freecalypso-citrine: g23m-gsm/rr/rr

comparison g23m-gsm/rr/rr_dats.c @ 0:75a11d740a02

initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7

author	Mychaela Falconia <falcon@freecalypso.org>
date	Thu, 09 Jun 2016 00:02:41 +0000
parents
children

comparison

equal deleted inserted replaced

--1:000000000000
+:75a11d740a02
+/*
++-----------------------------------------------------------------------------
+|  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 defines the functions for the data transfer
+|             capability of the module Radio Resource.
++-----------------------------------------------------------------------------
+*/
+#ifndef RR_DATS_C
+#define RR_DATS_C
+#include "config.h"
+#include "fixedconf.h"
+#include "condat-features.h"
+#define ENTITY_RR
+/*==== INCLUDES ===================================================*/
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>     /* offsetof */
+#include "typedefs.h"
+#include "pcm.h"
+#include "pconst.cdg"
+#include "mconst.cdg"
+#include "message.h"
+#include "ccdapi.h"
+#include "vsi.h"
+#include "custom.h"
+#include "gsm.h"
+#include "prim.h"
+#include "cnf_rr.h"
+#include "tok.h"
+#include "rr.h"
+#include "em.h"
+#include "rr_em.h"
+/*==== EXPORT =====================================================*/
+/*==== PRIVAT =====================================================*/
+#define TDMA_FRAMES_PER_HYPERFRAME  2715648
+#define QUARTER_BITS_PER_FRAME 5000
+/*==== VARIABLES ==================================================*/
+/*==== FUNCTIONS ==================================================*/
+LOCAL BOOL dat_for_handover_mob_alloc(UBYTE  *mob_alloc,
+T_LIST  *hop_list_handover,
+T_VOID_STRUCT  *mob_alloc_handover,
+T_DL_DATA_IND    *dl_data_ind);
+LOCAL void dat_cr_data_multirate_conf(U8 v_multirate_conf, T_multirate_conf  *multirate_conf);
+LOCAL void dat_dedicated_req_ch_type2(T_ch_type2 *ch_type2,  T_chan_desc_before  *chan_desc_before,
+T_LIST    *hop_list_before);
+/*
+* -------------------------------------------------------------------
+* SIGNAL Processing functions
+* -------------------------------------------------------------------
+*/
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_att_cell_selected      |
++--------------------------------------------------------------------+
+PURPOSE : Attachment process indicates that it has camped on a cell.
+Data transfer process changes the state and connections
+are possible.
+*/
+GLOBAL void dat_att_cell_selected (void)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("dat_att_cell_selected()");
+SET_STATE (STATE_DAT, DAT_IDLE);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_att_null               |
++--------------------------------------------------------------------+
+PURPOSE : Attachment process indicates loss of coverage and connections
+are not longer possible.
+*/
+GLOBAL void dat_att_null (void)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("dat_att_null()");
+SET_STATE (STATE_DAT, DAT_NULL);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_assign_cmd         |
++--------------------------------------------------------------------+
+PURPOSE : The function handles the reception of a channel
+assignment message.
+*/
+GLOBAL void dat_for_assign_cmd (T_DL_DATA_IND  *dl_data_ind,
+T_D_ASSIGN_CMD *assign_cmd,
+T_LIST         *hop_list_after,
+T_LIST         *hop_list_before,
+T_LIST         *cell_chan_desc)
+{
+GET_INSTANCE_DATA;
+UBYTE mob_alloc[65];
+PALLOC (dedicated_req, MPH_DEDICATED_REQ);
+TRACE_FUNCTION ("dat_for_assign_cmd()");
+switch (GET_STATE (STATE_DAT))
+{
+case DAT_DEDICATED:
+if (rr_data->ms_data.error.cs)
+{
+TRACE_EVENT_P1 ("RRC cause = %02x", rr_data->ms_data.error.cs);
+}
+/*
+* dynamic configuration command : IHO
+* Lock the DUT to the cell it is already camping -
+* Ignore the Channel Assignment command message and send an
+* Assignment failure message to the network.
+*/
+if(rr_data->dyn_config.iho AND (rr_data->sc_data.ch_mode EQ CM_AMR))
+{
+TRACE_EVENT("D_ASSIGN_CMD : IHO");
+for_set_content_error (RRC_CHANNEL_MODE);
+}
+switch (rr_data->ms_data.error.cs)
+{
+/* case RRC_INVALID_MAN_INFO: this value is currently never set */
+case RRC_COND_IE_ERROR: /* 0x64 */
+{
+/*
+* If an mandatory info element error or a
+* conditional info element error has been detected,
+* a RR STATUS message is returned on the existing
+* connection before l2 is suspended
+*/
+dat_send_rr_status_msg(rr_data->ms_data.error.cs);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+break ;
+}
+case RRC_INCORRECT_MSG: /* 0x5f */
+{
+/*
+* If a structurally correct message has been detected,
+* containing erroneous data, an Assignment Failure message
+* is sent back.
+*/
+/*
+* If the ASSIGNMENT COMMAND is erroneous, then the
+* ASSIGNMENT FAILURE command is sent via a priority
+* DL_RECONNECT_REQ. This ensures DL will halt processing
+* anything in its buffer until it has sent this message
+* onto the nw.
+*
+*/
+for_suspend_layer_2 ();
+dat_send_assign_fail_msg(rr_data->ms_data.error.val);
+RR_EM_SET_ASSIGN_FAIL_CAUSE(rr_data->ms_data.error.val);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+break;
+}
+default:
+/*
+* the initial check was successful and the
+* message is processed.
+*
+*/
+for_suspend_layer_2 ();
+/*
+* use data of the old cell if no new data
+* are inserted in the message
+*/
+rr_data->cr_data.ch_mode   = rr_data->sc_data.ch_mode;
+rr_data->cr_data.ciph_on   = rr_data->sc_data.ciph_on;
+rr_data->cr_data.algo      = rr_data->sc_data.algo;
+rr_data->cr_data.cd.v_cell_chan_desc =
+rr_data->sc_data.cd.v_cell_chan_desc;
+memcpy (&rr_data->cr_data.cd.cell_chan_desc,
+&rr_data->sc_data.cd.cell_chan_desc,
+sizeof (T_LIST));
+/*
+* if AMR is supported set the default values
+* to the current serving cell values.
+*/
+if(rr_data->sc_data.ch_mode EQ CM_AMR)
+{
+memcpy(&rr_data->cr_data.amr_conf,
+&rr_data->sc_data.amr_conf,
+sizeof (T_multirate_conf));
+}
+else {
+/*
+*  AMR is not supported, therefore set some dummy values. This is necessary because
+*  the later Layer1 configuration must include an AMR configuration!!
+*/
+memset(&rr_data->cr_data.amr_conf, 0, sizeof (T_multirate_conf));
+}
+if (assign_cmd->v_cell_chan_desc)
+{
+/*
+* If the message contains a cell channel description
+* use the new one.
+*/
+memcpy (&rr_data->cr_data.cd.cell_chan_desc,
+cell_chan_desc,
+sizeof (T_LIST));
+rr_data->cr_data.cd.v_cell_chan_desc = WITH_CHANGED_CONTENT;
+}
+if (assign_cmd->v_chan_mode)
+/*
+* if the message contains a channel mode, use the new one.
+*/
+rr_data->cr_data.ch_mode = assign_cmd->chan_mode;
+/*
+*  If AMR is signalled check if new multi-rate speech codec is part of the assignment cmd
+*  otherwise use default values set earlier.
+*/
+/* Implements RR Clone findings #9 */
+dat_cr_data_multirate_conf(assign_cmd->v_multirate_conf,&assign_cmd->multirate_conf);
+if (assign_cmd->v_ciph_mode_set)
+{
+/*
+* If ciphering is defined in the message, handle it.
+*/
+rr_data->cr_data.ciph_on = assign_cmd->ciph_mode_set.sc;
+rr_data->cr_data.algo    = assign_cmd->ciph_mode_set.algo_ident;
+if (rr_data->cr_data.ciph_on EQ CIPH_ON AND
+rr_data->sc_data.ciph_received EQ FALSE)
+{
+/*
+* if ciphering is not active, but set in the message
+* this is a failure and the configuration is aborted.
+* Instead the reconnection on the old channel is started.
+*/
+dat_send_assign_fail_msg(RRC_PROT_UNSPECIFIED);
+RR_EM_SET_ASSIGN_FAIL_CAUSE(RRC_PROT_UNSPECIFIED);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+return;
+}
+}
+if (assign_cmd->chan_desc.hop EQ 1 AND
+assign_cmd->v_mob_alloc_after)
+{
+if (rr_data->cr_data.cd.v_cell_chan_desc EQ NO_CONTENT)
+{
+/*
+* If the new channel needs hopping, but there is no
+* cell channel description available, the configuration
+* is aborted due to a conditional error.
+* Instead the reconnection on the old channel is started.
+*/
+dat_send_assign_fail_msg(RRC_NO_CELL_ALLOC);
+RR_EM_SET_ASSIGN_FAIL_CAUSE(RRC_NO_CELL_ALLOC);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+return;
+}
+/*
+* if the message contains a mobile allocation,
+* build a list of 1-bits from the bitmap.
+*/
+att_bits_to_byte (mob_alloc,
+assign_cmd->mob_alloc_after.c_mac,
+assign_cmd->mob_alloc_after.mac);
+/*
+* create a hopping list from mobile allocation and cell channel
+* description
+*/
+if(!srv_create_chan_mob_alloc (&rr_data->cr_data.cd.cell_chan_desc,
+hop_list_after,
+mob_alloc))
+{
+dat_send_assign_fail_msg(RRC_FREQ_NOT_IMPL);
+RR_EM_SET_ASSIGN_FAIL_CAUSE(RRC_FREQ_NOT_IMPL);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+return;
+}
+}
+/*
+* clean primitive to layer 1
+*/
+memset (dedicated_req, 0, sizeof (T_MPH_DEDICATED_REQ));
+dedicated_req->mod         = MODE_CHAN_ASSIGN;
+rr_data->cr_data.chan_desc = assign_cmd->chan_desc;
+/*
+* Set Channel Type
+*/
+dedicated_req->ch_type.ch    = assign_cmd->chan_desc.chan_type;
+dedicated_req->ch_type.tn    = assign_cmd->chan_desc.tn;
+dedicated_req->ch_type.tsc   = assign_cmd->chan_desc.tsc;
+dedicated_req->ch_type.h     = assign_cmd->chan_desc.hop;
+if (assign_cmd->chan_desc.hop EQ H_NO)
+{
+dedicated_req->ch_type.arfcn = assign_cmd->chan_desc.arfcn;
+}
+else
+{
+dedicated_req->ch_type.maio  = assign_cmd->chan_desc.maio;
+dedicated_req->ch_type.hsn   = assign_cmd->chan_desc.hsn;
+/* CSI-LLD section:4.1.1.11
+* This function Updates the black list with the MA list received
+* inthe assignment command
+*/
+cs_remove_BA_MA_from_black_list(rr_data->cs_data.region,hop_list_after);
+srv_create_list (hop_list_after, dedicated_req->ch_type.ma,
+MAX_MA_CHANNELS, TRUE, 0);
+}
+/*
+* set initial power
+*/
+dedicated_req->tr_para.power = assign_cmd->pow_cmd.pow;
+/*
+* set starting time if available.
+*/
+if (assign_cmd->v_start_time)
+{
+dedicated_req->start.v_start = TRUE;
+dedicated_req->start.t1      = assign_cmd->start_time.t1;
+dedicated_req->start.t2      = assign_cmd->start_time.t2;
+dedicated_req->start.t3      = assign_cmd->start_time.t3;
+}
+/*
+* Setting of before starting time elements !
