Commit c0d123b9 authored by Shweta Shrivastava's avatar Shweta Shrivastava

Support for multiple PDUs in a UL slot

parent 661dd531
...@@ -23,6 +23,7 @@ ...@@ -23,6 +23,7 @@
#include "PHY/impl_defs_nr.h" #include "PHY/impl_defs_nr.h"
#define NFAPI_UE_MAX_NUM_CB 8 #define NFAPI_UE_MAX_NUM_CB 8
#define NFAPI_MAX_NUM_UL_PDU 8
/* /*
typedef unsigned int uint32_t; typedef unsigned int uint32_t;
...@@ -155,7 +156,7 @@ typedef struct { ...@@ -155,7 +156,7 @@ typedef struct {
uint16_t slot; uint16_t slot;
fapi_nr_tx_config_t tx_config; fapi_nr_tx_config_t tx_config;
uint16_t number_of_pdus; uint16_t number_of_pdus;
fapi_nr_tx_request_body_t *tx_request_body; fapi_nr_tx_request_body_t tx_request_body[NFAPI_MAX_NUM_UL_PDU];
} fapi_nr_tx_request_t; } fapi_nr_tx_request_t;
/// This struct replaces: /// This struct replaces:
......
...@@ -154,8 +154,8 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){ ...@@ -154,8 +154,8 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH; ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH;
if (scheduled_response->tx_request){ // TBR todo here it should loop through the number of tx pdus if (scheduled_response->tx_request){
fapi_nr_tx_request_body_t *tx_req_body = scheduled_response->tx_request->tx_request_body; fapi_nr_tx_request_body_t *tx_req_body = &scheduled_response->tx_request->tx_request_body[i];
memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length); memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length);
......
...@@ -57,10 +57,10 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst) ...@@ -57,10 +57,10 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst)
if (IS_SOFTMODEM_NOS1){ if (IS_SOFTMODEM_NOS1){
if (rlc_module_init(0) != 0) { if (rlc_module_init(0) != 0) {
LOG_I(RLC, "Problem at RLC initiation \n"); LOG_I(RLC, "Problem at RLC initiation \n");
} }
pdcp_layer_init(); pdcp_layer_init();
nr_DRB_preconfiguration(); nr_DRB_preconfiguration();
} }
// Allocate memory for ul_config_request in the mac instance. This is now a pointer and will // Allocate memory for ul_config_request in the mac instance. This is now a pointer and will
......
...@@ -852,116 +852,119 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in ...@@ -852,116 +852,119 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
// program PUSCH with UL DCI parameters // program PUSCH with UL DCI parameters
nr_scheduled_response_t scheduled_response; nr_scheduled_response_t scheduled_response;
fapi_nr_tx_request_t tx_req; fapi_nr_tx_request_t tx_req;
fapi_nr_tx_request_body_t tx_req_body;
nfapi_nr_ue_ptrs_ports_t ptrs_ports_list; nfapi_nr_ue_ptrs_ports_t ptrs_ports_list;
fapi_nr_ul_config_request_pdu_t *ulcfg_pdu = &ul_config_req->ul_config_list[0]; for (int j = 0; j < ul_config_req->number_pdus; j++) {
fapi_nr_ul_config_request_pdu_t *ulcfg_pdu = &ul_config_req->ul_config_list[j];
// These should come from RRC config!!!
uint8_t ptrs_mcs1 = 2; if (ulcfg_pdu->pdu_type == FAPI_NR_UL_CONFIG_TYPE_PUSCH) {
uint8_t ptrs_mcs2 = 4;
uint8_t ptrs_mcs3 = 10; // These should come from RRC config!!!
uint16_t n_rb0 = 25; uint8_t ptrs_mcs1 = 2;
uint16_t n_rb1 = 75; uint8_t ptrs_mcs2 = 4;
uint8_t ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table); uint8_t ptrs_mcs3 = 10;
uint8_t ptrs_freq_density = get_K_ptrs(n_rb0, n_rb1, ulcfg_pdu->pusch_config_pdu.rb_size); uint16_t n_rb0 = 25;
uint16_t l_prime_mask = get_l_prime(ulcfg_pdu->pusch_config_pdu.nr_of_symbols, typeB, pusch_dmrs_pos0, pusch_len1); uint16_t n_rb1 = 75;
uint16_t ul_dmrs_symb_pos = l_prime_mask << ulcfg_pdu->pusch_config_pdu.start_symbol_index; uint8_t ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table);
uint8_t ptrs_freq_density = get_K_ptrs(n_rb0, n_rb1, ulcfg_pdu->pusch_config_pdu.rb_size);
uint8_t dmrs_config_type = 0; uint16_t l_prime_mask = get_l_prime(ulcfg_pdu->pusch_config_pdu.nr_of_symbols, typeB, pusch_dmrs_pos0, pusch_len1);
uint16_t number_dmrs_symbols = 0; uint16_t ul_dmrs_symb_pos = l_prime_mask << ulcfg_pdu->pusch_config_pdu.start_symbol_index;
// PTRS ports configuration uint8_t dmrs_config_type = 0;
// TbD: ptrs_dmrs_port and ptrs_port_index are not initialised! uint16_t number_dmrs_symbols = 0;
ptrs_ports_list.ptrs_re_offset = 0;
// PTRS ports configuration
// Num PRB Overhead from PUSCH-ServingCellConfig // TbD: ptrs_dmrs_port and ptrs_port_index are not initialised!
