--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/llc/llc_uitxp.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,342 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :   
+|  Modul   :  
++----------------------------------------------------------------------------- 
+|  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 LLC and implements all 
+|             functions to handles the incoming primitives as described in 
+|             the SDL-documentation (UITX-statemachine)
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef LLC_UITXP_C
+#define LLC_UITXP_C
+#endif
+
+#define ENTITY_LLC
+
+/*==== INCLUDES =============================================================*/
+
+#include "typedefs.h"   /* to get Condat data types */
+#include "vsi.h"        /* to get a lot of macros */
+#include "macdef.h"
+#include "gprs.h"
+#include "gsm.h"        /* to get a lot of macros */
+#include "cnf_llc.h"    /* to get cnf-definitions */
+#include "mon_llc.h"    /* to get mon-definitions */
+#include "prim.h"       /* to get the definitions of used SAP and directions */
+#include "llc.h"        /* to get the global entity definitions */
+#include "llc_f.h"
+#include "llc_uitxf.h"  /* to get local UITX functions */
+#include "llc_txs.h"    /* to get signal interface to TX */
+#include <string.h>     /* to get memcpy */
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+/*
++------------------------------------------------------------------------------
+| Function    : uitx_ll_unitdesc_req
++------------------------------------------------------------------------------
+| Description : Handles the primitive LL_UNITDESC_REQ
+|
+| Parameters  : *ll_unitdesc_req - Ptr to primitive payload
+|
++------------------------------------------------------------------------------
+*/
+/*#if defined(CF_FAST_EXEC) || defined(_SIMULATION_) || \
+   defined(LL_2to1) */
+
+GLOBAL void uitx_ll_unitdesc_req
+(
+#ifdef LL_DESC 
+  T_LL_UNITDESC_REQ *ll_unitdesc_req_
+#else
+  T_LL_UNITDATA_REQ *ll_unitdesc_req_
+#endif
+)
+{
+  /*
+   * Indicates if the frame shall be ciphered or not (LL_CIPHER_ON/OFF).
+   */
+  UBYTE                       cipher;
+  T_FRAME_NUM                 used_nu;
+  ULONG                       used_oc;
+
+  TRACE_FUNCTION( "uitx_ll_unitdesc_req" );
+
+  {
+    /*
+     * PPASS added to let the FRAME know that the primitive has to be copied
+     * now for duplicating primiives. Otherwise the changed primitie will be duplicated 
+     */
+#ifdef LL_DESC
+    PPASS (ll_unitdesc_req_, ll_unitdesc_req, LL_UNITDESC_REQ);
+#else
+    PPASS (ll_unitdesc_req_, ll_unitdesc_req, LL_UNITDATA_REQ);
+#endif
+
+    SWITCH_LLC (ll_unitdesc_req->sapi);
+#ifdef REL99
+    llc_data->cur_pfi        = ll_unitdesc_req->pkt_flow_id; /* store current packet flow identifier */
+    TRACE_EVENT_P1("packet flow id = %d",ll_unitdesc_req->pkt_flow_id);
+#endif
+
+    llc_data->cur_qos        = ll_unitdesc_req->ll_qos;      /* store current QoS */
+    llc_data->cur_radio_prio = ll_unitdesc_req->radio_prio; /* store current radio prioirity */
+    /* The stored PFI,QOS and radio priority is later used to copy to PFI,QOS and radio priority
+    respectively of control messages like SABM,DM,XID response,etc. */
+    TRACE_EVENT_P1("radio priority = %d",ll_unitdesc_req->radio_prio);
+    TRACE_EVENT_P1("peak throughput = %d",ll_unitdesc_req->ll_qos.peak);
+
+    /*
+     * Overwrite cipher request on all SAPIs except GMM. They don't
+     * know anything about ciphering in current design.
+     */
+    if (ll_unitdesc_req->sapi != LL_SAPI_1)
+    {
+      if (llc_data->ciphering_algorithm == LLGMM_CIPHER_NO_ALGORITHM)
+        cipher = LL_CIPHER_OFF;
+      else
+        cipher = LL_CIPHER_ON;
+    }
+    else
+    {
+      cipher = ll_unitdesc_req->cipher;
+    }
+
+#ifdef LL_DESC
+    TRACE_3_PARA("s:%d len:%d c:%d", ll_unitdesc_req->sapi, 
+                                   ll_unitdesc_req->desc_list3.list_len, 
+                                   cipher );
+#else
+    TRACE_3_PARA("s:%d len:%d c:%d", ll_unitdesc_req->sapi, 
+                                   BYTELEN(ll_unitdesc_req->sdu.l_buf), 
+                                   cipher );
+#endif
+
+    /*
+     * Set up the attached counter to CCI_NO_ATTACHE.
