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Refactor F1 Setup Req: sys_info is specific to each cell

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This commit is contained in:
Robert Schmidt
2023-09-21 12:49:20 +02:00
parent d21aa79fe0
commit ca374e86eb
5 changed files with 42 additions and 46 deletions
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openair2/COMMON/f1ap_messages_types.h
+8 -9
View File
@@ -139,6 +139,13 @@ typedef struct f1ap_served_cell_info_t {
char *measurement_timing_information;
} f1ap_served_cell_info_t;
typedef struct f1ap_gnb_du_system_info_t {
uint8_t *mib;
int mib_length;
uint8_t *sib1;
int sib1_length;
} f1ap_gnb_du_system_info_t;
typedef struct f1ap_setup_req_s {
// F1_Setup_Req payload
@@ -149,16 +156,8 @@ typedef struct f1ap_setup_req_s {
uint16_t num_cells_available; //0< num_cells_available <= 512;
struct {
f1ap_served_cell_info_t info;
f1ap_gnb_du_system_info_t *sys_info;
} cell[F1AP_MAX_NB_CELLS];
// System Information
uint8_t *mib[F1AP_MAX_NB_CELLS];
int mib_length[F1AP_MAX_NB_CELLS];
uint8_t *sib1[F1AP_MAX_NB_CELLS];
int sib1_length[F1AP_MAX_NB_CELLS];
} f1ap_setup_req_t;
typedef struct f1ap_du_register_req_t {
openair2/F1AP/f1ap_cu_interface_management.c
+9 -12
View File
@@ -189,20 +189,17 @@ int CU_handle_F1_SETUP_REQUEST(instance_t instance,
struct F1AP_GNB_DU_System_Information * DUsi=served_cells_item->gNB_DU_System_Information;
// System Information
req->cell[i].sys_info = calloc(1, sizeof(*req->cell[i].sys_info));
AssertFatal(req->cell[i].sys_info != NULL, "out of memory\n");
f1ap_gnb_du_system_info_t *sys_info = req->cell[i].sys_info;
/* mib */
req->mib[i] = calloc(DUsi->mIB_message.size + 1, sizeof(char));
memcpy(req->mib[i], DUsi->mIB_message.buf, DUsi->mIB_message.size);
/* Convert the mme name to a printable string */
req->mib[i][DUsi->mIB_message.size] = '\0';
req->mib_length[i] = DUsi->mIB_message.size;
LOG_D(F1AP, "req->mib[%d] len = %d \n", i, req->mib_length[i]);
sys_info->mib = calloc(DUsi->mIB_message.size, sizeof(char));
memcpy(sys_info->mib, DUsi->mIB_message.buf, DUsi->mIB_message.size);
sys_info->mib_length = DUsi->mIB_message.size;
/* sib1 */
req->sib1[i] = calloc(DUsi->sIB1_message.size + 1, sizeof(char));
memcpy(req->sib1[i], DUsi->sIB1_message.buf, DUsi->sIB1_message.size);
/* Convert the mme name to a printable string */
req->sib1[i][DUsi->sIB1_message.size] = '\0';
req->sib1_length[i] = DUsi->sIB1_message.size;
LOG_D(F1AP, "req->sib1[%d] len = %d \n", i, req->sib1_length[i]);
sys_info->sib1 = calloc(DUsi->sIB1_message.size, sizeof(char));
memcpy(sys_info->sib1, DUsi->sIB1_message.buf, DUsi->sIB1_message.size);
sys_info->sib1_length = DUsi->sIB1_message.size;
}
// char *measurement_timing_information[F1AP_MAX_NB_CELLS];
openair2/F1AP/f1ap_du_interface_management.c
+4 -6
View File
@@ -281,12 +281,10 @@ int DU_send_F1_SETUP_REQUEST(instance_t instance, f1ap_setup_req_t *setup_req)
strlen(measurementTimingConfiguration));
asn1cCalloc(gnb_du_served_cells_item->gNB_DU_System_Information, gNB_DU_System_Information);
/* 4.1.2 gNB-DU System Information */
OCTET_STRING_fromBuf(&gNB_DU_System_Information->mIB_message, // sept. 2018
(const char *)setup_req->mib[i], //f1ap_du_data->mib,
setup_req->mib_length[i]);
OCTET_STRING_fromBuf(&gNB_DU_System_Information->sIB1_message, // sept. 2018
(const char *)setup_req->sib1[i],
setup_req->sib1_length[i]);
AssertFatal(setup_req->cell[i].sys_info != NULL, "assume that sys_info is present, which is not the case\n");
const f1ap_gnb_du_system_info_t *sys_info = setup_req->cell[i].sys_info;
OCTET_STRING_fromBuf(&gNB_DU_System_Information->mIB_message, (const char *)sys_info->mib, sys_info->mib_length);
