r
- for (loc_sym = 0; loc_sym < XRAN_NUM_OF_SYMBOL_PER_SLOT; loc_sym++) {\r
- sect_geninfo[0].info.sec_desc[loc_sym].iq_buffer_offset = iq_buffer_offset;\r
- sect_geninfo[0].info.sec_desc[loc_sym].iq_buffer_len = iq_buffer_len;\r
- }\r
-\r
- sect_geninfo[nsection].info.ef = 0;\r
- sect_geninfo[nsection].exDataSize = 0;\r
-// sect_geninfo[nsection].exData = NULL;\r
- nsection++;\r
-\r
- params->numSections = nsection;\r
- params->sections = sect_geninfo;\r
-\r
- if(unlikely(mbuf == NULL)) {\r
- print_err("Alloc fail!\n");\r
- return (-1);\r
- }\r
-\r
- ret = xran_prepare_ctrl_pkt(mbuf, params, cc_id, ru_port_id, seq_id);\r
- if(ret < 0){\r
- print_err("Fail to build control plane packet - [%d:%d:%d] dir=%d\n",\r
- frame_id, subframe_id, slot_id, dir);\r
- rte_pktmbuf_free(mbuf);\r
- }\r
-\r
- return (ret);\r
-}\r
-\r
-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,\r
- uint8_t frame_id, uint8_t subframe_id, uint8_t slot_id,\r
- uint16_t beam_id, uint8_t cc_id, uint8_t prach_port_id, uint8_t seq_id)\r
-{\r
- int i, nsection, ret;\r
- struct xran_prach_cp_config *pPrachCPConfig = &(pxran_lib_ctx->PrachCPConfig);\r
- uint16_t timeOffset;\r
- uint16_t nNumerology = pxran_lib_ctx->fh_cfg.frame_conf.nNumerology;\r
-\r
- if(unlikely(mbuf == NULL)) {\r
- print_err("Alloc fail!\n");\r
- return (-1);\r
- }\r
-#if 0\r
- printf("%d:%d:%d:%d - filter=%d, startSym=%d[%d:%d], numSym=%d, occasions=%d, freqOff=%d\n",\r
- frame_id, subframe_id, slot_id, prach_port_id,\r
- pPrachCPConfig->filterIdx,\r
- pPrachCPConfig->startSymId,\r
- pPrachCPConfig->startPrbc,\r
- pPrachCPConfig->numPrbc,\r
- pPrachCPConfig->numSymbol,\r
- pPrachCPConfig->occassionsInPrachSlot,\r
- pPrachCPConfig->freqOffset);\r
-#endif\r
- timeOffset = pPrachCPConfig->timeOffset; //this is the CP value per 38.211 tab 6.3.3.1-1&2\r
- timeOffset = timeOffset >> nNumerology; //original number is Tc, convert to Ts based on mu\r
- if (pPrachCPConfig->startSymId > 0)\r
- {\r
- timeOffset += (pPrachCPConfig->startSymId * 2048) >> nNumerology;\r
- if ((slot_id == 0) || (slot_id == (SLOTNUM_PER_SUBFRAME >> 1)))\r
- timeOffset += 16;\r
- }\r
- params->dir = XRAN_DIR_UL;\r
- params->sectionType = XRAN_CP_SECTIONTYPE_3;\r
- params->hdr.filterIdx = pPrachCPConfig->filterIdx;\r
- params->hdr.frameId = frame_id;\r
- params->hdr.subframeId = subframe_id;\r
- params->hdr.slotId = slot_id;\r
- params->hdr.startSymId = pPrachCPConfig->startSymId;\r
- params->hdr.iqWidth = xran_get_conf_iqwidth(pHandle);\r
- params->hdr.compMeth = xran_get_conf_compmethod(pHandle);\r
- /* use timeOffset field for the CP length value for prach sequence */\r
- params->hdr.timeOffset = timeOffset;\r
- params->hdr.fftSize = xran_get_conf_fftsize(pHandle);\r
- params->hdr.scs = xran_get_conf_prach_scs(pHandle);\r
- params->hdr.cpLength = 0;\r
-\r
- nsection = 0;\r
- sect_geninfo[nsection].info.type = params->sectionType; // for database\r
- sect_geninfo[nsection].info.startSymId = params->hdr.startSymId; // for database\r
- sect_geninfo[nsection].info.iqWidth = params->hdr.iqWidth; // for database\r
- sect_geninfo[nsection].info.compMeth = params->hdr.compMeth; // for database\r