+*/
+if (assign_cmd->v_chan_desc_before EQ FALSE)
+dedicated_req->ch_type2.ch = NOT_PRESENT_8BIT;
+else
+{
+if (assign_cmd->v_mob_alloc_before)
+{
+att_bits_to_byte (mob_alloc,
+assign_cmd->mob_alloc_before.c_mac,
+assign_cmd->mob_alloc_before.mac);
+if(!srv_create_chan_mob_alloc (&rr_data->cr_data.cd.cell_chan_desc,
+hop_list_before,
+mob_alloc))
+{
+dat_send_assign_fail_msg(RRC_FREQ_NOT_IMPL);
+RR_EM_SET_ASSIGN_FAIL_CAUSE( RRC_FREQ_NOT_IMPL);
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+return;
+}
+}
+dat_dedicated_req_ch_type2(&dedicated_req->ch_type2, &assign_cmd->chan_desc_before,
+hop_list_before );
+}
+/*
+* set dtx depending on the channel type (halfrate or  fullrate)
+*/
+if (dedicated_req->ch_type.ch EQ 2 OR
+dedicated_req->ch_type.ch EQ 3)
+dedicated_req->tr_para.dtx =
+rr_data->sc_data.cd.dtx = rr_data->sc_data.cd.dtx_half;
+else
+dedicated_req->tr_para.dtx =
+rr_data->sc_data.cd.dtx = rr_data->sc_data.cd.dtx_full;
+dedicated_req->arfcn        = rr_data->nc_data[SC_INDEX].arfcn;
+dedicated_req->tr_para.rlt  = rr_data->sc_data.cd.cell_options.rlt;
+dedicated_req->tr_para.pwrc = rr_data->sc_data.cd.cell_options.pow_ctrl;
+dedicated_req->tr_para.mode = rr_data->cr_data.ch_mode;
+/*
+* Set multi-rate speech codec
+*/
+dedicated_req->amr_conf.nscb     = rr_data->cr_data.amr_conf.nscb;
+dedicated_req->amr_conf.icmi     = rr_data->cr_data.amr_conf.icmi;
+dedicated_req->amr_conf.st_mode  = rr_data->cr_data.amr_conf.st_mode;
+dedicated_req->amr_conf.acs      = rr_data->cr_data.amr_conf.set_amr;
+/*
+*  valid flag for the threshold and hystersis values. amr_conf.c_cod_prop
+*  defines the number of threshold and hystersis values.
+*/
+dedicated_req->amr_conf.v_cod_prop  = rr_data->cr_data.amr_conf.v_cod_prop;
+if(dedicated_req->amr_conf.v_cod_prop)
+{
+int i;
+dedicated_req->amr_conf.c_cod_prop = rr_data->cr_data.amr_conf.c_cod_prop;
+for(i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+memcpy(&dedicated_req->amr_conf.cod_prop[i],
+&rr_data->cr_data.amr_conf.cod_prop[i],
+sizeof(T_cod_prop));
+}
+if (rr_data->cr_data.ciph_on)
+{
+/*
+* set cipher parameter if available.
+*/
+dedicated_req->ciph.stat     = rr_data->cr_data.ciph_on;
+dedicated_req->ciph.algo     = rr_data->cr_data.algo;
+memcpy (dedicated_req->ciph.kc, rr_data->ms_data.kc, KC_STRING_SIZE);
+}
+RR_EM_GET_HOPPING_CHANNEL (dedicated_req->ch_type.ma, dedicated_req->ch_type2.ma,
+dedicated_req->start.v_start,dedicated_req->ch_type2.maio);
+EM_ASSIGNMENT_RECEIVED;
+/*
+* configure layer 1
+*/
+SET_STATE (STATE_DAT, DAT_CHAN_ASS);
+PSENDX (PL, dedicated_req);
+PFREE (dl_data_ind);
+return;
+}
+break;
+default:
+PFREE (dedicated_req);
+PFREE (dl_data_ind);
+break;
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_chan_mod           |
++--------------------------------------------------------------------+
+PURPOSE : The function handles a received channel mode modify message.
+*/
+GLOBAL void dat_for_chan_mod (T_DL_DATA_IND *dl_data_ind,
+T_D_CHAN_MOD *chan_mod)
+{
+GET_INSTANCE_DATA;
+MCAST (chan_mod_ack, U_CHAN_MOD_ACK);
+TRACE_FUNCTION ("dat_for_chan_mod()");
+if (rr_data->ms_data.error.cs EQ 0)
+{
+/*
+* the check in the formatter indicates no problems
+* store new channel mode.
+*/
+rr_data->sc_data.ch_mode = chan_mod->chan_mode;
+/*
+* the channel mode modify message contains a multi-rate configuration IEI
+*/
+if( chan_mod->v_multirate_conf AND (chan_mod->chan_mode EQ CM_AMR) )
+{
+int i;
+rr_data->sc_data.amr_conf.mr_vers = chan_mod->multirate_conf.mr_vers;
+rr_data->sc_data.amr_conf.nscb    = chan_mod->multirate_conf.nscb;
+rr_data->sc_data.amr_conf.icmi    = chan_mod->multirate_conf.icmi;
+rr_data->sc_data.amr_conf.st_mode = chan_mod->multirate_conf.st_mode;
+rr_data->sc_data.amr_conf.set_amr = chan_mod->multirate_conf.set_amr;
+rr_data->sc_data.amr_conf.v_cod_prop = chan_mod->multirate_conf.v_cod_prop;
+if(rr_data->sc_data.amr_conf.v_cod_prop)
+{
+rr_data->sc_data.amr_conf.c_cod_prop   = chan_mod->multirate_conf.c_cod_prop;
+for (i=0; i< rr_data->sc_data.amr_conf.c_cod_prop; i++)
+memcpy(&rr_data->sc_data.amr_conf.cod_prop[i], &chan_mod->multirate_conf.cod_prop[i], sizeof(T_cod_prop));
+}
+}
+/*
+* configure layer 1
+*/
+dat_code_mph_chan_mode_req (chan_mod);
+EM_CHANNEL_MODE_MODIFY;
+/*
+* indicate new channel mode to MM
+*/
+dat_code_channel_mode_to_mm ();
+}
+{
+/*
+* build the answer to the network
+* (channel mode modify acknowledge message)
+*/
+PALLOC_MSG (dl_data_req, DL_DATA_REQ, U_CHAN_MOD_ACK);
+/*
+* set channel type and SAPI
+*/
+dat_code_prr_channel (&dl_data_req->ch_type,
+&dl_data_req->sapi,
+rr_data->sc_data.chan_desc.chan_type);
+chan_mod_ack->msg_type = U_CHAN_MOD_ACK;
+memcpy (&chan_mod_ack->chan_desc,
+&rr_data->sc_data.chan_desc,
+sizeof (T_chan_desc));
+/*
+* set the current channel mode. if the new
+* channel mode is supported by the MS, the new
+* one is returned, else it is the previous one
+* and layer 1 was not re-configured.
+*/
+chan_mod_ack->chan_mode = rr_data->sc_data.ch_mode;
+for_dat_data_req (dl_data_req);
+EM_CHANNEL_MODE_MODIFY_ACK;
+}
+PFREE(dl_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_chan_rel           |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a channel release message.
+*/
+GLOBAL void dat_for_chan_rel (T_DL_DATA_IND *dl_data_ind,
+T_D_CHAN_REL *chan_rel)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("dat_for_chan_rel()");
+if (GET_STATE (STATE_DAT) NEQ DAT_NULL)
+{
+/*
+* disconnect layer 2 link
+*/
+dat_disconnect_link (CAUSE_MAKE (DEFBY_STD,
+ORIGSIDE_NET,
+RR_ORIGINATING_ENTITY,
+chan_rel->rr_cause));
+#ifdef GPRS
+if (chan_rel->v_gprs_resum)
+{
+rr_data->gprs_data.gprs_resump  = chan_rel->gprs_resum.res_ack;
+}
+/*
+o if the element is not available but we have send a susp_req
+a resumption failure has occured (gprs_resump was already set
+on tx of the suspension request)
+o if the element is not present and we have not send a suspension
+request there is no resumption failure.
+o For Ericsson we have to do a RAU after every CS call even if the
+call started on a GSM-only cell and we did not send a suspension request     */
+else
+if(att_gprs_is_avail())
+rr_data->gprs_data.gprs_resump = GPRS_RESUMPTION_NOT_ACK;
+#endif
+if (chan_rel->v_ba_range)
+{
+/*
+*  convert RR_BA_RANGE to BCCH-LIST and
+*  send it with RR SYNC IND to MM
+*/
+dat_code_prr_bcch_info (chan_rel->v_ba_range,
+&chan_rel->ba_range);
+}
+EM_CHANNEL_RELEASE;
+}
+PFREE (dl_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_class_enq          |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a classmark enquiry message.
+*/
+#ifdef REL99
+GLOBAL void dat_for_class_enq (T_DL_DATA_IND *dl_data_ind,
+T_D_CLASS_ENQ *class_enq)
+#else
+GLOBAL void dat_for_class_enq (T_DL_DATA_IND *dl_data_ind)
+#endif
+{
+TRACE_FUNCTION ("dat_for_class_enq()");
+if (dat_check_error_flag (SEND_RR_STATUS))
+{
+/*
+* The syntax check indicates no problems, then
+* process the message.
+*
+* The MS returns a classmark change message.
+*/
+/* Implements RR Clone findings #15 */
+#ifdef REL99
+/*Perform checks on classmark enquiry mask IE, if present*/
+if ((class_enq->v_class_enq_mask EQ FALSE) OR
+((class_enq->v_class_enq_mask EQ TRUE) AND
+(class_enq->class_enq_mask.class_req EQ CLASS_CHANGE_REQ) )  )
+#endif
+dat_class_chng_data_req();
+}
+EM_CLASSMARK_ENQUIRY;
+PFREE (dl_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : send_mph_tch_loop_req      |
++--------------------------------------------------------------------+
+PURPOSE : Send the L1 primitive for close TCH loop.
+*/
+static void send_mph_tch_loop_req(T_DL_DATA_IND * dl_data_ind,
+UBYTE           loop_command)
+{
+/*
+* configure layer 1
+*/
+PREUSE (dl_data_ind, loop_req, MPH_TCH_LOOP_REQ);/* T_MPH_TCH_LOOP_REQ */
+loop_req->tch_loop = loop_command;
+PSENDX (PL, loop_req);
+}
+/*
++-----------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                        |
+| STATE   : code                ROUTINE : send_close_tch_loop_ack_to_nw |
++-----------------------------------------------------------------------+
+PURPOSE : Send the CLOSE TCH LOOP ACK message to the network.
+*/
+static void send_close_tch_loop_ack_to_nw(void)
+{
+GET_INSTANCE_DATA;
+/*
+* if the TCH loop is open and a TCH is assigned
+*/
+PALLOC_SDU (data_req, DL_DATA_REQ, 2*BITS_PER_BYTE);
+/*
+* set channel type and sapi for the response to the network
+*/
+dat_code_prr_channel (&data_req->ch_type,
+&data_req->sapi,
+rr_data->sc_data.chan_desc.chan_type);
+/*
+* code the message without CCD
+*/
+data_req->sdu.l_buf = 16;
+data_req->sdu.o_buf = ENCODE_OFFSET;
+data_req->sdu.buf [0] = 0;
+/*lint -e415 -e416 Likely access of out-of-bounds pointer*/
+data_req->sdu.buf [1] = 0;
+data_req->sdu.buf [2] = 0;
+data_req->sdu.buf [3] = 0x0F;   /* TI=0, PD = TST     */
+data_req->sdu.buf [4] = 0x01;   /* MT = Close TCH Ack */
+/*lint +e415 +e416 Likely access of out-of-bounds pointer*/
+TRACE_EVENT ("DL_DATA_REQ (RR message)");
+EM_TCH_LOOP_CLOSED;
+PSENDX (DL, data_req);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_close_loop_cmd     |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a TCH Close Loop Command message.
