--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-fad/l2r/l2r_dns.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,373 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  CSD (8411)
+|  Modul   :  L2r_dns.c
++----------------------------------------------------------------------------- 
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :  This Modul defines the functions for processing
+|             of incomming signals for the component
+|             L2R of the base station
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef L2R_DNS_C
+#define L2R_DNS_C
+#endif
+
+#define ENTITY_L2R
+
+/*==== INCLUDES ===================================================*/
+
+#include <string.h>
+#include "typedefs.h"
+#include "pconst.cdg"
+#include "vsi.h"
+#include "macdef.h"
+#include "custom.h"
+#include "gsm.h"
+#include "cus_l2r.h"
+#include "cnf_l2r.h"
+#include "mon_l2r.h"
+#include "prim.h"
+#include "pei.h"
+#include "tok.h"
+#include "dti.h"      /* functionality of the dti library */
+
+#include "cl_ribu.h"
+#include "l2r.h"
+
+/*==== CONST =======================================================*/
+
+/*==== TYPES =======================================================*/
+
+/*==== VAR EXPORT ==================================================*/
+
+/*==== VAR LOCAL ===================================================*/
+
+/*==== FUNCTIONS ===================================================*/
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_conn_req
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_CONN_REQ received
+|                from process management.
+|
+|  Parameters  : flowCtrlUsed - 
+|                riBuSize     -
+|                inst_id      -
+|                 
+|
+|  Return      : 
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_conn_req
+            (
+            BOOL    flowCtrlUsed,
+            T_PRIM_DESC_RIBU_SIZE riBuSize,
+            UBYTE   inst_id
+            )
+{
+  T_DN *ddn = &l2r_data->dn;
+
+  TRACE_FUNCTION ("sig_mgt_dn_conn_req()");
+
+  switch (GET_STATE (DN))
+  {
+  case DN_DISCONNECTED:
+    {
+    PALLOC (rlp_getdata_req, RLP_GETDATA_REQ);
+
+    ddn->FlowCtrlUsed = flowCtrlUsed;
+    ddn->InstID       = inst_id;
+
+    if (riBuSize > MAX_DPRIM_RIBU_SIZE)
+    {
+      ddn->RiBu.idx.depth = MAX_DPRIM_RIBU_SIZE;
+    }
+    else
+    {
+      ddn->RiBu.idx.depth = riBuSize;
+    }
+
+    dn_init_ribu();
+
+    ddn->FlowThresh = ddn->RiBu.idx.depth >> 1;
+
+    ddn->DnFlow = FL_INACTIVE;
+    ddn->UpFlow = FL_INACTIVE;
+    ddn->ULFlow = FL_INACTIVE;
+    ddn->LLFlow = FL_INACTIVE;
+    dn_merge_flow();
+
+    ddn->ReportMrgFlow = FALSE;
+    
+    PSENDX (RLP, rlp_getdata_req);
+    
+    SET_STATE (DN_LL, IW_WAIT);
+    SET_STATE (DN_UL, IW_IDLE);
+    SET_STATE (DN, DN_WAIT_FIRST_DATA);
+    break;
+    }
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_disc_req 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_DISC_REQ received
+|                from process management.
+|
+|
+|  Parameters  : -
+|                 
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_disc_req(void)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_disc_req()");
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    dn_free_all_prims();
+    SET_STATE(DN, DN_DISCONNECTED);
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_break_req 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_BREAK_REQ received
+|                from process management.
+|
+|
+|  Parameters  : - 
+|                 
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_break_req(void)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_break_req()");
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    dn_free_all_prims();
+    dn_init_ribu();
+    dn_check_flow();
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_clear_req
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_CLEAR_REQ received
+|                from process management.
+|
+|  Parameters  : -
+|                 
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_clear_req(void)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_clear_req()");
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    dn_free_all_prims();
+    dn_init_ribu();
+    dn_check_flow();
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_reconn_req 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_RECONN_REQ received
+|                from process management.
