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New UE: check for free RA and copy preamble list

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kn.raju
2021-02-12 08:31:07 +01:00
committed by Robert Schmidt
parent eaadda1f5d
commit 4dacea921c
1 changed files with 23 additions and 7 deletions
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openair2/LAYER2/NR_MAC_gNB/config.c
+23 -7
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@@ -400,21 +400,37 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
const int UE_id = add_new_nr_ue(Mod_idP, rnti, secondaryCellGroup);
LOG_I(PHY,"Added new UE_id %d/%x with initial secondaryCellGroup\n",UE_id,rnti);
} else if (add_ue == 1 && !get_softmodem_params()->phy_test) {
/* TODO: should check for free RA process */
const int CC_id = 0;
NR_RA_t *ra = &RC.nrmac[Mod_idP]->common_channels[CC_id].ra[0];
ra->state = RA_IDLE;
NR_COMMON_channels_t *cc = &RC.nrmac[Mod_idP]->common_channels[CC_id];
uint8_t ra_index = 0;
/* checking for free RA process */
for(; ra_index < NR_NB_RA_PROC_MAX; ra_index++) {
if((cc->ra[ra_index].state == RA_IDLE) && (!cc->ra[ra_index].cfra)) break;
}
if (ra_index == NR_NB_RA_PROC_MAX) {
LOG_E(MAC, "%s() %s:%d RA processes are not available for CFRA RNTI :%x\n", __FUNCTION__, __FILE__, __LINE__, rnti);
return -1;
}
NR_RA_t *ra = &cc->ra[ra_index];
ra->secondaryCellGroup = secondaryCellGroup;
if (secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated!=NULL) {
if (secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra != NULL) {
ra->cfra = true;
ra->rnti = rnti;
struct NR_CFRA cfra = *secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra;
uint8_t num_preamble = cfra.resources.choice.ssb->ssb_ResourceList.list.count;
struct NR_CFRA *cfra = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra;
uint8_t num_preamble = cfra->resources.choice.ssb->ssb_ResourceList.list.count;
ra->preambles.num_preambles = num_preamble;
ra->preambles.preamble_list = (uint8_t *) malloc(num_preamble*sizeof(uint8_t));
for (int i = 0; i < num_preamble; i++)
ra->preambles.preamble_list[i] = cfra.resources.choice.ssb->ssb_ResourceList.list.array[i]->ra_PreambleIndex;
for(int i=0; i<cc->num_active_ssb; i++) {
for(int j=0; j<num_preamble; j++) {
if (cc->ssb_index[i] == cfra->resources.choice.ssb->ssb_ResourceList.list.array[i]->ssb) {
// one dedicated preamble for each beam
ra->preambles.preamble_list[i] =
cfra->resources.choice.ssb->ssb_ResourceList.list.array[i]->ra_PreambleIndex;
break;
}
}
}
}
}
LOG_I(PHY,"Added new RA process for UE RNTI %04x with initial secondaryCellGroup\n", rnti);