if (mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead == NULL) ptrs_ports_list.ptrs_re_offset = 0;
N_PRB_oh = 0;
else // Num PRB Overhead from PUSCH-ServingCellConfig
N_PRB_oh = *mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead; if (mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead == NULL)
N_PRB_oh = 0;
ulcfg_pdu->pusch_config_pdu.ul_dmrs_symb_pos = ul_dmrs_symb_pos; else
ulcfg_pdu->pusch_config_pdu.dmrs_config_type = dmrs_config_type; N_PRB_oh = *mac->scg->spCellConfig->spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup->xOverhead;
ulcfg_pdu->pusch_config_pdu.num_dmrs_cdm_grps_no_data = 1;
ulcfg_pdu->pusch_config_pdu.nrOfLayers = 1; ulcfg_pdu->pusch_config_pdu.ul_dmrs_symb_pos = ul_dmrs_symb_pos;
ulcfg_pdu->pusch_config_pdu.pusch_data.new_data_indicator = 0; ulcfg_pdu->pusch_config_pdu.dmrs_config_type = dmrs_config_type;
ulcfg_pdu->pusch_config_pdu.pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA; ulcfg_pdu->pusch_config_pdu.num_dmrs_cdm_grps_no_data = 1;
ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_time_density = ptrs_time_density; ulcfg_pdu->pusch_config_pdu.nrOfLayers = 1;
ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_freq_density = ptrs_freq_density; ulcfg_pdu->pusch_config_pdu.pusch_data.new_data_indicator = 0;
ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_ports_list = &ptrs_ports_list; ulcfg_pdu->pusch_config_pdu.pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA;
ulcfg_pdu->pusch_config_pdu.target_code_rate = nr_get_code_rate_ul(ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table); ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_time_density = ptrs_time_density;
ulcfg_pdu->pusch_config_pdu.qam_mod_order = nr_get_Qm_ul(ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table); ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_freq_density = ptrs_freq_density;
ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_ports_list = &ptrs_ports_list;
if (1 << ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_time_density >= ulcfg_pdu->pusch_config_pdu.nr_of_symbols) { ulcfg_pdu->pusch_config_pdu.target_code_rate = nr_get_code_rate_ul(ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table);
ulcfg_pdu->pusch_config_pdu.pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS ulcfg_pdu->pusch_config_pdu.qam_mod_order = nr_get_Qm_ul(ulcfg_pdu->pusch_config_pdu.mcs_index, ulcfg_pdu->pusch_config_pdu.mcs_table);
}
if (1 << ulcfg_pdu->pusch_config_pdu.pusch_ptrs.ptrs_time_density >= ulcfg_pdu->pusch_config_pdu.nr_of_symbols) {
get_num_re_dmrs(&ulcfg_pdu->pusch_config_pdu, ulcfg_pdu->pusch_config_pdu.pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
&nb_dmrs_re_per_rb, }
&number_dmrs_symbols);
get_num_re_dmrs(&ulcfg_pdu->pusch_config_pdu,
TBS = nr_compute_tbs(ulcfg_pdu->pusch_config_pdu.qam_mod_order, &nb_dmrs_re_per_rb,
ulcfg_pdu->pusch_config_pdu.target_code_rate, &number_dmrs_symbols);
ulcfg_pdu->pusch_config_pdu.rb_size,
ulcfg_pdu->pusch_config_pdu.nr_of_symbols, TBS = nr_compute_tbs(ulcfg_pdu->pusch_config_pdu.qam_mod_order,
nb_dmrs_re_per_rb*number_dmrs_symbols, ulcfg_pdu->pusch_config_pdu.target_code_rate,
N_PRB_oh, ulcfg_pdu->pusch_config_pdu.rb_size,
0, ulcfg_pdu->pusch_config_pdu.nr_of_symbols,
ulcfg_pdu->pusch_config_pdu.nrOfLayers); nb_dmrs_re_per_rb*number_dmrs_symbols,
TBS_bytes = TBS/8; N_PRB_oh,
ulcfg_pdu->pusch_config_pdu.pusch_data.tb_size = TBS_bytes; 0,
ulcfg_pdu->pusch_config_pdu.nrOfLayers);
if (IS_SOFTMODEM_NOS1){ TBS_bytes = TBS/8;