+*/
+static const UBYTE LOOP_TYPE [32] =
+{              /* C B A Z Y               */
+0x00,        /* 0 0 0 0 0  -> Type A    */
+0x01,        /* 0 0 0 0 1  -> Type B    */
+0x02,        /* 0 0 0 1 0  -> Type C    */
+0x02,        /* 0 0 0 1 1  -> Type C    */
+0x03,        /* 0 0 1 0 0  -> Type D    */
+0x03,        /* 0 0 1 0 1  -> Type D    */
+0x03,        /* 0 0 1 1 0  -> Type D    */
+0x03,        /* 0 0 1 1 1  -> Type D    */
+0x04,        /* 0 1 0 0 0  -> Type E    */
+0x04,        /* 0 1 0 0 1  -> Type E    */
+0x04,        /* 0 1 0 1 0  -> Type E    */
+0x04,        /* 0 1 0 1 1  -> Type E    */
+0x05,        /* 0 1 1 0 0  -> Type F    */
+0x05,        /* 0 1 1 0 1  -> Type F    */
+0x05,        /* 0 1 1 1 0  -> Type F    */
+0x05,        /* 0 1 1 1 1  -> Type F    */
+0xFF,        /* 1 0 0 0 0  -> Not valid */
+0xFF,        /* 1 0 0 0 1  -> Not valid */
+0xFF,        /* 1 0 0 1 0  -> Not valid */
+0xFF,        /* 1 0 0 1 1  -> Not valid */
+0xFF,        /* 1 0 1 0 0  -> Not valid */
+0xFF,        /* 1 0 1 0 1  -> Not valid */
+0xFF,        /* 1 0 1 1 0  -> Not valid */
+0xFF,        /* 1 0 1 1 1  -> Not valid */
+0xFF,        /* 1 1 0 0 0  -> Not valid */
+0xFF,        /* 1 1 0 0 1  -> Not valid */
+0xFF,        /* 1 1 0 1 0  -> Not valid */
+0xFF,        /* 1 1 0 1 1  -> Not valid */
+0x06,        /* 1 1 1 0 0  -> Type I    */
+0x06,        /* 1 1 1 0 1  -> Type I    */
+0x06,        /* 1 1 1 1 0  -> Type I    */
+0x06         /* 1 1 1 1 1  -> Type I    */
+};
+GLOBAL void dat_for_close_loop_cmd (T_DL_DATA_IND * dl_data_ind,
+UBYTE           subchannel)
+{
+GET_INSTANCE_DATA;
+UBYTE loop_command = NOT_PRESENT_8BIT;
+TRACE_FUNCTION ("dat_for_close_loop_cmd()");
+if (dat_test_sim_available () OR !dat_check_sim_available () )
+{
+/*
+* only if a test SIM card is inserted
+*/
+if ((rr_data->tch_loop_subch EQ NOT_PRESENT_8BIT) AND
+rr_data->sc_data.chan_desc.chan_type < CH_SDCCH_4_0)
+{
+switch ((loop_command = LOOP_TYPE [(subchannel>>1) & 0x1F]))
+{
+case TCH_LOOP_C:         /* Loop C */
+/* first send ACK msg, then activate L1  */
+send_close_tch_loop_ack_to_nw();
+/*
+* Delay to allow L1/HW to switch
+*/
+vsi_t_sleep (VSI_CALLER DELAY_CLOSE_TCH_LOOP_ACK);
+send_mph_tch_loop_req(dl_data_ind, loop_command);
+/* will be needed when TCH Open Loop Command will be received */
+rr_data->tch_loop_subch = loop_command;
+break;
+case TCH_LOOP_I:         /* Loop I */
+if (rr_data->sc_data.ch_mode NEQ CM_AMR)
+{
+PFREE (dl_data_ind);
+break;
+}
+case TCH_LOOP_A:
+case TCH_LOOP_B:
+case TCH_LOOP_D:
+case TCH_LOOP_E:
+case TCH_LOOP_F:
+/* Loop A, B, D, E, F, I */
+send_mph_tch_loop_req(dl_data_ind, loop_command);
+/*
+* Delay to allow L1/HW to switch
+*/
+vsi_t_sleep (VSI_CALLER DELAY_CLOSE_TCH_LOOP_ACK);
+send_close_tch_loop_ack_to_nw();
+/* will be needed when TCH Open Loop Command will be received */
+rr_data->tch_loop_subch = loop_command;
+break;
+default :
+TRACE_EVENT_P1("TCH_LOOP_CLOSE_CMD : wrong subchannel (%x)", subchannel);
+PFREE (dl_data_ind);
+break;
+}
+}
+else
+{
+PFREE (dl_data_ind);
+}
+}
+else
+{
+PFREE (dl_data_ind);
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_test_interface     |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a Test-Interface message.
+*/
+GLOBAL void dat_for_test_interface (T_DL_DATA_IND * dl_data_ind,
+UBYTE           tested_device)
+{
+TRACE_FUNCTION ("dat_for_test_interface()");
+if (dat_test_sim_available ())
+{
+/*
+* Only if a test SIM card is inserted
+*
+* then configure layer 1
+*/
+PREUSE (dl_data_ind, dai_req, MPH_DAI_REQ); /* T_MPH_DAI_REQ */
+dai_req->device = tested_device;
+EM_TEST_INTERFACE;
+PSENDX (PL, dai_req);
+}
+else
+{
+/*
+* else ignore the message
+*/
+PFREE (dl_data_ind);
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_ciph_cmd           |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a cipher mode command message.
+*/
+GLOBAL void dat_for_ciph_cmd (T_DL_DATA_IND *dl_data_ind,
+T_D_CIPH_CMD *ciph_cmd)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("dat_for_cyph_cmd()");
+if (dat_check_error_flag (SEND_RR_STATUS))
+{
+/*
+* the check in the formatter was successful
+*/
+if (
+((rr_data->sc_data.ciph_on EQ CIPH_ON) AND
+(ciph_cmd->ciph_mode_set.sc EQ START_CIPH_YES))
+OR
+((ciph_cmd->ciph_mode_set.sc EQ START_CIPH_YES) AND
+(rr_data->dyn_config.nkc EQ 0 AND rr_data->ms_data.cksn > 6))
+)
+{
+/*
+* Respond with RR Status in 2 cases
+*
+* 1: if NW re-enables ciphering
+* 2: if network has enabled ciphering "and" no valid ciphering key
+*     is available (and user specific handling of cksn is
+*     disabled (nck==0)).
+*     If network has not enabled ciphering, then ciphering key
+*     value is not checked
+*/
+dat_send_rr_status_msg(RRC_PROT_UNSPECIFIED);
+}
+else
+{
+MCAST (ciph_comp, U_CIPH_COMP);
+PALLOC_MSG (dl_data_req, DL_DATA_REQ, U_CIPH_COMP);
+/*
+* set channel type and SAPI for response to the network
+*/
+dat_code_prr_channel (&dl_data_req->ch_type,
+&dl_data_req->sapi,
+rr_data->sc_data.chan_desc.chan_type);
+/*
+* store cipher parameter
+*/
+rr_data->sc_data.ciph_on = ciph_cmd->ciph_mode_set.sc;
+rr_data->sc_data.algo    = ciph_cmd->ciph_mode_set.algo_ident;
+rr_data->sc_data.ciph_received = TRUE;
+memcpy (rr_data->ms_data.kc, rr_data->ms_data.new_kc, KC_STRING_SIZE);
+/*
+* configure layer 1
+*/
+if ( rr_data->ms_data.cksn <= 6 )
+{
+dat_code_mph_ciphering_req (rr_data->sc_data.ciph_on,
+rr_data->sc_data.algo,
+rr_data->ms_data.kc);
+}
+else
+{
+dat_code_mph_ciphering_req (CIPH_OFF, 0, NULL);
+}
+if (ciph_cmd->ciph_res.cr EQ INC_IMEISV_YES)
+{
+/*
+* if the response shall contain the IMEI, fill it in.
+*/
+ciph_comp->v_mob_ident    = TRUE;
+memcpy (&ciph_comp->mob_ident, &rr_data->ms_data.imei,
+sizeof (T_mob_ident));
+}
+else
+{
+ciph_comp->v_mob_ident = FALSE;
+}
+ciph_comp->msg_type = U_CIPH_COMP;
+/*
+* send response to the network
+*/
+for_dat_data_req (dl_data_req);
+/*
+* Indicate changed ciphering mode to MM.
+* Any supression of ciphering information to MMI/ACI will
+* be done by the upper layers.
+*/
+dat_code_ciphering_to_mm (rr_data->sc_data.ciph_on);
+EM_CIPHERING_CMD;
+}
+}
+PFREE (dl_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_freq_redef         |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a frequency redefinition message.
+*/
+GLOBAL void dat_for_freq_redef (T_DL_DATA_IND  *dl_data_ind,
+T_D_FREQ_REDEF *freq_redef,
+T_LIST         *cell_chan_desc)
+{
+GET_INSTANCE_DATA;
+T_start  start;
+T_LIST   hop_list;
+UBYTE    mob_alloc[65];
+TRACE_FUNCTION ("dat_for_freq_redef()");
+if (dat_check_error_flag (SEND_RR_STATUS))
+{
+/*
+* the check in the formatter has passed
+*/
+memcpy (&rr_data->sc_data.chan_desc,
+&freq_redef->chan_desc,
+sizeof (T_chan_desc));
+/*
+* convert the mobile allocation from the message format
+* to a list of 1-bit positions to build the hopping list.
+*/
+att_bits_to_byte (mob_alloc,
+freq_redef->mob_alloc.c_mac,
+freq_redef->mob_alloc.mac);
+dat_set_last_used_channel (&rr_data->sc_data.chan_desc);
+if (freq_redef->v_cell_chan_desc)
+{
+/*
+* if the message contains a new cell channel description
+* copy the new one, else use the old one.
+*/
+srv_copy_list (&rr_data->sc_data.cd.cell_chan_desc,
+cell_chan_desc,
+sizeof (T_LIST));
+rr_data->sc_data.cd.v_cell_chan_desc = WITH_CONTENT;
+}
+if (rr_data->sc_data.cd.v_cell_chan_desc NEQ NO_CONTENT)
+{
+/*
+* create the hopping list from cell channel description and
+* mobile allocation.
+*/
+if(! srv_create_chan_mob_alloc (&rr_data->sc_data.cd.cell_chan_desc,
+&hop_list,
+mob_alloc))
+{
+U32 st = 51*((26 + freq_redef->start_time.t3 - freq_redef->start_time.t2 )%26)
++ freq_redef->start_time.t3 + 1326*freq_redef->start_time.t1;
+U32 ct = dl_data_ind->fn%STARTING_TIME_INTERVAL;
+#if defined(_SIMULATION_)
+TRACE_EVENT_WIN_P5 ("D_FREQ_REDEF: t1=%u t2=%u t3=%u, st=%u, ct=%u",
+freq_redef->start_time.t1, freq_redef->start_time.t2,
+freq_redef->start_time.t3, st, ct);
+TRACE_EVENT_WIN_P2 ("D_FREQ_REDEF: (st-ct) %u <= %u ?",
+((STARTING_TIME_INTERVAL + st - ct)%STARTING_TIME_INTERVAL), STARTING_TIME_INTERVAL1);
+#endif
+if(((STARTING_TIME_INTERVAL + st - ct)%STARTING_TIME_INTERVAL) <= STARTING_TIME_INTERVAL1)
+{
+/*XXX this should only be done if the starting time has not yet expired */
+dat_send_rr_status_msg(RRC_FREQ_NOT_IMPL);
+}
+else
+{
+/*
+* 3GPP TS 04.18, section 3.4.5.1
+* Frequency redefinition procedure, abnormal cases:
+* If the mobile station receives a FREQUENCY REDEFINITION message
+* with a Mobile Allocation IE indexing frequencies that are not all
+* in one band and a Starting Time IE indicating a time that has
+* elapsed, then the mobile station shall locally abort the radio
+* connection and, if permitted, attempt Call Re-establishment.
+*
+* Inform MM about a radio link failure and start cell reselection.
+* It would be possible to create a new cause but RLF does exactly
+* what is needed and this is really 'some kind of' RLF.
+*/
+rr_data->net_lost = TRUE;
+att_code_rr_abort_ind (RRCS_ABORT_RAD_LNK_FAIL);
+att_stop_dedicated();
+}
+}
+else
+{
+/*
+* copy start time for the new hopping list
+*/
+start.v_start = TRUE;
+start.t1      = freq_redef->start_time.t1;
+start.t2      = freq_redef->start_time.t2;
+start.t3      = freq_redef->start_time.t3;
+/*
+* configure layer 1 with the new hopping list
+*/
+dat_code_mph_freq_redef_req (&start,
+&hop_list);
+}
+}
+}
+PFREE (dl_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_handov_cmd         |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a handover command message.
+*/
+GLOBAL void dat_for_handov_cmd (T_DL_DATA_IND  *dl_data_ind,
+T_D_HANDOV_CMD *handov_cmd,
+T_LIST         *cell_chan_desc,
+T_LIST         *hop_list_after,
+T_LIST         *hop_list_before)
+{
+GET_INSTANCE_DATA;
+UBYTE                  mob_alloc [65];
+TRACE_FUNCTION ("dat_for_handov_cmd()");
+rr_data->dyn_config.fho               = 0;
+/*
+* dynamic configuration command : IHO
+* Lock the DUT to the cell it is already camping -
+* Ignore the Handover command message and send an
+* Handover failure message to the network.
+*/
+if(rr_data->dyn_config.iho AND (rr_data->sc_data.ch_mode EQ CM_AMR))
+{
+TRACE_EVENT("D_HANDOV_CMD : IHO");
+for_set_content_error (RRC_CHANNEL_MODE);
+}
+switch (rr_data->ms_data.error.cs)
+{
+/*
+* in case of mandatory info element error,
+* the message is returned immediately.
+*/
+/* case RRC_INVALID_MAN_INFO: this value is currently never set */
+case RRC_COND_IE_ERROR:
+{
+/*
+* build a RR status message.
+*/
+dat_send_rr_status_msg(rr_data->ms_data.error.cs);
+PFREE (dl_data_ind);
+break;
+}
+case RRC_INCORRECT_MSG:
+{
+/*
+* If a structurally correct message has been detected,
+* containing erroneous data, an Assignment Failure message
+* is sent back.
+*/
+/*
+* Even though it's not possible to go onto the new channel
+* we still need to suspend the current link and send the
+* HANDOVER FAILURE command via a priority DL_RECONNECT_REQ.