+     */
+     ll_unitdesc_req->attached_counter = CCI_NO_ATTACHE; 
+
+#ifdef REL99 
+    /*
+     * Packet flow identifier is passed transparantly if data request is from SNDCP.
+     * If data request is from GMM fill PFI = LL_PFI_SIGNALING,
+     * If data request is from GSMS fill PFI = LL_PFI_SMS   
+     * for all other SAPs(if sapi 2 & 8 are supported in future) set pkt_flow_id is to LL_PKT_FLOW_ID_NOT_PRES,
+     * until specification are clarified.
+     */
+    switch(ll_unitdesc_req->sapi)
+    {
+
+      case LL_SAPI_3:
+      case LL_SAPI_5:
+      case LL_SAPI_9:
+      case LL_SAPI_11:
+        /*Packet flow identifier is passed transparantly if data request is from SNDCP.*/
+        break;
+
+      case LL_SAPI_1:
+        /* 
+         * From 24.008 & 23.060 it is interpreted that for all signalling data, a 
+         * predefined PFI LL_PFI_SIGNALING shall be used.
+         */
+        ll_unitdesc_req->pkt_flow_id = LL_PFI_SIGNALING;
+        ll_unitdesc_req->ll_qos.peak = LL_PEAK_256K;
+        break;
+
+      case LL_SAPI_7:
+        /* 
+         * From 24.008 & 23.060 it is interpreted that for all SMS data, a 
+         * predefined PFI LL_PFI_SMS shall be used.
+         */
+        ll_unitdesc_req->pkt_flow_id = LL_PFI_SMS;
+        break;
+
+      default:
+        /*
+         * It is possible when system support llc sapi 2 and 8.
+         * Fill PFI valuse it LL_PKT_FLOW_ID_NOT_PRES, until it is clarified in the specifications.
+         */
+        ll_unitdesc_req->pkt_flow_id = LL_PKT_FLOW_ID_NOT_PRES;
+        break;
+    }
+#endif /* REL99 */
+    /*
+     * In case of SAPI 7 (GSMS) all requests has to use the relclass LL_RLC_PROT.
+     */
+    if (ll_unitdesc_req->sapi EQ LL_SAPI_7)
+    {
+      ll_unitdesc_req->ll_qos.relclass = LL_RLC_PROT;
+    }
+
+    switch (GET_STATE(UITX))
+    {
+      case UITX_ADM_READY:
+        /*
+         * NOTE: uitx_build_ui_header expects desc_list3 to already contain data.
+         * The header is inserted _before_ the data, so desc_list3.o_buf is being 
+         * decremented.
+         */
+        uitx_build_ui_header
+          (
+#ifdef LL_DESC
+          &ll_unitdesc_req->desc_list3,
+#else
+          &ll_unitdesc_req->sdu,
+#endif
+          MS_COMMAND,
+          ll_unitdesc_req->sapi, 
+          llc_data->uitx->vu, 
+          cipher,
+          ll_unitdesc_req->ll_qos.relclass
+          );
+
+        used_nu = llc_data->uitx->vu;
+        used_oc = llc_data->sapi->oc_ui_tx;
+
+        llc_data->uitx->vu ++;
+
+        if (llc_data->uitx->vu > MAX_SEQUENCE_NUMBER)
+        {
+          llc_data->uitx->vu        = 0;
+          llc_data->sapi->oc_ui_tx += (MAX_SEQUENCE_NUMBER+1);
+        }
+
+        SET_STATE (UITX, UITX_ADM_NOT_READY);
+
+        if (ll_unitdesc_req->ll_qos.relclass EQ LL_RLC_PROT)
+        {
+          /*
+           * Label S_DATA
+           */
+          if (ll_unitdesc_req->sapi EQ LL_SAPI_1)
+          {
+            sig_uitx_tx_data_req (ll_unitdesc_req, cipher, GRLC_DTACS_MOBILITY_MANAGEMENT, used_nu, used_oc);
+          }
+          else
+          {
+            sig_uitx_tx_data_req (ll_unitdesc_req, cipher, GRLC_DTACS_DEF, used_nu, used_oc);
+          }
+        }
+        else /* LL_PROT/LL_NO_REL */
+        {
+          /*
+           * Label S_UNITDATA
+           */
+          sig_uitx_tx_unitdata_req (ll_unitdesc_req, cipher, used_nu, used_oc);
+        }
+        break;
+
+      case UITX_TLLI_UNASSIGNED_READY:
+        /*
+         * LLC is not capable of sending data in state TLLI_UNASSIGNED.