// Getting IP traffic to be transmitted ulcfg_pdu->pusch_config_pdu.pusch_data.tb_size = TBS_bytes;
data_existing = nr_ue_get_sdu(mod_id,
cc_id, if (IS_SOFTMODEM_NOS1){
frame_tx, // Getting IP traffic to be transmitted
slot_tx, data_existing = nr_ue_get_sdu(mod_id,
0, cc_id,
ulsch_input_buffer, frame_tx,
TBS_bytes, slot_tx,
&access_mode); 0,
} ulsch_input_buffer,
TBS_bytes,
//Random traffic to be transmitted if there is no IP traffic available for this Tx opportunity &access_mode);
if (!IS_SOFTMODEM_NOS1 || !data_existing) { }
//Use zeros for the header bytes in noS1 mode, in order to make sure that the LCID is not valid
//and block this traffic from being forwarded to the upper layers at the gNB //Random traffic to be transmitted if there is no IP traffic available for this Tx opportunity
LOG_D(PHY, "Random data to be tranmsitted: \n"); if (!IS_SOFTMODEM_NOS1 || !data_existing) {
//Use zeros for the header bytes in noS1 mode, in order to make sure that the LCID is not valid
//Give the first byte a dummy value (a value not corresponding to any valid LCID based on 38.321, Table 6.2.1-2) //and block this traffic from being forwarded to the upper layers at the gNB
//in order to distinguish the PHY random packets at the MAC layer of the gNB receiver from the normal packets that should LOG_D(PHY, "Random data to be tranmsitted: \n");
//have a valid LCID (nr_process_mac_pdu function)
ulsch_input_buffer[0] = 0x31; //Give the first byte a dummy value (a value not corresponding to any valid LCID based on 38.321, Table 6.2.1-2)
//in order to distinguish the PHY random packets at the MAC layer of the gNB receiver from the normal packets that should
for (i = 1; i < TBS_bytes; i++) { //have a valid LCID (nr_process_mac_pdu function)
ulsch_input_buffer[i] = (unsigned char) rand(); ulsch_input_buffer[0] = 0x31;
//printf(" input encoder a[%d]=0x%02x\n",i,harq_process_ul_ue->a[i]);
for (i = 1; i < TBS_bytes; i++) {
ulsch_input_buffer[i] = (unsigned char) rand();
//printf(" input encoder a[%d]=0x%02x\n",i,harq_process_ul_ue->a[i]);
}
}
#ifdef DEBUG_MAC_PDU
LOG_D(PHY, "Is data existing ?: %d \n", data_existing);
LOG_I(PHY, "Printing MAC PDU to be encoded, TBS is: %d \n", TBS_bytes);
for (i = 0; i < TBS_bytes; i++) {
printf("%02x", ulsch_input_buffer[i]);
}
printf("\n");
#endif
// Config UL TX PDU
tx_req.slot = slot_tx;
tx_req.sfn = frame_tx;
// tx_req->tx_config // TbD
tx_req.number_of_pdus++;
tx_req.tx_request_body[j].pdu_length = TBS_bytes;
tx_req.tx_request_body[j].pdu_index = j;
tx_req.tx_request_body[j].pdu = ulsch_input_buffer;
} }
} }
#ifdef DEBUG_MAC_PDU
LOG_D(PHY, "Is data existing ?: %d \n", data_existing);
LOG_I(PHY, "Printing MAC PDU to be encoded, TBS is: %d \n", TBS_bytes);
for (i = 0; i < TBS_bytes; i++) {
printf("%02x", ulsch_input_buffer[i]);
}
printf("\n");
#endif
// Config UL TX PDU
tx_req.slot = slot_tx;
tx_req.sfn = frame_tx;
// tx_req->tx_config // TbD
tx_req.number_of_pdus = 1;
tx_req_body.pdu_length = TBS_bytes;
tx_req_body.pdu_index = 0;
tx_req_body.pdu = ulsch_input_buffer;
tx_req.tx_request_body = &tx_req_body;
fill_scheduled_response(&scheduled_response, NULL, ul_config_req, &tx_req, mod_id, cc_id, rx_frame, rx_slot); fill_scheduled_response(&scheduled_response, NULL, ul_config_req, &tx_req, mod_id, cc_id, rx_frame, rx_slot);
if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL){ if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL){
mac->if_module->scheduled_response(&scheduled_response); mac->if_module->scheduled_response(&scheduled_response);