OCTET_STRING_fromBuf(&gNB_DU_System_Information->sIB1_message, (const char *)sys_info->sib1, sys_info->sib1_length);
}
/* mandatory */
openair2/GNB_APP/gnb_config.c
+12 -12
View File
@@ -2013,10 +2013,13 @@ int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
DevAssert(rrc->carrier.mib != NULL);
int buf_len = 3; // this is what we assume in monolithic
f1Setup->mib[k] = calloc(buf_len, sizeof(*f1Setup->mib[k]));
DevAssert(f1Setup->mib[k] != NULL);
f1Setup->mib_length[k] = encode_MIB_NR(rrc->carrier.mib, 0, f1Setup->mib[k], buf_len);
DevAssert(f1Setup->mib_length[k] == buf_len);
f1Setup->cell[k].sys_info = calloc(1, sizeof(*f1Setup->cell[k].sys_info));
AssertFatal(f1Setup->cell[k].sys_info != NULL, "out of memory\n");
f1ap_gnb_du_system_info_t *sys_info = f1Setup->cell[k].sys_info;
sys_info->mib = calloc(buf_len, sizeof(*sys_info->mib));
DevAssert(sys_info->mib != NULL);
sys_info->mib_length = encode_MIB_NR(rrc->carrier.mib, 0, sys_info->mib, buf_len);
DevAssert(sys_info->mib_length == buf_len);
NR_BCCH_DL_SCH_Message_t *bcch_message = NULL;
asn_codec_ctx_t st={100*1000};
@@ -2034,12 +2037,9 @@ int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
}
NR_SIB1_t *bcch_SIB1 = bcch_message->message.choice.c1->choice.systemInformationBlockType1;
f1Setup->sib1[k] = calloc(1,rrc->carrier.sizeof_SIB1);
asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_SIB1,
NULL,
(void *)bcch_SIB1,
f1Setup->sib1[k],
NR_MAX_SIB_LENGTH/8);
sys_info->sib1 = calloc(1,rrc->carrier.sizeof_SIB1);
asn_enc_rval_t enc_rval =
uper_encode_to_buffer(&asn_DEF_NR_SIB1, NULL, (void *)bcch_SIB1, sys_info->sib1, NR_MAX_SIB_LENGTH / 8);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
@@ -2047,8 +2047,8 @@ int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
LOG_I(NR_RRC, "SIB1 container to be integrated in F1 Setup request:\n");
xer_fprint(stdout, &asn_DEF_NR_SIB1,(void *)bcch_message->message.choice.c1->choice.systemInformationBlockType1 );
//}
f1Setup->sib1_length[k] = (enc_rval.encoded+7)/8;
break;
sys_info->sib1_length = (enc_rval.encoded + 7) / 8;
break;
}
}
}
openair2/RRC/NR/rrc_gNB.c
+9 -7
View File
@@ -1873,13 +1873,15 @@ void rrc_gNB_process_f1_setup_req(f1ap_setup_req_t *f1_setup_req) {
//fixme: multi instance is not consistent here
F1AP_SETUP_RESP (msg_p).gNB_CU_name = rrc->node_name;
// check that CU rrc instance corresponds to mcc/mnc/cgi (normally cgi should be enough, but just in case)
LOG_W(NR_RRC, "instance %d sib1 length %d\n", i, f1_setup_req->sib1_length[i]);
const f1ap_gnb_du_system_info_t *sys_info = f1_setup_req->cell[i].sys_info;
AssertFatal(sys_info != NULL, "no system information found, should send F1 Setup Failure\n");
LOG_W(NR_RRC, "instance %d sib1 length %d\n", i, sys_info->sib1_length);
AssertFatal(rrc->carrier.mib == NULL, "CU MIB is already initialized: double F1 setup request?\n");
asn_dec_rval_t dec_rval = uper_decode_complete(NULL,
&asn_DEF_NR_BCCH_BCH_Message,
(void **)&rrc->carrier.mib,
f1_setup_req->mib[i],
f1_setup_req->mib_length[i]);
&asn_DEF_NR_BCCH_BCH_Message,
(void **)&rrc->carrier.mib,
sys_info->mib,
sys_info->mib_length);
AssertFatal(dec_rval.code == RC_OK,
"[gNB_CU %"PRIu8"] Failed to decode NR_BCCH_BCH_MESSAGE (%zu bits)\n",
j,
@@ -1888,8 +1890,8 @@ void rrc_gNB_process_f1_setup_req(f1ap_setup_req_t *f1_setup_req) {
dec_rval = uper_decode_complete(NULL,
&asn_DEF_NR_SIB1, //&asn_DEF_NR_BCCH_DL_SCH_Message,
(void **)&rrc->carrier.siblock1_DU,
f1_setup_req->sib1[i],
f1_setup_req->sib1_length[i]);
sys_info->sib1,
sys_info->sib1_length);
AssertFatal(dec_rval.code == RC_OK,
"[gNB_DU %"PRIu8"] Failed to decode NR_BCCH_DLSCH_MESSAGE (%zu bits)\n",
j,