- sect_geninfo[nsection].info.id = xran_alloc_sectionid(pHandle, XRAN_DIR_UL, cc_id, prach_port_id, slot_id);\r
- sect_geninfo[nsection].info.rb = XRAN_RBIND_EVERY;\r
- sect_geninfo[nsection].info.symInc = XRAN_SYMBOLNUMBER_NOTINC;\r
- sect_geninfo[nsection].info.startPrbc = pPrachCPConfig->startPrbc;\r
- sect_geninfo[nsection].info.numPrbc = pPrachCPConfig->numPrbc,\r
- sect_geninfo[nsection].info.numSymbol = pPrachCPConfig->numSymbol*pPrachCPConfig->occassionsInPrachSlot;\r
- sect_geninfo[nsection].info.reMask = 0xfff;\r
- sect_geninfo[nsection].info.beamId = beam_id;\r
- sect_geninfo[nsection].info.freqOffset = pPrachCPConfig->freqOffset;\r
-\r
- pxran_lib_ctx->prach_last_symbol[cc_id] = sect_geninfo[nsection].info.startSymId + sect_geninfo[nsection].info.numSymbol - 1;\r
-\r
- sect_geninfo[nsection].info.ef = 0;\r
- sect_geninfo[nsection].exDataSize = 0;\r
-// sect_geninfo[nsection].exData = NULL;\r
- nsection++;\r
-\r
- params->numSections = nsection;\r
- params->sections = sect_geninfo;\r
-\r
- ret = xran_prepare_ctrl_pkt(mbuf, params, cc_id, prach_port_id, seq_id);\r
- if(ret < 0){\r
- print_err("Fail to build prach control packet - [%d:%d:%d]\n", frame_id, subframe_id, slot_id);\r
- rte_pktmbuf_free(mbuf);\r
- }\r
- return ret;\r
-}\r
-\r
-\r
-int process_ring(struct rte_ring *r)\r
-{\r
- assert(r);\r
-\r
- struct rte_mbuf *mbufs[MBUFS_CNT];\r
- int i;\r
- uint32_t remaining;\r
- uint64_t t1;\r
- const uint16_t dequeued = rte_ring_dequeue_burst(r, (void **)mbufs,\r
- RTE_DIM(mbufs), &remaining);\r
-\r
- if (!dequeued)\r
- return 0;\r
-\r
- t1 = MLogTick();\r
- for (i = 0; i < dequeued; ++i) {\r
- if (xran_ethdi_filter_packet(mbufs[i], 0) == MBUF_FREE)\r
- rte_pktmbuf_free(mbufs[i]);\r
- }\r
- MLogTask(PID_PROCESS_UP_PKT, t1, MLogTick());\r
-\r
- return remaining;\r
-}\r
-\r
-int32_t ring_processing_func(void)\r
-{\r
- struct xran_ethdi_ctx *const ctx = xran_ethdi_get_ctx();\r
- struct xran_device_ctx *const pxran_lib_ctx = xran_dev_get_ctx();\r
- int16_t retPoll = 0;\r
- uint64_t t1, t2;\r
-\r
- rte_timer_manage();\r
-\r
- /* UP first */\r
- if (process_ring(ctx->rx_ring[ETHDI_UP_VF]))\r
- return 0;\r
- /* CP next */\r
- if (process_ring(ctx->rx_ring[ETHDI_CP_VF]))\r
- return 0;\r
-\r
- if (pxran_lib_ctx->bbdev_dec) {\r
- t1 = MLogTick();\r
- retPoll = pxran_lib_ctx->bbdev_dec();\r
- if (retPoll != -1)\r
- {\r
- t2 = MLogTick();\r
- MLogTask(PID_XRAN_BBDEV_UL_POLL + retPoll, t1, t2);\r
- }\r
- }\r
-\r
- if (pxran_lib_ctx->bbdev_enc) {\r
- t1 = MLogTick();\r
- retPoll = pxran_lib_ctx->bbdev_enc();\r
- if (retPoll != -1)\r
- {\r
- t2 = MLogTick();\r
- MLogTask(PID_XRAN_BBDEV_DL_POLL + retPoll, t1, t2);\r
- }\r
- }\r
-\r
- if (XRAN_STOPPED == xran_if_current_state)\r
- return -1;\r
-\r
- return 0;\r
-}\r
-\r
-int ring_processing_thread(void *args)\r
-{\r
- struct sched_param sched_param;\r
- int res = 0;\r
-\r
- printf("%s [CPU %2d] [PID: %6d]\n", __FUNCTION__, rte_lcore_id(), getpid());\r
- sched_param.sched_priority = XRAN_THREAD_DEFAULT_PRIO;\r
- if ((res = pthread_setschedparam(pthread_self(), SCHED_FIFO, &sched_param))){\r
- printf("priority is not changed: coreId = %d, result1 = %d\n",rte_lcore_id(), res);\r
- }\r
-\r
- for (;;)\r
- if(ring_processing_func() != 0)\r
- break;\r
-\r
