--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-aci/aci/cmh_dti.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,434 @@
+/*
++------------------------------------------------------------------------------
+|  File:       cmh_dti.c
++------------------------------------------------------------------------------
+|                 Copyright Condat AG 1999-2000, Berlin
+|                 All rights reserved.
+|
+|                 This file is confidential and a trade secret of Condat 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
+|                 Condat AG.
++------------------------------------------------------------------------------
+| Purpose:     This module provides the set functions related to the
+|                   DTI managment.
+| $Identity:$
++------------------------------------------------------------------------------
+*/
+
+#ifdef DTI
+
+#ifndef CMH_DTI_C
+#define CMH_DTI_C
+#endif
+
+#include "aci_all.h"
+/*==== INCLUDES ===================================================*/
+#include "dti.h"      /* functionality of the dti library */
+#include "aci_cmh.h"
+#ifdef GPRS
+#include "gaci_cmh.h"
+#endif
+#include "ati_cmd.h"
+#include "psa.h"
+#include "cmh.h"
+#include "cmh_dti.h"
+#include "dti_conn_mng.h"
+#include "dti_cntrl_mng.h"
+
+/*==== CONSTANTS ==================================================*/
+
+/*==== EXPORT =====================================================*/
+
+/*==== VARIABLES ==================================================*/
+
+/*==== FUNCTIONS ==================================================*/
+
+/*
+ * for the device names see "AT commands for Packet IO.doc"
+ * a device name has (almost) nothing to do with entity names defined in custom.h !
+ */
+LOCAL T_DTI_ENTITY_ID map_name_2_id (char *dev_name)
+{
+  if ((strcmp (dev_name,"UART")) EQ 0)
+  {
+    return (DTI_ENTITY_UART); 
+  }
+  else if ((strcmp (dev_name,"RIV")) EQ 0)
+  {
+    return (DTI_ENTITY_AAA); 
+  }
+  else if ((strcmp (dev_name,"PSI")) EQ 0)
+  {
+    return (DTI_ENTITY_PSI); 
+  }
+#ifdef GPRS
+  else if ((strcmp (dev_name,"PKTIO")) EQ 0)
+  {
+    return (DTI_ENTITY_PKTIO); 
+  }
+#endif
+  else
+  {
+    TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid device name %s", dev_name);
+    return (DTI_ENTITY_INVALID);
+  }
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GPRS (8441)            MODULE  : CMH_DTI                |
+| STATE   : finished               ROUTINE : sAT_PercentDATA        |
++-------------------------------------------------------------------+
+
+  PURPOSE : set data flow, means to split the data channel (destination)
+            from the AT cmd channel (source)
+*/
+GLOBAL T_ACI_RETURN sAT_PercentDATA (T_ACI_CMD_SRC  srcId,
+                                     UBYTE          redir_mode,  /* delete,once,permanent */
+                                     CHAR          *des_devname,
+                                     UBYTE          des_devno,
+                                     UBYTE          des_subno,
+                                     CHAR          *dev_cap,
+                                     CHAR          *src_devname,
+                                     UBYTE          src_devno,
+                                     UBYTE          src_subno,
+                                     UBYTE          pdp_cid)
+{
+  const CHAR         *del        = ",";
+        CHAR         *s          = NULL;
+        UBYTE         capability = 0x00; /* DTI_CPBLTY_NO */
+        BOOL          rv         = FALSE;
+  T_ACI_REDIR_MODE    mode       = (T_ACI_REDIR_MODE)redir_mode;
+  T_DTI_ENTITY_ID     des_dev_id = DTI_ENTITY_INVALID;
+  T_DTI_ENTITY_ID     src_dev_id = DTI_ENTITY_INVALID;
+
+/* for tracing of establishing of CMD channels for dual port version */
+#ifdef RMV_15_04_03
+  extern CHAR gob_tst_buf[];
+  sprintf(gob_tst_buf+strlen(gob_tst_buf), "spd ");
+#endif
+
+  TRACE_FUNCTION ("sAT_PercentDATA ()");
+
+  for (s = strtok(dev_cap, del); s; s = strtok(NULL, del))
+  {
+    if ((strcmp (s,"CMD")) EQ 0)
+    {
+      capability = capability | 0x01; /* DTI_CPBLTY_CMD */
+    }
+    else if ((strcmp (s,"PKT")) EQ 0)
+    {
+      capability = capability | 0x02; /* DTI_CPBLTY_PKT */
+    }
+    else if ((strcmp (s,"SER")) EQ 0)
+    {
+      capability = capability | 0x04; /* DTI_CPBLTY_SER */
+    }
+    else
+    {
+      TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid capability %s",s);
+      return (AT_FAIL);
+    }
+  }
+
+#ifdef GPRS
+  if (pdp_cid > PDP_CONTEXT_CID_MAX )
+  {
+     TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid cid %d", pdp_cid);
+     return (AT_FAIL);
+  }
+#else