+* This ensures DL will halt processing anything in its
+* buffer until it has sent this message onto the nw
+*/
+for_suspend_layer_2 ();
+dat_send_handov_fail_msg(rr_data->ms_data.error.val);
+RR_EM_SET_HANDOVER_FAIL_CAUSE(rr_data->ms_data.error.val);
+PFREE (dl_data_ind);
+break;
+}
+default:
+/*
+* the message check has passed.
+* first of all suspend current layer 2 link
+*/
+TRACE_EVENT_P1 ("HO:default (%02x)", rr_data->ms_data.error.cs);
+for_suspend_layer_2 ();
+/*
+* set for the optional information elements
+* of the handover message the default value
+* to the current serving cell value.
+*/
+rr_data->cr_data.ch_mode   = rr_data->sc_data.ch_mode;
+rr_data->cr_data.ciph_on   = rr_data->sc_data.ciph_on;
+rr_data->cr_data.algo      = rr_data->sc_data.algo;
+rr_data->cr_data.cd.v_cell_chan_desc =
+rr_data->sc_data.cd.v_cell_chan_desc;
+memcpy (&rr_data->cr_data.cd.cell_chan_desc,
+&rr_data->sc_data.cd.cell_chan_desc,
+sizeof (T_LIST));
+/*
+* if AMR is supported set the default values
+* to the current serving cell values.
+*/
+if(rr_data->sc_data.ch_mode EQ CM_AMR)
+{
+memcpy(&rr_data->cr_data.amr_conf,
+&rr_data->sc_data.amr_conf,
+sizeof (T_multirate_conf));
+}
+else {
+/*
+*  AMR is not supported, therefore set some dummy values. This is necessary because
+*  the later Layer1 configuration must include an AMR configuration!!
+*/
+memset(&rr_data->cr_data.amr_conf, 0, sizeof (T_multirate_conf));
+}
+/*
+* set BSIC, BCCH channel number and channel description from
+* the handover command.
+*/
+rr_data->nc_data[CR_INDEX].bsic    = (handov_cmd->cell_desc.ncc << 3) +
+handov_cmd->cell_desc.bcc;
+rr_data->nc_data[CR_INDEX].arfcn   =  handov_cmd->cell_desc.bcch_arfcn_lo +
+(handov_cmd->cell_desc.bcch_arfcn_hi << 8);
+memcpy (&rr_data->cr_data.chan_desc,
+&handov_cmd->chan_desc_after,
+sizeof (T_chan_desc));
+if (handov_cmd->v_synch_ind)
+{
+/*
+* store the Handover synchronisation information if available.
+*/
+memcpy (&rr_data->ms_data.ho_type, &handov_cmd->synch_ind,
+sizeof (T_synch_ind));
+}
+else
+{
+/*
+* else set the values to the default values.
+*/
+rr_data->ms_data.ho_type.rot = TIME_DIFF_NO;
+rr_data->ms_data.ho_type.nci = TRUE;
+rr_data->ms_data.ho_type.si  = SYI_NON_SYNCH;
+}
+if (rr_data->ms_data.ho_type.si EQ SYI_PSEUDO_SYNCH AND
+! rr_data->ms_data.classmark2.ps)
+{
+/*
+* if the handover requests a pseudo synchronized handover
+* and the mobile does not support this, a handover failure
+* message is send and the procedure is aborted with
+* reconnection to the old channel.
+*/
+dat_send_handov_fail_msg(RRC_INCORRECT_MSG);
+RR_EM_SET_HANDOVER_FAIL_CAUSE(RRC_INCORRECT_MSG);
+PFREE (dl_data_ind);
+return;
+}
+else
+{
+if (handov_cmd->v_cell_chan_desc)
+{
+/*
+* if the handover command contains a new cell channel description
+* copy the new list.
+*/
+srv_copy_list (&rr_data->cr_data.cd.cell_chan_desc,
+cell_chan_desc,
+sizeof (T_LIST));
+rr_data->cr_data.cd.v_cell_chan_desc    = WITH_CHANGED_CONTENT;
+}
+if (handov_cmd->v_chan_mode)
+{
+/*
+* store a new channel mode if available.
+*/
+rr_data->cr_data.ch_mode = handov_cmd->chan_mode;
+}
+/*
+*  If AMR is signalled check if new multi-rate speech codec is part of the handover cmd
+*  otherwise use default values set earlier. If AMR is not signalled use the dummy values
+*  instead either set earlier.
+*/
+/* Implements RR Clone findings #9 */
+dat_cr_data_multirate_conf(handov_cmd->v_multirate_conf, &handov_cmd->multirate_conf);
+if (handov_cmd->v_ciph_mode_set)
+{
+/*
+* if the message contains cipher mode parameter
+* copy the parameters
+*/
+rr_data->cr_data.ciph_on = handov_cmd->ciph_mode_set.sc;
+rr_data->cr_data.algo    = handov_cmd->ciph_mode_set.algo_ident;
+/*
+* if ciphering is already enabled and the handover command
+* requests ciphering again, the procedure is aborted with
+* a handover failure message.
+*/
+if (rr_data->cr_data.ciph_on EQ CIPH_ON AND
+rr_data->sc_data.ciph_received EQ FALSE)
+{
+dat_send_handov_fail_msg(RRC_PROT_UNSPECIFIED);
+RR_EM_SET_HANDOVER_FAIL_CAUSE(RRC_PROT_UNSPECIFIED);
+PFREE (dl_data_ind);
+return;
+}
+}
+if(handov_cmd->v_mob_alloc_after)
+{
+if(dat_for_handover_mob_alloc(mob_alloc, hop_list_after, (T_VOID_STRUCT *) &handov_cmd->mob_alloc_after,dl_data_ind))
+return;
+}
+if(handov_cmd->v_mob_alloc_before)
+{
+if(dat_for_handover_mob_alloc(mob_alloc, hop_list_before, (T_VOID_STRUCT *) &handov_cmd->mob_alloc_before,dl_data_ind))
+return;
+}
+/*
+* Handover resets a SAPI 3 connection for SMS
+*/
+SET_STATE (STATE_SAPI_3, SMS_IDLE);
+PFREE (dl_data_ind);
+{
+/*
+* All Parameters are checked
+* Now the handover is started
+*/
+PALLOC (dedicated_req, MPH_DEDICATED_REQ);
+memset (dedicated_req, 0, sizeof (T_MPH_DEDICATED_REQ));
+if (handov_cmd->v_start_time)
+{
+/*
+* copy starting time if available.
+*/
+dedicated_req->start.v_start = TRUE;
+dedicated_req->start.t1      = handov_cmd->start_time.t1;
+dedicated_req->start.t2      = handov_cmd->start_time.t2;
+dedicated_req->start.t3      = handov_cmd->start_time.t3;
+}
+/*
+* Calculate observed time difference
+*/
+{
+UBYTE i1;
+ULONG fn_offset;
+rr_data->sc_data.observed_ta = 0;
+for (i1 = 0; i1< rr_data->ms_data.measurement_report.ncells.no_of_ncells; i1++)
+{
+/*
+* find the handover cell inn the neighbourcells of the last measurement report
+*/
+if (rr_data->nc_data[CR_INDEX].arfcn EQ
+rr_data->ms_data.measurement_report.ncells.arfcn[i1])
+{
+/*
+* According to 05.10 OTD is defined as the timing difference
+* between BTS0 and BTS1 ( system time in BTS 0 minus that of
+* BTS 1..), with BTS1 as the new cell (neighbour cell, HO
+* Target cell) and BTS0 and the current cell (serving cell)
+*/
+fn_offset = (HYPERFRAME -
+rr_data->ms_data.measurement_report.ncells.frame_offset[i1])
+% HYPERFRAME;
+/*
+* calculate the observed time difference from the relative
+* time difference of neighbourcell and serving cell
+* (given by time_alignment and frame offset) and the observed
+* time difference of the serving cell (coming from timing
+		 * advance in layer 1 header of the downlink SACCH messages).
+*/
+/*
+* A.1.3 of   3GPP TS 05.10
+* after successful handover, either synchronized,
+* non-synchronized or pseudo-synchronized, the MS shall
+		  * provide to BTS 1 the value of OTD + t0 in the
+		  * "HANDOVER COMPLETE" message.
+*
+* NOTE : measurement_report.otd is the TA sent by the
+* network in downlink SACCH.  TA is roundtrip propogation
+		  * delay in bit periods.
+* t0 denotes the "one way" line of sight propagation delay
+		  * between the MS and BTS 0, in "half bits".
+* t0 = measurement_report.otd * 2 / 2.
+*/
+rr_data->sc_data.observed_ta =
+( (rr_data->ms_data.measurement_report.ncells.time_alignmt[i1]
++ fn_offset* QUARTER_BITS_PER_FRAME)/2
++  rr_data->ms_data.measurement_report.otd ) % 2097152;
+}
+}
+}
+dedicated_req->ho_param.ho_nci = rr_data->ms_data.ho_type.nci;
+/*
+* Set the handover mode
+*/
+switch (rr_data->ms_data.ho_type.si)
+{
+case SYI_NON_SYNCH:
+/*
+* asynchronous handover
+*/
+dedicated_req->mod = MODE_ASYNC_HANDOVER;
+break;
+case SYI_NORM_SYNCH:
+/*
+* synchronous handover
+*/
+rr_data->sc_data.new_ta    = rr_data->ms_data.measurement_report.otd/2;
+att_set_tim_advance_info();
+dedicated_req->mod = MODE_SYNC_HANDOVER;
+break;
+case SYI_PRE_SYNCH:
+/*
+* pre-synchronized handover
+*/
+dedicated_req->mod = MODE_PRE_SYNC_HANDOVER;
+if (handov_cmd->v_time_advance)
+/*
+* if the handover command contains a new timing advance
+*/
+dedicated_req->tr_para.tav     = handov_cmd->time_advance.ta;
+else
+/*
+* else set the default value 1
+*/
+dedicated_req->tr_para.tav     = 1;
+rr_data->sc_data.new_ta = dedicated_req->tr_para.tav * 2;
+att_set_tim_advance_info();
+break;
+case SYI_PSEUDO_SYNCH:
+/*
+* pseudo-synchronized handover
+*/
+dedicated_req->mod = MODE_PSEUDO_SYNC_HANDOVER;
+dedicated_req->tr_para.tav     = handov_cmd->time_diff;
+rr_data->sc_data.new_ta        = dedicated_req->tr_para.tav;
+att_set_tim_advance_info();
+break;
+}
+/*
+* Set Channel Type
+*/
+dedicated_req->ch_type.ch    = handov_cmd->chan_desc_after.chan_type;
+dedicated_req->ch_type.tn    = handov_cmd->chan_desc_after.tn;
+dedicated_req->ch_type.tsc   = handov_cmd->chan_desc_after.tsc;
+dedicated_req->ch_type.h     = handov_cmd->chan_desc_after.hop;
+if (handov_cmd->chan_desc_after.hop EQ H_NO)
+dedicated_req->ch_type.arfcn = handov_cmd->chan_desc_after.arfcn;
+else
+{
+dedicated_req->ch_type.maio  = handov_cmd->chan_desc_after.maio;
+dedicated_req->ch_type.hsn   = handov_cmd->chan_desc_after.hsn;
+/* CSI-LLD section:4.1.1.11
+* This function Updates the black list with the MA list received
+* in the handover command
+*/
+cs_remove_BA_MA_from_black_list(rr_data->cs_data.region , hop_list_after);
+srv_create_list (hop_list_after, dedicated_req->ch_type.ma,
+MAX_MA_CHANNELS, TRUE, 0);
+}
+dedicated_req->bsic                 = rr_data->nc_data[CR_INDEX].bsic & 0x3F;
+dedicated_req->arfcn                = rr_data->nc_data[CR_INDEX].arfcn;
+dedicated_req->ho_param.ho_ref      = handov_cmd->handov_ref;
+dedicated_req->ho_param.ho_pow      = handov_cmd->pow_cmd_access.pow;
+dedicated_req->ho_param.ho_acc_type = handov_cmd->pow_cmd_access.atc;
+dedicated_req->tr_para.mode         = rr_data->cr_data.ch_mode;
+/*
+* Set multi-rate speech codec
+*/
+dedicated_req->amr_conf.nscb     = rr_data->cr_data.amr_conf.nscb;
+dedicated_req->amr_conf.icmi     = rr_data->cr_data.amr_conf.icmi;
+dedicated_req->amr_conf.st_mode  = rr_data->cr_data.amr_conf.st_mode;
+dedicated_req->amr_conf.acs      = rr_data->cr_data.amr_conf.set_amr;
+/*
+*  valid flag for the threshold and hystersis values. amr_conf.c_cod_prop
+*  defines the number of threshold and hystersis values.