- puts("Pkt processing thread finished.");\r
- return 0;\r
-}\r
-\r
+/******************************************************************************
+*
+* Copyright (c) 2019 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 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
+ * @author Intel Corporation
+ **/
+
+#include <assert.h>
+#include <err.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+#include <time.h>
+
+#include "xran_common.h"
+#include "ethdi.h"
+#include "xran_pkt.h"
+#include "xran_pkt_up.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"
+
+#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 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 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);
+
+long rx_counter = 0;
+long tx_counter = 0;
+long tx_bytes_counter = 0;
+long rx_bytes_counter = 0;
+long tx_bytes_per_sec = 0;
+long rx_bytes_per_sec = 0;
+
+
+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_device_ctx * p_x_ctx = xran_dev_get_ctx();
+
+ uint8_t CC_ID = 0;
+ uint8_t Ant_ID = 0;
+ uint8_t frame_id = 0;
+ uint8_t subframe_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;
+ uint8_t num_eAxc = xran_get_num_eAxc(pHandle);
+ 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,
+ &Ant_ID,
+ &frame_id,
+ &subframe_id,
+ &slot_id,
+ &symb_id,
+ &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;
+ }
+
+ 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_err("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;
+ }
+
+ 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("Completed 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");
+ }
+ }
+ 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");
+ }
+ }
+ 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");
+ }
+ }
+ 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)
+{
+ if (iq_bit_width == MAX_IQ_BIT_WIDTH)
+ compr_hdr->ud_comp_hdr.ud_iq_width = (uint8_t) 0;
+ else
+ compr_hdr->ud_comp_hdr.ud_iq_width = iq_bit_width;
+
+ return 0;
+
+}
+
+/* Send a single 5G symbol over multiple packets */
+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,
+ 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)
+{
+ 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 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_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.payl_ver = 1;
+ 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.symb_id = symbol_no;
+
+ /* convert to network byte order */
+ xp.app_params.sf_slot_sym.value = rte_cpu_to_be_16(xp.app_params.sf_slot_sym.value);
+
+ xp.sec_hdr.fields.sect_id = section_id;
+ xp.sec_hdr.fields.num_prbu = (uint8_t)prb_num;
+ xp.sec_hdr.fields.start_prbu = (uint8_t)prb_start;
+ xp.sec_hdr.fields.sym_inc = 0;
+ xp.sec_hdr.fields.rb = 0;
+
+ /* 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);
+
+ if (mb == NULL){
+ MLogPrint(NULL);
+ errx(1, "out of mbufs after %d packets", 1);
+ }
+
+ prep_bytes = xran_prepare_iq_symbol_portion(mb,
+ data,
+ iq_buf_byte_order,
+ n_bytes,
+ &xp,
+ CC_ID,
+ RU_Port_ID,
+ seq_id,
+ do_copy);
+ if (prep_bytes <= 0)
+ errx(1, "failed preparing symbol");
+
+ 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();
+
