--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/sndcp/sndcp_pdp.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,101 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GPRS (8441)
+|  Modul   :  sndcp_pdp.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 is part of the entity SNDCP and implements all 
+|             functions to handles the incoming primitives as described in 
+|             the SDL-documentation (PD-statemachine)
++----------------------------------------------------------------------------- 
+*/ 
+
+#define ENTITY_SNDCP
+
+/*==== INCLUDES =============================================================*/
+
+#include "typedefs.h"    /* to get Condat data types */
+#include "vsi.h"        /* to get a lot of macros */
+#include "macdef.h"
+#include "prim.h"       /* to get the definitions of used SAP and directions */
+
+#include "dti.h"
+
+#include "sndcp.h"        /* to get the global entity definitions */
+#include "sndcp_f.h"       /* to get the functions to access the global arrays*/
+
+#include "sndcp_sds.h"     /* to get the signals to sd. */
+
+
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : pd_ll_unitdata_ind
++------------------------------------------------------------------------------
+| Description : Handles the primitive LL_UNITDATA_IND
+|
+| Parameters  : *ll_unitdata_ind - Ptr to primitive payload
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void pd_ll_unitdata_ind ( T_LL_UNITDATA_IND *ll_unitdata_ind )
+{ 
+  UBYTE sapi_index = 0;
+
+
+#ifdef FLOW_TRACE
+  sndcp_trace_flow_control(FLOW_TRACE_SNDCP, 
+                           FLOW_TRACE_DOWN, 
+                           FLOW_TRACE_BOTTOM, 
+                           FALSE);
+#endif
+  TRACE_FUNCTION( "pd_ll_unitdata_ind" );
+
+   /*
+    * set service instance according to sapi in primitive
+    */
+  sndcp_get_sapi_index(ll_unitdata_ind->sapi, &sapi_index);
+  sndcp_data->pd = & sndcp_data->pd_base[sapi_index];
+  
+  switch( GET_STATE( PD ) )
+  {
+    case PD_DEFAULT:
+#ifdef SNDCP_TRACE_ALL
+      TRACE_EVENT_P1("downlink at LL SAP: %d octets", 
+                     ll_unitdata_ind->sdu.l_buf >> 3);
+
+      sndcp_trace_sdu(& ll_unitdata_ind->sdu);
+
+#endif        
+      sig_pd_sd_unitdata_ind(ll_unitdata_ind);
+      break;
+    default:
+      TRACE_ERROR( "LL_UNITDATA_IND unexpected" );
+      if (ll_unitdata_ind != NULL) {
+        PFREE (ll_unitdata_ind);
+      }
+      break;
+  }
+
+} /* pd_ll_unitdata_ind() */
+
+