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New function to set PLMN in gNB config

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* reduce redundant code repeated in multiple places in the file
This commit is contained in:
Guido Casati
2025-04-15 15:28:36 +02:00
parent 1cdd684e24
commit 2e7fa8e8b1
1 changed files with 39 additions and 65 deletions
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openair2/GNB_APP/gnb_config.c
+39 -65
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@@ -120,6 +120,23 @@ static uint16_t set_snssai_config(nssai_t *nssai, const int max_num_ssi, uint8_t
return num_ssi;
}
static uint8_t set_plmn_config(plmn_id_t *p, uint8_t idx)
{
char gnbpath[MAX_OPTNAME_SIZE * 2 + 8];
snprintf(gnbpath, sizeof(gnbpath), "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, idx);
GET_PARAMS_LIST(PLMNParamList, PLMNParams, GNBPLMNPARAMS_DESC, GNB_CONFIG_STRING_PLMN_LIST, gnbpath, PLMNPARAMS_CHECK);
uint8_t num_plmn = PLMNParamList.numelt;
AssertFatal(num_plmn >= 1 && num_plmn <= 6, "The number of PLMN IDs must be in [1,6], but is %d\n", num_plmn);
for (int l = 0; l < num_plmn; ++l) {
plmn_id_t *plmn = &p[l];
plmn->mcc = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
plmn->mnc = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
plmn->mnc_digit_length = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
AssertFatal((plmn->mnc_digit_length == 2) || (plmn->mnc_digit_length == 3), "BAD MNC DIGIT LENGTH %d", plmn->mnc_digit_length);
}
return num_plmn;
}
/**
* Allocate memory and initialize ServingCellConfigCommon struct members
*/
@@ -1229,13 +1246,6 @@ static int read_du_cell_info(configmodule_interface_t *cfg,
GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[0],
*GNBParamList.paramarray[0][GNB_GNB_NAME_IDX].strptr);
char aprefix[MAX_OPTNAME_SIZE * 2 + 8];
/* map parameter checking array instances to parameter definition array instances */
snprintf(aprefix, sizeof(aprefix), "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
GET_PARAMS_LIST(PLMNParamList, PLMNParams, GNBPLMNPARAMS_DESC, GNB_CONFIG_STRING_PLMN_LIST, aprefix, PLMNPARAMS_CHECK);
AssertFatal(PLMNParamList.numelt > 0, "need to have a PLMN in PLMN section\n");
AssertFatal(PLMNParamList.numelt == 1, "cannot have more than one PLMN\n");
// if fronthaul is F1, require gNB_DU_ID, else use gNB_ID
if (separate_du) {
AssertFatal(config_isparamset(GNBParamList.paramarray[0], GNB_GNB_DU_ID_IDX), "%s is not defined in configuration file\n", GNB_CONFIG_STRING_GNB_DU_ID);
@@ -1251,12 +1261,11 @@ static int read_du_cell_info(configmodule_interface_t *cfg,
info->tac = malloc(sizeof(*info->tac));
AssertFatal(info->tac != NULL, "out of memory\n");
*info->tac = *GNBParamList.paramarray[0][GNB_TRACKING_AREA_CODE_IDX].uptr;
info->plmn.mcc = *PLMNParamList.paramarray[0][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
info->plmn.mnc = *PLMNParamList.paramarray[0][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
info->plmn.mnc_digit_length = *PLMNParamList.paramarray[0][GNB_MNC_DIGIT_LENGTH].u8ptr;
AssertFatal((info->plmn.mnc_digit_length == 2) || (info->plmn.mnc_digit_length == 3),
"BAD MNC DIGIT LENGTH %d",
info->plmn.mnc_digit_length);
// PLMN
plmn_id_t p[PLMN_LIST_MAX_SIZE] = {0};
set_plmn_config(p, 0);
info->plmn = p[0];
info->nr_cellid = (uint64_t) * (GNBParamList.paramarray[0][GNB_NRCELLID_IDX].u64ptr);
// SNSSAI
@@ -2104,25 +2113,7 @@ gNB_RRC_INST *RCconfig_NRRRC()
" tracking_area_code = 1; // no string!!\n"
" plmn_list = ( { mcc = 208; mnc = 93; mnc_length = 2; } )\n");
// PLMN params
char gnbpath[MAX_OPTNAME_SIZE + 8];
sprintf(gnbpath, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k);
GET_PARAMS_LIST(PLMNParamList, PLMNParams, GNBPLMNPARAMS_DESC, GNB_CONFIG_STRING_PLMN_LIST, gnbpath, PLMNPARAMS_CHECK);
if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
PLMNParamList.numelt);
nrrrc_config.num_plmn = PLMNParamList.numelt;
for (int l = 0; l < PLMNParamList.numelt; ++l) {
nrrrc_config.plmn[l].mcc = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
nrrrc_config.plmn[l].mnc = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
nrrrc_config.plmn[l].mnc_digit_length = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
AssertFatal((nrrrc_config.plmn[l].mnc_digit_length == 2) || (nrrrc_config.plmn[l].mnc_digit_length == 3),
"BAD MNC DIGIT LENGTH %d",