...@@ -983,8 +986,8 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in ...@@ -983,8 +986,8 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
uint8_t ulsch_input_buffer[MAX_ULSCH_PAYLOAD_BYTES]; uint8_t ulsch_input_buffer[MAX_ULSCH_PAYLOAD_BYTES];
nr_scheduled_response_t scheduled_response; nr_scheduled_response_t scheduled_response;
fapi_nr_tx_request_t tx_req; fapi_nr_tx_request_t tx_req;
fapi_nr_tx_request_body_t tx_req_body; //fapi_nr_ul_config_request_t *ul_config = get_ul_config_request(mac, ul_info->slot_tx);
fapi_nr_ul_config_request_t *ul_config = get_ul_config_request(mac, ul_info->slot_tx); fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request[0];
fapi_nr_ul_config_request_pdu_t *ul_config_list = &ul_config->ul_config_list[ul_config->number_pdus]; fapi_nr_ul_config_request_pdu_t *ul_config_list = &ul_config->ul_config_list[ul_config->number_pdus];
uint16_t TBS_bytes = ul_config_list->pusch_config_pdu.pusch_data.tb_size; uint16_t TBS_bytes = ul_config_list->pusch_config_pdu.pusch_data.tb_size;
...@@ -1025,10 +1028,9 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in ...@@ -1025,10 +1028,9 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
tx_req.slot = ul_info->slot_tx; tx_req.slot = ul_info->slot_tx;
tx_req.sfn = ul_info->frame_tx; tx_req.sfn = ul_info->frame_tx;
tx_req.number_of_pdus = 1; tx_req.number_of_pdus = 1;
tx_req_body.pdu_length = TBS_bytes; tx_req.tx_request_body[0].pdu_length = TBS_bytes;
tx_req_body.pdu_index = 0; tx_req.tx_request_body[0].pdu_index = 0;
tx_req_body.pdu = ulsch_input_buffer; tx_req.tx_request_body[0].pdu = ulsch_input_buffer;
tx_req.tx_request_body = &tx_req_body;
ul_config_list->pdu_type = FAPI_NR_UL_CONFIG_TYPE_PUSCH; ul_config_list->pdu_type = FAPI_NR_UL_CONFIG_TYPE_PUSCH;
ul_config->number_pdus++; ul_config->number_pdus++;
// scheduled_response // scheduled_response
...@@ -1096,7 +1098,8 @@ void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t s ...@@ -1096,7 +1098,8 @@ void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t s
NR_UE_MAC_INST_t *mac = get_mac_inst(module_idP); NR_UE_MAC_INST_t *mac = get_mac_inst(module_idP);
fapi_nr_ul_config_request_t *ul_config = get_ul_config_request(mac, slotP); //fapi_nr_ul_config_request_t *ul_config = get_ul_config_request(mac, slotP);
fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request[0];
fapi_nr_ul_config_prach_pdu *prach_config_pdu; fapi_nr_ul_config_prach_pdu *prach_config_pdu;
fapi_nr_config_request_t *cfg = &mac->phy_config.config_req; fapi_nr_config_request_t *cfg = &mac->phy_config.config_req;
fapi_nr_prach_config_t *prach_config = &cfg->prach_config; fapi_nr_prach_config_t *prach_config = &cfg->prach_config;
......
...@@ -77,7 +77,7 @@ void nr_config_Msg3_pdu(NR_UE_MAC_INST_t *mac, ...@@ -77,7 +77,7 @@ void nr_config_Msg3_pdu(NR_UE_MAC_INST_t *mac,
uint8_t nb_dmrs_re_per_rb; uint8_t nb_dmrs_re_per_rb;
uint16_t number_dmrs_symbols = 0; uint16_t number_dmrs_symbols = 0;
int N_PRB_oh; int N_PRB_oh;
fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request; fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request[0];
nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu = &ul_config->ul_config_list[ul_config->number_pdus].pusch_config_pdu; nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu = &ul_config->ul_config_list[ul_config->number_pdus].pusch_config_pdu;
NR_ServingCellConfigCommon_t *scc = mac->scc; NR_ServingCellConfigCommon_t *scc = mac->scc;
NR_BWP_Uplink_t *ubwp = mac->ULbwp[0]; NR_BWP_Uplink_t *ubwp = mac->ULbwp[0];
......
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