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Creating UL_ind RACH handle function in VNF

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Also fixed a few bugs in nr-nFAPI:
- Push16->push8 fix in packing of RACH
- Allocating memory for pdu_list and preamble_list in unpack
- Properly indexing through both lists during unpack
- Created new nr_rach handling function
This commit is contained in:
Melissa Elkadi
2021-06-02 16:33:12 -07:00
parent f768b90f59
commit 6299d4515e
9 changed files with 130 additions and 63 deletions
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executables/nr-ue.c
+24 -24
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@@ -145,32 +145,34 @@ void init_nrUE_standalone_thread(int ue_idx)
pthread_setname_np(phy_thread, "oai:nrue-stand-phy");
}
static void L1_nsa_prach_procedures(nfapi_nr_rach_indication_t *rach_ind, frame_t frame, int slot)
static void L1_nsa_prach_procedures(frame_t frame, int slot)
{
rach_ind->sfn = frame;
rach_ind->slot = slot;
rach_ind->header.message_id = NFAPI_NR_PHY_MSG_TYPE_RACH_INDICATION;
nfapi_nr_rach_indication_t rach_ind;
memset(&rach_ind, 0, sizeof(rach_ind));
rach_ind.sfn = frame;
rach_ind.slot = slot;
rach_ind.header.message_id = NFAPI_NR_PHY_MSG_TYPE_RACH_INDICATION;
uint8_t pdu_index = 0;
rach_ind->pdu_list = CALLOC(1, sizeof(*rach_ind->pdu_list));
rach_ind->number_of_pdus = 1;
rach_ind->pdu_list[pdu_index].phy_cell_id = 0;
rach_ind->pdu_list[pdu_index].symbol_index = 0;
rach_ind->pdu_list[pdu_index].slot_index = slot;
rach_ind->pdu_list[pdu_index].freq_index = 1;
rach_ind->pdu_list[pdu_index].avg_rssi = 128;
rach_ind->pdu_list[pdu_index].avg_snr = 0xff; // invalid for now
rach_ind.pdu_list = CALLOC(1, sizeof(*rach_ind.pdu_list));
rach_ind.number_of_pdus = 1;
rach_ind.pdu_list[pdu_index].phy_cell_id = 0;
rach_ind.pdu_list[pdu_index].symbol_index = 0;
rach_ind.pdu_list[pdu_index].slot_index = slot;
rach_ind.pdu_list[pdu_index].freq_index = 1;
rach_ind.pdu_list[pdu_index].avg_rssi = 128;
rach_ind.pdu_list[pdu_index].avg_snr = 0xff; // invalid for now
rach_ind->pdu_list[pdu_index].num_preamble = 1;
const int num_p = rach_ind->pdu_list[pdu_index].num_preamble;
rach_ind->pdu_list[pdu_index].preamble_list = calloc(num_p, sizeof(nfapi_nr_prach_indication_preamble_t));
rach_ind->pdu_list[pdu_index].preamble_list[0].preamble_index = 63; //Melissa, need to get this out of rrc_reconfig_msg
rach_ind->pdu_list[pdu_index].preamble_list[0].timing_advance = 0;
rach_ind->pdu_list[pdu_index].preamble_list[0].preamble_pwr = 0xffffffff;
rach_ind.pdu_list[pdu_index].num_preamble = 1;
const int num_p = rach_ind.pdu_list[pdu_index].num_preamble;
rach_ind.pdu_list[pdu_index].preamble_list = calloc(num_p, sizeof(nfapi_nr_prach_indication_preamble_t));
rach_ind.pdu_list[pdu_index].preamble_list[0].preamble_index = 63; //Melissa, need to get this out of rrc_reconfig_msg
rach_ind.pdu_list[pdu_index].preamble_list[0].timing_advance = 0;
rach_ind.pdu_list[pdu_index].preamble_list[0].preamble_pwr = 0xffffffff;
send_nsa_standalone_msg(rach_ind);
free(rach_ind->pdu_list);
//free(rach_ind->pdu_list[pdu_index].preamble_list); Melissa hack maybe
send_nsa_standalone_msg(&rach_ind);
free(rach_ind.pdu_list[pdu_index].preamble_list);
free(rach_ind.pdu_list);
}
static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
@@ -224,9 +226,7 @@ static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
if (nr_prach == 1)
{
nfapi_nr_rach_indication_t *ind = CALLOC(1, sizeof(*ind));
L1_nsa_prach_procedures(ind, ul_info.frame_tx, ul_info.slot_tx);
free(ind);
L1_nsa_prach_procedures(ul_info.frame_tx, ul_info.slot_tx);
/* Fill rach indication here and send to proxy. Basically take pieces from
L1_nr_prach_procedures() and send it to the proxy. prach from ue->gNb->gnb sends rach->ue receives rach
The UE is basically filling the rach and proxy will receive and think that it came from the gNB. The