+*/
+dedicated_req->amr_conf.v_cod_prop  = rr_data->cr_data.amr_conf.v_cod_prop;
+if(dedicated_req->amr_conf.v_cod_prop)
+{
+int i;
+dedicated_req->amr_conf.c_cod_prop = rr_data->cr_data.amr_conf.c_cod_prop;
+for(i=0; i<dedicated_req->amr_conf.c_cod_prop; i++)
+memcpy(&dedicated_req->amr_conf.cod_prop[i], &rr_data->cr_data.amr_conf.cod_prop[i], sizeof(T_cod_prop));
+}
+/*
+* Set Channel Type before starting time
+*/
+if (handov_cmd->v_chan_desc_before EQ FALSE)
+dedicated_req->ch_type2.ch   = NOT_PRESENT_8BIT;
+else
+{
+/* Implements RR Clone findings #22 */
+dat_dedicated_req_ch_type2(&dedicated_req->ch_type2, &handov_cmd->chan_desc_before,
+hop_list_before);
+}
+if (rr_data->cr_data.ciph_on)
+{
+/*
+* set cipher parameter
+*/
+dedicated_req->ciph.stat     = rr_data->cr_data.ciph_on;
+dedicated_req->ciph.algo     = rr_data->cr_data.algo;
+memcpy (dedicated_req->ciph.kc, rr_data->ms_data.kc, KC_STRING_SIZE);
+}
+/*
+* clear neighbourcell lists for the new cell.
+*/
+srv_clear_list (&rr_data->sc_data.cd.ncell_list);
+srv_clear_list (&rr_data->sc_data.five_ter_list);
+att_clean_buf (IND_ALL_DEDI_SI);
+rr_data->sc_data.cd.sys_info_read &= ~ALL_DEDI_SYS_INFOS;
+SET_STATE (STATE_DAT, DAT_HANDOVER);
+#if defined (REL99) && defined (TI_PS_FF_EMR)
+/*clear EMR parameters also, if present*/
+if (rr_data->sc_data.enh_para_status EQ ENH_PARA_DEDICATED )
+{
+/*discard the enhanced para that were related to BA(SACCH) before HO*/
+rr_data->sc_data.enh_para_status = ENH_PARA_INVALID_STATE;
+memset (rr_data->sc_data.rep_count, NOT_PRESENT_8BIT, MAX_NEIGHBOURCELLS);
+for_set_default_emr_data(&rr_data->sc_data.emr_data_current);
+/*Indicate to ALR that enhanced para are invalid*/
+attf_send_enh_para_to_alr(rr_data->sc_data.emr_data_current.rep_type,
+&rr_data->sc_data.emr_data_current.enh_para);
+}
+#endif
+RR_EM_GET_HOPPING_CHANNEL (dedicated_req->ch_type.ma, dedicated_req->ch_type2.ma,
+dedicated_req->start.v_start,dedicated_req->ch_type2.maio);
+EM_HANDOVER_CMD;
+#if defined FF_EOTD
+if ( rr_data->eotd_req_id NEQ NOT_PRESENT_16BIT )
+{
+PALLOC (rrlc_error_ind, RRLC_ERROR_IND);
+rrlc_error_ind->cause = LCS_HANDOVER;
+rr_data->eotd_req_id = NOT_PRESENT_16BIT;
+PSENDX (LC, rrlc_error_ind);
+}
+#endif /* FF_EOTD */
+/*
+* configure layer 1.
+*/
+PSENDX (PL, dedicated_req);
+}
+} /* else */
+} /* switch */
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : stop_rach_and_enter_idle   |
++--------------------------------------------------------------------+
+PURPOSE : Invalid frequency list received during Immediate Assignment
+procedure. The sending of Channel Request messages is
+stopped and Idle Mode entered.
+*/
+LOCAL void stop_rach_and_enter_idle(void)
+{
+PALLOC (mph_random_access_req, MPH_RANDOM_ACCESS_REQ);
+TRACE_ERROR ("invalid frequencies (Frequency Hopping)");
+TIMERSTOP (T3122);
+TIMERSTOP (T3126);
+/*
+*  Stop sending Random Burst
+*/
+memset (&mph_random_access_req->send_mode, 0, sizeof (T_send_mode));
+PSENDX (PL, mph_random_access_req);
+dat_send_release_ind (RRCS_INVALID_HOP_FREQ);
+/*SET_STATE (STATE_DAT, DAT_IDLE);
+att_build_idle_req (SC_INDEX, MODE_CELL_SELECTION);*/
+#ifdef GPRS
+att_start_cell_reselection_gprs (CELL_RESELECTION_RACH);
+#else
+att_start_cell_reselection (CELL_RESELECTION_RACH);
+#endif
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_imm_assign         |
++--------------------------------------------------------------------+
+PURPOSE : Reception of an immediate assignment message.
+*/
+GLOBAL void dat_for_imm_assign (T_MPH_UNITDATA_IND *mph_unitdata_ind,
+T_D_IMM_ASSIGN     *imm_assign)
+{
+GET_INSTANCE_DATA;
+T_SC_DATA *rrd = &rr_data->sc_data;
+T_start   start;
+UBYTE     mob_alloc [65];
+T_LIST    hop_list_bef;
+T_LIST    hop_list_after;
+UBYTE     maio;
+T_IA_REST ia_rest;
+UBYTE     index = 0;
+TRACE_FUNCTION ("dat_for_imm_assign()");
+switch (GET_STATE (STATE_DAT))
+{
+#ifdef GPRS
+case DAT_IDLE:
+TRACE_EVENT("check dl idle");
+dat_check_imm_assign_pch (mph_unitdata_ind, imm_assign);
+break;
+#endif
+case DAT_IMM_ASS:
+if (dat_check_error_flag (SEND_NO_RR_STATUS))
+{
+#ifdef GPRS
+TRACE_EVENT("check dl pa");
+if(GET_STATE(STATE_GPRS) EQ GPRS_PAM_BCCH AND
+dat_check_imm_assign_pch(mph_unitdata_ind, imm_assign))
+return;
+#endif
+if (dat_compare_request_ref (&imm_assign->req_ref, &index))
+{
+/*
+* the request reference in the immediate assignment
+* message matches to one of the last three channel
+* request messages.
+*/
+TRACE_EVENT("matched");
+/*
+* check the channel description
+*/
+if(imm_assign->v_chan_desc)
+for_check_channel_descr (&imm_assign->chan_desc);
+/* was channel description ok? */
+if(!dat_check_error_flag (SEND_NO_RR_STATUS))
+return;
+#ifdef GPRS
+if(dat_check_gprs_imm_ass (mph_unitdata_ind,
+imm_assign,
+index))
+return;
+#endif
+if (imm_assign->v_chan_desc)
+{
+if (imm_assign->chan_desc.hop AND
+imm_assign->mob_alloc.c_mac)
+{
+TRACE_EVENT ("create mob alloc (after st)");
+/*
+* if the message contains a mobile allocation
+* build a hopping list together with the cell
+* channel description of system information
+* type 1 message.
+*/
+att_bits_to_byte (mob_alloc,
+imm_assign->mob_alloc.c_mac,
+imm_assign->mob_alloc.mac);
+if( rrd->cd.v_cell_chan_desc EQ NO_CONTENT OR
+!srv_create_chan_mob_alloc (&rrd->cd.cell_chan_desc,
+&hop_list_after,
+mob_alloc))
+{
+stop_rach_and_enter_idle();
+return;
+}
+}
+else
+{
+/*
+* else clear the hopping list
+*/
+srv_clear_list (&hop_list_after);
+}
+}
+else
+{
+TRACE_EVENT("IMM ASS discarded: neither sent to GRR nor channel description found");
+return;  /* for non-packet access we need a channel description */
+}
+TRACE_EVENT("now get started");
+if (imm_assign->v_start_time)
+{
+/*
+* if the message contains a starting time,
+* store the starting time.
+*/
+start.v_start = TRUE;
+start.t1 = imm_assign->start_time.t1;
+start.t2 = imm_assign->start_time.t2;
+start.t3 = imm_assign->start_time.t3;
+}
+else
+{
+/*
+* clear the starting time.
+*/
+memset (&start, 0, sizeof (T_start));
+}
+/*
+* decode IA Rest Octet
+*/
+memset (&ia_rest, 0, sizeof (T_IA_REST));
+ia_rest.ia_p     =  imm_assign->ia_rest_oct.flag_2bit;
+ia_rest.ia_maio  =  imm_assign->ia_rest_oct.ia_freq_par.maio;
+ia_rest.c_ia_mac =  imm_assign->ia_rest_oct.ia_freq_par.c_mac;
+if (ia_rest.c_ia_mac > 9)
+ia_rest.c_ia_mac = 9;
+memcpy (ia_rest.ia_mac,
+&imm_assign->ia_rest_oct.ia_freq_par.mac,
+ia_rest.c_ia_mac);
+if (imm_assign->v_start_time AND
+imm_assign->chan_desc.hop AND
+ia_rest.ia_p EQ 2)
+{
+/*
+* calculate frequency list before starting time
+*/
+TRACE_EVENT("create mob alloc (before st)");
+maio = ia_rest.ia_maio;
+att_bits_to_byte (mob_alloc,
+ia_rest.c_ia_mac,
+ia_rest.ia_mac);
+if(rrd->cd.v_cell_chan_desc EQ NO_CONTENT OR
+!srv_create_chan_mob_alloc (&rrd->cd.cell_chan_desc,
+&hop_list_bef,
+mob_alloc))
+{
+stop_rach_and_enter_idle();
+return;
+}
+}
+else
+{
+maio = 0;
+srv_clear_list (&hop_list_bef);
+}
+/*
+* stop T3122 and T3126 if they are running.
+*/
+TIMERSTOP (T3122);
+TIMERSTOP (T3126);
+SET_STATE (STATE_DAT, DAT_IMM_ASS_1);
+/*
+* store channel description
+*/
+memcpy (&rrd->chan_desc, &imm_assign->chan_desc,
+sizeof (T_chan_desc));
+/*
+* the initial channel mode is always signalling only
+*/
+rrd->ch_mode   = MODE_SIG_ONLY;
+/*
+* set the timing advance
+*/
+rrd->new_ta    = imm_assign->time_advance.ta;
+att_set_tim_advance_info();
+dat_set_last_used_channel (&rrd->chan_desc);
+/*
+* configure layer 1
+*/
+dat_code_mph_imm_assign_req (&start,
+rr_data->nc_data[SC_INDEX].select_para.ms_txpwr_max_cch,
+maio,
+&hop_list_after,
+&hop_list_bef);
+}
+EM_IMMEDIATE_ASSIGNMENT;
+}
+break;
+default:
+break;
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_imm_assign_ext     |
++--------------------------------------------------------------------+
+PURPOSE : Reception of the immediate assignment extended message.
+*/
+GLOBAL void dat_for_imm_assign_ext (T_MPH_UNITDATA_IND *mph_unitdata_ind,
+T_D_IMM_ASSIGN_EXT *imm_assign_ext)
+{
+GET_INSTANCE_DATA;
+USHORT     i;
+T_start    start;
+UBYTE     mob_alloc [65];
+T_SC_DATA *rrd = &rr_data->sc_data;
+T_LIST     hop_list_after;
+T_LIST     hop_list_bef;
+UBYTE      index;
+T_chan_desc *p_chan_desc;
+TRACE_FUNCTION ("dat_for_imm_assign_ext()");
+switch (GET_STATE (STATE_DAT))
+{
+case DAT_IMM_ASS:
+if (dat_check_error_flag (SEND_NO_RR_STATUS))
+{
+/*
+* the message check in the formatter has passed
+*/
+for (i=0; i<2; i++)
+{
+/*
+* the immediate assignment extended message contains
+* two request references.
+*/
+if (dat_compare_request_ref ((i EQ 0)
+? &imm_assign_ext->req_ref
+: (T_req_ref *)&imm_assign_ext->req_ref_2,
+&index))
+{
+#ifdef GPRS
+dat_check_imm_ass_ext (mph_unitdata_ind,(UBYTE)(i+1));
+#endif
+/*
+* check channel description
+*/
+if(i EQ 0)
+p_chan_desc = &imm_assign_ext->chan_desc;
+else
+p_chan_desc = (T_chan_desc *)&imm_assign_ext->chan_desc_2;
+for_check_channel_descr (p_chan_desc);
+if (!dat_check_error_flag (SEND_NO_RR_STATUS))
+return;
+/*
+* the request reference in the immediate assignment
+* extended message matches to one of the last three
+* channel request messages.
+*/
+if (imm_assign_ext->mob_alloc.c_mac AND p_chan_desc->hop)
+{
+/*
+* if the message contains a mobile allocation and
+* the mobile shall hop
+* build a frequency hopping list together with
+* the cell channel description of system information
+* type 1 message.
