OAI specific config_request field for analog beamforming

nfapi/open-nFAPI/fapi/src/nr_fapi_p5.c

@@ -1227,6 +1227,29 @@ uint8_t pack_nr_config_request(void *msg, uint8_t **ppWritePackedMsg, uint8_t *e
     numTLVs++;
   }
 #endif
+
+  AssertFatal(pNfapiMsg->analog_beamforming_ve.num_beams_period_vendor_ext.tl.tag == 0, "BF Vendor extension shouldn't be set!");
+  // The call to pack the TLV would be the same as any other TLV, it is only packed if the tag is set,
+  // so, it's safe to add the call to pack_nr_tlv even if it is not always set
+  retval &= pack_nr_tlv(NFAPI_NR_FAPI_NUM_BEAMS_PERIOD_VENDOR_EXTENSION_TAG,
+                        &(pNfapiMsg->analog_beamforming_ve.num_beams_period_vendor_ext),
+                        ppWritePackedMsg,
+                        end,
+                        &pack_uint8_tlv_value);
+  // only increase if it was set
+  numTLVs += pNfapiMsg->analog_beamforming_ve.num_beams_period_vendor_ext.tl.tag == NFAPI_NR_FAPI_NUM_BEAMS_PERIOD_VENDOR_EXTENSION_TAG;
+
+  AssertFatal(pNfapiMsg->analog_beamforming_ve.analog_bf_vendor_ext.tl.tag == 0, "BF Vendor extension shouldn't be set!");
+  // The call to pack the TLV would be the same as any other TLV, it is only packed if the tag is set,
+  // so, it's safe to add the call to pack_nr_tlv even if it is not always set
+  retval &= pack_nr_tlv(NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG,
+                        &(pNfapiMsg->analog_beamforming_ve.analog_bf_vendor_ext),
+                        ppWritePackedMsg,
+                        end,
+                        &pack_uint8_tlv_value);
+  // only increase if it was set
+  numTLVs += pNfapiMsg->analog_beamforming_ve.analog_bf_vendor_ext.tl.tag == NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG;
+
   pNfapiMsg->num_tlv = numTLVs;
   retval &= push8(pNfapiMsg->num_tlv, &pNumTLVFields, end);
   return retval;

nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface.h

@@ -23,6 +23,8 @@
 #define NFAPI_NR_NFAPI_TIMING_WINDOW_TAG 0x011E
 #define NFAPI_NR_NFAPI_TIMING_INFO_MODE_TAG 0x011F
 #define NFAPI_NR_NFAPI_TIMING_INFO_PERIOD_TAG 0x0120
+#define NFAPI_NR_FAPI_NUM_BEAMS_PERIOD_VENDOR_EXTENSION_TAG 0xA000
+#define NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG 0xA001
 
 typedef enum {
   NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED=1,

nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h

@@ -484,6 +484,11 @@ typedef struct {
   nfapi_nr_pm_pdu_t *pmi_pdu;
 } nfapi_nr_pm_list_t;
 
+typedef struct {
+  nfapi_uint8_tlv_t num_beams_period_vendor_ext;
+  nfapi_uint8_tlv_t analog_bf_vendor_ext;
+} nfapi_nr_analog_beamforming_ve_t;
+
 // ERROR enums
 typedef enum {    // Table 2-22
   NFAPI_NR_PARAM_MSG_OK = 0, 
@@ -597,6 +602,7 @@ typedef struct {
   nfapi_nr_nfapi_t              nfapi_config;
   nfapi_nr_pm_list_t            pmi_list;
   nfapi_nr_dbt_pdu_t            dbt_config;
+  nfapi_nr_analog_beamforming_ve_t analog_beamforming_ve;
 } nfapi_nr_config_request_scf_t;
 
 typedef enum {

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -615,11 +615,20 @@ static void config_common(gNB_MAC_INST *nrmac,
       }
     }
   }
+
+  if (nrmac->beam_info.beam_allocation) {
+    cfg->analog_beamforming_ve.num_beams_period_vendor_ext.tl.tag = NFAPI_NR_FAPI_NUM_BEAMS_PERIOD_VENDOR_EXTENSION_TAG;
+    cfg->analog_beamforming_ve.num_beams_period_vendor_ext.value = nrmac->beam_info.beams_per_period;
+    cfg->num_tlv++;
+    cfg->analog_beamforming_ve.analog_bf_vendor_ext.tl.tag = NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG;
+    cfg->analog_beamforming_ve.analog_bf_vendor_ext.value = 1;  // analog BF enabled
+    cfg->num_tlv++;
+  }
 }
 
 static void initialize_beam_information(NR_beam_info_t *beam_info, int mu, int slots_per_frame)
 {
-  if(!beam_info->beam_allocation)
+  if (!beam_info->beam_allocation)
     return;
 
   int size = mu == 0 ? slots_per_frame << 1 : slots_per_frame;