modified mapping of SSB index to UE_id

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -46,6 +46,9 @@
 #include "NR_MIB.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
 
+/* Softmodem params */
+#include "executables/softmodem-common.h"
+
 extern RAN_CONTEXT_t RC;
 //extern int l2_init_gNB(void);
 extern void mac_top_init_gNB(void);
@@ -360,22 +363,33 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
   
   if (secondaryCellGroup) {
 
-    NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
-    int UE_id;
-    if (add_ue == 1) {
-      UE_id = add_new_nr_ue(Mod_idP,rnti);
-      UE_list->secondaryCellGroup[UE_id] = secondaryCellGroup;
-      uint8_t num_preamble = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra->resources.choice.ssb->ssb_ResourceList.list.count;
-      UE_list->preambles[UE_id].num_preambles = num_preamble;
-      UE_list->preambles[UE_id].preamble_list = (uint8_t *) malloc(num_preamble*sizeof(uint8_t));
-      for (int i=0; i<num_preamble; i++) {
-        UE_list->preambles[UE_id].preamble_list[i] = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra->resources.choice.ssb->ssb_ResourceList.list.array[i]->ra_PreambleIndex;
-      }
+    NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
+    if (add_ue == 1 && get_softmodem_params()->phy_test) {
+      const int UE_id = add_new_nr_ue(Mod_idP,rnti);
+      UE_info->secondaryCellGroup[UE_id] = secondaryCellGroup;
+      struct NR_ServingCellConfig__downlinkBWP_ToAddModList *bwpList =
+          secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList;
+      AssertFatal(bwpList->list.count == 1,
+                  "downlinkBWP_ToAddModList has %d BWP!\n",
+                  bwpList->list.count);
+      const int bwp_id = 1;
+      UE_info->UE_sched_ctrl[UE_id].active_bwp = bwpList->list.array[bwp_id - 1];
       LOG_I(PHY,"Added new UE_id %d/%x with initial secondaryCellGroup\n",UE_id,rnti);
-    }
-    else { // secondaryCellGroup has been updated
-      UE_id = find_nr_UE_id(Mod_idP,rnti);
-      UE_list->secondaryCellGroup[UE_id] = secondaryCellGroup;
+    } else if (add_ue == 1 && !get_softmodem_params()->phy_test) {
+      const int CC_id = 0;
+      NR_RA_t *ra = &RC.nrmac[Mod_idP]->common_channels[CC_id].ra[0];
+      ra->state = RA_IDLE;
+      ra->secondaryCellGroup = secondaryCellGroup;
+      ra->crnti = rnti;
+      uint8_t num_preamble = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->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] = secondaryCellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra->resources.choice.ssb->ssb_ResourceList.list.array[i]->ra_PreambleIndex;
+      LOG_I(PHY,"Added new RA process for UE RNTI %04x with initial secondaryCellGroup\n", rnti);
+    } else { // secondaryCellGroup has been updated
+      const int UE_id = find_nr_UE_id(Mod_idP,rnti);
+      UE_info->secondaryCellGroup[UE_id] = secondaryCellGroup;
       LOG_I(PHY,"Modified UE_id %d/%x with secondaryCellGroup\n",UE_id,rnti);
     }
   }

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

@@ -212,7 +212,7 @@ void nr_process_mac_pdu(
 
                 LOG_D(MAC, "[UE %d] Frame %d : ULSCH -> UL-DTCH %d (gNB %d, %d bytes)\n", module_idP, frameP, rx_lcid, module_idP, mac_sdu_len);
 		int UE_id = find_nr_UE_id(module_idP, rnti);
-		RC.nrmac[module_idP]->UE_list.mac_stats[UE_id].lc_bytes_rx[rx_lcid] += mac_sdu_len;
+		RC.nrmac[module_idP]->UE_info.mac_stats[UE_id].lc_bytes_rx[rx_lcid] += mac_sdu_len;
                 #if defined(ENABLE_MAC_PAYLOAD_DEBUG)
                     LOG_T(MAC, "[UE %d] First 32 bytes of DLSCH : \n", module_idP);
 