+*/
+att_bits_to_byte (mob_alloc,
+imm_assign_ext->mob_alloc.c_mac,
+imm_assign_ext->mob_alloc.mac);
+if(rrd->cd.v_cell_chan_desc EQ NO_CONTENT OR
+! srv_create_chan_mob_alloc (&rr_data->sc_data.cd.cell_chan_desc,
+&hop_list_after,
+mob_alloc))
+{
+stop_rach_and_enter_idle();
+return;
+}
+}
+else
+{
+/*
+* else clear frequency hopping list
+*/
+srv_clear_list (&hop_list_after);
+}
+/*
+* stop T3122 and T3126 if they are running.
+*/
+TIMERSTOP (T3122);
+TIMERSTOP (T3126);
+/*
+* store channel description
+*/
+memcpy (&rrd->chan_desc,
+p_chan_desc,
+sizeof (T_chan_desc));
+/*
+* the initial channel mode is ever signalling only
+*/
+rrd->ch_mode      = MODE_SIG_ONLY;
+/*
+* store the new timing advance
+*/
+rrd->new_ta       = (i EQ 0)
+? imm_assign_ext->time_advance.ta
+: imm_assign_ext->time_advance_2.ta;
+att_set_tim_advance_info();
+dat_set_last_used_channel (&rrd->chan_desc);
+if (imm_assign_ext->v_start_time)
+{
+/*
+* copy starting time if available
+*/
+start.v_start = TRUE;
+start.t1 = imm_assign_ext->start_time.t1;
+start.t2 = imm_assign_ext->start_time.t2;
+start.t3 = imm_assign_ext->start_time.t3;
+}
+else
+memset (&start, 0, sizeof (T_start));
+srv_clear_list (&hop_list_bef);
+SET_STATE (STATE_DAT, DAT_IMM_ASS_1);
+/*
+* configure layer 1.
+*/
+dat_code_mph_imm_assign_req (&start,
+rr_data->nc_data[SC_INDEX].select_para.ms_txpwr_max_cch,
+0,
+&hop_list_after,
+&hop_list_bef);
+EM_IMMEDIATE_ASSIGNMENT_EXT;
+return;
+}
+}
+}
+break;
+default:
+break;
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_imm_assign_rej     |
++--------------------------------------------------------------------+
+PURPOSE : Reception of an immediate assignment reject message.
+*/
+GLOBAL void dat_for_imm_assign_rej (T_D_IMM_ASSIGN_REJ *imm_assign_rej)
+{
+GET_INSTANCE_DATA;
+UBYTE index;
+TRACE_FUNCTION ("dat_for_imm_assign_rej()");
+switch (GET_STATE (STATE_DAT))
+{
+case DAT_IMM_ASS:
+if (dat_check_error_flag (SEND_NO_RR_STATUS))
+{
+/*
+* the message has passed the checks in the formatter.
+*/
+if (! IS_TIMER_ACTIVE(T3122))
+{
+/*
+* Only if T3122 is not running, that means there is no
+* immediate assignment reject message taken in account
+* before.
+*/
+BOOL  result = FALSE;
+UBYTE t3122 = 0;
+if (dat_compare_request_ref (&imm_assign_rej->req_ref, &index))
+{
+/*
+* if the request reference matches to one of the last
+* three channel requests, set the result of TRUE and
+* store the timer value. This is checked for the up to
+* four request references in the message.
+*/
+result = TRUE;
+t3122  = imm_assign_rej->t3122;
+}
+else if (dat_compare_request_ref ((T_req_ref *)&imm_assign_rej->req_ref_2, &index))
+{
+result = TRUE;
+t3122  = imm_assign_rej->t3122_2;
+}
+else if (dat_compare_request_ref ((T_req_ref *)&imm_assign_rej->req_ref_3, &index))
+{
+result = TRUE;
+t3122  = imm_assign_rej->t3122_3;
+}
+else if (dat_compare_request_ref ((T_req_ref *)&imm_assign_rej->req_ref_4, &index))
+{
+result = TRUE;
+t3122  = imm_assign_rej->t3122_4;
+}
+if (result)
+{
+/*
+* a request reference has matched
+*/
+#ifdef GPRS
+if (dat_check_imm_ass_rej (t3122) EQ FALSE)
+#endif
+if (t3122 NEQ 0)
+{
+/*
+* start T3122 if a value is defined
+*/
+TIMERSTART (T3122, T3122_VALUE(t3122));
+}
+TRACE_EVENT("set rej_rec");
+rr_data->imm_ass_rej_rec = TRUE;
+rr_data->ms_data.all_conf_received = TRUE;
+/*
+* Start T3126 if the timer is not running yet.
+*/
+/* Implements Measure#32: Row 217,218 */
+(IS_TIMER_ACTIVE(T3126)) ?
+TRACE_TIMER ( "T3126 re-start") : TRACE_TIMER ( "T3126 start");
+if (! IS_TIMER_ACTIVE(T3126))
+{
+TIMERSTART (T3126, T3126_VALUE);
+/*
+*  Stop sending Random Burst
+*/
+{
+PALLOC (mph_random_access_req, MPH_RANDOM_ACCESS_REQ);
+memset (&mph_random_access_req->send_mode, 0, sizeof (T_send_mode));
+PSENDX (PL, mph_random_access_req);
+}
+}
+}
+EM_IMMEDIATE_ASSIGNMENT_REJECT;
+}
+}
+break;
+default:
+break;
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_ext_meas_order     |
++--------------------------------------------------------------------+
+PURPOSE : Reception of an extended measurement order message.
+*/
+GLOBAL void dat_for_ext_meas_order (T_D_EXT_MEAS_ORDER *ext_meas_order)
+{
+GET_INSTANCE_DATA;
+UBYTE       new_seq;
+T_LIST     *chan_list;
+PALLOC (mph_emo_req, MPH_EMO_REQ);
+TRACE_FUNCTION ("dat_for_ext_meas_order()");
+/*
+* Decode EMO: new_seq
+*/
+ccd_decodeByte (ext_meas_order->ext_meas_freq.b_ext_meas_freq,
+(USHORT)(ext_meas_order->ext_meas_freq.o_ext_meas_freq+3),
+1, &new_seq);
+/*
+* Ignore EMO if EMO proc already running and new SEQ EQ current SEQ.
+*/
+if ( rr_data->emo_arfcn NEQ NULL AND rr_data->emo_seq EQ new_seq )
+{
+PFREE ( mph_emo_req );
+return;
+}
+/*
+* Decode and store EMO frequency list
+*/
+if ( rr_data->emo_arfcn EQ NULL )
+{
+MALLOC ( rr_data->emo_arfcn, MAX_EMO_CHANNELS * sizeof (rr_data->emo_arfcn[0]) );
+}
+rr_data->emo_seq = new_seq;
+MALLOC ( chan_list, sizeof ( T_LIST ) );
+for_create_channel_list ( (T_f_range*) &ext_meas_order->ext_meas_freq, chan_list);
+/*
+* Function srv_create_list_dedicated ensures that the frequencies are sorted
+* and the number of frequencies are limited to 21 frequencies
+*/
+rr_data->c_emo_arfcn = srv_create_list (chan_list,
+rr_data->emo_arfcn,
+MAX_EMO_CHANNELS,
+FALSE,
+0);
+MFREE ( chan_list );
+memcpy ( &mph_emo_req->arfcn[0],
+&rr_data->emo_arfcn[0],
+rr_data->c_emo_arfcn * sizeof (rr_data->emo_arfcn[0]) );
+mph_emo_req->c_arfcn =
+srv_remove_frequencies_in_array_gen ( &mph_emo_req->arfcn[0], rr_data->c_emo_arfcn );
+/*
+* Create newBA_ID, save as currentBA_ID.
+*/
+rr_data->ba_id = RR_ALLOCATE_NEW_BA ( rr_data->ba_id );
+mph_emo_req->ba_id = rr_data->ba_id;
+/*
+* EMOtime = 10 seconds and request PL to perform extended measurement.
+*/
+TIMERSTART (TIM_EXT_MEAS, 10000);
+PSENDX (PL, mph_emo_req);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_mph_emo_meas_ind       |
++--------------------------------------------------------------------+
+PURPOSE : Measurement report for the Extended Measurment procedure
+has been received.
+*/
+GLOBAL void dat_mph_emo_meas_ind (T_MPH_EMO_MEAS_IND *mph_emo_meas_ind)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("att_mph_emo_meas_ind()");
+switch (GET_STATE (STATE_DAT))
+{
+case DAT_DEDICATED:
+if ( rr_data->emo_arfcn NEQ NULL AND mph_emo_meas_ind->ba_id EQ rr_data->ba_id )
+{
+dat_code_ext_meas_report (mph_emo_meas_ind);
+dat_emo_stop ( TRUE );
+}
+else
+{
+/*
+* Build an invalid measurement reports
+*/
+MCAST (meas, U_MEAS_REP);
+PALLOC_MSG (dl_unitdata_req, DL_UNITDATA_REQ, U_MEAS_REP);
+memset (&dl_unitdata_req->sdu.buf[0], 0, dl_unitdata_req->sdu.o_buf / BITS_PER_BYTE);
+memset (meas, 0, sizeof (T_U_MEAS_REP));
+meas->msg_type                = U_MEAS_REP;
+meas->meas_result.meas_valid = 1;
+for_dat_unitdata_req (dl_unitdata_req);
+}
+break;
+default:
+break;
+}
+PFREE (mph_emo_meas_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_emo_stop               |
++--------------------------------------------------------------------+
+PURPOSE : Stop the Extended Measurement Order procedure.
+*/
+GLOBAL void dat_emo_stop (BOOL send_ncell_req )
+{
+GET_INSTANCE_DATA;
+if ( rr_data->emo_arfcn NEQ NULL )
+{
+MFREE (rr_data->emo_arfcn);
+rr_data->emo_arfcn = NULL;
+/* restore the neighbour cell description which was used prior EMO */
+if ( send_ncell_req AND
+(rr_data->sc_data.cd.sys_info_read & (SYS_INFO_5_READ | SYS_INFO_5BIS_READ | SYS_INFO_5TER_READ) ) )
+att_code_mph_ncell_req_dedicated();
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_l3_data_ind        |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a layer 3 message for upper layers.
+*/
+GLOBAL void dat_for_l3_data_ind (T_DL_DATA_IND *dl_data_ind)
+{
+GET_INSTANCE_DATA;
+/* RR_DATA_IND is not the same as DL_DATA_IND anymore because of the new
+* member fn (frame number) of T_DL_DATA_IND which is not contained in
+* T_RR_DATA_IND.
+*/
+PALLOC_SDU(rr_data_ind, RR_DATA_IND, (USHORT)(dl_data_ind->sdu.l_buf+dl_data_ind->sdu.o_buf));
+TRACE_FUNCTION ("dat_for_l3_data_ind()");
+if (dl_data_ind->sapi EQ SAPI_3)
+{
+/*
+* if it is a SMS message, this is implicitly an
+* indication for an established SAPI 3 link
+*/
+SET_STATE (STATE_SAPI_3, SMS_ESTABLISHED);
+}
+rr_data_ind->sdu.l_buf = dl_data_ind->sdu.l_buf;
+rr_data_ind->sdu.o_buf = dl_data_ind->sdu.o_buf;
+memcpy(rr_data_ind->sdu.buf, dl_data_ind->sdu.buf,
+(dl_data_ind->sdu.l_buf+dl_data_ind->sdu.o_buf)>>3);
+PFREE (dl_data_ind);
+/*
+* forward the message to MM for distribution
+*/
+PSENDX (MM, rr_data_ind);
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_FOR                     |
+| STATE   : code                ROUTINE : dat_for_open_loop_cmd      |
++--------------------------------------------------------------------+
+PURPOSE : Reception of a TCH OPEN LOOP COMMAND message.
+*/
+GLOBAL void dat_for_open_loop_cmd (T_DL_DATA_IND *dl_data_ind)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION ("dat_for_open_loop_cmd()");
+if (dat_test_sim_available () OR !dat_check_sim_available () )
+{
+/*
+* only if a test SIM card is inserted
+*/
+if (rr_data->tch_loop_subch NEQ NOT_PRESENT_8BIT)
+{
+/*
+* A TCH Loop must be closed before, then
+* open in layer 1.