+  if (pdp_cid > 0)
+  {
+     TRACE_EVENT_P1 ("sAT_PercentDATA(): for GSM cid must be 0, but is %d", pdp_cid);
+     return (AT_FAIL);
+  }
+#endif
+
+  if (mode > REDIR_ALWAYS)
+  {
+     TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid redirection mode %d", mode);
+     return (AT_FAIL);
+  }
+
+  des_dev_id = map_name_2_id (des_devname);
+
+  if ((des_dev_id NEQ DTI_ENTITY_UART)
+  AND (des_dev_id NEQ DTI_ENTITY_PSI)
+#ifdef GPRS
+  AND (des_dev_id NEQ DTI_ENTITY_PKTIO)
+#endif
+  AND (des_dev_id NEQ DTI_ENTITY_AAA)) 
+  {
+    TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid destination device name %s",des_devname);
+    return (AT_FAIL);
+  }
+
+  if (strlen (src_devname))
+  {
+    /*
+     * special case, where three different devices are involved
+     * a device with the srcId (has an AT cmd channel) 
+     * wants to redirect a second device (src_dev) to a third device (des_dev) at data transmission
+     */
+    src_dev_id = map_name_2_id (src_devname);
+
+    if ((src_dev_id NEQ DTI_ENTITY_INVALID) 
+    AND (src_dev_id EQ des_dev_id)
+    AND (src_devno  EQ des_devno)
+    AND (src_subno  EQ des_subno)) 
+    {
+      TRACE_EVENT_P1 ("sAT_PercentDATA(): non valid source device name %s",src_devname);
+      return (AT_FAIL);
+    }
+
+    rv = dti_cntrl_set_redirect_from_device ((UBYTE)mode,
+                                             des_dev_id,
+                                             des_devno,
+                                             des_subno,
+                                             src_dev_id,
+                                             src_devno,
+                                             src_subno,
+                                             capability,
+                                             pdp_cid);
+  }
+  else
+  {
+    /*
+     * device with the srcId (AT cmd channel) itself wants to be redirected for data transmission
+     */
+    rv = dti_cntrl_set_redirect_from_src ((UBYTE)srcId, 
+                                          (UBYTE)mode,
+                                          des_dev_id,
+                                          des_devno,
+                                          des_subno,
+                                          capability,
+                                          pdp_cid);
+  }
+
+
+  if (rv EQ TRUE)
+  {
+    return (AT_CMPL);
+  }
+  else
+  {
+    return (AT_FAIL);
+  }
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GPRS (8441)           MODULE  : CMH_DTI                 |
+| STATE   : finished              ROUTINE : dinf_assign             |
++-------------------------------------------------------------------+
+
+  PURPOSE : help function for qAT_PercentDATA
+
+*/
+LOCAL void percentDATA_assign (UBYTE* mode, 
+                               UBYTE  *cid,
+                               T_DINF_PARAM  *des_param, 
+                               T_DTI_CNTRL   *tmp_param)
+
+{
+  des_param->dev_id     = tmp_param->dev_id;
+  des_param->dev_no     = tmp_param->dev_no;
+  des_param->sub_no     = tmp_param->sub_no;
+  des_param->capability = tmp_param->redirect_info.info.capability;
+  des_param->driver_id  = tmp_param->driver_id;
+  des_param->dio_ctrl_id = tmp_param->dio_ctrl_id;
+  
+  *cid                  = tmp_param->redirect_info.info.cid;       
+  *mode                 = tmp_param->redirect_info.info.mode;     
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GPRS (8441)            MODULE  : CMH_DTI                |
+| STATE   : finished               ROUTINE : qAT_PercentDATA        |
++-------------------------------------------------------------------+
+
+  PURPOSE : query data flow
+
+*/
+GLOBAL T_ACI_RETURN qAT_PercentDATA (T_ACI_CMD_SRC  srcId, 
+                                     UBYTE         *mode, 
+                                     UBYTE         *cid,
+                                     T_DINF_PARAM  *des_param, 
+                                     T_DINF_PARAM  *src_param)
+{
+  static BOOL first_query = TRUE;
+
+  T_DTI_CNTRL tmp_param; /* the DTI Controller will put all neccessarly pieces of information in this structure */
+
+  TRACE_FUNCTION ("qAT_PercentDATA ()");
+
+  if (dti_cntrl_get_info_from_src_id ((UBYTE)srcId, &tmp_param))
+  {
+    /*
+     * at first save the parameter of the source, because we use tmp_param for the destination as well
+     */
+    src_param->dev_id = tmp_param.dev_id;
+    src_param->dev_no = tmp_param.dev_no;
+    src_param->sub_no = tmp_param.sub_no;
+
+    src_param-> driver_id = tmp_param. driver_id;
+    src_param-> dio_ctrl_id = tmp_param. dio_ctrl_id;
+
+    if (first_query)
+    {