@@ -313,19 +313,19 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
                const uint16_t rssi){
   int current_rnti = 0, UE_id = -1, harq_pid = 0;
   gNB_MAC_INST *gNB_mac = NULL;
-  NR_UE_list_t *UE_list = NULL;
+  NR_UE_info_t *UE_info = NULL;
   NR_UE_sched_ctrl_t *UE_scheduling_control = NULL;
 
   current_rnti = rntiP;
   UE_id = find_nr_UE_id(gnb_mod_idP, current_rnti);
   gNB_mac = RC.nrmac[gnb_mod_idP];
-  UE_list = &gNB_mac->UE_list;
+  UE_info = &gNB_mac->UE_info;
   int target_snrx10 = gNB_mac->pusch_target_snrx10;
 
   if (UE_id != -1) {
-    UE_scheduling_control = &(UE_list->UE_sched_ctrl[UE_id]);
+    UE_scheduling_control = &(UE_info->UE_sched_ctrl[UE_id]);
 
-    UE_list->mac_stats[UE_id].ulsch_total_bytes_rx += sdu_lenP;
+    UE_info->mac_stats[UE_id].ulsch_total_bytes_rx += sdu_lenP;
     LOG_D(MAC, "[gNB %d][PUSCH %d] CC_id %d %d.%d Received ULSCH sdu from PHY (rnti %x, UE_id %d) ul_cqi %d\n",
           gnb_mod_idP,
           harq_pid,
@@ -366,20 +366,45 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
 
     }
   }
-  else {
+  else if (sduP != NULL) { // if the CRC passed
     // random access pusch with TC-RNTI
-    if (sduP != NULL) { // if the CRC passed
-      for (int i = 0; i < MAX_MOBILES_PER_GNB; i++) {
-        if (UE_list->active[i] == TRUE) {
-          if (UE_list->tc_rnti[i] == current_rnti) {
-            // for now the only thing we are doing is set the UE as 5G connected
-            UE_list->fiveG_connected[i] = true;
-            LOG_I(MAC, "[gNB %d][RAPROC] PUSCH with TC_RNTI %x received correctly and UE_id %d is now 5G connected\n",
-                  gnb_mod_idP, current_rnti, i);
-          }
-        }
-      }
+    NR_RA_t *ra = &gNB_mac->common_channels[CC_idP].ra[0];
+    if (ra->state != WAIT_Msg3) {
+      LOG_E(MAC,
+            "expected RA state WAIT_Msg3/%d (but is %d) for RA-RNTI %04x\n",
+            WAIT_Msg3,
+            ra->state,
+            ra->rnti);
+      return;
+    }
+    if (ra->rnti != current_rnti) {
+      LOG_E(MAC,
+            "expected RA-RNTI %04x (C-RNTI %04x) to match current RNTI %04x\n",
+            ra->rnti,
+            ra->crnti,
+            current_rnti);
+      return;
     }
+    free(ra->preambles.preamble_list);
+    ra->state = RA_IDLE;
+    LOG_I(MAC, "reset RA state information for RA-RNTI %04x\n", ra->rnti);
+    const int UE_id = add_new_nr_ue(gnb_mod_idP, ra->crnti);
+    UE_info->secondaryCellGroup[UE_id] = ra->secondaryCellGroup;
+    UE_info->UE_beam_index[UE_id] = ra->beam_id;
+    struct NR_ServingCellConfig__downlinkBWP_ToAddModList *bwpList =
+        ra->secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList;
+    AssertFatal(bwpList->list.count == 1,
+                "downlinkBWP_ToAddModList has %d BWP!\n",
+                bwpList->list.count);
+    const int bwp_id = 1;
+    UE_info->UE_sched_ctrl[UE_id].active_bwp = bwpList->list.array[bwp_id - 1];
+    LOG_W(MAC,
+          "[gNB %d][RAPROC] PUSCH with TC_RNTI %x received correctly, "
+          "adding UE MAC Context UE_id %d/RNTI %04x\n",
+          gnb_mod_idP,
+          current_rnti,
+          UE_id,
+          ra->crnti);
   }
 }
 

openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h

@@ -74,6 +74,7 @@
 #define MAX_NUM_CCE 90
 /*!\brief Maximum number of random access process */
 #define NR_NB_RA_PROC_MAX 4
+#define MAX_NUM_OF_SSB 64
 
 typedef enum {
   RA_IDLE = 0,
@@ -83,6 +84,11 @@ typedef enum {
   WAIT_Msg4_ACK = 4
 } RA_gNB_state_t;
 