+*/
+PREUSE (dl_data_ind, loop_req, MPH_TCH_LOOP_REQ);
+loop_req->tch_loop = NOT_PRESENT_8BIT;
+PSENDX (PL, loop_req);
+if(rr_data->tch_loop_subch EQ TCH_LOOP_C)
+{
+/* only TCH_LOOP_C is acknowledged */
+PALLOC_SDU (data_req, DL_DATA_REQ, 3*BITS_PER_BYTE);
+/*
+* set channel type and SAPI for answer
+*/
+dat_code_prr_channel (&data_req->ch_type,
+&data_req->sapi,
+rr_data->sc_data.chan_desc.chan_type);
+	TRACE_EVENT_P1 ( "Value of tch_loop_subch %x", rr_data->tch_loop_subch);
+/*
+* do not use CCD for the response
+*/
+data_req->sdu.l_buf = 24;
+data_req->sdu.o_buf = ENCODE_OFFSET;
+/*lint -e415 -e416 Likely access of out-of-bounds pointer*/
+data_req->sdu.buf [0] = 0;
+data_req->sdu.buf [1] = 0;
+data_req->sdu.buf [2] = 0;
+data_req->sdu.buf [3] = 0x0F;   /* TI=0, PD = TST     */
+data_req->sdu.buf [4] = 0x06;   /* MT = Open Loop Cmd */
+data_req->sdu.buf [5] = 0x81;   /* IE acknowledge     */
+/*lint +e415 +e416 Likely access of out-of-bounds pointer*/
+TRACE_EVENT ("DL_DATA_REQ (RR message)");
+EM_TCH_LOOP_OPEN;
+PSENDX (DL, data_req);
+}
+/* tch loop "open" */
+rr_data->tch_loop_subch = NOT_PRESENT_8BIT;
+}
+else
+{
+PFREE (dl_data_ind);
+}
+}
+else
+{
+PFREE (dl_data_ind);
+}
+}
+#if defined FF_EOTD
+/*
++------------------------------------------------------------------------------
+| Function    : rr_applic_rx_init
++------------------------------------------------------------------------------
+| Description : Initialize the data structures related to
+|               Application Information Transfer
+|               Reference: 3GPP TS 04.18, 3.4.21.3
+|
+| Parameters  : The downlink (RX) part of the APDU structure.
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void rr_applic_rx_init ( T_APPLIC_RX *applic_rx)
+{
+applic_rx->state = SAI_NULL;
+if ( applic_rx->rrrrlp_data_ind NEQ NULL )
+{
+PFREE ( applic_rx->rrrrlp_data_ind )
+}
+applic_rx->rrrrlp_data_ind = NULL;
+#ifdef REL99
+/* Send RRLP procedure stop indication to MM*/
+{
+PALLOC (rr_rrlp_stop_ind, RR_RRLP_STOP_IND);
+PSENDX (MM, rr_rrlp_stop_ind);
+}
+#endif
+TIMERSTOP ( TAPDU );
+}
+/*
++------------------------------------------------------------------------------
+| Function    : rr_applic_rx_msg_store
++------------------------------------------------------------------------------
+| Description : Store the first segment of an APDU.
+|               Reference: 3GPP TS 04.18, 3.4.21.3.2
+|
+| Parameters  : The first part of the APDU.
+|
++------------------------------------------------------------------------------
+*/
+LOCAL void rr_applic_rx_msg_store ( T_B_APPLIC_INFO *b_applic_info )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX *applic_rx = &rr_data->applic_rx;
+T_apdu_data *apdu_data = &b_applic_info->apdu_data;
+UBYTE        size      = apdu_data->c_apdu_info;
+T_sdu       *sdu;
+PALLOC_SDU ( rrrrlp_data_ind, RRRRLP_DATA_IND, (USHORT)(size * BITS_PER_BYTE) );
+if ( applic_rx->rrrrlp_data_ind NEQ NULL )
+{
+TRACE_EVENT_P1 ( "APPLIC: non empty store message found", 0 );
+PFREE ( applic_rx->rrrrlp_data_ind );
+}
+applic_rx->rrrrlp_data_ind = rrrrlp_data_ind;
+sdu = &applic_rx->rrrrlp_data_ind->sdu;
+memcpy ( &sdu->buf[0], apdu_data->apdu_info, size );
+sdu->l_buf = size * BITS_PER_BYTE;
+sdu->o_buf = 0;
+}
+/*
++------------------------------------------------------------------------------
+| Function    : rr_applic_rx_msg_append
++------------------------------------------------------------------------------
+| Description : Append segments to the APDU.
+|               Reference: 3GPP TS 04.18, 3.4.21.3.2
+|
+| Parameters  : APDU segment to be appended.
+|
++------------------------------------------------------------------------------
+*/
+LOCAL int rr_applic_rx_msg_append ( T_B_APPLIC_INFO *b_applic_info )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX *applic_rx = &rr_data->applic_rx;
+T_apdu_data *apdu_data = &b_applic_info->apdu_data;
+T_sdu       *sdu       = &applic_rx->rrrrlp_data_ind->sdu;    /* current APDU */
+T_sdu       *sdu2;                                            /* new APDU */
+USHORT       size_cur  = (USHORT)(sdu->l_buf/BITS_PER_BYTE);  /* Current size of stored APDU */
+USHORT       size_inf  = (USHORT)apdu_data->c_apdu_info;      /* size of new APDU INFOrmation */
+USHORT       size_tot  = (USHORT)(size_cur + size_inf);       /* total APDU size after append */
+if ( size_tot <= MAX_APDU_SIZE*BITS_PER_BYTE ) /*lint !e648 !e650/ Overflow caused by alternative defines, not applicable to target*/
+{
+PALLOC_SDU ( rrrrlp_data_ind, RRRRLP_DATA_IND, (USHORT)(size_tot * BITS_PER_BYTE) );
+sdu2 = &rrrrlp_data_ind->sdu;
+memcpy ( &sdu2->buf[   0    ], &sdu->buf            [0], size_cur );
+memcpy ( &sdu2->buf[size_cur], &apdu_data->apdu_info[0], size_inf );
+sdu2->l_buf = (USHORT)(size_tot * BITS_PER_BYTE);
+sdu2->o_buf = 0;
+PFREE ( applic_rx->rrrrlp_data_ind );
+applic_rx->rrrrlp_data_ind = rrrrlp_data_ind;
+return TRUE;
+}
+else
+{
+return FALSE;
+}
+}
+/*
++------------------------------------------------------------------------------
+| Function    : rr_applic_rx_msg_send
++------------------------------------------------------------------------------
+| Description : Send the re-segmented APDU to RRRRLP.
+|               Reference: 3GPP TS 04.18, 3.4.21.3.2
+|
+| Parameters  : The C/R bit of the last APDU segment received.
+|
++------------------------------------------------------------------------------
+*/
+LOCAL void rr_applic_rx_msg_send ( UBYTE cr )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX       *applic_rx       = &rr_data->applic_rx;
+T_RRRRLP_DATA_IND *rrrrlp_data_ind = applic_rx->rrrrlp_data_ind;
+rrrrlp_data_ind->cr = cr;
+PSENDX ( RRLP, rrrrlp_data_ind );
+applic_rx->rrrrlp_data_ind = NULL;
+applic_rx->state = SAI_NULL;
+TIMERSTOP ( TAPDU );
+}
+/*
++------------------------------------------------------------------------------
+| Function    : dat_for_applic_info_rrlp_rx_null
++------------------------------------------------------------------------------
+| Description : Received the first segment of an APDU.
+|               Reference: 3GPP TS 04.18, 3.4.21.3.2
+|
+| Parameters  : b_applic_info: The first segment of an APDU.
+|               seg: the combinbed APDU control flags
+|
++------------------------------------------------------------------------------
+*/
+LOCAL void dat_for_applic_info_rrlp_rx_null ( T_B_APPLIC_INFO * b_applic_info, UBYTE seg )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX *applic_rx = &rr_data->applic_rx;
+TRACE_ASSERT ( applic_rx->rrrrlp_data_ind EQ NULL );
+switch ( seg )
+{
+case         FIRST_SEG | LAST_SEG    :
+/* Allowed, simple case. Forward segment and stay in state SAI_NULL */
+rr_applic_rx_msg_store ( b_applic_info );
+#ifdef REL99
+/* Send RRLP procedure start indication to MM*/
+{
+PALLOC (rr_rrlp_start_ind, RR_RRLP_START_IND);
+PSENDX (MM, rr_rrlp_start_ind);
+}
+#endif
+rr_applic_rx_msg_send ( b_applic_info->apdu_flags.c_r );
+break;
+case         FIRST_SEG | NOT_LAST_SEG:
+/* Allowed, standard case of APDU segmentation. */
+/* Check length of this segment -> L2 frame must be 251 bytes,
+otherwise protocol error as described in 3GPP 04.18, section 3.4.21.3.3 a) */
+if ( b_applic_info->apdu_data.c_apdu_info EQ APDU_FULL_L2_FRAME )
+{
+/* store this segment, start de-segmentation */
+rr_applic_rx_msg_store ( b_applic_info );
+TIMERSTART ( TAPDU, 2500 /* milli seconds */ ); /* 3GPP TS 04.18, 3.4.21.3.2 */
+applic_rx->state = SAI_SEGM;
+#ifdef REL99
+/* Send RRLP procedure start indication to MM*/
+{
+PALLOC (rr_rrlp_start_ind, RR_RRLP_START_IND);
+PSENDX (MM, rr_rrlp_start_ind);
+}
+#endif
+}
+else
+{
+/* Protocol error occured, remain in state SAI_NULL,
+discard segment (cf 3.4.21.3.3, last clause). */
+}
+break;
+case     NOT_FIRST_SEG | LAST_SEG    :
+case     NOT_FIRST_SEG | NOT_LAST_SEG:
+/* Not allowed. Protocol error as described in 3GPP 04.18, section 3.4.21.3.3 c),
+discard segment as described in last sentence of 3.4.21.3.3 */
+break;
+default:
+TRACE_EVENT_P1 ("unexpected 'default:' seg=%d", seg );
+break;
+}
+}
+/*
++------------------------------------------------------------------------------
+| Function    : dat_for_applic_info_rrlp_rx_segm
++------------------------------------------------------------------------------
+| Description : Received second and subsequent segments of an APDU.
+|               Reference: 3GPP TS 04.18, 3.4.21.3.2
+|
+| Parameters  : b_applic_info: A segment of an APDU.
+|               seg: the combinbed APDU control flags
+|
++------------------------------------------------------------------------------
+*/
+LOCAL void dat_for_applic_info_rrlp_rx_segm ( T_B_APPLIC_INFO * b_applic_info, UBYTE seg )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX *applic_rx = &rr_data->applic_rx;
+TRACE_ASSERT ( applic_rx->rrrrlp_data_ind NEQ NULL );
+switch ( seg )
+{
+case         FIRST_SEG | LAST_SEG    :
+case         FIRST_SEG | NOT_LAST_SEG:
+/* Abnormal case, refer to 3GPP TS 04.18, 3.4.21.3.3 b), clause 2 */
+/* Discard any partially reassembed APDU, enter state SAI_NULL */
+rr_applic_rx_init ( applic_rx );
+/* Now (re-)use the current segment, refer to 3GPP TS 04.18, 3.4.21.3.3:
+"...reprocess any received APDU or APDU segment that caused the error... " */
+dat_for_applic_info_rrlp_rx_null ( b_applic_info, seg );
+break;
+case     NOT_FIRST_SEG | LAST_SEG    :
+/* Normal case, end of re-segmentation, TAPDU stop,
+send the message to the application entity.
+Enter state SAI_NULL. */
+if ( rr_applic_rx_msg_append ( b_applic_info ) EQ FALSE )
+rr_applic_rx_init ( applic_rx );
+else
+rr_applic_rx_msg_send ( b_applic_info->apdu_flags.c_r );
+break;
+case     NOT_FIRST_SEG | NOT_LAST_SEG:
+/* Normal case, re-segmetation is still ongoing.
+If 'append' operation fails, then return to state SAI_NULL. */
+if ( rr_applic_rx_msg_append ( b_applic_info ) EQ FALSE )
+rr_applic_rx_init ( applic_rx );
+break;
+default:
+break;
+}
+}
+/*
++------------------------------------------------------------------------------
+| Function    : dat_for_applic_info_rrlp
++------------------------------------------------------------------------------
+| Description : Application Information Transfer (RX) for RRRLP
+|               Reference: 3GPP TS 04.18, 3.4.21.3
+|
+| Parameters  : b_applic_info: Segment of an APDU.
+|
++------------------------------------------------------------------------------
+*/
+LOCAL void dat_for_applic_info_rrlp ( T_B_APPLIC_INFO * b_applic_info )
+{
+GET_INSTANCE_DATA;
+T_APPLIC_RX *applic_rx = &rr_data->applic_rx;
+UBYTE seg = ((b_applic_info->apdu_flags.f_seg << 1) |
+(b_applic_info->apdu_flags.l_seg     )   ) & 0x03;
+switch ( applic_rx->state )
+{
+case SAI_NULL :
+dat_for_applic_info_rrlp_rx_null  ( b_applic_info, seg );
+break;
+case SAI_SEGM :
+dat_for_applic_info_rrlp_rx_segm  ( b_applic_info, seg );
+break;
+default:
+break;
+}
+}
+/*
++------------------------------------------------------------------------------
+| Function    : dat_for_applic_info
++------------------------------------------------------------------------------
+| Description : Main entry point for Application Information Transfer (RX)
+|               Reference: 3GPP TS 04.18, 3.4.21.3
+|
+| Parameters  : b_applic_info: Segment of an APDU.