+      if (tmp_param.redirect_info.info.direction  EQ DTI_DIRECTION_NOTPRESENT)
+      {
+        first_query = TRUE;                   /* reset for later new query                    */
+        des_param->dev_id = NOT_PRESENT_8BIT; /* to indicate no redirection at all            */
+        return (AT_FAIL);                     /* no error, but there is no redirection at all */
+      }
+      first_query = FALSE;
+      /*
+       * the very first query, start with redirection we got from dti_cntrl_get_info_from_src_id()
+       */
+      if (dti_cntrl_get_first_redirection ((UBYTE)srcId, tmp_param.redirect_info.info.capability, &tmp_param))
+      {
+        percentDATA_assign (mode, cid, des_param, &tmp_param);
+        return (AT_CMPL);
+      }
+    }
+    else
+    {
+      if (dti_cntrl_get_next_redirection  ((UBYTE)srcId, *cid, src_param->capability, &tmp_param))
+      {
+        percentDATA_assign (mode, cid, des_param, &tmp_param);
+        return (AT_CMPL);
+      }
+      else
+      {
+        first_query = TRUE;                      /* reset for later new query */
+        des_param->capability = DEV_CPBLTY_NONE; /* sentinel                  */
+        return (AT_FAIL);    /* no error, but there is no further redirection */
+      }
+    }
+  }
+  else  
+  {
+    TRACE_EVENT_P1("[ERR] sAT_PercentDINF(): no info to srcId %d !", srcId);
+    ACI_ERR_DESC (ACI_ERR_CLASS_Ext, EXT_ERR_Parameter);
+    return (AT_FAIL);
+  }
+  TRACE_EVENT_P1("[ERR] sAT_PercentDINF(): Unknown", srcId);
+  ACI_ERR_DESC (ACI_ERR_CLASS_Ext, EXT_ERR_Unknown);
+  return (AT_FAIL);
+  
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GPRS (8441)           MODULE  : CMH_DTI                 |
+| STATE   : finished              ROUTINE : dinf_assign             |
++-------------------------------------------------------------------+
+
+  PURPOSE : help function for sAT_PercentDINF
+
+*/
+LOCAL void dinf_assign (T_DINF_PARAM  *device_param, T_DTI_CNTRL *tmp_param)
+{
+  device_param->dev_id     = tmp_param->dev_id;
+  device_param->dev_no     = tmp_param->dev_no;
+  device_param->sub_no     = tmp_param->sub_no;
+  device_param->capability = tmp_param->capability;
+  device_param->cur_cap    = tmp_param->cur_cap;
+  device_param->src_id     = tmp_param->src_id;
+  device_param->driver_id  = tmp_param->driver_id;
+  device_param->dio_ctrl_id = tmp_param->dio_ctrl_id;
+}
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GPRS (8441)           MODULE  : CMH_DTI                 |
+| STATE   : finished              ROUTINE : sAT_PercentDINF         |
++-------------------------------------------------------------------+
+
+  PURPOSE : list all available data and ATI channels and their capabilities
+
+*/
+
+GLOBAL T_ACI_RETURN sAT_PercentDINF( T_ACI_CMD_SRC  srcId, /* UBYTE src_id passed by setatPercentDINF ! */
+                                     UBYTE           mode,
+                                     T_DINF_PARAM  *device_param)
+{
+  static BOOL first_device = TRUE;
+  T_DTI_CNTRL tmp_param;
+
+  TRACE_FUNCTION ("sAT_PercentDINF()");
+  
+  switch (mode)
+  {
+    case (SHOW_CURR_CHAN_INF):
+    {     
+      if (dti_cntrl_get_info_from_src_id ((UBYTE)srcId, &tmp_param))
+      {
+        dinf_assign (device_param, &tmp_param);
+        return (AT_CMPL);
+      }
+      else  
+      {
+        TRACE_EVENT_P1("[ERR] sAT_PercentDINF(): no info to srcId %d !", srcId);
+        break;
+      }
+    } 
+    case (SHOW_ALL_CHAN_INF):
+    {
+      if (first_device)
+      {
+        first_device = FALSE;
+
+        if (dti_cntrl_get_first_device (&tmp_param))
+        {
+          dinf_assign (device_param, &tmp_param);
+          return (AT_CMPL);
+        }
+        else
+        {
+          TRACE_EVENT("[ERR] sAT_PercentDINF(): there is no device listed at all, so watch dti_cntrl_list !");
+          break; 
+        }
+      }
+      else
+      {
+        if (dti_cntrl_get_next_device (&tmp_param))
+        {
+          dinf_assign (device_param, &tmp_param);
+          return (AT_CMPL); 
+        }
+        else
+        {
+          first_device = TRUE; /* important to reset for a later new AT%DINF */
+
+          device_param->capability = DEV_CPBLTY_NONE; /* this is the sentinel, that there are no further devices */
+          return (AT_FAIL); /* it is not an error, but the end of AT%DINF */
+        }
+      }
+    }
+    default:
+    {
+      TRACE_EVENT("[ERR] sAT_PercentDINF(): unknown mode");
+      break;
+    }
+  } 
+
+  ACI_ERR_DESC (ACI_ERR_CLASS_Ext, EXT_ERR_Parameter);
+  return (AT_FAIL);  
+}
+
+
+
+#endif /* DTI */
+
+/*==== EOF ========================================================*/