+         */
+#ifdef LL_DESC
+        llc_cl_desc3_free((T_desc3*)ll_unitdesc_req->desc_list3.first);
+#endif
+        PFREE (ll_unitdesc_req);
+
+        SET_STATE (UITX, UITX_TLLI_UNASSIGNED_NOT_READY);
+        break;
+
+      default:
+#ifdef LL_DESC
+        llc_cl_desc3_free((T_desc3*)ll_unitdesc_req->desc_list3.first);
+#endif   
+        PFREE (ll_unitdesc_req);
+
+        TRACE_ERROR( "ll_unitdesc_req unexpected" );
+        break;
+    }
+  }
+}/* uitx_ll_unitdesc_req */
+
+/*#endif*/ /* CF_FAST_EXEC || _SIMULATION_ */
+
+/*
++------------------------------------------------------------------------------
+| Function    : uitx_ll_unitdata_req
++------------------------------------------------------------------------------
+| Description : Handles the primitive LL_UNITDATA_REQ
+|
+| Parameters  : *ll_unitdata_req - Ptr to primitive payload
+|
++------------------------------------------------------------------------------
+*/
+#ifdef LL_DESC
+
+#ifndef CF_FAST_EXEC
+
+GLOBAL void uitx_ll_unitdata_req (T_LL_UNITDATA_REQ *ll_unitdata_req)
+{ 
+  T_desc3 *desc3 = NULL;
+  U16     len, offset;
+  U8      *buf;
+
+  TRACE_FUNCTION( "uitx_ll_unitdata_req" );
+
+  /*
+   * Allocate primitive and fill in the structure elements
+   */
+  {
+    PALLOC(ll_unitdesc_req, LL_UNITDESC_REQ);
+
+    ll_unitdesc_req->sapi             = ll_unitdata_req->sapi;       
+    ll_unitdesc_req->tlli             = ll_unitdata_req->tlli;       
+    ll_unitdesc_req->ll_qos           = ll_unitdata_req->ll_qos;     
+    ll_unitdesc_req->cipher           = ll_unitdata_req->cipher;     
+    ll_unitdesc_req->radio_prio       = ll_unitdata_req->radio_prio; 
+    ll_unitdesc_req->seg_pos          = ll_unitdata_req->seg_pos;    
+    ll_unitdesc_req->attached_counter = ll_unitdata_req->attached_counter;
+#ifdef REL99 
+    ll_unitdesc_req->pkt_flow_id = ll_unitdata_req->pkt_flow_id;
+#endif /* REL99 */
+    /*
+     * Allocate memory block for simulating desc2 (desc3->buffer) and set the values of the 
+     * desc3-elements.
+     */
+    len    = ll_unitdata_req->sdu.l_buf >> 3; /* BIT to BYTE */
+    offset = ll_unitdata_req->sdu.o_buf >> 3; /* BIT to BYTE */
+
+    desc3  = llc_palloc_desc(len, offset); /* Only one desc3 and buffer is allocated */
+    
+    buf= (U8*)desc3->buffer; 
+    
+    memcpy(&buf[desc3->offset], 
+           &ll_unitdata_req->sdu.buf[offset], 
+           len);
+    
+    ll_unitdesc_req->desc_list3.first       = (U32)desc3;
+    ll_unitdesc_req->desc_list3.list_len    = desc3->len;
+
+    
+    /*
+     * Primitive is handled in uitx_ll_unitdesc_req
+     */
+    uitx_ll_unitdesc_req (ll_unitdesc_req);
+  }
+  PFREE(ll_unitdata_req);
+
+} /* uitx_ll_unitdata_req() */
+
+#endif /* CF_FAST_EXEC */
+
+#endif /* LL_DESC */