+typedef struct NR_preamble_ue {
+  uint8_t num_preambles;
+  uint8_t *preamble_list;
+} NR_preamble_ue_t;
+
 /*! \brief gNB template for the Random access information */
 typedef struct {
   /// Flag to indicate this process is active
@@ -141,8 +147,14 @@ typedef struct {
   int msg4_mcs;
   /// RA search space
   NR_SearchSpace_t *ra_ss;
-  // SSB id
-  uint8_t ssb_id;
+  // Beam index
+  uint8_t beam_id;
+  /// secondaryCellGroup for UE in NSA that is to come
+  NR_CellGroupConfig_t *secondaryCellGroup;
+  /// Preambles for contention-free access
+  NR_preamble_ue_t preambles;
+  /// NSA: the UEs C-RNTI to use
+  rnti_t crnti;
 } NR_RA_t;
 
 /*! \brief gNB common channels */
@@ -174,19 +186,21 @@ typedef struct {
   /// Template for RA computations
   NR_RA_t ra[NR_NB_RA_PROC_MAX];
   /// VRB map for common channels
-  uint8_t vrb_map[100];
+  uint8_t vrb_map[275];
   /// VRB map for common channels and retransmissions by PHICH
-  uint8_t vrb_map_UL[100];
+  uint8_t vrb_map_UL[275];
   /// number of subframe allocation pattern available for MBSFN sync area
   uint8_t num_sf_allocation_pattern;
-	///Number of active SSBs
-	uint8_t num_active_ssb;
-	//Total available prach occasions per configuration period
-	uint32_t total_prach_occasions_per_config_period;
-	//Total available prach occasions
-	uint32_t total_prach_occasions;
-	//Max Association period
-	uint8_t max_association_period;
+  ///Number of active SSBs
+  uint8_t num_active_ssb;
+  //Total available prach occasions per configuration period
+  uint32_t total_prach_occasions_per_config_period;
+  //Total available prach occasions
+  uint32_t total_prach_occasions;
+  //Max Association period
+  uint8_t max_association_period;
+  //SSB index
+  uint8_t ssb_index[MAX_NUM_OF_SSB];
 } NR_COMMON_channels_t;
 
 
@@ -278,6 +292,14 @@ typedef struct NR_UE_harq {
   uint16_t feedback_slot;
 } NR_UE_harq_t;
 
+typedef struct NR_UE_old_sched {
+  uint16_t rbSize;
+  int time_domain_allocation;
+  uint8_t mcsTableIdx;
+  uint8_t mcs;
+  uint8_t numDmrsCdmGrpsNoData;
+} NR_UE_ret_info_t;
+
 typedef enum {
   INACTIVE = 0,
   ACTIVE_NOT_SCHED,
@@ -293,10 +315,39 @@ typedef struct NR_UE_ul_harq {
 