+|
+|  Parameters  : - 
+|                 
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_reconn_req(void)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_reconn_req()");
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    PALLOC (rlp_getdata_req, RLP_GETDATA_REQ);
+    PSENDX (RLP, rlp_getdata_req);
+    SET_STATE (DN_LL, IW_WAIT);
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_dti_conn_setup
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_DTI_CONN_SETUP
+|                received from process management.
+|
+|  Parameters  : link_id            channel id of the link
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_dti_conn_setup (ULONG link_id)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_dti_conn_setup()");
+
+  l2r_data->dn.link_id = link_id;
+  SET_STATE (DN_UL, IW_IDLE); /* jk: to IDLE in order to be able to respond with DTI_GETDATA_REQ */
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_up_dn_flow 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_UP_DN_FLOW received
+|                from process uplink.
+|
+|  Parameters  : flow - 
+|                 
+|
+|  Return      : 
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_up_dn_flow(T_FLOW flow)
+{
+  if (flow EQ FL_ACTIVE)
+  {
+    TRACE_FUNCTION ("sig_up_dn_flow(ACTIVE)");
+  }
+  else
+  {
+    TRACE_FUNCTION ("sig_up_dn_flow(INACTIVE)");
+  }
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    T_FLOW oldFlow = l2r_data->dn.UpFlow;
+    l2r_data->dn.UpFlow = flow;
+
+    if (flow NEQ oldFlow)
+    {
+      dn_merge_flow();
+    }
+    dn_cond_report_status();
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_up_dn_ul_flow 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_UP_DN_UL_FLOW received
+|                from process uplink.
+|
+|
+|  Parameters  : flow - 
+|                 
+|
+|  Return      : 
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_up_dn_ul_flow(T_FLOW flow)
+{
+  if (flow EQ FL_ACTIVE)
+  {
+    TRACE_FUNCTION ("sig_up_dn_ul_flow(ACTIVE)");
+  }
+  else
+  {
+    TRACE_FUNCTION ("sig_up_dn_ul_flow(INACTIVE)");
+  }
+
+  if (GET_STATE (DN) EQ DN_CONNECTED)
+  {
+    l2r_data->dn.ULFlow = flow;
+    if (l2r_data->dn.ULFlow EQ FL_INACTIVE AND GET_STATE (DN_UL) EQ IW_WAIT
+        AND l2r_data->dn.DtiConnected /*jk: data send only when DTI connected*/
+       )
+    {
+      dn_send_data_ind();
+      SET_STATE (DN_UL, IW_IDLE);
+    }
+  }
+}
+
+/*
++------------------------------------------------------------------------------
+|  Function    : sig_mgt_dn_send_break_req 
++------------------------------------------------------------------------------
+|  Description : Process signal SIG_MGT_DN_SEND_BREAK_REQ received
+|                from process uplink.
+|
+|
+|  Parameters  : - 
+|                 
+|
+|  Return      : -
++------------------------------------------------------------------------------
+*/
+
+GLOBAL void sig_mgt_dn_send_break_req(void)
+{
+  TRACE_FUNCTION ("sig_mgt_dn_send_break_req");
+ 
+  switch (GET_STATE (DN))
+  {
+  case DN_CONNECTED:
+  case DN_WAIT_FIRST_DATA:
+     /*
+      * processing for state MGT_CONNECTED
+      */
+    if (l2r_data->dn.Brk_dti_data_ind NEQ NULL && GET_STATE (DN_UL) EQ IW_WAIT)
+    {
+      dti_send_data (
+        l2r_hDTI,
+        L2R_DTI_UP_DEF_INSTANCE,
+        L2R_DTI_UP_INTERFACE,
+        L2R_DTI_UP_CHANNEL,
+        l2r_data->dn.Brk_dti_data_ind
+        );        
+      SET_STATE (DN_UL, IW_IDLE);
+      /* do not send it twice .. */
+      l2r_data->dn.Brk_dti_data_ind = NULL;
+    }
+    break;
+  default:
+    TRACE_ERROR ("[sig_mgt_dn_send_break_req] unexpected state");
+    break;
+  }
+}