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void dat_for_applic_info ( T_B_APPLIC_INFO * b_applic_info )
+{
+/*
+* handle RRLP, all other protocols are not supported
+*/
+if ( b_applic_info->apdu_id.protoc_ident EQ RRLP_LCS )
+{
+dat_for_applic_info_rrlp ( b_applic_info );
+}
+else
+{
+TRACE_EVENT_P1 ( "unsupported protocol %x", b_applic_info->apdu_id.protoc_ident );
+}
+}
+#endif /* FF_EOTD */
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_for_handover_mob_alloc        |
++--------------------------------------------------------------------+
+PURPOSE : This function generates a frequency hopping list for handover
+*/
+LOCAL BOOL dat_for_handover_mob_alloc(UBYTE  *mob_alloc,
+T_LIST  *hop_list_handover,
+T_VOID_STRUCT  *mob_alloc_handover,
+T_DL_DATA_IND  *dl_data_ind)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION("dat_for_handover_mob_alloc()");
+/*
+* the handover command contains a mobile allocation.
+* Convert the bitmap to a list of the 1-bits in the
+* bitmap for generating a frequency hopping list.
+*/
+att_bits_to_byte (mob_alloc,
+((T_mob_alloc *)mob_alloc_handover)->c_mac,
+((T_mob_alloc *)mob_alloc_handover)->mac);
+/*
+* Now create the frequency hopping list
+*/
+if(!srv_create_chan_mob_alloc (&rr_data->cr_data.cd.cell_chan_desc,
+hop_list_handover,
+mob_alloc))
+{
+dat_send_handov_fail_msg(RRC_FREQ_NOT_IMPL);
+RR_EM_SET_HANDOVER_FAIL_CAUSE(RRC_FREQ_NOT_IMPL);
+PFREE (dl_data_ind);
+return TRUE;
+}
+return FALSE;
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_cr_data_multirate_conf |
++--------------------------------------------------------------------+
+PURPOSE : This function extracts the multirate configuration and stores
+it in the rr_data.
+*/
+LOCAL void dat_cr_data_multirate_conf(U8 v_multirate_conf, T_multirate_conf  *multirate_conf)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION("dat_cr_data_multirate_conf()");
+if(rr_data->cr_data.ch_mode EQ CM_AMR)
+{
+if (v_multirate_conf)
+{
+/*
+*  store a new multi-rate speech codec if available.
+*/
+UBYTE i;
+rr_data->cr_data.amr_conf.mr_vers = multirate_conf->mr_vers;
+rr_data->cr_data.amr_conf.nscb    = multirate_conf->nscb;
+rr_data->cr_data.amr_conf.icmi    = multirate_conf->icmi;
+rr_data->cr_data.amr_conf.st_mode = multirate_conf->st_mode;
+rr_data->cr_data.amr_conf.set_amr = multirate_conf->set_amr;
+/*
+* valid flag for the threshold and hystersis values.
+* multirate_conf.c_cod_prop
+* defines the number of threshold and hystersis values.
+*/
+rr_data->cr_data.amr_conf.v_cod_prop = multirate_conf->v_cod_prop;
+if(rr_data->cr_data.amr_conf.v_cod_prop)
+{
+rr_data->cr_data.amr_conf.c_cod_prop   = multirate_conf->c_cod_prop;
+for (i=0; i< multirate_conf->c_cod_prop; i++)
+memcpy(&rr_data->cr_data.amr_conf.cod_prop[i], &multirate_conf->cod_prop[i], sizeof(T_cod_prop));
+} /* if(rr_data->cr_data.amr_conf.v_cod_prop) */
+} /* if (assign_cmd->v_multirate_conf) */
+} /* if (rr_data->cr_data.ch_mode EQ CM_AMR) */
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_class_chng_data_req    |
++--------------------------------------------------------------------+
+PURPOSE : This function forms a peer CLASSMARK CHANGE request
+*/
+GLOBAL void dat_class_chng_data_req(void)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION("dat_class_chng_data_req()");
+/*
+* The syntax check indicates no problems, then
+* process the message.
+*
+* The MS returns a classmark change message.
+*/
+{
+MCAST (class_chng, U_CLASS_CHNG);/* T_U_CLASS_CHNG */
+PALLOC_MSG (dl_data_req, DL_DATA_REQ, U_CLASS_CHNG);
+/*
+* set channel type and sapi
+*/
+dat_code_prr_channel (&dl_data_req->ch_type,
+&dl_data_req->sapi, rr_data->sc_data.chan_desc.chan_type);
+class_chng->msg_type                = U_CLASS_CHNG;
+class_chng->mob_class_2             = rr_data->ms_data.classmark2;
+class_chng->mob_class_2.rf_pow_cap  = att_get_power ();
+class_chng->mob_class_3             = rr_data->ms_data.classmark3;
+class_chng->v_mob_class_3           = rr_data->ms_data.classmark2.class3;
+for_dat_data_req (dl_data_req);
+}
+}
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : RR_DAT                     |
+| STATE   : code                ROUTINE : dat_dedicated_req_ch_type2 |
++--------------------------------------------------------------------+
+PURPOSE : This function extracts the channle type from the channel
+description IE .
+*/
+LOCAL void dat_dedicated_req_ch_type2(T_ch_type2 *ch_type2,  T_chan_desc_before  *chan_desc_before,
+T_LIST  *hop_list_before)
+{
+GET_INSTANCE_DATA;
+TRACE_FUNCTION("dat_dedicated_req_ch_type2()");
+ch_type2->ch   = chan_desc_before->chan_type;
+ch_type2->tn   = chan_desc_before->tn;
+ch_type2->tsc  = chan_desc_before->tsc;
+ch_type2->h    = chan_desc_before->hop;
+if(ch_type2->h EQ H_NO)
+ch_type2->arfcn = chan_desc_before->arfcn;
+else
+{
+ch_type2->maio  = chan_desc_before->maio;
+ch_type2->hsn   = chan_desc_before->hsn;
+/* CSI-LLD section:4.1.1.11
+* This function Updates the black list with the MA list received
+* in the assignment command
+*/
+cs_remove_BA_MA_from_black_list(rr_data->cs_data.region,hop_list_before);
+srv_create_list (hop_list_before, ch_type2->ma,
+MAX_MA_CHANNELS, TRUE, 0);
+}
+}
+#if defined (REL99) && defined (TI_PS_FF_EMR)
+/*
++------------------------------------------------------------------------------
+| Function    : dat_for_meas_inf
++------------------------------------------------------------------------------
+| Description : Processing of measurement information message is done in this function.
+|               All possible errors, if present, are detected and an error free MI-message
+|               instance is decoded and data base updated with the enhanced measurement parameters.
+| Parameters  : MI-message pointer
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL BOOL dat_for_meas_inf (T_D_MEAS_INF *p_mi)
+{
+GET_INSTANCE_DATA;
+T_rr_enh_para     *p_cur = &rr_data->sc_data.emr_data_current;
+T_rr_enh_para     *p_temp = &rr_data->sc_data.emr_data_temp;
+BOOL              send_enh_para = FALSE;
+T_gprs_rep_prio   *p_rep = NULL;
+T_gprs_bsic       *p_bl = NULL;
+#if defined (TI_PS_FF_RTD) AND defined (REL99)
+UBYTE             i,j;
+#endif /* #if defined (TI_PS_FF_RTD) AND defined (REL99) */
+/* Step 1: Check if we received right BA_IND */
+if( (rr_data->sc_data.ba_list_ded EQ TRUE) AND
+(p_mi->ba_ind NEQ rr_data->sc_data.ba_index ) )
+{
+rr_data->sc_data.ba_list_ded = FALSE;
+rr_data->sc_data.ba_index = p_mi->ba_ind ;
+srv_clear_list (&rr_data->sc_data.cd.ncell_list);
+#ifdef TI_PS_FF_REL4
+srv_clear_list (&rr_data->sc_data.cd.multiband_ncell_list);
+#else
+srv_clear_list (&rr_data->sc_data.five_ter_list);
+#endif
+att_clean_buf (IND_ALL_DEDI_SI);
+rr_data->sc_data.cd.sys_info_read &= ~ALL_DEDI_SYS_INFOS;
+TRACE_EVENT("Flushed off the entire dedicated mode BA-LIST as the BA-IND got changed");
+}
+/* Step 2: Check report type.
+IMPORTANT ASSUMPTION: We will not process the other parameters if report type is Normal*/
+if( p_mi->report_type NEQ ENHANCED_MEAS )
+{
+/*check whether there are enhanced parameters and BA list, already.
+If present then it means that report type is changing from
+Enhanced to Normal*/
+if ( p_cur->is_data_valid EQ TRUE  )
+{
+for_set_default_emr_data(p_cur);
+return TRUE; /*send enh para update to indicate change in report type*/
+}
+else
+return send_enh_para;
+}
+/* Step 3: Check if we already have enh_para in current or temp
+and if there is change in parameters  or continuation of reception*/
+if(p_temp->is_data_valid EQ FALSE )
+{
+/*This means we were not in the process of receiving. Check whether there
+is already information in current and if so, is there change in mp_change_mark*/
+if( (p_cur->is_data_valid EQ TRUE ) AND
+(p_cur->mp_change_mark EQ p_mi->mp_cm ) )
+{
+TRACE_EVENT("No change in Enhanced measurement parameters -ignore ");
+return send_enh_para;
+}
+/* This means there's either a change in MP change mark or receiving EMP for first time */
+/* Decode rest of the parameters*/
+p_temp->is_data_valid = TRUE;
+rr_data->sc_data.enh_para_status = ENH_PARA_INVALID_STATE;
+p_temp->enh_para.ncc_permitted = rr_data->sc_data.cd.ncc_permitted;
+}
+/*Note :If different values occur for the same parameter in different instances of a message,
+the instance with the highest index shall be used (sec.3.4.1.2.1, 4.18)*/
+if ( (p_mi->mi_idx > rr_data->sc_data.prev_highest_index ) OR
+(rr_data->sc_data.prev_highest_index EQ NOT_PRESENT_8BIT) )
+{
+p_temp->enh_para.rep_rate = p_mi->rep_rate;
+p_temp->enh_para.inv_bsic_enabled = p_mi->inv_bsic_rep;
+p_temp->mp_change_mark = p_mi->mp_cm;
+p_temp->msg_count = p_mi->mi_c;
+p_temp->rep_type = p_mi->report_type;
+if (p_mi->v_emp EQ TRUE ) /* This is updation of parameters other than BSIC list*/
+{
+dat_update_emr_rep_para(&p_mi->emp,&p_temp->enh_para);
+}
+rr_data->sc_data.prev_highest_index = p_mi->mi_idx;
+}
+#if defined (TI_PS_FF_RTD) AND defined (REL99)
+if(p_mi->v_rtdd)
+dat_update_rtd_data(p_mi,p_temp);
+#endif /* #if defined (TI_PS_FF_RTD) AND defined (REL99) */
+/*Get relevant parameters to pass to BSIC and report priority list handler*/
+if(p_mi->v_gprs_rep_prio EQ TRUE)
+p_rep = &p_mi->gprs_rep_prio;
+if( p_mi->v_gprs_bsic EQ TRUE)
+p_bl = &p_mi->gprs_bsic;
+if (for_dat_process_common_emr_data(p_rep,p_bl,p_mi->mi_idx,
+rr_data->sc_data.ba_list_ded) )
+{
+rr_data->sc_data.enh_para_status = ENH_PARA_DEDICATED;
+if ( rr_data->sc_data.ba_list_ded EQ TRUE)
+send_enh_para = TRUE;
+}
+#if defined (TI_PS_FF_RTD) AND defined (REL99)
+if(p_mi->v_rtdd)
+{
+/* reset the temporary storage to RTD value not available */
+for(j = 0;j < MAX_NR_OF_NCELL; j++ )
+{
+p_temp->enh_para.enh_cell_list[j].v_rtd = FALSE;
+for(i = 0;i < MAX_NUM_OF_RTD_VALUES; i++)
+p_temp->enh_para.enh_cell_list[j].rtd[i]= RTD_NOT_AVAILABLE;
+}/*for*/
+}/*if*/
+#endif /* #if defined (TI_PS_FF_RTD) AND defined (REL99) */
+return send_enh_para;
+}
+#endif
+#endif

FreeCalypso > hg > freecalypso-citrine

comparison g23m-gsm/rr/rr_dats.c @ 0:75a11d740a02