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Send Cell Local ID via O1 (GCI = MCC + MNC + GNB_ID + CELL LOCAL ID)

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Signed-off-by: Calvin Peyron <calvin.peyron@open-cells.com>
This commit is contained in:
Calvin Peyron
2026-05-21 10:36:51 +02:00
parent 18005429e1
commit 8ea7be7448
2 changed files with 42 additions and 2 deletions
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34
common/utils/telnetsrv/telnetsrv_o1.c
View File

@@ -76,6 +76,26 @@ static void get_cu_stats(telnet_printfunc_t prnt, uint32_t node_id, char *node_n
prnt("OK\n");
}
static inline int gnb_id_bit_length(uint32_t gnb_id) {
if (gnb_id == 0) return 1;
return 32 - __builtin_clz(gnb_id);
}
uint32_t extract_cell_id(uint64_t nci, const cell_config_t *cfg) {
for (int gnb_bits = 22; gnb_bits <= 32; gnb_bits++) {
int cell_bits = NR_NCI_BITS - gnb_bits;
uint32_t candidate_gnb_id = (uint32_t)(nci >> cell_bits);
if (candidate_gnb_id == cfg->gnb_id) {
return (uint32_t)(nci & ((1ULL << cell_bits) - 1));
}
}
return UINT32_MAX;
}
static void get_du_stats(telnet_printfunc_t prnt, gNB_MAC_INST *mac)
{
NR_SCHED_LOCK(&mac->sched_lock);
@@ -159,6 +179,15 @@ static void get_du_stats(telnet_printfunc_t prnt, gNB_MAC_INST *mac)
int RlcPacketDropRateDl = sum_rlcpacketdl == 0 ? 1 : 1000000*(sum_rlcpacketdropratedl/sum_rlcpacketdl);
double unres_ul = sum_thpunresvolul+sum_thpvolul > 0 ? 100*sum_thpunresvolul/(sum_thpunresvolul+sum_thpvolul) : 0;
double unres_dl = sum_thpunresvoldl+sum_thpvoldl > 0 ? 100*sum_thpunresvoldl/(sum_thpunresvoldl+sum_thpvoldl) : 0;
cell_config_t *cfg = malloc(sizeof(cell_config_t));
cfg->mcc = cell_info->plmn.mcc;
cfg->mnc = cell_info->plmn.mnc;
cfg->mnc_digit_length = cell_info->plmn.mnc_digit_length;
cfg->gnb_id = mac->f1_config.gnb_id;
uint32_t local_cell_id = extract_cell_id(cell_info->nr_cellid, cfg);
prnt("{\n");
prnt(" \"o1-config\": {\n");
@@ -187,8 +216,9 @@ static void get_du_stats(telnet_printfunc_t prnt, gNB_MAC_INST *mac)
prnt(" \"" BWUL "\": %ld,\n", bw_mhz);
prnt(" \"" PCI "\": %ld,\n", *scc->physCellId);
prnt(" \"" TAC "\": %ld,\n", *cell_info->tac);
prnt(" \"" MCC "\": \"%03d\",\n", cell_info->plmn.mcc);
prnt(" \"" MNC "\": \"%0*d\",\n", cell_info->plmn.mnc_digit_length, cell_info->plmn.mnc);
prnt(" \"" MCC "\": \"%03d\",\n", cfg->mcc);
prnt(" \"" MNC "\": \"%0*d\",\n", cfg->mnc_digit_length, cfg->mnc);
prnt(" \"" CLI "\": \"%d\",\n", local_cell_id);
prnt(" \"" SD "\": %d,\n", cell_info->nssai[0].sd);
prnt(" \"" SST "\": %d,\n", cell_info->nssai[0].sst);
prnt(" \"" SSBSCS "\": %d,\n", 30);

10
common/utils/telnetsrv/telnetsrv_o1.h
View File

@@ -49,6 +49,9 @@
#define CU_MNC "nrcellcu3gpp:mnc"
#define CU_SST "nrcellcu3gpp:sst"
#define CU_SD "nrcellcu3gpp:sd"
#define CLI "nrcelldu3gpp:cellLocalId"
#define NR_NCI_BITS 36
#define PRINTLIST_i(len, fmt, ...) \
{ \
@@ -69,3 +72,10 @@ typedef struct ue_stat {
rnti_t rnti;
b_t thr;
} ue_stat_t;
typedef struct {
uint32_t mcc;
uint32_t mnc;
int mnc_digit_length;
uint32_t gnb_id;
} cell_config_t;