nrrrc_config.plmn[l].mnc_digit_length);
}
nrrrc_config.num_plmn = set_plmn_config(nrrrc_config.plmn, k);
nrrrc_config.enable_sdap = *GNBParamList.paramarray[i][GNB_ENABLE_SDAP_IDX].iptr;
LOG_I(GNB_APP, "SDAP layer is %s\n", nrrrc_config.enable_sdap ? "enabled" : "disabled");
nrrrc_config.drbs = *GNBParamList.paramarray[i][GNB_DRBS].iptr;
@@ -2210,28 +2201,16 @@ int RCconfig_NR_NG(MessageDef *msg_p, uint32_t i) {
"to\n"
" tracking_area_code = 1; // no string!!\n"
" plmn_list = ( { mcc = 208; mnc = 93; mnc_length = 2; } )\n");
// PLMN params
sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
GET_PARAMS_LIST(PLMNParamList, PLMNParams, GNBPLMNPARAMS_DESC, GNB_CONFIG_STRING_PLMN_LIST, aprefix, PLMNPARAMS_CHECK);
if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
PLMNParamList.numelt);
NGAP_REGISTER_GNB_REQ(msg_p).num_plmn = PLMNParamList.numelt;
for (int l = 0; l < PLMNParamList.numelt; ++l) {
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mcc = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mnc = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mnc_digit_length = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
NGAP_REGISTER_GNB_REQ (msg_p).default_drx = 0;
AssertFatal((NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mnc_digit_length == 2)
|| (NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mnc_digit_length == 3),
"BAD MNC DIGIT LENGTH %d",
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn.mnc_digit_length);
// PLMN
plmn_id_t p[PLMN_LIST_MAX_SIZE] = {0};
NGAP_REGISTER_GNB_REQ(msg_p).num_plmn = set_plmn_config(p, 0);
for (int l = 0; l < NGAP_REGISTER_GNB_REQ(msg_p).num_plmn; ++l) {
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].plmn = p[l];
// SNSSAI
NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].num_nssai = set_snssai_config(NGAP_REGISTER_GNB_REQ(msg_p).plmn[l].s_nssai, 8, k, l);
}
NGAP_REGISTER_GNB_REQ(msg_p).default_drx = 0;
// NG
sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k);
GET_PARAMS_LIST(NGParamList, NGParams, GNBNGPARAMS_DESC, GNB_CONFIG_STRING_AMF_IP_ADDRESS, aprefix);
NGAP_REGISTER_GNB_REQ (msg_p).nb_amf = 0;
@@ -2387,10 +2366,6 @@ int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
if (strcmp(GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[j], *(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr)) == 0) {
/* map parameter checking array instances to parameter definition array instances */
char aprefix[MAX_OPTNAME_SIZE * 80 + 8];
sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k);
GET_PARAMS_LIST(PLMNParamList, PLMNParams, GNBPLMNPARAMS_DESC, GNB_CONFIG_STRING_PLMN_LIST, aprefix, PLMNPARAMS_CHECK);
char* gnb_ipv4_address_for_NGU = NULL;
uint32_t gnb_port_for_NGU = 0;
char* gnb_ipv4_address_for_S1U = NULL;
@@ -2410,21 +2385,20 @@ int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
X2AP_REGISTER_ENB_REQ (msg_p).eNB_name = strdup(*(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr));
X2AP_REGISTER_ENB_REQ (msg_p).tac = *GNBParamList.paramarray[k][GNB_TRACKING_AREA_CODE_IDX].uptr;
if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
PLMNParamList.numelt);
if (PLMNParamList.numelt > 1)
// PLMN
plmn_id_t p[PLMN_LIST_MAX_SIZE];
uint8_t num_plmn = set_plmn_config(p, k);
if (num_plmn > 1)
LOG_W(X2AP, "X2AP currently handles only one PLMN, ignoring the others!\n");
X2AP_REGISTER_ENB_REQ (msg_p).mcc = *PLMNParamList.paramarray[0][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
X2AP_REGISTER_ENB_REQ (msg_p).mnc = *PLMNParamList.paramarray[0][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
X2AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length = *PLMNParamList.paramarray[0][GNB_MNC_DIGIT_LENGTH].u8ptr;
X2AP_REGISTER_ENB_REQ(msg_p).mcc = p[0].mcc;
X2AP_REGISTER_ENB_REQ(msg_p).mnc = p[0].mnc;
X2AP_REGISTER_ENB_REQ(msg_p).mnc_digit_length = p[0].mnc_digit_length;
AssertFatal(X2AP_REGISTER_ENB_REQ(msg_p).mnc_digit_length == 3
|| X2AP_REGISTER_ENB_REQ(msg_p).mnc < 100,
"MNC %d cannot be encoded in two digits as requested (change mnc_digit_length to 3)\n",
X2AP_REGISTER_ENB_REQ(msg_p).mnc);
char aprefix[MAX_OPTNAME_SIZE * 80 + 8];
sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
GET_PARAMS_LIST(SCCsParamList, SCCsParams, SCCPARAMS_DESC(scc), GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, aprefix);
if (SCCsParamList.numelt > 0) {