+ 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 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){
+ tx_counter++;
+ tx_bytes_counter += rte_pktmbuf_pkt_len(mb);
+ p_x_ctx->send_upmbuf2ring(mb, ETHER_TYPE_ECPRI);
+ } else {
+
+ }
+
+#ifdef DEBUG
+ printf("Symbol %2d sent (%d packets, %d bytes)\n", symbol_no, i, n_bytes);
+#endif
+
+ return sent;
+}
+
+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 frame_id = params->hdr.frameId;
+ 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();
+
+ nsection = params->numSections;
+
+ /* add in the ethernet header */
+ struct ether_hdr *const h = (void *)rte_pktmbuf_prepend(mbuf, sizeof(*h));
+ tx_counter++;
+ tx_bytes_counter += rte_pktmbuf_pkt_len(mbuf);
+ p_x_ctx->send_cpmbuf2ring(mbuf, ETHER_TYPE_ECPRI);
+ 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)
+{
+ int ret = 0, nsection, i, 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; // 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 = 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;
+
+ 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;
+ nsection++;
+
+ params->numSections = nsection;
+ params->sections = sect_geninfo;
+
+ if(unlikely(mbuf == NULL)) {
+ print_err("Alloc fail!\n");
+ return (-1);
+ }
+
+ 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);
+ rte_pktmbuf_free(mbuf);
+ }
+
+ return (ret);
+}
+
+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)
+{
+ int i, 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->filterIdx,
+ pPrachCPConfig->startSymId,
+ pPrachCPConfig->startPrbc,
+ pPrachCPConfig->numPrbc,
+ pPrachCPConfig->numSymbol,
+ pPrachCPConfig->occassionsInPrachSlot,
+ pPrachCPConfig->freqOffset);
+#endif
+ 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 = 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; // 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;
+
+ pxran_lib_ctx->prach_last_symbol[cc_id] = sect_geninfo[nsection].info.startSymId + sect_geninfo[nsection].info.numSymbol - 1;
+
+ sect_geninfo[nsection].info.ef = 0;
+ sect_geninfo[nsection].exDataSize = 0;
+// sect_geninfo[nsection].exData = NULL;
+ nsection++;
+
+ params->numSections = nsection;
+ params->sections = sect_geninfo;
+
+ 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;
+}
+
+
+int process_ring(struct rte_ring *r)
+{
+ assert(r);
+
+ 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;
+}
+
+int32_t ring_processing_func(void)
+{
+ 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;
+ uint64_t t1, t2;
+
+ rte_timer_manage();
+
+ /* UP first */
+ if (process_ring(ctx->rx_ring[ETHDI_UP_VF]))
+ return 0;
+ /* CP next */
+ if (process_ring(ctx->rx_ring[ETHDI_CP_VF]))
+ return 0;
+
+ 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);
+ }
+ }
+
+ if (XRAN_STOPPED == xran_if_current_state)
+ return -1;
+
+ return 0;
+}
+
+int ring_processing_thread(void *args)
+{
+ struct sched_param sched_param;
+ int res = 0;
+
+ 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))){
+ printf("priority is not changed: coreId = %d, result1 = %d\n",rte_lcore_id(), res);
+ }
+
+ for (;;)
+ if(ring_processing_func() != 0)
+ break;
+
+ puts("Pkt processing thread finished.");
+ return 0;
+}
+
Code Review / o-du / phy.git / blobdiff