 /*! \brief scheduling control information set through an API */
 typedef struct {
-  uint64_t dlsch_in_slot_bitmap;  // static bitmap signaling which slot in a tdd period contains dlsch
-  uint64_t ulsch_in_slot_bitmap;  // static bitmap signaling which slot in a tdd period contains ulsch
+  /// total amount of data awaiting for this UE
+  uint32_t num_total_bytes;
+  /// per-LC status data
+  mac_rlc_status_resp_t rlc_status[MAX_NUM_LCID];
+
+  /// the currently active BWP in DL
+  NR_BWP_Downlink_t *active_bwp;
   NR_sched_pucch *sched_pucch;
+  /// selected PUCCH index, if scheduled
+  int pucch_sched_idx;
   NR_sched_pusch *sched_pusch;
+
+  /// CCE index and aggregation, should be coherent with cce_list
+  NR_SearchSpace_t *search_space;
+  NR_ControlResourceSet_t *coreset;
+  int cce_index;
+  uint8_t aggregation_level;
+
+  /// RB allocation within active BWP
+  uint16_t rbSize;
+  uint16_t rbStart;
+
+  // time-domain allocation for scheduled RBs
+  int time_domain_allocation;
+
+  /// MCS-related infos
+  uint8_t mcsTableIdx;
+  uint8_t mcs;
+  uint8_t numDmrsCdmGrpsNoData;
+
+  /// Retransmission-related information
+  NR_UE_ret_info_t retInfo[NR_MAX_NB_HARQ_PROCESSES];
+
   uint16_t ta_timer;
   int16_t ta_update;
   bool ta_apply;
@@ -310,11 +361,6 @@ typedef struct {
   NR_UE_mac_ce_ctrl_t UE_mac_ce_ctrl;// MAC CE related information
 } NR_UE_sched_ctrl_t;
 
-typedef struct NR_preamble_ue {
-  uint8_t num_preambles;
-  uint8_t *preamble_list;
-} NR_preamble_ue;
-
 typedef struct {
 
   int lc_bytes_tx[64];
@@ -328,40 +374,28 @@ typedef struct {
   int ulsch_total_bytes_rx;
 } NR_mac_stats_t;
 
+
+/*! \brief UNR_E_list_t is a "list" of users within UE_info_t. Especial useful in
+ * the scheduler and to keep "classes" of users. */
+typedef struct {
+  int head;
+  int next[MAX_MOBILES_PER_GNB];
+} NR_UE_list_t;
+
 /*! \brief UE list used by gNB to order UEs/CC for scheduling*/
 typedef struct {
   DLSCH_PDU DLSCH_pdu[4][MAX_MOBILES_PER_GNB];
   /// scheduling control info
   NR_UE_sched_ctrl_t UE_sched_ctrl[MAX_MOBILES_PER_GNB];
   NR_mac_stats_t mac_stats[MAX_MOBILES_PER_GNB];
-  int next[MAX_MOBILES_PER_GNB];
-  int head;
-  int next_ul[MAX_MOBILES_PER_GNB];
-  int head_ul;
-  int avail;
+  NR_UE_list_t list;
   int num_UEs;
-  boolean_t active[MAX_MOBILES_PER_GNB];
-  boolean_t fiveG_connected[MAX_MOBILES_PER_GNB];
+  bool active[MAX_MOBILES_PER_GNB];
   rnti_t rnti[MAX_MOBILES_PER_GNB];
-  rnti_t tc_rnti[MAX_MOBILES_PER_GNB];
-  NR_preamble_ue preambles[MAX_MOBILES_PER_GNB];
   NR_CellGroupConfig_t *secondaryCellGroup[MAX_MOBILES_PER_GNB];
-	uint8_t UE_ssb_index[MAX_MOBILES_PER_GNB];
-} NR_UE_list_t;
-
-typedef struct {
-  rnti_t rnti;
-  rnti_t tc_rnti;
-  boolean_t active;  
-} NR_SSB_UE_list_t;
-
-#define MAX_NUM_OF_SSB 64
-
-typedef struct {
-	uint8_t ssb_index;
-  int num_UEs;
-  NR_SSB_UE_list_t SSB_UE_list[MAX_MOBILES_PER_GNB];
-} NR_SSB_list_t;		
+  // UE selected beam index
+  uint8_t UE_beam_index[MAX_MOBILES_PER_GNB];
+} NR_UE_info_t;
 
 /*! \brief top level eNB MAC structure */
 typedef struct gNB_MAC_INST_s {
@@ -395,9 +429,8 @@ typedef struct gNB_MAC_INST_s {
   /// NFAPI DL PDU structure
   nfapi_nr_tx_data_request_t        TX_req[NFAPI_CC_MAX];
 
-  NR_UE_list_t UE_list;
+  NR_UE_info_t UE_info;
 
-  NR_SSB_list_t SSB_list[MAX_NUM_OF_SSB];
   /// UL handle
   uint32_t ul_handle;