Added GSM network support.

[lcr.git] / interface.c

diff --git a/interface.c b/interface.c
index 28ad88c..613614a 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -342,6 +342,12 @@ static int inter_portname(struct interface *interface, char *filename, int line,
                                SPRINT(interface_error, "Error in %s (line %d): port '%s' already used above.\n", filename, line, value);
                                return(-1);
                        }
+                       /* check for use as GSM */
+                       if (ifport->gsm)
+                       {
+                               SPRINT(interface_error, "Error in %s (line %d): Interface already used for GSM.\n", filename, line);
+                               return(-1);
+                       }
                        ifport = ifport->next;
                }
                searchif = searchif->next;
@@ -943,6 +949,48 @@ static int inter_dialmax(struct interface *interface, char *filename, int line,
        ifport->dialmax = atoi(value);
        return(0);
 }
+static int inter_gsm(struct interface *interface, char *filename, int line, char *parameter, char *value)
+{
+#ifndef WITH_GSM
+       SPRINT(interface_error, "Error in %s (line %d): GSM not compiled in.\n", filename, line);
+       return(-1);
+#else
+       struct interface_port *ifport;
+       struct interface *searchif;
+
+       /* check gsm */
+       if (!gsm)
+       {
+               SPRINT(interface_error, "Error in %s (line %d): GSM is not activated.\n", filename, line);
+               return(-1);
+       }
+       searchif = interface_newlist;
+       while(searchif)
+       {
+               ifport = searchif->ifport;
+               while(ifport)
+               {
+                       if (ifport->gsm)
+                       {
+                               SPRINT(interface_error, "Error in %s (line %d): port '%s' already uses gsm\n", filename, line, value);
+                               return(-1);
+                       }
+                       ifport = ifport->next;
+               }
+               searchif = searchif->next;
+       }
+
+       /* set portname */
+       if (inter_portname(interface, filename, line, "portname", gsm->conf.interface_lcr))
+               return(-1);
+       /* goto end of chain again to set gsmflag*/
+       ifport = interface->ifport;
+       while(ifport->next)
+               ifport = ifport->next;
+       ifport->gsm = 1;
+       return(0);
+#endif
+}
 
 
 /*
@@ -1061,6 +1109,11 @@ struct interface_param interface_param[] = {
        {"dialmax", &inter_dialmax, "<digits>",
        "Limits the number of digits in setup/information message."},
 
+       {"gsm", &inter_gsm, "",
+       "Sets up GSM interface for using OpenBSC.\n"
+       "This interface must be a loopback interface. The second loopback interface\n"
+       "must be assigned to OpenBSC"},
+
        {NULL, NULL, NULL, NULL}
 };
 
@@ -1412,7 +1465,7 @@ void load_port(struct interface_port *ifport)
        struct mISDNport *mISDNport;
 
        /* open new port */
-       mISDNport = mISDNport_open(ifport->portnum, ifport->portname, ifport->ptp, ifport->nt, ifport->tespecial, ifport->l1hold, ifport->l2hold, ifport->interface);
+       mISDNport = mISDNport_open(ifport->portnum, ifport->portname, ifport->ptp, ifport->nt, ifport->tespecial, ifport->l1hold, ifport->l2hold, ifport->interface, ifport->gsm);
        if (mISDNport)
        {
                /* link port */